CN211831980U - Improved structure of transmission mechanism of corn thresher - Google Patents
Improved structure of transmission mechanism of corn thresher Download PDFInfo
- Publication number
- CN211831980U CN211831980U CN201922439799.5U CN201922439799U CN211831980U CN 211831980 U CN211831980 U CN 211831980U CN 201922439799 U CN201922439799 U CN 201922439799U CN 211831980 U CN211831980 U CN 211831980U
- Authority
- CN
- China
- Prior art keywords
- disc
- driving
- fixed
- transmission
- driven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Threshing Machine Elements (AREA)
Abstract
An improved structure of a transmission mechanism of a corn thresher relates to the technical field of agricultural machinery, a thresher drum (1) and a fan impeller (2) are connected with a power output device through a transmission device to obtain power, the transmission device comprises a power input shaft (3), a belt wheel (4), a transmission belt (5) and a transmission shaft (6) which are connected with the power output device, the transmission device also comprises a cone disk stepless speed change device provided with a driving cone disk (7) and a driven cone disk (8), the driving cone disk (7) is fixed on the power input shaft (3), the driven cone disk (8) is fixed on the rotating shaft of the thresher roller (1), the driving cone disk (7) is connected with the driven cone disk (8) through a cone disk transmission belt (9), the transmission ratio of the two conical disks is changed by controlling the distance between the two conical disks of the driving conical disk (7), so that the rotating speed of the threshing machine roller (1) is adjusted. It has the advantages of reasonable structural design, convenient use, good threshing effect and strong adaptability.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, concretely relates to adopt conical disc buncher to reform transform corn thresher drive mechanism.
Background
When the corn thresher is used for harvesting, the rotating speed of the thresher is generally selected according to different maturity degrees of corn cobs, whether the corn cobs are peeled and the dryness and wetness degrees, so that the corn kernels are prevented from being damaged at a high rate, and economic loss is caused. However, the existing threshing machine generally adopts a structure that a threshing machine roller is linked with a fan, when the rotating speed of the threshing machine roller changes, the rotating speed of the fan also changes correspondingly, so that the fan is influenced to a certain degree, the wind power changes along with the change, the change of the wind power directly influences the winnowing effect, and the final threshing and separating effect is influenced.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: aiming at the problems, an improved structure of a transmission mechanism of a corn thresher is provided.
The technical solution of the utility model is that: the improved structure of the transmission mechanism of the corn thresher comprises a thresher drum and a fan impeller, wherein the thresher drum and the fan impeller are connected with a power output device through a transmission device to obtain power, the transmission device comprises a power input shaft, a belt wheel, a transmission belt and a transmission shaft which are connected with the power output device, the transmission device also comprises a cone disc stepless speed change device provided with a driving cone disc and a driven cone disc, the driving cone disc is fixed on the power input shaft, the driven cone disc is fixed on a rotating shaft of the thresher drum, the driving cone disc is connected with the driven cone disc through the cone disc transmission belt, and the transmission ratio of the two cone discs is changed by controlling the distance between the two cone discs of the driving cone disc, so that the rotating speed of the thresher drum is adjusted.
The technical effects of the utility model are that: the threshing machine has the advantages of reasonable structural design, convenience in use, good threshing effect and strong adaptability, and when the corn cobs are harvested, the rotating speed of the roller of the threshing machine can be adjusted according to the maturity degree and the dry and wet degree of the corn cobs, while the rotating speed of the fan is not influenced. The rotating speed of the cylinder of the thresher can be regulated according to the condition of corn cobs to be threshed, the threshing rotating speeds of the corn cobs with husks and without husks are different, the maturing degree of the corn cobs is different from that of the threshing rotating speeds of the corn cobs with different degrees, and the rotating speed of the cylinder is regulated through the stepless speed change mechanism under the condition that the input power is not changed, so that the threshing requirements of various corn cobs are met.
Drawings
FIG. 1 is a schematic structural view of the present invention (universal joint is omitted in the figure);
FIG. 2 is a schematic cross-sectional structural view of the driving cone portion of the present invention;
FIG. 3 is a schematic structural view of the cone pulley stepless speed change device in a low-speed transmission state;
fig. 4 is a schematic structural view of the high-speed transmission state of the conical disk stepless speed change device of the present invention.
