CN214800599U - Rotary tillage, normal position fertilization, precision seeding, suppression, extrusion ditch double entry workover rig - Google Patents
Rotary tillage, normal position fertilization, precision seeding, suppression, extrusion ditch double entry workover rig Download PDFInfo
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- CN214800599U CN214800599U CN202022520701.1U CN202022520701U CN214800599U CN 214800599 U CN214800599 U CN 214800599U CN 202022520701 U CN202022520701 U CN 202022520701U CN 214800599 U CN214800599 U CN 214800599U
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Abstract
The utility model discloses a rotary tillage, normal position fertilization, precision seeding, suppression, ditch-squeezing compound operation machine, which comprises a rotary tillage supporting frame, a rotary tillage device, a rotary tillage transmission system, a fertilizer and seed storage and conveying system and a fertilizing and seeding device; the fertilizing and seeding device is arranged behind the rotary tillage device and comprises a fertilizing and seeding support frame and a plurality of fertilizing and seeding units which are transversely arranged at intervals; the fertilizing and seeding unit comprises a bearing plate, a fertilizing pipe and a seeding pipe; the fertilizing pipe and the seeding pipe are fixedly connected in the supporting plate at intervals in the front and back, and the lower parts of the fertilizing pipe and the seeding pipe are respectively provided with a first ditching structure and a second ditching structure; the lower part of the fertilizer and seed storage and conveying system is provided with a plurality of hoses which are respectively connected with the fertilizing pipe and the seeding pipe; the further improvement lies in that a press device is arranged at the rear of the fertilizing and seeding device, and a ditch-squeezing disc is arranged in the middle of the press roller. The utility model discloses rotary tillage, fertilization, seeding, suppression, crowded ditch integration, the operating efficiency is high, and just fertilization, fertilizer efficiency is high, and the seed that sows germinates the quality height, and later stage rice seedling lodging resistance can the reinforce.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, especially, relate to a rotary tillage, normal position fertilization, precision seeding, suppression, crowded ditch double entry workover rig.
Background
Agricultural mechanization is a development direction, rotary tillage operation is performed on farmlands by existing rotary tillage agricultural machinery, farmland operation efficiency is remarkably improved, and how to perform integrated operation of rotary tillage, fertilization and seeding on the basis of the operation is an important subject of current research.
Disclosure of Invention
The utility model provides a rotary tillage, normal position fertilization, precision seeding, suppression, crowded ditch compound operation machine that can further improve farmland operating efficiency to the not enough of prior art.
The utility model discloses a technical goal is realized to following technical scheme.
The rotary tillage, normal position fertilization, precision seeding, suppression, ditch-squeezing compound operation machine comprises a rotary tillage supporting frame, a rotary tillage device and a rotary tillage transmission system; the rotary tillage device is arranged below the transversely arranged rotary tillage supporting frame; the rotary tillage transmission system comprises a rotary tillage primary transmission mechanism and a rotary tillage secondary transmission mechanism for driving a rotary tillage device; the rotary tillage primary transmission mechanism comprises a rotary tillage primary transmission mechanism shell arranged in the middle of the rotary tillage supporting frame, a rotary tillage primary transmission input shaft and a rotary tillage primary transmission output shaft used for driving the rotary tillage secondary transmission mechanism; the improvement is that: a fertilizer and seed storage and conveying system is arranged above the rotary tillage supporting frame; a fertilizing and seeding device is arranged behind the rotary tillage device; the fertilizing and seeding device comprises a fertilizing and seeding support frame and a plurality of fertilizing and seeding units which are transversely arranged at intervals; the fertilizing and seeding support frame is horizontally arranged, and two sides of the fertilizing and seeding support frame are connected with the rotary tillage support frame; the fertilizing and seeding unit comprises a bearing plate, a fertilizing pipe and a seeding pipe; the bearing plate is vertically arranged in the longitudinal direction, and the front end of the bearing plate is fixedly connected to the fertilizing and seeding support frame; the fertilizing pipe and the seeding pipe are vertically or longitudinally arranged in an inclined way, and are fixedly connected in the supporting plate at intervals from front to back; the lower part of the fertilizing tube is provided with a first ditching structure which is a flat box-shaped component which is fixedly connected with the lower part of the supporting plate, vertically arranged in the longitudinal direction and provided with a cavity; the front end of the cavity of the first ditching structure is closed, the lower end of the cavity is opened, and the rear end