CN216752658U - Single-ridge profiling compacting machine - Google Patents
Single-ridge profiling compacting machine Download PDFInfo
- Publication number
- CN216752658U CN216752658U CN202220249227.XU CN202220249227U CN216752658U CN 216752658 U CN216752658 U CN 216752658U CN 202220249227 U CN202220249227 U CN 202220249227U CN 216752658 U CN216752658 U CN 216752658U
- Authority
- CN
- China
- Prior art keywords
- frame
- main
- support
- swing
- hinged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000006835 compression Effects 0.000 claims abstract 10
- 238000007906 compression Methods 0.000 claims abstract 10
- 230000002146 bilateral effect Effects 0.000 claims abstract 8
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 8
- 241001131688 Coracias garrulus Species 0.000 claims 13
- 238000003825 pressing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009331 sowing Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 6
- 238000005056 compaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Landscapes
- Soil Working Implements (AREA)
Abstract
The utility model discloses a single-ridge profiling compacting machine, and aims to provide a single-ridge profiling compacting machine which is compact in structure, good in compacting effect and convenient to transport. Two these flank framves set up on this traction frame along horizontal bilateral symmetry, and crisscross equidistant roll ground setting side compression roller around on two these flank framves, and this traction frame includes main longitudinal beam, spacing corbel, main front-axle beam, main back-axle beam, tail-boom, sets up spacing corbel, main front-axle beam, main back-axle beam, tail-boom by preceding to back along horizontal bilateral symmetry in proper order on this main longitudinal beam, sets up a middle compression roller on this main front-axle beam, and bilateral symmetry sets up two middle compression rollers on this main back-axle beam, three middle compression roller is the configuration of spirit article font, and this land wheel assembly sets up on the tail-axle beam. The utility model is suitable for flat land pressing and ridge pressing operation before and after sowing.
Description
Technical Field
The utility model belongs to agricultural soil compacting machinery, and particularly relates to a single-ridge profiling compacting machine.
Background
The roller is an indispensable machine tool in the whole process mechanization of the production of crops such as corn, soybean and the like, is suitable for land preparation before sowing or flat land pressing and ridge pressing after sowing, and achieves the effects of sealing, lifting and preserving soil moisture. The existing roller is designed to have a roller transversely disposed on the overall rigid frame. The wide roller is provided with a plurality of sets of rollers along the transverse direction on the rigid frame. The technical scheme has the following defects: firstly, the rack is rigid and can not be folded, the width size is large, and the transportation is inconvenient; and secondly, each set of compacting roller is fixedly arranged on the frame, cannot profile along with the uneven ground and the height of the ridge, has uneven compaction, even leakage, bias and dragging, and has poor compacting effect.
Disclosure of Invention
The utility model aims to solve the problems and provides a single-ridge profiling compacting machine which is compact in structure, good in compacting effect and convenient to transport.
In order to achieve the purpose, the utility model adopts the following technical scheme: the single-ridge profiling compacting machine comprises a traction frame, a traction beam arranged at the front end of the traction frame, a ground wheel assembly arranged at the rear end of the traction frame, side wing frames, middle compacting rollers and side compacting rollers, wherein the two side wing frames are horizontally and bilaterally symmetrically arranged on the traction frame along the transverse direction, the side compacting rollers are arranged on the two side wing frames in a front-back staggered and equidistant rolling manner, the traction frame comprises a main longitudinal beam, a limiting support beam, a main front beam, a main rear beam and a tail beam, the main longitudinal beam is sequentially and bilaterally symmetrically arranged on the main longitudinal beam from front to back along the transverse direction, the limiting support beam, the main front beam, the main rear beam and the tail beam are arranged on the main front beam, the middle compacting rollers are arranged on the main rear beam in a bilaterally symmetrical manner, the three middle compacting rollers are arranged in a horizontal delta shape, and the ground wheel assembly is arranged on the tail beam.
