CN201081885Y - Break ground root cutting knife in degraded grassland - Google Patents
Break ground root cutting knife in degraded grassland Download PDFInfo
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- CN201081885Y CN201081885Y CNU2007201494199U CN200720149419U CN201081885Y CN 201081885 Y CN201081885 Y CN 201081885Y CN U2007201494199 U CNU2007201494199 U CN U2007201494199U CN 200720149419 U CN200720149419 U CN 200720149419U CN 201081885 Y CN201081885 Y CN 201081885Y
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- cutter
- root
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- cut
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Abstract
The utility model relates to a working part of a ground breaking root cutter for improving the meadow degradation caused by hardening, namely a special ground breaking root cutter for the degraded meadow. The technical proposal comprises a cutter body, which is composed of a cutter body base (1) and a cutter tooth (2), which is connected with the cutter body base (1) in cutter tooth (2) in embedding mode. The thickness of the cutter body from the center to the edge is decreased along an arc line or an oblique line. A positioning hole (11) is arranged at the center of the cutter body base (1), and a mounting hole (12) and a pin hole (13) are positioned at the circumference of the cutter body case (1). A flute for arranging the cutter tooth (2) is installed around the cutter body base, the diameter of which is 200 to 300mm. A cutting edge curve of a cutting blade (21) of the cutter tooth (2) comprises a section of or a plurality of eccentric arcs or eccentric arcs and arcs. By using the utility model, which has convenient cutter tooth replacement and good sliding cutting performance, the grassland soil hardening layer with great compactness can be effectively broken and the crosswise root of the grass within the oil layer range of 150 to 350mm can be cut off.
Description
Technical field
The utility model relates to a kind of workpiece that is used to improve the root cutter that breaks ground of the grassland degeneration that causes because of hardening, and promptly a kind of degeneration grassland special use is broken ground and cut the root cutter, belongs to agricultural mechanical field.
Background technology
The numerous meadows of China, grassland, long-term do not have rest and take nourishing food to build up one's health recuperate overgrazed and domestic animal and trample and gnaw, and causes soil compaction serious, and consolidation is higher, and the layer depth that hardens reaches 150～250mm, and soil compactibility reaches 2.87～4.87kg/cm
3Particularly the horizontal rhizome of walking of perennial rhizome type gramineous forage grass such as sheep's hay is distributed in the soil layer of 100～200mm or darker place, and deep-rooted root system causes the gas permeability of soil to weaken, and water content and porosity descend, unit weight increases, and has greatly influenced output and the quality of herbage.Facts have proved, be to break ground and cut the root improvement and can promote tiller breeding and improve soil physico-chemical characteristic of herbage in the meadow of main vegetation for what cause degeneration because of hardening with rhizome type herbage.
Soil cultivation parts such as traditional mouldboard plow, no arm type colter, passive type cutting disc are difficult to break thick soil compaction layer, and required tractive force is bigger, cuts the root DeGrain.Use traditional rotary blade to cut root, easily cause the soil ridging after facility bury, turn over upturned soil, gather around phenomenons such as soil, big to soil disturbance, big to the grassland soil environmental disruption.A kind of anti-blocking cutting knife (application number: 200410025835.9) that is used for no-tillage seeding machine of Chinese patent application, be used to cut off stalk and the sowing and ditching that crops cover the face of land, arrangement kind of bed, this cutter is a workpiece of field-crop sowing, can't be used for grassland improvement, and the complicated difficult processing of blade curve.
Summary of the invention
The purpose of this utility model is to remedy present shortage specially at the defective of the soil cultivation parts of grassland land use, provide a kind of degeneration grassland that is used to improve the grassland degeneration that causes because of hardening to cut the root cutter with breaking ground, this cutter can be installed on the root cutter that breaks ground and use.
Comprise the cutter hub of being made up of cutter hub pedestal (1) and cutter tooth (2) in order to reach the technical scheme that the purpose of this utility model adopts, cutter tooth (2) is connected with cutter hub pedestal (1) in embedded mode, the cutter hub center to edge thickness along camber line or oblique line successively decrease.
Above-mentioned degeneration grassland is cut in the root cutter with breaking ground, cutter hub pedestal (1) is general tool rest, and its center is provided with locating hole (11), is circumferentially with installing hole (12) and pin-and-hole (13), cutter hub pedestal (1) is provided with the groove of cutter tooth (2) on every side, and the diameter of cutter hub pedestal (1) is 200-300mm.
