A tractor-mounted adjustable row spacing and plant spacing transplanter
By designing a traction-type adjustable row and plant spacing transplanter, the row and plant spacing can be quickly adjusted using an electric wrench and gearbox, solving the problem of time-consuming and labor-intensive operation of existing transplanters and improving transplanting efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGZHOU HUAWEI MASCH CO LTD
- Filing Date
- 2025-07-23
- Publication Date
- 2026-06-26
AI Technical Summary
Existing transplanters require gear replacement when changing row spacing and plant spacing, which is time-consuming, labor-intensive, and inefficient.
The traction-type adjustable row and plant spacing transplanter uses an electric wrench to rotate a two-way screw to adjust the row spacing, a gearbox to adjust the plant spacing, and pulleys and sliders to automatically close the duckbill body, thus achieving rapid adjustment of row and plant spacing.
It enables quick and convenient adjustment of row spacing and plant spacing, reducing operation time and improving transplanting efficiency.
Smart Images

Figure CN224402189U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of transplanter technology, specifically a traction-type adjustable row and plant spacing transplanter. Background Technology
[0002] A transplanter, also known as a seedling guide tube transplanter, is an agricultural machine used for transplanting crop seedlings. It features good adaptability and low cost, and is suitable for transplanting bare seedlings and potted seedlings of various crops such as corn, cotton, and sugar beets. This equipment adopts a modular design and can be configured in 2-6 rows, adapting to small to medium-sized tractors. Core components include a rotary cup feeder, seedling guide tube, and V-shaped press wheels. It reduces seedling damage through a non-forced conveying mechanism. However, existing transplanters still have certain shortcomings in use, such as…
[0003] Existing transplanters require gear replacement when changing row spacing and plant spacing. The gear transmission ratio is changed to adjust the speed of the turntable at the duckbill, which is time-consuming and labor-intensive. Summary of the Invention
[0004] The purpose of this invention is to provide a traction-type adjustable row and plant spacing transplanter to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a traction-type adjustable row and plant spacing transplanter, comprising a traction frame for traction, a transplanting frame for support slidably connected to the traction frame, a support arm rotatably connected to the transplanting frame via a hollow shaft, a wheel for movement rotatably connected inside the support arm via a rotating shaft, a transmission mechanism for transmission on the wheel, and an adjustment mechanism for adjustment on the support arm;
[0006] The adjustment mechanism includes rollers for reducing friction that are rotatably connected to the transplanter frame via bearings. The rollers abut against the traction frame. The transplanter frame is threaded with a bidirectional lead screw for driving the transplanter frame to slide. The bidirectional lead screw is connected to the traction frame through a bearing.
[0007] Preferably, the outer cylinder connected to the traction frame for support has an inner rod slidably connected inside the outer cylinder for installing a connecting plate. An inner rod for moving the connecting plate is rotatably connected to the outer side of the inner rod. A connecting plate for rotating the support arm is connected to the outer side of the inner rod. The connecting plate is connected to the support arm. A threaded shank is connected through a bearing on the inner wall of the outer cylinder. The threaded shank is threaded into a threaded groove inside the inner rod.
[0008] Preferably, the transmission mechanism includes a sprocket set a connected to the wheel axle for driving the transmission shaft a to rotate, and a transmission shaft a for driving the sprocket set b to rotate is connected through the sprockets of the sprocket set a. The transmission shaft a is supported and rotatably connected to a hollow shaft in the support arm.
[0009] Preferably, a sprocket set b is connected to the outer side of the drive shaft a for driving the drive rod a to rotate, and the drive rod a for driving the gear set in the gearbox to rotate is connected through the sprocket of the sprocket set b. The back of the drive rod a is connected to a gearbox for changing speed, and the gearbox is connected to the traction frame.
[0010] Preferably, the output end of the gearbox is connected to a transmission rod b for driving the sprocket set c to rotate. The outer side of the transmission rod b is connected to a sprocket set c for driving the transmission shaft b to rotate. The sprocket set c is internally connected to a transmission rod c for driving the sprocket set e to rotate. The transmission rod c is rotatably connected to the traction frame, and the transmission rod c is also connected to a sprocket set e for driving the transmission shaft b to rotate. The sprocket set e is internally connected to a transmission shaft b for driving the sprocket set d to rotate. A seedling insertion mechanism for inserting seedlings is provided on the back of the transmission shaft b. The outer side of the transmission shaft b near the front of the sprocket set c is connected to a sprocket set d for driving the right-angle converter to rotate.
[0011] Preferably, the back of the sprocket of the sprocket assembly d is connected to a right-angle converter for driving the drive sprocket to rotate. A support plate is connected above the right-angle converter. The support plate is connected to the inner wall of the transplanter, and a discharge port is opened in the support plate. The output end of the right-angle converter passes through a strip groove on the inner wall of the support plate and is connected to a drive sprocket for driving the seedling cups to move. A driven chain is meshed with the outer side of the drive sprocket. A seedling cup for feeding is connected to the driven chain. A driven sprocket is meshed with the driven chain away from the drive sprocket. The driven sprocket is slidably connected in a groove on the upper surface of the support plate. A support arm for support is connected to the outer side of the driven sprocket through a bearing. A lead screw frame is rotatably connected to one side of the support arm. An internal threaded frame for support is threaded to the outer side of the lead screw frame. The internal threaded frame is connected to the upper surface of the support plate.
[0012] Preferably, the seedling insertion mechanism includes a duckbill fixing plate connected to the back of the drive shaft b for mounting the duckbill body, a deflecting rod rotatably connected to the inner wall of the duckbill fixing plate via a bracket for driving the deflecting plate to rotate, a deflecting plate rotatably connected to the front of the deflecting rod via a bracket for guiding the deflecting rod, a roller abutting against the inner wall of the deflecting plate, and the roller rotatably connected to the inner wall of the transplanting frame via a bearing.
[0013] Preferably, the back of the deflection rod is connected to a duckbill body for transplantation, and a pulley for opening the duckbill body is rotatably connected to the inner wall of the duckbill body via a bearing. The outer side of the pulley is abutted against a slider for moving the pulley, and the slider is connected to the duckbill fixing plate.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. Adjust the row spacing of the two rows of seedlings by rotating the double-ended screw with an electric wrench;
[0016] 2. Adjust the spacing between adjacent groups of seedlings by controlling the gearbox to change the speed of the duckbill fixing plate;
[0017] 3. The duckbill body automatically closes when it is in the upper position by the pulley and the slider, allowing the seedling to be placed in. After the duckbill body is inserted into the soil, it automatically opens to place the seedling into the soil. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of the traction frame of this utility model;
[0019] Figure 2 This is a schematic diagram of the sprocket assembly a-body structure of this utility model;
[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the outer cylinder of this utility model;
[0021] Figure 4 This is a three-dimensional structural diagram of the bias plate of this utility model;
[0022] Figure 5 This is a schematic diagram of the three-dimensional cross-sectional structure of the inner rod of this utility model;
[0023] Figure 6 This is a three-dimensional structural diagram of the duckbill fixing disc of this utility model;
[0024] Figure 7 This is a side view of the right-angle converter of this utility model.
[0025] Figure 8 This is a schematic diagram of the rear view of the seedling cup structure of this utility model;
[0026] Figure 9 This is a schematic diagram of the main structure of the duckbill body of this utility model;
[0027] Figure 10 This is a three-dimensional structural diagram of the duckbill body of this utility model.
