CN112913347B - Flexible mounting structure of rotary blade and turn over pressure device - Google Patents
Flexible mounting structure of rotary blade and turn over pressure device Download PDFInfo
- Publication number
- CN112913347B CN112913347B CN202110288399.8A CN202110288399A CN112913347B CN 112913347 B CN112913347 B CN 112913347B CN 202110288399 A CN202110288399 A CN 202110288399A CN 112913347 B CN112913347 B CN 112913347B
- Authority
- CN
- China
- Prior art keywords
- flexible
- mounting
- sleeve
- rotary
- float
- 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
- 230000007306 turnover Effects 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 42
- 238000003971 tillage Methods 0.000 claims abstract description 35
- 239000002689 soil Substances 0.000 abstract description 20
- 210000003608 fece Anatomy 0.000 abstract description 9
- 239000010871 livestock manure Substances 0.000 abstract description 9
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 241001112867 Jafar Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007749 high velocity oxygen fuel spraying Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/10—Structural or functional features of the tools ; Theoretical aspects of the cutting action
- A01B33/103—Structural or functional features of the tools ; Theoretical aspects of the cutting action the rotating shaft being oriented horizontally
-
- 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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
-
- 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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/12—Arrangement of the tools; Screening of the 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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/14—Attaching the tools to the rotating shaft, e.g. resiliently or flexibly-attached tools
- A01B33/142—Attaching the tools to the rotating shaft, e.g. resiliently or flexibly-attached tools the rotating shaft being oriented horizontally
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
A flexible mounting structure and a turnover device of rotary tillage blades belong to the technical field of agricultural machinery. The flexible mounting structure comprises a flexible mounting cutter holder and a flexible buffer structure, one end of the flexible mounting cutter holder is provided with a connecting sleeve structure matched with the connecting end of the rotary blade, the other end of the flexible mounting cutter holder is provided with an arc-shaped mounting end, a slideway is arranged at the position, close to the connecting sleeve, of the arc-shaped mounting end, a boss is arranged on the other side of the arc-shaped mounting end in a surrounding manner, the arc-shaped mounting end is arranged on a rotary blade mounting shaft in a surrounding manner, the boss is connected with the mounting shaft, and the flexible buffer structure is connected between the boss and the slideway of the flexible mounting cutter holder on the other rotary blade. The pressure spring in the flexible buffer structure is compression installation, can provide certain pretightning force, and when operation or meet the relatively strong green manure of root system in the more soil of grit, flexible installation blade holder receives the impact, and through flexible buffer structure buffering, under the preceding operation state of machine, the obstacle in the soil is passed over smoothly and rotary blade is not damaged.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a flexible mounting structure of a rotary blade and a turning device.
Background
The rotary tillage device is a turning and pressing device which is simple and convenient to operate and wide in application, can be used for one-time operation in the tillage process to achieve the operation effect of stubble cleaning and soil breaking, can effectively loosen soil, reduce soil compaction, and can crush and turn over the cut green manure in the green manure crushing and turning and pressing process.
For tillage and green manure turning and pressing, the operation environment is complex, the turning and pressing device with strong adaptability is few, the diversity of the operation environment cannot be met, and the green manure with more sand and stones or thicker root system is encountered, so that the rotary blade of the turning and pressing device is easy to deform or damage due to strong impact force and insufficient self strength.
The working parts of the turning device are blades similar to rotary blades, although the shapes and the structures are various, the adopted materials are different, the installation structure is generally fixedly connected with a rotary cultivator shaft, the rotary blades are relatively static to a fixed shaft in the turning operation process, and the turning device has no degree of freedom, such as KYDS-200 rotary cultivator, 1GMN-180 rotary cultivator, 1GNZ-600B rotary cultivator and Lei Woa Persian 1GKN-200 rotary cultivator produced by double-day mechanical factories are all of such structures, and the structures are extremely easy to wear and break in the long-term soil cultivation and green manure turning processes.
At present, the update of the rotary tillage device has little change in structure, and the improvement of the rotary tillage device is mainly concentrated on the structure and the material of the rotary tillage knife roller, the type of the rotary tillage knife and the arrangement mode of the rotary tillage knife on the knife roller. The illiterate Jafar HabibiAsl designed three different types of rotary blades, which were C-shaped, L-shaped, and RC-shaped, respectively, and evaluated the number of blades, the advancing speed, and the cutter roll speed on the different blade-shaped rotation planes. Satit Karoonboonyanan from the thailand academy of asian science (AIT) tested that the wear rate of the rotary blade with HVOF sprayed WC/Co material on the surface was much lower than that of the rotary blade without surface treatment. Domestic scholars Feng Peizhong analyze the arrangement and combination form of rotary tillage device rotary tillage blade in detail, and the arrangement mode of rotary tillage blade on rotary tillage blade roller is mainly chevron arrangement and double-end spiral arrangement, compares two installation modes, has put forward a 4n + -2 number of columns arrangement. Wu Ziyue of the university of sea water production, and the like, provides a non-equal-length cutter chopping model for the rotary tillage device aiming at the problems of crushing straw and cleaning stubble of the rotary tillage device, and correspondingly optimizes the rotary tillage device parts according to model data. The above researches are mainly carried out in aspects of the structure and the material of the rotary blade roller, the type of the rotary blade, the arrangement mode of the rotary blade on the blade roller and the like, and the improvement of the installation structure of the rotary blade realizes the reduction of the abrasion and fracture of the rotary blade, and has less documents and reports.
Disclosure of Invention
According to the flexible mounting structure and the turning device for the rotary blade, the mounting structure and the method for the rotary blade are changed, namely, the flexible mounting structure is provided on the mounting structure, so that the rotary blade can cross objects with strong impact force on the rotary blade caused by larger stones or strong root systems and the like during turning operation, the rotary blade can deflect to a certain extent, and can cross obstacles, so that the rotary blade can be effectively protected from being damaged, and the service life of the rotary blade can be prolonged.
The aim of the invention is realized by the following technical scheme:
The invention discloses a flexible mounting structure of a rotary blade, which comprises a flexible mounting blade holder and a flexible buffer structure, wherein one end of the flexible mounting blade holder is provided with a connecting sleeve structure matched with the connecting end of the rotary blade, the other end of the flexible mounting blade holder is provided with an arc mounting end, a slideway is arranged at the position, close to the connecting sleeve, of the arc mounting end, a boss is arranged at the other side of the arc mounting end, the arc mounting end surrounds a rotary blade mounting shaft, the boss end is connected with the mounting shaft, and the flexible buffer structure is connected between the boss and the slideway of the flexible mounting blade holder on the other rotary blade.
Preferably, the flexible buffer structure comprises a floater, a floater sleeve, a pressure spring, a sleeve guard plate and balls, wherein the pressure spring is arranged at one end in the floater sleeve and sleeved on a boss of the flexible mounting tool apron through the pressure spring; the other end of the float is provided with a float, one end of the float is contacted with the pressure spring, the other end of the float extends out of the float sleeve, the end part extending out of the float sleeve is provided with an arc groove, one end of the ball is embedded in the arc groove, and the other end of the ball is arranged in a slideway of the flexible mounting tool apron and rolls along the slideway; the float sleeve is connected with the flexible installation tool apron through a sleeve guard board.
Preferably, the sleeve guard plate is connected with the flexible installation tool apron and the installation shaft through countersunk bolts, countersunk bolt installation holes are formed in the sleeve guard plate, the flexible installation tool apron and the installation shaft, the installation holes are symmetrically located on two sides of the boss, and a central connecting line of the installation holes is intersected with the center of the installation shaft at one point.
Preferably, the edge of the float arc groove for installing the ball is provided with a wrapping edge, and the diameter of the inlet of the edge of the float arc groove with the wrapping edge is smaller than the diameter of the ball.
