CN205266194U - Drive mechanism and seeder of seeder - Google Patents
Drive mechanism and seeder of seeder Download PDFInfo
- Publication number
- CN205266194U CN205266194U CN201520914070.8U CN201520914070U CN205266194U CN 205266194 U CN205266194 U CN 205266194U CN 201520914070 U CN201520914070 U CN 201520914070U CN 205266194 U CN205266194 U CN 205266194U
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- CN
- China
- Prior art keywords
- pulley
- transmission chain
- shift fork
- seed sower
- motion
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Abstract
The utility model relates to a drive mechanism and seeder of seeder, this drive mechanism includes the action wheel and follows the driving wheel, action wheel and driven taking turns to around being equipped with the driving chain, still include elasticity straining device, elasticity straining device includes support and extension spring, the support including the fixed part that is used for linking firmly with the frame of seeding frame and with fixed part articulated movable part, extension spring's both ends are connected with fixed part and movable part respectively, the fixed part of support rotates installs the leading wheel, the movable part rotates installs the take -up pulley, the take -up pulley, an inboard that lies in the driving chain in the leading wheel, another outside that is located the driving chain. The utility model discloses a nature straining device can the automatic adjustment driving chain the elasticity, need not adjust the joint number of driving chain, guarantee steadily reliability service of drive mechanism, improvement work efficiency.
Description
Technical field
The utility model relates to transmission rig and the seed sower of a kind of seed sower, belongs to crop seeding equipment technical field.
Background technology
The mechanical means widely used by peasant when seed sower is crop seeding, due to the planting requirement that different farm crop, different edatopes and each peasant are different, during usual crop seeding, application rate is different; Therefore, before sowing, it is necessary to regulate the application rate of seed sower.
The seed sower of farm crop comprises frame and transmission rig, at present, the transmission rig that the seed sower of farm crop uses is all chain primary transmission, as shown in Figure 1, the transmission rig of seed sower comprises motion-work wheel 11 and follow-up pulley 12, motion-work wheel and follow-up pulley all rotate and are assemblied in frame, motion-work wheel 11 is fixed on same wheel shaft with the land wheel of seed sower, the land wheel rotating band axis of a movable block and motion-work wheel 11 together rotate, follow-up pulley 12 is the multi-chain gear wheel combined by least two sprocket pieces, the diameter of each sprocket piece is different, follow-up pulley and motion-work wheel 11 are arranged with transmission chain 13. during use, by making transmission chain 13 sprocket piece different from follow-up pulley 12 coordinate, change the transmitting ratio of motion-work wheel and follow-up pulley, and then reach the demand of different seeding quantity. owing to different sprocket piece diameter is different, therefore often replacing sprocket piece just needs to adjust the joint number of transmission chain, so that transmission chain can tensioning, ensure that transmission chain stable drive is reliable, like this, just cause adjustment process complicated, bring great trouble to friend peasant, increase labour intensity, and have impact on working efficiency.
Summary of the invention
The purpose of this utility model is to provide the transmission rig of a kind of seed sower, often adjusts application rate and needs, in order to solve seed sower in prior art, the technical problem simultaneously adjusting transmission chain joint number. The purpose of this utility model also is to provide a kind of seed sower.
For achieving the above object, the utility model adopts following technical scheme:
The transmission rig of a kind of seed sower, comprise motion-work wheel and follow-up pulley, motion-work wheel and follow-up pulley are arranged with transmission chain, also comprise elastic tension mechanism, elastic tension mechanism comprises support and extension spring, support comprises the fixing portion for being connected and the movable portion hinged with fixing portion with the frame sowing frame, the two ends of extension spring are connected with fixing portion and activity portion respectively, the fixing portion of support is rotatablely equipped with guide deflection sheave, activity portion is rotatablely equipped with tightening pulley, an inner side being positioned at transmission chain in tightening pulley, guide deflection sheave, another is positioned at the outside of transmission chain.
Guide deflection sheave is positioned at the outside of transmission chain and is positioned at the lower section of motion-work wheel, and tightening pulley is positioned at the inner side of transmission chain and is positioned at the lower section of guide deflection sheave.
Described follow-up pulley comprises at least two sprocket pieces, is provided with the gearshift mechanism for stirring transmission chain between follow-up pulley and motion-work wheel.
Described gearshift mechanism comprises coil tension spring, for stirring the shift fork of transmission chain and the chute for being connected with the frame of seed sower, shift fork and chute guiding are slidably matched, one end of coil tension spring is for being connected with frame, the other end is connected with shift fork, and described shift fork can move along chute under the effect of coil tension spring.
Described shift fork is connected with manual draw bar.
A kind of seed sower, comprise frame and transmission rig, transmission rig comprises motion-work wheel and follow-up pulley, motion-work wheel and follow-up pulley are arranged with transmission chain, transmission rig also comprises elastic tension mechanism, elastic tension mechanism comprises support and extension spring, support comprises the fixing portion being connected with frame and the movable portion hinged with fixing portion, the two ends of extension spring are connected with fixing portion and activity portion respectively, the fixing portion of support is rotatablely equipped with guide deflection sheave, activity portion is rotatablely equipped with tightening pulley, tightening pulley, an inner side being positioned at transmission chain in guide deflection sheave, another is positioned at the outside of transmission chain.
Guide deflection sheave is positioned at the outside of transmission chain and is positioned at the lower section of motion-work wheel, and tightening pulley is positioned at the inner side of transmission chain and is positioned at the lower section of guide deflection sheave.
Described follow-up pulley comprises at least two sprocket pieces, is provided with the gearshift mechanism for stirring transmission chain between follow-up pulley and motion-work wheel.
Described gearshift mechanism comprises coil tension spring, for stirring the shift fork of transmission chain and the chute for being connected with the frame of seed sower, shift fork and chute guiding are slidably matched, one end of coil tension spring is for being connected with frame, the other end is connected with shift fork, and described shift fork can move along chute under the effect of coil tension spring.
Described shift fork is connected with manual draw bar.
Advantageous Effects of the present utility model is: the utility model arranges elastic tension mechanism, elastic tension mechanism comprises the support with fixing portion and activity portion, fixing portion is provided with guide deflection sheave, activity portion is provided with tightening pulley, and the frame of fixing portion and seed sower is connected, and activity portion and fixing portion are hinged, it is connected extension spring between activity portion with fixing portion, under the effect of extension spring, activity portion can around hinged joint rotation so that tightening pulley can loosen, tighten transmission chain. Transmission chain can be carried out tensioning by the elastic tension mechanism in the utility model, when the ratio changing of motion-work wheel and follow-up pulley, elastic tension mechanism can the degree of tightness of automatic adjusting transmission chain, do not need the joint number adjusting transmission chain, ensure that transmission rig can steady reliability service, it is to increase working efficiency.
As further improvement of the utility model, the utility model is provided with gearshift mechanism between follow-up pulley and motion-work wheel, transmission chain can be stirred by gearshift mechanism, transmission chain is subject to stirring of gearshift mechanism, change sprocket piece with matching, make motion-work wheel, the transmitting ratio of follow-up pulley change, easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the transmission rig of seed sower in prior art;
Fig. 2 is the structural representation of the embodiment 1 of the utility model seed sower;
Fig. 3 be the utility model seed sower embodiment 1 in the structural representation of elastic tension mechanism;
Fig. 4 be the utility model seed sower embodiment 1 in shift gears the structural representation of mechanism;
Fig. 5 is the right view of Fig. 4.
Embodiment
The embodiment 1 of the utility model seed sower, as Figure 2-Figure 5, seed sower comprises frame (not providing in figure), frame is provided with land wheel and transmission rig, transmission rig comprises motion-work wheel 1 and follow-up pulley 5, motion-work wheel 1 and follow-up pulley 5 rotate respectively and are assemblied in the frame of seed sower, wherein, motion-work wheel 1 coaxially arranges with the land wheel of seed sower and is connected with same wheel shaft, when the land wheel of seed sower rotates, driving motion-work wheel 1 to rotate together, follow-up pulley 5 is the tower sprocket wheel being made up of multiple sprocket piece, and the diameter of each sprocket piece is different. Being arranged with transmission chain 6 on motion-work wheel 1 and follow-up pulley 5, transmission chain 6 coordinates with one of them sprocket piece of follow-up pulley 5, and transmission chain coordinates from different sprocket pieces, and follow-up pulley is different from the transmitting ratio of motion-work wheel.
The transmission rig of seed sower also comprises elastic tension mechanism and gearshift mechanism 4, elastic tension mechanism comprises support and extension spring 10, support comprises the fixing portion 7 for being connected with the frame of seed sower and the movable portion 8 hinged with fixing portion 7, fixing portion 7 is articulated with hinged node 9 with activity portion 8, fixing portion 7 is rotatablely equipped with guide deflection sheave 2, activity portion 8 is rotatablely equipped with tightening pulley 3, guide deflection sheave 2 is positioned at the outside of transmission chain 6 and is positioned at the lower section of motion-work wheel 1, and tightening pulley 3 is positioned at the inner side of transmission chain and is positioned at the lower section of guide deflection sheave 2. One end of extension spring 10 is connected with fixing portion 7, and the other end is connected with activity portion 8, and activity portion 8 can rotate around hinged node 9 under the effect of coil tension spring 10. Gearshift mechanism 4 comprises coil tension spring 18, for stirring the shift fork 16 of transmission chain and the chute 14 for being connected with the frame of seed sower, one end of coil tension spring 18 is connected with the frame of seed sower, the other end is connected with shift fork 16, shift fork 16 one end is connected with slide block 15, shift fork 16 is slidably matched by slide block 15 and chute 14 guiding, and shift fork 16 can along chute guiding movement under the effect of coil tension spring 18. Shift fork 16 is connected with manual draw bar 17, shift fork 16 can be pulled by manual draw bar 17, make shift fork 16 move along chute and stir transmission chain.
When the land wheel of seed sower rotates, motion-work wheel drives follow-up pulley to rotate together, under the effect of elastic tension mechanism, makes transmission chain be in tensioning state, ensures the steady reliability service of transmission rig. In transmission rig operational process, pulling manual draw bar, make shift fork stir transmission chain, transmission chain meeting switching track, while transmission chain changes sprocket piece, elastic tension mechanism can loosen, tighten transmission chain automatically, ensures that transmission chain is in tensioning state all the time.
In other embodiments of the present utility model, gearshift mechanism can not be set; Guide deflection sheave can be positioned at the inner side of transmission chain, and tightening pulley is positioned at the outside of transmission chain; Tightening pulley can be arranged on the top of guide deflection sheave.
The embodiment of the transmission rig of the utility model seed sower, the structure of transmission rig is as above-mentioned, and for avoiding repetition, therefore not to repeat here.
Claims (10)
1. the transmission rig of a seed sower, comprise motion-work wheel and follow-up pulley, motion-work wheel and follow-up pulley are arranged with transmission chain, it is characterized in that: also comprise elastic tension mechanism, elastic tension mechanism comprises support and extension spring, support comprises the fixing portion for being connected and the movable portion hinged with fixing portion with the frame sowing frame, the two ends of extension spring are connected with fixing portion and activity portion respectively, the fixing portion of support is rotatablely equipped with guide deflection sheave, activity portion is rotatablely equipped with tightening pulley, tightening pulley, an inner side being positioned at transmission chain in guide deflection sheave, another is positioned at the outside of transmission chain.
2. the transmission rig of seed sower according to claim 1, it is characterised in that: guide deflection sheave is positioned at the outside of transmission chain and is positioned at the lower section of motion-work wheel, and tightening pulley is positioned at the inner side of transmission chain and is positioned at the lower section of guide deflection sheave.
3. the transmission rig of seed sower according to claim 1, it is characterised in that: described follow-up pulley comprises at least two sprocket pieces, is provided with the gearshift mechanism for stirring transmission chain between follow-up pulley and motion-work wheel.
4. the transmission rig of seed sower according to claim 3, it is characterized in that: described gearshift mechanism comprises coil tension spring, for stirring the shift fork of transmission chain and the chute for being connected with the frame of seed sower, shift fork and chute guiding are slidably matched, one end of coil tension spring is for being connected with frame, the other end is connected with shift fork, and described shift fork can move along chute under the effect of coil tension spring.
5. the transmission rig of seed sower according to claim 4, it is characterised in that: described shift fork is connected with manual draw bar.
6. a seed sower, comprise frame and transmission rig, transmission rig comprises motion-work wheel and follow-up pulley, motion-work wheel and follow-up pulley are arranged with transmission chain, it is characterized in that: transmission rig also comprises elastic tension mechanism, elastic tension mechanism comprises support and extension spring, support comprises the fixing portion being connected with frame and the movable portion hinged with fixing portion, the two ends of extension spring are connected with fixing portion and activity portion respectively, the fixing portion of support is rotatablely equipped with guide deflection sheave, activity portion is rotatablely equipped with tightening pulley, tightening pulley, an inner side being positioned at transmission chain in guide deflection sheave, another is positioned at the outside of transmission chain.
7. seed sower according to claim 6, it is characterised in that: guide deflection sheave is positioned at the outside of transmission chain and is positioned at the lower section of motion-work wheel, and tightening pulley is positioned at the inner side of transmission chain and is positioned at the lower section of guide deflection sheave.
8. seed sower according to claim 6, it is characterised in that: described follow-up pulley comprises at least two sprocket pieces, is provided with the gearshift mechanism for stirring transmission chain between follow-up pulley and motion-work wheel.
9. seed sower according to claim 8, it is characterized in that: described gearshift mechanism comprises coil tension spring, for stirring the shift fork of transmission chain and the chute for being connected with the frame of seed sower, shift fork and chute guiding are slidably matched, one end of coil tension spring is for being connected with frame, the other end is connected with shift fork, and described shift fork can move along chute under the effect of coil tension spring.
10. seed sower according to claim 9, it is characterised in that: described shift fork is connected with manual draw bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914070.8U CN205266194U (en) | 2015-11-17 | 2015-11-17 | Drive mechanism and seeder of seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914070.8U CN205266194U (en) | 2015-11-17 | 2015-11-17 | Drive mechanism and seeder of seeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205266194U true CN205266194U (en) | 2016-06-01 |
Family
ID=56050838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520914070.8U Expired - Fee Related CN205266194U (en) | 2015-11-17 | 2015-11-17 | Drive mechanism and seeder of seeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205266194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108012627A (en) * | 2017-11-28 | 2018-05-11 | 深圳市晟祥知识产权有限公司 | A kind of municipal works greening construction seeder |
-
2015
- 2015-11-17 CN CN201520914070.8U patent/CN205266194U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108012627A (en) * | 2017-11-28 | 2018-05-11 | 深圳市晟祥知识产权有限公司 | A kind of municipal works greening construction seeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20161117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |