CN211210467U - Double-impeller seed guiding device of internal suction type hole sowing seed sowing device - Google Patents

Double-impeller seed guiding device of internal suction type hole sowing seed sowing device Download PDF

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Publication number
CN211210467U
CN211210467U CN201921615608.XU CN201921615608U CN211210467U CN 211210467 U CN211210467 U CN 211210467U CN 201921615608 U CN201921615608 U CN 201921615608U CN 211210467 U CN211210467 U CN 211210467U
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China
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impeller
seed
hole
cover plate
arc
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Expired - Fee Related
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CN201921615608.XU
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Chinese (zh)
Inventor
杨继涛
张顺
李勇
朱德泉
廖娟
尹俊楠
储婷婷
汪鹞
李兆东
伍德林
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Anhui Agricultural University AHAU
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Anhui Agricultural University AHAU
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Priority to CN201921615608.XU priority Critical patent/CN211210467U/en
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Abstract

The utility model relates to a double-impeller seed guide device of an inner suction type hole sowing seed sowing device, which belongs to the technical field of agricultural sowing and comprises a shell and a cover plate, the inner side and the outer side of the cover plate are respectively provided with a C-shaped baffle and a baffle ring, the cover plate is provided with a fan-shaped notch, the inner impeller and the outer impeller are respectively positioned on the inner side of the C-shaped baffle and the inner side of the baffle ring of the cover plate, the cover plate is provided with a seed inlet, the cover plate is fixedly connected with a seed inlet pipe, the seed inlet pipe is communicated with the seed inlet, the outer impeller is provided with a shaft sleeve, a transmission shaft is inserted into the shaft sleeve, the shaft sleeve is provided with the baffle ring, the baffle ring on the cover plate is provided with a notch, the notch is provided with a guide pipe, the inner part of the baffle ring is communicated with the guide pipe through the notch, the seed guiding device realizes the temporary seed gathering of multiple seeds twice in sequence, the seed field after sowing has good hole forming property, the seed distance in.

Description

Double-impeller seed guiding device of internal suction type hole sowing seed sowing device
Technical Field
The utility model belongs to the technical field of the agricultural seeding, more specifically relates to an inner suction formula bunch planting seed metering ware bilobed wheel seed guiding device.
Background
The precision hole direct seeding technology can accurately distribute seeds in a hole forming field according to the required hole grain number and hole distance according to the planting requirements of crops, can save the seeding amount, reduce the field management in the later period, is favorable for stabilizing the yield and increasing the yield, and is widely applied to the seeding field of hole-sowed crops such as rice, corn, cotton and the like.
According to the seed metering principle, the current seed metering device mainly has two types of mechanical type and pneumatic type. The seed guiding device matched with the pneumatic seed sowing device mainly comprises a seed guiding pipe and an inverted parabola seed guiding device. For crops sowed in multiple holes, due to the fact that the seed sowing time of a seed sowing device is inconsistent, the difference between collision and bounce individuals of seeds and the wall surface of a seed guiding pipe is large, meanwhile, irregular vibration of a sowing machine and a field exists, the uniformity of soil covering time of the multiple seeds in one hole is difficult to ensure through a simple tubular seed guiding device, the variation coefficient of the distances between the seeds in the holes is large, the hole diameter and the hole distance are uniform and poor in stability, and the influence on the seeds with irregular shapes and low sphericity, such as rice and cotton is greater.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to solve the problem that the seed sowing time is inconsistent in the prior art, and the irregular vibration of seeding machines field causes the defect of cave footpath, the even poor stability of cave distance, an inner suction type cave planting seed sowing device bilobed wheel seed guiding device is provided, the agricultural requirement of this seed guiding device to a kind of many seeds of cave planting has been realized that many seeds are successively twice short-term to gather kind, it is good to grow back seed field cave nature, the cave is interior seed distance little, the cave distance is even stable, do and be used for the distance seeding of a cave single seed.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a double-impeller seed guiding device of inner suction type hole sowing seed sowing device, which comprises a shell, a cover plate, an inner impeller, an outer impeller and a sealing plate, wherein the sealing plate is fixedly connected with the open end of the shell, the cover plate is fixedly connected with the sealing plate, a transmission shaft is arranged in the shell, one end of the transmission shaft passes through a chain wheel which is externally connected with the shell, the other end passes through a chain wheel which is externally connected with the cover plate, the inner impeller is arranged in the shell, the transmission shaft passes through the center of the inner impeller and is rotatably connected with the inner impeller, the inner side and the outer side of the cover plate are respectively provided with a C-shaped baffle plate and a baffle ring, the cover plate is respectively arranged at the C-shaped baffle plate and the inner side of the baffle ring of the cover plate, the cover plate is provided with a seed inlet, the seed inlet pipe is fixedly connected with the cover plate and, the breach department is equipped with the guiding tube, keeps off ring inside through breach and guiding tube intercommunication, and a plurality of equidistant arc baffles all distribute on interior impeller and the outer impeller, the arc baffle on the outer impeller and the arc baffle one-to-one on the interior impeller, the face between the adjacent arc baffle on the interior impeller is the inclined plane, and the face between the arc baffle on the outer impeller is the plane.
Preferably, the arc-shaped partition plate and the inclined plane on the inner impeller form a conical space, the arc-shaped partition plate and the plane on the outer impeller form a rectangular space, and the distance from the bottom of the conical space to the transmission shaft is greater than the distance from the rectangular space to the transmission shaft.
Preferably, the inner impeller is provided with three pin holes, the outer impeller is provided with three pin columns, and the pin columns are connected with the pin holes in an interference fit manner.
Preferably, a suction hole roller is arranged in the shell, the suction hole roller is coaxial with the shell, the suction hole roller is fixed on the transmission shaft, the suction hole roller, the sealing plate and the shell form a cavity, a plurality of air isolation blocks are arranged in the cavity, the cavity is divided into a large cavity and a small cavity by the air isolation blocks, a plurality of air hole groups are arranged on the annular side wall of the suction hole roller, and the number of the air hole groups is the same as that of the arc-shaped partition plates of the inner impeller.
Preferably, the shell is provided with an air outlet pipe and an air inlet pipe, the air outlet pipe is communicated with the large cavity, and the air inlet pipe is communicated with the small cavity.
Preferably, the hole suction drum is internally sleeved with a hole ring, the hole ring is fixedly connected with the hole suction drum, the outer wall of the hole ring is attached to the inner wall of the hole suction drum, a plurality of round holes are formed in the hole ring and are the same as the number of the air hole groups, the hole ring and the air hole groups are communicated in a one-to-one correspondence mode, and the cover plate, the hole ring and the hole suction drum form a seed accommodating cavity together.
Preferably, the outer side of the outer impeller is provided with a baffle ring, the baffle ring is fixedly connected with the outer impeller through a bolt, the baffle ring is provided with a plurality of inwards bent baffles, the baffles are arranged along the circumference of the outer ring of the baffle ring, and the number of the baffles is the same as that of the arc-shaped partition plates of the inner impeller and corresponds to that of the arc-shaped partition plates of the inner impeller one by one.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model discloses a double-impeller seed guiding device of inner suction type hole sowing seed sowing device, which comprises a shell, a cover plate, an inner impeller, an outer impeller and a sealing plate, wherein the sealing plate is fixedly connected with the open end of the shell, the cover plate is fixedly connected with the sealing plate, a transmission shaft is arranged in the shell, one end of the transmission shaft passes through a chain wheel which is externally connected with the shell, the other end passes through a chain wheel which is externally connected with the cover plate, the inner impeller is arranged in the shell, the transmission shaft passes through the center of the inner impeller and is rotatably connected with the inner impeller, the inner side and the outer side of the cover plate are respectively provided with a C-shaped baffle plate and a baffle ring, the cover plate is respectively arranged at the C-shaped baffle plate and the inner side of the baffle ring of the cover plate, the cover plate is provided with a seed inlet, the seed inlet pipe is fixedly connected with the cover plate and, the notch is provided with a guide pipe, the inner part of the baffle ring is communicated with the guide pipe through the notch, a plurality of arc-shaped partition plates with equal intervals are distributed on the inner impeller and the outer impeller, the arc-shaped partition plates on the outer impeller and the arc-shaped partition plates on the inner impeller are in one-to-one correspondence, the surface between the adjacent arc-shaped partition plates on the inner impeller is an inclined surface, the surface between the arc-shaped partition plates on the outer impeller is a plane, the designed seed guide device comprises an independent seed conveying channel formed by the inner impeller and the outer impeller and is in one-to-one correspondence with the air hole group, so that a plurality of rice seeds which are successively planted in each hole are ensured to be put into the same seed conveying channel, the hole channeling phenomenon of the rice seeds in the adjacent holes in the seed throwing process is prevented, the arc-shaped partition plates are designed according to the motion track of the seeds when the seed metering device is thrown, the motion collision of the seeds in the inner impeller is, and part of seeds can not reach the outer impeller, so that the defects of air drop and seed blockage are avoided.