Detailed Description
As shown in fig. 1 to 4, the improved structure of the transmission mechanism of the corn thresher comprises a thresher drum 1 and a fan impeller 2, the thresher drum 1 and the fan impeller 2 are connected with a power output device through a transmission device to obtain power, the transmission device comprises a power input shaft 3 connected with the power output device, a belt wheel 4, a transmission belt 5 and a transmission shaft 6, the fan impeller 2 is connected with the power input shaft 3 through the transmission shaft 6, the belt wheel 4 and the transmission belt 5, the transmission device also comprises a cone disk stepless speed change device provided with a driving cone disk 7 and a driven cone disk 8, the driving cone disk 7 is fixed on the power input shaft 3, the driven cone disk 8 is fixed on the rotating shaft of the thresher roller 1, the driving cone disk 7 is connected with the driven cone disk 8 through a cone disk transmission belt 9, the transmission ratio of the two conical disks is changed by controlling the distance between the two conical disks of the driving conical disk 7, so that the rotating speed of the threshing machine roller 1 is adjusted.
The driving conical disc 7 comprises a driving disc fixed disc 10, a driving disc movable disc 11, a screw sleeve 12 and an adjusting wheel 13, the driving disc fixed disc 10 is fixed on the power input shaft 3, the driving disc movable disc 11 can be fixed on the power input shaft 3 in an axial sliding mode, external threads are arranged on the periphery of the screw sleeve 12, the screw sleeve 12 is sleeved on the power input shaft 3 and is connected with the power input shaft 3 in a relatively rotating mode through a bearing 14, the screw sleeve 12 is fixedly connected with a frame of the corn thresher and does not rotate along with the power input shaft 3, the adjusting wheel 13 is in threaded connection with the external threads of the screw sleeve 12, the adjusting wheel 13 abuts against the outer side of the driving disc movable disc 11 through a thrust bearing 15, the adjusting wheel 13 can change the axial displacement of the adjusting wheel on the power input shaft 3, and therefore the driving disc movable disc 11 is driven to change the distance between the driving disc movable disc 11 and the driving disc fixed disc 10.
The connection between the thread sleeve 12 and the adjusting wheel 13 is sleeved with a dust cover 16.
The dust cover 16 is a rubber cover.
The outer side of the screw sleeve 12 is also provided with a pressure pad 17 and a nut 18 on the power input shaft 3, the pressure pad 17 is connected with the screw sleeve 12 through a thrust bearing 15, and the nut 18 is screwed on the outer side of the pressure pad 17.
The driven conical disc 8 comprises a driven disc fixed disc 19 and a driven disc movable disc 20, the driven disc fixed disc 19 is fixed on a rotating shaft of the thresher drum 1, the driven disc movable disc 20 can be fixed on the rotating shaft of the thresher drum 1 in an axially sliding manner, a pressure spring 21 is connected to the outer side of the driven disc movable disc 20 in a propping manner, the pressure spring 21 is sleeved on the rotating shaft of the thresher drum 1, and the outer side of the pressure spring 21 is fixed through a spring pressure pad 22 and a nut 18.
The regulating wheel can be a hand wheel, and can be connected with a chain wheel or other transmission structures through manual regulation or a chain wheel or other transmission structures, and is connected with a driving device through the chain wheel, the chain or other transmission structures, so that the remote control in a cab is realized.
Claims (6)
1. An improved structure of a transmission mechanism of a corn thresher comprises a thresher drum (1) and a fan impeller (2), wherein the thresher drum (1) and the fan impeller (2) are connected with a power output device through a transmission device to obtain power, the transmission device comprises a power input shaft (3), a belt wheel (4), a transmission belt (5) and a transmission shaft (6) which are connected with the power output device, and the improved structure is characterized in that the transmission device also comprises a conical disc stepless speed change device which is provided with a driving conical disc (7) and a driven conical disc (8), the driving conical disc (7) is fixed on the power input shaft (3), the driven conical disc (8) is fixed on a rotating shaft of the thresher drum (1), the driving conical disc (7) is connected with the driven conical disc (8) through a conical disc transmission belt (9), the transmission ratio of the two conical discs is changed by controlling the distance between the two conical discs of the driving conical disc (7), thereby adjusting the rotating speed of the thresher drum (1).
2. The improved structure of the transmission mechanism of the corn thresher according to claim 1, characterized in that the driving conical disc (7) comprises a driving disc fixed disc (10), a driving disc movable disc (11), a screw sleeve (12) and an adjusting wheel (13), the driving disc fixed disc (10) is fixed on the power input shaft (3), the driving disc movable disc (11) can be fixed on the power input shaft (3) in an axially sliding manner, the periphery of the screw sleeve (12) is provided with external threads, the screw sleeve (12) is sleeved on the power input shaft (3) and is connected with the power input shaft in a relatively rotatable manner through a bearing (14), the screw sleeve (12) is fixedly connected with a frame of the corn thresher without rotating along with the power input shaft (3), the adjusting wheel (13) is screwed on the external threads of the screw sleeve (12), and the adjusting wheel (13) abuts against the outer side of the driving disc movable disc (11) through a thrust bearing (15), the axial displacement of the adjusting wheel (13) on the power input shaft (3) can be changed by rotating the adjusting wheel, so that the driving disk moving disk (11) is driven to change the distance between the driving disk moving disk (11) and the driving disk fixed disk (10).
