Composite agricultural machine
By designing switchable functional components, the problem of the single function of traditional agricultural machinery has been solved, enabling the composite agricultural machinery to carry out efficient cultivation in various soil environments and adapt to different soil textures and planting requirements.
Patent Information
- Application Number
- CN202520248595.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Traditional agricultural machinery has limited functionality and cannot be adapted to various soil environments and planting needs. Different equipment needs to be replaced to cope with different soil textures and planting requirements.
Design a composite agricultural machine that includes switchable functional components, such as a rotary tiller, a power harrow, and a soil-crushing roller. The functional components can be quickly switched through a transmission output end to adapt to the tillage needs of different soil textures.
It enables agricultural machinery to adapt to different soil environments, improves tillage efficiency and applicability, and meets the needs of tillage and planting in different soil textures.
Smart Images

Figure CN223859682U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of agriculture, and more specifically to a composite agricultural machine. Background Technology
[0002] In existing technologies, agricultural machinery is typically used to improve the soil environment or for planting operations;
[0003] Traditional agricultural machinery has limited functions and faces different soil environments and planting requirements during the cultivation process;
[0004] However, during use, different agricultural machinery needs to be replaced when facing different soil environments, and different types of seeds have different planting requirements in different soil environments, including planting depth and soil looseness.
[0005] Therefore, how to provide a new type of composite agricultural machinery that can be quickly adapted to various soil and planting requirements is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content
[0006] In view of this, the present invention provides a composite agricultural machine, which aims to solve the technical problem that the traditional agricultural machines have single functions and cannot be applied to a variety of soil environments.
[0007] A composite agricultural machine includes: a power head; and also includes:
[0008] The frame, with its front end connected to the slewing support at the traction end of the power head;
[0009] The engine, with its fixed end securely connected to the frame;
[0010] The transmission unit includes a transmission input end, a transmission output end one, and a transmission output end two. The transmission input end is connected to the power output end of the engine, and both the transmission output end one and the transmission output end two are connected to the transmission input end.
[0011] Rotary tillage unit 1 is mounted on the frame, and the power input end of rotary tillage unit 1 is connected to the transmission output end 1.
[0012] A strip seeder, which is installed at the rear of the frame;
[0013] The replaceable functional unit is mounted on the frame and located between the rotary tiller and the seeder. The functional unit can be any one of the rotary tiller, the power harrow, and the soil crushing roller. When switching between functional units, the power input ends of the rotary tiller, the power harrow, and the soil crushing roller are all connected to the transmission output end 2.
[0014] Through the above technical solution, this utility model solves the technical problem that traditional agricultural machinery has a single function and cannot be applied to various soil environments. By allowing the functional part to be switched to any one of rotary tillage part two, power harrow, and soil crushing roller, it realizes three combination modes: rotary tillage part one and rotary tillage part two, rotary tillage part one and power harrow, and rotary tillage part one and soil crushing roller. The combination mode of rotary tillage part one and rotary tillage part two is mainly for soils with relatively uniform and loose texture, suitable for rapid tillage and leveling; the combination mode of rotary tillage part one and power harrow is mainly for soils with relatively compact texture that require deep tillage, such as loess and black soil, to break up the plow pan and improve soil structure; the combination mode of rotary tillage part one and soil crushing roller is mainly for soils with relatively compact texture that require shallow tillage and clod breaking, such as some loess and red soil, to improve soil aeration and permeability; it has the characteristics of wide applicability.
[0015] Preferably, the frame includes a traction frame, a frame body, a hydraulic cylinder one, a wheel frame, and a hydraulic cylinder two. The traction frame has an A-frame design, with its tip connected to the traction end of the power head via a rotary support. The front end of the frame body is hinged to the wide end of the traction frame. A vertical plate is fastened to the front end of the frame body along the height direction. The fixed end of the engine is fastened to the frame body. The rotary tiller one, the row seeder, and the functional parts are all mounted on the frame body. The fixed end of the hydraulic cylinder one is hinged to the top of the vertical plate, and the telescopic end of the hydraulic cylinder one is hinged to the traction frame. Support wheels are rotatably connected to both sides of the wheel frame. The front end of the wheel frame is hinged to the frame body. The fixed end of the hydraulic cylinder two is hinged to the frame body, and the telescopic end of the hydraulic cylinder two is hinged to the rear end of the wheel frame.
[0016] Preferably, the main frame includes a front frame, a connecting frame, and a rear frame. The front frame is horizontally arranged, with its front end hinged to the wide end of the traction frame. The fixed end of the engine is fastened to the front frame. The rotary tiller and the functional unit are installed on the bottom surface of the front frame. The connecting frame is U-shaped, with its front bottom end fastened to the rear end of the front frame. The fixed end of the hydraulic cylinder is rotatably connected to the middle bottom end of the connecting frame. The rear frame is horizontally arranged, with its front end fastened to the rear bottom end of the connecting frame. The row seeder is installed on the top surface of the rear frame. The wheel frame is located between the front and rear frames, with its front end hinged to the rear end of the front frame.
[0017] Preferably, it also includes a gearbox, the input end of which is connected to the power output end of the engine, and the output end of the gearbox is connected to the transmission input end.
[0018] Preferably, the rotation direction of the working ends of rotary tillage section one and rotary tillage section two is perpendicular to the ground.
[0019] Preferably, the rotation direction of the working end of the power rake is parallel to the ground.
[0020] Preferably, the functional part is rotary tillage part two, the working depth of rotary tillage part two is greater than the working depth of rotary tillage part one, and the rotation speed of rotary tillage part two is greater than the rotation speed of rotary tillage part one.
[0021] Preferably, it also includes deep tillage hooks, with multiple deep tillage hooks located in front of the rotary tillage section and securely connected to the front end of the front frame to perform initial soil breaking.
[0022] Preferably, it also includes a drip irrigation tape laying section, which is located behind the strip seeder and is securely connected to the rear end of the rear frame for laying the drip irrigation tape.
[0023] Preferably, it also includes a hydraulic station, which is connected to hydraulic cylinder one and hydraulic cylinder two via pipelines.
[0024] As can be seen from the above technical solution, compared with the prior art, the present invention discloses a composite agricultural machine with the following beneficial effects: the functional units can be switched between the rotary tiller, the power harrow and the soil crushing roller, and during the switching process, the power input ends of the rotary tiller, the power harrow and the soil crushing roller are all connected to the transmission output end and are connected in transmission. The transmission interface is unified, which facilitates the switching of the functional units among multiple units and improves efficiency. Attached Figure Description
[0025] Figure 1 A three-dimensional schematic diagram of a composite agricultural machine provided by this utility model;
[0026] Figure 2 A three-dimensional schematic diagram of a composite agricultural machine (functional part being rotary tillage part 2) provided by this utility model;
[0027] Figure 3 A three-dimensional schematic diagram of a composite agricultural machine (functional part being a power harrow) provided for this utility model;
[0028] Figure 4 A three-dimensional schematic diagram of a composite agricultural machine (the functional part of which is a soil-crushing roller) provided for this utility model;
[0029] Figure 5 A three-dimensional schematic diagram of the frame provided by this utility model;
[0030] Figure 6 A three-dimensional schematic diagram of the frame body provided by this utility model;
[0031] Figure 7 An exploded view of the transmission part of a composite agricultural machine provided by this utility model;
[0032] Figure 8 for Figure 7 A magnified view of a section at point A;
[0033] Figure 9An assembly diagram of the transmission unit and rotary tillage unit provided by this utility model;
[0034] Figure 10 A three-dimensional schematic diagram of the rotary tillage section two provided by this utility model;
[0035] Figure 11 A three-dimensional schematic diagram of the power rake provided by this utility model;
[0036] Figure 12 This is a three-dimensional schematic diagram of the soil-crushing roller provided by this utility model.
[0037] The components are as follows: 1-Power head; 2-Frame; 3-Rotary tillage section one; 4-Functional section; 5-Strip seeder; 6-Press roller; 7-Deep tillage hook; 8-Drip irrigation tape laying section; 21-Engine; 22-Gearbox; 23-Transmission section; 24-Traction frame; 25-Frame body; 26-Hydraulic cylinder one; 27-Wheel frame; 28-Hydraulic cylinder two; 41-Rotary tillage section two; 42-Power harrow; 43-Soil crushing roller; 231-Transmission input end; 233-Transmission output end one; 234-Transmission output end two; 235-Shell; 236-Cover plate; 230-Connecting flange; 251-Front frame; 252-Connecting frame; 253-Rear frame; 411-Rotary tillage section two body; 412-First connecting flange; 421-Power harrow body; 422-Second connecting flange; 431-Soil crushing roller body; 432-Third connecting flange. Detailed Implementation
[0038] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.
