CN111670652B - Multi-path material distributing device for pneumatic auxiliary discharging of agricultural machinery - Google Patents

Multi-path material distributing device for pneumatic auxiliary discharging of agricultural machinery Download PDF

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Publication number
CN111670652B
CN111670652B CN202010513316.6A CN202010513316A CN111670652B CN 111670652 B CN111670652 B CN 111670652B CN 202010513316 A CN202010513316 A CN 202010513316A CN 111670652 B CN111670652 B CN 111670652B
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China
Prior art keywords
air duct
main air
case
blower
blanking
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CN202010513316.6A
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CN111670652A (en
Inventor
李坤
张文毅
祁兵
王云霞
纪要
严伟
胡敏娟
刘宏俊
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Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
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Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C7/00Sowing
    • A01C7/20Parts of seeders for conducting and depositing seed
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C15/00Fertiliser distributors

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Sowing (AREA)
  • Fertilizing (AREA)

Abstract

The invention discloses a multi-path material distributing device for pneumatic auxiliary blanking of agricultural machinery, which comprises a case, an air blower, a material discharging pipe and a material distributing structure, wherein the case is provided with a plurality of discharging holes; the machine case is internally provided with a main air duct which is in a strip shape; the blower is arranged on the case, is positioned at one side end part of the main air duct and can inject airflow into the main air duct from the side end part; the end part of the other side of the main air duct is closed; the discharge pipes are arrayed along the length direction of the main air duct; the side edge of the main air duct is provided with air outlets which are arranged along the length direction of the main air duct and communicated with the discharge pipes; the material distributing structure is installed in the case. The invention can realize multi-path unified material distribution by arranging the integrated case and installing the material distribution structure with the plurality of material distribution wheels in the case, has compact structure and convenient driving, has reasonable and simple air duct design and less intermediate links, ensures that the parameters of air flow injected into each discharging pipe are more consistent, ensures that the discharging speed of each discharging pipe is consistent, has only one air blower and no complex pipeline structure, and has low cost.