(2) The utility model discloses an inner suction formula bunch planting seed metering ware bilobed wheel leads kind device is equipped with three pinhole on the interior impeller, is equipped with three round pin post on the outer impeller, and the round pin post is connected with pinhole interference fit, and this design makes the rotational speed of interior impeller and outer impeller unanimous completely, and the stability of the triangle-shaped that three pinhole constitutes for interior impeller and outer impeller arc baffle when rotating each other are crisscross each other not, have avoided the card kind phenomenon.
Drawings
Fig. 1 is a schematic structural view of a double-impeller seed guide device of an internal suction type bunch planting seed sowing device of the present invention;
fig. 2 is a schematic structural view of a cover plate of a double-impeller seed guiding device of an internal suction type hole sowing seed sowing device of the utility model;
fig. 3 is a back structural schematic view of a cover plate of a double-impeller seed guiding device of an internal suction type bunch planting seed sowing device of the present invention;
fig. 4 is a schematic structural view of an inner impeller of a double-impeller seed guiding device of an inner suction type hole sowing seed sowing device of the present invention;
fig. 5 is a schematic structural view of an outer impeller of a double-impeller seed guiding device of an inner suction type hole sowing seed sowing device of the present invention;
fig. 6 is a schematic structural view of the back of the outer impeller of the double-impeller seed guiding device of the internal suction type bunch planting seed sowing device of the present invention;
fig. 7 is a schematic structural view of a cavity of a double-impeller seed guide device of an internal suction type bunch planting seed sowing device of the present invention;
fig. 8 is a schematic view of the position structure of the air-isolating block of the dual-impeller seed guiding device of the internal suction type bunch planting seed sowing device of the present invention;
fig. 9 is a perspective view of a double-impeller seed guide device of an internal suction type bunch planting seed sowing device of the present invention;
fig. 10 is an assembly structure diagram of the dual-impeller seed guiding device of the inner suction type bunch planting seed sowing device of the present invention.
The reference numerals in the schematic drawings illustrate:
100. a housing; 110. a drive shaft; 120. a sprocket; 130. an inner impeller; 131. a pin hole; 132. an arc-shaped partition plate; 133. a bevel; 140. a suction hole drum; 141. a group of gas holes; 150. a cavity; 151. a large chamber; 152. a small chamber; 160. a gas barrier block; 170. a loop of the eye socket; 171. a circular hole; 181. an air inlet pipe; 182. an air outlet pipe;
200. a cover plate; 210. an outer impeller; 211. a pin; 212. a shaft sleeve; 213. a plane; 220. a baffle ring; 221. seed inlet; 222. a notch; 230. feeding a seed pipe; 240. a guide tube; 250. a fan-shaped notch; 260. a C-shaped baffle;
300. a sealing plate;
400. a baffle ring; 410. baffle plate
500. A seed containing cavity.
Detailed Description
In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but which are provided so as to render the disclosure of the invention more thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1-10, the double-impeller seed guiding device of the internal suction type bunch planting seed-metering device of the present embodiment includes a casing 100, a cover plate 200, an inner impeller 130, an outer impeller 210 and a sealing plate 300, the opening end of the casing 100 is fixedly connected with the sealing plate 300, the sealing plate 300 is fixedly connected with the cover plate 200, a transmission shaft 110 is arranged in the casing 100, one end of the transmission shaft 110 passes through the casing 100 and is externally connected with a chain wheel 120, the other end passes through the cover plate 200 and is externally connected with the outer impeller 210, the inner impeller 130 is positioned in the casing 100, the transmission shaft 110 passes through the center of the inner impeller 130 and is rotatably connected with the inner impeller 130, the inner side and the outer side of the cover plate 200 are respectively provided with a C-shaped baffle 260 and a baffle ring 220, the cover plate 200 is provided with a fan-shaped notch 250, the inner impeller 130 and the outer impeller 210 are respectively positioned at the inner side of the C-shaped baffle 260, the outer side of the outer impeller 210 is provided with a shaft sleeve 212, the transmission shaft 110 is inserted into the shaft sleeve 212, the shaft sleeve 212 is provided with a baffle ring 400, the baffle ring 220 on the cover plate 200 is provided with a notch 222, the notch 222 is provided with a guide pipe 240, the inside of the baffle ring 220 is communicated with the guide pipe 240 through the notch 222, the inner impeller 130 and the outer impeller 210 are respectively provided with a plurality of arc-shaped partition plates 132 at equal intervals, the arc-shaped partition plates 132 on the outer impeller 210 and the arc-shaped partition plates 132 on the inner impeller 130 are in one-to-one correspondence, the surface between the adjacent arc-shaped partition plates 132 on the inner impeller 130 is an inclined surface 133, the surface between the arc-shaped partition plates 132 on the outer impeller 210 is a plane 213, if the seed guiding device of the design is not adopted, a pneumatic seed metering device on the market is adopted, wherein the. For crops sowed in multiple holes, due to the fact that the seed sowing time of a seed sowing device is inconsistent, the difference between the collision and bounce individuals of seeds and the wall surface of a seed guiding pipe is large, irregular vibration of a sowing machine in the field exists, the uniformity of the soil covering time of multiple seeds in one hole is difficult to ensure by a simple tubular seed guiding device, the seed guiding device adopting the design reduces the seed sowing height of the seeds through the matching of the inner impeller 210 and the outer impeller 210, the uniformity of the soil covering time of multiple seeds in one hole is improved, the hole sowing performance and the hole distance uniformity of the seed sowing are ensured, the outer impeller 210 and the end surface of the inner impeller 130 form a 'pocket' shaped space, the uniformity and the gathering of the seeds are ensured, and the inner impeller 130 and the outer impeller 210 are surrounded by the enclosing plates on the inner side and the outer side.
The arc-shaped partition 132 and the inclined plane 133 on the inner impeller 130 of the embodiment form a conical space, the arc-shaped partition 132 and the plane 213 on the outer impeller 210 form a rectangular space, the distance from the bottom of the conical space to the transmission shaft 110 is greater than the distance from the rectangular space to the transmission shaft 110, no additional guide or transmission device is required to be installed in the designed structure, and seeds slide in the conical space and slide along the inclined plane 133 into the rectangular space.
Be equipped with three pinhole 131 on the interior impeller 130 of this embodiment, be equipped with three round pin post 211 on the outer impeller 210, round pin post 211 is connected with pinhole 131 interference fit, if do not set up pinhole 131 and round pin post 211, the rotation of interior impeller 130 and outer impeller 210 can not be synchronous completely, arc-shaped partition plate 132 is crisscross each other when rotating, cause the card kind phenomenon easily, this design makes interior impeller 130 completely unanimous with outer impeller 210's rotational speed, the stability of the triangle-shaped of three pinhole 131 constitution, make interior impeller 130 and outer impeller 210 arc-shaped partition plate 132 each other when rotating crisscross each other not, the card kind phenomenon has been avoided.
In the embodiment, the housing 100 is provided with the suction hole drum 140, the suction hole drum 140 is coaxial with the housing 100, the suction hole drum 140 is fixed on the transmission shaft 110, the suction hole drum 140, the sealing plate 300 and the housing 100 form a cavity 150, the cavity 150 is provided with a plurality of air-isolating blocks 160, the cavity 150 is divided into a large chamber 151 and a small chamber 152 by the plurality of air-isolating blocks 160, the annular side wall of the suction hole drum 140 is provided with a plurality of air hole groups 141, the number of the air hole groups 141 is the same as the number of the arc-shaped partition plates 132 of the inner impeller 130, according to the designed structure, each group of air hole groups 141 adsorbs a plurality of seeds, the seeds are transferred to the vicinity of the small chamber 152 along with the rotation of the suction hole drum 140, when further rotating to the lower side of the small chamber 152, the adsorption force disappears, the seeds slide to between the partition plates of the inner impeller 130, because the number of the air hole groups 141 is the same as the number of the arc-shaped partition, the sowing intervals are the same.
Be equipped with outlet duct 182 and intake pipe 181 on the casing 100 of this embodiment, outlet duct 182 and big cavity 151 intercommunication, intake pipe 181 and little cavity 152 intercommunication, the structure of this design, intake pipe 181 and little cavity 152 intercommunication, the air current direction in the little cavity 152 is from outside to inside, the adsorbed seed receives the air current effect to be blown off the landing on the hole cylinder 140 of inhaling of little cavity 152 below, outlet duct 182 and big cavity 151 intercommunication, the air current direction in the big cavity 151 is from inside to outside, the adsorbed seed receives the air current effect to adsorb on the air hole group 141 on the hole cylinder 140 of inhaling in the big cavity 151 on the air hole group, avoid the landing.
The suction hole cylinder 140 endotheca of this embodiment has nest eye ring 170, nest eye ring 170 and suction hole cylinder 140 fixed connection, the outer wall of nest eye ring 170 and the inner wall laminating of suction hole cylinder 140, be equipped with a plurality of round hole 171 on the nest eye ring 170, round hole 171 is the same with gas pocket group 141 figure, both one-to-one intercommunication, apron 200, nest eye ring 170 and suction hole cylinder 140 constitute jointly and hold kind of a chamber 500, hold and pile up the seed in kind of chamber 500, the round hole 171 number on the nest eye ring 170 is the same with the gas pocket group 141 number on the suction hole cylinder 140, every round hole 171 corresponds a set of gas pocket group 141, gas pocket group 141 is located round hole 171 center department, the structure of this design, every group seed quantity is the same when having guaranteed subsequent seeding, sow effectually.
The baffle ring 400 is arranged on the outer side of the outer impeller 210 in the embodiment, the baffle ring 400 is fixedly connected with the outer impeller 210 through bolts, a plurality of inwards-bent baffles 410 are arranged on the baffle ring 400, the baffles 410 are arranged along the circumference of the outer ring of the baffle ring 400, the quantity of the baffles 410 is the same as that of the arc-shaped baffles 132 of the inner impeller 130, and the baffles are in one-to-one correspondence with each other.
In the application method of the double-impeller seed guide device of the internal suction type bunch planting seed sowing device of the embodiment, the external transmission mechanism provides power for the transmission shaft 110 to drive the transmission shaft 110 to rotate, the outer impeller 210 and the inner impeller 130 are further driven to rotate, seeds between the partitions of the inner impeller 130 are transmitted to the partitions of the outer impeller 210, and finally slide out of the guide pipe 240 to fall.
When the seeding apparatus works, the inner impeller 130, the outer impeller 210 and the baffle ring 400 rotate synchronously with the transmission shaft 110, seeds enter the seeding apparatus through the seed inlet pipe 230, the air inlet pipe 181 enters air, the air outlet pipe 182 gives air, airflow circulates, a plurality of seeds are adsorbed on the air hole group 141 in the suction hole roller 140, the adsorbed seeds are transferred to the position right above the seeding apparatus along the rotation of the suction hole roller 140 and the pocket ring 170, the seeds fall and are thrown under gravity at the position of the upper air baffle block 160 due to the blocked airflow and then enter the space between the arc baffles 132 of the inner impeller 130, the plurality of seeds slide to the space between the arc baffles 132 of the outer impeller 210 along the inclined plane 133 on the inner impeller 130, the seeds slide along the arc baffles 132 of the outer impeller 210 along with the rotation of the outer impeller 210 again, the seeds are gathered at the joint of the baffle ring 220 of the cover plate 200 and the arc baffles of the outer impeller 210, the first-time seed gathering of the plurality of seeds is realized, the seeds fall together, the inner impeller 210 and the outer impeller 210 are matched to play a role of reducing the seed feeding height for the first time, the seeds are gathered on the baffle 410 of the baffle ring 400 through the guide pipe 240, the second-time short seed gathering of a plurality of seeds is realized, the plurality of seeds fall together along with the movement of the baffle ring 400 again, the second-time seed feeding height reduction is realized, the consistency of the soil laying time of the plurality of seeds in one hole is improved, and the hole sowing performance and the hole spacing uniformity are ensured.
The seed guiding device is not only suitable for crops with the requirement of one-hole multi-grain seed sowing, but also can be used for crops with single-grain hole sowing.
The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (7)

1. The utility model provides an internal suction formula bunch planting seed metering ware bilobed wheel seed guide device which characterized in that: the impeller type centrifugal compressor comprises a shell, a cover plate, an inner impeller, an outer impeller and a sealing plate, wherein the open end of the shell is fixedly connected with the sealing plate, the sealing plate is fixedly connected with the cover plate, a transmission shaft is arranged in the shell, one end of the transmission shaft penetrates through an external chain wheel of the shell, the other end of the transmission shaft penetrates through an external outer impeller of the cover plate, the inner impeller is positioned in the shell, the transmission shaft penetrates through the center of the inner impeller and is rotatably connected with the inner impeller, the inner side and the outer side of the cover plate are respectively provided with a C-shaped baffle plate and a baffle ring, the cover plate is provided with a seed inlet, the cover plate is fixedly connected with a seed inlet pipe, the seed inlet pipe is communicated with the seed inlet pipe, the outer side of the outer impeller is provided with a shaft sleeve, the transmission shaft is inserted into the shaft sleeve, the baffle ring is arranged on the shaft, the impeller is characterized in that a guide pipe is arranged at the notch, the inner part of the baffle ring is communicated with the guide pipe through the notch, a plurality of arc-shaped partition plates which are equally spaced are distributed on the inner impeller and the outer impeller, the arc-shaped partition plates on the outer impeller and the arc-shaped partition plates on the inner impeller are in one-to-one correspondence, the surfaces between the adjacent arc-shaped partition plates on the inner impeller are inclined planes, and the surfaces between the arc-shaped partition plates on the outer impeller are planes.
2. The internal suction type double-impeller seed guide device of the hill-drop seed sowing device as claimed in claim 1, wherein: the impeller is characterized in that the arc-shaped partition plate and the inclined plane on the inner impeller form a conical space, the arc-shaped partition plate and the plane on the outer impeller form a rectangular space, and the distance from the bottom of the conical space to the transmission shaft is greater than the distance from the rectangular space to the transmission shaft.
3. The internal suction type double-impeller seed guide device of the hill-drop seed sowing device as claimed in claim 1, wherein: the inner impeller is provided with three pin holes, the outer impeller is provided with three pin columns, and the pin columns are connected with the pin holes in an interference fit mode.
4. The internal suction type double-impeller seed guide device of the hill-drop seed sowing device as claimed in claim 1, wherein: the hole sucking device is characterized in that a hole sucking roller is arranged in the shell and is coaxial with the shell, the hole sucking roller is fixed on the transmission shaft, the hole sucking roller, the sealing plate and the shell form a cavity, a plurality of air isolating blocks are arranged in the cavity, the cavity is divided into a large cavity and a small cavity by the air isolating blocks, a plurality of air hole groups are arranged on the annular side wall of the hole sucking roller, and the number of the air hole groups is the same as that of the arc-shaped partition plates of the inner impeller.
5. The internal suction type double-impeller seed guide device of the hill-drop seed sowing device as claimed in claim 1, wherein: an air outlet pipe and an air inlet pipe are arranged on the shell, the air outlet pipe is communicated with the large cavity, and the air inlet pipe is communicated with the small cavity.
6. The internal suction type double-impeller seed guide device of the hill-drop seed sowing device as claimed in claim 4, wherein: the hole suction drum is internally sleeved with a hole nest ring, the hole nest ring is fixedly connected with the hole suction drum, the outer wall of the hole nest ring is attached to the inner wall of the hole suction drum, a plurality of round holes are formed in the hole nest ring, the number of the round holes is the same as that of the air hole groups, the round holes and the air hole groups are communicated in a one-to-one correspondence mode, and the cover plate, the hole nest ring and the hole suction drum form a seed accommodating cavity together.
7. The internal suction type double-impeller seed guide device of the hill-drop seed sowing device as claimed in claim 1, wherein: the outer side of outer impeller is equipped with the baffle ring, the baffle ring passes through bolt and outer impeller fixed connection, be equipped with a plurality of baffles of inwards buckling on the baffle ring, the baffle is arranged along the outer lane circumference of baffle ring, the quantity of baffle is the same and the one-to-one with the ARC baffle figure of interior impeller.
CN201921615608.XU 2019-09-26 2019-09-26 Double-impeller seed guiding device of internal suction type hole sowing seed sowing device Expired - Fee Related CN211210467U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921615608.XU CN211210467U (en) 2019-09-26 2019-09-26 Double-impeller seed guiding device of internal suction type hole sowing seed sowing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921615608.XU CN211210467U (en) 2019-09-26 2019-09-26 Double-impeller seed guiding device of internal suction type hole sowing seed sowing device

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CN211210467U true CN211210467U (en) 2020-08-11

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Application Number Title Priority Date Filing Date
CN201921615608.XU Expired - Fee Related CN211210467U (en) 2019-09-26 2019-09-26 Double-impeller seed guiding device of internal suction type hole sowing seed sowing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110583177A (en) * 2019-09-26 2019-12-20 安徽农业大学 Internal suction type double-impeller seed guiding device of hole sowing seed sowing device and using method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110583177A (en) * 2019-09-26 2019-12-20 安徽农业大学 Internal suction type double-impeller seed guiding device of hole sowing seed sowing device and using method thereof
CN110583177B (en) * 2019-09-26 2024-05-28 安徽农业大学 Double-impeller seed guiding device of internal suction type hill-drop seed metering device and use method thereof

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