CN200997780Y

CN200997780Y - Cotton harvester

Info

Publication number: CN200997780Y
Application number: CNU2006200755604U
Authority: CN
Inventors: 李寿清
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-08
Filing date: 2006-08-08
Publication date: 2008-01-02
Anticipated expiration: 2016-08-08

Abstract

The utility model relates to a cotton picking machine. The utility model adopts the technology proposal that the utility model comprises an electric picking head, a conveying hose, a negative pressure fan, a cotton storage barrel and a direct current power supply, wherein the conveying hose is communicated with the electric picking head and cotton storage barrel, the negative pressure fan is arranged at the position on the cotton storage barrel corresponding to an inlet scoop , the direct current power supply is arranged in the cotton storage barrel and are connected with the electric picking head and the negative pressure fan through conducting wires. The utility model has the advantages that: firstly, the picking net rate is high, through adopting a rolling type picking wheel to pick the cotton wool in the cotton boll, the cotton in the cotton boll can be effectively picked, and the picking net rate is more than 98 percent. Secondly, the cotton quality is not reduced during the picking process, the cotton fibre can not be pulled apart when the cotton is picked and clamped, while cleaning the cotton on the picking wheel, the cleaning wheel can continuously blow away the cotton leaves around the cotton to maintain the clean of cotton, the cotton is not damaged and foreign body is not stuck to the cotton during the whole picking process, and the intrinsic characteristics of the raw cotton are maintained. Thirdly, the labor intensity is greatly reduced, the operator is not required to bend down, and compared with the manual picking, the working efficiency is improved for 3 times.

Description

Cotton harvester

Technical field

The utility model relates to agricultural machinery, more particularly, relates to a kind of cotton harvester.

Background technology

In China, large, medium and small type cotton picker all occurred, but all failed to obtain actual promoting the use of.Though external large-scale cotton picker is plucked cotton efficient height, use at home also to have a series of problems.At first, it has certain requirement to institute's piching cotton, requires the cotton in same field ripe simultaneously, grows into sustained height, also will fall leaves simultaneously.Obviously, present cotton seed and the plantation level of China also do not reach this requirement.In addition, the assorted rate height of the cotton that this large-scale cotton picker is plucked, and the screw feeder shape reaping apparatus of front end can prescind cotton-wool, thus the cotton quality of being gathered in the crops is descended, and cotton grower's economic benefit is affected.Have, this large-scale cotton picker cost height is not suitable for the operation in fritter cotton field again.

A kind of medium-sized cotton harvester with cotton-wool in the suction nozzle absorption cotton boll appearred in market, and for the different cotton boll of maturity, its suction is difficult to regulate, and suction is crossed and reached and impurity such as cotton leaf can be sucked in the lump, makes the percentage of impurity height of cotton-wool, and quality descends.Suction is too small can only to suck the cotton-wool at cotton boll center, and the cotton-wool that sticks on the cotton boll can not be drawn, and pick up rate is low, causes the cotton-wool loss.

Though various small cotton picking machines can alleviate manual labor to a certain extent, but the cotton of being gathered in the crops contains assorted problem, machine is very approaching with human body when plucking especially, make cotton-wool very easily the adhesion people hair and make the problem of the cotton quality decline of results fail to be well solved.

Summary of the invention

The purpose of this utility model is overcoming the deficiencies in the prior art, designs a kind of pick up rate height, the backpack cotton picking of the cotton substantially free of impurities of results, and it is realized by following technical scheme:

Comprise electric picking head, delivery hose, negative-pressure air fan, cotton storage barrel and dc source, delivery hose is communicated with electric picking head and cotton storage barrel, negative-pressure air fan places the position of corresponding inlet scoop on the cotton storage barrel, and dc source places in the cotton storage barrel and by lead and is connected with negative-pressure air fan with electric picking head.

Described electric picking head comprises support, gear drive, motor, picking wheel and cleaning wheel, the support upside is settled gear drive, form a gear-box, gear drive is by two driving gear I, II, two driven gear III, IV and two driven gear V, VI forms, machine shaft is connected with a driving gear rotating shaft wherein, two driven gear III, V and two driven gear IV, VI places the both sides of driving gear I and driving gear II respectively, and with its engagement, two driven gear III, the rotating shaft D 3 of IV, D4 and two driven gear V, the rotating shaft D 5 of VI, D6 extends downward in the support respectively, rotating shaft D 3 in support, D4 and rotating shaft D 5, connect one group of picking wheel and one group of cleaning wheel on the D6 respectively, one group of several picking wheel on the rotating shaft D 3 are corresponding one by one with one group of several picking wheel on the rotating shaft D 4, and the relative rolling type backward rotation of work in support, one group of several cleaning wheel on the rotating shaft D 5 are corresponding one by one with one group of several cleaning wheel on the rotating shaft D 4, and make the relative rolling type backward rotation in support.

