CN212086953U

CN212086953U - Transplanting mechanism of high-speed wide-narrow row rice transplanter

Info

Publication number: CN212086953U
Application number: CN202020333039.6U
Authority: CN
Inventors: 胡济荣; 吴在树; 李忠才
Original assignee: Zhejiang Xinglaihe Agricultural Equipment Co ltd
Current assignee: Zhejiang Xinglaihe Agricultural Equipment Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-12-08
Anticipated expiration: 2030-03-17

Abstract

The utility model particularly relates to a transplanting mechanism of a high-speed wide-narrow row rice transplanter. The seedling planting machine comprises a girder, a driving box arranged on the girder, a transverse conveying box connected with the output end of the driving box, a plurality of groups of transmission boxes, rotary boxes on two sides of the transmission boxes, and transplanting arms at two ends of the rotary boxes, wherein the distance between seedling needles on two sides of the single group of transmission boxes connected by the same rotating shaft is L0, the distance between adjacent seedling needles between the adjacent transmission boxes is L6, and L0 is greater than or less than L6; the output end of the transverse conveying box is connected with a reciprocating screw shaft, the reciprocating screw shaft drives the seedling box to do transverse reciprocating motion, and the end side of the reciprocating screw shaft is provided with a longitudinal conveying cam plate which does longitudinal reciprocating motion; a driving shaft and a driven shaft are arranged in the transverse conveying box in parallel, a plurality of groups of gear sets with different transmission ratios are arranged between the driving shaft and the driven shaft in a matched mode, and a sliding key is arranged on the driving shaft in an axial moving mode. The utility model discloses an interval between the rotation case in the mounted position of adjusting the transmission case or the transplanting unit realizes wide narrow row transplanting, and is with low costs, and the operation is convenient, satisfies different production requirements.

Description

Transplanting mechanism of high-speed wide-narrow row rice transplanter

Technical Field

The utility model relates to the technical field of agricultural machinery, concretely relates to mechanism is planted to high-speed wide narrow row transplanter.

Background

The transplanting mechanism is one of the core working components of the rice transplanter, and the working property of the transplanting mechanism determines the comprehensive level of transplanting of the rice transplanter. The row spacing of various high-speed rice transplanters used for production at present is a fixed value, and the distance between the planting arms is not variable, so that the high-speed rice transplanters are only suitable for the operation requirement in a certain area and cannot meet the difference of China regions, the difference of rice varieties and the difference of planting systems, thereby limiting the improvement of the mechanized level of the rice transplantation in China. Meanwhile, in the transplanting mode with equal row spacing, the sun shading problem inevitably occurs between plants, and the nutrients in soil are not uniformly utilized. Agricultural scientific research shows that the wide-narrow row transplanting mode can ensure reasonable hole number in unit area, and has the advantages of reasonable plant population distribution, good ventilation and light transmission performance, high photosynthesis rate and the like.

In the research aspect of the existing wide-narrow row rice transplanter, researchers mainly seek a working principle and a structure of a new transplanting mechanism to enable the new transplanting mechanism to transplant wide-narrow row rice seedlings with different specifications on a rice transplanter with equal row spacing, such as Chinese patents CN201010288683.7, CN201010500777.6, CN201410111869.3 and the like, and the research is very difficult because the structure of the rice transplanter is complicated, key parts of the rice transplanter become a non-standard product, the production is difficult, and the wide-narrow row rice transplanter cannot be popularized.

Disclosure of Invention

In order to simply realize wide-narrow row transplanting of rice transplanter, an object of the utility model is to provide a mechanism of planting of high-speed wide-narrow row transplanter, through the mounted position of adjusting the transmission case or separate the interval realization wide-narrow row transplanting between the rotary box in the unit, this mode is with low costs, and the operation is convenient, satisfies different production requirements.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a transplanting mechanism of high-speed wide-narrow row transplanter is composed of a crossbeam, a drive box on said crossbeam, a transverse conveying box connected to the output of drive box, multiple parallel transmission boxes, rotary boxes at both sides of transmission box, transplanting arms at both ends of rotary box, and transplanting needles on transplanting arms,

the distance between seedling needles on two sides of the single group of transmission boxes connected by the same rotating shaft is L0, the distance between adjacent seedling needles between adjacent transmission boxes is L6, and L0 is greater than or less than L6;

the output end of the transverse conveying box is connected with a reciprocating screw shaft, the reciprocating screw shaft drives the seedling box to do transverse reciprocating motion, and the end side of the reciprocating screw shaft is provided with a longitudinal conveying cam plate which does longitudinal reciprocating motion; the transverse conveying box is internally provided with a driving shaft and a driven shaft in parallel, a plurality of groups of gear sets with different transmission ratios are arranged between the driving shaft and the driven shaft in a matching manner, a sliding key is arranged on the driving shaft along the axial movement of the driving shaft, and the driving shaft is connected with one group of gear sets through the sliding key.

Furthermore, the transmission case is fixed on the girder, the rotating case is driven by the transmission case through a driving shaft, and the work or stop of the driving shaft is controlled by the opening and closing of a clutch arranged in the transmission case.

Furthermore, the middle part in the rotation box is provided with a sun wheel, two intermediate wheels in meshing transmission with the sun wheel, two planet wheels in meshing transmission with the intermediate wheels respectively, two rotation centers of the intermediate wheels and two rotation centers of the planet wheels are collinear with the rotation center of the sun wheel, the sun wheel is coaxially and fixedly connected with the rotating shaft, and the planet wheels are coaxially and fixedly connected with the transplanting arm.

Furthermore, a shifting fork connected with the sliding key is further arranged in the transverse conveying box, the end, far away from the sliding key, of the shifting fork is connected with a transverse conveying shifting shaft arranged in parallel with the driving shaft, the end, extending out of the transverse conveying box shell, of the transverse conveying shifting shaft is connected with a shifting handle, and the shifting handle shifts the shifting fork to drive the sliding key to slide along the axial direction, so that conversion among different transmission ratios is realized.

Further, the end of the transverse transmission gear shifting shaft in the transverse transmission box is provided with a plurality of groups of ring grooves, a ball is matched with the ring grooves, the ball deviates from the groove opening side and is abutted against a spring, and the spring is connected with the shell of the transverse transmission box.

Furthermore, the transverse transmission gear shifting shaft extends out of the end part of the transverse transmission box shell to be provided with a change gear, the middle part of the gear shifting handle is hinged with the transverse transmission box shell, and the end part of the gear shifting handle is provided with a sliding part which is in sliding fit with the change gear.

Furthermore, an eccentric shaft is arranged at the end part of the reciprocating screw shaft, the side wall of the eccentric shaft is abutted against a longitudinal feeding cam plate, the longitudinal feeding cam plate penetrates through a torsion spring, the torsion spring is fixed on a bracket, and the bracket supports the reciprocating screw shaft.

The utility model adopts the above technical scheme, beneficial effect as follows: 1) the row spacing is changed by adjusting the mounting position of the transmission case on the girder or the distance between two rotary cases in the rice transplanting unit; 2) the number of rows is changed by adding or subtracting the installation number of the transmission boxes, so that the cost is low, the operation is convenient, the row spacing and the number of rows can be changed, and different production requirements are met; 3) the transverse and longitudinal synchronous seedling feeding of the wide and narrow row rice transplanter realizes speed regulation through a plurality of groups of gear sets with different transmission ratios arranged in the transverse feeding box, adjusts the transverse and longitudinal seedling feeding amount and meets the seedling feeding requirements of different wide and narrow row rice transplanters.

