Riding rice transplanter

Abstract

To provide a riding type rice transplanter that can simplify the shape of an expansion step.SOLUTION: A riding type rice transplanter includes: a driving seat 13; a traveling machine body; a planting device 5 which is installed at the rear side of the traveling machine body to plant seedlings on a paddy surface; a rear step 17 which is provided in the periphery of the driving seat 13 at the rear side of the traveling machine body; and left and right expansion steps 18 which are adjacent to each other on both of left and right side parts of the rear step 17. The expansion step 18 has multiple step members 31 aligned in the left-right direction of a machine body. The multiple step members 31 are formed in such a shape that ranges in the left-right direction of the machine body do not overlap.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a riding rice transplanter. [Background technology]

[0002] A known example of a conventional riding rice transplanter is the riding rice transplanter described in Patent Document 1. The riding rice transplanter described in Patent Document 1 includes a driver's seat, a traveling body, a planting device provided at the rear of the traveling body for planting seedlings in the rice field, a rear step provided around the driver's seat at the rear of the traveling body, and left and right extension steps adjacent to the left and right sides of the rear step, respectively. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-110878 Summary of the Invention [Problem to be solved by the invention]

[0004] In the riding rice transplanter described in Patent Document 1, it is desired to simplify the shape of the extension step.

[0005] In view of the above situation, there is a demand for a riding rice transplanter that can simplify the shape of the extension step. [Means for solving the problem]

[0006] The present invention is characterized by: The driver's seat and A running body and a planting device provided behind the traveling body and configured to plant seedlings in the rice field; A rear step provided around the driver's seat at the rear of the traveling machine body; left and right extension steps respectively adjacent to both left and right sides of the rear step, The extension step has a plurality of step members arranged in the left-right direction of the aircraft body, The plurality of step members are formed in shapes that do not overlap in the left-right direction of the vehicle body. 、 The plurality of step members are formed in the same shape, The plurality of step members each have a main body portion and a vertical wall portion extending in the up-down direction from an edge of the main body portion, The step member on the lateral outer side of the aircraft body is provided with the vertical wall portion extending upward, The step member on the lateral inner side of the aircraft body is provided in such a position that the vertical wall portion extends downward. The reason is that...

[0007] According to this characteristic configuration, the multiple step members are aligned in the left-right direction of the vehicle body and are formed in shapes that do not overlap in the left-right direction of the vehicle body. This allows the multiple step members to have, for example, the same shape. In other words, the shape of the extension step can be simplified. According to this characteristic configuration, the number of parts in the expansion step can be reduced.

[0008] Furthermore, in the present invention, It is preferable that the front ends of the plurality of step members are located at the same or approximately the same position in the fore-and-aft direction of the vehicle body, and that the rear ends of the plurality of step members are located at the same or approximately the same position in the fore-and-aft direction of the vehicle body.

[0009] According to this characteristic configuration, gaps are unlikely to occur at both the front and rear ends of the expansion step member.

[0010]

[0011]

[0012] Furthermore, in the present invention, It is preferable that a support frame is provided to support the expansion step.

[0013] According to this characteristic configuration, the expansion step can be firmly supported.

[0014] Furthermore, in the present invention, The support frame is preferably formed in a shape spanning the plurality of step members.

[0015] According to this characteristic configuration, it is possible to firmly support a plurality of step members. For example, if the step members are made of resin, it is possible to reinforce the resin step members, which tend to bend due to their own weight.

[0016] Furthermore, in the present invention, The left and right spare seedling loading tables are provided on the left and right sides of the traveling machine body, respectively, on which spare mat-shaped seedlings are placed; It is preferable that the rear end of the spare seedling-placing table is located above the rear step.

[0017] According to this characteristic configuration, the mat-shaped seedlings can be easily removed from the rear end of the spare seedling-carrying table and transferred onto the rear step.

[0018] Furthermore, in the present invention, It is preferable that the rear end of the spare seedling rest is positioned at the same height as or approximately the same height as the upper surface of the rear step.

[0019] According to this characteristic configuration, the mat-shaped seedlings can be easily slid from the rear end of the spare seedling table and transferred onto the rear step.

[0020] Furthermore, in the present invention, It is preferable that the storage unit is provided with a receiving frame provided behind at least one of the rear end portions of the left and right spare seedling placing tables, for receiving the mat-like seedlings from the spare seedling placing tables.

[0021] According to this characteristic configuration, the mat-shaped seedlings from the spare seedling tray are received by the receiving frame, so that the mat-shaped seedlings do not fall off the rear step.

