CN108684240B - Double-shaft rotary tillage all-in-one machine capable of controlling fertilization depth - Google Patents
Double-shaft rotary tillage all-in-one machine capable of controlling fertilization depth Download PDFInfo
- Publication number
- CN108684240B CN108684240B CN201810842000.4A CN201810842000A CN108684240B CN 108684240 B CN108684240 B CN 108684240B CN 201810842000 A CN201810842000 A CN 201810842000A CN 108684240 B CN108684240 B CN 108684240B
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- side plate
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- soil
- adjusting
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- 230000004720 fertilization Effects 0.000 title claims abstract description 22
- 238000003971 tillage Methods 0.000 title claims abstract description 22
- 239000000725 suspension Substances 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 47
- 239000002689 soil Substances 0.000 claims description 33
- 239000003337 fertilizer Substances 0.000 claims description 30
- 239000010410 layer Substances 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
- A01B49/065—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven
Abstract
The invention provides a double-shaft rotary tillage integrated machine with controllable fertilization depth, which is characterized in that: the rotary cultivator comprises a frame, a suspension bracket is fixed above the front end of the frame, a gear box assembly is mounted on the frame, three output ends are arranged on the gear box assembly, the output ends are divided into an upper output end and a lower output end, the lower output ends are coaxial and output is the same, the lower output ends are respectively connected with a left front shaft and a right front shaft, the left front shaft and the right front shaft are respectively connected on a straight line and output is the same, one output end of the upper portion is connected with a straight gear box through a coupler, a left side plate and a right side plate are respectively fixed at the left end and the right end of the frame, and the outer side of the left side plate is connected with the straight gear box through a first connecting plate and a locking cone flange.
Description
Technical Field
The invention relates to the agricultural machinery technology, in particular to a double-shaft rotary tillage integrated machine with controllable fertilization depth.
Background
The rotary cultivator is a cultivator matched with a tractor to complete the tillage and harrowing operation. The novel soil-crushing machine has the characteristics of strong soil-crushing capability, flat ground surface after tillage and the like, so that the novel soil-crushing machine is widely applied, and can be used for crushing the stubble buried below the ground surface, facilitating the operation of a seeder and providing a good seed bed for later sowing. The machine tool completes the farm cultivation operations such as soil crushing, ground leveling and the like by means of the rotation of a cutter arranged on a rotating shaft and the compound movement of the machine set. With the development of agricultural science and technology, rotary tillage of farmland soil by rotary tillers has become a common mode. Although the variety of rotary tillers existing in the market at present is many, the functions of many rotary tillers are single, the adaptability is not strong, and especially the rear cutter shafts of the double-shaft rotary tillers cannot be adjusted up and down, so that the granularity of soil surface layers and the fertilization depth cannot be controlled to adapt to the growth needs of root systems of different crops, the growth environment of the crops is improved, and the cutter shafts of the rotary tillers cannot be adjusted up and down to adapt to the rotary tilling depths of different soil textures according to different soil textures.
Disclosure of Invention
In order to overcome the problems, the invention aims to provide the rotary cultivator capable of adjusting the rotary cultivation depth and selectively installing different machines, and the fertilizer application effect can be performed while the field cultivation operation is completed, so that the defects of the prior art are overcome.