Drawings

FIG. 1 is a schematic structural view of a separating and inserting mechanism;

FIG. 2 is a schematic structural diagram of the add/drop unit;

FIG. 3 is a schematic view of the whole of the seedling feeding structure;

FIG. 4 is a schematic view of the structure inside the transverse feed box;

FIG. 5 is a schematic view of a shift configuration;

fig. 6 is a schematic diagram of a shifting structure.

Detailed Description

For the related technical personnel to more clearly understand the technical scheme of the utility model, the utility model will now be described in further detail with reference to the attached drawings.

In the description of the present invention, it is to be understood that the terms "lateral," "longitudinal," "up," "down," and the like refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Examples

As shown in figures 1-6, the transplanting mechanism of the high-speed wide-narrow row transplanter comprises a girder 24, a driving box 26 arranged on the girder 24, a transverse conveying box 27, a plurality of groups of transmission boxes 24 arranged in parallel, rotary boxes 28 arranged on two sides of the transmission boxes 24, transplanting arms 29 arranged at two ends of the rotary boxes 28 and seedling needles 30 arranged on the transplanting arms 29, wherein the input end of the driving box 26 is connected with the power output end of a vehicle body, and after speed change conversion, the output end of the driving box 26 drives the seedling needles 30 arranged on the transplanting arms 29 through a driving shaft 25 to perform transplanting operation.

The output end of the transverse conveying box 27 is connected with a reciprocating screw shaft 14, a slide block 12 is arranged on the reciprocating screw shaft 14, a guide post 13 is arranged in the slide block 12, the guide post 13 is matched with the reciprocating screw shaft 14 to drive the slide block 12 to reciprocate along the axial direction and is positioned at two sides of the slide block 12, a telescopic protective sleeve 11 is sleeved on the reciprocating screw shaft 14, and the reciprocating screw shaft 14 is driven by the transverse conveying box 27 to drive the seedling box to transversely convey seedlings; an eccentric shaft 17 is fixed at the end part of the reciprocating screw shaft 14, the side wall of the shaft of the eccentric shaft 17 is abutted against a longitudinal feeding cam plate 15, a torsion spring 16 penetrates through the longitudinal feeding cam plate 15, the torsion spring 16 is fixed on a bracket 18, the bracket 18 supports the reciprocating screw shaft 14, the longitudinal feeding cam plate 15 finishes longitudinal feeding of seedlings, meanwhile, transverse and longitudinal transplanting is realized, and the transplanting efficiency is obviously improved. The lower side of the seedling box is provided with a seedling door guide rail 23 in a sliding fit manner, a plurality of seedling doors are arranged on the seedling door guide rail 23, the seedling doors and the seedling needles 30 are arranged correspondingly, and the centers of the seedling doors are positioned on the rotation planes of the symmetry lines of the corresponding seedling needles 30.

The transmission case 27 is fixed on the girder 22 and driven by the driving shaft 25, the transmission case 24 is provided with a driving sprocket on the side of the driving shaft 25, a driven sprocket on the side of the rotating shaft connected with the rotation case 28, and the driving shaft 25 and the rotating shaft are in chain transmission. The clutch is installed on the driving shaft 25 side of the transmission case 24, the operation or stop of the driving shaft 25 is controlled by the on-off of the clutch, the separate insertion or stop or operation of each unit is realized, and the requirement of adapting to various agricultural techniques is met.

The distance between seedling needles 30 connected by the same rotating shaft at two sides of the transmission boxes 24 in a single group is L0, the distance between adjacent seedling needles 30 between adjacent transmission boxes 24 is L6, the distance L between adjacent transmission boxes 24 is the sum of the distances, namely L0+ L6, and L0 is more than or less than L6.

In another embodiment, the values of L in different transplanting units can be different, and L0 and L6 are the distance between seedling needles 30 in the corresponding unit and the distance between the seedling needles 30 in the adjacent unit, respectively.

