JP4801519B2 - Seedling support structure for riding rice transplanter - Google Patents

Description

  The present invention relates to a support structure for a seedling platform in a riding type rice transplanter.

  In the seedling platform of the riding type rice transplanter, for example, as disclosed in Patent Document 1, a sliding rail is provided at the lower part of the seedling planting device in the left-right direction (13 in FIGS. 1, 2, and 3 of Patent Document 1). A plurality of sliding members (15, FIGS. 1, 2, and 3 in Patent Document 1) along the left-right direction at the bottom of the seedling table (9 in FIGS. 1, 2, and 3 in Patent Document 1). In many cases, 16) is fixed, and a seedling table is supported on a slide rail through a sliding member so as to be capable of reciprocating horizontally.

  In recent years, for example, as disclosed in Patent Document 2, a working posture (see FIG. 4 of Patent Document 2) in which a seedling table is supported by a sliding rail so as to be reciprocally movable laterally through a sliding member. It has been proposed to change the seedling platform in a non-working posture (see FIG. 5 of Patent Document 2) in which the lower part of the platform and the sliding member are moved rearward and upward from the sliding rail. Thereby, it becomes easy to perform the maintenance work in the vicinity of the slide rail by setting the seedling platform to the non-working posture.

Japanese Utility Model Publication No. 4-94921 (Figs. 1, 2, 3) JP 2006-94730 A (FIGS. 4, 5, and 10)

In Patent Documents 1 and 2, the seedling platform is supported on the slide rail so as to be reciprocally movable laterally through the sliding member (the sliding member is placed on the sliding rail, and the seedling platform is placed on the sliding member. Therefore, a space is formed between the sliding rail and the seedling table between adjacent sliding members, and muddy water or the like easily enters the above-described space.
In recent years, the usage time of the riding type rice transplanter (seedling planting device) has become longer, and when the muddy water or the like easily enters the above-mentioned space, the usage time of the riding type rice transplanter (seedling planting device) becomes longer. In addition, the wear of the slide rail and the slide member due to muddy water or the like becomes remarkable.

  The present invention has a longer use time of the riding type rice transplanter (seedling planting device) while ensuring a state where the maintenance work near the sliding rail is easily performed in the seedling support structure of the riding type rice transplanter. In this case, the object is to suppress wear of the slide rail and the slide member due to muddy water or the like.

[I]
(Constitution)
The first feature of the present invention resides in the following structure in the seedling support structure of the riding type rice transplanter.
A slide rail is supported at the lower part of the seedling planting device in the left-right direction, and a plurality of sliding members are fixed along the left-right direction at the lower part of the seedling setting table. Is supported on the slide rail so as to be reciprocally movable laterally. In a working posture in which the seedling table is supported by the sliding rail so as to be reciprocally movable laterally through the sliding member, and in a non-working posture in which the lower part of the seedling table and the sliding member are moved rearward and upward from the sliding rail, The seedling base is configured to be freely changeable. The space member capable of holding and the lubricant that fills the space between the adjacent sliding member, Ru with a state of fixing the connecting member fixed to the rear surface of the lower portion of the seedling platform. The seedling platform with the lubricant inlet opened to the seedling surface side of the seedling platform at a position away from the upper end position of the connecting member in the inclined direction along the seedling surface of the seedling platform. It is provided in the partition part. The lower end side is connected to the space member and the upper end side of the supply path extended upward is connected to the injection port from the back side of the seedling platform.

(Function)
According to the first feature of the present invention, a plurality of sliding members are fixed to the lower part of the seedling platform along the left-right direction, and the seedling platform can be reciprocated horizontally to the sliding rail via the sliding member. When supported, a space member is provided to fill a space between adjacent sliding members. As a result, the space between adjacent sliding members disappears (becomes smaller), and muddy water or the like hardly enters the space between adjacent sliding members. Even if the use time of the is increased, wear of the slide rail and the slide member due to muddy water or the like is reduced.

According to the first feature of the present invention, the seedling platform is configured to be freely changeable between the working position and the non-working position, so that the vicinity of the slide rail is opened by setting the seedling platform to the non-working position. As a result, maintenance work in the vicinity of the slide rail is facilitated.
In this case, since the sliding member is fixed to the lower part of the seedling platform, when the seedling platform is set to the non-working posture, the sliding member moves rearward and upward from the sliding rail together with the lower part of the seedling platform. Therefore, when the seedling setting table is set to the non-working posture, it is not necessary to perform an operation of removing the sliding member from the sliding rail separately from this setting.

(The invention's effect)
According to the first feature of the present invention, in the seedling support structure for a riding type rice transplanter, the muddy water or the like is made difficult to enter the space between adjacent sliding members. Even if the use time of the planting device) is increased, the wear of the slide rail and the slide member due to muddy water can be reduced, and the durability of the slide rail and the slide member can be improved.
According to the first feature of the present invention, when the seedling platform is configured to be freely changeable between the working position and the non-working position, and when the seedling platform is set to the non-working position, it slides separately from this setting. Since it is not necessary to perform an operation of removing the member from the slide rail, the workability of the maintenance work near the slide rail is improved.

Further, according to the first aspect of the present invention, the space member is fixed to the seedling platform, setting seedling platform to non working position, the sliding member and the space member with seedling platform lower Therefore, when the seedling base is set to the non-working posture, it is not necessary to perform an operation of removing the space member from the sliding rail separately from this setting. In this case, the sliding member and the space member are separated from the sliding rail, and the sliding rail is largely opened.

According to the first feature of the present invention, when the seedling platform is set to a non-working posture, it is not necessary to perform an operation such as removing the space member from the slide rail separately from this setting. Since the sliding member and the space member are separated from each other and the sliding rail is largely opened, the workability of the maintenance work in the vicinity of the sliding rail is improved.

According to the first feature of the present invention, when the seedling table is reciprocated horizontally along the sliding rail, the sliding member is reciprocated horizontally along the sliding rail together with the seedling table, The space member also moves back and forth along the slide rail together with the seedling table.

According to the first feature of the present invention, since the space member is configured to be able to hold a lubricant (e.g., lubricating oil or grease), by replenishing and holding the lubricant in a timely manner, As described above, when the space member moves back and forth along the slide rail together with the seedling table, the lubricant held by the space member is applied to the slide rail.
When the sliding member moves back and forth along the sliding rail together with the seedling table, when the sliding member reaches the portion of the sliding rail where the lubricant is applied, the lubricant adheres to the sliding member. As a result, the lubricant enters the sliding contact surface between the sliding member and the sliding rail, and wear of the sliding rail and the sliding member due to muddy water is reduced.

According to the first feature of the present invention, the lubricant is applied to the sliding rail, and the lubricant enters the sliding contact surface between the sliding member and the sliding rail. Even if the use time of the planting device) is increased, the wear of the slide rail and the slide member due to muddy water can be reduced, and the durability of the slide rail and the slide member can be improved.

According to the first feature of the present invention, when the lubricant is replenished to the space member, the lubricant can be replenished to the space member from the seedling surface side of the seedling table through the inlet and the supply path. The lubricant can be easily supplied to the space member without being obstructed by each member on the opposite side of the seedling setting surface of the seedling setting table.

According to the first feature of the present invention, the space member can be easily replenished with the lubricant without being obstructed by each member on the opposite side of the seedling setting surface of the seedling setting table, and the sliding The workability of the maintenance work near the rail has been improved.
[II]
(Constitution)
The second feature of the present invention resides in the following structure in the seedling support structure of the riding type rice transplanter of the first feature of the present invention.
The supply path is constituted by a hose, and a hose whose lower end side is connected to the space member is bent in a convex shape to the front side and connected to the injection port.

