Adjustable ditching structure of ditching and fertilizing all-in-one machine

By designing a rotary tiller blade structure with adjustable ditching depth, the problem of existing machines being unable to adapt to the needs of different crops has been solved, achieving efficient ditching and fertilization operations.

CN223885684UActive Publication Date: 2026-02-10SHANDONG AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202520027719.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2026-02-10
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing trenching and fertilization machines cannot adjust the trenching depth and angle, making it difficult to adapt to the diverse needs of different crops.

Method used

An adjustable ditching structure was designed, comprising a hand-held frame, a transmission box, a ditching mechanism, and a fertilizing mechanism. The rotary tiller blades are driven to rotate via a gear and chain transmission system, and the position of the rotary tiller blades can be changed by adjusting the screw via a handwheel to adjust the ditching depth.

Benefits of technology

It achieves adjustable trenching depth, adapts to the planting requirements of various crops, improves work efficiency, and reduces equipment debugging time and costs.

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Abstract

The utility model discloses an adjustable ditching structure of a ditching and fertilizing all-in-one machine, which relates to the field of agricultural mechanical equipment, and adopts the technical scheme that the adjustable ditching structure comprises a walking type rack with wheels, an engine is fixedly arranged on the rack, a transmission case is arranged on the rack, the engine drives the wheels to rotate through the transmission case, and a ditching mechanism is further arranged on the rack. The ditching mechanism comprises a machine shell rotationally arranged on the machine frame, a rotating shaft of the machine shell is coaxial with the rotating shaft, two rotary blades are rotationally arranged at the lower end of the machine shell, and a driving unit used for driving the rotary blades to rotate is further arranged at the lower end of the machine shell. A fertilizing mechanism is further arranged on the rack and comprises a material storage box fixedly arranged on the rack, a discharging pipe is arranged at the lower end of the material storage box, and the lower end of the discharging pipe is fixed to the lower end of the machine shell. The adjustable furrowing machine has the advantages that the adjustable furrowing depth function can meet the planting requirements of various crops, the adjusting process is simple and convenient, the working efficiency is improved, and the time cost of equipment debugging when different crops are planted and switched is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery and equipment, and in particular to an adjustable ditching structure for an integrated ditching and fertilizing machine. Background Technology

[0002] In agricultural production, ditching and fertilization is an important agricultural operation that plays a vital role in the planting and growth of crops. The depth of the ditch has a key impact on crop growth. Different types of crops have different requirements for the depth of the planting ditch. For example, root and tuber crops often require relatively deep planting ditches, while some shallow-rooted vegetables require shallower ditches.

[0003] With the development of agricultural modernization, some trenching and fertilizing machines have appeared on the market. However, existing trenching and fertilizing machines have some shortcomings. For example, the trenching depth and angle of some equipment are not adjustable, making it difficult to adapt to the diverse needs of different crops for trench depth and angle. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides an adjustable ditching structure for an integrated ditching and fertilizing machine.

[0005] The technical solution includes a hand-held frame with wheels, an engine fixedly mounted on the frame, a transmission box on the frame, the engine driving the wheels to rotate through the transmission box, the transmission box including a rotating shaft rotatably mounted on the frame, a driven pulley fixedly mounted on the rotating shaft, a driving pulley fixedly mounted on the output shaft of the engine, and the driving pulley and the driven pulley connected by a transmission belt;

[0006] A drive sprocket is coaxially fixed on the shaft, an axle is provided between the two wheels, a driven sprocket is fixed on the axle, and the drive sprocket and the driven sprocket are connected by a chain.

[0007] The frame is also provided with a ditching mechanism, which includes a housing rotatably mounted on the frame, the housing having a rotation axis coaxial with the shaft, two rotary tillers rotatably mounted at the lower end of the housing, and a drive unit for driving the rotary tillers to rotate.

[0008] The frame is also equipped with a fertilizer application mechanism, which includes a storage bin fixedly mounted on the frame. The lower end of the storage bin is provided with a discharge pipe, and the lower end of the discharge pipe is fixed to the lower end of the machine casing.

[0009] Preferably, the drive unit includes a gear frame fixedly disposed at the lower end of the housing, and two inclined output bevel gears are rotatably disposed at the lower end of the gear frame. The two output bevel gears are disposed opposite to each other, and each output bevel gear is coaxially fixed with one of the rotary tillage blades.

[0010] An input bevel gear is rotatably mounted on the upper end of the gear carrier, and the input bevel gear meshes with two output bevel gears respectively.

[0011] Preferably, a connecting rod is coaxially fixedly mounted on the input bevel gear, a driven bevel gear is fixedly mounted on the upper end of the connecting rod, a driving bevel gear meshes with the driven bevel gear, and the driving bevel gear is coaxially fixed with the rotating shaft.

[0012] Preferably, each rotary tiller blade includes a blade shaft rotatably connected to the housing, and four intersecting blades are arranged on the side wall of the blade shaft. Two blades on the same straight line form a pair, in which the blade tips of one pair are bent inward and the blade tips of the other pair are bent outward.

