CN204539724U - A kind of rotavator knife - Google Patents
A kind of rotavator knife Download PDFInfo
- Publication number
- CN204539724U CN204539724U CN201520144268.2U CN201520144268U CN204539724U CN 204539724 U CN204539724 U CN 204539724U CN 201520144268 U CN201520144268 U CN 201520144268U CN 204539724 U CN204539724 U CN 204539724U
- Authority
- CN
- China
- Prior art keywords
- knife
- blade
- utility
- handle
- model
- 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.)
- Expired - Fee Related
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- Soil Working Implements (AREA)
Abstract
The utility model relates to a kind of rotavator knife, it comprises handle of a knife and blade, and described handle of a knife and blade are one, and described shank end is provided with installing hole, described handle of a knife and two described blades form " people " font, and two described knife edge included angle α are 30 ° ~ 35 °.Rotovator herringbone cutter of the present utility model replaces original stubble-cleaning tulwar, can better shred stalk, stubble-cleaning.
Description
Technical field
The utility model relates to agricultural machinery technological field, particularly relates to a kind of rotavator knife.
Background technology
" 7 " word tulwar that double-shaft rotary cultivator in the market uses can only stubble-cleaning and rotary tillage, because stalk is be always with the direction of tractor afterwards, and " 7 " tulwar is because transverse deflection is inadequate, so the chopping scarce capacity to stalk, and transverse deflection can make tulwar have to cut the earth backward, form soil volume, cause advance resistance.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of cutting stalk better effects if, can not be formed soil volume " people " font rotavator knife.
The utility model adopts following technical scheme to realize: the utility model comprises handle of a knife and blade, described handle of a knife and blade are one, described shank end is provided with installing hole, and described handle of a knife and blade form " people " font, and two described knife edge included angle α are 30 ° ~ 35 °.
The beneficial effect adopting technique scheme to produce is: rotovator of the present utility model " people " word cutter replaces original " 7 " word tulwar, described blade due to overwhelm after stalk have certain angle, so just can effectively shred stalk, stubble-cleaning, also eliminate the soil volume formed in the work of " 7 " word tulwar, decrease advance resistance, reduce oil consumption.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
1. handle of a knife 2. blade 3. installing hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.
As shown in Figure 1, the utility model comprises handle of a knife 1 and blade 2, described handle of a knife 1 and blade 2 are one, described handle of a knife 2 top is provided with installing hole, installing hole is conveniently connected with the rotating shaft of rotovator, and handle of a knife 1 and blade 2 form " people " font, and described blade angle α is 30 ° ~ 35 °, if α is excessive, be easy to the fracture causing blade; If α is too small, can cause again the problem of the chopping scarce capacity to weeds and stalk, through facts have proved, when α is 30 ° ~ 35 °, chopping result is best.
When the utility model uses, handle of a knife 1 is fixed on rotary tiller shaft through installing hole 3 by bolt.
Claims (1)
1. a rotavator knife, it is characterized in that: it comprises handle of a knife (1) and blade (2), described handle of a knife (1) and blade (2) are one, described handle of a knife (1) top is provided with installing hole (3), described handle of a knife (1) and two described blades (2) form " people " font, and two described blade (2) angle α are 30 ° ~ 35 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520144268.2U CN204539724U (en) | 2015-03-15 | 2015-03-15 | A kind of rotavator knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520144268.2U CN204539724U (en) | 2015-03-15 | 2015-03-15 | A kind of rotavator knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204539724U true CN204539724U (en) | 2015-08-12 |
Family
ID=53814920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520144268.2U Expired - Fee Related CN204539724U (en) | 2015-03-15 | 2015-03-15 | A kind of rotavator knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204539724U (en) |
-
2015
- 2015-03-15 CN CN201520144268.2U patent/CN204539724U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20180315 |