3. The improved structure of the transmission mechanism of the corn thresher according to claim 2, characterized in that the connection between the silk sleeve (12) and the adjusting wheel (13) is externally sleeved with a dust cover (16).
4. The improved structure of the transmission mechanism of the corn thresher according to claim 3, characterized in that the dust cover (16) is a rubber cover.
5. The improved structure of the transmission mechanism of the corn thresher according to claim 2, characterized in that a pressure pad (17) and a nut (18) are further arranged on the power input shaft (3) outside the screw sleeve (12), the pressure pad (17) is connected with the screw sleeve (12) through a thrust bearing (15), and the nut (18) is screwed outside the pressure pad (17).
6. The improved structure of the transmission mechanism of the corn thresher according to claim 1 or 2, characterized in that the driven conical disc (8) comprises a driven disc fixed disc (19) and a driven disc movable disc (20), the driven disc fixed disc (19) is fixed on the rotating shaft of the thresher drum (1), the driven disc movable disc (20) is fixed on the rotating shaft of the thresher drum (1) in an axially sliding manner, a pressure spring (21) is abutted against the outer side of the driven disc movable disc (20), the pressure spring (21) is sleeved on the rotating shaft of the thresher drum (1), and the outer side of the pressure spring (21) is fixed through a spring pressure pad (22) and a nut (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922439799.5U CN211831980U (en) | 2019-12-30 | 2019-12-30 | Improved structure of transmission mechanism of corn thresher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922439799.5U CN211831980U (en) | 2019-12-30 | 2019-12-30 | Improved structure of transmission mechanism of corn thresher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211831980U true CN211831980U (en) | 2020-11-03 |
Family
ID=73208247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922439799.5U Active CN211831980U (en) | 2019-12-30 | 2019-12-30 | Improved structure of transmission mechanism of corn thresher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211831980U (en) |
-
2019
- 2019-12-30 CN CN201922439799.5U patent/CN211831980U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109168650B (en) | Threshing device, combine harvester with threshing device and control method | |
| CN108432471A (en) | A kind of adjustable longitudinal axial flow roller structure of threshing diameter | |
| CN108142110A (en) | A kind of adjustable threshing cylinder of cylinder-concave clearance | |
| BRPI0602448B1 (en) | torque sensor assembly for an agricultural machine, and agricultural machine | |
| CN211831980U (en) | Improved structure of transmission mechanism of corn thresher | |
| CN202444817U (en) | Winnowing-fan adjustable-speed drive device for combine harvesters | |
| CN109874513B (en) | Intelligent cleaning system and cleaning method | |
| CN206078158U (en) | Grain harvesters cleaning fan speed adjusting device | |
| CN201577312U (en) | Pitch adjustable stalk pulling and ear picking roller assembly of corn harvester | |
| CN110118189B (en) | Air quantity adjusting mechanism of cleaning fan of combine harvester | |
| CN106179562A (en) | A kind of household small-size Cereals Processing Machines rice huller paddy linkage adjustment mechanism | |
| CN207034108U (en) | One kind has grade adjustable straps wheel and a pulley tensioner | |
| CN204579192U (en) | A kind of harvester reel automatic speed governing device and grain header | |
| CN212589003U (en) | Loss control system for header of corn combine harvester | |
| CN112889498B (en) | Shredding device for silage harvester and silage harvester | |
| CN215087372U (en) | Rice huller | |
| CN208590282U (en) | A kind of shift drive mechanism of the threshing cylinder for crop harvester | |
| CN213548460U (en) | Threshing cylinder with adjustable threshing diameter and combine harvester | |
| CN209710745U (en) | Shredding mechanism before a kind of corn picker stalk | |
| CN201821690U (en) | Threshing nail-tooth drum type belt-driving clutch driving device of whole-feed combine harvester | |
| CN206354029U (en) | The coaxial adjustable speed fan of threshing cylinder | |
| CN112973832A (en) | Rice huller | |
| CN111837653A (en) | Threshing device with adjustable threshing diameter and combine harvester | |
| CN209180250U (en) | A kind of corn picker stem pulling roller bindiny mechanism with long service life | |
| CN208523232U (en) | A kind of grain harvester combine threshing cylinder stepless speed changing mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |