Novel ditching and deep fertilizing machine for tea garden

By designing a new type of tea garden trenching and deep fertilization machine, using a DC motor drive and V-shaped trenching cutters, combined with a lifting and covering device, the problems of passability and uniformity of tea garden fertilization machinery in rugged terrain are solved, stable trenching and uniform fertilization are achieved, adapting to complex environments, and reducing maintenance costs and pollution.

CN223415265UActive Publication Date: 2025-10-10JIANGXI AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202422631843.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-10-10
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Existing tea garden fertilization machinery has poor passability and fertilization uniformity in rugged terrain, cannot meet the agronomic requirements of tea gardens, and has high maintenance costs, high labor intensity, and serious fertilizer loss and environmental pollution.

Method used

A new type of tea garden trenching and deep fertilization machine has been designed. It adopts a DC motor drive system, combined with a lifting system, trenching system and fertilization system. Through the V-shaped trenching cutters and soil covering device, it can achieve stable trenching and uniform fertilization, which is suitable for hilly and mountainous environments.

Benefits of technology

It achieves stable trenching in hilly and mountainous areas, meets agronomic requirements, has excellent fertilization effects, reduces labor intensity and maintenance costs, and reduces fertilizer loss and environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel tea garden ditching deep fertilizer applicator which comprises a vehicle body, a lifting system, a ditching system, a first driving system, a second driving system, a third driving system and a fertilizer applying system, the vehicle body comprises a mounting platform and crawler-type chassis, and the front end and the rear end of the bottom of the mounting platform are each provided with a crawler-type chassis; the first driving system is arranged at the upper end of the mounting platform and used for driving the vehicle body to walk, the second driving system is arranged at the lower end of the mounting platform and used for driving the lifting system to ascend and descend, one end of the lifting system is fixed to the two ends of the left side of the mounting platform, and the other end of the lifting system is connected with one end of the ditching system; the ditching system is used for providing power for the ditching system, and the other end of the ditching system is connected with the fertilizing system which is located at the left upper end of the ditching system; the furrow opener has the advantages that furrow opening and fertilization can be continuously carried out, the furrow opening effect is stable, the furrow opening depth can be adjusted, and the furrow depth and the furrow width can meet agricultural requirements.
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Description

Technical Field

[0001] The utility model belongs to the technical field of tea garden management using agricultural machinery, and specifically relates to the technical field of trenching and fertilizing devices for agricultural and forestry machinery, and in particular, relates to a novel tea garden trenching and deep fertilizing machine. Background Art

[0002] Furrowing and fertilization are crucial steps in tea plantation production and a key measure for improving tea product quality. In tea plantation management, the use of machinery to replace manual soil loosening and fertilization has become an inevitable trend and a key focus of current tea industry development. Because my country's tea plantations are primarily located in mountainous or hilly areas with rugged terrain and harsh soil conditions, soil loosening and fertilization are particularly important.

[0003] At present, although large-scale tea garden management machines can integrate tillage, spraying, pruning and picking, they are unable to meet the requirements of use in rugged tea garden environments due to their complex structure, large size, poor maneuverability and high maintenance costs; small-scale tea garden management machines have problems such as low power and unqualified fertilization depth, and cannot be promoted and used on a large scale.

[0004] Meanwhile, fertilization in tea gardens still primarily relies on manual broadcasting and shallow trenching, which undoubtedly increases labor intensity and easily leads to fertilizer loss and environmental pollution. Current tea garden fertilization equipment can be divided into two types: single-row fertilization and inter-row fertilization. However, due to the dense and irregular planting of tea gardens, narrow row spacing, compacted soil, and abundant surface residue, existing fertilization machinery still has many problems in terms of maneuverability, trenching, and fertilization uniformity.

[0005] To better meet the needs of trench fertilization in tea gardens, it is necessary to develop and promote fertilizer machinery suitable for tea gardens. This machinery should have the characteristics of high maneuverability, easy operation, low maintenance cost, and be able to adapt to the complex planting environment and different soil conditions of tea gardens. Utility Model Content

[0006] The purpose of the utility model is to provide a new tea garden furrowing and deep fertilizing machine which can realize stable furrowing of a row of tea ridges, achieve stable fertilization effect, and meet the agronomic requirements of the tea garden in terms of furrow depth and width, and can adjust the vertical height of the tool according to needs.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0008] A new type of tea garden trenching and deep fertilizer spreading machine includes a vehicle body, a lifting system, a trenching system, a first drive system, a second drive system, a third drive system and a fertilizer spreading system, wherein the trenching system includes an L-shaped angle steel, a square steel, a coupling, a tapered roller bearing, a bearing seat, a tool bracket, a trenching tool, a tool holder and a steel sheet; the vehicle body includes a mounting platform and a crawler chassis; a set of crawler chassis is provided at the front and rear ends of the bottom of the mounting platform; the mounting platform has an upper and lower platform, and the upper and lower platforms of the mounting platform are connected by two columns; the first drive system is provided at the mounting platform The lower platform of the platform is used to drive the vehicle body to move. The second drive system has two groups. The two groups of second drive systems are respectively arranged on the front and rear ends of the upper platform of the installation platform, and are used to drive the rise and fall of the lifting system. The lifting system has two groups. One end of the two lifting systems is respectively fixed on the two columns of the installation platform, and the other end is connected to one end of the L-shaped angle steel at one end of the ditching system. The third drive system is fixed on the other end of the L-shaped angle steel at one end of the ditching system. The third drive system is used to provide power to the ditching system. The fertilization system is installed on the upper left end of the ditching system. The seat includes a driving shaft and a driven shaft perpendicular to the driving shaft. A first bevel gear is installed at one end of the driving shaft, and the other end passes through the inside of the tool holder and is connected to the tapered roller bearing. A second bevel gear meshing with the first bevel gear is installed on the driven shaft, and a first gear is installed at each end of the driven shaft. A hexagonal hole for the hexagonal shaft to pass through is provided in the middle of the front and rear ends of the tool holder. One end of the two hexagonal shafts is respectively connected to a steel sheet, and the other end is respectively equipped with a second gear meshing with the first gear. Two threaded holes are provided on the front and rear ends of the two steel sheets, and the front and rear ends are respectively provided with two threaded holes. The threaded holes are distributed crosswise in the front and back directions. The trenching tool is fixed on the four threaded holes of the steel sheet. The first bevel gear is engaged with the second bevel gear to rotate the driven shaft to transmit power to the first gear and the second gear, thereby making the trenching tool complete the rotational motion. The bottom of the tool bracket is fixedly connected to the upper end of the tool holder, the top of the tool bracket is fixedly connected to the lower surface of the bottom of the square steel, the upper surface of the bottom of the square steel is connected to the bearing seat, a tapered roller bearing is nested in the bearing seat, one end of the coupling is fixedly connected to the tapered roller bearing, and the other end is connected to the third drive system, and the top of the square steel is fixedly connected to the L-shaped angle steel.

[0009] Furthermore, one end of each of the two hexagonal shafts is fixedly connected to a steel sheet through a cotter pin, the output end of the coupling is transitionally matched with the hole of the tapered roller bearing through the shaft, a threaded hole is provided on the top of the square steel, and the top of the square steel is fixedly connected to the L-shaped angle steel by bolts passing through the threaded hole, the grooving tool is fixedly connected to the four threaded holes on the steel sheet by bolts, the upper end of the tool seat is welded to the lower end of the tool bracket, the top of the tool bracket is fixedly connected to the lower surface of the square steel bottom by four bolts, the upper surface of the square steel bottom is connected to the bearing seat by bolts, and the grooving tool is arranged in a V shape.

[0010] Further, the tool holder is a hollow long rod, the upper end of the driving shaft is connected with the tapered roller bearing through the hollow structure of the tool holder, and a mud guard is further arranged on the tool holder, the mud guard is an arc-shaped guard plate, a through hole for mounting the tool holder is arranged in the middle of the arc-shaped guard plate, the tool holder is clamped into the through hole of the mud guard, and the arc-shaped opening of the mud guard is downwardly arranged and located at the upper end of the ditching tool.

[0011] Further, the first driving system is a driving motor, the output shaft of the driving motor is connected with the tracked chassis, the driving motor rotates through the driving output shaft, the output shaft transmits power to the tracked chassis on both sides, and then drives the vehicle body to move; the second driving system comprises a driving motor and a speed reducer, the output shaft of the driving motor is connected with the input shaft of the speed reducer, and the output shaft of the speed reducer is connected with the top of the lifting system; the third driving system comprises a driving motor and a speed reducer, the output shaft of the driving motor is connected with the input shaft of the speed reducer, and the output shaft of the speed reducer is connected with the input end of the shaft coupling, wherein the speed reducers in the second driving system and the third driving system are both AT280L speed reducers in the AT0-L speed reducer series, and the size is L22, and the driving motors in the first driving system, the second driving system and the third driving system are all high-power DC motors of the BLDC8318-150 model.

[0012] Further, each group of lifting systems comprises a lead screw, an upper bearing seat, a lower bearing seat, a sliding seat, a sliding seat shell and a guide rail shell, the upper and lower ends of the lead screw are fixed to the guide rail shell through the upper bearing seat and the lower bearing seat respectively, the guide rail shell covers the upper end of the lead screw, the guide rail shell is fixed to two vertical columns on the mounting platform, the sliding seat shell is sleeved on the sliding seat and can move up and down on the lead screw together with the sliding seat, the lead screw passes through the middle of the sliding seat and is in sliding connection with the sliding seat, an extension plate is further connected between the two sliding seat shells, the extension plate is fixed to the upper ends of the two sliding seat shells respectively, two groups of second driving systems are located on the upper ends of the guide rail shells of each group of lifting systems respectively, one end of each group of lifting systems is connected with the output shafts of the speed reducers of the two groups of second driving systems through the lead screws respectively, and the other end is connected with the ditching system through the extension plate, the second driving system transmits power to the lead screw through the driving motor and the speed reducer, so that the lead screw rotates, and the rotation of the lead screw drives the sliding seat to move up and down, thereby lifting.

[0013] Further, ball bearings are arranged in the upper bearing seat and the lower bearing seat, the lead screw is a ball screw, and screw holes are arranged on the extension plate, the ditching system is fixed to the middle of the extension plate through the screw holes on the extension plate by locking screws.

[0014] Furthermore, the fertilization system includes a fertilizer loading bucket, a fertilizer conduit, a platform, an arc-shaped steel sheet and a connecting rod. The platform is a tetrahedral platform, the bottom of the platform is welded to the outer surface of the upper end of the arc-shaped steel sheet, the fertilizer loading bucket is fixedly connected to the upper end of the platform by bolts, one end of the fertilizer conduit is installed on the lower side of the fertilizer loading bucket, and the other end is a discharge port, the pipe mouth of the discharge port is directly opposite to the top of the groove, and the discharge port of the fertilizer conduit is also provided with an adjusting inclined plate that can control the opening and closing of the fertilizer. The fertilizer is stored in the fertilizer loading bucket, one end of the arc-shaped steel sheet is fixedly installed on one end of the connecting rod by bolts, and the other end of the connecting rod is fixed to the left side of the square steel of the trenching system by bolts. The fertilizer is discharged into the opened trench by the vibration of the body during the movement of the utility model.

[0015] Furthermore, the crawler chassis includes a crawler driving wheel, a driven wheel, a support wheel and a crawler. The crawler is fixed as a whole on the front and rear ends of the bottom of the mounting platform. The crawler driving wheel, the driven wheel and the support wheel are all installed inside the crawler, and each crawler is respectively provided with two crawler driving wheels, two driven wheels and a support wheel. The support wheel is located in the middle of the crawler, and distributed outward from the middle of the support wheel to the left and right ends are a driven wheel and a crawler driving wheel in sequence. The crawler chassis is connected to the output shaft of the drive motor of the first drive system through the crawler driving wheel.

[0016] Furthermore, it also includes a covering device, which is arranged at the front end of the trenching tool. The covering device includes an electric push rod, a push rod driving motor, a base and a mechanical clamp. The electric push rod is fixed to the rear end of the bottom of the base through a push rod housing, and the push rod driving motor is fixed to the front end of the bottom of the base. The push rod driving motor is connected to the active rod inside the electric push rod through an output shaft. An arched connecting plate is provided on the top of the base, and a threaded hole is provided on the arched connecting plate. One end of the covering device is connected to one end of the arc-shaped steel sheet through a bolt passing through the threaded hole on the arched connecting plate, and the other end of the covering device is welded to the shaft at the upper end of the mechanical clamp through the push rod on the electric push rod. When the push rod driving motor is driven, the push rod driving motor transmits power to the push rod, so that the push rod can move back and forth, thereby driving the connecting rod mechanism inside the mechanical clamp to move, so that the mechanical clamp is continuously opened and closed, so as to achieve the purpose of gathering the soil blocks splashed by trenching, and better mix the soil and fertilizer.

[0017] Furthermore, the electric push rod is a TA16 model electric push rod with a maximum load of 2000N and a maximum stroke of 600mm; the push rod drive motor is a Y80M1-2 model DC brush motor.

[0018] Furthermore, it also includes a loading platform, which is detachably connected to the mounting platform. The loading platform is an L-shaped plate, one end of the L-shaped plate is connected to the right end of the upper platform of the mounting platform, and the other end is connected to the upper right end of the lower platform of the mounting platform. After the loading platform and the mounting platform are connected, they form a rectangular frame.

[0019] In the utility model, the installation platform is welded with the tracked chassis through aluminum alloy steel pipes, the aluminum alloy steel pipes are provided with a plurality of aluminum alloy steel pipes welded into a frame (not shown in the drawing), the installation platform is welded on the upper end of the frame welded by the plurality of aluminum alloy steel pipes, and the two tracked chassis are respectively welded on the front and rear sides of the frame.

[0020] In the utility model, the first driving system further includes a speed reducer, the output shaft of the driving motor of the first driving system is connected with the input shaft of the speed reducer, the output shaft of the speed reducer is connected with the track drive wheels on both sides, the driving motor transmits power to the track drive wheels through the speed reducer to drive the vehicle body to walk, the speed reducer adopts AT280L speed reducer in AT0-L speed reducer series, and the size is L22.

[0021] In the utility model, the ditching cutter is arranged in V shape, the first driving system is installed on the installation platform of the vehicle body in the walking system to control the walking of the walking system, the second driving system is installed above the shell of the lifting system to control the lifting of the lifting system, the third driving system is installed on the L-shaped angle steel above the cutter to control the rotation of the ditching cutter, the fertilizer loading bucket is installed between the ditching system and the covering device, the fertilizer conduit discharges the fertilizer into the opened ditch, the covering device gathers the soil blocks splashed during ditching through mechanical clamping, so that the fertilizer can be fully mixed with the soil, the fertilizer system realizes fertilization by vibrating during the movement of the utility model, the fertilizer in the fertilizer loading bucket is conveyed into the fertilizer conduit, the fertilizer loading bucket is fixedly connected on the platform welded above the arc-shaped steel sheet through bolts, and the fertilizer can be immediately applied after ditching; the material loading table can temporarily place some sundries, and can be disassembled when not in use to avoid unnecessary shielding, so that the stable and continuous operation can be ensured; the cutter support is additionally provided with a fender, so that the soil blocks splashed during ditching are prevented from entering the chassis walking system to cause jamming, and the operation efficiency and the appearance are affected.

[0022] Compared with the prior art, the utility model has the beneficial effects that:

[0023] The drive system of the present invention utilizes a DC motor, which features a simple structure, reliable operation, and low cost. The connection between the tool holder and the coupling utilizes a tapered roller bearing, which improves the tool's stability during operation. The utility model's lifting system allows for more reasonable control of the trenching depth. The fertilization system effectively pours fertilizer into the trench through the opening of the fertilizer box. The covering mechanism collects clods of soil splashed during trenching, ensuring thorough mixing of the soil and fertilizer. The V-shaped arrangement of the rotary trenching cutters ensures superior trenching performance, meeting the agronomic requirements of tea gardens. A fender is added to the trenching cutters to enhance the trenching stability of the present invention. Continuous trenching and fertilization are possible, with stable trenching results and adjustable trenching depth, ensuring both trench depth and width meet agronomic requirements. The fertilization effect is excellent, enabling uniform and continuous fertilization. The travel is stable, adapting to the complex environments of hilly and mountainous areas, and the drive method is safe and environmentally friendly. Furthermore, the coordination between the various systems of the present invention is excellent, making it adaptable to various complex environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is the main view of the utility model;

[0025] Figure 2 It is a left view of the utility model;

[0026] Figure 3 This is a structural diagram of the lifting system of the utility model;

[0027] Figure 4 This is a structural diagram of the ditching system of the utility model;

[0028] Figure 5 This is a schematic diagram of the internal structure of the knife holder of the utility model;

[0029] Figure 6 This is a structural diagram of the fertilizing system and soil covering device of the utility model;

[0030] Figure 7 This is a schematic diagram of the connection between the tapered roller bearing and the bearing seat in the trenching system of the utility model;

[0031] Figure 8 This is a schematic diagram of the connection between the electric push rod, push rod drive motor and base of the utility model;

[0032] Figure 9 It is a three-dimensional diagram of the present utility model.

[0033] 1. Crawler drive wheel, 2. Crawler track, 3. Driven wheel, 4. Support wheel, 5. Mounting platform, 6. Loading platform, 7. L-shaped angle steel, 8. Drive motor, 9. Coupling, 10. Connecting rod, 11. Fender, 12. Tool holder, 13. Square steel, 14. Arc steel sheet, 15. Speed ​​reducer, 16. Trenching tool, 17. Lower bearing seat, 18. Lead screw, 19. Slide housing, 20. Slide, 21. Upper bearing seat, 22. Hexagonal shaft, 23. Tool holder, 24. Electric Push rod, 25. Push rod housing, 26. Driving shaft, 27. Extension plate, 28. Driven shaft, 29. Guide rail housing, 30. Tapered roller bearing, 31. Steel sheet, 32. Fertilizer loading bucket, 33. Platform, 34. Fertilizer guide tube, 35. Bearing seat, 36. First bevel gear, 37. Second bevel gear, 38. First gear, 39. Second gear, 40. Mechanical gripper, 41. Push rod, 42. Adjustment ramp, 43. Push rod drive motor, 44. Base, 45. Arched connecting plate. DETAILED DESCRIPTION

[0034] In order to explain in detail the technical content, structural features, achieved objectives and effects of the technical solution, the following is explained in conjunction with specific examples and accompanying drawings. For parts that are not specifically explained and not shown in the drawings, existing technologies are used and will not be repeated here.

[0035] In the description of the present application, it should be noted that the terms "center / portion", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "front", "back", "top", "bottom", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0036] Furthermore, the terms “first,” “second,” and “third” are used for descriptive purposes only and should not be understood as indicating or implying relative importance.

[0037] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "provided with," "sheathed / connected," "enclosed," "nested," etc., should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0038] It is also to be understood that the terminology "includes / including", "consisting / consisting of", or any other variation thereof, is intended to cover a non-exclusive inclusion, such that a product, apparatus, process, or method that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such product, apparatus, process, or method. The elements defined by the transition "comprises / comprising", "consisting of" do not exclude the presence of additional identical elements in the product, apparatus, process, or method that includes the stated elements.

[0039] As Figures 1 to 9The utility model provides a novel tea garden ditching and deep fertilizing machine, including car body, elevating system, ditching system, first drive system, second drive system, third drive system and fertilizing system, wherein, the ditching system includes L type angle steel 7, square steel 13, shaft coupling 9, tapered roller bearing 30, bearing seat 43, cutter support 12, ditching cutter 16, tool rest 23 and steel sheet 31, the car body includes installation platform 5 and caterpillar chassis, and one group caterpillar chassis is equipped with respectively in the bottom front and rear ends of installation platform 5, installation platform 5 is equipped with two layers of platform, and the upper layer platform and the lower layer platform of installation platform 5 are connected through two stands, the first drive system is located on the lower layer platform of installation platform, is used to drive car body to walk, the second drive system is equipped with two groups, and the two groups of second drive system are located on the front and rear ends of the upper layer platform of installation platform 5 respectively, and are all used to drive the elevation of elevating system and the descent, the elevating system is equipped with two groups, and one end of the two groups of elevating system is fixed on the two stands of installation platform 5 respectively, and the other end is connected with one end of L type angle steel 7 of the one end of ditching system, the third drive system is fixed on the other end of L type angle steel 7 of the one end of ditching system, and the third drive system is used to provide power for ditching system, and the other end of ditching system is connected with fertilizing system, and the fertilizing system is located in the left upper end of ditching system, the inside of tool rest 23 includes driving shaft 26 and driven shaft 28 perpendicular to driving shaft, and the one end of driving shaft 26 is installed with first bevel gear 36, and the other end passes through the inside of cutter support 12 and is connected with tapered roller bearing 30, and driven shaft 28 is installed with second bevel gear 37 meshing with first bevel gear 36, and the two ends of driven shaft 28 are installed with a first gear 38 respectively, and the middle part of front and rear ends of tool rest 23 is equipped with a hexagonal hole for the hexagonal shaft 22 to pass through, and one end of two hexagonal shafts 22 is connected with a steel sheet 31 respectively, and the other end is installed with a second gear 39 meshing with first gear 38 respectively, and the two ends of two steel sheets 31 are all equipped with two threaded holes respectively, and the threaded holes of front and rear ends are distributed in front and rear intersection, and ditching cutter 16 is fixed on four threaded holes of steel sheet 31, and first bevel gear 36 and second bevel gear 37 are engaged to make driven shaft 28 rotate and transmit power to first gear 38 and second gear 39, and then make ditching cutter 16 complete rotary motion, and the bottom of cutter support 12 is fixedly connected with the upper end of tool rest 23, and the top of cutter support 12 is fixedly connected with the bottom lower surface of square steel 13, and the bottom upper surface of square steel 13 is connected with bearing seat 35, and bearing seat 43 is nested with a tapered roller bearing 30, and tapered roller bearing 30 can improve the stability when ditching system works, and one end of shaft coupling 9 is fixedly connected with tapered roller bearing 30, and the other end is connected with the output shaft of third drive system, and the top of square steel 13 is fixedly connected with L type angle steel 7.

[0040] Preferably, one end of each of the two hexagonal shafts 22 is fixedly connected to a steel sheet 31 by a cotter pin, and the output end of the coupling 9 adopts a transition fit through the shaft and the hole of the tapered roller bearing 30. A threaded hole is provided on the top of the square steel 13, and the top of the square steel 13 is fixedly connected to the L-shaped angle steel 7 by bolts passing through the threaded hole. The blades on the ditching tool 16 are fixedly connected to the four threaded holes on the steel sheet 31 by bolts. The upper end of the tool seat 23 is welded to the lower end of the tool bracket 12, and the top of the tool bracket 12 is fixedly connected to the lower surface of the bottom of the square steel 13 by four bolts. The upper surface of the bottom of the square steel 13 is connected to the bearing seat 43 by bolts. The ditching tool 16 is made of a hard material, which has high hardness, good wear resistance and certain toughness. It is suitable for deep ditching and breaking soil in tea gardens. The ditching tool 16 adopts a V-shaped arrangement and rotates through the meshing of bevel gears. Compared with traditional straight tools, it can greatly reduce friction, which is conducive to ditching and reduces direct collision with debris such as stones in the soil, thereby improving service life.

[0041] Preferably, the tool holder 12 is in the shape of a hollow long rod, and the upper end of the driving shaft 26 passes through the hollow structure of the tool holder 12 and is connected to the tapered roller bearing 30. The tool holder 12 is also provided with a mudguard 11, which is an arc-shaped baffle. A through hole is provided in the middle of the arc-shaped baffle for being mounted on the tool holder 12. The mudguard 11 is mounted on the tool holder 12, and the mudguard 11 is located at the upper end of the trenching tool 16, with its arc-shaped opening facing downward.

[0042] Preferably, the first drive system is a drive motor 8, the output shaft of the drive motor 8 is connected to the track drive wheel 1 of the crawler chassis, and the drive motor 8 rotates by driving the output shaft (i.e., the driving shaft), and the output shaft (i.e., the driving shaft) transmits power to the track drive wheels 1 on both sides, thereby driving the vehicle body to move; the second drive system includes a drive motor 8 and a reducer 15, the output shaft of the drive motor 8 is connected to the input shaft of the reducer 15, and the output shaft of the reducer 15 is connected to the screw rod 18; the third drive includes a drive motor 8 and a reducer 15, the output shaft of the drive motor 8 is connected to the input shaft of the reducer 15, and the output shaft of the reducer 15 is connected to the input end of the coupling 9, wherein the reducers 15 in the second drive system and the third drive system both adopt the AT280L reducer in the AT0-L reducer series, with a size of L22, and the drive motors 8 in the first drive system, the second drive system and the third drive system all adopt the BLDC8318-150 model high-power DC motor.

[0043] Preferably, each lifting system comprises a screw rod 18, an upper bearing seat 21, a lower bearing seat 17, a sliding seat 20, a sliding seat shell 19 and a guide rail shell 29, the screw rod 18 is fixed to the guide rail shell 29 through the upper bearing seat 21 and the lower bearing seat 17 at the upper and lower ends respectively, the guide rail shell 29 covers the upper end of the screw rod 18, the upper bearing seat 21 and the lower bearing seat 17 are located at the upper and lower ends of the guide rail shell 29 respectively, the guide rail shell 29 is fixed to two vertical columns on the mounting platform 5, the sliding seat shell 19 is sleeved on the sliding seat 20 and can move up and down on the screw rod 18 together with the sliding seat 20, the screw rod 18 passes through the middle part of the sliding seat 20 and is in sliding connection with the sliding seat 20, and an extension plate 27 is further connected between the two sliding seat shells 19 and fixed to the upper ends of the two sliding seat shells 19 respectively, two second driving systems are located at the upper ends of the guide rail shells 29 of each lifting system respectively, and one end of each lifting system is connected with the output shafts of the reducers 15 of the two second driving systems through the screw rod 18 respectively, and the other end is connected with the ditching system through the extension plate 27, the second driving system transmits power to the screw rod 18 through the driving motor 8 after the reducer 15, so that the screw rod 18 rotates, the rotation of the screw rod 18 makes the sliding seat 20 move up and down, thereby lifting.

[0044] Preferably, the guide rail shell 29 can effectively prevent wind and sand and other factors from interfering with the work and prolong the service life, ball bearings are installed in the upper bearing seat 21 and the lower bearing seat 17, and the screw rod 18 is a ball screw, so that the ball bearings reduce friction, can more effectively convert energy, improve the working efficiency of the system, and the extension plate 27 is provided with a threaded hole, the other end of the lifting system is connected with one end of the L-shaped angle steel 7 of the ditching system through a locking screw passing through the threaded hole on the extension plate 27, and the one end of the L-shaped angle steel 7 is fixed to the middle part of the extension plate 27.