The invention relates to a turning device which comprises a mounting shaft and a plurality of rotary blades, wherein the mounting shaft is provided with a plurality of annular grooves at equal intervals, the rotary blades are arranged on the annular grooves through the flexible mounting structure according to any one of claims 1-4, and two rotary blades on each annular groove are arranged in a central symmetry manner, so that the rotary blades on the mounting shaft are integrally arranged in a double-spiral structure.
Preferably, the mounting shaft is provided with a plurality of annular grooves, the annular grooves are matched with the outer edges of the sleeve guard plates of the flexible buffer structures, the width of the annular grooves is the same as that of the flexible mounting tool apron, and the depth of the annular grooves is 5-8 mm.
Preferably, each rotary blade occupies a phase angle alpha of 12-14 degrees along the axial direction.
Preferably, the phase angle phi of two adjacent rotary tillage blades on the same spiral line of the double-spiral structure is 54-56 degrees.
The beneficial effects of the invention are as follows:
1. The flexible mounting structure of the rotary blade comprises a flexible mounting blade holder and a flexible buffer structure, wherein one end of the flexible mounting blade holder is provided with a connecting sleeve structure matched with the connecting end of the rotary blade, the other end of the flexible mounting blade holder is provided with an arc-shaped mounting end, the arc-shaped mounting end surrounds a rotary blade mounting shaft, a slideway is arranged at the position close to the connecting sleeve, a boss is arranged at the other corresponding side of the flexible mounting blade holder, and the flexible buffer structure is connected between the boss and the slideway of the flexible mounting blade holder on the other corresponding rotary blade. The pressure spring in the flexible buffer structure is compression installation, can provide certain pretightning force, and when operation or meet the relatively strong green manure of root system in the more soil of grit, flexible installation blade holder receives the impact, and through flexible buffer structure buffering, under the preceding operation state of machine, the obstacle in the soil is passed over smoothly and rotary blade is not damaged.
2. The flexible buffer structure is characterized in that one end in the float sleeve is provided with a pressure spring, the pressure spring is sleeved on a boss of a flexible mounting tool apron, the other end is provided with a float contacted with the pressure spring, the end part of the float extending out of the float sleeve is provided with an arc groove, and a ball is accommodated in the arc groove and a slideway of the opposite flexible mounting tool apron and rolls along the slideway; the float sleeve is connected with the flexible installation tool apron through a sleeve guard board. The pressure spring in the flexible buffer structure is compression installation, can provide certain pretightning force, guarantees at turning over the pressure in-process rotary blade and is in normal operating condition, when operation or meet the green manure that the root system is comparatively strong in the more soil of grit, the impact force that rotary blade flexible mounting blade holder received can make the float move down, the pressure spring further compresses, the ball slides in the slide simultaneously, rotary blade and flexible mounting blade holder take place the rotation of certain angle, under the forward operating condition of machine, cross the barrier in the soil smoothly and rotary blade not receive the damage.
3. According to the sleeve guard board, the flexible mounting tool apron and the mounting shaft are connected through the countersunk bolt, the countersunk bolt mounting holes are symmetrically formed in two sides of the boss, and the center connecting line of the mounting holes and the center of the mounting shaft intersect at one point, so that dynamic balance of the whole device is guaranteed.
4. In order to prevent the balls from falling out of the floater and ensure the rolling motion of the balls in a space formed by the floater and the slide way, the floater is subjected to edge wrapping treatment after the floater and the balls are installed.
5. The invention relates to a turning device which comprises a mounting shaft and a plurality of rotary blades, wherein a plurality of annular grooves are formed in the mounting shaft at equal intervals, the rotary blades are mounted on the annular grooves through flexible mounting structures, two rotary blades on each annular groove are mounted in a central symmetry mode, the whole rotary blades on the mounting shaft are arranged in a double-spiral structure, the rotary blades are regularly and uniformly arranged along the axial direction and the circumferential direction of the mounting shaft, and each rotary blade rotates by 13.85 according to the mounting shaft. Sequentially entering soil and uniformly stressed. The soil cutting ratio of two rotary tillage blades in the same cutting area is equal, so that the tillage quality and the blade abrasion uniformity are ensured. All rotary tillage blades are staggered into the soil according to the sequence of the left and right curved blades, so that the sequential soil entering of the blades in the same direction is avoided, the uniformity of axial force is ensured, the vibration impact is reduced, and the service life of a transmission part is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged schematic view of the portion a in fig. 1.
Fig. 3 is a schematic view of a rotary blade mounting arrangement.
Fig. 4 is a plan view of fig. 3.
Fig. 5 is an arrangement view of the rotary blade and the flexible mounting blade holder of the rotary blade according to the present invention. Wherein, the abscissa is the cutting area number, and the ordinate is the phase angle, and every check of vertical axis represents 13.85, and every rotary blade occupies phase angle alpha along the axial and is 13.85, and the phase angle phi of two adjacent rotary blades on same spiral line is 55.4, and two flexible installation blade holders contained angle beta of same cross-section is 180.
In the figure: 1. the rotary blade comprises a rotary blade body, a flexible mounting blade seat, a slide way, a boss, a connecting sleeve, a flexible buffer structure, a float sleeve, a float, a ball, a compression spring, a sleeve guard, a mounting shaft, a ring groove, a countersunk bolt and a tightening bolt.
Detailed Description
The invention is described in detail below with reference to the drawings and examples.
Examples: as shown in fig. 1, the flexible mounting structure of the rotary blade comprises a flexible mounting blade holder 2 and a flexible buffer structure 3, wherein one end of the flexible mounting blade holder 2 is provided with a connecting sleeve 23 structure matched with the connecting end of the rotary blade 1, the other end of the flexible mounting blade holder is provided with an arc-shaped mounting end, a slideway 21 is arranged at the position, close to the connecting sleeve 23, of the arc-shaped mounting end, a boss 22 is arranged at the other side of the arc-shaped mounting end correspondingly, the arc-shaped mounting end surrounds the rotary blade mounting shaft 4, the end with the boss 22 is connected to the mounting shaft 4, and the flexible buffer structure 3 is connected between the boss 22 and the slideway 21 of the flexible mounting blade holder 2 on the other rotary blade 1 correspondingly.
As shown in fig. 2, the flexible buffer structure comprises a float 32, a float sleeve 31, a pressure spring 34, a sleeve guard plate 35 and balls 33, wherein the pressure spring 34 is arranged at one end in the float sleeve 31, and is sleeved on a boss 22 of the flexible mounting tool apron 2 through the pressure spring 34, so as to be mounted concentrically with the boss 22; the other end is provided with a floater 32, one end of the floater 32 is in contact with a pressure spring 34, the other end of the floater 32 extends out of a floater sleeve 31, the end part extending out of the floater sleeve 31 is provided with an arc groove, one end of a ball 33 is embedded in the arc groove, and the other end of the ball 33 is arranged in a slideway 21 of the flexible mounting tool apron 2 and rolls along the slideway 21; the float sleeve 31 is connected to the flexibly mounted tool holder 2 by a sleeve guard 35.
The sleeve guard plate 35 is connected with the flexible installation tool apron 2 and the installation shaft 4 through countersunk bolts 5, countersunk bolt installation holes are formed in the sleeve guard plate 35, the flexible installation tool apron 2 and the installation shaft 4, the installation holes are symmetrically located on two sides of the boss 22, and a central connecting line of the installation holes intersects with the center of the installation shaft 4 at one point.
The connecting sleeve 23 is sleeved on the handle of the rotary blade 1 and is fixed through the fastening bolt 6. The rotary tillage cutter 1 is of an existing structure.