The invention is realized by the following steps: the utility model provides a biax controllable fertilization degree of depth rotary tillage all-in-one which characterized in that: the automatic adjusting device comprises a frame, wherein a suspension bracket is fixed above the front end of the frame, a gear box assembly is mounted on the frame, three output ends are arranged on the gear box, the output ends are divided into an upper output end, a lower output end and a lower output end, the lower output ends are coaxial and output the same, the lower output ends are respectively connected with a left front shaft and a right front shaft, the left front shaft and the right front shaft are respectively connected on a straight line and output the same, one output end of the upper part is connected with a straight gear box through a coupler, a side plate is fixed at the left end and the right end of the frame, the outer side of the left side plate is connected with the straight gear box through a first connecting plate and a locking cone flange, the outer side of the right side plate is connected with a swing arm through a second connecting plate and a pin shaft, the locking cone flange is concentric with the pin shaft, one end of the swing arm is connected with the second connecting plate, the other end of the swing arm is connected with a shaft seat through the shaft seat, the pin shaft seat is matched with a bearing seat, the pin shaft is connected with a one end cover to limit, the right side plate is symmetrically arranged on the right side plate, the first side plate and the right side plate is symmetrically arranged on the right side plate and the right side of the swing mechanism is arranged on the side of the swing mechanism; an upper cross beam is arranged in front of the suspension bracket, a lower cross beam is arranged below the upper cross beam, the upper cross beam and the lower cross beam are correspondingly arranged, two ends of the cross beam are connected with side plates at two ends of the frame, the inner side of the left side plate is connected with a rear shaft through a first connecting plate, the rear shaft is fixed between the upper cross beam and the lower cross beam, the front end of the lower cross beam is connected with a raking and leveling mechanism, the raking and leveling mechanism is connected with a rear shaft, the front end of the lower cross beam can be connected with tools for replacing different raking and leveling mechanisms, and a fertilizer applicator can be additionally arranged between the front shaft and the rear shaft so as to facilitate the field cultivation operations such as soil crushing, ground leveling and the like, and simultaneously fertilizer application can be carried out.
Further, the input end of the direct-connected gear box is connected with a second bearing seat, the second bearing seat is connected with a locking cone flange, the locking cone flange consists of a locking cone flange male end and a locking cone flange female end, the locking cone flange female ends are respectively fixed on the left side plate and the right side plate, and the locking cone flange male end is connected with the second bearing seat through locking screws.
Further, an arc chute is formed in each of the left side plate and the right side plate, and the locking bolt pair penetrates through the arc chute, so that the first connecting plate and the second connecting plate can be connected with the left side plate and the right side plate.
Further, the nut limiting mechanisms are arranged in the arc-shaped sliding grooves, so that the nut limiting mechanisms can limit the locking nuts on the locking bolt pairs to rotate, and the locking nuts are arranged on the inner sides of the left side plate and the right side plate, so that only one wrench is used for loosening or locking the bolts.
Further, the lifting of back axle can be adjusted to guiding mechanism, and the symmetry sets up in the outside of controlling the curb plate, guiding mechanism includes adjusting nut, adjusting screw, thrust bearing, goes up rotatory piece and rotatory piece down, and adjusting screw upper end connection adjusting nut, thrust bearing is connected to the lower extreme, and rotatory piece down is connected to its lower extreme, and rotatory piece is through the round pin axle cooperation of connecting on the second connecting plate down, and rotatory piece is connected to the upper end, goes up rotatory piece and connects the rotation axis cooperation on the right side board, realizes adjusting through rotatory adjusting nut.
Furthermore, the lower cross beam is provided with an interface, so that a raking and leveling mechanism, a ditching mechanism and the like can be selectively installed.
Further, a fertilizer applicator is additionally arranged between the two rotary tillage shafts, and through the depth control of the rear rotary tillage blades, the fertilizer is uniformly dispersed, and the fertilizer application is effectively controlled in the range of the fertilizer soil layer absorbed by plants.
The double-shaft rotary tillage integrated machine with controllable fertilization depth has the following rear shaft adjustment steps:
step 1: loosening the connecting screw at the flange of the locking cone;
step 2: loosening a connecting bolt at the connecting plate;
step 3: rotating a screw rod at the adjusting mechanism, lifting and lowering the rear shaft to a selected position;
step 4: and locking the bolts loosened in the steps 1 and 2.
The invention has the beneficial effects that: the invention provides a double-shaft rotary tillage integrated machine with controllable fertilization depth, wherein a rear shaft of the rotary tillage integrated machine is adjustable, and the granularity of a soil surface layer and fertilization depth can be controlled so as to adapt to the growth needs of root systems of different crops, so that the growth environment of the crops is improved. Meanwhile, aiming at different soil properties, the rear axle of the rotary cultivator is adjusted up and down to adapt to rotary cultivation depths of different soil properties, and the rotary cultivator is simple in structure, convenient and reliable to adjust; the rear cross beam of the rotary cultivator is provided with an open interface, and different machines and tools can be optionally arranged to provide different functional combinations; the fertilizer applicator can be additionally arranged between the two rotary tillage shafts, through the depth control of the rear rotary tillage blades, the fertilizer is uniformly spread, the fertilizer application is effectively controlled in the range of a fertilizer soil layer absorbed by plants, and the fertilizer application can be carried out when the field cultivation operations such as soil breaking, ground leveling and the like are carried out, so that the fertilizer applicator can immediately fertilize the land when the soil is loosened, and the fertilizer application is not needed after the soil leveling is finished, and the procedure is complex. When the design is adopted comprehensively, the application range of the rotary cultivator is greatly improved, the use cost of the rotary cultivator is greatly reduced, the energy is saved, the requirements of modern agricultural development are met, and the rotary cultivator is suitable for comprehensive popularization and application.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an a-direction view of the present invention.
Fig. 3 is a B-view of the present invention.
FIG. 4 is a C-C cross-sectional view of the present invention.
Fig. 5 is a D-view of the present invention.
Fig. 6 is a cross-sectional view of the adjustment mechanism E-E.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 6, the present invention provides an embodiment: the utility model provides a biax controllable fertilization degree of depth rotary tillage all-in-one, includes a frame 1, frame 1 front end top is fixed with a suspension support 2, and suspension support 2 passes through bolted connection installs frame 1 is last and be connected with the tractor of front end, install gear box assembly 3 on frame 1 for the input of gear box assembly 3 passes through the shaft coupling and is connected with front end tractor power take off, provides the driving force for the rotary cultivator, gear box assembly 3 is provided with three output 31, output 31 divide into upper portion one output, lower part two outputs, and lower part two outputs coaxial and the output is the same, lower part two outputs are connected with left front axle 4 and right front axle 5 respectively, and left and right front axle is on a straight line and the output is the same, can provide the driving force for the front axle like this, an output of upper portion is connected with a direct connection gear box 7 through shaft coupling 6, the output end is connected with the input end of the direct-connection gear box 7 to provide power for the direct-connection gear box 7, a side plate is fixed at the left end and the right end of the frame 1, the outer side of the left side plate 8 is connected with the direct-connection gear box 7 through a first connecting plate 9 and a locking cone flange (not shown), the outer side of the right side plate 10 is connected with a swinging arm 13 through a second connecting plate 11 and a pin shaft 12, the locking cone flange is concentric with the pin shaft 12, one end of the swinging arm 13 is connected with the second connecting plate 11, the other end is connected with the pin shaft 12, a shaft seat 29 is welded on the swinging arm 13, the shaft seat 29 is matched with the pin shaft 12 through a shaft sleeve 28, the pin shaft 12 is connected with an end cover 30 to limit, the swinging arm 13 can rotate around the pin shaft 12, a first bearing seat 14 is arranged at the right lower corner of the outer side of the right side plate 10, the second connecting plate 11 is fixed with an adjusting mechanism 15, the adjusting mechanism 15 passes through the second connecting plate 11 and the right side plate 10 and is arranged in front of the swing arm 13, and the outer side of the left side plate 8 and the left side plate are symmetrically provided with the adjusting mechanism 15 for adjusting the lifting of the rotary cultivator; an upper cross beam 16 is arranged in front of the suspension bracket 2, a lower cross beam 17 is arranged below the upper cross beam 16, the upper cross beam and the lower cross beam are correspondingly arranged, two ends of the cross beam are connected