[1]
As shown in FIG. 1, an engine 3 and a transmission case 4 are provided at the front of the airframe supported by the front wheels 1 and the rear wheels 2, and a four-link type link mechanism 6 is provided at the rear of the airframe by a hydraulic cylinder 14. The seedling planting device 7 is supported by the link mechanism 6 so as to be movable up and down, and a riding type rice transplanter is configured.

  As shown in FIGS. 1 and 2, the seedling planting device 7 is configured in a six-row planting type, and is driven to rotate right and left of one feed case 15, three transmission cases 8, and the transmission case 8. A rotating case 9 supported freely, a pair of planting arms 10 supported at both ends of the rotating case 9, a grounding float 11, a seedling setting table 12 having six sets of seedling setting surfaces 12a, and a seedling setting table 12 A vertical feed mechanism 13 and the like for feeding the placed seedling to a seedling outlet 27e (see FIGS. 3 and 4) of the slide rail 27 are provided. A feed case 15 is supported at the lower part of the rear portion of the link mechanism 6 so as to be able to roll around the front and rear axis, and the power of the engine 3 is transmitted to the feed case 15 via a planting clutch (not shown) and the PTO shaft 18. ing. A lateral support frame 16 is fixed to the feed case 15, and the three transmission cases 8 are fixed to the support frame 16 in a cantilever direction so as to transmit the feed case 15 and the three transmission cases 8. A shaft 17 is connected.

  As a result, as shown in FIGS. 1 and 2, the power of the engine 3 is transmitted from the PTO shaft 18 to the feed case 15, and the seedling table 12 is driven to reciprocate laterally, so that the power of the engine 3 is transmitted. The shaft 17, the transmission case 8, and a transmission chain (not shown) disposed inside the transmission case 8 are transmitted to the rotary case 9, and the rotary case 9 is driven to rotate, so that the seedling takeout port of the slide rail 27 is obtained. 27e (see FIGS. 3 and 4), the planting arm 10 alternately takes out the seedlings and plantes them on the rice field.

  As shown in FIG. 1, three feeding parts 19 corresponding to two planting strips are fixed to the rear side of the driver's seat 5, and a hopper 20 that is made of a transparent resin and stores fertilizer is provided with three feeding parts. 19 is fixed. Six groovers 21 that form grooves on the lateral sides of the seedlings (planting strips) planted by the planting arm 10 are prepared corresponding to each of the planting strips and fixed to the grounding float 11. Two groovers 21 and one feeding portion 19 are connected via a hose 22. A blower 23 is provided on the lower side of the driver seat 5, and pipes (not shown) extend to the left and right along the blower 23 or the feeding part 19. What is the part to which the hose 22 is connected in the feeding part 19? An air blowing port (not shown) is formed on the opposite side, and the air blowing port of the feeding portion 19 is inserted into the pipe.

  Thereby, as the seedling base 12 is driven to reciprocate and laterally feed, the rotary case 9 is driven to rotate, and the planting arm 10 is inserted from the seedling outlet 27e (see FIGS. 3 and 4) of the slide rail 27. Alternately take out the seedlings and plant them on the rice field. At the same time, the fertilizer in the hopper 20 is fed out from the feeding unit 19 by a predetermined amount. High-pressure wind from the blower 23 is supplied to the hose 22, and fertilizer is supplied to the grooving device 21 through the hose 22 by the high-pressure air, and the fertilizer is fed into the groove formed on the rice field by the grooving device 21. It is.

[2]
Next, the reciprocating lateral feed drive structure of the seedling bed 12 and the drive structure of the vertical feed mechanism 13 will be described.
As shown in FIGS. 2, 3, and 4, the sliding rail 27 is supported in the left-right direction across the transmission case 8, and the lower portion of the seedling support 12 is supported along the sliding rail 27 so as to be reciprocally movable laterally. Yes. Right and left support frames 28 extend upward from the right and left side portions of the support frame 16, and a support frame 29 is attached over the upper portions of the right and left support frames 28. A roller 31 is supported on a rod 30 fixed to a plurality of locations of the support frame 29 so as to be rotatable around an axis in the vertical direction, and a support frame 32 having a U-shaped cross section is fixed along the back surface of the upper part of the seedling bed 12. The roller 31 is inserted inside the support frame 32. Thereby, the seedling base 12 is supported along the slide rail 27 and the roller 31 so as to be reciprocally movable laterally.

  As shown in FIGS. 2, 4, and 6, the spiral shaft 33 extends from the feed case 15, and the end of the spiral shaft 33 is rotatably supported by the support frame 16 via the support bracket 35. A feed member 34 is externally fitted to 33. A support frame 36 is fixed over the entire width of the seedling platform 12 on the back surface near the top and bottom center of the seedling platform 12 (see FIG. 3), and a connecting member 37 and a feed member 34 fixed to the support frame 36 are provided. The connection member 38 and the bolt 39 are connected. As a result, the helical shaft 33 is rotationally driven by the power of the feed case 15, and the feed member 34 is driven to reciprocate and laterally feed along the helical shaft 33, and the seedling bed 12 is moved to the slide rail 27 and the roller 31. A reciprocating lateral feed is driven along.

  As shown in FIGS. 3 and 4, the vertical feed mechanism 13 is configured to rotate and drive a wide feed belt, and is provided on each of the seedling raising surfaces 12 a of the seedling raising base 12. One drive shaft 40 is installed over the lower part of the vertical feed mechanism 13, and the drive shaft 40 is rotatably supported by support members 41 fixed at four locations on the back surface of the seedling base 12. An input arm 40a is externally fitted at a predetermined position of 40 via a one-way clutch (not shown). As shown in FIG. 2, the longitudinal feed shaft 43 extends from the feed case 15, and the end of the longitudinal feed shaft 43 is rotatably supported by the support frame 16 via the support bracket 42. The two drive arms 43a are fixed to each other. The input arm 40a of the drive shaft 40 is positioned between the two drive arms 43a of the vertical feed shaft 43, and the vertical feed shaft 43 is rotationally driven by the power of the feed case 15.

  As a result, as shown in FIGS. 2, 3, and 4, when the seedling table 12 is reciprocally laterally driven along the slide rail 27 and the roller 31 and reaches the stroke end of the reciprocal laterally driven drive, The input arm 40a reaches the position of one drive arm 43a of the longitudinal feed shaft 43, and the input arm 40a of the drive shaft 40 is rotationally driven by a predetermined angle by the one drive arm 43a of the longitudinal feed shaft 43, thereby causing a longitudinal feed mechanism. 13 is rotated by a predetermined amount, and the seedling placed on the seedling table 12 is sent to the seedling outlet 27 e of the slide rail 27.

[3]
Next, the structure near the slide rail 27 will be described.
As shown in FIG. 4, a support rod 25 is slidably supported by a bracket 24 fixed to the lateral side surface of the transmission case 8, and a U-shaped engagement portion 25 a is fixed to the upper portion of the support rod 25. Yes. A support arm 26 that can swing and be fixed up and down around the horizontal axis P1 of the transmission case 8 is engaged with an engaging portion 25a of the support rod 25, and the position of the support rod 25 is determined by the support arm 26. .

  As shown in FIGS. 12 and 13, a slide rail 27 made of an aluminum drawing material is provided, and a pipe section 27 a having a quadrangular cross section, and the entire length of the slide rail 27 extending from the pipe section 27 a are provided. The step part 27c formed over the entire length of the slide rail 27 on the upper part of the receiving part 27b and the seed part 12 of the pipe part 27a, and the opposite part of the pipe part 27a on the opposite side of the seed part base 12 The slide rail 27 is configured with ribs 27d formed over the entire length of the slide rail 27, notched seedling outlets 27e formed at six locations of the receiving portion 27b, and the like.

