Hand-held advancing type rice transplanter

By introducing a distance measuring bar and a gear rack meshing transmission of a double-head drive assembly on a hand-held forward transplanter, combined with an elastic ball and slot structure, the problem of inaccurate row spacing adjustment is solved, precise control of seedling spacing and efficient use of fields are achieved, and machine components are protected.

CN223335058UActive Publication Date: 2025-09-16JIANGSU DONGYANG AGRICULTURAL MACHINERY CO LTD
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Patent Information

Application Number
CN202422709795.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-09-16
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

The row spacing adjustment of existing hand-held forward transplanters relies on the operator's visual observation and experience judgment, resulting in inconsistent spacing, affecting field utilization efficiency and seedling growth quality.

Method used

It uses distance measuring bars and double-head drive components, and realizes the synchronous movement of the distance measuring bars through gear rack engagement transmission. Combined with the elastic ball and slot structure, it can accurately control the seedling spacing, and the base plate is protected by the telescopic component.

Benefits of technology

It achieves precise control of the spacing between seedlings, improves field utilization efficiency and rice yield, protects the pad from damage, and extends its service life.

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Abstract

The utility model belongs to the technical field of rice transplanters, and particularly relates to a hand-held advancing type rice transplanter which comprises a rack and a hand-held frame welded on one side of the rack, and a rice transplanting component and a material loading component are respectively mounted at the top of the rack; a telescopic assembly is fixed to the side, away from the hand-held frame, of the rack, a base plate is fixedly connected to the movable end of the telescopic assembly, a mounting cavity is formed in the base plate, a double-head driving assembly is mounted in the mounting cavity, and distance measuring barrier strips are mounted at the two movable ends of the double-head driving assembly correspondingly. According to the hand-held advancing type rice transplanter, when the rice transplanter is used for transplanting rice seedlings, the outward sides of the distance measuring barrier strips are in parallel contact with the planted rice seedlings, and the distance measuring barrier strips are used as reference points to control the rice transplanter to transplant the rice seedlings, so that the distance between every two rows of rice seedlings is more accurately controlled, and the full utilization of the field area is improved; the uniform distribution of seedling spacing is also ensured, so that the land utilization efficiency and the rice yield are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rice transplanters, in particular to a hand-held forward-moving rice transplanter. Background Art

[0002] In modern agricultural production, rice transplanting is a critical step in rice cultivation, and its efficiency and quality directly impact subsequent crop growth and ultimate yield. Traditional manual transplanting is not only labor-intensive and inefficient, but also difficult to ensure uniformity and accuracy, especially in large rice-growing areas. To improve transplanting efficiency and accuracy, hand-guided forward transplanters emerged, becoming a crucial tool in the mechanization of modern agriculture.

[0003] For most hand-held forward transplanters currently on the market, the row spacing adjustment usually relies on the operator's visual inspection and experience judgment. Manual judgment is not only easily affected by factors such as fatigue, light, and field of vision, resulting in poor consistency in row spacing settings, but also uneven distribution of row spacing of seedlings in the field, with some places being too dense and some places being too sparse. The inconsistent row spacing is not only not conducive to the full utilization of the field, but also not conducive to the healthy growth of the seedlings. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the inventors have conducted in-depth research and completed the present utility model after paying a lot of creative work.

[0005] Specifically, the technical problem to be solved by the present invention is to provide a hand-held forward-type rice transplanter to solve the technical problem that the current row spacing adjustment usually relies on the operator's visual observation and experience judgment, and the spacing cannot be accurately controlled.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A hand-held forward-type rice transplanter comprises a frame and a hand-held frame welded to one side of the frame, wherein the hand-held frame is provided with a travel wheel via a wheel frame, and a rice transplanting assembly and a material loading assembly are respectively provided on the top of the frame;

[0008] A telescopic assembly is fixed on the side of the frame away from the handrail, the movable end of the telescopic assembly is fixedly connected to a pad, an installation cavity is provided on the pad, a double-head drive assembly is installed inside the installation cavity, and the two movable ends of the double-head drive assembly are respectively installed with ranging bars.

[0009] As an improved technical solution, the pad and the side of the ranging baffle away from the frame are both integrally formed with an arc-shaped plate.

[0010] As an improved technical solution, the double-head drive assembly includes a mounting shaft rotatably installed in the middle of the mounting cavity, a gear is mounted on the mounting shaft, and racks for driving the movement of the ranging bar are limitedly slidably installed inside the mounting cavity and on both sides of the mounting shaft, and the racks are meshed with the gears.

