CN107960162A - A kind of breaking hack knife - Google Patents
A kind of breaking hack knife Download PDFInfo
- Publication number
- CN107960162A CN107960162A CN201711312536.7A CN201711312536A CN107960162A CN 107960162 A CN107960162 A CN 107960162A CN 201711312536 A CN201711312536 A CN 201711312536A CN 107960162 A CN107960162 A CN 107960162A
- Authority
- CN
- China
- Prior art keywords
- blade
- breaking
- hack
- loosing shovel
- deep soil
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
- A01B35/18—Other machines for working soil not specially adapted for working soil on which crops are growing with both rotating and non-rotating tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
- A01B35/20—Tools; Details
- A01B35/22—Non-rotating tools; Resilient or flexible mounting of rigid tools
- A01B35/26—Rigid tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
- A01B35/20—Tools; Details
- A01B35/28—Rotating tools; Mounting rotating tools
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Road Repair (AREA)
Abstract
A kind of breaking hack knife, belongs to agricultural machinery farming field.The purpose of the present invention is by by analyzing field Subsoiler, designing a kind of breaking hack knife for coordinating deep soil loosing shovel operation.The present invention is made of breaking blade (IV), hack bar (II) two parts.It is characterized in that blade cutting edge curve (L) by least radius (Rmin) 180mm through maximum radius (Rmax) 235mm to middle radius (R) 215mm；When cutting radical operators, blade curve angle with horizontal plane (W) excursion is 10~70 °；Blade maximum radius edge and deep soil loosing shovel minimum distance are 20mm during installation supporting with deep soil loosing shovel；18 hack bars (II) are uniformly distributed on blade edge 80mm (H), radial direction.In addition the design of through hole (I) and through hole (III) can coordinate installation with bearing holder (housing, cover) and column on blade, form reciprocal effects with deep soil loosing shovel, can effectively reduce resistance, achieve the purpose that breaking hack.
Description
Technical field
The invention belongs to agricultural machinery technological field, and in particular to a kind of breaking hack knife.
Background technology
After subsoiler is to no-tillage seeding area subsoiling land preparation, earth's surface there are root soil combination residual larger, soil block residual compared with
The problems such as big.Breaking hack knife is installed in front of subsoiler and carries out tillage operation, root soil combination can be effectively cut, reduce soil
Block size, the degree of consolidation for reducing soil.It can increase equipment passability by breaking hack, improve efficiency of water application, improve
Crop root growth environment, is conducive to the growth and development of crop root, while shortens the puberty at crop initial stage, therefore can be big
Amplitude increases the yield of crop.Existing stubble breaking knife is installed on combine more, when carrying out breaking operation, is often individually made
Industry, excessive there are tillage resistance, root soil combination, soil block remain the problems such as larger.Therefore by the rational design to stubble breaking knife,
Tillage resistance and broken residual soil block are reduced, the energy-saving consumption-reducing and sowing environment permeability for machinery have important meaning.
The content of the invention
The purpose of the present invention is by analyzing field Subsoiler, design a kind of breaking for coordinating deep soil loosing shovel (VII) operation
Hack knife, root soil combination residual is larger larger with soil block residual during solving the problems, such as Subsoiler.
To solve above-mentioned technical problem, the present invention can realize by following technical solution：A kind of breaking hack
Knife, including breaking blade (IV), hack bar (II).It is characterized in that blade curve (L) angle with horizontal plane when cutting root stubble
(W) excursion is 10~70 °；It is nearest with blade maximum radius (Rmax) edge during deep soil loosing shovel (VII) supporting installation and deep soil loosing shovel
Distance (X) is 20mm；Apart from blade edge 80mm, 18 hack bars (II) are uniformly distributed on radial direction.
Breaking hack edge curve (L) effect is that the power applied with deep soil loosing shovel (VII) to root stubble forms reciprocal effects
Root stubble is cut, blade curve (L) angle with horizontal plane (W) excursion when cutting radical operators is 10~70 °, it is therefore an objective to
Increase sliding cutting effect when forming reciprocal effects with deep soil loosing shovel (VII) applying power.Breaking hack knife and deep soil loosing shovel (VII) supporting installation
When blade maximum radius (Rmax) edge and deep soil loosing shovel (VII) minimum distance (X) be 20mm, it is compound to ensure that stubble breaking knife cuts root soil
Deep soil loosing shovel (VII) can apply corresponding power to radical operators during body.It is uniformly distributed on blade edge 80mm, radial direction
18 hack bars (II) that radius is 8mm, length (B) is 64mm, it is therefore an objective to crushed to soil block.
The beneficial effect of the invention is：For design breaking hack knife, choose deep soil loosing shovel (VII) field Subsoiler into
Row High-speed Photography Analysis, probes into effect of the deep soil loosing shovel to radical operators.Active force side according to deep soil loosing shovel to radical operators
To obtaining the blade curve shape of breaking hack knife, make direction and deep soil loosing shovel of the breaking hack knife to radical operators tangential force
(VII) interaction is formed to the force direction of radical operators, increases sliding cutting effect, and the design of hack bar, can be effective
Soil block is crushed, achievees the purpose that to reduce tillage resistance and broken residual soil block.
Brief description of the drawings
Fig. 1 is the schematic diagram of structure of the present invention.
Fig. 2 is the left view of Fig. 1 of the present invention.
Fig. 3 is the present invention and the cooperation installation diagram of deep soil loosing shovel.
Embodiment
Technical scheme is further illustrated below in conjunction with the accompanying drawings.A kind of breaking hack knife, by breaking blade
(IV), hack bar (II) two parts form.Wherein on blade (IV), on blade edge 80mm (H), radial direction uniformly
Distribution radius is 18 through holes of 8mm；Radius is that 6 through holes that cloth radius is 3.5mm are uniformly distributed on the circumference of 43.5mm
(Ⅰ)；Blade center is the through hole (III) that radius is 37.5mm；Blade cutting edge curve is by least radius (Rmin) 180mm through maximum
Radius (Rmax) 235mm to middle radius (R) 215mm；Blade thickness (S) is 4mm, and blade quenching treatment, hack bar is through partly
18 through holes that footpath is 8mm are welded with blade symmetry.Breaking hack knife and blade maximum radius during deep soil loosing shovel (VII) supporting installation
(Rmax) edge and deep soil loosing shovel (VII) minimum distance (X) are 20mm, ensure that with horizontal plane drift angle be 0 ° when breaking hack knife is installed,
Inclination angle be 0 °, breaking hack edge curve (L) when cut radical operators angle with horizontal plane (W) excursion be 10~
70°。
Pass through the summary for the problems such as cut and soil block is not larger to root soil combination during subsoiling.High-speed Photography Analysis
Deep soil loosing shovel is to the mechanisms of radical operators during farm work, and combining with theoretical analysis devises breaking hack knife blade
(IV), it is determined that breaking hack knife and blade maximum radius (Rmax) edge during deep soil loosing shovel (VII) supporting installation and deep soil loosing shovel (VII)
Minimum distance (X).Hack bar (II) is devised at the same time, and hack bar (II) is welded as breaking hack knife with blade.A large amount of emulation
Contrast test shows that breaking hack knife and the total tillage resistance of deep soil loosing shovel (VII) reciprocal effects are smaller, breaking hack knife cutting root soil
Resistance is smaller during combination, and breaking hack knife and deep soil loosing shovel (VII) reciprocal effects hack effect are best, can effectively solve simple depth
Loose operation there are the problem of.
The breaking hack knife material of the present invention is 65Mn steel, is made of breaking blade (IV), hack bar (II) two parts.Knife
Piece is divided into 5 sections of blade curves (L), and every section of blade cutting edge curve is by least radius (Rmin) 180mm through maximum radius (Rmax)
235mm to middle radius (R) 215mm, angle with horizontal plane (W) is 10~70 ° when cutting radical operators；Blade thickness (S)
For 4mm, blade quenching treatment；Blade center is the through hole (III) that radius is 37.5mm；Blade radius is on the circumference of 43.5mm
6 through holes (I) that uniformly distributed radius is 3.5mm, easy to be bolted with bearing holder (housing, cover)；Apart from blade edge 80mm wherein on blade
(H), 18 through holes that radius is 8mm are uniformly distributed on radial direction, passes through and is symmetrically welded easy to hack bar；18 hack bars
(II) it is long 64mm, the cylinder of radius 8mm.
Breaking hack edge curve (L) effect is that the power applied with deep soil loosing shovel (VII) to radical operators is formed mutually
Make effect cutting root stubble, blade curve (L) angle with horizontal plane (W) excursion when cutting radical operators is 10~70 °,
Purpose is to increase sliding cutting effect when forming reciprocal effects with deep soil loosing shovel (VII) applying power.Breaking hack knife is matched somebody with somebody with deep soil loosing shovel (VII)
Blade maximum radius (Rmax) edge and deep soil loosing shovel (VII) minimum distance (X) are 20mm during set installation, ensure stubble breaking knife cutting root
Deep soil loosing shovel (VII) can apply corresponding power to root stubble during native complex.It is uniformly distributed on blade edge 80mm, radial direction
18 hack bars (II) of radius 8mm, length (B) 64mm, it is therefore an objective to crushed to soil block.Set to reduce resistance blade cutting edge
Chamfering.