with side plates at two ends of the frame 1, the upper cross beam and the lower cross beam are used for fixing the frame 1, the frame 1 is not easy to collapse, the inner side of the left side plate 8 is connected with a rear shaft 18 through a first connecting plate 9, the rear shaft 18 is fixed between the upper cross beam 16 and the lower cross beam 17, the front end of the lower cross beam 17 is connected with a raking and leveling mechanism 19, the raking and leveling mechanism 19 is connected with the rear shaft 18, the front end of the lower cross beam 17 can be connected with tools for replacing different raking and leveling mechanisms, and a fertilizer applicator can be additionally arranged between the front shaft and the rear shaft, so that fertilizer can be applied simultaneously when the soil breaking, ground leveling and other field cultivation operations are carried out; the input end of the direct-connection gearbox 7 is connected with a second bearing seat 20, the second bearing seat 20 is connected with a locking cone flange, the locking cone flange consists of a locking cone flange male end 21 and a locking cone flange female end 22, the locking cone flange male end 21 and the locking cone flange female end 22 are matched through conical surfaces and are mutually locked through screws, the locking cone flange female end 22 is respectively fixed on a left side plate and a right side plate, the locking cone flange male end 21 is connected with the second bearing seat 20 through a locking screw 23, so that the locking cone flange not only provides locking fit, but also enables the locking cone flange male end 21 to rotate when the conical surface is locked and released; an arc-shaped chute 24 is formed in each of the left side plate and the right side plate, the locking bolt pair penetrates through the arc-shaped chute 24, the first connecting plate and the second connecting plate can be connected with the left side plate and the right side plate, the locking bolt 25 and the locking nut 27 which are connected with the left side plate and the right side plate pass through the chute, and the locking bolt 25 and the locking nut 27 move along the chute when the rear axle is adjusted; the arc chute 24 is internally provided with a nut limiting mechanism 26, so that the nut limiting mechanism 26 can limit the rotation of a lock nut 27 on the lock bolt pair, and the lock nuts 27 are arranged on the inner sides of the left side plate 8 and the right side plate 10, so that only one wrench is required to operate when the bolts 25 are loosened or locked; the adjusting mechanism 15 can adjust the lifting of the rear axle, and is symmetrically arranged at the outer sides of the left side plate and the right side plate, the adjusting mechanism 15 comprises an adjusting nut 151, an adjusting screw 152, a thrust bearing 153, an upper rotating block 154 and a lower rotating block 155, the upper end of the adjusting screw 152 is connected with the adjusting nut 151, the lower end of the adjusting screw 152 is connected with the thrust bearing 153, the lower end of the adjusting screw is connected with the lower rotating block 155, the lower rotating block 155 is matched with a pin shaft 12 connected to the second connecting plate 11, the upper end of the lower rotating block 155 is connected with the upper rotating block 154, the upper rotating block 154 is matched with a rotating shaft 156 connected to the right side plate 10, adjustment is realized through the rotating adjusting nut 151, the pin shaft 12 is welded with a mounting plate, the other end of the pin shaft is matched with the shaft sleeve 28 and the shaft seat 29 through an end cover 30, and the mounting plate is connected with the upper rotating block 154 through screws to provide a rotating node. The other end of the adjusting mechanism 15 is fixed on the second connecting plate 11, the adjusting screw 152 is arranged at the end of the thrust bearing 153 and matched with the lower rotating block 155 through a cover plate, the lower rotating block 155 is provided with a matching hole, and the adjusting screw is matched with the pin shaft 12 welded on the second connecting plate 11 through the end cover 30, the shaft sleeve 28 and a base plate to provide another rotating node; when the locking screw and the locking bolt 25 are loosened, the adjusting screw 152 on the adjusting mechanism adjusting 15 is rotated at two sides to realize the lifting of the rear shaft, and when the rear shaft is adjusted to a certain position, the locking screw and the locking bolt 25 are locked; the lower cross beam 17 is provided with an interface, and a raking and leveling mechanism, a ditching mechanism and the like can be selectively installed; the fertilizer applicator can be additionally arranged between the two rotary tillage shafts, and through the depth control of the rear rotary tillage blades, the fertilizer is uniformly dispersed, and the fertilizer application is effectively controlled within the range of the fertilizer soil layer absorbed by plants.
The working principle of the invention is as follows: when the dry land rotary cultivator is ready to operate, firstly testing the hardness of soil, then adjusting the lifting of a rear shaft through rotating an adjusting nut, so that a raking and leveling mechanism can adjust the depth of entering the ground, the granularity of a soil surface layer and the fertilization depth can be controlled so as to adapt to the growth needs of root systems of different crops, the growth environment of the crops is improved, meanwhile, the cutter shaft of the rotary cultivator is adjusted up and down to adapt to the rotary cultivation depth of different soil according to different soil, the rotary cultivator operation can be started, after the rotary cultivator operation is finished, a fertilizer applicator can be additionally arranged between two rotary cultivation shafts, through the depth control of rear rotary cultivation cutters, the fertilizer is uniformly spread, the fertilization can be effectively controlled in the range of a fertilizer layer absorbed by plants, and the fertilization can be carried out while the field cultivation operations such as soil crushing, ground leveling and the like are carried out, so that the fertilization can be carried out on the soil immediately, and the fertilization is not needed after the soil is finished, and the operation is complicated; if the operation of raking and leveling the ground is not carried out, the raking and leveling mechanism connected with the lower beam can be replaced, for example, the mechanism type with different functions such as a ditching mechanism is replaced, and thus, different functional types can be realized.
In a word, the invention adds the adjusting mechanism and the lower cross beam to form an opening, and installs the fertilizer applicator between the two rotary tillage shafts, so that not only can the depth of rotary tillage be adjusted according to different soil property requirements, but also the fertilizer can be applied while the field cultivation operations such as soil crushing, ground leveling and the like are carried out, and the raking and leveling mechanism can be replaced to realize different function effects.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (1)
1. The utility model provides a biax controllable fertilization degree of depth rotary tillage all-in-one which characterized in that: the automatic adjusting device comprises a frame, wherein a suspension bracket is fixed above the front end of the frame, a gear box assembly is mounted on the frame, the gear box assembly is provided with three output ends, the output ends are divided into an upper output end and a lower output end, the lower output ends are coaxial and output the same, the lower output ends are respectively connected with a left front shaft and a right front shaft, the left front shaft and the right front shaft are respectively connected on a straight line and output the same, one output end of the upper part is connected with a straight gear box through a coupler, the left end and the right end of the frame are respectively fixed with a left side plate and a right side plate, the outer side of the left side plate is connected with the straight gear box through a first connecting plate and a locking cone flange, the outer side of the right side plate is connected with a swing arm through a second connecting plate and a pin shaft, the locking cone flange is concentric with the pin shaft, one end of the swing arm is connected with the second connecting plate, the other end of the swing arm is connected with the pin shaft, a shaft seat is welded on the shaft seat, the shaft seat is matched with the pin shaft seat through a shaft sleeve, one end of the shaft seat is connected with a pin shaft cover, the right side plate is symmetrically arranged on the outer side of the swing arm, the swing arm is provided with a right side plate and the right side plate is symmetrically arranged on the side of the swing arm, and the swing arm is provided with a side plate, and the side adjusting mechanism is symmetrically arranged on the right side plate; an upper cross beam is arranged in front of the suspension bracket, a lower cross beam is arranged below the upper cross beam, the upper cross beam and the lower cross beam are correspondingly arranged, two ends of the cross beam are connected with side plates at two ends of the frame, the inner side of the left side plate is connected with a rear shaft through a first connecting plate, the rear shaft is fixed between the upper cross beam and the lower cross beam, the front end of the lower cross beam is connected with a raking and leveling mechanism, the raking and leveling mechanism is connected with the rear shaft, the front end of the lower cross beam can be connected with tools for changing different raking and leveling mechanisms, and a fertilizer applicator can be additionally arranged between the front shaft and the rear shaft so as to facilitate fertilizer application while carrying out soil crushing, ground leveling and other field cultivation operations;
the left side plate and the right side plate are respectively provided with an arc chute, and the locking bolt pair penetrates through the arc chute, so that the first connecting plate and the second connecting plate can be connected with the left side plate and the right side plate;
the arc-shaped sliding grooves are internally provided with nut limiting mechanisms, so that the nut limiting mechanisms can limit the rotation of the lock nuts on the lock bolt pairs, and the lock nuts are arranged on the inner sides of the left side plate and the right side plate, so that only one wrench is used for operating when loosening or locking the bolts;
the adjusting mechanism can adjust the lifting of the rear shaft and is symmetrically arranged at the outer sides of the left side plate and the right side plate, the adjusting mechanism comprises an adjusting nut, an adjusting screw, a thrust bearing, an upper rotating block and a lower rotating block, the upper end of the adjusting screw is connected with the adjusting nut, the lower end of the adjusting screw is connected with the thrust bearing, the lower end of the adjusting screw is connected with the lower rotating block, the lower rotating block is matched with a pin shaft connected to the second connecting plate, the upper end of the lower rotating block is connected with the upper rotating block, the upper rotating block is matched with a rotating shaft connected to the right side plate, and the adjustment is realized by rotating the adjusting nut;
the input end of the direct-connected gear box is connected with a second bearing seat, the second bearing seat is connected with a locking cone flange, the locking cone flange consists of a locking cone flange male end and a locking cone flange female end, the locking cone flange female ends are respectively fixed on a left side plate and a right side plate, and the locking cone flange male end is connected with the second bearing seat through locking screws;
the lower cross beam is provided with an interface which can be used for selectively installing a raking and leveling mechanism or a ditching mechanism;
the working principle of the double-shaft rotary tillage integrated machine with controllable fertilization depth is as follows:
when the dry land rotary cultivator is ready to operate, firstly testing the hardness of soil, then adjusting the lifting of a rear shaft through rotating an adjusting nut, so that a raking and leveling mechanism can adjust the depth of entering the ground, the granularity of a soil surface layer and the fertilization depth can be controlled so as to adapt to the growth needs of root systems of different crops, the growth environment of the crops is improved, meanwhile, the cutter shaft of the rotary cultivator is adjusted up and down to adapt to the rotary cultivation depth of different soil according to different soil, the rotary cultivator operation can be started, after the rotary cultivator operation is finished, a fertilizer applicator can be additionally arranged between two rotary cultivation shafts, through the depth control of rear rotary cultivation cutters, the fertilizer is uniformly spread, the fertilization can be effectively controlled in the range of a fertilizer layer absorbed by plants, and the fertilization can be carried out while the field cultivation operations such as soil crushing, ground leveling and the like are carried out, so that the fertilization can be carried out on the soil immediately, and the fertilization is not needed after the soil is finished, and the operation is complicated; if the operation of raking and leveling the ground is not carried out, the raking and leveling mechanism connected with the lower beam can be replaced, for example, the mechanism type with different functions such as a ditching mechanism is replaced, and thus, different functional types can be realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842000.4A CN108684240B (en) | 2018-07-27 | 2018-07-27 | Double-shaft rotary tillage all-in-one machine capable of controlling fertilization depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842000.4A CN108684240B (en) | 2018-07-27 | 2018-07-27 | Double-shaft rotary tillage all-in-one machine capable of controlling fertilization depth |
Publications (2)
| Publication Number | Publication Date |
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| CN108684240A CN108684240A (en) | 2018-10-23 |
| CN108684240B true CN108684240B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810842000.4A Active CN108684240B (en) | 2018-07-27 | 2018-07-27 | Double-shaft rotary tillage all-in-one machine capable of controlling fertilization depth |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112335353A (en) * | 2020-11-19 | 2021-02-09 | 淮北市华丰机械设备有限公司 | New combination method and structure of side plate of double-shaft rotary tillage stubble cleaning machine |
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| CN108684240A (en) | 2018-10-23 |
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