CN216700978U - Horizontal middle laying and cutting and airing device for small coarse cereals crops - Google Patents
Horizontal middle laying and cutting and airing device for small coarse cereals crops Download PDFInfo
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- CN216700978U CN216700978U CN202220341621.6U CN202220341621U CN216700978U CN 216700978 U CN216700978 U CN 216700978U CN 202220341621 U CN202220341621 U CN 202220341621U CN 216700978 U CN216700978 U CN 216700978U
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Abstract
The utility model particularly relates to a horizontal middle laying, cutting and sunning device for small coarse cereal crops, which solves the problems that the labor intensity of manual cutting and sunning of buckwheat crops is high, plants are difficult to divide and plant seedlings are cut and sunned by a cutting and sunning machine, the cutting and sunning are easy to block, the seed loss rate is high, and the laying consistency cannot be ensured. A horizontal middle laying cutting and sunning device for small coarse cereal crops comprises a power chassis, an adjustable suspension mechanism, a cutting and sunning mechanism and a grain divider; the adjustable suspension mechanism comprises a hydraulic cylinder and a suspension bracket; the cutter-rower comprises a frame; a cutter is arranged on the left side of the frame; a middle-laying conveying roller is arranged at the right part of the inner cavity of the rack; and a driving roller and a driven roller are arranged below each middle-paved conveying roller, and a conveying belt is arranged between the driving roller and the driven roller. The buckwheat cutting and airing machine can complete buckwheat cutting and paving and airing at a certain height in the middle at one time, reduces the labor intensity of farmers, improves the production efficiency, reduces the production cost, and promotes the income increase of the farmers and the agricultural efficiency improvement.
Description
Technical Field
The utility model relates to the field of agricultural machinery, in particular to a crop cutting and sunning device, and particularly relates to a horizontal middle laying cutting and sunning device for small coarse cereal crops.
Background
At present, farmers in China mostly adopt a traditional method when planting buckwheat, particularly at the harvest stage, due to the particularity of mature buckwheat, fully mature buckwheat particles are easy to fall off from harvested plants, so that the whole buckwheat plant 2/3 is mature, the whole buckwheat plant is cut, dried and placed when being harvested, and the whole harvest work is finished in the field, so that the labor intensity is high. The common cutter-rower in the market is a vertical cutter-rower and a horizontal cutter-rower, and the cutting-sunning laying mode is mainly side laying.
However, practice shows that the existing windrower has the following problems when used for buckwheat crops: firstly, the vertical side-laying windrower is mainly suitable for the operation of easily-separated crops such as millet and oat, the windable crossed plants represented by buckwheat are cut and sunned by the windrower, the problems of difficult seedling division of plants, easy blockage due to cutting and sunning and the like exist, laying cannot be finished due to cutting and sunning blockage, manual cleaning is needed, and laying and stacking are difficult to ensure; secondly, as mature buckwheat grains are easy to shake and fall off, the loss rate of the grains cut and sunned by using a vertical cutting and sunning machine is high, and the grains are easy to go into the soil and rot after being cut and sunned; and thirdly, although the horizontal side-laying cutter-rower has a wide application range, the cutter-rower has requirements on turning around in the cutting and sunning process, and the laying consistency cannot be ensured. Based on the above, according to the traditional requirements of segmented harvesting, a horizontal middle laying and cutting and sunning device for small coarse cereal crops is needed to be invented, so that the labor intensity of farmers is reduced, the production efficiency is improved, the production cost is reduced, the income of the farmers is increased, the agricultural efficiency is improved, the urgent need of production is met, and the agricultural mechanization level of the crops is improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a horizontal middle laying and reaping-sunning device for small coarse cereal crops, which aims to solve the problems that the labor intensity of manual reaping-sunning of buckwheat crops is high, plants are difficult to separate and plant seedlings are cut and sunned by a cutter-sunning machine, the reaping-sunning is easy to block, the loss rate of grains is high, and the laying consistency cannot be ensured.
The utility model is realized by adopting the following technical scheme:
a horizontal middle laying cutting and sunning device for small coarse cereal crops comprises a power chassis, an adjustable suspension mechanism, a cutting and sunning mechanism and two grain dividers which are distributed in parallel from right to left, wherein the power output part of the power chassis is connected with the cutting and sunning mechanism through a chain transmission mechanism;
the adjustable suspension mechanism comprises a hydraulic cylinder and two suspension brackets distributed in parallel up and down, the right end parts of the two suspension brackets are hinged to the power chassis, the left end parts of the two suspension brackets are hinged to the cutter-rower, a cylinder barrel of the hydraulic cylinder is hinged to the power chassis, and a piston rod of the hydraulic cylinder is hinged to the suspension bracket above the hydraulic cylinder;
the cutting and drying mechanism comprises a U-shaped frame with a leftward opening, and the grain divider and the suspension bracket are connected to the frame; a cutter which is longitudinally arranged is horizontally arranged at the left side of the rack; two middle-spread conveying rollers which are distributed front and back and are longitudinally arranged are arranged at the right part of the inner cavity of the rack, the middle-spread conveying rollers are rotationally connected with a side plate of the rack through a cantilever shaft, a laying gap is reserved between the two middle-spread conveying rollers, and spiral blades are symmetrically fixed on the cylinder walls of the two middle-spread conveying rollers; and a driving roller and a driven roller which are rotatably supported at the bottom of the frame and are transversely arranged are arranged below each middle-paved conveying roller, and a conveying belt is arranged between the driving roller and the driven roller.
Furthermore, the chain transmission mechanism comprises a power shaft, a middle shaft and a driving shaft which are sequentially distributed from right to left and are longitudinally arranged, and the power shaft is rotationally connected to the power chassis; the middle shaft is rotationally connected with the suspension bracket positioned above, the driving shaft is rotationally connected with the rack, and the driving shaft and the hinge point at the left side of the suspension bracket positioned above are concentrically arranged; the number of the intermediate shafts and the number of the driving shafts are two, and the two intermediate shafts and the two driving shafts are distributed in the front and back direction; the power shaft is connected with the power output part of the power chassis, and both ends of the power shaft are fixedly provided with power output chain wheels; the inner ends of the two intermediate shafts are fixedly provided with large transition chain wheels in transmission connection with the power output chain wheel, and the outer ends of the two intermediate shafts are fixedly provided with small transition chain wheels; right-angle commutators arranged on the frame are arranged below the two driving shafts, driving shaft chain wheels in transmission connection with the small transition chain wheels are fixedly assembled at the inner ends of the two driving shafts, and middle-paved conveying driving chain wheels and commutators driving chain wheels are fixedly assembled at the outer ends of the two driving shafts; the input end of the right-angle commutator is fixedly provided with a commutator chain wheel in transmission connection with a commutator driving chain wheel, and the output end of the right-angle commutator is connected with a driving roller; the outer ends of the two cantilever shafts are fixedly provided with middle-paved conveying chain wheels, and the two middle-paved conveying chain wheels are correspondingly in transmission connection with the two middle-paved conveying driving chain wheels; one of the drive shafts drives the cutter through a wobble ring mechanism.
Furthermore, two radial plates which are distributed in parallel in the front and back direction and provided with mounting holes in the middle are fixed on the inner side wall of the middle-paved conveying roller, and a shaft sleeve which is longitudinally placed and sleeved on the cantilever shaft is fixed on each mounting hole; a plurality of adjusting holes distributed left and right are formed in two side plates of the rack, and the outer end of the cantilever shaft is fixedly connected with one of the adjusting holes through a flange type bearing seat.
Furthermore, two hollow mounting rods which are distributed front and back are longitudinally fixed at the right end of the bottom of the rack, a hollow mounting rod I which is processed by adopting through-length channel steel is longitudinally fixed at the left end of the bottom, and the driving roller and the driven roller are rotationally connected between the mounting rods I; the driving roller and the mounting rod as well as the driving roller and the mounting rod I are rotationally connected through a bearing seat; adjusting bolts are respectively penetrated in the middle parts of the opposite end parts of the two mounting rods and the mounting rod I, the two ends of the roll shafts of the two driven rolls are movably penetrated in the side walls of the mounting rods or the mounting rod I through the strip-shaped holes, and the two ends of the roll shafts of the two driven rolls are respectively fixedly penetrated in the tail end parts of the four adjusting bolts.
Further, the cutter is a reciprocating cutter; the hydraulic cylinder is a telescopic hydraulic cylinder.
The cutting and airing machine has the advantages that the structural design is reasonable and reliable, the cutting and airing machine is suitable for the special requirements of cutting and airing buckwheat, the cutting and airing of buckwheat can be completed at one time, the laying and airing with a certain height in the middle can be completed, the problems that the cutting and airing machine is difficult in plant seedling dividing, the cutting and airing machine is easy to block, the seed loss rate is high, and the laying consistency cannot be ensured in the cutting and airing machine for cutting and airing the buckwheat can be solved, the labor intensity of farmers is reduced, the production efficiency is improved, the production cost is reduced, the income of the farmers is increased, and the agricultural efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a schematic view of the construction of the middle decking transport mechanism in accordance with the present invention;
FIG. 4 is a schematic view of the construction of the middle-bed conveyor roller according to the present invention;
FIG. 5 is a schematic view of the attachment of the cutter of the present invention;
FIG. 6 is a schematic view of the height adjustment of the adjustable suspension mechanism of the present invention;
fig. 7 is a schematic drive diagram of the chain drive of the present invention.
In the figure, 1-power chassis, 2-nearside divider, 301-hydraulic cylinder, 302-suspension bracket, 401-frame, 402-cutter, 403-middle laying conveying roller, 404-cantilever shaft, 405-laying gap, 406-helical blade, 407-driving roller, 408-driven roller, 409-conveyor belt, 410-mounting hole, 411-web, 412-shaft sleeve, 413-adjusting hole, 414-flange bearing seat, 415-mounting rod, 416-mounting rod I, 417-bearing seat, 418-adjusting bolt, 501-power shaft, 502-middle shaft, 503-driving shaft, 504-power output sprocket, 505-large transition sprocket, 506-small transition sprocket, 507-commutator, 508-sprocket driving shaft, 509-middle-spread conveying driving chain wheel, 510-commutator driving chain wheel, 511-commutator chain wheel, 512-middle-spread conveying chain wheel, 513-swinging ring mechanism, 514-tensioning chain wheel I, 515-tensioning chain wheel II, 516-tensioning chain wheel III, 517-chain.
Detailed Description
A horizontal middle laying cutting and drying device for small coarse cereal crops is shown in attached figures 1 and 2 and comprises a power chassis 1, an adjustable suspension mechanism, a cutting and drying mechanism and two grain dividers 2 which are distributed in parallel from right to left, wherein the power output part of the power chassis 1 is connected with the cutting and drying mechanism through a chain transmission mechanism;
as shown in fig. 1 and fig. 2, the adjustable suspension mechanism comprises a hydraulic cylinder 301 and two suspension brackets 302 distributed in parallel up and down, the right end parts of the two suspension brackets 302 are hinged to the power chassis 1, the left end parts of the two suspension brackets 302 are hinged to the cutter-rower mechanism, the cylinder barrel of the hydraulic cylinder 301 is hinged to the power chassis 1, and the piston rod of the hydraulic cylinder 301 is hinged to the suspension bracket 302 above;
as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the cutter-rower comprises a U-shaped frame 401 with an opening facing to the left, and the crop divider 2 and the suspension bracket 302 are both connected to the frame 401; a cutter 402 arranged longitudinally is horizontally arranged at the left side of the rack 401; two middle-spread conveying rollers 403 which are longitudinally arranged and distributed in the front-back direction are arranged at the right part of the inner cavity of the rack 401, the middle-spread conveying rollers 403 are rotatably connected with side plates of the rack 401 through cantilever shafts 404, a laying gap 405 is reserved between the two middle-spread conveying rollers 403, and spiral blades 406 are symmetrically fixed on the cylinder walls of the two middle-spread conveying rollers 403; a driving roller 407 and a driven roller 408 which are rotatably supported at the bottom of the frame 401 and transversely arranged are arranged below each middle berth conveying roller 403, and a conveying belt 409 is arranged between the driving roller 407 and the driven roller 408.
