Multifunctional seeding device

Abstract

The utility model discloses a multifunctional seeding device, which belongs to a seeding device in the technical field of agricultural machinery, and adopts the technical scheme that a seed metering assembly is fixedly arranged above a mounting frame; the backfilling and compressing assembly is fixedly arranged at one end of the mounting frame; the ditching assembly is fixedly arranged at the other end of the mounting frame; an adjustable suspension frame is arranged above the ditching assembly, the adjustable suspension frame is hinged to the mounting frame, and the adjustable suspension frame comprises an adjusting connecting rod set hinged to the mounting frame and a vertical suspension frame mounting plate arranged at the other end of the adjusting connecting rod set; according to the multifunctional seeding device provided by the utility model, the whole seeding device can be fixed on a corresponding power main engine to carry out adaptive adjustment by virtue of the arranged adjustable suspension frame, and seeding operations of ditching, seeding, backfilling soil and compacting soil are realized at the same time, so that the seeding efficiency of the seeding device is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery, and particularly relates to a multifunctional sowing device. Background Art

[0002] Agricultural machinery refers to various machinery used in the processes of crop planting and animal husbandry, as well as in the primary processing and treatment of agricultural and livestock products. There are a wide variety of agricultural machinery, such as tillage and land preparation machinery, planting and fertilizing machinery, field management machinery, harvesting machinery, primary processing machinery for agricultural products, irrigation and drainage machinery, agricultural waste utilization and treatment equipment, etc. Agricultural machinery can significantly improve work efficiency, save labor, improve crop quality and yield, and also play an important role in the recycling of agricultural waste. Currently, there is a large demand for agricultural machinery in rural areas, which has promoted the development of agricultural machinery.

[0003] In the prior art, when automating the sowing of peanuts or corn, there are problems that the steps of soil excavation, seed placement, soil backfilling, and soil compaction during the sowing process cannot be completed in a coherent and effective integrated operation, resulting in low and unstable sowing efficiency, which seriously affects production costs and efficiency. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a multifunctional sowing device. By setting a seed metering component on the installation frame to realize the seed metering operation, combined with a ditch-opening component to achieve better pit sowing treatment for the seed metering, and at the same time, the adjustable suspension frame is set so that the entire sowing device can be fixed on the corresponding power host for adaptive adjustment, realizing the sowing operations of ditch opening, sowing, soil backfilling, and soil compaction, greatly improving the sowing efficiency of the sowing device.

[0005] The purpose of the utility model is achieved as follows. A multifunctional sowing device includes:

[0006] An installation frame;

[0007] A seed metering component, which is fixedly arranged above the installation frame;

[0008] A soil backfilling and compaction component, which is fixedly arranged at one end of the installation frame;

[0009] A ditch-opening component, which is fixedly arranged at the other end of the installation frame; and

[0010] Above the ditch-opening component, there is an adjustable suspension frame, which is hinged to the installation frame. The adjustable suspension frame includes an adjustment link group hinged to the installation frame and a vertical suspension frame mounting plate arranged at the other end of the adjustment link group. The vertical suspension frame mounting plate is hinged to the adjustment link group.

[0011] Further, the seed metering assembly includes a seed box and a corn seed metering device provided at the lower end of the seed box. The corn seed metering device includes a metering box, a corn seed metering pipeline, and a seed guiding belt. The metering box is fixedly provided on the installation frame. The metering box is communicated with the seed box through the corn seed metering pipeline. The seed guiding belt is provided at the lower end of the metering box and is communicated with the metering box.

[0012] Further, a seed discharging opening is provided on one side of the bottom of the metering box, and a seed discharging opening connecting plate is provided at the lower end of the seed discharging opening.

[0013] Further, the backfilling and compacting assembly includes a screw rod support column and an adjusting wheel set provided at the movable end of the screw rod support column. The screw rod support column includes an inner cylinder and an outer cylinder. The outer cylinder and the inner cylinder are slidably adjusted through a screw rod; the bottom of the inner cylinder is fixedly connected to the installation frame, and the adjusting wheel set is provided on the outer cylinder.

[0014] Further, the adjusting wheel set includes a depth limiting wheel mounting rod fixedly connected to the outer cylinder and a pressing wheel mounting rod hinged to the outer cylinder. An adjusting spring group is provided between the depth limiting wheel mounting rod and the pressing wheel mounting rod; a depth limiting wheel is rotatably provided on the depth limiting wheel mounting rod, and a pressing wheel is rotatably provided at the end of the pressing wheel mounting rod.

[0015] Further, the adjusting spring group includes a spring fixedly connected to one end of the depth limiting wheel mounting rod, a pressing wheel pressure adjusting handle fixedly provided at the other end of the spring, and an adjusting tooth group provided on the upper end face of the pressing wheel mounting rod. The pressing wheel pressure adjusting handle is clamped on the adjusting tooth group.

[0016] Further, the depth limiting wheel includes two spaced wheel discs. The outer edge of the wheel disc is provided with an inclined backfilling surface. The backfilling surfaces of the two wheel discs form an "eight" shape.

[0017] Further, the ditching assembly includes a ditching plate fixedly provided at the lower end of the installation frame and a hoe-type ditching device provided on one side of the ditching plate. The hoe-type ditching device is arranged along the moving direction of the installation frame.

[0018] Further, the adjusting link group includes an upper link and a lower link. A tension adjusting spring is fixedly provided on the lower link. The other end of the tension adjusting spring is fixedly provided with a suspension frame tension adjusting handle. A floating suspension frame tooth group is provided on the upper end face of the upper link. The lower end of the suspension frame tension adjusting handle is clamped on the floating suspension frame tooth group.

[0019] Furthermore, vertical anti - entanglement columns are provided on the ditching plate. The anti - entanglement columns are rotatably arranged on the ditching plate and are located above the hoe - type ditching opener.

[0020] The beneficial effects of the present utility model are as follows:

[0021] 1. In the present utility model, by installing a seed - metering component on the provided installation frame, the placement of seeds and the subsequent provision of seed metering are realized. Among them, since a ditching component is provided on the installation frame, when the installation frame moves driven by an external power source, the ditching component digs the soil at the front end of the seeding device and then arranges the seeds discharged from the seed - metering component into the soil. At the same time, the backfilling and compacting component installed at the rear end of the installation frame realizes the back - gathering and compacting of the soil with seeds placed therein, thereby completing the integrated operation of seeding, greatly improving the seeding efficiency. Among them, due to the provision of an adjustable suspension frame and the adjustment of the entire seeding device fixed on the external walking power source through the vertical suspension frame mounting plate on the adjustable suspension frame, the entire seeding device can be adjusted in height, and thus can meet the installation with different devices and seeding operations on different soil topographies, greatly improving the adaptability and usage function of the entire seeding equipment.

[0022] 2. In the present utility model, since a seed box is provided in the seed - metering component, the overall storage and placement of seeds and the operation of preparing for seeding are realized. More specifically, since a corn seed - metering device is provided at the lower end of the seed box, the seeds can fall into the dug - open soil under the action of gravity for seeding. The setting of the corn seed - metering pipeline realizes the connection between the seed box and the seed - discharging box, realizes the uniform transfer of seeds and the operation of falling for seeding. Among them, the provided seed - guiding pipe belt realizes the operation of dropping seeds in the seed - discharging box for seeding, improving the uniformity of the seeding operation of seeds.

[0023] 3. In the present utility model, by opening a seed - discharging port and a seed - discharging port connecting plate on one side of the bottom of the seed - discharging box, the effective separation of seeds during the seeding process can be realized.

[0024] 4. In the present utility model, since a screw - rod support column is provided in the backfilling and compacting component and the screw - rod support column is composed of an inner cylinder and an outer cylinder, and the inner cylinder and the outer cylinder are slidably adjusted through a screw rod, thereby realizing the relative sliding adjustment control between the inner cylinder and the outer cylinder. Since the inner cylinder is fixedly arranged on the installation frame, the lifting adjustment control of the adjustment wheel set on the outer cylinder relative to the entire seeding device is realized. And due to the principle of setting the screw rod, the telescopic adjustment between the inner cylinder and the outer cylinder is beneficial to the stable locking support connection for the adjustment of the adjustment wheel set in height.

[0025] 5. In the present utility model, a depth-limiting wheel mounting rod and a depth-limiting wheel fixedly connected to the outer cylinder are provided in the adjusting wheel set, and a pressing wheel mounting rod and a pressing wheel are hinged to the outer cylinder. Thus, the adjusting wheel set has the function of relatively gathering and tightly pressing the soil; more specifically, since the depth-limiting wheel mounting rod and the pressing wheel mounting rod are connected by an adjusting spring group, the distance between the depth-limiting wheel and the pressing wheel can be adjusted. Therefore, when the depth-limiting wheel and the pressing wheel roll on the soil, the pressure for gathering and tightly pressing the soil can be adjusted, better meeting the soil gathering operation under different conditions.

[0026] 6. In the present utility model, a spring fixed to the depth-limiting wheel mounting rod is provided in the adjusting spring group, and the other end of the spring is provided with a pressing wheel pressure adjusting handle. Since an adjusting tooth group is provided on the upper end face of the pressing wheel mounting rod, and the pressing wheel mounting rod is hinged to the outer cylinder; thus, by tightly clamping the pressing wheel pressure adjusting handle at different positions on the adjusting tooth group, the position adjustment between the depth-limiting wheel mounting rod and the pressing wheel mounting rod is realized, and further the distance between the depth-limiting wheel and the pressing wheel is adjusted.

[0027] 7. In the present utility model, since the depth-limiting wheel is set as two spaced-apart discs, an inclined backfilling surface is provided on the outer edge of the disc, and further the backfilling surfaces in the two discs form an "eight" shape. When the depth-limiting wheel passes through the soil with seeds placed, the inclined backfilling surface gathers the soil during the walking of the wheel, realizing the backfilling of the soil.

[0028] 8. In the present utility model, the adjusting link group includes an upper link and a lower link, and both ends of the upper link and the lower link are respectively hinged to the vertical suspension frame mounting plate and the mounting frame; thus, the suspension frame tension adjusting handle at the other end of the tension adjusting spring provided on the lower link can be tightly clamped on the floating suspension teeth provided on the upper end face of the upper link, further realizing the distance between the upper link and the lower link, so that the entire adjusting link group can drive the connected mounting frame to perform lifting adjustment control, thereby realizing the position adjustment of the entire seeding device in the height direction relative to the external power source device, meeting the use of the entire seeding device for height adaptability adjustment under different conditions.

[0029] 9. In the present utility model, a vertical anti-winding column is provided on the furrowing plate, and the anti-winding column is arranged above the hoe-type furrow opener. When the entire seeding device is walking, the anti-winding column can push aside the weeds in front, which is beneficial for subsequent seeding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0031] Figure 1 Schematic diagram of the overall structure of the seeding device of the present invention;

[0032] Figure 2 Front view structure schematic diagram of the seeding device of the present invention;

[0033] Figure 3 Bottom structure schematic diagram of the seeding device of the present invention;

[0034] Figure 4 Schematic diagram of the seeding device with an extended suspension frame mounting plate of the present invention.

[0035] In the drawings, 1 - mounting frame, 2 - seed metering assembly, 3 - backfilling and compressing assembly, 4 - ditching assembly, 5 - adjustable suspension frame, 6 - adjusting link group, 7 - suspension frame mounting plate, 8 - seed box, 9 - corn seed metering device, 10 - seed metering box, 11 - corn seed metering pipeline, 12 - seed guiding pipe belt, 13 - seed discharging opening, 14 - seed discharging opening connecting plate, 15 - screw rod support column, 16 - adjusting wheel group, 17 - inner cylinder, 18 - outer cylinder, 19 - screw rod, 20 - depth limit wheel mounting rod, 21 - press wheel mounting rod, 22 - adjusting spring group, 23 - depth limit wheel, 24 - press wheel, 25 - spring, 26 - press wheel pressure adjusting handle, 27 - adjusting tooth group, 28 - wheel disc, 29 - backfilling surface, 30 - ditching plate, 31 - hoe-type ditching opener, 32 - upper connecting rod, 33 - lower connecting rod, 34 - tension adjusting spring, 35 - suspension frame tension adjusting handle, 36 - floating suspension frame tooth group, 37 - anti-entanglement column. Specific embodiments

[0036] The following will describe in detail the embodiments of the technical solutions of the present invention in conjunction with the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, and therefore are only examples and cannot be used to limit the protection scope of the present invention.

[0037] It should be noted that unless otherwise specified, the technical terms or scientific terms used in this application should have the ordinary meanings understood by those skilled in the art to which the present invention belongs.

