Rotary rake head farm tool

Abstract

The utility model provides a rotary rake head farm tool, and relates to the technical field of farm tools. The rotary harrow is used for smashing mud blocks, the dragging harrow is used for leveling land, the rotary harrow and the dragging harrow are connected through a traction chain or a fixing rod, a plurality of rotary soil smashing units are installed on the rotary harrow, the dragging harrow comprises a bulldozing plate and a soil leveling frame, bulldozing harrow teeth are arranged on the bulldozing plate, and a plurality of cross rods are arranged on the soil leveling frame. And a plurality of soil leveling rake teeth are arranged at the lower end of each cross rod. A plurality of rotary soil crushing units are mounted on the rotary harrow, so that large mud blocks in the deeply ploughed land can be crushed; in the advancing process of the drag harrow, the bulldozing plate and the bulldozing harrow teeth push up soil to move forwards, the soil at the high position of the land is bulldozed to the low-lying position of the land, bulldozing of the soil is achieved, and the soil leveling frame is matched with the soil leveling harrow teeth to further level the soil.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural implement technical field, especially a rotary harrow head agricultural implement. BACKGROUND

[0002] In agricultural production, before planting crops, the land often needs to be ploughed, leveled and ditched to ensure the fertility, soil conservation and soil dryness, wherein deep ploughing is the process of using a large plow driven by an agricultural tractor to plough the land, which exchanges the deep soil and the surface soil by plowing the deep soil to the surface, so as to break the plow bottom, make the soil breathable, reduce pests and diseases, and improve the fertility. In order to promote the circulation of microorganisms and organic matter in the soil, kill some harmful organisms and bacteria, and reduce the content of harmful substances in the soil, the land after deep ploughing still needs to be dried for a period of time.

[0003] The land is leveled after deep ploughing and drying, but the soil after deep ploughing by a large plow is often large and hard, and after drying, the soil becomes even harder, which brings difficulties to the leveling of the land. At present, there is a lack of effective agricultural implements for leveling the land after deep ploughing, and manual leveling, such as using a hoe or a rake, requires a long time and a lot of physical labor. SUMMARY

[0004] The utility model provides a rotary harrow head agricultural implement aiming at the problems of the prior art, which comprises a rotary harrow and a drag harrow, a plurality of rotary soil breaking units are installed on the rotary harrow to break the large soil clumps in the land after deep ploughing; the drag harrow moves the pushed soil forward to push the soil at high places of the land to the low places of the land to realize the leveling of the soil.

[0005] Therefore, the technical scheme of the utility model is a rotary harrow head agricultural implement, which comprises a rotary harrow for soil breaking and a drag harrow for land leveling, the rotary harrow and the drag harrow are connected by a traction chain or a fixed rod, a plurality of rotary soil breaking units are installed on the rotary harrow, the drag harrow comprises a bulldozer plate and a land leveling frame, the bulldozer plate is provided with bulldozer tines, and the land leveling frame is provided with a plurality of crossbars, and each crossbar is provided with a plurality of land leveling tines at the lower end.

[0006] Further, the rotary harrow comprises a harrow frame, a driving motor is arranged above the front end of the harrow frame, a gear box is arranged behind the driving motor, the gear box is provided with a driving gear and a driven gear, a cascade box is arranged below the gear box, and a plurality of rotary soil breaking units are installed on the cascade box.

[0007] Further, the rotary soil breaking unit comprises a rotating shaft, the rotating shaft is connected to the upper and lower end faces of the cascade box through a bearing cover, and the bearing cover is rotatably connected to the rotating shaft through a bearing.

[0008] Further, the middle part of the rotating shaft is fixedly provided with a cascade gear, the cascade gear is located in the inside of a cascade box, and the cascade gears of the plurality of rotating soil crushing units are sequentially meshed and connected.

[0009] Further, the lower part of the rotating shaft is provided with a rake tooth connecting plate, the middle part of the rake tooth connecting plate is fixedly connected with the lower end of the rotating shaft, and the two ends of the rake tooth connecting plate are provided with soil crushing rake teeth.

[0010] Further, one side of the soil crushing rake tooth is provided with a circular surface or an arc surface, the other side of the soil crushing rake tooth is provided with a sharp corner, and the bottom surface of the soil crushing rake tooth is provided with an inclined surface.

[0011] Further, the lower part of the rear end of the rake frame is fixedly provided with a wheel fixing plate, the middle part of the wheel fixing plate is provided with a height adjusting sliding groove, and the wheel is installed in the height adjusting sliding groove.

[0012] Further, the bulldozing rake tooth is fixed on the bulldozing plate, and the bulldozing rake tooth is an arc-shaped rake tooth.

[0013] Further, the front end of the bulldozing rake tooth extends obliquely downward, and the rear end of the bulldozing rake tooth extends obliquely upward.

[0014] Further, the land leveling rake tooth is in a cylindrical shape, the lower part of the land leveling rake tooth is provided with a sharp corner, and the land leveling rake tooth is uniformly distributed in multiple rows and multiple columns at the lower end of the land leveling frame.

[0015] The utility model discloses a rotary rake and a drag rake, the drag rake is installed with a plurality of rotating soil crushing units, the plurality of rotating soil crushing units are arranged on a straight line, in order to effectively stir the mud block, one side of the rake tooth connecting plate is provided with a circular surface or an arc surface to prevent clay, the other side of the rake tooth connecting plate is provided with a sharp corner, the sharp corner can crush the mud block, the driving motor drives the high -speed rotation of the soil crushing rake tooth of rotating soil crushing unit, and then the big mud block in the deep ploughed land is stirred; the drag rake includes a bulldozing plate and a land leveling frame, in the process of advancing, the bulldozing plate and the bulldozing rake tooth move the mud pushed forward, push the mud of the high place of land to the low place of land, realize the mud pushing flat, and the land leveling frame and the land leveling rake tooth cooperate to further level the mud.

[0016] In addition, when the drag rake uses the fixed rod to connect the rotary rake, the soil entering depth of the drag rake is also determined by the installation height of the wheel 17, when the drag rake uses the traction chain to connect the rotary rake, the front end soil entering depth of the bulldozing rake tooth is determined by the self weight of the drag rake, the front end soil entering depth of the bulldozing rake tooth can be adjusted by increasing or reducing the counterweight block on the drag rake, the rear end of the bulldozing rake tooth cooperates with the bulldozing plate to form the earth pile and uniformly release the earth pile, so as to realize the mud pushing flat. DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model,

[0018] Figure 2 is a plan view of Figure 1 ;

[0019] Figure 3 is a front view of Figure 1 ;

[0020] Figure 4 is a structural schematic view of a rotary harrow;

[0021] Figure 5 is a front view of Figure 4 ;

[0022] Figure 6 is a structural schematic view of an internal structure of a rotary harrow;

[0023] Figure 7 is a structural schematic view of another angle of Figure 6 ;

[0024] Figure 8 is a structural schematic view of a drag harrow;

[0025] Figure 9 is a plan view of Figure 8 ;

[0026] Figure 10 is a front view of Figure 8 .

[0027] Explanation of symbols in the drawings:

[0028] 1. rotary harrow; 11. harrow frame; 12. driving motor; 13. gear box; 131. driving gear; 132. driven gear; 14. cascade box; 15. rotary soil breaking unit; 151. rotating shaft; 152. cascade gear; 153. harrow tooth connecting plate; 154. soil breaking harrow tooth; 155. bearing cover; 16. wheel fixing plate; 161. height adjusting sliding groove; 17. wheel; 18. hitch; 2. drag harrow; 21. dozing plate; 22. dozing harrow tooth; 23. grading frame; 24. grading harrow tooth; 3. traction chain. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0030] As Figures 1-10The utility model provides a rotary harrow head agricultural implement, it includes rotary harrow 1 and drag harrow 2, rotary harrow 1 is used for stirring the big piece of mud piece, drag harrow 2 is used for flattening the land, rotary harrow 1 and drag harrow 2 use traction chain 3 or fixed link connection, when using traction chain 3 connection, rotary harrow 1 only provides forward traction for drag harrow 2, and the depth of earth penetration of drag harrow 2 is determined by its own weight, in order to control the depth of earth penetration of drag harrow 2, the counterweight is equipped in drag harrow 2, and the number of counterweight is increased to increase the depth of earth penetration of drag harrow 2, and the number of counterweight is reduced or the counterweight is not placed to reduce the depth of earth penetration of drag harrow 2, if using fixed link connection, rotary harrow 1 provides forward traction for drag harrow 2 at the same time, and rotary harrow 1 and drag harrow 2 are fixedly connected as a whole, and the depth of earth penetration of drag harrow 2 is determined by the installation height of the wheel 17 of rotary harrow 1.

[0031] Rotary harrow 1 includes harrow frame 11, the upper portion of the front end of harrow frame 11 is equipped with driving motor 12, driving motor 12 is fixedly connected with harrow frame 11, and the power supply of driving motor 12 is provided by traction locomotive connected with harrow frame 11.

[0032] The rear of driving motor 12 is equipped with gear box 13, gear box 13 is equipped with driving gear 131 and driven gear 132, driving gear 131 is connected with the output shaft of driving motor 12 through a shaft coupling, and driving gear 131 and driven gear 132 are connected through helical teeth.

[0033] The lower portion of gear box 13 is equipped with cascade box 14, a plurality of rotary soil breaking units 15 are installed on cascade box 14, the plurality of rotary soil breaking units 15 are arranged in a straight line, rotary soil breaking unit 15 includes rotating shaft 151, rotating shaft 151 is connected with the upper and lower end faces of cascade box 14 through bearing cover 155, bearing cover 155 is rotatably connected with rotating shaft 151, in order to prevent dust, the outer side of bearing cover 155 of the upper and lower end faces of cascade box 14 is equipped with a dust cover.

[0034] The middle portion of rotating shaft 151 is fixedly equipped with cascade gear 152, cascade gear 152 is located inside cascade box 14, can effectively prevent dust protection, and the cascade gears 152 of the plurality of rotary soil breaking units 15 are engaged in turn, so that the transmission connection of the plurality of rotary soil breaking units 15 is realized.

[0035] The rotating shaft 151 of one of the plurality of rotary soil breaking units 15 is fixedly connected with driven gear 132, driving motor 12 drives driven gear 132 to rotate through driving gear 131, and then drives one of the rotary soil breaking units 15 to work, and the rotary soil breaking unit 15 drives all rotary soil breaking units 15 to work at the same time through cascade gear 152.

[0036] A rake tooth connecting plate 153 is provided below the rotating shaft 151, and the middle part of the rake tooth connecting plate 153 is fixedly connected to the lower end of the rotating shaft 151. Both ends of the rake tooth connecting plate 153 are provided with soil crushing rake teeth 154. The rotating shaft 151 drives the soil crushing rake teeth 154 to rotate at high speed, thereby crushing the large pieces of mud in the land after deep plowing.

[0037] In order to effectively break up the mud, one side of the crushing teeth 154 is set to a round or curved surface to prevent sticking, and the other side of the crushing teeth 154 is set to a sharp corner to crush the mud. Similarly, the bottom surface of the crushing teeth 154 is set to an inclined surface, which also has a good crushing effect.

[0038] Wheel fixing plates 16 are fixed on both sides below the rear end of the rake frame 11. A height adjustment chute 161 is provided in the middle of the wheel fixing plate 16. Wheels 17 are installed in the height adjustment chute 161. By adjusting the installation height of the wheels 17, the depth of the rotary soil crushing unit 15 into the soil can be adjusted. When the drag rake 2 is connected to the rotary rake 1 using a fixed rod, the depth of the drag rake 2 into the soil is also determined by the installation height of the wheels 17.

[0039] The drag rake 2 includes a bulldozer plate 21 and a soil leveling frame 23. When the drag rake 2 moves forward, the bulldozer plate 21 will push up the soil and move forward, flattening the soil on the high ground to the low ground to achieve soil leveling. In order to prevent the bulldozer plate 21 from sticking to the soil, the upper and lower surfaces of the bulldozer plate 21 are set to arc surfaces.

[0040] The bulldozer blade 21 is also provided with bulldozer teeth 22, which also play the role of bulldozers. The bulldozer teeth 22 are fixed on the bulldozer blade 21. The bulldozer teeth 22 are arc-shaped teeth. The front end of the bulldozer teeth 22 extends obliquely downward, and the rear end of the bulldozer teeth 22 extends obliquely upward. When the drag rake 2 is connected to the rotating rake 1 using the traction chain 3, the depth to which the front end of the bulldozer teeth 22 is embedded in the soil is determined by the weight of the drag rake 2 itself. By adding or reducing the counterweight blocks on the drag rake 2, the depth to which the front end of the bulldozer teeth 22 is embedded in the soil can be adjusted. The rear end of the bulldozer teeth 22 cooperates with the bulldozer blade 21 to form a soil pile and evenly release the soil pile, thereby achieving the leveling of the soil.

[0041] There are multiple cross bars on the leveling frame 23, and the lower end of each cross bar is provided with leveling rake teeth 24. The leveling rake teeth 24 are cylindrical, and there are sharp corners at the bottom of the leveling rake teeth 24. The leveling rake teeth 24 are evenly distributed in multiple rows and columns at the lower end of the leveling frame 23. The leveling frame 23 and the leveling rake teeth 24 cooperate to further level the soil.

[0042] The utility model provides a rotary harrow head farm tool, it includes rotary harrow 1 and drag harrow 2, a plurality of rotary soil breaking units 15 are installed on drag harrow 2, a plurality of rotary soil breaking units 15 are arranged on a straight line, in order to effectively stir broken mud block, the one side of harrow tooth connecting plate 153 is provided as the round surface or the arc surface, prevents clay, the other side of harrow tooth connecting plate 153 is provided with sharp angle, through sharp angle can smash mud block, drive motor 12 drives the high -speed rotation of soil breaking harrow tooth 154 of rotary soil breaking unit 15, and then stirs broken the big mud block in the land of deep ploughing, drag harrow 2 includes bulldozing plate 21 and land levelling frame 23, in the process of advancing, bulldozing plate 21 and bulldozing harrow tooth 22 will push up the soil and move forward, push the soil at the high place of land to the low place of land, realize the bulldozing of soil, and land levelling frame 23 and land levelling harrow tooth 24 cooperate and further level the soil.

[0043] In addition, when the drag harrow 2 uses the fixed rod to connect the rotary harrow 1, the soil entering depth of the drag harrow 2 is determined by the installation height of the wheel 17; when the drag harrow 2 uses the traction chain 3 to connect the rotary harrow 1, the front end soil entering depth of the bulldozing harrow tooth 22 is determined by the self weight of the drag harrow 2, the front end soil entering depth of the bulldozing harrow tooth 22 can be adjusted by increasing or reducing the counterweight block on the drag harrow 2, and the rear end of the bulldozing harrow tooth 22 cooperates with the bulldozing plate 21 to form the soil pile and uniformly release the soil pile, so that the bulldozing of the soil is realized.

[0044] The above is only the specific embodiment of the utility model, and cannot limit the range of the utility model implementation, so the replacement of equivalent components or equivalent changes and modifications made according to the utility model patent protection range should still belong to the scope covered by the utility model claims.

Claims

1. A rotary harrow head implement, characterized in that, The utility model provides a rotatory harrow and a drag harrow for soil breaking and land leveling, the rotatory harrow and the drag harrow are connected by traction chain or fixed rod, a plurality of rotatory soil breaking units are installed on the rotatory harrow, the drag harrow comprises a bulldozing plate and a land leveling frame, the bulldozing plate is provided with bulldozing harrow teeth, and the land leveling frame is provided with a plurality of horizontal rods, and the lower end of each horizontal rod is provided with a plurality of land leveling harrow teeth.

2. A rotary harrow tool according to claim 1, characterized in that The rotatory harrow comprises a harrow frame, a driving motor is arranged above the front end of the harrow frame, a gear box is arranged behind the driving motor, the gear box is provided with a driving gear and a driven gear, a cascade box is arranged below the gear box, and a plurality of rotatory soil breaking units are installed on the cascade box.

3. A rotary harrow tool according to claim 2, characterised in that The rotatory soil breaking unit comprises a rotating shaft, the rotating shaft is connected with the upper and lower end faces of the cascade box through bearing covers, and the bearing covers are rotationally connected with the rotating shaft through bearings.

4. A rotary harrow tool according to claim 3, characterised in that A cascade gear is fixedly arranged at the middle part of the rotating shaft, the cascade gear is arranged in the cascade box, and the cascade gears of the plurality of rotatory soil breaking units are sequentially and meshingly connected.

5. A rotary harrow tool according to claim 4, characterised in that A harrow tooth connecting plate is arranged below the rotating shaft, the middle part of the harrow tooth connecting plate is fixedly connected with the lower end of the rotating shaft, and the two ends of the harrow tooth connecting plate are provided with soil breaking harrow teeth.

6. A rotary harrow tool according to claim 5, characterised in that One side of the soil breaking harrow tooth is provided with a circular surface or an arc surface, the other side of the soil breaking harrow tooth is provided with a sharp corner, and the bottom surface of the soil breaking harrow tooth is provided with an inclined surface.

7. A rotary harrow tool according to claim 2, characterized in that Two vehicle fixing plates are fixedly arranged below the rear end of the harrow frame, a height adjusting sliding groove is arranged at the middle part of the vehicle fixing plate, and a vehicle wheel is arranged in the height adjusting sliding groove.

8. A rotary harrow tool according to claim 1, characterized in that The bulldozing harrow tooth is fixedly arranged on the bulldozing plate, and the bulldozing harrow tooth is an arc-shaped harrow tooth.

9. A rotary harrow tool according to claim 8, characterised in that The front end of the bulldozing harrow tooth extends downwardly and obliquely, and the rear end of the bulldozing harrow tooth extends upwardly and obliquely.

10. A rotary harrow tool according to claim 1, characterized in that The land leveling harrow tooth is in a cylindrical shape, the lower end of the land leveling harrow tooth is provided with a sharp corner, and the land leveling harrow teeth are uniformly distributed in multiple rows and multiple columns at the lower end of the land leveling frame.

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