Universal connecting frame for rotary cultivator
By designing a support connection and traction mechanism for a universal connecting frame for rotary tillers, the problem of insufficient applicability of existing rotary tiller connecting frames is solved, and a stable connection for different models of rotary tillers and traction equipment is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-03-17
AI Technical Summary
Existing rotary tiller connecting frames have a fixed structure, making it difficult to adapt to the differences in different models of rotary tillers and traction equipment, resulting in low applicability.
A universal connecting frame for rotary tillers was designed. Through the combination of a support connecting mechanism and a traction mechanism, the connecting rod and traction rod can be flexibly adjusted to adapt to side connecting blocks and traction devices of different widths.
The adaptability of the rotary tiller connecting frame has been improved, allowing for flexible adjustment of the length of the connecting rod and the traction rod to accommodate different models of rotary tillers and traction equipment, achieving a stable connection.
Smart Images

Figure CN223993906U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of agricultural equipment technology, and in particular to a universal connecting frame for rotary tillers. Background Technology
[0002] Rotary tillers are agricultural machines that work in conjunction with tractors or other traction equipment to perform tilling and harrowing operations. They are widely used because of their strong soil-breaking ability and the ability to flatten the soil surface after tilling. They can also chop up stubble buried below the surface, making it easier for seeders to operate and providing a good seedbed for later sowing.
[0003] The connecting frame connects the rotary tiller to the traction device to achieve tilling and harrowing operations or tilling and planting operations. Rotary tillers usually have a top connecting block on the top and two side connecting blocks on the front. The connecting frame connects the rotary tiller to form a stable triangular structure. However, different rotary tillers usually have different spacing between the two side connecting blocks on the front, and different models of traction devices may also have different traction positions. Therefore, the existing connecting frames are relatively fixed in structure, making it difficult to adjust the structure and not very applicable. Therefore, it is necessary to design a universal connecting frame for rotary tillers. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a universal connecting frame for rotary tillers.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A universal connecting frame for rotary tillers includes a rotary tiller body, a fixed frame on the top of the rotary tiller body, a top connecting block on the top of the fixed frame, two side connecting blocks on the front side wall of the rotary tiller body, a second connecting hole through the side connecting blocks, and a top sleeve rod located above the rotary tiller body. One end of the top sleeve rod has a connecting groove, and the top connecting block is detachably connected to the inside of the connecting groove. The other end of the top sleeve rod has a traction mechanism, and support connecting mechanisms are provided on both the left and right side walls of the top sleeve rod. The two support connecting mechanisms are respectively connected to the two side connecting blocks.
[0007] As a further improvement of this utility model, the traction mechanism includes a traction rod that is slidably inserted into the end of the top sleeve rod. The upper side wall of the traction rod is provided with first fastening holes. The upper side wall of the top sleeve rod is provided with a first fastening bolt that is screwed to the top sleeve rod. The first fastening bolt is inserted into the first fastening hole.
[0008] As a further improvement of this utility model, the supporting connection mechanism includes a first connecting plate and a second connecting plate. The first connecting plate is fixed on the side wall of the top sleeve rod, and the second connecting plate is detachably connected to the side connecting block. A first pin is fixed on one side of the first connecting plate, and a connecting rod is rotatably sleeved on the first pin. A second pin is fixed on the side wall of the second connecting plate, and a side sleeve rod is rotatably sleeved on the second pin. The connecting rod is slidably inserted into the end of the side sleeve rod away from the second connecting plate. Second fastening holes are arranged on the side wall of the connecting rod, and a second fastening bolt is threaded through the side wall of the side sleeve rod and screwed to the side sleeve rod. The second fastening bolt is inserted into the second fastening hole.
[0009] As a further improvement of this utility model, the end of the traction rod away from the top sleeve rod is provided with a strip groove, and the inner walls on both sides of the strip groove are provided with first connecting holes.
[0010] As a further improvement of this utility model, a second connecting hole is provided through the side wall of the side connecting block, a second connecting bolt is provided through the second connecting plate, the second connecting bolt passes through the second connecting hole, and a second connecting nut is screwed onto the second connecting bolt.
[0011] As a further improvement of this utility model, the top sleeve rod and the top connecting block are provided with the same first connecting bolt, and the first connecting bolt is screwed with a first connecting nut.
[0012] The beneficial effects of this utility model are:
[0013] By setting up a support connection mechanism, the connecting rod can slide inside the side sleeve rod and be fixed inside the second fastening hole by tightening the second fastening bolt. The overall length of the connecting rod and the side sleeve rod can be flexibly adjusted, thus adapting to the connection with two side connecting blocks of different widths, resulting in high adaptability.
[0014] By setting up a traction mechanism, the traction rod can move and adjust its position inside the top sleeve rod, and is fixed in place by tightening the first fastening bolt inside the first fastening hole. The length of the traction rod extension can be flexibly adjusted, making it adaptable to different traction equipment and highly adaptable. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of a universal connecting frame for rotary tillers proposed in this utility model from one perspective.
[0016] Figure 2 This is a structural schematic diagram from another perspective of the universal connecting frame for rotary tillers proposed in this utility model;
[0017] Figure 3This is a schematic diagram of the traction rod, strip groove, first connecting hole, and first fastening hole of a universal connecting frame for rotary tillers proposed in this utility model;
[0018] Figure 4 This is a schematic diagram of the connecting rod and the second fastening hole of a universal connecting frame for rotary tillers proposed in this utility model.
[0019] In the diagram: 1 Rotary tiller body, 2 Top sleeve rod, 3 First connecting bolt, 4 First connecting nut, 5 First fastening bolt, 6 Traction rod, 7 Strip groove, 8 First connecting hole, 9 First connecting plate, 10 Connecting rod, 11 First pin, 12 Second fastening bolt, 13 Side sleeve rod, 14 Second pin, 15 Side connecting block, 16 Second connecting hole, 17 Second connecting bolt, 18 Second connecting nut, 19 Fixing frame, 20 Top connecting block, 21 Second connecting plate, 22 Connecting groove, 23 First fastening hole, 24 Second fastening hole. Detailed Implementation
[0020] 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.
[0021] Reference Figures 1-4 A universal connecting frame for rotary tillers includes a rotary tiller body 1, a fixed frame 19 on the top of the rotary tiller body 1, a top connecting block 20 on the top of the fixed frame 19, two side connecting blocks 15 on the front side wall of the rotary tiller body 1, and a second connecting hole 16 through the side connecting blocks 15. It also includes a top sleeve rod 2 located above the rotary tiller body 1, a connecting groove 22 at one end of the top sleeve rod 2, and the top connecting block 20 detachably connected to the inside of the connecting groove 22. A first connecting bolt 3 passes through the top sleeve rod 2 and the top connecting block 20, and a first connecting nut 4 is screwed onto the first connecting bolt 3. A strip groove 7 is provided at the end of the traction rod 6 away from the top sleeve rod 2, and first connecting holes 8 pass through the inner walls of the opposite sides of the strip groove 7. A traction mechanism is provided at the other end of the top sleeve rod 2, and support connecting mechanisms are provided on the left and right side walls of the top sleeve rod 2, with the two support connecting mechanisms respectively connected to the two side connecting blocks 15.
[0022] In this utility model, the traction mechanism includes a traction rod 6 that is slidably inserted into the end of the top sleeve rod 2. The upper side wall of the traction rod 6 is provided with first fastening holes 23. The upper side wall of the top sleeve rod 2 is provided with a first fastening bolt 5 that is screwed into the top sleeve rod 2. The first fastening bolt 5 is inserted into the first fastening hole 23. Since the traction rod 6 can move and adjust its position inside the top sleeve rod 2, and is tightened into the first fastening hole 23 by the first fastening bolt 5, the traction rod 6 will be fixed. The length of the traction rod 6 can be flexibly adjusted, and it can be adapted to different traction equipment for installation.
[0023] The supporting connection mechanism includes a first connecting plate 9 and a second connecting plate 21. The first connecting plate 9 is fixed to the side wall of the top sleeve rod 2, and the second connecting plate 21 is detachably connected to the side connecting block 15. A first pin 11 is fixed to one side of the first connecting plate 9, and a connecting rod 10 is rotatably sleeved on the first pin 11. A second pin 14 is fixed to the side wall of the second connecting plate 21, and a side sleeve rod 13 is rotatably sleeved on the second pin 14. The connecting rod 10 is slidably inserted into the end of the side sleeve rod 13 away from the second connecting plate 21. The side wall of the connecting rod 10 is provided with second fastening holes 24. The side wall of the side sleeve rod 13 is provided with second fastening bolts 12 that are screwed to the side sleeve rod 13. The second fastening bolts 12 are inserted into the second fastening holes 24. Since the connecting rod 10 can slide inside the side sleeve rod 13 and is tightened inside the second fastening holes 24 by the second fastening bolts 12, the connecting rod 10 is fixed. The overall length of the connecting rod 10 and the side sleeve rod 13 can be flexibly adjusted, so as to adapt to the connection with two side connecting blocks 15 of different widths.
