Rotary tillage soil moisture leveling device for soil moisture leveling plough
By using the blade holder mounting assembly and suspension structure design of the rotary tiller, combined with the dual-head drive gearbox and soil leveling plate adjustment assembly, the problems of uneven leveling and complex adjustment and maintenance of existing equipment in complex terrain are solved, achieving efficient and precise soil treatment results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEZE PUCHENG AGRI MASCH CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-05-08
AI Technical Summary
Existing leveling plows are difficult to effectively conform to the ground when facing complex terrain, resulting in uneven land leveling, inconsistent soil moisture treatment, limited functionality, and complex adjustment and maintenance, making it difficult to meet the needs of modern agriculture for efficient and precise operations.
The rotary tiller, which combines a blade holder mounting assembly with a suspension structure, ensures close contact with the equipment on different terrains through pin connections and a suspension rod and compression spring design; a dual-head transmission gearbox drives the soil removal and breaking, and a rear guide plate provides precise guidance; and a soil leveling plate adjustment assembly achieves high-quality flatness of the soil surface.
It enables stable operation in complex terrain, ensures uniform soil treatment, improves land leveling efficiency and quality, has wide adaptability, and reduces equipment operating costs and maintenance difficulty.
Smart Images

Figure CN224205671U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of leveling plow technology, and more specifically, to a rotary tillage leveling device for leveling plows. Background Technology
[0002] In agricultural production, land leveling and soil moisture management are crucial for crop growth. Land leveling creates a favorable soil environment for crop growth, facilitating irrigation, drainage, and subsequent agricultural operations such as sowing and fertilization. Proper soil moisture management effectively retains soil moisture, enhances the soil's water and fertilizer retention capacity, and promotes crop root growth.
[0003] Currently, traditional leveling plows and furrowless plows have many shortcomings in post-plowing land leveling and soil moisture management equipment. On the one hand, some leveling equipment has structural design flaws, making it difficult to adapt to complex and varied terrain. When facing undulating or uneven land, the equipment cannot effectively conform to the ground, resulting in poor operating results, uneven land leveling, inconsistent soil moisture management, and other problems, which affect the growth quality and yield of crops.
[0004] On the other hand, the existing equipment has relatively limited functionality. Many devices only have simple tilling or preliminary leveling functions, lacking the ability to perform fine soil processing. For example, they cannot efficiently break the soil into suitable particle sizes, nor can they accurately guide the soil to designated locations for proper distribution. Furthermore, existing equipment often fails to achieve the desired precision for the final leveling of the soil surface, making it difficult to meet the requirements of modern agriculture for high-quality land preparation.
[0005] Furthermore, traditional equipment has shortcomings in terms of component adjustment and maintenance. The adjustment mechanisms of some equipment are complex and inflexible, making it difficult to quickly and accurately adjust working parameters according to actual operational needs, thus affecting work efficiency. Moreover, the equipment's structure is not conducive to daily maintenance and repair; component replacement and repair are difficult, increasing operating costs and maintenance time, and reducing the overall practicality of the equipment.
[0006] In summary, existing land leveling and soil moisture management equipment has significant shortcomings in terms of structural adaptability, functional versatility, and ease of adjustment and maintenance, and cannot meet the growing demand for efficient and precise operations in modern agriculture. There is an urgent need for a new type of rotary tillage and soil moisture leveling device to solve these problems. Utility Model Content
[0007] The purpose of this utility model is to overcome the shortcomings of existing technologies and propose a rotary tiller for leveling plows, comprising a plow frame with plow wheels and a rotary tiller. A left plowshare and a right plowshare are respectively installed on the left and right sides of the plow frame. A double-headed transmission gearbox is fixedly installed on the front side of the top of the plow frame. The front side of the double-headed transmission gearbox is connected to the rear power take-off device of a tractor. The rotary tiller includes:
[0008] The rotary tiller blade holder includes a leveling beam and a leveling sub-beam; the leveling sub-beam spans the leveling beam and is fixedly connected to the leveling beam; a blade holder mounting assembly is provided between the leveling sub-beam and the leveling main beam fixedly installed on the plow frame, and the blade holder is installed and connected through the blade holder mounting assembly.
[0009] Upper retaining plates, both upper retaining plates are installed between the two leveling beams; cutter shaft side plates are fixedly installed on both sides of the upper retaining plates;
[0010] The gearbox is mounted on a fixed base in the middle of the two upper retaining plates, and the power input shaft of the gearbox is connected to the dual-head transmission gearbox.
[0011] The cutter shaft bearing housing assembly is mounted on the side plate of the cutter shaft.
[0012] The cutter shaft is rotatably mounted on the cutter shaft bearing assembly and is connected to the gearbox for transmission. A soil-removing cutter holder and a soil-crushing cutter magazine are fixedly mounted on the cutter shaft, and a soil-removing cutter and a soil-crushing cutter are respectively installed on the corresponding cutter holder and the cutter magazine.
[0013] The rear retaining guide plate is fixedly installed on the rear side of the upper retaining plate. Its function is to guide and move the soil into the trenches on the left and right sides of the leveling device by rotating the soil-moving blade on the cutter shaft.
[0014] Preferably, the tool holder mounting assembly includes a pin seat fixedly welded to the main beam of the leveler, and the pin seat is rotatably mounted to a mounting protrusion provided on the secondary beam of the leveler via a pin.
[0015] Preferably, the tool holder mounting assembly further includes a suspension structure, which includes a mounting hole one on the main beam of the leveler and a mounting hole two on the secondary beam of the leveler. The same suspension rod is inserted through the mounting hole one and the mounting hole two, and a compression spring is sleeved on the suspension rod. A U-shaped suspension limit frame is fixedly installed on the secondary beam of the leveler, and the U-shaped suspension limit frame is framed on the main beam of the leveler.
[0016] Preferably, a troweling plate is rotatably mounted at the tail of the rotary tiller via a troweling plate pivot pin, and two sets of troweling plate adjustment components are provided between the rotary tiller and the troweling plate.
[0017] Preferably, the trowel adjustment assembly includes a trowel adjustment mounting base one, an adjustment rod mounting block one, a trowel adjustment rod, a trowel adjustment mounting base two, and an adjustment rod mounting block two;
[0018] The soil-plastering plate adjustment mounting base is fixedly welded to the tail of the rotary tiller frame, and the adjustment rod mounting block is movably connected to the soil-plastering plate adjustment mounting base.
[0019] The second adjusting mounting base of the troweling board is fixedly welded to the troweling board; the second adjusting rod mounting block is rotatably mounted on the second adjusting mounting base of the troweling board.
[0020] The trowel adjustment rod is installed between the adjustment rod mounting block one and the adjustment rod mounting block two, and a trowel compression spring is sleeved on the outside of the trowel adjustment rod.
[0021] Preferably, a side retaining plate is fixedly welded to the bottom of the leveling beam.
[0022] Compared with existing technologies, the beneficial effects of this utility model are:
[0023] 1. The blade holder mounting assembly adopts a rotating mounting method with a pin connection and a protrusion mounted on the sub-beam of the tiller. Combined with the suspension rod and compression spring in the suspension structure, this allows the rotary tiller to undulate with the slope of the land while maintaining close contact with the ground. This design effectively adapts to different terrains, ensuring stable operation even in complex terrain conditions and guaranteeing consistent tillage results.
[0024] 2. The rotary tiller blade holder consists of a leveling beam and a leveling sub-beam. The leveling sub-beam spans and is fixedly connected to the leveling beam, and is connected to the plow frame through the blade holder mounting assembly, making the structure stable and improving the practicality and service life of the equipment.
[0025] 3. The dual-head transmission gearbox provides power to the gearbox, driving the soil-removing and soil-crushing blades on the cutter shaft to rotate, enabling fast and efficient soil removal and crushing operations. The rear guide plate can precisely guide the soil to the trenches on both sides of the leveler, achieving a reasonable distribution of soil and improving the efficiency and quality of land leveling.
[0026] 4. The trowel is rotatably connected to the leveling beam at the tail of the rotary tiller via a rotating pin, and is equipped with two sets of trowel adjustment components. The rotational connection of each component in the adjustment assembly allows the trowel to tilt at a certain angle during operation, preventing damage while the trowel compression spring maintains constant pressure on the trowel, thereby precisely controlling the flatness of the soil surface and achieving a high-quality leveling effect.
[0027] 5. The upper retaining plate, the cutter shaft side plate, and the side retaining plate fixedly welded to the bottom of the leveling beam together constitute an effective soil retaining structure. This effectively prevents soil from being pushed out of the leveling device when the cutter rotates, ensuring that the soil is treated and leveled within the designated area, further improving the standardization and effectiveness of the operation.
