CN211880913U - Rotary blade shaft of mini-tiller and connecting structure thereof - Google Patents
Rotary blade shaft of mini-tiller and connecting structure thereof Download PDFInfo
- Publication number
- CN211880913U CN211880913U CN202020045839.8U CN202020045839U CN211880913U CN 211880913 U CN211880913 U CN 211880913U CN 202020045839 U CN202020045839 U CN 202020045839U CN 211880913 U CN211880913 U CN 211880913U
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- shaft
- tiller
- mini
- rotary blade
- power output
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Abstract
The utility model discloses a rotary blade shaft of a mini-tiller and a connection structure thereof, which comprises a left power output shaft of the mini-tiller, a right power output shaft of the mini-tiller, a rotary blade assembly, a power box and a plurality of anti-winding cutting blades, wherein the left power output shaft of the mini-tiller and the right power output shaft of the mini-tiller are symmetrically arranged at two ends of the power box, the power box is a power transmission device of the mini-tiller, and the power box is connected with a gear of the power device of the mini-tiller; the rotary tillage cutter assembly is detachably mounted on the micro-cultivator power output left shaft and the micro-cultivator power output right shaft respectively, and the anti-winding cutters are detachably mounted on the rotary tillage cutter assembly; the utility model discloses quick-witted rotary blade arbor is ploughed to declining and draw together structure can in time realize the dismouting fast from the power box, still can clear away clod debris and twine the grass, and rotary blade subassembly simple to operate after the clearance, and the rotary blade subassembly can screw automatically during the operation.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, concretely relates to plough quick-witted rotary blade arbor a little and draw bail thereof.
Background
The mini-tiller is used as a tillage and soil preparation machine, is light, flexible, multifunctional and low in price, and is widely applied to dry land, paddy field, orchard and other regions in plains, mountainous areas and hills.
When the mini-tiller is used, the residual crops and weeds in the ploughed land can be wound on the rotary blades of the mini-tiller and among the blades of each group, the rotary tillage and soil preparation effects can be greatly reduced along with the increase of the wound and the mud blocks, the machine load can be increased, and the energy is consumed. In the operation process, the rotary blade and the winding and mud blocks on the cutter shaft are continuously removed according to the condition, and the convenience degree of cleaning is an important performance of the mini-tiller. The rotary blade arbor of the machine is ploughed a little to the tradition is the hexagonal hole, with ploughing a little the machine power output shaft cooperation of pegging graft, and the axial is through round pin axle location, and this structure is when the arbor does not attach the crop, and the dismouting is more convenient, but one to field operation, and the axial space between the rotary blade can be filled up with to the winding thing, covers the locating pin, can't extract the locating pin when leading to the clearance, just also can't follow the machine of ploughing a little and pull down the rotary blade group and clear up, only can clear up on ploughing a little. Because the cutter is installed in the lower part of machine, it is very inconvenient to clear up, and is inefficient, and still can have because can not put the machine of ploughing a little and lead to the phenomenon of machine oil, fuel to leak to take place, needs many people's cooperation to accomplish during the clearance usually, extravagant manpower and materials.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plough quick-witted rotary blade arbor a little and draw bail thereof can in time fast from the dismouting on the headstock, still can clear away clod debris and kinking grass, the simple to operate of rotary blade subassembly after the clearance, and the rotary blade subassembly can screw automatically during the operation to solve the technical problem who mentions in the background art.
The purpose of the utility model is realized through the following technical scheme:
a rotary blade shaft of a mini-tiller and a connecting structure thereof comprise a power output left shaft of the mini-tiller, a power output right shaft of the mini-tiller, a rotary blade assembly, a power box and a plurality of anti-winding cutting blades, wherein the power output left shaft of the mini-tiller and the power output right shaft of the mini-tiller are symmetrically arranged at two ends of the power box, and the power box is a power transmission device of the mini-tiller;
the rotary tillage cutter assembly is respectively detachably mounted on the power output left shaft of the mini-tiller and the power output right shaft of the mini-tiller, and the anti-winding cutting knife is detachably mounted on the rotary tillage cutter assembly.
Furthermore, the rotary blade assembly comprises a blade shaft and a rotary blade, and the rotary blade is fixed on the blade shaft through a bolt.
Furthermore, one end of the cutter shaft is provided with an internal thread mounting hole, and the power output left shaft of the mini-tiller and the power output right shaft of the mini-tiller are external thread shafts matched with the internal thread mounting hole.
Furthermore, a tool withdrawal groove is formed in one end of the cutter shaft close to the internal thread mounting hole, and the width of the tool withdrawal groove is matched with the outer diameters of the power output left shaft and the power output right shaft of the mini-tiller.
Further, the internal thread mounting hole and the external thread shaft are both trapezoidal threads.
Further, the other end of the cutter shaft is provided with an end cover.
Furthermore, the end cover is provided with a cross hole, and the cross hole is used for inserting the rod piece unscrewing cutter set.
Furthermore, a plurality of grooves are arranged on the cutter shaft, and anti-winding cutters are embedded in the grooves.
Further, the power device of the mini-tiller is connected with a transmission.
The utility model has the advantages that:
the utility model discloses a rotary blade arbor of a mini-tiller and the coupling structure thereof, and the rotary blade components are symmetrically arranged at the left end and the right end of the power box, the internal thread mounting hole at one end of the arbor of the right rotary blade component of the mini-tiller is left-handed thread, the right rotary blade component rotates clockwise when working, the resistance moment applied to the ground is anticlockwise, the left-handed thread is screwed more and more tightly by the moment, and the reliable coupling of the cutter group and the power output shaft of the mini-tiller is also ensured; the rotary tillage cutter components are detachably arranged on the power output shaft of the mini-tiller, and are symmetrically distributed, so that the rotary tillage cutter components are convenient to disassemble and assemble; the special anti-winding cutter is arranged on the cutter shaft and is used for cutting off weeds and plant roots wound on the cutter shaft in operation so as to play an anti-winding role, so that the weeds are effectively prevented from being wound on the output shaft, the problem that the weeds are wound on the mini-tiller is solved, and the cutter shaft can be timely and quickly disassembled from the power box; the utility model discloses reduced the power consumption of arable land machine, the weeds after cutting off simultaneously can be to carrying out the compost, increase the fertile degree in soil.
Drawings
FIG. 1 is a schematic view of the whole structure of the rotary blade shaft and its connection structure of the micro-cultivator of the present invention;
in the figure, 1-micro-cultivator power output left shaft, 2-micro-cultivator power output right shaft, 3-rotary blade assembly, 301-cutter shaft, 302-rotary blade, 4-power box, 5-anti-winding cutter, 6-internal thread mounting hole, 7-tool withdrawal groove, 8-end cover, 9-cross hole and 10-groove.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the utility model provides a technical scheme:
referring to fig. 1, a connecting structure of a rotary blade shaft 301 of a mini-tiller comprises a mini-tiller power output left shaft 1, a mini-tiller power output right shaft 2, a rotary blade assembly 3, a power box 4 and a plurality of anti-winding blades 5, wherein the mini-tiller power output left shaft 1 and the mini-tiller power output right shaft 2 are symmetrically installed at two ends of the power box 4, the power box 4 is a power transmission device of the mini-tiller, and an internal gear of the power box 4 is driven by an internal combustion engine;
the rotary tillage cutter assembly 3 is respectively detachably mounted on the micro-cultivator power output left shaft 1 and the micro-cultivator power output right shaft 2, and the anti-winding cutters 5 are detachably mounted on the rotary tillage cutter assembly 3.
The utility model discloses a rotary blade subassembly 3 demountable installation is on the power output shaft of ploughing the machine a little, and rotary blade subassembly 3 distributes, easy dismounting symmetrically. The anti-winding cutting knife 5 can play an anti-winding role, prevent weeds from being wound on the output shaft, the anti-winding cutting knife 5 can cut off the weeds wound on the cutter shaft 301, the problem that the weeds are wound on the mini-tiller can be effectively solved, the power consumption of the tiller is reduced, meanwhile, the cut-off weeds can be composted, and the fertility degree of the land is increased.
Further, the rotary blade assembly 3 includes a blade shaft 301 and a rotary blade 302, and the rotary blade 302 is fixed to the blade shaft 301 by bolts.
The rotary tillage blades 302 are fixed on the cutter shaft 301 in a bolt connection mode, and when the blades are worn and need to be replaced, the blades can be conveniently detached and installed.
Further, one end of the cutter shaft 301 is provided with an internal thread mounting hole 6, and the mini-tiller power output left shaft 1 and the mini-tiller power output right shaft 2 are external thread shafts matched with the internal thread mounting hole 6.
The utility model discloses plough quick-witted headstock 4 about both ends symmetrical arrangement's rotary blade subassembly 3 a little, the internal thread mounting hole 6 of the one end of arbor 301 of the right side rotary blade subassembly 3 of ploughing a little is left-handed screw, the rotary blade subassembly 3 during operation on right side, it is clockwise rotation from the outside, it receives the resistance moment of applying on ground and is anticlockwise, this moment can let the levogyration screw thread revolve tighter more, just also guaranteed that the knife tackle is with plough quick-witted power output shaft's reliable hookup a little, plough quick-witted left rotary blade subassembly 3's of a little working process in the right side.
Further, a tool withdrawal groove 7 is formed in one end of the cutter shaft 301, close to the internal thread mounting hole 6, and the width of the tool withdrawal groove 7 is matched with the outer diameters of the micro-cultivator power output left shaft 1 and the micro-cultivator power output right shaft 2.
The tool withdrawal groove 7 is used for facilitating the thread machining of the internal thread mounting hole 6 of the cutter shaft 301 and the mounting of the power output shaft of the mini-tiller.
Further, the internal thread mounting hole 6 and the external thread shaft are both trapezoidal threads.
The trapezoidal thread has the advantages of good manufacturability, good thread pair centering property and high tooth root strength, and is very suitable for working conditions of variable load, vibration, impact load and the like of a mini-tiller.
Further, an end cover 8 is arranged at the other end of the cutter shaft 301.
The end cover 8 can prevent sundries such as mud blocks from entering the inner hole of the cutter shaft 301.
Furthermore, a cross hole 9 is formed in the end cover 8, and the cross hole 9 is used for inserting the rod piece unscrewing cutter set.
The cross hole 9 is used for inserting a rod piece loosening and loosening cutter set, so that the rotary tillage cutter set is convenient to detach, and impurities attached between the rotary tillage blades 302 are removed.
Further, a plurality of grooves 10 are formed in the cutter shaft 301, and an anti-winding cutter 5 is embedded in each groove 10.
The anti-winding cutting knife 5 adopts a mode that the groove 10 is embedded, so that the anti-winding cutting knife 5 is very convenient to detach and install, and the anti-winding cutting knife 5 can play an anti-winding role and prevent weeds from being wound on the output shaft.
Further, the power device of the mini-tiller is connected with a transmission. The power output shaft of the micro-cultivator is driven by a gasoline engine or a diesel engine through a transmission.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (9)
1. A rotary blade shaft of a mini-tiller and a connecting structure thereof are characterized in that: the power output left shaft (1) and the power output right shaft (2) of the mini-tiller are symmetrically arranged at two ends of the power box (4), and the power box (4) is a power transmission device of the mini-tiller;
the rotary tillage cutter assembly (3) is respectively detachably mounted on the micro-cultivator power output left shaft (1) and the micro-cultivator power output right shaft (2), and the anti-winding cutting knife (5) is detachably mounted on the rotary tillage cutter assembly (3).
2. The rotary blade shaft of the micro-cultivator of claim 1 and the connection structure thereof, wherein: the rotary blade assembly (3) comprises a blade shaft (301) and rotary blades (302), and the rotary blades (302) are fixed on the blade shaft (301) through bolts.
3. The rotary blade shaft of the micro-cultivator of claim 2 and the connection structure thereof, wherein: one end of the cutter shaft (301) is provided with an internal thread mounting hole (6), and the power output left shaft (1) and the power output right shaft (2) of the mini-tiller are external thread shafts matched with the internal thread mounting hole (6).
4. A rotary blade shaft of a micro-cultivator and a connection structure thereof as claimed in claim 3, wherein: one end of the cutter shaft (301) is provided with a tool withdrawal groove (7) at a position close to the internal thread mounting hole (6), and the width of the tool withdrawal groove (7) is matched with the outer diameters of the power output left shaft (1) and the power output right shaft (2) of the mini-tiller.
5. A rotary blade shaft of a micro-cultivator and a connection structure thereof as claimed in claim 3, wherein: the internal thread mounting hole (6) and the external thread shaft are both trapezoidal threads.
6. The rotary blade shaft of the micro-cultivator of claim 2 and the connection structure thereof, wherein: and an end cover (8) is arranged at the other end of the cutter shaft (301).
7. The rotary blade shaft of the micro-cultivator of claim 6 and the connection structure thereof, wherein: the end cover (8) is provided with a cross hole (9), and the cross hole (9) is used for inserting the rod piece unscrewing cutter set.
8. A rotary blade shaft of a micro-cultivator and a connection structure thereof as claimed in claim 3, wherein: the cutter shaft (301) is provided with a plurality of grooves (10), and anti-winding cutters (5) are embedded in the grooves (10).
9. The rotary blade shaft of the micro-cultivator of claim 1 and the connection structure thereof, wherein: the power device of the mini-tiller is connected with a transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045839.8U CN211880913U (en) | 2020-01-09 | 2020-01-09 | Rotary blade shaft of mini-tiller and connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045839.8U CN211880913U (en) | 2020-01-09 | 2020-01-09 | Rotary blade shaft of mini-tiller and connecting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211880913U true CN211880913U (en) | 2020-11-10 |
Family
ID=73297473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020045839.8U Expired - Fee Related CN211880913U (en) | 2020-01-09 | 2020-01-09 | Rotary blade shaft of mini-tiller and connecting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211880913U (en) |
-
2020
- 2020-01-09 CN CN202020045839.8U patent/CN211880913U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 Termination date: 20220109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |