Anti-winding and anti-sideslip fertilization banking machine

Abstract

The invention discloses an anti-winding and anti-sideslip fertilization banking machine which solves the problems that an existing sugarcane fertilization banking machine is prone to being wound by weeds or sugarcane leaves, prone to sideslip and the like, and mechanical continuous operation is affected. The anti-winding and anti-sideslip fertilizing and banking machine comprises a rack, a fertilizing device, a banking device and a depth limiting cutting disc, wherein the depth limiting cutting disc comprises a cutting disc and a depth limiting ring arranged on one side of the cutting disc. The depth limiting cutting disc is arranged in front of the hilling device and used for cutting off weeds between sugarcane rows, the weeds are prevented from winding the hilling device, and the hilling efficiency can be improved; meanwhile, the depth limiting ring is arranged on one side of the cutting disc, the soil penetrating depth of the cutting disc and the fertilizing device can be limited, quantitative ridging can be achieved, in addition, when an operation plot of a hilly slope is met, the depth limiting ring is matched with the cutting disc, sideslip is not likely to happen, and continuous mechanical operation is facilitated; and the hilling amount can be adjusted by adjusting the mounting position of the depth-limiting cutting disc, so that the hilling requirements of crops in different growth periods are better met.

Description

Technical Field

[0001] The invention belongs to the technical field of intertillage fertilization and soil-raising combined equipment, and in particular relates to an anti-winding and anti-sideslip fertilization and soil-raising machine. Background Art

[0002] Sugarcane intertillage, fertilization and soil management is an indispensable management measure in the sugarcane planting process. Sugarcane intertillage, fertilization and soil management can improve the soil environment, promote the growth of sugarcane roots, promote sugarcane tillering, and improve the sugarcane's resistance to lodging. It is beneficial to the growth of sugarcane and the accumulation of sugar, and is of great significance to improving the yield and quality of sugarcane.

[0003] At present, the management of sugarcane inter-tillage, fertilization and soil-raising has gradually been mechanized. The patent "A directional and quantitative sugarcane fertilization and soil-raising machine" (CN116602080A) applied by the inventor team in the early stage can realize directional and quantitative soil-raising and quantitative and uniform fertilization by improving the fertilization device and soil-raising device of the sugarcane fertilization and soil-raising machine, and matching the depth-limiting wheel; wherein, quantitative soil-raising is realized by adjusting the depth-limiting wheel to change the penetration depth of the soil-raising knife, and the soil-raising knife forms a certain angle with the rotating shaft to move the soil along the soil-raising rotating shaft horizontally to realize directional soil-raising. Although the sugarcane fertilization and soil-raising machine can improve the management accuracy and improve the yield and quality of sugarcane. However, in actual use, some sugarcane fields have more and longer weeds or sugarcane leaves, which are easily entangled in the soil-raising plow and rotary tillage knife of the soil-raising device, affecting the mechanical operation. At the same time, there are also many sugarcanes planted on hilly slopes. When the soil-raising machine is operating on some sloped plots, it will slide sideways and press the sugarcane, affecting the growth of sugarcane. Therefore, it is necessary to further improve the sugarcane fertilization and soil-raising machine so that it can better meet the needs of field operations. Summary of the invention

[0004] The purpose of the present invention is to provide a fertilizing and earthing machine that is anti-entanglement and anti-side sliding, so as to overcome the problems of existing sugarcane fertilizing and earthing machines that are easily entangled by weeds and easy to side slide, which affect the operation of the machine, and better meet the needs of field operations.

[0005] The specific technical solutions are as follows:

[0006] A fertilizing and soil-raising machine with anti-winding and anti-sideslip function comprises a frame, a fertilizing device, a soil-raising device and a depth-limiting cutting disc, wherein the fertilizing device is arranged above the frame, the soil-raising device is arranged below the frame, and the depth-limiting cutting disc is arranged below the frame and in front of the soil-raising device, and can rotate relative to the frame; the depth-limiting cutting disc comprises a disc knife and a depth-limiting ring, the disc knife is connected to the frame via a bearing and a connecting plate, the diameter of the depth-limiting ring is smaller than the diameter of the disc knife, and the depth-limiting ring is coaxially arranged with the disc knife and fixed to one side of the disc knife.

[0007] Preferably, there are at least three depth-limiting cutting disks, which are respectively installed on the connecting shaft through bearing intervals, and the two ends of the connecting shaft are respectively connected to the connecting plate. The other end of the connecting plate is provided with multiple screw holes, and the connecting plate is detachably connected to the frame through bolts.

[0008] Preferably, the depth limiting cutting disk includes a first depth limiting cutting disk, a second depth limiting cutting disk and a third depth limiting cutting disk which are arranged in sequence and at intervals, and the depth limiting rings of the first depth limiting cutting disk and the third depth limiting cutting disk are arranged on a side close to the second depth limiting cutting disk, and the second depth limiting cutting disk is provided with a depth limiting ring on one side with a greater depth limiting cutting disk spacing than the depth limiting cutting disk spacing on the other side.

[0009] Preferably, the distance between the depth-limiting cutting discs is greater than 15 cm.

[0010] Preferably, the diameter of the disc knife is 50-60 cm.

[0011] Preferably, the distance between the depth limiting ring and the edge of the disc cutter is 5-7 cm.

[0012] Preferably, the depth limiting ring extends out of the disc cutter to a width of 5-6 cm.

[0013] Preferably, a scraper plate is further provided above the depth limiting ring, the lower end of the scraper plate abuts against the depth limiting ring, one side of the scraper plate abuts against the disc knife, and the upper end of the scraper plate is fixed to the frame.

[0014] Preferably, the fertilizing device comprises: a fertilizer box, a fertilizer discharge chamber, a fertilizer discharge shaft driven by a hydraulic motor, a fertilizer receiving bucket and a fertilizer pipe, wherein the upper portion of one end of the fertilizer discharge chamber is provided with a fertilizer inlet connected to the fertilizer box, and the lower portion of the other end is provided with a fertilizer discharge port connected to the fertilizer receiving bucket, and the other end of the fertilizer receiving bucket is connected to the fertilizing pipe; the fertilizer discharge shaft is arranged in the fertilizer discharge chamber, and one end of the fertilizer discharge shaft passes through the end of the fertilizer discharge chamber and is transmission-connected to the hydraulic motor, and the other end of the fertilizer discharge shaft is fixed to the other end of the fertilizer discharge chamber through a bearing; a spiral blade is arranged on the fertilizer discharge shaft, and the tip of the spiral blade extends to the fertilizer discharge port, and a scraper is also arranged between the tip of the spiral blade and the end of the fertilizer discharge chamber, and the extension direction of the scraper is parallel to or at an acute angle to the axis of the fertilizer discharge shaft;

[0015] The ridging device comprises: a driving device, a ridging shaft, a ridging knife, a curved baffle, a ridging plate and a ridging plow, wherein the driving device is connected to the middle part of the ridging shaft and drives the ridging shaft to rotate; the ridging knife is arranged in a spiral shape along the axial direction of the ridging shaft, and the installation direction of the ridging knife forms an angle of 10-20° with the end face of the ridging shaft; the curved baffle is provided between the ridging shaft and the frame, and the ridging plates are respectively provided at both ends of the curved baffle, the ridging plate is in a transverse trumpet shape with a notch, and the opening close to one end of the curved baffle is smaller than the opening at the other end, and the ridging plow is provided in front of the middle part of the ridging shaft.

[0016] Preferably, the fertilizing device, the soil-raising device and the depth-limiting cutting disc are respectively provided in two groups; the hydraulic motor of the fertilizing device is arranged between the two fertilizer discharge chambers and is connected to the two fertilizer discharge shafts through a transmission device; the driving device of the soil-raising device is arranged above the frame, and the two ends of the driving device are connected to the soil-raising rotating shaft through gears; the depth-limiting cutting discs are respectively arranged in front of the two groups of soil-raising devices, each group has three depth-limiting cutting discs, and the depth-limiting cutting disc in the middle of each group is directly opposite to the soil-raising plow of the soil-raising device front and back.

