Anti-congestion rotary cultivator
By adding grass-cutting blades and corrugated disc-shaped cutting blades to the rotary tiller, combined with a floating connection structure, the problem of blockage in the middle of the rotary tiller is solved, improving cutting efficiency and rotary tillage effect.
Patent Information
- Application Number
- CN202423108374.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-17
AI Technical Summary
When rotary tillers are working on straw or weeds, the limited space in the intermediate transmission box prevents the installation of rotary tillage blades, which easily leads to blockage in the middle of the implement, resulting in high horsepower consumption and poor rotary tillage effect.
Adding a grass-cutting blade to the rotary tiller, using a corrugated disc-shaped cutting blade and a floating connection structure, including the blade main arm, fixed guide seat, blade depth adjustment pin and compression spring, adjusts the gap between the blade and the intermediate plow to prevent clogging.
It significantly improves cutting efficiency, enhances the passability of implements, prevents straw and weeds from clumping together, reduces tractor horsepower consumption, and improves rotary tillage effect.
Smart Images
Figure CN223844315U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of agricultural machinery relates to a rotary cultivator especially relates to a kind of anti-jamming rotary cultivators. BACKGROUND
[0002] Due to the structural features of rotary cultivator, the middle transmission box space is limited, and the rotary cultivator cannot be installed in the middle part of rotary cultivator shaft, only the middle plow can be installed. When working in straw or weed field, the middle part of the machine is prone to be jammed by weeds and foreign matter, resulting in high power consumption of tractor and poor rotary cultivation effect of the machine. CONTENT OF UTILITY MODEL
[0003] To solve the above technical problems in the background art, the utility model provides an anti-jamming rotary cultivator which can significantly improve the cutting efficiency and enhance the rotary cultivation effect of the machine.
[0004] To achieve the above purpose, the utility model adopts the following technical solutions:
[0005] An anti-jamming rotary cultivator, characterized in that: the anti-jamming rotary cultivator comprises a frame, a grass cutting tool and a middle plow; the grass cutting tool and the middle plow are sequentially arranged on the frame from front to back along the traveling direction of the frame.
[0006] The above-mentioned grass cutting tool comprises a cutting disc and a position-adjustable connecting structure, the cutting disc is arranged on the frame through the position-adjustable connecting structure, and the cutting disc and the middle plow are sequentially arranged from front to back along the traveling direction of the frame; the cutting disc as a whole has a butterfly shape.
[0007] The outer edge of the above-mentioned cutting disc as a whole has a corrugated shape.
[0008] The above-mentioned position-adjustable connecting structure comprises a disc main arm, a fixed guide seat and a depth adjustment pin; the cutting disc is arranged at the bottom of the disc main arm and rotates along the axial direction of the cutting disc; the fixed guide seat is sleeved on the outside of the disc main arm and can move along the axial direction of the disc main arm; the disc main arm is movably arranged on the fixed guide seat through the depth adjustment pin; the fixed guide seat is arranged on the frame.
[0009] The disc main arm is provided with adjusting holes along the axial direction of the disc main arm; the fixed guide seat is provided with a waist-shaped hole; the depth adjustment pin penetrates through the waist-shaped hole and the adjusting holes; the depth adjustment pin can move along the axial direction of the waist-shaped hole, and the number of adjusting holes is at least two.
[0010] The above-mentioned position-adjustable connecting structure further comprises a compression spring and a spring seat; the spring seat is movably arranged on the side wall of the disc main arm; the compression spring is sleeved on the outside of the disc main arm and arranged between the spring seat and the fixed guide seat.
[0011] The aforementioned cutter head main arm has a limiting hole on its side wall; the spring seat is movably disposed in the limiting hole via a spring tension adjusting pin; the number of limiting holes is at least two.
[0012] The top of the aforementioned cutter head main arm is equipped with anti-loosening bolt pairs.
[0013] The aforementioned grass-cutting blade also includes a blade disc mounting base, wherein the cutting blade disc is movably mounted on an adjustable connection structure via the blade disc mounting base.
[0014] The aforementioned grass-cutting blade also includes a U-bolt assembly; the position-adjustable connection structure is mounted on the frame via the U-bolt assembly.
