Riding rice planter

Abstract

To provide a riding rice planter which facilitates a riding on a floor when a preliminary seedling stand is in a use state.SOLUTION: The present invention includes: a vehicle body 3; a drive part 13 provided to the vehicle body 3 and having a walkable floor 12; preliminary seedling stands (20A, 20B, 20C) positioned on a lateral side part of the vehicle body 3 and which can be switched between a use state where the stand stretches in a front-rear direction and a folded state where the stand is shorter in the front-rear direction compared to the use state; a first step 33b provided on a front side from a rear end part of the preliminary seedling stands (20A, 20B, 20C) in the use state, and with which a driver gets on and off on / from the floor 12; and a second step 50 provided on a rear side from the first step 33b, and with which a driver gets on and off on / from the floor 12.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a riding type rice transplanter equipped with a seedling stand for spare seedlings.

Background Art

[0002] As a conventional riding type rice transplanter, for example, as described in Patent Document 1, there is a type that can be switched between a use state in which the seedling stand for spare seedlings is extended in the front - rear direction and seedlings can be placed (in Patent Document 1, "the first working posture" and "the second working posture") and a folded state in which it is folded and seedlings cannot be placed (in Patent Document 1, "the first storage posture" and "the second storage posture").

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, in a conventional riding type rice transplanter, when the seedling stand for spare seedlings is in the use state, the step for the rider to board the floor overlaps with the seedling stand for spare seedlings in plan view (see FIG. 2 of Patent Document 1), and it may be difficult to board the floor using the step.

[0005] An object of the present invention is to provide a riding type rice transplanter that enables easy boarding onto the floor when the seedling stand for spare seedlings is in the use state.

Means for Solving the Problems

[0006] The riding type rice transplanter of the present invention includes a traveling vehicle body, a driving unit provided on the traveling vehicle body and having a floor on which a person can walk, a spare seedling stand located on a lateral side portion of the traveling vehicle body and extending in the front-rear direction, and being switchable between a use state in which it extends in the front-rear direction and a folded state in which it is shorter in the front-rear direction than in the use state, a first step provided in front of the rear end portion of the spare seedling stand in the use state for a passenger to get on and off the floor, and a second step provided behind the first step for a passenger to get on and off the floor.

[0007] According to this invention, not only the first step provided in front of the rear end portion of the spare seedling stand in the use state, but also the second step located behind the first step is provided. With this configuration, even when the spare seedling stand is in the use state, when getting on and off the floor, the passenger can easily avoid the spare seedling stand by using the second step. As a result, the passenger can easily get on and off the floor.

[0008] In the present invention, it is preferable to include a lateral guard provided in a state of extending upward from the lower part of the traveling vehicle body and having an upper part located behind the spare seedling stand, and the second step is provided on the lateral guard.

[0009] According to this configuration, in addition to the first step, the lateral guard having an upper part located behind the spare seedling stand is provided with the second step for a passenger to get on and off the floor. With this configuration, the second step is arranged at a position corresponding to the rear side portion of the spare seedling stand, and the passenger can get on and off the floor while avoiding the spare seedling stand by using the second step.

[0010] In the present invention, it is preferable that the second step is located below the front-rear direction end portion of the spare seedling stand in the use state.

[0011] According to this configuration, the passenger can more easily avoid the standby seedling stand and can more easily get on and off the floor.

[0012] In the present invention, it is preferable that the left and right outer ends of the second step are located laterally outside the left and right ends of the standby seedling stand.

[0013] According to this configuration, a part of the second step is configured to be located laterally outside the standby seedling stand. The passenger can more easily get on and off the floor by using the portion of the second step that is located laterally outside the standby seedling stand.

[0014] In the present invention, the floor has a first floor and a second floor located behind the first floor and above the height position of the first floor, and it is preferable that the second step is located at a height position between the height position of the first floor and the height position of the second floor.

[0015] According to this configuration, since the step is located at a height position between the height position of the first floor and the height position of the second floor, a passenger who places a foot on the second step can easily get on and off either the first floor or the second floor.

[0016] In the present invention, the floor has a first floor and a second floor located behind the first floor and above the height position of the first floor. A first step is provided below the first floor, an extended floor separate from the second floor is provided laterally beside the second floor, and it is preferable that the second step is located between the first step and the extended floor in the front-rear direction.

[0017] According to this configuration, the second step is located between the first step and the extended floor, and the passenger can easily place a foot on the extended floor by using the second step and can easily get on and off the floor.

[0018] In the present invention, it is preferable that the second step is configured to extend inward in the left - right direction from the lateral guard.

[0019] According to this configuration, the second step is located inward in the left - right direction from the lateral guard. As a result, it is possible to avoid the inconvenience that the step damages the crops in the field during traveling.

[0020] In the present invention, it is preferable that a reinforcing member is provided across the inner end portion in the left - right direction of the second step and the lateral guard.

[0021] According to this configuration, the second step can be more firmly fixed to the lateral guard. BRIEF DESCRIPTION OF THE DRAWINGS

[0022]

Figure 1

Figure 2

Figure 3

Figure 4

[0023] A mode for carrying out the present invention will be described with reference to the drawings. In the following description, unless otherwise specified, the direction of arrow F in the figure is defined as "front", the direction of arrow B is defined as "rear", the direction of arrow L is defined as "left", and the direction of arrow R is defined as "right". Also, the direction of arrow U in the figure is defined as "up" and the direction of arrow D is defined as "down".

[0024] 〔Overall Configuration of Riding - type Rice Transplanter〕 Hereinafter, the riding type rice transplanter of the present embodiment will be described. As shown in FIG. 1, a link mechanism 4 is supported at the rear part of a traveling vehicle body 3 having right and left front wheels 1 and right and left rear wheels 2. The link mechanism 4 extends rearward and is configured to be rotatable up and down. The link mechanism 4 is provided with a hydraulic cylinder 5 for lifting and lowering the link mechanism 4.

[0025] A hopper 8 for storing fertilizer is provided on the upper part of the fertilizer applicator 7.

[0026] As shown in FIG. 1, a transmission case 9 is arranged at the front part of the traveling vehicle body 3. A support frame 10 extending forward is connected to the transmission case 9. An engine (not shown) is supported by the support frame 10. A bonnet 11 for covering the engine is provided at the front part of the traveling vehicle body 3.

[0027] As shown in FIGS. 1 and 2, a driver's cab 13 having a floor 12 on which a passenger can walk is provided from the right and left sides of the bonnet 11 to the rear side of the bonnet 11. A driver's seat 14 on which a passenger can sit is arranged at the upper part of the rear part of the floor 12.

[0028] The floor 12 includes a first floor 12A that constitutes the front side part of the floor 12, and a second floor 12B that is located behind the first floor 12A and constitutes the rear side part of the floor 12. The first floor 12A constitutes the front side of the floor 12 from a position corresponding to the front end part of the driver's seat 14 on the floor 12. The second floor 12B is located above the height position of the first floor 12A and below the height position of the seat surface of the driver's seat 14.

[0029] The floor 12 further includes an extended floor 12C that is separate from the second floor 12B and is provided laterally beside the second floor 12B.

[0030] Below the first floor 12A, a front support portion 31 composed of a plurality of frames is provided. The first floor 12A is supported from below by the front support portion 31. Also, below the second floor 12B, a rear support portion 32 composed of a plurality of frames is provided.

[0031] Below the lateral side portion of the first floor 12A, an entrance / exit step 33 for passengers to get on and off the floor 12 is provided. The entrance / exit step 33 includes a support portion 33a having a U-shaped cross-section in side view and a step body 33b provided at the bottom portion of the U-shaped cross-section of the support portion 33a (corresponding to the "first step" of the present invention). The upper portion of the support portion 33a is fixed to the front support portion 31, and it is provided in a posture that inclines laterally outward toward the lower side. The step body 33b is made of a plate-like member and is configured such that a passenger can place their foot on it when getting on and off.

[0032] 〔Regarding the configuration of the side guard and the rear guard〕 Side guards 40 are provided on both the left and right sides of the operation unit 13 so as to extend upward from the lower part of the traveling vehicle body 3. The left and right side guards 40 are formed by bending a round pipe material into an inverted U-shape in side view. The lower end portion of the front vertical extension portion 41 located on the front side of the side guard 40 is fixed to the front support portion 31. The lower end portion of the rear vertical extension portion 42 located on the rear side of the side guard 40 is fixed to the rear support portion 32.

[0033] The front vertical extension portion 41 is formed in an inclined shape that is positioned more forward toward the lower side. The upper front vertical extension portion 41a that constitutes the upper side portion of the front vertical extension portion 41 is formed with a steeper inclination than the lower front vertical extension portion 41b that constitutes the lower side portion of the front vertical extension portion 41.

[0034] At the lower end of the front vertical extension portion 41 (lower front vertical extension portion 41b), a front lateral extension portion 43 extending inward in the left-right direction is formed. The inner ends in the left-right direction of the front lateral extension portion 43 are fixed to the front support portion 31.

[0035] At the lower end of the rear vertical extension portion 42, a rear horizontal extension portion 44 extending inward in the left-right direction is provided. The inner ends in the left-right direction of the rear horizontal extension portion 44 are fixed to the rear support portion 32.

[0036] A rear guard 45 that is provided across the left and right horizontal guards 40 and protects the fertilizer applicator 7 from the rear is connected to the rear vertical extension portion 42. The rear guard 45 is composed of two horizontal frames 45A formed in a U shape in plan view and four vertical frames 45B provided across the two horizontal frames 45A.

[0037] An extended support member 46 that supports the extended floor 12C from below is fixed to the inner side in the left-right direction of the horizontal guard 40.

[0038] 〔Regarding the configuration of the seedling stand for spare seedlings〕 As shown in FIGS. 1 and 2, a plurality of seedling stands 20 for spare seedlings on which mat-shaped seedlings rolled into a roll and fastened with a string, a band, or the like can be placed are arranged on the upper parts of the right and left sides of the traveling vehicle body 3. The plurality of seedling stands 20 for spare seedlings are fixed to the traveling vehicle body 3 and are supported by a pair of front and rear columns 15 extending along the vertical direction, and are located on the lateral side portions of the traveling vehicle body 3.

[0039] The columns 15 are erected upward from the front side portion of the traveling vehicle body 3 in front of the front wheels 1. The rear columns 15 are erected upward from the portion of the traveling vehicle body 3 above the front wheels 1.

[0040] As shown in FIGS. 2 and 3, in the floor 12 (the first floor 12A), between the bonnet 11 and the plurality of right seedling stands 20 for spare seedlings and between the bonnet 11 and the plurality of left seedling stands 20 for spare seedlings, there are right and left passageways. The rider can move from the traveling vehicle body 3 to the ridge or board the traveling vehicle body 3 through the right or left passageway.

[0041] As a plurality of seedling stands 20 for spare seedlings, there are provided three first seedling stands 20A located at the lower stage, a second seedling stand 20B, and a third seedling stand 20C, and a fourth seedling stand 20D located at the upper stage.

[0042] The second seedling stand 20B is fixed to the support column 15. As shown in FIGS. 1 and 2, at the front end portion of the second seedling stand 20B, the first seedling stand 20A is rotatably supported via a folding mechanism 21. At the rear end portion of the second seedling stand 20B, the third seedling stand 20C is rotatably supported via a folding mechanism 22. With this configuration, the first seedling stand 20A and the third seedling stand 20C can be switched between a use state in which they extend in the front-rear direction as shown by a solid line in FIG. 1 and on which seedlings can be placed, and a folded state in which they are shorter in the front-rear direction than in the use state as shown by a two-dot chain line in FIG. 1. That is, the first seedling stand 20A, the second seedling stand 20B, and the third seedling stand 20C are configured as a seedling stand for spare seedlings (corresponding to the "seedling stand for spare seedlings" of the present invention) that can be switched between a use state and a folded state.

[0043] As shown in FIGS. 1 and 2, in the use state, the front end of the first seedling stand 20A is located in front of the front end of the bonnet 11 and the front end of the first floor 12A that constitutes the front side portion of the floor 12. In the use state, the third seedling stand 20C is located on both lateral sides of the first floor 12A and covers the step body 33b of the boarding / alighting step 33 from above. Note that the step body 33b is located in front of the rear end portion of the third seedling stand 20C in the use state.

[0044] The fourth seedling stand 20D is fixed to the support column 15 at a position above the second seedling stand 20B.

[0045] On the upper side portion of the support column 15, a support member 16 is connected across the upper portions of the right and left support columns 15.

