JP6908492B2 - Porting machine - Google Patents

Description

The present invention relates to a porting machine capable of laying a sheet in a field scene.

The traveling machine having a control unit, the planting work machine connected to the rear part of the traveling machine, and the seat roll left and right so that the sheet of the seat roll is fed out to the field scene side as the traveling machine travels. It is provided with a support device that supports the planting work machine side in a directional posture and a spare support device that can support a spare seat roll on the side side of the traveling machine in a front-rear posture. The transplantation machine described in Patent Document 1 is conventionally known.

Japanese Patent No. 4024417

By the way, in a mulch transplanter for rice planting (for paddy rice), a paper mulch made of paper (for example, made of recycled paper) is used as a sheet for covering a field scene. According to such a paper mulch, while suppressing the growth of weeds in the initial stage of rice cultivation, it is decomposed by microorganisms after a predetermined period of time, so that the mulch can be prevented from becoming an obstacle at the time of harvesting. If the spare sheet roll supported by the spare support device gets wet with sudden rain or the like, it may be difficult to continue the rice planting work because it is easily torn when it gets wet with water.

When trying to protect the rain by covering the upper part and the side side of the spare seat roll, in order to open the entrance side of the traveling machine body, the entire cover body formed long in the front-rear direction is retracted and rotated. Because of the need, a large space was required on the side of the traveling aircraft when getting on and off. On the other hand, by separately forming the cover body and configuring a part of the cover body so that it can be retracted and rotated, the space efficiency when the cover body is retracted and rotated can be improved. In this case, there is a problem that the number of parts constituting the cover body increases and the cost increases.

The present invention is configured so that the cover body can open the entrance / exit side in a space-efficient manner in a transplant machine provided with a cover body that covers a seat roll supported on the side side of the traveling machine body by the preliminary support device. At the same time, it is an issue to provide a transplanting machine that can be formed at a lower cost.

In order to solve the above problems, the present invention firstly accompanies the traveling of the traveling machine 3 having the control unit 13, the planting work machine 6 connected to the rear portion of the traveling body 3, and the traveling body 3. The support device 8 that supports the sheet roll 7 on the planting work machine 6 side in a posture in which the sheet roll 7 is oriented in the left-right direction so that the sheet 7a of the sheet roll 7 is fed out to the field scene side, and the spare sheet roll 7 are moved back and forth. A preliminary support device 19 that can be supported on the lateral side of the traveling machine body 3 in a directional posture, and a cover body that covers at least the upper side and the lateral side of the seat roll 7 supported by the preliminary support device 19. 21 The front end of the front split body 42 is formed in the same shape as the frame 61 of the 43, and the front end thereof is located on the front side of the traveling machine body 3 in a side view, and the rear end is located on the front side of the entrance / exit of the traveling machine body 3. The front end portion of the rear split body 43 is rotatably connected to the rear end side of the front split body 42.

Second, the front-rear split bodies 42 and 43 have a pair of left-right front-rear frames 64 extending in the front-rear direction and a left-right horizontal frame 66 connecting the pair of front-rear frames 64. The frame 66 is provided with at least two or more horizontal frames 66 in the front-rear direction of the front-rear frame 64, and the horizontal frame 66A provided on the rotation support shaft 44 side for rotatably connecting the front-rear divided bodies 42 and 43 is used as another horizontal frame. It is characterized by being formed wider than 66B.

Third, the front and rear divided bodies 42 and 43 have a seat member 62 that covers the seat roll 7 from the side side to the upper side, and a pressing member in the front-rear direction that presses the seat member 62 placed on the horizontal frame 66. It has 63, and is characterized in that the horizontal frame 66, the seat member 62, and the pressing member 63 are fastened together.

Fourth, the pressing member 63 is characterized in that the seat member 62 and the horizontal frame 66 are provided with fixing holes 63a symmetrically in the front-rear direction.

The cover body is divided into front and rear divided bodies so that the entrance / exit side can be opened, and the frame of the front divided body and the frame of the rear divided body are formed into the same shape and used for both purposes. Since the types of frames used to form the front and rear split bodies are reduced, the manufacturing cost can be kept low.