[0011] As an improved technical solution, a slide is fixed inside the mounting cavity and on both sides of the rack, and sliders are slidably installed on the opposite surfaces of the two slides, and the rack is fixed on the slider, and one end of the slide is fixed on the ranging bar.

[0012] As an improved technical solution, a card seat is fixed inside the installation cavity, and a group of card slots are opened on the opposite surfaces of the two card seats. An extension strip is fixed on the opposite surface of the two ranging baffles and on the side close to the card seat, and an elastic strip is fixed at one end of the extension strip, and a card ball close to the card slot is fixed on the side of the elastic strip close to the card slot.

[0013] As an improved technical solution, the telescopic assembly includes a limit bin welded on the frame, the internal limit sliding installation of the limit bin is provided with a T-block, and the bottom of the T-block is fixedly connected to the pad.

[0014] As an improved technical solution, guide bars are fixed on both sides of the limit bin, and sliding grooves for limiting sliding with the guide bars are opened on both sides of the transverse end of the T-block, and blocks for blocking the transverse ends of the T-block are welded at the four corners of the bottom of the limit bin.

[0015] As an improved technical solution, threaded holes are provided inside the slide groove and at both ends of both sides of the limiting bin, and the limiting bin is threadedly mounted with locking bolts through the threaded holes provided thereon.

[0016] After adopting the above technical solution, the beneficial effects of the utility model are:

[0017] 1. The utility model can fold the pad upward when not in use to avoid damage caused by friction between the pad and the ground during normal walking, thereby protecting the pad and extending its service life.

[0018] 2. In the present invention, when the machine is used for transplanting rice seedlings, the outer side of the distance measuring bar is in parallel contact with the planted rice seedlings, and the distance measuring bar is used as a reference point to control the machine for transplanting rice seedlings, thereby achieving more accurate control of the spacing between each row of rice seedlings, thereby improving the full utilization of the field area and ensuring the uniform distribution of the spacing between the rice seedlings, thereby improving land use efficiency and rice yield.

[0019] 3. In the present invention, under the meshing transmission action of the rack and the gear, the movement of the rack on one side will drive the rack on the other side to move synchronously, thereby driving the two ranging bars to move simultaneously and adjusting the spacing between the two ranging bars. At the same time, when the ranging bar moves, it will also drive the elastic bar and the card ball thereon to adjust, and move the card ball to different card slots for engagement. The engagement of the card ball in different card slots means that different spacings are adjusted for the two ranging bars, and it is also ensured that after the adjustment is completed, the ranging bar is in a fixed state and will not move by itself. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0021] Figure 1 The utility model is a three-dimensional structural diagram of a hand-held forward-type rice transplanter.

[0022] Figure 2 The utility model is a structural schematic diagram of a pad of a hand-held forward-type rice transplanter.

[0023] Figure 3 The utility model is a schematic diagram of the top view of the double-head drive assembly of a hand-held forward rice transplanter.

[0024] Figure 4 The utility model is a schematic diagram of the exploded structure of the telescopic component of a hand-held forward-type rice transplanter.

[0025] Description of reference numerals:

[0026] 1. Frame; 11. Handrail; 12. Travel wheel; 13. Loading assembly; 14. Transplanting assembly; 2. Telescopic assembly; 21. Limit bin; 22. Guide bar; 23. Locking bolt; 24. Stop block; 25. T-block; 26. Slide groove; 27. Threaded hole; 3. Pad; 31. Mounting cavity; 32. Distance measuring bar; 33. Double-head drive assembly; 331. Mounting shaft; 332. Gear; 333. Slider; 334. Clamping seat; 335. Slide; 336. Rack; 337. Clamping slot; 338. Clamping ball; 339. Elastic strip; 34. Arc plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] At the same time, the meaning of "and / or" or "and / or" appearing in the full text includes three options. Taking "A and / or B" as an example, it includes option A, or option B, or an option in which both A and B are satisfied.

[0030] In addition, in this utility model, the descriptions of "first" and "second" are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features specified as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0031] like Figures 1 to 4 As shown together, the present embodiment provides a hand-held forward rice transplanter, which includes a frame 1 and a hand-held frame 11 welded to one side of the frame 1, a walking wheel 12 is installed on the hand-held frame 11 through a wheel frame, and a servo motor for driving the walking wheel 12 is also installed on the hand-held frame 11, and the servo motor and the walking wheel 12 are connected through a reducer. A rice transplanting assembly 14 and a loading assembly 13 are respectively installed on the top of the frame 1, and the rice transplanting assembly 14 and the loading assembly 13 are both existing mature technologies, so they are not described in detail;

[0032] A telescopic assembly 2 is fixed on the side of the frame 1 away from the handrail 11, and the movable end of the telescopic assembly 2 is fixedly connected to a pad 3. A mounting cavity 31 is provided on the pad 3. A double-headed drive assembly 33 is installed inside the mounting cavity 31, and the two movable ends of the double-headed drive assembly 33 are respectively installed with ranging bars 32, and a hand buckle groove is provided at the bottom of the ranging bar 32.

[0033] When using the machine for transplanting rice seedlings, the outer side of the distance measuring bar 32 is in parallel contact with the planted seedlings, and the distance measuring bar 32 is used as a reference point to control the machine for transplanting rice seedlings, thereby achieving more precise control of the spacing between each row of seedlings, thereby improving the full utilization of the field area and ensuring the uniform distribution of the seedling spacing, thereby improving land use efficiency and rice yield.

[0034] like Figures 1 to 2 As shown together, in this embodiment, the backing plate 3 and the distance measuring bar 32 are integrally formed with an arc-shaped plate 34 on the side away from the frame 1 .

[0035] like Figures 2 to 3 As shown together, in this embodiment, the double-head drive assembly 33 includes a mounting shaft 331 rotatably mounted in the middle of the mounting cavity 31, and a gear 332 is sleeved on the mounting shaft 331. Racks 336 for driving the movement of the ranging bar 32 are limitedly slidably mounted inside the mounting cavity 31 and on both sides of the mounting shaft 331, and the racks 336 are meshed with the gears 332. Under the meshing transmission action of the rack 336 and the gear 332, the movement of the rack 336 on one side will drive the rack 336 on the other side to move synchronously, thereby driving the two ranging bars 32 to move at the same time and adjusting the distance between the two ranging bars 32.

[0036] like Figures 2 to 3 As shown together, in this embodiment, a slide 335 is fixed inside the mounting cavity 31 and on both sides of the rack 336, and sliders 333 are slidably mounted on the opposite surfaces of the two slides 335, and the rack 336 is fixed on the slider 333, and one end of the slide 335 is fixed on the ranging bar 32, and the sliders 333 on both sides are correspondingly fixed on the two ranging bars 32, and one slider 333 drives one ranging bar 32.

[0037] like Figure 3 As shown, in this embodiment, a base 334 is fixed inside the mounting cavity 31, and the slide 335 is located between the bases 334 on both sides. A group of slots 337 are provided on the opposite surfaces of the two bases 334. An extension strip is fixed to the opposite surface of the two ranging bars 32 and close to the side of the base 334. An elastic strip 339 is fixed to one end of the extension strip. A locking ball 338 close to the slot 337 is fixed to the side of the elastic strip 339 close to the slot 337. When the ranging bar 32 moves, it will also drive the elastic strip 339 and the locking ball 338 thereon to adjust, and move the locking ball 338 to different slots 337 to engage with them. When the locking ball 338 is engaged with different slots 337, it means that the distances between the two ranging bars 32 are adjusted to different levels, and it is also ensured that the ranging bar 32 is in a fixed state and will not move by itself after the adjustment is completed.

[0038] like Figure 4As shown, in this embodiment, the telescopic assembly 2 includes a limit bin 21 welded to the frame 1, and the internal limit sliding installation of the limit bin 21 is a T-shaped block 25, and the bottom of the T-shaped block 25 is fixedly connected to the pad 3. When not in use, the pad 3 can be folded upward to avoid damage due to friction between the pad 3 and the ground during normal walking, and to protect the pad 3 to extend the service life of the pad 3.

[0039] like Figure 4 As shown, in this embodiment, guide bars 22 are fixed on both sides of the interior of the limit bin 21, and sliding grooves 26 for limiting sliding with the guide bars 22 are provided on both sides of the lateral ends of the T-block 25. Stop blocks 24 for blocking the lateral ends of the T-block 25 are welded at the four corners of the bottom of the limit bin 21. The setting of the stop blocks 24 prevents the T-block 25 from falling off from the interior of the limit bin 21.

[0040] like Figure 4 As shown, in this embodiment, threaded holes 27 are provided inside the slide groove 26 and at both ends of the limiting bin 21 , and the limiting bin 21 is threadedly mounted with locking bolts 23 through the threaded holes 27 provided thereon.

[0041] When in use, the seedlings are placed on the loading assembly 13, and the servo motor drives the running wheel 12 to rotate and drive the machine to move in the field. While moving, the transplanting assembly 14 is controlled to open, and the transplanting assembly 14 inserts the seedlings on the loading assembly 13 into the field;

[0042] When transplanting rice seedlings, the upper locking bolt 23 is rotated and removed to disengage the locking bolt 23 from the threaded hole 27 on the T-block 25. The T-block 25 falls to the bottom under the action of gravity. The locking bolt 23 is then screwed into the threaded holes 27 above and below the limit bin 21 and into the threaded holes 27 on the T-block 25. The T-block 25 is fixed to the inside of the limit bin 21 by the locking bolt 23, and the distance between the frame 1 and the pad 3 is expanded to the maximum and fixed. Conversely, the distance between the frame 1 and the pad 3 can be shortened to the minimum and fixed.