Through the technical scheme, the mounting position of the transmission case 24 on the girder 22 is changed, and the size of the L6 is further changed, so that the wide-narrow row transplanting operation with one wide row and one narrow row is realized; the number of rows may also be increased by correspondingly increasing the number of gear boxes 24. The mode is low in cost and convenient to operate, can change the row spacing and the number of rows, and meets different production requirements.

The middle part in the rotary box 28 is provided with a sun wheel 31, two intermediate wheels 32 in meshing transmission with the sun wheel 31, two planet wheels 33 in meshing transmission with the intermediate wheels 32 respectively, and the rotation centers of the intermediate wheels 32 and the two planet wheels 33 are collinear with the rotation center of the sun wheel 31. The sun wheel 31 is coaxially and fixedly connected with the rotating shaft, and the planet wheel 33 is coaxially and fixedly connected with the transplanting arm 29 and drives the transplanting arm 29 and the seedling needle 30 to rotationally transplant seedlings.

In another embodiment, the distance between the swivel box 28 and the rotating shaft is adjustable, and the adjusting shaft can be added. Thereby realizing wide and narrow row transplanting operation.

The transverse conveying box 27 is internally provided with a driving shaft 19 and a driven shaft 8 in parallel, the reciprocating screw shaft 14 is linked with the driven shaft 8 through a transmission gear arranged in a matching way, the driving shaft 19 is linked with the driven shaft 8 through gear sets with different transmission ratios, the gear sets are three sets and comprise a driving gear 10 connected with the driving shaft 19 and a driven gear 9 connected with the driven shaft 8, the driving gear 10 of the same set is meshed with the driven gear 9, a sliding key 20 is arranged on the driving shaft 19 along the axial movement of the driving shaft 19, the driving shaft 19 is connected with one set of gear sets through the sliding key 20, a shifting fork 3 is connected onto the sliding key 20, the end, far away from the sliding key 20, of the shifting fork 3 is connected with a transverse conveying shifting shaft 2 arranged in parallel with the driving shaft 19, a hanging wheel is arranged at the end part, extending out of a shell of the transverse conveying box 27, of the transverse conveying shifting shaft 2, and a sliding piece, the middle part of the gear shifting handle 1 is hinged with a shell of the transverse conveying box 27. Violently send the tip that shift shaft 2 is located violently send case 27 be equipped with three groups of annular 4 that the interval is unanimous between the gear unit, 4 both sides of annular are the cambered surface, have a ball 7 with the annular adaptation, ball 7 deviates from the notch side and supports to lean on there being spring 6, the 6 other ends of spring pass through bolt 5 and violently send case body coupling.

Above-mentioned technical scheme, through gear shift handle 1 connects 3 feather keys 20 of gear train shift fork, realizes the meshing of different drive ratio gear trains, realizes putting into gear through violently sending annular 4 of 2 one ends of gear shift axle, ball 7, the 6 complex limit structure of spring simultaneously. The handle structure is convenient for an operator to grasp and operate; meanwhile, the lever principle is utilized, so that the operation is more labor-saving, and the gear engagement is more accurate.

In conclusion, the line spacing is changed by adjusting the mounting position of the transmission case 24 on the girder 22 or the distance between the two rotary cases 28 in the rice transplanting unit; the wide-narrow row arrangement mode of the transplanting mechanism of the high-speed transplanter is realized by changing the row number through adding and subtracting the installation number of the transmission boxes 24. The transverse and longitudinal synchronous seedling feeding of the wide and narrow row transplanter realizes speed regulation through a plurality of groups of gear sets with different transmission ratios arranged in the transverse feeding box 27, adjusts the transverse and longitudinal seedling feeding amount and meets the seedling feeding requirements of different wide and narrow row transplanters.

What has been described above is merely a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.