As a preferable scheme of the utility model, the side wing frame consists of a portal frame, a side swinging frame, a standing frame, a folding oil cylinder, a standing oil cylinder, a swinging oil cylinder, a driving arm, an upper support, a lower support, an end beam, a clamping plate and a vertical shaft, wherein the side swinging frame, the standing frame and the folding frame are designed into transversely parallel front and rear beam structures, the front and rear beams of the side swinging frame are correspondingly hinged with the ends of the front and rear beams of the standing frame, the front and rear beams of the standing frame are correspondingly hinged with the ends of the front and rear beams of the folding frame, the standing oil cylinder is transversely hinged between the side swinging frame and the standing frame, the folding oil cylinder is transversely hinged between the standing frame and the folding frame, the side swinging frame is transversely arranged at the middle position, the upper support is horizontally arranged on the main longitudinal beam, the lower support is horizontally arranged on the main rear beam, the vertical shaft is vertically arranged between the upper support and the lower support, one end of the driving arm is fixedly arranged on the end beam of the side swinging frame, the middle position of the driving arm is hinged with the vertical shaft, the left side surface and the right side surface of the main longitudinal beam are respectively provided with an ear seat, the other end of the driving arm is hinged with the swing oil cylinder between the ear seats, clamping plates are horizontally symmetrically arranged on the main back beam in a horizontal U shape, and the back beam of the side swing frame is clamped in the clamping plates.
As a preferred embodiment of the present invention, the main front beam, the main rear beam, the side swing frame, the upright frame, and the folding frame are respectively provided with a profiling mechanism, the profiling mechanism is composed of a support arm, a support, a swing arm, a profiling spring, and a limit rod, the support arm and the support are respectively fixed on the main front beam, the main rear beam, the side swing frame, the upright frame, and the folding frame horizontally and backwardly symmetrically with respect to the longitudinal center line of the middle press beam and the side press roller, the upper end of the swing arm is hinged to the support, the middle press roller and the side press roller are respectively arranged at the lower end of the corresponding swing arm in a rolling manner, the profiling spring is arranged between the rear end of the support arm and the lower end of the swing arm, and the limit rod is arranged on the support below the swing arm.
As a preferred scheme of the present invention, the land wheel assembly includes a land wheel frame, land wheels, and a lift cylinder, the land wheel frame is U-shaped, a U-shaped cross beam of the land wheel frame is hinged to the tail beam, two land wheels are respectively arranged at the rear ends of a U-shaped left longitudinal beam and a U-shaped right longitudinal beam of the land wheel frame in a rolling manner, the tail beam is provided with a front plate seat corresponding to the left longitudinal beam and the right longitudinal beam, the left longitudinal beam and the right longitudinal beam are provided with a rear plate seat, and the lift cylinder is hinged between the front plate seat and the rear plate seat.
Due to the adoption of the technical scheme, compared with the prior art, the single-ridge profiling compacting machine provided by the utility model has the following beneficial effects:
the utility model is corresponding to the middle press roller and the side press roller, the main front beam, the main rear beam, the side swing frame, the erection frame and the folding frame are respectively provided with a profiling mechanism, the middle press roller and the side press roller are respectively arranged at the lower end of the corresponding swing arm in a rolling way, a profiling spring is arranged between the rear end of the support arm and the lower end of the swing arm, the soil can be compacted on the flat ground and the ridge platform during operation, each middle press roller and each side press roller respectively correspond to a ridge during ridge culture mode, one press roller is arranged on the ridge platform surface, the press rollers are profiled along with the concave and convex of the flat ground and the height of the ridge platform, thereby realizing real soil compaction, being suitable for soil moisture and pressing, realizing uniform ridge platform compaction, not destroying ridge types and achieving the effects of sealing, lifting and preserving soil moisture. During field transfer during or after operation, the folding oil cylinder, the erecting oil cylinder and the swinging oil cylinder are sequentially controlled to enable the folding frame to be folded for 90 degrees, the erecting frame to be erected for 90 degrees is supported on the portal frame, the side swinging frame swings forwards for 90 degrees under the action of the swinging oil cylinder to be folded with the main longitudinal beam of the traction frame, the transverse width of the roller is greatly narrowed, and the passing performance of several groups of transfer transportation is improved. The effect of compact structure, good suppression effect and convenient transportation is obtained.
Drawings
FIG. 1 is a front view of the configuration of the single-ridge profiling compactor of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion of I in FIG. 2;
FIG. 5 is an enlarged view of a portion II of FIG. 3;
FIG. 6 is a partial cross-sectional view taken along line B-B of FIG. 2;
FIG. 7 is a partial cross-sectional view taken along line C-C of FIG. 2;
FIG. 8 is a partial cross-sectional view taken along line D-D of FIG. 2;
fig. 9 is a schematic view of the folded transportation state of the single-ridge profiling compactor of the utility model.
In the figure: a traction frame 1; a main front beam 2; a main rear beam 3; a middle press roll 4; a gantry 5; a side swing frame 6; a erection frame 7; a folding leg 8; a side press roller 9; a folding cylinder 10; erecting an oil cylinder 11; a tail boom 12; a ground wheel frame 13; a ground wheel 14; a lift cylinder 15; a swing cylinder 16; a driving arm 17; an upper support 18; a lower support 19; an end beam 20; a limit support beam 21; a trailing beam 22; a chucking plate 23; a support arm 24; a support 25; a swing arm 26; a contour spring 27; a stopper rod 28; and a vertical shaft 29.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
as shown in fig. 1, 2 and 3, a schematic structural diagram of a preferred embodiment of the single-ridge profiling roller of the utility model is provided, which comprises a traction frame 1, a traction beam 22 arranged on the front end of the traction frame 1, a land wheel assembly arranged on the rear end of the traction frame 1, and further comprises two wing frames, a middle roller press 4, and a side roller press 9, wherein the two wing frames are horizontally and bilaterally symmetrically arranged on the traction frame 1 along the transverse direction, the side roller presses 9 are arranged on the two wing frames in a front-back staggered and equal-interval rolling manner, the traction frame 1 comprises a main longitudinal beam, a limiting support beam 21, a main front beam 2, a main rear beam 3 and a tail beam 12, the limiting support beam 21, the main front beam 2, the main rear beam 3 and the tail beam 12 are sequentially and bilaterally symmetrically arranged on the transverse direction from front to rear along the transverse direction, the main front beam 2 is provided with the middle roller press 4, the main rear beam 3 is provided with the two middle roller press 4, the three middle press rolls 4 are arranged in a horizontal triangle shape, and the land wheel assembly is arranged on the tail beam 12.
As a preferred embodiment of the present invention, as shown in fig. 1, 2, 3 and 4, the wing frame is composed of a portal frame 5, a side swing frame 6, a vertical frame 7, a folding frame 8, a folding cylinder 10, a vertical cylinder 11, a swing cylinder 16, a driving arm 17, an upper support 18, a lower support 19, an end beam 20, a catch plate 23 and a vertical shaft 29, the side swing frame 6, the vertical frame 7 and the folding frame 8 are designed into a transversely parallel front and rear beam structure, the front and rear beams of the side swing frame 6 are hinged with the front and rear beam ends of the vertical frame 7 correspondingly, the front and rear beams of the vertical frame 7 are hinged with the front and rear beam ends of the folding frame 8 correspondingly, the vertical cylinder 11 is hinged between the side swing frame 6 and the vertical frame 7 along the transverse direction, the folding cylinder 10 is hinged between the vertical frame 7 and the folding frame 8 along the transverse direction, the portal frame 5 is arranged at the transverse middle position of the side swing frame 6, the upper support 18 is horizontally arranged on the main longitudinal beam, the lower support 19 is horizontally arranged on the main back beam 3, the vertical shaft 29 is vertically arranged between the upper support 18 and the lower support 19, one end of the driving arm 17 is fixedly arranged on the end beam 20 of the side swing frame 6, the middle position of the driving arm 17 is hinged with the vertical shaft 29, the left side surface and the right side surface of the main longitudinal beam are respectively provided with an ear seat, the swing oil cylinder 16 is hinged between the other end of the driving arm 17 and the ear seats, the main back beam 3 is horizontally and symmetrically provided with clamping plates 23, and the clamping plates 23 are in a horizontal U shape, so that the back beam of the side swing frame 6 is clamped in the clamping plates 23.
As a preferred embodiment of the present invention, as shown in fig. 1, 2 and 3, in correspondence with the intermediate press roller 4 and the side press roller 9, profiling mechanisms are provided on the main front beam 2, the main rear beam 3, the side swing frame 6, the upright frame 7 and the folding frame 8, respectively, in fig. 5, 6, 7 and 8, the profiling mechanisms are composed of an arm 24, a support 25, a swing arm 26, a profiling spring 27 and a stopper rod 28, the arm 24 and the support 25 are horizontally and rearwardly fixed to the main front beam 2, the main rear beam 3, the side swing frame 6, the upright frame 7 and the folding frame 8 symmetrically with respect to the longitudinal center line of the intermediate press roller 4 and the side press roller 9, respectively, the upper end of the swing arm 26 is hinged to the support 25, the intermediate press roller 4 and the side press roller 9 are provided at the lower end of the corresponding swing arm 26 in a rolling manner, the profiling spring 27 is provided between the rear end of the arm 24 and the lower end of the swing arm 26, under the swing arm 26, a limit lever 28 is provided on the support 25.
As a preferred embodiment of the present invention, as shown in fig. 1, 2 and 3, the land wheel assembly includes a land wheel frame 13, land wheels 14 and a lift cylinder 15, the land wheel frame 13 is U-shaped, a U-shaped cross beam of the land wheel frame 13 is hinged to the tail beam 12, two land wheels 14 are respectively arranged at rear ends of U-shaped left and right longitudinal beams of the land wheel frame 13 in a rolling manner, corresponding to the left and right longitudinal beams, a front plate base is arranged on the tail beam 12, rear plate bases are arranged on the left and right longitudinal beams, and the lift cylinder 15 is hinged between the front plate base and the rear plate base. The lifting oil cylinder 15 is controlled to stretch and retract, the longitudinal inclination angle of the U-shaped left and right longitudinal beams of the land wheel frame 13 relative to the tail beam 12 is changed, the ground supporting height of the four land wheels 14 is changed, and the purposes of controlling the compacting depth and conveying the ground clearance are achieved.
The working principle of the utility model is that before the ground operation, a traction beam 22 arranged on the front end of the traction frame 1 is connected with a lower suspension mechanism of a matched power tractor, and oil inlet and return ports of a folding oil cylinder 10, a standing oil cylinder 11, a lifting oil cylinder 15 and a swinging oil cylinder 16 are connected with a hydraulic system of the tractor. During operation, the lifting oil cylinder 15 is controlled to contract, the middle press roller 4 and the side press rollers 9 are pressed on the ground surface of the flat ground or a ridge, and in the operation process, the lifting oil cylinder 15 is used for controlling the ground supporting heights of the four land wheels 14 to change, so that the ideal pressing depth is obtained. As shown in fig. 9, during or after operation, when the field is transferred, the folding cylinder 10, the erecting cylinder 11 and the swing cylinder 16 are sequentially operated to fold the folding frame by 90 degrees and erect the erecting frame by 90 degrees, at this time, the folding frame 8 is supported on the portal frame 5, under the action of the swing cylinder 16, the side swinging frame 6 swings forwards by 90 degrees and is folded with the main longitudinal beam of the traction frame 1, the transverse width of the roller is greatly narrowed, and the trafficability of several groups of transfer transportation is improved.
The utility model has the advantages of uniform ridge compaction, no damage to ridge shape, no drag-piling, no clay, no pressure leakage, no bias voltage, no seed leakage and no seedling damage.
The utility model is suitable for flat land pressing and ridge pressing operation before and after sowing.
Claims (4)
1. The utility model provides a single ridge profile modeling land roller, includes traction frame (1) and set up towing beam (22) on this traction frame (1) front end, sets up the land wheel assembly on this traction frame (1) rear end, its characterized in that: still include the flank frame, middle compression roller (4), side compression roller (9), two these flank framves set up on this traction frame (1) along horizontal bilateral symmetry, crisscross equidistant rolling side compression roller (9) around on two these flank frames, this traction frame (1) includes main longitudinal beam, spacing corbel (21), main front-end beam (2), main back-end beam (3), tail-end beam (12), set up spacing corbel (21), main front-end beam (2), main back-end beam (3), tail-end beam (12) by preceding to back along horizontal bilateral symmetry in proper order on this main longitudinal beam, set up one middle compression roller (4) on this main front-end beam (2), bilateral symmetry sets up two middle compression roller (4) on this main back-end beam (3), three middle compression roller (4) are the configuration of horizontal article font, this land wheel assembly sets up on tail-end beam (12).
2. The single-ridge profiling compactor of claim 1, wherein: the side wing frame consists of a portal frame (5), a side swing frame (6), an erection frame (7), a folding frame (8), a folding oil cylinder (10), an erection oil cylinder (11), a swing oil cylinder (16), a driving arm (17), an upper support (18), a lower support (19), an end beam (20), a clamping plate (23) and a vertical shaft (29), wherein the side swing frame (6), the erection frame (7) and the folding frame (8) are designed into a front and rear beam structure which are transversely parallel, front and rear beams of the side swing frame (6) are correspondingly hinged with the front and rear beam ends of the erection frame (7), the front and rear beams of the erection frame (7) are correspondingly hinged with the front and rear beam ends of the folding frame (8), the erection oil cylinder (11) is transversely hinged between the side swing frame (6) and the erection frame (7), the folding oil cylinder (10) is transversely hinged between the erection frame (7) and the folding frame (8), and the portal frame (5) is arranged at the transverse middle position of the side swing frame (6), the upper support (18) is horizontally arranged on the main longitudinal beam, the lower support (19) is horizontally arranged on the main rear beam (3), the vertical shaft (29) is vertically arranged between the upper support (18) and the lower support (19), one end of the driving arm (17) is fixedly arranged on an end beam (20) of the side swing frame (6), the middle position of the driving arm (17) is hinged with the vertical shaft (29), the left side surface and the right side surface of the main longitudinal beam are respectively provided with an ear seat, the other end of the driving arm (17) is hinged with the ear seat to be provided with the swing oil cylinder (16), clamping plates (23) are horizontally arranged on the main rear beam (3) in a bilateral symmetry mode, the clamping plates (23) are in a horizontal U shape, and the rear beam of the side swing frame (6) is clamped in the clamping plates (23).
3. The single-ridge profiling compactor of claim 2, wherein: with middle press roller (4), side press roller (9) correspond, set up profiling mechanism on main front-axle beam (2), main back-axle beam (3), side pendulum frame (6), erect frame (7), folding leg (8) respectively, this profiling mechanism comprises support arm (24), support (25), swing arm (26), profile modeling spring (27), gag lever post (28), relatively middle press roller (4), side press roller (9) longitudinal centerline, this support arm (24), support (25) bilateral symmetry respectively level backward admittedly install on main front-axle beam (2), main back-axle beam (3), side pendulum frame (6), erect frame (7), folding leg (8), this swing arm (26) upper end is articulated with support (25), middle press roller (4), side press roller (9) set up at this swing arm (26) lower extreme that corresponds respectively with rolling, a profile spring (27) is arranged between the rear end of the support arm (24) and the lower end of the swing arm (26), the profile spring is positioned below the swing arm (26), and a limit rod (28) is arranged on the support (25).
4. The single-ridge profiling compactor according to claim 1 or 2, wherein: the land wheel assembly comprises a land wheel frame (13), land wheels (14) and lifting oil cylinders (15), wherein the land wheel frame (13) is U-shaped, a U-shaped cross beam of the land wheel frame (13) is hinged to a tail beam (12), the rear ends of the longitudinal beams are respectively arranged at the left and the right sides of the U-shaped cross beam of the land wheel frame (13) in a rolling mode, the left and the right longitudinal beams correspond to the longitudinal beams, a front plate seat is arranged on the tail beam (12), a rear plate seat is arranged on the left and the right longitudinal beams, and the lifting oil cylinders (15) are hinged between the front plate seat and the rear plate seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220249227.XU CN216752658U (en) | 2022-02-07 | 2022-02-07 | Single-ridge profiling compacting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220249227.XU CN216752658U (en) | 2022-02-07 | 2022-02-07 | Single-ridge profiling compacting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216752658U true CN216752658U (en) | 2022-06-17 |
Family
ID=81955859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220249227.XU Expired - Fee Related CN216752658U (en) | 2022-02-07 | 2022-02-07 | Single-ridge profiling compacting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216752658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116114410A (en) * | 2023-04-14 | 2023-05-16 | 山西省林业和草原科学研究院 | Seedbed soil preparation device and soil preparation method thereof |
-
2022
- 2022-02-07 CN CN202220249227.XU patent/CN216752658U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116114410A (en) * | 2023-04-14 | 2023-05-16 | 山西省林业和草原科学研究院 | Seedbed soil preparation device and soil preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216752658U (en) | Single-ridge profiling compacting machine | |
| CN102907196B (en) | The dual-purpose vehicle frame of field cleaning device and rice transplanter | |
| CN207030337U (en) | A kind of partition plate overturns component with stacking | |
| CN102934545A (en) | High and low-position multipurpose field operating vehicle | |
| CN206575763U (en) | A kind of reading intelligent agriculture digging machine of adjustable roller length | |
| CN203015411U (en) | High-and-low position multi-purpose field work vehicle | |
| CN218456653U (en) | Hydraulic control folding type subsoiler | |
| CN203378233U (en) | Folding rack of wide-width unite land preparation machine | |
| CN113597833A (en) | Combined soil preparation machine | |
| EP2116123B1 (en) | Collapsible Frame for an Agricultural Implement | |
| CN2323555Y (en) | Foldable hydraulic harrow | |
| CN212086857U (en) | Front-mounted bilateral soil cleaning device | |
| CN210725938U (en) | Foldable walking device | |
| CN220798953U (en) | High-speed stubble cleaning hydraulic rake | |
| CN218353056U (en) | Heavy flap high-speed disc harrow | |
| CN109322686B (en) | Advanced support for fully-mechanized coal mining face | |
| CN206181734U (en) | Compression roller compartment subsoiler | |
| CN206622487U (en) | A kind of lifting garage crossbeam H steel straighteners | |
| CN210641304U (en) | Agricultural machinery running gear that can go to | |
| CN210641306U (en) | Lifting and running device capable of being aligned | |
| CN117461409A (en) | Split-type soil preparation machine soil leveling plate depth adjusting device and split-type soil preparation machine | |
| CN109548453A (en) | Self-propelled medicinal material excavator | |
| CN215835797U (en) | Hydraulic turnover plow | |
| CN202907426U (en) | Dual-purpose machine frame for field caring machine and transplanter | |
| CN117378301A (en) | High-speed harrow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220617 |