阅读说明：本技术 一种甘薯种植用土地翻整装置 (Soil turning device for sweet potato planting ) 是由 乔文学 陈传胜 王桂军 范光炜 于 2021-01-14 设计创作，主要内容包括：本发明公开了一种甘薯种植用土地翻整装置,包括车架以及安装于车架上的旋耕单元和平整单元,所述旋耕单元包括旋耕组件、第一转盘、第一连杆和安装杆,所述平整单元包括第二电机、第二转盘、活动杆、压杆和平整板,所述旋耕单元和平整单元之间设有碎土单元,所述碎土单元包括中空轴、带动中空轴转动的驱动机构、第四转盘、第三转盘、第二连杆、支撑杆和粉碎刀片,设有旋耕单元,有效保护旋耕组件的同时提高了工作效率,同步调整三组旋耕组件的旋耕深度,满足不同的工作需求；设有平整单元,将土壤压平并抹平,起到更好的平整效果；设有碎土单元,活动块带动驱动杆往复移动,进一步扩大支撑杆的运动范围,提高碎土效率。(The invention discloses a land leveling device for sweet potato planting, which comprises a frame, and a rotary tillage unit and a leveling unit which are arranged on the frame, wherein the rotary tillage unit comprises a rotary tillage component, a first rotary disc, a first connecting rod and an installation rod; the leveling unit is arranged to flatten and level the soil, so that a better leveling effect is achieved; the soil crushing unit is arranged, the movable block drives the driving rod to move in a reciprocating mode, the movement range of the supporting rod is further expanded, and soil crushing efficiency is improved.)

1. The utility model provides a sweet potato is planted and is used soil turn over device, includes frame (1) and installs rotary tillage unit and the unit of leveling on frame (1), its characterized in that, the rotary tillage unit includes rotary tillage subassembly (15), first carousel (12), first connecting rod (13) and installation pole (14), the interval is equipped with three installation poles (14) on frame (1), and installation pole (14) middle part is rotated with frame (1) and is connected, installation pole (14) bottom extends to frame (1) below and installs rotary tillage subassembly (15), first logical groove has been seted up on installation pole (14) upper portion, lie in three installation pole (14) one side fixed mounting on frame (1) and have a motor, fixed mounting has first carousel (12) on the output shaft of first motor, and eccentric articulated on first carousel (12) terminal surface have first connecting rod (13), and the one end that first carousel (12) was kept away from to first connecting rod (13) is articulated to have a slide, the sliding seat is connected with the frame (1) in a sliding mode, a pin is fixedly mounted on the front side wall of the sliding seat, and the pin sequentially penetrates through the first through grooves in the three mounting rods (14).

2. The sweet potato planting land leveling device of claim 1, wherein a positioning pin is arranged at one end of the pin far away from the sliding base in a penetrating manner.

3. The land leveling device for sweet potato planting according to claim 1, wherein the leveling unit comprises a second motor, a second rotary table (3), a movable rod (4), a pressure lever (25) and a leveling plate, the second motor is fixedly arranged on the frame, the second rotary table (3) is fixedly arranged on an output shaft of the second motor, the movable rod (4) is connected to the front side of the second rotary table (3) in a matching manner, guide rods (5) are movably arranged at both ends of the movable rod (4) in a penetrating manner, the guide rods (5) are fixed on the frame (1), a second pin shaft (6) is eccentrically fixed on the front end surface of the second rotary table (3), a second through groove for the second pin shaft (6) to be inserted and moved is formed in the movable rod (4), the pressure lever (25) is slidably connected on the movable rod (4), the top end of the pressure lever (25) extends into the second through groove and is rotatably connected with the second pin shaft (6), the bottom end of the pressing rod (25) penetrates into the supporting rod movably, the bottom end of the supporting rod is fixed with the leveling plate (2), the spring is sleeved between the leveling plate (2) and the pressing rod (25) on the supporting rod, and two ends of the spring are fixedly connected with the leveling plate (2) and the pressing rod (25) respectively.

4. The land leveling device for sweet potato planting according to claim 3, wherein the pressure lever (25) is provided with a projection, and the movable lever (4) is provided with a groove which is in sliding fit with the projection.