  As shown in FIGS. 3, 12, and 13, a connecting member 44 having a T-shaped cross section is fixed to the lower back surface of the seedling platform 12 over the entire width of the seedling platform 12. The sliding member 45 and the engaging member 46 are fixed to the lower surface and the upper surface as follows. The sliding member 45 includes a substrate portion 45a, a vertical wall portion 45b, two bolt holes 45c, one engagement protrusion 45d, and the like, and is integrally formed of synthetic resin. The engaging member 46 is formed of a synthetic resin in an L-shaped cross section, and includes a notch 46a and a shallow recess 46b around the notch 46a.

  As shown in FIGS. 12 and 13, the engagement protrusion 45 d of the sliding member 45 is inserted into the opening 44 a of the connecting member 44, and the sliding member 45 is attached to the lower surface of the four locations of the connecting member 44. The bolt 47 is inserted into the one bolt hole 45c of the moving member 45 from below, and the bolt 47 is inserted into the opening 44b of the connecting member 44 from below. The support member 41 is extended downward from the support member 41 and bent at a right angle so that the opening 41c of the extension 41b of the support member 41 is positioned at the opening 44b of the connecting member 44. The extended portion 41 b of 41 is placed on the upper surface of the connecting member 44, and the bolt 47 is inserted into the opening 41 c of the support member 41 from below.

  As shown in FIGS. 12 and 13, a sliding plate 59 made of metal having a high wear resistance and covering the entire length of the sliding rail 27 is prepared, and the sliding plate 59 is a pipe portion of the sliding rail 27. It is fixed to the upper surface of 27a with screws 60. With the base plate portion 45a of the sliding member 45 placed on the pipe portion 27a (sliding plate 59) of the sliding rail 27, the bolt 47 is inserted into the notch portion 46a of the engaging member 46, and the engaging portion 46 is engaged. The member 46 is attached to the upper surface of the connecting member 44, the nut 48 is fastened to the bolt 47, and the sliding member 45, the engaging member 46, and the extended portion 41 b of the support member 41 are fixed to the linkage member 44. Yes. In this case, when the nut 48 is tightened to the bolt 47, the nut 48 enters the recess 46b of the engagement member 46. Therefore, even if the nut 48 is loosened slightly, the recess 46b of the engagement member 46 is caught by the nut 48. The engaging member 46 does not fall off easily.

  In this state, as shown in FIGS. 12 and 13, the substrate portion 45 a of the sliding member 45 is placed on the pipe portion 27 a (sliding plate 59) of the sliding rail 27, and the substrate portion 45 a of the sliding member 45 is placed. Is in contact with the rib 27d of the slide rail 27 (or slightly apart from the rib 27d of the slide rail 27), and the vertical wall portion 45b of the slide member 45 is in contact with the step portion 27c of the slide rail 27. . The engaging member 46 is in contact with the lateral surface portion and the lower end portion of the rib 27 d of the slide rail 27. As a result, the sliding member 45 and the engaging member 46 slide along the sliding rail 27 so that the lower portion of the seedling bed 12 is supported by the sliding rail 27 through the sliding member 45 so as to be reciprocally movable. Therefore, the state where the lower part (sliding member 45 and engaging member 46) of the seedling bed 12 with respect to the sliding rail 27 moves upward, rightward and leftward in FIG. .

  A seedling amount adjustment lever (not shown) is provided in the seedling planting device 7, and the posture of the support arm 26 is changed around the horizontal axis P1 by the seedling amount adjustment lever as shown in FIG. The position of the support rod 25, the slide rail 27, and the seedling bed 12 can be changed in the vertical direction by changing the posture of the support arm 26 around the horizontal axis P1. Thus, by changing the position of the slide rail 27 in the vertical direction, the position of the seedling outlet 27e of the slide rail 27 with respect to the trajectory of the planting arm 10 is changed in the vertical direction. The amount of seedlings to be taken out can be changed.

