CN112970392A - Modular wide-narrow row adjustable rice transplanter - Google Patents
Modular wide-narrow row adjustable rice transplanter Download PDFInfo
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- CN112970392A CN112970392A CN202110232622.7A CN202110232622A CN112970392A CN 112970392 A CN112970392 A CN 112970392A CN 202110232622 A CN202110232622 A CN 202110232622A CN 112970392 A CN112970392 A CN 112970392A
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- seedling box
- seedling
- row spacing
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/003—Transplanting machines for aquatic plants; for planting underwater, e.g. rice
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/006—Other parts or details or planting machines
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Abstract
The invention relates to a modular wide-narrow row adjustable rice transplanter, which comprises: the seedling box comprises a plurality of planting units, a seedling box positioning upper slideway, a seedling box positioning lower slideway, a seedling box bracket, a seedling transplanting shaft, a fixed beam, a power transmission box, a driven pulley shaft, a driving pulley shaft and four pulley shaft brackets; each planting unit comprises seedling box units, a slide rail, a supporting arm and two seedling box unit fixing plates, and a row spacing adjusting gap is formed between the seedling box units. The transplanter is divided into a plurality of planting units, and when the row spacing is adjusted, parts in the planting units are correspondingly adjusted, so that the fixed narrow row spacing and the stepless adjustable wide row spacing are realized. The invention has reasonable and compact structure, simple structure and convenient adjustment, can select the row spacing required by rice transplanting according to different conditions, achieves the aims of ventilation, light transmission and disease and insect pest prevention, and improves the rice yield. The row spacing stepless adjustable transplanter adapts to diversified rice planting systems in China, and compared with the existing row spacing adjustable transplanter, the row spacing stepless adjustable transplanter has better and wider practicability.
Description
Technical Field
The invention relates to a planting machine in the field of agricultural machinery, in particular to a modular wide-narrow row adjustable rice transplanter.
Background
At present, rice transplanting of a rice transplanter mainly adopts equal row spacing for transplanting rice, a supporting arm is fixedly arranged on a supporting beam through a bolt, the row spacing is mainly 250mm and 300mm, and the supporting arm is fixed and unadjustable. Equal row spacing transplanting easily leads to poor ventilation effect of seedlings, thereby causing rice plant diseases and insect pests, and in addition, because uniform transplanting causes insufficient illumination, photosynthesis is weakened, thereby greatly reducing the yield of rice. The wide-narrow row transplanter alternately plants by using the wide row spacing and the narrow row spacing at intervals, thereby ensuring the reasonable planting hole number per unit area, being beneficial to increasing the ventilation and the light transmittance among rice plants, and simultaneously increasing the illumination per unit leaf area, and achieving the purposes of high quality of rice and yield increase.
The area of China is wide, the difference between the climate environment, the terrain and the like of each region is large, the types and the varieties of rice are various, the planting modes and the soil conditions are different, and therefore, the close planting systems required by rice transplanting are also different. Most wide-narrow row rice transplanters on the market are fixed in a wide-narrow row mode and cannot be adjusted or row spacing cannot be adjusted in a stepless mode due to the fact that gears exist, and the rice transplanters cannot meet diversified agricultural planting requirements of rice production.
Application No. 201010127011.8 Wide-narrow row rice transplanter discloses a wide-narrow row rice transplanter capable of transplanting rice in wide-narrow rows, wherein a seedling box is divided into a plurality of seedling blanket placing units, each unit is provided with two seedling taking and transplanting mechanisms with narrow row spacing, the spacing between the seedling taking and transplanting mechanisms of adjacent units is the wide row spacing, and alternating interval planting of the wide row spacing and the narrow row spacing of the rice is realized. However, the row spacing of the wide and narrow rows of the rice transplanter is fixed, the row spacing cannot be adjusted according to the requirements of rice planting to carry out different-region operation, and the rice transplanter is not suitable for diversified rice planting systems in China and is not beneficial to large-area popularization and application of mechanized rice planting.