[0046] 〔Regarding the configuration of the auxiliary boarding step〕 As shown in FIGS. 1 and 2, the left and right side guards 40 are each provided with an auxiliary boarding step 50 (corresponding to the "second step" of the present invention) for the passenger to get on and off the floor 12. As shown in FIGS. 2 to 4, the auxiliary boarding step 50 is composed of a plate-like member, and the outer side in the left-right direction is fixed to the lower front vertical extension 41b of the side guard 40 and is configured to extend inward in the left-right direction from the side guard 40 (lower front vertical extension 41b). In FIGS. 3 and 4, the configuration of the left auxiliary boarding step 50 is shown, but the right auxiliary boarding step 50 also has the same configuration.

[0047] As shown in FIGS. 1 and 2, the auxiliary boarding step 50 is located behind the rear end of the third spare seedling stand 20C in the use state. As shown in FIGS. 3 and 4, on the inner side in the left-right direction of the auxiliary boarding step 50, a reinforcing member 51 is provided that extends across the inner end in the left-right direction of the auxiliary boarding step 50 and the front horizontal extension 43 of the side guard 40.

[0048] Here, as shown in FIGS. 1 and 2, the upper part of the side guard 40 is located behind the third spare seedling stand 20C, and the passenger can use this part as a handrail.

[0049] As shown in FIG. 1, the auxiliary boarding step 50 is located at a height position between the height position of the first floor 12A and the height position of the second floor 12B.

[0050] As shown in FIG. 2, the auxiliary boarding step 50 and the third spare seedling stand 20C in the use state are arranged so that a part overlaps in plan view. Specifically, as shown in FIGS. 1 and 2, the auxiliary boarding step 50 is located below the front and rear end portions of the third spare seedling stand 20C in the use state.

[0051] As shown in FIGS. 2 and 3, the left and right outer ends of the auxiliary boarding step 50 are located laterally outside the left and right ends of the third spare seedling stand 20C in the use state. Also, as shown in FIG. 2, the auxiliary boarding step 50 is located between the step body 33b of the boarding / alighting step 33 and the extended floor 12C in the front-rear direction.

[0052] With these configurations, even when the third spare seedling stand 20C is in the use state and covers the step body 33b of the boarding / alighting step 33 from above, in a plan view, a part of the auxiliary boarding step 50 does not overlap with the third spare seedling stand 20C. Therefore, even when the third spare seedling stand 20C is in the use state, the passenger can easily board and alight on the floor 12 by using the auxiliary boarding step 50.

[0053] 〔Alternative Embodiment〕 Hereinafter, an alternative embodiment in which changes are made to the above embodiment will be exemplified.

[0054] (1) The auxiliary boarding step 50 may be configured to be rotatable in the front-rear direction, for example. At this time, when the third spare seedling stand 20C is in the use state, the auxiliary boarding step 50 is rotated forward to extend forward, and when the third spare seedling stand 20C is in the folded state, the auxiliary boarding step 50 is rotated backward to extend backward, so that the passenger can board and alight on the floor 12.

[0055] Also, the auxiliary boarding step 50 may be configured to be telescopic and switchable between a stretched state extending in the front-rear direction and a shortened state other than the stretched state. At this time, when the third spare seedling stand 20C is in the use state, the passenger boards and alights on the floor 12 using the stretched auxiliary boarding step 50, and when the third spare seedling stand 20C is in the folded state, the passenger boards and alights on the floor 12 using the shortened auxiliary boarding step 50.

[0056] (2) In the above-described embodiment, the left and right outer ends of the auxiliary boarding step 50 are described by taking as an example the configuration in which they are located laterally outside the left and right ends of the third spare seedling table 20C. However, the present invention is not limited to the above-described embodiment, and the front end of the auxiliary boarding step 50 may be located behind the rear end of the spare seedling table 20, and the third spare seedling table 20C and the auxiliary boarding step 50 may not overlap in plan view.

[0057] (3) In the above-described embodiment, the auxiliary boarding step 50 is described by taking as an example the configuration in which it is located at a height position between the height position of the first floor 12A and the height position of the second floor 12B. However, the present invention is not limited to the above-described embodiment, and the auxiliary boarding step 50 may be configured to be located below the height position of the first floor 12A or above the height position of the second floor 12B.

[0058] (4) In the above-described embodiment, the configuration including the extended floor 12C is described by taking as an example. However, the present invention is not limited to the above-described embodiment, and a configuration without the extended floor 12C may also be used.

[0059] (5) In the above-described embodiment, the auxiliary boarding step 50 is described by taking as an example the configuration in which it is configured to extend inward in the left and right direction from the lateral guard 40. However, the present invention is not limited to the above-described embodiment. For example, the auxiliary boarding step 50 may be configured to extend forward or backward in the front-rear direction from the lateral guard 40.

[0060] (6) In the above-described embodiment, the configuration including the reinforcing member 51 is described by taking as an example. However, the present invention is not limited to the above-described embodiment, and a configuration without the reinforcing member 51 may also be used. Further, instead of the reinforcing member 51, a configuration including a plurality of support members that support the auxiliary boarding step 50 from below may also be used.

[0061] (7) In the above-described embodiment, the configuration in which the auxiliary boarding steps 50 are provided on the left and right side guards 40 has been described as an example. However, the present invention is not limited to the above-described embodiment, and the configuration in which the auxiliary boarding step 50 is provided on either one of the left and right side guards 40 may be used.

[0062] (8) The step body 33b and the auxiliary boarding step 50 may be configured to include a plurality of ribs in one or both of them and be reinforced by the plurality of ribs.

[0063] (9) The step body 33b and the auxiliary boarding step 50 may be configured such that anti-slip protrusions are formed on the upper surface of either one or both of them.

[0064] In addition, the configurations disclosed in the above-described embodiments (including other alternative embodiments, the same applies hereinafter) can be applied in combination with the configurations disclosed in other embodiments as long as no contradiction occurs. Further, the embodiments disclosed in this specification are illustrative, and the embodiments of the present invention are not limited thereto, and can be appropriately modified within the scope not departing from the object of the present invention.

Industrial Applicability

[0065] The present invention can be applied to a riding-type rice transplanter equipped with a seedling stand for spare seedlings.

Explanation of Reference Numerals

[0066] 3: Traveling vehicle body 12: Floor 12A: First floor 12B: Second floor 12C: Extended floor 13: Driving unit 20A: First seedling stand for spare seedlings (seedling stand for spare seedlings) 20B: Second seedling stand for spare seedlings (seedling stand for spare seedlings) 20C: Third seedling stand for spare seedlings (seedling stand for spare seedlings) 33b: Step body (first step) 40: Side guard 50: Auxiliary boarding step (second step) 51: Reinforcing member

Claims

1. A traveling vehicle body, a driver's cab provided on the traveling vehicle body and having a walkable floor, a seedling stand that can be switched between a use state located on the lateral side of the traveling vehicle body and extending in the front-rear direction, and a folded state shorter in the front-rear direction than the use state, a first step provided in front of the rear end portion of the seedling stand in the use state for a passenger to get on and off the floor, and a second step provided behind the first step for a passenger to get on and off the floor, a riding type rice transplanter.

2. a horizontal guard provided in a state of extending upward from the lower part of the traveling vehicle body, and an upper part thereof is located behind the seedling stand, The riding type rice transplanter according to claim 1, wherein the second step is provided on the horizontal guard.

3. The riding type rice transplanter according to claim 1, wherein the second step is located below an end portion in the front-rear direction of the seedling stand in the use state.

4. The riding type rice transplanter according to claim 1, wherein outer ends in the left-right direction of the second step are located laterally outside the left-right ends of the seedling stand.

5. The floor has a first floor and a second floor located behind the first floor and above the height position of the first floor, The riding type rice transplanter according to claim 1, wherein the second step is located at a height position between the height position of the first floor and the height position of the second floor.

6. The floor has a first floor and a second floor located behind the first floor and above the height position of the first floor, The first step is provided below the first floor, An extended floor separate from the second floor is provided on the lateral side of the second floor, The riding type rice transplanter according to claim 1, wherein the second step is located between the first step and the extended floor in the front-rear direction.

7. The riding type rice transplanter according to claim 2, wherein the second step is configured to extend inward in the left-right direction from the horizontal guard.

8. The riding type rice transplanter according to claim 7, further comprising a reinforcing member provided across the inner end in the left-right direction of the second step and the horizontal guard.

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