A self-propelled seeder

Abstract

The application relates to a self-propelled seeder, belonging to the technical field of agricultural machinery, which comprises a frame, a driving element arranged on the frame, the driving element being sequentially in transmission connection with a land-rolling roller, an air pump and a soil-covering roller, the air pump being connected with a seed dispenser and a seed recovery bucket through pipelines; the seed dispenser comprises a seed suction disc and a video probe, the video probe is arranged corresponding to the seed suction disc, a furrow plough share and a soil-covering plough share are arranged on the frame and located between the land-rolling roller and the soil-covering roller, the distance between the furrow plough share and the soil-covering plough share and the frame in the vertical direction is adjustable, the video probe is used for transmitting the image of the seed suction process to a display screen in real time, the seed suction condition can be checked by a seeding personnel in real time, the seed missing or over-seeding is avoided, the uniformity of seedling distribution is improved, and the furrow depth can be adjusted according to the soil moisture content, so that the seeding depth is ensured to be consistent.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of agricultural machinery, in particular to a self-propelled seeding machine. BACKGROUND

[0002] In China, as an economic crop, vegetables are in the second important position next to grain. The vegetable planting mode has been mainly artificial, which costs high and wastes a lot of manpower, material resources and financial resources. In order to reduce production cost, improve production efficiency, improve the quality and yield of vegetable seeding operation, in recent years, the vegetable seeding machine has been widely used. However, the seedlings grown after the existing vegetable seeding machine is not uniform, which cannot meet the requirements of ventilation and light in the growth process of plants, resulting in a decrease in yield. At the same time, due to the inconsistency of soil moisture, the cutting depth of the furrow opener is also inconsistent, resulting in inconsistent seeding depth. SUMMARY

[0003] In view of the deficiencies of the prior art, in order to solve the above problems, a self-propelled seeding machine is provided.

[0004] In order to achieve the above purpose, the present application provides the following technical scheme:

[0005] A self-propelled seeding machine, comprising a rack, a driving element is arranged on the rack, the driving element is sequentially connected with a land roller, an air pump and a soil covering roller in a transmission mode, the air pump is connected with a seed sowing device and a seed recovery bucket through pipelines;

[0006] The seed sowing device comprises a seed suction disc and a video probe, the video probe is arranged corresponding to the seed suction disc, a furrow share and a soil covering share are arranged on the rack and between the land roller and the soil covering roller, and the distance between the furrow share and the soil covering share in the vertical direction is adjustable.

[0007] The technical scheme is further provided that the seed suction disc is rotatably arranged in the inside of a seed sowing shell, the inside of the seed sowing shell is provided with an air positive pressure cavity and an air negative pressure cavity which are separated from each other, the video probe is arranged on the seed sowing shell through a probe mounting seat, and the video probe is in communication connection with a display screen.

[0008] The technical scheme is further provided that a plurality of seed sowing devices are arranged side by side, and the distance between adjacent seed sowing devices is adjustable.

[0009] The technical scheme is further provided that the seed recovery bucket is detachably arranged between an upper rack body and a lower rack body, the upper rack body is engaged with the seed recovery bucket, and a seed bucket air inlet pipe and a seed bucket air outlet pipe are arranged on the upper rack body.

[0010] The technical scheme is further provided that a plurality of interval tension springs are arranged between the upper rack body and the lower rack body.

[0011] The air pump is communicated with the air suction pipe, the air suction pipe is communicated with the air negative pressure cavity and the seed bucket exhaust pipe respectively, the air suction pipe is communicated with the seed cleaning opening on the seed discharge shell, the air outlet of the air pump is communicated with the air exhaust pipe, and the air exhaust pipe is communicated with the air positive pressure cavity.

[0012] The pressure gauge is installed on the rack through a damping mounting seat, the damping mounting seat sequentially comprises a panel layer, a damping layer and a bottom plate layer, a joint for communicating with the air suction pipe through a connecting pipe is arranged on the pressure gauge, and a damping hose is arranged between the joint and the connecting pipe.

[0013] The power output ends of the driving elements are respectively in transmission connection with the power input ends of the first transmission mechanism and the third transmission mechanism, the power output end of the first transmission mechanism is in transmission connection with the power input end of the second transmission mechanism through a driving shaft, the power output end of the second transmission mechanism is in transmission connection with the air pump, the power output end of the third transmission mechanism is in transmission connection with the power input end of the gear box, and the power output end of the gear box is respectively in transmission connection with the land roller and the covering roller.