Claims

1. A transplanting mechanism of a high-speed wide-narrow row transplanter comprises a girder (22), a driving box (26) arranged on the girder (22), a transverse conveying box (27) connected with the output end of the driving box (26), a plurality of groups of transmission boxes (24) arranged in parallel, rotary boxes (28) at two sides of the transmission boxes (24), transplanting arms (29) at two ends of the rotary boxes (28) and seedling needles (30) on the transplanting arms (29), and is characterized in that,

the distance between seedling needles (30) connected by the same rotating shaft at two sides of a single group of transmission boxes (24) is L0, the distance between adjacent seedling needles (30) between adjacent transmission boxes (24) is L6, and L0 is greater than or less than L6;

the output end of the transverse conveying box (27) is connected with a reciprocating screw shaft (14), the reciprocating screw shaft (14) drives the seedling box to do transverse reciprocating motion, a longitudinal conveying cam plate (15) is arranged at the end side of the reciprocating screw shaft (14), and the longitudinal conveying cam plate (15) does longitudinal reciprocating motion; transversely send case (27) internal parallel arrangement driving shaft (19) and driven shaft (8), the cooperation is equipped with the gear train of the different drive ratios of multiunit between driving shaft (19) and driven shaft (8), it is equipped with feather key (20) to go up along its axial displacement in driving shaft (19), driving shaft (19) are connected with one of them a set of gear train through feather key (20).

2. The transplanting mechanism of a high-speed wide-narrow row rice transplanter according to claim 1, wherein the transmission case (24) is fixed on the girder (22), the rotating case (28) is driven by the transmission case (24) through a driving shaft (25), and the operation or stop of the driving shaft (25) is controlled by the engagement and disengagement of a clutch provided in the transmission case (24).

3. The transplanting mechanism of a high-speed wide-narrow row rice transplanter according to claim 1 or 2, characterized in that a sun gear (31) is arranged at the middle part in the rotating box (28), two intermediate gears (32) in meshing transmission with the sun gear (31), and two planetary gears (33) in meshing transmission with the intermediate gears (32) respectively, the rotation centers of the two intermediate gears (32) and the two planetary gears (33) are collinear with the rotation center of the sun gear (31), the sun gear (31) is coaxially and fixedly connected with the rotating shaft, and the planetary gears (33) are coaxially and fixedly connected with the transplanting arm (29).

4. The transplanting mechanism of a high-speed wide-narrow row rice transplanter according to claim 1, characterized in that a shifting fork (3) connected with the sliding key (20) is further arranged in the traverse box (27), the end of the shifting fork (3) far away from the sliding key (20) is connected with a traverse shift shaft (2) parallel to the driving shaft (19), the end of the traverse shift shaft (2) extending out of the housing of the traverse box (27) is connected with a shift handle (1), and the shift handle (1) shifts the shifting fork (3) to drive the sliding key (20) to slide axially, so as to realize the conversion between different transmission ratios.

5. The transplanting mechanism of a high-speed wide-narrow row rice transplanter according to claim 4, wherein the end of the traverse shifting shaft (2) in the traverse box (27) is provided with a plurality of groups of ring grooves (4), a ball (7) is matched with the ring grooves (4), the side of the ball (7) departing from the groove opening is abutted with a spring (6), and the spring (6) is connected with the casing of the traverse box (27).

6. The transplanting mechanism of the high-speed wide-narrow row transplanter as claimed in claim 4, wherein: the end part of the transverse transmission gear shifting shaft (2) extending out of the transverse transmission box (27) is provided with a change gear, the middle part of the gear shifting handle (1) is hinged with the transverse transmission box (27) shell, and the end part of the gear shifting handle is provided with a sliding piece which is in sliding fit with the change gear.

7. The transplanting mechanism of a high-speed wide-narrow row rice transplanter according to claim 1, characterized in that an eccentric shaft (17) is arranged at the end of the reciprocating screw shaft (14), a longitudinal feeding cam plate (15) abuts against the side wall of the eccentric shaft (17), the longitudinal feeding cam plate (15) penetrates through a torsion spring (16) and the torsion spring (16) is fixed on a bracket (18), and the bracket (18) supports the reciprocating screw shaft (14).