CN101606459A - Novel suction system of piggyback cotton picker - Google Patents
Novel suction system of piggyback cotton picker Download PDFInfo
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- CN101606459A CN101606459A CNA2009101012397A CN200910101239A CN101606459A CN 101606459 A CN101606459 A CN 101606459A CN A2009101012397 A CNA2009101012397 A CN A2009101012397A CN 200910101239 A CN200910101239 A CN 200910101239A CN 101606459 A CN101606459 A CN 101606459A
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Abstract
The invention discloses novel suction system of piggyback cotton picker, comprise main casing, the circuit board of main air blower and control main air blower, in main casing, form negative pressure cavity during the main air blower rotary work, the air inlet place of main air blower is provided with a guard that is rotationally connected, be provided with wind stopping device between the cotton output port of negative pressure cavity and main casing bottom, wind stopping device and main casing inwall closely cooperate negative pressure cavity inside and isolated from atmosphere, air draft system also is provided with radiator structure, radiator structure comprises the cooling fan blade that is arranged on the main motor output shaft, be provided with the air-breathing pod apertures of using with the cooling fan blade corresponding position on the Fan casing, Fan casing is provided with the air outlet that Open Side Down in the cooling fan blade bottom, the Fan casing bottom is provided with the ventilative grid that communicates with atmosphere, cooling fan blade sucks air in the Fan casing by pod apertures, and returns atmosphere by air outlet and gas-permeable nets grillages.Cotton picking efficient height of the present invention, disconnected suede content is low, and it is low to pluck loss power, and simultaneously simple in structure, the reliable operation fault rate is low.
Description
Technical field
The present invention relates to a kind of cotton picker, be specifically related to the air draft system of backpack cotton picker.
Background technology
Small cotton picker is that is that all right a now ripe series products, a lot of designs all rest on the experimental stage, really can be in agricultural production the product of extensive use considerably less.Traditional backpack cotton picker much adopts blower fan to produce negative pressure and draws and transmit cotton.General structure has two kinds, and a kind of to be cotton drawn the laggard blower fan of going into by blower fan, is blown out to the cotton collecting bag through the fan blade of blower fan, and the problem of this mode maximum is to have destroyed cotton fiber, has reduced the quality of cotton, seldom adopts now; Another kind is that employing is 200620139208.2 structure as the patent No., it installs a guard that the leaf that follows the wind links together on the air inlet of blower fan, guard is with the fan blade high speed rotating, guard is provided with several short and small blades, the cotton that enters the air channel directly bumps against on the guard with wind path, and the fan blade on the guard is thrown to cotton in the cotton collecting bag.This structure has largely been improved the quality of cotton, avoided fan blade that cotton is smashed, but still there is very big defective, because the air inlet of blower fan and cotton output port communicate, the cotton collecting bag generally all is a cloth bag, will produce a large amount of negative pressure losses like this, lose a lot of energy, be unfavorable for bearing the Application and Development of cotton picker.Though above project organization is simple, the cotton picking quality reduces, and energy waste is serious, so need a kind of novel air draft system of design now, solves above this class problem.
Summary of the invention
The object of the present invention is to provide novel suction system of piggyback cotton picker, can effectively solve existing cotton picker air draft system and can destroy cotton fiber, cotton quality is low, and the air draft system energy consumption is big, and energy waste is serious, the problem that energy utilization rate is low.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: novel suction system of piggyback cotton picker, the circuit board that comprises main casing, main air blower and control main air blower, in main casing, form negative pressure cavity during the main air blower rotary work, it is characterized in that: the air inlet place of main air blower is provided with a guard that is rotationally connected, be provided with wind stopping device between the cotton output port of negative pressure cavity and main casing bottom, wind stopping device and main casing inwall closely cooperate negative pressure cavity inside and isolated from atmosphere.
Further, wind stopping device comprises and closes the wind-powered electricity generation machine, closes the wind-powered electricity generation machine and connects by planetary gear reduction box and close the fan blade wheel shaft, closes the fan blade axle horizontal and is fixedly connected in the main casing, closes the fan blade wheel shaft and is provided with and the close-fitting fan blade that closes of main casing inwall.
Further, be provided with two bearing blocks in opposite directions on the main casing inwall, be equipped with oiliness bearing in the bearing block, will close the fan blade wheel shaft by two oiliness bearings and be fixed in the main casing.
Further, main air blower comprises the main motor in Fan casing and the Fan casing, and the output shaft of main motor is provided with provides the cotton moving main blade that transmits usefulness, and output shaft drives main blade and rotates.
Further, the output shaft front end is provided with screw thread, and socket guard on the output shaft is locked at guard on the output shaft by locking nut, and output shaft drives guard and rotates.
