JP4562796B2 - Rice transplanter - Google Patents

Description

  The present invention relates to a structure of a rice transplanter in which a fertilizer is provided at the rear part of a traveling machine body and a seedling planting device is arranged behind the fertilizer.

  Conventionally, a fertilizer application machine has a fertilizer storage hopper, a feeding unit that feeds out the granular fertilizer from the fertilizer storage hopper, and the side of the planting strip of the seedling planting device by the compressed air from the blower. It was comprised by the supply pipe | tube supplied to (patent document 1 grade).

JP-A-9-266713

There are problems with conventional fertilizer applicators .

An object of this invention is to provide the rice transplanter which improved the conventional fertilizer application.

In order to achieve the above object, a rice transplanter according to the invention described in claim 1 stores fertilizer in a rice transplanter configured to take out residual fertilizer through a discharge guide tube from a fertilizer disposed on a traveling machine body. A plurality of storage cases, an introduction chamber for introducing fertilizer in the storage case, a residual fertilizer discharge port formed in the discharge guide tube, an open / close plug for opening and closing the residual fertilizer discharge port, A discharge cylinder for taking out the remaining fertilizer remaining in the storage case, and connecting one end side of the discharge cylinder to the residual fertilizer discharge port, and toward the left side or the right side of the traveling machine body The other end side of the discharge cylinder is extended, and the remaining fertilizer in the storage case is collected from the other end side of the discharge cylinder. The storage cases are connected in the width direction of the traveling machine body, and are flexible. The discharge tube Provided for each storage case, the lower end side of the plurality of discharge cylinders is distributed by bending left and right in the lateral direction of the traveling machine body, and the lower end side of each discharge cylinder is extended to the left and right sides of the traveling machine body The bottom plate portion for feeding the fertilizer below the introduction chamber is formed to be inclined in one direction, and the discharge guide tube is provided in a downwardly inclined manner on the inclined lower end side of the bottom plate portion for feeding the fertilizer. To do.

The rice transplanter of the invention concerning this application can improve workability .

It is a schematic side view of a rice transplanter. It is a schematic plan view of a rice transplanter. It is a schematic plan view of the support frame for supporting a fertilizer application. It is an arrangement rear view of a fertilizer applicator. It is a side view of the power transmission mechanism with respect to a fertilizer application. It is a back principal part sectional view of a power transmission mechanism to a fertilizer application. It is a sectional side view of a fertilizer applicator and a cover body. It is a component disassembled perspective view of a delivery part. It is a principal part expanded sectional view of a delivery part. It is explanatory drawing seen from the front of the traveling body which shows the cover body of the front side of a fertilizer storage hopper. It is a perspective view of a manure storage hopper and a cover body. It is the perspective view seen from the right side of the traveling body which shows the cover body of the front side of a manure storage hopper. It is a side view which shows the use condition of a rain cover.

  Next, an embodiment of the present invention will be described. FIG. 1 is a side view of a riding type rice transplanter, FIG. 4 is a rear view showing an arrangement state of a fertilizer application and a cover body, FIG. 7 is a side sectional view of a main portion of the fertilizer application apparatus, and FIG. FIG. 10 is a perspective view showing the state of arrangement of the fertilizer application and the cover body.

  The rice transplanter in the present embodiment is a 6-row planted type rice transplanter, and an engine 4 is mounted in a hood cover 3 at the front of a vehicle body frame 2 of the traveling machine body 1. The power of the engine 4 is transmitted to the rear transmission case 5, and then transmitted to the front wheels 7 via the front axle case 6 at the front of the vehicle body frame 2 and to the rear wheels 9 via the rear axle case 8 at the rear. Each is transmitted.

  A driver's seat 11 is provided on the upper surface of the vehicle body cover 10 that covers the upper surface of the vehicle body frame 2, and an operator sitting on the driver's seat 11 operates the round handle 12 erected from the rear end of the bonnet cover 3 to The front wheel 7 is steered.

  A seedling planting device 14 is connected to the rear end of the traveling machine body 1 through a parallel link mechanism 13 so as to be movable up and down. A seedling planting device 14 includes a central transmission case 17 that transmits power via a universal joint transmission shaft 16 from a PTO shaft 15 that projects from the rear end of the transmission case 5, and transmission shafts on both the left and right sides of the central transmission case 17. Left and right transmission cases 18, 18 connected at appropriate intervals via a connecting pipe (not shown), and a seedling table 19 that is forwardly inclined so that the upper end approaches the rear part of the traveling machine body 1, It consists of a float 20 or the like that is provided on the lower surface of each of the transmission cases 17, 18, 18 and slides on the mud surface of the farm field. The lower end of the seedling table 19 is supported on the lower rail 23 mounted between the upper surfaces of the three transmission cases 17, 18, 18, while being slidably supported by the roller at the upper end of the upright column 22. Left and right slidable placement To have.

  Further, rotary seedling planting mechanisms 24 that rotate up and down are arranged on the left and right sides of the rear part of each transmission case 17, 18, and 18, and the planting rod 26 in each seedling planting mechanism 24 is a seedling mount. While moving up and down between the lower end of 19 and the farm scene, the seedling mats of the seedling stand 19 are divided into one by one with planting claws at the tip of each planting rod 26 and planted in the field (FIG. 1 and FIG. 2).

  The seedling planting device 14 is configured to be lifted and lowered by a lifting hydraulic cylinder 25.

  Next, the configuration of the fertilizer application apparatus 30 will be described with reference to FIGS. 1 and 3 to 12. The present embodiment of the fertilizer application device 30 for six strips has a horizontally long fertilizer storage hopper 31 disposed in a rear portion of the traveling machine body 1 along a direction perpendicular to the traveling direction of the rice transplanter in plan view, and the fertilizer storage. Under the hopper 31, (six) feeding portions 32 that are connected to each portion corresponding to each seedling planting strip, a hose joint 33 that is connected to the lower end of each feeding portion 32, and the traveling machine body 1 Are arranged long along the horizontal width direction (perpendicular to the direction of travel) and connected to the front end of each hose joint 33 and connected to the rear end of each hose joint 33, The device 24 includes a flexible hose-like supply pipe 36 made of a soft synthetic resin that extends to the grooving devices 35 provided on the left and right sides of the three floats 20 in the device 24.

  A support frame frame for supporting the fertilizer application device 30 is fixedly connected to the rear end of the vehicle body frame 2 above the upper end of the rear wheel 9. That is, a pair of left and right front and rear connecting frames 37, 37 are connected to the rear end of the body frame 2 via a support frame 43 or the like, and the width direction of the traveling machine body straddles between the upper surfaces of the pair of connecting frames 37, 37. And a pair of front and rear upper and lower frames 40, 41 disposed above the support frame 38, 38 are provided so as to penetrate the support plates 38, 38 standing on the connection frames 37, 37 in the lateral direction. The left and right ends of the lower horizontal frame 39 and the pair of front and rear upper and lower frames 40 and 41 are welded and joined to auxiliary support plates 42 and 42 to form a support frame (FIGS. 3 and 5). The lower horizontal frame 39 and the rear upper horizontal frame 41 have an L-shaped cross section, and the front upper horizontal frame 40 has a circular pipe shape in cross section. Further, the flat step portion 27 on the rear side of the driver's seat 11 in the vehicle body cover 10 can be walked by an operator to supply fertilizer to the fertilizer storage hopper 31 or to clean up the spilled fertilizer as described later. It becomes a work place (scaffold).

  A turbo blower type blower 44 is connected to the base end of the air tank 34 (the right end in the traveling direction of the traveling machine body 1), and a lid piece (not shown) can be opened and closed at the tip of the air tank 34 (the right end in the traveling direction of the traveling machine body 1). Closed.

  The fertilizer storage hopper 31 connects storage cases 31a made of transparent synthetic resin for each line in a horizontal row, and adjacent storage cases communicate with each other at the recesses 31b on the upper end sides of the left and right sides. It is formed so that the amount of stored fertilizer can be leveled left and right. The upper end opening of the storage case 31a for the six strips is integrally covered with a horizontally long main lid 45 that can be opened and closed, and the main lid 45 has a storage case 31a for each strip. An auxiliary inlet 45a that opens upward is formed, and an auxiliary lid 46 is detachably attached to the auxiliary inlet 45a (see FIGS. 4, 7, 10, and 11). Thereby, when putting a large amount of fertilizer into the fertilizer storage hoppers 31 at the six strips, the main lid 45 may be opened and the entire upper surface of the fertilizer storage hopper 31 may be opened widely, and storage for each one strip is performed. When the fertilizer is replenished in the case 31a or when the main lid 45 is opened at the time of raining, there is an inconvenience that the fertilizer in the fertilizer storage hopper 31 gets wet due to rain, and the auxiliary lid 46 is opened for one line. You only need to run fertilizer every time. As shown in FIG. 11, an auxiliary inlet 45b that communicates with a portion corresponding to two or three strips is opened on the upper surface of the main lid 45, and an auxiliary lid 46a that closes the portion may be detachably provided. .

  As is clear from the above description and FIG. 11, the fertilizer application device 30 arranged at the rear part of the traveling machine body 1 provided with the seedling planting device 14 at the rear is located below the fertilizer storage hopper 31 that is long in the width direction of the traveling machine body 1. A feeding part 32 for feeding fertilizer for each planting part location of the seedling planting device 14 is configured to be provided at appropriate intervals in the width direction of the traveling machine body 1, and the upper end opening of the fertilizer storage hopper 31 is horizontally long The main lid 45 is covered with an openable and closable main lid 45. The main lid 45 is formed with auxiliary inlets 45a and 45b that open above the storage case 31a for every one or more pieces. Auxiliary lids 46 and 46a are detachably attached to 45a and 45b. Therefore, if the main lid 45 is opened when it rains, the fertilizer in the fertilizer storage hopper 31 may get wet due to rain and absorb water, so that the auxiliary lids 46, 46a are opened and every one or more sections. Fertilizer can be put in the fertilizer storage hopper 31 while the auxiliary inlets 45a and 45b are opened to prevent the fertilizer in the fertilizer storage hopper 31 from getting wet in the rain. Easy to replenish fertilizer in case of rain.

  As shown in FIGS. 6 to 9, the feeding portion 32 that is connected to the lower end portion of each storage case 31 a includes an upper case 48 having an introduction chamber 47 for introducing fertilizer in the fertilizer storage hopper 31, and the upper case 48. A feeding case is constituted by a lower case 49 having a constricted shape (funnel shape) that is detachable from the lower surface of the case 48. Then, a communication groove hole 50 communicating with the introduction chamber 47 is formed so as to penetrate vertically, and a fixing plate 51 fixed to the lower surface of the upper case 48, and rotating adjacent to the lower surface of the fixing plate 51 In addition, an eye plate plate 53 having a number of eye plates 52 vertically penetrated at the same rotational radius so as to be able to communicate with the communication groove hole 50, and a lower surface of the eye plate plate 53 are adjacent to each other. At the phase position below the introduction chamber 47, and has a large radius to block the lower surface of the eye plate 52, and at the phase position in the pre-rotation direction from the introduction chamber 47, the lower surface of the eye plate 52 is opened. A bottom plate 54 having a notch portion (small radius portion) and non-rotatably fitted in the lower case 49, a vertical drive shaft 55 for rotating the eye plate plate 53, and the like are provided. . A hose joint 33 for connecting the supply pipe 36 and the pipe 56 connected to the pipe-shaped air tank 34 is connected to the lower end of the lower case 49.

  The introduction chamber 47 is provided on the upper surface of the upper case 48 on the side close to the driver seat 11 in the traveling machine body 1 (hereinafter referred to as the front side). Further, on the upper surface of the upper case 48, a bearing portion 61 through which a lateral transmission shaft 58, which will be described later, penetrates, a bevel gear 59 fixed to the lateral transmission shaft 58, and a bevel gear at the upper end of the vertical drive shaft 55 engaged therewith. A storage portion 62 for storing 60 is formed adjacent to the rear of the introduction chamber 47, and the vertical drive shaft 55 is rearward (in a direction approaching the seedling planting device 14) as it goes downward as shown in FIG. ) It is tilted forward so that it is located. Therefore, the fixed plate 51 is inclined forward so that the front side is low and the rear side is high. The communication groove hole 50 in the fixed plate 51 and the opening 63 at the lower end of the introduction chamber 47 with respect to the communication groove hole 50 are , It is opened obliquely downward.

  The vertical drive shaft 55 extends obliquely downward through the fixed plate 51, the eye plate 53, and the bottom plate 54, and the vertical drive shaft 55 and the eye plate 53 are engaged with each other. Rotate. A support plate 65 fixed to a plurality of support columns 67 protruding from the inner peripheral surface of the lower case 49 penetrates the lower portion of the vertical drive shaft 55 and also includes a holding coil spring 66 fitted on the outer periphery of the vertical drive shaft 55. Support the lower end. At the upper end of the holding coil spring 66, the bottom plate 54 is pressed and urged toward the eye plate plate 53.

  Further, a holder 64 is connected to the lower end of the vertical drive shaft 55 below the support plate 65 so as not to fall off, and a fertilizer clogging prevention member 68 made of a spiral spring body or the like projects downward at the lower end of the holder 64. The lower end of the fertilizer clogging prevention member 68 is made to face the lower part of the inlet cylinder part 78 in the hose joint 33. Then, the fertilizer clogging prevention member 68 is rotated according to the rotation of the vertical drive shaft 55, and the fertilizer adhering to the lower end inner peripheral surface of the lower case 49 and the inner peripheral surface of the inlet tube portion 78 of the hose joint 33 is wiped off. The hose joint 33 is configured to prevent clogging of fertilizer feeding.

  The front wall 49a of the lower case 49 positioned below the introduction chamber 47 in the upper case 48 as the feeding case is inclined forward so as to approach the lower end of the forwardly inclined vertical drive shaft as going downward. Thus, a large space is formed between the lower side of the front wall 49a and the front end of the hose joint 33, and the air tank 34 can be arranged in the space (see FIGS. 7 and 9). . The upper case 48, the lower case 49, and the hose joint 33 in the feeding case are each formed of a synthetic resin material.

  Further, as shown in FIG. 7, a discharge guide tube 70 is integrally projected in a downwardly inclined manner at the lower part of the front surface of the introduction chamber 47 in the upper case 48 as the feeding case. The discharge guide tube 70 has, for example, a square tube shape in cross section, and a residual fertilizer discharge port 71 having a substantially rectangular shape in plan view is formed at the bottom thereof. The residual fertilizer discharge port 71 is opened above the front end of the air tank 34.

  An operating body 73 protrudes forward and downward from the base end of an opening / closing plug 72 that is inserted in the discharge guide cylinder 70 so as to be movable back and forth, and an operator pushes the opening / closing plug 72 through the operating body 73. At this time, the surface is inclined so that it is substantially the same as the front wall of the introduction chamber 47, and the residual fertilizer discharge port 71 is closed at the bottom surface of the opening / closing plug 72.

  When the open / close stopper 72 is retracted to the locking position of the stopper cylinder 74 fitted and fixed to the outer surface of the discharge guide cylinder 70, the residual fertilizer discharge port 71 is fully opened and along the surface (inclined surface) of the open / close stopper 72. The residual fertilizer can be smoothly guided to the residual fertilizer discharge port 71. In addition, the position of the opening / closing stopper 72 can be fixed to the closed position and the opening position by replacing the locking pin 75 in the locking holes formed in the discharge guide cylinder 70, the stopper cylinder 74, and the opening / closing stopper 72 (FIG. 7). A discharge tube 76 made of a soft synthetic resin as a discharge guide portion is attached to the lower surface side of the discharge guide tube 70 so as to extend downward from the residual fertilizer discharge port 71.

  As shown in FIGS. 10 and 11, these discharge cylinders 76 are bent in the lateral width direction of the traveling machine body 1 and are stored in the collection bags (or fertilizer bags) 77 arranged outside the rear wheels 9 on both the left and right sides. The remaining fertilizer remaining in the case 31a can be taken out. Each upper case 48 is bolted and fixed to the front and rear horizontal frames 40 and 41 via brackets and the like, and the lower end of the lower case 49 is fitted with a rubber fitting that fits into the inlet cylinder portion 78 on the upper surface of the hose joint 33. It is detachably connected via a joint cap 79 (see FIG. 9).

  Since the lower case 49 of the lower constricted shape (funnel shape) is inclined forward in the same manner as the forward inclination of the vertical drive shaft 55, the lower end extension portion of the vertical drive shaft 55 (the extended lower end portion of the fertilizer clogging prevention member 68). Or the like) can be linearly faced to the inlet cylinder 78 in the hose joint 33, the axis of the inlet cylinder 78 is inclined forward in the same manner as the forward inclination angle of the vertical drive shaft 55.

  Next, a power transmission mechanism for the feeding portions 32 arranged in a horizontal row will be described with reference to FIGS. A chain 84 is wound around a chain sprocket 81 fixed in the middle of the PTO shaft 15 projecting rearward from the rear end of the transmission case 5 and a chain sprocket 82 in a bearing case 83 fixed to the rear column 86 of the vehicle body frame 2. Then, the power is transmitted, and the chain is further transmitted to the transmission shaft 85 in the outer lateral position in the bearing case 83. After transmitting power to the lower longitudinal transmission shaft 89 via a driven bevel gear 88 meshing with the bevel gear 87 at the end of the transmission shaft 85, the upper longitudinal transmission is transmitted via a ring cone type continuously variable transmission mechanism 90 provided at the upper end of the transmission shaft 85. It is transmitted to the shaft 91. As shown in FIG. 5, the ring cone type continuously variable transmission mechanism 90 is rotatably provided on an input disc 92 that rotates integrally with the lower longitudinal transmission shaft 89 on the input side and the upper longitudinal transmission shaft 91 on the output side. And a plurality of planetary cones 94 (the planetary cones 94 revolve integrally with the upper longitudinal transmission shaft 91) arranged so as to be relatively rotatable between the two disks 92 and 93. The planetary cone 94 includes a non-rotating transmission ring 95 slidably in contact with the conical surface of the planetary cone 94, and these are housed in a transmission case 96. An adjustment screw 98 having an adjustment knob 97 for the number of rotations (and hence the amount of fertilizer fed per unit time) is disposed in the guide portion at the rear end of the transmission case 96, and the rear end of the shifter 99 is screwed onto the adjustment screw 98. The shifter 99 is engaged and connected to the transmission ring 95, and the planetary cone 94 on which the transmission ring 95 is pressed and abutted by raising and lowering the shifter 99 in FIG. The speed is changed by changing the position of the conical surface.

  The gear shaft 100 that is pin-coupled by dividing the middle portion of the lateral transmission shaft 58 that passes through the plurality of feeding portions 32 is disposed in the bearing case 101 and is output to the bevel gear 102 provided on the gear shaft 100. Power is transmitted by meshing with the bevel gear 103 at the upper end of the upper vertical transmission shaft 91 on the side (see FIG. 6).

  Further, in the storage portion 62 in each feeding portion 32, a striation clutch 104 is provided on the lower surface side of the bevel gear 60 so as to be fitted on the vertical drive shaft 55 so as to be vertically slidable. When doing so, the engagement with the clutch pawl on the lower surface side of the bevel gear 60 is released and the power transmission is interrupted. A clutch shifter 105 that lowers the strut clutch 104 against the biasing spring 106 is connected to a lever 107 outside the upper case 48. And the unit clutch lever 109 (refer FIG. 1) which is provided in the back upper end of the seedling mounting stand 19 for every planting line, and turns ON / OFF the drive of the seedling planting mechanism 24 for every planting line and said corresponding planting When the lever 107 at the position of the strip is connected by the wire 108 and the driving of the planting strip is stopped as in the case of the seedling planting operation at the time of cutting, the fertilization operation of the strip is also interrupted. .

  With the above configuration, when seedling planting work, fertilizer is put in the fertilizer storage hopper 31 in advance, and each float 20 of the seedling planting device 14 is caused to slide on the mud surface while the traveling machine body 1 is advanced in the field. Then, the PTO shaft 15 is driven to transmit power to the seedling planting device 14, and the planting mechanism 24 is driven to divide the seedling mat from the lower end of the seedling mount 19 and plant it on the field. At this time, the rotational force is transmitted from the PTO shaft 15 to the upper longitudinal transmission shaft 91 via the ring cone type continuously variable transmission mechanism 90 and the like, and all (six strips) of the feeding portions 32 are transmitted via the lateral transmission shaft 58. Since the vertical drive shaft 55 rotates at a predetermined speed, the granular fertilizer in each case 31a falls from the introduction chamber 47 through the eye plate 53 to the lower case 49 in an appropriate amount per unit time. Then, it is discharged to the inlet cylinder part 78 opened in the middle of the front and rear of the upper surface of the hose joint 33. On the other hand, since the compressed air from the blower 44 is blown toward the rear in the hose joint 33 through the air tank 34 and the continuous pipe 56, the fertilizer discharged to the inlet cylinder portion 78 is supplied together with the compressed air to the supply pipe 36. Through the grooving device 35 to the side of the planting strip.

  After the work, if fertilizer remains in each case 31a in the fertilizer storage hopper 31, as shown in FIG. 10, a collection bag 77 is placed outside the rear wheels 9, 9, and each locking pin 75 is removed. When the opening / closing stopper 72 of the discharge guide cylinder 70 is pulled forward and the residual fertilizer discharge port 71 is opened, the fertilizer accumulated in the case 31a and the introduction chamber 47 is moved to the substantially vertical inlet of the discharge pipe 76 by its own weight. It is quickly discharged and can be discharged into the collection bag 77.

  Next, on the front and rear surfaces of the fertilizer storage hopper 31, that is, on the front and rear surfaces of the transparent synthetic resin storage cases 31a connected in a horizontal row, a flexible or elastic synthetic resin plate shape is used. Alternatively, the sheet-like cover bodies 130a and 130b are mounted so as to expand toward the bottom in a side view (see FIGS. 1 and 7). In that case, the base ends (upper ends) of the cover bodies 130a and 13b are detachably attached to the outer surfaces of the front and rear walls of the storage case 31a by screws or hook-and-loop fasteners. And each cover body 130a, 130b is made into a horizontally long member along the width direction of the traveling machine body 1 so that it extends over almost the entire length of the horizontally long fertilizer storage hopper 31, and at the lower end of each cover body 130a, 13b, it faces upward over the entire length. An open arc-shaped flange 131 or the like is integrally formed.

  With this configuration, in the side view of the traveling machine body 1, the front and rear portions 130 a and 130 b are provided with an upper case 48 and a lower case 49 that are disposed below the fertilizer storage hopper 31, an introduction chamber 47, and the like. 32, the horizontal transmission shaft 58, the power transmission mechanism from the PTO shaft 15, the hose joint 33, the upper side of the horizontally long air tank 34, and the like can be covered over a wide range in the front-rear direction. When replenishing the granular fertilizer, even if the fertilizer spills outside, it does not adhere to the surface of each part, the spilled fertilizer falls down along the outer surface of each cover body 130a, 130b, and Received at each buttocks 131.

  Furthermore, the lower ends of the respective 130a and 130b are formed in an inclined shape so that each of the brim parts 131 descends toward the outer side in the width direction at a high position at the center of the width of the traveling machine body 1 (FIG. 4, FIG. 10, FIG. 11 and FIG. 12), if the powdery fertilizer received at each ridge 131 is cleaned along the longitudinal direction of the ridge 131 with a brush or the like (not shown), the spilled fertilizer is extremely easy. It can be cleaned so as to be collected at the lower end of the collar 131.

  Further, the lower ends of the left and right side ends of the cover body 130a attached to the front side of the fertilizer storage hopper 31 (the left and right side ends of the flange 131) are more than the step part 27 extending to the left and right sides on the rear side of the driver seat 11. By being configured so as to be positioned on the left and right outer sides, when cleaning with a brush along the longitudinal direction of the collar part 131, the fertilizer collected at the lower end of the collar part 131 is outside the step part 27 in a collection box (not shown) or the like. It can be easily received and does not contaminate any part of the traveling machine body 1.

  When the main lid 45 on the upper surface of the fertilizer storage hopper 31 is pivoted upward and opened rearward, the cover body 130a only needs to be attached to the front side of the fertilizer storage hopper 31. When opening forward and upward, the cover body 130 b may be provided only on the rear side of the fertilizer storage hopper 31.

  FIG. 13 shows a rain cover 133 that can be used as an umbrella when the main lid 45 of the fertilizer storage hopper 31 is opened. The rain cover 133 is made of a rigid thin plate, and has a storage case. At the rear end side of 31a, the base end of the rain cover 133 is attached to the free end side (front end) of the main lid 45 that opens upward via the main hinge 134 via the auxiliary hinge 135. The plan view shape of the rain cover 133 is substantially the same size and shape as the plan view shape of the main lid 45, and the rain cover 133 can be rotated about 270 degrees by the auxiliary hinge 135.

  When the main lid 45 is closed, the rain cover 133 is folded and placed so as to be substantially parallel to the upper surface of the main lid 45. When replenishing fertilizer when it rains, first, the driver's seat 11 is tilted forward, and then the rain cover 133 is manually opened so as to face downward on the left side of FIG. 13, and then the main lid 45 is turned upward. When the main cover 45 is opened upright and substantially vertical, as shown by the solid line in FIG. 13, the bottom surface of the rain cover 133 is in contact with the front edge of the main cover 45 and does not fall any further. 133, since the upper surface of the open fertilizer storage hopper 31 is protected by the rain cover 133 with a large space, the fertilizer replenishment work after the opening of the fertilizer bag 136 is applied to the opening of the upper surface of the fertilizer storage hopper 31 Even when it is raining, rain is not transferred from the opening on the upper surface of the fertilizer storage hopper 31, so that the fertilizer inside is not moistened and can be prevented from becoming a lump.

  When the rain cover 133 is not used, the main cover 45 may be opened while the rain cover 133 is on the main cover 45.

  In each said embodiment, in each case 31a of the fertilizer storage hopper 31, the fertilizer sensor 120 for sensing the presence or absence of a fertilizer and the thing of the mass of the fertilizer put from the top are received, and it is made into a fine granule shape. The synthetic resin receiving net body 121 is provided. Further, the upper case 48 and the lower case 49 as the feeding case are detachably connected by a clamp locking fitting 122.

  By the way, conventionally, seedling planting work in a field is executed even in rainy weather. Therefore, when the fertilizer storage hopper is supplied with powdery fertilizer before or during the work, the fertilizer storage hopper When the top lid of the fertilizer is opened and fertilizer is replenished from the fertilizer bag, rainwater may enter the fertilizer storage hopper. When the fertilizer in the fertilizer storage hopper gets wet and absorbs water, the fertilizer tends to clump, and the fertilizer in the fertilizer storage hopper moves to the side of the planting strip of the seedling planting device (the feeding section or the supply pipe). Etc.).

  In order to prevent this, the upper surface side of the fertilizer storage hopper is covered with a large waterproof sheet or the like, an operator enters the lower side of the waterproof sheet or the like, and the upper cover of the fertilizer storage hopper is opened. Although fertilizer could be replenished, there was a problem that it was difficult to replenish fertilizer.

  As described above, the fertilizer application device 30 arranged at the rear part of the traveling machine body 1 provided with the seedling planting device 14 at the rear is disposed below the fertilizer storage hopper 31 that is long in the width direction of the traveling machine body 1. It comprises so that feeding part 32 for paying out fertilizer for every planting part location may be provided at an appropriate interval in the width direction of traveling machine 1, and the upper end opening of fertilizer storage hopper 31 can be opened and closed horizontally horizontally 45. On the other hand, the main lid 45 is formed with an auxiliary inlet 45a that opens above the storage case for every one or more pieces, and the auxiliary lid 46 is provided to the auxiliary inlet 45a. Since the main lid 45 is opened when it rains, the auxiliary lid 46 is opened if there is a problem in that the fertilizer in the fertilizer storage hopper 31 gets wet due to rain and absorbs water. It said auxiliary inlet 45a for each per Article minute or plural rows fraction is opened, while fertilizer within the fertilizer reservoir hopper 31 can be prevented from getting wet in the rain, it is possible to place the fertilizer in the fertilizer reservoir hopper 31. This makes it easy to replenish fertilizers in case of rain.

  Further, a fertilizer applying device arranged at the rear of the traveling machine body 1 provided with the seedling planting device 14 at the rear is arranged at the lower part of the fertilizer storage hopper 31 that is long in the width direction of the traveling machine body 1 for every planting part of the seedling planting device 14. The feed portion 32 for feeding the fertilizer is provided at appropriate intervals in the width direction of the traveling machine body 1, and the upper end opening of the fertilizer storage hopper 31 is covered with a lid 45 that can be opened and closed vertically. On the other hand, the rain cover 133 is connected to the free end side of the lid 45 that opens upward via the hinge 134 at the rear end side of the storage case 31a of the fertilizer storage hopper 31 and the base end of the rain cover 133 via the auxiliary hinge 135. The plan view shape of the rain cover 133 is set to be substantially the same size and shape as the plan view shape of the lid 45, and the rain cover 133 can be rotated by the auxiliary hinge 135. Since the upper surface of the opened fertilizer storage hopper 31 can be protected by the rain cover 133 with a large space, the fertilizer is applied after the opening of the fertilizer bag is applied to the opening of the upper surface of the fertilizer storage hopper 31. It is only necessary to perform the replenishment work, and even when it is raining, rain does not flow from the opening on the upper surface of the fertilizer storage hopper 31, so that the fertilizer inside does not get wet and can be prevented from becoming a lump. This makes it easy to replenish fertilizers in case of rain.

As described in the above embodiment, in the rice transplanter configured to take out the residual fertilizer from the fertilizer device 30 arranged in the traveling machine body 1 through the discharge guide cylinder 70, the discharge to be connected to the discharge guide cylinder 70. It is comprised so that a residual fertilizer may be collect | recovered from the other end side of a pipe | tube. Further, one end side of the discharge cylinder 76 is connected to the discharge guide cylinder 70, and the other end side of the discharge cylinder 76 is extended toward at least one of the left side or the right side of the traveling machine body 1, The residual fertilizer of the fertilizer application device 30 is collected from the other end side of the discharge cylinder 76. Further, the fertilizer application device 30 includes a plurality of storage cases 31a for storing fertilizers connected in the width direction of the traveling machine body 1, and the flexible discharge cylinder 76 for taking out the remaining fertilizer remaining in the storage cases 31a. Is provided for each storage case 31a, and the lower ends of the plurality of discharge cylinders 76 are distributed by bending them to the left and right in the lateral direction of the traveling machine body 1, and the lower ends of the discharge cylinders 76 are arranged on the left and right sides of the traveling machine body 1. It is extended .

DESCRIPTION OF SYMBOLS 1 Traveling machine body 14 Seedling device 30 Fertilizer 31 Fertilizer storage hopper 31a Storage case 32 Feeding part 33 Hose joint
47 Introduction room
54 Bottom plate 70 Discharge guide tube
71 Residual fertilizer outlet
72 Opening and closing plug 76 Discharge tube

Claims (1)

In the rice transplanter configured to take out the residual fertilizer from the fertilizer applied to the traveling machine body through the discharge guide tube,
A plurality of storage cases for storing fertilizer, an introduction chamber for introducing the fertilizer in the storage case, a residual fertilizer discharge port drilled in the discharge guide tube, and an opening / closing plug for opening and closing the residual fertilizer discharge port And a discharge cylinder for taking out the residual fertilizer remaining in the storage case, connecting one end side of the discharge cylinder to the residual fertilizer discharge port, and at least one of the left side or the right side of the traveling machine body The other end side of the discharge cylinder is extended toward the structure, and the remaining fertilizer in the storage case is collected from the other end side of the discharge cylinder,
The storage cases are connected in the width direction of the traveling machine body, the flexible discharge cylinders are provided for the storage cases, and the lower ends of the discharge cylinders are bent to the left and right in the lateral direction of the traveling machine body. While distributing, let the lower end side of each discharge tube extend to the left and right sides of the traveling aircraft body,
The bottom plate portion for feeding fertilizer at the lower side of the introduction chamber is formed to be inclined in one direction, and the discharge guide tube is provided in a downward inclined shape on the lower inclined side of the bottom plate portion for feeding the fertilizer. Rice transplanter.

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