CN115119616A - Header of ratoon rice harvester - Google Patents
Header of ratoon rice harvester Download PDFInfo
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- CN115119616A CN115119616A CN202210901909.9A CN202210901909A CN115119616A CN 115119616 A CN115119616 A CN 115119616A CN 202210901909 A CN202210901909 A CN 202210901909A CN 115119616 A CN115119616 A CN 115119616A
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- reel
- bracket
- support
- auger
- header
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 51
- 235000009566 rice Nutrition 0.000 title claims abstract description 51
- 240000007594 Oryza sativa Species 0.000 title 1
- 230000005540 biological transmission Effects 0.000 claims abstract description 154
- 241000209094 Oryza Species 0.000 claims abstract description 50
- 238000012856 packing Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000003306 harvesting Methods 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 235000013339 cereals Nutrition 0.000 claims description 4
- 238000009340 sequential cropping Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 2
- 208000037805 labour Diseases 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/04—Harvesting of standing crops of rice
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D47/00—Headers for topping of plants, e.g. stalks with ears
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
- A01D57/01—Devices for leading crops to the mowing apparatus
- A01D57/02—Devices for leading crops to the mowing apparatus using reels
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
Abstract
The invention relates to a header of a ratooning rice harvester, wherein a header bracket comprises a middle bracket, a left bracket and a right bracket which are hinged on the left side and the right side of the middle bracket, the middle bracket is provided with a left bracket driving mechanism and a right bracket driving mechanism, and a left reel transmission structure which is used for rotating and matching in the left-right direction is arranged between the right end of a left reel and the left end of a middle reel; a right reel transmission structure used for stopping rotation in the left-right direction is arranged between the left end of the right reel and the right end of the middle reel; a transmission structure between the left packing augers is arranged between the right end of the left packing auger and the left end of the middle packing auger, and the transmission structure is mutually inserted and matched with the left packing auger in a rotation stopping way in the left-right direction; and a transmission structure between the right packing augers is arranged between the left end of the right packing auger and the right end of the middle packing auger, and the right packing augers are mutually inserted and matched in a rotation stopping manner in the left-right direction. The invention solves the technical problem that the width of the header is limited by transportation to influence the rice harvesting efficiency in the prior art.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a header of a ratoon rice harvester for harvesting rice.
Background
The regenerated rice is a rice planting mode which enables the cut rice stubbles to continuously germinate and grow into ears through special cultivation management measures and harvest the rice again, has the advantages of double harvest, labor and seed saving, full utilization of light temperature resources, realization of grain increment and yield increment, good rice quality and the like, and has important significance for improving the total grain yield of China and guaranteeing the national grain safety. In order to improve the yield of the ratooning rice in the first season, the stubble of the ratooning rice harvested in the first season in the middle and lower reaches of Yangtze river in China is generally 350-500 mm.
The harvest of present regeneration first season has two kinds of modes of manual harvesting and mechanical harvesting, and manual harvesting almost has not destroyed the rice stubble, does not basically have the influence to regeneration season output, but manual harvesting work load is big, has taken up a large amount of agricultural labours, and work efficiency is low. Therefore, the rice harvester is adopted to harvest the regenerated rice in the environment which is allowed by some conditions, and the harvesting efficiency can be greatly improved.
The rice harvester in the prior art comprises a frame with a traveling mechanism, wherein a header is connected to the front end of the frame and comprises a header bracket, cutters arranged along the left and right directions are arranged on the header bracket, reel wheels with rotation axes extending along the left and right directions are arranged on the upper sides of the cutters on the header bracket, and ear conveying augers with rotation axes extending along the left and right directions are rotatably assembled on the rear sides of the reel wheels on the header bracket.
When the rice stem harvester is used, the reel is used for shifting the upper end of rice to the ear conveying auger, the cutter is used for cutting the rice stem, and the ear conveying auger is used for conveying the rice ears backwards. The technical problem that this kind of header exists now lies in: the width of the header determines the total harvesting amount of each round of the harvester, however, due to the transportation limitation, the width of the header cannot be too wide, which affects the harvesting efficiency of rice.
Disclosure of Invention
The invention aims to provide a header of a ratoon rice harvester, which aims to solve the technical problem that the width of the header is limited by transportation to influence the rice harvesting efficiency in the prior art.
In order to solve the technical problems, the technical scheme of the header of the ratoon rice harvester is as follows:
a header of a ratoon rice harvester comprises a header bracket, wherein a cutter, a reel and a spike conveying auger are arranged on the header bracket, the header bracket comprises a middle bracket, a left bracket and a right bracket which are hinged on the left side and the right side of the middle bracket, the hinged axes of the left bracket and the right bracket extend along the front-back direction, the cutter comprises a middle cutter fixed on the middle bracket, a left cutter fixed on the left bracket and a right cutter fixed on the right bracket, the spike conveying auger comprises a middle auger rotationally assembled on the middle bracket, a left auger rotationally assembled on the left bracket and a right auger rotationally assembled on the right bracket, a torque input end used for being in transmission connection with the harvester is arranged on the middle auger, the reel comprises a middle reel rotationally assembled on the middle bracket, a left reel rotationally assembled on the left bracket and a right reel rotationally assembled on the right bracket, the right end of the right reel is in transmission connection with the right end of the right auger, the left end of the left reel is in transmission connection with the left end of the left auger, the middle bracket is provided with a left bracket driving mechanism for driving the left bracket to rotate around the hinge axis of the left bracket, the middle bracket is also provided with a right bracket driving mechanism for driving the right bracket to rotate around the hinge axis of the right bracket, and a left reel transmission structure which is used for being mutually inserted and rotation-stopped matched in the left-right direction is arranged between the right end of the left reel and the left end of the middle reel; a right reel transmission structure which is used for being mutually inserted and in rotation stopping fit in the left-right direction is arranged between the left end of the right reel and the right end of the middle reel; a transmission structure between the left packing augers is arranged between the right end of the left packing auger and the left end of the middle packing auger, and is used for being mutually inserted and matched with each other in a rotation stopping way in the left-right direction; and a transmission structure between the right packing augers, which are used for being mutually inserted and in rotation stopping fit in the left and right directions, is arranged between the left end of the right packing auger and the right end of the middle packing auger.
