CN202026605U

CN202026605U - Cutting head of sugarcane harvester

Info

Publication number: CN202026605U
Application number: CN2011200870355U
Authority: CN
Inventors: 罗大成
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-20
Filing date: 2011-03-20
Publication date: 2011-11-09
Anticipated expiration: 2021-03-20

Abstract

The utility model relates to a cutting head of a sugarcane harvester, belonging to a sugarcane harvesting machine. The cutting head of the sugarcane harvester comprises a rack and a pair of disc cutters. The two ends of cutter shafts are supported at the middle-front part of the rack by using bearings. Two barrel shafts are respectively supported outside the two cutter shafts. Two helical blades are arranged outside the two barrel shafts, wherein the length of the two helical blades is the same, the pitch of the two helical blades is the same, the rotating directions of the two helical blades are opposite, the initial ends of the two helical blades are symmetrical, the edges of the two helical blades are overlapped by at least 2cm and are close to each other and the outer diameter of the two helical blades is at least 5cm smaller than the outer diameter of the disc cutters. Axial elastic plucking pieces or coaxial elastic plucking rollers are installed outside the two barrel shafts. The plucking pieces outside the two barrel shafts are symmetrical to each other by the symmetrical center of the two barrel shafts. Gears or chain wheels are installed at the upper ends of the cutter shafts and the barrel shafts. The rotating directions of the two cutter shafts are opposite. The rotating directions of the barrel shafts are respectively the same as the rotating directions of the cutter shafts in the barrel shafts. By using the cutting head, the cutting, the lifting and the delivery of sugarcanes can be completed at one step. The cutting head of the sugarcane harvester has the advantages that the structure is simple and compact, the volume is small, the required power is less, the cutting surfaces of the sugarcanes and reserved roots are flat and are free of large bifurcated cracks, especially the manufacturing cost is low and particularly the cutting head can be widely popularized and used by vast sugarcane farmers.

Description

Cane harvester cut head

Technical field

The utility model relates to a kind of harvesting sugarcane machinery, particularly a kind of cane harvester tool cut head.

Background technology

Present existing sugarcane combine mostly by the walking chassis, cut head, stripping leaf device and collection sugarcane railway carriage or compartment and form, and the sugarcane machine of cutting down has only the walking chassis and cuts head.No matter be combine or cut down machine, it receives the quality of sugarcane quality, depend primarily on the design and the workmanship that cut head, great majority cut head and comprise that frame and a pair of sugarcane bar cut off cutting disc, but cutting disc is only arranged, not good cut the head design, no matter the how how systematization of complexity of the structure of complete machine, it is still undesirable that it cuts the sugarcane performance.Existing sugarcane combine and sugarcane are cut down machine, the quality of not only cutting sugarcane can not satisfactory, job insecurity, and the cost of grain header is also higher, causes the difficulty promoted the use of bigger, makes present sugarcane grower still rest on heavy manual the receipts in the sugarcane state.

Summary of the invention

Task of the present utility model is the above-mentioned shortcoming of cutting head that will overcome existing cane harvester, provides a kind of structure simpler, and the sugarcane bar cuts off, carries light, stable performance, and the lower cane harvester tool of cost cut head.

Task of the present utility model is finished like this: it comprises that frame and a pair of sugarcane bar cut off cutting disc, the two ends of disk cutter shaft are bearing in the middle front part of frame with bearing, article two, the disk cutter shaft is outer is all supporting a hollow tube axle with bearing, article two, to be respectively arranged with two length outward identical for the tube axle, pitch is identical, rotation direction is opposite, the initiating terminal symmetry, overlapping at least 2 centimetres and draw close approaching of edge, the helical blade that external diameter is littler at least 5 centimetres than the external diameter of cutting disc, article two, the tube axle also is equipped with at least one elastic plectrum or coaxial elastic dialing roller that is provided with vertically outward respectively, article two, the elastic plectrum outside the tube axle is symmetrical mutually according to the symmetrical centre of two axles, gear or sprocket wheel are equipped with in the cutter shaft upper end, gear or sprocket wheel also are equipped with in the upper end of tube axle, the rotation direction of two disk cutter shafts is opposite, and tube axle is identical with the rotation direction of the cutter shaft of suit wherein.