Further, the front-rear division body has a pair of left-right front-rear frames extending in the front-rear direction and a left-right horizontal frame connecting the pair of front-rear frames, and the horizontal frame is the front-rear direction of the front-rear frame. According to a horizontal frame provided on the rotation support shaft side that rotatably connects the front and rear divided bodies, which is provided in at least two or more, wider than the other horizontal frames, the wide horizontal frame. Since the rotation support portion is attached to the front and rear split bodies and also functions as a member for connecting the pair of vertical frames, the number of members constituting the split body is reduced and the overall weight is reduced. ..

Further, the front and rear divided bodies include a sheet member that covers the seat roll from the side side to the upper side, and a pressing member in the front-rear direction that presses the seat member placed on the horizontal frame. According to the one in which the seat member and the pressing member are fastened together, the member for attaching the seat member to the horizontal frame side and the member for attaching the pressing member to the horizontal frame side are also used. Can be done.

According to the presser member having fixing holes for fastening the seat member and the horizontal frame symmetrically in the front-rear direction, the shape of the presser member used for the front-rear split body can be formed to be the same. Therefore, it is possible to reduce the types of parts and keep the cost low.

It is the whole perspective view of the multi-transplant machine which showed the closed state of a cover body. It is the whole perspective view of the multi-transplant machine which showed the open state of a cover body. It is the whole side view of the multi-transplant machine which showed the open state of a cover body. It is the whole plan view of the multi-transplant machine which showed the closed state of a cover body. It is a main part perspective view which showed the rotation support part in the expanded state. It is a main part perspective view which showed the rotation support part in an open state. It is a main part perspective view which showed the support structure of the spare roll cover body. (A) is a perspective view showing a frame body, and (B) and (C) are three views showing a horizontal frame. (A) to (C) are a plan view, a side view, and a front view showing a spare roll cover body in a housed state. (A) to (C) are a plan view, a front view, and a perspective view showing a storage box in which a spare roll cover body is housed.

1 and 2 are an overall perspective view of the multi-transplant machine showing the open / closed state of the cover body, FIG. 3 is an overall side view of the multi-transplant machine showing the open state of the cover body, and FIG. 4 is an overall side view of the multi-transplant machine. , It is the whole plan view of the multi-transplant machine which showed the closed state of a cover body. The multi-porting machine of the present invention includes a traveling machine 3 supported by front wheels 1 and rear wheels 2, and a planting work machine 6 movably connected to the rear of the traveling machine 3 via an elevating link 4. It is provided with a sheet laying mechanism 8 for feeding out the sheet 7a from a roll body (sheet roll) 7 which is a roll of a multi-sheet (hereinafter, simply sheet 7a) laid in a field and laying the sheet 7a on the field scene side. ing.

The traveling machine body 3 is supported by a body frame 9, an engine mounted on the front portion of the body frame 9 and surrounded by a bonnet 11 (not shown), and supported on the left and right sides of the bonnet 11. A spare seedling stand 12 on which the spare seedlings are placed and a control unit 13 which is arranged behind the bonnet 11 and on which an operator can board and perform steering operation are provided.

Further, the traveling machine body 3 is raised one step higher than the front steps 14 arranged on the left and right sides of the bonnet 11, the side steps 16 arranged on the left and right sides of the control unit 13, and the rear side of the side steps 16. A rear step 17 is provided, and an elevating step 18 used for getting on and off the side step 16 which is an entrance / exit of the control unit 13 is provided on the left and right outer sides of the side step 16. ing.

Further, on the left and right side of the traveling machine body 3, a spare roll holding portion 19 for holding the spare roll body 7 on the rear side of the elevating step 18 in the front-rear direction along the traveling machine body 3 is provided. A spare roll cover body 21 is provided to cover the upper side of the spare roll body 7 held on the left and right sides of the traveling machine body 3 by the spare roll holding portion 19.

Further, on the left-right side front side of the traveling machine body 3, a gate-shaped support frame 22 supported on the body frame 9 side is provided. The support frame 22 supports the spare seedling stand 12 extending upward, and also supports the spare roll cover body 21 extending outward to the left and right so as to be detachably supported. The body 23 is mounted and supported (see FIGS. 1 and 2).

The planting work machine 6 has a seedling stand 24 on which mat seedlings are placed extending toward the rear lower side, and seedlings are scraped from the lower end side of the seedling stand 24 and planted on the field side. It is provided with a planting portion 26 that is rotationally driven in such a manner, and is connected to the traveling machine body 3 side so as to be able to move up and down via the expansion / contraction operation of the hydraulic cylinder 27.

The sheet laying mechanism 8 is fed backward from the roll storage portion 28 that horizontally stores the roll body 7 on the front side of the planting portion 26 and the roll body 7 stored in the roll storage portion 28. A seat guide 29 for guiding the seat 7a, a roller float 31 composed of two cylindrical bodies suspended above the seat guide 29 so as to be swingable up and down, and a seat suspended behind the roller float 31. A compression roller 32 and a cutter device 33 for cutting the sheet 7a unwound from the roll body 7 are provided (see FIG. 3 and the like).

The roll storage unit 28 is provided with a storage port that can be opened and closed on the side side, and is formed in a cylindrical shape that allows the roll body 7 to be freely stored and held from the storage port. It is supported on the front side of 26.

The sheet 7a drawn out from the roll body 7 housed in the roll storage unit 28 to the rear side is guided on the seat guide 29 and pressed from above by the roller float 31 and the seat suppression roller 32. Then, it is sent out to the field scene side at any time. Further, the sheet 7a drawn out from the roll body 7 side in the roll storage portion 28 to the field scene side is cut by the cutter device 33 arranged behind the sheet suppression roller 31.

According to the transplanting machine having the above configuration, when the traveling machine 3 is run with the planting work machine 6 lowered to the field scene side, the sheet 7a is sequentially fed backward from the roll body 7 in the roll storage portion 28. The field scene can be covered with the sheet 7a. As a result, the planting work machine 6 can scrape the seedlings from the mat seedlings on the seedling stand 24 by the planting unit 26 and perform the planting work from the sheet 7a covering the field scene.

The spare roll holding portion 19 is curved so as to support the upper surface support 36 formed so as to press the rear upper surface side of the roll body 7 and the lower surface side of the roll body 7 on the front side of the upper surface support 36. The formed lower surface support 37, the support rod 38 that supports the upper surface support 36 and the lower surface support 37, and the rear end side of the support rod 38 can be rotated horizontally on the lateral rear side of the traveling machine body 3. It is provided with a support portion 39 that supports the vehicle and a left-right connecting body 41 that connects a pair of left and right support portions 39, 39 provided behind the control unit 13 (see FIG. 3).

According to the configuration, the spare roll holding portion 19 can be held so as to sandwich the rear side of the roll body 7 at the top and bottom. Specifically, the spare roll holding portion 19 supports the rear side of the center of gravity of the roll body 7 by the lower surface support 37, and the roll body 7 rotates upward around the lower surface support 37. By pressing the upper surface side of the rear end by the upper surface support 36, the spare roll body 7 can be held along the side side of the traveling machine body 3.

Next, the configuration of the spare roll cover body will be described with reference to FIGS. 1 to 7. FIG. 5 is a perspective view of a main part showing a rotation support part in an unfolded state, FIG. 6 is a perspective view of a main part showing a rotation support part in an open state, and FIG. 7 is a spare roll cover body. It is the main part perspective view which showed the support structure of.

The spare roll cover body 21 is a front split body 42 extending in the front-rear direction from the front end of the traveling machine body 3 to the front of the elevating step 18, and from the front split body 42 to the support portion 39 side of the rear part of the traveling machine body 3. The rear split body 43 extending in the front-rear direction, the rotation support portion 44 that rotatably supports the rear split body 43 toward the rear side of the front split body 42, and the front split body 42 are supported by the traveling machine body 3. A deployment posture (expanded state) that includes a cover support portion 46 that supports the side and covers the entire upper side and side of the spare roll body 7 held by the spare roll holding portion 19, and a rear split body 43. It is configured so that the posture can be switched to the open posture (open state) in which the body is rotated upward.

The rotation support portion 44 includes a front mounting portion 47 that is mounted and fixed on the upper surface side of the rear end of the front split body 42, a rear mounting portion 48 that is mounted and fixed on the upper surface side of the front end of the rear split body 43, and front and rear mounting. A rotation shaft 49 that rotatably connects the portions 47 and 48, and a pair of tension springs 51 and 51 that urge the rear split body 43 to rotate upward about the rotation shaft 49 on the front end side. A stopper 52 provided on the rear end side of the front mounting portion 47 to regulate the rotational operation of the rear split portion 43 upward and forward at a predetermined position, and a stopper 52 provided on the upper surface side of the rear mounting portion 48. It has a regulation portion 50 that comes into contact with the rear portion 50, and a grip portion 53 that is attached to the rear side of the rear attachment portion and grips when the rear split body 43 is rotationally operated (see FIGS. 5 and 6).

One end side of the tension spring 51 is locked to the angle-shaped front locking portion 54 formed on the stopper 52 side, and the other end side of the tension spring 51 is formed on the handle portion 53 side. It is locked to the angled rear locking portion 56 (see FIGS. 5 and 6).

The cover support portion 46 is a plate-shaped member that is bolted to the front side of the front mounting portion 47 of the front split body 42 and is formed so as to project inward in the left-right direction, and is the support on the traveling machine body 3 side. A pair of support rods 57, 57 attached to the upper surface side of the frame 22 and projecting outward to the left and right are provided with an insertion support portion 58 to be inserted and fixed, and the support rod 57 is inserted and removed from the insertion support portion 58. As a result, the front split body 42 (spare roll cover body 21) can be detachably supported on the side side of the traveling machine body 3 (see FIG. 7).

According to the configuration, the spare roll cover body 21 is switched to a deployed posture in which the front split body 42 and the rear split body 43 are arranged side by side in the front-rear direction, whereby the traveling machine body 3 is held by the spare roll holding portion 19. By switching the rear split body 43 to an open posture in which the rear split body 43 is rotated upward and forward, the entire roll body 7 held on the side of the roll body 7 can be covered (see FIGS. 1 and 4). Since the side of the boarding / alighting step 18 is opened, the operator can smoothly get on / off the control unit (see FIGS. 2 and 3).

At this time, when the operator grips the handle portion 53 and operates the rear split body 43 upward, the tension spring 51 assists the rotation operation of the rear split body 43, so that the rear split body 43 is assisted. The 43 can be smoothly switched and operated with a small force. Further, the rear split body 43 that has been rotated upward is automatically regulated to rotate forward at a predetermined position by the regulating portion 50 of the rear split body side 43 coming into contact with the stopper 52 on the front split body 42 side. (See FIG. 6).

Next, a specific configuration of the front and rear divided bodies will be described with reference to FIGS. 1 to 8. 8 (A) is a perspective view showing a frame body, and FIGS. 8 (B) and 8 (C) are three views showing a horizontal frame.

The front and rear divided bodies 42 and 43 are attached and fixed to a frame body 61 formed in a rectangular shape so as to cover the upper surface side of the roll body 7 so as to be placed on the frame body 61. It is composed of a sheet member 62 that covers the upper surface side and the left and right side sides of the roll body 7, and a fixing member 63 that attaches and fixes the sheet member 62 to the frame body 61 side (see FIG. 8).

The frame body 61 is a plate extended in the left-right direction so as to connect between the front-rear frames 64, 64, which are a pair of left-right pipe-shaped members extended in the front-rear direction, and the front-rear frames 64, 64. It is composed of a horizontal frame 66 having a shape. The horizontal frame 66 is formed in a square frame shape by connecting at least the ends of the front and rear frames, and a common frame body 61 is used for the front and rear divided bodies 42 and 43.

When the front and rear frames 64 are used as the frame body 61 on the front split body 42 side, the front and rear frames 64 are extended from a position that does not protrude from the front end side of the traveling machine body 3 to a position that does not hinder getting on and off the traveling machine body 3. Is set to.