The beneficial effects of the invention are as follows: according to the invention, a left side header is formed by a left side bracket, a left side cutter, a left side reel and a left side auger, a middle header is formed by a middle bracket, a middle cutter, a middle reel and a middle auger, and a right side header is formed by a right side bracket, a right side cutter, a right side reel and a right side auger; when rice is harvested on site, the left header is rotated to the left side of the middle header, the right header is rotated to the right side of the middle header, the left reel and the middle reel are driven by a transmission structure between reel wheels, the right reel and the middle reel are driven by a transmission structure between reel wheels, the left auger and the middle auger are driven by a left auger transmission structure, and the right auger and the middle auger are driven by a right auger transmission structure. The power of the harvester is transmitted to the middle auger through the torque input end, the middle auger drives the left auger and the right auger to rotate, the left auger drives the left reel to rotate, the right auger drives the right reel to rotate, and the left reel and the right reel drive the middle reel to rotate together, so that the power is effectively transmitted, and the rice is harvested smoothly.
Furthermore, the right end of the right reel is in transmission connection with the right end of the auger through a right transmission belt; the left end of the left reel is in transmission connection with the left end of the left auger through a left transmission belt.
Furthermore, the header of the ratoon rice harvester also comprises a left connecting plate which is connected between the left end of the middle cutter and the left cutter through a bolt; the rice harvester also comprises a right connecting plate which is connected between the right end of the middle cutter and the right cutter through bolts.
Furthermore, under the driving action of the left side support driving mechanism, the left side support is provided with a left side header working position which rotates to the left side of the middle support so that the left side reel and the left side auger are respectively in coaxial transmission connection with the left ends of the middle reel and the middle auger, and the left side support is also provided with a left side header retracting position which rotates to the right upper side of the left end of the middle support; under the driving action of the right bracket driving mechanism, the right bracket is provided with a right header working position which rotates to the right side of the middle bracket so that the right reel and the right auger are respectively in coaxial transmission connection with the middle reel and the right end of the middle auger, and the right bracket is also provided with a right header retracting position which rotates to the right upper side of the right end of the middle bracket.
Further, the middle support comprises a middle support rear plate, a middle support left end plate and a middle support right end plate are respectively fixed on the left side and the right side of the bottom of the middle support rear plate, a middle auger shaft rotatably assembled on the middle support left end plate and the middle support right end plate is arranged at two ends of the middle auger, the left support comprises a left support rear plate, a left support right end plate is fixed on the right side of the bottom of the left support rear plate, a left support left end plate is fixed at the left end of the left support rear plate, and a left auger shaft with two ends rotatably assembled on the left support left end plate and the left support right end plate is arranged on the left auger; the right side support includes the right side support back plate, the bottom left side of right side support back plate is fixed with the right side support left end board, the right-hand member of right side support back plate is fixed with the right side support right end board, the both ends of right side auger have the right side auger axle of rotation assembly on right side support left end board and right side support right end board, transmission structure sets up between middle part auger axle left end and left side auger axle right-hand member between the auger of left side, transmission structure sets up between middle part auger axle and right side auger axle right-hand member between the auger of right side.
Furthermore, the transmission structure between the packing augers on the left side and the transmission structure between the packing augers on the right side are both telescopic shifting finger structures.
Furthermore, a middle support left cantilever and a middle support right cantilever which gradually extend downwards from back to front are respectively fixed on the left side and the right side of the upper end of the middle support rear plate, the middle reel comprises a middle reel shaft with two ends respectively rotatably assembled on the middle support left cantilever and the middle support right cantilever, a middle reel left end plate and a middle reel right end plate are fixed on the middle reel shaft between the middle support left cantilever and the middle support right cantilever, a plurality of middle reel transverse rods which are circumferentially arranged at intervals are fixed between the middle reel left end plate and the middle reel right end plate, and the length of each middle reel transverse rod extends along the left-right direction; a left bracket left cantilever and a left bracket right cantilever which gradually extend downwards from back to front are respectively fixed on the left side and the right side of the upper end of the left bracket rear plate, the left reel comprises a left reel shaft with two ends respectively rotatably assembled on the left bracket left cantilever and the left bracket right cantilever, a left reel left end plate and a left reel right end plate are fixed on the left reel shaft between the left bracket left cantilever and the left bracket right cantilever, a plurality of left reel transverse rods which are circumferentially arranged at intervals are fixed between the left reel left end plate and the left reel right end plate, and the length of each left reel transverse rod is extended along the left-right direction; the left and right sides of the upper end of the right side support rear plate are respectively fixed with a right side support left cantilever and a right side support right cantilever which gradually extend downwards from back to front, the right side reel comprises a right side reel shaft with two ends respectively rotatably assembled on the right side support left cantilever and the right side support right cantilever, a right side reel left end plate and a right side reel right end plate are fixed on the right side reel shaft between the right side support left cantilever and the right side support right cantilever, a plurality of right side reel transverse rods which are arranged at intervals along the circumferential direction are fixed between the right side reel left end plate and the right side reel right end plate, and the length of each right side reel transverse rod is arranged in a left-right direction in an extending mode.