of the cavity is opened; the fertilizing pipe is inserted into the cavity of the first ditching structure from the upper end of the first ditching structure; the lower part of the sowing pipe is provided with a second ditching structure which is a flat box-shaped component which is fixedly connected with the lower part of the supporting plate, vertically arranged in the longitudinal direction and provided with a cavity; the front end of the cavity of the second ditching structure is closed, the lower end of the cavity is opened, and the rear end of the cavity of the second ditching structure is opened; the seeding pipe is inserted into the cavity of the second ditching structure from the upper end of the second ditching structure; the first ditching structure and the second ditching structure are arranged at intervals in the front and back direction, and a first soil covering plate is arranged between the first ditching structure and the second ditching structure; the second ditching structure is arranged right behind the first ditching structure; the first soil covering plate is high in front, low in back, longitudinally and obliquely arranged and horizontally arranged, and the rear end of the first soil covering plate is higher than the lower end of the fertilizing pipe and lower than the lower end of the sowing pipe; the lower part of the fertilizer and seed storage and conveying system is provided with a plurality of hoses which are respectively connected with the fertilizing pipe and the seeding pipe.
Furthermore, the front ends of the first ditching structure and the second ditching structure are respectively provided with a first guide structure and a second guide structure; in a horizontal section, the first guide structure and the second guide structure are both conical structures with small front parts and large rear parts.
Furthermore, a pressing device is arranged behind the fertilizing and seeding device; the pressing device comprises a pressing device supporting frame, a pressing roller and a pressing device transmission system for driving the pressing roller; the press roller is transversely arranged horizontally and is arranged behind the fertilizing and seeding device; the press device supporting frame is transversely arranged above the press roller, and two sides of the press device supporting frame are connected with the rotary tillage supporting frame or/and the fertilizing and seeding supporting frame; the transmission system of the press device is arranged on one side of the press device supporting frame.
Furthermore, a channel extrusion disc is arranged in the middle of the compression roller; the groove extruding disc is a disc-shaped component, and the peripheries of the two side faces are conical faces which are convex outwards from the middle part.
Furthermore, a rear-end transmission shell is arranged in the middle of the supporting frame of the pressing device, a middle transmission mechanism is arranged in the rear-end transmission shell, and the rotary tillage primary transmission mechanism is connected with the middle transmission mechanism through a universal transmission shaft to form a gap bridge type structure; and an output shaft of the intermediate transmission mechanism drives a transmission system of the compacting device.
Compared with the prior art, the utility model, following positive effect has:
1. a fertilizer and seed storage and conveying system is arranged above the rotary tillage supporting frame; a fertilizing and seeding device is arranged behind the rotary tillage device and comprises a fertilizing and seeding support frame and a plurality of fertilizing and seeding units which are transversely arranged at intervals; the fertilizing and seeding unit comprises a bearing plate, a fertilizing pipe and a seeding pipe; the fertilizing pipe and the seeding pipe are vertically or longitudinally arranged in an inclined way, and are fixedly connected in the supporting plate at intervals from front to back; the lower part of the fertilizing pipe is provided with a first ditching structure, and the fertilizing pipe is inserted into a cavity of the first ditching structure from the upper end of the first ditching structure; the lower part of the sowing pipe is provided with a second ditching structure, and the sowing pipe is inserted into the cavity of the second ditching structure from the upper end of the second ditching structure; the first ditching structure and the second ditching structure are arranged at intervals in the front and back direction, and a first soil covering plate is arranged between the first ditching structure and the second ditching structure; the first soil covering plate is high in front, low in back, longitudinally and obliquely arranged and horizontally arranged, and the rear end of the first soil covering plate is higher than the lower end of the fertilizing pipe and lower than the lower end of the sowing pipe; the lower part of the fertilizer and seed storage and conveying system is provided with a plurality of hoses which are respectively connected with the fertilizing pipe and the seeding pipe. Thus, the utility model discloses during the use, there is rotary cultivator attachment in front to carry out the rotary tillage operation, fertilizes earlier at the back, covers the one deck soil again, and the seeding is again carried out rotary tillage, fertilization, seeding integration operation, is showing improvement farmland operating efficiency.