[0038] Refer to Figures 1 - 4 , a multifunctional seeding device, comprising:

[0039] Mounting frame 1;

[0040] A seed metering assembly 2, the seed metering assembly 2 being fixedly arranged above the mounting frame 1;

[0041] A backfilling and compacting assembly 3, the backfilling and compacting assembly 3 being fixedly arranged at one end of the mounting frame 1;

[0042] A furrowing assembly 4, the furrowing assembly 4 being fixedly arranged at the other end of the mounting frame 1; and

[0043] Above the furrowing assembly 4, an adjustable suspension frame 5 is provided. The adjustable suspension frame 5 is hingedly arranged on the mounting frame 1. The adjustable suspension frame 5 includes an adjustment link group 6 hingedly arranged with the mounting frame 1 and a suspension frame mounting plate 7 arranged at the other end of the adjustment link group 6. The suspension frame mounting plate 7 is hingedly arranged with the adjustment link group 6.

[0044] By installing the seed metering assembly 2 on the provided mounting frame 1, the placement of seeds and the subsequent supply of seed metering are realized. Among them, due to the furrowing assembly 4 being arranged on the mounting frame 1, when the mounting frame 1 moves driven by an external power source, after the furrowing assembly 4 digs the soil at the front end of the sowing device, the seeds discharged from the seed metering assembly 2 are arranged in the soil. At the same time, the backfilling and compacting assembly 3 arranged at the rear end of the mounting frame 1 realizes the reclamation and compaction of the soil where the seeds are placed, thereby realizing the integrated completion of the sowing operation, greatly improving the sowing efficiency.

[0045] Among them, due to the provision of the adjustable suspension frame 5 and the adjustment of the entire sowing device through the suspension frame mounting plate 7 on the adjustable suspension frame 5 after being fixedly installed on an external traveling power source, the entire sowing device can be adjusted in height, thereby meeting the installation with different devices and the sowing operation use of different soil terrains, greatly improving the applicable use function of the entire sowing device.

[0046] Refer to Figure 4 , as a preferred mode of this embodiment, the suspension frame mounting plate 7 is set as an extended suspension frame mounting plate structure. The extended suspension frame mounting plate structure can realize the relative installation of the entire sowing device on power sources with different external structures, realize the installation adjustment of the entire seeder, and enhance the applicability of sowing installation use.

[0047] Preferably, the seed metering assembly 2 includes a seed box 8 and a corn seed metering device 9 disposed at the lower end of the seed box 8. The corn seed metering device 9 includes a metering box 10, a corn seed metering pipeline 11, and a seed guiding belt 12. The metering box 10 is fixedly arranged on the mounting frame 1. The metering box 10 is communicated with the seed box 8 through the corn seed metering pipeline 11. The seed guiding belt 12 is arranged at the lower end of the metering box 10 and is communicated with the metering box 10.

[0048] It can be understood that by arranging the seed box 8 in the seed metering assembly 2, the overall storage and placement of seeds and the operation of preparing for sowing are realized. More specifically, by arranging the corn seed metering device 9 at the lower end of the seed box 8, the seeds are dropped into the dug soil under the action of gravity for sowing. The arrangement of the corn seed metering pipeline 11 realizes the connection between the seed box 8 and the metering box 10, and realizes the uniform transfer of seeds and the operation of dropping for sowing. Among them, the arranged seed guiding belt 12 realizes the operation of dropping and sowing the seeds in the metering box 10, and improves the uniformity of the seed sowing operation.

[0049] As a preferred mode of this embodiment, the seed metering assembly 2 can also perform the operation of metering peanut seeds.

[0050] Preferably, a seed discharging port 13 is formed on one side of the bottom of the metering box 10, and a seed discharging port connecting plate 14 is arranged at the lower end of the seed discharging port 13.

[0051] By forming the seed discharging port 13 and the seed discharging port connecting plate 14 on one side of the bottom of the metering box 10, the effective separation of seeds during the sowing process can be realized.

[0052] Preferably, the backfilling and compacting assembly 3 includes a screw support column 15 and an adjusting wheel set 16 arranged at the movable end of the screw support column 15. The screw support column 15 includes an inner cylinder 17 and an outer cylinder 18. The outer cylinder 18 and the inner cylinder 17 are slidably adjusted through a screw 19. The bottom of the inner cylinder 17 is fixedly connected to the mounting frame 1, and the adjusting wheel set 16 is arranged on the outer cylinder 18.

[0053] Combined Figure 1 and Figure 2, since a screw rod support column 15 is arranged in the backfill and compaction assembly 3, and the screw rod support column 15 is composed of an inner cylinder 17 and an outer cylinder 18, and the inner cylinder 17 and the outer cylinder 18 are slidably adjusted by a screw rod 19, thereby realizing the relative sliding adjustment control between the inner cylinder 17 and the outer cylinder 18. Since the inner cylinder 17 is fixedly arranged on the installation frame 1, the lifting adjustment control of the adjustment wheel set 16 on the outer cylinder 18 relative to the whole seeding device is realized. And because of the principle of arranging the screw rod 19, the telescopic adjustment between the inner cylinder 17 and the outer cylinder 18 is beneficial to the stable locking support connection of the adjustment wheel set 16 after height adjustment.

[0054] Preferably, the adjustment wheel set 16 includes a depth-limiting wheel mounting rod 20 fixedly connected to the outer cylinder 18 and a compaction wheel mounting rod 21 hinged to the outer cylinder 18. An adjustment spring group 22 is arranged between the depth-limiting wheel mounting rod 20 and the compaction wheel mounting rod 21; a depth-limiting wheel 23 is rotatably arranged on the depth-limiting wheel mounting rod 20, and a compaction wheel 24 is rotatably arranged at the end of the compaction wheel mounting rod 21.

[0055] It can be understood that by arranging a depth-limiting wheel mounting rod 20 and a depth-limiting wheel 23 fixedly connected to the outer cylinder 18 in the adjustment wheel set 16, and a compaction wheel mounting rod 21 and a compaction wheel 24 hinged to the outer cylinder 18, the adjustment wheel set 16 has the function of relatively gathering and compacting the soil; more specifically, since the depth-limiting wheel mounting rod 20 and the compaction wheel mounting rod 21 are connected by an adjustment spring group 22, the distance between the depth-limiting wheel 23 and the compaction wheel 24 can be adjusted, so that when the depth-limiting wheel 23 and the compaction wheel 24 roll on the soil, the pressure for gathering and compacting the soil can be adjusted, better meeting the soil gathering operation in different situations.

[0056] Preferably, the adjustment spring group 22 includes a spring 25 fixedly connected to one end of the depth-limiting wheel mounting rod 20, a compaction wheel pressure adjustment handle 26 fixedly arranged at the other end of the spring 25, and an adjustment tooth group 27 arranged on the upper end face of the compaction wheel mounting rod 21, and the compaction wheel pressure adjustment handle 26 is clamped on the adjustment tooth group 27.

[0057] Since a spring 25 fixed to the depth-limiting wheel mounting rod 20 is arranged in the adjustment spring group 22, and a compaction wheel 24 pressure adjustment handle is arranged at the other end of the spring 25, and an adjustment tooth group 27 is arranged on the upper end face of the compaction wheel mounting rod 21, and the compaction wheel mounting rod 21 is hinged to the outer cylinder 18; thus, by clamping the compaction wheel 24 pressure adjustment handle at different positions on the adjustment tooth group 27, the position adjustment between the depth-limiting wheel mounting rod 20 and the compaction wheel mounting rod 21 is realized, and then the distance between the depth-limiting wheel 23 and the compaction wheel 24 is adjusted.

[0058] Preferably, the depth-limiting wheel 23 includes two spaced-apart discs 28, and the outer edge of the disc 28 is provided with an inclined backfilling surface 29. The backfilling surfaces 29 in the two discs 28 form an "eight" shape.

[0059] As a preferred embodiment of this example, since the depth-limiting wheel 23 is set as two spaced-apart discs 28, the outer edge of the disc 28 is provided with an inclined backfilling surface 29, and then the backfilling surfaces 29 in the two discs 28 form an "eight" shape. When the depth-limiting wheel 23 passes through the soil with seeds placed, the inclined backfilling surface 29 performs a soil gathering operation on the soil during the walking of the wheel, realizing the backfilling of the soil.

[0060] Preferably, the ditching assembly 4 includes a ditching plate 30 fixedly arranged at the lower end of the mounting frame 1 and a hoe-type ditching tool 31 arranged on one side of the ditching plate 30. The hoe-type ditching tool 31 is arranged along the moving direction of the mounting frame 1.

[0061] Preferably, the adjusting link group 6 includes an upper link 32 and a lower link 33. A tension adjusting spring 34 is fixedly arranged on the lower link 33. The other end of the tension adjusting spring 34 is fixedly provided with a suspension frame tension adjusting handle 35. A floating suspension frame tooth group 36 is arranged on the upper end surface of the upper link 32. The lower end of the suspension frame tension adjusting handle 35 is tightly clamped with the floating suspension frame tooth group 36.

[0062] In Figure 2 , by including an upper link 32 and a lower link 33 in the adjusting link group 6, and making the two ends of the upper link 32 and the lower link 33 be hinged to the suspension frame mounting plate 7 and the mounting frame 1 respectively; thus, the suspension frame tension adjusting handle 35 at the other end of the tension adjusting spring 34 arranged on the lower link 33 can be tightly clamped on the floating suspension frame teeth arranged on the upper end surface of the upper link 32, and then the distance between the upper link 32 and the lower link 33 is realized, so that the whole adjusting link group 6 can drive the connected mounting frame 1 to perform lifting adjustment control, thereby realizing the position adjustment of the whole seeding device in the height direction relative to the external power source device, meeting the use of the whole seeding device for height adaptability adjustment under different conditions.

[0063] Preferably, a vertical anti-winding column 37 is arranged on the ditching plate 30. The anti-winding column 37 is rotatably arranged on the ditching plate 30. The anti-winding column 37 is arranged above the hoe-type ditching tool 31.

[0064] It can be understood that by providing a vertical anti - entanglement column 37 on the ditching plate 30 and arranging the anti - entanglement column 37 above the hoe - type ditching opener 31, when the entire seeding device is moving, the anti - entanglement column 37 can push aside the weeds and the like in front, which is beneficial for subsequent seeding operations.

[0065] The working principle and process of the present utility model:

[0066] When the multifunctional seeding device provided by the present utility model is in use, by installing the seed - metering component 2 on the installed mounting frame 1, the placement of seeds and the subsequent supply of seed metering are realized; among them, since the ditching component 4 is provided on the mounting frame 1, when the mounting frame 1 moves driven by an external power source, after the ditching component 4 digs the soil at the front end of the seeding device, the seeds discharged from the seed - metering component 2 are placed in the soil. At the same time, the backfilling and compressing component 3 installed at the rear end of the mounting frame 1 realizes the back - filling and compressing of the soil with seeds placed therein, thereby completing the integrated operation of seeding, greatly improving the seeding efficiency; among them, since the adjustable suspension frame 5 is provided, and through the adjustment of the suspension frame mounting plate 7 on the adjustable suspension frame 5 after the fixed installation of the entire seeding device on the external walking power source, the entire seeding device can be adjusted in height, thereby meeting the installation with different equipment and seeding operations for different soil topographies, greatly improving the adaptability of the entire seeding equipment.

[0067] Furthermore, the adjustment link group 6 includes an upper link 32 and a lower link 33, and both ends of the upper link 32 and the lower link 33 are respectively hinged to the suspension frame mounting plate 7 and the mounting frame 1; thus, the other end of the tension - adjusting spring 34 provided on the lower link 33, the suspension frame tension - adjusting handle 35, can be clamped on the floating suspension frame teeth provided on the upper end surface of the upper link 32, thereby realizing the distance between the upper link 32 and the lower link 33, so that the entire adjustment link group 6 can drive the connected mounting frame 1 to perform lifting adjustment control, thereby realizing the position adjustment of the entire seeding device in the height direction relative to the external power source device, meeting the height adaptability adjustment of the entire seeding equipment under different conditions.

[0068] Finally, it should be noted that: the above - mentioned embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some 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 utility model, and they should all be covered within the scope of the claims and the description of the present utility model.

Claims

1. A multifunctional seeding device, characterized in that, Comprising: An installation frame (1); A seed metering assembly (2), the seed metering assembly (2) being fixedly arranged above the installation frame (1); A backfilling and compacting assembly (3), the backfilling and compacting assembly (3) being fixedly arranged at one end of the installation frame (1); A ditching assembly (4), the ditching assembly (4) being fixedly arranged at the other end of the installation frame (1); and Above the ditching assembly (4), there is an adjustable suspension frame (5), the adjustable suspension frame (5) being hingedly arranged on the installation frame (1), the adjustable suspension frame (5) comprising an adjustment link group (6) hingedly arranged with the installation frame (1) and a suspension frame mounting plate (7) arranged at the other end of the adjustment link group (6), the suspension frame mounting plate (7) being hingedly arranged with the adjustment link group (6).

2. The multifunctional seeding device according to claim 1, characterized in that, The seed metering assembly (2) comprises a seed box (8) and a corn seed metering device (9) arranged at the lower end of the seed box (8), the corn seed metering device (9) comprising a seed metering box (10), a corn seed metering pipeline (11) and a seed guiding belt (12), the seed metering box (10) being fixedly arranged on the installation frame (1), the seed metering box (10) being communicated with the seed box (8) through the corn seed metering pipeline (11), and the seed guiding belt (12) being arranged at the lower end of the seed metering box (10) and being communicated with the seed metering box (10).

3. The multifunctional seeding device according to claim 2, characterized in that, On one side of the bottom of the seed metering box (10), there is a seed discharging opening (13) and a seed discharging opening connecting plate (14) arranged at the lower end of the seed discharging opening (13).

4. The multifunctional seeding device according to claim 1, characterized in that, The backfilling and compacting assembly (3) comprises a screw rod support column (15) and an adjustment wheel group (16) arranged on the movable end of the screw rod support column (15), the screw rod support column (15) comprising an inner cylinder (17) and an outer cylinder (18), the outer cylinder (18) and the inner cylinder (17) being slidably adjusted through a screw rod (19); the bottom of the inner cylinder (17) is fixedly connected with the installation frame (1), and the adjustment wheel group (16) is arranged on the outer cylinder (18).

5. The multi-functional seeding device according to claim 4, wherein, The adjustment wheel group (16) comprises a depth-limiting wheel mounting rod (20) fixedly connected with the outer cylinder (18) and a press wheel mounting rod (21) hingedly arranged with the outer cylinder (18), an adjustment spring group (22) being arranged between the depth-limiting wheel mounting rod (20) and the press wheel mounting rod (21); a depth-limiting wheel (23) is rotatably arranged on the depth-limiting wheel mounting rod (20), and a press wheel (24) is rotatably arranged at the end of the press wheel mounting rod (21).

6. The multifunctional seeding device according to claim 5, characterized in that, The adjustment spring group (22) comprises a spring (25) with one end fixedly connected with the depth-limiting wheel mounting rod (20), a press wheel pressure adjustment handle (26) fixedly arranged at the other end of the spring (25) and an adjustment tooth group (27) arranged on the upper end surface of the press wheel mounting rod (21), the press wheel pressure adjustment handle (26) being clamped on the adjustment tooth group (27).

7. The multifunctional seeding device according to claim 5, characterized in that, The deep limit wheel (23) includes two disks (28) arranged at intervals, and the outer edge of the disk (28) is provided with an inclined backfill surface (29). The backfill surfaces (29) in the two disks (28) form an "eight" shape.

8. The multifunctional seeding device according to claim 1, characterized in that, The ditching assembly (4) includes a ditching plate (30) fixedly arranged at the lower end of the mounting frame (1) and a hoe-type ditching tool (31) arranged on one side of the ditching plate (30). The hoe-type ditching tool (31) is arranged along the moving direction of the mounting frame (1).

9. The multifunctional seeding device according to claim 1, characterized in that, The adjusting link group (6) includes an upper link (32) and a lower link (33). A tension adjusting spring (34) is fixedly arranged on the lower link (33). The other end of the tension adjusting spring (34) is fixedly provided with a suspension frame tension adjusting handle (35). A floating suspension rack tooth group (36) is arranged on the upper end surface of the upper link (32). The lower end of the suspension frame tension adjusting handle (35) is tightly clamped with the floating suspension rack tooth group (36).

10. The multi-functional seeding device according to claim 8, characterized in that, A vertical anti-winding column (37) is arranged on the ditching plate (30). The anti-winding column (37) is rotatably arranged on the ditching plate (30). The anti-winding column (37) is arranged above the hoe-type ditching tool (31).

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