[0039] See appendix Figure 1-12 This utility model discloses a composite agricultural machine, including: a power head 1; and also including: a frame 2, an engine 21, a transmission unit 23, a rotary tiller 3, a row seeder 5, and a functional unit 4;
[0040] The front end of frame 2 is connected to the traction end slewing support of power head 1;
[0041] The fixed end of the engine 21 is securely connected to the frame 2;
[0042] The transmission unit 23 includes a transmission input end 231, a first transmission output end 233 and a second transmission output end 234. The transmission input end 231 is connected to the power output end of the engine, and the first transmission output end 233 and the second transmission output end 234 are both connected to the transmission input end 231.
[0043] Rotary tillage unit 3 is mounted on frame 2, and the power input end of rotary tillage unit 3 is connected to the transmission output end 233.
[0044] The strip seeder 5 is installed at the rear end of the frame 2;
[0045] Functional unit 4 is installed on frame 2 and located between rotary tiller 3 and row seeder 5. Functional unit 4 is any one of rotary tiller 41, power harrow 42 and soil crushing roller 43. When switching, the power input end of rotary tiller 41, power harrow 42 and soil crushing roller 43 are connected to and driven by transmission output end 234.
[0046] Specifically, the row seeder 5 is an air-suction or air-blowing row seeder, suitable for crops such as corn and soybeans.
[0047] Specifically, the transmission unit 23 includes a housing 235 and a cover plate 236. The transmission input end 231, the transmission output end one 233, and the transmission output end two 234 are respectively gear one, gear two, and gear three, which are centrally connected to rotating shafts. Gear two and gear three are arranged at intervals along the front-rear direction of the frame 2 and are rotatably connected inside the housing 235. Gear one is rotatably connected inside the housing 235 and is located above gear two. Gear one is connected to gear two and gear three through multiple transmission gears. The cover plate 236 is detachably connected to the open end of the housing 235.
[0048] More specifically, one end of the rotating shaft of the gear three-center fastening connection passes through the housing 235 and protrudes from the inside of the frame 2 and is fastened to the connecting flange 230.
[0049] In some embodiments, the frame 2 includes a traction frame 24, a frame body 25, a first hydraulic cylinder 26, a wheel frame 27, and a second hydraulic cylinder 28. The traction frame 24 has an A-frame design, with its tip connected to the traction end of the power head 1 for rotational support. The front end of the frame body 25 is hinged to the wide end of the traction frame 24. A vertical plate is fastened to the front end of the frame body 25 along the height direction. The fixed end of the engine 21 is fastened to the frame body 25. The rotary tiller 3, the row seeder 5, and the functional unit 4 are all mounted on the frame body 25. The fixed end of the first hydraulic cylinder 26 is hinged to the top of the vertical plate. The telescopic end of the first hydraulic cylinder 26 is hinged to the traction frame 24. Support wheels are rotatably connected to both sides of the wheel frame 27. The front end of the wheel frame 27 is hinged to the frame body 25. The fixed end of the second hydraulic cylinder 28 is hinged to the frame body 25. The telescopic end of the second hydraulic cylinder 28 is hinged to the rear end of the wheel frame 27. Therefore, the height of the frame 2 can be raised by hydraulic cylinder 26 and hydraulic cylinder 28.
[0050] In other embodiments, the frame body 25 includes a front frame 251, a connecting frame 252, and a rear frame 253. The front frame 251 is horizontally arranged, and its front end is hinged to the wide end of the traction frame 24. The fixed end of the engine 21 is fastened to the front frame 251. The rotary tillage unit 3 and the functional unit 4 are installed on the bottom surface of the front frame 251. The connecting frame 252 is U-shaped, and its front bottom end is fastened to the rear end of the front frame 251. The fixed end of the hydraulic cylinder 28 is rotatably connected to the middle bottom end of the connecting frame 252. The rear frame 253 is horizontally arranged, and its front end is fastened to the rear bottom end of the connecting frame 252. The strip seeder 5 is installed on the top surface of the rear frame 253. The wheel frame 27 is located between the front frame 251 and the rear frame 253, and its front end is hinged to the rear end of the front frame 251.