[0024] A second connecting hole 16 is provided through the side wall of the side connecting block 15, and a second connecting bolt 17 is provided through the second connecting plate 21. The second connecting bolt 17 passes through the second connecting hole 16, and a second connecting nut 18 is screwed onto the second connecting bolt 17.
[0025] In use, the top sleeve rod 2 and the top connecting block 20 are connected by the first connecting bolt 3 and the first connecting nut 4. Since the connecting rod 10 can slide inside the side sleeve rod 13, it is fixed by tightening the second fastening bolt 12 inside the second fastening hole 24. The overall length of the connecting rod 10 and the side sleeve rod 13 can be flexibly adjusted. The second connecting plate 21 and the side connecting block 15 are connected by the second connecting bolt 17 and the second connecting nut 18. Since the traction rod 6 can move and adjust its position inside the top sleeve rod 2, it is fixed by tightening the first fastening bolt 5 inside the first fastening hole 23. The length of the traction rod 6 can be flexibly adjusted, and it can be adapted to different traction equipment for installation, with high adaptability. Then, the traction rod 6 is connected and installed to the traction equipment through the first connecting hole 8.
[0026] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.
Claims
1. A rotary cultivator universal connecting frame, comprising a rotary cultivator body (1), the top of the rotary cultivator body (1) is provided with a fixing frame (19), the top of the fixing frame (19) is provided with a top connecting block (20), the front side wall of the rotary cultivator body (1) is provided with two side connecting blocks (15), the side connecting blocks (15) are provided with second connecting holes (16) penetrating therethrough, characterized in that, Also include the top sleeve rod (2) above the rotary cultivator body (1), one end of the top sleeve rod (2) is equipped with a connecting groove (22), the top connecting block (20) can be detachably connected inside the connecting groove (22), the other end of the top sleeve rod (2) is equipped with a traction mechanism, the left and right side walls of the top sleeve rod (2) are equipped with a support connecting mechanism, two support connecting mechanisms are connected with two side connecting blocks (15) respectively.
2. A universal toolbar for a rotary cultivator as claimed in claim 1, characterized in that The traction mechanism includes a traction rod (6) slidingly inserted into the end of the top sleeve rod (2), the upper side wall of the traction rod (6) is arranged with a first fastening hole (23), the upper side wall of the top sleeve rod (2) is penetrated with a first fastening bolt (5) screwed with the top sleeve rod (2), and the first fastening bolt (5) is inserted into the first fastening hole (23).
3. The universal toolbar for a rotary cultivator according to claim 1, characterized in that The support connecting mechanism includes a first connecting plate (9) and a second connecting plate (21), the first connecting plate (9) is fixed on the side wall of the top sleeve rod (2), the second connecting plate (21) is detachably connected on the side connecting block (15), one side of the first connecting plate (9) is fixed with a first pin shaft (11), the first pin shaft (11) is rotatably sleeved with a connecting rod (10), the side wall of the second connecting plate (21) is fixed with a second pin shaft (14), the second pin shaft (14) is rotatably sleeved with a side sleeve rod (13), the connecting rod (10) is slidingly inserted into one end of the side sleeve rod (13) away from the second connecting plate (21), the side wall of the connecting rod (10) is arranged with a second fastening hole (24), the side wall of the side sleeve rod (13) is penetrated with a second fastening bolt (12) screwed with the side sleeve rod (13), and the second fastening bolt (12) is inserted into the second fastening hole (24).
4. The universal toolbar for a rotary cultivator according to claim 2, characterized in that One end of the traction rod (6) away from the top sleeve rod (2) is provided with a strip-shaped groove (7), and the first connecting hole (8) is penetratingly arranged on the opposite inner walls of the strip-shaped groove (7).
5. A universal toolbar for a rotary cultivator as defined in claim 3, characterized in that The second connecting hole (16) is penetratingly arranged on the side wall of the side connecting block (15), the second connecting bolt (17) is penetratingly arranged on the second connecting plate (21), the second connecting bolt (17) passes through the second connecting hole (16), and the second connecting nut (18) is screwed on the second connecting bolt (17).
6. The universal toolbar for a rotary cultivator according to claim 1, characterized in that The first connecting bolt (3) is penetratingly arranged on the top sleeve rod (2) and the top connecting block (20), and the first connecting nut (4) is screwed on the first connecting bolt (3).