[0017] Compared with the existing technology, the present invention has the following beneficial effects:

[0018] 1. The present invention provides a depth-limiting cutting disk in front of a soil-raising device, wherein the depth-limiting cutting disk is composed of a disc knife and a depth-limiting ring. When the fertilizer-raising machine is driven by a power device such as a tractor to move and operate, the disc knife rotates with the movement of the fertilizer-raising machine to cut off weeds and sugarcane leaves between sugarcane rows, thereby preventing weeds from winding around the soil-raising rotating shaft of the soil-raising device, which is beneficial to improving soil-raising efficiency. Meanwhile, a depth-limiting ring is provided on one side of the disc knife to limit the soil-entering depth of the disc knife and the fertilizing device, which is beneficial to achieving quantitative soil-raising. Meanwhile, when encountering an uneven working plot, the depth-limiting ring cooperates with the disc knife, and side slip is not likely to occur, which is beneficial to continuous operation.

[0019] 2. Each set of the soil-raising device of the present invention can be equipped with three depth-limiting cutting discs, which is conducive to cutting weeds into grass segments smaller than the diameter of the soil-raising shaft of the soil-raising device, which is conducive to subsequent soil-raising operations. At the same time, the width of the depth-limiting ring in each depth-limiting cutting disc extending outside the disc knife can be reduced. The depth-limiting support function is met by multiple depth-limiting rings, which can reduce the force of a single disc knife. The depth-limiting cutting disc is only provided with a depth-limiting ring on one side of the disc knife. Compared with providing depth-limiting rings on both sides of the disc knife, the depth-limiting cutting disc has less resistance and is easier to process and install.

[0020] 3. The middle part of the ridging shaft of the ridging device of the present invention is drivingly connected to the driving device, and ridging knives with an angle of 10-20° with the end surface of the ridging shaft are respectively arranged on both sides, so that two rows of crops can be ridged at the same time. At the same time, a ridging plow is arranged in front of the middle part of the ridging shaft, and a depth-limiting cutting disk is arranged in front of the ridging plow, which can prevent weeds from entangled with the ridging plow and the ridging shaft, which is conducive to continuous operation. At the same time, the setting of the depth-limiting cutting disk can also reduce the resistance of the ridging plow to enter the soil, which is conducive to improving the ridging efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0022] Figure 1 It is a structural schematic diagram of a fertilizing and soil-raising machine of the present invention.

[0023] Figure 2 It is a structural schematic diagram of a fertilizing device of the present invention.

[0024] Figure 3 It is a structural schematic diagram of the soil-raising device of the present invention.

[0025] Figure 4 It is a schematic structural diagram of three depth-limiting cutting discs of the present invention.

[0026] Figure 5 It is a schematic diagram of the planar structure of a single depth-limiting cutting disc of the present invention.

[0027] Description of main reference numerals:

[0028] 1. Frame; 2. Fertilizer application device; 21. Fertilizer box; 22. Fertilizer discharge chamber; 221. Fertilizer inlet; 222. Fertilizer discharge outlet; 23. Hydraulic motor; 24. Fertilizer discharge shaft; 25. Fertilizer receiving bucket; 26. Fertilizer application pipe; 3. Riding device; 31. Driving device; 32. Riding shaft; 33. Riding knife; 34. Arc baffle; 35. Riding plate; 36. Riding plow; 4. Depth-limiting cutting disc; 41. Disc knife; 42. Depth-limiting ring; 43. Connecting shaft; 44. Connecting plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "top", "bottom", "top surface", "bottom surface", "inside", "outside", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0031] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If the terms "first", "second", "third" are described, they are only used for the purpose of description and distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of the embodiments of the present invention based on its overall structure.

[0033] Example 1

[0034] like Figure 1 As shown, a fertilizing and earthing machine with anti-entanglement and anti-sideslipping comprises a frame 1, a fertilizing device 2, an earthing device 3 and a depth-limiting cutting disc 4, wherein the fertilizing device 2 is arranged above the frame 1, the earthing device 3 is arranged below the frame 1, the depth-limiting cutting disc 4 is arranged below the frame 1 and in front of the earthing device 3, and the depth-limiting cutting disc 4 comprises a disc knife 41 and a depth-limiting ring 42, which are used to cut weeds and limit the soil depth of the earthing device 3, so as to adjust the earthing depth. The present invention improves the existing depth-limiting wheel, by arranging the depth-limiting cutting disc 4 in front of the earthing device 3, and integrating the existing disc knife 41 with the depth-limiting wheel, so as to solve the problems of the existing sugarcane fertilizing and earthing machine being easily entangled by weeds and easily sideways, which affect the continuous operation of the machine.

[0035] The anti-winding and anti-skidding fertilizer and soil-raising machine of this embodiment is equipped with two groups of fertilizer devices 2, two groups of soil-raising devices 3 and two groups of depth-limiting cutting discs 4, that is, during the operation, fertilizer and soil-raising operations can be performed on two rows of crops at the same time, thereby improving the fertilizer and soil-raising operations. Of course, it is also possible to select only fertilization or only soil-raising operations according to different plant growth conditions.

[0036] Specific, combined Figure 2 The fertilizing device 2 can adopt the existing spiral fertilizer discharge device, and can also adopt the structure of the fertilizing device 2 in the patent "A directional and quantitative sugarcane fertilization and soil-raising machine" (CN116602080A). That is, the fertilizing device 2 includes a fertilizer box 21, a fertilizer discharge chamber 22, a fertilizer discharge shaft 24 driven by a hydraulic motor 23, a fertilizer receiving hopper 25 and a fertilizer pipe 26. The fertilizer box 21 is used to store fertilizer. The upper part of one end of the fertilizer discharge chamber 22 is provided with a fertilizer inlet 221 connected to the fertilizer box 21, and the lower part of the other end is provided with a fertilizer discharge port 222 connected to the fertilizer receiving hopper 25. The fertilizer discharge shaft 24 is arranged in the fertilizer discharge chamber 22 and is driven by the hydraulic motor 23 arranged outside the fertilizer discharge chamber 22. The fertilizer discharge shaft 24 is provided with a spiral blade, which rotates with the fertilizer discharge shaft 24 and transmits the fertilizer from the fertilizer inlet 221 to the fertilizer discharge port 222. The fertilizer receiving hopper 25 is arranged below the fertilizer discharge port 222, and the lower end of the fertilizer receiving hopper 25 is connected to the fertilization pipe 26. Fertilizer falls from the fertilizer box 21 into the fertilizer inlet 221 of the fertilizer discharge chamber 22, and is discharged from the fertilizer discharge outlet 222 driven by the fertilizer discharge shaft 24, and is discharged into the soil after passing through the fertilizer discharge hopper and the fertilizer pipe 26 in sequence.

[0037] Specific, combined Figure 3 , the ridging device 3 comprises: a driving device 31, a ridging shaft 32, a ridging knife 33, an arc baffle 34 and a ridging plate 35. The driving device 31 is connected to the middle part of the ridging shaft 32 by transmission, and drives the ridging shaft 32 to rotate. The ridging knife 33 is arranged in a spiral shape along the axial direction of the ridging shaft 32, and the installation direction of the ridging knife 33 is at an angle of 10-20° with the end face of the ridging shaft 32. The ridging knife 33 forms a certain angle with the ridging shaft 32, and the soil is moved in the horizontal direction of the ridging shaft 32 to realize directional ridging. In the present embodiment, the ridging knife 33 has 8 groups, and each group has two symmetrically arranged, wherein four groups face the left side, and the other four groups face the right side, that is, the ridging knife 33 respectively ridges on both sides. In other embodiments, different numbers of ridging knives 33 can also be set.

[0038] In this embodiment, the soil plow 36 is provided in front of the middle of the soil-raising shaft 32. The soil-raising plow 36 is used to loosen the soil between the planting rows and transmit it to the soil-raising knives 33 at the rear of both sides for further transmission and cultivation to the planting rows.

