CN204047182U - A kind of full feed type rape combined harvester - Google Patents

Abstract

The utility model discloses a kind of grain threshing roller for all feeding-in combine, comprise the skeleton be made up of threshing roll shaft (1), connecting ring (2), left threshing wheel hub (3) and right threshing wheel hub (4), and the rasp bar (5) be connected on this skeleton, this grain threshing roller adopts line bar type structure, compared to ratch structure of the prior art, considerably increase threshing intensity, improve Threshing; And, after left grain threshing roller has installed guide vane additional, have good guide effect, material can enter secondary grain threshing roller by predetermined direction, namely material according to predetermined direction near secondary grain threshing roller porch, and add the stroke of material on secondary grain threshing roller and threshing time, further reinforcement Threshing, this grain threshing roller is particularly useful for the higher crop of stalk water content as this in rape, and the stalk disintegrating slag content after threshing in dish son is few, being easy to the later stage cleans, and reduces percent of loss and grass degree of ratio.

Description

A kind of full feed type rape combined harvester

Technical field

The utility model belongs to field of agricultural machinery, is specifically related to a kind of rape combined harvester.

Background technology

Because rapeseed plants is tall and big, branch is many, and the section of bearing pods is longer, causes grass-seed than high, threshing segregational load is large, and it is high to add moisture content of straws, is unfavorable for that grass-seed is separated, field loss rate is higher, and major part plantation family is more ready to carry out hand harvest, thus causes the rape ' s combine harvester tool degree of China on the low side.

The rape combined harvester of current employing is generally: transformed by full feed type rice/wheat combine, namely by lengthening the ceding of Taiwan, and orthogonal perpendicular cutter and horizontal cutter are set in the front of body, wherein, horizontal cutter is positioned at the front lower place of body, perpendicular cutter is positioned at the side of body, and, its threshing unit normally adopts Ratch type structure, namely, ratch arranges threshing tooth, during harvesting, rape stalk is with vegetable seed, send into threshing unit by feeding auger cylinder and chain scraper conveyor and carry out threshing, grass-seed separation is carried out by small-bore screen cloth in the screening stage.Mainly there is following defect in the grain header of this structure:

(1) in threshing feeding place, carry out threshing while transporting chain plate clamping rape stalk, adopt Ratch type grain threshing roller, cause the degree of grinding of rape stalk higher, cause follow-up segregational load heavier, seed grass is not easily separated, rape stalk moisture content is high, easily blocks screen cloth.

(2) this combine is the vertical type plant of harvesting less than 1.8 meters height, and maturity is when the rape of 90% ~ 95%, and effect is better; But the plant of harvesting higher than more than 1.8 meters, maturity is below 85%, or when having a rape of lodging, harvesting effect is just poor, especially when gathering in the rape that irregular field is cultivated, during its open circuit operation, stalk is wound around very serious, operation has some setbacks very much, and when adding the maturity difference of rape, its threshing performance is low, threshing loss is large, and screening loss is also larger.

(3) under, knife lifting scope is less, not only can not smoothly by barriers such as the raised paths through fields, also very easily in driving process because lower cutter is conflicted barrier and having an accident, this grain header is not suitable for more region, this hilly country, Sichuan especially, and when gathering in, often stay and higher cut stubble, be unfavorable for the later stage cleaning of planting site.

Utility model content

For above-mentioned deficiency, the utility model provides a kind of full feed type rape combined harvester, and this grain header can carry out operation for the rapeseed plants of differing heights, and effectively can avoid the winding of rape stalk when working, open circuit operation is smooth and easy, not only can be widely used in zones of different, and can not leave height in planting site after harvesting and cut stubble, be beneficial to the cleaning of later stage plantation and recultivate, its structure is simple, and depart from excellent in efficiency, in the product obtained, grass-seed is than low, threshing performance is high, and percent of loss is low.

The utility model is realized by such technical scheme: a kind of full feed type rape combined harvester, comprise body, dynamical system, the ceding of Taiwan being articulated in body front end and the running gear be arranged on below body, the described ceding of Taiwan is arranged on the front end of body, comprise the perpendicular cutter of one group of two dynamic cross cut cutter and both sides, wherein, described two dynamic cross cut cutter spacing is in the below of ceding of Taiwan front end, and perpendicular cutter is 2 groups, lays respectively at the both sides of ceding of Taiwan front end.

As preferably, described two dynamic cross cut cutter is bolted on the framework of ceding of Taiwan front end, the front end of perpendicular cutter arranges nearside divider and protective case, the rear lower of nearside divider is bolted on the framework of the ceding of Taiwan, perpendicular cutter is bolted on the support of nearside divider, make two dynamic cross cut cuttves and perpendicular cutter more firm.

As preferably, described two dynamic cross cut cutter spacing is in the below of ceding of Taiwan front end, and perpendicular cutter is two groups, lays respectively at the both sides of ceding of Taiwan front end, is convenient to carrying out smoothly of rape harvesting and open circuit operation.

As preferably, grain header also comprises the stubble treating apparatus being positioned at front part of a body; Stubble treating apparatus comprise be connected with the ceding of Taiwan lifting device, driven and the support arm be synchronized with the movement with it by described lifting device, wherein, the front end of described support arm arranges cutter, and rear end is connected with body by main back shaft.

As preferably, described lifting device comprises three journal stirrups, the connecting rod of two band elongated holes, a pull bar and a steel cable, wherein, three journal stirrups are connected on the knife rest of the ceding of Taiwan, body and cutter, and one end of two connecting rods is connected with the journal stirrup on knife rest respectively, and one end of pull bar is between two elongated holes and be connected with these two elongated holes, this end can slide in elongated hole, the other end is connected with the journal stirrup on body, and one end of steel cable is connected with pull bar, and the other end is connected with the journal stirrup in the ceding of Taiwan.

As preferably, support arm is arranged a stopping means, comprise and be arranged on an arcuate struts on main back shaft and bolt, this bolt is positioned at above the crossbeam of running gear simultaneously.

As preferably, described arcuate struts is connected with body by main back shaft, and can rotate relative to body around this main back shaft.

As preferably, described stopping means is two groups, and structure is identical, lays respectively at the both sides of body.

As preferably, described sheller unit comprises the one-level grain threshing roller and secondary grain threshing roller that are positioned at body, and wherein, one-level grain threshing roller comprises the skeleton be made up of threshing roll shaft, connecting ring and threshing wheel hub, and is connected to the rasp bar on this skeleton.

As preferably, described secondary grain threshing roller is arranged on the rear of one-level grain threshing roller, the threshing tooth comprising some ratch and be arranged on ratch, and wherein, the afterbody of secondary grain threshing roller arranges " U " shape cutting knife cooperatively interacted for shredding stalk with described threshing tooth.

As preferably, described two dynamic cross cut cutter is bolted on the framework of ceding of Taiwan front end, comprise movable cutter set and lower movable cutter set, the front end of perpendicular cutter arranges nearside divider and protective case, the rear lower of nearside divider is bolted on the framework of the ceding of Taiwan, and perpendicular cutter is bolted on the support of nearside divider.

Owing to have employed said structure, the beneficial effects of the utility model are as follows:

(1) this two dynamic cross cut cutter and bilateral is adopted to erect the ceding of Taiwan structure of cutter, the even running of ceding of Taiwan when not only ensure that rape gathers in, can also guarantee that grain header effectively can gather in the upright rape of various height, with the lodging rape of differing heights, more can gather in the rape of differing maturity, and when carrying out open circuit operation in irregular planting site, the perpendicular cutter of bilateral has well guiding and cutting action, the ceding of Taiwan is effectively prevented to be wound around by rape branch, improve adaptability and the harvesting ability of whole grain header, it can enter planting site in any direction and carry out harvesting, guaranteeing harvesting, everything goes well with your work carries out.

(2) whole stubble treating apparatus can with ceding of Taiwan synchronization lifting, not only can save independent Power Drive Unit, make whole grain header structure and operate simpler, can also guarantee that stubble treating apparatus can not submerge in earth when operation further, it can according to different planting site environment, enough height are played with ceding of Taiwan lifting, smoothly by the barrier of such as raised path through fields class, walk safe and reliable, and, the scope that rotates of support arm controls by the height of head of adjusting bolt, to regulate the optimum height of cutter, guarantee to cut stubble in certain altitude range, be convenient to the cleaning of later stage planting site and recultivate.

