Wheat planting device capable of adjusting seeding depth
By introducing a servo motor-driven pulley set and screw system into the wheat planting device, synchronous adjustment of the tillage and backfiller is achieved, the problems of seed exposure and crushing are solved, and the seed survival rate and operation convenience are improved.
Patent Information
- Application Number
- CN202421101089.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing wheat planting device did not add backfilling steps after the pit was opened, resulting in naked seeds after sowing, and the wheels at the bottom of the rack were rolled to reduce seed survival rates, and the operation steps were cumbersome and inconvenient for use.
A device including a frame body, servo motor, pulley set, screw, connecting plate and backfiller was designed. The pulley set and screw drive the stolen knife and backfiller to move up and down synchronously, realizing seeding depth adjustment and soil Backfill coverage, simplify operation and facilitate tillage replacement.
The seed coverage after sowing is achieved, the survival rate of wheat seeds is improved, the operation steps are simplified, the seed crushing is avoided, and the convenience of the equipment is improved.
Smart Images
Figure CN222263590U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wheat planting devices, in particular to a wheat planting device with adjustable sowing depth. Background Art
[0002] The wheat sowing device is a mechanical equipment that plants wheat seeds in the land through a sowing mechanical system. It is mainly driven by a tractor to carry out sowing and is suitable for fertilizing and sowing wheat in plains and hilly areas.
[0003] There is a sowing device for wheat planting with adjustable depth, such as the Chinese patent publication number CN219437545U, which can adjust the height of multiple tillage blades to adjust the depth of the soil pit, and can quantitatively transport the sown wheat seeds to avoid clogging of the discharge pipe. At the same time, it is convenient for the staff to wash the soil attached to the surface of the tillage blades, and adjust the moisture according to the dryness of the soil, so as to facilitate the pit treatment of the land. However, the device still has certain defects;
[0004] The device does not add a backfilling step after the pit is opened, resulting in the seeds being exposed on the outer surface after sowing. The wheels at the bottom of the frame body are likely to crush the exposed seeds during movement, reducing the survival rate of the wheat seeds. In the later stage, a machine is required to backfill and cover the seeds. The operation steps are relatively cumbersome and inconvenient to use.
[0005] Therefore, we propose a wheat planting device with adjustable sowing depth to solve the above problems. Utility Model Content
[0006] The purpose of the utility model is to provide a wheat planting device with adjustable sowing depth, so as to solve the problem that the existing wheat planting device proposed in the above background technology does not add a backfilling step after the pit is opened, resulting in the seeds after sowing being exposed on the outer surface, and the wheels at the bottom of the frame body are easy to crush the exposed seeds during the movement, thereby reducing the survival rate of the wheat seeds, and the machine is required to backfill and cover the seeds at a later stage, and the operation steps are relatively cumbersome and inconvenient to use.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wheat planting device with adjustable sowing depth, comprising a frame body, a servo motor, a pulley group, a first screw, a first threaded sleeve, a first connecting rod, a first connecting plate and a tiller, wherein a cavity is opened inside the frame body, a servo motor is installed on the outside of the frame body, the output end of the servo motor is externally connected to the pulley group, the output end of the servo motor is connected to the first screw, the external thread of the first screw is connected to the first threaded sleeve, the bottom of the first threaded sleeve is connected to the first connecting rod through a hinge seat, the bottom of the first connecting rod is connected to the first connecting plate through a hinge seat, the lower part of the first connecting plate is connected to the tiller, one end of the pulley group is connected to the second screw through a fixed shaft, the outer surface of the second screw is threadedly connected to the second threaded sleeve, the bottom of the second threaded sleeve is connected to the second connecting rod through a hinge seat, the bottom of the second connecting rod is connected to the second connecting plate through a hinge seat, and a backfiller is provided at the bottom of the second connecting plate.
[0008] Preferably, both sides of the frame body are welded and connected with limiting blocks, and a limiting rod connected to the first connecting plate passes through the inside of the limiting block.
[0009] With the above structural design, the first connecting plate can move along the limiting rod when moving up and down, thereby preventing the first connecting plate from deflecting.
[0010] Preferably, the top ends of both sides of the tilling blade are provided with a slot, and the interior of the first connecting plate is provided with a placement cavity.
[0011] With the above structural design, the placement cavity is located inside the first connecting plate and is symmetrically arranged about the central axis of the tilling blade.
[0012] Preferably, a clamping rod is slidably connected inside the placement cavity, and a tension spring is welded and connected between the clamping rod and the placement cavity.
[0013] With the above structural design, after the clamping rod is loosened, the tension spring can drive the clamping rod to reset.
[0014] Preferably, a support rod is welded to the outer surface of the clamping rod, and the clamping rod is clamped with the clamping slot.
[0015] With the above structural design, the clamping rod can be separated from the clamping groove at the tilling blade by pulling the support rod.
[0016] Preferably, a slide groove is provided inside the first connecting plate, and the slide groove is symmetrically arranged about the central axis of the tilling blade.
[0017] With the above structural design, the slide grooves are located on both sides of the placement cavity, and the support rods can drive the clamping rods to slide inside the slide grooves.
[0018] Compared with the prior art, the beneficial effects of the utility model are: the wheat planting device with adjustable sowing depth;
[0019] 1. By setting the frame body, servo motor, pulley group, first screw, first threaded sleeve, connecting rod, connecting plate and tilling knife, when the servo motor is started, the output end of the servo motor drives the pulley group, the first screw and the second screw to rotate, so that the first threaded sleeve drives the first connecting rod to move left and right, and the first connecting rod can push the first connecting plate and the tilling knife to move up and down, so that the sowing depth can be adjusted. At the same time, the backfiller and the tilling knife are adjusted up and down synchronously, so that the backfiller can backfill and cover the soil of different tillage depths.
[0020] 2. By means of the provided card slot, placement cavity, card rod, tension spring, support rod and slide groove, the support rod is pulled to both sides so that the support rod drives the card rod to move inside the slide groove, so that the card rod is separated from the card slot at the tiller blade, and then the tiller blade is pulled to separate the tiller blade from the first connecting plate, thereby achieving the purpose of facilitating the replacement of the tiller blade. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0022] Figure 2 It is a side view cutaway structural schematic diagram of the utility model;
[0023] Figure 3 This is a schematic diagram of the utility model in a top view and cutaway structure;
[0024] Figure 4 For this utility model Figure 2 The enlarged structural diagram at A in the middle;
[0025] Figure 5 It is a side structural schematic diagram of the utility model.
[0026] In the figure: 1, frame body; 2, cavity; 3, servo motor; 4, pulley assembly; 5, first screw; 6, first threaded sleeve; 7, first connecting rod; 8, first connecting plate; 9, tiller; 10, second screw; 11, second threaded sleeve; 12, second connecting rod; 13, second connecting plate; 14, backfiller; 15, limit block; 16, limit rod; 17, slot; 18, placement cavity; 19, clamping rod; 20, tension spring; 21, support rod; 22, slide groove. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] See also Figure 1-5 The utility model provides a technical solution: a wheat planting device with adjustable sowing depth, including the utility model provides the following technical solution: a wheat planting device with adjustable sowing depth, including a frame body 1, a servo motor 3, a pulley group 4, a first screw 5, a first threaded sleeve 6, a first connecting rod 7, a first connecting plate 8 and a tiller 9, a cavity 2 is opened inside the frame body 1, a servo motor 3 is installed on the outside of the frame body 1, the output end of the servo motor 3 is externally connected to the pulley group 4, the output end of the servo motor 3 is connected to the first screw 5, the external thread of the first screw 5 is connected to the first threaded sleeve 6, the bottom of the first threaded sleeve 6 is connected to the first connecting rod 7 through a hinge seat, and the bottom of the first connecting rod 7 is connected to the first connecting rod 7 through a hinge seat A connecting plate 8, a tiller 9 is connected to the bottom of the first connecting plate 8, one end of the pulley group 4 is connected to the second screw 10 through a fixed shaft, the outer surface of the second screw 10 is threadedly connected to the second threaded sleeve 11, the bottom of the second threaded sleeve 11 is connected to the second connecting rod 12 through a hinge seat, the bottom hinge seat of the second connecting rod 12 is connected to the second connecting plate 13, a backfiller 14 is provided at the bottom of the second connecting plate 13, a seeder is provided above the frame body 1, and the bottom end of the seeder is connected to a pipeline, a valve is provided at the pipeline, when the height of the tiller 9 is adjusted, the valve is opened to allow wheat seeds to enter the soil after the tiller 9 is reclaimed through the pipeline, and the backfiller 14 can flatten the piled soil so that the soil covers the wheat seeds, thereby increasing the survival rate of the wheat seeds.
[0029] Limit blocks 15 are welded to both sides of the frame body 1. A limit rod 16 connected to the first connecting plate 8 runs through the inside of the limit block 15. When the first connecting plate 8 moves up and down, it can move along the limit rod 16 to prevent the first connecting plate 8 from shifting.
[0030] A slot 17 is provided at the top of both sides of the tilling blade 9 , and a placement cavity 18 is provided inside the first connecting plate 8 . The placement cavity 18 is located inside the first connecting plate 8 and is symmetrically arranged about the central axis of the tilling blade 9 .
[0031] A clamping rod 19 is slidably connected inside the placement cavity 18, and a tension spring 20 is welded and connected between the clamping rod 19 and the placement cavity 18. After the clamping rod 19 is loosened, the tension spring 20 can drive the clamping rod 19 to reset.
[0032] The outer surface of the clamping rod 19 is welded with a support rod 21 , and the clamping rod 19 is clamped with the clamping slot 17 . The clamping rod 19 can be separated from the clamping slot 17 at the tilling blade 9 by pulling the support rod 21 .
[0033] A slide groove 22 is provided inside the first connecting plate 8 , and the slide groove 22 is symmetrically arranged about the central axis of the tiller blade 9 . The slide groove 22 is located on both sides of the placement cavity 18 , and the support rod 21 can drive the clamping rod 19 to slide inside the slide groove 22 .
[0034] Working principle: When using the wheat planting device with adjustable sowing depth, first start the servo motor 3. The output end of the servo motor 3 drives the pulley group 4, the first screw 5 and the second screw 10 to rotate, so that the first threaded sleeve 6 drives the first connecting rod 7 to move left and right, and the first connecting rod 7 can push the first connecting plate 8 and the tiller 9 to move up and down, so that the sowing depth can be adjusted. The valve under the seeder is opened to allow the seeds to enter the soil cultivated by the tiller 9 through the pipeline. At the same time, the backfiller 14 is adjusted up and down synchronously with the tiller 9, so that the backfiller 14 can backfill the soil of different tillage depths and cover the wheat seeds.
[0035] When the tiller blade 9 needs to be replaced, the support rod 21 can be pulled to both sides, so that the support rod 21 drives the clamping rod 19 to move inside the slide groove 22, so that the clamping rod 19 is separated from the clamping groove 17 at the tiller blade 9, and then the tiller blade 9 is pulled to separate the tiller blade 9 from the first connecting plate 8, thereby achieving the purpose of facilitating the replacement of the tiller blade 9.
[0036] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A wheat planting device with adjustable sowing depth, comprising a frame body (1), a servo motor (3), a pulley group (4), a first screw rod (5), a first threaded sleeve (6), a first connecting rod (7), a first connecting plate (8) and a tillage blade (9), characterized in that: A cavity (2) is provided inside the frame body (1), a servo motor (3) is installed outside the frame body (1), an output end of the servo motor (3) is externally connected to a pulley group (4), the output end of the servo motor (3) is connected to a first screw rod (5), the external thread of the first screw rod (5) is connected to a first threaded sleeve (6), the bottom of the first threaded sleeve (6) is connected to a first connecting rod (7) via a hinge seat, the bottom of the first connecting rod (7) is connected to a first connecting plate (8) via a hinge seat, and a tiller (9) is connected below the first connecting plate (8); One end of the pulley group (4) is connected to a second screw rod (10) via a fixed shaft, the outer surface of the second screw rod (10) is threadedly connected to a second threaded sleeve (11), the bottom of the second threaded sleeve (11) is connected to a second connecting rod (12) via a hinged seat, the bottom hinged seat of the second connecting rod (12) is connected to a second connecting plate (13), and a backfiller (14) is provided at the bottom of the second connecting plate (13).
2. A wheat planting device with adjustable sowing depth according to claim 1, characterized in that: Limit blocks (15) are welded to both sides of the frame body (1), and a limit rod (16) connected to the first connecting plate (8) passes through the interior of the limit block (15).
3. The wheat planting device with adjustable sowing depth according to claim 1, characterized in that: The top ends of both sides of the tilling blade (9) are provided with a clamping groove (17), and the interior of the first connecting plate (8) is provided with a placement cavity (18).
4. The wheat planting device with adjustable sowing depth according to claim 3, characterized in that: A clamping rod (19) is slidably connected inside the placement cavity (18), and a tension spring (20) is welded between the clamping rod (19) and the placement cavity (18).
5. A wheat planting device with adjustable sowing depth according to claim 4, characterized in that: A support rod (21) is welded to the outer surface of the clamping rod (19), and the clamping rod (19) is clamped with the clamping slot (17).
6. The wheat planting device with adjustable sowing depth according to claim 1, characterized in that: A slide groove (22) is provided inside the first connecting plate (8), and the slide groove (22) is symmetrically arranged with respect to the central axis of the tilling blade (9).