[4]
Next, the space member 49 that fills the space between the adjacent sliding members 45 will be described.
As shown in FIGS. 8 and 9, since the length of the sliding member 45 is shorter than that of the sliding rail 27, the pipe portion 27 a (sliding plate 59) of the sliding rail 27 is disposed between the adjacent sliding members 45. ) And the connecting member 44, and this space faces obliquely to the lower left of the page of FIG. As shown in FIGS. 8, 9, 10, and 13, a space member 49 made of a sponge material is prepared, and a space between adjacent sliding members 45 is filled (in the adjacent sliding member 45). The space member 49 is fixed to the lower surface of the connecting member 44 by the connecting clip 50. In this state, both end portions of the space member 49 are close to the end portions of the adjacent sliding members 45, and the lower surface of the space member 49 is the pipe portion 27a (sliding plate 59) of the sliding rail 27. It is in a state of being substantially in contact with the upper surface.

  As shown in FIGS. 8, 9, 10, and 11, a cylindrical plug member at a substantially central position of the space member 49 (the partition portion 12 b located between the adjacent seedling placing surfaces 12 a in the seedling placing base 12). 51 is inserted from below into the opening (not shown) of the connecting member 44, and the upper surface of the space member 49 is pressed against the lower end of the plug member 51. A cylindrical plug member 52 (corresponding to an inlet) is fixed to the partition portion 12b of the seedling platform 12 on the seedling surface 12a side of the seedling platform 12, and a hose 53 ( Equivalent to the supply channel).

  As shown in FIGS. 10 and 11, a cap (not shown) is usually attached to the plug member 52 to close the plug member 52. By removing the cap, lubricating oil (corresponding to a lubricant) can be supplied to the plug member 52 from the seedling surface 12 a side of the seedling setting table 12, and the lubricating oil is supplied via the hose 53 and the plug member 51. Supplyed to the space member 49, the lubricating oil is impregnated in the space member 49 in the vicinity of the plug member 51 (soaked and held).

  As a result, as shown in FIGS. 8, 9, and 10, the seedling bed 12 reciprocates laterally along the slide rail 27, so that the lubricating oil impregnated in the portion of the space member 49 near the plug member 51 is impregnated. Is applied to the pipe portion 27a (sliding plate 59) of the sliding rail 27. At the same time, the seedling bed 12 reciprocally moves laterally along the slide rail 27, so that the sliding member 45 reaches the range where the lubricating oil is applied (the sliding member falls within the range where the lubricating oil is applied). 45), the lubricating oil is also applied to the sliding member 45, the sliding member 45 (substrate portion 45a) and the sliding rail 27 (pipe portion 27a) (sliding plate 59). The lubricating oil enters the sliding contact surface between the two.

[5]
Next, the working posture in which the seedling bed 12 is supported by the sliding rail 27 so as to be reciprocally movable laterally through the sliding member 45, and the lower part of the seedling bed 12 and the sliding member 45 are rearward and upward from the sliding rail 27. A structure for changing the seedling setting table 12 to the non-working posture moved to (1) will be described.
2, 3, 4, and 6 show a state where the seedling setting table 12 is set to the working posture. As shown in FIGS. 4 and 6, the connecting member 37 has an L-shaped long hole 37 a in side view, and a bolt 39 fixed to the connecting member 38 is inserted into the long hole 37 a of the connecting member 37. The bolt 39 is fixed to the connecting member 37 by being tightened by the nut 54. In this case, the bolt 39 is positioned at the upper end of the long hole 37a of the connecting member 37 in the working posture.

  As shown in FIGS. 2, 3, and 4, the bracket 29 a is fixed to the right and left ends of the support frame 29, and the bracket 29 a of the support frame 29 is at the upper end of the right and left support frames 28 in the working posture. Are fixed by pins 55 and bolts 56. As shown in FIGS. 3 and 7, mounting holes 41a are opened in the right and left support members 41, and holding members 57 made of synthetic resin are fixed to the right and left sides of the support frame. A right and left support member 58 configured by bending a bar in a U-shape is prepared, and the lower portions of the right and left support members 58 are attached to the mounting holes 41a of the right and left support members 41 in a working posture. The upper portions of the right and left support members 58 are fitted into the holding member 57.