Cut with breaking ground in the root cutter on above-mentioned degeneration grassland, and described cutter tooth (2) is made up of the cutting edge (21) and the knife back (22), and the blade curve of cutting edge (21) comprises one or more snippets eccentric arc or eccentric arc and circular arc; The knife back (22) is a straight line; Cutter tooth (2) has a plurality of, and their size and dimension is all identical, is evenly arranged in the cutter hub periphery.
Cut with breaking ground in the root cutter on above-mentioned degeneration grassland, the static slip cutting angle τ of described cutter tooth (2)
cBe 50-65 °; The length of cutter tooth (2) is 200-300mm, and the thickness of cutter tooth thinnest part is 4-8mm; Cutter tooth (2) is 10-18.
Cut with breaking ground in the root cutter on above-mentioned degeneration grassland, and the cutting edge (21) of cutter tooth (2) is a double-sided blade.
Cut with breaking ground in the root cutter on above-mentioned degeneration grassland, and described cutter tooth (2) material is a 65Mn steel modulation treatment, and the material of cutter hub pedestal (1) is a spheroidal graphite cast-iron.
The utility model is specifically designed to cuts root improvement deteriorate grassland, drive high speed rotating by driving cutter shaft during work, can break a narrow slit, effectively break the high grassland soil hardening layer of consolidation at the high grassland soil hardening layer of consolidation, no ridging, turn over upturned soil, gather around phenomenons such as soil, little to soil disturbance; Can reduce rainfall runoff, improve the soil water storage ability, improve the gas permeability of soil and water penetration; Can effectively cut off the horizontal rhizome of walking of herbage in the 150-350mm soil layer scope, promote the herbage breeding of tillering, and quicken old root and wear out that can satisfy breaks ground cuts the requirement of root improved process.
The beneficial effects of the utility model are, at the grassland soil circumstance complication, and the more situation of foreign material such as stone in the soil, the structural design of the single cutter tooth of this embedded installation is easily changed impaired cutter tooth; At the difference of cutting the root degree of depth, by the cutter tooth of can the insert different numbers of teeth of general tool rest and length; Blade curve uses one section circular arc of off-centre operation, can guarantee that cutter sliding cutting performance considered requirement easy to process simultaneously.
Description of drawings
Fig. 1 cuts the structural representation of root cutter for the utility model degeneration grassland with breaking ground;
Fig. 2 is the structural representation of cutter tooth of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
See Fig. 1, the root cutter is cut on the degeneration grassland with breaking ground, and cutter tooth 2 is connected to form cutter hub with embedded mode and cutter hub pedestal 1, the cutter hub center to edge thickness along camber line or oblique line successively decrease, crown is 292mm to the centre-to-centre spacing of cutter hub.Cutter hub pedestal 1 center is provided with the locating hole 11 of band keyway, and the installation groove is set around the cutter hub pedestal, by bolt hole 12 and pin-and-hole 13 cutter tooth 2 is installed.The diameter of cutter hub pedestal 1 is 240mm, and maximum ga(u)ge is 24mm, and material is the spheroidal graphite body of casting.
See Fig. 2, cutter tooth 2 size and dimensions are identical, are evenly arranged in the cutter hub periphery, and cutter tooth is made up of the cutting edge 21 and the knife back 22, and cutting edge 21 is the stack of one section eccentric arc and circular arc, and eccentric arc is that radius is a section of 238mm circular arc, and the knife back 22 is a straight line.The static slip cutting angle τ of cutter tooth 2
cChange between 64-56 ° along cutting edge.The length of cutter tooth 2 is 220mm, and cutter tooth thickness is carried out the transition to the 6mm of cutting edge part by the 11mm of root.Cutter tooth 2 numbers are 12.Cutter tooth 2 materials are 65Mn steel modulation treatment, and cutting edge 21 cutting edge thickness are 0.5-1.5mm, and sword face width degree is the double-sided blade of 12mm.Cutter tooth is embedded on the tool rest, is connected with tool rest by bolt hole 12 pin-and-holes 13.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. the root cutter is cut on a degeneration grassland with breaking ground, and comprises the cutter hub of being made up of cutter hub pedestal (1) and cutter tooth (2), it is characterized in that cutter tooth (2) is connected with cutter hub pedestal (1) in embedded mode, the cutter hub center to edge thickness along camber line or oblique line successively decrease.
2. the root cutter is cut on degeneration according to claim 1 grassland with breaking ground, it is characterized in that, the center of described cutter hub pedestal (1) is provided with locating hole (11), is circumferentially with installing hole (12) and pin-and-hole (13), and cutter hub pedestal (1) is provided with the groove that embeds cutter tooth (2) on every side; Described cutter tooth (2) is made up of the cutting edge (21) and the knife back (22), and the blade curve of cutting edge (21) comprises one or more snippets eccentric arc or eccentric arc and circular arc; The knife back (22) is a straight line.
3. the root cutter is cut on degeneration according to claim 1 and 2 grassland with breaking ground, it is characterized in that, the diameter of described cutter hub pedestal (1) is 200-300mm.
4. the root cutter is cut on degeneration according to claim 1 and 2 grassland with breaking ground, it is characterized in that, cutter tooth (2) has a plurality of, and their size and dimension is all identical, is evenly arranged in the cutter hub periphery.
5. the root cutter is cut on degeneration according to claim 1 and 2 grassland with breaking ground, it is characterized in that the static slip cutting angle τ of described cutter tooth (2)
cBe 50-65 °; The length of cutter tooth (2) is 200-300mm, and the thickness of cutter tooth thinnest part is 4-8mm.
6. the root cutter is cut on degeneration according to claim 1 and 2 grassland with breaking ground, it is characterized in that, cutter tooth (2) is 10-18.
7. the root cutter is cut on degeneration according to claim 1 and 2 grassland with breaking ground, it is characterized in that, the cutting edge (21) of cutter tooth (2) is a double-sided blade.
8. the root cutter is cut on degeneration according to claim 1 and 2 grassland with breaking ground, it is characterized in that, described cutter tooth (2) material is a 65Mn steel modulation treatment, and the material of cutter hub pedestal (1) is a spheroidal graphite cast-iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201494199U CN201081885Y (en) | 2007-06-01 | 2007-06-01 | Break ground root cutting knife in degraded grassland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201494199U CN201081885Y (en) | 2007-06-01 | 2007-06-01 | Break ground root cutting knife in degraded grassland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201081885Y true CN201081885Y (en) | 2008-07-09 |
Family
ID=39624346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201494199U Expired - Fee Related CN201081885Y (en) | 2007-06-01 | 2007-06-01 | Break ground root cutting knife in degraded grassland |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201081885Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589665B (en) * | 2009-07-09 | 2011-03-23 | 中国农业大学 | High efficiency lawn improving machine |
| CN103053245A (en) * | 2013-01-15 | 2013-04-24 | 中国农业大学 | Under-ground soil-up ditcher in root cutting ditch |
| CN104118058A (en) * | 2014-06-27 | 2014-10-29 | 冯政 | Mixer hopper refitting and use methods |
| CN105379466A (en) * | 2015-12-10 | 2016-03-09 | 中国农业大学 | Deteriorated grassland improvement method and tool |
| CN109892070A (en) * | 2019-04-17 | 2019-06-18 | 中国科学院地理科学与资源研究所 | A kind of furrow-opening cutter blade suitable for cobblestone intensity surface layer |
-
2007
- 2007-06-01 CN CNU2007201494199U patent/CN201081885Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589665B (en) * | 2009-07-09 | 2011-03-23 | 中国农业大学 | High efficiency lawn improving machine |
| CN103053245A (en) * | 2013-01-15 | 2013-04-24 | 中国农业大学 | Under-ground soil-up ditcher in root cutting ditch |
| CN103053245B (en) * | 2013-01-15 | 2015-10-21 | 中国农业大学 | One to cut in root ditch earthing grooving device under earth's surface |
| CN104118058A (en) * | 2014-06-27 | 2014-10-29 | 冯政 | Mixer hopper refitting and use methods |
| CN104118058B (en) * | 2014-06-27 | 2017-02-08 | 冯政 | Mixer hopper refitting method |
| CN105379466A (en) * | 2015-12-10 | 2016-03-09 | 中国农业大学 | Deteriorated grassland improvement method and tool |
| CN109892070A (en) * | 2019-04-17 | 2019-06-18 | 中国科学院地理科学与资源研究所 | A kind of furrow-opening cutter blade suitable for cobblestone intensity surface layer |
| CN109892070B (en) * | 2019-04-17 | 2023-09-05 | 中国科学院地理科学与资源研究所 | Ditching blade suitable for cobble intensive ground surface layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20120601 |