Description

Multi-path material distributing device for pneumatic auxiliary discharging of agricultural machinery
Technical Field
The invention relates to the field of agricultural machinery, in particular to a multi-path material distributing device for pneumatic auxiliary blanking of agricultural machinery.
Background
In agricultural machinery, it is necessary to discharge agricultural materials such as seeds and fertilizers so that the agricultural materials can be uniformly spread on the ground at regular intervals or continuously spread on the ground at a stable flow rate. A plurality of paths of discharging pipelines are arranged on a common agricultural machine, so that the agricultural machine can simultaneously broadcast a plurality of paths of agricultural materials, and the operation efficiency can be greatly improved. In order to enable agricultural materials to smoothly fall into the land along the discharge pipelines, a pneumatic device is required to be arranged on the discharge device of the agricultural machine to pour air flow into each discharge pipeline, so that the discharge pipelines can be prevented from being blocked, the blanking speed of the agricultural materials is greatly increased, the time difference of the blanking speed of each discharge pipeline is reduced, and the uniformity of material scattering is ensured. Among the present agricultural machine, generally adopt the monomer tripper to divide the material, agricultural machine need scatter how many rows of materials simultaneously, just need set up how many independent monomer trippers, this kind of multichannel divides material structure not only size too fat, discharge pipeline to all monomer trippers often need set up a plurality of air-blowers moreover, and need pass through complicated pipeline structure in order to let in each discharge pipeline with the air current, the structure that leads to the strength part is complicated, and is with high costs, and is difficult to guarantee that gas pressure is even in each discharge pipeline.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the air supply structure of the multi-channel material distribution device, which has the advantages of simple air channel structure, low cost and uniform gas pressure of each discharge pipeline.
The technical scheme is as follows: in order to achieve the purpose, the multi-path material distributing device for the pneumatic auxiliary blanking of the agricultural machinery comprises a case, a blower, a discharging pipe and a material distributing structure;
the machine case is internally provided with a main air duct which is in a strip shape; the blower is arranged on the case, is positioned at one side end part of the main air duct and can inject airflow into the main air duct from the side end part; the end part of the other side of the main air duct is closed;
the discharge pipes are arrayed along the length direction of the main air duct; the side edge of the main air duct is provided with air outlets which are arranged along the length direction of the main air duct and communicated with the discharge pipes;
the material distributing structure is installed in the case and comprises a plurality of material distributing wheels arranged corresponding to the material discharging pipes, and each material distributing wheel is used for stably and continuously supplying the seed flow in the case to the corresponding material discharging pipe.
Furthermore, a partition plate is arranged in the case, one side of the partition plate is the main air duct, and the other side of the partition plate is a blanking area; the blanking area is provided with a plurality of blanking channels which are arranged in a linear array;
the material distributing structure is arranged at the upper end of the blanking channel, and the lower end of the blanking channel faces the discharge pipe; the air outlet and the discharge hole of the blanking channel are positioned on two sides of the lower end of the partition plate.
Furthermore, the division board sets up in the slope, and its with the contained angle between the structural slab of main air duct bottom is the acute angle, the angular point position of acute angle is arranged in to the air outlet.
Furthermore, a plurality of separation units are arranged in the blanking area to separate the blanking area into a plurality of blanking channels.
Further, the air outlet is a strip-shaped gap extending along the length direction of the main air duct, and each of the separation units has a part extending into the main air duct.
Furthermore, a hanging seat is fixedly installed on a shell of the blower, one side of the hanging seat is hinged to the chassis, and the other side of the hanging seat is provided with a hook body part; the case is connected with the hook part through a snap fastener.
Further, the blower is mounted on the chassis through a bent pipe fitting, and the snap fastener is mounted at one end of the bent pipe fitting; the bent pipe piece is communicated with the air outlet of the air blower and the main air duct.
Furthermore, the hanging connection seat is provided with a hanging connection shaft, and a connection seat with a hanging connection hole is fixed on the case; the hanging shaft is matched with the hanging hole in a rotating mode, and the hanging shaft can move upwards to be separated from the hanging hole.
Has the advantages that: according to the multi-path material distributing device for the pneumatic auxiliary blanking of the agricultural machine, the integrated machine case is arranged, the material distributing structure with the plurality of material distributing wheels is arranged in the machine case, multi-path unified material distribution can be achieved, the structure is compact, the driving is convenient, the redesign of the machine case is benefited, the air channel design of the multi-path material distributing device is reasonable and simple, the number of intermediate links is small, the parameters of air flow injected into the discharging pipes are consistent, the blanking speed consistency of the discharging pipes is guaranteed, the uniformity of agricultural material spreading can be guaranteed, only one air blower is needed, no complex pipeline structure is provided, and the cost is low.
Drawings
FIG. 1 is a profile view of a multi-path material distributing device for pneumatic auxiliary blanking of agricultural machinery;
FIG. 2 is a cross-sectional view of a multi-channel material distributing device for pneumatic auxiliary blanking of agricultural machinery;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a mounting structure view of the blower.
In the figure: 1-a chassis; 11-a main air duct; 12-an air outlet; 13-a separation unit; 14-a partition plate; 15-a blanking channel; 16-a material compartment; 17-air inlet; 2-a blower; 3, a discharge pipe; 4-a material distributing structure; 51-hanging connection seat; 52-a hook portion; 53-snap fasteners; 54-hanging connecting shaft; 55-a connecting seat; 56-pipe bending parts; 6-rubber ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The present invention will be further described with reference to the accompanying drawings.
The multi-channel material distribution device for pneumatic auxiliary blanking for agricultural machinery (hereinafter referred to as multi-channel material distribution device) shown in fig. 1 and fig. 2 is used for accommodating agricultural materials such as seeds and fertilizers, and can stably and continuously distribute the flow of the agricultural materials to a plurality of discharge pipes 3 so as to provide a basis for the subsequent operation quality of sowing operation of the agricultural machinery.
Specifically, the multi-path material distributing device comprises a case 1, a material cabin 16 is formed in the case 1, a material distributing structure 4 is installed in the case 1, a plurality of discharging pipes 3 are installed on the lower side of the case 1 in an array mode, a discharging area is formed in the case 1, the discharging area is divided into a plurality of discharging channels 15 by a dividing unit 13, the number of the discharging channels 15 is equal to that of the discharging pipes 3, the material distributing structure 4 is arranged at the upper end of each discharging channel 15, and the lower end of each discharging channel 15 faces one discharging pipe 3.
The material cabin 16 is used for accommodating agricultural materials such as seeds and fertilizers, and the material distributing structure 4 is used for stably and continuously distributing the seeds or the fertilizers in the case 1 to the discharging pipes 3. Divide material structure 4 to include a plurality of branch material wheels, the quantity of branch material wheel is unanimous with the quantity of unloading passageway and both one-to-one sets up, the circumference array is provided with a plurality of material storage tanks around the branch material wheel, the agricultural material in material cabin 16 can get into in the material storage tank, when the branch material wheel rotates, the agricultural material in the material storage tank is carried to unloading passageway 15 top and is emptyd to in the unloading passageway 15 along with the rotation of branch material wheel, the agricultural material that gets into unloading passageway 15 flows out from the discharge gate of unloading passageway 15 lower extreme and gets into discharging pipe 3, and the unloading is scattered to the soil along discharging pipe 3.
Above-mentioned structure is through setting up integrative quick-witted case, and all minute material wheels that divide material structure 4 to contain all just unified drives in same quick-witted case 1, compare in traditional monomer tripper, its drive is simple and compact structure, and is with low costs.
As shown in fig. 3, the air supply structure of the present invention includes a main duct 11 formed in the cabinet 1 and a blower 2 installed outside the cabinet 1; the main air duct 11 is a strip-shaped cabin body enclosed by a plurality of structural plates and partition plates 14 in the case 1; the blower 2 is disposed at one end of the main duct 11 and can inject airflow into the main duct 11 through an air inlet 17 formed at the end, and the other end of the main duct 11 is closed.
The side of the main air duct 11 is provided with an air outlet 12 along the length direction thereof and communicated with each discharge pipe 3, and in this embodiment, the air outlet 12 is a strip-shaped opening extending along the length direction of the main air duct 11. In other embodiments, the outlet 12 may be in the form of a linear array of short slots equal to the number of the outlets 3. The air inlet direction of the discharge pipe 3 is vertical to the length direction of the main air duct 11.
Through the structure, the air inlet direction of the discharge pipes 3 is vertical to the length direction of the main air duct 11, so that the air flow of the air blower 2 filled into the main air duct 11 cannot directly fill some discharge pipes 3, the air pressure in the main air duct 11 can be increased, the air in the main air duct rises due to the fact that the air pressure in the main air duct rises, and the air in the main air duct overflows from the air outlet to enter each discharge pipe 3 to assist discharging. In the air supply structure, because the blower 2 is arranged at the side end of the main air duct 11, only one blower 2 is needed to provide air force for all the discharge pipes 3. In the traditional scheme, general air-blower 2 is connected with the trunk line, and a plurality of small transfer lines are connected to each discharging pipe is connected to the trunk line, and this kind of scheme not only the pipeline is complicated, and the position that each small transfer line is connected with the trunk line differs moreover, and some small transfer lines are many with the middle link of trunk line, and some small transfer lines are few with the middle link of trunk line, and the smooth and easy degree that gas is current between each small transfer line and the trunk line is different, can lead to some discharging pipe wind big, and some discharging pipe wind is. Above-mentioned problem can not appear in this scheme, and wind path reasonable in design does not have middle link in this scheme, simple structure, and can effectively guarantee that the wind speed uniformity is high in each discharging pipe 3, only needs an air-blower 2, can practice thrift the cost.
Preferably, a cross section of the main duct 11 perpendicular to the length direction thereof has an acute angle portion, two sides of the acute angle portion are respectively a partition plate 14 and a structural plate in the chassis 1, the structural plate is disposed horizontally, the partition plate 14 is disposed obliquely downward, and the air outlet 12 is located at the acute angle portion and at the lower end of the partition plate 14. Through the structure, the partition plate 14 can play a guiding role, so that gas in the main air duct 11 forms oblique downward airflow when overflowing from the air outlet 12, the movement direction of the airflow is consistent with the air inlet direction of the discharge pipes 3, and the airflow can conveniently enter the discharge pipes 3.
Preferably, each of the partition units 13 has a portion extending into the main air duct 11, and the partition unit 13 can divide the air flow formed by the air outlet 12 when the air flows out into a plurality of air flows, and the plurality of air flows correspond to the discharge pipes 3 one by one, so as to avoid unnecessary troubles caused by turbulence of the air flow caused by the overlong air outlet 12.
Preferably, one side of the partition plate 14 is the main air duct 11, the other side is a blanking channel 15, and the air outlet 12 and the discharge port of the blanking channel 15 are located at two sides of the lower end of the partition plate 14. So can realize 15 unloading of unloading passageway on the one hand to discharging pipe 3, on the other hand air outlet 12 pours the air current into in order to assist the unloading to discharging pipe 3 simultaneously, and the setting of division board 14 not only can guide the flow direction of air current, still plays the effect of the motion of guide agricultural material, and quick-witted case 1 compact structure is simple, is favorable to practicing thrift the cost, and the unloading is effectual.
In order to realize the quick assembly and disassembly of the blower 2, the blower 2 is installed on the chassis 1 through a quick disassembly mechanism, specifically, a hanging seat 51 is fixedly installed on a casing of the blower 2, a hanging shaft 54 is provided on one side of the hanging seat 51, and a connecting seat 55 with a hanging hole is fixed on the chassis 1; the hanging shaft 54 is in running fit with the hanging hole, and the hanging shaft 54 moves upwards to be separated from the hanging hole. The other side of the hanging seat 51 is provided with a hook part 52; the case 1 is connected to the hook part 52 through a snap 53, and the snap 53 is in the prior art. In addition, in the present embodiment, the blower 2 is mounted on the cabinet 1 through a bent pipe 56, and the snap 53 is mounted on one end of the bent pipe 56; the elbow 56 connects the air outlet of the blower 2 with the main air duct 11.
Through the structure, when the blower 2 needs to be detached, the pressing handle of the spring buckle 53 is pressed firstly, so that the hanging port of the spring buckle 53 is separated from the hook body part 52, and then the blower 2 is lifted upwards to enable the hanging shaft 54 to be separated from the hanging hole; when the blower 2 needs to be installed back, the hanging shaft 54 is only required to be hung to the hanging hole, then the spring buckle 53 and the hook body 52 are connected and tightened, so that the air outlet of the blower 2 is in butt joint with one end of the bent pipe piece 56, and the rubber ring 6 is arranged between the air outlet of the blower 2 and one end of the bent pipe piece 56 to prevent air leakage. Therefore, the blower 2 can be quickly disassembled and assembled, and the blower 2 is convenient to maintain; the arrangement of the elbow pipe part 56 can enable the air blower 2 to have a certain installation deflection angle relative to the case 1, so that the air blower 2 is installed in a skew mode, when a plurality of multi-path distributing devices are arranged in parallel, the two air blowers 2 of two adjacent multi-path distributing devices are staggered mutually, the installation distance cannot be influenced by the size of the air blower 2, and the structural compactness of the agricultural machine with the multi-path distributing devices can be guaranteed.
According to the multi-path material distributing device for the pneumatic auxiliary discharging of the agricultural machine, the integrated machine case is arranged, the material distributing structure with the plurality of material distributing wheels is installed in the machine case, multi-path unified material distribution can be achieved, the structure is compact and convenient to drive, the air channel design is reasonable and simple, the number of intermediate links is small, the parameters of air flow injected into the discharging pipes are consistent, the discharging speed of the discharging pipes is consistent, the uniformity of agricultural material spreading can be guaranteed, only one air blower is needed, no complex pipeline structure is needed, and the cost is low.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims (7)