The horizontal frame 66 is a connecting horizontal frame 66A formed so that the width of the horizontal frame 66 on one end side in the longitudinal direction is wider than the width of the horizontal frame 66 on the other end side in the longitudinal direction. The rotation support portion 44 (front mounting portion 47 or rear mounting portion 48) is bolted to the upper surface side thereof, and is configured to be used for connecting the front and rear divided bodies 42 and 43 to each other.

Further, the horizontal frame 66 includes a horizontal frame 66B provided at the opposite end of the connecting horizontal frame 66A to form a frame body in a square shape, and a connecting horizontal frame 66A side from the center in the longitudinal direction of the front and rear frames 64. A pair of reinforcing horizontal frames 66C and 66C provided at positions close to each other are provided (see FIG. 8).

The reinforcing horizontal frame 66C is common to the front and rear split bodies 42 and 43, and when used for the frame body 61 of the front split body 42, it is used for mounting and fixing the cover body support portion 46. When used for the frame body 61 of the rear split body 43, it is configured to be used for mounting and fixing the handle portion 53.

By the way, fixing holes 66a for fixing the seat member 62 and the like with bolts are bored on the left and right end sides of each horizontal frame 66.

According to the configuration, the frame body 61 is formed by forming the front split body 42 and the rear split body 43 into a square shape by similarly combining the front and rear frames 64 and the horizontal frame 66 having the same shape and length. By arranging the frame bodies 61 symmetrically in the front-rear direction, a part of the front-rear divided bodies 42 and 43 is formed. That is, since it is not necessary to change the configuration of the frame body 61 between the front and rear divided bodies 42 and 43, the manufacturing cost can be further suppressed.

The seat member 62 is a flexibly deformable sheet-like member, and the seat member 62 is bent downward at the left and right edges of the frame body 61 (front-rear frame 64) to form a spare roll body 7. It is configured in a U-shape that covers the entire upper part and the left and right outer sides (see FIG. 7 and the like). The sheet member 62 may be formed in a U-shape with the lower side open in advance.

Further, as the seat member 62, the one in which the front-rear length of the seat member 62 on the rear split body 43 side is longer than the front-rear length of the seat member 62 on the front split body 42 side is used. Specifically, the seat member 62A on the front split body 42 side is formed so that the front-rear length thereof matches the length of the front-rear frame 64, and the seat member 62B on the rear split body side 43 is behind the front-rear frame 64. It is attached so as to project rearward from the end side (see FIGS. 1 to 4 and the like).

According to the configuration, even when the length of the roll body 7 is longer than the length of the frame bodies 61 constituting the front and rear divided bodies 42 and 43 arranged in the front and back, the entire roll body 7 can be reliably covered. can. Further, since the front end side of the seat member 62 on the front split body 42 side is formed along the frame body 64, it does not interfere with the supply work of the roll body 7, and the rear end side of the rear split body 43 does not interfere. Is on the discharge side of the roll body 7, so even if the seat member 62 protrudes from the frame body 61, it is unlikely to get in the way.

The fixing member 63 is a rod-shaped member having an L-shaped cross section extending in the front-rear direction along the front-rear frame 64, and the front-rear frame is placed on the seat member 62 mounted on the frame body 61. It is configured so that the upper surface side and the left and right outer surface sides of the 64 can be pressed, and is mounted and fixed on the left and right front and rear frames 64 and 64 (see FIG. 6 and the like). At this time, the fixing member 63 is provided with fixing holes 63a for bolting to the frame body 61 (specifically, the horizontal frame 66) side at predetermined intervals.

According to the configuration, the fixing member 63, the frame body 61 (horizontal frame 66), and the seat member 62 are fastened together by the fixing bolts, so that the fixing member 63 and the seat member 62 can be attached to the frame body 61 side. Since the fixture is also used, the number of parts can be reduced and the cost can be kept low. Further, as the fixing member 63, the front and rear divided bodies 42 and 43 formed in the same shape can be used, so that the number of parts can be further reduced.