[0015] The advantages of this utility model are:
[0016] This invention provides an anti-clogging rotary tiller, including a frame, a cutting blade, and a central plow; the cutting blade and the central plow are arranged sequentially on the frame from front to back along the frame's travel direction. The corrugated disc-shaped cutting blade used in this invention has a longer cutting edge than ordinary disc cutting blades, significantly improving cutting efficiency. The corrugated structure of the blade increases blade rigidity and helps to eliminate clogging. Simultaneously, this invention forms a floating mechanism through blade depth adjustment pins located on different adjustment holes and compression springs, which can fully adjust the gap or distance between the cutting blade and the central plow, ensuring the cutting force of the cutting blade on debris. This allows the cutting blade to cut and separate straw and weeds in the middle of the rotary tiller, preventing clumping and clogging, and improving the implement's directional movement. In short, this utility model adds a grass-cutting blade to the frame, especially in front of the middle plow. The structure is compact, easy to disassemble and maintain, and can solve the problem that when the rotary tiller is working with straw and weeds at low speed, the tillage parts are easily clumped and blocked, which leads to high consumption of the traction force of the implement and poor rotary tillage effect in the middle of the rotary tiller. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of the anti-congestion rotary tiller provided by this utility model:
[0018] Figure 2 This is a schematic diagram of the overall structure of the grass-cutting blade used in this utility model;
[0019] Figure 3 yes Figure 2 A schematic diagram of the rear view structure;
[0020] Figure 4 yes Figure 2 A schematic diagram of the side view structure;
[0021] in:
[0022] 1 - cutting disc; 2 - disc main arm; 3 - spring tension adjustment pin; 4 - compression spring; 5 - fixed guide seat; 6 - cutting depth adjustment pin; 7 - anti-drop bolt pair; 8 - U-shaped bolt pair; 9 - disc mounting seat. DETAILED DESCRIPTION
[0023] Referring to Figure 1 The utility model provides a kind of anti-jamming rotary cultivator, including rack, grass cutting tool and intermediate plough;Grass cutting tool and intermediate plough are sequentially arranged on rack from front to back along the direction of travel of rack.The utility model increases grass cutting tool on rack, especially in front of intermediate plough, compact structure, disassembly, maintenance is convenient, can solve the problem that rotary cultivator is easily caused to be jammed in the operation of low straw and weed, and further cause the problem of the traction consumption of machine tool, the poor effect of rotary cultivation in rotary cultivator.
[0024] Referring to Figure 2 , Figure 3 and Figure 4 The grass cutting tool used in the utility model includes cutting disc 1 and position-adjustable connecting structure, and the cutting disc 1 is arranged on the rack through the position-adjustable connecting structure, and the cutting disc 1 and the intermediate plough are sequentially arranged from front to back along the direction of travel of the rack;The cutting disc 1 is in the shape of a butterfly as a whole.Referring to Figure 3 and Figure 4 The outer edge of the cutting disc 1 is in the shape of a wave as a whole.The wave-shaped disc-shaped cutting disc has a longer blade length than a general disc-shaped cutting disc, significantly improves the cutting efficiency, and the wave-shaped structure of the cutting disc improves the rigidity of the cutting tool and helps to remove the jam.
[0025] Referring to Figure 2The position-adjustable connecting structure comprises a cutter disc main arm 2, a fixed guide seat 5 and a cutter depth adjusting pin 6. The cutting disc 1 is arranged at the bottom of the cutter disc main arm 2 and rotates along the axial direction of the cutting disc 1. The fixed guide seat 5 is sleeved on the outside of the cutter disc main arm 2 and can move along the axial direction of the cutter disc main arm 2. The cutter disc main arm 2 is movably arranged on the fixed guide seat 5 through the cutter depth adjusting pin 6. The fixed guide seat 5 is arranged on the frame. The cutter disc main arm 2 is provided with adjusting holes along the axial direction of the cutter disc main arm 2. The fixed guide seat 5 is provided with a waist-shaped hole. The cutter depth adjusting pin 6 penetrates the waist-shaped hole and the adjusting holes. The cutter depth adjusting pin 6 can freely move along the axial direction of the waist-shaped hole. The number of the adjusting holes is at least two. For example, three adjusting holes in high, middle and low positions along the axial direction of the cutter disc main arm 2 are arranged. The cutter depth adjusting pin 6 is inserted into different adjusting holes to flexibly change the distance between the cutting disc 1 and the intermediate plough. Meanwhile, the position-adjustable connecting structure further comprises a compression spring 4 and a spring seat. The spring seat is movably arranged on the side wall of the cutter disc main arm 2. The compression spring 4 is sleeved on the outside of the cutter disc main arm 2 and arranged between the spring seat and the fixed guide seat 5. Limiting holes are arranged on the side wall of the cutter disc main arm 2. The spring seat is movably arranged in the limiting holes through a spring tension adjusting pin 3. The number of the limiting holes is at least two. That is, the cutter depth adjusting pin 6 on different adjusting holes and the compression spring 4 form a floating mechanism, which can fully adjust the gap or distance between the cutting disc 1 and the intermediate plough, ensure the cutting force of the cutting disc 1 on sundries, drive the cutting disc 1 to cut and separate the straw and weeds in the middle part of the rotary tiller, prevent the straw and weeds from being bunched and improve the passing property of the machine tool.
[0026] The top of the cutter disc main arm 2 is provided with an anti-loosening bolt pair 7. Referring to Figure 2 The grass cutting tool further comprises a cutter disc mounting seat 9. The cutting disc 1 is movably arranged on the position-adjustable connecting structure through the cutter disc mounting seat 9. The grass cutting tool further comprises a U-shaped bolt pair 8. The position-adjustable connecting structure is arranged on the frame through the U-shaped bolt pair 8.
Claims
1. A congestion-preventing rotary cultivator characterized by comprising: The anti-congestion rotary cultivator comprises a frame, a grass cutting tool and an intermediate plough; the grass cutting tool comprises a cutting disc (1) and a position-adjustable connecting structure, the cutting disc (1) is arranged on the frame through the position-adjustable connecting structure, and the cutting disc (1) and the intermediate plough are sequentially arranged from front to back along the travelling direction of the frame; the cutting disc (1) is in the shape of a butterfly as a whole; the position-adjustable connecting structure comprises a disc main arm (2), a fixed guide seat (5), a compression spring (4), a spring seat and a depth adjustment pin (6); the cutting disc (1) is arranged at the bottom of the disc main arm (2) and rotates along the axial direction of the cutting disc (1); the fixed guide seat (5) is sleeved outside the disc main arm (2) and can move along the axial direction of the disc main arm (2); the disc main arm (2) is movably arranged on the fixed guide seat (5) through the depth adjustment pin (6); the fixed guide seat (5) is arranged on the frame; the spring seat is movably arranged on the side wall of the disc main arm (2); and the compression spring (4) is sleeved outside the disc main arm (2) and arranged between the spring seat and the fixed guide seat (5).
2. The anti-clogging rotary cultivator according to claim 1, characterized in that: The outer edge of the cutting disc (1) is in the shape of a wave as a whole.
3. The anti-clogging rotary cultivator of claim 2, wherein: An adjusting hole is arranged on the disc main arm (2) along the axial direction of the disc main arm (2); a waist-shaped hole is arranged on the fixed guide seat (5); the depth adjustment pin (6) penetrates the waist-shaped hole and the adjusting hole; the depth adjustment pin (6) can move along the axial direction of the waist-shaped hole, and the number of the adjusting holes is at least two.
4. The anti-clogging rotary cultivator of claim 3, wherein: Limiting holes are arranged on the side wall of the disc main arm (2); the spring seat is movably arranged in the limiting holes through a spring tension adjustment pin (3); and the number of the limiting holes is at least two.
5. The anti-clog rotary cultivator of claim 4, wherein: A anti-loosening bolt pair (7) is arranged on the top of the disc main arm (2).
6. The anti-clogging rotary cultivator of any one of claims 1-5, wherein: The grass cutting tool further comprises a disc mounting seat (9), and the cutting disc (1) is movably arranged on the position-adjustable connecting structure through the disc mounting seat (9).
7. The anti-clog rotary cultivator of claim 6, wherein: The grass cutting tool further comprises a U-shaped bolt pair (8), and the position-adjustable connecting structure is arranged on the frame through the U-shaped bolt pair (8).