CN213784216U - Combine harvester - Google Patents
Combine harvester Download PDFInfo
- Publication number
- CN213784216U CN213784216U CN202022335197.8U CN202022335197U CN213784216U CN 213784216 U CN213784216 U CN 213784216U CN 202022335197 U CN202022335197 U CN 202022335197U CN 213784216 U CN213784216 U CN 213784216U
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- Prior art keywords
- cover
- combine harvester
- conveying part
- diameter gear
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Abstract
It is desirable to achieve a combine harvester that can reduce costs. The utility model discloses a combine has: a grain discharging device which is provided with a vertical conveying part (7) positioned at the rear of a grain box for storing grains and a horizontal conveying part connected with the upper end part of the vertical conveying part (7), and discharges the grains stored in the grain box to the outside; and a rotation driving mechanism (14) which can rotate the grain discharging device around the vertical axis of the vertical conveying part (7) between a storage posture that the horizontal conveying part is positioned above the grain box and a discharging posture that the horizontal conveying part extends to the outside of the machine body, wherein the rotation driving mechanism (14) is provided with: a large-diameter gear (17) provided so as to surround the outer peripheral portion of the vertical conveying section (7); a small-diameter gear (16) meshed with the large-diameter gear (17); and a drive motor (15) for rotationally driving the small-diameter gear (16), and further comprising a resin cover (19) for covering the periphery of the large-diameter gear (17).
Description
Technical Field
The utility model relates to a combine harvester.
Background
The combine harvester stores grains obtained by threshing harvested crops in a grain box, and is also provided with a grain discharging device for discharging the stored grains to the outside. The grain discharging device has a vertical conveying part positioned at the rear of the grain box and a horizontal conveying part connected with the upper end part of the vertical conveying part, and can rotate by a rotation driving mechanism with a driving motor and a gear. Conventionally, the periphery of the rotary drive mechanism is covered with a large metal cover.
However, according to this structure, since the cover is made of a large metal material, there is a disadvantage such as an increase in cost, and improvement is desired.
SUMMERY OF THE UTILITY MODEL
(problem to be solved by the utility model)
Here, it is desirable to cover the periphery of the rotation driving mechanism while reducing the cost.
(means for solving the problems)
The utility model discloses a combine's characterized in that has: a threshing device; a grain box arranged in a state of being transversely arranged with the threshing device and used for storing threshed grains; a grain discharging device comprises: a vertical conveying part positioned at the rear of the grain box and a horizontal conveying part connected with the upper end part of the vertical conveying part, and discharging the grains stored in the grain box to the outside; and a rotation drive mechanism capable of rotating the grain discharge device around a vertical axis of the vertical conveying part between a storage posture in which the horizontal conveying part is positioned above the grain box and a discharge posture in which the horizontal conveying part extends outward in the transverse direction of the machine body, the rotation drive mechanism comprising: a large-diameter gear provided so as to surround an outer peripheral portion of the vertical conveying section; a small-diameter gear meshed with the large-diameter gear; and a drive motor for rotationally driving the small-diameter gear, wherein the combine harvester further includes a resin cover for covering the periphery of the large-diameter gear.
According to the utility model discloses, the cover body is the small-size cover body around only covering rotary drive mechanism's big footpath gear, and is formed by resin material. That is, the cover body can be made of a resin material in a compact shape, thereby reducing the cost of the cover body.
In the present invention, it is preferable that a support extending upward from the body frame is provided behind the vertical conveying section, and the cover is supported by the support.
According to this structure, the cover body can be supported firmly by the support posts extending from the body frame.
In the present invention, it is preferable that a support member for supporting the drive motor is provided, and the cover is provided so as to straddle the support column and the support member, and the cover is supported by the support member.
According to this configuration, the cover is provided so as to straddle the support member and the support column having a large strength for supporting the drive motor, and is supported by the support member and the support column. As a result, the cover can be stably supported at 2 separate locations.
In the present invention, preferably, the cover body has a side surface and a lower surface formed so as to cover the entire circumference of the large diameter gear.
According to this configuration, since the cover covers the entire circumference of the large diameter gear, the large diameter gear is not exposed outward, and the operator does not touch the large diameter gear during cleaning and maintenance.
In the present invention, it is preferable that the cover body has a flat surface on a rear portion thereof, and the flat surface has at least one of a reflector and a sticker.
According to this configuration, the reflector or the sticker can be mounted in a state of being easily viewed from the outside by using the flat surface.
In the present invention, it is preferable that the cover has a left side cover located on the left side when viewed from the rear and a right side cover located on the right side when viewed from the rear.
According to this configuration, since the cover is divided into left and right parts, the cover is small and lightweight, and can be easily mounted.
Preferably, the combine harvester further includes a pillar extending upward from the body frame behind the longitudinal conveying portion, and the left side cover further includes a right side cover further includes a pillar extending to the right side from the rear view.
According to this configuration, the left cover and the right cover are disposed on the left and right sides of the stay, respectively, so that the end portions of the left and right covers can be stably supported by the stay.
Drawings
Fig. 1 is a top view of a combine harvester.
Fig. 2 is a rear view of the grain discharge device.
Fig. 3 is a rear view of the rotary drive device.
Fig. 4 is a side view of the rotary drive device.
Fig. 5 is a cross-sectional view taken along line V-V of fig. 4.
Fig. 6 is a sectional view taken along line VI-VI of fig. 4.
Description of the reference numerals
2: threshing device
3: grain box
6: grain discharging device
7: longitudinal conveying part
8: horizontal conveying part
9: support post
11: frame of machine body
14: rotary driving mechanism
15: driving motor
17: gear wheel
18: support member
19: cover body
19L: left side cover body
19R: right cover body
28: flat surface
29: a reflector.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In the following description, the direction of arrow "F" is "front side of the body," the direction of arrow "B" is "rear side of the body" (see fig. 1, 4, 5, and 6), the direction of arrow "L" is "left side of the body," and the direction of arrow "R" is "right side of the body" (see fig. 1, 2, 3, 5, and 6).
Fig. 1 is a plan view of a general type combine harvester. The combine harvester has a harvesting part 1 for harvesting vertical grain stalks in the front part of the machine body, and has: a threshing device 2 for threshing the harvested crops; and a grain box 3 for storing the threshed grains. A driving part 4 is provided in front of the grain tank 3, a conveying device 5 is provided in front of the threshing device 2, and the conveying device 5 conveys the crops harvested by the harvesting part 1 to the threshing device 2. And a grain discharging device 6 for discharging the grains stored in the grain box 3 to the outside. The grain discharging device 6 includes: a vertical conveying part 7 which is arranged at the rear part of the grain box 3; and a horizontal conveying unit 8 connected to the upper end of the vertical conveying unit 7. The vertical conveying section 7 and the horizontal conveying section 8 are each constituted by a spiral conveyor.
As shown in fig. 1, the grain discharging device 6 is capable of being operated to rotate about the vertical axis Y of the vertical conveying unit 7 between a storage posture (see fig. 1) in which the horizontal conveying unit 8 is positioned above the grain tank 3 and a discharge posture (not shown) in which the horizontal conveying unit 8 extends outward in the lateral direction of the machine body.
As shown in fig. 2, a rear pillar 9 is provided behind the longitudinal conveying section 7. The vertical conveying unit 7 has a left column 10 on the left side. The rear pillar 9 and the left pillar 10 are provided extending upward from the body frame 11. The holding members 12 and 13 that rotatably hold the vertical conveying unit 7 in a state of being surrounded from the outside are provided at positions separated in the vertical direction. The upper and lower holding members 12, 13 are fixed to the rear pillar 9 and the left pillar 10.
A rotary drive mechanism 14 capable of rotating the grain discharging device 6 between the storage posture and the discharging posture is provided in the vicinity of the lower holding member 13 and on the outer periphery of the vertical conveying part 7. As shown in fig. 3 to 6, the rotation drive mechanism 14 includes: a drive motor 15; a small-diameter gear 16 attached to a downward rotation shaft 15a of the drive motor 15; and a large-diameter gear 17 provided in a state of meshing with the small-diameter gear 16 and fixed to the outer peripheral surface of the vertical conveying unit 7 so as to be integrally rotatable.
The vertical conveying unit 7 and the horizontal conveying unit 8 can be rotated about the vertical axis Y by the power of the drive motor 15 via the small-diameter gear 16 and the large-diameter gear 17. The drive motor 15 is supported by a plate-like motor support base 18 as a support member. The motor support base 18 is supported in a state fixed to the lower holding member 13.
Further, a cover 19 made of resin is provided to cover the periphery of the large diameter gear 17. The cover 19 includes a left cover 19L located on the left side when viewed from the rear and a right cover 19R located on the right side when viewed from the rear. The left cover 19L is provided on the left side of the rear pillar 9 when viewed from the rear, and the right cover 19R is provided on the right side of the rear pillar 9 when viewed from the rear.
The cover 19 spans the rear pillar 9 and the motor support table 18. As shown in fig. 5, the inner peripheral side of the motor support base 18 is integrally fixed in a state of abutting along the outer peripheral portion of the lower holding member 13. The drive motor 15 is supported by being placed on a portion extending outward of the motor support base 18.
The cover 19 has a side surface 20 and a lower surface 21 so as to cover the entire circumference of the large diameter gear 17. As shown in fig. 4 and 6, the right cover 19R extends from a position corresponding to the right side surface 9a of the rear pillar 9 to the left end of the drive motor 15 through a position of the motor support base 18 located below the drive motor 15.
As shown in fig. 4, the side surface 20R of the right cover 19R is formed to have a wide rear side and a narrow front side. The front side of the side surface 20R is disposed to enter the lower side of the motor support table 18. The lower surface 21R of the right cover 19R extends from a position corresponding to the right surface of the rear pillar 9, and the inner end edge is provided in a state of extending in an arc shape close to the outer peripheral portion of the vertical conveying unit 7. The right cover 19R covers the outer peripheral side and the lower side of the right half of the large-diameter gear 17.
The outer shape of the left cover 19L is slightly different from that of the right cover 19R, but is substantially the same as that of the right cover 19R, and forms a side surface 20L and a lower surface 21L. The left cover 19L covers the outer peripheral side and the lower side of the left half of the large-diameter gear 17. The upper side of the large-diameter gear 17 is covered by the motor support base 18 and the lower holding member 13.
As shown in fig. 3, 4, and 5, an upper bracket 22 in a vertical posture is integrally fixed to the right end of the motor support base 18. Lower brackets 23 and 24 projecting downward are integrally fixed to the lower surface side of the motor support base 18 at a position below the drive motor 15 and at a position on the left side of the drive motor 15. As shown in fig. 3 and 6, rear brackets 25 and 26 are fixed to the right and left side surfaces of the rear pillar 9, respectively.
The rear left end of the right cover 19R is bolted to the right rear bracket 26. The front-rear direction intermediate portion of the right cover 19R is bolted to the upper bracket 22. The front portion of the right cover 19R is bolted to the lower bracket 24.
As shown in fig. 6, the rear right end of the left cover 19L is bolted to the left rear bracket 25. The front-rear direction intermediate portion of the left side cover 19L is bolted to an extension bracket 27 extending from the lower holding member 13. The front portion of the left cover 19L is bolted to the lower bracket 23.
A flat surface 28 is formed at the rear of the cover 19. The flat surface 28 includes at least one of a reflector and a sticker. As shown in fig. 2, 3, and 6, the left side cover 19L and the right side cover 19R each have a flat surface 28 formed at the rear. The flat surface 28 is formed in a vertical posture in a state of facing rearward. A reflector 29 is attached to the flat surface 28 of the left side cover 19L. The right cover 19R can have stickers with product descriptions, notes, and the like, for example, in a stuck state. The reflector 29 and the poster can be provided in a state of being easily viewed from the rear by using a part of the cover 19.
(other embodiments)
(1) In the above embodiment, the flat surface 28 is formed at the rear part of the cover 19, and at least one of the reflector 29 and the poster is provided on the flat surface 28, but another member may be provided on the flat surface, or no member may be provided. The flat surface 28 may not be provided.
(2) In the above embodiment, the support posts 9 extending upward from the body frame 11 are provided behind the longitudinal conveying unit 7, and the cover 19 is supported by the support posts 9, but instead of this configuration, the cover 19 may be supported by a frame extending from the threshing device 2.
(3) In the above embodiment, the cover 19 has the left cover 19L and the right cover 19R, but instead of this configuration, it may be configured by one cover integrally connected.
(4) In the above embodiment, the cover 19 is provided so as to straddle the rear pillar 9 and the motor support base 18, and the cover 19 is supported by the motor support base 18, but instead of this configuration, the cover 19 may be supported only by the pillar 9.
(availability in industry)
The utility model can be suitable for a semi-feeding combine harvester besides a common combine harvester.
Claims (10)
1. A combine harvester is characterized in that,
comprising: a threshing device;
a grain box arranged in a state of being transversely arranged with the threshing device and used for storing threshed grains;
a grain discharging device which is provided with a vertical conveying part positioned at the rear of the grain box and a horizontal conveying part connected with the upper end part of the vertical conveying part and discharges grains stored in the grain box to the outside; and
a rotation driving mechanism capable of rotating the grain discharging device around the vertical axis of the vertical conveying part between a storage posture that the horizontal conveying part is positioned above the grain box and a discharging posture that the horizontal conveying part extends to the outside of the machine body,
the rotary drive mechanism includes: a large-diameter gear provided so as to surround an outer peripheral portion of the vertical conveying section; a small-diameter gear meshed with the large-diameter gear; and a drive motor for rotationally driving the small-diameter gear,
the combine harvester further comprises a cover body made of resin and covering the periphery of the large-diameter gear.
2. A combine harvester according to claim 1,
a support column extending upward from the body frame is provided behind the vertical conveying part,
the cover is supported by the support.
3. A combine harvester according to claim 2,
has a support member for supporting the drive motor,
the cover is provided in a state of being straddled over the stay and the support member,
the cover is supported by the support member.
4. A combine harvester according to any one of claims 1-3,
the cover body has a side surface and a lower surface so as to cover the entire circumference of the large-diameter gear.
5. A combine harvester according to any one of claims 1-3,
a flat face is provided at the rear of the cover,
the flat surface has at least one of a reflector and a sticker.
6. A combine harvester according to claim 4,
a flat face is provided at the rear of the cover,
the flat surface has at least one of a reflector and a sticker.
7. A combine harvester according to claim 1,
the cover has a left side cover located on the left side when viewed from the rear and a right side cover located on the right side when viewed from the rear.
8. A combine harvester according to claim 7,
a support column extending upward from the body frame is provided behind the vertical conveying part,
the combine harvester also has the left side cover body on the left side of the pillar when viewed from the rear,
there is also the right side cover to the right side of the strut when viewed from behind.
9. A combine harvester according to claim 2,
the cover has a left side cover located on the left side when viewed from the rear and a right side cover located on the right side when viewed from the rear.
10. A combine harvester according to claim 9,
a support column extending upward from the body frame is provided behind the vertical conveying part,
the combine harvester also has the left side cover body on the left side of the pillar when viewed from the rear,
there is also the right side cover to the right side of the strut when viewed from behind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022335197.8U CN213784216U (en) | 2020-10-20 | 2020-10-20 | Combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022335197.8U CN213784216U (en) | 2020-10-20 | 2020-10-20 | Combine harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213784216U true CN213784216U (en) | 2021-07-27 |
Family
ID=76960006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022335197.8U Active CN213784216U (en) | 2020-10-20 | 2020-10-20 | Combine harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213784216U (en) |
-
2020
- 2020-10-20 CN CN202022335197.8U patent/CN213784216U/en active Active
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| GR01 | Patent grant |