[0022] Furthermore, in the present invention, A fertilizer applicator is provided behind the driver's seat at the rear of the traveling body and supplies fertilizer to the rice field surface; a protective frame provided behind the fertilizer application device to protect the fertilizer application device; Preferably, the protective frame is configured so that its height position is adjustable.

[0023] According to this characteristic configuration, the height position of the protection frame can be changed depending on the situation. [Brief explanation of the drawings]

[0024] [Figure 1] FIG. 1 is a left side view showing a riding rice transplanter. [Figure 2] FIG. 1 is a plan view showing a riding rice transplanter. [Figure 3] FIG. 2 is a left side view showing the peripheral structure of the rear part of the traveling body. [Figure 4] FIG. 2 is a plan view showing the peripheral structure of the rear part of the traveling body. [Figure 5] FIG. [Figure 6] FIG. 10 is a plan view showing the extension step and support frame. [Figure 7] FIG. 10 is a bottom view showing the extension step and support frame. [Figure 8] FIG. 10 is a front view showing the extension step and support frame. [Figure 9] FIG. 10 is a rear view showing the extension step and support frame. [Figure 10] FIG. 2 is a perspective view showing an operation panel. DETAILED DESCRIPTION OF THE INVENTION

[0025] An embodiment of the present invention will be described with reference to the drawings. In the following, the direction of arrow F is defined as "forward of the aircraft body," the direction of arrow B is defined as "rearward of the aircraft body," the direction of arrow L is defined as "leftward of the aircraft body," the direction of arrow R is defined as "rightward of the aircraft body," the direction of arrow U is defined as "upward of the aircraft body," and the direction of arrow D is defined as "downward of the aircraft body."

[0026] A riding rice transplanter is shown in Figures 1 and 2. As shown in Figures 1 and 2, the riding rice transplanter is equipped with a traveling body 1, a motor unit 2, a driving unit 3, a step 4, a planting device 5, a fertilizing device 6, left and right first spare seedling loading tables 7, and left and right second spare seedling loading tables 8 (corresponding to the "spare seedling loading tables" according to the present invention).

[0027] The traveling machine body 1 includes left and right front wheels 9, left and right rear wheels 10, and a machine body frame 11. The machine body frame 11 is supported by the left and right front wheels 9 and the left and right rear wheels 10.

[0028] The motor unit 2 is provided at the front of the traveling machine body 1. The motor unit 2 includes an engine (not shown) and a bonnet 12 that houses the engine.

[0029] A driver sits in the driver's unit 3. The driver's unit 3 is provided behind the driving unit 2. The driver's unit 3 includes a driver's seat 13, a steering wheel 14 for steering the traveling machine body 1, and an operation panel 38.

[0030] The step 4 is provided on the machine frame 11. Left and right handrails 29 are provided on both the left and right sides of the rear of the step 4. The step 4 includes a front step 15, a middle step 16, a rear step 17, and left and right extension steps 18.

[0031] The front step 15 is provided around the hood 12 at the front part of the body frame 11. The rear step 17 is provided around the driver's seat 13 at the rear part of the body frame 11. The middle step 16 is provided between the front step 15 and the rear step 17 on the body frame 11. The left and right extension steps 18 are adjacent to the left and right sides of the rear step 17, respectively. The left extension step 18 and the right extension step 18 are arranged symmetrically.

[0032] The planting device 5 plants seedlings in the rice field surface. In this embodiment, the planting device 5 is configured as an eight-row planting device. The planting device 5 is provided behind the traveling machine body 1. The planting device 5 is configured to be able to rise and fall by a link mechanism 19. The planting device 5 is supported at the rear of the machine body frame 11 via the link mechanism 19.

[0033] The fertilizer applicator 6 supplies fertilizer to the surface of the rice field. In this embodiment, the fertilizer applicator 6 is configured as an eight-row fertilizer applicator. The fertilizer applicator 6 is provided behind the driver's seat 13 at the rear of the traveling body 1. The fertilizer applicator 6 is supported by left and right fertilizer frames 37.

[0034] Spare mat-shaped seedlings are placed on the first spare seedling tray 7 and the second spare seedling tray 8. The left and right first spare seedling trays 7 are provided on the left and right sides of the traveling body 1, respectively. The left and right second spare seedling trays 8 are provided on the left and right sides of the traveling body 1, respectively. The first spare seedling tray 7 and the second spare seedling tray 8 are supported by a support frame 20.

[0035] The second spare seedling placing tray 8 is disposed below the first spare seedling placing tray 7. The second spare seedling placing tray 8 comprises a front placing section 21, a middle placing section 22, and a rear placing section 23. The front placing section 21 and the rear placing section 23 are configured so that they can be moved between a use position (see solid lines in FIG. 2) and a storage position (see chain double-dashed lines in FIG. 2). The front placing section 21 is supported at the front end of the middle placing section 22 so as to be swingable about a swing axis X1 extending along the left-right direction of the machine body. The rear placing section 23 is supported at the rear end of the middle placing section 22 so as to be swingable about a swing axis X2 extending along the left-right direction of the machine body.

[0036] As shown in Figures 3 and 4, the rear end of the left rear placing section 23 is located above the left part of the rear step 17. That is, the rear end of the left second spare seedling placing tray 8 is located above the left part of the rear step 17. The rear end of the right rear placing section 23 is located above the right part of the rear step 17. That is, the rear end of the right second spare seedling placing tray 8 is located above the right part of the rear step 17.

[0037] The rear end of the rear placing section 23 is located at approximately the same height as the upper surface of the rear step 17. In other words, the rear end of the second spare seedling placing table 8 is located at approximately the same height as the upper surface of the rear step 17. In this embodiment, the rear end of the rear placing section 23 is located at a height slightly higher than the upper surface of the rear step 17.

[0038] The rear loading section 23 is held in place in the use position by a locking rod 24. The rear end of the rear loading section 23 is provided with left and right hooks 23a that are hooked onto the locking rod 24. The locking rod 24 is supported by the machine frame 11 and a handrail 29.

[0039] A receiving frame 25 is provided behind the rear end of the left second spare seedling loading tray 8 to receive the mat-like seedlings from the left second spare seedling loading tray 8. The receiving frame 25 is supported by the left fertilization frame 37. The receiving frame 25 hangs down from the left fertilization frame 37.

[0040] A protective frame 26 that protects the fertilizer application device 6 is provided behind the fertilizer application device 6. The protective frame 26 is provided across a left handrail 29 and a right handrail 29. The protective frame 26 includes an upper frame 27 and a lower frame 28. The upper frame 27 is provided across an upper part of the left handrail 29 and an upper part of the right handrail 29. The lower frame 28 is provided across a lower part of the left handrail 29 and a lower part of the right handrail 29.

[0041] The left and right ends of the upper frame 27 are fixed to the upper parts of the left and right handrails 29 by left and right bolts 30. The upper part of the handrail 29 has a plurality of bolt holes 29a (two in this embodiment) formed at different positions in the vertical direction, into which the bolts 30 are inserted. The left and right ends of the lower frame 28 are fixed to the lower parts of the left and right handrails 29 by left and right bolts 30, respectively. A plurality of bolt holes 29b into which the bolts 30 are inserted (two in this embodiment) are formed at different positions in the vertical direction in the lower part of the handrail 29. The height position of the protective frame 26 can be adjusted by changing the bolt holes 29a into which the bolts 30 are inserted and the bolt holes 29b into which the bolts 30 are inserted. In other words, the protective frame 26 is configured so that its height position can be adjusted.

[0042] As shown in Figures 5 to 9, the extension step 18 has a plurality of step members 31 (two in this embodiment) lined up in the left-right direction of the aircraft body. The two step members 31 are formed in the same shape. In this embodiment, the step members 31 are configured from lattice-shaped members (made of resin). The step members 31 are formed in a shape that is symmetrical from front to back. The leading edge of the step member 31 is formed in an inclined shape that is positioned more forward as it approaches the lateral inner side of the aircraft body. The trailing edge of the step member 31 is formed in an inclined shape that is positioned more rearward as it approaches the lateral inner side of the aircraft body. Both lateral edges of the step member 31 extend along the fore-and-aft direction of the aircraft body.

[0043] The step member 31 includes a main body portion 31a and a vertical wall portion 31b. The main body portion 31a and the vertical wall portion 31b are integrally formed. The vertical wall portion 31b extends in the up-down direction. The vertical wall portion 31b is formed on the edge portion of the step member 31. Specifically, the vertical wall portion 31b is formed across the leading edge portion, the trailing edge portion, and the lateral edge portion on the lateral outer side of the aircraft body of the step member 31.

[0044] The step member 31 on the outer side of the machine body is provided with its vertical wall portion 31b extending upward from its main body portion 31a. The step member 31 on the inner side of the machine body is provided with its vertical wall portion 31b extending downward from its main body portion 31a. In other words, the left-side step member 31 and the right-side step member 31 are provided upside down. The upper surfaces of the main body portions 31a of the left-side step member 31 and the right-side step member 31 are flush (or approximately flush).

[0045] The extension step 18 is supported by a support frame 32. The step member 31 is fixed by a plurality of (three in this embodiment) bolts (not shown) while placed on the support frame 32. The step member 31 is formed with a plurality of (three in this embodiment) bolt holes 31c into which the bolts are inserted.

[0046] 6 to 9, the width of the step member 31 is indicated by W. In Figures 5 to 7, the front end of the step member 31 is indicated by 31d, and the rear end of the step member 31 is indicated by 31e.

[0047] 6 to 9, the width W of the left step member 31 and the width W of the right step member 31 do not overlap in the left-right direction of the vehicle. That is, the two step members 31 are formed in shapes that do not overlap in the left-right direction of the vehicle. In other words, the two step members 31 are formed in shapes that do not overlap in a plan view.

[0048] 6 and 7, the front ends 31d of the two step members 31 are located at approximately the same position in the fore-and-aft direction of the aircraft body, and the rear ends 31e of the two step members 31 are located at approximately the same position in the fore-and-aft direction of the aircraft body. Specifically, the front end 31d of the step member 31 on the laterally outer side of the aircraft body is located slightly forward of the front end 31d of the step member 31 on the laterally inner side of the aircraft body, and the rear end 31e of the step member 31 on the laterally outer side of the aircraft body is located slightly forward of the rear end 31e of the step member 31 on the laterally inner side of the aircraft body.

[0049] 6 to 9, the support frame 32 is supported by the handrail 29. The support frame 32 includes left and right side plates 33, a front plate 34, a rear plate 35, and a middle plate 36.

[0050] The left and right side plates 33 are spaced apart in the left-right direction of the vehicle. The step member 31 is placed on the side plates 33 and fixed thereto by the bolts. The front plate 34 is provided between the front end of the left side plate 33 and the front end of the right side plate 33. The rear plate 35 is provided between the rear end of the left side plate 33 and the rear end of the right side plate 33. The middle plate 36 is provided between the portion of the left side plate 33 between the front plate 34 and the rear plate 35 and between the portion of the right side plate 33 between the front plate 34 and the rear plate 35. The front plate 34, the rear plate 35, and the middle plate 36 are formed in a shape that spans the two step members 31. In other words, the support frame 32 is formed in a shape that spans the two step members 31. This makes it possible to reinforce the resin step members 31, which tend to bend easily due to their own weight.

[0051] As shown in FIG. 10, the operation panel 38 includes a meter panel 39, a guide groove 40, a guide groove 41, a switch 42, a switch 43, a switch 44, a switch 45, a switch 46, and multiple (four in this embodiment) switches 47.

[0052] Various types of information are displayed on the meter panel 39. The meter panel 39 may include, for example, a seedling-out lamp, a fertilizer-out lamp, a fertilizer-blocked lamp, a fuel gauge, a water temperature gauge, an oil lamp, a charging lamp, an LCD monitor, etc. However, the configuration of the meter panel 39 is not limited to this configuration.

[0053] The guide groove 40 is a guide groove for a main speed change lever (not shown), and the guide groove 41 is a guide groove for an auxiliary speed change lever (not shown).

[0054] Switch 42 is a switch (volume switch) for adjusting the automatic planting start position. Switch 43 is a switch (volume switch) for adjusting the neutral position of the rolling control (horizontal control of the left and right direction of the machine body) of the planting device 5. Switch 44 is a switch (volume switch) for adjusting the initial position of the ground leveling rotor (not shown). Switch 47 is a switch for switching the few-row clutch (not shown). By switching the few-row clutch with switch 47, the rows in which seedlings are planted and the rows in which fertilization is performed can be selected in units of two rows.

[0055] The riding rice transplanter can automatically travel straight ahead parallel to the reference line. Switch 45 is a switch for setting the start point of the reference line. Switch 46 is a switch for setting the end point of the reference line. Switch 45 is located on the left side of meter panel 39 on operation panel 38. Switch 46 is located on the right side of meter panel 39 on operation panel 38.

[0056] The switch 45 may be disposed on the right side of the meter panel 39 on the operation panel 38. The switch 46 may be disposed on the left side of the meter panel 39 on the operation panel 38.

[0057] Another embodiment of the present invention will now be described.

[0058] (1) In the above embodiment, the extension step 18 includes two step members 31 aligned in the left-right direction of the body. However, the extension step 18 may include three or more step members 31 aligned in the left-right direction of the body.

[0059] (2) In the above embodiment, the front ends 31d of the two step members 31 are located at approximately the same position in the fore-and-aft direction of the aircraft, and the rear ends 31e of the two step members 31 are located at approximately the same position in the fore-and-aft direction of the aircraft. However, the front ends 31d of the two step members 31 may be located at the same position in the fore-and-aft direction of the aircraft, and the rear ends 31e of the two step members 31 may be located at the same position in the fore-and-aft direction of the aircraft.

[0060] (3) In the above embodiment, the two step members 31 are formed in the same shape. However, the two step members 31 may be formed in different shapes.

[0061] (4) In the above embodiment, the step members 31 are made of lattice-shaped members. However, the step members 31 may be made of plate-shaped members.

[0062] (5) In the above embodiment, the rear end of the second spare seedling placing tray 8 is located at approximately the same height as the upper surface of the rear step 17. However, the rear end of the second spare seedling placing tray 8 may also be located at the same height as the upper surface of the rear step 17. Also, the rear end of the second spare seedling placing tray 8 may be located at a position lower than the upper surface of the rear step 17.

[0063] (6) In the above embodiment, the receiving frame 25 is provided behind the rear end of the left second spare seedling placing tray 8. However, the receiving frame 25 may also be provided behind the rear end of the right second spare seedling placing tray 8.

[0064] (7) In the above embodiment, the planting device 5 is configured as an eight-row planting device. However, the planting device 5 is not limited to an eight-row planting device. For example, the planting device 5 may be configured as a four-row, six-row, or ten-row planting device.

[0065] (8) In the above embodiment, the fertilizer applicator 6 is configured as an eight-row fertilizer applicator. However, the fertilizer applicator 6 is not limited to an eight-row fertilizer applicator. For example, the fertilizer applicator 6 may be configured as a four-row, six-row, or ten-row fertilizer applicator. [Industrial Applicability]

[0066] The present invention can be used in a riding rice transplanter. [Explanation of symbols]

[0067] 1 Running body 5 Planting equipment 6 Fertilizer application equipment 8 Second spare seedling tray (spare seedling tray) 13 Driver's seat 17 Rear step 18 Extended Steps 25 Receiving frame 26 Protective Frame 31 Step member 31a Main body 31b Vertical wall section 31d front end 31e rear end 32 Support frame

Claims

1. The driver's seat and A running body and a planting device provided behind the traveling body and configured to plant seedlings in the rice field; A rear step provided around the driver's seat at the rear of the traveling machine body; left and right extension steps respectively adjacent to both left and right sides of the rear step, The extension step has a plurality of step members arranged in the left-right direction of the aircraft body, The plurality of step members are formed in shapes that do not overlap in the left-right direction of the vehicle body, The plurality of step members are formed in the same shape, The plurality of step members each have a main body portion and a vertical wall portion extending in the up-down direction from an edge of the main body portion, The step member on the lateral outer side of the aircraft body is provided with the vertical wall portion extending upward, A riding rice transplanter in which the step member on the inner side of the body is arranged in a position in which the vertical wall portion extends downward.

2. The front ends of the plurality of step members are located at the same or approximately the same position in the fore-and-aft direction of the vehicle body, and the rear ends of the plurality of step members are located at the same or approximately the same position in the fore-and-aft direction of the vehicle body. A riding rice transplanter as described in claim 1.

3. The riding rice transplanter according to claim 1 or 2, further comprising a support frame for supporting the extension step.

4. The riding rice transplanter according to claim 3, wherein the support frame is formed in a shape spanning the plurality of step members.

5. The left and right spare seedling loading tables are provided on the left and right sides of the traveling machine body, respectively, on which spare mat-shaped seedlings are placed; 2. The riding rice transplanter according to claim 1, wherein the rear end of the spare seedling loading table is located above the rear step.

6. The riding rice transplanter according to claim 5, wherein the rear end of the spare seedling loading table is positioned at the same or approximately the same height as the upper surface of the rear step.

7. A riding rice transplanter as described in claim 5 or 6, which is provided with a receiving frame located behind at least one of the rear ends of the left and right spare seedling loading tables and which receives the mat-shaped seedlings from the spare seedling loading table.

8. A fertilizer applicator is provided behind the driver's seat at the rear of the traveling body and supplies fertilizer to the rice field surface; a protective frame provided behind the fertilizer application device to protect the fertilizer application device; The riding rice transplanter according to claim 1 or 2, wherein the protective frame is configured so that its height position can be adjusted.

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