[0013] Preferably, a sleeve is rotatably provided at the lower end of the housing, a screw is provided on the sleeve, and a nut is fixedly provided at the upper end of the sleeve, the nut being threadedly connected to the screw.

[0014] The upper end of the screw is rotatably provided with a rotating seat, and the rotating seat is rotatably connected to the frame;

[0015] A handwheel is also fixedly installed on the screw.

[0016] The beneficial effects of the technical solution provided by this utility model embodiment are: the adjustable trenching depth function can adapt to the planting requirements of various crops, the adjustment process is simple and convenient, improves work efficiency, and reduces the time cost of equipment debugging when switching between different crops. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model. Figure 1 .

[0018] Figure 2 This is a schematic diagram of the overall structure of an embodiment of the present utility model. Figure 2 .

[0019] Figure 3 This is a schematic diagram of the overall structure of an embodiment of the present utility model. Figure 3 .

[0020] Figure 4 This is a schematic diagram of the trenching mechanism according to an embodiment of the present invention.

[0021] Figure 5 This is a schematic diagram of the driving unit according to an embodiment of the present invention.

[0022] The attached diagram is labeled as follows: 1. Frame; 2. Engine; 3. Transmission box; 4. Wheel; 5. Shaft; 6. Ditching mechanism; 7. Housing; 8. Rotary tiller blade; 9. Drive unit; 10. Fertilizer applicator; 11. Discharge pipe; 12. Gear frame; 13. Output bevel gear; 14. Input bevel gear; 15. Connecting rod; 16. Driven bevel gear; 17. Driving bevel gear; 18. Sleeve; 19. Screw; 20. Rotating seat; 21. Handwheel. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are only for explaining this utility model and are not intended to limit it.

[0024] It should be noted that, without conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0025] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not 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 on this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Example 1

[0028] See Figures 1 to 5 This utility model provides an adjustable ditching structure for an integrated ditching and fertilizing machine, including a hand-held frame 1 with wheels 4, an engine 2 fixedly mounted on the frame 1, a transmission box 3 on the frame 1, the engine 2 drives the wheels 4 to rotate through the transmission box 3, the transmission box 3 includes a rotating shaft 5 rotatably mounted on the frame 1, a driven pulley fixedly mounted on the rotating shaft 5, and a driving pulley fixedly mounted on the output shaft of the engine 2, the driving pulley and the driven pulley being connected by a transmission belt;

[0029] A drive sprocket is coaxially fixed on the shaft 5, an axle is set between the two wheels 4, a driven sprocket is fixed on the axle, and the drive sprocket and the driven sprocket are connected by a chain;

[0030] The frame 1 is also provided with a ditching mechanism 6, which includes a housing 7 rotatably mounted on the frame 1, a rotating shaft 5 of the housing 7 being coaxial with the rotating shaft 5, two rotary tillers 8 being rotatably mounted at the lower end of the housing 7, and a drive unit 9 for driving the rotary tillers 8 to rotate.

[0031] The frame 1 is also equipped with a fertilizer application mechanism 10, which includes a storage box fixedly installed on the frame 1. The lower end of the storage box is provided with a discharge pipe 11, and the lower end of the discharge pipe 11 is fixed to the lower end of the casing 7.

[0032] The drive unit 9 includes a gear frame 12 fixedly mounted at the lower end of the housing 7. Two inclined output bevel gears 13 are rotatably mounted at the lower end of the gear frame 12. The two output bevel gears 13 are arranged opposite to each other, and each output bevel gear 13 is coaxially fixed with one of the rotary tillage blades 8.

[0033] An input bevel gear 14 is rotatably mounted on the upper end of the gear carrier 12, and the input bevel gear 14 meshes with two output bevel gears 13 respectively.

[0034] A connecting rod 15 is coaxially fixed on the input bevel gear 14, and a driven bevel gear 16 is fixedly fixed at the upper end of the connecting rod 15. The driven bevel gear 16 meshes with the driving bevel gear 17, and the driving bevel gear 17 is coaxially fixed with the rotating shaft 5.

[0035] When the device is started, the engine 2 drives the rotating shaft 5 to rotate through the transmission box 3. The driving bevel gear 17, which is fixed coaxially with the rotating shaft 5, rotates accordingly, driving the driven bevel gear 16 that meshes with it to rotate. The input bevel gear 14 is rotated through the connecting rod 15. The input bevel gear 14 then transmits power to the coaxially fixed rotary tiller 8 through the meshing of the two output bevel gears 13, causing it to rotate. As the machine moves forward, it performs ditching operations such as breaking up the soil and throwing soil.

[0036] Each rotary tiller blade 8 includes a blade shaft that is rotatably connected to the housing 7. Four blades intersecting at 90 degrees are arranged on the side wall of the blade shaft. Two blades on the same straight line form a pair, with the blade tips of one pair bent inward and the blade tips of the other pair bent outward.

[0037] When the rotary tiller blade 8 rotates, the inward-bending blades and the outward-bending blades can apply force to the soil from different directions during the rotation; at the same time, it can also increase the contact area between the blades and the soil.

[0038] As the machine moves forward, the rotating rotary tiller blades 8 utilize this special blade structure to effectively break up and ditch the soil.

[0039] A sleeve 18 is rotatably installed at the lower end of the housing 7. A screw 19 is installed on the sleeve 18. A nut is fixedly installed at the upper end of the sleeve 18. The nut is threadedly connected to the screw 19.

[0040] A rotating seat 20 is rotatably mounted on the upper end of the screw 19, and the rotating seat 20 is rotatably connected to the frame 1;

[0041] A handwheel 21 is also fixedly mounted on the screw 19.

[0042] When it is necessary to adjust the trenching depth, the operator holds the handwheel 21 fixed on the screw 19 and turns it to rotate the screw 19. Since the screw 19 is threadedly connected to the nut on the sleeve 18 at the lower end of the housing 7 and the upper end of the screw 19 is rotatably connected to the frame 1 through the rotating seat 20, the nut will move up and down when the screw 19 rotates, causing the sleeve 18 and the housing 7 to change their position relative to the frame 1.

[0043] When it is necessary to move this device, the handwheel 21 can be turned in the opposite direction, causing the screw 19 to move the nut upward, and the sleeve 18 at the lower end of the housing 7 will move upward accordingly, so that the rotary tiller 8 is a certain distance away from the ground. In this way, when the device is moved, the rotary tiller 8 will not rub or scrape against the ground, reducing unnecessary resistance and wear on the rotary tiller 8. It also makes it easy to move the device to different work locations or store it.

[0044] When using this utility model, the screw 19 is rotated by the handwheel 21 to adjust the position of the machine housing 7 to determine the trenching depth, so that the rotary tiller 8 is in the appropriate position. Then, the frame 1 is pushed to the work area to start the trenching and fertilization operation. The engine 2 drives the wheels 4 forward through the transmission box 3. At the same time, the rotating shaft 5 drives the rotary tiller 8 to rotate through the drive unit 9 to open trenches in the soil. The fertilizer in the storage box falls into the trench through the discharge pipe 11.

[0045] 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. An adjustable ditching structure for an integrated ditching and fertilizing machine, comprising a hand-held frame (1) with wheels (4), an engine (2) fixedly mounted on the frame (1), a transmission box (3) provided on the frame (1), the engine (2) driving the wheels (4) to rotate through the transmission box (3), characterized in that, The transmission box (3) includes a rotating shaft (5) rotatably mounted on the frame (1), and a driven pulley is fixedly mounted on the rotating shaft (5). A driving pulley is fixedly mounted on the output shaft of the engine (2). The driving pulley and the driven pulley are connected by a transmission belt. A drive sprocket is coaxially fixed on the shaft (5), an axle is provided between the two wheels (4), a driven sprocket is fixed on the axle, and the drive sprocket and the driven sprocket are connected by a chain; The frame (1) is also provided with a ditching mechanism (6), which includes a housing (7) rotatably mounted on the frame (1), the rotation shaft (5) of the housing (7) being coaxial with the shaft (5), two rotary tillers (8) being rotatably mounted at the lower end of the housing (7), and a drive unit (9) for driving the rotary tillers (8) to rotate. A sleeve (18) is rotatably provided at the lower end of the housing (7), and a screw (19) is provided on the sleeve (18). A nut is fixedly provided at the upper end of the sleeve (18), and the nut is threadedly connected to the screw (19). The upper end of the screw (19) is rotatably provided with a rotating seat (20), and the rotating seat (20) is rotatably connected to the frame (1); A handwheel (21) is also fixedly installed on the screw (19); The frame (1) is also provided with a fertilizer application mechanism (10), which includes a storage box fixedly installed on the frame (1). The lower end of the storage box is provided with a discharge pipe (11), and the lower end of the discharge pipe (11) is fixed to the lower end of the casing (7).

2. The adjustable trenching structure of the integrated trenching and fertilizing machine according to claim 1, characterized in that, The drive unit (9) includes a gear frame (12) fixedly installed at the lower end of the housing (7). Two inclined output bevel gears (13) are rotatably installed at the lower end of the gear frame (12). The two output bevel gears (13) are arranged opposite to each other, and each output bevel gear (13) is coaxially fixed with one of the rotary tillage blades (8). The upper end of the gear carrier (12) is rotatably equipped with an input bevel gear (14), which meshes with the two output bevel gears (13) respectively.

3. The adjustable trenching structure of the integrated trenching and fertilizing machine according to claim 2, characterized in that, A connecting rod (15) is coaxially fixed on the input bevel gear (14), and a driven bevel gear (16) is fixedly mounted on the upper end of the connecting rod (15). A driving bevel gear (17) meshes with the driven bevel gear (16), and the driving bevel gear (17) is coaxially fixed with the rotating shaft (5).

4. The adjustable trenching structure of the integrated trenching and fertilizing machine according to claim 3, characterized in that, Each rotary tiller (8) includes a blade shaft that is rotatably connected to the housing (7). Four blades intersecting at 90 degrees are arranged on the side wall of the blade shaft. Two blades on the same straight line are a pair, one pair of blades with the blade heads bent inward and the other pair of blades with the blade heads bent outward.