CN112514640B - Rotary discharging separator of grain harvester - Google Patents
Rotary discharging separator of grain harvester Download PDFInfo
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- CN112514640B CN112514640B CN202011171304.6A CN202011171304A CN112514640B CN 112514640 B CN112514640 B CN 112514640B CN 202011171304 A CN202011171304 A CN 202011171304A CN 112514640 B CN112514640 B CN 112514640B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/04—Harvesting of standing crops of rice
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
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- Environmental Sciences (AREA)
- Screw Conveyors (AREA)
Abstract
The invention relates to a rotary discharging and separating device of a grain harvester, which is designed for solving the technical problems that the discharging position of the existing similar grain harvester is fixed and can not rotate, and the adjustment and the production are inconvenient. The discharging box is characterized in that one end of a lifting auger in the discharging box of the discharging separation device is provided with a discharging port of a rectangular cover opening, the other end of the lifting auger extends out of a support frame assembly while extending out of the material box, the lifting auger is arranged in the material box through the support frame assembly, the lifting auger is fixedly connected with the support frame assembly, one end of the support frame assembly in the discharging box is provided with a first bearing seat, the other end of the support frame assembly in the discharging box is provided with a second bearing seat, a first bearing is arranged between the first bearing and a flange seat, a second bearing is arranged between the second bearing seat and the auger seat, one side of a discharging pipe at one end of the lifting auger in the discharging box is provided with an opening, the other end of the lifting auger extending out of the material box is provided with an end hole, and the end hole is spirally connected with grain outlet.
Description
Technical Field
The invention relates to a grain harvester, in particular to a rotary discharging and separating device of the grain harvester.
Background
The grain harvester is a machine for harvesting grain crop such as rice and wheat and straw, including harvester, windrower, reaper-binder, grain thresher and grain combine harvester, and is mainly used for replacing human and animal power to complete all operations in the whole process of grain harvesting, convenient for timely harvesting and for the particles to be stored in the bin, which is an important condition for ensuring high yield and harvest. This type of cereal harvester generally promotes the cereal after threshing to the disengagement chamber through the hob that is driven by the motor in the promotion screw feeder, and the fan is siphoned away garrulous straw via the tuber pipe of disengagement chamber top, and the cereal grain then falls into he and leaves the grain storage bin or accomodate the bag of cabin below and can realize the collection of cereal and carry. Such grain harvesters are available, for example, as application No. 201020196096.0 disclosed in chinese patent literature, grant publication No. 2011.02.09, and utility model name "harvester"; further, as disclosed in the chinese patent publication, application No. 201410236621.X, publication No. 2020.01.24, entitled "a small combine harvester". However, the discharging box in the product and the similar grain harvester is fixed and cannot rotate, the adjustment is inconvenient, the discharging box is easy to block and cannot rotate along with the change of the position of the harvester, and the unmanned automatic harvesting and conveying requirement cannot be met.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a rotary discharging and separating device of a grain harvester for the field, so that the technical problems that the discharging position of the existing similar grain harvester is fixed and cannot rotate, and the adjustment and the production are inconvenient are solved. The purpose is realized by the following technical scheme.
The utility model provides a rotatory ejection of compact separator of cereal harvester, this ejection of compact separator's play magazine is cylindrically, and top cap one side of going out the magazine is equipped with the fan pipe, and ejection of compact box bottom of fan pipe below is equipped with the discharging pipe, and ejection of compact box center is equipped with the promotion screw feeder that stretches out, is equipped with the screw auger in the promotion screw feeder, and the fan of cereal harvester passes through the tuber pipe and is connected with the fan pipe in the ejection of compact box outside, and the discharging pipe of going out the magazine passes through the pipe fitting and is connected with conveyor. The structure design key points are that one end of a lifting auger in the discharging box is provided with a discharging port, the other end of the lifting auger extends out of the material box and also extends out of a support frame assembly, the lifting auger is arranged in the material box through the support frame assembly, the lifting auger is fixedly connected with the support frame assembly, one end of the support frame assembly in the discharging box is provided with a first bearing seat, the other end of the support frame assembly in the discharging box is provided with a second bearing seat, the inner ring of a first bearing is in external diameter fit with the shaft sleeve of the first bearing seat, the outer ring of the first bearing is in interference fit with a flange seat on the inner side of a top cover of the discharging box, the inner ring of the second bearing is in external diameter fit with the shaft sleeve of the second bearing seat, the outer ring of the second bearing is in interference fit with an auger seat at the extending part of the lifting auger in the discharging box, namely, the lifting auger extends out of the material box through the auger seat and the second bearing seat, the second bearing seat is provided with an elliptical hole with the same size as the lifting auger, the discharging pipe one side of the promotion screw feeder one end tip in the ejection of compact box is equipped with the open-ended the discharge gate, and the promotion screw feeder other end that stretches out the ejection of compact box is equipped with the end hole, and the promotion screw feeder the end hole and grain harvester's play millet screwed connection. Therefore, the discharging box freely rotates around the axis of the support frame assembly through the first bearing and the second bearing, and the direction is automatically adjusted.
The first bearing seat and the second bearing seat of the support frame assembly are connected into a whole through an upper support rod, and sealing rings are respectively arranged between the outer ring of the first bearing seat and the flange seat of the material outlet box top cover and between the outer ring of the second bearing seat and the auger seat. Therefore, the supporting frame component can conveniently form the supporting frame component of the specific embodiment through the supporting rods and other components, so that the space in the discharging box is further closed, grains are prevented from falling between the lifting auger and the supporting frame component when the discharging box rotates, and a cylinder cover can also be arranged between the first bearing seat and the second bearing seat in the discharging box according to the following structural characteristics.
The utility model discloses a grain harvester, including the support frame subassembly, promote the screw feeder and set up in the center of support frame subassembly, promote the screw feeder and stretch out the magazine by a discharging pipe and a fan pipe side direction symmetry opposite side slant, the support frame subassembly of ejection of compact box below is equipped with first ring base, and first ring base is fixed in the grain harvester, and the promotion screw feeder one end that stretches out the magazine stretches out from the centre bore of first ring base simultaneously, and first ring base is connected with the second bearing frame through lower vaulting pole. The above is a specific structural embodiment of the support frame assembly.
The utility model discloses a corn harvester, including the feed box, promote the screw feeder and set up in support frame subassembly center, promote the screw feeder and stretch out the magazine by a discharging pipe and a fan pipe side direction symmetry opposite side slant, the support frame subassembly of ejection of compact box below is equipped with second ring base, second ring base is fixed in corn harvester, the promotion screw feeder one end that stretches out the magazine stretches out from the centre bore of second ring base simultaneously, second ring base is connected with the second bearing frame through lower vaulting pole and vaulting pole seat, vaulting pole seat and second ring base fixed connection, the one end of lower support bar is connected with the second bearing frame promptly, the other end of lower support bar inserts the vaulting pole seat, the vaulting pole seat is the cavity pipe fitting that corresponds with lower vaulting pole shape, the head of cavity pipe fitting is equipped with C shape breach, the clamp locking lower support bar of C shape breach department is connected with the vaulting pole seat. The above is another specific structural embodiment of the support frame assembly.
The peripheral surface, the bottom surface and the top cover of the outer diameter cylinder of the discharging box are respectively provided with a reinforcing rib, the reinforcing ribs, the upper support rods and the lower support rods are reinforcing steel bars, and the discharging box, the discharging pipe, the lifting auger, the fan pipe, the first circular ring base and the second circular ring base are steel plates or circular pipes. The structure is convenient for the production and the manufacture of the discharging box, and the whole structure is firm and stable.
The discharge hole of the lifting auger in the discharge box is a rectangular cover opening, and the lifting auger is arranged on the second bearing seat through the bottom of the rectangular cover opening and extends out of the second bearing seat. The structure is convenient for grains to enter the discharging box through the rectangular cover opening of the lifting auger and for the lifting auger to be placed on the second bearing block.
The utility model discloses a material box, including the box, the box is equipped with the support frame subassembly, the box is equipped with the air duct, the side tuber pipe that promotes screw feeder's rectangle cover mouth top is equipped with interior tuber pipe, the side tuber pipe of interior tuber pipe along promoting screw feeder one side external diameter stretches out the first ring base or the second ring base of a magazine and support frame subassembly, the side tuber pipe that stretches out the magazine passes through tuber pipe connection fan, the top of going out the magazine is equipped with the upper cover, the fan pipe is left out at the top of going out the magazine, the one end mouth of pipe of interior tuber pipe is connected with the side tuber pipe of promotion screw feeder, the screw feeder seat that stretches out the magazine and the bottom parallel and level of ejection of compact box. The structure is convenient for the fan and the lifting screw feeder to be integrally used, the space occupation of the fan is reduced, and the structure is the concrete structure embodiment of another fan and an air pipe.
The plane of the bottom of one side of the discharge pipe of the discharge box is obliquely arranged from the other side to one side of the discharge pipe. The grain in the discharging box is convenient to output through the discharging pipe by the structure.
And a fan frame is arranged on the reinforcing rib at one side of the material outlet box, and the fan is fixedly arranged in the fan frame at one side of the material outlet box. The structure is convenient for the fan and the discharging box to be connected into a whole for use.
And a cylinder cover is arranged between the first bearing seat and the second bearing seat in the discharging box. Therefore, the annular space between the first bearing seat and the second bearing seat in the discharging box is sealed through the cylinder cover, and grains are further prevented from falling between the lifting auger and the support frame assembly when the discharging box rotates.
The first bearing and the second bearing are radial thrust bearings. The structure enhances the stability of the corresponding bearing during rotation and the stability of the rotary discharging and separating device.
The grain discharging box has the advantages of reasonable structural design, convenience in production and installation, good safety and stability, and difficulty in grain blockage in the discharging box; the discharging separator is suitable for being used as a discharging separator of a grain harvester when rotation is needed, and the structure of the similar products is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic sectional view of fig. 1, in which the arrows indicate the grain inlet and outlet directions.
Fig. 3 is a partially sectional structural view of the use state of fig. 2.
Fig. 4 is a first internal structure diagram of fig. 1.
Fig. 5 is a second schematic view of the internal structure of fig. 1, in which the first bearing seat is a dashed line.
Fig. 6 is a schematic view of the support frame assembly of fig. 5.
Fig. 7 is a schematic structural view of the support bracket assembly of fig. 6 incorporating the lifting auger, the first bearing housing and the second bearing housing.
Fig. 8 is a schematic view of a modified structure of fig. 5.
Fig. 9 is a schematic view of a further improved structure of fig. 8.
Fig. 10 is a schematic view of the internal structure of the discharge box of fig. 9, with the upper lid omitted.
Figure number and name: 1. the device comprises a material outlet box, 101, a reinforcing rib, 102, a fan frame, 2, a material outlet pipe, 3, an auger seat, 4, a support frame, 5, a lifting auger, 501, a material outlet, 502, a side air pipe, 6, a fan pipe, 7, a first bearing, 8, a first bearing seat, 9, a second bearing seat, 10, a second bearing, 11, a first ring base, 12, a flange seat, 13, a second ring base, 14, a support rod seat, 15, a fan, 16, an upper cover, 17, an inner air pipe, 18 and a cylinder cover.
Detailed Description
The structure of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-7, the discharging box 1 of the discharging separation device is cylindrical, a fan pipe 6 is arranged on one side of the top cover of the discharging box, a discharging pipe 2 is arranged at the bottom of the discharging box below the fan pipe, a lifting auger 5 extending out is arranged in the center of the discharging box, a spiral auger is arranged in the lifting auger, a fan 15 of the grain harvester is connected with the fan pipe outside the discharging box through an air pipe, and the discharging pipe of the discharging box is connected with a conveying device through a pipe fitting. One end of a lifting screw feeder in the discharging box is provided with a discharging port 501, the other end of the lifting screw feeder extends out of the material box and also extends out of a support frame component, the lifting screw feeder is arranged on the material box through the support frame component, the lifting screw feeder is fixedly connected with the support frame component, one end of the support frame component in the discharging box is provided with a first bearing seat 8, the other end of the support frame component in the discharging box is provided with a second bearing seat 9, the inner ring of a first bearing 7 is in external diameter fit with the shaft sleeve of the first bearing seat, the outer ring of the first bearing is in interference fit with a flange seat 12 on the inner side of a top cover of the discharging box, the inner ring of a second bearing 10 is in external diameter fit with the shaft sleeve of the second bearing seat 9, the outer ring of the second bearing is in interference fit with a screw feeder seat 3 at the extending part of the lifting screw feeder in the discharging box, namely, the lifting screw feeder extends out of the material box through the screw feeder seat and the second bearing seat, the second bearing seat is provided with an elliptical hole with the same size as the lifting screw feeder, the discharging pipe one side of the promotion screw feeder one end tip in the ejection of compact box is equipped with the open-ended the discharge gate, and the promotion screw feeder other end that stretches out the ejection of compact box is equipped with the end hole, and the promotion screw feeder the end hole and grain harvester's play millet screwed connection. The first bearing seat and the second bearing seat of the support frame assembly are connected into a whole through the upper support rod, and sealing rings are respectively arranged between the outer ring of the first bearing seat and the flange seat of the material outlet box top cover and between the outer ring of the second bearing seat and the auger seat. The lifting auger is arranged in the center of the support frame assembly, the lifting auger obliquely extends out of the material box from the discharging pipe and the lateral symmetrical other side of the fan pipe, the support frame assembly below the discharging box is provided with a first circular base 11, the first circular base is fixed on the grain harvester, one end of the lifting auger extending out of the material box simultaneously extends out of a center hole of the first circular base, and the first circular base is connected with the second bearing seat through a lower support rod.
According to the above structure characteristics, as shown in fig. 8, the lifting auger of the device is arranged in the center of the support frame assembly, the lifting auger obliquely extends out of the material box from one side of the material discharging pipe and the fan pipe to the other side, the support frame assembly below the material discharging box is provided with a second circular base 13, the second circular base is fixed on the grain harvester, one end of the lifting auger extending out of the material box simultaneously extends out of the central hole of the second circular base, the second circular base is connected with a second bearing seat through a lower support rod and a support rod seat 14, the support rod seat is fixedly connected with the second circular base, namely, one end of the lower support rod is connected with the second bearing seat, the other end of the lower support rod is inserted into the support rod seat, the support rod seat is a hollow pipe corresponding to the shape of the lower support rod, the head of the hollow pipe is provided with a C-shaped gap, and a clamp at the C-shaped gap locks the connection of the lower support rod and the support rod seat. And a fan frame 102 is arranged on the reinforcing rib 101 on one side of the material outlet box, and the fan is fixedly arranged in the fan frame on one side of the material outlet box.
According to the structural characteristics, as shown in fig. 9 and 10, an inner air pipe 17 is arranged above the rectangular cover opening of the lifting auger, the inner air pipe extends out of the second circular base of the material box and the support frame component along the side air pipe 502 with the outer diameter on one side of the lifting auger, the side air pipe extending out of the material box is connected with a fan through an air pipe, an upper cover 16 is arranged on the top of the material box, the fan pipe is omitted from the top of the material box, a cylinder cover 18 is arranged between a first bearing seat and a second bearing seat in the material box, a pipe orifice at one end of the inner air pipe is connected with the side air pipe of the lifting auger, a pipe orifice at the other end of the inner air pipe and the rectangular cover opening of the lifting auger extend out of the cylinder cover, and the auger seat extending out of the material box is flush with the bottom of the material box.
The peripheral surface, the bottom surface and the top cover of the outer diameter cylinder of the discharging box are respectively provided with a reinforcing rib, the reinforcing ribs, the upper support rods and the lower support rods are reinforcing steel bars, and the discharging box, the discharging pipe, the lifting auger, the fan pipe, the first circular ring base and the second circular ring base are steel plates or circular pipes. The discharge hole of the lifting auger in the discharge box is a rectangular cover opening, and the lifting auger is arranged on the second bearing seat through the bottom of the rectangular cover opening and extends out of the second bearing seat.
This ejection of compact separator is a around promoting screw feeder pivoted discharging device, and the device is installed on the promotion screw feeder of rice or wheat harvester, rotates around plumbous axle, and cooperation pipeline makes no matter where the harvester goes, can both carry the collection point of the distant place with the cereal that promotes the screw feeder and send out. The device comprises a discharging box, a support frame assembly, a bearing and the like, wherein the discharging box is cylindrical, reinforcing ribs are arranged on the periphery, the lower bottom surface and the cover of the outer wall of the discharging box, the bottom in the discharging box is inclined to enable grain materials to slide to the lowest part under the action of gravity, and a round hole and a discharging pipe are arranged at the lowest part and connected with a grain material conveying pipeline; the top of the material outlet box can also be provided with an upper cover which is round and is provided with an air pipe connected with a fan right facing the material outlet. Meanwhile, the centers of the top cover and the bottom surface of the discharging box are provided with circular ring structures matched with the bearing outer ring, steps are arranged for positioning the bearing outer ring, and the support frame assembly is fixed on the harvester body; the supporting frame assembly consists of a bearing seat, supporting rods and a circular ring base, wherein the upper bearing seat and the lower bearing seat are connected by a plurality of supporting rods, a plurality of supporting rods are arranged between the lower bearing seat and the circular ring base, and part of the supporting rods are inclined relative to the circular ring base for assembling the inclined lifting screw feeder; cooperating with a lifting auger. The bearing of upper and lower bearing frame chooses for use radial thrust bearing, installs on the bearing frame, and the bearing inner race location is given to the shoulder on the bearing frame, and the bearing is put on the support frame subassembly, and the support frame subassembly is all fixed on the harvester frame with the promotion screw feeder, and the relative support frame subassembly of ejection of compact box axis rotates, and above-mentioned upper bearing frame is first bearing frame, and it is first bearing to correspond the bearing, and the lower bearing frame is second bearing, and the bearing that corresponds is the second bearing.
When the device uses, the grain that threshes gets into in the ejection of compact box through promoting the screw feeder, under the effect of the suction wind of fan through the tuber pipe, inhales light weeds to the fan and blows off, no matter what position the ejection of compact box rotated, grain all can slide to the discharging pipe output of lowest position on falling to the inclined bottom surface under the action of gravity.
Claims (9)
1. A rotary discharging and separating device of a grain harvester is characterized in that a discharging box (1) of the discharging and separating device is cylindrical, a fan pipe (6) is arranged on one side of a top cover of the discharging box, a discharging pipe (2) is arranged at the bottom of the discharging box below the fan pipe, a lifting auger (5) extending out is arranged in the center of the discharging box, a spiral auger is arranged in the lifting auger, a fan (15) of the grain harvester is connected with the fan pipe outside the discharging box through an air pipe, and the discharging pipe of the discharging box is connected with a conveying device through a pipe fitting; it is characterized in that one end of a lifting screw feeder (5) in the discharging box (1) is provided with a discharging port (501), the other end of the lifting screw feeder extends out of the discharging box and also extends out of a support frame component, the lifting screw feeder is arranged on the discharging box through the support frame component, the lifting screw feeder is fixedly connected with the support frame component, one end of the support frame component in the discharging box is provided with a first bearing seat (8), the other end of the support frame component in the discharging box is provided with a second bearing seat (9), the inner ring of a first bearing (7) is in external diameter fit with the shaft sleeve of the first bearing seat, the outer ring of the first bearing is in interference fit with a flange seat (12) on the inner side of a top cover of the discharging box, the inner ring of the second bearing (10) is in external diameter fit with the shaft sleeve of the second bearing seat, the outer ring of the second bearing is in interference fit with a screw feeder seat (3) at the extending part of the lifting screw feeder in the discharging box, namely, the lifting screw feeder extends out of the discharging box through the screw feeder seat and the second bearing seat, the second bearing seat is provided with an elliptical hole with the same size as the lifting auger, one side of a discharge pipe (2) at one end part of the lifting auger in the discharge box is provided with an opened discharge port, the other end of the lifting auger extending out of the material box is provided with an end hole, and the end hole of the lifting auger is in spiral connection with grain outlet of the grain harvester; promote screw feeder (5) and set up in the center of support assembly, promote the screw feeder by discharging pipe (2) and fan pipe (6) one side to the opposite side slant stretch out magazine (1), the support assembly of ejection of compact box below is equipped with first ring base (11), first ring base is fixed in cereal harvester, the promotion screw feeder one end that stretches out the magazine stretches out from the centre bore of first ring base simultaneously, first ring base is connected with second bearing seat (9) through lower vaulting pole.
2. The rotary discharging and separating device of the grain harvester according to claim 1, characterized in that the first bearing seat (8) and the second bearing seat (9) of the support frame assembly are connected into a whole through an upper support rod, and sealing rings are respectively arranged between the outer ring of the first bearing seat and the flange seat (12) of the top cover of the discharging box (1) and between the outer ring of the second bearing seat and the auger seat (3).
3. The rotary discharging and separating device of the grain harvester according to claim 1, characterized in that the lifting auger (5) is arranged in the center of the supporting frame component, the lifting auger obliquely extends out of the material discharging pipe (2) and the fan pipe (6) from one side to the other side, the supporting frame component below the material discharging box is provided with a second circular base (13), the second circular base is fixed on the grain harvester, one end of the lifting auger extending out of the material discharging box simultaneously extends out of the central hole of the second circular base, the second circular base is connected with a second bearing seat (9) through a lower supporting rod and a supporting rod seat (14), the supporting rod seat is fixedly connected with the second circular base, namely one end of the lower supporting rod is connected with the second bearing seat, the other end of the lower supporting rod is inserted into the supporting rod seat, the supporting rod seat is a hollow pipe corresponding to the shape of the lower supporting rod, the head of the hollow pipe is provided with a C-shaped gap, the clamp at the C-shaped gap locks the connection of the lower support rod and the support rod seat.
4. The rotary discharging and separating device of the grain harvester according to claim 3, characterized in that the outer diameter cylindrical periphery, the bottom surface and the top cover of the discharging box (1) are respectively provided with a reinforcing rib (101), the reinforcing ribs, the upper stay bar and the lower stay bar are reinforcing steel bars, and the discharging box, the discharging pipe (2), the lifting screw (5), the fan pipe (6), the first circular base (11) and the second circular base (13) are steel plates or circular pipes.
5. The rotary discharging and separating device of the grain harvester according to claim 4, characterized in that a fan frame (102) is arranged on one side of the reinforcing rib (101) of the discharging box (1), and the fan (15) is fixedly arranged in the fan frame on one side of the discharging box.
6. The rotary discharging and separating device of the grain harvester according to claim 3, characterized in that the discharging port (501) of the lifting auger (5) in the discharging box (1) is a rectangular cover opening, and the lifting auger is arranged on the second bearing seat (9) through the bottom of the rectangular cover opening and extends out of the second bearing seat.
7. The rotary discharging and separating device of the grain harvester according to claim 6, characterized in that an inner air pipe (17) is arranged above the rectangular cover opening of the lifting auger (5), the inner air pipe extends out of the first circular base (11) or the second circular base (13) of the material box (1) and the support frame assembly along a side air pipe (502) with the outer diameter on one side of the lifting auger, the side air pipe extending out of the material box is connected with a fan (15) through an air pipe, an upper cover (16) is arranged on the top of the discharging box, the fan pipe (6) is omitted on the top of the discharging box, one end orifice of the inner air pipe is connected with the side air pipe of the lifting auger, and the auger seat (3) extending out of the material box is flush with the bottom of the discharging box.
8. The rotary discharge separating device of grain harvester according to claim 1, characterized in that the bottom plane of the discharge pipe (2) side of the discharge box (1) is inclined from the other side to the discharge pipe side.
9. The rotary discharge separating device of a grain harvester according to claim 1, characterized in that a cylinder cover (18) is arranged between the first bearing seat (8) and the second bearing seat (9) in the discharge box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171304.6A CN112514640B (en) | 2020-10-28 | 2020-10-28 | Rotary discharging separator of grain harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171304.6A CN112514640B (en) | 2020-10-28 | 2020-10-28 | Rotary discharging separator of grain harvester |
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| CN112514640A CN112514640A (en) | 2021-03-19 |
| CN112514640B true CN112514640B (en) | 2021-11-02 |
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