For reducing and preventing that the sugarcane leaf is wrapped on tube axle, helical blade, elastic plectrum or the elastic dialing roller, two axles outside or outside on the frame of front side, vertically be fixed with row's wire brush respectively, the bristle external part of two row's wire brushes contacts with the edge of two helical blades and elastic plectrum or elastic dialing roller respectively or is approaching.

When road clearance on grain header walking chassis hour, for making the sugarcane bar that is broken apart by chopping by cutting disc, can successfully enter sugarcane bar transfer passage or stripping leaf device that cane harvester cuts a back, a slope guide plate can be set in the back of two axles, or be provided with one with power drive, the horizontal guide wheel of axle center level, or slope guide plate adds the combination of guide wheel.

When the road clearance on grain header walking chassis is big, for making the sugarcane bar that is broken apart by chopping by cutting disc, can more successfully enter sugarcane bar transfer passage or stripping leaf device that cane harvester cuts a back, can be provided with in the back of two axles two low early and high after tilting, the longitudinal section is an oblong, planar annular parallel annular carrier chain, the planar annular of two ring-shaped conveying chains is a vertical plane, fixed interval has cross bar on two ring-shaped conveying chains, the straight flange back, front side of two ring-shaped conveying chains is fixed with a low early and high after tilting slope guide plate, the front side straight flange of ring-shaped conveying chain by low lower end to high last end motion, the rear side straight flange of ring-shaped conveying chain by high upper end to low following end motion.

When the road clearance on grain header walking chassis is big, also can be provided with in the back of two axles one low early and high after tilting, have cross bar, the longitudinal section is oblong cycloconveyor belt, the front side straight flange of cycloconveyor belt by low lower end to high last end motion, the rear side straight flange of cycloconveyor belt by high upper end to low following end motion.

Break apart by chopping the sugarcane bar for cutting disc can be close to the ground, a slide plate that contacts with ground can be set below frame, the front end and the frame of slide plate are hinged, and the rear end of slide plate is connected with the lower end of a damper on being fixed on frame.

Will cut the sugarcane strain that the Buddhist monk does not cut for ease of separating, and, in the front portion of frame the wedge shape of stretching out, have relocatable subsides ground tip triangular spade will be installed forward also and divide sugar cane supporter also in order to prop up the sugarcane strain of lodging.

Because the utility model is close mutually with two groups, the overlapping cutting disc in edge cuts off the sugarcane bar, symmetrical mutually with two, the overlapping helical blade in edge promotes the sugarcane bar, plectrum (this machine adopts radially four) or group roller with two axle external symmetrys are carried the sugarcane bar, thereby can make the cut-out of sugarcane bar, promoting with carrying backward waits three operations to accomplish without any letup, and can be smooth, enter apace in follow-up sugarcane bar transfer passage or the stripping leaf device, and the sugarcane bar that breaks apart by chopping broken end is smooth, the no big trouble breach of opening, the root that stays in the ground does not have the big trouble breach of opening yet, the fracture plane earth, the sugarcane grower is very satisfied; And this machine is simple in structure, compact, and volume is little, and required power is few, and work is more steady, and performance is more stable, and particularly cost is lower, is fit to very much sugarcane grower's purchase and use.

Description of drawings

Fig. 1 is the structural representation of an embodiment of the utility model.Fig. 2 is the cutaway view along A-A line among Fig. 1.Fig. 3 be two disk cutter shafts and tube axle and going up helical blade, plectrum and the sprocket wheel etc. installed along B among Fig. 1 to looking enlarged drawing.Fig. 4 is disk cutter shaft and the supporting structure simplified schematic diagram that is sleeved on its outer hollow cylinder axle.Fig. 5 is the schematic diagram that is equipped with on the tube axle with the coaxial elastic dialing roller of helical blade.Fig. 6 is mounted in the transmission schematic diagram of sprocket wheel of the axle head of two disk cutter shafts or tube axle.

Embodiment

With reference to accompanying

drawing

1,2,3 and Fig. 4,, (see clearly by Fig. 4 is easier with bearing 2 at the middle front part of frame 1.Bearing block is fixed on the frame 1) supporting left and right two disk cutter shafts 3,4.The lower end of

disk cutter shaft

3,4 is fixed with the

cutting disc

5,6 of a band saw tooth respectively.The external diameter of two

cutting dives

5,6 is identical.Outside at two

disk cutter shafts

3,4 is being supported a

hollow tube axle

8,9 respectively with bearing 7.The frame of

tube axle

8,9 fronts has the opening that allows the sugarcane bar enter.In the outside of two

tube axles

8,9, be respectively arranged with two

helical blades

10,11, in order to promote the sugarcane bar that has been cut off by cutting disc 5,6.The axial length of two

helical blades

10,11 is identical, pitch is identical, (helical blade 10 on the left side tube axle 8 is left-hand screws to the rotation direction of spiral on the contrary, helical blade 11 on the right tube axle 9 is right-hand screws), the position symmetry of the

initiating terminal

12,13 of two

helical blades

10,11, the overlapping 2-5 in edge of two

helical blades

10,11 centimetre and draw close near (be brought to will state of contact).Can see that from Fig. 3 no matter where two helical blades forward to, the following blade face of left-hand screw blade 10 rides over above the last blade face of right-hand screw blade 11 all the time, the overlapping 2-5 in edge centimetre, and be brought to will state of contact at overlapping edge.The external diameter of two

helical blades

10,11 is than the little 5-7 of external diameter centimetre of cutting disc 5,6.Be fixed with 4 elastic plectrums 14 that are provided with vertically outside the tube axle 8, also be fixed with 4 elastic plectrums 15 that are provided with vertically outside the tube axle 9,

elastic plectrum

14,15 on two axles is according to the symmetrical center line of two axles symmetry mutually, in order to the sugarcane bar that is cut off by cutting

disc

5,6 is dragged, and be transported in follow-up sugarcane bar transfer passage or the stripping leaf device.

Elastic plectrum

14,15 can have certain degree of hardness and flexible material is made with hard rubber sheet, rubber duck band or with rubber conveyer belt of husky line, nylon wire interlayer etc.Like this, when two tube axles forwarded suitable position to, two

plectrums

14,15 were adjacent to each other and relative just, so that the sugarcane bar cramp is tightly also dialled rearward.Also can on each axle, replace elastic plectrum as shown in Figure 5 with an elastic dialing roller 16 coaxial with promoting helical

blade.Sprocket wheel

17,18 is equipped with in the upper end of two cutter shafts 3,4.From Fig. 6, can see,

sprocket wheel

17,18 drives by drive sprocket 19 and chain 20, sprocket wheel 17 must rotate in the counterclockwise direction, sprocket wheel 18 must be rotated in a clockwise direction (shown in the arrow among the figure), thereby, left side cutting disc 5 rotates in the counterclockwise direction, and right cutting disc 6 is rotated in a clockwise direction.The similar of two

sprocket wheels

17,18 on the type of drive of

sprocket wheel

21,22, two

sprocket wheels

21,22 and the cutter shaft also is equipped with in the upper end of two axles 8,9.Sprocket wheel 21 rotates in the counterclockwise direction, and sprocket wheel 22 is rotated in a clockwise direction.Thereby, tube axle 8 and on helical blade 10 and elastic plectrum 14, also rotation in the counterclockwise direction; Tube axle 9 and on helical blade 11 and elastic plectrum 15, also be rotated in a clockwise direction (shown in the arrow among Fig. 3).Tube axle is identical with the rotation direction of the cutter shaft of suit wherein, but slower than blade axis rotary speed.Follow-up sugarcane bar transfer passage (be used for sugarcane and cut down machine) or stripping leaf device (being used for sugarcane combine) can be arranged at the rear of two

axles

8,9.

Can see by Fig. 1 and Fig. 2,, outside left and right two

axles

8,9, on the frame 1 of front side, also vertically be fixed with row's

wire brush

23,24 respectively for reducing and preventing that the sugarcane leaf is wrapped on tube axle, helical blade, elastic plectrum or the elastic dialing roller.The helical blade 10 on the bristle external part of left bank wire brush 23 and the left-hand cylinder axle 8 and the edge of elastic plectrum 14 contact or are approaching; The helical blade 11 on the bristle external part of right row's wire brush 24 and the right tube spools 9 and the edge of elastic plectrum 15 contact or are approaching.Can see also that by Fig. 1 and Fig. 2 it is oblong, planar annular parallel annular carrier chain 25,26 that two low early and high after tilting, longitudinal sections are set in the back of two axles 8,9.The planar annular of two ring-shaped conveying chains is vertical plane (promptly parallel with the figure paper).Fixed interval has cross bar 27 on two ring-shaped conveying chains 25,26.Front side straight flange 28 back of two ring-shaped conveying chains 25,26 are fixed with a low early and high after tilting slope guide plate 29, the front side straight flange 28 of ring-shaped conveying chain by low lower end to high last end motion, the rear side straight flange 30 of ring-shaped conveying chain by high upper end to low following end motion.These parts are used for grain header walking bigger occasion of chassis road clearance, and it can be lifted to certain height with the sugarcane pole-footing end that is broken apart by chopping by cutting disc, make it more successfully to enter sugarcane bar transfer passage or the stripping leaf device that cane harvester cuts a back.For preventing that sugarcane pole-footing end from wandering off, on the top of two ring-shaped conveying chains 25,26 and cross bar 27 and inboard slightly, be provided with left and right two side shields 31,32 at planar annular.

Break apart by chopping the sugarcane bar for the cutting disc that originally cuts head can be close to the ground, a slide plate that contacts with ground 33 can be set below frame 1.The front end of slide plate 33 and frame 1 are hinged, and the rear end is connected with a lower end that is fixed on the damper on the frame 1.With being fixed on the shifting block of the vertical rod upper end of slide plate 33 rear ends, place between two travel switches, and the magnetic valve that the hydraulic jack of a lifting is cut in two travel switches and control is connected, so just can guarantee that cutting disc unsteady the advancing that can be close to the ground all the time cut sugarcane.For two travel switches are not moved by false touch, the rear end of slide plate is connected with the lower end that the upper end is fixed on the damper on the frame.

Will cut the sugarcane strain that the Buddhist monk does not cut for ease of separating, also, in the front portion of frame 1 left and right two groups of wedge shapes of stretching out, having flat bar 34, brace 35, loop bar 36 and subsides ground tip triangle footwear 37 forward are installed also and divide sugar cane supporter 38 in order to prop up the sugarcane strain of lodging.The rear portion of the front end of flat bar 34 and triangle footwear 37 is hinged, the lower hinge of rear end and frame 1 front.The front end sleeve of brace 35 in loop bar 36, the upper articulation of rear end and frame 1 front.The outside that the middle part of the front end of loop bar 36 and triangle footwear 37 is hinged, the rear end is enclosed within the front end of brace 35.Also be hinged with an outer brace (not drawing among the figure) on the triangle footwear 37.Like this, triangle footwear 37 can float with pasting, and its tip can be picked up the sugarcane strain of lodging, set upright by loop bar and brace, and outer brace can be dialled the sugarcane strain of still not cutting to the next door.

When receiving sugarcane, along with grain header moves ahead, wedge shape divides sugar cane supporter 38 that the sugarcane bar of lodging is propped up, before sugarcane strain bar portion is pushed to by the tranverse connecting rod 40 on the cross tube 39 of frame 1 front or the branch sugar cane supporter 38, sugarcane strain root enters the blade of two

cutting dives

5,6 and is cut off, spiral slide is gone up by initiating

terminal

12,13 holders of two

helical blades

10,11 by sugarcane pole-footing portion then, and is being carried secretly motion backward by two

elastic plectrums

14,15, enters follow-up sugarcane bar transfer passage or stripping leaf device; Or by the cross bar 27 and the slope guide plate 29 of fixed interval on two ring-shaped conveying chains 25,26, with the lifting of sugarcane pole-footing portion, be directed to the certain altitude of high chassis grain header, in the sugarcane bar transfer passage or stripping leaf device that enter a follow-up high position.

Claims

1. a cane harvester cuts head, comprise that frame (1) and a pair of sugarcane bar cut off cutting disc (5,6), it is characterized in that: disk cutter shaft (3,4) two ends are bearing in the middle front part of frame (1) with bearing (2), article two, disk cutter shaft (3,4) the outer bearing (7) of all using is supporting a hollow tube axle (8,9), article two, tube axle (8,9) it is identical to be respectively arranged with two length outside, pitch is identical, rotation direction is opposite, the initiating terminal symmetry, overlapping at least 2 centimetres and draw close approaching of edge, external diameter is than cutting disc (5,6) helical blade (10 that external diameter is little at least 5 centimetres, 11), article two, tube axle (8,9) outer at least one elastic plectrum (14 that is provided with vertically that also is equipped with respectively, 15) or a coaxial elastic dialing roller (16), article two, tube axle (8,9) Wai elastic plectrum (14,15) according to two axles (8,9) symmetrical centre is symmetry mutually, cutter shaft (3,4) gear or sprocket wheel (17 are equipped with in the upper end, 18), tube axle (8,9) gear or sprocket wheel (21 also are equipped with in upper end, 22), two disk cutter shafts (3,4) rotation direction is opposite, tube axle (8,9) with the cutter shaft (3 of suit wherein, 4) rotation direction is identical.

2. by the head that cuts of the described cane harvester of claim 1, it is characterized in that: two tube axles (8,9) outsides or outside on the frame (1) of front side, vertically be fixed with row's wire brush (23,24) respectively, the bristle external part of two row's wire brushes (23,24) contacts with the edge of two helical blades (10,11) and elastic plectrum (14,15) or elastic dialing roller (16) respectively or is approaching.

3. by the head that cuts of claim 1 or 2 described cane harvesters, it is characterized in that: at two axles (8,9) back have two low early and high after tilting, be fixed with cross bar (27) on it, the longitudinal section is an oblong, planar annular parallel annular carrier chain (25,26), two ring-shaped conveying chains (25,26) planar annular is a vertical plane, front side straight flange (28) back of two ring-shaped conveying chains is fixed with a low early and high after tilting slope guide plate (29), the front side straight flange (28) of ring-shaped conveying chain by low lower end to high last end motion, the rear side straight flange (30) of ring-shaped conveying chain by high upper end to low following end motion.

4. by the head that cuts of claim 1 or 2 described cane harvesters, it is characterized in that: have in the back of two axles one low early and high after tilting, have cross bar, the longitudinal section is oblong cycloconveyor belt, the front side straight flange of cycloconveyor belt by low lower end to high last end motion, the rear side straight flange of cycloconveyor belt by high upper end to low following end motion.

5. by the head that cuts of the described cane harvester of claim 3, it is characterized in that: below frame (1), be provided with a slide plate that contacts with ground (33), the front end of slide plate (33) and frame (1) are hinged, and the rear end of slide plate (33) is connected with the lower end of a damper on being fixed on frame (1).

6. by the head that cuts of the described cane harvester of claim 4, it is characterized in that: below frame (1), be provided with a slide plate that contacts with ground (33), the front end of slide plate (33) and frame (1) are hinged, and the rear end of slide plate (33) is connected with the lower end of a damper on being fixed on frame (1).