Hand-held electric corn planter

Abstract

The application discloses a hand-held electric corn seeder, which comprises a frame, a driving mechanism, a caterpillar chassis, a movable frame, a lifting mechanism and a duckbill type seed metering device, the caterpillar chassis is arranged at the bottom of the frame, the driving mechanism is arranged on the frame and is connected with the caterpillar chassis, the movable frame is movably arranged at the rear side of the frame, the duckbill type seed metering device is arranged on the movable frame, the lifting mechanism is arranged on the frame and is used for lifting the movable frame to adjust the height of the duckbill type seed metering device, and the top rear side of the frame is provided with a handle. The hand-held electric corn seeder is suitable for small-scale seeding, can conveniently adjust the suitable seeding depth, and is easy and efficient to operate.

Description

Technical Field

[0001] This invention relates to the field of seeding equipment, and in particular to a walk-behind electric corn planter. Background Technology

[0002] Conventional push-type corn planters use a single duckbill seed metering device, which is manually pushed forward and rotated to sow seeds. While this method is simple and convenient, it is difficult to adjust the appropriate sowing depth according to the actual situation. In small-scale land planting, it is inconvenient to control the sowing depth by manually pushing the planter, and the operator is prone to fatigue and the efficiency is low. Summary of the Invention

[0003] To address the above problems, this invention provides a hand-held electric corn planter, suitable for small-scale planting, easy to adjust the appropriate planting depth, and easy and efficient to operate.

[0004] The technical solution of the present invention is as follows:

[0005] A hand-held electric corn planter includes a frame, a drive mechanism, a tracked chassis, a movable frame, a lifting mechanism, and a duckbill seed metering device. The tracked chassis is located at the bottom of the frame, and the drive mechanism is located on the frame and drives the tracked chassis. The movable frame is movably located at the rear of the frame, and the duckbill seed metering device is located on the movable frame. The lifting mechanism is located on the frame and is used to raise and lower the movable frame to adjust the height of the duckbill seed metering device. A push handle is provided on the top rear side of the frame.

[0006] In a further technical solution, the movable frame is hinged to the machine frame via a connecting block, and the lifting mechanism includes a telescopic electric cylinder, one end of which is hinged to the machine frame, and the other end is hinged to the end of the connecting block away from the machine frame.

[0007] In a further technical solution, a counterweight is provided on the front side of the frame.

[0008] In a further technical solution, the drive mechanism includes a motor, a reducer, and an axle. The axle is located in the middle of the bottom of the frame. The motor drives and connects to the axle through the reducer. The two ends of the axle drive and connect to the drive wheels of the tracked chassis. The push handle is equipped with a control module electrically connected to the motor for adjusting the motor speed.

[0009] A further technical solution also includes a limiting mechanism, which comprises a limiting plate, a mounting plate, a guide sleeve, a limiting rod, a connecting rod, and a pull cable. The limiting plate is located on the inner side of the tracked chassis and has a limiting hole. The mounting plate is located at the bottom of the frame. The guide sleeve is axially perpendicular to the limiting plate and is located at the bottom of the mounting plate. One end of the connecting rod is hinged to the bottom of the mounting plate away from the guide sleeve, and the other end is hinged to the limiting rod. The end of the limiting rod passes through the guide sleeve and can be aligned with the limiting hole. The push handle is provided with a pressure handle that can pull the pull cable. The two ends of the pull cable are respectively connected to the pressure handle and the middle of the connecting rod.

[0010] In a further technical solution, the movable frame includes a seed metering device bracket, a mounting block, and a spring. The duckbill-type seed metering device is rotatably mounted on the seed metering device bracket via a central shaft. The mounting block is connected to a connecting block. The front side of the seed metering device bracket is provided with an extension rod that is hinged to the bottom side of the mounting block. The top front side of the seed metering device bracket is provided with a hinge block. One end of the spring is connected to the top side of the mounting block, and the other end is hinged to the hinge block.

[0011] In a further technical solution, a lithium battery for powering the motor is provided on the top of the frame.

[0012] In a further technical solution, a crossbar is provided between the connecting block and the mounting block of the frame, and the mounting block is connected to the crossbar by a U-bolt plate fixing structure.

[0013] In a further technical solution, the front end of the tracked chassis is tilted upwards at an angle.

[0014] In a further technical solution, the bottom of the mounting plate is provided with a stop to limit the pull wire, so that the pulling direction of the pull wire is consistent with the guiding direction of the guide sleeve.

[0015] The beneficial effects of this invention are:

[0016] 1. The tracked chassis is driven by a drive mechanism to move smoothly forward in the sowing area. During the process, the duckbill seed metering device mounted on the movable frame can be rotated to sow seeds. Before sowing, the height of the duckbill seed metering device can be adjusted by the lifting mechanism to change the sowing depth according to the actual sowing needs. The duckbill seed metering device rotates around the center, and each duckbill can be inserted into the soil for sowing. The seeder is electrically driven, which can meet the needs of small-scale planting and save energy and labor.

[0017] 2. The counterweights installed on the front of the frame can maintain the balance of the center of gravity during the sowing process;

[0018] 3. After pressing the handle, the connecting rod can be pulled by the cable in a short stroke, which will drive the limit rod through the guide sleeve and into the limit hole to limit the track, making the transport of the seeder more stable. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of the hand-held electric corn planter according to an embodiment of the present invention;

[0020] Figure 2 This is a bottom view schematic diagram of the hand-held electric corn planter described in an embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram of the rear half of the hand-held electric corn planter described in an embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the inner side of the tracked chassis according to an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the limiting mechanism described in an embodiment of the present invention.

[0024] Explanation of reference numerals in the attached figures:

[0025] 10. Frame; 11. Connecting block; 12. Crossbar; 13. Counterweight; 21. Triangular track wheel; 22. Chassis frame; 31. Motor; 32. Reducer; 33. Axle; 41. Seed metering device bracket; 42. Mounting block; 43. Spring; 44. U-bolt; 45. Extension rod; 50. Telescopic electric cylinder; 60. Push handle; 70. Duckbill seed metering device; 80. Housing; 90. Limiting mechanism; 91. Limiting plate; 92. Mounting plate; 93. Guide sleeve; 94. Limiting rod; 95. Connecting rod; 96. Pull cable; 97. Limiting hole; 98. Stop block. Detailed Implementation

[0026] The embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0027] Example:

[0028] like Figures 1-4 As shown, a hand-held electric corn planter includes a frame 10, a drive mechanism, a tracked chassis, a movable frame, a lifting mechanism, and a duckbill seed metering device 70. The tracked chassis is used for the planter to move and may include triangular track wheels 21 and a chassis frame 22. The chassis frame 22 supports the triangular track wheels 21 and is respectively located on both sides of the bottom of the frame 10. The drive mechanism includes a motor 31, a reducer 32, and an axle 33. The axle 33 is located in the middle of the bottom of the frame 10. The motor 31 is mounted on the frame 10 and drives the axle 33 through the reducer 32. The two ends of the axle 33 drive the drive wheels of the tracked chassis.

[0029] Connecting blocks 11 are provided on both rear sides of the frame 10. The bottom end of the connecting block 11 is hinged to the frame 10. A crossbar 12 is welded or bolted to the bottom end of the connecting block 11 away from the frame 10. The movable frame includes multiple seed metering device brackets 41, mounting blocks 42, and springs 43. The duckbill seed metering device 70 has a central shaft in the middle as a pivot, which is rotatably mounted on the seed metering device bracket 41. A pad can be welded to the back of the bottom of the mounting block 42. The pad is fixed to the crossbar 12 by U-bolts 44. This setting allows the mounting block 42 to be disassembled relative to the crossbar 12, thereby disassembling the movable frame as a whole. The front side of the seed metering device bracket 41 is provided with an extension rod 45 that is hinged to the bottom side of the mounting block 42. The top of the front side of the seed metering device bracket 41 is provided with a hinge block corresponding to the end of the extension rod 45 away from the mounting block 42. The top of the mounting block 42 faces the seed metering device bracket 41. One side of the seeder bracket 41 is bent, and one end of the spring 43 is connected to the top of the mounting block 42, while the other end is hinged to the hinge block. The lifting mechanism can be a telescopic electric cylinder 50, with one end of the telescopic electric cylinder 50 hinged to the frame 10 and the other end hinged to the top of the connecting block 11. A push handle 60 is provided on the rear top of the frame 10, and a control module is provided on the push handle 60. The control module may include a PWM speed controller electrically connected to the motor 31 and a double-pole double-throw switch electrically connected to the telescopic electric cylinder 50. The PWM speed controller can adjust the average voltage by rapidly switching the current, thereby controlling the speed of the motor 31. The double-pole double-throw switch can control the forward and reverse rotation of the electric cylinder, thereby adjusting the telescopic movement. The top of the frame 10 is provided with lithium batteries that supply power to the motor 31 and the telescopic electric cylinder 50, respectively. The lithium batteries are housed in a box 80. The circuit of the above-mentioned electrical control equipment is prior art and will not be described in detail here.

[0030] The working principle of the above technical solution is as follows:

[0031] Before use, adjust the telescopic length of the telescopic cylinder 50 according to the sowing requirements. When the telescopic cylinder 50 extends, it pushes the top of the connecting block 11 to rotate towards the rear of the frame 10, causing the seed metering bracket 41 and the duckbill seed metering device 70 to press down. The opposite is true when the telescopic cylinder 50 shortens. After adjusting the sowing depth of the duckbill seed metering device 70 in the above manner, start the motor 31. The motor 31 drives the triangular track wheels 21 on both sides to run simultaneously through the reducer 32 and the axle 33. With the operator's support of the push handle 60, the device moves forward. During the forward movement, the duckbill seed metering device... The seeder 70 rotates around its central axis to sow seeds due to soil resistance. For uneven terrain, the duckbill seed meterer 70 can rotate appropriately relative to the mounting block 42 through the extension rod 45 on the seed meterer bracket 41 under soil compression. Under the action of the spring 43, the duckbill seed meterer 70 is kept sowing at a relatively uniform depth. This structure enhances the adaptability to the sowing terrain and better controls the uniformity of the sowing depth. After sowing, the telescopic electric cylinder 50 can be adjusted to retract and lift the seed meterer bracket 41, so that the duckbill seed meterer 70 leaves the soil and stops rotating for sowing.

[0032] In another embodiment, such as Figure 1 As shown, a counterweight 13 is provided on the front side of the frame 10.

[0033] The counterweight 13 set on the front side of the frame 10, together with the operator's support, helps to achieve balance of the center of gravity during the sowing process, and is less likely to tilt forward or lean forward.

[0034] In another embodiment, such as Figure 2 , Figure 4 and Figure 5 As shown, based on the above embodiment, the seeder also includes a limiting mechanism 90. The limiting mechanism 90 includes a limiting plate 91, a mounting plate 92, a guide sleeve 93, a limiting rod 94, a connecting rod 95, and a pull wire 96. The limiting plate 91 is located on the inner side of the chassis frame 22, and a limiting hole 97 is provided on the limiting plate 91. The mounting plate 92 is horizontally located at the bottom of the frame 10. The guide sleeve 93 is axially perpendicular to the limiting plate 91 and located at the bottom of the mounting plate 92. One end of the connecting rod 95 is hinged to the mounting plate. The bottom of plate 92 is away from the guide sleeve 93 on one side, and the other end is hinged to the limiting rod 94. The end of the limiting rod 94 passes through the guide sleeve 93 and can be aligned with the limiting hole 97. The push handle 60 is provided with a pressure handle that can pull the pull wire 96. The two ends of the pull wire 96 are respectively connected to the pressure handle and the middle of the connecting rod 95. The bottom of the mounting plate 92 is provided with a stop block 98 that limits the pull wire 96. The pull wire 96 passes through the stop block 98 so that the pulling direction of the pull wire 96 is consistent with the guiding direction of the guide sleeve 93.

[0035] The lever works similarly to a bicycle brake lever. By leveraging the pull cable 96, pressing the lever will cause the connecting rod 95 to be pulled in a short stroke via the pull cable 96. This will cause the limiting rod 94 to pass through the guide sleeve 93 and into the limiting hole 97, thus limiting the movement of the track and making the transport of the seeder more stable.

[0036] In another embodiment, Figure 1 and Figure 4 As shown, the triangular track wheel 21 uses a narrow track as its walking device, with the front end tilted upwards, which can enable it to cross larger slopes and embankments.

[0037] The embodiments described above are merely illustrative of specific implementations of the present invention, and while the descriptions are detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. A hand-held electric corn planter, characterized in that, The device includes a frame, a drive mechanism, a tracked chassis, a movable frame, a lifting mechanism, and a duckbill seed metering device. The tracked chassis is located at the bottom of the frame, and the drive mechanism is located on the frame and drives the tracked chassis. The movable frame is movably located at the rear of the frame, and the duckbill seed metering device is located on the movable frame. The lifting mechanism is located on the frame and is used to raise and lower the movable frame to adjust the height of the duckbill seed metering device. A push handle is provided on the top rear side of the frame.

2. The hand-held electric corn planter according to claim 1, characterized in that, The movable frame is hinged to the machine frame via a connecting block. The lifting mechanism includes a telescopic electric cylinder, one end of which is hinged to the machine frame, and the other end is hinged to the end of the connecting block away from the machine frame.

3. The hand-held electric corn planter according to claim 1, characterized in that, The front side of the frame is equipped with a counterweight.

4. The hand-held electric corn planter according to claim 1, characterized in that, The drive mechanism includes a motor, a reducer, and an axle. The axle is located in the middle of the bottom of the frame. The motor drives and connects to the axle through the reducer. The two ends of the axle drive and connect to the drive wheels of the tracked chassis. The push handle is equipped with a control module electrically connected to the motor for adjusting the motor speed.

5. The hand-held electric corn planter according to claim 1, characterized in that, It also includes a limiting mechanism, which comprises a limiting plate, a mounting plate, a guide sleeve, a limiting rod, a connecting rod, and a pull cable. The limiting plate is located on the inner side of the tracked chassis and has a limiting hole. The mounting plate is located at the bottom of the frame. The guide sleeve is axially perpendicular to the limiting plate and is located at the bottom of the mounting plate. One end of the connecting rod is hinged to the bottom of the mounting plate away from the guide sleeve, and the other end is hinged to the limiting rod. The end of the limiting rod passes through the guide sleeve and can be aligned with the limiting hole. The push handle is provided with a pressure handle that can pull the pull cable. The two ends of the pull cable are respectively connected to the pressure handle and the middle of the connecting rod.

6. The hand-held electric corn planter according to claim 2, characterized in that, The movable frame includes a seed metering device bracket, a mounting block, and a spring. The duckbill-type seed metering device is rotatably mounted on the seed metering device bracket via a central shaft. The mounting block is connected to a connecting block. The front side of the seed metering device bracket is provided with an extension rod that is hinged to the bottom side of the mounting block. The front top side of the seed metering device bracket is provided with a hinge block. One end of the spring is connected to the top side of the mounting block, and the other end is hinged to the hinge block.

7. The hand-held electric corn planter according to claim 4, characterized in that, The top of the frame is equipped with a lithium battery that powers the motor.

8. The hand-held electric corn planter according to claim 6, characterized in that, A crossbar is provided between the connecting block and the mounting block of the frame, and the mounting block is connected to the crossbar by a U-bolt plate fixing structure.

9. The hand-held electric corn planter according to claim 1, characterized in that, The front end of the tracked chassis curves upwards at an angle.

10. The hand-held electric corn planter according to claim 5, characterized in that, The bottom of the mounting plate is provided with a stop to limit the pull wire, so that the pulling direction of the pull wire is consistent with the guiding direction of the guide sleeve.

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