5. The sweet potato planting land leveling device according to any one of claims 1 to 4, wherein a soil breaking unit is arranged between the rotary tillage unit and the leveling unit, the soil breaking unit comprises a hollow shaft (10), a driving mechanism (8) for driving the hollow shaft (10) to rotate, a fourth rotary disc (24), a third rotary disc (23), a second connecting rod (22), a supporting rod (16) and a crushing blade (18), the hollow shaft (10) vertically penetrates through the frame (1) and is rotatably connected with the frame, the driving mechanism (8) is mounted on the frame (1) and is in driving connection with the hollow shaft (10), the fourth rotary disc (24) is fixedly mounted at the bottom end of the hollow shaft (10), a rotating shaft is concentrically penetrated in the hollow shaft (10), the bottom end of the rotating shaft extends to the lower part of the fourth rotary disc (24) and is fixed with the third rotary disc (23), and the top end of the rotating shaft extends to the upper part of the hollow, first bevel gears (9) are relatively fixed on the hollow shaft (10) and the rotating shaft, a second bevel gear (11) meshed with the first bevel gears is installed between the two first bevel gears (9), the second bevel gear (11) is rotatably installed on a support plate fixed on the frame (1), a movable block (21) is installed on the lower surface of a fourth turntable (24) in a sliding manner along the radial direction, a second connecting rod (22) is eccentrically hinged to the lower end surface of the third turntable (23), one end, far away from the third turntable (23), of the second connecting rod (22) is hinged to the movable block (21), a driving rod is fixed at the bottom of the movable block (21), a plurality of first pin shafts (7) are circumferentially and equidistantly fixed at the bottom of the frame (1) and positioned on the outer side of the fourth turntable (24), a third through groove for the first pin shafts (7) to penetrate through and move is formed in the supporting rod (16), and limiting rings are arranged on the first pin shafts (7, bracing piece (16) one end is rotated with the actuating lever and is connected, it has rack (20) to lie in third tee bend inslot slidable mounting on bracing piece (16), sets up the perforation that supplies first round pin axle (7) to pass on rack (20), it rotates driven gear (19) of installing rack (20) meshing to lie in rack (20) one side on bracing piece (16), the installation axle bottom fixed mounting of driven gear (19) has electric putter (17), and the telescopic link bottom fixed mounting of electric putter (17) has crushing shaft, and last fixed mounting of crushing shaft has crushing blade (18).

6. The sweet potato planting land preparation apparatus according to claim 5, wherein the driving mechanism (8) is a driving motor and a spur gear pair.

7. The land leveling device for sweet potato planting according to claim 1, further comprising a spraying unit, wherein the spraying unit comprises a medicine box (26) and a spraying pipe (27), the medicine box (26) is fixed on the frame (1), the spraying pipe (27) is installed at the bottom of the frame (1), a pump body is installed in the medicine box (26), and the pump body is connected with the spraying pipe (27) through a water pipe.

Technical Field

The invention relates to the technical field of land preparation, in particular to a land preparation device for sweet potato planting.

Background

Sweet potato: also called sweet potato, Dioscorea of Dioscoreaceae, winding grass vine. The branch ends at the top of the underground tuber are expanded into egg-shaped tubers, and the outer skin is light yellow and smooth. The stem revolves left, the base has thorns, and the hair is molted in a T shape. Single leaf intergrowth, broad heart shape; the male inflorescence is spike-shaped inflorescence, is single-grown, and has no stem or extremely short stem; the bract is egg-shaped, and the top is tapered; the floral quilt is in a shallow cup shape and is short and soft; triangular prism shape of capsule, slightly concave top, truncated base, wing shape of each edge; the seeds are round and have wings. Early summer in flowering period.

When sweet potatoes are planted, soil is required to be turned and prepared to be suitable for growth, the existing soil turning and preparing device is generally only provided with a group of soil turning parts, so that the use and protection of the soil turning parts are not facilitated, and on the other hand, the turning and preparing efficiency is reduced.

Disclosure of Invention

The invention aims to provide a land leveling device for sweet potato planting, which aims to solve the problems.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a sweet potato is planted and turns over whole device with soil, includes the frame and installs the rotary tillage unit and the leveling unit on the frame, the rotary tillage unit includes rotary tillage subassembly, first carousel, first connecting rod and installation pole, the interval is equipped with three installation poles on the frame, and installation pole middle part is rotated with the frame and is connected, installation pole bottom extends to the frame below and installs the rotary tillage subassembly, first logical groove has been seted up on installation pole upper portion, it has first motor to lie in three installation pole one side fixed mounting on the frame, and fixed mounting has first carousel on the output shaft of first motor, and eccentric articulated on the first carousel terminal surface have first connecting rod, and the one end that first carousel was kept away from to first connecting rod articulates there is the slide, slide and frame sliding connection, fixed mounting has the pin on the lateral wall before the slide, and the pin runs through the first logical groove on three installation poles in proper.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

in one alternative: and one end of the pin, which is far away from the sliding seat, is penetrated with a positioning nail.

In one alternative: level the unit and include second motor, second carousel, movable rod, depression bar and flattening plate, second motor fixed mounting is in the frame, and fixed mounting has the second carousel on the output shaft of second motor, and the cooperation of second carousel front side is connected with the movable rod, and the guide bar is worn to be equipped with by the equal activity in movable rod both ends, and on the guide bar was fixed in the frame, off-centre was fixed with the second round pin axle on the terminal surface before the second carousel, set up the second that supplies the second round pin axle to insert and the activity on the movable rod and led to the groove, sliding connection has the depression bar on the movable rod, the depression bar top extends to the second and leads to the inslot and rotates with the second round pin axle and be connected, and the activity of depression bar bottom has penetrated branch, and the branch bottom mounting has the flattening plate, the cover that lies in on the branch is equipped with the spring between flattening plate.

In one alternative: the pressing rod is provided with a convex block, and the movable rod is provided with a groove in sliding fit with the convex block.

In one alternative: a soil crushing unit is arranged between the rotary tillage unit and the leveling unit, the soil crushing unit comprises a hollow shaft, a driving mechanism for driving the hollow shaft to rotate, a fourth rotary disc, a third rotary disc, a second connecting rod, a supporting rod and a crushing blade, the hollow shaft vertically penetrates through the frame and is rotatably connected with the frame, the driving mechanism is installed on the frame and is in driving connection with the hollow shaft, the fourth rotary disc is fixedly installed at the bottom end of the hollow shaft, a rotating shaft is concentrically arranged in the hollow shaft in a penetrating manner, the bottom end of the rotating shaft extends to the lower part of the fourth rotary disc and is fixedly provided with the third rotary disc, the top end of the rotating shaft extends to the upper part of the hollow shaft, first bevel gears are relatively fixed on the hollow shaft and the rotating shaft, a second bevel gear meshed with the first bevel gears is installed between the two first bevel gears, the second bevel, a second connecting rod is eccentrically hinged with the lower end surface of the third turntable, one end of the second connecting rod, which is far away from the third turntable, is hinged with the movable block, a driving rod is fixed at the bottom of the movable block, a plurality of first pin shafts are circumferentially and equidistantly fixed at the bottom of the frame and positioned at the outer side of the fourth turntable, a third through groove for the first pin shaft to pass through and move is arranged on the supporting rod, limiting rings are arranged on the first pin shaft and positioned at two sides of the supporting rod, one end of the support rod is rotationally connected with the drive rod, a rack is arranged on the support rod and positioned in the third through groove in a sliding way, a through hole for the first pin shaft to pass through is arranged on the rack, the utility model discloses a crushing device, including bracing piece, rack, driven gear, electric putter, telescopic link, crushing blade, it installs rack toothing's driven gear to lie in rack one side rotation on the bracing piece, driven gear's installation axle bottom fixed mounting has electric putter, and electric putter's telescopic link bottom fixed mounting has crushing axle, and the epaxial fixed mounting of crushing has crushing blade.

In one alternative: the driving mechanism is a driving motor and a straight gear pair.

In one alternative: the spraying unit comprises a medicine box and a spraying pipe, the medicine box is fixed on the frame, the spraying pipe is installed at the bottom of the frame, a pump body is installed in the medicine box, and the pump body is connected with the spraying pipe through a water pipe.

