CN115119616B - Header of rice harvester - Google Patents
Header of rice harvester Download PDFInfo
- Publication number
- CN115119616B CN115119616B CN202210901909.9A CN202210901909A CN115119616B CN 115119616 B CN115119616 B CN 115119616B CN 202210901909 A CN202210901909 A CN 202210901909A CN 115119616 B CN115119616 B CN 115119616B
- Authority
- CN
- China
- Prior art keywords
- reel
- support
- auger
- bracket
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 42
- 235000009566 rice Nutrition 0.000 title claims abstract description 42
- 240000007594 Oryza sativa Species 0.000 title 1
- 230000005540 biological transmission Effects 0.000 claims abstract description 134
- 241000209094 Oryza Species 0.000 claims abstract description 41
- 238000003306 harvesting Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000009471 action Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 235000013339 cereals Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion 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
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
Abstract
The invention relates to a harvesting table of a rice harvester, which comprises a middle support, a left support and a right support, wherein the left support and the right support are hinged to the left side and the right side of the middle support; a right reel transmission structure for 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 left auger transmission structure which is mutually inserted and rotationally matched in the left-right direction is arranged between the right end of the left auger and the left end of the middle auger; a right side auger transmission structure which is mutually inserted and rotated in the left-right direction is arranged between the left end of the right side auger and the right end of the middle auger. The invention solves the technical problem that the harvesting efficiency of rice is affected due to the limited width of the header limited by transportation in the prior art.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a header of a regenerative rice harvester for harvesting rice.
Background
The regenerative rice is a rice planting mode which enables the cut rice stubble to continuously sprout to form ears and harvest again through special cultivation management measures, has the advantages of two harvest, labor and seed saving, full utilization of light temperature resources, grain and income increase realization, good rice quality and the like, and has important significance for improving the total yield of grains in China and guaranteeing the safety of grains in China. In order to improve the yield of the regenerative season of the ratoons, the stubble of the first-season harvested ratoons in the middle and downstream regions of the Yangtze river in China is generally 350-500 mm.
At present, the harvesting of the rice in the first season has two modes of manual harvesting and mechanical harvesting, the manual harvesting has almost no damage to rice stubble and basically has no influence on the yield of the rice in the second season, but the manual harvesting has large workload, occupies a large amount of agricultural labor force and has low working efficiency. Therefore, in the environment allowed by corresponding to some conditions, the rice harvester is used for harvesting the ratoons, and the harvesting efficiency can be greatly improved.
The utility model provides a rice harvester among the prior art includes the frame that has running gear, and the front end of frame is connected with the header, and the header includes the header support, is provided with the cutterbar of arranging along left and right directions on the header support, is provided with the reel that the axis of rotation extends along left and right directions on the header support in the upside of cutterbar, rotates the ear of grain auger that is equipped with the axis of rotation and extends along left and right directions in the rear side of reel on the header support.
When the rice harvester is used, the reel is used for pulling the upper end of rice into the ear conveying auger, the cutter is used for cutting the rice stems, and the ear conveying auger is used for conveying the rice ears backwards. The existing cutting table has the technical problems that: the width of the header determines the total amount of harvesting per round of the harvester, however, due to transportation limitations, the header width cannot be made too wide, which can affect the harvesting efficiency of rice.
Disclosure of Invention
The invention aims to provide a header of a rice harvester, which aims to solve the technical problem that the harvesting efficiency of rice is affected due to limited header width limited by transportation in the prior art.
In order to solve the technical problems, the technical scheme of the header of the rice harvester in the invention is as follows:
the utility model provides a reaping table of a rice harvester, which comprises a cutting table support, wherein a cutter, a reel and an ear conveying auger are arranged on the cutting table support, the cutting table support comprises a middle support, a left support and a right support which are hinged on the left side and the right side of the middle support, the hinge axes of the left support and the right support extend along the front-back direction, the cutter comprises a middle cutter fixed on the middle support, a left cutter fixed on the left support and a right cutter fixed on the right support, the ear conveying auger comprises a middle auger which is rotationally assembled on the middle support, a left auger which is rotationally assembled on the left support and a right auger which is rotationally assembled on the right support, a torque input end which is used for being in transmission connection with the reaping machine is arranged on the middle auger, the reel comprises a middle reel rotatably assembled on a middle bracket, a left reel rotatably assembled on a left bracket and a right reel rotatably assembled on a 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, a left bracket driving mechanism for driving the left bracket to rotate around the hinge axis of the left bracket is arranged on the middle bracket, a right bracket driving mechanism for driving the right bracket to rotate around the hinge axis of the right bracket is also arranged on the middle bracket, and a left reel transmission structure for mutually inserting and rotating 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 for mutually inserting, stopping and rotating in the left-right direction is arranged between the left end of the right reel and the right end of the middle reel; a left auger transmission structure for mutually inserting and rotating in the left-right direction is arranged between the right end of the left auger and the left end of the middle auger; a right side auger transmission structure which is used for mutually inserting, stopping and rotating in the left-right direction and matched with the right end of the middle auger is arranged between the left end of the right side auger and the right end of the middle auger.
