JP2015139377A5 - - Google Patents

Description

Seedling transplanter

  The present invention relates to a seedling transplanter.

  The seedling transplanter described in Patent Document 1 includes a control device that performs increase / decrease control of the fertilizer application amount based on the detected fertilizer concentration, water depth, and water temperature of the farm field, and records the amount of fertilizer used from the start of work. Provided. The fertilizer supply amount of the fertilizer applicator can be calculated by detecting the number of rotations of the feed roll that receives the fertilizer from the storage hopper and feeds it by a set amount.

  Moreover, the seedling transplanter described in Patent Document 2 detects the energization amount in the vicinity of the fertilizer hose outlet, and when the energization amount exceeds a predetermined value, the fertilizer is clogged at the fertilizer hose outlet, and the fertilizer is supplied to the field. A fertilizer clogging sensor for detecting the absence is provided. When the fertilizer clogging sensor is in the detection state, the traveling is stopped and the operator is notified.

JP 2013-146219 A Japanese Patent No. 5051047

  However, since the data on the amount of fertilizer used recorded by the control device of Patent Document 1 is calculated based on the rotation speed of the feeding roll, if clogging occurs in some fertilizer hoses during fertilization work, There is a problem that a difference occurs between the amount used and the amount of fertilizer actually supplied to the field.

  Here, the seedling transplanter of Patent Document 1 can control the amount of fertilizer to perform the same work from the amount of fertilizer used recorded in the control device, but the recorded amount of fertilizer used is actual. If it is different from the amount of fertilizer used, there will be an excess or deficiency in the supply of fertilizer, and there is a problem that crop growth will be poor due to a shortage of fertilizer or excessive fertilizer.

  In the seedling transplanter described in Patent Document 2, even if it is found that the fertilizer is clogged and the fertilizer is not supplied to the field, which fertilization hose among the plurality of fertilization hoses is clogged. , It is necessary for the operator to check the outlet side of each fertilization hose, and there is a problem that the work efficiency is lowered.

  Therefore, it is a problem to be solved by the present invention to provide a seedling transplanter equipped with a transmission system that solves these problems.

The present invention has taken the following technical means to solve the above problems.
That is, the invention of claim 1 wherein, the temperature descending freely seedling planting apparatus to the vehicle body (2) and (4), with the seedling planting apparatus float grounded to 圃 scene at the bottom of (4) (55 ...) When, a fertilizing device for supplying fertilizers (5), a plurality of Sakumizo members (64, ...) forming a groove fertilizer input is Komu and the fertilizing device (5) from the Sakumizo member (64, ... a plurality of fertilizer guide members (62 for guiding the fertilizer on), and ...), the fertilizer guide member (62, ...) to the jam detection member (101 for detecting the clogging of manure, ...) in the seedling transplantation machine having a the fertilizing unit (5) includes a feeding member unwinding the fertilizer by Tokoro quantification (73, ...), the feed amount detecting member (102, ...) for detecting a fertilizer feeding amount of the feeding member (73 ...) and, the sensed fertilizer feed amount or et fertilization amount configured by providing the amount of fertilizer recording apparatus for recording (103), said packed A seedling transplanter which corrects the fertilizer amount data in the fertilizer amount recording device (103) with respect to the clogging line when the ball detection member (101 ) detects the clogging of the fertilizer It is.

According to the second aspect of the present invention, when the clogging detection member (101) is in a detection state, the discharge amount of the feed amount detection member (102) of the corresponding strip is accumulated in the fertilizer guide member (62). The seedling transplanter according to claim 1 , wherein the amount of fertilizer applied is calculated, and fertilizer amount data in the fertilizer amount recording device (103) is corrected .

According to a third aspect of the present invention, a speed detecting member (104) for detecting the traveling speed of the traveling vehicle body (2) is provided, and when the clogging detecting member (101) detects clogging of fertilizer, the speed detecting member ( 104) to calculate the movement amount of the vehicle body (2), to calculate the emissions of fertilizer feeding member (73) on the basis of the movement amount, the fertilization amount data of the fertilization recording apparatus (103) in The seedling transplanter according to claim 1, wherein correction is performed.

According to a fourth aspect of the present invention, there is provided a travel lever (14) for operating forward and backward movement of the travel vehicle body (2) , an operation detecting member (106) for detecting an operation of the travel lever (14), and the float. An elevation angle detection member (107) for detecting the angle of (55) is provided, and the seedling planting device (4) is moved up and down based on the detection value of the elevation angle detection member (107) while the traveling vehicle body (2) is traveling. An elevating mechanism is provided, and after the operation detection member (106) detects the forward operation of the travel lever (14) in the travel stop position, until a predetermined time elapses or until the travel vehicle body 2 moves by a predetermined distance. a seedling transplantation machine according to any one of claims 1 to 3, characterized in that does not operate the elevator interlocking mechanism.

According to a fifth aspect of the present invention, there is provided a travel lever (14) for operating forward and backward movement of the travel vehicle body (2), an operation detecting member (106) for detecting an operation of the travel lever (14), and the float. An elevation angle detection member (107) for detecting the angle of (55) is provided, and the seedling planting device (4) is moved up and down based on the detected value of the elevation angle detection member (107) while the traveling vehicle body (2) is traveling. A continuously variable transmission (23) that includes an ascending / descending interlocking mechanism and that changes the forward and backward travel and output of the traveling vehicle body (2), and the continuously variable transmission (23) has a detection amount of the operation detection member (106). An output servo actuator (108) that operates in conjunction with it, an output switching member (109) that is rotated by the output servo actuator (108), and a rotation detection member that detects the amount of rotation of the output switching member (109). 110) Provided, after the rotation detecting member (110) detects the amount of rotation in the forward direction by the forward operation of the traveling lever (14) at the stop position, a predetermined time has elapsed or a predetermined distance of the traveling vehicle body (2). The seedling transplanter according to any one of claims 1 to 3 , wherein the lift interlocking mechanism is not operated until the movement of .

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According to the invention of claim 1, wherein, when the clogged detection member (101) has detected the clogging of manure, corrects the fertilization amount data of fertilization recording apparatus (103) in respect Article clogging occurs By doing this, it is possible to accurately record the amount of fertilizer actually delivered from the fertilizer application device (5).

According to the invention of claim 2, in addition to the effect of the invention of claim 1, when the clogging detection member (101) detects clogging of fertilizer, the fertilizer guide member is determined from the discharge amount of the feed amount detection member (102). Since the amount of fertilizer accumulated in (62) can be calculated, the amount of fertilizer accumulated in the fertilizer guide member (62) due to clogging is deleted from the fertilizer amount data in the fertilizer amount recording device (103). Correction can be performed. Thereby, consistency with the total amount of the fertilizer actually sown in the field and the total amount of the fertilizer which is calculated from the fertilizer remaining amount of the fertilizer application device can be obtained, and the fertilization data can be recorded more accurately .

According to the invention of claim 3, in addition to the effect of the invention of claim 1, when the clogging detection member (101) detects clogging of fertilizer, the speed detection member (104) of the traveling vehicle body (2) Since the amount of discharge from the feeding member (73) based on the amount of movement of the traveling vehicle body (2) can be calculated, and the amount of fertilizer accumulated in the fertilizer guide member (62) can be calculated based on the amount of discharge, clogging Thus, it is possible to perform correction to delete the fertilizer amount accumulated in the fertilizer guide member (62) from the fertilizer amount data in the fertilizer amount recording device (103). Thereby, consistency with the total amount of the fertilizer actually sown in the field and the total amount of the fertilizer which is calculated from the fertilizer remaining amount of the fertilizer application device can be obtained, and the fertilization data can be recorded more accurately .
Further, since the speed of the traveling vehicle body (2) and the rotational speed of the feeding member (73) are linked, the fertilizer guide member (62) of the fertilizer guide member (62) is based on the speed detection member (104) of the traveling vehicle body (2). By determining that the amount that satisfies the inside has been reached, the accuracy of the calculated discharge amount can be increased, and the fertilization data can be recorded more accurately .

According to the fourth aspect of the present invention, after addition to the effect of the invention according to any one of claims 1 to 3, detects the forward operation of the travel lever at the travel stop position (14), The float (55) tilts down excessively due to the forward leaning posture at the start of traveling of the traveling vehicle body (2) by not operating the ascending / descending interlocking mechanism until a predetermined time has elapsed or until the traveling vehicle body (2) has moved a predetermined distance. Can be prevented. Thereby, the float (55) can prevent mud from being pushed out unnecessarily, and the float (55) can be prevented from being damaged by the load, and the seedling planted by the pushed mud can be prevented from being pushed down .

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According to the invention of claim 5, in addition to the effect of the invention of any one of claims 1 to 3 , the output switching member (109) of the continuously variable transmission (23) in the travel stop position is provided. ) By detecting the amount of rotation in the forward direction of the rotation detection member (110) and performing control that does not operate the ascending / descending interlocking mechanism until a predetermined time has elapsed or until the traveling vehicle body (2) has moved a predetermined distance. The float (55) provided in the seedling planting device (4) can be prevented from being inclined excessively downward by the forward leaning posture at the start of traveling of the traveling vehicle body (2) provided with the lift interlocking mechanism. Thereby, the float (55) can prevent mud from being pushed out unnecessarily, and the float (55) can be prevented from being damaged by the load, and the seedling planted by the pushed mud can be prevented from being pushed down .
Moreover, the position which restarts control of the raising / lowering interlocking | linkage mechanism of a seedling planting apparatus (4) can be matched with actual driving | running | working by detecting the start of driving | running | working based on the rotation amount of a rotation detection member (110). As a result, the planting depth of the seedlings is aligned, and the planting accuracy of the seedlings is improved .

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It is a right view of the seedling transplanter concerning 1st embodiment of this invention. It is a top view of the seedling transplanting machine of FIG. It is side surface sectional drawing of the fertilizer application apparatus of the seedling transplanter of FIG. It is a control block diagram of the seedling transplanter of FIG. It is a graph which shows the displacement of the vertical direction of the float of the conventional seedling transplanter. It is a control flowchart of the seedling transplanter of FIG. It is the elements on larger scale of the seedling planting apparatus of the seedling transplanter concerning 2nd embodiment. It is explanatory drawing of the rotor blade | wing of the seedling transplanter concerning 3rd embodiment.

  Embodiments specifically configured based on the above technical idea will be described below with reference to the drawings. The forward and backward directions and the left and right directions are based on the forward direction of the seedling transplanter.

  The seedling transplanting machine according to the first embodiment of the present invention is a traveling part composed of left and right front wheels 10 and 10 and left and right rear wheels 11 and 11, as shown in FIGS. Also, a transmission case 12 that includes a transmission that transmits transmission power integrally with the engine 20, left and right front wheel final cases 13 and 13 that transmit and support the left and right front wheels 10 and 10, and left and right rear wheels 11 and 11 are supported and transmitted. A traveling vehicle body 2 is configured so as to be able to travel on the field by including transmission parts such as left and right rear wheel gear cases 18, 18, and the rear of the traveling vehicle body 2 is provided so as to be movable up and down by a lifting link mechanism 3, so And a seedling planting device 4 for performing the above.

  The power transmission path of the seedling transplanter is as follows. The engine 20 is mounted on the main frame 15, and the rotational power of the engine 20 is transmitted to the transmission case 12 via a belt transmission device 21 and a hydraulic continuously variable transmission 23. The rotational power transmitted to the mission case 12 is shifted by a transmission in the case 12 and then separated into traveling power and external power to be extracted.

  A part of the traveling power is transmitted to the front wheel final case 13 to drive the front wheels 10 and 10, and the rest is transmitted to the rear wheel gear case 18 to drive the rear wheels 11 and 11. The left and right front wheel final cases 13 and 13 transmit and support the left and right front wheels 10 and 10 on the side of the transmission case 12, and the left and right rear wheel gear cases 18 and 18 pivot the left and right rear wheels 11 on the left and right sides of the body. An axle to be worn is provided so as to protrude from the left and right sides of the machine body, and receives right and left shift power from the transmission case 12.

By operating the travel lever 14, the operator can continuously (steplessly) shift the hydraulic continuously variable transmission 23 from the 9th forward position through the neutral position to the 6th reverse position. By doing so, the “road form”, “neutral form”, and “planting form” can be changed by a known sub-transmission in the gear type transmission. Details of this part will be described later. The operation of the travel lever 14 is performed by an operation detection member 106 provided at the base of the travel lever 14 (see FIG. 4).
Is detected.

  Next, the external take-out power is transmitted to one of the planting clutch mechanisms inside the planting clutch case 25 provided at the rear portion of the traveling vehicle body 2, and then transmitted to the seedling planting device 4 by the planting transmission shaft 26. The fertilizer transmission mechanism 28 transmits the fertilizer to the fertilizer application device 5. This seedling planting device 4 includes a transmission case 50 that receives power from the planting transmission shaft 26 at the rear of the machine body, and an operator supplies seedlings to the seedling placement unit 51 and is arranged in parallel according to planting conditions. Planting the seedlings placed in the gutter 52 to the field. Note that the operator can cut off both the traveling power and the external extraction power by depressing the brake pedal.

The configuration of the seedling planting device 4 is as follows.
The seedling planting device 4 provided on the rear side of the traveling body 2 of the seedling transplanting machine shown in the present case has an eight-row planting structure. A seedling placement section that feeds the seedlings to the seedling take-out outlets 51a of each row and feeds the seedlings downward by a seedling feeding belt 51b, ... 51, a seedling implantation rod 52 for taking the seedlings supplied to the seedling outlet 51a,... And planting the seedlings in a farm field, a planting rotary shaft for rotating the seedling implantation rod 52, and the like. In the lower part of the seedling planting device 4, a plurality of floats 55 that are in contact with the farm scene are provided. This float has a structure in which a center float 55a is provided in the center, and middle floats 55c and 55c and side floats 55b and 55b are provided on both the left and right sides of the float. Each of the floats 55 slides while leveling the muddy surface, and seedlings are planted by the seedling planting rods 52,. Each float 55 is rotatably attached so that the front end side moves up and down according to the unevenness of the field surface soil, and the vertical movement of the front part of the center float 55a causes the angle of the center float 55a during planting work. The planting depth of the seedling is detected by the angle-of-attack detection member 107 (see FIG. 4) to be detected, and the seedling planting device 4 is moved up and down by switching the hydraulic valve that controls the lifting hydraulic cylinder 46 according to the detection result. Is always kept constant. In the seedling planting device 4, left and right side rotors 27a, 27a that are in contact with the field scene in front of the left and right side floats 55b, 55b and a field scene in front of the center float 55a, which is an example of a leveling device A leveling rotor device 27 composed of a center rotor 27b that is in contact with and leveling is attached. The seedling placement unit 51 is configured to slide in the left-right direction with the support roller 65a of the rectangular support frame 65 having a full width in the left-right direction and the up-down direction supporting the entire seedling planting device 4 as a rail. .

  The raising / lowering link mechanism 3 which raises / lowers the seedling planting apparatus 4 has a parallel link configuration, and includes one upper link 40 and a pair of left and right lower links 41, 41. The upper link 40 and the pair of lower links 41, 41 are pivotally attached to a rear-view portal-shaped rear frame 42 whose base side is erected at the rear end portion of the main frame 15, and a vertical link at the front end side thereof. 43 are connected. A connecting shaft 44 that is rotatably supported by the seedling planting device 4 is inserted into and connected to the lower end portion of the vertical link 43, and the seedling planting device 4 is connected so as to be able to roll around the connecting shaft 44. An elevating hydraulic cylinder 46 is provided between a support member fixed to the main frame 15 and a tip of a swing arm integrally formed with the upper link 40. The upper link 40 is expanded and contracted by hydraulically extending the cylinder 46. It rotates up and down and the seedling planting device 4 moves up and down with a substantially constant posture. In addition, the potentiometer which is a raising / lowering detection member is arrange | positioned between the rear frame 42, the upper link 40, and the lower links 41 and 41, and the raising or lowering of the seedling planting apparatus 4 is detected based on a change in angle. .

The configuration around the seedling transplanter operator is as follows.
The upper part of the engine 20 is covered with an engine cover 30, and a seat 31 is installed thereon. A front cover 32 incorporating various operation mechanisms is provided in front of the seat 31, and a steering panel 33 is provided on the upper surface thereof, and a handle 34 for steering the front wheels 10 is provided above it. The traveling lever 14 is provided on the right side of the handle 34, and the engine cover 30 provided with the auxiliary speed change operation member 16 on the left side and the lower left and right sides of the front cover 32 are formed as horizontal floor steps 35 to dispose a clutch pedal and the like. Has been. The floor step 35 is partly grid-like, and mud on the shoe of the worker walking through the step 35 falls on the field. The rear part on the floor step 35 is a rear step 36 that also serves as a rear wheel fender.

  The fertilizer application device 5 is provided at the rear upper part of the traveling vehicle body 2 and feeds the granular fertilizer stored in the fertilizer hopper 60 by a certain amount by the feeding unit 61, and the fertilizer is a fertilizer guide member 62, which is a rubber hose. The fertilizer guides attached to the left and right sides of the floats 55 are guided to the fertilizer grooves formed in the vicinity of the side portions of the seedling planting strips by the groove-growing members 64 provided on the front side of the fertilizer guides. It has become. The air generated by the blower 58 driven by the blower electric motor 53 is blown into the fertilizer guide members 62,... Via the air chamber 59 that is long in the left-right direction, and the fertilizer in the fertilizer guide members 62,. It is forcibly transported. In addition, the clogging detection member 101 (refer FIG. 4) which detects the clogging of a fertilizer is provided in the discharge port vicinity of the fertilizer guide member 62, respectively.

  On both the left and right sides of the front part of the traveling vehicle body 2, the left and right spare seedling platforms 38, 38 on which the seedlings for replenishment are placed can be pivoted to a position protruding sideways from the machine body and a position stored inside. The left and right preliminary seedling platforms 38 are supported by a support frame having a base side disposed below the floor step 35 of the traveling vehicle body 2.

  The structure of the feeding part 61 of the fertilizer applicator 5 is shown in FIG. FIG. 3 is a side cross-sectional view of the feeding unit 61 of the fertilizer application device 5 as viewed from the side. The feeding unit 61 includes a feeding member 73 that feeds the fertilizer in the fertilizer hopper 60 downward. The feeding member 73 is a rotating body having groove-shaped recesses 74 formed on the outer peripheral portion thereof, and is fitted so as to rotate integrally with a square shaft portion of a common feeding shaft 75 provided in the left-right direction. The shaft 75 is provided with a feed amount detecting member 102 (see FIG. 4) that detects the feed amount of the fertilizer based on the rotation speed of the feed shaft 75. When the feeding member 73 rotates in the direction of the arrow in FIG. 3, the fertilizer dropped and supplied from the fertilizer hopper 60 is accommodated in the concave portion 74 and fed downward. The fertilizer fed by the feeding member 73 is discharged from the discharge port 61a at the lower end.

  A feeding stop shutter 77 that protrudes above the feeding member 73 and prevents fertilizer from dropping from the fertilizer application hopper 60 to the feeding portion 61 is provided. The feeding stop shutter 77 is slidably supported by the slide support portion 79 of the feeding portion case 78, and is slid by grasping a handle 77a formed at the front end portion outside the case.

  Further, a fertilizer discharge port 83 for taking out the fertilizer in the fertilizer hopper is formed on the back surface portion of the feeding portion case 78. The fertilizer discharge port 83 is provided with a discharge shutter 84 that can be opened and closed with the upper end side as a fulcrum, and each fertilizer discharge port 83 is connected to a fertilizer recovery pipe provided behind the feeding portion 61.

  FIG. 4 shows a control block diagram of the seedling transplanter according to the present embodiment. The control device 100 of the seedling transplanter includes a clogging detection member 101 that detects clogging of fertilizers of a plurality of fertilizer guide members 62,..., And a plurality of fertilizer feed amounts detected by a plurality of feeding members 73,. , A speed detection member 104 for detecting the traveling speed of the traveling vehicle body, an operation detecting member 106 for detecting an operation of the traveling lever 14 for operating the traveling body 2 forward and backward, and a float 55 The fertilizer feed is received by receiving input signals from the elevation detection member 107 that detects the angle of the center float 55a, which is one, and the rotation detection member 110 that detects the rotation amount of the output switching member 109 of the continuously variable transmission 23. A fertilizer amount recording device 103 that records the fertilizer amount sown in the field from the amount is provided, and a plurality of fertilizer guide members 62,. , The output servo actuator 108 that operates in conjunction with the detection amount of the operation detection member 106, and the output switching member 109 that is rotated by the output servo actuator 108, and outputs the following signals: Take control. The clogging detection member 101 is an analog sensor, and whether or not fertilizer clogging has occurred is determined by whether or not the analog value from the sensor exceeds a certain threshold value. The speed detection member 106 is based on a pickup sensor or GPS.

  In the present embodiment, as the first control, when the control device 100 detects that the fertilizer guide member 62 is clogged with a signal from the clogging detection member 101 of the fertilizer guide member 62, the fertilizer application amount The fertilizer application amount data of the already applied fertilizer recorded in the recording device 103 is corrected with respect to the strip corresponding to the fertilizer guide member 62 in which clogging has occurred, as not fertilized. Specifically, the forward or return path of the seedling transplanter is defined as a predetermined fertilization section, and the fertilizer application amount data in the predetermined fertilization section is expressed as “fertilizer feed amount of the feeding member 73” × “article where no clogging has occurred. "Number" / "Number of fertilizers". However, such correction is performed for the travel amount in which clogging occurs during travel on the forward path or the like.

  When the controller 100 detects that the fertilizer is clogged by the signal from the clogging detection member 101, the fertilizer amount data in the fertilizer amount recording device 103 is corrected with respect to the clogging line, The amount of fertilizer actually delivered from the fertilizer application device 5 can be accurately recorded.

  The fertilizer amount data is set to “fertilizer feed amount of feed member 73” × “number of strips without clogging” / “number of fertilizer strips” by correction, so that fertilizer guide member 62 is clogged and not supplied to the field. The ratio of fertilizer to the total amount of fertilizer is clarified and can be recorded more accurately.

  In the present embodiment, as the second control, when the clogging detection member 101 detects clogging of fertilizer, the control device 100 calculates the discharge amount of the feed amount detection member 102, and the inside of the fertilizer guide member 62 is calculated based on this discharge amount. The fertilizer amount data in the fertilizer application amount recording device 103 is corrected based on the fertilizer amount after determining that the amount of the fertilizer is filled with fertilizer.

  The fertilizer amount data in the fertilizer amount recording device 103 includes a record of the fertilizer amount for each predetermined lane of the field and a fertilizer amount sowed for the entire field. This is the value used by the operator when applying fertilizer. And the total amount of this fertilization amount is computed from the data from the feeding member 73 and ... and the residual amount data of the fertilizer in the fertilizer hopper 60. FIG. By combining the consistency of these two data, the accuracy of the fertilization total amount data can be increased.

  The amount of discharge from the feed amount detection member 102 is calculated by a predetermined time after the clogging of the clogging detection member 101 is detected, and the rotation of the feed member 73 is linked to the speed of the traveling vehicle body 2. Therefore, there is a method of detecting the movement amount of the traveling vehicle body 2 by the speed detection member 104 of the traveling vehicle body 2 and calculating based on the movement amount.

  When the clogging detection member 101 detects clogging of fertilizer, the control device 100 calculates the discharge amount of the feed amount detection member 102 and determines that the amount of the fertilizer guide member 62 has been filled with fertilizer by this discharge amount. Then, by correcting the fertilizer amount data in the fertilizer amount recording device 103, it is possible to perform correction by deleting the fertilizer amount accumulated in the fertilizer guide member 62 due to clogging. Thereby, consistency with the total amount of the fertilizer actually sown in the field and the total amount of the fertilizer calculated from the fertilizer remaining amount of the fertilizer can be taken, and fertilization data can be recorded more accurately.

  Further, since the speed of the traveling vehicle body 2 and the rotational speed of the feeding member 73 are linked, it is determined that the amount that satisfies the inside of the fertilizer guide member 62 has been reached based on the speed detection member 104 of the traveling vehicle body 2. By doing so, the precision of the calculated discharge | emission amount can be improved and fertilization data can be recorded more correctly.

  In this embodiment, a plurality of notification members 105 corresponding to the clogging detection members 101 provided on the fertilizer guide members 62 are provided, and the detection values from these clogging detection members 101 are predetermined. When the value exceeds the value, the corresponding notification member 105,.

  Accordingly, the operator can grasp which fertilizer guide member 62 is clogged, and does not need to check all the fertilizer guide members 62 when removing the clogging, thereby improving work efficiency.

  In FIG. 5, the graph showing the displacement of the perpendicular direction of the float 55 of the conventional seedling transplanter is shown. The X axis of the graph represents time, and the unit is “second”. The Y axis represents the pulse value of the elevation angle detection sensor mounted on the center float 55a, and the unit is “number of pulses”. When the value in the Y direction is increased, the float 55 is lowered, and when the value in the Y direction is decreased, the float 55 is raised. The conventional seedling transplanting machine includes an ascending and descending interlocking mechanism that moves the seedling transplanting device 4 up and down based on the numerical value detected by the elevation angle detecting member 107 of the float 55 during traveling when the traveling vehicle body 2 is planted. When the seedling transplanter is advanced with the float 55 installed and the seedling transplanter stopped running, the traveling vehicle body 2 of the seedling transplanter assumes a forward leaning posture, so that the rear part of the traveling vehicle body 2 is lifted, The float 55 is lowered from the position when the float 55 is in a stopped state in an attempt to contact the field by the lift interlocking mechanism.

  In the present embodiment, as the third control, after a forward operation of the travel lever 14 at the travel stop position is detected by the travel detection member 106 that detects the operation of the travel lever 14, a predetermined time has elapsed, or the travel vehicle body 2. The lifting / lowering interlocking mechanism is not operated until the predetermined distance is moved. Alternatively, the continuously variable transmission 23 has an output servo actuator 108 that operates in conjunction with the detection amount of the operation detection member 106 of the travel lever 14, an output switching member 109 that rotates by the output servo actuator 108, and this output switching. A rotation detection member 110 that detects the rotation amount of the member 109, and the rotation detection member 110 detects a rotation amount in the forward direction by a forward operation of the traveling lever 14 at the stop position, and then a predetermined time has elapsed. Alternatively, the elevation interlock mechanism is not operated until the traveling vehicle body 2 is moved by a predetermined distance. Although the forward operation of the travel lever 14 or the detection of the rotation amount of the rotation detection member 110 is shown as the starting point of the control, the speed of the speed detection member 104 of the traveling vehicle body 2 can also be used as the starting point. The predetermined time is, for example, about 2 seconds, and the movement of the predetermined distance is about several meters. This time and distance can be changed according to the vehicle speed of the traveling vehicle body 2.

  FIG. 6 shows a control flowchart of the third control. In step 001 (hereinafter referred to as S001), it is confirmed that the lifting / lowering interlocking mechanism is operating. In S002, the elevation angle detecting member 107 determines whether or not the float 55 is grounded. If it is determined that the float 55 is grounded, the process proceeds to S003, and if it is determined that the float 55 is not grounded, the process proceeds to S103. When the operation detection member 106 detects a forward operation of the travel lever 14 in S003, the control device 100 sets the lifting / lowering interlocking mechanism to “OFF” (Shutdown state of the lifting / lowering interlocking mechanism is “ON”) in S004. Conversely, in a state where no forward operation is detected, the lifting / lowering interlocking mechanism is maintained in the “on” state. Then, in S005, when the traveling vehicle body 2 is moved by a predetermined distance while the lift interlock mechanism is “OFF”, the controller 100 is “ON” (the stop state of the lift interlock mechanism is “OFF”). . In S103, the lift interlock mechanism is set to “ON” (the stop state of the lift interlock mechanism is “OFF”), and the travel distance of the traveling vehicle body 2 recorded in the previous flow is reset.

  In FIG. 7, the elements on larger scale of the seedling planting apparatus 4 of the seedling transplanter concerning 2nd embodiment are shown. This partially enlarged view is a perspective view of the lower end of the seedling planting device 4 located at the rear part of the seedling transplanter from the left and right center of the seedling transplanter. The seedling transplanter according to the present embodiment is provided with a rotor cover 120 for preventing the splashed mud from the side rotor 27a from adhering to the seedling feeding belt 51b of the seedling placement unit 51, and the rotor cover 120 A motor cover 122 of the marker motor 121 is provided adjacently on the left extension line, and the adhesion of splashed mud is also prevented by the motor cover 122.

  FIG. 8 (a) is a front view of a rotor blade used in the seedling planting device 4 of the seedling transplanting machine according to the third embodiment, and FIG. 8 (b) is a plan sectional view on the SS plane. Show. The side rotor 27a and the center rotor 27b insert a plurality of resin rotor blades 123,... Into a square rotor shaft and rotate the rotor blades 123 together with the rotor shaft to level the field. FIG. 8A is a diagram when the rotor blades 123 are viewed from the axial direction. The rotor blade 123 according to the present embodiment is provided at a hub 124 having a square hole fitted to the rotor shaft, six ribs 125 radiating from the hub 124, and the outer peripheral tip of the rib 125. It is comprised from the action board 126 and ... which level the field surface. At the left and right end portions of the action board 126, a meshing portion 127 that meshes with the adjacent action board 126 is provided. By providing this meshing portion 127, even if the square hole of the hub 124 is worn, it can rotate with the adjacent rotor blades 123 and level the field uniformly. The engagement portion 127 of the action board 126 is provided every other position, that is, every 120 degrees. Further, the left-right length of the engagement portion 127 is 1/10 of the left-right length of the action board 126, and the circumferential length of the engagement portion 127 is three-thirds of the circumferential length of the action board 126. 2.

DESCRIPTION OF SYMBOLS 1 Seedling transplanter 2 Traveling vehicle body 4 Seedling planting device 5 Fertilizer 14 Traveling lever 23 Continuously variable transmission 55 Float 62 Fertilizer guide member 64 Grooving member 73 Feeding member 100 Control device 101 Clogging detecting member 102 Feeding amount detecting member 103 Fertilization Quantity recording device 104 Speed detection member 105 Notification member 106 Operation detection member 107 Elevation angle detection member 108 Output servo actuator 109 Output switching member 110 Rotation detection member

Claims (5)

And the vehicle body (2) temperature descending freely seedling planting device (4), the float (55 ...) for grounding the 圃 scene at the bottom of the seedling planting apparatus (4), fertilizing device for supplying fertilizers ( 5), a plurality of Sakumizo member (64 forming a groove fertilizer Komu been input, ...) and a plurality of fertilizer for guiding the fertilizer in the fertilizer apparatus (5) from the Sakumizo member (64, ...) guide members (62, ...) and, in the clogging detection member (101, ...) seedling transplantation machine having a detecting clogging of manure in the manure guide member (62, ...),
The fertilizing unit (5) includes a feeding member unwinding the fertilizer by Tokoro quantification (73, ...), the feed amount detecting member (102, ...) for detecting a fertilizer feeding amount of the feeding member (73 ...) and detection been fertilization recording apparatus for recording fertilizer feed amount or et fertilization amount (103) configured by providing a when said jam detecting member (101) has detected the clogging of manure, the amount of fertilizer recording apparatus (103) A seedling transplanter that corrects the amount of fertilizer applied to the clogged strip. When the clogging detection member (101) is in the detection state, the amount of fertilizer accumulated in the fertilizer guide member (62) is calculated from the discharge amount of the feed amount detection member (102) of the corresponding strip, and the fertilizer application The seedling transplanter according to claim 1, wherein fertilizer application amount data in the amount recording device (103) is corrected . A speed detection member (104) for detecting the traveling speed of the traveling vehicle body (2) is provided. When the clogging detection member (101) detects clogging of fertilizer, the speed detection member (104) detects the traveling vehicle body (2). It calculates the amount of movement, according to claim 1 which calculates the emissions fertilizer feeding member (73) on the basis of the movement amount, and correcting the amount of fertilizer data of the fertilization recording apparatus (103) in seedling transplanting machine according to. Elevation angle detection for detecting the angle of the travel lever (14) for operating the vehicle body (2) to move forward and backward, the operation detection member (106) for detecting the operation of the travel lever (14), and the float (55) A member (107) is provided, and includes an ascending and descending interlocking mechanism for raising and lowering the seedling planting device (4) based on the detected numerical value of the elevation angle detecting member (107) during traveling of the traveling vehicle body (2),
After the operation detection member (106) detects the forward operation of the travel lever (14) at the travel stop position, the elevating interlock mechanism is operated until a predetermined time elapses or until the travel vehicle body 2 moves a predetermined distance. seedling transplantation machine as set forth in any one of claims 1 to 3, characterized in that not operated. Elevation angle detection for detecting the angle of the travel lever (14) for operating the vehicle body (2) to move forward and backward, the operation detection member (106) for detecting the operation of the travel lever (14), and the float (55) A member (107) is provided, and an elevating interlocking mechanism for raising and lowering the seedling planting device (4) based on the detected value of the elevation angle detecting member (107) during the traveling of the traveling vehicle body (2) is provided. A continuously variable transmission (23) that changes the forward and backward movement and output of (2), and an output servo actuator (108) that operates in conjunction with the detection amount of the operation detection member (106) in the continuously variable transmission (23). ), An output switching member (109) that is rotated by the output servo actuator (108), and a rotation detection member (110) that detects the amount of rotation of the output switching member (109).
After the rotation detection member (110) detects the amount of rotation in the forward direction by the forward operation of the travel lever (14) at the stop position, a predetermined time has elapsed or the travel vehicle body (2) has moved a predetermined distance. The seedling transplanting machine according to any one of claims 1 to 3 , wherein the lifting / lowering interlocking mechanism is not actuated .