The compression spring 34 in the flexible buffer structure 3 is installed in a compressed mode during installation, one end of the compression spring is sleeved on the boss 22, in order to prevent the balls 33 from falling out of the floats 32 and ensure that the balls 33 do rolling motion in a space formed by the floats 32 and the slide ways 21, after the floats 32 and the balls 33 are installed, the edges of the arc grooves of the floats provided with the balls 33 are subjected to edge wrapping treatment, and the diameter of an inlet of the edges of the arc grooves of the floats with the edge wrapping is smaller than that of the balls, so that the balls can be prevented from falling out. When the float is installed, the float is heated, and the inlet diameter of the edge of the arc groove of the float is increased and is larger than the diameter of the ball by utilizing the heat expansion and cold contraction principle of the metal material, so that the ball can be installed, and the ball can rotate during working.
As shown in fig. 3 and 4, the invention is used for a turning device, and comprises a mounting shaft 4 and a plurality of rotary blades 1, wherein a plurality of annular grooves 41 are formed in the mounting shaft 4 at equal intervals, the rotary blades 1 are mounted on the annular grooves 41 through the flexible mounting structure, and two rotary blades 1 on each annular groove 41 are mounted in a central symmetry manner, so that the rotary blades 1 on the mounting shaft 4 are integrally arranged in a double-spiral structure.
The installation shaft 4 is provided with a plurality of annular grooves 41, the annular grooves 41 are matched with the outer edge of the sleeve guard plate 35 of the flexible buffer structure, the width of each annular groove is consistent with that of the flexible installation tool apron, the rotary tillage tool adopts the conventional universal rotary tillage tool, the rotary tillage tool 1 is installed on the flexible installation tool apron 2, and the depth of each annular groove 41 is matched with the buffer structure and is 5-8mm. If the depth of the annular groove 41 is too large, the sizes of the floats 32, the float sleeves 31, the compression springs 34 and the sleeve guard plates 35 in the corresponding buffer structures are also required to be increased, so that materials are wasted; if the depth of the annular groove 41 is too small, the buffer structure cannot play a role of buffer, so that the width of the annular groove is 15mm, the depth is 5mm, and 14 annular grooves are formed in total, so that the installation of the rotary blade 1 in the embodiment is satisfied.
As shown in fig. 5, the rotary blade 1 and the rotary blade flexible mounting tool apron 2 in this example adopt 4n+2 series arrangement, and are regularly and uniformly arranged along the axial direction and the circumferential direction of the mounting shaft according to a double-end spiral line, and the phase angle α occupied by each rotary blade along the axial direction in this example is 12-14, and in this example α is 13.85 °. The phase angle phi of the blades of two adjacent rotary blades 1 on the same spiral line of the double-spiral structure is 54-56 degrees, and the example phi is 55.4 degrees. Each rotary blade 1 sequentially enters the soil according to the rotation of 13.85 degrees of the installation shaft 4, and the stress is even. The soil cutting ratio of two rotary tillage blades in the same cutting area is equal, so that the tillage quality and the blade abrasion uniformity are ensured. All rotary tillage blades are staggered into the soil according to the sequence of the left and right curved blades, so that the sequential soil entering of the blades in the same direction is avoided, the uniformity of axial force is ensured, the vibration impact is reduced, and the service life of a transmission part is prolonged.
The working principle of the invention is as follows: as shown in fig. 2 and 3, in the rotary blade mounting of the turning device, one end of a rotary blade flexible mounting tool apron 2 provided with a rotary blade 1 is connected with a mounting shaft 4 through a flexible buffer structure 3, a pressure spring 34 in the flexible buffer structure 3 is in compression mounting, a certain pretightening force can be provided, the rotary blade is ensured to be in a normal working state in the turning process, the flexible buffer structure 3 does not work, when the rotary blade works in the soil with more sand and stones or encounters green manure with thicker root system, the float 32 moves downwards due to overlarge impact force received by the rotary blade flexible mounting tool apron 2, the pressure spring 34 is further compressed, a ball 33 slides in a slideway 21, the rotary blade 1 and the flexible mounting tool apron 2 rotate at a certain angle, and the rotary blade is not damaged when the rotary blade smoothly passes over the obstacle in the soil in the advancing working state of the machine. Returns to the initial position under the action of the elastic force of the pressure spring 34 until the rotary tillage cutter 1 rotates again under the same condition, and the damage to the cutter caused by the overlarge impact force of the rotary tillage cutter is avoided.
It should be understood that the foregoing detailed description of the present invention is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention may be modified or substituted for the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.
Claims (5)
1. A flexible mounting structure of rotary blade, its characterized in that: the rotary tillage cutter comprises a flexible mounting cutter seat and a flexible buffer structure, wherein one end of the flexible mounting cutter seat is provided with a connecting sleeve structure matched with the connecting end of the rotary tillage cutter, the other end of the flexible mounting cutter seat is provided with an arc-shaped mounting end, a slideway is arranged at the position, close to the connecting sleeve, of the arc-shaped mounting end, a boss is arranged at the other corresponding side of the arc-shaped mounting end, the arc-shaped mounting end surrounds the rotary tillage cutter mounting shaft, the boss-shaped mounting end is connected with the mounting shaft, and the flexible buffer structure is connected between the boss and the slideway of the flexible mounting cutter seat on the corresponding other rotary tillage cutter;
The flexible buffer structure comprises a floater, a floater sleeve, a pressure spring, a sleeve guard plate and balls, wherein the pressure spring is arranged at one end in the floater sleeve and sleeved on a boss of a flexible mounting tool apron through the pressure spring; the other end of the float is provided with a float, one end of the float is contacted with the pressure spring, the other end of the float extends out of the float sleeve, the end part extending out of the float sleeve is provided with an arc groove, one end of the ball is embedded in the arc groove, and the other end of the ball is arranged in a slideway of the flexible mounting tool apron and rolls along the slideway; the float sleeve is connected with the flexible mounting tool apron through a sleeve guard board;
The sleeve guard plate is connected with the flexible installation tool apron and the installation shaft through countersunk bolts, countersunk bolt installation holes are formed in the sleeve guard plate, the flexible installation tool apron and the installation shaft, the installation holes are symmetrically located on two sides of the boss, and a central connecting line of the installation holes and the center of the installation shaft intersect at one point;
the edge of the float arc groove provided with the ball is provided with a binding, and the diameter of the inlet of the edge of the float arc groove with the binding is smaller than that of the ball.
2. The utility model provides a turn over and press device, includes installation axle and a plurality of rotary blade, its characterized in that: a plurality of annular grooves are formed in the mounting shaft at equal intervals, the rotary blades are mounted on the annular grooves through the flexible mounting structure in claim 1, and two rotary blades on each annular groove are mounted in a central symmetry mode, so that the rotary blades on the mounting shaft are integrally arranged in a double-spiral structure.
3. The turn-over device according to claim 2, wherein: the mounting shaft is provided with a plurality of annular grooves, the annular grooves are matched with the outer edges of the sleeve guard plates of the flexible buffer structures, the width of the annular grooves is the same as that of the flexible mounting tool apron, and the depth of the annular grooves is 5-8 mm.
4. The turn-over device according to claim 2, wherein: and the phase angle alpha occupied by each rotary tillage cutter along the axial direction is 12-14 degrees.
5. The turn-over device according to claim 2, wherein: the phase angle phi of two adjacent rotary tillage blades on the same spiral line of the double-spiral structure is 54-56 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288399.8A CN112913347B (en) | 2021-03-18 | 2021-03-18 | Flexible mounting structure of rotary blade and turn over pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288399.8A CN112913347B (en) | 2021-03-18 | 2021-03-18 | Flexible mounting structure of rotary blade and turn over pressure device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112913347A CN112913347A (en) | 2021-06-08 |
| CN112913347B true CN112913347B (en) | 2024-05-10 |
Family
ID=76175805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110288399.8A Active CN112913347B (en) | 2021-03-18 | 2021-03-18 | Flexible mounting structure of rotary blade and turn over pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112913347B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522267A (en) * | 1982-12-13 | 1985-06-11 | Ronald D. Wetherell | Shredder/plow combination |
| RU2113081C1 (en) * | 1996-10-09 | 1998-06-20 | Нижне-Волжский научно-исследовательский институт сельского хозяйства | Soil loosener |
| KR20000004546U (en) * | 1998-08-06 | 2000-03-06 | 김남식 | Mower blades |
| JP2001095304A (en) * | 1999-10-01 | 2001-04-10 | Iseki & Co Ltd | Device for hanging rear cover of rotary tiller |
| KR200357374Y1 (en) * | 2004-05-13 | 2004-07-27 | 조순래 | Mower safety knife |
| CN2774104Y (en) * | 2004-04-02 | 2006-04-26 | 新疆农业科学院农业机械化研究所 | Zero tillage and ditching device |
| CN105191534A (en) * | 2015-09-10 | 2015-12-30 | 中国农业大学 | Obstacle avoidance type rotary blade overload protection device |
| JP2017131114A (en) * | 2016-01-25 | 2017-08-03 | 鋤柄農機株式会社 | Sowing groove widening device in direct sowing machine and sowing method of large size seed by direct sowing machine |
| CN207185118U (en) * | 2017-09-26 | 2018-04-06 | 李守华 | A kind of improved power driving rake rotary blade |
| CN207321914U (en) * | 2017-09-13 | 2018-05-08 | 天津樱桃谷农业科技发展有限公司 | Agricultural production grass trimmer |
| CN108990478A (en) * | 2018-05-24 | 2018-12-14 | 李嫦雅 | A kind of adjustable gardens plough |
| CN109328492A (en) * | 2018-09-25 | 2019-02-15 | 扬州和益电动工具有限公司 | A kind of new and effective miniature rotary cultivator |
| CN110771285A (en) * | 2019-10-14 | 2020-02-11 | 塔里木大学 | Flexible mounting structure of ditching cutter of green manure turning and pressing-fruit tree fertilizing combined operation machine |
| KR20200015371A (en) * | 2018-08-03 | 2020-02-12 | 이승준 | Apparatus for withering plant |
| CN210641269U (en) * | 2019-10-11 | 2020-06-02 | 益阳市德林机械有限公司 | Rotary cultivator rocking arm subassembly that security is good |
| CN111448854A (en) * | 2020-04-09 | 2020-07-28 | 华中农业大学 | Rotary tillage rotor anti-sticking device based on resonance excitation and rotary cultivator with same |
| CN214676409U (en) * | 2021-03-18 | 2021-11-12 | 塔里木大学 | Flexible mounting structure and turn-over pressure device of rotary blade |
-
2021
- 2021-03-18 CN CN202110288399.8A patent/CN112913347B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522267A (en) * | 1982-12-13 | 1985-06-11 | Ronald D. Wetherell | Shredder/plow combination |
| RU2113081C1 (en) * | 1996-10-09 | 1998-06-20 | Нижне-Волжский научно-исследовательский институт сельского хозяйства | Soil loosener |
| KR20000004546U (en) * | 1998-08-06 | 2000-03-06 | 김남식 | Mower blades |
| JP2001095304A (en) * | 1999-10-01 | 2001-04-10 | Iseki & Co Ltd | Device for hanging rear cover of rotary tiller |
| CN2774104Y (en) * | 2004-04-02 | 2006-04-26 | 新疆农业科学院农业机械化研究所 | Zero tillage and ditching device |
| KR200357374Y1 (en) * | 2004-05-13 | 2004-07-27 | 조순래 | Mower safety knife |
| CN105191534A (en) * | 2015-09-10 | 2015-12-30 | 中国农业大学 | Obstacle avoidance type rotary blade overload protection device |
| JP2017131114A (en) * | 2016-01-25 | 2017-08-03 | 鋤柄農機株式会社 | Sowing groove widening device in direct sowing machine and sowing method of large size seed by direct sowing machine |
| CN207321914U (en) * | 2017-09-13 | 2018-05-08 | 天津樱桃谷农业科技发展有限公司 | Agricultural production grass trimmer |
| CN207185118U (en) * | 2017-09-26 | 2018-04-06 | 李守华 | A kind of improved power driving rake rotary blade |
| CN108990478A (en) * | 2018-05-24 | 2018-12-14 | 李嫦雅 | A kind of adjustable gardens plough |
| KR20200015371A (en) * | 2018-08-03 | 2020-02-12 | 이승준 | Apparatus for withering plant |
| CN109328492A (en) * | 2018-09-25 | 2019-02-15 | 扬州和益电动工具有限公司 | A kind of new and effective miniature rotary cultivator |
| CN210641269U (en) * | 2019-10-11 | 2020-06-02 | 益阳市德林机械有限公司 | Rotary cultivator rocking arm subassembly that security is good |
| CN110771285A (en) * | 2019-10-14 | 2020-02-11 | 塔里木大学 | Flexible mounting structure of ditching cutter of green manure turning and pressing-fruit tree fertilizing combined operation machine |
| CN111448854A (en) * | 2020-04-09 | 2020-07-28 | 华中农业大学 | Rotary tillage rotor anti-sticking device based on resonance excitation and rotary cultivator with same |
| CN214676409U (en) * | 2021-03-18 | 2021-11-12 | 塔里木大学 | Flexible mounting structure and turn-over pressure device of rotary blade |
Non-Patent Citations (3)
| Title |
|---|
| 2BH-6型绿肥旋耕混合播种机的设计与试验;廖结安等;农机化研究;20201231;第43卷(第09期);66-71 * |
| 基于离散元法的筑埂机旋耕刀轴性能分析;库浩锋;刘明勇;蔡昊;刘亚东;;中国农机化学报;20200115(第01期);25-30 * |
| 新疆高速翻转犁研究现状与发展动态;刘亚明;郑炫;胡灿;王旭峰;何义川;邢剑飞;;农业工程技术;20191225(第36期);56-60 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112913347A (en) | 2021-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107520019B (en) | Cutter claw combined bio matter fuel crushing roller | |
| CN112913347B (en) | Flexible mounting structure of rotary blade and turn over pressure device | |
| CN214676409U (en) | Flexible mounting structure and turn-over pressure device of rotary blade | |
| CN116897629A (en) | Grassland fertilizer applicator | |
| CN102266813A (en) | Spiral cutter of titanium sponge crusher | |
| CN103521324A (en) | Straw crusher | |
| CN105917763A (en) | Rotary tillage device of rotary tiller | |
| CN207769978U (en) | A kind of cyclopentane gas detector blade | |
| CN215379975U (en) | Herringbone chopping device of spike-stalk harvesting type corn harvester | |
| CN101861783B (en) | Stem cutting device for harvesting machine | |
| CN217523151U (en) | Rotary cultivator of quick replacement blade | |
| US6786287B2 (en) | Tool for soil cultivating machine, and machine using such tools | |
| CN110720297A (en) | Reciprocating type cutting device of double acting sword | |
| CN213996164U (en) | Knife roll of disc crusher | |
| CN201690741U (en) | Protecting type knife roll of rotary cultivator | |
| CN112913447B (en) | Differential stubble-breaking type belt cleaning device | |
| CN205179696U (en) | Disc twolip ditching sword of no -tillage seeder | |
| CN110424980B (en) | A guide-type entry driving machine blade disc in advance for extremely hard rock excavation | |
| CN110374518B (en) | Refuse-to-mud-coated polycrystalline diamond drill bit | |
| CN105917764A (en) | Rotary tiller | |
| CN204741867U (en) | Straw is smashed and is gone back field with combination blade | |
| CN206442667U (en) | A kind of rotavator knife axle assembly | |
| CN201084890Y (en) | Traverse cutter stubble-ploughing mechanism of rotary tiller | |
| CN218006929U (en) | Deep scarifier for returning all straws to field | |
| CN116615973A (en) | Dynamic loading driving shearing and releasing anti-sticking winding rotary blade and rotary tillage machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |