A soil conditioning device for preventing degradation of turf soil
By introducing a cleaning structure and gas flow guidance design into the soil loosening device, the problem of dust intrusion caused by the loosening shovel is solved, protecting the transmission device, extending its service life and improving operating efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- INSTITUTE OF GRASSLAND RESEARCH OF CAAS
- Filing Date
- 2025-04-23
- Publication Date
- 2026-07-24
AI Technical Summary
In existing soil loosening devices, soil splashes when the loosening shovel enters the soil, and soil enters along the connection between the rotating shaft and the transmission structure, causing component wear, reduced transmission efficiency, and equipment failure.
A soil conditioning device was designed, comprising a support frame, suspension device, side plate, mud baffle plate, transmission device, rotating shaft and loosening shovel. It adopts a cleaning structure (including support sleeve, partition sleeve, inclined plate, arc tube and flow baffle tube) and components such as sealing gasket, venturi tube, and filter screen to prevent dust from entering the rotating shaft and transmission structure. The transmission device is protected by gas flow guidance and filtration.
It effectively prevents dust from entering the shaft and transmission device, reduces wear and failure risk, extends the life of mechanical parts, ensures stable operation of the transmission device, reduces energy loss, and improves operating efficiency.
Smart Images

Figure CN120153785B_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of agricultural technology, and in particular relates to a soil conditioning device for preventing grassland soil degradation. Background Technology
[0002] Grassland soil degradation generally refers to the deterioration of soil physical properties (such as structure and texture), chemical properties (such as nutrient status), and biological properties (such as the number and diversity of microorganisms). This degradation can seriously affect the ecological function and agricultural productivity of grasslands. Common causes of degradation include overgrazing, soil erosion, soil salinization, acidification, pollution, and climate change.
[0003] Existing soil conditioning devices and technologies mainly include physical, chemical and biological methods. For example, physical methods include deep plowing, loosening the soil, rational irrigation to conserve water, and constructing ground cover layers, which aim to improve soil structure and increase soil water retention and aeration capacity.
[0004] Chemical methods: Use soil conditioners, such as organic fertilizers, inorganic fertilizers, and soil conditioners, to provide nutrients to the soil and improve its physical and chemical properties;
[0005] Biological methods include planting suitable plants for soil stabilization and slope protection, absorbing and fixing harmful substances in the soil through plants, or applying microbial fertilizers to improve soil microbial activity and biodiversity, thereby improving soil quality.
[0006] The process of loosening soil requires the use of a cultivator. The cultivator's loosening shovel is driven by a rotating shaft. Since the rotating shaft and the transmission structure are connected, there are small gaps. As the loosening shovel enters the soil, soil splashes everywhere. The splashed soil enters the transmission structure along the connection between the rotating shaft and the transmission structure, causing problems such as wear and tear on the transmission components, reduced transmission efficiency, and equipment failure due to dirt accumulation inside the transmission structure. Summary of the Invention
[0007] This invention addresses the problem in existing technologies where soil splashing occurs when the loosening shovel enters the soil. This splashed soil then travels along the connection between the rotating shaft and the transmission structure, entering the transmission structure and causing wear and tear on components, reduced transmission efficiency, and equipment malfunction due to dirt buildup. The invention proposes the following technical solution:
[0008] A soil conditioning device for preventing grassland soil degradation includes:
[0009] Support frame: Supports the entire machine, ensuring stability and durability;
[0010] Suspension device: Mounted on top of the support frame, used to connect the device to a tractor or other power equipment for easy movement and operation in the field;
[0011] Side plate: Installed on one side of the support frame to limit the soil;
[0012] Mud baffle: It is movably installed at one end of the support frame and is used to smooth the soil surface after loosening.
[0013] Transmission system: includes gearbox, drive shaft and commutator, used to transmit power from tractor to soil loosening components;
[0014] Shaft: A snap-fit device installed inside the transmission mechanism for connecting other components;
[0015] Loosening shovel: It is snapped onto the outside of the rotating shaft and used to loosen the soil;
[0016] The cleaning structure includes a support sleeve, a partition sleeve, an inclined plate, an arc-shaped tube, and a flow-blocking tube. The support sleeve is snapped into the inside of the rotating shaft to support the rotating shaft. The partition sleeve is fixedly installed at one end of the support sleeve to divert the gas. The inclined plate is fixedly installed inside the partition sleeve. Multiple arc-shaped tubes are fixedly installed outside the partition sleeve and work together with the inclined plate to guide the gas flow.