The beneficial effects of the invention are as follows: in the invention, a left side bracket, a left side cutter, a left side reel and a left side auger form a left side cutting table, a middle bracket, a middle cutter, a middle reel and a middle auger form a middle cutting table, a right side bracket, a right side cutter, a right side reel and a right side auger form a right side cutting table, the cutting table in the prior art is divided into three, and when the left cutting table and the right cutting table are rotated to the upper side of the middle cutting table in the transportation process, the whole width of the cutting table is reduced, and the transportation is convenient; when rice is harvested on site, the left cutting table is rotated to the left side of the middle cutting table, the right cutting table is rotated to the right side of the middle cutting table, the left reel and the middle reel are driven by a transmission structure between the reels, the right reel and the middle reel are driven by a transmission structure between the reels, the left auger and the middle auger are driven by a transmission structure between the augers, and the right auger and the middle auger are driven by a transmission structure between the augers. The power of the harvester is transmitted to the middle auger through the torque input end, the middle auger rotates with the left auger and the right auger, the left auger rotates with the left reel, the right auger rotates with the right reel, and the left reel and the right reel rotate together with the middle reel, so that the effective transmission of the power is realized, and the smooth harvesting of rice is realized.
Further, 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.
Further, the harvesting table of the 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 bolts.
Further, under the driving action of the left support driving mechanism, the left support is provided with a left cutting table working position which rotates to the left side of the middle support so that the left reel and the left auger are respectively connected with the left ends of the middle reel and the middle auger in a coaxial transmission way, and the left support is also provided with a left cutting table retracting position which rotates to the right upper side of the left end of the middle support; under the driving action of the right side support driving mechanism, the right side support is provided with a right side cutting table working position which rotates to the right side of the middle support so that the right side reel and the right side auger are respectively connected with the right end of the middle reel and the right end of the middle auger in a coaxial line transmission manner, and the right side support is also provided with a right side cutting table retracting position which rotates to the right side right upper side of the right end of the middle support.
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 at the left side and the right side of the bottom of the middle support rear plate, 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, a left support right end plate is fixed at 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 two ends of the left auger are rotatably assembled on the left support left end plate and the left support right end plate; the right side support includes right side support back plate, and the bottom left side of right side support back plate is fixed with right side support left end board, and the right-hand member of right side support back plate is fixed with right side support right end board, and the both ends of right side auger have rotate the assembly in right side support left end board and right side support right end board upper right side auger axle, and left side auger transmission structure sets up between middle auger axle left end and left side auger axle right-hand member, and right side auger transmission structure sets up between middle auger axle and right side auger axle right-hand member.
Further, the transmission structure between the left side augers and the transmission structure between the right side augers are telescopic poking finger structures.