[0045] Preferably, the fertilizing system comprises a fertilizer loading hopper 32, a fertilizer conduit 34, a platform 33, an arc-shaped steel sheet 14 and a connecting rod 10, the platform 33 is a tetrahedron platform, the bottom of the platform 33 is welded with the outer surface of the upper end of the arc-shaped steel sheet 14, the fertilizer loading hopper 32 is fixedly connected with the upper end of the platform 33 through bolts, one end of the fertilizer conduit 34 is installed on the lower side of the fertilizer loading hopper 32, and the other end is a discharge port, the pipe opening of the discharge port is opposite to the upper side of the ditch, the fertilizer is stored in the fertilizer loading hopper 32, one end of the arc-shaped steel sheet 14 is fixedly installed on one end of the connecting rod 10 through bolts, and the other end of the connecting rod 10 is fixedly connected with the left side of the square steel 13 of the ditching system through bolts, the fertilizer is discharged into the opened ditch through the vibration of the fuselage of the utility model during movement, and an adjusting inclined plate 42 is further installed on the discharge port of the fertilizer conduit 34, and the adjusting inclined plate 42 can control the opening and closing of the fertilizer.

[0046] Preferably, the crawler chassis includes a crawler driving wheel 1, a driven wheel 3, a support wheel 4 and a crawler 2. The crawler 2 is fixed as a whole on the front and rear ends of the bottom of the mounting platform 5. The crawler 2 is narrow and can be used in tea gardens with narrow tea rows and hilly and mountainous terrain with a large inclination. It can achieve a large climbing angle and can adapt to tea gardens with various terrains. The crawler 2 is made of metal to prevent the occurrence of side slip and other phenomena. The crawler driving wheel 1, the driven wheel 3 and the support wheel 4 are all installed inside the crawler 2, and each crawler 2 is respectively provided with two crawler driving wheels 1, two driven wheels 3 and a support wheel 4. The support wheel 4 is located in the middle of the crawler 2, and distributed outward from the middle of the support wheel 4 to the left and right ends are a driven wheel 3 and a crawler driving wheel 1.

[0047] Preferably, the two steel plates 31 are respectively located on the outside of the two ends of the knife seat 23, and there is a gap between them and the knife seat 23. The two grooving tools 16 installed on the two steel plates 31 are located in the gap between the knife seat 23 and the steel plates 31, and the second gears 39 installed on the other ends of the two hexagonal shafts 22 are located inside the knife seat 23.

[0048] Preferably, it also includes a covering device, which is arranged at the front end of the trenching tool 16. The covering device includes an electric push rod 24, a push rod drive motor 43, a base 44 and a mechanical clamp 40. The electric push rod 24 is fixed to the rear end of the bottom of the base 44 through the push rod housing 25. The push rod drive motor 43 is fixed to the front end of the bottom of the base 44. The push rod drive motor 43 is connected to the active rod (i.e., the input end) inside the electric push rod 24 through the output shaft. An arched connecting plate 45 is provided on the top of the base 44, and a threaded hole is provided on the arched connecting plate 45. One end of the covering device is connected to the The bolt passes through the threaded hole on the arch connecting plate 45 and is connected to one end of the arc-shaped steel sheet 14. The other end of the covering device is welded to the shaft at the upper end of the mechanical gripper 40 through the push rod 41 on the electric push rod 24. When the push rod drive motor 43 is driven, the push rod drive motor 43 transmits power to the push rod 41. The push rod drive motor 43 enables the push rod 41 to move back and forth, thereby driving the connecting rod mechanism inside the mechanical gripper 40 to move, so that the mechanical gripper 40 is continuously opened and closed, thereby achieving the purpose of gathering the soil blocks splashed by ditching, and better mixing the soil and fertilizer.

[0049] Preferably, the electric push rod 24 adopts the electric push rod of model TA16 in the prior art, the maximum load of the electric push rod 24 is 2000N, and the maximum stroke is 600mm; the push rod drive motor 43 adopts the DC brush motor of model Y80M1-2 in the prior art with a rated current of 1.8A.

[0050] Preferably, it also includes a loading platform 6, which is detachably connected to the mounting platform 5. The loading platform 6 is an L-shaped plate, one end of the L-shaped plate is connected to the right end of the upper platform of the mounting platform 5, and the other end is connected to the upper right end of the lower platform of the mounting platform 5. After the loading platform 6 is connected to the mounting platform 5, they form a rectangular frame.

[0051] In this utility model, the new tea garden trenching and deep fertilizing machine designed by this utility model mainly consists of five major systems: drive system, fertilizing system, trenching system, lifting system, and walking system. All five systems are connected to the installation platform. The fertilizing system is located between the trenching system and the covering device. The overall size of the machine is preferably 1300mm*60mm*1400mm, and the overall weight is 80kg;

[0052] The travel system utilizes a crawler-type chassis with excellent adhesion and maneuverability. The crawler-type chassis is mounted on both sides of a mounting platform 5, enabling the present invention to better maneuver in hilly and mountainous areas. The crawler-type chassis consists of a crawler drive wheel 1, driven wheels 3, support wheels 4, and a crawler track 2. The crawler track 1 is integrally fixed to the mounting platform 5. The crawler track of the present invention is relatively narrow, making it suitable for use in tea gardens with narrow rows and hilly and mountainous terrain with steep inclinations. It can achieve a wide climbing angle and is adaptable to tea gardens with a variety of terrains. The crawler track 2 is made of metal to prevent side slippage. The utility model is also equipped with a covering device in front of the trenching tool 16. The covering device includes an electric push rod 24, a push rod drive motor 43, a base 44 and a mechanical gripper 40. The electric push rod 24 is fixed to the rear end of the bottom of the base 44 through the push rod housing 25, and the push rod drive motor 43 is fixed to the front end of the bottom of the base 44. The push rod drive motor 43 is connected to the active rod (i.e., the input end) inside the electric push rod 24 through the output shaft. An arched connecting plate 45 is provided on the top of the base 44, and a threaded hole is provided on the arched connecting plate 45. One end of the covering device is connected to one end of the arc-shaped steel sheet 14 by a bolt passing through the threaded hole on the arched connecting plate 45, and the other end of the covering device is welded to the shaft at the upper end of the mechanical gripper 40 through the push rod 41 on the electric push rod 24.

[0053] The drive system mainly includes a first drive system, a second drive system, a third drive system and a transmission shaft and line connected to the power. The three drive systems all include a drive motor 8 and a reducer 15, and the drive motor 8 in each drive system is connected to the input end of the reducer 15 through the output end. The drive motor 8 and the reducer 15 of the first drive system are fixedly connected to the lower platform of the mounting platform 5 through a group of bolts. The first drive system is connected to the crawler drive wheels 1 on both sides through the output end of the reducer 15. The drive motor 8 and the reducer 15 of the second drive system are connected to the upper end of the guide rail housing 29 of the lifting system, and the upper end of the lead screw 18 is inserted into the reducer 15 of the second drive system. The drive motor 8 and the reducer 15 of the third drive system are fixedly connected to the other end of the L-shaped angle steel 7 of the trenching system through a group of bolts. The third drive system is connected to the input end of the coupling 9 through the output end of the reducer 15;

[0054] The lifting system includes a screw 18, bolts, nuts, an upper bearing seat 21, a lower bearing seat 17, a ball bearing, a slide 20, a slide housing 19, and a guide rail housing 29. The two ends of the screw 18 are respectively fixed to the guide rail housing 29 through the upper bearing seat 21 and the lower bearing seat 17. The guide rail housing 29 is fixed to the two columns in front of the mounting platform 5. The upper bearing seat 21 and the lower bearing seat 17 are respectively located at the upper and lower ends of the guide rail housing 29. Ball bearings are installed in the upper bearing seat 21 and the lower bearing seat 17. The slide 20 is slidably connected to the screw 18. The bottom of the lower bearing seat 17 is fixed to the mounting platform 5, the upper bearing seat 21 is installed on the lower end of the upper platform of the mounting platform 5, the lead screw 18 passes through the middle of the slide 20, and the slide 20 can move up and down relative to the lead screw 18. The slide housing 19 is provided with an extension plate 27, and the extension plate 27 is provided with a threaded hole. The lifting system is connected to the fertilizing system and the ditching system by passing the locking screw through the threaded hole on the extension plate 27. The lead screw 18 is inserted into the reducer 15. The drive motor 8 of the second drive system drives the lead screw 18 to rotate after passing through the reducer 15. The rotation of the lead screw 18 causes the slide 20 to move up and down, thereby lifting;

[0055] The furrowing system comprises a cutter holder 23, a furrowing cutter 16, a cutter support 12, a shaft coupling 9, a tapered roller bearing 30, a bearing seat 43, a square steel 13, an L-shaped angle steel 7 and a mudguard 11, the cutter holder 23 is internally composed of a driving shaft 26 and a driven shaft 28 perpendicular to the driving shaft 26, the lower end of the driving shaft 26 is provided with a first bevel gear 36, the upper end of the driving shaft 26 penetrates through the inside of the cutter support 12 and is connected with the tapered roller bearing 30, the driven shaft 28 is provided with a second bevel gear 37 meshing with the first bevel gear 36, the two ends of the driven shaft 28 are respectively provided with a first gear 38, the meshing of the first bevel gear 36 and the second bevel gear 37 enables the driven shaft 28 to rotate and transmit power to the first gear 38 and a second gear 39, thereby enabling the furrowing cutter 16 to complete the rotary motion, a hexagonal hole is arranged in the middle of the front and rear ends of the cutter holder 23, a hexagonal shaft 22 with a hexagonal section penetrates through the two hexagonal holes, one end of each of the two hexagonal shafts 22 is fixedly connected with a steel sheet 31 through an open pin, and a gap is left between each steel sheet 31 and the cutter holder 23, two threaded holes are arranged on the front and rear ends of each steel sheet 31, the two threaded holes on the same side are in a diagonal relationship, and the threaded holes on the two sides are cross-distributed, that is, the four threaded holes are respectively arranged on the upper left corner and the lower right corner of the rear end of the steel sheet 31 and the lower left corner and the upper right corner of the front end of the steel sheet 31, the blades on the furrowing cutter 16 are fixedly connected with the four threaded holes on the steel sheet 31 through bolts, the cutter support 12 is welded on the cutter holder 23, the mudguard 11 is arranged on the cutter support 12, the mudguard 11 is sleeved on the cutter support 12 in the middle, and the mudguard 11 is located directly above the furrowing cutter 16, the upper end of the cutter support 12 is connected with a square steel 13 through four bolts, the bottom surface of the square steel 13 is connected with a bearing seat 35 through a bolt, the bearing seat 35 is embedded with a tapered roller bearing 30, the tapered roller bearing 30 can improve the stability of the furrowing system during operation, the shaft coupling 9 is fixedly connected with the tapered roller bearing 30, the shaft of the shaft coupling 9 is transitionally fitted with the hole of the tapered roller bearing 30, the top of the square steel 13 is also provided with a threaded hole, the L-shaped angle steel 7 on the top of the square steel 13 is fixedly connected with the square steel 13 through bolts, the L-shaped angle steel 7 is provided with a driving motor 8 of a third driving system and a speed reducer 15 for providing power for the movement of the furrowing system, the furrowing cutter 16 is made of hard material, the material has high hardness, good wear resistance and certain toughness, is suitable for deep furrowing and soil breaking and other tillage tasks in tea gardens, the furrowing cutter 16 of the utility model is arranged in a V shape, rotates through the meshing of bevel gears, and compared with traditional straight cutters, can greatly reduce friction, is conducive to furrowing, reduces direct collision with stones and other sundries in the soil, and thereby improves the service life;

[0056] The fertilization system comprises a fertilizer loading hopper 32, which is fixedly connected to a platform 33 welded on the arc-shaped steel sheet 14, a fertilizer conduit 34, one end of which is installed on the lower side of the fertilizer loading hopper 32, and the other end of which is a discharge port, the pipe opening of the discharge port being opposite to the upper side of the groove, and fertilizer being stored in the fertilizer loading hopper 32 and being discharged into the opened groove through the vibration of the main body of the utility model when the utility model is in motion, and the discharge port of the fertilizer conduit 34 is further provided with an adjusting inclined plate 42 for controlling the opening and closing of the fertilizer.

[0057] In the utility model, the installation platform 5 is welded with the tracked chassis through aluminum alloy steel pipes, the aluminum alloy steel pipes are provided in plurality, the plurality of aluminum alloy steel pipes are welded into a frame (not shown in the drawing), the installation platform 5 is welded on the upper end of the frame welded by the plurality of aluminum alloy steel pipes, and the two tracked chassis are respectively welded on the front and rear sides of the frame.

[0058] In the utility model, the tracked chassis, the driving motor 8, the shaft coupling 9, the speed reducer 15, the electric push rod 24, the push rod driving motor 43 and the mechanical gripper 40 are all prior art means, and the structural features, connection modes and working principles thereof are all common knowledge of those skilled in the art, and will not be repeated here.

[0059] In the utility model, the mudguard 11 can prevent the earth clods brought by the ditching from splashing into the chassis running system to cause jamming, thereby affecting the operation efficiency and the appearance.

[0060] In the utility model, in order to adapt to the structural arrangement, the utility model adopts a backward walking mode for operation.

[0061] In the utility model, the bearing seat 35 and the tapered roller bearing 30 are connected between the cutter support 12 and the shaft coupling 9, the bearing seat 35 reduces the influence of vibration on the cutter part, and the service life of the tapered roller bearing 30 can be improved. The use of the tapered roller bearing 30 further improves the shock resistance, and the tapered roller bearing 30 is more suitable for installation and dismounting than the traditional bearing.

[0062] In the utility model, the ditching cutter 16 in the ditching system is arranged in a V shape along the center line, and compared with the traditional straight-type ditching cutter, the friction force can be greatly reduced, which is conducive to ditching and reduces the direct collision with the stones and sundries in the soil, thereby improving the service life. The driving shaft 26 transmits power to the driven shaft 28 perpendicular thereto through a bevel gear, and then transmits power to the second gear 39 engaged therewith through the two first gears 38 installed on the two ends of the driven shaft 28, so as to drive the ditching cutter 16 to rotate. The ditching cutter 16 is made of hard alloy material, which has the characteristics of high hardness, good wear resistance and certain toughness, and is suitable for deep plowing, soil breaking and ditching of the ground.

[0063] In the present invention, the crawler chassis is adopted, which has a stronger obstacle-crossing capability than the traditional wheeled chassis and is more suitable for walking in mountainous areas or between more complex tea ridges.

[0064] In the present invention, in terms of chassis space arrangement, the present invention chooses to place the drive motor and the travel system in the front and back, which reduces the transverse diameter of the present invention and enables it to better adapt to narrow ridge spacing.

[0065] In the present utility model, the lifting system adopts a ball screw 18 to connect the slide 20, converting the rotary motion into a reversible linear motion, so that the ditching system, fertilizing system, etc. connected to the rear end can be flexibly raised and lowered through the thread, and because the rolling of the ball reduces friction, energy conversion can be performed more effectively, thereby improving the working efficiency of the system.

[0066] In the present invention, the loading platform 6 can be used to temporarily place some sundries, and can be disassembled when not in use to avoid unnecessary obstruction, so as to ensure the stability and continuity of the operation.

[0067] In the present invention, the drive motors 8 are all DC motors, which have a relatively simple structure, reliable operation, and relatively low cost, thus offering good economic benefits. By introducing sensors, actuators, controllers, and other equipment, remote monitoring, fault diagnosis, and adaptive adjustment of the motors are achieved, thereby improving the operational stability and reliability of the motors.

[0068] In the present invention, the trenching cutter 16 is arranged in a V-shape. The first drive system is installed on the mounting platform 5 of the vehicle body in the walking system to control the walking of the walking system. The second drive system is installed above the lifting system shell to control the lifting of the lifting system. The third drive system is installed on the L-shaped angle steel 7 above the cutter to control the rotation of the trenching cutter 16. The fertilizer loading bucket 32 ​​is installed between the trenching system and the covering device. The fertilizer conduit 34 discharges the fertilizer into the opened trench. The covering device gathers the soil blocks splashed during trenching so that the fertilizer is fully mixed with the soil. The fertilizing system is operated by the present invention. The vibration during movement causes the fertilizer in the fertilizer loading bucket 32 ​​to be transported to the fertilizer conduit 34 to realize fertilization. The fertilizer loading bucket 32 ​​is fixedly connected to the platform 33 welded above the arc-shaped steel sheet 14 by bolts. Fertilization can be carried out immediately after trenching to fully mix the soil and fertilizer; the loading platform 6 can be used to temporarily place some sundries, and can be disassembled when not in use to avoid unnecessary obstruction, so as to ensure stable and continuous operation; a mudguard 11 is installed on the tool bracket 12 to prevent the soil brought out by trenching from splashing into the chassis walking system and causing jamming, affecting the working efficiency and appearance.

[0069] The working principle of the present invention is as follows: first, the driving system is turned on, and the driving motor 8 of the second driving system is remotely controlled to control the lifting system of the present invention, so that the ball screw 18 rotates to drive the slide 20 to move up and down, and then drives the trenching system to rise, so that it maintains a certain height from the ground and reaches a safe range for normal driving. Before entering the tea garden for operation, the drive motor 8 of the first drive system is remotely controlled to control the utility model to find a suitable position in the tea ridge, and then the drive motor 8 of the second drive system is controlled to make the lifting system work again. The drive motor 8 drives the screw 18 to rotate, thereby driving the slide 20 to move up and down along the screw 18, so that the trenching system falls smoothly on the ground, and the drive motor 8 of the third drive system is started. The power is transmitted to the trenching tool 16 through the coupling 9 and the tool holder 12, so that the trenching tool 16 mechanically trenches counterclockwise. At the same time, the drive motor 8 of the first drive system is started to make the walking system of the utility model start to move. The fertilizer in the fertilizer loading bucket 32 ​​is discharged into the opened trench through the fertilizer conduit 34 as the walking system moves. The mechanical gripper 40 in the covering device gathers the soil blocks splashed during trenching to complete the fertilization operation process.

[0070] This tea garden trenching and deep fertilizing machine has superior trenching performance, good passing performance, wide applicability, and easy maintenance. It integrates fertilization and trenching, making it suitable for hilly and mountainous areas. The trenching cutter of this utility model can achieve deep trenching over a wide range. The trenching depth can be controlled by a lifting system. At the same time, the fertilization system can smoothly discharge fertilizer from the fertilizer loading bucket into the trench. Both trenching and fertilizing meet agronomic requirements. This utility model has good environmental adaptability, a high degree of automation, and excellent coordination and cooperation between the trenching and fertilization systems.

[0071] Any matters not described in detail herein are well known to those skilled in the art. The present invention is not limited to the above embodiments. The above embodiments and the knowledge described in the specification illustrate the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements shall fall within the scope of the present invention. The scope of protection claimed in the present invention shall be defined by the appended claims and their equivalents.

Claims

1. A new type of tea garden trenching and deep fertilization machine, characterized by: It includes a vehicle body, a lifting system, a trenching system, a first drive system, a second drive system, a third drive system and a fertilizing system, wherein the trenching system includes L-shaped angle steel, square steel, a coupling, a tapered roller bearing, a bearing seat, a tool bracket, a trenching tool, a tool holder and a steel sheet; the vehicle body includes a mounting platform and a crawler chassis; a set of crawler chassis is respectively provided at the front and rear ends of the bottom of the mounting platform; the mounting platform has an upper and lower platform, and the upper platform and the lower platform of the mounting platform are connected by two columns; the first drive system is provided on the lower platform of the mounting platform, and is used for To drive the vehicle body to move, the second drive system has two groups. The two groups of second drive systems are respectively arranged on the front and rear ends of the upper platform of the installation platform, and are used to drive the rise and fall of the lifting system. The lifting system has two groups. One end of the two lifting systems is respectively fixed on the two columns of the installation platform, and the other end is connected to one end of the L-shaped angle steel at one end of the ditching system. The third drive system is fixed on the other end of the L-shaped angle steel at one end of the ditching system. The third drive system is used to provide power to the ditching system. The fertilization system is installed on the upper left end of the ditching system. The knife seat includes an active The driven shaft is perpendicular to the driving shaft, and a first bevel gear is installed at one end of the driving shaft, and the other end passes through the inside of the tool holder and is connected to the tapered roller bearing. A second bevel gear meshing with the first bevel gear is installed on the driven shaft, and a first gear is installed at each end of the driven shaft. A hexagonal hole for the hexagonal shaft to pass through is provided in the middle of the front and rear ends of the tool holder. One end of the two hexagonal shafts is respectively connected to a steel sheet, and the other end is respectively equipped with a second gear meshing with the first gear. Two threaded holes are provided on the front and rear ends of the two steel sheets, and the threaded holes at the front and rear ends are respectively provided. It is distributed crosswise front and back, and the trenching tool is fixed on the four threaded holes of the steel sheet. The first bevel gear is engaged with the second bevel gear to rotate the driven shaft to transmit power to the first gear and the second gear, thereby making the trenching tool complete the rotational motion. The bottom of the tool bracket is fixedly connected to the upper end of the tool holder, the top of the tool bracket is fixedly connected to the lower surface of the bottom of the square steel, the upper surface of the bottom of the square steel is connected to the bearing seat, a tapered roller bearing is nested in the bearing seat, one end of the coupling is fixedly connected to the tapered roller bearing, and the other end is connected to the third drive system, and the top of the square steel is fixedly connected to the L-shaped angle steel.

2. The novel tea garden furrowing and deep fertilizing machine according to claim 1 is characterized in that: One end of each hexagonal shaft is fixedly connected to a steel sheet by a cotter pin. The output end of the coupling is transitionally matched with the hole of the tapered roller bearing through the shaft. A threaded hole is provided on the top of the square steel. The top of the square steel is fixedly connected to the L-shaped angle steel by bolts passing through the threaded hole. The grooving tool is fixedly connected to the four threaded holes on the steel sheet by bolts. The upper end of the tool seat is welded to the lower end of the tool bracket. The top of the tool bracket is fixedly connected to the lower surface of the square steel bottom by four bolts. The upper surface of the square steel bottom is connected to the bearing seat by bolts. The grooving tool is arranged in a V shape.

3. The novel tea garden furrowing and deep fertilizing machine according to claim 1 is characterized in that: The tool holder is in the shape of a hollow long rod. The upper end of the driving shaft passes through the hollow structure of the tool holder and is connected to the tapered roller bearing. A mudguard is also provided on the tool holder. The mudguard is an arc-shaped baffle. A through hole for installing the tool holder is provided in the middle of the arc-shaped baffle. The tool holder is inserted into the through hole of the mudguard, and the arc-shaped opening of the mudguard is set downward and is located at the upper end of the ditching tool.

4. The novel tea garden furrowing and deep fertilizing machine according to claim 1 is characterized in that: The first drive system is a drive motor, the output shaft of the drive motor is connected to the crawler chassis, the drive motor rotates by driving the output shaft, and the output shaft transmits power to the crawler chassis on both sides, thereby driving the vehicle body to move; the second drive system includes a drive motor and a reducer, the output shaft of the drive motor is connected to the input shaft of the reducer, and the output shaft of the reducer is connected to the top of the lifting system; the third drive includes a drive motor and a reducer, the output shaft of the drive motor is connected to the input shaft of the reducer, and the output shaft of the reducer is connected to the input end of the coupling, among which the reducers in the second drive system and the third drive system both use AT280L reducers in the AT0-L reducer series, with a size of L22, and the drive motors in the first drive system, the second drive system and the third drive system all use high-power DC motors of the BLDC8318-150 model.

5. The novel tea garden furrowing and deep fertilizing machine according to claim 4 is characterized in that: The axle up and down groove at two ends embeds respectively in two guide rails up and down of being made up of the groove on the attachment piece, and the tooth on the attachment piece is meshed with tooth on upper sprocket wheel, the lower sprocket.

6. The novel tea garden furrowing and deep fertilizing machine according to claim 5 is characterized in that: Ball bearings are installed in the upper bearing seat and the lower bearing seat, the screw is a ball screw, threaded holes are provided on the extension plate, and the ditching system is fixed to the middle part of the extension plate by locking screws passing through the threaded holes on the extension plate.

7. The novel tea garden furrowing and deep fertilizing machine according to claim 1 is characterized in that: The fertilization system includes a fertilizer loading bucket, a fertilizer conduit, a platform, an arc-shaped steel sheet and a connecting rod. The platform is a tetrahedral platform. The bottom of the platform is welded to the outer surface of the upper end of the arc-shaped steel sheet. The fertilizer loading bucket is fixedly connected to the upper end of the platform by bolts. One end of the fertilizer conduit is installed on the lower side of the fertilizer loading bucket, and the other end is a discharge port. The pipe mouth of the discharge port is directly above the groove. The discharge port of the fertilizer conduit is also provided with an adjusting inclined plate that can control the opening and closing of the fertilizer. The fertilizer is stored in the fertilizer loading bucket. One end of the arc-shaped steel sheet is fixedly installed on one end of the connecting rod by bolts, and the other end of the connecting rod is fixed to the left side of the square steel of the trenching system by bolts. The fertilizer is discharged into the opened trench through the vibration of the body during movement.

8. The novel tea garden furrowing and deep fertilizing machine according to claim 4 is characterized in that: The crawler chassis includes a crawler driving wheel, a driven wheel, a support wheel and a crawler. The crawler is fixed as a whole on the front and rear ends of the bottom of the mounting platform. The crawler driving wheel, the driven wheel and the support wheel are all installed inside the crawler, and each crawler is respectively provided with two crawler driving wheels, two driven wheels and a support wheel. The support wheel is located in the middle of the crawler. From the middle of the support wheel to the left and right ends, there is a driven wheel and a crawler driving wheel distributed outward in sequence. The crawler chassis is connected to the output shaft of the drive motor of the first drive system through the crawler driving wheel.

9. The novel tea garden furrowing and deep fertilizing machine according to claim 7 is characterized in that: The cam is secured to the chassis by a lever, and the lever is secured to the chassis by a lever which is secured to the chassis by a lever which is secured to the chassis by a lever which is secured to the chassis by a lever which is secured to the chassis by a lever.

10. The novel tea garden furrowing and deep fertilizing machine according to claim 1 is characterized in that: It also includes a loading platform, which is detachably connected to the mounting platform. The loading platform is an L-shaped plate, one end of the L-shaped plate is connected to the right end of the upper platform of the mounting platform, and the other end is connected to the upper right end of the lower platform of the mounting platform. After the loading platform and the mounting platform are connected, they form a rectangular frame.