When changing the seedling platform 12 to the non-working posture with respect to the above working posture, the right and left support members 58 (see FIG. 7) are removed and the nut 48 (see FIG. 13) is sufficiently loosened from the bolt 47. Then, the engaging member 46 is removed, the bolt 56 (see FIG. 4) is removed, and the bolt 39 and the nut 54 (see FIG. 6) are loosened.
As a result, as shown in FIG. 5, while the feed member 34 and the connection member 38 are rotated slightly toward the seedling platform 12 with respect to the spiral shaft 33, the lower portion of the seedling platform 12 is lifted upward around the pin 55. The bolt 39 is moved to the lower end portion of the long hole 37 a of the connecting member 37. Since the sliding member 45 and the space member 49 are fixed to the connecting member 44, the sliding member 45 and the space member 49 move rearward and upward from the sliding rail 27 together with the lower part of the seedling bed 12. In this state, the right and left support members 58 are attached across the slide rail 27 and the connecting member 44 to hold the seedling bed 12 in a non-working posture.

[Another Embodiment of the Invention]
In the above-mentioned [Best Mode for Carrying Out the Invention], a recess may be formed on the lower surface of the space member 49 in the vicinity of the plug member 51 (corresponding to a configuration capable of holding a lubricant). Thus, by supplying grease (corresponding to a lubricant) from the seedling setting surface 12 a side of the seedling setting table 12 to the plug member 52, the grease passes through the hose 53 and the plug member 51 to the above-described concave portion of the space member 49. You may comprise so that it may be supplied.
The sliding plate 59 may be eliminated, and the substrate portion 45a of the sliding member 45 may be directly placed on the pipe portion 27a of the sliding rail 27.

Overall side view of riding rice transplanter Top view of seedling planting device Front view of the seedling table and the vicinity of the slide rail Whole side view of seedling planting device (working posture) Whole side view of seedling planting device (non-working posture) Front view of the vicinity of the spiral shaft and feed member Side view of the vicinity of the left support member of the seedling planting device Longitudinal front view of seedling table, sliding rail, sliding member and space member Longitudinal front view of the vicinity of the slide rail, slide member, engagement member, and space member Vertical side view of the seedling table, slide rail, space member, plug member and hose Transverse plan view around seedling table, plug member and hose Longitudinal side view of the vicinity of the sliding rail, sliding member and engaging member An exploded perspective view of the seedling table, the sliding member, the engaging member, the space member, and the vicinity of the connecting member

7 Seedling planting device 12 Seedling bed 12a Seedling surface of seedling table 27 Sliding rail 45 Sliding member 49 Spatial member 52 Inlet 53 hose (supply channel)

Claims (2)

A sliding rail is supported in the left-right direction at the lower part of the seedling planting device, and a plurality of sliding members are fixed along the left-right direction at the lower part of the seedling placing table, and the seedling is placed through the sliding member. Support the table on the slide rail so that it can move freely back and forth,
Working posture in which the seedling table is supported by the sliding rail so as to be reciprocally movable laterally through the sliding member, and the non-working posture in which the lower part of the seedling table and the sliding member are moved rearward and upward from the sliding rail In addition, the seedling bed is configured to be freely changeable,
A space member that fills the space between the adjacent sliding members and can hold a lubricant is provided in a state of being fixed to a connecting member fixed to the lower surface of the lower part of the seedling table,
In a state in which the lubricant inlet is opened to the seedling surface side of the seedling base at a position farther upward in the inclined direction along the seedling surface of the seedling base than the upper end position of the connecting member In preparation for the partition of the seedling platform,
A seedling support structure for a riding type rice transplanter in which a lower end side of the supply path that is connected to the space member and extends upward is connected to the injection port from the back side of the seedling support base. The seedling of the riding type rice transplanter according to claim 1, wherein the supply path is constituted by a hose, and the hose, the lower end of which is connected to the space member, is bent forward and connected to the inlet. Stand support structure.