(3) the one-level grain threshing roller of line bar type structure can strengthen the rape Threshing of the first order, and reduce the crush strength of rape stalk in first order threshing course, thus alleviate the intensity of later stage screening work, reduce the load of compass screen surface, avoid compass screen surface blocked, improve first order threshing performance, and grass-seed can be made more can be separated fully fast in the threshing course of the second level, improve threshing and the separating power of whole grain header.

Accompanying drawing explanation

The complete machine structure figure of the combine that Fig. 1 provides for the utility model.

Fig. 2 is the cross-sectional plan view of the ceding of Taiwan in Fig. 1.

Fig. 3 is the structure chart of sheller unit.

Fig. 4 is the structure chart of stubble treating apparatus.

Fig. 5 is the structure chart of two dynamic cross cut cutter.

Embodiment

In order to clearly understand the purpose of this utility model, technical scheme and beneficial effect, below in conjunction with accompanying drawing, the utility model is described further, but protection domain of the present utility model is not limited in the examples below.

As shown in Figures 1 to 5.

Embodiment one:

Refer to Fig. 1 to Fig. 5, a kind of full feed type rape combined harvester, comprise body 1, grain storage box 30, dynamical system, the ceding of Taiwan 2 being articulated in body 1 front end and the running gear 3 be arranged on below body 1, it also comprises the sheller unit 4 being arranged on top in body 1 and the stubble treating apparatus 5 being positioned at body 1 front portion, the bottom of sheller unit 4 arranges screening plant 31, namely the top of the ceding of Taiwan 2 arranges rice crop-winding equipment 32(, straw shift wheel), the described ceding of Taiwan 2 is arranged on the front end of body 1, comprises the perpendicular cutter 7 of one group of two dynamic cross cut cutter 6 and both sides; Wherein, described two dynamic cross cut cutter 6 is positioned at the below of the ceding of Taiwan 2 front end, for shearing rape stem, relative to cross cut cutter of the prior art, not only enhance the shear effect to Rape Straw, more can adapt to sturdy rape stem, after rape is cut-off, under the effect of conveying plant, enter into sheller unit 4 and carry out threshing; Perpendicular cutter 7 is two groups, lays respectively at the both sides of the ceding of Taiwan 2 front end, and two groups are erected cutter 7 and are all arranged vertically with two dynamic cross cut cutter 6, possess the dual-use function sheared and open a way simultaneously; Described two dynamic cross cut cutter 6 is bolted on the framework of the ceding of Taiwan 2 front end, comprise movable cutter set 35 and lower movable cutter set 39, the front end of perpendicular cutter 7 arranges nearside divider 28 and protective case 29, the rear lower of nearside divider 28 is bolted on the framework of the ceding of Taiwan 2, perpendicular cutter 7 is bolted on the support of nearside divider 28, adopt a supportive device to be connected with the ceding of Taiwan 2 by perpendicular cutter 7 simultaneously, make perpendicular cutter 7 position more firm further, more steady during operation; When power reaches the ceding of Taiwan 2, turn acting in conjunction by eccentric mechanism 34 and left and right driving and circular motion is converted to the reciprocating motion of cutter in rectilinear direction, first power reach left driving and turn 36, the two upper movable cutter set 35 of dynamic cross cut cutter 6 of 36 drives and the perpendicular cutter 7 in left side are turned in left driving, the upper movable cutter set 35 of two dynamic cross cut cutter 6 drives the lower movable cutter set 39 of two dynamic cross cut cutter 6 by cutter intermediate transmission mechanism 38, the lower movable cutter set 39 of two dynamic cross cut cutter 6 turns the perpendicular cutter 7 on the right side of 37 drivings by right driving again.

During use, the ceding of Taiwan 2 of said structure is articulated in the front portion of grain header body 1, and drive the ceding of Taiwan 2 to swing up and down relative to body 1 by hydraulic cylinder 33 stretching motion of the ceding of Taiwan 2 self the chassis body back lower place, its swinging position switches at decline job state and rising between non-job state, also can according to practical situation fine setting lifting under job state.

This two dynamic cross cut cutter 6 and the ceding of Taiwan 2 both sides are adopted to be provided with the structure of perpendicular cutter 7, not only ensure that the even running of the ceding of Taiwan 2 in rape harvesting, can also guarantee that grain header effectively can gather in the upright rape of various height, more can gather in the lodging rape of differing heights, and when carrying out open circuit operation in irregular planting site, the perpendicular cutter 7 of bilateral has well guiding and cutting action, the ceding of Taiwan 2 is effectively prevented to be wound around by rape branch, improve adaptability and the harvesting ability of whole grain header, it can be opened in any direction and carry out harvesting into planting site, guaranteeing harvesting, everything goes well with your work carries out.

Embodiment two:

Refer to Fig. 1 and Fig. 4, as the improvement of above-described embodiment one, described stubble treating apparatus 5 is comprised be connected with the ceding of Taiwan 2 lifting device, driven and the support arm 8 be synchronized with the movement with it by described lifting device, this stubble treating apparatus 5 is mainly used in shearing the stalk stayed after rape stem is sheared in the ceding of Taiwan 2 and cuts stubble, wherein, described support arm 8 is positioned at the both sides of body 1, and its front end arranges cutter 9, and rear end is all connected with body 1 by main back shaft 18; Described lifting device comprises connecting rod 11, pull bar 12 and a steel cable 13 of three journal stirrups 10, two band elongated hole 14, wherein, three journal stirrups 10 are connected on the knife rest 55 of the ceding of Taiwan 2, body 1 and cutter 9, one end of two connecting rods 11 is connected with the journal stirrup 10 on knife rest 55 respectively, two elongated holes 14 are connected with one end of pull bar 12 simultaneously, the other end of pull bar 12 is connected with the journal stirrup 10 on body 1, and one end of steel cable 13 is connected with pull bar 12, and the other end is connected with the journal stirrup 10 in the ceding of Taiwan 2; Main back shaft 18 being arranged a stopping means, for limiting the scope of activities of support arm 8, ensureing that stubble treating apparatus 5 can not move to lower position and submerge in earth, can also control to adjust the height cutting stubble further simultaneously; Stopping means is two groups, lay respectively at the both sides of body 1, each group structure is identical, comprise the arcuate struts 16 that is arranged on main back shaft 18 and on bolt 15, this bolt 15 is positioned at above the crossbeam 17 of running gear 3 simultaneously, arcuate struts 16 is connected with body 1 by main back shaft 18, and can rotate relative to body 1 around this main back shaft 18, and the motion of support arm 8 can be made more flexible.

Whole stubble treating apparatus 5 can with the ceding of Taiwan 2 synchronization lifting, lifting situation according to the ceding of Taiwan 2 carries out synchronization lifting motion, not only can save independent Power Drive Unit, make whole grain header structure and operate simpler, can also guarantee that stubble treating apparatus 5 can not submerge in earth when operation further, it according to different planting site environment, can play enough height with the ceding of Taiwan 2 lifting, smoothly by the barrier of such as raised path through fields class; What need one to carry is, although stubble treating apparatus 5 can move with the ceding of Taiwan 2 synchronization lifting, under the effect of two groups of stopping means, its move to comparatively low spot time, bolt 15 will be against on the crossbeam 17 of running gear, just can not move downward again, and the minimum point of therefore its motion is restricted, the slewing area of support arm 8 controls by the height of head of adjusting bolt 15, to regulate the optimum height of cutter 9.

When the ceding of Taiwan 2 ascending motion, steel cable 13 is tauted after being subject to its tractive force, and then drive motion on pull bar 12, when pull bar 12 not on move on to the top of connecting rod elongated hole 14 time, connecting rod 11 and support arm 8 are all the time at lowest order, this had both ensured that ceding of Taiwan height can regulate within the specific limits according to rapeseed plants height, and stubble process highly remains at lowest order; When the ceding of Taiwan be lifted to pull bar 12 move on to the top of connecting rod elongated hole 14 time, connecting rod 11 drives support arm 8 to rise, and after reaching a certain height, whole stubble treating apparatus 5 rises to extreme higher position, thus ensures the field property passed through of whole grain header; Further, adopt this soft attachment of steel cable 13 to be connected with the journal stirrup 10 in the ceding of Taiwan 2 by pull bar 12, when support arm drops to limited extreme lower position, this steel cable 13 can bend, and to prevent pull bar 12 damaged, works together also very flexible.

Embodiment three:

Refer to Fig. 1 and Fig. 3, sheller unit 4 in the present embodiment comprises the one-level grain threshing roller 19 and secondary grain threshing roller 20 that are positioned at body 1, wherein, one-level grain threshing roller 19 comprises by threshing roll shaft 21, the skeleton that connecting ring 22 and threshing wheel hub 23 are formed, and the rasp bar 24 be connected on this skeleton, the one-level grain threshing roller 19 of line bar type structure can strengthen the rape Threshing of the first order, and reduce the crush strength of rape stalk in first order threshing work, thus alleviate the intensity of later stage screening work, reduce the load of compass screen surface, avoid compass screen surface blocked, make grass-seed more can be separated fully fast in the threshing work of the second level simultaneously, improve threshing and the separating power of whole grain header.

Described secondary grain threshing roller 20 is arranged on the rear of one-level grain threshing roller 19, the threshing tooth 26 comprising some ratch 25 and be arranged on ratch 25, wherein, the afterbody of secondary grain threshing roller 20 arranges " U " shape cutting knife 27 cooperatively interacted for shredding stalk with described threshing tooth 26, so that will shred at the afterbody of secondary grain threshing roller 20, be beneficial to rape stalk and discharge harvesting body 1, improve adaptability and the ability to work of grain header further.

Above rape combined harvester provided by the present invention is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (10)

1. a full feed type rape combined harvester, comprise body (1), dynamical system, be articulated in the ceding of Taiwan (2) of body (1) front end and be arranged on the running gear (3) of body (1) below, it is characterized in that: the described ceding of Taiwan (2) is arranged on the front end of body (1), comprise the perpendicular cutter (7) of one group of two dynamic cross cut cutter (6) and both sides.

2. full feed type rape combined harvester as claimed in claim 1, it is characterized in that: described two dynamic cross cut cutter (6) is bolted on the framework of the ceding of Taiwan (2) front end, the front end of perpendicular cutter (7) arranges nearside divider (28) and protective case (29), the rear lower of nearside divider (28) is bolted on the framework of the ceding of Taiwan (2), and perpendicular cutter (7) is bolted on the support of nearside divider (28).

3. full feed type rape combined harvester as claimed in claim 1, is characterized in that: described two dynamic cross cut cutter (6) is positioned at the below of the ceding of Taiwan (2) front end, and perpendicular cutter (7) is two groups, lays respectively at the both sides of the ceding of Taiwan (2) front end.

4. full feed type rape combined harvester as claimed in claim 1, is characterized in that: this grain header also comprises the stubble treating apparatus (5) being positioned at body (1) front portion.

5. full feed type rape combined harvester as claimed in claim 4, it is characterized in that: described stubble treating apparatus (5) comprise be connected with the ceding of Taiwan (2) lifting device, driven and the support arm (8) be synchronized with the movement with it by described lifting device, wherein, described support arm (8) is positioned at the both sides of body (1), its front end arranges cutter (9), and rear end is connected with body (1) by main back shaft (18).

6. full feed type rape combined harvester as claimed in claim 5, it is characterized in that: described lifting device comprises three journal stirrups (10), the connecting rod (11) of two bands elongated hole (14), a pull bar (12) and a steel cable (13), wherein, three journal stirrups (10) are connected to the ceding of Taiwan (2), on the knife rest (55) of body (1) and cutter (9), one end of two connecting rods (11) is connected with the journal stirrup (10) on knife rest (55) respectively, two elongated holes (14) are connected with one end of pull bar (12) simultaneously, the other end of pull bar (12) is connected with the journal stirrup (10) on body (1), one end of steel cable (13) is connected with pull bar (12), the other end is connected with the journal stirrup (10) in the ceding of Taiwan (2).

7. full feed type rape combined harvester as claimed in claim 6, is characterized in that: described main back shaft (18) arranges a stopping means.

8. full feed type rape combined harvester as claimed in claim 7, it is characterized in that: described stopping means comprises and is arranged on an arcuate struts (16) on main back shaft (18) and bolt (15), and this bolt (15) is positioned at crossbeam (17) top of running gear (3) simultaneously.

9. full feed type rape combined harvester as claimed in claim 8, is characterized in that: described arcuate struts (16) is connected with body (1) by main back shaft (18), and can rotate relative to body (1) around this main back shaft (18).

10. the full feed type rape combined harvester according to any one of claim 4 to 9, is characterized in that: described stopping means is two groups, and structure is identical, lays respectively at the both sides of body (1).