1. A multi-path material distribution device for pneumatic auxiliary blanking of agricultural machinery is characterized by comprising a case (1), an air blower (2), a material discharge pipe (3) and a material distribution structure (4);
the machine case (1) is internally provided with a main air duct (11), and the main air duct (11) is in a strip shape; the blower (2) is arranged on the case (1) and is positioned at one side end part of the main air duct (11) and can inject air flow to the main air duct (11) from the side end part; the end part of the other side of the main air duct (11) is closed;
the discharge pipes (3) are arrayed along the length direction of the main air duct (11); the side edge of the main air duct (11) is provided with an air outlet (12) which is arranged along the length direction and communicated with each discharge pipe (3);
the material distributing structure (4) is installed in the case (1), the material distributing structure (4) comprises a plurality of material distributing wheels which are arranged corresponding to the material discharging pipes (3), and each material distributing wheel is used for stably and continuously supplying the seed flow in the case (1) to the corresponding material discharging pipe (3);
a partition plate (14) is arranged in the case (1), one side of the partition plate (14) is the main air duct (11), and the other side of the partition plate (14) is a blanking area; the blanking area is provided with a plurality of blanking channels (15) which are arranged in a linear array;
the material distribution structure (4) is arranged at the upper end of the blanking channel (15), and the lower end of the blanking channel (15) faces the discharge pipe (3); the air outlet (12) and the discharge hole of the blanking channel (15) are positioned at two sides of the lower end of the partition plate (14).
2. The multi-path material distribution device for pneumatic auxiliary blanking for agricultural machinery according to claim 1, wherein the partition plate (14) is arranged obliquely, an included angle between the partition plate and the structural plate at the bottom of the main air duct (11) is an acute angle, and the air outlet (12) is arranged at the acute angle.
3. The multi-channel material distribution device for pneumatically assisted feeding of agricultural machinery according to claim 1, characterized in that a plurality of separation units (13) are provided in the feeding area to separate the feeding area into a plurality of feeding channels (15).
4. The multi-path material dividing device for pneumatic auxiliary blanking for agricultural machinery according to claim 3, wherein the air outlet (12) is a strip-shaped gap extending along the length direction of the main air duct (11), and each of the separating units (13) has a portion extending into the main air duct (11).
5. The multi-path material dividing device for pneumatic auxiliary blanking of agricultural machinery according to claim 1, wherein a hanging seat (51) is fixedly mounted on a casing of the blower (2), one side of the hanging seat (51) is hinged on the casing (1), and the other side of the hanging seat (51) is provided with a hook body part (52); the case (1) is connected with the hook part (52) through a snap fastener (53).
6. The multi-path material dividing device for pneumatic auxiliary blanking of agricultural machinery according to claim 5, wherein the blower (2) is mounted on the case (1) through a bent pipe (56), and the snap fastener (53) is mounted at one end of the bent pipe (56); the bent pipe part (56) is communicated with an air outlet of the air blower (2) and the main air duct (11).
7. The multi-path material distribution device for pneumatic auxiliary blanking of agricultural machinery according to claim 5, wherein the hitching seat (51) is provided with a hitching shaft (54), and the case (1) is fixed with a connecting seat (55) with a hitching hole; the hanging shaft (54) is in running fit with the hanging hole, and the hanging shaft (54) moves upwards to be separated from the hanging hole.
CN202010513316.6A 2020-06-08 2020-06-08 Multi-path material distributing device for pneumatic auxiliary discharging of agricultural machinery Active CN111670652B (en)

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Application Number Priority Date Filing Date Title
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CN111670652B true CN111670652B (en) 2021-06-11

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU934960A2 (en) * 1979-05-17 1982-06-15 Украинский научно-исследовательский институт механизации и электрификации сельского хозяйства Pneumatic sower
JP2002220838A (en) * 2001-01-23 2002-08-09 Nishimatsu Constr Co Ltd Vegetation base material spray device
CN2824536Y (en) * 2005-10-19 2006-10-11 中国农业机械化科学研究院呼和浩特分院 Air current delivered seed-sowing apparatus
CN103597934B (en) * 2013-11-20 2015-09-23 江苏大学 A kind of many air flues aspiration turnover plate type seeding unit
CN205526674U (en) * 2016-02-01 2016-08-31 芜湖市四捍粉末涂料有限公司 Powder coating pneumatic conveyor
CN109168455A (en) * 2018-10-24 2019-01-11 四川农业大学 A kind of rape rice dual-purpose type cavitation concentration dispenser
CN209127644U (en) * 2018-11-19 2019-07-19 北京中电永昌科技有限公司 A kind of energy-efficient control of ultra-dense phase blocks up defeated grey the powder system
CN111003512A (en) * 2019-12-13 2020-04-14 无锡考特威星机械有限公司 Whole pneumatic feeding system

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