[0043] The process of adjusting the spacing between the two sides of the ranging bars 32 is as follows: hold the hand buckle slot below the ranging bar 32 with your hand, pull the ranging bar 32 outward, or push the ranging bar 32 inward. The ranging bar 32 will then drive the rack 336 to move through the slider 333. Under the meshing transmission action of the rack 336 and the gear 332, the movement of the rack 336 on one side will drive the rack 336 on the other side to move synchronously, thereby driving the two ranging bars 32 to move simultaneously and adjusting the spacing between the two ranging bars 32.

[0044] The outer side of the distance measuring bar 32 is in parallel contact with the planted seedlings, and the distance measuring bar 32 is used as a reference point to control the machine to transplant the seedlings, thereby achieving more accurate control of the distance between each row of seedlings.

[0045] It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of protection of the present invention. In addition, it should be understood that after reading the technical content of the present invention, those skilled in the art may make various changes, modifications and / or variations to the present invention, and all such equivalent forms also fall within the scope of protection defined by the appended claims of this application.

Claims

1. A hand-held forward-type rice transplanter, characterized in that: It comprises a frame (1) and a handrail (11) welded to one side of the frame (1); a walking wheel (12) is mounted on the handrail (11) via a wheel frame; and a rice transplanting assembly (14) and a material loading assembly (13) are respectively mounted on the top of the frame (1); A telescopic assembly (2) is fixed on a side of the frame (1) away from the handrail (11); a movable end of the telescopic assembly (2) is fixedly connected to a backing plate (3); a mounting cavity (31) is provided on the backing plate (3); a double-head drive assembly (33) is mounted inside the mounting cavity (31); and distance measuring bars (32) are respectively mounted on the two movable ends of the double-head drive assembly (33).

2. A hand-held forward-type rice transplanter according to claim 1, characterized in that: The pad (3) and the distance measuring baffle (32) are integrally formed with an arc-shaped plate (34) on the side away from the frame (1).

3. The hand-held forward-moving rice transplanter according to claim 2, characterized in that: The double-head drive assembly (33) comprises a mounting shaft (331) rotatably mounted in the middle of the mounting cavity (31); a gear (332) is sleeved on the mounting shaft (331); racks (336) for driving the distance measuring bar (32) to move are slidably mounted inside the mounting cavity (31) and on both sides of the mounting shaft (331); and the racks (336) are meshed with the gears (332).

4. The hand-held forward-moving rice transplanter according to claim 3, characterized in that: Slide seats (335) are fixed inside the installation cavity (31) and on both sides of the rack (336). Slide blocks (333) are slidably mounted on opposite surfaces of the two slide seats (335). The rack (336) is fixed on the slide blocks (333). One end of the slide seat (335) is fixed on the distance measuring bar (32).

5. The hand-held forward-moving rice transplanter according to claim 4, characterized in that: A card seat (334) is fixed inside the installation cavity (31), and a group of card slots (337) are provided on the opposite surfaces of the two card seats (334). An extension strip is fixed on the opposite surfaces of the two ranging bars (32) and on a side close to the card seat (334), and an elastic strip (339) is fixed at one end of the extension strip. A card ball (338) close to the card slot (337) is fixed on the side of the elastic strip (339) close to the card slot (337).

6. The hand-held forward-moving rice transplanter according to claim 5, characterized in that: The telescopic assembly (2) comprises a limit bin (21) welded to the frame (1); a T-shaped block (25) is installed in a limit sliding manner inside the limit bin (21); and the bottom of the T-shaped block (25) is fixedly connected to the pad (3).

7. The hand-held forward-type rice transplanter according to claim 6, characterized in that: Guide bars (22) are fixed on both sides of the interior of the limit bin (21), and sliding grooves (26) for limiting sliding with the guide bars (22) are opened on both sides of the transverse end of the T-shaped block (25), and stoppers (24) for blocking the transverse end of the T-shaped block (25) are welded at the four corners of the bottom of the limit bin (21).

8. The hand-held forward-moving rice transplanter according to claim 7, characterized in that: Threaded holes (27) are provided inside the slide groove (26) and at both ends of the limiting bin (21), and the limiting bin (21) is threadedly mounted with locking bolts (23) through the threaded holes (27) provided thereon.