The horizontal type cutting and sunning mode is adopted, so that the cutting and sunning of the buckwheat crops which are mutually wound are facilitated, and the loss of mature buckwheat grains in the harvesting process is reduced. The middle-spread conveying roller 403 has a certain height, so that the head of the wheat ear is stacked at a certain height near the middle, and has a certain speed difference with a middle-spread conveying mechanism consisting of a driving roller 407, a driven roller 408 and a conveying belt 409, and the middle spreading of the buckwheat is completed under the interaction of the driving roller 407, the driven roller 408 and the conveying belt 409.
As shown in fig. 1, 2 and 6, the adjustable suspension mechanism of the utility model adopts a parallelogram suspension structure design, the height change of the cutter-rower is realized under the action of the hydraulic cylinder 301, and the cutter 402 is always in a horizontal position in the change process. When the parallel four-bar mechanism is in work, the suspension bracket 302 positioned at the lower part is a driven part, the two suspension brackets 302, the frame 401 and the power chassis 1 form the parallel four-bar mechanism, the height of the cutter-rower mechanism is adjusted by pushing or contracting the hydraulic cylinder 301 to act on the suspension bracket 302 positioned at the upper part, and the suspension bracket 302 positioned at the lower part is driven to enable the cutter-rower mechanism to perform translation in the height direction.
The adjustment principle of the adjustable suspension mechanism is shown in fig. 6, in which EA is the suspension bracket 302 located above; BD is the suspension 302 located below; the length of the two suspension brackets 302 along the transverse direction is 800 mm; a. B is respectively a hinge point of the two suspension brackets 302 and the power chassis 1, D, E is respectively a hinge point of the two suspension brackets 302 and the frame 401, and the distance between A and B and the distance between D and E are 235 mm; C. f is the hinge point of the hydraulic cylinder 301 and the power chassis 1, and the hinge point of the hydraulic cylinder 301 and the suspension bracket 302 respectively; the stroke of the hydraulic cylinder 301 is 40 mm; the lifting angle of the adjustable suspension mechanism is 38 degrees.
During operation, the cutting and sunning device walks in a buckwheat field, the buckwheat divider 2 divides the buckwheat into grains, the power chassis 1 drives the cutting and sunning mechanism through the chain transmission mechanism, the cutter 402 cuts the buckwheat, and the cut and fallen crops fall into the inner cavity of the rack 401 under the combined action of the advancing speed and the gravity. The middle-spread conveying roller 403 is higher than the middle-spread conveying mechanism, so that the heads of the wheat ears are stacked at a certain height at the middle-spread position in the cutting and sun-spreading process, a certain speed difference exists between the conveying speeds of the middle-spread conveying roller 403 and the middle-spread conveying mechanism, the speed of the wheat ears near the root is different from that of the wheat ears, the spreading operation with the middle height is completed by conveying the wheat ears from two sides to the middle, and the spreading effect of gathering the heads of the wheat ears in the middle is achieved. In the process, in order to adapt to different heights of buckwheat plants, the adjustable suspension mechanism can adjust the height of the cutter 402, the hydraulic cylinder 301 drives the suspension bracket 302 located above to lift during adjustment, and then drives the suspension bracket 302 located below to lift, so that the height of the cutter-rower mechanism is adjusted, and the cutter 402 can be kept horizontal all the time during adjustment. The utility model overcomes the problems that the labor intensity of manual cutting and sunning of buckwheat crops is high, the plants are difficult to separate by a cutting and sunning machine, the cutting and sunning are easy to block, the seed loss rate is high, and the laying consistency can not be ensured.
As shown in fig. 1, fig. 2 and fig. 7, the chain transmission mechanism includes a power shaft 501, an intermediate shaft 502 and a driving shaft 503 which are sequentially distributed from right to left and longitudinally arranged, and the power shaft 501 is rotatably connected to the power chassis 1; the middle shaft 502 is rotatably connected to the suspension bracket 302 positioned above, the driving shaft 503 is rotatably connected to the frame 401, and the driving shaft 503 is concentrically arranged with a hinge point at the left side of the suspension bracket 302 positioned above; the number of the intermediate shafts 502 and the number of the driving shafts 503 are two; the power shaft 501 is connected with the power output part of the power chassis 1, and both ends of the power shaft 501 are fixedly provided with power output chain wheels 504; the inner ends of the two intermediate shafts 502 are fixedly provided with a large transition chain wheel 505 in transmission connection with the power output chain wheel 504, and the outer ends of the two intermediate shafts are fixedly provided with a small transition chain wheel 506; right-angle commutators 507 arranged on the frame 401 are arranged below the two driving shafts 503, driving shaft chain wheels 508 in transmission connection with the small transition chain wheels 506 are fixedly assembled at the inner ends of the two driving shafts 503, and a middle-paved conveying driving chain wheel 509 and a commutators driving chain wheel 510 are fixedly assembled at the outer ends of the two driving shafts 503; the input end of the right-angle reverser 507 is fixedly provided with a reverser chain wheel 511 in transmission connection with the reverser driving chain wheel 510, and the output end of the right-angle reverser 507 is connected with the driving roller 407; the outer ends of the two cantilever shafts 404 are fixedly provided with middle-spread conveying chain wheels 512, and the two middle-spread conveying chain wheels 512 are correspondingly in transmission connection with two middle-spread conveying driving chain wheels 509; the drive shaft 503 on the rear side drives the cutter 402 via a wobble mechanism 513.
During operation, the power chassis 1 drives the power shaft 501 and the power output chain wheel 504 to rotate, and drives the driving shaft chain wheel 508 and the driving shaft 503 to rotate under the transmission of the intermediate shaft 502, the large transition chain wheel 505 and the small transition chain wheel 506, and further drives the middle-paved conveying roller 403 and the helical blade 406 to rotate under the action of the middle-paved conveying driving chain wheel 509 and the middle-paved conveying chain wheel 512, so that the buckwheat ears are conveyed from two sides to the middle; meanwhile, under the action of the right-angle reverser 507, the reverser driving chain wheel 510 and the reverser chain wheel 511, the driving shaft 503 rotates to drive the driving roller 407 to rotate, so that the buckwheat root part is conveyed from two sides to the middle. In addition, the driving shaft 503 positioned at the rear side is rotated by the swing ring mechanism 513 to drive the cutter 402, so that the movable blade of the cutter 402 reciprocates, thereby achieving the purpose of cutting buckwheat.
The power chassis 1 is a self-walking power chassis of a tractor or a combine harvester; the power output part of the power chassis 1 is a gearbox output shaft of the power chassis 1. When installed, as shown in fig. 1, the axial centers of the power shaft 501, the intermediate shaft 502 and the driving shaft 503 are all collinear with the center line of the suspension bracket 302.
As shown in fig. 1 and fig. 2, a tension sprocket rotatably connected to the suspension frame 302 is arranged between the power output sprocket 504 and the large transition sprocket 505; a tension chain wheel I514 which is rotationally connected with the suspension bracket 302 is arranged between the small transition chain wheel 506 and the driving shaft chain wheel 508; a tension chain wheel II515 which is rotationally connected with the frame 401 is arranged between the commutator driving chain wheel 510 and the commutator chain wheel 511; a tensioning chain wheel III516 which is rotationally connected to the rack 401 is arranged between the middle-bed conveying chain wheel 512 and the middle-bed conveying driving chain wheel 509; the power output chain wheel 504 and the large transition chain wheel 505, the small transition chain wheel 506 and the driving shaft chain wheel 508, the commutator driving chain wheel 510 and the commutator chain wheel 511, and the middle conveying chain wheel 512 and the middle conveying driving chain wheel 509 are in transmission connection through chains 517.
The working principle of the chain transmission system is shown in FIG. 7, the output rotating speed of the power output chain wheel 504 is 510r/min, the power output chain wheel is transmitted to the large transition chain wheel 505 through the chain 517, and the large transition chain wheel 505 and the small transition chain wheel 506 are coaxially transmitted; the small transition sprocket 506 is driven by a chain to the drive shaft sprocket 508, the drive shaft 503 obtains the rotation speed 394.09r/min, simultaneously the rear drive shaft 503 transmits the power to the cutter 402, and the tension sprocket VI tensions the chain 517; the driving shaft chain wheel 508, the commutator driving chain wheel 510 and the middle-spread conveying driving chain wheel 509 are in coaxial transmission, the commutator driving chain wheel 510 is transmitted to the commutator chain wheel 511, the rotating speed of the right-angle commutator 507 is 604.27r/min, the right-angle commutator 507 drives the middle-spread conveying mechanism to move, and the chain 517 is tensioned by the tensioning chain wheel II 515; the middle-spread conveying driving chain wheel 509 transmits power to the middle-spread conveying chain wheel 512 so as to drive the middle-spread conveying roller 403 to rotate, the rotating speed of the middle-spread conveying roller 403 is 231.02r/min, and the chain 517 is tensioned by the tensioning chain wheel III 516.
The transmission ratio of the chain drive system is calculated as follows:
rotational speed of power take-off sprocket 504: n is1＝510r/min。
Rotational speed of drive shaft 503:
rotation speed of middle-bed conveying roller 403:
rotation speed of the right-angle commutator 507:
in the formula, z1Number of teeth of power take-off sprocket 504, z1＝17；z2Number of teeth of large-transition sprocket 505, z2＝22；z3Number of teeth of small transition sprocket 506, z3＝15；z4Number of teeth of drive shaft sprocket 508, z4＝15； z5Number of teeth of the middle-berth conveying drive sprocket 509, z5＝17；z6Middle pallet conveyor sprocket 512 teeth number, z6＝29； z7Number of teeth of commutator drive sprocket 510, z7＝23；z8Number of teeth of commutator sprocket 511, z8＝15；
As shown in fig. 4, two radial plates 411 which are distributed in parallel in the front and back direction and have a mounting hole 410 in the middle are fixed on the inner side wall of the middle-spread conveying roller 403, and a shaft sleeve 412 which is longitudinally placed and sleeved on the cantilever shaft 404 is fixed on the mounting hole 410; a plurality of adjusting holes 413 distributed left and right are formed in two side plates of the frame 401, and the outer end of the cantilever shaft 404 is fixedly connected with one of the adjusting holes 413 through a flange type bearing seat 414.
The position of the middle conveying roller 403 can be adjusted by the structural design to adapt to the requirement that the height of the buckwheat plant is within the range of 600mm-1600mm, so that the middle conveying roller 403 can meet the conveying requirement of the buckwheat ears.
As shown in fig. 3, two hollow mounting rods 415 distributed back and forth are longitudinally fixed at the right end of the bottom of the frame 401, a hollow mounting rod I416 processed by a full-length channel steel is longitudinally fixed at the left end of the bottom, and the driving roller 407 and the driven roller 408 are rotatably connected between the mounting rods 415 and the mounting rod I416; the driving roller 407 and the mounting rod 415, and the driving roller 407 and the mounting rod I416 are rotatably connected through a bearing block 417; adjusting bolts 418 are respectively penetrated through the opposite end parts of the two mounting rods 415 and the middle part of the mounting rod I416, two ends of the roll shafts of the two driven rolls 408 are movably penetrated through the side walls of the mounting rods 415 or the mounting rods I416 through strip-shaped holes, and two ends of the roll shafts of the two driven rolls 408 are respectively and fixedly penetrated through the tail end parts of the four adjusting bolts 418. The driven roller 408 is rotatable; two mounting seats are fixed in the middle of the inner cavity of the mounting rod I, and two adjusting bolts 418 are respectively mounted on the two mounting seats.
The adjustment bolts 418 can adjust the position of the driven roller 408 for the purpose of tensioning the belt.
The cutter 402 is a standard type II reciprocating cutter with a cutting stroke of 76.2 mm; the hydraulic cylinder 301 is a telescopic hydraulic cylinder.
In the specific implementation process, the suspension bracket 302 positioned above is an I-shaped bracket, and the top end part of a piston rod of the hydraulic cylinder 301 is hinged with a longitudinal rod of the suspension bracket 302;
the suspension bracket 302 and the frame 401 are rotatably connected through ear plates and connecting pins. The suspension 302 above is hinged with the upper suspension point of the power chassis 1, and the connecting part of the suspension and the upper suspension point is provided with a hoop and a matched annular groove to prevent the suspension 302 from moving in the use process. The suspension bracket 302 positioned at the lower part is inserted in the upper suspension point of the power chassis 1 through a pin shaft. Two hinge points are arranged on each suspension bracket 302 and the frame 401; there are two hinge points for each hanger 302 to the power chassis 1.
As shown in FIG. 3, the drive roll 407 has a specification of
A wall thickness of 3mm, and whereinA transmission shaft is welded between the two parts; the passive roller 408 is of a specification of
A steel pipe with the wall thickness of 3mm is embedded with a 6204 deep groove ball bearing, and a supporting mandrel penetrates through the bearing; the conveyor belt 409 is a lawn pattern conveyor belt with the specification of 1340 multiplied by 880mm and the thickness of 3 mm; the adjusting bolt 418 is an M12 bolt and the tail end thereof is welded
The steel pipe is matched with an M12 nut to form an adjusting bolt, and the adjusting range of the adjusting bolt 418 is 0-30 mm; the center distance of the two passive rollers 408 is 604mm, and the distance between the active roller 407 and the passive roller 408 is 592 mm.
As shown in FIG. 4, the middle blanket delivery cylinder 403 is sized to
The specification of the helical blade 406 is
The length is 670mm, and one of the two helical blades 406 is in the left-handed direction and the other helical blade 406 is in the right-handed direction; the dimension of the web 411 is
The center is provided with a hole
The wheel disc 411 is welded with the middle paving conveying roller 403 into a whole, and the shaft sleeve 412 is welded in the middle of the wheel disc 411 and used for fixing the cantilever shaft 404.
Claims (5)
1. The utility model provides a little coarse cereals crop is with horizontal middle shop put and cut and shine device which characterized in that: the harvester comprises a power chassis (1), an adjustable suspension mechanism, a cutter-rower and two grain dividers (2) which are distributed in parallel from right to left, wherein the power output part of the power chassis (1) is connected with the cutter-rower through a chain transmission mechanism;
the adjustable suspension mechanism comprises a hydraulic cylinder (301) and two suspension brackets (302) which are distributed in parallel up and down, the right end parts of the two suspension brackets (302) are hinged to the power chassis (1), the left end parts of the two suspension brackets are hinged to the cutter-rower, the cylinder barrel of the hydraulic cylinder (301) is hinged to the power chassis (1), and the piston rod of the hydraulic cylinder (301) is hinged to the suspension bracket (302) above;
the cutter-rower comprises a U-shaped frame (401) with an opening facing left, and the nearside divider (2) and the suspension bracket (302) are both connected to the frame (401); a cutter (402) which is longitudinally arranged is horizontally arranged at the left side of the rack (401); two middle-spread conveying rollers (403) which are longitudinally arranged and distributed in the front-back direction are arranged at the right part of an inner cavity of the rack (401), the middle-spread conveying rollers (403) are rotatably connected with a side plate of the rack (401) through cantilever shafts (404), a spreading gap (405) is reserved between the two middle-spread conveying rollers (403), and helical blades (406) are symmetrically fixed on the cylinder walls of the two middle-spread conveying rollers; a driving roller (407) and a driven roller (408) which are rotatably supported at the bottom of the frame (401) and transversely arranged are arranged below each middle paving conveying roller (403), and a conveying belt (409) is arranged between the driving roller (407) and the driven roller (408).
2. The horizontal middle paving, cutting and airing device for the small coarse cereal crops as claimed in claim 1, is characterized in that: the chain transmission mechanism comprises a power shaft (501), an intermediate shaft (502) and a driving shaft (503) which are sequentially distributed from right to left and longitudinally arranged, and the power shaft (501) is rotationally connected to the power chassis (1); the middle shaft (502) is rotatably connected to the suspension bracket (302) positioned above the middle shaft, the driving shaft (503) is rotatably connected to the rack (401), and the number of the middle shaft (502) and the number of the driving shaft (503) are two, wherein the two are distributed front and back; the power shaft (501) is connected with a power output part of the power chassis (1), and both ends of the power shaft (501) are fixedly provided with power output chain wheels (504); the inner ends of the two intermediate shafts (502) are fixedly provided with large transition chain wheels (505) in transmission connection with the power output chain wheel (504), and the outer ends of the two intermediate shafts are fixedly provided with small transition chain wheels (506); right-angle commutators (507) arranged on the rack (401) are arranged below the two driving shafts (503), driving shaft chain wheels (508) in transmission connection with the small transition chain wheels (506) are fixedly assembled at the inner ends of the two driving shafts (503), and middle-paved conveying driving chain wheels (509) and commutators driving chain wheels (510) are fixedly assembled at the outer ends of the two driving shafts (503); the input end of the right-angle reverser (507) is fixedly provided with a reverser chain wheel (511) in transmission connection with the reverser driving chain wheel (510), and the output end of the right-angle reverser (507) is connected with the driving roller (407); the outer ends of the two cantilever shafts (404) are fixedly provided with middle-spread conveying chain wheels (512), and the two middle-spread conveying chain wheels (512) are correspondingly in transmission connection with two middle-spread conveying driving chain wheels (509); one of the drive shafts (503) drives the cutter (402) through a wobble ring mechanism (513).
3. The horizontal middle laying and cutting and sunning device for the small coarse cereal crops as claimed in claim 1 is characterized in that: two radial plates (411) which are distributed in parallel front and back and provided with mounting holes (410) in the middle are fixed on the inner side wall of the middle-paved conveying roller (403), and a shaft sleeve (412) which is longitudinally placed and sleeved on the cantilever shaft (404) is fixed on each mounting hole (410); a plurality of adjusting holes (413) distributed left and right are formed in two side plates of the rack (401), and the outer end of the cantilever shaft (404) is fixedly connected with one adjusting hole (413) through a flange type bearing seat (414).
4. The horizontal middle laying and cutting and sunning device for the small coarse cereal crops as claimed in claim 1 is characterized in that: two hollow mounting rods (415) which are distributed front and back are longitudinally fixed at the right end of the bottom of the rack (401), a hollow mounting rod I (416) which is processed by a through-long channel steel is longitudinally fixed at the left end of the bottom, and the driving roller (407) and the driven roller (408) are rotationally connected between the mounting rods (415) and the mounting rod I (416); the driving roller (407) and the mounting rod (415), and the driving roller (407) and the mounting rod I (416) are rotatably connected through a bearing seat (417); adjusting bolts (418) are respectively penetrated through the opposite end parts of the two mounting rods (415) and the middle parts of the mounting rods I (416), two ends of the roll shafts of the two driven rolls (408) are movably penetrated through the side walls of the mounting rods (415) or the mounting rods I (416) through strip-shaped holes, and two ends of the roll shafts of the two driven rolls (408) are respectively fixedly penetrated through the tail ends of the four adjusting bolts (418).
5. The horizontal middle paving, cutting and airing device for the small coarse cereal crops as claimed in claim 1, is characterized in that: the cutter (402) is a reciprocating cutter; the hydraulic cylinder (301) is a telescopic hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220341621.6U CN216700978U (en) | 2022-02-21 | 2022-02-21 | Horizontal middle laying and cutting and airing device for small coarse cereals crops |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220341621.6U CN216700978U (en) | 2022-02-21 | 2022-02-21 | Horizontal middle laying and cutting and airing device for small coarse cereals crops |
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| Publication Number | Publication Date |
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| CN216700978U true CN216700978U (en) | 2022-06-10 |
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| CN202220341621.6U Active CN216700978U (en) | 2022-02-21 | 2022-02-21 | Horizontal middle laying and cutting and airing device for small coarse cereals crops |
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| CN (1) | CN216700978U (en) |
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