2. In the fertilizing and seeding device, the second ditching structure is arranged right behind the first ditching structure, a first soil covering plate is arranged between the first ditching structure and the second ditching structure, during use, fertilizer is applied firstly, then sowed, sowed seeds are covered with soil, and the fertilizer is applied right below the sowed seeds, so that the fertilizer application effect is obviously improved.
3. The front end of first ditching structure, second ditching structure is equipped with first guide structure, second guide structure respectively, like this, uses the utility model discloses during the operation, showing and reducing the operation resistance.
4. The rear of the fertilizing and seeding device is provided with a pressing device, soil is covered and compacted after rotary tillage, fertilization and seeding, so that the sowed seeds are better wrapped by the soil, the germination quality of the seeds is obviously improved, the lodging resistance of later-stage seedlings is obviously improved, the ground surface is flat, rainwater can quickly flow into a ditch in rainy season, and crops are prevented from being soaked by the rainwater and damaged.
5. The middle part of the press roller is provided with a ditch extruding disc which is a disc-shaped member, the peripheries of two side surfaces are conical surfaces which are more convex outwards towards the middle part, and when the ditch pressing roller is used, the soil on the ditch surface can be compacted by extrusion forming without collapsing, so that the ditch has good drainage capacity in the growth period of crops.
Drawings
Fig. 1 is a schematic structural view (seen from front to back) of the present invention.
Fig. 2 is a schematic structural diagram (viewed from the back to the front) of the present invention.
Fig. 3 is the structural schematic diagram of the middle fertilizing and seeding device of the utility model.
Fig. 4 is a schematic view of the structure of the medium fertilizing and seeding unit of the utility model.
Fig. 5 is a schematic view of the gap bridge structure of the middle transmission system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The rotary tillage, normal fertilization, precision seeding, pressing and ditch extrusion compound operation machine shown in the attached drawing comprises a rotary tillage supporting frame 1, a rotary tillage device 2, a rotary tillage transmission system, a fertilizer and seed storage and conveying system 4, a fertilizing and seeding device 5 and a pressing device 6.
The rotary tillage device 2 is arranged below the rotary tillage supporting frame 1 which is transversely arranged.
The rotary tillage transmission system comprises a rotary tillage primary transmission mechanism 3.1 and a rotary tillage secondary transmission mechanism 3.2 for driving the rotary tillage device 2; the rotary tillage primary transmission mechanism 3.1 comprises a rotary tillage primary transmission mechanism shell 3.1.1 arranged in the middle of the rotary tillage supporting frame 1, a rotary tillage primary transmission input shaft 3.1.2 and a rotary tillage primary transmission output shaft 3.1.3 used for driving the rotary tillage secondary transmission mechanism 3.2.
The fertilizer and seed storage and delivery system 4 is arranged above the rotary tillage supporting frame 1.
The fertilizing and seeding device 5 is arranged behind the rotary tillage device 2 and comprises a fertilizing and seeding support frame 5.1 and a plurality of fertilizing and seeding units 5.2 which are transversely arranged at intervals, in the embodiment, the fertilizing and seeding support frame 5.1 is transversely arranged with 8 fertilizing and seeding units 5.2 at intervals at equal intervals on the left side, the fertilizing and seeding units 5.2 are transversely arranged with 8 fertilizing and seeding units 5.2 at intervals at equal intervals on the right side, and in other embodiments, the fertilizing and seeding support frame 5.1 is transversely arranged with more or less than 8 fertilizing and seeding units 5.2 at intervals at unequal intervals.
The fertilizing and seeding support frame 5.1 is horizontally arranged.
The fertilizing and seeding unit 5.2 comprises a bearing plate 5.2.1, a fertilizing tube 5.2.2 and a seeding tube 5.2.4; the bearing plate 5.2.1 is vertically arranged, and the front end is fixedly connected to the fertilizing and seeding support frame 5.1; the fertilizing pipe 5.2.2 and the seeding pipe 5.2.4 are fixedly connected in the supporting plate 5.2.1 at intervals in the front-back direction, in the embodiment, the fertilizing pipe 5.2.2 and the seeding pipe 5.2.4 are longitudinally arranged at the rear end in a backward inclined mode, in other embodiments, the fertilizing pipe 5.2.2 and the seeding pipe 5.2.4 are vertically arranged, or the fertilizing pipe 5.2.2 and the seeding pipe 5.2.4 are longitudinally arranged at the rear end in a forward inclined mode.
The lower part of the fertilizing tube 5.2.2 is provided with a first ditching structure 5.2.3, the first ditching structure 5.2.3 is a flat box-shaped member which is fixedly connected with the lower part of the supporting plate 5.2.1, is vertically arranged in the longitudinal direction and is provided with a cavity; the front end of the cavity of the first ditching structure 5.2.3 is closed, the lower end is opened, and the rear end is opened; the fertilizing tube 5.2.2 is inserted into the cavity of the first ditching structure 5.2.3 from the upper end of the first ditching structure 5.2.3.
The lower part of the seeding pipe 5.2.4 is provided with a second ditching structure 5.2.5, and the second ditching structure 5.2.5 is a flat box-shaped component which is fixedly connected with the lower part of the supporting plate 5.2.1, vertically arranged in the longitudinal direction and provided with a cavity; the front end of the cavity of the second ditching structure 5.2.5 is closed, the lower end is opened, and the rear end is opened; the seeding tube 5.2.4 is inserted into the cavity of the second opening structure 5.2.5 from the upper end of the second opening structure 5.2.5.
The front ends of the first ditching structure 5.2.3 and the second ditching structure 5.2.5 are respectively provided with a first guide structure and a second guide structure; in a horizontal section, the first guide structure and the second guide structure are both conical structures with small front parts and large rear parts.
The first ditching structures 5.2.3 and the second ditching structures 5.2.5 are arranged at intervals front and back, and a first soil covering plate 5.2.6 is arranged between the first ditching structures and the second ditching structures; the second ditching structure 5.2.5 is arranged right behind the first ditching structure 5.2.3; the first soil covering plate 5.2.6 is longitudinally and horizontally arranged with a higher front part and a lower back part, and the rear end is higher than the lower end of the fertilizing tube 5.2.2 and lower than the lower end of the seeding tube 5.2.4.
The lower part of the fertilizer and seed storage and conveying system 4 is provided with a plurality of hoses which are respectively connected with a fertilizing pipe 5.2.2 and a seeding pipe 5.2.4.
The press device 6 is arranged behind the fertilizing and seeding device 5 and comprises a press device support frame 6.3, a press roller 6.1 and a press device transmission system 6.2 for driving the press roller 6.1; the press roller 6.1 is horizontally arranged at the rear of the fertilizing and seeding device 5; the press device supporting frame 6.3 is transversely arranged above the press roller 6.1, and the press device transmission system 6.2 is arranged on one side of the press device supporting frame 6.3.
In the embodiment, two sides of the rotary tillage supporting frame 1 are respectively provided with a lifting mechanism, the lifting mechanism comprises a first connecting plate 7.1, a second connecting plate 7.2, a parallel double-connecting rod 7.3 and a driving cylinder 7.4, the first connecting plate 7.1 and the second connecting plate 7.2 are vertically arranged and are arranged at intervals in the front and back direction, the first connecting plate 7.1 is fixedly connected to the rotary tillage supporting frame 1, and the lower part of the second connecting plate 7.2 is fixedly connected with a press device supporting frame 6.3 and a fertilizing and seeding supporting frame 5.1; the front end of the parallel double-connecting rod 7.3 is hinged with the first connecting plate 7.1, the rear end of the parallel double-connecting rod is hinged with the second connecting plate 7.2, the front end of the driving air cylinder 7.4 is hinged to the upper portion of the hinged connection point of the first connecting plate 7.1 and the parallel double-connecting rod 7.3 on the first connecting plate 7.1, and the rear end of the driving air cylinder 7.4 is hinged to the upper portion of the second connecting plate 7.2. Through hoist mechanism, not only the fertilizing and seeding supporting rack 5.1 both sides are connected with rotary tillage supporting rack 1, and suppression device supporting rack 6.3 both sides are connected with rotary tillage supporting rack 1, fertilizing and seeding supporting rack 5.1, can go up and down fertilizing and seeding ware 5, suppression device 6 through hoist mechanism moreover.