[0051] Specifically, it also includes a pressing roller 6, which is rotatably connected to the rear frame 253, and its axis of rotation is parallel to both sides of the frame 2.
[0052] Specifically, the rotary tillage unit 2 41 includes a rotary tillage unit 2 body 411 and a first connecting flange 412. When the functional part 4 is the rotary tillage unit 2 41, the rotary tillage unit 2 body 411 is fastened to the bottom surface of the front frame 251 by bolts, and the first connecting flange 412 and the connecting flange 230 are connected by transmission.
[0053] Specifically, the power rake 42 includes a power rake body 421 and a second connecting flange 422. When the functional part 4 is the power rake 42, the power rake body 421 is fastened to the bottom surface of the front frame 251 by bolts, and the first connecting flange 412 and the connecting flange 230 are connected by transmission.
[0054] Specifically, the soil crushing roller 43 includes a soil crushing roller body 431 and a third connecting flange 432. When the functional part 4 is the soil crushing roller 43, the soil crushing roller body 431 is fastened to the bottom surface of the front frame 251 by bolts, and the first connecting flange 412 and the connecting flange 230 are connected by transmission.
[0055] In one embodiment, a gearbox 22 is also included. The input end of the gearbox 22 is connected to the power output end of the engine 21, and the output end of the gearbox 22 is connected to the transmission input end 231. Thus, the speed and torque output by the engine 21 can be adjusted via the gearbox 22.
[0056] In one embodiment, the rotation direction of the working ends of rotary tillage section 3 and rotary tillage section 41 is perpendicular to the ground.
[0057] In some embodiments, the rotation direction of the working end of the power rake 42 is parallel to the ground.
[0058] In this embodiment, the functional part 4 is a rotary tillage part 2 41. The working depth of the rotary tillage part 2 41 is greater than the working depth of the rotary tillage part 1 3, and the rotation speed of the rotary tillage part 2 41 is greater than the rotation speed of the rotary tillage part 1 3.
[0059] Specifically, the working depth of rotary tiller 1 (3) is about 20-25 cm, and the working depth of rotary tiller 2 (41) is about 15-20 cm.
[0060] More specifically, for soils that are easy to cultivate, such as loess or sandy soil, the functional unit 4 can be selected not to be equipped with functional components, and the soil can be directly sown after being treated by the rotary tillage unit 3.
[0061] In some specific embodiments, a deep tillage hook 7 is also included. Multiple deep tillage hooks 7 are located in front of the rotary tillage section 3 and are securely connected to the front end of the front frame 251, thereby performing initial soil breaking.
[0062] In some other embodiments, a drip irrigation tape laying section 8 is also included, which is located behind the strip seeder 5 and is securely connected to the rear end of the rear frame 253, thereby laying the drip irrigation tape.
[0063] In some other embodiments, a hydraulic station is also included, which is connected to hydraulic cylinder 26 and hydraulic cylinder 28 via pipelines.
[0064] The specific principle and usage method of the composite agricultural machinery provided in this embodiment are as follows:
[0065] 1. The hydraulic cylinder 26 retracts and the hydraulic cylinder 28 extends, and the frame 2 is raised by controlling the hydraulic station.
[0066] 2. Select the appropriate type of functional unit 4 based on different soil and cultivation requirements;
[0067] 3. Secure the selected functional part 4 to the bottom surface of the front frame 251 with bolts, and mate and secure the corresponding connecting flange of the functional part 4 with the connecting flange 230.
[0068] 4. Start the engine 21 to drive the rotary tiller 3 and the functional unit 4 to rotate;
[0069] 5. The hydraulic cylinder 26 extends and the hydraulic cylinder 28 retracts, controlled by the hydraulic station, and the frame 2 descends to the working height to cultivate the land.
[0070] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A composite agricultural machine, characterized in that, include: Power head (1); Also includes: The frame (2) is connected at its front end to the traction end rotary support of the power head (1); Engine (21), the fixed end of which is fastened to the frame (2); The transmission unit (23) includes a transmission input end (231), a first transmission output end (233) and a second transmission output end (234). The transmission input end (231) is connected to the power output end of the engine. The first transmission output end (233) and the second transmission output end (234) are both connected to the transmission input end (231). Rotary tillage unit 1 (3) is mounted on the frame (2), and the power input end of the rotary tillage unit 1 (3) is connected to the transmission output end 1 (233). A strip seeder (5) is installed at the rear end of the frame (2); A replaceable functional unit (4) is installed on the frame (2) and located between the rotary tiller (3) and the row seeder (5). The functional unit (4) is any one of the rotary tiller (21), the power harrow (42) and the soil pulverizer (43). When the functional unit (4) is switched, the power input ends of the rotary tiller (21), the power harrow (42) and the soil pulverizer (43) are all connected to the transmission output end (234) and transmitted.
2. The composite agricultural machinery according to claim 1, characterized in that, The frame (2) includes a traction frame (24), a frame body (25), a hydraulic cylinder one (26), a wheel frame (27), and a hydraulic cylinder two (28). The traction frame (24) has an A-frame design, and its tip is rotatably supported and connected to the traction end of the power head (1). The front end of the frame body (25) is hinged to the wide end of the traction frame (24). A vertical plate is fastened to the front end of the frame body (25) along the height direction. The fixed end of the engine (21) is fastened to the frame body (25). The rotary tiller one (3) The strip seeder (5) and the functional unit (4) are both mounted on the frame body (25). The fixed end of the first hydraulic cylinder (26) is hinged to the top of the upright plate, and the telescopic end of the first hydraulic cylinder (26) is hinged to the traction frame (24). Support wheels are rotatably connected to both sides of the wheel frame (27). The front end of the wheel frame (27) is hinged to the frame body (25). The fixed end of the second hydraulic cylinder (28) is hinged to the frame body (25), and the telescopic end of the second hydraulic cylinder (28) is hinged to the rear end of the wheel frame (27).
3. The composite agricultural machinery according to claim 2, characterized in that, The main frame (25) includes a front frame (251), a connecting frame (252), and a rear frame (253). The front frame (251) is horizontally arranged, and its front end is hinged to the wide end of the traction frame (24). The fixed end of the engine (21) is fastened to the front frame (251). The rotary tiller (3) and the functional part (4) are installed on the bottom surface of the front frame (251). The connecting frame (252) is U-shaped, and the bottom end of the front section of the connecting frame (252) is connected to the front frame. The rear end of the frame (251) is fastened, the fixed end of the hydraulic cylinder (28) is rotatably connected to the bottom surface of the middle section of the connecting frame (252), the rear frame (253) is arranged horizontally, the front end of the rear frame (253) is fastened to the bottom end of the rear section of the connecting frame (252), the strip seeder (5) is installed on the top surface of the rear frame (253), the wheel frame (27) is located between the front frame (251) and the rear frame (253), and the front end of the wheel frame (27) is hinged to the rear end of the front frame (251).
4. The composite agricultural machinery according to claim 1, characterized in that, It also includes a gearbox (22), the input end of which is connected to the power output end of the engine (21) and the output end of which is connected to the transmission input end (231).
5. The composite agricultural machinery according to claim 1, characterized in that, The rotation direction of the working ends of the rotary tillage section one (3) and rotary tillage section two (41) is perpendicular to the ground.
6. The composite agricultural machinery according to claim 1, characterized in that, The rotation direction of the working end of the power rake (42) is parallel to the ground.
7. The composite agricultural machinery according to claim 1, characterized in that, The functional part (4) is the rotary tillage part two (41), the working depth of the rotary tillage part two (41) is greater than the working depth of the rotary tillage part one (3), and the rotation speed of the rotary tillage part two (41) is greater than the rotation speed of the rotary tillage part one (3).
8. The composite agricultural machinery according to claim 3, characterized in that, It also includes deep tillage hooks (7), a plurality of which are located in front of the rotary tillage section (3) and are fastened to the front end of the front frame (251).
9. The composite agricultural machinery according to claim 3, characterized in that, It also includes a drip irrigation tape laying section (8), which is located behind the strip seeder (5) and is fastened to the rear end of the rear frame (253).
10. The composite agricultural machinery according to claim 2, characterized in that, It also includes hydraulic stations, which are connected to hydraulic cylinder one (26) and hydraulic cylinder two (28) via pipelines.