JP2004033150A - Agricultural working machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an agricultural working machine in which a line-drawing marker 80 of the agricultural working machine such as rice transplanter does not hinder turning of the agricultural working machine when the marker 80 is located at a non-line drawing position and mud attached to the top of the line-drawing marker 80 does not fall onto an operator which operates the agricultural working machine when the line-drawing marker 80 is located at the non-line drawing position. <P>SOLUTION: The agricultural working machine is equipped with a line-drawing marker 80 for drawing a line on a topsoil surface of a field, a means for attaching the line-drawing marker 80 to the top and driving the marker 80 to either one position of a line-drawing position extended to left and right both sides in an advancing direction of a traveling vehicle body 2 and a non-line drawing position folded above the machine and a means for driving the line-drawing marker 80 from the non-line drawing position (dotted line) to a housing position (chained line position) folding the marker 80 to left and right both sides in an advancing direction and a controller for operating selection of either one position of the line-drawing position, the non-line drawing position and the housing position of the marker 80 by these driving means in cooperation with action of turning of the traveling vehicle body 2 by a steering means 23. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an agricultural machine such as a rice transplanter provided with a device for controlling the attitude of a drawing marker.
[0002]
[Prior art]
An agricultural work machine such as a rice transplanter is provided with a drawing marker that draws a position on the topsoil surface where the left and right centers of the agricultural work machine pass in the next step when seedlings are reciprocated. This drawing marker is provided on the left and right sides of the agricultural work machine so as to be able to be switched between standing and descending. The drawing marker on the next stroke is lowered from the standing position so that the tip thereof is in contact with the topsoil surface. At the tip of, a line is drawn by scratching the topsoil surface. At the time when the agricultural work machine performs seedling planting work in the next process, if the machine body is advanced so that the left and right centers of the machine body pass through the trace, the seedling planting strips of each process are finished in parallel.
[0003]
In a riding rice transplanter in which a seedling planting part is vertically movable via a link mechanism on a traveling vehicle body, the best condition is to reduce the weight of the seedling planting part in order to improve seedling planting performance. However, in order to reduce the weight of the planting portion, a drawing marker is often provided on the side of the traveling vehicle body.
[0004]
[Problems to be solved by the invention]
When raising the drawing marker to a non-working position, that is, raising the tip of the drawing marker to the standing position, the tip of the drawing marker in the standing position may interfere with the ridge when the rice transplanter turns. In addition, mud on the tip of the drawing marker at the standing position may fall on the rice transplanter operator.
[0005]
Therefore, an object of the present invention is to provide a line drawing machine or the like which does not hinder the turning of the agricultural working machine when the drawing marker of the farm working machine is in the standing position (non-drawing position) and the drawing marker is in the standing position (non-drawing position). The purpose of this is to prevent the operator operating the agricultural working machine from falling down on the mud attached to the tip of the drawing marker at the time of the operation.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the present invention has adopted the following configuration.
That is, the invention described in claim 1 is an agricultural work machine in which the agricultural work unit 4 is mounted on the traveling vehicle body 2, a steering means 23 for turning the traveling vehicle body 2 to the left and right, and a traveling machine provided on the traveling vehicle body 2 for performing agricultural work. At the same time, one of a drawing marker 80 that draws on the surface of the field at the position where the aircraft passes in the next process, a drawing position where the drawing marker 80 is extended to the left and right sides in the traveling direction of the aircraft, and a non-drawing position where the aircraft is bent above the aircraft Means for driving the drawing marker 80 from the non-drawing position to a storage position where the drawing marker 80 is further bent toward the left and right sides in the traveling direction of the machine, and a drawing position, a non-drawing position, and An agricultural work machine provided with a control device 97 that operates any of the storage positions in conjunction with various operations of turning the traveling vehicle body 2 by the steering means 23. That.
[0007]
Therefore, according to the first aspect of the present invention, the drawing marker 80 is bent further from the non-drawing position toward both the left and right sides in the traveling direction of the machine and is stored in the storage position, so that the body of the drawing marker portion when the agricultural work machine is turned is turned. The protrusion to the outside can be eliminated, and it is possible to prevent the drawing marker 80 from interfering with the ridge while the agricultural work machine is turning.
[0008]
According to the second aspect of the present invention, the means for driving the drawing marker 80 to one of the drawing position and the non-drawing position and the means for driving the drawing marker 80 to the storage position where the drawing marker 80 is bent toward the left and right sides of the traveling vehicle body 2 are provided separately. An agricultural work machine according to claim 1.
[0009]
According to the second aspect of the present invention, in addition to the operation of the first aspect, after the drawing marker 80 is driven to the non-drawing position by the driving means, the drawing marker 80 is further driven by another driving means. The mud attached to the tip of the drawing marker 80 can be prevented from falling down on the operator operating the agricultural work machine by further bending the container to the storage positions on both the left and right sides. In addition, by placing the drawing marker 80 at the storage position, it does not hinder the operation of replenishing seedlings on the agricultural work machine.
[0010]
According to the third aspect of the present invention, in the agricultural working machine in which the agricultural work unit 4 is mounted on the traveling vehicle body 2, the steering means 23 for turning the traveling vehicle body 2 to the left and right and the machine body for performing agricultural work provided on the traveling vehicle body 2 are simultaneously moved. A delineation marker 80 for delineating the surface of the field at the position where the aircraft passes in the next step, a delineation position where the delineation marker 80 is extended to the left and right sides in the traveling direction of the aircraft, a non-delineation position where the aircraft is bent upward, and the non-delineation position Further, a means for driving to a storage position bent upward of the fuselage, and selection of any of a drawing position, a non-drawing position, and a storage position of the drawing marker 80 by the driving means, is performed by turning the traveling vehicle body 2 by the steering means 23. The agricultural work machine includes a control device 97 that operates in conjunction with various operations.
[0011]
According to the third aspect of the present invention, the drawing marker 80 is bent further upward from the non-drawing position to the upper part of the machine body to be in the storage position, so that the drawing marker portion does not protrude outward from the machine body during turning of the agricultural work machine. This makes it possible to prevent the drawing marker 80 from interfering with the ridge while the agricultural work machine is turning.
[0012]
【The invention's effect】
According to the invention described in claim 1 of the present invention, the agricultural working machine of the present invention is configured such that the drawing marker 80 is further bent toward the left and right sides in the traveling direction of the machine body from the non-drawing position and is placed in the storage position. The protrusion of the drawing marker portion to the outside of the machine body can be eliminated, the drawing marker 80 can be prevented from interfering with the ridge while the agricultural machine is turning, and the turning operability is improved as compared with the conventional art.
[0013]
According to the second aspect of the present invention, in addition to the effect of the first aspect, after the drawing marker 80 is driven to the non-drawing position by the driving means, the drawing marker 80 is further driven by another driving means. By folding the storage position on both the left and right sides of 2, the mud attached to the tip of the drawing marker 80 does not fall on the operator operating the agricultural work machine, and by placing the drawing marker 80 in the storage position, Since the operation of supplying seedlings to the agricultural working machine is not obstructed, the workability is improved as compared with the conventional agricultural working machine.
[0014]
According to the invention described in claim 3, the agricultural working machine of the present invention is configured such that the drawing marker 80 is further bent upward from the non-drawing position to the upper side of the machine body to be in the storage position, so that the drawing marker portion of the farm working machine is located outside the machine body. Can be prevented, the drawing marker 80 can be prevented from interfering with the ridge while the agricultural work machine is turning, and the turning operability is improved as compared with the conventional art.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, a rice transplanter, which is a preferred embodiment of the agricultural working machine of the present invention, will be described. However, the present invention can be applied to other agricultural working machines such as a fertilizer and a chemical sprayer.
[0016]
The rice transplanter 1 has an eight-row seedling planting section 4 mounted on the rear side of the riding traveling vehicle body 2 via a lifting link device 3 so as to be able to move up and down, and a fertilizer discharge port is provided on the seedling planting section 4 side. The main body of the fertilizer application device 5 is mounted on the rear part of the riding traveling vehicle body 2, and is configured as an eight-row riding fertilizing rice transplanter as a whole. In this specification, the traveling direction of the rice transplanter is referred to as the front-back direction, and the left-right direction toward the traveling direction is referred to as the left-right direction.
[0017]
The traveling vehicle body 2 has a transmission case 10 disposed at the front of the fuselage, and front wheels 12, 12 attached to front wheel axles projecting outward from front wheel final cases 11, 11 provided on the left and right sides thereof. I have. Further, right and left rear wheel gear cases 16 and 16 are supported by a front and rear rolling shaft 15 at the rear end of the main frame 14 extending rearward from the rear portion of the transmission case 10 so as to be freely rollable. The main rear wheels 17, 17 and the auxiliary rear wheels 18, 18 are attached to the rear axle projecting sideways.
[0018]
An engine 20 is mounted on the main frame 14, and a seat 22 is installed on an engine cover 21 that covers an upper part of the engine 20. In front of the seat 22, a steering wheel 23 for steering the front wheels 12, 12 is provided. An operation panel B provided with various warning lamps, various operation switches, and various display lamps is disposed below the handle 23. Around the seat 22 and the handle 23, various levers, pedals, a control box 25 in which a control device 97 described later is incorporated, and the like are provided. The main step 26 and the auxiliary steps 27 and 27 on the main frame 14 can be moved by an operator thereon. The rear portions of the main step 26 and the auxiliary steps 27, 27 are high so as not to interfere with the main rear wheels 17, 17 and the auxiliary rear wheels 18, 18. Also, footrests 28, 28 used when getting on and off the steps 27, 27 from the left and right sides of the machine body are attached to the steps 27, 27, respectively.
[0019]
The elevating link device 3 includes upper links 31, 31 and lower links 32, 32 rotatably attached to a link base 30 fixedly provided at the rear end of the main frame 14, and these upper and lower links 31, 32 are provided. A vertical link 33 is connected to a rear end of the vertical link 33. A connection shaft 34 fixed to the seedling planting portion side is rotatably inserted and connected to a bearing projecting rearward from the lower end of the vertical link 33. A piston rod of an elevating hydraulic cylinder 36 whose base is pivotally supported by a support member fixed to the main frame 14 is connected to a lower end of a swing arm 37 provided integrally with the upper link 31, and the elevating hydraulic cylinder 36 is expanded and contracted. When this is done, the elevating link device 3 moves up and down, and the seedling planting section 4 moves up and down with a substantially constant posture.
[0020]
As shown in FIG. 7, the seedling planting section 4 includes a transmission case 41a to which the power of the traveling vehicle body is transmitted via a planting transmission shaft 40 (FIG. 1), and four planting transmissions arranged in left and right parallel. , A connecting pipe 41c connecting the transmission case 41a and the planting transmission frame 41b,... Constitute a seedling planting frame 41, and a seedling mounting table is provided above the seedling planting frame 41. 42 are provided, and a total of eight sets of planting devices 43,... Are provided on the left and right sides of the rear end of each planting transmission frame 41b,.
[0021]
The seedling mounting table 42 includes a support rail 45 attached to the planting transmission frame 41b,... Via an attachment member 44, and a seedling table supporting frame 46 having a base fixed to the planting transmission frames 41b, 41b at both left and right ends. Are slidably supported on the left and right by rollers 47,... Mounted on the upper part thereof, and are reciprocated right and left by a lateral feed mechanism in the transmission case 41a. By this reciprocating movement, the seedlings located at the lowermost stage of the seedling mounting table 42 are supplied one by one to a seedling outlet 45a (see FIG. 2) formed in a seedling receiving frame integrated with the support rail 45. The planting devices 43,... Plant the seedlings supplied to the seedling outlets 45a,. When the seedling mounting table 42 has moved to the end of the left and right strokes and all the seedlings at the lowermost stage have been planted, the seedling feed belts 48,... Operate to transfer the seedlings on the table downward by one stage.
[0022]
The power input to the transmission case 41a is transmitted to the planting devices 43,... By the connecting pipes 41c,. In this transmission path, there are provided clutches 50,... For switching the operation and stop of the planting devices 43,. These clutches 50,... Are usually called “off-line clutches” because they are often operated “off” during work on the edge of a ridge. The on / off operation of the ridge clutches 50,... Is performed by the ridge clutch levers 51,.
[0023]
In the lower part of the seedling planting section 4, a total of four leveling floats of a center float 53, 53 and side floats 54, 54 are provided. When the airframe advances while the floats are in contact with the mud surface of the field, the floats slide while leveling the mud surface. Then, seedlings are planted on the site.
[0024]
The seedling planting part 4 is free to roll around the connection shaft 34. The vertical link 33 is provided with a rolling arm 61 rotatably around a rotation center shaft 60, and the rolling arm 61 and the seedling mounting frame 46 are connected by rolling springs 62, 62, It acts so that the seedling planting part 4 elastically returns to the left-right neutral position. Further, the seedling mounting table 42 and the rolling arm 61 are connected by balance springs 63, 63 so that the left and right balance of the seedling mounting table 42 is maintained even when the seedling mounting table 42 moves from the left and right center to the left and right. I have. At the lower part of the rolling arm 61, a sector gear 65 is formed, and a pinion 66 meshes with the sector gear. When the pinion 66 is rotated by the rolling motor 67, the rolling arm 61 rotates, and the right and left inclination of the seedling placement unit 4 is adjusted via the rolling springs 62, 62. Therefore, when the left or right wheel of the front wheel 12 or the rear wheels 17 and 18 of the passenger traveling vehicle body 2 moves up and down due to the unevenness of the plow, and the passenger traveling vehicle body 2 leans left and right, the lateral inclination angle of the vehicle body The right and left inclination sensor 95 (FIG. 1), which is a detecting means for detecting the rotation, drives the rolling motor 67 so that the seedling placement section 4 is automatically horizontal, and rotates the rolling arm 61. The seedling planting section 4 is always controlled to be kept horizontal.
[0025]
In addition, the left and right ends of the support rail 45 are configured to be folded upward while the left and right outer strips of the seedling mounting table 42 are folded upward. The width can be reduced.
[0026]
The fertilizer applicator 5 is provided with fertilizer tanks 70, 70 and a fertilizer feeder 71,... On the rear upper side of the traveling vehicle body 1, and a fertilizer guide 72 on the left and right sides of each of the floats 53, 53, 54, 54. , And the fertilizer feeding devices 71,... And the fertilizing guides 73,... Are connected by flexible fertilizing hoses 74, and the fertilizers in the fertilizer hoppers 70, 70 are provided by the fertilizer feeding devices 71,. A certain amount is fed into fertilizing hoses 74,..., And the fertilizer is conveyed to the fertilizing guides 73,... By the compressed air generated by the blower 75, and formed near the side of the seedling attachment strip by the groove forming tools 72,. Into the ditch for fertilization.
[0027]
On the left and right sides of the front of the traveling vehicle body 2, there are provided spare seedling mounts 77 in which seedling mounting portions 77 a are formed in multiple stages, and the operator has few seedlings remaining on the seedling mount 42 during the seedling planting operation. At this time, the seedlings placed on the spare seedling mounting table 77 are taken and supplied to the seedling mounting table 42.
[0028]
On both left and right sides of the traveling vehicle body 2, there are provided drawing markers 80, 80 for drawing on the topsoil surface a position where the left and right centers of the body pass in the next stroke. The marker 80 is supported by a support frame 29 supported by the front wheel final case 11 with a base portion of the marker frame 79 supported around a rotation shaft 79a in the front-rear direction, and a base portion of the marker arm 82 connected to a rotation shaft 81 in the vertical direction. The marker arm 82 is provided rotatably as a fulcrum, and a drawing action portion 83 is attached to the tip of the marker arm 82 so as to be freely bent. The marker arm 82 is horizontally arranged so that the tip of the drawing action portion 83 is grounded. The marker arm 82 can be turned to both the extended drawing position (operating position) and the later-described non-drawing position or the storage position where the marker arm 82 stands up (non-operating position).
[0029]
When the aircraft is advanced with the drawing markers 80, 80 lowered to the action position, the drawing action unit 83 scratches the topsoil surface and draws a line. In the next step, the aircraft is advanced while operating the handle 23 so that the trace of the line and the center mascot A visually match.
[0030]
As shown in FIG. 4 which is a side view and FIG. 5 which is a plan view of a drawing marker driving unit provided on the side surface of the body, the marker arm 82 is rotated by a rotation motor 84. The marker arm 82 is rotated between the operating position and the non-operating position via the marker operating wire 85.
[0031]
The operation configuration will be described in more detail. The tip of the inner wire 85a of the marker operation wire 85 is fixed to a groove of a reel 86 rotatably provided on the main frame 14. On the other hand, a transmission gear 87 for reduction is rotatably provided on the main frame 14, and the transmission gear 87 rotates integrally with a small-diameter gear 87a having a small number of teeth and a large-diameter gear 87b having a large number of teeth. It has a configuration. The gear 86a rotating integrally with the reel 86 meshes with the small-diameter gear 87a, and the large-diameter gear 87b meshes with the small-diameter output gear 84a attached to the output shaft of the rotation motor 84 and having a small number of teeth. The side of the inner wire 85a that cooperates with the marker arm 82 cooperates with the marker arm 82 via a tension spring 85b shown in FIG. The tension spring 85b functions as a buffer for absorbing excessive tension of the inner wire 85a.
[0032]
Therefore, by the forward / reverse rotation of the rotation motor 84, the reel 86 gradually winds or loosens the inner wire 85a, and the marker arm 82 is rotated between the operation position and the non-operation position.
[0033]
The rotation amount of the rotation motor 84 can be selected by using a motor capable of determining the output rotation amount of the motor, or by controlling an output signal from the control unit 97.
[0034]
At this time, the marker arm 82 normally stands up to the dotted line position (non-line drawing position) in FIG. 3 due to the pulling amount of the inner wire 85a, but when the combine turns, the pulling amount of the inner wire 85a is further increased. By raising the marker arm 82 to the one-dot chain line position (storage position) in FIG. 3, there is no possibility that the drawing marker 80 will hit the ridge or the like when the combine turns. In the case of a mechanical mechanism for moving the marker arm 82 up and down using the wire 85, the connection between the marker frame 79 and the support frame 29 of the machine is manually rotatable in the horizontal direction. When the base side of the marker frame 79 extending vertically in the horizontal direction is manually rotated horizontally rearward to store the marker frame 79 along the side of the body (see FIG. 1), the marker arm 82 also moves along the body. Can be stored.
[0035]
In this way, there is no possibility that the line drawing marker 80 will hit the ridge when the rice transplanter turns. Particularly, in the case of a large-sized riding rice transplanter, since the length of the drawing marker 80 is particularly long, the drawing marker 80 may interfere with obstacles such as ridges when the rice transplanter turns, but in the present embodiment, the drawing marker portion Can be eliminated, and interference with the ridges and the like can be eliminated.
[0036]
As shown in the side view of FIG. 8 and the plan view of FIG. 9, the driving of the drawing marker mechanism may be performed by an electric motor instead of the wire method shown in FIG.
In the configuration of the electric marker shown in FIGS. 8 and 9, the marker frame 79 can be folded in the support frame 29 so that the marker frame 79 can be manually stored horizontally along the side of the machine body around the connection portion with the support frame 29. A marker arm 82 is connected to the tip of the marker frame 79 so as to be freely bent by a marker motor 89.
[0037]
A bracket 88 is attached to a tip end of the marker frame 79, a marker motor 89 is provided on the bracket 88, and a pinion 90 attached to a rotation shaft of the motor 89 and a circular gear 91 provided at a base of the marker arm 82. Are engaged. By the rotation of the gear 91, the marker sensor 92 attached to the bracket 88 can detect the amount of rotation of the marker arm 82. When the marker arm 82 completes the movement to the horizontal position, which is the drawing position, the marker motor 92 While the rotation of 89 is stopped, the marker arm 82 can be erected, moved to the dotted line position (marker non-drawing position) or the dashed line position (marker storage position) in FIG. 8, and then stopped.
[0038]
The control of the amount of rotation of the marker arm 82 to the storage position of the marker arm 82 (the position indicated by the one-dot chain line) is shown in a side view (illustration of the bracket 88 and the marker motor 89 is omitted) of the tip end of the marker frame 79 in FIG. As described above, the detection can be performed using the marker storage sensor 93 including the pair of proximity sensors 93a and 93b provided at each end of the marker frame 79 and the marker arm 82, respectively. When the marker arm 82 is rotated to the storage position indicated by the dashed line, the pair of proximity sensors 93 comes to the closest position. At this time, the marker storage sensor 93 is turned on, and the rotation of the marker arm 82 to the marker storage position is performed. It can be seen that the movement was performed.
[0039]
The control of the rotation amount of the marker arm 82 to the marker drawing position or the marker storage position may be performed by using a motor capable of detecting the output rotation amount of the marker motor 89 or by controlling the output signal from the control unit 97. it can. Further, a control for moving the marker arm 82 to the marker storage position or the marker non-drawing position is performed by a program.
[0040]
Further, an electric circuit or the above-mentioned program control may be incorporated so that the vertical movement of the marker arm 82 is prohibited when the marker arm 82 is rotated to the storage position. When the marker arm 82 is rotated to the storage position, the vertical movement of the marker arm 82 is prohibited because the marker arm 82 inadvertently moves up and down at the storage position of the drawing marker 80, thereby causing the drawing marker 80 and the body to move. This is because there is a risk of being damaged.
[0041]
FIG. 11 shows the configuration of the drive control device for the drawing marker 80 as shown in FIGS. 8 and 9 above. The elevation position of the elevation link device 3 on which the steering sensor 94 and the seedling placement section 4 are mounted so as to be able to elevate. Detection of a marker arm 82 by a pair of left and right marker sensors 92R and 92L, and left and right marker arms by a pair of left and right marker storage sensors 93R and 93L (comprising a pair of proximity sensors 93a and 93b). The operation of the left and right marker motors 89R and 89L is controlled by the control device 97 upon detection of 82R and 82L.
[0042]
FIG. 12 shows an operation control flow of the drawing marker mechanism shown in FIGS. 8 and 9 when the aircraft turns right and left in the traveling direction.
After reading the detection values of the lifting link sensor 95, the pair of left and right marker sensors 92R and 92L, and the pair of left and right storage sensors 93R and 93L in step 1 shown in FIG. 12, the detection value of the steering sensor 94 in step 2 becomes, for example, When it is determined that the rice transplanter is turning left, a marker flag is set (S3), the left marker motor 89L is operated, and the left marker arm 82L is set to the non-drawing position (S4). At this time, the right marker motor 89R is immediately driven to store the right drawing marker 80 in the storage position (S5). Next, when the lifting link sensor 95 detects in step 9 that the lifting link device 3 is at the raised position, the process returns to step 1 again, and reading of each sensor value is performed again.
[0043]
Thereafter, when the rice transplanter has finished turning and is proceeding straight, when the steering sensor 94 detects neutrality in step 2, the marker flag is in the "1" state, so that the right marker storage sensor 93R in step 13 is turned on / off. Detect the state. At this time, if the right marker storage sensor 93R is on, the process returns to step 1 again to read each sensor as it is because the right marker arm 82R is in the stored state. If the right marker storage sensor 93R is off in step 13, the right marker arm 82R is moved to the drawing position because the right marker arm 82R is not in the stored state.
[0044]
If the marker flag is not "1" in step 10, the on / off position of the left marker storage sensor 93L is detected in step 11. At this time, if the left marker storage sensor 93L is ON, the left marker arm 82L is at the storage position, and therefore, the process returns to step 1 again to read each sensor. If the left marker storage sensor 93L is off in step 11, the left marker arm 82L is set at the drawing position because the left marker arm 82L is not at the storage position.
[0045]
The rice transplanter according to the embodiment of the present invention includes a pair of left and right space marker sensors 98R and 98L (FIG. 2) for detecting the space marker 100 in a state where the space marker 100 is disposed at the horizontal position on the right and left sides of the body. It is located in. FIG. 13 shows a flow for controlling the marker motor of the drawing marker mechanism depending on whether the space marker 100 is detected by the space marker sensors 98R and 98L.
[0046]
That is, in the rice transplanter having the electric drawing marker 80 and the space marker 100, when the space marker 100 is tilted to the horizontal position, the drawing marker 80 is lowered to the opposite side of the space marker 100 with respect to the body traveling direction. However, a control mechanism for that will be described below.
[0047]
When the drawing marker 80 is first moved to the left or right horizontal position in the field, the drawing marker 80 often malfunctions such that the drawing marker 80 descends on the ridge side, but according to the flow shown in FIG. By linking the operation with the operation of the drawing marker 80, the malfunction can be avoided. The flow shown in FIG. 14 is a configuration obtained by adding a flow of interlocking control of the space marker 100 to the flow shown in FIG. FIG. 15 shows a flow of the interlocking control of the space marker 100.
[0048]
After reading the detection values of the lifting link sensor 95, the pair of left and right marker sensors 92R and 92L, the pair of left and right marker storage sensors 93R and 93L, and the pair of left and right space marker sensors 98R and 98L in step 1 shown in FIG. For example, when it is determined that the rice transplanter is turning right based on the detection value of the steering sensor 94, the marker flag is set to "0", the right marker motor 89R is operated, and the right marker arm 82R is set at the non-drawing position. At this time, the left marker motor 89L is immediately driven to store the left drawing marker 80 in the storage position.
[0049]
Then, when the space marker 100 is moved to the horizontal position on the right side of the body, the right space marker sensor 98R in the flow of FIG. 15 is activated. At this time, the marker flag is set to “0” and the up / down link sensor 95 of the flow in FIG. It returns to step 9 of detection. When the ascending / descending link device 3 is at the ascending position, the process returns to the step 1. However, when it is detected that the ascending / descending link device 3 is at the descending position, the process goes to the step 11 because the marker flag is not "1". By operating the left marker motor 97L, the drawing arm 80 is set to the drawing position. Thus, when both the space marker 100 and the drawing arm 80 are in the operating state, they are located on opposite sides of the body. If the left marker storage sensor 93L is turned on in step 11, the process returns to step 1.
[0050]
16 and 17 show a configuration of an electric marker according to another embodiment of the present invention. FIG. 16 is a side view of the drawing marker section, and FIG. 17 is a plan view of the drawing marker section. The configuration of the electric marker according to the embodiment shown in FIGS. 16 and 17 is different from the configuration of the electric marker shown in FIGS. 8 and 9 in that a pair of left and right marker storage sensors 93R and 93L is not provided, but a support frame 29 is provided. A pair of left and right storage motors 102R and 102L is attached to the connection between the and the marker frame 79. The storage motor 102 is provided on a bracket 103 mounted on the support frame 29, and a pinion 104 mounted on a rotation shaft of the motor 102 meshes with a circular gear 105 provided on the base of the marker frame 79. In addition, the operating positions of the marker frame 79 and the marker arm 82 are determined based on the output to the storage motor 102 based on the rotation amount of the gear 105 and the detection of the marker sensor 92, respectively, so that the marker arm 82 is moved to the non-lined position. Is performed by the marker motor 89, and the movement of the marker frame 79 to the storage position along the side of the body is performed by the storage motor 102.
[0051]
In addition, the operation of the electric motor may be electrically stopped so that the drawing marker 80 cannot be moved up and down at the storage position of the drawing marker 80, and the program is controlled as in a flowchart described later.
[0052]
FIG. 18 shows a control system diagram of the drawing marker mechanism shown in FIGS. 16 and 17. The lifting link for detecting the lifting position of the lifting link device 3 in which the steering sensor 94 and the seedling placement part 4 are mounted so as to be movable up and down. The operation of the pair of left and right marker motors 89R and 89L and the pair of left and right storage motors 102R and 102L is controlled by the control device 97 by detecting the sensor 95 and the marker arm 82 of the pair of left and right marker sensors 92R and 92L.
[0053]
FIG. 19 shows an operation control flow of the drawing marker 80 as shown in FIGS. 16 and 17 when the vehicle turns right and left in the traveling direction of the aircraft.
After reading the detected values of the lifting link sensor 95 and the pair of left and right marker sensors 92R and 92L in step 1 shown in FIG. 19, it is determined from the detected values of the steering sensor 94 in step 2 that, for example, the rice transplanter is turning left. Then, the marker flag is set (S3), the left marker motor 89L is operated, and the left marker arm 82L is set at the non-drawing position (S4). At this time, the right storage motor 102R is immediately driven to store the right drawing marker 80R in the storage position (S25). Next, in step 9, when the lifting link device 3 detects that the lifting link device 3 is at the ascending position by the lifting link sensor 95, the process returns to step 1 of reading of each sensor value again. Thereafter, when the rice transplanter has finished turning and is proceeding straight, the steering sensor 94 is in the neutral position, so the left and right storage motors 102R and 102L in step 29 are set to the "extended" mode and the marker frame 79 is set to Extend horizontally to the side. At this time, since the seedling planting section 4 is descending, if the marker flag is set to 1 in step 10, the rice planting operation after the left turn is being performed. The arm 82 </ b> R is extended horizontally, and a line is drawn at the center of the next row of seedlings using the drawing marker 80. When the marker flag is not 1, that is, when the marker flag is 0, since the rice planting operation is performed after the right turn, the left marker motor 89L is operated to set the drawing marker 80 at the drawing position (S12). Draw a line in the center of the planting row of seedlings.
[0054]
In this way, the operation of storing the drawing marker 80 on the side of the machine body further in the left-right direction from the non-drawing position at which the marker arm 82 stands up is performed in conjunction with various operations of the rotation of the rice transplanter, so that it is possible to draw at the time of rotation of the rice transplanter. There is no risk that the marker 80 will hit the ridge, and it is easy to switch between the drawing operation position and the non-operation position of the drawing marker 80 during normal work such as when setting the drawing marker 80 at the drawing operation position or when manually operating the drawing marker. Can be done quickly. In addition, the drawing marker arm 79 can be stored at the position of the dashed line in FIG. 17 and the position of the dashed line in FIG.
[0055]
As shown in FIGS. 16 and 17, a driving device (such as a storage motor 102) of the marker frame 79 for storing the marker frame 79 portion of the drawing marker 80 at a position along the side of the machine body is used. Since the drive mechanism (marker motor 89, etc.) is a separate drive mechanism, the length of the marker arm 82 itself can be shortened, and the marker arm 82 is short when the drawing marker 80 is stored at a position along the side of the machine body. The moving speed of the drawing action portion 83 can be made slower than that of the conventional product, and the tip of the drawing marker 80 is located behind the operator in side view, so that the mud attached to the drawing action portion 83 falls on the pilot when the rice transplanter turns. Can be prevented.
[0056]
At the start of planting seedlings in the field, the ridge marker 100 provided in the front part of the vehicle body so as to be able to rotate and expand and contract is rotated sideways to extend it so that its tip comes into contact with the ridges. Then, the length is configured so that the distance between the ridge and the planted seedling is exactly eight lines. Further, in a state in which the center mascot A is standing up and contracted, the same body lateral position as the center mascot A is obtained, and the same action as the center mascot A can be performed. Therefore, the center mascot A may be abolished and the ridge marker 100 may be used as the center mascot.
[0057]
A mascot panel 101 is provided near the rear of the ridge marker 100 at the front of the vehicle body, and various display lamps (seedlings of the seedling mounting table) are provided on the rear surface where an operator sitting on the seat 22 can be seen similarly to the operation panel B described above. There is a seedling reduction lamp that indicates that the seedling has decreased, a marker lamp that indicates which of the left and right markers is in the action position, and a planting lamp that indicates whether the planting clutch is engaged. As described above, by separately providing various display lamps provided on the operation panel B on the mascot panel 101, the operation panel B can be made smaller. And workability is improved.
[0058]
Further, if the above-mentioned shrunk and raised ridge marker 100 is engaged with the mascot panel 101, the structure for maintaining the posture of the mascot panel 101 and the ridge marker 100 is simplified, which contributes to the weight reduction of the airframe, and The performance is improved, and a rice transplanter with good workability can be obtained.
[0059]
Here, description will be given based on actual rice transplanting work.
In order to perform rice transplanting in a paddy field as shown in FIG. 20, first, the user enters the field from the farm entrance ENT through the farm road RD and moves to the planting start position on the opposite side of the ridge A2. Then, as shown in FIG. 1, the seedlings are placed on the seedling mounting table 42, the granular fertilizer is put into the fertilizer tanks 70, 70, the engine 20 is started, the shift lever is set to the planting speed, and the automatic / manual changeover switch is set. If (not shown) is set to "automatic" and each unit is driven to advance the machine body, the seedling planting unit 4 is automatically controlled to the appropriate position in the up-down control and the left-right rolling control to perform the rice transplanting operation. At this time, the fertilizer 5 simultaneously applies the granular fertilizer to the field beside the seedling planting position. Then, the ridge marker 100 (refer to FIG. 6) is tilted to the right side and extended, and the body is advanced while tracing the ridge at the tip of the ridge marker 100, so that a one-stroke seedling planting interval is provided between the body and the ridge. Planting and running along A2. In the above-mentioned field, after planting and running until the tip of the fuselage coincides with the ridge A4 side (when the planting is stopped until the tip of the fuselage matches the ridge, planting is stopped. When the length of the body is configured to be the same as the interval), when the finger-up lever 93 is operated to “raise the seedling planting portion”, the drawn marker 80 which has been lowered rises to the inoperative position, The drive of the seedling planting section 4 and the fertilizer application device 5 is stopped, and the seedling planting section 4 moves upward. Then, when the operator operates the handle 23 to turn the machine body, raises and lowers the ridge marker 100, and operates the finger-up lever (not shown) to "lower the seedling planting part", the opposite side from the previous stroke is performed. Is lowered to the action position, and planting and fertilization are resumed.
[0060]
In this way, the planter travels reciprocatingly toward the ridge A1 side, and when the remaining one stroke is left between the ridge A1 and the ridge A1, the planting work is performed from the entrance ENT side toward the ridge A2 as shown in FIG. The headland is planted along the ridge A3, which is just one stroke apart, and then the first stroke that has been opened for one stroke is planted from the ridge A3 toward the ridge A4, and then the ridge A2 is planted. The headland is planted just one stroke away from the ridge A1 by the above-described planting work. Finally, the stroke left for one stroke between the ridge A1 and the ridge A1 is moved along the ridge A1 toward the entrance ENT. After planting and traveling, exit from the entrance ENT onto the farm road RD. According to the above, unplanted areas are not formed at the four corners of the field, and efficient rice planting can be performed.
[0061]
At the time of this planting operation, when one of the left and right wheels of the front wheel 12 or the rear wheels 17 and 18 of the passenger traveling vehicle body 2 moves up and down due to unevenness of the plow, and the passenger traveling vehicle body 2 inclines left and right, the vehicle body The right and left inclination angle is detected by the left and right inclination sensor 95, and the rolling motor 67 is driven so that the seedling placement part 4 is automatically horizontal, and the rolling arm 61 is rotated, so that the seedling placement part 4 is always turned. It is controlled to be kept horizontal. At this time, when the drive mechanism of the wire type drawing marker 80 is used, at the same time, the turning motor 84L is moved so that the drawing marker 80 at the operation position becomes horizontal according to the inclination detection angle of the vehicle body by the right and left inclination sensor 95. Alternatively, 84R is driven to control the marker arm 82 to be kept horizontal.
[Brief description of the drawings]
FIG. 1 is a side view of a rice transplanter according to an embodiment of the present invention.
FIG. 2 is a plan view of the rice transplanter of FIG.
FIG. 3 is a front view for explaining the operation of a drawing marker.
FIG. 4 is a side view of a drive unit of a drawing marker of the rice transplanter of FIG. 1;
FIG. 5 is a plan view of a drive unit of a drawing marker of the rice transplanter of FIG. 1;
FIG. 6 is a front view for explaining the operation of the row marker of the rice transplanter of FIG. 1;
FIG. 7 is a front view of a seedling planting section of the rice transplanter of FIG. 1;
FIG. 8 is a side view of a drawing marker portion of the rice transplanter of FIG. 1;
FIG. 9 is a plan view of a drawing marker portion of the rice transplanter of FIG. 1;
FIG. 10 is a side view of the tip of the drawing marker frame of the rice transplanter of FIG. 1;
FIG. 11 is a block diagram of the drawing marker control device of FIG. 8;
12 is an operation control flowchart of the drawing marker mechanism of FIG. 8;
FIG. 13 is a block diagram of a drawing marker control device of the rice transplanter of FIG. 1;
FIG. 14 is an operation control flowchart of the drawing marker mechanism of FIG. 13;
FIG. 15 is an operation control flow chart of the drawing marker mechanism of FIG. 13;
FIG. 16 is a side view of a drawing marker portion of the rice transplanter of FIG. 1;
FIG. 17 is a plan view of a drawing marker part of the rice transplanter of FIG. 1;
18 is a block diagram of the drawing marker control device of FIG.
19 is an operation control flowchart of the drawing marker mechanism of FIG. 16;
FIG. 20 is a diagram showing an operation sequence of planting seedlings of the rice transplanter of FIG. 1;
FIG. 21 is a diagram showing an operation sequence of planting seedlings of the rice transplanter of FIG. 1;
[Explanation of symbols]
1 Rice transplanter (agricultural work machine) 2 Running body
3 Elevating link device 4 Seedling planting department (farming work department)
5 Fertilizer application device 10 Mission case
11 Front wheel final case 12 Front wheel
14 Main frame 15 Rolling axis
16 Rear wheel gear case 17 Main rear wheel
18 Auxiliary rear wheel 20 Engine
21 Engine cover 22 Seat
23 Handle 25 Control box
26 Main Step 27 Auxiliary Step
28 Footrest 29 Support frame
30 link base 31 upper link
32 Lower link 33 Vertical link
34 Connecting shaft 36 Elevating hydraulic cylinder
37 Swing arm 40 Planting transmission shaft
41 Seedling planting frame 41a Transmission case
41b Planting transmission frame 41c Connecting pipe
42 Seedling table 43 Planting device
44 Mounting member 45 Support rail
45a Seedling outlet 46 Seedling support frame
47 roller 48 seedling feed belt
50 Row clutch 51 Row clutch lever
53 Center float 54 Side float
60 rotation center axis 61 rolling arm
62 Rolling spring 63 Balance spring
65 sector gear 66 pinion
67 Rolling motor 70 Fertilizer tank
71 Fertilizer feeder 72 Groove tool
73 Fertilizer application guide 74 Fertilizer application hose
75 Blower 77 Spare seedling stand
77a Seedling placement section 79 Marker frame
79a Rotating axis 80 Drawing marker
81 Rotation axis 82 Marker arm
83 wire drawing action part 84 rotation motor
84a output gear 85 marker actuation wire
85a Inner wire 85b Tension spring
86 reel 87 transmission gear
89 Marker motor 88 Bracket
90 Pinion 91 Gear
92 marker sensor 93 marker storage sensor
94 Steering sensor 95 Lift link sensor
97 Control device 98 Space marker sensor
100 space (row) marker 101 mascot panel
102 Marker storage motor 103 Bracket
104 pinion 105 gear
RD farm road ENT field entrance
A1, A2, A3, A4 Row
A center mascot B operation panel

Claims (3)

In a farm work machine in which the farm work unit 4 is mounted on the traveling vehicle body 2,
Steering means 23 for turning the traveling vehicle body 2 left and right,
A drawing marker 80 for drawing on the surface of the field at the position where the machine passes in the next step at the same time as the progress of the machine performing agricultural work provided on the traveling vehicle body 2;
Means for driving the drawing marker 80 to one of a drawing position extended to the left and right sides of the fuselage in the traveling direction and a non-drawing position bent upward of the fuselage;
Means for driving the drawing marker 80 from the non-drawing position to a storage position where the drawing marker 80 is further bent toward both the left and right sides in the traveling direction of the aircraft;
A control device 97 is provided for operating selection of any of a drawing position, a non-drawing position, and a storage position of the drawing marker 80 by the driving means in conjunction with various operations of turning of the traveling vehicle body 2 by the steering means 23. A farm work machine characterized by the above-mentioned. 2. A device for driving a drawing marker 80 to one of a drawing position and a non-drawing position and a driving device to a storage position where the marker is bent toward both left and right sides of the traveling vehicle body 2. The described agricultural work machine. In a farm work machine in which the farm work unit 4 is mounted on the traveling vehicle body 2,
Steering means 23 for turning the traveling vehicle body 2 left and right,
A drawing marker 80 for drawing on the surface of the field at the position where the machine passes in the next step at the same time as the progress of the machine performing agricultural work provided on the traveling vehicle body 2;
Means for driving the drawing marker 80 to a drawing position extended to the left and right sides in the traveling direction of the body, a non-drawing position bent upward from the body, and a storage position further bent above the body from the non-drawing position;
A control device 97 is provided for operating selection of any of a drawing position, a non-drawing position, and a storage position of the drawing marker 80 by the driving means in conjunction with various operations of turning of the traveling vehicle body 2 by the steering means 23. A farm work machine characterized by the above-mentioned.

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