Next, the accommodation configuration of the spare roll cover body will be described with reference to FIGS. 9 and 10. 9 (A) to 9 (C) are a plan view, a side view, and a front view showing the spare roll cover body in the housed state, and FIGS. 10 (A) to 10 (C) show the spare roll cover body in which the spare roll cover body is housed. It is a plan view, a front view, and a perspective view which showed the storage box.

As shown in the figure, the spare roll cover body 21 removes the seat member 62, the stopper 52 bolted to the rotation support portion 44 (front mounting portion 47), and the tension spring 51. Therefore, it is possible to switch to the accommodation posture (accommodation state) in which the upper surface side of the front split body 42 and the upper surface side of the rear split body 43 face each other (see FIGS. 6 and 9). )

At this time, each fixing member 62 is formed with a recessed portion 70 recessed upward on the lower end side of both left and right ends so that the spare roll cover body 21 folded in the housed state does not open. The position to be tied with the string 72 can be positioned (see FIGS. 9A to 9C).

Further, the bolts for fixing the removed tension spring 51 and the seat member 62, the pins for fixing the cover support portion 46 of the spare roll cover body 21 to the cover support body 23 side, and the like are separately dedicated parts cases. It is housed in 71 (see FIG. 9 (A)).

According to the configuration, the spare roll cover body 21 in the housed state, the tension spring 51, the stopper 52, and the fixing bolt housed in the housed case, and the support rod 57 and the like attached to the cover support body 23 side are provided. Since it can be stored in a single storage box 73 such as a cardboard box, the spare roll cover body 21 can be attached / detached, transported, and stored more efficiently (see FIG. 10).

3 Traveling machine 6 Planting work machine 7 Roll body (seat roll)
8 Sheet laying mechanism (support device)
13 Control unit 19 Spare roll holding unit (spare support device)
21 Spare roll cover body (cover body)
42 Pre-divided body (divided body)
43 Post-split body (split body)
44 Rotating support shaft 62 Seat member 63a Fixing hole 64 Front and rear frame 66 Horizontal frame

Claims (4)

A traveling aircraft (3) having a control unit (13) and
The planting work machine (6) connected to the rear part of the traveling machine (3) and
The planting work machine (7) is oriented in the left-right direction so that the sheet (7a) of the sheet roll (7) is fed out to the field scene side as the traveling machine (3) travels. 6) Support device (8) that supports on the side and
A spare support device (19) capable of supporting the spare seat roll (7) on the side side of the traveling machine body (3) in a posture facing the front-rear direction.
A cover body (21) that covers at least the upper side and the side side of the seat roll (7) supported by the preliminary support device (19) is provided.
The cover body (21) is composed of front and rear split bodies (42, 43).
The frame (61) of the front split body (42), which is the front split body of the cover body (21), and the frame (61) of the rear split body (43), which is the rear split body, are formed in the same shape. ,
The front split body (42) is arranged so that its front end is located on the front side of the traveling machine body (3) in a side view and its rear end is located on the front side of the entrance / exit of the traveling machine body (3).
A transplant machine in which the front end portion of the rear split body (43) is rotatably connected to the rear end side of the front split body (42). The front-rear divisions (42, 43) include a pair of left-right front-rear frames (64) extending in the front-rear direction and a left-right horizontal frame (66) connecting the pair of front-rear frames (64). death,
At least two or more of the horizontal frames (66) are provided in the front-rear direction of the front-rear frame (64), and are provided on the rotation support shaft (44) side that rotatably connects the front-rear divided bodies (42, 43). The transplant machine according to claim 1, wherein the horizontal frame (66A) is formed wider than the other horizontal frames (66B). The front and rear divided bodies (42, 43) include a seat member (62) that covers the seat roll (7) from the side side to the upper side, and a seat member (62) placed on the horizontal frame (66). The transplanting machine according to claim 2, further comprising a pressing member (63) in the front-rear direction of pressing, and the horizontal frame (66), the seat member (62), and the pressing member (63) being fastened together. The transplanting machine according to claim 3, wherein the pressing member (63) is provided with a fixing hole (63a) for which the seat member (62) and the horizontal frame (66) are fastened together symmetrically.

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