Further, the left side and the right side of the upper end of the rear plate of the middle support are respectively fixed with a left cantilever of the middle support and a right cantilever of the middle support, which extend downwards gradually from back to front, the middle reel comprises a middle reel shaft, the two ends of which are respectively and rotatably assembled on the left cantilever of the middle support and the right cantilever of the middle support, a left end plate of the middle reel and a right end plate of the middle reel are fixed on the reel shaft between the left cantilever of the middle support and the right cantilever of the middle support, a plurality of middle reel reels cross bars which are circumferentially and alternately arranged are fixed between the left end plate of the middle reel and the right end plate of the middle reel, and the lengths of the middle reel reels cross bars extend along the left-right direction; the left side and the right side of the upper end of the left support rear plate are respectively fixed with a left support left cantilever and a left support right cantilever which gradually extend downwards from back to front, the left reel comprises left reel shafts with two ends respectively assembled on the left support left cantilever and the left support right cantilever in a rotating way, a left reel left end plate and a left reel right end plate are fixed on the left reel shafts between the left support left cantilever and the left support right cantilever, a plurality of left reel cross bars which are arranged at intervals along the circumferential direction are fixed between the left reel left end plate and the left reel right end plate, and the lengths of the left reel cross bars extend along the left-right direction; the left side and the right side 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 the back to the front, the right side reel comprises right reel shafts which are respectively assembled on the right side support left cantilever and the right side support right cantilever in a rotating way, a right reel left end plate and a right reel right end plate are fixed on the right reel shafts between the right side support left cantilever and the right side support right cantilever, a plurality of right reel cross rods which are arranged at intervals along the circumferential direction are fixed between the right reel left end plate and the right reel right end plate, and the length of each right reel cross rod extends along the left-right direction.
Further, 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 further comprises a left transmission bulge which is fixed on the upper side of the right end surface of the left reel shaft and used for rotating along with the left bracket from top to bottom to the left transmission groove; 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 used for rotating along with the right support from top to bottom into the right transmission groove.
Further, when the left side support is positioned at the left side cutting table retracting position, the end face of the left side support rear plate is propped against the upper end face of the left end of the middle support rear plate, and a left side concave-convex positioning structure in concave-convex positioning matching in the up-down direction is arranged between the upper end face of the left end of the middle support rear plate and the left side support rear plate; when the right side support is located the right side header and packs up the position, the terminal surface of right side support back plate is supported on the up end of middle part support back plate right-hand member, is provided with the concave-convex location structure of the concave-convex location complex in upper and lower direction between the up end of middle part support back plate right-hand member and the right side support back plate.
Further, the left bracket driving mechanism comprises a left hydraulic cylinder which is arranged at the upper end of the middle bracket rear plate and extends along the left-right direction, a piston rod of the left hydraulic cylinder is connected with a left transmission rack, the left bracket driving mechanism also comprises a left driving gear which is coaxially arranged with the hinging axis of the left bracket, 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 bracket rear plate; the right side support actuating mechanism is including setting up in the right side pneumatic cylinder that the axis of middle part support back plate upper end extends along left and right directions, is connected with right side drive rack on the piston rod of right side pneumatic cylinder, and right side support actuating mechanism still includes the right side drive gear who sets up with the articulated axis coaxial line of right side support, right side drive gear and right side drive rack interlock transmission, is fixed with right swing board on the gear shaft of right side drive gear, and the lower extreme and the right side support back plate of right swing board link to each other.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with 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 view showing a state in which a left stand is in a left header working position and a right stand is in a right header working position in an embodiment of a rice harvester header according to the present 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 showing a state in which a left stand is in a left stand retracted position and a right stand is in a right stand retracted position in an embodiment of a rice harvester stand according to the present invention;
FIG. 6 is a schematic view of the left and right brackets rotating from the working position to the stowed position;
fig. 7 is an enlarged view at a in fig. 3;
reference numerals illustrate: 1. a left cutting table; 2. a middle cutting table; 3. a right cutting table; 4. a left side bracket; 5. a middle bracket; 6. a right side bracket; 7. a left side bracket back 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 side driving gear; 17. a left swing plate; 18. a middle bracket back plate; 19. a middle reel; 20. a middle auger; 21. a middle cutter; 22. a left cantilever of the middle bracket; 23. a right cantilever of the middle bracket; 24. a right side bracket back plate; 25. a left cantilever of the right bracket; 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 side drive gear; 34. a right swing plate; 35. a left concave-convex positioning structure; 36. a right side concave-convex positioning structure; 37. a reel shaft on the left side; 38. a middle reel shaft; 39. a left transmission bulge; 40. a left transmission groove; 41. a left end plate of the left reel; 42. a left auger shaft; 43. a left reel cross bar; 44. a left reel driving belt wheel; 45. radial spokes of the left driving pulley; 46. a left counterweight adjustment block; 47. and a left side hinge structure.
Detailed Description
In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. 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.
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.
Embodiments of a header of a rice harvester according to the present invention are shown in fig. 1 to 7:
comprises a header bracket, a cutter, a reel and an ear 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 hinged on the left side and the right side of the middle bracket 5, the hinge 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 ear conveying auger comprises a middle auger 20 rotatably assembled on the middle bracket, a left auger 12 rotatably assembled on the left bracket and a right auger 29 rotatably assembled on the right bracket, a torque input end for driving connection with the harvester is arranged on the middle auger, the reel comprises a middle reel 19 rotatably assembled on a middle support, a left reel 11 rotatably assembled on a left support and a right reel 26 rotatably assembled on a right support, 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, a left support driving mechanism for driving the left support to rotate around the hinge axis of the left support is arranged on the middle support, a right support driving mechanism for driving the right support to rotate around the hinge axis of the right support is also arranged on the middle support, and a left reel transmission structure for mutual insertion and rotation prevention 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 for mutually inserting, stopping and rotating in the left-right direction is arranged between the left end of the right reel and the right end of the middle reel; a left auger transmission structure for mutually inserting and rotating in the left-right direction is arranged between the right end of the left auger and the left end of the middle auger; a right side auger transmission structure which is used for mutually inserting, stopping and rotating in the left-right direction and matched with the right end of the middle auger is arranged between the left end of the right side auger and the right end of the middle auger.
That is, in this embodiment, the left side support and the left side auger, the left side reel and the left side cutter on the left side support form the left side header 1, the middle support and the middle auger, the middle reel and the middle cutter on the middle support form the middle header 2, and the right side support and the right side auger, the right side reel and the right side cutter on the right side support form the right side header 3. The left cutting table and the right cutting table can be turned over relative to the middle cutting table.
In this embodiment, the right end top of the left side bracket is hinged to the middle bracket through a left side hinge structure 47, and the left end top of the right side bracket is hinged to the middle bracket through a right side hinge structure. The hinge axes of the left side bracket and the hinge axes of the right side bracket extend in the front-rear direction, which does not mean that the hinge axes of the left side bracket and the right side bracket are perpendicular to the left-right direction, and the front-rear and left-right are relative concepts, and the hinge axes of the left side bracket and the right side bracket and the left-right direction may intersect at a certain angle, for example, between 70 degrees and 90 degrees.
Under the driving action of the left support driving mechanism, the left support is provided with a left cutting table working position which rotates to the left side of the middle support so that the left reel and the left auger are respectively connected with the left ends of the middle reel and the middle auger in a coaxial line transmission manner, and the left support is also provided with a left cutting table retracting position which rotates to the right upper side of the left end of the middle support; under the driving action of the right side support driving mechanism, the right side support is provided with a right side cutting table working position which rotates to the right side of the middle support so that the right side reel and the right side auger are respectively connected with the right end of the middle reel and the right end of the middle auger in a coaxial line transmission manner, and the right side support is also provided with a right side cutting table retracting position which rotates to the right side right upper side of the right end of the middle support.
The middle support comprises a middle support rear plate 18, a middle support left end plate and a middle support right end plate are respectively fixed at the left side and the right side of the bottom of the middle support rear plate 18, middle auger shafts which are rotatably assembled on the middle support left end plate and the middle support right end plate are arranged at the two ends of the middle auger, the left support comprises a left support rear plate 7, a left support right end plate is fixed at 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 42 is rotatably assembled on the left support left end plate and the left support right end plate at the two ends of the left auger 12; the right side support includes right side support back plate 24, and the bottom left side of right side support back plate 24 is fixed with right side support left end board, and the right-hand member of right side support back plate is fixed with right side support right end board, and the both ends of right side auger have to rotate the assembly in right side support left end board and right side auger axle on the right side support right end board, and left side auger transmission structure sets up between middle part auger axle left end and left side auger axle right-hand member, and right side auger transmission structure sets up between middle part auger axle and right side auger axle right-hand member.
The transmission structure between the left side augers and the transmission structure between the right side augers are telescopic poking finger structures, and the telescopic poking finger structures belong to the prior art, and are not described in detail herein, when the left side augers are turned downwards to be coaxial with the middle auger, the power of the middle auger can be transmitted to the left side augers through the telescopic poking finger structures of the transmission structure between the left side augers; 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 finger structure of the transmission structure between the right augers.