[0039] Further, the arc baffle 34 is provided between the soil-raising shaft 32 and the frame 1, and the soil-raising plates 35 are provided at both ends of the arc baffle 34, respectively. The soil-raising plates 35 are semi-open transverse trumpet-shaped, and the opening close to one end of the arc baffle 34 is smaller than the opening at the other end. Preferably, the soil-raising plates 35 are connected to the arc baffle 34 by hinges, and the soil-raising plates 35 and the arc baffle 34 are also provided with hinge seats respectively, and the two ends of the connecting rod with screw holes pass through the hinge seats of the soil-raising plates 35 and the hinge seats of the arc baffle 34 respectively, and are fixed by adjusting bolts. There are multiple screw holes on the connecting rod, and the inclination angle of the soil-raising plates 35 can be adjusted by adjusting the fixing position of the adjusting bolts, thereby adjusting the soil-raising amount.

[0040] The ridging knives 33 of the ridging device 3 are arranged in a spiral shape along the axial direction of the ridging shaft 32, and the installation direction of the ridging knives 33 forms an angle of 10-20° with the end face of the ridging shaft 32. The ridging knives 33 rotate with the ridging shaft 32, not only can the soil of the sugarcane field be crushed and the mud can be discharged to both sides of the ridging device 3 for sugarcane ridging, but also the ridging knives 33 can generate wind force similar to the blades of a fan to throw the mud to the inside of the sugarcane ridge. With the use of the raised blades 37 and the ridging plate 35 with adjustable angle, directional and quantitative ridging of sugarcane can be achieved.

[0041] Combination Figure 4 The depth limiting cutting disc 4 has two groups, each group has three depth limiting cutting discs 4, namely, a first depth limiting cutting disc 4, a second depth limiting cutting disc 4 and a third depth limiting cutting disc 4 which are arranged in sequence. The three depth limiting cutting discs 4 are installed on the connecting shaft 43 through bearings, and the two ends of the connecting shaft 43 are connected to the connecting plate 44 respectively. The other end of the connecting plate 44 is provided with a plurality of screw holes, and the connecting plate 44 is detachably connected to the frame 1 through bolts. When in use, screw holes at different heights can be selected for installation as needed, so as to adjust the depth of the depth limiting cutting disc 4 into the soil, and then adjust the depth of the soil embedding of the earth-raising device 3 and the amount of earth-raising.

[0042] Specifically, combined Figure 5, the depth-limiting cutting disc 4 includes a disc knife 41 and a depth-limiting ring 42, the diameter of the depth-limiting ring 42 is smaller than the diameter of the disc knife 41, the depth-limiting ring 42 is coaxially arranged with the disc knife 41, and is fixed on one side of the disc knife 41. In this embodiment, the depth-limiting rings 42 of the first depth-limiting cutting disc 4 and the third depth-limiting cutting disc 4 are arranged on a side close to the second depth-limiting cutting disc 4, the depth-limiting ring 42 of the second depth-limiting cutting disc 4 is arranged on a side close to the first depth-limiting cutting disc 4, and the spacing between the first depth-limiting cutting disc 4 and the second depth-limiting cutting disc 4 is greater than the spacing between the second depth-limiting cutting disc 4 and the third depth-limiting cutting disc 4. Preferably, the spacing between the depth-limiting cutting discs 4 is greater than 15 cm and less than 25 cm. It is not easy to form a mud wall when the spacing between the depth-limiting cutting discs 4 is greater than 15 cm, and it is not easy for mud blocks to appear between the depth-limiting cutting discs 4. In this embodiment, the diameter of the circular knife 41 is 55 cm, the distance between the depth limiting ring 42 and the edge of the circular knife 41 is about 6 cm, and the width of the depth limiting ring 42 extending from the circular knife 41 is 5-6 cm. The present application uses multiple depth limiting rings 42 to meet the depth limiting support function, which can reduce the force on a single circular knife 41.

[0043] Preferably, a scraper is further provided above the depth limiting ring 42, the lower end of the scraper abuts against the depth limiting ring 42, one side of the scraper abuts against the disc cutter 41, and the upper end of the scraper is fixed to the frame 1. The scraper can remove the mud adhering to the depth limiting ring 42, so as to effectively realize the depth limiting function.

[0044] The fertilizer and soil-raising machine is used for inter-cultivation management of sugarcane, and the fertilizer and soil-raising machine is pulled forward by a tractor. Before moving, the installation position of the depth-limiting cutting disc 4 is adjusted according to the demand for soil-raising amount, and the angle of the soil-raising plate 35 of the soil-raising device 3 is adjusted. Fertilizer is loaded into the fertilizer box 21. The hydraulic motor 23 of the fertilization device 22 and the driving device 31 of the soil-raising device 3 are started. During the movement of the tractor, the disc knife 41 of the depth-limiting cutting disc 4 cuts off the weeds between the sugarcane rows. At the same time, the depth-limiting ring 42 of the depth-limiting cutting disc 4 can limit the soil depth of the disc knife 41 and the soil-raising device 3. The depth-limiting ring 42 cooperates with the disc knife 41 to prevent side slipping, which is beneficial to the stability of mechanical operation. The soil-raising device 3 raises the soil between the sugarcane rows into the sugarcane planting row, and the fertilizer discharge device discharges the fertilizer to the sugarcane planting row and is covered by the loosened soil.

[0045] In the present application, the direction in which the sugarcane fertilizer and soil-raising machine moves forward is the front, and other directions are set accordingly.

[0046] In summary, the present invention provides a depth-limiting cutting disc 4 in front of the soil-raising device 3 to cut off weeds and sugarcane leaves between sugarcane rows and prevent weeds from entangled in the soil-raising device 3, which is conducive to improving soil-raising efficiency; at the same time, a depth-limiting ring 42 is provided on one side of the disc knife 41 to limit the soil penetration depth of the disc knife 41 and the fertilizing device 2, which is conducive to quantitative soil-raising. In addition, when encountering uneven working plots, the depth-limiting ring 42 cooperates with the disc knife 41, which is not prone to side slipping, etc., which is conducive to continuous operation. The amount of soil-raising can also be adjusted by adjusting the installation position of the depth-limiting cutting disc 4 to better meet the soil-raising needs of crops in different growth periods.

[0047] The foregoing descriptions of specific exemplary embodiments of the present invention are for the purpose of explanation and illustration. These descriptions are not intended to limit the present invention to the precise form disclosed, and it is obvious that many changes and variations can be made based on the above teachings. Although an embodiment of the present invention has been shown and described, this specific embodiment is only an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can make modifications, substitutions, variations and various selections and changes to the embodiments without creative contribution as needed without departing from the principles and purpose of the present invention after reading this specification, but they are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A fertilizing and earthing machine with anti-winding and anti-sideslip function, comprising a frame, a fertilizing device, an earthing device and a depth-limiting cutting disc, wherein the fertilizing device is arranged above the frame, the earthing device is arranged below the frame, the depth-limiting cutting disc is arranged below the frame and in front of the earthing device, and can rotate relative to the frame, characterized in that: The depth-limiting cutting disc includes a disc cutter and a depth-limiting ring. The disc cutter is connected to the frame via a bearing and a connecting plate. The diameter of the depth-limiting ring is smaller than the diameter of the disc cutter. The depth-limiting ring is coaxially arranged with the disc cutter and fixed on one side of the disc cutter.

2. The anti-winding and anti-skidding fertilizer hilling machine according to claim 1, characterized in that: There are at least three depth-limiting cutting discs, which are installed on the connecting shaft through bearing intervals. The two ends of the connecting shaft are respectively connected to the connecting plate. The other end of the connecting plate is provided with multiple screw holes. The connecting plate is detachably connected to the frame through bolts.

3. The anti-winding and anti-sideslip fertilizer hilling machine according to claim 2, characterized in that: The depth limiting cutting disk includes a first depth limiting cutting disk, a second depth limiting cutting disk and a third depth limiting cutting disk which are arranged in sequence and at intervals. The depth limiting rings of the first depth limiting cutting disk and the third depth limiting cutting disk are arranged on a side close to the second depth limiting cutting disk. The depth limiting cutting disk spacing on one side of the depth limiting ring of the second depth limiting cutting disk is greater than the depth limiting cutting disk spacing on the other side.

4. The anti-winding and anti-sideslip fertilizer hilling machine according to claim 3, characterized in that: The distance between the depth-limiting cutting discs is greater than 15 centimeters and less than 25 centimeters.

5. The anti-winding and anti-sideslip fertilizer hilling machine according to claim 1, characterized in that: The diameter of the disc knife is 50-60 cm.

6. The anti-winding and anti-sideslip fertilizer hilling machine according to claim 1, characterized in that: The distance between the depth limiting ring and the edge of the disc cutter is 5-7 cm.

7. The anti-winding and anti-sideslip fertilizer hilling machine according to claim 1, characterized in that: The depth limiting ring extends out of the disc cutter by 5-6 cm.

8. The anti-winding and anti-sideslip fertilizer hilling machine according to claim 1, characterized in that: A scraper is also provided above the depth limiting ring, the lower end of the scraper abuts against the depth limiting ring, one side of the scraper abuts against the disc knife, and the upper end of the scraper is fixed to the frame.

9. The anti-winding and anti-sideslip fertilizer hilling machine according to claim 1, characterized in that: The fertilizing device comprises: a fertilizer box, a fertilizer discharging chamber, a fertilizer discharging shaft driven by a hydraulic motor, a fertilizer receiving bucket and a fertilizer discharging pipe. The upper part of one end of the fertilizer discharging chamber is provided with a fertilizer inlet connected to the fertilizer box, and the lower part of the other end is provided with a fertilizer discharging port connected to the fertilizer receiving bucket. The other end of the fertilizer receiving bucket is connected to the fertilizing pipe. The fertilizer discharging shaft is arranged in the fertilizer discharging chamber, and one end of the fertilizer discharging shaft passes through the end of the fertilizer discharging chamber and is transmission-connected to the hydraulic motor, and the other end of the fertilizer discharging shaft is fixed to the other end of the fertilizer discharging chamber through a bearing. The fertilizer discharging shaft is provided with a spiral blade, and the end of the spiral blade extends to the fertilizer discharging port. A scraper is also provided between the end of the spiral blade and the end of the fertilizer discharging chamber, and the extension direction of the scraper is parallel to or at an acute angle to the axis of the fertilizer discharging shaft. The ridging device comprises: a driving device, a ridging shaft, a ridging knife, a curved baffle, a ridging plate and a ridging plow, wherein the driving device is connected to the middle part of the ridging shaft and drives the ridging shaft to rotate; the ridging knife is arranged in a spiral shape along the axial direction of the ridging shaft, and the installation direction of the ridging knife forms an angle of 10-20° with the end face of the ridging shaft; the curved baffle is provided between the ridging shaft and the frame, and the ridging plates are respectively provided at both ends of the curved baffle, the ridging plate is in a transverse trumpet shape with a notch, and the opening close to one end of the curved baffle is smaller than the opening at the other end, and the ridging plow is provided in front of the middle part of the ridging shaft.

10. The anti-winding and anti-sideslip fertilizer hilling machine according to claim 9, characterized in that: The fertilizing device, the soil-raising device and the depth-limiting cutting disc are respectively provided in two groups; the hydraulic motor of the fertilizing device is arranged between the two fertilizer discharge chambers and is connected to the two fertilizer discharge shafts through a transmission device; the driving device of the soil-raising device is arranged above the frame, and the two ends of the driving device are connected to the soil-raising rotating shaft through gears; the depth-limiting cutting discs are respectively arranged in front of the two groups of soil-raising devices, each group has three depth-limiting cutting discs, and the depth-limiting cutting disc in the middle of each group is directly opposite to the soil-raising plow of the soil-raising device front and back.

Images