Land leveling instrument with angle adjusting mechanism

By introducing a servo motor, hydraulic cylinder, and worm gear mechanism into the grader, the problem of inflexible scraper angle adjustment was solved, enabling flexible scraper angle adjustment and effective soil crushing, thus improving leveling efficiency and stability.

CN223613783UActive Publication Date: 2025-12-02GANSU YINSHENG AGRICULTURAL MACHINERY CO LTD
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Patent Information

Application Number
CN202423097256.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-02
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing land leveling instruments have difficulty adjusting the angle of the leveling scraper when leveling land at corners, making them inconvenient to use.

Method used

It adopts a servo motor, hydraulic cylinder and worm gear mechanism. The hydraulic cylinder drives the leveling scraper to rise and fall, the servo motor drives the worm gear to rotate to adjust the scraper angle, and it is equipped with limit guide rail and limit block to improve stability. Combined with crushing roller and crushing rod, it can handle soil clod accumulation.

Benefits of technology

The screed angle can be flexibly adjusted, which improves the flexibility and stability of the leveler, prevents soil accumulation, and improves leveling efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of agricultural machinery, and discloses a land leveling instrument with an angle adjusting mechanism, which comprises a mounting plate, a connecting plate is arranged at the bottom end of the mounting plate, and a land leveling scraper is arranged at the bottom end of the connecting plate. According to the land leveling instrument with the angle adjusting mechanism, the rotating shaft, the servo motor, the first mounting block, a first hydraulic cylinder, a worm gear and a worm are arranged, the first hydraulic cylinder can enable the bottom end of a land leveling scraper to ascend and descend according to requirements, and therefore the inclination angle of the land leveling scraper can be adjusted, and the land leveling instrument can be conveniently suitable for different conditions; when the direction of the land leveling scraper needs to be adjusted by rotating the land leveling scraper, a servo motor is started and drives a rotating shaft to rotate through a worm and a worm gear, the rotating shaft rotates to enable the land leveling scraper to rotate through a connecting plate, the flexibility of the device can be further improved, and the problems that the angle of the land leveling scraper is inconvenient to adjust according to needs, the flexibility is poor and the working efficiency is high are solved. And the use of the leveling instrument is easily influenced.
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Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, specifically a leveling instrument with an angle adjustment mechanism. Background Technology

[0002] Before agricultural planting, the land is uneven, making it difficult to carry out large-scale mechanized operations. Therefore, it is usually necessary to level the land first, fill in the pits on the ground, or level the mounds in the field. This requires the use of a land leveler to improve the flatness of the land.

[0003] Some land levelers still have some problems when used. For example, when the land leveler is used to level the corner of the land, it is easy to bump into the leveling scraper. It is inconvenient to adjust the angle of the leveling scraper according to the needs, and its flexibility is poor, which can easily affect the use of the land leveler.

[0004] Therefore, we propose a leveling instrument with an angle adjustment mechanism to improve upon the above-mentioned problems. Utility Model Content

[0005] The purpose of this utility model is to provide a leveling instrument with an angle adjustment mechanism to solve the problems mentioned in the background art, such as the inconvenience of adjusting the angle of the leveling scraper according to needs, poor flexibility, and the ease with which the use of the leveling instrument is affected.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a leveling instrument with an angle adjustment mechanism, comprising a mounting plate, a connecting plate at the bottom end of the mounting plate, a leveling scraper at the bottom end of the connecting plate, and adjustment structures for facilitating adjustment of the angle of the leveling scraper respectively provided on the left side of the bottom end of the connecting plate and inside the mounting plate;

[0007] The adjustment structure includes a servo motor, a first hydraulic cylinder, and a worm gear. First mounting blocks are welded to the front and rear ends of the bottom right side of the connecting plate. Second mounting blocks are welded to the front and rear ends of the bottom of the connecting plate. A hinge block is welded to the top of the leveling scraper. Third mounting blocks are installed at the front and rear ends of the bottom right side of the leveling scraper. A first hydraulic cylinder is movably hinged between the first and third mounting blocks. A servo motor is installed on the right side of the front end of the mounting plate. A worm gear is installed at the output end of the servo motor. A rotating shaft is movably connected to the middle position inside the mounting plate, and a worm wheel is fixedly connected to the outside of the rotating shaft.

[0008] As a further technical solution of this utility model, the hinge block is movably hinged between the second mounting blocks, and the rotating shaft is fixedly connected at the middle position of the top of the connecting plate.

[0009] As a further technical solution of this utility model, the worm gear is movably connected to the right side inside the mounting plate, and the worm wheel and the worm gear cooperate with each other.

[0010] As a further technical solution of this utility model, an installation frame is provided on the left side of the bottom end of the connecting plate, and a second hydraulic cylinder is installed between the front and rear ends of the installation frame and the bottom left side of the connecting plate. A drive motor is installed at the bottom of the front end of the installation frame, and a connecting shaft is fixedly connected to the output end of the drive motor. A crushing roller is installed on the outside of the connecting shaft.

[0011] As a further technical solution of this utility model, the second hydraulic cylinder is provided in two sets, and the connecting shaft is movably connected to the bottom end inside the mounting frame.

[0012] As a further technical solution of this utility model, a crushing rod is fixedly connected to the outside of the mounting frame, and multiple sets of crushing rods are provided, which are arranged at equal intervals outside the crushing roller.

[0013] As a further technical solution of this utility model, connecting blocks are fixedly connected to both sides of the top of the connecting plate, a limit block is fixedly connected to the top of the connecting block, and a limit guide rail is provided at the bottom of the mounting plate.

[0014] As a further technical solution of this utility model, the limiting block is disposed inside the limiting guide rail, and the limiting block rotates inside the limiting guide rail.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the leveling instrument with an angle adjustment mechanism not only makes it easy to adjust the angle of the leveling scraper and make it easy to crush soil clods, but also improves the stability of the connecting plate.

[0016] (1) By setting up a rotating shaft, a servo motor, a first mounting block, a first hydraulic cylinder, a third mounting block, a worm gear and a worm, the first hydraulic cylinder is activated when the tilt angle of the leveling scraper needs to be adjusted. Since the first hydraulic cylinder is movably hinged between the leveling scraper and the connecting plate through the first mounting block and the third mounting block, and the hinge block at the top of the leveling scraper is movably hinged to the top of the second mounting block, the activation of the first hydraulic cylinder can raise and lower the bottom of the leveling scraper as needed, thereby adjusting the tilt angle of the leveling scraper. This makes the device suitable for different situations. When the leveling scraper needs to be rotated to adjust its direction, the servo motor is activated. The servo motor drives the rotating shaft to rotate through the worm and worm gear. The rotation of the rotating shaft can make the leveling scraper rotate through the connecting plate, which can further improve the flexibility of the device.

[0017] (2) By setting up a second hydraulic cylinder, mounting frame, crushing roller, drive motor and connecting shaft, start the second hydraulic cylinder, the second hydraulic cylinder drives the crushing roller to rise and fall through the mounting frame, and after the crushing roller rises and falls to the appropriate position, start the drive motor, the drive motor drives the crushing roller to rotate through the connecting shaft, so that the soil clods can be broken up by the crushing rod outside the crushing roller, and prevent the soil clods from accumulating on one side of the flat scraper and affecting its use.

[0018] (3) By setting a limit guide rail, a limit block and a connecting block, when the shaft drives the connecting plate to rotate, the limit block at the top of the connecting block will rotate inside the limit guide rail. The limit guide rail can guide the connecting plate through the limit block, which can not only support the connecting plate to prevent the shaft from being damaged during use, but also improve the stability of the connecting plate rotation. Attached Figure Description

[0019] Figure 1 This is a frontal cross-sectional view of the present invention.

[0020] Figure 2 This is a top view sectional structural diagram of the mounting plate of this utility model;

[0021] Figure 3 This is a side view enlarged structural schematic diagram of the mounting frame of this utility model;

[0022] Figure 4 For the present utility model Figure 1 Enlarged cross-sectional view of point A in the middle.

[0023] In the diagram: 1. Mounting plate; 2. Limiting guide rail; 3. Rotating shaft; 4. Servo motor; 5. Connecting plate; 6. First mounting block; 7. First hydraulic cylinder; 8. Second mounting block; 9. Hinge block; 10. Leveling scraper; 11. Third mounting block; 12. Second hydraulic cylinder; 13. Mounting frame; 14. Crushing roller; 15. Worm gear; 16. Worm; 17. Drive motor; 18. Connecting shaft; 19. Limiting block; 20. Connecting block. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-4The present invention provides an embodiment of a leveling instrument with an angle adjustment mechanism, comprising a mounting plate 1, a connecting plate 5 at the bottom end of the mounting plate 1, a leveling scraper 10 at the bottom end of the connecting plate 5, and adjustment structures for adjusting the angle of the leveling scraper 10 respectively provided on the left side of the bottom end of the connecting plate 5 and inside the mounting plate 1.

[0026] The adjustment structure includes a servo motor 4, a first hydraulic cylinder 7, and a worm gear 16. A first mounting block 6 is welded to the front and rear ends of the bottom right side of the connecting plate 5. A second mounting block 8 is welded to the front and rear ends of the bottom of the connecting plate 5. A hinge block 9 is welded to the top of the leveling scraper 10. A third mounting block 11 is installed at the front and rear ends of the bottom right side of the leveling scraper 10. A first hydraulic cylinder 7 is movably hinged between the first mounting block 6 and the third mounting block 11. A servo motor 4 is installed on the right side of the front end of the mounting plate 1. A worm gear 16 is installed at the output end of the servo motor 4. A rotating shaft 3 is movably connected to the middle position inside the mounting plate 1. A worm wheel 15 is fixedly connected to the outside of the rotating shaft 3.

[0027] The hinge block 9 is movably hinged between the second mounting blocks 8, the rotating shaft 3 is fixedly connected at the middle position of the top of the connecting plate 5, and the worm 16 is movably connected inside the right side of the mounting plate 1. The worm wheel 15 and the worm 16 cooperate with each other.

[0028] Specifically, such as Figure 1 , Figure 2 and Figure 4 As shown, when it is necessary to adjust the tilt angle of the leveling scraper 10, the first hydraulic cylinder 7 is activated. Since the first hydraulic cylinder 7 is movably hinged between the leveling scraper 10 and the connecting plate 5 through the first mounting block 6 and the third mounting block 11, and the hinge block 9 at the top of the leveling scraper 10 is movably hinged to the top of the second mounting block 8, activating the first hydraulic cylinder 7 can raise and lower the bottom of the leveling scraper 10 as needed, thereby adjusting the tilt angle of the leveling scraper 10. This makes the device suitable for different situations. When it is necessary to rotate the leveling scraper 10 to adjust its direction, the servo motor 4 is activated. The servo motor 4 drives the rotating shaft 3 to rotate through the worm gear 16 and the worm wheel 15. The rotation of the rotating shaft 3 can cause the leveling scraper 10 to rotate through the connecting plate 5, which can further improve the flexibility of the device.

[0029] A mounting frame 13 is provided on the left side of the bottom end of the connecting plate 5. A second hydraulic cylinder 12 is installed between the mounting frame 13 and the front and rear ends of the bottom left side of the connecting plate 5. A drive motor 17 is installed at the bottom of the front end of the mounting frame 13. A connecting shaft 18 is fixedly connected to the output end of the drive motor 17. A crushing roller 14 is installed on the outside of the connecting shaft 18. Two sets of second hydraulic cylinders 12 are provided. The connecting shaft 18 is movably connected to the bottom end inside the mounting frame 13. A crushing rod is fixedly connected to the outside of the mounting frame 13. Multiple sets of crushing rods are provided. The crushing rods are arranged at equal intervals on the outside of the crushing roller 14.

[0030] Specifically, such as Figure 1 and Figure 3 As shown, the second hydraulic cylinder 12 is started. The second hydraulic cylinder 12 drives the crushing roller 14 to rise and fall through the mounting frame 13. After the crushing roller 14 is raised and lowered to the appropriate position, the drive motor 17 is started. The drive motor 17 drives the crushing roller 14 to rotate through the connecting shaft 18. Thus, the soil clods can be broken up by the crushing rod outside the crushing roller 14, preventing the soil clods from accumulating on one side of the flat scraper 10 and affecting its use.

[0031] Connecting blocks 20 are fixedly connected to both sides of the top of the connecting plate 5. Limiting blocks 19 are fixedly connected to the top of the connecting blocks 20. Limiting guide rail 2 is provided at the bottom of the mounting plate 1. Limiting blocks 19 are located inside the limiting guide rail 2 and can rotate inside the limiting guide rail 2.

[0032] Specifically, such as Figure 1 and Figure 4 As shown, when the rotating shaft 3 drives the connecting plate 5 to rotate, the limiting block 19 at the top of the connecting block 20 will rotate inside the limiting guide rail 2. The limiting guide rail 2 can guide the connecting plate 5 through the limiting block 19, which can not only support the connecting plate 5 to prevent the rotating shaft 3 from being damaged during use, but also improve the stability of the rotation of the connecting plate 5.

[0033] Working Principle: In use, the mounting plate 1 is installed on the tractor. When the tilt angle of the leveling scraper 10 needs adjustment, the first hydraulic cylinder 7 is activated. Since the first hydraulic cylinder 7 is hinged between the leveling scraper 10 and the connecting plate 5 via the first mounting block 6 and the third mounting block 11, and the hinge block 9 at the top of the leveling scraper 10 is hinged to the top of the second mounting block 8, activating the first hydraulic cylinder 7 can raise or lower the bottom of the leveling scraper 10 as needed, thereby adjusting the tilt angle of the leveling scraper 10. This allows the device to be adapted to different situations. When the leveling scraper 10 needs to be rotated to adjust its direction, the servo motor 4 is activated. The servo motor 4 drives the rotating shaft 3 to rotate via the worm gear 16 and worm wheel 15. The rotation of the rotating shaft 3 allows the connecting plate to rotate. 5. When the leveling scraper 10 rotates, the limiting block 19 at the top of the connecting plate 5 rotates as the rotating shaft 3 drives the connecting plate 5 to rotate. The limiting guide 2 can guide the connecting plate 5 through the limiting block 19, which can not only support the connecting plate 5 to prevent damage to the rotating shaft 3 during use, but also improve the stability of the rotation of the connecting plate 5. After the leveling scraper 10 is adjusted to a suitable angle, the second hydraulic cylinder 12 is started. The second hydraulic cylinder 12 drives the crushing roller 14 to rise and fall through the mounting frame 13. After the crushing roller 14 is raised and lowered to a suitable position, the drive motor 17 is started. The drive motor 17 drives the crushing roller 14 to rotate through the connecting shaft 18, so that the soil clods can be broken up through the crushing rod outside the crushing roller 14, preventing the soil clods from accumulating on one side of the leveling scraper 10 and affecting its use.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A leveling instrument with an angle adjustment mechanism, comprising a mounting plate (1), characterized in that: The bottom end of the mounting plate (1) is provided with a connecting plate (5), the bottom end of the connecting plate (5) is provided with a flat scraper (10), and the left side of the bottom end of the connecting plate (5) and the inside of the mounting plate (1) are respectively provided with adjustment structures to facilitate the adjustment of the angle of the flat scraper (10). The adjustment structure includes a servo motor (4), a first hydraulic cylinder (7) and a worm gear (16). The front and rear ends of the bottom right side of the connecting plate (5) are welded with a first mounting block (6). The front and rear ends of the bottom of the connecting plate (5) are welded with a second mounting block (8). The top of the leveling scraper (10) is welded with a hinge block (9). The front and rear ends of the bottom right side of the leveling scraper (10) are installed with a third mounting block (11). The first mounting block (6) and the third mounting block (11) are movably hinged together with a first hydraulic cylinder (7). The right side of the front end of the mounting plate (1) is equipped with a servo motor (4). The output end of the servo motor (4) is equipped with a worm gear (16). The middle position inside the mounting plate (1) is movably connected with a rotating shaft (3). The outside of the rotating shaft (3) is fixedly connected with a worm wheel (15).

2. A leveling instrument with an angle adjustment mechanism according to claim 1, characterized in that: The hinge block (9) is movably hinged between the second mounting blocks (8), and the rotating shaft (3) is fixedly connected at the middle position of the top of the connecting plate (5).

3. A leveling instrument with an angle adjustment mechanism according to claim 1, characterized in that: The worm (16) is movably connected to the right side inside the mounting plate (1), and the worm wheel (15) and the worm (16) cooperate with each other.

4. A leveling instrument with an angle adjustment mechanism according to claim 1, characterized in that: An installation frame (13) is provided on the left side of the bottom end of the connecting plate (5). A second hydraulic cylinder (12) is installed between the front and rear ends of the installation frame (13) and the bottom left side of the connecting plate (5). A drive motor (17) is installed at the bottom of the front end of the installation frame (13). A connecting shaft (18) is fixedly connected to the output end of the drive motor (17). A crushing roller (14) is installed on the outside of the connecting shaft (18).

5. A leveling instrument with an angle adjustment mechanism according to claim 4, characterized in that: The second hydraulic cylinder (12) is provided in two sets, and the connecting shaft (18) is movably connected to the bottom end inside the mounting frame (13).

6. A leveling instrument with an angle adjustment mechanism according to claim 4, characterized in that: The mounting frame (13) is fixedly connected to a crushing rod, and multiple sets of crushing rods are provided. The crushing rods are arranged at equal intervals outside the crushing roller (14).

7. A leveling instrument with an angle adjustment mechanism according to claim 1, characterized in that: Connecting blocks (20) are fixedly connected to both sides of the top of the connecting plate (5), and a limiting block (19) is fixedly connected to the top of the connecting block (20). A limiting guide rail (2) is provided at the bottom of the mounting plate (1).

8. A leveling instrument with an angle adjustment mechanism according to claim 7, characterized in that: The limiting block (19) is disposed inside the limiting guide rail (2), and the limiting block (19) rotates inside the limiting guide rail (2).