Rotary tillage ridging device

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a rotary tillage ridging device which is internally provided with a rotary tillage assembly, a ridging assembly, a ridge width adjusting assembly and a ridge height adjusting assembly, one end of the rotary tillage assembly is connected with traction equipment, and the other end of the rotary tillage assembly is rotationally connected with the first end of the ridging assembly; the ridging assembly comprises two bulldozing ends which are symmetrically arranged with the moving direction of the ridging assembly as the symmetry axis. The fixed end of the ridge width adjusting assembly is fixedly installed on the ridging assembly, and the movable end of the ridge width adjusting assembly is movably connected with the bulldozing end. The ridge height adjusting assembly is of a telescopic structure, and the two ends of the ridge height adjusting assembly are movably connected with the second end of the rotary tillage assembly and the second end of the ridging assembly respectively. Therefore, the movable end of the ridge width adjusting assembly can be moved according to the required ridge width, so that the gap width between the two bulldozing ends is the same as the ridge width; the length of the ridge height adjusting assembly can be adjusted according to the required ridge height, so that the ridging assembly rotates with the first end of the ridging assembly as the circle center, and the depth of the two bulldozing ends inserted into the ground is the same as the ridge height.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field especially relates to a rotary tillage ridging device. BACKGROUND

[0002] The whole ground ridging is a common agricultural planting mode, which creates suitable environment for crops by piling up soil to form ridge and ditch, and this method has the benefits of improving drainage, enhancing soil permeability, improving ground temperature and facilitating field management, and is suitable for planting potato, sweet potato, cucumber, tomato, cotton and tobacco.

[0003] The rotary tillage ridging machine is a kind of agricultural machinery integrating rotary tillage and ridging functions, the rotary tillage part is used for breaking up soil clods, removing weeds or stubble, and mixing surface soil with deep soil at the same time, and the ridging part is used for piling up the rotary tillage soil into a specific height and width ridge shape, and compacting the ridge to enhance stability. However, different crops have different requirements for ridge height and ridge width, and the existing rotary tillage ridging machine cannot adjust the ridge height and ridge width according to the requirements of crops, which leads to difficulty in meeting the requirements of different crops for different ridge widths and ridge heights in actual use. SUMMARY

[0004] Therefore, it is necessary to provide a rotary tillage ridging device, which can adjust the ridge width and ridge height according to the types of crops to meet the requirements of different crops for different ridge widths and ridge heights.

[0005] The utility model provides a rotary tillage ridging device, including rotary tillage subassembly, ridging subassembly, ridge width adjustment subassembly and ridge height adjustment subassembly, one end of rotary tillage subassembly and traction equipment are connected to under the drive of traction equipment rotary tillage soil is soft state convenient for ridging, and the other end is rotatably connected with the first end of ridging subassembly, the ridging subassembly includes two bulldozing ends that are symmetrically arranged with the moving direction of ridging subassembly as the symmetry axis, and is used for pushing the soil after rotary tillage to pile up into a ridge at the gap between the two bulldozing ends, the fixed end of ridge width adjustment subassembly is fixedly installed on ridging subassembly, and the movable end is movably connected with the bulldozing end respectively, and is used for adjusting the ridging width by adjusting the gap width of the two bulldozing ends, the ridge height adjustment subassembly is telescopic structure, and one end of ridge height adjustment subassembly is movably connected with rotary tillage subassembly, and the other end is movably connected with the second end of ridging subassembly, so as to adjust the ridging height by adjusting the height of ridging subassembly.

[0006] Preferably, the rotary tillage assembly comprises a rotary tillage frame, a power box, a transmission shaft, two rotary tillage rods, a plurality of tillage blades and a connecting support, the power box is installed at the middle part of the rotary tillage frame and extends into the rotary tillage frame, one end of the transmission shaft is connected with the traction device and the other end is connected with the input end of the power box for providing power to the power box, one end of each of the two rotary tillage rods is connected with the output end at the two sides of the bottom of the power box and the other end is rotatably connected with the rotary tillage frame, each tillage blade is uniformly installed on the two rotary tillage rods to turn over the soil with the rotary tillage rods, the connecting support is installed at the top end of the rotary tillage frame for connecting with the traction device to drive the rotary tillage assembly to move.

[0007] Preferably, the ridging assembly comprises a ridging frame and two scrapers, the first end of the ridging frame is rotatably connected with the rotary tillage frame, and the two scrapers are rotatably installed at the two sides of the bottom surface of the ridging frame.

[0008] Preferably, the two scrapers can be combined into a large scraper for scraping the ground flat, the ridging assembly further comprises a connecting plate, the connecting plate is installed on any one of the scrapers and located at the end of the scraper facing the other scraper, so as to block the gap between the two scrapers through the connecting plate when the two scrapers are combined into the large scraper.

[0009] Preferably, the ridging width adjusting assembly comprises an adjusting rod and two connecting rods, the adjusting rod is installed on the ridging frame, one end of each of the two connecting rods is slidably installed on the adjusting rod and the other end is connected with the two scrapers respectively for rotating the two scrapers respectively, so as to adjust the size of the gap between the two scrapers by rotating the two scrapers respectively through sliding the two connecting rods along the adjusting rod.

[0010] Preferably, the ridging width adjusting assembly further comprises a sliding member, the sliding member is slidably installed on the adjusting rod, one end of each of the two connecting rods is rotatably connected with the sliding member and the other end is rotatably connected with the two scrapers respectively, so as to rotate the two scrapers with the sliding member on the adjusting rod.

[0011] Preferably, the ridging width adjusting assembly further comprises two fixing frames, the two fixing frames are fixedly installed on the first end and the second end of the ridging frame respectively, the two ends of the adjusting rod are rotatably installed on the two fixing frames respectively, the adjusting rod is provided with a thread, the sliding member is threadedly connected with the adjusting rod, and one end of the adjusting rod located at the second end of the ridging frame is provided with a handle to move the sliding member on the adjusting rod by rotating the handle, so as to rotate the two scrapers.

[0012] Preferably, the ridge height adjusting assembly comprises a first adjusting frame, a second adjusting frame and a telescopic set, the bottom surface of the first adjusting frame is mounted on the top surface of the rotary tillage frame, the bottom surface of the second adjusting frame is mounted on the top surface of the second end of the ridging frame, and the two ends of the telescopic set are connected with the first adjusting frame and the second adjusting frame respectively, so as to pull the second adjusting frame by adjusting the telescopic amount of the telescopic set, thereby pulling the ridging frame to rotate with the first end of the ridging frame as the center.

[0013] Preferably, the telescopic set comprises a sleeve rod and two telescopic rods, one end of each of the two telescopic rods is rotatably connected with the first adjusting frame and the second adjusting frame respectively, the other end of each of the two telescopic rods is threadedly connected with the sleeve rod, and the thread directions of the two telescopic rods connected with the sleeve rod are opposite, so that the two telescopic rods are synchronously extended or retracted when the sleeve rod is rotated.

[0014] The rotary tillage ridging device described above is provided with a rotary tillage assembly, a ridging assembly, a ridge width adjusting assembly and a ridge height adjusting assembly, one end of the rotary tillage assembly is connected with the traction equipment, so as to till the soil into a soft state suitable for ridging under the transmission of the traction equipment, and the other end is rotatably connected with the first end of the ridging assembly; the ridging assembly comprises two bulldozing ends symmetrically arranged with the moving direction of the ridging assembly as the axis of symmetry, for pushing the tilled soil to pile up into ridges at the gap between the two bulldozing ends; the fixed end of the ridge width adjusting assembly is fixedly mounted on the ridging assembly, and the movable end is movably connected with the bulldozing ends respectively, for adjusting the ridging width by adjusting the gap width of the two bulldozing ends; the ridge height adjusting assembly is of telescopic structure, and one end of the ridge height adjusting assembly is movably connected with the rotary tillage assembly, and the other end is movably connected with the second end of the ridging assembly, for adjusting the ridging height by adjusting the height of the ridging assembly. In this way, before the ridging operation is performed by the rotary tillage ridging device, the ridge width and the ridge height required for ridging are determined according to the type of crops, then the gap width of the two bulldozing ends is made the same as the ridge width by moving the movable end of the ridge width adjusting assembly according to the ridge width required by the crops, and then the length of the ridge height adjusting assembly is adjusted according to the ridge height required by the crops, so that the ridging assembly rotates with the first end as the center to adjust the depth of the two bulldozing ends inserted into the ground, so that the depth of the two bulldozing ends inserted into the ground is the same as the ridge height. In this way, the ridges piled up by the two bulldozing ends of the rotary tillage ridging device provided by the present solution can have the ridge height and the ridge width adjusted according to the requirements, thereby meeting the requirements of different crops for different ridge widths and ridge heights. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the oblique perspective view of the rotary tillage ridging device of the present application.

[0016] Figure 2 is the oblique bottom view of the rotary tillage assembly of the present application.

[0017] Figure 3 is the oblique perspective view of the ridging assembly of the present application.

[0018] Figure 4 is an oblique view of the ridge width adjustment assembly of the present application.

[0019] Figure 5 is an oblique view of the ridge height adjustment assembly of the present application. Figure 4 is a partial enlarged view of area A in the figure.

[0020] Figure 6 is an oblique view of the ridge width adjustment assembly of the present application.

[0021] In the figure: rotary tillage ridge forming device 10, rotary tillage assembly 20, rotary tillage frame 21, power box 22, transmission shaft 23, rotary tillage rod 24, tillage blade 25, connecting support 26, ridge forming assembly 30, ridge forming frame 31, scraper 32, connecting plate 33, ridge width adjustment assembly 40, adjustment rod 41, connecting rod 42, sliding piece 43, fixing frame 44, rotating handle 45, ridge height adjustment assembly 50, first adjustment frame 51, telescopic group 52, sleeve rod 521, telescopic rod 522, second adjustment frame 53. DETAILED DESCRIPTION

[0022] The technical scheme and technical effects of the embodiments of the present application are further described in detail below in combination with the drawings of the present application.

[0023] Please refer to Figure 1The utility model provides a kind of rotary tillage ridging device 10, including rotary tillage subassembly 20, ridging subassembly 30, ridge width adjustment subassembly 40 and ridge height adjustment subassembly 50, one end of rotary tillage subassembly 20 and traction equipment connection, for example, tractor, to under the transmission of traction equipment, soil rotary tillage is soft state for easy ridging, the other end is rotatably connected with the first end of ridging subassembly 30, to drive ridging subassembly 30 to move in field, ridging subassembly 30 includes two bulldozing ends that are symmetrically arranged with the moving direction of ridging subassembly 30 as symmetry axis, for pushing the soil after rotary tillage to be piled into ridge at the clearance of two bulldozing ends;The fixed end of ridge width adjustment subassembly 40 is fixedly installed on ridging subassembly, and movable end is movably connected with bulldozing end respectively, for adjusting the ridging width by adjusting the gap width of two bulldozing ends;Ridge height adjustment subassembly 50 is telescopic structure, and one end of ridge height adjustment subassembly 50 is movably connected with rotary tillage subassembly 20, and the other end is movably connected with the second end of ridging subassembly 30, to adjust the ridging height by adjusting the height of ridging subassembly 30;Thus, before ridging operation by rotary tillage ridging device 10, the ridge width and ridge height required to be ridged are determined according to the type of crop first, then the gap width of two bulldozing ends is made same with ridge width by moving movable end of ridge width adjustment subassembly 40 according to the ridge width required by crop;Then, the length of ridge height adjustment subassembly 50 is adjusted according to the ridge height required by crop, so that ridging subassembly 30 rotates with its first end as center, to adjust the depth of two bulldozing ends inserted into ground, so that the depth of two bulldozing ends inserted into ground is same with ridge height. Thus, the ridge piled by two bulldozing ends of the rotary tillage ridging device 10 provided by the present scheme, its ridge height and ridge width can be adjusted according to demand, to meet the demand of different crops to different ridge width and ridge height.

[0024] Please refer to Figure 2 Further, rotary tillage subassembly 20 includes rotary tillage frame 21, power box 22, transmission shaft 23, two rotary tillage rods 24, several ploughs 25 and connecting bracket 26, power box 22 is installed in the middle of rotary tillage frame 21, and bottom extends into below rotary tillage frame 21, one end of transmission shaft 23 is connected with traction equipment, for example, tractor, and the other end is connected with the input end of power box 22, for providing kinetic energy for power box 22, one end of two rotary tillage rods 24 is connected with the output end of power box 22 on both sides of bottom, and the other end is rotatably connected with rotary tillage frame 21, each plough 25 is evenly installed on two rotary tillage rods 24, to turn over soil along with the rotation of rotary tillage rod 24, connecting bracket 26 is installed on the top end of rotary tillage frame 21, for being connected with traction equipment, so that traction equipment drives rotary tillage subassembly 20 to move;Thus, rotary tillage subassembly 20 can move in field under the pulling of traction equipment, at the same time, soil block is broken and soil is turned over by plough 25, to change soil into soft state for easy ridging, to facilitate ridging subassembly 30 to ridge.

[0025] Please refer to Figure 3Further, the ridging assembly 30 comprises a ridging frame 31 and two scrapers 32, the first end of the ridging frame 31 is rotatably connected with the rotary tillage frame 21, and the two scrapers 32 are rotatably installed on the bottom surface of the ridging frame 31 on both sides, so that the gap width of the two scrapers 32 can be adjusted by rotating the two scrapers 32, thereby adjusting the ridge width.

[0026] In the embodiment, the first end of the ridging frame 31 and the rotary tillage frame 21 are rotatably connected by a pin shaft.

[0027] Further, the two scrapers 32 can be combined into a large scraper for scraping the ground flat, and the ridging assembly 30 further comprises a connecting plate 33, which is installed on any one of the scrapers 32 and located at the end of the scraper 32 facing the other scraper 32, so as to block the gap between the two scrapers 32 when the two scrapers 32 are combined into a large scraper; in this way, when the field is being flattened, there is no need to use other tools for flattening operation, and by providing the connecting plate 33, the soil can be prevented from leaking out of the gap between the two scrapers 32, ensuring the flatness of the scraped ground.

[0028] Please refer to Figure 4 Further, the ridge width adjusting assembly 40 comprises an adjusting rod 41 and two connecting rods 42, the adjusting rod 41 is installed on the ridging frame 31, one end of the two connecting rods 42 is slidably installed on the adjusting rod 41, and the other end is respectively connected with the two scrapers 32 for rotating the two scrapers 32 respectively, so as to adjust the size of the gap between the two scrapers 32 by sliding the two connecting rods 42 along the adjusting rod 41.

[0029] Please refer to Figure 4 Further, the ridge width adjusting assembly 40 further comprises a sliding piece 43, the sliding piece 43 is slidably installed on the adjusting rod 41, one end of the two connecting rods 42 is rotatably connected with the sliding piece 43, and the other end is respectively rotatably connected with the two scrapers 32, so as to rotate the two scrapers 32 with the sliding piece 43 rotating on the adjusting rod 41.

[0030] In the embodiment, the connecting rod 42 and the scraper 32 are directly rotatably connected by a pin shaft.