The engagement radius of described two driving gear I, II is identical, and the engagement radius of two driven gear III, IV is greater than the engagement radius of two driven gear V, VI.

The arrangement that interlaces vertically of one group of several cleaning wheel on one group of several picking wheel on described rotating shaft D 3, the D4 and rotating shaft D 5, the D6 settle cleaning wheel on the axial location of rotating shaft D 5, the corresponding two adjacent picking wheel spacing L1 of D6, and L1 is not less than the diameter of cottonseed; On the axial location of rotating shaft D 5, the corresponding two adjacent cleaning wheel spacing L2 of D6, settle picking wheel.

The periphery of described picking wheel is evenly equipped with the triangle tooth alternate with circular arc.

Two of lance tooth is not tiltedly isometric on the described picking wheel periphery.

The periphery of described cleaning wheel is evenly equipped with several crescent teeth.

One side of described cotton storage barrel is provided with braces.

Be connected with handle on the described electric picking head.

The lower end of described cotton storage barrel is equipped with sled shape bottom.

The invention has the beneficial effects as follows: 1) pick up rate height, the picking wheel of employing rolling type is won the cotton-wool in the cotton boll, can effectively collect the cotton in the cotton boll, and pick up rate reaches more than 98%.2) harvesting process does not reduce cotton quality, and at first the picking wheel periphery is designed to the alternate shape tooth of trigonometric sum circular arc, can not break cotton fiber during the clamping cotton; Secondly, the rotating speed of cleaning wheel is higher than the rotating speed of picking wheel, and the cotton that on one side picking wheel is bonded on the picking wheel when cleaning wheel rotates scrapes, Yi Bian play the fan effect, constantly the cotton leaf around the cotton is dispelled away, keeps the cleaning of cotton; Have, it is targetedly that picking head is plucked again, selective maturation, the cotton boll of fallen leaves pluck, avoid impurity such as cotton leaf are collected into, cause contain assorted high; In addition, away from human body, operator's hair was difficult for entering when the picking head among the present invention was plucked, and whole thus harvesting process is not damaged, do not glue assorted to cotton fiber, keep the intrinsic characteristic of raw cotton.3) reduce labor intensity largely, the operator need not to bend over, as long as hand-held picking head is aimed at the cotton boll that will pluck, operation easily can be plucked unginned cotton 300kg for each person every day, compares with artificial harvesting and improves 3 times of effects.

Description of drawings

Fig. 1 is the structural representation of mechanism of the present invention.

Fig. 2 is the structural representation of electric picking head.

Fig. 3 is the structural representation of picking wheel.

Fig. 4 is the vertical view of picking wheel structural representation.

The structural representation of Fig. 5 cleaning wheel.

The vertical view of the cleaning wheel structural representation that Fig. 6 is.

Among the figure, the 1st, electric picking head, the 2nd, handle, the 3rd, delivery hose, the 4th, braces, the 5th, cotton storage barrel, the 6th, negative-pressure air fan, the 7th, blower fan case, the 8th, cotton storing bag, the 9th, dust cover support, the 10th, dust cover, the 11st, dc source, the 12nd, stick up the shape bottom, the 13rd, picking wheel, the 14th, cleaning wheel, the 15th, support, the 16th, motor, the 17th, lance tooth, the 18th, round-arced tooth, the 19th, crescent tooth, the 20th, gear drive, the 21st, gear-box, the 22nd, the short hypotenuse, the 23rd of lance tooth, the long hypotenuse of lance tooth, the 24th, cotton storage barrel lid, 26 axle sleeve, the 27th, the shaft shoulder.

Embodiment

The present invention will be further described below in conjunction with the drawings and specific embodiments.

Contrast Fig. 1, delivery hose 3 is communicated with electric picking head 1 and cotton storage barrels 5, and negative-pressure air fan 6 places the position, corresponding inlet scoop on the cotton storage barrel lid 24 of cotton storage barrel upper end.Dc source 11 places the bottom in the cotton storage barrel 5, and by lead respectively with electric picking head 1 on motor 16 be connected with negative-pressure air fan 11, to provide power supply to them.The outside of negative-pressure air fan 6 is added with blower fan case 7, connects by dustproof support in corresponding cotton storage barrel inboard and dustproofly makes cover, in case negative-pressure air fan 6 is when outwards bleeding, the dust in the cotton is aggregation in negative-pressure air fan 6 constantly.Place a cotton storing bag 8 in the cotton storage barrel 5, its mouthful turns in the outside of cotton storage barrel 5 upper port and tightens with a clamp special.One side of cotton storage barrel 5 is provided with braces, bears on both shoulders for the operator, and the lower end of cotton storage barrel 5 is equipped with sled shape bottom 12, is convenient to move on ground.When not bearing it and move for the operator, can be by dragging reach.The structure of cotton storage barrel bottom, frictional force are less relatively, when dragging and leicht fallen D/A.

Contrast Fig. 2, electric picking head 1 is made up of support 15, gear drive 20, motor 16, picking wheel 13, cleaning wheel 14 etc.Upside at support 15 is settled gear drive 20, forms a gear-box 21, covers motor 16 is installed on this gear-box.Gear drive 20 is made up of two driving gear I, II, two driven gear III, IV and two driven gear V, IV, and machine shaft is connected with the rotating shaft of driving gear II.Two driven gear III, V and two driven gear IV, VI place the both sides of driving gear I and driving gear II respectively, and with its engagement.Rotating shaft D 5, the D6 of the rotating shaft D 3 of two driven gear III, IV, D4 and two driven gear V, VI extend downward respectively in the support 15, connect one group of picking wheel 13 on rotating shaft D 3 in support 15, the D4 respectively, on rotating shaft D 5, D6, connect one group of cleaning wheel 14 respectively.One group of picking wheel on rotating shaft D 3, the D4 contains 3 picking wheels 13, and one group of cleaning wheel on rotating shaft D 5, the D6 contains 4 cleaning wheels.3 picking wheels on the rotating shaft D 3 are corresponding one by one with 3 picking wheels on the rotating

shaft D

4, and 4 cleaning wheels on the rotating shaft D 5 are corresponding one by one with 4 cleaning wheels on the rotating shaft D 4.During work, the rotate mutual backward rotation of relative rolling type of direction V F direction in support of a pair of picking wheel one to one or cleaning wheel sees also Fig. 3.

Please continue referring to Fig. 2, the arrangement that interlaces vertically of one group of 4 cleaning wheel on one group of 3 picking wheel on rotating shaft D 3, the D4 and rotating shaft D 5, the D6, on the axial location of rotating shaft D 5, the corresponding two adjacent picking wheel spacing L1 of D6, settle cleaning wheel 14, L1 is not less than the diameter of cottonseed, and general L1 minimum is got 10mm.On the axial location of the corresponding two adjacent cleaning wheel spacing L2 of D3, D4, settle picking wheel 13.Axial spacing L1 between rotating shaft D 3, the D4 last two adjacent picking wheels 13 guarantees that by axle sleeve 26 14 axial spacing L2 of rotating shaft D 5, D6 last two adjacent cleaning wheels is guaranteed by the shaft shoulder on the cleaning wheel 27, sees also Fig. 7.

The periphery of picking wheel 13 is evenly equipped with the lance tooth tooth alternate with circular arc, and wherein two hypotenuses of lance tooth 17 are not isometric.During picking wheel work, mainly by short hypotenuse 22 clamping cottons, the picking wheel of this profile of tooth when the clamping cotton, does not form damage to cotton fiber, sees also Fig. 3, Fig. 4, Fig. 5.

The periphery of cleaning wheel is evenly equipped with 4 crescent teeth, and its wall thickness is thicker, has the fan blade effect during rotation, sees also Fig. 6, Fig. 7.Because the engagement radius of driven gear III, IV is greater than the engagement radius of two driven gear V, IV, so the rotating speed of cleaning wheel will be higher than the rotating speed of picking wheel.

During operation, cotton storage barrel 5 can be carried on the back in both shoulders, also can place ground, handle on operator's hand electric picking head is aimed at cotton boll and is plucked, two groups (3 pairs) win cotton in the cotton boll to the picking wheel 13 of rolling type, and the shape tooth that the trigonometric sum circular arc of picking wheel periphery is alternate constantly is pushed to the cotton clamping in the electric picking head 1.The short hypotenuse 22 main clamping actions that rise, circle-arc tooth is alleviated the stretching action of rake tooth, makes cotton stressed suitably, and is can Yin Lali not excessive and break cotton fiber.Cleaning wheel 14 is between the picking wheel 13, and its rotating speed is higher than picking wheel, Yi Bian the cotton-wool that it constantly will be bonded on the picking wheel 13 strikes off, carries to delivery hose 5 and finishes first order conveying, Yi Bian constantly the impurity such as cotton leaf around the cotton are dispelled away.The negative-pressure air fan 6 of cotton storage barrel upside makes and forms negative pressure in the cotton storage barrel, and under the effect of this negative pressure, the cotton of carrying through cleaning wheel 14 is delivered to fast finishes the second level and carry in the cotton storage barrel 5.Whole harvesting results process keeps the raw cotton inherent characteristic to the cotton not damaged.During harvesting, because the structure of picking head makes it far away from human body in the utility model, the hair that is difficult for the adhesion operator, and plucking is targetedly, the cotton boll of selective maturation, fallen leaves is plucked, be difficult for impurity such as cotton leaf are collected into, so the cotton substantially free of impurities that the utility model is plucked.Simultaneously, picking wheel is to the harvesting mode picking efficiency height of rolling type in the utility model, and pick up rate is up to more than 98%.

Claims

1, cotton harvester, it is characterized in that comprising electric picking head, delivery hose, negative-pressure air fan, cotton storage barrel and dc source, delivery hose is communicated with electric picking head and cotton storage barrel, negative-pressure air fan places the position of corresponding inlet scoop on the cotton storage barrel, and dc source places in the cotton storage barrel and by lead and is connected with negative-pressure air fan with electric picking head.

2, cotton harvester according to claim 1, it is characterized in that described electric picking head comprises support, gear drive, motor, picking wheel and cleaning wheel, the support upside is settled gear drive, form a gear-box, gear drive is by two driving gear (I, II), two driven gear (III, IV) and two driven gear (V, VI) form, machine shaft is connected with a driving gear rotating shaft wherein, two driven gear (III, V) and two driven gear (IV, VI) place the both sides of driving gear (I) and driving gear (II) respectively, and with its engagement, two driven gear (III, IV) rotating shaft (D3, D4) and two driven gear (V, VI) rotating shaft (D5, D6) extend downward in the support respectively, rotating shaft (D3 in support, D4) and rotating shaft (D5, D6) connect one group of picking wheel and one group of cleaning wheel on respectively, one group of several picking wheel in the rotating shaft (D3) are corresponding one by one with one group of several picking wheel in the rotating shaft (D4), and make backward rotation in the support in opposite directions, one group of several cleaning wheel in the rotating shaft (D5) are corresponding one by one with one group of several cleaning wheel in the rotating shaft (D4), and make the backward rotation in the support in opposite directions.

3, cotton harvester according to claim 2 is characterized in that the engagement radius of described two driving gears (I, II) is identical, and the engagement radius of two driven gears (III, IV) is greater than the engagement radius of two driven gears (V, VI).

4, cotton harvester according to claim 2, it is characterized in that the arrangement that interlaces vertically of one group of several picking wheel in the described rotating shaft (D3, D4) and one group of several cleaning wheel in the rotating shaft (D5, D6), on the axial location of the corresponding two adjacent picking wheel spacing L1 of rotating shaft (D5, D6), settle cleaning wheel, and L1 is not less than the diameter of cottonseed; On the axial location of the corresponding two adjacent cleaning wheel spacing L2 of rotating shaft (D5, D6), settle picking wheel.

5, cotton harvester according to claim 2 is characterized in that the periphery of described picking wheel is evenly equipped with the triangle tooth alternate with circular arc.

6, cotton harvester according to claim 5 is characterized in that two of lance tooth on the described picking wheel periphery are tiltedly not isometric.

7, cotton harvester according to claim 2 is characterized in that the periphery of described cleaning wheel is evenly equipped with several crescent teeth.

8, cotton harvester according to claim 1 is characterized in that a side of described cotton storage barrel is provided with braces.

9, cotton harvester according to claim 1 is characterized in that being connected with handle on the described electric picking head.

10, cotton harvester according to claim 1 is characterized in that the lower end of described cotton storage barrel is equipped with sled shape bottom.