Furthermore, the left reel transmission structure comprises a left transmission groove arranged on the outer peripheral surface of the upper side of the left end of the middle reel shaft, the left transmission groove extends to the left end surface of the middle reel shaft, and the left reel transmission structure also comprises a left transmission bulge which is fixed on the upper side of the right end surface of the left reel shaft and is used for rotating into the left transmission groove from top to bottom along with the left support; the right reel transmission structure comprises a right transmission groove arranged on the outer peripheral surface of the upper side of the right end of the middle reel shaft, the right transmission groove extends to the right end surface of the middle reel shaft, and the right reel transmission structure further comprises a right transmission bulge which is fixed on the upper side of the left end surface of the right reel shaft and is used for rotating to the right transmission groove from top to bottom along with the right support.
Furthermore, when the left side support is positioned at the retracting position of the left header, the end surface of the rear plate of the left side support abuts against the upper end surface of the left end of the rear plate of the middle support, and a left concave-convex positioning structure which is matched with the rear plate of the left side support in a concave-convex positioning manner in the vertical direction is arranged between the upper end surface of the left end of the rear plate of the middle support and the rear plate of the left side support; when the right side support is located the position is packed up to the right side header, the terminal surface top of right side support backplate is supported on the up end of middle part support backplate right-hand member, is provided with the unsmooth location structure in the unsmooth location fit's in upper and lower direction right side between the up end of middle part support backplate right-hand member and the right side support backplate.
Furthermore, the left support driving mechanism comprises a left hydraulic cylinder arranged at the upper end of the middle support rear plate, the axis of the left hydraulic cylinder extends along the left-right direction, a piston rod of the left hydraulic cylinder is connected with a left transmission rack, the left support driving mechanism also comprises a left driving gear coaxially arranged with the hinge axis of the left support, the left driving gear is meshed with the left transmission rack for transmission, a left swinging plate is fixed on a gear shaft of the left driving gear, and the lower end of the left swinging plate is connected with the left support rear plate; the right side support actuating mechanism is including setting up the right side pneumatic cylinder that extends along the left and right directions in the axis of middle part support back plate upper end, be connected with right side transmission rack on the piston rod of right side pneumatic cylinder, right side support actuating mechanism still includes the right side drive gear that sets up with the articulated axis coaxial line of right side support, right side drive gear and right side transmission rack interlock transmission, be fixed with the right side swing board on right side drive gear's the gear shaft, the lower extreme and the right side support back plate of right side swing board link to each other.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to like or corresponding parts and in which:
fig. 1 is a schematic diagram of a state of a left side bracket in a left side header working position and a state of a right side bracket in a right side header working position in an embodiment of a header of a ratoon rice harvester of the invention;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a side view of FIG. 2;
fig. 5 is a schematic view of a header of a ratooning rice harvester according to an embodiment of the present invention, wherein the left side bracket is in a left header stowed position and the right side bracket is in a right header stowed position;
FIG. 6 is a schematic view of the left and right brackets rotating from the working position to the retracted position;
FIG. 7 is an enlarged view taken at A in FIG. 3;
description of the reference numerals: 1. a left header; 2. a middle header; 3. a right header; 4. a left side bracket; 5. a middle support; 6. a right side bracket; 7. a left side bracket rear plate; 8. a left bracket right cantilever; 9. a left cantilever of the left bracket; 10. a left side transmission belt; 11. a reel on the left side; 12. a left auger; 13. a left cutter; 14. a left hydraulic cylinder; 15. a left side transmission rack; 16. a left drive gear; 17. a left swing plate; 18. a middle support back plate; 19. a middle reel; 20. a middle auger; 21. a middle cutter; 22. a middle support left cantilever; 23. a middle bracket right cantilever; 24. a right side bracket back plate; 25. a right side bracket left cantilever; 26. a right reel; 27. a right cantilever of the right bracket; 28. a right side transmission belt; 29. a right auger; 30. a right cutter; 31. a right hydraulic cylinder; 32. a right side transmission rack; 33. a right drive gear; 34. a right swing plate; 35. a left concave-convex positioning structure; 36. a right concave-convex positioning structure; 37. a reel shaft on the left side; 38. a reel shaft in the middle; 39. a left side drive boss; 40. a left side transmission groove; 41. a left end plate of the left reel; 42. a left auger shaft; 43. a reel transverse rod on the left side; 44. a left reel transmission belt wheel; 45. a left side drive pulley radial spoke; 46. a left counterweight adjusting block; 47. a left side hinge structure; 48. a reel transverse rod in the middle.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The embodiment of the header of the ratoon rice harvester is shown in figures 1-7:
comprises a header bracket, a cutter, a reel wheel and a spike conveying auger are arranged on the header bracket, the header bracket comprises a middle bracket 5, a left bracket 4 and a right bracket 6 which are hinged on the left side and the right side of the middle bracket 5, the hinged axes of the left bracket 4 and the right bracket 6 extend along the front-back direction, the cutter comprises a middle cutter 21 fixed on the middle bracket, a left cutter 13 fixed on the left bracket and a right cutter 30 fixed on the right bracket, the spike conveying auger comprises a middle auger 20 rotationally assembled on the middle bracket, a left auger 12 rotationally assembled on the left bracket and a right auger 29 rotationally assembled on the right bracket, a torque input end for being in transmission connection with a harvester is arranged on the middle auger, the reel wheel comprises a middle reel wheel 19 rotationally assembled on the middle bracket, a left reel wheel 11 rotationally assembled on the left bracket and a right reel wheel 26 rotationally assembled on the right bracket, the right end of the right reel 26 is in transmission connection with the right end of the right auger, the left end of the left reel is in transmission connection with the left end of the left auger, the middle bracket is provided with a left bracket driving mechanism for driving the left bracket to rotate around the hinge axis of the left bracket, the middle bracket is also provided with a right bracket driving mechanism for driving the right bracket to rotate around the hinge axis of the right bracket, and a left reel transmission structure which is used for mutually inserting and stopping rotation in the left-right direction is arranged between the right end of the left reel and the left end of the middle reel; a right reel transmission structure which is used for being mutually inserted and in rotation stopping fit in the left-right direction is arranged between the left end of the right reel and the right end of the middle reel; a transmission structure between the left packing augers is arranged between the right end of the left packing auger and the left end of the middle packing auger, and is used for being mutually inserted and matched with each other in a rotation stopping way in the left-right direction; and a transmission structure between the right packing augers, which are used for being mutually inserted and in rotation stopping fit in the left and right directions, is arranged between the left end of the right packing auger and the right end of the middle packing auger.
That is to say, in this embodiment, the left side auger, the left side reel and the left side cutter on the left side support and the left side support constitute the left side header 1, the middle auger, the middle reel and the middle cutter on the middle support and the middle support constitute the middle header 2, and the right side auger, the right side reel and the right side cutter on the right side support and the right side support constitute the right side header 3. The left header and the right header can be overturned relative to the middle header.
In this embodiment, the right-hand member top of left side support links to each other with the middle part support is articulated through left side hinge structure 47, and the left end top of right side support links to each other with the middle part support is articulated through right side hinge structure. The hinge axis of the left bracket and the hinge axis of the right bracket extend in the front-back direction, which does not mean that the hinge axes of the left bracket and the right bracket are perpendicular to the left-right direction, the front-back direction and the left-right direction are relative concepts, and the hinge axes of the left bracket and the right bracket can intersect with the left-right direction at a certain angle, for example, between 70 and 90 degrees.
Under the driving action of the left bracket driving mechanism, the left bracket is provided with a left header working position which rotates to the left side of the middle bracket so that the left reel and the left auger are respectively in coaxial transmission connection with the left ends of the middle reel and the middle auger, and the left bracket is also provided with a left header retracting position which rotates to the right upper side of the left end of the middle bracket; under the driving action of the right bracket driving mechanism, the right bracket is provided with a right header working position which rotates to the right side of the middle bracket so that the right reel and the right auger are respectively in coaxial transmission connection with the middle reel and the right end of the middle auger, and the right bracket is also provided with a right header retracting position which rotates to the right upper side of the right end of the middle bracket.
The middle support comprises a middle support rear plate 18, the left side and the right side of the bottom of the middle support rear plate 18 are respectively fixed with a middle support left end plate and a middle support right end plate, the two ends of the middle auger are provided with middle auger shafts which are rotatably assembled on the middle support left end plate and the middle support right end plate, the left support comprises a left support rear plate 7, the right side of the bottom of the left support rear plate is fixed with a left support right end plate, the left end of the left support rear plate is fixed with a left support left end plate, and the left auger 12 is provided with a left auger shaft 42 of which the two ends are rotatably assembled on the left support left end plate and the left support right end plate; the right side support comprises a right side support rear plate 24, a right side support left end plate is fixed on the left side of the bottom of the right side support rear plate 24, a right side support right end plate is fixed on the right end of the right side support rear plate, two ends of a right side auger are provided with right side auger shafts which are rotatably assembled on the right side support left end plate and the right side support right end plate, a transmission structure between the left side auger is arranged between the left end of the middle auger shaft and the right end of the left side auger shaft, and a transmission structure between the right side auger is arranged between the middle auger shaft and the right end of the right side auger shaft.
The left auger transmission structure and the right auger transmission structure are both telescopic finger-shifting structures, the telescopic finger-shifting structures belong to the prior art, and are not detailed herein, when the left auger is turned downwards to be coaxial with the middle auger, the power of the middle auger can be transmitted to the left auger through the telescopic finger-shifting structures of the left auger transmission structure; when the right auger is turned downwards to be coaxial with the middle auger, the power of the middle auger can be transmitted to the right auger through the telescopic shifting finger structure of the transmission structure between the right augers.
A middle bracket left cantilever 22 and a middle bracket right cantilever 23 which gradually extend downwards from back to front are respectively fixed on the left side and the right side of the upper end of the middle bracket rear plate, the middle reel comprises a middle reel shaft with two ends respectively rotatably assembled on the middle bracket left cantilever and the middle bracket right cantilever, a middle reel left end plate and a middle reel right end plate are fixed on the middle reel shaft between the middle bracket left cantilever and the middle bracket right cantilever, a plurality of middle reel transverse rods which are circumferentially arranged at intervals are fixed between the middle reel left end plate and the middle reel right end plate, and the length of each middle reel transverse rod 48 extends along the left-right direction; a left bracket left cantilever 9 and a left bracket right cantilever 8 which gradually extend downwards from back to front are respectively fixed on the left side and the right side of the upper end of the left bracket rear plate, the left reel comprises a left reel shaft 37 with two ends respectively rotatably assembled on the left bracket left cantilever and the left bracket right cantilever, a left reel left end plate and a left reel right end plate are fixed on the left reel shaft between the left bracket left cantilever and the left bracket right cantilever, a plurality of left reel transverse rods 43 which are circumferentially arranged at intervals are fixed between the left reel left end plate and the left reel right end plate, and the length of each left reel transverse rod extends along the left-right direction; the left and right sides of the upper end of the right side support rear plate are respectively fixed with a right side support left cantilever 25 and a right side support right cantilever 27 which gradually extend downwards from back to front, the right side reel comprises a right side reel shaft with two ends respectively rotatably assembled on the right side support left cantilever and the right side support right cantilever, a right side reel left end plate and a right side reel right end plate are fixed on the right side reel shaft between the right side support left cantilever and the right side support right cantilever, a plurality of right side reel transverse rods which are circumferentially arranged at intervals are fixed between the right side reel left end plate and the right side reel right end plate, and the length of each right side reel transverse rod is extended along the left and right directions.
The left inter-reel transmission structure comprises a left transmission groove 40 arranged on the outer peripheral surface of the upper side of the left end of the middle reel shaft, the left transmission groove 40 extends to the left end surface of the middle reel shaft 38, and the left inter-reel transmission structure also comprises a left transmission bulge 39 which is fixed on the upper side of the right end surface of the left reel shaft 37 and is used for rotating into the left transmission groove from top to bottom along with the left bracket; the right reel transmission structure comprises a right transmission groove arranged on the outer peripheral surface of the upper side of the right end of the middle reel shaft, the right transmission groove extends to the right end surface of the middle reel shaft, and the right reel transmission structure further comprises a right transmission bulge which is fixed on the upper side of the left end surface of the right reel shaft and is used for rotating to the right transmission groove from top to bottom along with the right support. When the left bracket rotates downwards to the working position of the left header, the left transmission bulge can be clamped into the left transmission groove from top to bottom, so that the power of the left reel can be transmitted to the middle reel; when the right side support rotates downwards to the working position of the right side header, the right side transmission bulge can be clamped into the right side transmission groove from top to bottom, so that the power of the right side reel can be transmitted to the middle reel, the two ends of the middle reel are synchronously input with the power, and the middle reel can obtain enough power.
When the left side support is positioned at the retracting position of the left header, the end surface of the rear plate of the left side support abuts against the upper end surface of the left end of the rear plate of the middle support, and a left side concave-convex positioning structure 35 which is matched with the rear plate of the left side support in a concave-convex positioning manner in the up-down direction is arranged between the upper end surface of the left end of the rear plate of the middle support and the rear plate of the left side support; when the right side support is located at the right side header packing position, the end face of the right side support rear plate is abutted against the upper end face of the right end of the middle support rear plate, and a right side concave-convex positioning structure 36 which is matched with the concave-convex positioning in the up-down direction is arranged between the upper end face of the right end of the middle support rear plate and the right side support rear plate. Through the setting of the unsmooth location structure in left side, the unsmooth location structure in right side for when left side header, right side header were packed up, left side header, placing of right side header are more stable.
The left support driving mechanism comprises a left hydraulic cylinder 14 which is arranged at the upper end of the middle support rear plate and the axis of which extends along the left-right direction, a piston rod of the left hydraulic cylinder is connected with a left transmission rack 15, the left support driving mechanism also comprises a left driving gear 16 which is coaxially arranged with the hinge axis of the left support, the left driving gear 16 is meshed with the left transmission rack 15 for transmission, a left swinging plate 17 is fixed on a gear shaft of the left driving gear, and the lower end of the left swinging plate is connected with the left support rear plate; the right side support actuating mechanism is including setting up in the right side pneumatic cylinder 31 that the axis of middle part support back plate upper end extends along left right direction, is connected with right side transmission rack 32 on the piston rod of right side pneumatic cylinder, and right side support actuating mechanism still includes the right side drive gear 33 with the articulated axis coaxial line setting of right side support, and right side drive gear and right side transmission rack interlock transmission are fixed with right side swing board 34 on right side drive gear's the gear shaft, and the lower extreme of right side swing board links to each other with the right side support back plate. When the left transmission rack extends towards the left, the left bracket swings upwards around the hinge axis of the left bracket; when the right side transmission rack extends towards the right, the right side bracket swings upwards around the hinge axis of the right side bracket.
When the left bracket rotates to the working position of the left header and the right bracket rotates to the working position of the right header, in order to ensure the integrity of the connection of the left header and the right header with the middle header, the header of the ratoon rice harvester also comprises a left connecting plate which is connected between the left end of the middle cutter and the left cutter through bolts; the rice harvester also comprises a right connecting plate which is connected between the right end of the middle cutter and the right cutter through a bolt. When harvesting is finished, the left connecting plate and the right connecting plate can be detached.