Application No. 200810022223.2 "Rice transplanter with adjustable row spacing" proposes a rice transplanter with adjustable row spacing, which is characterized in that the transplanting arm support is provided with a row spacing adjusting mechanism with adjustable spacing between inner and outer seedling claws, the upper surface of the seedling box plate is provided with movable barrier strips with adjustable distance relative to the middle fixed barrier strips, and the movable barrier strips are arranged at two sides of the fixed barrier strips. The row spacing adjusting mechanism of the rice transplanter adjusts the row spacing by changing the length of the driven chain wheel shaft, at least two positioning holes are arranged on the outer wall of the sliding support sleeve, and positioning screws are arranged at corresponding positions on the transplanting arm support, so that the adjusting gear position is provided, a rice seedling taking port matched with the adjusting gear position is not provided, the adjustable row spacing range is very small, and the stepless adjustment of the transplanting row spacing cannot be realized.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a modular wide-narrow row rice transplanter with adjustable rice planting row spacing, which realizes the stepless adjustment of the fixed narrow row spacing and the wide row spacing, meets the requirements of rice transplanting of different row spacing, realizes a scientific and reasonable wide-narrow row planting mode, and can adapt to diversified rice planting systems in various regions.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a modular wide and narrow row adjustable rice transplanter comprising: a plurality of planting units, a seedling box positioning upper slideway 15, a seedling box positioning lower slideway 17, a seedling box bracket 18, a seedling transplanting shaft 11, a fixed beam 14, a power transmission box 22, a driven pulley shaft 24, a driving pulley shaft 29 and four pulley shaft brackets 27;
each planting unit comprises a seedling box unit, a slide rail, a supporting arm 8 and two seedling box unit fixing plates 16. Each seedling box unit comprises two seedling placing units which are arranged in parallel left and right, and the upper parts and the middle parts of the two seedling placing units are fixedly connected together by a seedling box unit fixing plate 16 respectively. The seedling placing unit comprises a seedling box bottom plate 1, a seedling box partition plate 2, an inserting plate 3, a seedling conveying belt 19, a driving belt wheel 28 and a driven belt wheel 26, wherein the seedling conveying belt 19 is arranged at the square vacancy at the lower part of the seedling box bottom plate 1 through the driving belt wheel 28 and the driven belt wheel 26.
Each seedling box unit fixing plate 16 is fixedly connected with two seedling box bottom plates 1 through a plurality of screws or bolts, the two seedling box unit fixing plates 16 are respectively connected with a seedling box positioning upper slideway 15 and a seedling box positioning lower slideway 17, and the joints are provided with positioning bolt holes and connected through T-shaped bolts 30;
the seedling box unit and the supporting arm 8 are of a movable structure, and the seedling box unit is arranged on the seedling box positioning upper slideway 15 and the seedling box positioning lower slideway 17 and can move along the seedling box positioning upper slideway 15 and the seedling box positioning lower slideway 17; one end of the supporting arm 8 is mounted on the fixed beam 14 and can move along the fixed beam 14 so as to adjust the row spacing;
the upper part of the seedling box unit is supported by a seedling box bracket 18, the lower part is supported on a slide rail, and the lower end of the seedling box bracket 18 is fixedly arranged on the fixed beam 14; the slide rail is fixedly arranged on the supporting arm 8 through a supporting rod 13.
The driving pulley shaft 29 and the driven pulley shaft 24 are arranged into a hexagonal shaft, and the driving pulley shaft 29 is connected with a longitudinal seedling feeding driving mechanism; the two belt wheel shaft brackets 27 on the left are arranged on the seedling box partition plate 2 on the leftmost side of the seedling box unit on the left, and the two belt wheel shaft brackets 27 on the right are arranged on the seedling box partition plate 2 on the rightmost side of the seedling box unit on the right; a driving pulley shaft 29 is mounted in the upper two pulley shaft supports 27, and a driven pulley shaft 24 is mounted in the lower two pulley shaft supports 27; the driving pulley 28 and the driven pulley 26 are mounted on the driving pulley shaft 29 and the driven pulley shaft 24, respectively. When the pitch is adjusted, the driving pulley 28 and the driven pulley 26 are movable left and right on the hexagonal axis, respectively.
The distance between the adjacent seedling claws of the adjacent planting units is wide row spacing, the wide row spacing can be steplessly adjusted, the distance between the left seedling claw and the right seedling claw in the planting units is narrow row spacing, and the narrow row spacing is fixed. When the row spacing of the wide rows is adjusted, each planting unit can move left and right, and the seedling box units, the slide rails, the supporting arms and other mechanisms in the planting units are correspondingly adjusted, wherein the row spacing of the narrow rows is 15-20 cm, the adjustable range of the row spacing of the wide rows is 15-50 cm, and the minimum row spacing of the wide rows is equal to the row spacing of the narrow rows. For example: when the narrow row spacing is 20cm, the adjustable range of the wide row spacing is 20-50 cm.