Further, air draft system also is provided with radiator structure, radiator structure comprises the cooling fan blade that is arranged on the main motor output shaft, be provided with the air-breathing pod apertures of using with the cooling fan blade corresponding position on the Fan casing, Fan casing is provided with the air outlet that Open Side Down in the cooling fan blade bottom, the Fan casing bottom is provided with the ventilative grid that communicates with atmosphere, and cooling fan blade sucks air in the Fan casing by pod apertures, and returns atmosphere by air outlet and gas-permeable nets grillages.
Further, cooling fan blade is fixedlyed connected with main blade by fixed mount, and is distributed in the fixed mount both sides with main blade, and main motor output shaft drives cooling fan blade by fixed mount and main blade rotates.
Further, the main casing bottom is gone up with ventilative grid corresponding position and is provided with auxiliary air port, and auxiliary air port is oblique and is provided with down.
Further, circuit board is located at bottom the Fan casing and in auxiliary air port correspondence.
Preferably, main motor and close the wind-powered electricity generation machine and all adopt dc brushless motor, the efficient operation band of brushless electric machine is very wide, can save limited electric energy when work.
The present invention is owing to adopted technique scheme, cotton picking efficient height, disconnected suede content is low, the harvesting loss power is low, adopt the whole air draft system work of driven by Brush-Less DC motor in this air draft system, improved greatly and adopted cotton reliability, the compound air draught mode that this air draft system adopts the negative pressure air draught to combine with wind stopping device, utilize centrifugal main air blower in the main casing of a constant volume, to produce negative pressure, by pipeline with suction function in cotton, ripe cotton-wool is stretched along the blast direction, whole air draught unit adopts wind stopping device to isolate negative pressure box and atmosphere, reduced the negative pressure loss significantly, and the heat radiation lingering remnants of past customs of being discharged in the radiator structure by the cotton of wind stopping device blows to the cotton collecting bag, has made full use of the energy of whole system, the energy utilization rate height, the present invention simultaneously is simple in structure, and the reliable operation fault rate is low.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the external structure schematic diagram of novel suction system of piggyback cotton picker of the present invention;
Fig. 2 is the structural representation of bend pipe among the present invention;
Fig. 3 is complete section figure of the present invention;
Fig. 4 is operated in the structural representation of original state for wind stopping device among the present invention;
Fig. 5 is for closing the structural representation after fan blade turns over 60 degree among Fig. 4;
Fig. 6 is for closing the structural representation after fan blade turns over 120 degree among Fig. 4;
Fig. 7 is for closing the structural representation after fan blade turns over 180 degree among Fig. 4.
Embodiment
As shown in Figure 1 to Figure 3, be novel suction system of piggyback cotton picker of the present invention, comprise the circuit board 3 of main casing 1, main air blower 2 and control main air blower 2, main casing 1 top is provided with mouth-piece 12, and the bottom is provided with cotton output port 13, and cotton output port 13 connects the cotton collecting bag; Main air blower 2 is rotary work under circuit board 3 controls, main air blower 2 comprises the main motor 22 in Fan casing 21 and the Fan casing 21, main motor 22 adopts dc brushless motor, the output shaft 23 of main motor 22 is provided with provides the cotton moving main blade 24 that transmits usefulness, and output shaft 23 driving main blades 24 rotate to make and form negative pressure cavity 11 in the main casing 1; The import of negative pressure cavity 11 is that main casing 1 mouth-piece 12 connects to advance cotton with bend pipe 7, the import of bend pipe 7 is provided with can be with the helicla flute 71 of the fine cooperation of bellows, be used to connect cotton-picker head, bend pipe 7 tops are provided with cannelure, main casing 1 mouth-piece 12 places are provided with the annular protrusion corresponding with ring shaped slot 14, cannelure cooperates with annular protrusion 14 can freely turn an angle bend pipe 7, is convenient to adopt cotton, improves and adopts cotton efficient.The main air blower 2 air inlet places corresponding with mouth-piece 12 are provided with a guard that is rotationally connected 4, main motor 22 output shafts 23 front ends are provided with screw thread, guard 4 is socketed on the output shaft 23 and is coaxial in main blade 24, screw in the screw thread of output shaft 23 front ends and guard 4 is locked on the output shaft 23 driving guard 4 rotations when output shaft 23 drives main blade 24 rotations by locking nut 25.Guard 4 is disks that contain a lot of mesh, and size is consistent with the air inlet of main air blower 2, mainly is to stop that the cotton in the negative pressure cavity 11 enters the main blade 24 of high speed rotating, avoids cotton fiber destroyed.
Be provided with wind stopping device 5 between the cotton output port 13 of negative pressure cavity 11 and main casing 1 bottom, wind stopping device 5 comprises the wind-powered electricity generation machine 51 that closes, close wind-powered electricity generation machine 51 and adopt dc brushless motor, close wind-powered electricity generation machine 51 and close 53 rotations of fan blade wheel shaft by planetary gear reduction box 52 connections and driving, be provided with two bearing blocks 55 in opposite directions on main casing 1 inwall, be equipped with oiliness bearing 56 in the bearing block 55, will close fan blade wheel shaft 53 horizontal fixed by two oiliness bearings 56 and be connected in the main casing 1; Close fan blade wheel shaft 53 and be provided with and the close-fitting fan blade 54 that closes of main casing 1 inwall, close fan blade 54 with negative pressure cavity 11 inside and isolated from atmosphere, the quantity of wherein closing fan blade 54 can be according to the actual conditions setting.
The driver element of brushless electric machine can produce more heat down in working order, and in order to protect the steady operation of electronic component and retentive control system, air draft system also is provided with radiator structure 6.Radiator structure 6 comprises the cooling fan blade 61 that is arranged on main motor 22 output shafts 23, and cooling fan blade 61 is to enter the cotton collecting bag for whole brushless control system heat radiation and boosting cotton; Cooling fan blade 61 is fixedlyed connected with main blade 24 by fixed mount 26, and be distributed in fixed mount 26 both sides with main blade 24, main blade 24, fixed mount 26 and cooling fan blade 61 form one, locking nut 25 is locked at guard 4, main blade 24, fixed mount 26 and cooling fan blade 61 on main motor 22 output shafts 23, and output shaft 23 drives guard 4, main blade 24 and cooling fan blade 61 by fixed mount 26 and rotates.Be provided with air-breathing with cooling fan blade 61 corresponding positions on the Fan casing 21 with pod apertures 62, Fan casing 21 is provided with the air outlet 63 that Open Side Down in cooling fan blade 61 bottoms, Fan casing 21 bottoms are provided with the ventilative grid 64 that communicates with atmosphere, cooling fan blade 61 sucks air in the Fan casing 21 by pod apertures 62, and flows back to atmosphere by air outlet 63 and ventilative grid 64.Be provided with three auxiliary air ports 65 with ventilative grid 64 corresponding positions on main casing 1 bottom, other number also can be arranged in certainly auxiliary air port 65, auxiliary air port 65 is oblique and is provided with down, circuit board 3 is located at Fan casing 21 bottoms and in auxiliary air port 65 correspondences, the heat radiation lingering remnants of past customs enters the cotton output port 13 of main casing 1 bottom by circuit board 3 and auxiliary air port 65, both to circuit board 3 cooling of dispelling the heat, again can boosting enter in the cotton collecting bag through the cotton of wind stopping device 5.
The course of work of the present invention is as follows:
With close fan blade adopt three groups totally six be example, illustrate that the present invention adopts cotton process:
Cotton constantly is inhaled in the negative pressure cavity 11, and state as shown in Figure 4 is an original state, and had a cotton to drop in the race that closes fan blade 54 this moment; When close fan blade 54 rotate again 60 when spending as shown in Figure 5, the cotton in race has been rotated the centre position of wind stopping device 5, closes fan blade 54 this moment and also has two groups to be close to main casing 1 inwall, so negative pressure cavity 11 is also keeping original sealing state; When close fan blade 54 rotate again 60 when spending as shown in Figure 6, cotton in race is to the state that nearly drops, the cotton that comes in later simultaneously also begins to fall in the race that closes fan blade 54, close fan blade 54 this moment and also have two groups to be close to main casing 1 inwall, negative pressure cavity 11 is still isolated with ambient atmosphere; When close fan blade 54 rotate again 60 when spending as shown in Figure 7, first cotton drops fully, 65 pairs of cottons play booster action in auxiliary air port, second cotton closed fan blade 54 and forwarded to the centre position, the 3rd cotton also will drop in the race that closes fan blade 54, cotton constantly is discharged from negative pressure box and drops in the cotton collecting bag in the entire work process, and negative pressure cavity 11 remains the state with isolated from atmosphere again simultaneously, and the dividing potential drop loss is little.
Claims (10)
1, novel suction system of piggyback cotton picker, the circuit board (3) that comprises main casing (1), main air blower (2) and the described main air blower of control (2), in main casing (1), form negative pressure cavity (11) during described main air blower (2) rotary work, it is characterized in that: the air inlet place of described main air blower (2) is provided with a guard that is rotationally connected (4), be provided with wind stopping device (5) between the cotton output port (13) of described negative pressure cavity (11) and main casing (1) bottom, described wind stopping device (5) closely cooperates negative pressure cavity (11) inside and isolated from atmosphere with main casing (1) inwall.
2, novel suction system of piggyback cotton picker according to claim 1, it is characterized in that: described wind stopping device (5) comprises the wind-powered electricity generation machine (51) that closes, the described wind-powered electricity generation machine (51) that closes closes fan blade wheel shaft (53) by planetary gear reduction box (52) connection, described fan blade wheel shaft (53) horizontal fixed of closing is connected in the main casing (1), and the described fan blade wheel shaft (53) that closes is provided with and the close-fitting fan blade (54) that closes of main casing (1) inwall.
3, novel suction system of piggyback cotton picker according to claim 2, it is characterized in that: be provided with two bearing blocks (55) in opposite directions on described main casing (1) inwall, be equipped with oiliness bearing (56) in the described bearing block (55), will close fan blade wheel shaft (53) by described two oiliness bearings (56) and be fixed in the main casing (1).
4, novel suction system of piggyback cotton picker according to claim 1, it is characterized in that: described main air blower (2) comprises the main motor (22) in Fan casing (21) and the Fan casing (21), the output shaft (23) of described main motor (22) is provided with provides the cotton moving main blade (24) that transmits usefulness, and described output shaft (23) drives main blade (24) and rotates.
5, novel suction system of piggyback cotton picker according to claim 4, it is characterized in that: described output shaft (23) front end is provided with screw thread, described output shaft (23) is gone up socket guard (4), by locking nut (25) guard (4) is locked on the output shaft (23), described output shaft (23) drives guard (4) and rotates.
6, novel suction system of piggyback cotton picker according to claim 1, it is characterized in that: described air draft system also is provided with radiator structure (6), described radiator structure (6) comprises the cooling fan blade (61) that is arranged on main motor (22) output shaft (23), described Fan casing (21) is gone up and cooling fan blade (61) corresponding position is provided with air-breathing with pod apertures (62), described Fan casing (21) is provided with the air outlet that Open Side Down (63) in cooling fan blade (61) bottom, described Fan casing (21) bottom is provided with the ventilative grid (64) that communicates with atmosphere, described cooling fan blade (61) sucks air in the Fan casing (21) by pod apertures (62), and flows back to atmosphere by air outlet (63) and ventilative grid (64).
7, novel suction system of piggyback cotton picker according to claim 6, it is characterized in that: described cooling fan blade (61) is fixedlyed connected with main blade (24) by fixed mount (26), and being distributed in fixed mount (26) both sides with main blade (24), described main motor (22) output shaft (23) drives cooling fan blade (61) and main blade (24) rotation by fixed mount (26).
8, novel suction system of piggyback cotton picker according to claim 6 is characterized in that: be provided with auxiliary air port (65) with ventilative grid (64) corresponding position on described main casing (1) bottom, described auxiliary air port (65) is oblique and is provided with down.
9, novel suction system of piggyback cotton picker according to claim 1 is characterized in that: described circuit board (3) is located at bottom the Fan casing (21) and in auxiliary air port (65) correspondence.
10, novel suction system of piggyback cotton picker according to claim 1 and 2 is characterized in that: described main motor (22) and close wind-powered electricity generation machine (51) and all adopt dc brushless motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101012397A CN101606459B (en) | 2009-07-24 | 2009-07-24 | Novel suction system of piggyback cotton picker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101012397A CN101606459B (en) | 2009-07-24 | 2009-07-24 | Novel suction system of piggyback cotton picker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101606459A true CN101606459A (en) | 2009-12-23 |
| CN101606459B CN101606459B (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101012397A Expired - Fee Related CN101606459B (en) | 2009-07-24 | 2009-07-24 | Novel suction system of piggyback cotton picker |
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| CN (1) | CN101606459B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102119605A (en) * | 2010-11-09 | 2011-07-13 | 徐森良 | Combined inner ring gear rotary filter screen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204835U (en) * | 1985-11-10 | 1986-10-15 | 磐石县民用引风机厂 | Miniature draught fan |
| CN2627806Y (en) * | 2003-06-04 | 2004-07-28 | 新疆石河子柴油机厂 | Improved overhead pneumatic cotton picker and spraying multi-purpose machine |
| CN200947748Y (en) * | 2006-09-06 | 2007-09-19 | 张卫明 | Backpack type portable cotton picker |
| CN200950750Y (en) * | 2006-09-22 | 2007-09-26 | 李发宾 | Cotton pickup machine |
| CN201135037Y (en) * | 2008-01-07 | 2008-10-22 | 田欢 | Cotton picking and dividing device and pneumatic cotton picker |
| CN201256546Y (en) * | 2008-09-22 | 2009-06-17 | 刘玉祥 | Cotton picker |
-
2009
- 2009-07-24 CN CN2009101012397A patent/CN101606459B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102119605A (en) * | 2010-11-09 | 2011-07-13 | 徐森良 | Combined inner ring gear rotary filter screen |
| CN102119605B (en) * | 2010-11-09 | 2012-07-18 | 徐森良 | Combined inner ring gear rotary filter screen |
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| CN101606459B (en) | 2011-03-23 |
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