The right end of the right reel is in transmission connection with the right end of the right auger through a right transmission belt 28; the left end of the left reel is in transmission connection with the left end of the left auger through a left transmission belt 10. Specifically, the left end of the left reel shaft is connected with a left reel transmission belt wheel 44 through at least three left transmission belt wheel radial spokes 45 which are radially arranged by taking the left reel shaft as the center, a left auger shaft belt wheel is fixed on the left auger shaft 42, and the left reel transmission belt wheel is in transmission connection with the left auger shaft belt wheel through a left transmission belt 10. The diameter of the transmission belt wheel of the reel at the left side is larger than that of the auger shaft belt wheel at the left side.
The right end of the right reel shaft is connected with a right reel driving belt wheel through at least three right driving belt wheel radial spokes which are radially arranged by taking the right reel shaft as the center, a right auger shaft belt wheel is fixed on the right auger shaft, and the right reel driving belt wheel is in transmission connection with the right auger shaft belt wheel through a right driving belt. The diameter of the right reel wheel transmission belt wheel is larger than that of the right auger shaft belt wheel.
In this embodiment, each left side driving pulley radial spoke is movably and guidingly equipped with a left side counterweight adjusting block 46; all the right side drive belt radial spokes are guided to move and are provided with right side counterweight adjusting blocks.
The radial spoke of the left driving belt wheel in the embodiment has six, and the radial spoke of the right driving belt wheel has six.
The transmission structure between the left packing augers and the transmission structure between the right packing augers can also adopt the structure the same as the transmission structure between the left reel and the transmission structure between the right reel, namely, the transmission of the middle packing auger and the left packing auger and the transmission of the right packing auger are realized through the matching of the transmission groove and the transmission bulge.
When reaping the scene, when needing to reap the rice, left side support actuating mechanism drive left side support rotates down to left side header work position, right side support actuating mechanism drive right side support rotates down to right side header work position, left side support, right side support pivoted in-process down, if the transmission groove does not correspond with the transmission arch on, operating personnel can rotate left side reel through the hand, right side reel, make left side transmission groove correspond with left side transmission arch on, make right side transmission groove correspond with right side transmission arch on.
When the left side support is positioned at the working position of the left header and the right side support is positioned at the working position of the right header, the left reel transverse rods on the left reel, the middle reel transverse rods on the middle reel and the right reel transverse rods on the right reel are respectively corresponding. Namely, five reel transverse rods of the left reel, the middle reel transverse rod of the middle reel and the right reel transverse rods of the right reel are respectively arranged, and each reel transverse rod of the left reel is coaxially arranged with the corresponding reel transverse rod of the middle reel and the corresponding reel transverse rod of the right reel.
When rice is harvested, the power of the harvester is transmitted to the middle auger, the middle auger transmits the power to the left auger and the right auger respectively, the left auger transmits the power to the left reel, the right auger transmits the power to the right reel, and the left reel and the right reel transmit the power to the middle reel again. In the rotating process of the left reel and the right reel, each left counterweight adjusting block is thrown to the outer end of the radial spoke of the corresponding left transmission belt wheel under the centrifugal action, each right counterweight adjusting block is thrown to the outer end of the radial spoke of the corresponding right transmission belt wheel under the centrifugal action, and the left reel transmission belt wheel and the right reel transmission belt wheel are in a balanced working state.
When rice is harvested, the left side support rotates upwards to gradually reach a left side header stowing station, the right side support rotates upwards to gradually reach a right side header stowing station, and in the rotating process, if the effect of the balance weight adjusting block is not provided, when the left side support is completely positioned in the left side header stowing station, the left side reel shifting cross rod positioned below the left side can collide with the middle reel shifting cross rod positioned above the left side, so the rice harvesting machine is commonly called as a 'beating frame'. Namely, the front part and the back part not only avoid the damage problem of the reel cross rod caused by collision, but also save the space of the device in the up-and-down direction; similarly, the existence of the right-side balance weight adjusting block can also avoid the collision between the right-side reel transverse rod which is positioned close to the lower part and the middle reel transverse rod which is positioned close to the upper part.
In the above description of the present specification, the terms "fixed," "mounted," "connected," or "connected," and the like, are to be construed broadly unless otherwise expressly specified or limited. For example, with the term "coupled", it can be fixed, removable, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other way by the interaction of two elements. Therefore, unless the specification explicitly defines otherwise, those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.
From the above description of the present specification, those skilled in the art will also understand the terms used below, terms indicating orientation or positional relationship such as "upper", "lower", "front", "rear", "left", "right", "length", "width", "thickness", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "central", "longitudinal", "transverse", "clockwise" or "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings of the present specification, it is used for convenience in explanation of the invention and for simplicity of description only, and does not explicitly or implicitly indicate that the device or element concerned must be of the particular orientation described, constructed and operated, therefore, the above terms of orientation or positional relationship should not be construed or interpreted as limiting the present invention.
In addition, the terms "first" or "second", etc. used in this specification are used to refer to numbers or ordinal terms for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present specification, "a plurality" means at least two, for example, two, three or more, and the like, unless specifically defined otherwise.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a ratoon rice harvester header, includes the header support, is provided with cutterbar, reel and defeated ear of grain auger on the header support, its characterized in that: the header bracket comprises a middle bracket, a left bracket and a right bracket hinged on the left side and the right side of the middle bracket, the hinged axes of the left bracket and the right bracket extend along the front-back direction, the cutter comprises a middle cutter fixed on the middle bracket, a left cutter fixed on the left bracket and a right cutter fixed on the right bracket, the ear-conveying auger comprises a middle auger rotationally assembled on the middle bracket, a left auger rotationally assembled on the left bracket and a right auger rotationally assembled on the right bracket, the middle auger is provided with a torque input end for being connected with the harvester in a transmission way, the reel comprises a middle reel rotationally assembled on the middle bracket, a left reel rotationally assembled on the left bracket and a right reel rotationally assembled on the right bracket, the right end of the right reel is connected with the right end of the right auger in a transmission way, the left end of the left reel is in transmission connection with the left end of the left auger, the middle bracket is provided with a left bracket driving mechanism for driving the left bracket to rotate around the hinge axis of the left bracket, the middle bracket is also provided with a right bracket driving mechanism for driving the right bracket to rotate around the hinge axis of the right bracket, and a left reel transmission structure which is used for being mutually inserted and in rotation stopping fit in the left-right direction is arranged between the right end of the left reel and the left end of the middle reel; a right reel transmission structure which is used for being mutually inserted and in rotation stopping fit in the left-right direction is arranged between the left end of the right reel and the right end of the middle reel; a transmission structure between the left packing augers is arranged between the right end of the left packing auger and the left end of the middle packing auger, and is used for being mutually inserted and matched with each other in a rotation stopping way in the left-right direction; and a transmission structure between the right packing augers, which are used for being mutually inserted and in rotation stopping fit in the left and right directions, is arranged between the left end of the right packing auger and the right end of the middle packing auger.
2. The ratoon rice harvester header of claim 1, wherein: the right end of the right reel is in transmission connection with the right end of the right auger through a right transmission belt; the left end of the left reel is in transmission connection with the left end of the left auger through a left transmission belt.
3. The ratoon rice harvester header of claim 1, wherein: the header of the ratoon rice harvester also comprises a left connecting plate which is connected between the left end of the middle cutter and the left cutter through a bolt; the rice harvester also comprises a right connecting plate which is connected between the right end of the middle cutter and the right cutter through bolts.
4. A harvesting header of a ratoon rice harvester according to any one of claims 1 to 3, characterized in that: under the driving action of the left bracket driving mechanism, the left bracket is provided with a left header working position which rotates to the left side of the middle bracket so that the left reel and the left auger are respectively in coaxial transmission connection with the left ends of the middle reel and the middle auger, and the left bracket is also provided with a left header retracting position which rotates to the right upper side of the left end of the middle bracket; under the driving action of the right bracket driving mechanism, the right bracket is provided with a right header working position which rotates to the right side of the middle bracket so that the right reel and the right auger are respectively in coaxial transmission connection with the middle reel and the right end of the middle auger, and the right bracket is also provided with a right header retracting position which rotates to the right upper side of the right end of the middle bracket.
5. The ratoon rice harvester header of claim 4, wherein: the middle support comprises a middle support rear plate, a middle support left end plate and a middle support right end plate are respectively fixed on the left side and the right side of the bottom of the middle support rear plate, a middle auger shaft rotatably assembled on the middle support left end plate and the middle support right end plate is arranged at two ends of a middle auger, the left support comprises a left support rear plate, a left support right end plate is fixed on the right side of the bottom of the left support rear plate, a left support left end plate is fixed at the left end of the left support rear plate, and a left auger is provided with two ends rotatably assembled on the left support left end plate and the left support right end plate; the right side support includes the right side support back plate, the bottom left side of right side support back plate is fixed with the right side support left end board, the right-hand member of right side support back plate is fixed with the right side support right end board, the both ends of right side auger have the right side auger axle of rotation assembly on right side support left end board and right side support right end board, transmission structure sets up between middle part auger axle left end and left side auger axle right-hand member between the auger of left side, transmission structure sets up between middle part auger axle and right side auger axle right-hand member between the auger of right side.
6. The ratoon rice harvester header of claim 5, wherein: the transmission structure between the left packing augers and the transmission structure between the right packing augers are both telescopic shifting finger structures.
7. A harvesting header for a ratoon rice harvester according to claim 5, wherein: a middle support left cantilever and a middle support right cantilever which gradually extend downwards from back to front are respectively fixed on the left side and the right side of the upper end of the middle support rear plate, a middle reel comprises a middle reel shaft with two ends respectively rotatably assembled on the middle support left cantilever and the middle support right cantilever, a middle reel left end plate and a middle reel right end plate are fixed on the middle reel shaft between the middle support left cantilever and the middle support right cantilever, a plurality of middle reel transverse rods which are circumferentially arranged at intervals are fixed between the middle reel left end plate and the middle reel right end plate, and the length of each middle reel transverse rod extends along the left-right direction; a left bracket left cantilever and a left bracket right cantilever which gradually extend downwards from back to front are respectively fixed on the left side and the right side of the upper end of the left bracket rear plate, the left reel comprises a left reel shaft with two ends respectively rotatably assembled on the left bracket left cantilever and the left bracket right cantilever, a left reel left end plate and a left reel right end plate are fixed on the left reel shaft between the left bracket left cantilever and the left bracket right cantilever, a plurality of left reel transverse rods which are circumferentially arranged at intervals are fixed between the left reel left end plate and the left reel right end plate, and the length of each left reel transverse rod is extended along the left-right direction; the left and right sides of the upper end of the right side support rear plate are respectively fixed with a right side support left cantilever and a right side support right cantilever which gradually extend downwards from back to front, the right side reel comprises a right side reel shaft with two ends respectively rotatably assembled on the right side support left cantilever and the right side support right cantilever, a right side reel left end plate and a right side reel right end plate are fixed on the right side reel shaft between the right side support left cantilever and the right side support right cantilever, a right side reel left end plate and a right side reel right end plate are fixed between the right side reel right end plates, a plurality of right side reel transverse rods which are circumferentially arranged at intervals, and the length of each right side reel transverse rod is extended along the left and right directions.
8. A rice header as claimed in claim 7, wherein: the left inter-reel transmission structure comprises a left transmission groove arranged on the outer peripheral surface of the upper side of the left end of the middle reel shaft, the left transmission groove extends to the left end surface of the middle reel shaft, and the left inter-reel transmission structure also comprises a left transmission bulge which is fixed on the upper side of the right end surface of the left reel shaft and is used for rotating into the left transmission groove from top to bottom along with the left support; the right reel transmission structure comprises a right transmission groove arranged on the outer peripheral surface of the upper side of the right end of the middle reel shaft, the right transmission groove extends to the right end surface of the middle reel shaft, and the right reel transmission structure further comprises a right transmission bulge which is fixed on the upper side of the left end surface of the right reel shaft and is used for rotating to the right transmission groove from top to bottom along with the right support.
9. A rice header as claimed in claim 7, wherein: when the left side bracket is positioned at the left side header folding position, the end surface of the rear plate of the left side bracket is propped against the upper end surface of the left end of the rear plate of the middle bracket, and a left side concave-convex positioning structure which is in concave-convex positioning fit in the vertical direction is arranged between the upper end surface of the left end of the rear plate of the middle bracket and the rear plate of the left side bracket; when the right side support is located the position is packed up to the right side header, the terminal surface top of right side support backplate is supported on the up end of middle part support backplate right-hand member, is provided with the unsmooth location structure in the unsmooth location fit's in upper and lower direction right side between the up end of middle part support backplate right-hand member and the right side support backplate.
10. A rice header as claimed in claim 7, wherein: the left support driving mechanism comprises a left hydraulic cylinder arranged at the upper end of the middle support rear plate and an axis extending along the left-right direction, a piston rod of the left hydraulic cylinder is connected with a left transmission rack, the left support driving mechanism also comprises a left driving gear coaxially arranged with the hinge axis of the left support, the left driving gear is meshed with the left transmission rack for transmission, a left swinging plate is fixed on a gear shaft of the left driving gear, and the lower end of the left swinging plate is connected with the left support rear plate; the right side support driving mechanism comprises a right side hydraulic cylinder arranged on the upper end of the middle support rear plate and extending along the left and right directions, a right side transmission rack is connected to a piston rod of the right side hydraulic cylinder, the right side support driving mechanism further comprises a right side driving gear coaxially arranged with the hinge axis of the right side support, the right side driving gear is in meshing transmission with the right side transmission rack, a right side swinging plate is fixed on a gear shaft of the right side driving gear, and the lower end of the right side swinging plate is connected with the right side support rear plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210901909.9A CN115119616B (en) | 2022-07-29 | 2022-07-29 | Header of rice harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210901909.9A CN115119616B (en) | 2022-07-29 | 2022-07-29 | Header of rice harvester |
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| CN115119616A true CN115119616A (en) | 2022-09-30 |
| CN115119616B CN115119616B (en) | 2024-02-13 |
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| CN105850350A (en) * | 2016-03-17 | 2016-08-17 | 郑宇虎 | Telescopic header of harvester |
| CN205491785U (en) * | 2016-03-17 | 2016-08-24 | 郑宇虎 | Telescopic harvester header |
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| CN211931425U (en) * | 2019-12-24 | 2020-11-17 | 郑宇虎 | Forced feeding header of folding corn combine harvester |
| CN113366974A (en) * | 2021-07-17 | 2021-09-10 | 河北英虎农业机械股份有限公司 | Header transmission system on maize |
| CN113519274A (en) * | 2021-07-30 | 2021-10-22 | 河北英虎农业机械股份有限公司 | Header of corn harvester capable of harvesting stems and ears |
| CN217790401U (en) * | 2022-07-29 | 2022-11-15 | 华中农业大学 | Header of rice harvester |
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2022
- 2022-07-29 CN CN202210901909.9A patent/CN115119616B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105850350A (en) * | 2016-03-17 | 2016-08-17 | 郑宇虎 | Telescopic header of harvester |
| CN205491785U (en) * | 2016-03-17 | 2016-08-24 | 郑宇虎 | Telescopic harvester header |
| CN108323313A (en) * | 2018-03-26 | 2018-07-27 | 郑宇虎 | A kind of flexible ceding of Taiwan of each section of cutter separate transmission combine harvester of three-stage |
| CN210432426U (en) * | 2019-03-23 | 2020-05-01 | 郑宇虎 | Harvester header is carried to belt |
| CN211931425U (en) * | 2019-12-24 | 2020-11-17 | 郑宇虎 | Forced feeding header of folding corn combine harvester |
| CN113366974A (en) * | 2021-07-17 | 2021-09-10 | 河北英虎农业机械股份有限公司 | Header transmission system on maize |
| CN113519274A (en) * | 2021-07-30 | 2021-10-22 | 河北英虎农业机械股份有限公司 | Header of corn harvester capable of harvesting stems and ears |
| CN217790401U (en) * | 2022-07-29 | 2022-11-15 | 华中农业大学 | Header of rice harvester |
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| CN115119616B (en) | 2024-02-13 |
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