[0028] In the diagram: 1. Traction frame; 2. Transplanting frame; 3. Support arm; 4. Wheel; 5. Adjustment mechanism; 501. Connecting plate; 502. Inner rod; 503. Outer cylinder; 504. Threaded shank; 505. Double-acting lead screw; 506. Roller; 6. Transmission mechanism; 601. Sprocket assembly a; 602. Drive shaft a; 603. Sprocket assembly b; 604. Drive rod a; 605. Gearbox; 606. Drive rod b; 607. Sprocket assembly c; 608. Drive shaft b; 6 09. Sprocket assembly d; 610. Right-angle converter; 611. Drive sprocket; 612. Transmission rod c; 613. Sprocket assembly e; 71. Support plate; 72. Seedling cup; 73. Through port; 74. Driven chain; 75. Driven sprocket; 76. Screw frame; 77. Internal thread frame; 78. Support arm; 8. Seedling insertion mechanism; 801. Deflector plate; 802. Deflector rod; 803. Duckbill fixing plate; 804. Duckbill body; 805. Pulley; 806. Slider. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0030] Please see Figures 1-3 This utility model provides a technical solution: a traction-type adjustable row and plant spacing transplanter, including a traction frame 1 for traction, a transplanting frame 2 for support slidably connected to the traction frame 1, a support arm 3 rotatably connected to the transplanting frame 2 via a hollow shaft, a wheel 4 for movement rotatably connected inside the support arm 3 via a rotating shaft, a transmission mechanism 6 for transmission on the wheel 4, and an adjustment mechanism 5 for adjustment on the support arm 3.
[0031] The transmission mechanism 6 includes a sprocket set a601 connected to the axle of the wheel 4 for driving the transmission shaft a602 to rotate. The transmission shaft a602 for driving the sprocket set b603 to rotate is connected through the sprocket of the sprocket set a601. The transmission shaft a602 is rotatably connected through and rotatably connected to the hollow shaft in the support arm 3 by a support.
[0032] This towed, adjustable row and plant spacing transplanter has a tow frame 1 installed on a tractor. Pushing the tow frame 1 causes the wheels 4 to roll on the ground. The wheels 4 drive the sprocket set a601 to rotate, which in turn drives the drive shaft a602 to rotate.
[0033] exist Figure 2 and Figure 3In the middle, the outer side of the drive shaft a602 is connected to a sprocket set b603 for driving the drive rod a604 to rotate. The drive rod a604 for driving the gear set inside the gearbox 605 to rotate is connected through the sprocket of the sprocket set b603. The back of the drive rod a604 is connected to the gearbox 605 for changing speed. The gearbox 605 is connected to the traction frame 1.
[0034] This traction-type adjustable row and plant spacing transplanter has a drive shaft a602 that drives the sprocket set b603 and the drive rod a604 to rotate when it rotates, thereby driving the gear set in the gearbox 605 to rotate. After the gearbox 605 changes speed, it drives the drive rod b606 to rotate.
[0035] exist Figure 2 and Figure 3 In the transmission, the output end of the gearbox 605 is connected to a transmission rod b606 for driving the sprocket set c607 to rotate. The outer side of the transmission rod b606 is connected to the sprocket set c607 for driving the drive shaft b608 to rotate. The sprocket set c607 has a transmission rod c612 for driving the sprocket set e613 to rotate through it. The transmission rod c612 is rotatably connected to the traction frame 1, and the transmission rod c612 is also connected to the sprocket set e613 for driving the drive shaft b608 to rotate. The sprocket set e613 has a drive shaft b608 for driving the sprocket set d609 to rotate through it. The back of the drive shaft b608 is provided with a seedling insertion mechanism 8 for inserting seedlings. The outer side of the drive shaft b608 near the front of the sprocket set c607 is connected to the sprocket set d609 for driving the right angle converter 610 to rotate.
[0036] This traction-type adjustable row and plant spacing transplanter uses a drive rod b606 to drive a sprocket set c607 and a drive rod c612. The drive rod c612 drives a sprocket set e613 and a drive shaft b608 to rotate. The drive shaft b608 drives a sprocket set d609 to rotate.
[0037] exist Figures 2-4 , Figure 7 and Figure 8In the middle, the back of the sprocket of the sprocket assembly d609 is connected to a right-angle converter 610 for driving the drive sprocket 611 to rotate. Above the right-angle converter 610 is a support plate 71 for support. The support plate 71 is connected to the inner wall of the transplanter 2, and the support plate 71 has a through-hole 73 for feeding. The output end of the right-angle converter 610 passes through the strip groove on the inner wall of the support plate 71 and is connected to the drive sprocket 611 for driving the seedling cup 72 to move. The outer side of the drive sprocket 611 is engaged with a driven chain. 74. A seedling cup 72 for feeding is connected to the driven chain 74. A driven sprocket 75 is meshed on the driven chain 74 away from the drive sprocket 611. The driven sprocket 75 is slidably connected in a groove on the upper surface of the pallet 71. A support arm 78 for support is connected to the outer side of the driven sprocket 75 through a bearing. A lead screw frame 76 is rotatably connected to one side of the support arm 78. An internal threaded frame 77 for support is threaded to the outer side of the lead screw frame 76. The internal threaded frame 77 is connected to the upper surface of the pallet 71.
[0038] This traction-type adjustable row and plant spacing transplanter uses a sprocket set d609 to drive two sets of bevel gears in a right-angle converter 610 to rotate, which in turn drives the drive sprocket 611 to rotate, causing the driven chain 74 to pull the seedling cup 72 to move. A groove is opened on the upper surface of the support plate 71 to guide the driven sprocket 75. The driven sprocket 75 is rotatably connected to the support arm 78 through a bearing, and one side of the support arm 78 is rotatably connected to the screw rod frame 76 through a bearing. By rotating the screw rod frame 76, the support arm 78 is pushed to move within the internal thread frame 77, thereby causing the driven sprocket 75 to tension the driven chain 74. Both ends of the internal thread frame 77 are provided with support arms 78 and screw rod frames 76, and another set of support arms 78 is connected to the outside of the right-angle converter 610.
[0039] A ring of seedling cups 72 is installed on the drive sprocket 611. Only one set is shown here. Two sets of trays 71 and components connected to the trays 71 are symmetrically installed on the traction frame 1. Two rows of seedlings are transplanted at the same time. Only one set is shown here.
[0040] exist Figures 1-3 and Figure 5 In the middle, the outer side of the support arm 3 is connected to a connecting plate 501 for installing the inner rod 502. The two sets of connecting plates 501 are rotatably connected to the inner rod 502 for driving the support arm 3 to rotate through a rotating shaft. The outer side of the inner rod 502 is slidably connected to an outer cylinder 503 for supporting the inner rod 502. The outer cylinder 503 is connected to the traction frame 1. The inner wall of the outer cylinder 503 is connected to a threaded shank 504 through a bearing. The threaded shank 504 is threaded into the threaded groove in the inner rod 502.
[0041] This traction-type adjustable row and plant spacing transplanter rotates the threaded handle 504 to drive the inner rod 502 to slide inside the outer cylinder 503, pushing the support arm 3 to rotate and lifting the wheel 4 off the ground or into contact with the ground.
[0042] exist Figure 1 In the transplanter 2, a roller 506 for reducing friction is rotatably connected to the inside of the transplanter 2 via a bearing. The roller 506 abuts against the traction frame 1. A double-ended lead screw 505 for driving the transplanter 2 to slide is threaded inside the transplanter 2. The double-ended lead screw 505 is connected to the traction frame 1 through a bearing.
[0043] This traction-type adjustable row and plant spacing transplanter uses an electric wrench to rotate the two-way lead screw 505, which drives the two sets of transplanting frames 2 to slide along the traction frame 1, adjusting the position of the two duckbill bodies 804, thereby adjusting the plant spacing.
[0044] exist Figure 6 , Figure 9 and Figure 10 In the middle, the back of the drive shaft b608 is connected to a duckbill fixing plate 803 for mounting the duckbill body 804. The inner wall of the duckbill fixing plate 803 is rotatably connected to a deflecting rod 802 for driving the deflecting plate 801 to rotate via a bracket. The front part of the deflecting rod 802 is rotatably connected to a deflecting plate 801 for guiding the deflecting rod 802 via a bracket. The inner wall of the deflecting plate 801 is abutted against a roller, and the roller is rotatably connected to the inner wall of the transplanter 2 via a bearing.
[0045] This traction-type adjustable row and plant spacing transplanter uses a duckbill fixing disc 803 to rotate, which drives the deflector 802 to rotate between the duckbill fixing disc 803 and the deflector 801, keeping the duckbill body 804 always facing downwards. When the duckbill body 804 moves to the bottom of the duckbill fixing disc 803, it is inserted into the soil. The rotation speed of the duckbill fixing disc 803 is adjusted by changing the speed of the gearbox 605, thereby adjusting the distance between two adjacent groups of seedlings.
[0046] exist Figure 6 , Figure 9 and Figure 10 In the middle, the back of the deflection rod 802 is connected to the duckbill body 804 for transplanting. The inner wall of the duckbill body 804 is rotatably connected to the pulley 805 for driving the duckbill body 804 to open via a bearing. The outer side of the pulley 805 abuts against the slider 806 for driving the pulley 805 to move. The slider 806 is connected to the duckbill fixing plate 803.
[0047] When the traction-type adjustable row and plant spacing transplanter is at the high position of the duckbill body 804 and the duckbill fixing plate 803, the pulley 805 abuts against the narrower part of the slider 806, and the tension spring on the duckbill body 804 pulls the duckbill body 804 to close. At this time, the seedling in the seedling cup 72 falls into the duckbill body 804 from the opening 73. When the duckbill body 804 is at the low position of the duckbill fixing plate 803, the pulley 805 abuts against the wider part of the slider 806, opening the duckbill body 804, inserting the seedling into the soil, and then covering it with soil by the covering wheel.
[0048] In summary: When using this type of traction-type adjustable row and plant spacing transplanter, firstly, connect the traction frame 1 to the tractor, use an electric wrench to rotate the double-sided lead screw 505 to adjust the spacing between the two rows of seedlings, adjust the gearbox 605 to change speed to control the spacing between adjacent groups of seedlings, then rotate the threaded handle 504 to bring the wheel 4 into contact with the ground, drop seedlings into multiple seedling cups 72, and use the tractor to drag the device. When the seedling cup 72 moves above the opening 73, the seedling falls into the duckbill body 804. After the duckbill fixing plate 803 is inserted into the soil, it opens, and the seedling is placed in the soil, and then the soil is pressed down by the covering wheel. The contents not described in detail in this description belong to the prior art known to those skilled in the art.
Claims
1. A traction-type adjustable row and plant spacing transplanter, characterized in that: It includes a traction frame (1) for traction, a transplanting frame (2) for support slidably connected to the traction frame (1), a support arm (3) rotatably connected to the transplanting frame (2) via a hollow shaft, a wheel (4) for movement rotatably connected inside the support arm (3) via a rotating shaft, a transmission mechanism (6) for transmission on the wheel (4), and an adjustment mechanism (5) for adjustment on the support arm (3). The adjustment mechanism (5) includes a roller (506) for reducing friction, which is rotatably connected to the transplanter (2) via a bearing. The roller (506) abuts against the traction frame (1). The transplanter (2) is threadedly connected to a bidirectional screw (505) for driving the transplanter (2) to slide. The bidirectional screw (505) is connected to the traction frame (1) through a bearing.
2. The traction-type adjustable row and plant spacing transplanter according to claim 1, characterized in that: The outer cylinder (503) for support is connected to the traction frame (1). An inner rod (502) for installing a connecting plate (501) is slidably connected inside the outer cylinder (503). An inner rod (502) for driving the connecting plate (501) to move is rotatably connected to the outer side of the inner rod (502). A connecting plate (501) for driving the support arm (3) to rotate is connected to the outer side of the inner rod (502). The connecting plate (501) is connected to the support arm (3). A threaded shank (504) is connected through a bearing on the inner wall of the outer cylinder (503). The threaded shank (504) is threaded into the threaded groove inside the inner rod (502).
3. The traction-type adjustable row and plant spacing transplanter according to claim 1, characterized in that: The transmission mechanism (6) includes a sprocket set a (601) connected to the wheel (4) shaft for driving the transmission shaft a (602) to rotate. The sprocket set a (601) has a transmission shaft a (602) for driving the sprocket set b (603) to rotate through the sprocket. The transmission shaft a (602) is rotatably connected to a hollow shaft in the support arm (3) by a support.
4. A traction-type adjustable row and plant spacing transplanter according to claim 3, characterized in that: The outer side of the drive shaft a (602) is connected to a sprocket set b (603) for driving the drive rod a (604) to rotate. The drive rod a (604) for driving the gear set inside the gearbox (605) is connected through the sprocket of the sprocket set b (603). The back of the drive rod a (604) is connected to the gearbox (605) for changing speed. The gearbox (605) is connected to the traction frame (1).
5. A traction-type adjustable row and plant spacing transplanter according to claim 4, characterized in that: The output end of the gearbox (605) is connected to a transmission rod b (606) for driving the sprocket set c (607) to rotate. The outer side of the transmission rod b (606) is connected to the sprocket set c (607) for driving the transmission shaft b (608) to rotate. The sprocket set c (607) has a transmission rod c (612) for driving the sprocket set e (613) to rotate through the sprocket. The transmission rod c (612) is rotatably connected to the traction frame (1). The drive shaft b (608) is also connected to a sprocket set e (613) for rotating the drive shaft b (608). The drive shaft b (608) for rotating the drive shaft set d (609) is connected through the sprocket of the drive shaft set e (613). The back of the drive shaft b (608) is provided with a seedling insertion mechanism (8) for inserting seedlings. The drive shaft b (608) near the front of the drive shaft set c (607) is connected to the outer side of the drive shaft b (608) for rotating the right angle converter (610).
6. A traction-type adjustable row and plant spacing transplanter according to claim 5, characterized in that: The sprocket assembly d (609) has a right-angle converter (610) connected to the back of the sprocket for driving the drive sprocket (611) to rotate. A support plate (71) is connected above the right-angle converter (610). The support plate (71) is connected to the inner wall of the transplanter (2), and a discharge port (73) is opened in the support plate (71). The output end of the right-angle converter (610) passes through the strip groove on the inner wall of the support plate (71) and is connected to the drive sprocket (611) for driving the seedling cup (72) to move. A driven chain (74) is meshed with the outer side of the drive sprocket (611). A seedling cup (72) for feeding is connected to the driven chain (74). A driven sprocket (75) is meshed on the driven chain (74) away from the drive sprocket (611). The driven sprocket (75) is slidably connected in a groove on the upper surface of the pallet (71). A support arm (78) for support is connected to the outer side of the driven sprocket (75) through a bearing. A screw rod frame (76) is rotatably connected to one side of the support arm (78). An internal thread frame (77) for support is threaded to the outer side of the screw rod frame (76). The internal thread frame (77) is connected to the upper surface of the pallet (71).
7. A traction-type adjustable row and plant spacing transplanter according to claim 5, characterized in that: The seedling insertion mechanism (8) includes a duckbill fixing plate (803) for installing the duckbill body (804) connected to the back of the drive shaft b (608). A deflecting rod (802) for driving the deflecting plate (801) to rotate is rotatably connected to the inner wall of the duckbill fixing plate (803) via a bracket. A deflecting plate (801) for guiding the deflecting rod (802) is rotatably connected to the front of the deflecting rod (802) via a bracket. A roller abuts against the inner wall of the deflecting plate (801). The roller is rotatably connected to the inner wall of the transplanting frame (2) via a bearing.
8. A traction-type adjustable row and plant spacing transplanter according to claim 7, characterized in that: The back of the deflecting rod (802) is connected to a duckbill body (804) for transplantation. A pulley (805) for opening the duckbill body (804) is rotatably connected to the inner wall of the duckbill body (804) via a bearing. A slider (806) for moving the pulley (805) is abutted against the outer side of the pulley (805). The slider (806) is connected to the duckbill fixing plate (803).