A row spacing adjusting gap is formed between seedling box clapboards of adjacent seedling box units, the maximum distance of the row spacing adjusting gap is 30-35 cm, and the minimum distance is 0 cm. When the line spacing adjustment gap distance is maximum, the wide line spacing is maximum; when the minimum row spacing adjusting clearance distance is 0cm, the wide row spacing is the minimum, the wide row spacing is equal to the narrow row spacing, and the transplanter is an equal-row spacing transplanter.
The seedling box positioning upper slideway 15 and the seedling box positioning lower slideway 17 are respectively connected with an upper seedling box unit fixing plate 16 and a lower seedling box unit fixing plate 16 through T-shaped bolts. When the line spacing is adjusted to adjust the gap, the T-shaped bolt is loosened, the head part of the T-shaped bolt can slide in the seedling box positioning upper slideway 15 and the seedling box positioning lower slideway 17, and the upper and lower seedling box unit fixing plates 16 can drive the seedling box unit to move left and right; when the required wide row spacing is achieved, the T-shaped bolts are screwed down to fix the position of the seedling box unit.
The seedling box positioning upper slideway 15 is provided with two slideways, one slideway is used for adjusting the row spacing and adjusting the gap, and the other slideway is in sliding contact with the seedling box bracket 18 and is used for supporting the whole seedling box unit. When the seedling box is transversely fed, the seedling box unit slides left and right on the slide rail, and the seedling box positioning upper slide way 15 and the seedling box bracket 18 also slide relatively.
Each section of slide rail is provided with two seedling taking openings 7, and each seedling taking opening 7 corresponds to one seedling placing unit.
Taking a 6-row transplanter as an example, three sections of sliding rails are shared, namely a left sliding rail 25, a middle sliding rail 23 and a right sliding rail 20, when the row spacing of the wide row is the maximum, a certain distance exists between the sliding rails, and when the row spacing of the wide row is the minimum, the sliding rails can be connected together without gaps. The joint of the right side of the left slide rail and the middle slide rail is concave and thick, the joint of the left side of the right slide rail and the middle slide rail is concave and thick, reinforcing ribs are not arranged at the joint of the left slide rail and the middle slide rail, a sliding groove is arranged at the position, thick, of the left side wall of the left seedling taking opening and the right side wall of the right seedling taking opening of the middle slide rail, the groove width is thick, and the groove length is the plate length of the concave part of the left slide rail and the right.
One end of the supporting arm 8 is installed on the fixed beam 14 through two U-shaped bolts 21, and the fixed beam 14 can be provided with row spacing adjustment scales, so that row spacing adjustment is facilitated.
The driven chain wheel 33 of each supporting arm 8 is connected with two rotary boxes 9, each rotary box 9 is provided with two transplanting arms 12, and each transplanting arm 12 is provided with a seedling claw 31; the distance between the left seedling claw 31 and the right seedling claw 31 is a narrow row spacing, and the row spacing is fixed. The driving chain wheel 32 of the supporting arm 8 is connected with a rice transplanting shaft 11 through a shaft sleeve 10, wherein the rice transplanting shaft 11 is a hexagonal shaft, the supporting arm 8 can move left and right on the hexagonal shaft when the row spacing is adjusted, and the rice transplanting shaft 11 is connected with the power transmission box 22.
The driving pulley shaft 29, the driven pulley shaft 24 and the seedling transplanting shaft 11 are hexagonal shafts, so that not only can the row spacing be conveniently adjusted, but also the number of the supporting arms 8 and the seedling box units can be conveniently increased or reduced, and the row number can be adjusted.
The invention has the beneficial effects that:
the invention has reasonable and compact structure, simple structure and convenient adjustment, can select the row spacing required by rice transplanting according to different conditions, realizes scientific and reasonable wide-narrow row planting mode for mechanical rice transplanting, achieves the purposes of ventilation, light transmission and disease and pest prevention, and improves the rice yield. The modular row spacing stepless adjustable transplanter is suitable for diversified rice planting systems in China, and compared with the existing high-speed transplanter with adjustable row spacing on the market, the modular row spacing stepless adjustable transplanter has better and wider practicability.
Drawings
The invention has the following drawings:
FIG. 1 is an overall front three-dimensional schematic view of the present invention;
FIG. 2 is an overall rear three-dimensional schematic view of the present invention;
FIG. 3 is a three-dimensional schematic diagram of the rice transplanter with equal row spacing;
FIG. 4 is an enlarged schematic view of section A of FIG. 2;
FIG. 5 is an enlarged schematic view of section B of FIG. 2;
FIG. 6 is an enlarged schematic view of section C of FIG. 3;
FIG. 7 is a three-dimensional schematic view of the left rail of the present invention;
FIG. 8 is a three-dimensional schematic view of the middle rail of the present invention;
FIG. 9 is a three-dimensional schematic view of the right rail of the present invention;
FIG. 10 is an enlarged schematic view of section D of FIG. 2;
FIG. 11 is a three-dimensional schematic view of a support arm of the present invention;
fig. 12 is a sectional view of fig. 11.
The reference numbers in the figures are: 1. seedling box bottom plate, 2, seedling box partition plate, 3, inserting plate, 4, left seedling box unit, 5, middle seedling box unit, 6, right seedling box unit, 7, seedling taking opening, 8, supporting arm, 9, rotary box, 10, shaft sleeve, 11, seedling transplanting shaft, 12, transplanting arm, 13, supporting rod, 14, fixed beam, 15, seedling box positioning upper slideway, 16, seedling box unit fixed plate, 17, seedling box positioning lower slideway, 18, seedling box bracket, 19, seedling conveying belt, 20, right sliding rail, 21, U-shaped bolt, 22, power transmission box, 23, middle sliding rail, 24, driven belt wheel shaft, 25, left sliding rail, 26, driven belt wheel, 27, belt wheel shaft bracket, 28, driving belt wheel, 29, driving belt wheel shaft, 30, T-shaped bolt, 31, claw, 32, driving chain wheel and 33 driven chain wheel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-10, the modular wide-narrow row adjustable rice transplanter of the present invention comprises a plurality of planting units, a seedling box positioning upper slideway 15, a seedling box positioning lower slideway 17, a seedling box bracket 18, a transplanting shaft 11, a fixed beam 14, a power transmission box 22, a driven pulley shaft 24, a driving pulley shaft 29 and four pulley shaft brackets 27;
each planting unit comprises a seedling box unit, a slide rail, a supporting arm 8 and two seedling box unit fixing plates 16. Each seedling box unit comprises two seedling placing units which are arranged in parallel left and right, and the upper parts and the middle parts of the two seedling placing units are fixedly connected together by a seedling box unit fixing plate 16 respectively. The seedling placing unit comprises a seedling box bottom plate 1, a seedling box partition plate 2, an inserting plate 3, a seedling conveying belt 19, a driving belt wheel 28 and a driven belt wheel 26, the seedling conveying belt 19 is installed at a square vacancy at the lower part of the seedling box bottom plate 1 through the driving belt wheel 28 and the driven belt wheel 26, a driving belt wheel shaft 29 and a driven belt wheel shaft 24 are arranged to be a hexagonal shaft, and the driving belt wheel shaft 29 is connected with a longitudinal seedling feeding driving mechanism.
The two belt wheel shaft brackets 27 on the left are arranged on the seedling box partition plate 2 on the leftmost side of the seedling box unit on the left, and the two belt wheel shaft brackets 27 on the right are arranged on the seedling box partition plate 2 on the rightmost side of the seedling box unit on the right; a driving pulley shaft 29 is mounted in the upper two pulley shaft supports 27, and a driven pulley shaft 24 is mounted in the lower two pulley shaft supports 27; the driving pulley 28 and the driven pulley 26 are mounted on the driving pulley shaft 29 and the driven pulley shaft 24, respectively. When the pitch is adjusted, the driving pulley 28 and the driven pulley 26 are movable left and right on the hexagonal axis, respectively.
Each seedling box unit fixing plate 16 is fixedly connected with two seedling box bottom plates 1 through a plurality of screws or bolts, the two seedling box unit fixing plates 16 are respectively connected with a seedling box positioning upper slideway 15 and a seedling box positioning lower slideway 17, and the joints are provided with positioning bolt holes and connected through T-shaped bolts 30.
The seedling box unit and the supporting arm 8 are of a movable structure, and the seedling box unit is arranged on the seedling box positioning upper slideway 15 and the seedling box positioning lower slideway 17 and can move along the seedling box positioning upper slideway 15 and the seedling box positioning lower slideway 17; one end of the supporting arm 8 is installed on the fixed beam 14, and can move along the fixed beam 14, so that the row spacing adjustment is convenient to carry out.
The distance between the adjacent seedling claws of the adjacent planting units is wide row spacing, the wide row spacing can be steplessly adjusted, the distance between the left seedling claw and the right seedling claw in the planting units is narrow row spacing, and the narrow row spacing is fixed. When the row spacing of the wide rows is adjusted, each planting unit can move left and right, and the seedling box units, the slide rails, the supporting arms and other mechanisms in the planting units are correspondingly adjusted, wherein the row spacing of the narrow rows is 15-20 cm, the adjustable range of the row spacing of the wide rows is 15-50 cm, and the minimum value of the row spacing of the wide rows is equal to the row spacing of the narrow rows. For example: when the narrow row spacing is 20cm, the adjustable range of the wide row spacing is 20-50 cm.
A row spacing adjusting gap is formed between seedling box clapboards of adjacent seedling box units, the maximum distance of the row spacing adjusting gap is 30-35 cm, and the minimum distance is 0 cm. When the line spacing adjustment gap distance is maximum, the wide line spacing is maximum; when the minimum row spacing adjusting clearance distance is 0cm, the wide row spacing is the minimum, the wide row spacing is equal to the narrow row spacing, and the transplanter is an equal-row spacing transplanter.
The seedling box positioning upper slideway 15 and the seedling box positioning lower slideway 17 are respectively connected with an upper seedling box unit fixing plate 16 and a lower seedling box unit fixing plate 16 through T-shaped bolts. When the line spacing is adjusted to adjust the gap, the T-shaped bolt is loosened, the head part of the T-shaped bolt can slide in the seedling box positioning upper slideway 15 and the seedling box positioning lower slideway 17, and the upper and lower seedling box unit fixing plates 16 can drive the seedling box unit to move left and right; when the required wide row spacing is achieved, the T-shaped bolts are screwed down to fix the position of the seedling box unit.
The upper part of the seedling box unit is supported by a seedling box bracket 18, the lower part is supported on a slide rail, and the lower end of the seedling box bracket 18 is fixedly arranged on the fixed beam 14. The seedling box positioning upper slideway 15 is provided with two slideways, one slideway is used for adjusting the row spacing and adjusting the gap, and the other slideway is in sliding contact with the seedling box bracket and is used for supporting the whole seedling box unit. When the seedling box is transversely fed, the seedling box unit slides left and right on the slide rail, and the seedling box positioning upper slide way 15 and the seedling box bracket 18 also slide relatively.
The slide rail is fixedly arranged on the supporting arm 8 through the supporting rod 13 and moves along with the supporting arm 8 when the row spacing is adjusted, so that the relative position of the seedling taking port 7 and the seedling claw cannot be changed, and the adjustment error of the seedling taking port 7 is avoided. Each section of slide rail is provided with two seedling taking openings 7, and each seedling taking opening 7 corresponds to one seedling placing unit. Taking a 6-row transplanter as an example, three sections of sliding rails are shared, namely a left sliding rail 25, a middle sliding rail 23 and a right sliding rail 20, when the row spacing of the wide row is the maximum, a certain distance exists between the sliding rails, and when the row spacing of the wide row is the minimum, the sliding rails can be connected together without gaps. The joint of the right side of the left slide rail and the middle slide rail is concave and thick, the joint of the left side of the right slide rail and the middle slide rail is concave and thick, reinforcing ribs are not arranged at the joint of the left slide rail and the middle slide rail, a sliding groove is arranged at the position, thick, of the left side wall of the left seedling taking opening and the right side wall of the right seedling taking opening of the middle slide rail, the groove width is thick, and the groove length is the plate length of the concave part of the left slide rail and the right.
One end of the supporting arm 8 is installed on the fixed beam 14 through two U-shaped bolts 21, and the fixed beam 14 can be provided with row spacing adjustment scales, so that row spacing adjustment is facilitated. When the line spacing is adjusted, the U-shaped bolt 21 is loosened, the supporting arm 8 can move left and right, and when the required line spacing is reached, the U-shaped bolt 21 is screwed to fix the supporting arm 8. A driven chain wheel 33 and a driving chain wheel 32 are arranged in each supporting arm 8; the driven chain wheel 33 is connected with two rotary boxes 9, each rotary box 9 is provided with two transplanting arms 12, and each transplanting arm 12 is provided with a seedling claw 31; the distance between the left seedling claw 31 and the right seedling claw 31 is a narrow row spacing, and the row spacing is fixed. The lower end of the support rod 13 is welded on the support arm 8. The driving chain wheel of the supporting arm 8 is connected with a rice transplanting shaft 11 through a shaft sleeve 10, the rice transplanting shaft 11 is a hexagonal shaft, the supporting arm 8 can move left and right on the hexagonal shaft when the row spacing is adjusted, and the rice transplanting shaft 11 is connected with a power transmission box 22.
The driving pulley shaft 29, the driven pulley shaft 24 and the seedling transplanting shaft 11 are hexagonal shafts, so that not only can the row spacing be conveniently adjusted, but also the number of the supporting arms 8 and the seedling box units can be conveniently increased or reduced, and the row number can be adjusted.
A modular wide-narrow row adjustable rice transplanter is suitable for 6-row or 8-row rice transplanters, and the following working process will be described in detail by taking a 6-row rice transplanter as an example.
The invention relates to a modular wide-narrow row adjustable rice transplanter which mainly comprises a left seedling box unit 4, a middle seedling box unit 5, a right seedling box unit 6, three supporting arms 8, a fixed beam 14, a right slide rail 20, a middle slide rail 23 and a left slide rail 25. The left seedling box unit 4, the middle seedling box unit 5 and the right seedling box unit 6 respectively comprise two seedling placing units which are arranged in parallel left and right, and the upper parts and the middle parts of the two seedling placing units are fixedly connected together by a seedling box unit fixing plate 16. The seedling placing unit comprises a seedling box bottom plate 1, a seedling box partition plate 2, an inserting plate 3, a seedling conveying belt 19, a driving belt wheel 28 and a driven belt wheel 26, the seedling conveying belt 19 is installed at a square vacancy at the lower part of the seedling box bottom plate 1 through the driving belt wheel 28 and the driven belt wheel 26, a driving belt wheel shaft 29 and a driven belt wheel shaft 24 are arranged to be a hexagonal shaft, and the driving belt wheel shaft 29 is connected with a longitudinal seedling feeding driving mechanism.
Each seedling box unit fixing plate 16 is fixedly connected with two seedling box bottom plates 1 through eight screws or bolts, the two seedling box unit fixing plates 16 are respectively connected with a seedling box positioning upper slideway 15 and a seedling box positioning lower slideway 17, and the joints are provided with positioning bolt holes and connected through T-shaped bolts 30. The seedling box positioning upper slideway 15 is provided with two slideways, one slideway is used for adjusting the row spacing and adjusting the gap, and the other slideway is in sliding contact with the seedling box bracket 18 and is used for supporting the whole seedling box. The seedling box bracket 18 is used for supporting the whole seedling box unit, and the lower end of the seedling box bracket is fixedly arranged on the fixed beam 14 through bolts.
The right slide rail 20, the middle slide rail 23 and the left slide rail 25 are fixedly connected with the respective support rods 13 respectively, and the support rods 13 are welded on the support arm 8. One end of the supporting arm 8 is arranged on the fixed beam 14 through two U-shaped bolts 21; the driven chain wheel 33 of the supporting arm 8 is connected with two rotary boxes 9, and each rotary box 9 is provided with two transplanting arms 12; the driving chain wheel 32 of the supporting arm 8 is connected with a rice transplanting shaft 11 through a shaft sleeve 10, the rice transplanting shaft 11 is a hexagonal shaft, and the rice transplanting shaft 11 is connected with the power transmission box 22.
When the row spacing of the wide rows needs to be adjusted, the whole seedling box is moved to the left extreme position and the right extreme position, and then the distance between the adjacent seedling claws between the planting units is respectively adjusted. When the row spacing is adjusted, only the distance between seedling claws of adjacent planting units needs to be measured, and the distance between row spacing adjustment gaps between seedling box units does not need to be measured. When the fixed beam is provided with row spacing adjustment scales, the distance between adjacent seedling claws between the planting units can be directly adjusted without measuring the distance. The specific adjustment process is as follows:
firstly, the U-shaped bolt 21 is loosened, the supporting arm 8 is moved, the driving chain wheel of the supporting arm moves left and right on the seedling transplanting shaft 11, the right slide rail 20, the middle slide rail 23 and the left slide rail 25 move along with the supporting arm, the relative positions of the seedling taking opening 7 and the seedling claw 31 cannot be changed, and when the required row spacing is reached, the U-shaped bolt is screwed down to fix the position of the supporting arm.