In use, breaking hack knife is fixed with bearing holder (housing, cover) with bolt, and spiral shell is used by column (V) and monomer beam (VI)
Bolt is fixed, and deep soil loosing shovel (VII) is installed on its dead astern, and breaking hack knife forms reciprocal effects with deep soil loosing shovel (VII).Pass through emulation pair
Showing than experiment, breaking hack knife effectively reduces Cutting Drag and device drag overall with deep soil loosing shovel (VII) reciprocal effects model,
Breaking hack knife-deep soil loosing shovel Cutting Drag than centrifugation reduces 25.08%, and drag overall reduces 8.35%；Score from
The cutting disc of effect-deep soil loosing shovel Cutting Drag reduces 16.05%, and drag overall reduces 4.49%；Than the notch of centrifugation
Stubble breaking knife-deep soil loosing shovel Cutting Drag reduces 31.45%, and drag overall reduces 14.94%.And consolidation can be made native before and after acting on
Earth compression stress reduces by 79.39%.Therefore, the breaking hack knife Cutting Drag of reciprocal effects is smaller, and drag overall is smaller, can crush
Soil, can effectively solve the problems, such as simple Subsoiler.
Claims (3)
1. a kind of breaking hack knife, belongs to agricultural machinery farming field.The present invention is by (II) two, breaking blade (IV), hack bar
It is grouped into.It is characterized in that blade curve (L) when cutting radical operators angle with horizontal plane (W) excursion for 10~
70°。
2. breaking hack knife and blade maximum radius (Rmax) edge during deep soil loosing shovel (VII) supporting installation and deep soil loosing shovel minimum distance
(X) it is 20mm.
3. apart from blade edge 80mm, 18 hack bars (II) are uniformly distributed on radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711312536.7A CN107960162A (en) | 2017-12-12 | 2017-12-12 | A kind of breaking hack knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711312536.7A CN107960162A (en) | 2017-12-12 | 2017-12-12 | A kind of breaking hack knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107960162A true CN107960162A (en) | 2018-04-27 |
Family
ID=61994236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711312536.7A Pending CN107960162A (en) | 2017-12-12 | 2017-12-12 | A kind of breaking hack knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107960162A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2553356A (en) * | 1949-04-14 | 1951-05-15 | Carl S Cady | Stubble chopper |
| CN200987270Y (en) * | 2006-09-26 | 2007-12-12 | 河北农业大学 | Positive and negative spiral cutter stubble breaking and ditching device |
| CN203194099U (en) * | 2013-05-06 | 2013-09-18 | 王培洪 | Stubble breaking, deep scarification, stubble cleaning and soil preparation combined machine |
| US20160227696A1 (en) * | 2013-01-25 | 2016-08-11 | Prescription Tillage Technology, LLC | Variable tooth coulter blade with sized inserts |
| CN106688339A (en) * | 2016-11-28 | 2017-05-24 | 吉林大学 | Stubble-cutting soil-loosening component with bionic structures |
| CN106856735A (en) * | 2015-12-11 | 2017-06-20 | 王彬 | Ditching, ridging cutaway disk formula soil crushing device |
-
2017
- 2017-12-12 CN CN201711312536.7A patent/CN107960162A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2553356A (en) * | 1949-04-14 | 1951-05-15 | Carl S Cady | Stubble chopper |
| CN200987270Y (en) * | 2006-09-26 | 2007-12-12 | 河北农业大学 | Positive and negative spiral cutter stubble breaking and ditching device |
| US20160227696A1 (en) * | 2013-01-25 | 2016-08-11 | Prescription Tillage Technology, LLC | Variable tooth coulter blade with sized inserts |
| CN203194099U (en) * | 2013-05-06 | 2013-09-18 | 王培洪 | Stubble breaking, deep scarification, stubble cleaning and soil preparation combined machine |
| CN106856735A (en) * | 2015-12-11 | 2017-06-20 | 王彬 | Ditching, ridging cutaway disk formula soil crushing device |
| CN106688339A (en) * | 2016-11-28 | 2017-05-24 | 吉林大学 | Stubble-cutting soil-loosening component with bionic structures |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180427 |
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| WD01 | Invention patent application deemed withdrawn after publication |