The left side and the right side of the upper end of the rear plate of the middle support are respectively fixed with a left cantilever 22 of the middle support and a right cantilever 23 of the middle support, which extend downwards gradually from back to front, the middle reel comprises a middle reel shaft, the two ends of which are respectively and rotatably assembled on the left cantilever of the middle support and the right cantilever of the middle support, a left end plate of the middle reel and a right end plate of the middle reel are fixed on the middle reel shaft between the left cantilever of the middle support and the right cantilever of the middle support, a plurality of reel cross bars which are circumferentially arranged at intervals are fixed between the left end plate of the middle reel and the right end plate of the middle reel, and the lengths of the reel cross bars extend along the left-right direction; the left side and the right side of the upper end of the left support rear plate are respectively fixed with a left support left cantilever 9 and a left support right cantilever 8 which gradually extend downwards from back to front, the left reel comprises left reel shafts 37 which are respectively assembled on the left support left cantilever and the left support right cantilever in a rotating way, a left reel left end plate and a left reel right end plate are fixed on the left reel shafts between the left support left cantilever and the left support right cantilever, a plurality of left reel cross rods 43 which are arranged at intervals along the circumferential direction are fixed between the left reel left end plate and the left reel right end plate, and the lengths of the left reel cross rods are arranged along the left-right direction in an extending way; the left side and the right side 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 the back to the front, the right side reel comprises right reel shafts which are respectively assembled on the right side support left cantilever and the right side support right cantilever in a rotating way, a right reel left end plate and a right reel right end plate are fixed on the right reel shafts between the right side support left cantilever and the right side support right cantilever, a plurality of right reel transverse rods which are arranged at intervals along the circumferential direction are fixed between the right reel left end plate and the right reel right end plate, and the length of each right reel transverse rod extends along the left-right direction.
The left reel-to-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 reel-to-reel transmission structure also comprises a left transmission protrusion 39 which is fixed on the upper side of the right end surface of the left reel shaft 37 and used for rotating along with the left bracket from top to bottom into the left transmission groove; 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 used for rotating along with the right support from top to bottom into the right transmission groove. When the left bracket rotates downwards to the left header working position, the left transmission bulge is 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 right side header working position, 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 power-input, and the middle reel can be ensured to obtain enough power.
When the left support is positioned at the left cutting table retracting position, the end face of the left support rear plate is propped against the upper end face of the left end of the middle support rear plate, and a left concave-convex positioning structure 35 which is in concave-convex positioning fit in the up-down direction is arranged between the upper end face of the left end of the middle support rear plate and the left support rear plate; when the right side support is located the right side header and packs up the position, the terminal surface of right side support back plate is supported on the up end of middle part support back plate right-hand member, is provided with the concave-convex location structure 36 of the concave-convex location complex in upper and lower direction between the up end of middle part support back plate right-hand member and the right side support back plate. Through the arrangement of the left concave-convex positioning structure and the right concave-convex positioning structure, when the left cutting table and the right cutting table are retracted, the placement of the left cutting table and the right cutting table is more stable.
The left bracket driving mechanism comprises a left hydraulic cylinder 14 which is arranged at the upper end of the middle bracket rear plate and extends along the left-right direction, a piston rod of the left hydraulic cylinder is connected with a left transmission rack 15, the left bracket driving mechanism also comprises a left driving gear 16 which is coaxially arranged with the hinging axis of the left bracket, 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 bracket rear plate; the right side support driving mechanism comprises a right side hydraulic cylinder 31 which is arranged at the upper end of the middle support rear plate and extends along the left-right direction, a right side transmission rack 32 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 33 which is coaxially arranged with the hinging axis of the right side support, the right side driving gear is meshed with the right side transmission rack for transmission, a right side swinging plate 34 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. When the left transmission rack extends leftwards, the left bracket swings upwards around the hinge axis of the left bracket; when the right drive rack extends to the right, the right bracket swings upward about its hinge axis.
When the left side bracket rotates to the left side cutting table working position and the right side bracket rotates to the right side cutting table working position, in order to ensure the integrity of the connection of the left side cutting table, the right side cutting table and the middle cutting table, the cutting table of the rice harvester also comprises a left side connecting plate which is connected between the left end of the middle cutter and the left side 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 bolts. When harvesting is finished, the left connecting plate and the right connecting plate can be removed.
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 driving pulley 44 through at least three radial spokes 45 of the left driving pulley which are radially arranged with the left reel shaft as the center, a left auger shaft pulley is fixed on the left auger shaft 42, and the left reel driving pulley is in transmission connection with the left auger shaft pulley through a left driving belt 10. The diameter of the left reel driving belt wheel is larger than that of the left auger shaft belt wheel.
The right end of the right reel shaft is connected with a right reel driving belt wheel through at least three radial spokes of the right driving belt wheel which are radially arranged with the right reel shaft as a center, a right auger shaft belt wheel is fixed on the right auger shaft, and the right reel driving belt wheel is connected with the right auger shaft belt wheel through a right driving belt. The diameter of the right reel driving belt wheel is larger than that of the right auger shaft belt wheel.
In the embodiment, left counterweight adjusting blocks 46 are assembled on radial spokes of each left driving pulley in a guiding and moving way; the radial spokes of each right driving belt are provided with right counterweight adjusting blocks in a guiding and moving way.
In this embodiment, six radial spokes are provided for the left driving pulley, and six radial spokes are provided for the right driving pulley.
The transmission structure between the left side augers and the transmission structure between the right side augers can also adopt the same structure as the transmission structure between the left reel and the transmission structure between the right reel, namely, the transmission between the middle auger and the left side augers and the right side augers is realized by matching the transmission groove and the transmission bulge.
When the rice is required to be harvested on the harvesting site, the left side bracket driving mechanism drives the left side bracket to downwards rotate to the left side cutting table working position, the right side bracket driving mechanism drives the right side bracket to downwards rotate to the right side cutting table working position, and if the transmission groove does not correspond to the transmission bulge in the process of downwards rotating the left side bracket and the right side bracket, an operator can rotate the left reel and the right reel through hands so that the left transmission groove corresponds to the left transmission bulge, and the right transmission groove corresponds to the right transmission bulge.
When the left side bracket is positioned at the left side header working position and the right side bracket is positioned at the right side header working position, each left reel cross rod on the left reel each middle reel cross rod and right reel on the middle reel the reel crossbars at the right side on the reel are respectively corresponding. Namely a left reel cross rod in the invention middle reel cross bar and right side five reel cross bars are respectively arranged, each left reel cross rod is connected with the corresponding middle reel cross rod the right reel cross rod is coaxially arranged.
When harvesting rice, the power of the harvester is transmitted to the middle auger, the power is transmitted to the left auger and the right auger by the middle auger, the power is transmitted to the left reel by the left auger, the power is transmitted to the right reel by the right auger, and the power is transmitted to the middle reel by the left reel and the right reel. In the rotation process of the left reel and the right reel, each left counterweight adjusting block is thrown to the outer end corresponding to the radial spoke of the left driving pulley under the centrifugal action, each right counterweight adjusting block is thrown to the outer end corresponding to the radial spoke of the right driving pulley under the centrifugal action, and the left reel driving pulley and the right reel driving pulley are in a balanced working state.
When the rice is harvested, the left side bracket rotates upwards gradually to the left side header stowing station, the right side bracket rotates upwards gradually to the right side header stowing station, if the counterweight adjusting block does not act during rotation, when the left side bracket is completely positioned at the left side header stowing station, the left reel cross bar at the lower position is collided with the middle reel cross bar at the upper position and commonly called as a 'frame', and in the invention, due to the existence of the left counterweight adjusting block, in the process of upwards swinging of the left reel, the corresponding left counterweight adjusting blocks can slide along radial spokes of the left driving belt pulley, so that the position of the left counterweight adjusting block on the radial spokes of the left driving belt pulley is changed, the left reel driving belt pulley rotates with the left reel, and the left reel cross rod with the lower position are staggered in the left-right direction, namely, the front part and the rear part, so that the problem of damage to the reel cross rod caused by collision is avoided, and the space in the up-down direction of the equipment can be saved; the right counterweight adjusting block can avoid collision between the right reel cross bar positioned at the lower position and the middle reel cross bar positioned at the upper position.
In the foregoing description of the present specification, the terms "fixed," "mounted," "connected," or "connected" are to be construed broadly, unless explicitly stated or limited otherwise. For example, in terms of the term "coupled," it may be fixedly coupled, detachably coupled, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other. Therefore, unless otherwise specifically defined in the specification, a person skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific circumstances.
Those skilled in the art will also appreciate from the foregoing description that terms such as "upper," "lower," "front," "rear," "left," "right," "length," "width," "thickness," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," "center," "longitudinal," "transverse," "clockwise," or "counterclockwise" and the like are used herein for the purpose of facilitating description and simplifying the description of the present invention, and thus do not necessarily have to have, configure, or operate in, the specific orientations, and thus are not to be construed or construed as limiting the present invention.
In addition, the terms "first" or "second" and the like used in the present specification to refer to the numbers or ordinal numbers are used 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 defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless explicitly defined otherwise.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a rice harvester header, includes the header support, is provided with cutterbar, reel and defeated ear auger on the header support, its characterized in that: 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 hinge 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, 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 left end of the left auger, the left end of the left reel is rotationally assembled on the right bracket, a left reel is rotationally connected with the left end of the left auger, a left reel is rotationally arranged on the middle bracket and is in transmission connection with the left end of the left reel, a left reel is rotationally arranged on the left bracket and a right reel, and a reel is rotationally arranged between the left reel and right reel is in the middle bracket; a right reel transmission structure for mutually inserting, stopping and rotating in the left-right direction is arranged between the left end of the right reel and the right end of the middle reel; a left auger transmission structure for mutually inserting and rotating in the left-right direction is arranged between the right end of the left auger and the left end of the middle auger; a right auger transmission structure for mutually inserting and rotating in the left-right direction is arranged between the left end of the right auger and the right end of the middle auger, and 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, 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 a right side support driving mechanism, a right side support is provided with a right side header working position which rotates to the right side of a middle support so that a right side reel and a right side auger are respectively connected with the right end of the middle reel and the right end of the middle auger in a coaxial line transmission manner, the right side support is also provided with a right side header retraction position which rotates to the right upper side of the right end of the middle support, the middle support comprises a middle support rear plate, the left side and the right side of the bottom of the middle support rear plate are respectively fixed with a middle support left end plate and a middle support right end plate, two ends of the middle auger are provided with middle auger shafts which are rotationally assembled on the middle support left end plate and the middle support right end plate, the left side support comprises a left side support rear plate, the bottom right side of the left side support rear plate is fixedly provided with a left side support left end plate, and the left side auger shafts of which are rotationally assembled on the left side support left end plate and the left side support right end plate; the right side support comprises a right side support rear plate, a right side support left end plate is fixed at the left side of the bottom of the right side support rear plate, a right side support right end plate is fixed at the right end of the right side support rear plate, two ends of the right side auger are provided with middle reel shafts which are rotatably assembled on the right side support left end plate and the right side support right end plate, a left side auger transmission structure is arranged between the left end of the middle reel shaft and the right end of the left side auger shaft, a right side auger transmission structure is arranged between the middle reel shaft and the right end of the right side auger shaft, the left side auger transmission structure and the right side auger transmission structure are of telescopic reel structures, a middle support left cantilever and a middle support right cantilever which extend downwards from back to front are respectively fixed at the left side and the right side of the upper end of the middle support rear plate, a middle reel comprises a middle reel axle, a middle reel left end plate and a middle reel right end plate are respectively fixed between the middle support left cantilever and the middle support right cantilever, and a plurality of reel left end plates are respectively arranged along the length direction of the middle reel left end plates and the middle reel left end plates are respectively arranged along the length direction; the left side and the right side of the upper end of the left support rear plate are respectively fixed with a left support left cantilever and a left support right cantilever which gradually extend downwards from back to front, the left reel comprises left reel shafts with two ends respectively assembled on the left support left cantilever and the left support right cantilever in a rotating way, a left reel left end plate and a left reel right end plate are fixed on the left reel shafts between the left support left cantilever and the left support right cantilever, a plurality of left reel cross bars which are arranged at intervals along the circumferential direction are fixed between the left reel left end plate and the left reel right end plate, and the lengths of the left reel cross bars extend along the left-right direction; the left and right sides of the upper end of the rear plate of the right support are respectively fixed with a left cantilever of the right support and a right cantilever of the right support, which extend downwards gradually from back to front, the right reel comprises a right reel shaft, the two ends of which are respectively and rotatably assembled on the left cantilever of the right support and the right cantilever of the right support, a right reel left end plate and a right reel right end plate are fixed on the right reel shaft between the left cantilever of the right support and the right cantilever of the right support, a plurality of right reel cross bars which are circumferentially arranged at intervals are fixed between the left end plate of the right reel and the right end plate of the right reel, the length of each right reel transverse rod extends along the left-right direction, 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 used for rotating along with the left bracket from top to bottom into the left transmission groove; 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 used for rotating along with the right support from top to bottom into the right transmission groove.
2. The rice harvester header of claim 1, wherein: the harvesting table of the 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 bolts.
3. The rice harvester header of claim 1, wherein: when the left support is positioned at the left cutting table stowing position, the end face of the left support back plate is propped against the upper end face of the left end of the middle support back plate, and a left concave-convex positioning structure in concave-convex positioning fit in the up-down direction is arranged between the upper end face of the left end of the middle support back plate and the left support back plate; when the right side support is located the right side header and packs up the position, the terminal surface of right side support back plate is supported on the up end of middle part support back plate right-hand member, is provided with the concave-convex location structure of the concave-convex location complex in upper and lower direction between the up end of middle part support back plate right-hand member and the right side support back plate.
4. A rice harvester header as in claim 3 wherein: the left support driving mechanism comprises a left hydraulic cylinder which is arranged at the upper end of the middle support rear plate and 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 which is 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 in the right side pneumatic cylinder that the axis of middle part support back plate upper end extends along left and right directions, is connected with right side drive rack on the piston rod of right side pneumatic cylinder, and right side support actuating mechanism still includes the right side drive gear who sets up with the articulated axis coaxial line of right side support, right side drive gear and right side drive rack interlock transmission, is fixed with right swing board on the gear shaft of right side drive gear, and the lower extreme and the right side support back plate of right swing board link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210901909.9A CN115119616B (en) | 2022-07-29 | 2022-07-29 | Header of rice harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210901909.9A CN115119616B (en) | 2022-07-29 | 2022-07-29 | Header of rice harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115119616A CN115119616A (en) | 2022-09-30 |
| CN115119616B true CN115119616B (en) | 2024-02-13 |
Family
ID=83385871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210901909.9A Active CN115119616B (en) | 2022-07-29 | 2022-07-29 | Header of rice harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115119616B (en) |
Citations (8)
| 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 |
-
2022
- 2022-07-29 CN CN202210901909.9A patent/CN115119616B/en active Active
Patent Citations (8)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115119616A (en) | 2022-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4922699A (en) | Farm machines with a jointed toolholding frame | |
| US5179822A (en) | Agricultural machine with a cutterbar driven by a pair of generally vertical drive shafts | |
| CN217790401U (en) | Header of rice harvester | |
| CN201088028Y (en) | Straw laying maize harvester | |
| CN115119616B (en) | Header of rice harvester | |
| CN216930906U (en) | Ear harvesting header and corn harvester | |
| CN103380678A (en) | Corn harvester header | |
| CN203279531U (en) | Standing grain pulling mechanism of corn harvester | |
| WO2021051971A1 (en) | Cutting platform | |
| CN216960820U (en) | A reaping apparatus for mung bean is planted | |
| CN214206434U (en) | Feeding mechanism for lodging corn of corn header | |
| CN108207303B (en) | Maize harvesting machine | |
| CN208191340U (en) | A kind of grain straw crushes vibration damping, the noise reduction transmission mechanism of harvester | |
| CN212344531U (en) | Cutting modulation device of self-propelled rotary mowing modulation machine | |
| CN213991712U (en) | Maize picker assembly rotor | |
| CN101828465A (en) | Longitudinal toggling mechanism of rape cutter-rower | |
| CN216775520U (en) | Corn kernel header | |
| CN218417388U (en) | Double-cutter field returning machine | |
| CN201238477Y (en) | Transmission gear of corn harvester for conveying fruit ear | |
| CN220875122U (en) | Adjustable transmission mechanism of returning machine | |
| CN215530063U (en) | Harvesting device of corn silage harvester | |
| CN215301595U (en) | Returning transmission device of corn harvester | |
| CN220545502U (en) | Header of rice harvester | |
| CN212544634U (en) | Straw crushing device of grain harvester | |
| CN216163576U (en) | Straw cutting device of combine harvester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |