Ploughing and root breaking device

Abstract

The invention relates to the technical field of agricultural machinery, and discloses a ploughing and root breaking device which comprises a foundation frame, a height adjusting mechanism, a driving swing mechanism, a lifting rack, a rotary driving mechanism, a mud scraping mechanism and a root breaking blade, the height adjusting mechanism is installed on the foundation frame, and the bottom of the height adjusting mechanism is fixedly connected with the lifting rack; a rotary driving mechanism is installed on the lifting rack, a plurality of root breaking blades are detachably fixed to the rotary driving mechanism, a mud scraping mechanism used for cleaning the root breaking blades is installed on the lifting rack, and a driving swing mechanism used for driving the mud scraping mechanism to swing up and down is installed on the foundation frame. According to the invention, soil rhizomes for ploughing can be conveniently broken, and soil attached to the root breaking blades can be conveniently cleaned; height adjustment is convenient, and the depth of the root breaking blade inserted into the ground is convenient to control; and the root breaking blade is convenient to disassemble and replace.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural machinery, and in particular to a root breaking device for cultivated land. Background Art

[0002] Agricultural machinery refers to various mechanical equipment used in agricultural production for planting, tilling, harvesting, processing and transportation. These mechanical equipment include but are not limited to tractors, seeders, harvesters, sprayers, irrigation equipment, agricultural vehicles, etc.

[0003] The tillage root breaking machine is a type of agricultural machinery used to remove residual roots, weeds and other debris on the ground before tilling or planting, so as to facilitate subsequent tillage and planting operations.

[0004] Chinese patent CN220693651U discloses a farmland root breaking device for agricultural machinery, including a mounting mechanism, the outer wall of the mounting mechanism is provided with a detachable root breaking mechanism, the root breaking mechanism is fixedly connected to the mounting mechanism by screws, there are several root breaking mechanisms, the spacing between the several root breaking mechanisms is adjustable, and the several root breaking mechanisms are equidistantly distributed along the length direction of the mounting mechanism, the mounting mechanism includes a base rod, both ends of the base rod are fixedly connected to the mounting rod, one end of the mounting rod is fixedly connected to the end plate, one end of the end plate is fixedly connected to the connecting shaft, and the outer wall of the base rod is provided with a limited sliding groove and a connecting groove. The present invention, when in use, increases or decreases the root breaking mechanisms installed on the mounting mechanism, and adjusts the spacing between the root breaking mechanisms according to actual use requirements, so as to meet the root breaking requirements, the device structure is flexible, and roots of different densities and diameters can be broken.

[0005] The above patent uses a root breaking blade to break the plant rhizomes when in use. However, in actual use, after the root breaking blade is inserted into the soil, part of the soil will adhere to the root breaking blade, and part of the plant rhizomes will be stuck on the root breaking blade. Failure to clean up in time will affect the working effect. In addition, the above patent cannot adjust the insertion depth of the soil, and cannot make specific adjustments according to the root depth of different plants. Therefore, in view of the above situation, it is urgently necessary to develop a cultivated land root breaking device that is convenient for breaking the soil roots and rhizomes of cultivated land, and convenient for cleaning the soil attached to the root breaking blade; the height adjustment is convenient, and it is easy to control the depth of the root breaking blade inserted into the ground, so as to overcome the shortcomings in current practical applications and meet current needs. Summary of the invention

[0006] The object of the present invention is to provide a root breaking device for cultivated land to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A device for breaking root of cultivated land comprises a basic frame, a height adjustment mechanism, a driving swing mechanism, a lifting frame, a rotating driving mechanism, a mud scraping mechanism and a root breaking blade. The basic frame is provided with a height adjustment mechanism, the bottom of the height adjustment mechanism is fixedly connected to the lifting frame, the lifting frame is provided with a rotating driving mechanism, a plurality of root breaking blades are detachably fixed on the rotating driving mechanism, a mud scraping mechanism for cleaning the root breaking blades is provided on the lifting frame, the mud scraping mechanism comprises: a reference plate, a support shaft and a mud scraping frame, the reference plate is fixedly connected with the support shaft, both ends of the support shaft are rotatably connected to the lifting frame through bearings, a plurality of mud scraping frames are welded and fixed to the lower side of the reference plate, the mud scraping frames are used for the root breaking blades to pass through, and the basic frame is provided with a driving swinging mechanism for driving the mud scraping mechanism to swing up and down.

[0009] Preferably, a plurality of rollers are rotatably connected to the outer side of the base frame, and anti-slip grooves are arranged on the outer side of the rollers.

[0010] Preferably, a rotating seat is rotatably connected to the basic frame, and an external hook is welded and fixed to the rotating seat.

[0011] Preferably: the height adjustment mechanism includes: a threaded sleeve, a first motor, a first gear, a second gear, a lifting threaded rod and a stopper. The number of the threaded sleeves is two, each of the threaded sleeves is rotatably connected to the base frame through a bearing, the first motor is detachably fixed to the base frame by screws, a first gear is fixed to the output shaft of the first motor, a second gear is fixed to the outer ring of each threaded sleeve, the second gear is meshed with the first gear, a lifting threaded rod is installed in each threaded sleeve and passes through it, the lifting threaded rod and the threaded sleeve are connected by threads, a stopper is fixed to the top of each lifting threaded rod, and the bottom of each lifting threaded rod is welded and fixed to the lifting frame.

[0012] Preferably: the driving swing mechanism includes: a second motor, a circular turntable, a swing rod, a push-pull rod, a transfer rod, a first pin shaft, a second pin shaft, a third pin shaft, a limiting sleeve and a fixed frame, the second motor is detachably fixed to the base frame by screws, a circular turntable is fixedly mounted on the output shaft of the second motor, the upper end of the swing rod is rotatably connected to the circular turntable via the first pin shaft, the lower end of the swing rod is rotatably connected to the push-pull rod via the second pin shaft, the lower end of the push-pull rod is rotatably connected to the transfer rod via the third pin shaft, the transfer rod is fixed to one end of the reference plate, the push-pull rod passes through the limiting sleeve, the push-pull rod is in sliding contact with the limiting sleeve, and the limiting sleeve is fixed to the base frame via the fixed frame.

[0013] Preferably, the base frame is provided with through slots for the circular turntable, the swing rod and the push-pull rod to pass through.

[0014] Preferably: the rotary drive mechanism comprises: a third motor, a driving wheel, a driven wheel, a transmission belt and a rotating shaft, the third motor is detachably fixed to the lifting frame by screws, the rotating shaft is rotatably connected to the lifting frame by a bearing, a driving wheel is fixed on the output shaft of the third motor, the driving wheel is transmission-connected to the driven wheel by a transmission belt, and the driven wheel is fixedly mounted on the rotating shaft.

[0015] Preferably: an arc block is fixed to the upper end of the root breaking blade, the arc block is fitted on the outer wall of the rotating shaft, two fastening bolts screwed to the rotating shaft are installed on the arc block, and the rotating shaft is provided with a plurality of threaded holes for installing the fastening bolts.

[0016] Preferably, a mobile power module is fixedly mounted on the basic frame, and the first motor, the second motor and the third motor are all electrically connected to the mobile power module via wires.

[0017] The beneficial effects of the present invention are:

[0018] 1. When the cultivated land root breaking device is in use, the third motor drives the driving wheel and the driven wheel to rotate, the driven wheel drives the rotating shaft to rotate, and the rotating shaft drives the root breaking blade to rotate, so that the root breaking blade is inserted into the soil to break the plant roots and stems, and passes through the scraper frame during the rotation of the root breaking blade, and the soil attached to the root breaking blade and the plant roots and stems stuck on the root breaking blade are scraped off by the scraper frame. At the same time, the second motor drives the circular turntable to rotate, and the rotation of the circular turntable drives the swing rod to swing, and the swing rod drives the push-pull rod to move up and down, and the push-pull rod drives the transfer rod to move up and down, and the transfer rod drives one end of the reference plate to move up and down, so that the reference plate swings up and down around the support shaft, and the reference plate drives the scraper frame to swing up and down, so that the soil on the scraper frame is shaken off;

[0019] 2. The first motor drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the threaded sleeve to rotate, the threaded sleeve drives the lifting threaded rod to move up and down, the lifting threaded rod drives the lifting frame to move up and down, and the lifting frame drives the rotary drive mechanism and the root breaking blade to move up and down, so as to adjust the depth of the root breaking blade inserted into the ground;

[0020] 3. When the root breaking blade is damaged, the fastening bolt can be unscrewed to remove and replace the root breaking blade.

[0021] In summary, the present invention is convenient for crushing the soil roots of cultivated land, and is convenient for cleaning the soil attached to the root breaking blade; the height is easy to adjust, which is convenient for controlling the depth of the root breaking blade inserted into the ground; and the root breaking blade is easy to disassemble and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The three-dimensional structure of the present invention is shown in FIG. Figure 1 .

[0023] Figure 2 The three-dimensional structure of the present invention is shown in FIG. Figure 2 .

[0024] Figure 3 The three-dimensional structure of the present invention is shown in FIG. Figure 3 .

[0025] Figure 4 It is a schematic diagram of the partial structure of the present invention Figure 1 .

[0026] Figure 5 It is a schematic diagram of the partial structure of the present invention Figure 2 .

[0027] Figure 6 For the present invention Figure 5 Schematic diagram of the split state.

[0028] Figure 7 It is a schematic diagram of the partial structure of the present invention Figure 3 .

[0029] Figure 8 It is a schematic diagram of the partial structure of the present invention Figure 4 .

[0030] Fig. 9 It is a schematic diagram of the partial structure of the present invention Figure 5 .

[0031] Fig.10 For the present invention Fig. 9 Partial view at point A in the middle.

[0032] Legend:

[0033] 1. Basic frame; 101. Through slot; 2. Rotating seat; 3. External hook; 4. Height adjustment mechanism; 401. Threaded sleeve; 402. First motor; 403. First gear; 404. Second gear; 405. Lifting threaded rod; 406. In-position stopper; 5. Mobile power module; 6. Driving swing mechanism; 601. Second motor; 602. Round turntable; 603. Swinging rod; 604. Push-pull rod; 605. Transfer rod; 606. First pin shaft; 607. Second pin shaft ; 608, the third pin shaft; 609, the limiting sliding sleeve; 610, the fixing frame; 7, the lifting frame; 8, the rotating drive mechanism; 801, the third motor; 802, the driving wheel; 803, the driven wheel; 804, the transmission belt; 805, the rotating shaft; 8051, the threaded hole; 9, the scraping mechanism; 901, the reference plate; 902, the supporting shaft; 903, the scraping frame; 10, the root breaking blade; 1001, the arc block; 1002, the fastening bolt; 11, the roller; 1101, the anti-slip pattern. DETAILED DESCRIPTION

[0034] 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.

[0035] Specific examples are given below.

[0036] See also Figures 1 to 10In an embodiment of the present invention, a root breaking device for cultivated land includes a basic frame 1, a height adjustment mechanism 4, a driving swing mechanism 6, a lifting frame 7, a rotating drive mechanism 8, a mud scraping mechanism 9 and a root breaking blade 10. The height adjustment mechanism 4 is installed on the basic frame 1, and the bottom of the height adjustment mechanism 4 is fixedly connected to the lifting frame 7. The lifting frame 7 is equipped with a rotating drive mechanism 8. A plurality of root breaking blades 10 are detachably fixed on the rotating drive mechanism 8. The lifting frame 7 is equipped with a mud scraping mechanism 9 for cleaning the root breaking blades 10. The mud scraping mechanism 9 includes: a reference plate 901, a support shaft 902 and a mud scraping frame 903. The reference plate 901 is fixedly connected to the support shaft 902, and both ends of the support shaft 902 are rotatably connected to the lifting frame 7 through bearings. A plurality of mud scraping frames 903 are welded and fixed on the lower side of the reference plate 901. 03 is used for the root breaking blade 10 to pass through. A driving swing mechanism 6 for driving the scraping mechanism 9 to swing up and down is installed on the basic frame 1. When in use, the root breaking blade 10 is driven to rotate by the rotating driving mechanism 8, so that the root breaking blade 10 is inserted into the soil to crush the plant roots and stems. During the rotation of the root breaking blade 10, it passes through the scraping frame 903, and the soil attached to the root breaking blade 10 and the plant roots and stems stuck on the root breaking blade 10 are scraped off by the scraping frame 903. At the same time, the scraping mechanism 9 is driven to swing up and down by the driving swing mechanism 6, so that the soil on the scraping mechanism 9 is shaken off. In addition, the lifting frame 7 is driven to move up and down by the height adjustment mechanism 4, and the rotating driving mechanism 8 and the root breaking blade 10 are driven to move up and down by the lifting frame 7, so as to adjust the depth of the root breaking blade 10 inserted into the soil to meet different usage requirements.

[0037] The outer side of the base frame 1 is rotatably connected with a plurality of rollers 11, and the outer side of the rollers 11 is provided with anti-skid grooves 1101, which increase the friction between the rollers 11 and the ground to reduce the possibility of slipping.

[0038] A rotating seat 2 is rotatably connected to the basic frame 1, and an external hook 3 is welded and fixed to the rotating seat 2. The external hook 3 is hung on an agricultural tractor, so that the tractor provides power to the basic frame 1 to drive it to move in the land.

[0039] The height adjustment mechanism 4 includes: a threaded sleeve 401, a first motor 402, a first gear 403, a second gear 404, a lifting threaded rod 405 and an in-position stopper 406. The number of threaded sleeves 401 is two, and each threaded sleeve 401 is rotatably connected to the base frame 1 through a bearing. The first motor 402 is detachably fixed to the base frame 1 through screws. The first gear 403 is fixed to the output shaft of the first motor 402. A second gear 404 is fixed to the outer ring of each threaded sleeve 401. The second gear 404 is meshed with the first gear 403. A lifting threaded rod 405 is installed in each threaded sleeve 401 to penetrate it. The lifting threaded rod 405 and the threaded sleeve 401 are connected by threads, and a stopper 406 is fixed on the top of each lifting threaded rod 405, and the bottom of each lifting threaded rod 405 is welded and fixed to the lifting frame 7. When in use, the first motor 402 drives the first gear 403 to rotate, and the second gear 404 is driven to rotate by the rotation of the first gear 403, and the threaded sleeve 401 is driven to rotate by the rotation of the second gear 404, and the lifting threaded rod 405 is driven to move up and down by the rotation of the threaded sleeve 401, and the lifting frame 7 is driven up and down by the lifting threaded rod 405, and the rotating drive mechanism 8 and the root breaking blade 10 are driven to move up and down by the lifting frame 7, so as to adjust the depth of the root breaking blade 10 inserted into the ground.

[0040] The driving swing mechanism 6 includes: a second motor 601, a circular turntable 602, a swing rod 603, a push-pull rod 604, a transfer rod 605, a first pin shaft 606, a second pin shaft 607, a third pin shaft 608, a limiting sleeve 609 and a fixing frame 610. The second motor 601 is detachably fixed to the base frame 1 by screws, and a circular turntable 602 is fixedly installed on the output shaft of the second motor 601. The upper end of the swing rod 603 is rotatably connected to the circular turntable 602 through the first pin shaft 606, and the lower end of the swing rod 603 is rotatably connected to the push-pull rod 604 through the second pin shaft 607. The lower end of the push-pull rod 604 is rotatably connected to the transfer rod 605 through the third pin shaft 608. The transfer rod 605 is fixed to one end of the reference plate 901, and the push-pull rod 604 passes through the limiting sleeve 609. 9. The push-pull rod 604 is in sliding contact with the limiting sleeve 609, and the limiting sleeve 609 is fixed to the base frame 1 through a fixing frame 610. The base frame 1 is provided with a through slot 101 for the circular turntable 602, the swing rod 603, and the push-pull rod 604 to pass through. When in use, the circular turntable 602 is driven to rotate by the second motor 601, and the swing rod 603 is driven to swing by the rotation of the circular turntable 602, and the push-pull rod 604 is driven to move up and down by the swing of the swing rod 603. The push-pull rod 604 drives the transfer rod 605 to move up and down, and one end of the reference plate 901 is driven to move up and down by the transfer rod 605, so that the reference plate 901 swings up and down around the support shaft 902, and the reference plate 901 drives the scraper frame 903 to swing up and down, so that the soil on the scraper frame 903 is shaken off.

[0041] The rotating drive mechanism 8 includes: a third motor 801, a driving wheel 802, a driven wheel 803, a transmission belt 804 and a rotating shaft 805. The third motor 801 is detachably fixed to the lifting frame 7 by screws, and the rotating shaft 805 is rotatably connected to the lifting frame 7 by bearings. The driving wheel 802 is fixed to the output shaft of the third motor 801, and the driving wheel 802 is transmission-connected to the driven wheel 803 by a transmission belt 804. The driven wheel 803 is fixedly installed on the rotating shaft 805. When in use, the driving wheel 802 and the driven wheel 803 are driven to rotate by the third motor 801, the rotating shaft 805 is driven to rotate by the driven wheel 803, and the root breaking blade 10 is driven to rotate by the rotating shaft 805.

[0042] An arc block 1001 is fixed to the upper end of the root breaking blade 10, and the arc block 1001 is attached to the outer wall of the rotating shaft 805. Two fastening bolts 1002 that are screwed to the rotating shaft 805 are installed on the arc block 1001. The rotating shaft 805 is provided with a plurality of threaded holes 8051 for installing the fastening bolts 1002. When the root breaking blade 10 is damaged, the fastening bolts 1002 can be unscrewed, so that the root breaking blade 10 can be removed and replaced.

[0043] A mobile power module 5 is fixedly mounted on the base frame 1 , and the first motor 402 , the second motor 601 , and the third motor 801 are all electrically connected to the mobile power module 5 through wires for power supply.

[0044] Working principle: When the cultivated land root breaking device is used, the third motor 801 drives the driving wheel 802 and the driven wheel 803 to rotate, and the driven wheel 803 drives the rotating shaft 805 to rotate, and the rotating shaft 805 drives the root breaking blade 10 to rotate, so that the root breaking blade 10 is inserted into the soil to break the plant roots and stems. During the rotation of the root breaking blade 10, it passes through the scraper frame 903, and the soil attached to the root breaking blade 10 and the plant roots and stems stuck on the root breaking blade 10 are scraped off by the scraper frame 903. The circular rotating disk 602 is driven to rotate by the second motor 601, and the swing rod 603 is driven to swing by the rotation of the circular rotating disk 602, and the push-pull rod 604 is driven to move up and down by the swing of the swing rod 603, and the transfer rod 605 is driven to move up and down by the push-pull rod 604, and one end of the reference plate 901 is driven to move up and down by the transfer rod 605, so that the reference plate 901 swings up and down around the support shaft 902, and the reference plate 901 drives the scraper frame 903 to swing up and down, so that the soil on the scraper frame 903 is shaken off;

[0045] The first motor 402 drives the first gear 403 to rotate, the first gear 403 drives the second gear 404 to rotate, the second gear 404 drives the threaded sleeve 401 to rotate, the threaded sleeve 401 drives the lifting threaded rod 405 to move up and down, the lifting threaded rod 405 drives the lifting frame 7 to move up and down, and the lifting frame 7 drives the rotary drive mechanism 8 and the root breaking blade 10 to move up and down, so as to adjust the insertion depth of the root breaking blade 10 into the ground;

[0046] When the root breaking blade 10 is damaged, the fastening bolt 1002 can be unscrewed, so that the root breaking blade 10 can be removed and replaced.

[0047] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A root breaking device for cultivated land, characterized in that: The invention comprises a basic frame (1), a height adjustment mechanism (4), a driving swing mechanism (6), a lifting frame (7), a rotating driving mechanism (8), a mud scraping mechanism (9) and a root breaking blade (10), wherein the basic frame (1) is provided with a height adjustment mechanism (4), the bottom of the height adjustment mechanism (4) is fixedly connected to the lifting frame (7), the lifting frame (7) is provided with a rotating driving mechanism (8), a plurality of root breaking blades (10) are detachably fixed to the rotating driving mechanism (8), and a mechanism for cleaning the root breaking blades (10) is provided on the lifting frame (7). A mud scraping mechanism (9), the mud scraping mechanism (9) comprising: a reference plate (901), a support shaft (902) and a mud scraping frame (903), the reference plate (901) being fixedly connected to the support shaft (902), both ends of the support shaft (902) being rotatably connected to a lifting frame (7) via bearings, a plurality of mud scraping frames (903) being welded and fixed to the lower side of the reference plate (901), the mud scraping frames (903) being used for the root breaking blade (10) to pass through, and a driving swing mechanism (6) for driving the mud scraping mechanism (9) to swing up and down being installed on the base frame (1).