[0017] As a preferred embodiment of the above technical solution, a support member is fixedly installed on one end face of the side plate, and snap-fit sleeves are installed on both sides of the support member and the transmission device. The snap-fit sleeves are fixedly connected to both end faces of the transmission device. A bearing is snap-fitted onto the outer side of the snap-fit sleeve on the support member. The rotating shaft is snapped between the outer side of the bearing and the snap-fit sleeve on the transmission device. The commutator is fixedly installed on the top of the support frame. A drive shaft is fixedly installed on one end of the commutator. A gearbox is installed at the bottom of the support frame. The gearbox is composed of a worm and a turbine, wherein the worm is fixedly installed at the bottom of the commutator, the turbine is rotatably connected inside the gearbox, and the snap-fit sleeve is fixedly installed on the outer side of the turbine.
[0018] As a preferred embodiment of the above technical solution, the snap-fit sleeve has an air outlet groove inside, and a sealing gasket is snapped onto the outside of the support and transmission device at the bottom end of the air outlet groove, and the sealing gasket is attached to one end face of the rotating shaft.
[0019] As a preferred embodiment of the above technical solution, a Venturi tube is snapped into the middle of the support sleeve, and a plurality of support rods are integrally formed on one end face of the Venturi tube and fixedly connected to the partition sleeve.
[0020] As a preferred embodiment of the above technical solution, a snap-fit ring is snapped into the middle of one end face of the separator sleeve, a filter screen is fixedly installed on one end face of the snap-fit ring, and an anti-slip groove is provided on the outer side of the snap-fit ring, with a friction pad provided inside the anti-slip groove.
[0021] As a preferred embodiment of the above technical solution, a support strip is welded inside the support sleeve, and a fan blade is rotatably connected inside the support strip in the direction of the Venturi tube's outlet. A converging pipe is welded inside the support sleeve in the direction of the Venturi tube's outlet, and the outlet end of the converging pipe is located inside the inlet end of the choke pipe.
[0022] As a preferred embodiment of the above technical solution, a fixing ring is welded to the outside of the flow-blocking tube, and spring rods are equidistantly snapped onto one end face of the fixing ring. The same aluminum disc is snapped onto one end face of multiple spring rods, and a sealing plug is fixedly installed on one end face of the aluminum disc. The sealing plug is slidably connected to the air outlet port of the flow-blocking tube.
[0023] As a preferred embodiment of the above technical solution, an aluminum column is integrally formed on one end face of the aluminum disc, and the aluminum column penetrates the sealing plug and is located inside the converging tube.
[0024] As a preferred embodiment of the above technical solution, the turbine inside the gearbox is connected to the snap-fit sleeve by a key, and the worm and the turbine mesh with each other.
[0025] The beneficial effects of this invention are as follows:
[0026] (1) The device effectively prevents dust from entering the shaft and support components through a dual protection design, reducing wear and failure risks and extending the service life of mechanical parts. At the same time, it prevents dust from entering the connection between the shaft and the transmission device, protecting key components, ensuring stable operation of the transmission device, and improving overall reliability and durability.
[0027] (2) This device effectively reduces the temperature of the transmission device by optimizing the heat dissipation structure, avoiding problems such as lubrication failure and component expansion caused by high temperature, thereby preventing overheating. Stable operating temperature helps the transmission components maintain efficient power transmission, reduces energy loss, and thus improves operating efficiency. At the same time, lower temperature can slow down material aging and wear, extend the service life of the transmission device, reduce maintenance costs, and ensure long-term stable operation of the equipment. Attached Figure Description
[0028] Figure 1 The diagram shown is a structural schematic of a soil regulation device for preventing grassland soil degradation in Example 1.
[0029] Figure 2 The image shown is a front view of a soil conditioning device for preventing grassland soil degradation according to Embodiment 1;
[0030] Figure 3 The diagram shown is a schematic of the installation structure of the loosening shovel in Example 1;
[0031] Figure 4 The diagram shown is a cross-sectional view of the shaft in Embodiment 1;
[0032] Figure 5 The diagram shown is a schematic diagram of the installation structure of the separator sleeve in Embodiment 1;
[0033] Figure 6 The diagram shown is a cross-sectional view of the support sleeve in Embodiment 1.
[0034] In the diagram: 1. Support frame; 2. Suspension device; 3. Side plate; 4. Mud baffle plate; 5. Transmission device; 6. Shaft; 7. Loosening shovel; 8. Support component; 9. Air outlet groove; 10. Sealing gasket; 11. Snap-fit sleeve; 12. Bearing; 13. Support sleeve; 14. Venturi tube; 15. Support rod; 16. Separator sleeve; 17. Arc-shaped tube; 18. Inclined plate; 19. Snap-fit ring; 20. Filter screen; 21. Support bar; 22. Fan blade; 23. Converging pipe; 24. Flow-blocking pipe; 25. Fixing ring; 26. Spring rod; 27. Aluminum disc; 28. Sealing plug; 29. Aluminum column. Detailed Implementation
[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.
[0036] Example 1: This invention provides a soil conditioning device to prevent grassland soil degradation, such as... Figures 1 to 6 As shown, it includes: support frame 1: supporting the entire machine to ensure stability and durability;
[0037] Suspension device 2: Installed on the top of support frame 1, used to connect the device to a tractor or other power equipment for easy movement and operation in the field;
[0038] Side plate 3: Installed on one side of support frame 1, used to limit the soil;
[0039] Mud baffle 4: It is movably installed at one end of the support frame 1 and is used to smooth the soil surface after loosening.
[0040] Transmission device 5: includes a gearbox, drive shaft and commutator, used to transmit power from the tractor to the soil loosening component;
[0041] Rotating shaft 6: It is snap-fitted into the inside of the transmission device 5 and used to connect other components;
[0042] Loosening shovel 7: It is snapped onto the outside of the rotating shaft 6 and used to loosen the soil;
[0043] The cleaning structure includes a support sleeve 13, a partition sleeve 16, an inclined plate 18, an arc-shaped tube 17, and a flow-blocking tube 24. The support sleeve 13 is snapped into the inside of the rotating shaft 6 to support the rotating shaft 6. The partition sleeve 16 is fixedly installed at one end of the support sleeve 13. The partition sleeve 16 is hook-shaped and is used to divert gas. The inclined plate 18 is fixedly installed inside the partition sleeve 16. Multiple arc-shaped tubes 17 are fixedly installed outside the partition sleeve 16 and work together with the inclined plate 18 to guide the gas flow.
[0044] During use, the rotation of the shaft 6 drives the inclined plate 18 and the arc-shaped tube 17 to rotate synchronously. At this time, the inclined plate 18 and the arc-shaped tube 17 work together to guide the gas flow, causing the gas to enter the interior of the shaft 6. In this process, the gas moves along the outer and inner sides of the partition sleeve 16 respectively. The gas moving on the inner side enters the outer side of the flow-blocking tube 24, and enters the connection between the shaft 6 and the transmission device 5 and the support member 8 on the outer side of the side plate 3 under the action of the flow-blocking tube 24 and the partition sleeve 16. This allows the gas to flow from the inside to the outside, preventing external dust from entering the connection between the shaft 6 and the transmission device 5 and the support member 8 on the outer side of the side plate 3.
[0045] like Figure 1 and Figure 2 As shown, a support member 8 is fixedly installed on one end face of the side plate 3. A snap-fit sleeve 11 is installed on both sides of the support member 8 and the transmission device 5. The snap-fit sleeve 11 is fixedly connected to both end faces of the transmission device 5. A bearing 12 is snap-fitted onto the outer side of the snap-fit sleeve 11 on the support member 8. The rotating shaft 6 is snap-fitted between the outer side of the bearing 12 and the snap-fit sleeve 11 on the transmission device 5. The commutator is fixedly installed on the top of the support frame 1. A drive shaft is fixedly installed on one end of the commutator. A gearbox is installed at the bottom of the support frame 1. The gearbox is composed of a worm and a worm gear. The worm gear is fixedly installed at the bottom of the commutator, and the worm gear is rotatably connected inside the gearbox. The snap-fit sleeve 11 is fixedly installed on the outer side of the worm gear. The worm gear inside the gearbox is connected to the snap-fit sleeve 11 by a key. The worm gear and the worm gear mesh with each other for the rotation of the worm gear, thus changing the difficulty of rotating the worm gear.
