Seeding equipment for hilly area and use method thereof
By designing a hilly area sowing equipment including a seeding box and a quantitative seeding box, quantitative seeding components are used to realize quantitative seeding, which solves the problem of uneven seed distribution in the sowing operations in hilly areas, and improves seeding efficiency and crop quality.
Patent Information
- Application Number
- CN202510296509.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2025-04-22
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Due to the complex terrain and changing soil characteristics in hilly areas, the traditional sowing method is difficult to control the seed sowing amount, resulting in uneven seed distribution, affecting the yield and quality of crops.
A hilly area seeding equipment is designed, including a seeding box and a metering box, and seeding components (such as a first motor, a turntable, a leak-limiting hole, an electric telescopic rod, a push block, a second motor, a rotating rod, a metering wheel and a hollow tube) are realized. The device quantitatively picks up seeds from the seed box through a motor-driven mechanical device and sows the seeds onto the soil surface through a hollow tube.
Accurate control of seed sowing amount is achieved, avoiding the problem of too dense or too thin seeds, and improving sowing efficiency and crop yield and quality.
Smart Images
Figure CN119856620A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of agricultural machinery, and in particular to a sowing device for a hilly area and a method of using the same. Background Art
[0002] Hilly and mountainous areas are important production areas of dryland crops such as corn, peanuts, and soybeans in my country. Although the cultivated area of crops in my country's hilly and mountainous areas is large, the level of mechanized sowing of dryland crops is still relatively low, and sowing operations are mainly completed manually, with problems such as low efficiency, high labor intensity, and unstable sowing quality.
[0003] Due to the complex and changeable terrain of hilly areas, significant differences in slope and height, as well as different soil fertility, water content, organic matter content and other soil properties, these natural factors have brought great challenges to traditional sowing methods. In this environment, farmers often rely on manual or simple machinery for sowing, and it is difficult to control the amount of seeds sown. This leads to extremely uneven seed distribution in the actual sowing process. In some fertile and well-watered areas, the seeds may be too dense, the competition between plants intensifies, the competition for nutrients is fierce, and the growth space is limited, which ultimately affects the yield and quality of crops. In some barren or arid areas, the seeds may be too sparse. Therefore, it is necessary to propose a hilly area sowing equipment and a method for using the same. Summary of the invention
[0004] The purpose of the present invention is to solve the problem of sowing quantity control caused by manual or simple mechanical sowing in the prior art. Extensive sowing will lead to extremely uneven seed distribution in the actual sowing process. In some fertile and well-watered areas, the seeds may be too dense, the competition between plants will intensify, the competition for nutrients will be fierce, and the growth space will be limited. The present invention proposes a sowing device for hilly areas and a method of using the same, which will make the sowing amount accurately controllable.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions:
[0006] A sowing device for a hilly area comprises a seed feeding box and a quantitative box, the seed feeding box and the quantitative box are fixedly connected, a quantitative sowing assembly is commonly arranged between the seed feeding box and the quantitative box, the quantitative sowing assembly comprises a first motor, a rotating disk and a leakage limiting hole movably connected on the seed feeding box, and an electric telescopic rod, a pushing block, a second motor, a rotating rod, a quantitative wheel and a hollow tube movably connected on the quantitative box, the starting of the first motor drives the rotating disk to swing back and forth in a horizontal direction, and the seeds fall from the inner side of the leakage limiting hole, the starting of the electric telescopic rod pushes the pushing block to push the seeds in a horizontal direction, the starting of the second motor drives the rotating rod to rotate, the rotation of the rotating rod drives the quantitative wheel to rotate, the rotation of the quantitative wheel picks up the seeds quantitatively, and the seeds fall into the hollow tube below due to the action of gravity, the end of the hollow tube away from the quantitative box is movably connected with a soil-moving block and a soil-leveling plate, the outer side of the quantitative box is movably connected with a buffer spring, a first L-shaped plate, a servo motor and a threaded plate, and the outer side of the quantitative box is movably connected with a handrail and a wheel.
[0007] The above technical solution further includes:
[0008] A seed leakage hole is provided on one side of the seed input box close to the quantitative box, a horizontal plate is fixedly connected to the inner side of the seed input box, an end of the horizontal plate away from the quantitative box is fixedly connected to the first motor, an output shaft end of the first motor is fixedly connected to the turntable, a size of the seed leakage hole is matched with a size of the leakage limiting hole, the output shaft end of the first motor will drive the turntable to rotate, and the turntable will swing back and forth in the horizontal direction.
[0009] A sliding groove is provided at the inner bottom of the quantitative box, the inner side of the quantitative box and the electric telescopic rod are fixedly connected, the output shaft end of the electric telescopic rod and the push block are fixedly connected, the push block and the sliding groove are slidably connected, the output shaft end of the electric telescopic rod will drive the push block to move in the horizontal direction, and the horizontal movement of the push block can push the seeds to move.
[0010] The inner side of the metering box is fixedly connected to the second motor, the output shaft end of the second motor is fixedly connected to the rotating rod, and the end of the rotating rod away from the second motor is fixedly connected to the metering wheel. When the seeds move due to the action of the pushing block, the seeds will be pushed to the side close to the metering wheel by the pushing block.
[0011] The side of the metering box away from the seed input box is fixedly connected to the hollow tube, the end of the hollow tube away from the metering box is fixedly connected to a fixing plate, the outer side of the fixing plate is fixedly connected to the soil-moving block, the outer side of the fixing plate is fixedly connected to the soil-leveling plate, the soil-leveling plate will fill the soil, so that the device can complete the seed sowing during the movement.
[0012] One end of the leveling plate close to the hollow tube is fixedly connected with a connecting plate, and one end of the connecting plate away from the leveling plate is fixedly connected to the quantitative box, and the connecting plate mainly plays a supporting role.
[0013] A movable rod is movably connected to the outer side of the quantitative box, and the end of the movable rod away from the quantitative box is fixedly connected to the first L-shaped plate. A buffer spring is fixedly connected to the side of the first L-shaped plate close to the quantitative box, and the end of the buffer spring away from the first L-shaped plate is fixedly connected to the quantitative box.
[0014] A second L-shaped plate is fixedly connected to the outer side of the first L-shaped plate, and one end of the second L-shaped plate close to the first L-shaped plate is fixedly connected to the servo motor. The output shaft end of the servo motor is fixedly connected to the threaded plate, and the rotation of the output shaft end of the servo motor will drive the threaded plate to rotate.
[0015] The outer side of the connecting plate is fixedly connected with a fixing plate, and the outer side of the connecting plate is fixedly connected with wheels, and the wheels can roll forward under the action of the handrail.
[0016] A method for using a sowing device in a hilly area,
[0017] Step 1: First, put the seeds into the inner side of the seed box. At this time, the first motor will start, and the output shaft end of the first motor will drive the turntable to rotate. The turntable will swing back and forth in the horizontal direction. The swing of the turntable will cause the seeds inside the seed box to fall from the inner side of the leakage limiting hole in a quantitative manner.
[0018] Step 2: The seeds will fall from the inner side of the leakage limiting hole into the inner side of the sliding groove below. At this time, the electric telescopic rod will start, and the output shaft end of the electric telescopic rod will drive the push block to move in the horizontal direction. The horizontal movement of the push block can push the seeds to move.
[0019] Step 3: When the seeds move due to the push block, the second motor will start, the start of the second motor will drive the rotating rod to rotate, the rotation of the rotating rod will drive the quantitative wheel to rotate, the rotation of the quantitative wheel will pick up the seeds one by one, and the seeds will rotate with the rotation of the quantitative wheel. While the quantitative wheel rotates, the seeds will fall into the inner side of the hollow tube below due to the action of gravity.
[0020] Step 4: When the device is in operation, the threaded plate rotates to loosen the soil, and the soil-moving block will dig a trench in the soil during the movement. The seeds fall into the trench from the inside of the hollow tube, and the horizontal movement of the leveling plate will fill the trench.
[0021] The present invention has the following beneficial effects:
[0022] 1. In the present invention, by setting a quantitative sowing component, the seeds will fall from the inner side of the leakage limiting hole, the start of the electric telescopic rod will push the push block to push the seeds in the horizontal direction, the start of the second motor will drive the rotating rod to rotate, the rotation of the rotating rod will drive the quantitative wheel to rotate, the rotation of the quantitative wheel will pick up the seeds quantitatively, and the seeds will fall into the hollow tube below due to the action of gravity. The rotation of the quantitative wheel can control the seed sowing amount, thereby avoiding the situation where the seeds are too dense, the competition between plants is intensified, and the competition for nutrients is fierce and the growth space is limited.
[0023] 2. In the present invention, further, when the device moves, the movement of the soil-moving block will push the soil to both sides, and the seeds will fall from the hollow tube to the bottom due to the effect of gravity. The movement of the soil-leveling plate can fill the soil pile, so that the device can complete the seed sowing during the movement. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic diagram of the overall structure of a hilly area sowing device and a method of using the device proposed by the present invention;
[0025] Figure 2 This is a schematic diagram of the overall top view of a hilly area sowing device and a method of using the device proposed by the present invention;
[0026] Figure 3 This is a schematic diagram of the overall cross-sectional structure of a hilly area seeding device and a method of using the device proposed by the present invention;
[0027] Figure 4 This is a schematic diagram of the overall cross-sectional top view of a hilly area sowing device and a method of using the device proposed by the present invention;
[0028] Figure 5 for Figure 3 A schematic diagram of the structure enlargement in the middle;
[0029] Figure 6 for Figure 4 A magnified schematic diagram of the structure at B in the middle;
[0030] Figure 7 for Figure 4 Enlarged schematic diagram of the structure at point C in the middle.
[0031] In the figure: 1. seed feed box; 2. seed leakage hole; 3. horizontal plate; 4. first motor; 5. turntable; 6. leakage limit hole; 7. quantitative box; 8. sliding groove; 9. electric telescopic rod; 10. push block; 11. second motor; 12. rotating rod; 13. quantitative wheel; 14. hollow tube; 15. fixed plate; 16. soil-moving block; 17. soil-leveling plate; 18. connecting plate; 19. movable rod; 20. buffer spring; 21. first L-shaped plate; 22. second L-shaped plate; 23. servo motor; 24. threaded plate; 25. handrail; 26. wheel. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0033] Embodiment 1
[0034] like Figure 1-Figure 7 As shown, a hilly area sowing device proposed by the present invention includes a seed feeding box 1 and a quantitative box 7, which are fixedly connected to each other, and a quantitative sowing component is commonly arranged between the seed feeding box 1 and the quantitative box 7, and the quantitative sowing component includes a first motor 4, a rotating disk 5 and a leakage limiting hole 6 movably connected to the seed feeding box 1, and an electric telescopic rod 9, a push block 10, a second motor 11, a rotating rod 12, a quantitative wheel 13 and a hollow tube 14 movably connected to the quantitative box 7. The start of the first motor 4 will drive the rotating disk 5 to swing back and forth in the horizontal direction, and the seeds will fall from the inner side of the leakage limiting hole 6, and the electric telescopic rod 9, a push block 10, a second motor 11, a rotating rod 12, a quantitative wheel 13 and a hollow tube 14 will be movably connected to the quantitative box 7. The start of the retracting rod 9 will push the pushing block 10 to push the seeds in the horizontal direction. The start of the second motor 11 will drive the rotating rod 12 to rotate. The rotation of the rotating rod 12 will drive the quantitative wheel 13 to rotate. The rotation of the quantitative wheel 13 will pick up the seeds quantitatively, and the seeds will fall into the hollow tube 14 below due to the action of gravity. The end of the hollow tube 14 away from the quantitative box 7 is movably connected with a soil-moving block 16 and a soil-leveling plate 17. The outer side of the quantitative box 7 is movably connected with a buffer spring 20, a first L-shaped plate 21, a servo motor 23 and a threaded plate 24. The outer side of the quantitative box 7 is movably connected with a handrail 25 and a wheel 26.
[0035] A seed leakage hole 2 is provided on one side of the seed input box 1 close to the quantitative box 7, and a horizontal plate 3 is fixedly connected to the inner side of the seed input box 1. The end of the horizontal plate 3 away from the quantitative box 7 is fixedly connected to the first motor 4, and the output shaft end of the first motor 4 is fixedly connected to the turntable 5. The size of the seed leakage hole 2 is adapted to the size of the leakage limiting hole 6. The output shaft end of the first motor 4 will drive the turntable 5 to rotate, and the turntable 5 will swing back and forth in the horizontal direction.
[0036] A sliding groove 8 is provided at the inner bottom of the quantitative box 7, the inner side of the quantitative box 7 and the electric telescopic rod 9 are fixedly connected, the output shaft end of the electric telescopic rod 9 and the push block 10 are fixedly connected, the push block 10 and the sliding groove 8 are slidably connected, the output shaft end of the electric telescopic rod 9 will drive the push block 10 to move in the horizontal direction, and the horizontal movement of the push block 10 can push the seeds to move.
[0037] The inner side of the metering box 7 is fixedly connected to the second motor 11, the output shaft end of the second motor 11 is fixedly connected to the rotating rod 12, and the end of the rotating rod 12 away from the second motor 11 is fixedly connected to the metering wheel 13. When the seeds move due to the action of the pushing block 10, the seeds will be pushed to the side close to the metering wheel 13 by the pushing block 10.
[0038] The seeds will fall from the inner side of the leakage limiting hole 6, and the start of the electric telescopic rod 9 will push the push block 10 to push the seeds in the horizontal direction. The start of the second motor 11 will drive the rotating rod 12 to rotate, and the rotation of the rotating rod 12 will drive the quantitative wheel 13 to rotate. The rotation of the quantitative wheel 13 will pick up the seeds quantitatively, and the seeds will fall into the hollow tube 14 below due to the action of gravity. The seed sowing amount can be controlled by the rotation of the quantitative wheel 13. The specific implementation method is that when the device is in use, the seeds need to be placed in the inner side of the seed feeding box 1, and the seeds will be exposed from the leakage hole 2 inside the seed feeding box 1. At this time, the first motor 4 will be started, and the output shaft end of the first motor 4 will drive the turntable 5 to rotate, and the turntable 5 will swing back and forth in the horizontal direction. The swing of the turntable 5 will cause the seeds inside the seed feeding box 1 to fall quantitatively from the inner side of the leakage limiting hole 6, and the seeds will fall into the lower sliding groove 8 through the inner side of the leakage limiting hole 6. On the inside, the sliding groove 8 and the pushing block 10 are slidably connected. At this time, the electric telescopic rod 9 will be started, and the output shaft end of the electric telescopic rod 9 will drive the pushing block 10 to move in the horizontal direction. The horizontal movement of the pushing block 10 can push the seeds to move. When the seeds move due to the action of the pushing block 10, the seeds will be pushed to the side close to the quantitative wheel 13 by the pushing block 10, and the second motor 11 will be started. The start of the second motor 11 will drive the rotating rod 12 to rotate, and the rotation of the rotating rod 12 will drive the quantitative wheel 13 to rotate. The rotation of the quantitative wheel 13 will pick up the seeds in turn, so that the seeds rotate with the rotation of the quantitative wheel 13. When the quantitative wheel 13 rotates, the seeds will fall into the inner side of the hollow tube 14 below due to the action of gravity. The rotation of the quantitative wheel 13 can control the seed sowing amount, thereby avoiding the situation where the seeds are too dense, the competition between plants is intensified, and the competition for nutrients is fierce and the growth space is limited.
[0039] Embodiment 2
[0040] like Figure 1-Figure 7 As shown, based on the first embodiment, the side of the metering box 7 away from the seed feeding box 1 is fixedly connected to the hollow tube 14, the end of the hollow tube 14 away from the metering box 7 is fixedly connected with a fixing plate 15, the outer side of the fixing plate 15 is fixedly connected to the soil-moving block 16, the outer side of the fixing plate 15 is fixedly connected to the soil-leveling plate 17, the soil-leveling plate 17 will fill the soil, so that the device can complete the seed sowing during the movement.
[0041] One end of the leveling plate 17 close to the hollow tube 14 is fixedly connected with a connecting plate 18 , and one end of the connecting plate 18 away from the leveling plate 17 is fixedly connected to the quantitative box 7 , and the connecting plate 18 mainly plays a supporting role.
[0042] A movable rod 19 is movably connected to the outer side of the metering box 7, and the end of the movable rod 19 away from the metering box 7 is fixedly connected to the first L-shaped plate 21. A buffer spring 20 is fixedly connected to the side of the first L-shaped plate 21 close to the metering box 7, and the end of the buffer spring 20 away from the first L-shaped plate 21 is fixedly connected to the metering box 7.
[0043] A second L-shaped plate 22 is fixedly connected to the outer side of the first L-shaped plate 21. One end of the second L-shaped plate 22 close to the first L-shaped plate 21 is fixedly connected to the servo motor 23. The output shaft end of the servo motor 23 is fixedly connected to the threaded plate 24. The rotation of the output shaft end of the servo motor 23 will drive the threaded plate 24 to rotate.
[0044] The outer side of the connecting plate 18 is fixedly connected to the fixing plate 15 , and the outer side of the connecting plate 18 is fixedly connected to the wheels 26 , which can roll forward under the action of the handrails 25 .
[0045] In this embodiment, the movement of the soil-moving block 16 will push the soil to both sides, and the seeds will fall from the hollow tube 14 to the bottom due to the effect of gravity. The movement of the leveling plate 17 can fill the soil pile. The specific implementation method is that during the movement of the device, the handrail 25 is pushed, and the wheel 26 will roll forward under the action of the handrail 25. The function of the second L-shaped plate 22 is to connect the first L-shaped plate 21 and the servo motor 23. When the servo motor 23 is started, the rotation of the output shaft end of the servo motor 23 will drive the threaded plate 24 to rotate. The threaded plate 24 can loosen the land in the hilly area. As the device moves, the movement of the soil-moving block 16 can open a groove in the loose soil. During the movement, the seeds inside the hollow tube 14 will fall into the groove. As the device continues to move forward, the leveling plate 17 will fill the soil, so that the device can complete the seed sowing during the movement.
[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A sowing device for hilly areas, comprising a seed feeding box (1) and a quantitative box (7), characterized in that: The seed feeding box (1) and the quantitative box (7) are fixedly connected, and a quantitative sowing assembly is provided between the seed feeding box (1) and the quantitative box (7). The quantitative sowing assembly comprises a first motor (4), a rotating disk (5) and a leakage limiting hole (6) movably connected to the seed feeding box (1), and an electric telescopic rod (9), a push block (10), a second motor (11), a rotating rod (12), a quantitative wheel (13) and a hollow tube (14) movably connected to the quantitative box (7). When the first motor (4) is started, the rotating disk (5) is driven to swing back and forth in a horizontal direction, and the seeds fall from the inner side of the leakage limiting hole (6). When the electric telescopic rod (9) is started, the push block (10) is pushed to The seeds are pushed in the horizontal direction, and the start of the second motor (11) drives the rotating rod (12) to rotate, and the rotation of the rotating rod (12) drives the quantitative wheel (13) to rotate, and the rotation of the quantitative wheel (13) picks up the seeds quantitatively, and the seeds fall into the hollow tube (14) below due to the action of gravity, and the end of the hollow tube (14) away from the quantitative box (7) is movably connected with a soil-moving block (16) and a soil-leveling plate (17), and the outer side of the quantitative box (7) is movably connected with a buffer spring (20), a first L-shaped plate (21), a servo motor (23) and a threaded plate (24), and the outer side of the quantitative box (7) is movably connected with a handrail (25) and a wheel (26).
2. A hilly area sowing equipment according to claim 1, characterized in that: A seed leakage hole (2) is provided on a side of the seed feeding box (1) close to the quantitative box (7); a transverse plate (3) is fixedly connected to the inner side of the seed feeding box (1); an end of the transverse plate (3) away from the quantitative box (7) is fixedly connected to the first motor (4); an output shaft end of the first motor (4) is fixedly connected to the turntable (5); and the size of the seed leakage hole (2) is matched to the size of the leakage limiting hole (6).
3. A hilly area sowing equipment according to claim 1, characterized in that: The inner bottom of the quantitative box (7) is provided with a sliding groove (8), the inner side of the quantitative box (7) and the electric telescopic rod (9) are fixedly connected, the output shaft end of the electric telescopic rod (9) and the push block (10) are fixedly connected, and the push block (10) and the sliding groove (8) are slidably connected.
4. The hilly area sowing equipment according to claim 1, characterized in that: The inner side of the metering box (7) is fixedly connected to the second motor (11), the end of the output shaft of the second motor (11) is fixedly connected to the rotating rod (12), and the end of the rotating rod (12) away from the second motor (11) is fixedly connected to the metering wheel (13).
5. The hilly area sowing equipment according to claim 1, characterized in that: The side of the metering box (7) away from the seed feeding box (1) is fixedly connected to the hollow tube (14), the end of the hollow tube (14) away from the metering box (7) is fixedly connected to a fixing plate (15), the outer side of the fixing plate (15) is fixedly connected to a soil-moving block (16), and the outer side of the fixing plate (15) is fixedly connected to a soil-leveling plate (17).
6. The hilly area sowing equipment according to claim 1, characterized in that: One end of the leveling plate (17) close to the hollow tube (14) is fixedly connected to a connecting plate (18), and one end of the connecting plate (18) away from the leveling plate (17) is fixedly connected to the quantitative box (7).
7. The hilly area sowing equipment according to claim 1, characterized in that: A movable rod (19) is movably connected to the outer side of the quantitative box (7); an end of the movable rod (19) away from the quantitative box (7) is fixedly connected to a first L-shaped plate (21); a buffer spring (20) is fixedly connected to a side of the first L-shaped plate (21) close to the quantitative box (7); and an end of the buffer spring (20) away from the first L-shaped plate (21) is fixedly connected to the quantitative box (7).
8. The hilly area sowing equipment according to claim 7, characterized in that: A second L-shaped plate (22) is fixedly connected to the outer side of the first L-shaped plate (21); an end of the second L-shaped plate (22) close to the first L-shaped plate (21) is fixedly connected to a servo motor (23); and an end of an output shaft of the servo motor (23) is fixedly connected to a threaded plate (24).
9. The hilly area sowing equipment according to claim 6, characterized in that: The outer side of the connecting plate (18) is fixedly connected to a fixing plate (15), and the outer side of the connecting plate (18) is fixedly connected to a wheel (26).
10. The method for using a hilly area sowing device according to claim 1, characterized in that: Step 1: First, seeds need to be placed inside the seed feeding box (1). At this time, the first motor (4) will be started, and the output shaft end of the first motor (4) will drive the turntable (5) to rotate, and the turntable (5) will swing back and forth in the horizontal direction. The swing of the turntable (5) will cause the seeds inside the seed feeding box (1) to fall quantitatively from the inside of the leakage limiting hole (6). Step 2: The seeds will fall from the inner side of the leakage limiting hole (6) into the inner side of the lower sliding groove (8). At this time, the electric telescopic rod (9) will start, and the output shaft end of the electric telescopic rod (9) will drive the push block (10) to move in the horizontal direction. The horizontal movement of the push block (10) can push the seeds to move. Step 3: When the seeds are moved by the push block (10), the second motor (11) is started, and the start of the second motor (11) drives the rotating rod (12) to rotate, and the rotation of the rotating rod (12) drives the quantitative wheel (13) to rotate. The rotation of the quantitative wheel (13) picks up the seeds in sequence, so that the seeds rotate with the rotation of the quantitative wheel (13). When the quantitative wheel (13) rotates, the seeds fall into the inner side of the hollow tube (14) below due to the action of gravity. Step 4: When the device is in operation, the threaded plate (24) rotates to loosen the soil, and the soil block (16) will dig a soil groove in the soil during the movement. The seeds fall into the soil groove from the inner side of the hollow tube (14), and the horizontal movement of the soil leveling plate (17) will fill the soil groove.