[0028] This rotary tiller is an independent structure that can be adapted to various leveling plows and furrowless plows, making it widely applicable and easy to promote. Attached Figure Description
[0029] Figure 1 This is a schematic diagram (top view) of the overall structure of a rotary tillage leveling device for a leveling plow proposed in this utility model.
[0030] Figure 2 This is a schematic diagram of the overall structure of a rotary tillage leveling device for a leveling plow proposed in this utility model (top view without the upper retaining plate structure).
[0031] Figure 3 A schematic diagram (left view) of the overall structure of a rotary tillage leveling device for a leveling plow proposed in this utility model.
[0032] Figure 4 This is a schematic diagram of the blade shaft structure (including a soil-removing blade and a soil-crushing blade) of a rotary tillage leveling device for a leveling plow proposed in this utility model.
[0033] Figure 5 This is a schematic diagram of the soil-adjusting plate component in a rotary tillage leveling device for a leveling plow proposed in this utility model.
[0034] In the diagram: 1-Plow frame; 101-Left plowshare; 102-Right plowshare; 103-Dual-head transmission gearbox; 104-Main beam of leveling device; 105-Pin seat; 106-Compression spring; 107-Suspension rod; 108-U-shaped suspension limit frame; 2-Leveling device crossbeam; 3-Leveling device sub-beam; 301-Mounting protrusion on the sub-beam of leveling device; 4-Upper retaining plate; 5-Cutter shaft side plate; 6-Gearbox; 7- 8-Cutter shaft bearing housing assembly; 9-Soil-removing blade; 10-Soil-crushing blade; 11-Rear soil-blocking guide plate; 12-Soil-plastering plate; 121-Soil-plastering plate rotating pin; 122-Soil-plastering plate adjusting mounting seat one; 123-Adjusting rod mounting block one; 124-Soil-plastering plate adjusting rod; 125-Soil-plastering plate adjusting mounting seat two; 126-Adjusting rod mounting block two; 127-Soil-plastering plate compression spring; 13-Side soil-blocking plate. Detailed Implementation
[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0036] Referring to the figure, this embodiment provides a rotary tiller for leveling a plow, including a plow frame 1 with plow wheels and a rotary tiller. A left plowshare 101 and a right plowshare 102 are respectively installed on the left and right sides of the plow frame. A dual-head transmission gearbox 103 is fixedly installed on the front side of the top of the plow frame. The front side of the dual-head transmission gearbox 103 is connected to the rear power take-off device of a tractor. The rotary tiller includes:
[0037] The rotary tiller blade holder includes a leveling beam 2 and a leveling sub-beam 3; the leveling sub-beam 3 spans the leveling beam 2 and is fixedly connected to the leveling beam 2; a blade holder mounting assembly is provided between the leveling sub-beam 3 and the leveling main beam 104 fixedly installed on the plow frame 1, and the blade holder mounting assembly is used for installation and connection.
[0038] The upper retaining plate 4 is installed between the two leveling beams 2; cutter shaft side plates 5 are fixedly installed on both sides of the upper retaining plate 4;
[0039] The gearbox 6 is mounted on the top center of the upper retaining plate 4 via a fixed base, and the power input shaft of the gearbox 6 is connected to the dual-head transmission gearbox 103.
[0040] The cutter shaft bearing housing assembly 7 is mounted on the cutter shaft side plate 5;
[0041] The cutter shaft 8 is rotatably mounted on the cutter shaft bearing assembly 7, and the cutter shaft 8 is connected to the gearbox 6 for transmission; the cutter shaft 8 is fixedly mounted with a soil-removing cutter holder 9-1 and a soil-crushing cutter magazine 10-1, and the corresponding cutter holder and cutter magazine are respectively equipped with a soil-removing cutter 9 and a soil-crushing cutter 10;
[0042] The rear retaining guide plate 11 is fixedly installed on the rear side of the upper retaining plate 4. Its function is to guide and move the soil into the soil trenches on the left and right sides of the leveling device by rotating the soil-moving blade 9 on the cutter shaft.
[0043] Furthermore, the tool holder mounting assembly includes a pin seat 105 fixedly welded to the main beam 104 of the leveler. The pin seat 105 is rotatably mounted to the mounting protrusion 301 on the secondary beam 3 of the leveler via a pin. Here, the main body of the leveler can undulate to a certain extent with the slope of the land during use.
[0044] Furthermore, the tool holder mounting assembly also includes a suspension structure. This suspension structure includes a mounting hole one on the main beam 104 of the leveler and a mounting hole two on the secondary beam of the leveler. A common suspension rod 105 is installed through both mounting holes one and two, and a compression spring 106 is fitted onto the suspension rod 107. The compression spring is located between the main beam 104 and the secondary beam 3 of the leveler. Here, when the leveler body undulates, the suspension structure ensures it remains in close contact with the ground, guaranteeing the leveling effect. A U-shaped suspension limiter 108 is fixedly installed on the secondary beam of the leveler, and this U-shaped suspension limiter 108 is framed on the main beam of the leveler. The U-shaped suspension limiter further limits the undulation amplitude of the secondary beam of the leveler.
[0045] Furthermore, the leveling beam at the tail of the rotary tiller is rotatably mounted with a trowel plate 12 via a trowel plate rotating pin 121, and two sets of trowel plate adjustment components are also provided between the rotary tiller and the trowel plate 12.
[0046] Furthermore, the trowel adjustment assembly includes a trowel adjustment mounting base 122, an adjustment rod mounting block 123, a trowel adjustment rod 124, a trowel adjustment mounting base 2 125, and an adjustment rod mounting block 2 126.
[0047] The soil-plastering plate adjustment mounting seat 122 is fixedly welded to the leveling beam 2 at the tail of the rotary tiller frame, and the adjustment rod mounting block 123 is rotatably connected to the soil-plastering plate adjustment mounting seat 122.
[0048] The second troweling plate mounting base 125 is fixedly welded to the troweling plate 12; the second adjusting rod mounting block 126 is rotatably mounted on the second troweling plate mounting base 125.
[0049] The trowel adjustment rod 124 is installed between the first adjustment rod mounting block 123 and the second adjustment rod mounting block 126, and a trowel compression spring 127 is sleeved on the outside of the trowel adjustment rod 124.
[0050] In the above-mentioned trowel adjustment assembly, the adjustment rod mounting block 123 is rotatably connected to the trowel adjustment mounting seat 122, and the adjustment rod mounting block 126 is rotatably mounted on the trowel adjustment mounting seat 125. This arrangement ensures that the trowel can tilt at a certain angle during troweling without damaging it. At the same time, the trowel compression spring provides constant pressure to the trowel, thus ensuring the troweling effect.
[0051] Furthermore, a side retaining plate 13 is fixedly welded to the bottom of the leveling beam to further prevent soil from being pushed out of the leveling device when the soil-pulling knife 9 rotates.
[0052] The working principle of the above embodiments is as follows:
[0053] The power take-off unit transmits power to the dual-drive gearbox, which distributes and converts the power before transmitting it to the power input shaft of the gearbox. The gearbox then transmits the power to the cutter shaft, causing it to rotate on the cutter shaft bearing assembly.
[0054] When the cutter shaft rotates, the soil-removing blades mounted on the cutter shaft and the soil-crushing blades in the soil-crushing blade magazine rotate synchronously. The soil-crushing blades break up the soil, making the soil particles smaller, which facilitates the movement of the soil-removing blades. During the rotation of the soil-removing blades, the broken soil is pushed backward, while the rear retaining guide plate guides the soil to flow to the trenches on the left and right sides of the leveling device, achieving preliminary soil leveling.
[0055] When the terrain is undulating, the leveling device body can rotate around the pin in the tool holder mounting assembly due to the pin connection. At the same time, the suspension rod in the suspension structure can move within the mounting hole, and the compression spring is compressed or extended, allowing the leveling device body to rise and fall with the terrain, always maintaining close contact with the ground and ensuring effective operation on different terrains.
[0056] The soil surface, even after being treated by the soil-removing blade and the rear retaining guide plate, is still not smooth enough. Therefore, a trowel is used for further leveling. The trowel is rotatably connected to the leveling beam at the rear of the rotary tiller via a pivot pin, allowing for angle adjustment within a certain range. The rotatable connection between the adjusting rod mounting block one and the adjusting mounting seat one, and the adjusting rod mounting block two and the adjusting mounting seat two, in the trowel adjustment assembly allows the trowel to tilt at a certain angle when encountering resistance from uneven soil, preventing damage from rigid contact. Simultaneously, the trowel compression spring constantly applies pressure to the trowel, ensuring it adheres tightly to the soil surface and effectively levels it, achieving a high-quality leveling effect.
[0057] Throughout the operation, the upper retaining plate, the cutter shaft side plate, and the side retaining plate at the bottom of the leveling beam work together to limit the range of soil splashing and scattering, prevent the soil from being pushed out of the leveling device's designated working area when the soil-pulling blade rotates, and ensure that the soil is treated and leveled within a reasonable area.
[0058] The above specific embodiments further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above are only specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be covered within the protection scope of this utility model.
[0059] Furthermore, it should be understood in the description of this utility model that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0060] Furthermore, in this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or welding; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
Claims
1. A rotary tillage leveling device for a leveling plow, comprising a plow frame with plow wheels and a rotary tillage leveling device, wherein a left plowshare and a right plowshare are respectively installed on the left and right sides of the plow frame; a double-headed transmission gearbox is fixedly installed on the front side of the top of the plow frame; the front side of the double-headed transmission gearbox is connected to a power output device; characterized in that, The rotary tillage leveling device includes: The rotary tiller blade holder includes a leveling beam and a leveling sub-beam; the leveling sub-beam spans the leveling beam and is fixedly connected to the leveling beam; a blade holder mounting assembly is provided between the leveling sub-beam and the leveling main beam fixedly installed on the plow frame, and the blade holder is installed and connected through the blade holder mounting assembly. An upper retaining plate is installed between two leveling beams; cutter shaft side plates are fixedly installed on both sides of the upper retaining plate. The gearbox is mounted on the top center of the upper retaining plate via a fixed base, and the power input shaft of the gearbox is connected to the dual-head transmission gearbox. The cutter shaft bearing housing assembly is mounted on the side plate of the cutter shaft. The cutter shaft is rotatably mounted on the cutter shaft bearing assembly and is connected to the gearbox for transmission. A soil-removing cutter holder and a soil-crushing cutter magazine are fixedly mounted on the cutter shaft, and soil-removing cutters and soil-crushing cutters are respectively installed on the cutter holder and the cutter magazine. The rear retaining guide plate is fixedly installed on the rear side of the upper retaining plate. Its function is to guide and move the soil into the trenches on the left and right sides of the leveling device by rotating the soil-moving blade on the cutter shaft.
2. The rotary tillage leveling device for a leveling plow according to claim 1, characterized in that, The tool holder mounting assembly includes a pin seat fixedly welded to the main beam of the leveler, and the pin seat is rotatably mounted to a mounting protrusion provided on the secondary beam of the leveler via a pin.
3. A rotary tillage leveling device for a leveling plow according to claim 1, characterized in that, The tool holder mounting assembly also includes a suspension structure, which includes a mounting hole one on the main beam of the leveler and a mounting hole two on the secondary beam of the leveler. The same suspension rod is inserted through the mounting hole one and the mounting hole two, and a compression spring is sleeved on the suspension rod. A U-shaped suspension limit frame is fixedly installed on the secondary beam of the leveler, and the U-shaped suspension limit frame is installed on the main beam of the leveler.
4. A rotary tillage leveling device for a leveling plow according to claim 1, characterized in that, The rotary tiller blade holder has a rotatable trowel plate mounted at its tail via a trowel plate pivot pin, and two sets of trowel plate adjustment components are also provided between the rotary tiller blade holder and the trowel plate.
5. A rotary tillage leveling device for a leveling plow according to claim 4, characterized in that, The trowel adjustment assembly includes a trowel adjustment mounting base 1, an adjustment rod mounting block 1, a trowel adjustment rod, and a trowel adjustment mounting base 2 and an adjustment rod mounting block 2. The soil-plastering plate adjustment mounting base is fixedly welded to the tail of the rotary tiller frame, and the adjustment rod mounting block is movably installed with the soil-plastering plate adjustment mounting base. The second adjusting mounting base of the troweling board is fixedly welded to the troweling board; the second adjusting rod mounting block is rotatably mounted on the second adjusting mounting base of the troweling board. The trowel adjustment rod is installed between the adjustment rod mounting block one and the adjustment rod mounting block two, and a trowel compression spring is sleeved on the outside of the trowel adjustment rod.
6. A rotary tillage leveling device for a leveling plow according to claim 1, characterized in that, The bottom of the leveling device's crossbeam is fixedly welded with a side retaining plate.