[0046] When the commutator is running, it drives the worm to rotate. The rotation of the worm further drives the worm gear meshing with it to rotate synchronously. Since the snap-fit sleeve 11 is fixedly installed on the outside of the worm gear, the rotation of the worm gear will directly drive the snap-fit sleeve 11 to rotate together. The rotation of the snap-fit sleeve 11 will then drive the rotating shaft 6 installed on it to rotate synchronously. During the rotation of the rotating shaft 6, it will drive the bearing 12 snapped and installed on the outside of the snap-fit sleeve 11 on the support member 8 to run synchronously. Through the synergistic effect of the above structure and transmission method, the difficulty of the rotating shaft 6 during the rotation process has been changed.
[0047] like Figure 3 and Figure 4As shown, the snap-fit sleeve 11 has an air outlet groove 9 inside. The support member 8 and the transmission device 5 are snapped together at the bottom of the air outlet groove 9. The end of the air outlet groove 9 away from the sealing gasket 10 is inclined. The sealing gasket 10 is attached to one end face of the rotating shaft 6.
[0048] At this time, two streams of gas flow outward through the outer side of the partition sleeve 16 and the flow-blocking tube 24. During the flow, the two streams of gas enter the outer side of the rotating shaft 6 and the support member 8 and the rotating shaft 6 and the transmission device 5 respectively along the gas outlet groove 9. Due to the inclined state of the gas outlet groove 9, the gas flows outward and is compressed into a ring shape on the outer side of the rotating shaft 6 and the support member 8 or the rotating shaft 6 and the transmission device 5, and finally flows outward, preventing external dust from entering the interior of the rotating shaft 6 and the support member 8 or the rotating shaft 6 and the transmission device 5, thus ensuring internal cleanliness.
[0049] like Figure 4 and Figure 6 As shown, a Venturi tube 14 is snapped into the middle of the support sleeve 13, and a plurality of support rods 15 are integrally formed on one end face of the Venturi tube 14 and are fixedly connected to the partition sleeve 16.
[0050] The support rod 15 fixes the venturi tube 14 and the separator sleeve 16, and the venturi tube 14 accelerates the gas, thus changing the difficulty of gas acceleration.
[0051] like Figure 1 and Figure 2 As shown, a snap-fit ring 19 is snapped into the middle of one end face of the separator sleeve 16, and a filter screen 20 is fixedly installed on one end face of the snap-fit ring 19. An anti-slip groove is provided on the outer side of the snap-fit ring 19, and a friction pad is provided inside the protective groove.
[0052] The friction pad and protective groove are used to lock the partition sleeve 16 and the snap ring 19 together, preventing them from separating. The filter screen 20 also prevents dust from entering simultaneously with external gas.
[0053] like Figure 4 and Figure 6 As shown, a support strip 21 is welded inside the support sleeve 13. A fan blade 22 is rotatably connected inside the support strip 21 in the direction of the air outlet of the venturi tube 14. A converging pipe 23 is welded inside the support sleeve 13 in the direction of the air outlet of the venturi tube 14. The air outlet end of the converging pipe 23 is located inside the air inlet end of the flow-blocking pipe 24.
[0054] The support bar 21 is used to position the fan blade 22, which changes the difficulty of positioning the fan blade 22. At the same time, the gas accelerated by the venturi tube 14 is blown to the outside of the fan blade 22. When the air flows, it will pass over the surface of the fan blade 22. According to Bernoulli's principle, the pressure will decrease where the fluid velocity increases. This makes the air velocity on the upper surface of the fan blade 22 greater than that on the lower surface, thus generating a lower pressure on the upper surface and a higher pressure on the lower surface. This pressure difference will form an upward lift force, which will drive the fan blade 22 to rotate. When the fan blade 22 rotates, it will further accelerate the flow velocity, which changes the difficulty of increasing the gas flow velocity.
[0055] like Figure 4 and Figure 6 As shown, a fixing ring 25 is welded to the outside of the flow-blocking tube 24. Spring rods 26 are equidistantly snapped onto one end face of the fixing ring 25. The same aluminum disc 27 is snapped onto one end face of multiple spring rods 26. A sealing plug 28 is fixedly installed on one end face of the aluminum disc 27. The sealing plug 28 is slidably connected to the air outlet port of the flow-blocking tube 24. An aluminum column 29 is integrally formed on one end face of the aluminum disc 27. The aluminum column 29 penetrates the sealing plug 28 and is located inside the converging tube 23.
[0056] The rapidly flowing gas blows onto the outside of the sealing plug 28, thereby pushing the sealing plug 28 to move. When the sealing plug 28 moves, it drives the aluminum disc 27 to move. When the aluminum disc 27 moves, it drives the spring rod 26 to stretch, which changes the stretching difficulty of the spring rod 26 and reduces the distance between the aluminum disc 27 and the turbine. Thus, the heat absorption property of the aluminum disc 27 is used to absorb the heat generated during turbine operation. The heat absorbed by the aluminum disc 27 enters the interior of the aluminum column 29 and enters the interior of the converging pipe 23 along the aluminum column 29. At this time, the gas flow on the outside blows onto the outside of the aluminum column 29, thereby carrying away the heat and further reducing the operating temperature of the transmission device 5.
[0057] Working principle: In actual use, the device connects the support frame 1 to the tractor via the suspension device 2. At this time, the transmission device 5 transmits power from the tractor to the rotating shaft 6. Then, the transmission device 5 drives the rotating shaft 6 to rotate, which in turn drives the loosening shovel 7 to rotate. This drives the support frame 1 to slowly enter the soil, so that the bottom of the side plate 3 is in contact with the top of the soil. During this process, the side plate 3 can enter the soil, ensuring that the filter screen 20 is above the soil. At the same time, the loosening shovel 7 enters the soil. During the loosening process, the loosening shovel 7 causes dust to splash inside the support frame 1. The mudguard 4 smooths out the splashed soil. The connection between the suspension device 2 and the tractor ensures stable operation of the device. The transmission device 5 transmits power to the rotating shaft 6, which drives the loosening shovel 7 to rotate, thus loosening the soil. The side plate 3 is in contact with the soil, ensuring that the filter screen 20 is in the correct position. The mudguard 4 smooths out the splashed soil, reduces dust, and protects the environment.
[0058] As the rotating shaft 6 rotates, it drives the inclined plate 18 and the arc-shaped tube 17 to rotate synchronously. At this time, the inclined plate 18 and the arc-shaped tube 17 work together to guide the gas flow. The gas flows and is filtered by the filter screen 20. The gas guided by the arc-shaped tube 17 enters the outside of the partition sleeve 16 and enters the connection between the rotating shaft 6 and the support member 8 along the outside of the partition sleeve 16. At this time, it enters the outside of the rotating shaft 6 and the support member 8 through the air outlet groove 9. At this time, due to the inclined state of the air outlet groove 9, the gas flows outward and is compressed into a ring shape on the outside of the rotating shaft 6 and the support member 8, and finally flows outward. This prevents external dust from entering the inside of the rotating shaft 6 and the support member 8, ensuring internal cleanliness. The gas flows on the outside of the partition sleeve 16 and forms a ring-shaped airflow through the air outlet groove 9. Some of the gas enters the inside of the venturi tube 14 along the partition sleeve 16. Meanwhile, the gas in the middle enters the Venturi tube 14 directly along the inclined plate 18. Under the action of the Venturi tube 14, the gas is accelerated, changing the difficulty of gas acceleration. The accelerated gas blows to the outside of the fan blade 22. When the wind flows, it passes over the surface of the fan blade 22. According to Bernoulli's principle, the flow rate is further accelerated. The accelerated gas enters the baffle tube 24 and enters the outside of the shaft 6 and the transmission device 5 under the action of the baffle tube 24. This allows the gas to flow from the inside to the outside, preventing external dust from entering the connection between the shaft 6 and the transmission device 5. This effectively prevents dust from entering the shaft 6 and the support 8, protecting the mechanical parts and extending their service life. At the same time, it effectively prevents dust from entering the connection between the shaft 6 and the transmission device 5, protecting key components and ensuring the normal operation of the transmission device 5.
[0059] Simultaneously, the rapidly flowing gas blows onto the outside of the sealing plug 28, thereby pushing the sealing plug 28 to move. When the sealing plug 28 moves, it drives the aluminum disc 27 to move as well. When the aluminum disc 27 moves, it drives the spring rod 26 to stretch, which changes the stretching difficulty of the spring rod 26 and reduces the distance between the aluminum disc 27 and the turbine. This allows the aluminum disc 27 to absorb the heat generated during turbine operation by utilizing its heat absorption properties. The heat absorbed by the aluminum disc 27 enters the interior of the aluminum column 29 and then flows along the aluminum column 29 into the converging pipe 23. At this time, the gas flow on the outside blows onto the outside of the aluminum column 29, thereby carrying away the heat and further reducing the operating temperature of the transmission device 5. This effectively reduces the temperature of the transmission device 5, prevents overheating, and improves the operating efficiency and service life of the transmission device 5.
[0060] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it.
Claims
1. A soil conditioning device for preventing grassland soil degradation, characterized in that, include: Support frame (1); Suspension device (2): installed at the top of the support frame (1); Side plate (3): Installed on one side of the support frame (1) to limit the soil; Mud barrier (4): Movably installed at one end of the support frame (1) to smooth the soil surface after loosening; Transmission device (5): includes gearbox, drive shaft and commutator, used to transmit power from tractor to soil loosening component; Rotary shaft (6): It is snap-fitted into the inside of the transmission device (5) and used to connect other components; Loosening shovel (7): It is snapped onto the outside of the rotating shaft (6) and used to loosen the soil; The cleaning structure includes a support sleeve (13), a partition sleeve (16), an inclined plate (18), an arc-shaped tube (17), and a flow-blocking tube (24). The support sleeve (13) is snapped into the inside of the rotating shaft (6) to support the rotating shaft (6). The partition sleeve (16) is fixedly installed at one end of the support sleeve (13) to divert the gas. The inclined plate (18) is fixedly installed inside the partition sleeve (16). Multiple arc-shaped tubes (17) are fixedly installed outside the partition sleeve (16) and work together with the inclined plate (18) to guide the gas flow. A support member (8) is fixedly installed on one end face of the side plate (3). Both the support member (8) and the transmission device (5) are equipped with snap-fit sleeves (11). The snap-fit sleeves (11) are fixedly connected to both end faces of the transmission device (5). A bearing (12) is snap-fitted on the outside of the snap-fit sleeves (11) on the support member (8). The rotating shaft (6) is snap-fitted between the outside of the bearing (12) and the snap-fit sleeves (11) on the transmission device (5). The snap-fit sleeve (11) has an air outlet groove (9) inside. The support member (8) and the transmission device (5) are snapped with a sealing gasket (10) at the bottom of the air outlet groove (9). The sealing gasket (10) is attached to one end face of the rotating shaft (6). The support sleeve (13) is fitted with a Venturi tube (14) in the middle. One end face of the Venturi tube (14) is integrally formed with multiple support rods (15) that are fixedly connected to the partition sleeve (16). The support sleeve (13) has a support strip (21) welded inside. The support strip (21) is rotatably connected to a fan blade (22) in the direction of the venturi tube (14). The support sleeve (13) has a converging pipe (23) welded inside in the direction of the venturi tube (14). The outlet end of the converging pipe (23) is located inside the inlet end of the flow-blocking pipe (24).
2. The soil conditioning device for preventing grassland soil degradation according to claim 1, characterized in that, The commutator is fixedly installed on the top of the support frame (1). A drive shaft is fixedly installed on one end of the commutator. A gearbox is installed at the bottom of the support frame (1). The gearbox is composed of a worm and a worm wheel. The worm is fixedly installed at the bottom of the commutator. The worm wheel is rotatably connected inside the gearbox. The snap-fit sleeve (11) is fixedly installed on the outside of the worm wheel.
3. The soil conditioning device for preventing grassland soil degradation according to claim 1, characterized in that, A snap-fit ring (19) is snapped into the middle of one end face of the separator sleeve (16), and a filter screen (20) is fixedly installed on one end face of the snap-fit ring (19). An anti-slip groove is provided on the outer side of the snap-fit ring (19), and a friction pad is provided inside the anti-slip groove.
4. The soil conditioning device for preventing grassland soil degradation according to claim 1, characterized in that, A fixing ring (25) is welded to the outside of the flow-blocking tube (24). A spring rod (26) is equidistantly clamped to one end face of the fixing ring (25). The same aluminum disc (27) is clamped between the end faces of multiple spring rods (26). A sealing plug (28) is fixedly installed on one end face of the aluminum disc (27). The sealing plug (28) is slidably connected to the air outlet port of the flow-blocking tube (24).
5. The soil conditioning device for preventing grassland soil degradation according to claim 4, characterized in that, The aluminum disc (27) has an aluminum column (29) integrally formed on one end face. The aluminum column (29) penetrates the sealing plug (28) and is located inside the converging pipe (23).
6. The soil conditioning device for preventing grassland soil degradation according to claim 2, characterized in that, The worm gear inside the gearbox is connected to the snap sleeve (11) by a key, and the worm and the worm gear mesh with each other.
Citation Information
Patent Citations
Soil loosening machine applied to forestry tree planting
CN116267051A
Dust falling device applied to rotary cultivator
CN118715893A