2. The root breaking device for cultivated land according to claim 1, characterized in that: The outer side of the base frame (1) is rotatably connected to a plurality of rollers (11), and the outer sides of the rollers (11) are provided with anti-slip grooves (1101).

3. The root breaking device for cultivated land according to claim 1, characterized in that: A rotating seat (2) is rotatably connected to the base frame (1), and an external hook (3) is welded and fixed to the rotating seat (2).

4. The root breaking device for cultivated land according to claim 1, characterized in that: The height adjustment mechanism (4) comprises: a threaded sleeve (401), a first motor (402), a first gear (403), a second gear (404), a lifting threaded rod (405) and a stopper (406); the number of the threaded sleeves (401) is two, each of the threaded sleeves (401) is rotatably connected to the base frame (1) via a bearing, the first motor (402) is detachably fixed to the base frame (1) via screws, the first gear (403) is fixed to the output shaft of the first motor (402), and each of the threaded sleeves (401) is rotatably connected to the base frame (1) via a bearing, A second gear (404) is fixed to the outer ring of the threaded sleeve (401), and the second gear (404) is meshed with the first gear (403). A lifting threaded rod (405) passing through the threaded sleeve (401) is installed in each threaded sleeve (401), and the lifting threaded rod (405) and the threaded sleeve (401) are connected by threads. A stopper (406) is fixed to the top of each lifting threaded rod (405), and the bottom of each lifting threaded rod (405) is welded and fixed to the lifting frame (7).

5. The root breaking device for cultivated land according to claim 4, characterized in that: The driving swing mechanism (6) comprises: a second motor (601), a circular turntable (602), a swing rod (603), a push-pull rod (604), a transfer rod (605), a first pin shaft (606), a second pin shaft (607), a third pin shaft (608), a limiting sliding sleeve (609) and a fixing frame (610); the second motor (601) is detachably fixed to the base frame (1) by screws; the circular turntable (602) is fixedly mounted on the output shaft of the second motor (601); the upper end of the swing rod (603) is connected to the base frame (1) by the first pin shaft (606). The circular turntable (602) is rotatably connected, the lower end of the swing rod (603) is rotatably connected to the push-pull rod (604) via a second pin shaft (607), the lower end of the push-pull rod (604) is rotatably connected to the transfer rod (605) via a third pin shaft (608), the transfer rod (605) is fixed to one end of the reference plate (901), the push-pull rod (604) passes through a limiting sleeve (609), the push-pull rod (604) is in sliding contact with the limiting sleeve (609), and the limiting sleeve (609) is fixed to the base frame (1) via a fixing frame (610).

6. The root breaking device for cultivated land according to claim 5, characterized in that: The base frame (1) is provided with a through slot (101) for the circular turntable (602), the swing rod (603), and the push-pull rod (604) to pass through.

7. The root breaking device for cultivated land according to claim 5, characterized in that: The rotary drive mechanism (8) comprises: a third motor (801), a driving wheel (802), a driven wheel (803), a transmission belt (804) and a rotating shaft (805); the third motor (801) is detachably fixed to the lifting frame (7) by means of screws; the rotating shaft (805) is rotationally connected to the lifting frame (7) by means of a bearing; a driving wheel (802) is fixed to the output shaft of the third motor (801); the driving wheel (802) is transmission-connected to the driven wheel (803) by means of a transmission belt (804); and the driven wheel (803) is fixedly mounted on the rotating shaft (805).

8. The root breaking device for cultivated land according to claim 7, characterized in that: An arc block (1001) is fixed to the upper end of the root breaking blade (10), and the arc block (1001) is fitted on the outer wall of the rotating shaft (805). Two fastening bolts (1002) screwed to the rotating shaft (805) are installed on the arc block (1001), and a plurality of threaded holes (8051) for installing the fastening bolts (1002) are provided on the rotating shaft (805).

9. The root breaking device for cultivated land according to claim 7, characterized in that: A mobile power module (5) is fixedly mounted on the basic frame (1), and the first motor (402), the second motor (601), and the third motor (801) are all electrically connected to the mobile power module (5) via wires.

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