Compared with the prior art, the invention has the following beneficial effects:

1. the rotary tillage unit is provided with a rotary tillage unit, the rotary tillage unit comprises a rotary tillage component, a first rotary table, a first connecting rod and mounting rods, a first motor drives the first rotary table to rotate, the first rotary table drives a sliding seat to move, the sliding seat drives a pin to move, the pin drives three mounting rods to rotate, three groups of rotary tillage components all enter soil, the three groups of rotary tillage components are located at different depths, rotary tillage operation is carried out on the soil in a layering mode, the rotary tillage components are effectively protected, meanwhile, the working efficiency is improved, the first rotary table is driven by the first motor to rotate at different angles, the rotary tillage depths of the three groups of rotary tillage components can be synchronously adjusted, and;

2. the soil leveling device is provided with a leveling unit, wherein the leveling unit comprises a second motor, a second rotary table, a movable rod, a pressure rod and a leveling plate, the second motor drives the second rotary table to rotate, the second rotary table drives a second pin shaft to revolve, the second pin shaft drives the pressure rod to move downwards, the pressure rod drives the leveling plate to move downwards, the leveling plate presses soil at the edge of the leveling plate, and meanwhile, the second pin shaft drives the pressure rod to move in the horizontal direction to flatten and level the soil, so that a better leveling effect is achieved, and the working efficiency is improved;

3. the soil crushing unit comprises a hollow shaft, a driving mechanism for driving the hollow shaft to rotate, a fourth rotary disc, a third rotary disc, a second connecting rod, a supporting rod and a crushing blade, wherein the driving mechanism drives the hollow shaft to rotate, the hollow shaft drives the fourth rotary disc to rotate, the fourth rotary disc drives a movable block and a driving rod to revolve, the driving rod drives the supporting rod to swing and simultaneously reciprocate, the supporting rod drives the crushing blade on the supporting rod to synchronously move, a rack moves relative to a gear to drive the gear to rotate forward and backward, the gear drives the crushing blade to rotate forward and backward, soil is crushed at multiple angles, the rotating shaft is driven to reversely rotate by matching of a first bevel gear and a second bevel gear when the hollow shaft rotates, the rotating shaft drives the third rotary disc to reversely rotate, the third rotary disc drives the movable block to reciprocate through the second connecting rod, the movable block drives the driving, the soil crushing efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural view of a soil crushing unit in the first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Notations for reference numerals: 1-vehicle frame, 2-leveling plate, 3-second rotary table, 4-movable rod, 5-guide rod, 6-second pin shaft, 7-first pin shaft, 8-driving mechanism, 9-first bevel gear, 10-hollow shaft, 11-second bevel gear, 12-first rotary table, 13-first connecting rod, 14-mounting rod, 15-rotary tillage component, 16-supporting rod, 17-electric push rod, 18-crushing blade, 19-driven gear, 20-rack, 21-movable block, 22-second connecting rod, 23-third rotary table, 24-fourth rotary table, 25-press rod, 26-medicine box and 27-spray pipe.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1-2, in the embodiment of the present invention, a sweet potato planting land leveling device includes a frame 1, and a rotary tillage unit and a leveling unit mounted on the frame 1, in this embodiment, the rotary tillage unit includes a rotary tillage assembly 15, a first rotary plate 12, a first connecting rod 13 and mounting rods 14, three mounting rods 14 are spaced on the frame 1, the middle parts of the mounting rods 14 are rotatably connected with the frame 1, the bottom ends of the mounting rods 14 extend to the lower part of the frame 1 and are provided with the rotary tillage assembly 15, the upper parts of the mounting rods 14 are provided with a first through groove, a first motor is fixedly mounted on one side of the three mounting rods 14 on the frame 1, a first rotary plate 12 is fixedly mounted on an output shaft of the first motor, a first connecting rod 13 is eccentrically hinged on an end surface of the first rotary plate 12, one end of the first connecting rod 13 far away from the first rotary plate 12 is hinged to a sliding seat, a pin is fixedly arranged on the front side wall of the sliding seat and sequentially penetrates through the first through grooves on the three mounting rods 14, a positioning pin is arranged at one end of the pin, which is far away from the sliding seat, in a penetrating way to prevent the pin from being separated from the mounting rods 14, as shown in fig. 1, initially, the rotary tillage assemblies 15 on the three mounting bars 14 are all located above the soil, then a first motor is started, the first motor drives a first rotary table 12 to rotate, the first rotary table 12 drives a sliding seat to move, the sliding seat drives a pin to move, the pin drives three mounting rods 14 to rotate, three groups of rotary tillage assemblies 15 all enter soil, the three groups of rotary tillage components 15 are positioned at different depths, the rotary tillage operation is carried out on the soil layer by layer, the rotary tillage components 15 are effectively protected, the working efficiency is improved, the first rotary table 12 is driven to rotate at different angles by the first motor, the rotary tillage depth of the three groups of rotary tillage components 15 can be synchronously adjusted to meet different working requirements;

further, the leveling unit comprises a second motor, a second rotary table 3, a movable rod 4, a pressure rod 25 and a leveling plate, the second motor is fixedly installed on the frame, the second rotary table 3 is fixedly installed on an output shaft of the second motor, the front side of the second rotary table 3 is connected with the movable rod 4 in a matching manner, two ends of the movable rod 4 are movably penetrated with guide rods 5, the guide rods 5 are fixed on the frame 1, a second pin shaft 6 is eccentrically fixed on the front end surface of the second rotary table 3, a second through groove for the second pin shaft 6 to insert and move is formed in the movable rod 4, the movable rod 4 is connected with the pressure rod 25 in a sliding manner, in the embodiment, a convex block is arranged on the pressure rod 25, a groove in sliding fit with the convex block is formed in the movable rod 4, the top end of the pressure rod 25 extends into the second through groove and is rotatably connected with the second pin shaft 6, and a support rod is movably, the bottom end of the supporting rod is fixed with a leveling plate 2, a spring is sleeved between the leveling plate 2 and a pressure rod 25 on the supporting rod, two ends of the spring are respectively and fixedly connected with the leveling plate 2 and the pressure rod 25, when the leveling device is used, a second motor drives a second rotary table 3 to rotate, the second rotary table 3 drives a second pin shaft 6 to revolve, the second pin shaft 6 drives the pressure rod 25 to move downwards, the pressure rod 25 drives the leveling plate 2 to move downwards, the leveling plate 2 presses soil downwards, meanwhile, the second pin shaft 6 drives the pressure rod 25 to move in the horizontal direction, the soil is flattened and screeded, a better leveling effect is achieved, and the working efficiency is improved;

furthermore, in order to ensure the uniformity and refinement degree of soil, a soil breaking unit is arranged between the rotary tillage unit and the leveling unit, the soil breaking unit comprises a hollow shaft 10, a driving mechanism 8 for driving the hollow shaft 10 to rotate, a fourth rotary disc 24, a third rotary disc 23, a second connecting rod 22, a supporting rod 16 and a crushing blade 18, the hollow shaft 10 vertically penetrates through the frame 1 and is rotatably connected with the frame 1, the driving mechanism 8 is mounted on the frame 1 and is in driving connection with the hollow shaft 10, in the embodiment, the driving mechanism 8 is preferably a driving motor and a straight gear pair, the bottom end of the hollow shaft 10 is fixedly provided with the fourth rotary disc 24, a rotating shaft concentrically penetrates through the hollow shaft 10, the bottom end of the rotating shaft extends to the lower part of the fourth rotary disc 24 and is fixed with the third rotary disc 23, the top end of the rotating shaft extends to the upper part of the hollow shaft 10, and the rotating, a second bevel gear 11 engaged with the first bevel gear 9 is installed between the two first bevel gears 9, the second bevel gear 11 is rotatably installed on a support plate fixed on the frame 1, a movable block 21 is installed on the lower surface of the fourth rotary table 24 in a radial sliding manner, in this embodiment, a sliding groove for slidably connecting the movable block 21 is formed in the lower surface of the fourth rotary table 24, a second connecting rod 22 is eccentrically hinged to the lower end surface of the third rotary table 23, one end, away from the third rotary table 23, of the second connecting rod 22 is hinged to the movable block 21, a driving rod is fixed to the bottom of the movable block 21, a plurality of first pin shafts 7 are circumferentially and equidistantly fixed to the bottom of the frame 1 outside the fourth rotary table 24, a third through groove for the first pin shafts 7 to pass through and move is formed in the support rod 16, limiting rings are arranged on two sides of the first pin shafts 7, the support rod 16 is prevented from being separated, a rack 20 is slidably mounted on the support rod 16 in the third through groove, a through hole for the first pin 7 to pass through is formed in the rack 20, a driven gear 19 meshed with the rack 20 is rotatably mounted on one side of the rack 20 on the support rod 16, an electric push rod 17 is fixedly mounted at the bottom end of a mounting shaft of the driven gear 19, a crushing shaft is fixedly mounted at the bottom end of a telescopic rod of the electric push rod 17, a crushing blade 18 is fixedly mounted on the crushing shaft, when the crushing shaft works, a hollow shaft 10 is driven by a driving mechanism 8 to rotate, the hollow shaft 10 drives a fourth turntable 24 to rotate, the fourth turntable 24 drives a movable block 21 and a driving rod to revolve, the driving rod drives the support rod 16 to swing and reciprocate simultaneously, the support rod 16 drives the crushing blade 18 thereon to move synchronously, meanwhile, the rack 20 drives the gear to rotate positively and negatively relative to the gear movement, when the hollow shaft 10 rotates, the first bevel gear 9 and the second bevel gear 11 are matched to drive the rotating shaft to rotate reversely, the rotating shaft drives the third rotating disc 23 to rotate reversely, the third rotating disc 23 drives the movable block 21 to move back and forth through the second connecting rod 22, the movable block 21 drives the driving rod to move back and forth, the movement range of the supporting rod 16 is further expanded, and the soil crushing efficiency is improved.

