Self-propelled coarse cereal seeder
By incorporating a seed metering device and navigation terminal into a self-propelled grain seeder, the problem of uneven ground affecting seeding accuracy has been solved, achieving precise seeding and cost reduction.
Patent Information
- Application Number
- CN202423232485.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The automatic seeding mechanism of existing self-propelled grain seeders is easily affected by uneven ground, resulting in inaccurate seeding accuracy and affecting crop growth space and yield.
A self-propelled grain seeder was designed, which uses a seed metering device at the bottom of the seed box. The circumferential sidewall of the seed metering wheel fits against the inner sidewall of the disc-shaped cavity, and the seeds only fall when the seed groove rotates to the top of the seed metering port. Combined with a navigation terminal and sensors, it achieves precise seeding.
It improves the precision of sowing, reduces labor input and sowing costs, and is suitable for quantitative sowing of miscellaneous grain seeds of different sizes.
Smart Images
Figure CN223568071U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field related to agricultural machinery, especially, relate to a self -propelled coarse cereal seeding machine. BACKGROUND
[0002] The self -propelled coarse cereal seeding machine is a modern agricultural machinery, and advances through the power system of itself, and in the process of advancing, the coarse cereal seeds and fertilizers are accurately sowed into the soil according to the set parameters. When planting part of crops such as vegetables in coarse cereal, in order to ensure the emergence rate and improve the seeding efficiency, the strip sowing mode is usually selected for intensive seeding, and when planting part of crops such as corn in coarse cereal, in order to guarantee the effective planting space, the interval mode is usually selected for orderly seeding.
[0003] The existing coarse cereal seeding machine is generally provided with an automatic seeding mechanism, but the existing automatic seeding mechanism generally includes an air suction pipeline to realize seed dropping, and in this structure, the air suction pipeline is easily affected by the uneven seeding ground, causing the seed spacing of seeding to be not accurate enough, which affects the growth space and yield of crops. UTILITY MODEL CONTENTS
[0004] The utility model provides a self -propelled coarse cereal seeding machine to solve the above -mentioned problems existing in prior art.
[0005] The utility model discloses a self -propelled coarse cereal seeding machine, including self -walking mechanism and seeding mechanism, the self -walking mechanism and the seeding mechanism all are arranged on the mainframe, the seeding mechanism includes seed tank, seed metering device and seed outlet, the seed tank is arranged at the top of the mainframe, the seed metering device is arranged at the discharge port of the seed tank, the seed outlet of seed metering device is connected with the seed guide pipe, and the front side of the seed guide pipe is provided with a furrow opener, the inside of the seed tank is provided with a baffle, the baffle divides the inside upper part of the seed tank into a grain storage cavity, and the baffle divides the inside lower part of the seed tank into a mounting cavity, the both sides wall of the mounting cavity is supposed to have a rotating shaft, and the middle part of the mounting cavity is provided with at least one disc cavity, the seed metering device includes driving shaft, transmission assembly and at least one group of seed metering wheel, the seed metering wheel is sleeved on the driving shaft, the driving shaft is arranged on the rotating shaft, so that the seed metering wheel rotation is arranged in the disc cavity, the bottom of the disc cavity is provided with a seed outlet, and the end of the driving shaft is connected to the transmission assembly, a plurality of seed grooves are arranged on the seed metering wheel at intervals, the mainframe is also provided with a driving motor, the output shaft of the driving motor is drivingly connected to the transmission assembly, and the driving motor is connected with a control box.
[0006] Preferably, the self-walking mechanism comprises a front wheel, a furrower and the control box; the control box is arranged on the top of the main frame, the front wheel is arranged on the front end of the main frame through a front connecting arm, and the furrower is arranged on the rear end of the main frame through a rear connecting arm; a navigation indication terminal is arranged in the control box, a visual sensor is arranged on the front end of the main frame, and the visual sensor is connected to the control box.
[0007] Preferably, the working end of the front connecting arm is provided with a front adjusting arm, the working end of the rear connecting arm is provided with a rear adjusting arm, and the furrower is arranged on the working end of the rear adjusting arm; the working end of the front adjusting arm is provided with a stepping motor, the front wheel is coaxially arranged on the output shaft of the stepping motor, and the stepping motor is connected to the control box.
[0008] Preferably, the top of the front connecting arm is provided with a front buffer spring rod, and the top of the rear connecting arm is provided with a rear buffer spring rod.
[0009] Preferably, the top of the main frame is further provided with a hanging ear.
[0010] Preferably, the transmission assembly comprises a transmission gear and a transmission chain, one end of the driving shaft is coaxially provided with the transmission gear through the side wall of the mounting cavity, and the transmission chain is sleeved on the transmission gear and the output end of the driving motor.
[0011] Preferably, the middle part of the main frame is further provided with an auxiliary wheel.
[0012] Preferably, the auxiliary wheel is arranged on the bottom of the electric lifting frame, the top of the electric lifting frame is arranged on the side wall of the main frame, and the electric lifting frame is connected to the control box.
[0013] In summary, the self-propelled coarse grain seeder has the following advantages:
[0014] (1) The seed box is provided with a seed sowing device, and the circumferential side wall of the seed sowing wheel of the seed sowing device is attached to the inner side wall of the disc-shaped cavity. During the rotation of the seed sowing wheel, only when the seed groove is rotated to the upper side of the seed sowing port, the quantitative seeds in the seed groove will fall into the seed guide pipe for accurate seeding. The main frame is effectively prevented from shaking due to uneven ground, and the seeding accuracy is improved.
[0015] (2) The whole structure is simple and reasonable. The self-walking mechanism is arranged under the guidance of the navigation paper terminal, and the self-walking mechanism can automatically cultivate, effectively replacing the manual seeding mode, reducing the labor input and the seeding cost. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1The embodiment of the utility model is a whole structure schematic diagram of the self-moving type coarse grain seeding machine.
[0017] Figure 2 The embodiment of the utility model is based on Figure 1 The structure schematic diagram of the seed metering device.
[0018] Figure 3 The embodiment of the utility model is based on Figure 1 The perspective structure schematic diagram of the seed metering device and the seed box.
[0019] Figure 4 The embodiment of the utility model is based on Figure 1 The whole structure schematic diagram of the self-moving type coarse grain seeding machine.
[0020] In the drawings, the name corresponding to the reference sign is:
[0021] 101, self-moving mechanism, 102, main frame, 103, seed box, 104, seed metering device, 105, seed metering port, 106, seed guide pipe, 107, furrow opener, 108, partition plate, 109, grain storage cavity, 110, mounting cavity, 111, rotating shaft, 112, disc-shaped cavity, 113, driving shaft, 114, seed metering wheel, 115, seed groove, 116, transmission assembly, 117, driving motor, 118, control box, 119, front wheel, 120, furrow opener and roller, 121, front connecting arm, 122, rear connecting arm, 123, visual sensor, 124, front adjusting arm, 125, rear adjusting arm, 126, stepping motor, 127, front buffer spring rod, 128, rear buffer spring rod, 129, adjustable screw, 130, hanging ear, 131, auxiliary wheel, 132, electric lifting frame, 133, transmission gear, 134, transmission chain. DETAILED DESCRIPTION
[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the utility model will be briefly introduced in combination with the drawings and the description of the embodiments or the prior art, and obviously, the following description of the drawing structure is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor.In this, it is necessary to explain that the explanation of these embodiment modes is used to help understanding the utility model, but does not constitute the limitation of the utility model.
[0023] The utility model will be further described below in combination with Figures 1 to 4 The utility model.
[0024] Embodiment 1:
[0025] Refer to Figures 1 to 3As shown, the self-propelled coarse grain seeding machine provided in the embodiment comprises a self-walking mechanism 101 and a seeding mechanism, both of which are arranged on a main frame 102; the seeding mechanism comprises a seed box 103, a seed dispenser 104 and a seed discharge port 105, the seed box 103 is arranged on the top of the main frame 102, the seed dispenser 104 is arranged at the discharge port of the seed box 103, the seed discharge port 105 of the seed dispenser 104 is communicated with a seed guide pipe 106, and a furrow opener 107 is arranged on the front side of the seed guide pipe 106.
[0026] In the above embodiment, the front side of the seed guide pipe 106 is provided with the furrow opener 107 for digging a seeding groove; the seeds in the seed box 103 are quantitatively transmitted to the seed discharge port 105 through the seed dispenser 104, and are seeded along the seed guide pipe 106 into the seeding groove dug by the furrow opener 107, thereby completing the seeding at the set position.
[0027] The inside of the seed box 103 is provided with a partition plate 108, the partition plate 108 divides the inside of the seed box 103 into an upper part and a lower part, the upper part is a grain storage cavity 109, and the lower part is a mounting cavity 110; two side walls of the mounting cavity 110 are provided with rotating shafts 111, and the middle part of the mounting cavity 110 is provided with at least one disc-shaped cavity 112.
[0028] In the above embodiment, the partition plate 108 divides the seed box 103 into two parts, the upper part is the grain storage cavity 109 for storing the seeds to be seeded, and the lower part is the mounting cavity 110 for mounting the seed dispenser, wherein the mounting cavity 110 and the grain storage cavity 109 are communicated through the disc-shaped cavity 112.
[0029] The seed dispenser 104 comprises a driving shaft 113, a transmission assembly 116 and at least one set of seed rollers 114, the seed rollers 114 are sleeved on the driving shaft 113, the driving shaft 113 is arranged on the rotating shaft 111, so that the seed rollers 114 are rotatably arranged in the disc-shaped cavity 112, the bottom of the disc-shaped cavity 112 is provided with the seed discharge port 105, the end of the driving shaft 113 is connected to the transmission assembly 116, a plurality of seed grooves 115 are arranged on the seed rollers 114 in an interval manner; the main frame 102 is further provided with a driving motor 117, the output shaft of the driving motor 117 is drivingly connected to the transmission assembly 116, and the driving motor 117 is connected with a control box 118.
[0030] In the above embodiment, the driving motor 117 drives the transmission assembly 116 to drive the shaft 113, and drives the seed wheel 114 to rotate in the disc-shaped cavity 112. The inner side wall of the disc-shaped cavity 112 is in close contact with the outer side wall of the seed wheel 114, so that the seeds in the seed groove 115 cannot fall accidentally during the rotation of the seed wheel 114. When any one of the seed grooves 115 is suspended above the seed discharge port 105, the seeds in the seed groove 115 will fall into the seed guide pipe 106 through the seed discharge port 105 for quantitative seeding. The seed wheel 114 is provided in multiple specifications, and the diameters of the seed grooves 115 provided on the seed wheels 114 of different specifications are different, so as to be suitable for seeding of different sizes of coarse seeds, and the applicability is higher.
[0031] Embodiment 2:
[0032] In combination with the above embodiment, as shown in Figure 1 The self-walking mechanism 101 includes a front wheel 119, a furrower and a control box 118. The control box 118 is arranged on the top of the main frame 102. The front wheel 119 is arranged at the front end of the main frame 102 through a front connecting arm 121. The furrower is arranged at the rear end of the main frame 102 through a rear connecting arm 122. A navigation indicating terminal (not shown in the figure) is arranged inside the control box 118. A visual sensor 123 is arranged at the front end of the main frame 102, and the visual sensor 123 is connected to the control box 118.
[0033] In the above embodiment, the navigation indicating terminal adopts GPS positioning to provide accurate positioning guidance. The visual sensor 123 is composed of a remote camera, which can take real-time pictures of the specific walking environment of the self-walking mechanism 101, so as to facilitate manual intervention. Under the guidance of GPS positioning, the controller controls the self-walking mechanism 101 to walk and seed.
[0034] The self-walking mechanism 101 walks through the front wheel 119 and the furrower. The working end of the front connecting arm 121 is provided with a front adjusting arm 124. The working end of the rear connecting arm 122 is provided with a rear adjusting arm 125. The furrower is arranged at the working end of the rear adjusting arm 125. The working end of the front adjusting arm 124 is provided with a stepping motor 126. The front wheel 119 is coaxially arranged with the output shaft of the stepping motor 126. The stepping motor 126 is connected to the control box 118. The top of the front connecting arm 121 is provided with a front buffer spring rod 127. The top of the rear connecting arm 122 is provided with a rear buffer spring rod 128.
[0035] In the above embodiments, the front adjusting arm 124 is detachably arranged at the working end of the front connecting arm 121 through the adjustable screw 129, and the rear adjusting arm 125 is detachably arranged at the working end of the rear connecting arm 122 through the adjustable screw 129. The ground clearance of the front wheel 119 and the furrower 120 can be set by setting the angle of the adjustable screw 129. The front wheel 119 is arranged in a plowing wheel structure, and can perform preliminary plowing during walking.
[0036] Embodiment 3:
[0037] In combination with the above embodiments, as shown in Figure 1 The top of the main frame 102 is also provided with an ear 130, which facilitates the connection of the main frame 102 to the driving vehicle outside, and facilitates dragging in the state of no power supply. In addition, as shown in Figure 4 The middle part of the main frame 102 is also provided with an auxiliary wheel 131, which is arranged at the bottom of the electric lifting frame 132. The top of the electric lifting frame 132 is arranged on the side wall of the main frame 102, and the electric lifting frame 132 is connected to the control box 118.
[0038] The auxiliary wheel 131 is detachably arranged in the middle part of the main frame 102 through the electric lifting frame 132, which can lift the furrower 120 and lower the auxiliary wheel 131 to assist the stable movement of the self-walking mechanism 101 when the seeding operation is completed.
[0039] Specifically, in the above embodiments, the transmission assembly 116 includes a transmission tooth 133 and a transmission chain 134. One end of the drive shaft 113 protrudes through the side wall of the mounting cavity 110 and is coaxially provided with the transmission tooth 133. The transmission chain 134 is sleeved on the transmission tooth 133 and the output end of the drive motor 117. The working end of the front adjusting arm 124 is provided with a stepping motor 126. The front wheel 119 is coaxially arranged with the output shaft of the stepping motor 126. The stepping motor 126 is connected to the control box 118. The top of the front connecting arm 121 is provided with a front buffer spring rod 127, and the top of the rear connecting arm 122 is provided with a rear buffer spring rod 128.
[0040] In the above embodiments, the stepping motor 126 and the drive motor 117 are both connected to the control box 118. The rotational speed of the stepping motor 126 and the drive motor 117 can be controlled respectively through the control box 118. The constant-speed and constant-distance movement of the self-walking mechanism 101 is realized through the constant-speed rotation of the stepping motor 126, and the constant-speed and constant-quantity seeding of the seed sowing wheel 114 is realized through the constant-speed rotation of the drive motor 117.
[0041] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A self-propelled grain seeder, comprising a self-propelled mechanism (101) and a seeding mechanism, characterized in that, Both the self-propelled mechanism (101) and the seeding mechanism are mounted on the main frame (102); The sowing mechanism includes a seed box (103), a seed metering device (104), and a seed outlet (105). The seed box (103) is located on the top of the main frame (102). The seed metering device (104) is located at the outlet of the seed box (103). The seed outlet (105) of the seed metering device (104) is connected to a seed guide tube (106). A furrow opener (107) is provided on the front side of the seed guide tube (106). The seed box (103) is provided with a partition (108) inside. The partition (108) divides the upper inner part of the seed box (103) into a grain storage cavity (109) and the lower inner part of the seed box (103) into an installation cavity (110). Assuming that there are rotating shafts (111) on both sides of the mounting cavity (110), and at least one disc-shaped cavity (112) is provided in the middle of the mounting cavity (110); The seed metering device (104) includes a drive shaft (113), a transmission assembly (116), and at least one set of seed metering wheels (114). The seed metering wheels (114) are sleeved on the drive shaft (113), and the drive shaft (113) is mounted on the rotating shaft (111), so that the seed metering wheels (114) are rotatably disposed in the disc-shaped cavity (112). The bottom of the disc-shaped cavity (112) is provided with a seed metering port (105). The end of the drive shaft (113) is connected to the transmission assembly (116). The seed metering wheels (114) are provided with a plurality of seed grooves (115) spaced apart. The main frame (102) is also provided with a drive motor (117), the output shaft of the drive motor (117) is connected to the transmission assembly (116), and the drive motor (117) is connected to a control box (118).
2. The self-propelled grain seeder according to claim 1, characterized in that, The self-propelled mechanism (101) includes a front wheel (119), a trenching and pressing wheel (120), and the control box (118); The control box (118) is located on the top of the main frame (102), the front wheel (119) is located at the front end of the main frame (102) via the front connecting arm (121), and the trenching and pressing wheel (120) is located at the rear end of the main frame (102) via the rear connecting arm (122). The control box (118) is equipped with a navigation indicator terminal, and the front end of the main frame (102) is equipped with a visual sensor (123), which is connected to the control box (118).
3. The self-propelled grain seeder according to claim 2, characterized in that, The working end of the front connecting arm (121) is provided with a front adjusting arm (124), the working end of the rear connecting arm (122) is provided with a rear adjusting arm (125), and the trenching press wheel (120) is provided at the working end of the rear adjusting arm (125). The working end of the front adjusting arm (124) is provided with a stepper motor (126), the front wheel (119) is coaxially arranged with the output shaft of the stepper motor (126), and the stepper motor (126) is connected to the control box (118).
4. The self-propelled grain seeder according to claim 2, characterized in that, The front connecting arm (121) is provided with a front buffer spring rod (127) at its top, and the rear connecting arm (122) is provided with a rear buffer spring rod (128) at its top.
5. The self-propelled grain seeder according to claim 1, characterized in that, The top of the main frame (102) is also provided with a hanging ear (130).
6. The self-propelled grain seeder according to claim 1, characterized in that, The transmission assembly (116) includes a transmission tooth (133) and a transmission chain (134). One end of the drive shaft (113) passes through the side wall of the mounting cavity (110) and is coaxially provided with the transmission tooth (133). The transmission chain (134) is sleeved on the transmission tooth (133) and the output end of the drive motor (117).
7. The self-propelled grain seeder according to claim 1, characterized in that, The main frame (102) is also provided with auxiliary wheels (131) in the middle.
8. The self-propelled grain seeder according to claim 7, characterized in that, The auxiliary wheel (131) is located at the bottom of the electric lifting frame (132), the top of the electric lifting frame (132) is located on the side wall of the main frame (102), and the electric lifting frame (132) is connected to the control box (118).