Thirdly, when the whole seedling box moves to the extreme position at the left side, after the supporting arm is adjusted to obtain the required row spacing, the T-shaped bolts 30 in the upper seedling box positioning slide way and the lower seedling box positioning slide way are loosened, the seedling box unit is moved, the heads of the T-shaped bolts can slide in the upper seedling box positioning slide way 15 and the lower seedling box positioning slide way 17, at the moment, the belt wheel moves left and right on the belt wheel shaft, when the left sides of the seedling box partition plates at the middle and the right sides of each seedling box unit are respectively aligned with the right sides of the seedling taking openings of the corresponding segmented slide rails, the T-shaped bolts are screwed to fix the position of the seedling box unit, and the.
Another case is: when the whole seedling box moves to the extreme position on the right side, the T-shaped bolt 30 in the upper seedling box positioning slide way and the lower seedling box positioning slide way is loosened after the supporting arm is adjusted to obtain the required row spacing, the seedling box unit is moved, the head part of the T-shaped bolt can slide in the upper seedling box positioning slide way and the lower seedling box positioning slide way, at the moment, the belt wheel moves left and right on the belt wheel shaft, when the right sides of the seedling box partition plates in the middle and on the left side of each seedling box unit are respectively aligned with the left sides of the seedling taking openings of the corresponding segmented slide rails, the T-shaped bolt is screwed to fix the position of the seedling box unit.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A modular wide and narrow row adjustable rice transplanter is characterized by comprising: the seedling box planting machine comprises a plurality of planting units, a seedling box positioning upper slideway (15), a seedling box positioning lower slideway (17), a seedling box bracket (18), a seedling transplanting shaft (11), a fixed beam (14), a power transmission box (22), a driven pulley shaft (24), a driving pulley shaft (29) and four pulley shaft brackets (27);
each planting unit comprises a seedling box unit, a slide rail, a supporting arm (8) and two seedling box unit fixing plates (16); each seedling box unit comprises two seedling placing units which are arranged in parallel left and right, and the upper parts and the middle parts of the two seedling placing units are fixedly connected together by a seedling box unit fixing plate (16); the seedling placing unit comprises a seedling box bottom plate (1), a seedling box partition plate (2), an inserting plate (3), a seedling conveying belt (19), a driving belt wheel (28) and a driven belt wheel (26), wherein the seedling conveying belt (19) is arranged at a square vacancy at the lower part of the seedling box bottom plate (1) through the driving belt wheel (28) and the driven belt wheel (26);
the upper end of the seedling box bracket (18) is connected with the seedling box positioning upper slideway (15) in a sliding way, and the lower end of the seedling box bracket (18) is fixedly arranged on the fixed beam (14); the two seedling box unit fixing plates (16) are respectively connected with the seedling box positioning upper slideway (15) and the seedling box positioning lower slideway (17), and the seedling box unit can move left and right along the seedling box positioning upper slideway (15) and the seedling box positioning lower slideway (17) through the two seedling box unit fixing plates (16); the lower part of the seedling box unit is supported on a slide rail, and the slide rail is fixedly arranged on a supporting arm (8) through a supporting rod (13); one end of the support arm (8) is mounted on the fixed beam (14) and can move along the fixed beam (14).
2. The modular wide-narrow row adjustable rice transplanter according to claim 1, wherein: the two belt wheel shaft brackets (27) on the left are arranged on the seedling box partition plate (2) on the leftmost side of the seedling box unit on the left, and the two belt wheel shaft brackets (27) on the right are arranged on the seedling box partition plate (2) on the rightmost side of the seedling box unit on the right; the driving pulley shaft (29) is arranged in the upper two pulley shaft brackets (27), and the driven pulley shaft (24) is arranged in the lower two pulley shaft brackets (27); the driving belt wheel (28) and the driven belt wheel (26) are respectively arranged on a driving belt wheel shaft (29) and a driven belt wheel shaft (24); the driving pulley shaft (29) is connected with a longitudinal seedling feeding driving mechanism.
3. The modular wide-narrow row adjustable rice transplanter according to claim 1, wherein: each seedling box unit fixing plate (16) is fixedly connected with the two seedling box bottom plates (1) through a plurality of screws or bolts; the seedling box positioning upper slideway (15) and the seedling box positioning lower slideway (17) are respectively connected with an upper seedling box unit fixing plate (16) and a lower seedling box unit fixing plate (16) through T-shaped bolts (30).
4. The modular wide-narrow row adjustable rice transplanter according to claim 1, wherein: the seedling box positioning upper slideway (15) is provided with two slideways, one slideway is connected with a seedling box unit fixing plate (16) at the upper part, and the other slideway is connected with a seedling box bracket (18) in a sliding way and is used for supporting the upper part of the seedling box unit; when the seedling box is transversely fed, the seedling box unit slides left and right, and the seedling box positioning upper slideway (15) and the seedling box bracket (18) also slide relatively.
5. The modular wide-narrow row adjustable rice transplanter according to claim 1, wherein: one end of the supporting arm (8) is installed on the fixed beam (14) through two U-shaped bolts (21), and the fixed beam (14) is provided with row spacing adjustment scales, so that row spacing adjustment is facilitated.
6. The modular wide-narrow row adjustable rice transplanter according to claim 1, wherein: a driven chain wheel (33) and a driving chain wheel (32) are arranged in the supporting arm (8); the driven chain wheel (33) is connected with two rotary boxes (9), each rotary box (9) is provided with two transplanting arms (12), and each transplanting arm (12) is provided with a seedling claw (31); a driving chain wheel of the supporting arm (8) is connected with a rice transplanting shaft (11) through a shaft sleeve (10); the driving chain wheels (32) of the supporting arms (8) are connected through a transplanting shaft (11), the transplanting shaft (11) is connected with the power transmission box (22), and the power of the transplanting shaft (11) comes from the power transmission box (22).
7. The modular wide-narrow row adjustable rice transplanter according to claim 6, wherein: the distance between the adjacent seedling claws of the adjacent planting units is wide row spacing which can be steplessly adjusted, the distance between the left seedling claw and the right seedling claw in the planting units is narrow row spacing, and the narrow row spacing is fixed; when the row spacing of the wide rows is adjusted, each planting unit moves left and right, and the seedling box units, the slide rails and the supporting arms in the planting units are correspondingly adjusted; the narrow row spacing is 15-20 cm, the adjustable range of the wide row spacing is 15-50 cm, and the minimum value of the wide row spacing is equal to the narrow row spacing;
a row spacing adjusting gap is formed between seedling box clapboards of adjacent seedling box units, the maximum distance of the row spacing adjusting gap is 30-35 cm, and the minimum distance is 0 cm; when the line spacing adjustment gap distance is maximum, the wide line spacing is maximum; when the minimum row spacing adjusting clearance distance is 0cm, the wide row spacing is the minimum, the wide row spacing is equal to the narrow row spacing, and the transplanter is an equal-row spacing transplanter.
8. The modular wide-narrow row adjustable rice transplanter according to claim 1, wherein: the driving pulley shaft (29), the driven pulley shaft (24) and the rice transplanting shaft (11) are hexagonal shafts.
9. The modular wide-narrow row adjustable rice transplanter according to claim 1, wherein: each section of slide rail is provided with two seedling taking openings (7), and each seedling taking opening (7) corresponds to one seedling placing unit.
10. The modular wide-narrow row adjustable rice transplanter according to claim 9, wherein: the rice transplanter is a 6-row rice transplanter, the slide rails comprise a left slide rail (25), a middle slide rail (23) and a right slide rail (20), when the wide row spacing is maximum, a certain distance exists between the slide rails, and when the wide row spacing is minimum, the slide rails are connected together without gaps; the joint of the right side of the left slide rail (25) and the middle slide rail (23) is concave and thick, the joint of the left side of the right slide rail (20) and the middle slide rail (23) is concave and thick, reinforcing ribs are not arranged at the joints of the left slide rail and the middle slide rail, sliding grooves are arranged at the plate thickness positions of the left side wall of the seedling taking opening and the right side wall of the seedling taking opening on the left side of the middle slide rail, the groove width is thick, and the groove length is the plate length of the concave position below the left slide rail and the right slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232622.7A CN112970392A (en) | 2021-03-03 | 2021-03-03 | Modular wide-narrow row adjustable rice transplanter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232622.7A CN112970392A (en) | 2021-03-03 | 2021-03-03 | Modular wide-narrow row adjustable rice transplanter |
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| Publication Number | Publication Date |
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| CN112970392A true CN112970392A (en) | 2021-06-18 |
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| CN202110232622.7A Pending CN112970392A (en) | 2021-03-03 | 2021-03-03 | Modular wide-narrow row adjustable rice transplanter |
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