CN213368769U - Combined longitudinal axial flow roller of grain harvester - Google Patents
Combined longitudinal axial flow roller of grain harvester Download PDFInfo
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- CN213368769U CN213368769U CN202022281730.7U CN202022281730U CN213368769U CN 213368769 U CN213368769 U CN 213368769U CN 202022281730 U CN202022281730 U CN 202022281730U CN 213368769 U CN213368769 U CN 213368769U
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Abstract
The utility model discloses a grain harvester combination formula axis of ordinates flows cylinder, including cylinder axle subassembly, preceding awl section of thick bamboo, short ratch of threshing, long ratch of threshing. The roller shaft assembly comprises a roller shaft and a plurality of breadth discs sleeved on the roller shaft. The front cone comprises a cone body in a circular truncated cone shape and a spiral blade sleeved on the cone body, and the rear end of the cone body is fixedly connected with the front end of the roller shaft assembly. The short threshing toothed bar comprises a first toothed bar, a plurality of first toothed nails are fixed on the first toothed bar, and a rasp bar is fixed at the front end of the first toothed bar. The long threshing toothed bar comprises a second toothed bar, and a plurality of second toothed nails and V-shaped toothed nails are sequentially fixed on the second toothed bar from front to back. The short threshing toothed bars and the long threshing toothed bars are arranged at intervals along the circumferential direction of the breadth disc and are fixedly connected with the breadth disc. The utility model adopts the front end power input method, saves space, has good threshing effect and little grain damage.
Description
Technical Field
The utility model belongs to the field of agricultural machinery, concretely relates to grain harvester combination formula axis of ordinates flows cylinder.
Background
Threshing devices of grain harvesters are mainly divided into two forms: a tangential threshing cylinder and an axial threshing cylinder. Compared with the traditional tangential flow threshing cylinder, the axial flow threshing cylinder has the advantages of long crop threshing time, high threshing rate, strong separation capacity and better practicability for easy-threshing and difficult-threshing crops. Meanwhile, a huge straw shaker can be cancelled, so that the structure of the harvester is greatly simplified and compact. Therefore, axial flow threshing cylinders have been used more widely in recent years.
The axis of ordinates of present cereal harvester flows the cylinder and is mostly pure spike-tooth structure, adopts welded mode more to have the ratch of spike and the epaxial auxiliary disc fixed connection of drum, and the drive mode adopts the rear end drive. The connection and driving mode causes the labor for later maintenance, meanwhile, in the grain threshing process, the required power of the front end of the longitudinal axial flow roller, namely the feeding end, is larger than that of the rear end of the longitudinal axial flow roller, and the rear end driving is not beneficial to power distribution.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a grain harvester combination formula axis of ordinates stream drum, the utility model discloses a front end power input method, save space, it is effectual to thresh, and the corn is damaged fewly.
The utility model provides a technical scheme that the problem that its exists adopted is:
a combined longitudinal axial flow roller of a grain harvester comprises a roller shaft assembly, a front cone, a short threshing toothed bar and a long threshing toothed bar.
The roller shaft assembly comprises a roller shaft and a plurality of breadth discs sleeved on the roller shaft.
The front cone comprises a cone body in a circular truncated cone shape and a spiral blade sleeved on the cone body, and the rear end of the cone body is fixedly connected with the front end of the roller shaft assembly.
The short threshing toothed bar comprises a first toothed bar, a plurality of first toothed nails are fixed on the first toothed bar, and a rasp bar is fixed at the front end of the first toothed bar.
The long threshing toothed bar comprises a second toothed bar, and a plurality of second toothed nails and V-shaped toothed nails are sequentially fixed on the second toothed bar from front to back.
The short threshing toothed bars and the long threshing toothed bars are arranged at intervals along the circumferential direction of the breadth disc and are fixedly connected with the breadth disc.
Preferably, the front end of the roller shaft is fixedly provided with a mounting disc.
The breadth disc is divided into a front breadth disc, a middle breadth disc and a rear breadth disc, the front breadth disc is positioned at the rear end of the mounting disc, the rear breadth disc is fixed at the rear end of the roller shaft, and the plurality of middle breadth discs are uniformly distributed between the front breadth disc and the rear breadth disc.
Preferably, the diameter of the front end of the cylinder body is smaller than that of the rear end of the cylinder body, the front end of the cylinder body is provided with a front fixing plate, and the rear end of the cylinder body is provided with a rear fixing plate.
The front end of the roller shaft is inserted in the cylinder body, the mounting disc is fixedly connected with the front fixing plate, and the front breadth disc is fixedly connected with the rear fixing plate.
Preferably, round steel is fixed on the periphery of the blade, and a plurality of reinforcing ribs are arranged between the blade and the outer wall of the barrel.
Preferably, the circumferential surface of the middle breadth plate is internally provided with a concave groove, and the first rack bar and the second rack bar are clamped inside the concave groove.
The front ends of the first toothed bar and the second toothed bar are fixedly connected with the front breadth disc, and the rear ends of the first toothed bar and the second toothed bar are fixedly connected with the rear breadth disc.
The first rack bar is fixedly connected with the front breadth tray, the middle breadth tray and the rear breadth tray through a plurality of first fixing seats.
The second rack bar is fixedly connected with the front breadth plate, the middle breadth plate and the rear breadth plate through a plurality of second fixed seats.
Preferably, 1-3V-shaped toothed nails are fixed on the second toothed bar.
Preferably, the spacing distance between two adjacent first teeth pins is the same as the spacing distance between two adjacent second teeth pins.
The first teeth pins and the second teeth pins are arranged in a staggered mode.
Preferably, a reinforcing plate is fixed at the front end, the rear end or any end of the web disc, and the reinforcing plate is fixedly connected with the roller shaft.
Preferably, the front end of the front fixing plate is provided with a front sealing disc, and the rear end of the rear breadth disc is provided with a rear sealing disc.
And a driving device is fixed at the front end of the front sealing disc, and an output shaft of the driving device penetrates through the front sealing disc to be fixedly connected with the drum shaft.
The rear end of the rear sealing disk is fixed with a rear fixing shaft seat.
Preferably, the outer edge of the front sealing disc is folded backwards to form a flange, and the outer edge of the rear sealing disc is folded forwards to form a flange. The turn-ups cover of preceding sealed dish is located the front fixed plate outside, and the turn-ups cover of back sealed dish is located the back and is coiled the outside.
Compared with the prior art, the utility model discloses beneficial effect who has:
(1) the roller shaft assembly and the front cone, the short threshing toothed bar, the long threshing toothed bar and the roller shaft are all of detachable structures, and later maintenance is facilitated.
(2) The driving device is positioned at the front end, and the longitudinal axial flow roller adopts a front-end power input mode, so that the space is saved, and meanwhile, the power of the feeding end of the longitudinal axial flow roller is more abundant.
(3) The rear end of the long threshing toothed bar is provided with a V-shaped toothed nail, which is more beneficial to grass discharge.
(4) The blade outer fringe is fixed with the round steel, the effectual damage that has reduced to the cereal grain, and the cereal grain is damaged less or even does not have the damage.
(5) The rasp bar and the toothed nails act together, the toothed nails strike grains, and the rasp bar kneads the grains, optimizes the threshing effect of grains and is not easy to block.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a view of the appearance of a combined longitudinal axial flow drum of a grain harvester of the present invention,
figure 2 is a top view of the present invention,
figure 3 is a structural diagram of the roller shaft assembly of the utility model,
FIG. 4 is a structural view of the front cone of the present invention,
fig. 5 is a structural diagram of the short threshing toothed bar of the utility model.
In the figure, 1-roller shaft assembly, 101-roller shaft, 102-mounting disk, 103-front web disk, 104-middle web disk, 105-reinforcing plate and 106-rear web disk;
2-front cone cylinder, 201-cylinder body, 202-blade, 203-front fixing plate, 204-rear fixing plate, 205-round steel and 206-reinforcing rib;
3-short threshing toothed bar, 301-first toothed bar, 302-rasp bar, 303-first toothed nail and 304-first fixed seat;
4-long threshing toothed bar, 401-second toothed bar, 402-second toothed nail, 403-V-shaped toothed nail and 404-second fixed seat;
5-front sealing disc, 6-rear sealing disc, 7-driving device and 8-rear fixed shaft seat.
Detailed Description
The accompanying drawings illustrate a preferred embodiment of the combined longitudinal axial flow drum of the grain harvester, and the present invention will be described in further detail with reference to the accompanying drawings.
As shown in the attached drawings 1 and 2, the combined type longitudinal axial flow roller of the grain harvester comprises a roller shaft assembly 1, a front cone 2, a short threshing toothed bar 3, a long threshing toothed bar 4, a front sealing disc 5, a rear sealing disc 6, a driving device 7 and a rear fixing shaft seat 8.
As shown in fig. 3, the roller shaft assembly 1 includes a roller shaft 101, a plurality of width discs sleeved on the roller shaft 101, and a mounting disc 102 fixed at the front end of the roller shaft 101. The breadth discs are coaxial and fixedly connected with the roller shaft 101, and the spacing distance between every two adjacent breadth discs is the same.
The breadth discs are divided into a front breadth disc 103, a middle breadth disc 104 and a rear breadth disc 106, the front breadth disc 103 is positioned at the rear end of the mounting disc 102, the rear breadth disc 106 is fixed at the rear end of the drum shaft 101, and the plurality of middle breadth discs 104 are uniformly distributed between the front breadth disc 103 and the rear breadth disc 106.
The front end, the rear end or any end of the breadth disc is fixed with a reinforcing plate 105, the inner wall of the reinforcing plate 105 is fixedly connected with the roller shaft 101, and the side surface is fixedly connected with the breadth disc. The reinforcing plate 105 increases the contact area of the web disc with the drum shaft 101, making the web disc more firm.
As shown in fig. 4, the front cone 2 includes a truncated cone 201 and a spiral blade 202 sleeved on the cone 201. The diameter of the front end of the cylinder 201 is smaller than that of the rear end, the front end of the blade 202 is high, the rear end of the blade is low, and the space of the front end is large and the space of the rear end is small when materials are fed.
The front end of the cylinder 201 is provided with a front fixing plate 203, and the rear end is provided with a rear fixing plate 204. The front end of the roller shaft 101 is inserted into the cylinder 201, the mounting plate 102 is fixedly connected with the front fixing plate 203 through bolts, and the front disc 103 is fixedly connected with the rear fixing plate 204 through bolts.
As shown in fig. 5, the short threshing toothed bar 3 includes a first toothed bar 301, a plurality of first toothed nails 303 are uniformly distributed on the first toothed bar 301, and a rasp bar 302 is fixed at the front end of the first toothed bar 301.
The long threshing toothed bar 4 comprises a second toothed bar 401, wherein a plurality of second toothed nails 402 and 1-3V-shaped toothed nails 403 are sequentially fixed on the second toothed bar 401 from front to back, and the openings of the V-shaped toothed nails 403 face the second toothed bar 401.
The rasp bar 302 is used for rubbing and threshing the crops, the first toothed nails 303 and the second toothed nails 402 are used for beating the crops, and the straws and the grains are separated. The contact area of the V-shaped tooth nail 403 and crops is larger than that of the first tooth nail 303 and the second tooth nail 402, so that grass and straw arrangement is facilitated.
The circumference of the middle width disc 104 is internally provided with a groove, the first rack bar 301 and the second rack bar 401 are clamped in the groove, the groove can be an arc-shaped groove, and the first rack bar 301 and the second rack bar 401 can be clamped conveniently. The short threshing toothed bar 3 and the long threshing toothed bar 4 are arranged at intervals along the circumferential direction of the breadth disc.
The spacing distance between two adjacent first teeth 303 is the same as the spacing distance between two adjacent second teeth 402, and the first teeth 303 and the second teeth 402 are arranged in a staggered manner.
The front ends of the first rack bar 301 and the second rack bar 401 are fixedly connected with the front breadth disc 103, and the rear ends are fixedly connected with the rear breadth disc 104. The first rack 301 is fixed with first fixed seats 304 with the number equal to that of the width discs, and the first fixed seats 304 are fixedly connected with the front width disc 103, the middle width disc 104 and the rear width disc 106 through bolts; the second rack 401 is fixed with a second fixed seat 404 with the same number of width discs, and the second fixed seat 404 is fixedly connected with the front width disc 103, the middle width disc 104 and the rear width disc 106 through bolts.
The front end of the front fixing plate 203 is provided with a front sealing disc 5, and the rear end of the rear breadth disc 106 is provided with a rear sealing disc 6. The outer edge of the front sealing disk 5 is folded backwards to form a flange, and the outer edge of the rear sealing disk 6 is folded forwards to form a flange. The flanging sleeve of the front sealing disk 5 is arranged outside the front fixing plate 203, and the flanging sleeve of the rear sealing disk 6 is arranged outside the rear width disk 106.
In order to increase the contact area between the flange of the front sealing disk 5 and the front fixing plate 203, an annular convex edge is arranged forward on the outer edge of the front fixing plate 203, and the outer diameter of the convex edge is the same as the inner diameter of the flange of the front sealing disk 5. The turn-ups internal diameter of back sealed dish 6 is the same with back width of cloth dish 106 external diameter, takes place to rock when avoiding roller axle subassembly 1, preceding awl section of thick bamboo 2 to rotate. Meanwhile, the flanging of the front sealing disc 5 and the rear sealing disc 6 also play a role in sealing and clearing grass for wrapping the front fixing plate 203 and the rear breadth disc 106.
The front end of the front sealing disk 5 is fixedly provided with a driving device 7, and an output shaft of the driving device 7 penetrates through the front sealing disk 5 to be fixedly connected with the drum shaft 101. An output shaft of the driving device 7 drives the roller shaft 101 to rotate, and a rolling bearing is arranged between the output shaft of the driving device 7 and the front sealing disc 5. The driving device 7 is a reduction gear box, an input shaft of the driving device 7 is connected with a power assembly of the grain harvester through a synchronous belt, and the power assembly of the grain harvester transmits power to the driving device 7.
The rear end of the rear sealing disk 6 is fixed with a rear fixed shaft seat 8.
The driving device 7 and the front sealing disc 5 are mounted on the front side of the grain harvester frame to be supported, and the rear sealing disc 6 and the rear fixing shaft 8 are mounted on the rear side of the grain harvester frame to be supported.
When the grain harvester is used, the power assembly of the grain harvester transmits power to the driving device 7, and the driving device 7 drives the roller shaft assembly 1 and the front cone 2 to rotate. The material is fed through the front cone barrel 2, and is threshed under the action of the short threshing toothed bar 3 and the long threshing toothed bar 4, and the front sealing disk 5 and the rear sealing disk 6 do not rotate to seal and clear grass.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A combined longitudinal axial flow drum for a grain harvester, characterized by:
comprises a roller shaft component (1), a front cone (2), a short threshing toothed bar (3) and a long threshing toothed bar (4),
the roller shaft assembly (1) comprises a roller shaft (101) and a plurality of breadth discs sleeved on the roller shaft (101),
the front cone cylinder (2) comprises a cone-shaped cylinder body (201) and a spiral blade (202) sleeved on the cylinder body (201), the rear end of the cylinder body (201) is fixedly connected with the front end of the roller shaft assembly (1),
the short threshing toothed bar (3) comprises a first toothed bar (301), a plurality of first toothed nails (303) are fixed on the first toothed bar (301), a rasp bar (302) is fixed at the front end of the first toothed bar (301),
the long threshing toothed bar (4) comprises a second toothed bar (401), a plurality of second toothed nails (402) and V-shaped toothed nails (403) are sequentially fixed on the second toothed bar (401) from front to back,
the short threshing toothed bars (3) and the long threshing toothed bars (4) are arranged at intervals along the circumferential direction of the breadth disc and are fixedly connected with the breadth disc.
2. The combined longitudinal axial flow drum of a grain harvester according to claim 1, wherein:
a mounting disc (102) is fixed at the front end of the roller shaft (101),
the breadth disc is divided into a front breadth disc (103), a middle breadth disc (104) and a rear breadth disc (106), the front breadth disc (103) is positioned at the rear end of the mounting disc (102), the rear breadth disc (106) is fixed at the rear end of the drum shaft (101), and the plurality of middle breadth discs (104) are uniformly distributed between the front breadth disc (103) and the rear breadth disc (106).
3. The combined longitudinal axial flow drum of a grain harvester according to claim 2, wherein:
the diameter of the front end of the cylinder body (201) is smaller than that of the rear end, the front end of the cylinder body (201) is provided with a front fixing plate (203), the rear end is provided with a rear fixing plate (204),
the front end of the roller shaft (101) is inserted in the roller body (201), the mounting disc (102) is fixedly connected with the front fixing plate (203), and the front disc (103) is fixedly connected with the rear fixing plate (204).
4. A combined longitudinal axial flow drum for a grain harvester according to claim 1, 2 or 3, characterized in that:
round steel (205) are fixed on the periphery of the blade (202), and a plurality of reinforcing ribs (206) are arranged between the blade (202) and the outer wall of the barrel body (201).
5. A combined longitudinal axial flow drum of a grain harvester according to claim 2 or 3, characterized in that:
a groove is recessed in the circumferential surface of the middle breadth plate (104), the first rack bar (301) and the second rack bar (401) are clamped in the groove,
the front ends of the first rack bar (301) and the second rack bar (401) are fixedly connected with the front breadth disc (103), the rear ends are fixedly connected with the rear breadth disc (106),
the first rack bar (301) is fixedly connected with the front breadth plate (103), the middle breadth plate (104) and the rear breadth plate (106) through a plurality of first fixing seats (304),
the second rack bar (401) is fixedly connected with the front breadth plate (103), the middle breadth plate (104) and the rear breadth plate (106) through a plurality of second fixing seats (404).
6. The combined longitudinal axial flow drum of a grain harvester according to claim 5, wherein:
and 1-3V-shaped toothed nails are fixed on the second toothed bar (401).
7. The combined longitudinal axial flow drum of a grain harvester according to claim 1 or 2 or 3 or 6, characterized in that:
the spacing distance between two adjacent first teeth pins (303) is the same as the spacing distance between two adjacent second teeth pins (402),
the first pins (303) and the second pins (402) are arranged in a staggered manner.
8. The combined longitudinal axial flow drum of a grain harvester according to claim 7, wherein:
reinforcing plates (105) are fixed at the front end, the rear end or any end of the breadth disc, and the reinforcing plates (105) are fixedly connected with the roller shaft (101).
9. The combined longitudinal axial flow drum of a grain harvester according to claim 3, wherein:
the front end of the front fixing plate (203) is provided with a front sealing disc (5), the rear end of the rear breadth disc (106) is provided with a rear sealing disc (6),
the front end of the front sealing disc (5) is fixed with a driving device (7), the output shaft of the driving device (7) penetrates through the front sealing disc (5) to be fixedly connected with a drum shaft (101),
the rear end of the rear sealing disk (6) is fixed with a rear fixing shaft seat (8).
10. The combined longitudinal axial flow drum of a grain harvester according to claim 9, wherein:
the outer edge of the front sealing disk (5) is folded backwards to form a flange, the outer edge of the rear sealing disk (6) is folded forwards to form a flange,
the flanging of the front sealing disc (5) is sleeved outside the front fixing plate (203),
the flanging of the rear sealing disk (6) is sleeved outside the rear breadth disk (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022281730.7U CN213368769U (en) | 2020-10-14 | 2020-10-14 | Combined longitudinal axial flow roller of grain harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022281730.7U CN213368769U (en) | 2020-10-14 | 2020-10-14 | Combined longitudinal axial flow roller of grain harvester |
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| Publication Number | Publication Date |
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| CN213368769U true CN213368769U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022281730.7U Active CN213368769U (en) | 2020-10-14 | 2020-10-14 | Combined longitudinal axial flow roller of grain harvester |
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| CN (1) | CN213368769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113575118A (en) * | 2021-07-27 | 2021-11-02 | 农业农村部南京农业机械化研究所 | Air-assisted broad bean combine harvester |
| CN114846989A (en) * | 2022-06-15 | 2022-08-05 | 农业农村部南京农业机械化研究所 | Combine harvester suitable for harvesting multi-variety green manure crops |
-
2020
- 2020-10-14 CN CN202022281730.7U patent/CN213368769U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113575118A (en) * | 2021-07-27 | 2021-11-02 | 农业农村部南京农业机械化研究所 | Air-assisted broad bean combine harvester |
| CN114846989A (en) * | 2022-06-15 | 2022-08-05 | 农业农村部南京农业机械化研究所 | Combine harvester suitable for harvesting multi-variety green manure crops |
| CN114846989B (en) * | 2022-06-15 | 2023-08-25 | 农业农村部南京农业机械化研究所 | Combine harvester suitable for harvesting multiple green manure crops |
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