[0014] The first transmission mechanism, the second transmission mechanism and the third transmission mechanism are all provided with a tensioning wheel, the tensioning wheel is rotatably arranged at one end of a tensioning swing arm, and the other end of the tensioning swing arm is connected with the rack through a third locking bolt.

[0015] The furrowing share and the covering share are both installed on the rack through an adjusting assembly, the adjusting assembly comprises a fixed tube and a connecting tube which are perpendicular to each other, the fixed tube is sleeved on the periphery of the rack and is locked through a first locking bolt, and the connecting tube is sleeved on the periphery of the furrowing share or the covering share and is locked through a second locking bolt.

[0016] The beneficial effects of the present application are as follows:

[0017] 1. The seed discharge shell is provided with a video probe, during the seed adsorption process, the video probe can transmit images to the display screen in real time, so that the seeding personnel can check the seed suction condition in real time, avoid missing or over-seeding, and improve the uniformity of seedling distribution.

[0018] 2. Under the tension of the spring, the lower frame supports the seed recycling bin, and the upper frame is engaged with the seed recycling bin. Under the action of the air pump, the remaining seeds in the seed metering device enter the seed recycling bin through the seed cleaning port and the air inlet pipe of the seed bin, realizing seed cleaning. This not only prevents seed mixing but also collects the remaining seeds in the seed recycling bin, thus avoiding waste of remaining seeds.

[0019] 3. There are gaps between adjacent tension springs, which facilitates the installation or removal of the seed recycling bin through the gaps between adjacent tension springs to remove the remaining seeds collected in the seed recycling bin.

[0020] 4. The vibration transmitted by the frame is buffered by the shock-absorbing mounting base, ensuring the normal operation of the pressure gauge and improving its service life. At the same time, the vibration transmitted by the connecting pipe is buffered by the hose, preventing the vibration from being transmitted to the pressure gauge and ensuring that the pointer inside the pressure gauge will not vibrate violently, which would lead to inaccurate measurement.

[0021] 5. Through the first and second transmission mechanisms, the transmission and acceleration are achieved step by step, reducing the oil consumption of the drive components, increasing the speed of the air pump, and effectively solving the problem that the air pump cannot work properly due to insufficient speed caused by excessive instantaneous resistance or idling of the drive components.

[0022] 6. The vertical spacing between the furrowing plowshare, the covering plowshare, and the machine frame is adjustable, allowing for adjustment of the furrowing depth according to soil moisture conditions to ensure consistent sowing depth. Attached Figure Description

[0023] Figure 1 This is an isometric view of the overall structure of the self-propelled seeder used in an embodiment of the present invention;

[0024] Figure 2 This is a front view of the overall structure of the self-propelled seeder used in this embodiment of the invention;

[0025] Figure 3 This is a schematic diagram of the seed metering device used in an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the seed recycling bin used in an embodiment of the present invention;

[0027] Figure 5 This is an assembly diagram of the pressure gauge and the shock-absorbing mounting base used in an embodiment of the present invention;

[0028] Figure 6 This is a schematic diagram showing the connection between the driving element and the first transmission mechanism, the second transmission mechanism, and the third transmission mechanism used in the embodiments of the present invention;

[0029] Figure 7 yes Figure 2 A partial schematic diagram of point A in the middle.

[0030] In the attached diagram: 1-Frame, 2-Leveling roller, 3-Covering roller, 4-Auxiliary wheel, 5-Drive element, 6-Seed metering device, 7-Seed collection bin, 8-Air pump, 9-Suction pipe, 10-Exhaust pipe, 11-Upper frame, 12-Lower frame, 13-Seed bin exhaust pipe, 14-Seed bin air inlet pipe, 15-Shock-absorbing mounting base, 16-Pressure gauge, 17-Connector, 18-Mounting head, 19-Connector fixing pipe, 20-First transmission mechanism, 21-Drive shaft, 22-Second transmission mechanism, 23-Third transmission mechanism, 24-Gearbox, 25-First transmission belt, 26-Second transmission belt, 27-Tensioning wheel, 28-Tensioning swing arm, 29-Furrowing plowshare, 30-Covering plowshare, 31-Seed feeding pipe, 32-Fixing pipe, 33-Connecting pipe;

[0031] 601-Seed metering shell, 602-Seed suction tray, 603-Probe mounting base, 604-Video probe, 605-Air suction port, 606-Sowing port, 607-Air blowing port. Detailed Implementation

[0032] To enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Based on the embodiments in this application, other similar embodiments obtained by those skilled in the art without creative effort should all fall within the scope of protection of this application. Furthermore, directional terms mentioned in the following embodiments, such as "up," "down," "left," and "right," are only for reference to the directions in the accompanying drawings; therefore, the directional terms used are for illustrative purposes and not for limiting the invention.

[0033] Example 1:

[0034] like Figure 1 , Figure 2 As shown, a self-propelled seeder includes a frame 1, on which a drive element 5 is mounted. The drive element 5 is sequentially connected to a leveling roller 2, an air pump 8, and a covering roller 3. The air pump 8 is connected to a seed metering device 6 and a seed collection bin 7 via pipelines. The frame 1 also has auxiliary wheels 4.

[0035] It should be noted that after the drive element 5 is turned on, it can perform operations such as sowing, covering with soil, and seed recycling, and can also move on its own.

[0036] like Figures 1-3 As shown, the seed metering device 6 includes a seed suction plate 602 and a video probe 604. The video probe 604 is set corresponding to the seed suction plate 602, and the video probe 604 is communicatively connected to the display screen.

[0037] It should be noted that during the seed suction process of the seed suction disc 602, the video probe 604 transmits the image to the display screen in real time, so that the sowing personnel can view the seed suction process in real time, avoid missing sowing or over-sowing, and improve the uniformity of seedling distribution.

[0038] Specifically, the seed suction disc 602 is rotatably arranged in the interior of the seed sowing shell 601, a plurality of air suction holes are arranged on the seed suction disc 602 along the circumferential direction of the seed suction disc 602, the middle part of the seed suction disc 602 is rotatably connected with the seed sowing shell 601 through a transmission shaft, and the transmission shaft is in transmission connection with the driving element 5. The interior of the seed sowing shell 601 is provided with an air positive pressure cavity and an air negative pressure cavity which are separated from each other, the seed sowing shell 601 is provided with an air suction port 605, an air blowing port 607 and a sowing port 606, the air negative pressure cavity is in communication with the air suction port 605, and the air positive pressure cavity is in communication with the air blowing port 607. The video probe 604 is arranged on the seed sowing shell 601 through a probe mounting seat 603.

[0039] When working, the transmission shaft and the seed suction disc 602 are driven to rotate by the driving element 5, the air suction holes adsorb seeds under the action of the air negative pressure cavity, and the seeds on the seed suction disc 602 fall to the sowing port 606 when the seed suction disc 602 rotates to the air positive pressure cavity.

[0040] The technical scheme is further provided that a plurality of seed sowing devices 6 are arranged side by side, and the spacing between adjacent seed sowing devices 6 is adjustable, so that wide and narrow row sowing can be realized, ventilation is improved, and crop growth is facilitated.

[0041] As shown in Figure 1 , Figure 2 and Figure 4 , the seed recovery barrel 7 is detachably arranged between the upper shelf body 11 and the lower shelf body 12, the upper shelf body 11 is buckled with the seed recovery barrel 7 to improve air tightness, and the upper shelf body 11 is provided with a seed barrel air inlet pipe 14 and a seed barrel air outlet pipe 13.

[0042] The technical scheme is further provided that a plurality of spaced-apart tension springs are arranged between the upper shelf body 11 and the lower shelf body 12.

[0043] It should be noted that under the tension of the tension springs, the lower shelf body 12 supports the seed recovery barrel 7, the upper shelf body 11 is buckled with the seed recovery barrel 7, and at the same time, there are gaps between adjacent tension springs, so that the seed recovery barrel 7 can be installed or removed from the gaps between adjacent tension springs to take out the remaining seeds recovered in the seed recovery barrel 7.

[0044] As shown in Figures 1-4As shown, the air inlet of the air pump 8 is communicated with the air suction pipe 9, the air suction pipe 9 is communicated with the air negative pressure cavity and the seed bucket exhaust pipe 13 respectively, the air inlet pipe 14 is communicated with the seed cleaning port on the seed sowing shell, the air outlet of the air pump 8 is communicated with the air exhaust pipe 10, and the air exhaust pipe 10 is communicated with the air positive pressure cavity.

[0045] When working, under the action of the air pump 8, the remaining seeds in the seed sowing device 6 enter the seed recovery bucket 7 through the seed cleaning port and the seed bucket air inlet pipe 14, so that the seeds are cleaned, the mixed seeds are prevented, and the remaining seeds are collected in the seed recovery bucket 7 without waste.

[0046] As shown in Figure 1 , Figure 2 and Figure 5 , the pressure gauge 16 is installed on the frame 1 through the shock absorbing mounting seat 15, the shock absorbing mounting seat 15 sequentially includes a panel layer, a shock absorbing layer and a bottom plate layer, the pressure gauge 16 is provided with a connector 17 communicated with the air suction pipe 9 through a connecting pipe, and a shock absorbing hose is arranged between the connector 17 and the connecting pipe.

[0047] Specifically, the connector 17 is peripherally provided with a connector fixing pipe 19, the inside of the connector fixing pipe 19 is provided with a hose connected with the connector 17, one end of an installation head 18 provided at the end of the connector fixing pipe 19 away from the connector 17 is connected with the hose, and the other end of the installation head 18 is connected with the connecting pipe.

[0048] It should be noted that the shock absorbing mounting seat 15 buffers the shock transmitted by the frame 1, ensures the normal operation of the pressure gauge 16, prolongs the service life of the pressure gauge 16, and at the same time, the shock absorbing hose buffers the shock transmitted by the connecting pipe, avoids the shock from being transmitted to the pressure gauge 16, and ensures that the pointer in the pressure gauge 16 will not appear severe shock to cause inaccurate measurement.

[0049] As shown in Figure 1 , Figure 2 and Figure 6 , the power output end of the driving element 5 is drivingly connected with the power input end of the first transmission mechanism 20 and the power input end of the third transmission mechanism 23 respectively, the power output end of the first transmission mechanism 20 is drivingly connected with the power input end of the second transmission mechanism 22 through a driving shaft 21, and the power output end of the second transmission mechanism 22 is drivingly connected with the air pump 8.

[0050] When working, the first transmission mechanism 20 and the second transmission mechanism 22 are used to realize step-by-step smooth transmission and acceleration, reduce the oil consumption of the driving element 5, improve the rotating speed of the air pump 8, and effectively solve the problem that the air pump 8 cannot work normally due to excessive instantaneous resistance or idling of the driving element 5.

[0051] The third transmission mechanism 23 is connected with the power input end of the gear box 24, the power output end of the gear box 24 is connected with the land roller 2 through the first transmission belt 25, and the power output end of the gear box 24 is connected with the covering roller 3 through the second transmission belt 26.

[0052] The first transmission mechanism 20, the second transmission mechanism 22 and the third transmission mechanism 23 are all provided with a tensioning wheel 27, the tensioning wheel 27 is rotatably arranged at one end of a tensioning swing arm 28, and the other end of the tensioning swing arm 28 is connected with the rack 1 through a third locking bolt.

[0053] It should be noted that the first transmission mechanism 20, the second transmission mechanism 22 and the third transmission mechanism 23 all adopt a synchronous belt structure, the wheel surface of the tensioning wheel 27 is tangent to the synchronous belt. The relative angle between the tensioning swing arm 28 and the rack 1 is adjusted through the first locking bolt, and then the position of the tensioning wheel 27 is adjusted, that is, the tensioning wheel 27 can adjust the degree of pressing the synchronous belt according to the needs, prevent the synchronous belt from relaxing, and can realize real-time adjustment of the tension of the synchronous belt.

[0054] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 7 , the rack 1 is provided with a furrow share 29 and a covering share 30 between the land roller 2 and the covering roller 3, the distance between the furrow share 29, the covering share 30 and the rack 1 in the vertical direction is adjustable, the furrow depth can be adjusted according to the soil moisture content, and the uniformity of the seeding depth is ensured. Meanwhile, the furrow share 29 and the covering share 30 are provided with a seed tube 31, and the seed tube 31 is communicated with a seeding port 606.

[0055] Specifically, the furrow share 29 and the covering share 30 are both installed on the rack 1 through an adjusting assembly, the adjusting assembly includes a fixed tube 32 and a connecting tube 33 which are perpendicular to each other, the fixed tube 32 is sleeved on the periphery of the rack 1 and locked through a first locking bolt, the first locking bolt penetrates the side wall of the fixed tube 32, and the end of the first locking bolt abuts against the rack 1. The connecting tube 33 is sleeved on the periphery of the furrow share 29 or the covering share 30 and locked through a second locking bolt, the second locking bolt penetrates the side wall of the connecting tube 33, and the end of the second locking bolt abuts against the furrow share 29 or the covering share 30.

[0056] In operation, the relative positions of the furrower share 29 and the coverer share 30 to the frame 1 can be adjusted by the first locking bolt, and the vertical positions of the furrower share 29 and the coverer share 30 can be adjusted by the second locking bolt, so as to realize the adjustable furrowing depth.

[0057] The above has made a detailed description of the present application, the above is described, only for the preferred embodiment of the present application, when cannot limit the scope of the present application, namely all equivalent changes and modifications made according to the scope of the present application, should still belong to the scope of the present application.

Claims

1. A self-propelled seeder comprising a frame, characterized in that, The rack is provided with driving elements which are sequentially connected with the land roller, the air pump and the covering roller. The seed dispenser comprises a seed suction disc and a video probe, the video probe is arranged corresponding to the seed suction disc, a furrow plough share and a covering plough share are arranged between the land roller and the covering roller on the rack, and the distance between the furrow plough share and the covering plough share and the rack in the vertical direction is adjustable. The seed recovery barrel is detachably arranged between the upper rack body and the lower rack body, the upper rack body is coupled with the seed recovery barrel, the upper rack body is provided with a seed barrel air inlet pipe and a seed barrel air outlet pipe, a plurality of interval tension springs are arranged between the upper rack body and the lower rack body, the air inlet of the air pump is communicated with the air suction pipe, the air suction pipe is communicated with the air negative pressure cavity and the seed barrel air outlet pipe, the air inlet pipe is communicated with the seed cleaning opening on the seed dispenser shell, the air outlet of the air pump is communicated with the air outlet pipe, the air outlet pipe is communicated with the air positive pressure cavity, a pressure gauge is arranged on the rack through a damping mounting seat, the damping mounting seat comprises a panel layer, a damping layer and a bottom plate layer in sequence, a joint for communicating the air suction pipe through a connecting pipe is arranged on the pressure gauge, and a damping hose is arranged between the joint and the connecting pipe.

2. A self-propelled seeder according to claim 1, characterized in that The seed suction disc is rotatably arranged in the seed dispenser shell, the seed dispenser shell is provided with an air positive pressure cavity and an air negative pressure cavity which are separated from each other, the video probe is arranged on the seed dispenser shell through a probe mounting seat, and the video probe is in communication connection with a display screen.

3. A self-propelled seeder according to claim 1, characterized in that, A plurality of seed dispensers are arranged side by side, and the distance between adjacent seed dispensers is adjustable.

4. A self-propelled planter according to claim 1, wherein, The power output ends of the driving elements are respectively connected with the power input ends of the first transmission mechanism and the third transmission mechanism, the power output end of the first transmission mechanism is connected with the power input end of the second transmission mechanism through a driving shaft, the power output end of the second transmission mechanism is connected with the air pump, the power output end of the third transmission mechanism is connected with the power input end of the gear box, and the power output end of the gear box is connected with the land roller and the covering roller.

5. A self-propelled seeder according to claim 4, wherein, Tensioning wheels are arranged at the first transmission mechanism, the second transmission mechanism and the third transmission mechanism, and the tensioning wheels are rotatably arranged at one end of a tensioning swing arm, and the other end of the tensioning swing arm is connected with the rack through a third locking bolt.

6. A self-propelled seeding machine according to any one of claims 1-5, characterized in that The furrow plough share and the covering plough share are arranged on the rack through an adjusting assembly, the adjusting assembly comprises a vertical fixed pipe and a connecting pipe, the fixed pipe is sleeved on the periphery of the rack and is locked through a first locking bolt, and the connecting pipe is sleeved on the periphery of the furrow plough share or the covering plough share and is locked through a second locking bolt.

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