Example 2

Referring to fig. 3, the embodiment of the present invention is different from embodiment 1 in that the present invention further includes a spraying unit, the spraying unit includes a medicine box 26 and a spray pipe 27, the medicine box 26 is fixed on the vehicle frame 1 and is used for preparing pesticide, rich water, and the like, the clear water can be filled without any limitation, the spray pipe 27 is installed at the bottom of the vehicle frame 1, a pump body is installed in the medicine box 26, and the pump body is connected with the spray pipe 27 through a water pipe, so that pesticide or fertilizer can be sprayed, and planting efficiency can be improved.

The working principle of the invention is as follows: as shown in fig. 1, initially, the rotary tillage assemblies 15 on the three mounting rods 14 are all located above soil, then a first motor is started, the first motor drives a first rotary plate 12 to rotate, the first rotary plate 12 drives a sliding seat to move, the sliding seat drives a pin to move, the pin drives the three mounting rods 14 to rotate, the three groups of rotary tillage assemblies 15 all enter the soil, the three groups of rotary tillage assemblies 15 are located at different depths, rotary tillage operation is performed on the soil in a layering manner, the working efficiency is improved while the rotary tillage assemblies 15 are effectively protected, the rotary tillage depths of the three groups of rotary tillage assemblies 15 can be synchronously adjusted by driving the first rotary plate 12 to rotate at different angles through the first motor, and different working requirements are met; the driving mechanism 8 drives the hollow shaft 10 to rotate, the hollow shaft 10 drives the fourth rotary table 24 to rotate, the fourth rotary table 24 drives the movable block 21 and the driving rod to revolve, the driving rod drives the supporting rod 16 to swing and simultaneously reciprocate, the supporting rod 16 drives the crushing blades 18 on the supporting rod to synchronously move, meanwhile, the rack 20 drives the gears to rotate forward and backward relative to the gear movement, the gears drive the crushing blades 18 to rotate forward and backward, soil is crushed at multiple angles, when the hollow shaft 10 rotates, the rotating shaft is driven to rotate backward through the cooperation of the first bevel gear 9 and the second bevel gear 11, the rotating shaft drives the third rotary table 23 to rotate backward, the third rotary table 23 drives the movable block 21 to reciprocate through the second connecting rod 22, the movable block 21 drives the driving rod to reciprocate, the movement range of the supporting rod 16 is; drive second carousel 3 through the second motor and rotate, second carousel 3 drives the revolution of second round pin axle 6, second round pin axle 6 drives depression bar 25 downstream, depression bar 25 drives screed 2 downstream, 2 limits of screed push down soil, second round pin axle 6 drives depression bar 25 and moves on the horizontal direction simultaneously, flatten and trowel soil, play better level and smooth effect, work efficiency has been improved, can spray pesticide or fertilizer through spraying the unit, help improving planting efficiency.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.