In other embodiments, the two sides of the support frame 6.3 of the compacting device are connected with the rotary tillage support frame 1 or the fertilizing and seeding support frame 5.1.
The middle part of the press roller 6.1 is provided with a groove extruding disc 6.6; the extrusion groove disk 6.6 is a disk-shaped component, and the peripheries of the two side surfaces are conical surfaces which are convex outwards from the middle part.
The middle part of a supporting frame 6.3 of the compacting device is provided with a rear-end transmission shell 6.4, a middle transmission mechanism is arranged in the rear-end transmission shell 6.4, and a rotary tillage primary transmission mechanism 3.1 is connected with the middle transmission mechanism through a universal transmission shaft 6.5 to form a gap bridge type structure; the output shaft of the intermediate transmission mechanism drives the press device transmission system 6.2.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A rotary tillage, normal position fertilization, precision seeding, suppression, ditch extrusion compound operation machine comprises a rotary tillage supporting frame (1), a rotary tillage device (2) and a rotary tillage transmission system; the rotary tillage device (2) is arranged below the transversely arranged rotary tillage supporting frame (1);
the rotary tillage transmission system comprises a rotary tillage primary transmission mechanism (3.1) and a rotary tillage secondary transmission mechanism (3.2) for driving the rotary tillage device (2); the rotary tillage primary transmission mechanism (3.1) comprises a rotary tillage primary transmission mechanism shell (3.1.1) arranged in the middle of the rotary tillage supporting frame (1), a rotary tillage primary transmission input shaft (3.1.2) and a rotary tillage primary transmission output shaft (3.1.3) used for driving the rotary tillage secondary transmission mechanism (3.2);
the method is characterized in that: a fertilizer and seed storage and conveying system (4) is arranged above the rotary tillage supporting frame (1); a fertilizing and seeding device (5) is arranged behind the rotary tillage device (2);
the fertilizing and seeding device (5) comprises a fertilizing and seeding support frame (5.1) and a plurality of fertilizing and seeding units (5.2) which are transversely arranged at intervals; the fertilizing and seeding support frame (5.1) is horizontally arranged, and two sides of the fertilizing and seeding support frame are connected with the rotary tillage support frame (1); the fertilizing and seeding unit (5.2) comprises a supporting plate (5.2.1), a fertilizing pipe (5.2.2) and a seeding pipe (5.2.4); the bearing plate (5.2.1) is vertically arranged, and the front end of the bearing plate is fixedly connected to the fertilizing and seeding support frame (5.1); the fertilizing pipe (5.2.2) and the seeding pipe (5.2.4) are vertically or longitudinally arranged in an inclined way, and are fixedly connected in the supporting plate (5.2.1) at intervals from front to back;
the lower part of the fertilizing tube (5.2.2) is provided with a first ditching structure (5.2.3), and the first ditching structure (5.2.3) is a flat box-shaped member which is fixedly connected to the lower part of the supporting plate (5.2.1), vertically arranged in the longitudinal direction and provided with a cavity; the front end of the cavity of the first ditching structure (5.2.3) is closed, the lower end of the cavity is open, and the rear end of the cavity is open; the fertilizing pipe (5.2.2) is inserted into the cavity of the first ditching structure (5.2.3) from the upper end of the first ditching structure (5.2.3);
a second ditching structure (5.2.5) is arranged at the lower part of the seeding pipe (5.2.4), and the second ditching structure (5.2.5) is a flat box-shaped component which is fixedly connected to the lower part of the supporting plate (5.2.1), vertically arranged in the longitudinal direction and provided with a cavity; the front end of the cavity of the second ditching structure (5.2.5) is closed, the lower end of the cavity is opened, and the rear end of the cavity is opened; the seeding pipe (5.2.4) is inserted into the cavity of the second ditching structure (5.2.5) from the upper end of the second ditching structure (5.2.5);
the first ditching structures (5.2.3) and the second ditching structures (5.2.5) are arranged at intervals in the front and at the back, and a first soil covering plate (5.2.6) is arranged between the first ditching structures and the second ditching structures; the second ditching structure (5.2.5) is arranged right behind the first ditching structure (5.2.3); the first soil covering plate (5.2.6) is longitudinally and horizontally arranged with a high front and a low back, and the rear end is higher than the lower end of the fertilizing tube (5.2.2) and lower than the lower end of the seeding tube (5.2.4);
the lower part of the fertilizer and seed storage and conveying system (4) is provided with a plurality of hoses which are respectively connected with a fertilizing pipe (5.2.2) and a seeding pipe (5.2.4).
2. The rotary tillage, normal position fertilization, precision seeding, suppression, extrusion ditch compound operation machine of claim 1, characterized in that: the front ends of the first ditching structure (5.2.3) and the second ditching structure (5.2.5) are respectively provided with a first guide structure and a second guide structure; in a horizontal section, the first guide structure and the second guide structure are both conical structures with small front parts and large rear parts.
3. The rotary tillage, normal fertilization, precision seeding, compacting, and ditch-squeezing compound working machine according to claim 1 or 2, characterized in that: a pressing device (6) is arranged behind the fertilizing and seeding device (5); the press device (6) comprises a press device supporting frame (6.3), a press roller (6.1) and a press device transmission system (6.2) for driving the press roller (6.1); the press roller (6.1) is horizontally arranged at the rear of the fertilizing and seeding device (5); the press device supporting frame (6.3) is transversely arranged above the press roller (6.1), and two sides of the press device supporting frame are connected with the rotary tillage supporting frame (1) or/and the fertilizing and seeding supporting frame (5.1); the transmission system (6.2) of the press device is arranged on one side of the support frame (6.3) of the press device.
4. The rotary tillage, normal position fertilization, precision seeding, suppression, extrusion ditch compound operation machine of claim 3, characterized in that: a ditch extruding disc (6.6) is arranged in the middle of the press roller (6.1); the extrusion groove disc (6.6) is a disc-shaped component, and the peripheries of the two side faces are conical faces which are convex outwards from the middle part.
5. The rotary tillage, normal position fertilization, precision seeding, suppression, extrusion ditch compound operation machine of claim 3, characterized in that: a rear-end transmission shell (6.4) is arranged in the middle of the supporting frame (6.3) of the compacting device, a middle transmission mechanism is arranged in the rear-end transmission shell (6.4), and the rotary tillage primary transmission mechanism (3.1) is connected with the middle transmission mechanism through a universal transmission shaft (6.5) to form a gap bridge type structure; the output shaft of the intermediate transmission mechanism drives a transmission system (6.2) of the compacting device.
6. The rotary tillage, normal position fertilization, precision seeding, suppression, extrusion ditch compound operation machine of claim 4, characterized in that: a rear-end transmission shell (6.4) is arranged in the middle of the supporting frame (6.3) of the compacting device, a middle transmission mechanism is arranged in the rear-end transmission shell (6.4), and the rotary tillage primary transmission mechanism (3.1) is connected with the middle transmission mechanism through a universal transmission shaft (6.5) to form a gap bridge type structure; the output shaft of the intermediate transmission mechanism drives a transmission system (6.2) of the compacting device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520701.1U CN214800599U (en) | 2020-11-04 | 2020-11-04 | Rotary tillage, normal position fertilization, precision seeding, suppression, extrusion ditch double entry workover rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520701.1U CN214800599U (en) | 2020-11-04 | 2020-11-04 | Rotary tillage, normal position fertilization, precision seeding, suppression, extrusion ditch double entry workover rig |
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| CN214800599U true CN214800599U (en) | 2021-11-23 |
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| CN202022520701.1U Active CN214800599U (en) | 2020-11-04 | 2020-11-04 | Rotary tillage, normal position fertilization, precision seeding, suppression, extrusion ditch double entry workover rig |
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