[0031] In one embodiment, the adjusting rod 41 is uniformly provided with a plurality of adjusting holes, the sliding piece 43 is sleeved on the adjusting rod, and the sliding piece 43 is provided with a fixing hole, so as to adjust the position of the sliding piece 43 on the adjusting rod 41 by fixedly connecting the fixing hole with different adjusting holes.

[0032] Please refer to Figure 4 and Figure 5In an embodiment, the ridge width adjusting assembly 40 further comprises two fixing frames 44, which are respectively fixedly installed on the first end and the second end of the ridging frame 31, and the two ends of the adjusting rod 41 are respectively rotatably installed on the two fixing frames 44. The adjusting rod 41 is provided with threads, the sliding piece 43 is threadedly connected with the adjusting rod 41, and one end of the adjusting rod 41 located at the second end of the ridging frame 31 is provided with a handle 45, so that the sliding piece 43 is moved on the adjusting rod 41 by rotating the handle 45, thereby driving the two scrapers 32 to rotate. Compared with the above-mentioned adjusting mode of fixedly connecting the fixing holes with the different adjusting holes, the sliding piece 43 is slidably installed on the adjusting rod 41 by the thread connection, so that the sliding piece 43 can stay at any position on the adjusting rod 41. Thus, when the angle of the two scrapers 32 is adjusted by the sliding piece 43, a larger adjusting range and higher adjusting precision can be achieved, so that the gap width of the two scrapers 32 is more consistent with the required ridge width of the crops.

[0033] In the embodiment, the sliding piece 43 is slid towards the first end of the ridging frame 31, so that the gap width of the two scrapers 32 can be reduced; and the sliding piece 43 is slid towards the second end of the ridging frame 31, so that the gap width of the two scrapers 32 can be expanded.

[0034] Please refer to Figure 6 Further, the ridge height adjusting assembly 50 comprises a first adjusting frame 51, a second adjusting frame 53 and a telescopic set 52. The bottom surface of the first adjusting frame 51 is installed on the top surface of the rotary tillage frame 21, the bottom surface of the second adjusting frame 53 is installed on the top surface of the second end of the ridging frame 31, and the two ends of the telescopic set 52 are respectively connected with the first adjusting frame 51 and the second adjusting frame 53, so as to pull the second adjusting frame 53 by adjusting the telescopic length of the telescopic set 52, thereby driving the ridging frame 31 to rotate with the first end of the ridging frame 31 as the center.

[0035] In the embodiment, the bottom surface of the second adjusting frame 53 can be installed at any position on the top surface of the ridging frame 31 along the moving direction of the ridging frame 31, and the closer the bottom surface of the second adjusting frame 53 is to the second end of the ridging frame 31, the smaller the telescopic length of the telescopic set 52 is required to drive the ridging frame 31 to rotate by the same angle. Therefore, it is the most preferred that the bottom surface of the second adjusting frame 53 is installed on the top surface of the second end of the ridging frame 31.

[0036] Further, the telescopic set 52 comprises a sleeve rod 521 and two telescopic rods 522. One end of each of the two telescopic rods 522 is rotatably connected with the first adjusting frame 51 and the second adjusting frame 53, and the other end of each of the two telescopic rods 522 is threadedly connected with the sleeve rod 521. The thread directions of the two telescopic rods 522 and the sleeve rod 521 are opposite, so that the two telescopic rods 522 are synchronously extended or retracted when the sleeve rod 521 is rotated, thereby facilitating the operator to adjust the total length of the telescopic set 52.

[0037] In the embodiment, the sleeve rod 521 is a bidirectional screw structure, clockwise rotation of the sleeve rod 521 can make the two telescopic rods 522 extend, and counterclockwise rotation of the sleeve rod 521 can make the two telescopic rods 522 retract.

[0038] In the embodiment, the ridge forming assembly 30 can be completely separated from the ground by the ridge height adjusting assembly 50, so that only the rotary tillage operation is performed.

[0039] Example 1, steps for using the rotary tillage ridge forming device 10

[0040] 1. Determine the corresponding ridge width and ridge height according to the type of crops;

[0041] 2. Rotate the sleeve rod 521 to make the two telescopic rods 522 extend or retract, so as to rotate the ridge frame 31 and adjust the depth of the two scrapers 32 inserted into the ground to meet the ridge height requirement; if the ridge height needs to be raised, rotate the sleeve rod 521 clockwise to make the two telescopic rods 522 extend, and lower the ridge frame 31; if the ridge height needs to be lowered, rotate the sleeve rod 521 counterclockwise to make the two telescopic rods 522 retract, and raise the ridge frame 31;

[0042] 3. Rotate the handle 45 to make the sliding member 43 rotate the two scrapers 32 to adjust the gap width of the two scrapers 32 to meet the ridge width requirement; if the ridge width needs to be expanded, move the sliding member 43 to the second end of the ridge frame 31 to increase the gap width of the two scrapers 32; if the ridge width needs to be reduced, move the sliding member 43 to the first end of the ridge frame 31 to reduce the gap width of the two scrapers 32;

[0043] 4. Connect the transmission shaft 23 and the connecting bracket 26 of the rotary tillage assembly 20 with the traction equipment respectively;

[0044] 5. Pull the rotary tillage ridge forming device 10 in the field by the traction equipment to perform rotary tillage ridge forming operation.

[0045] Example 2, steps for performing scraping operation by the rotary tillage ridge forming device 10

[0046] 1. Rotate the handle 45 to move the sliding member 43 to the first end of the ridge frame 31, gradually reduce the gap width of the two scrapers 32, and make the two scrapers 32 contact each other to combine the two scrapers 33 into a large scraper;

[0047] 2. Turn the sleeve rod 521, make two telescopic rods 522 stretch out or retract, adjust the height of the large scraper from the ground, make the bottom end of the large scraper flush with the ground; if the bottom end of the large scraper is higher than the ground, turn the sleeve rod 521 clockwise, make two telescopic rods 522 stretch out, lower the height of the ridging frame 31, until the bottom end of the large scraper is flush with the ground; if the bottom end of the large scraper is inserted into the ground, turn the sleeve rod 521 counterclockwise, make two telescopic rods 522 retract, raise the height of the ridging frame 31, until the bottom end of the large scraper is flush with the ground;

[0048] 3. Connect the transmission shaft 23 and the connecting bracket 26 of the rotary tillage assembly 20 with the traction equipment respectively;

[0049] 5. Pull the rotary tillage and ridging device 10 in the field to carry out the scraping operation by the traction equipment.

[0050] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rotary tillage and ridging device characterized by, The invention relates to a rower, which comprises a rotary tiller assembly, a ridger assembly, a ridge width adjusting assembly and a ridge height adjusting assembly. One end of the rotary tiller assembly is connected with a traction device to rotate the soil into a soft state for ridge formation under the drive of the traction device. The other end of the rotary tiller assembly is rotatably connected with the first end of the ridger assembly. The ridger assembly comprises two earth pushing ends symmetrically arranged with respect to the moving direction of the ridger assembly. The two earth pushing ends are used to push the soil after rotary tiller to form a ridge at the gap between the two earth pushing ends. The fixed end of the ridge width adjusting assembly is fixedly installed on the ridger assembly. The movable end of the ridge width adjusting assembly is movably connected with the earth pushing ends. The ridge width adjusting assembly is used to adjust the ridge width by adjusting the gap width between the two earth pushing ends. The ridge height adjusting assembly is a telescopic structure. One end of the ridge height adjusting assembly is movably connected with the rotary tiller assembly. The other end of the ridge height adjusting assembly is movably connected with the second end of the ridger assembly. The ridge height adjusting assembly is used to adjust the ridge height by adjusting the height of the ridger assembly.

2. The rolling hiller of claim 1 wherein, The rotary tiller assembly comprises a rotary tiller frame, a power box, a transmission shaft, two rotary tiller rods, a plurality of tillers and a connecting bracket. The power box is installed in the middle of the rotary tiller frame. The bottom of the power box extends below the rotary tiller frame. One end of the transmission shaft is connected with the traction device. The other end of the transmission shaft is connected with the input end of the power box to provide power for the power box. One end of each of the two rotary tiller rods is connected with the output end on the two sides of the bottom of the power box. The other end of each of the two rotary tiller rods is rotatably connected with the rotary tiller frame. Each tiller is uniformly installed on the two rotary tiller rods to turn over the soil with the rotation of the rotary tiller rods. The connecting bracket is installed on the top end of the rotary tiller frame to connect with the traction device to drive the rotary tiller assembly to move.

3. The rolling hiller of claim 2 wherein, The ridger assembly comprises a ridger frame and two scrapers. The first end of the ridger frame is rotatably connected with the rotary tiller frame. The two scrapers are rotatably installed on the two sides of the bottom surface of the ridger frame.

4. The rolling hiller of claim 3 wherein, The two scrapers can be combined into a large scraper to scrape the ground. The ridger assembly further comprises a connecting plate. The connecting plate is installed on any one of the scrapers and located at the end of the scraper facing the other scraper. When the two scrapers are combined into a large scraper, the connecting plate is used to block the gap between the two scrapers.

5. The rolling hiller of claim 3 wherein, The ridge width adjusting assembly comprises an adjusting rod and two connecting rods. The adjusting rod is installed on the ridger frame. One end of each of the two connecting rods is slidably installed on the adjusting rod. The other end of each of the two connecting rods is connected with the two scrapers respectively to rotate the two scrapers respectively. The gap between the two scrapers is adjusted by rotating the two scrapers respectively through sliding the two connecting rods along the adjusting rod.

6. The rolling hiller of claim 5 wherein, The ridge width adjusting assembly further comprises a sliding member. The sliding member is slidably installed on the adjusting rod. One end of each of the two connecting rods is rotatably connected with the sliding member. The other end of each of the two connecting rods is rotatably connected with the two scrapers respectively to rotate the two scrapers with the rotation of the sliding member on the adjusting rod.

7. The rolling hiller of claim 6 wherein, The ridge width adjusting assembly further comprises two fixed frames. The two fixed frames are fixedly installed on the first end and the second end of the ridger frame respectively. The two ends of the adjusting rod are rotatably installed on the two fixed frames respectively. The adjusting rod is provided with threads. The sliding member is threadedly connected with the adjusting rod. One end of the adjusting rod located at the second end of the ridger frame is provided with a handle to move the sliding member on the adjusting rod by rotating the handle to rotate the two scrapers.

8. The rolling hiller of claim 3 wherein, The ridge height adjusting assembly comprises a first adjusting frame, a second adjusting frame and a telescopic set, the bottom surface of the first adjusting frame is installed on the top surface of the rotary tillage frame, the bottom surface of the second adjusting frame is installed on the top surface of the second end of the ridging frame, and the two ends of the telescopic set are connected with the first adjusting frame and the second adjusting frame respectively, so as to pull the second adjusting frame by adjusting the telescopic amount of the telescopic set, thereby pulling the ridging frame to rotate with the first end of the ridging frame as the center.

9. The rolling hiller of claim 8, wherein, The telescopic set comprises a sleeve rod and two telescopic rods, one end of the two telescopic rods is rotatably connected with the first adjusting frame and the second adjusting frame respectively, the other end of the two telescopic rods is threadedly connected with the sleeve rod, and the thread directions of the two telescopic rods and the sleeve rod are opposite, so that the two telescopic rods are synchronously extended or retracted when the sleeve rod is rotated.

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