CN214888655U - Plough quick-witted sword of ploughing of declining and reverse gear rotation-proof mechanism - Google Patents
Plough quick-witted sword of ploughing of declining and reverse gear rotation-proof mechanism Download PDFInfo
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- CN214888655U CN214888655U CN202023120031.0U CN202023120031U CN214888655U CN 214888655 U CN214888655 U CN 214888655U CN 202023120031 U CN202023120031 U CN 202023120031U CN 214888655 U CN214888655 U CN 214888655U
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- gear
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- reverse gear
- tilling
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000003971 tillage Methods 0.000 claims abstract description 30
- 230000002265 prevention Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 230000007935 neutral effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- -1 generate electricity Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of agricultural machinery, in particular to a mini-tiller tilling knife reverse gear rotation prevention mechanism, which comprises a belt pulley (1), a main shaft (2), an auxiliary shaft (3), a third shaft (4), a walking box (14), a tilling knife transmission gear box (12) and a tilling knife rotating shaft (13), wherein the belt pulley (1) is coaxially connected with the main shaft (2), the auxiliary shaft (3) and the third shaft (4) are installed in the walking box (14), the main shaft (2) is further sleeved with a low-speed duplicate gear (5) and a high-speed duplicate gear (6), and the auxiliary shaft (3) is sequentially sleeved with a first gear (7), a tilling knife power transmission gear (11), a third gear (9), an auxiliary shaft output wheel (301) and a second gear (8); the third shaft (4) is sleeved with a reverse gear (10); has the advantages that: the effect that the tillage knife does not rotate while the reverse gear is engaged is realized, the safety of the mini-tiller is improved, and the mini-tiller has good popularization value.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, in particular to a reverse gear rotation-proof mechanism of a tilling knife of a mini-tiller.
Background
The mini-tiller uses a small diesel engine or a gasoline engine as power and has the characteristics of light weight, small volume, simple structure and the like. The micro-tillage machine is widely applicable to dry lands, paddy fields, orchards and the like in plains, mountainous areas and hills. The tractor can pump water, generate electricity, spray pesticide, spray and other operations when matched with corresponding machines, can also pull the trailer to carry out short-distance transportation, can freely run in the field by the mini-tiller, is convenient for users to use and store, saves the trouble that large agricultural machinery can not enter mountain fields, and is the best choice for vast farmers to replace cattle farming.
The tillage knife of the traditional mini-tiller keeps rotating when the mini-tiller is in reverse gear (namely, in a reverse state of the mini-tiller), and part of the deep ploughs are provided with anti-rotating devices, but the tillage knife is stopped by a brake mechanism; for personal safety, the mini-tiller should be kept from rotating when going backwards, and the mechanism for braking the tilling blade through the brake mechanism also has problems: 1. The plowing knife braking mechanism needs to be actively operated by a person, namely, the plowing knife braking mechanism needs to be operated after the reverse gear is hung, the process is complex and tedious, and the situations of forgetting to operate and not operating for convenience are easy to occur; 2. the braking mechanism of the tillage knife stops the rotation of the tillage knife through strong action, and is easy to damage and malfunction after long-term use. Therefore, it is urgent to design a reverse gear rotation prevention mechanism for a tillage knife of a micro-tillage machine to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model designs a mini-tiller tilling knife reverse gear rotation prevention mechanism.
The utility model adopts the technical proposal that:
a ploughing knife reverse gear rotation prevention mechanism of a mini-tiller comprises a belt pulley 1, a main shaft 2, an auxiliary shaft 3, a third shaft 4, a walking box 14, a ploughing knife transmission gear box 12 and a ploughing knife rotating shaft 13, wherein the belt pulley 1 is coaxially connected with the main shaft 2, and the main shaft 2, the auxiliary shaft 3 and the third shaft 4 are installed in the walking box 14; the third shaft 4 is sleeved with a reverse gear 10; the main shaft 2, the auxiliary shaft 3 and the third shaft 4 are arranged in the walking box 14 in a triangular mode, and the installation distances among the main shaft 2, the auxiliary shaft 3 and the third shaft 4 can ensure that corresponding gears on the main shaft 2, the auxiliary shaft 3 and the third shaft 4 are meshed.
Preferably, the low-speed dual gear 5 further includes a low-coupling left gear 501 and a low-coupling right gear 502, and the low-speed dual gear 5 has a moving range in the main shaft 2, which ensures that the low-coupling left gear 501 and the low-coupling right gear 502 need to engage different gears for shifting to first gear, neutral gear and reverse gear.
Preferably, the high-speed double gear 6 further comprises a high-speed left gear 601 and a high-speed right gear 602, and the high-speed double gear 6 has a moving range in the main shaft 2 for ensuring that the high-speed left gear 601 and the high-speed right gear 602 need to engage different gears when shifting from the second gear, the neutral gear and the third gear.
Preferably, the reverse gear 10 is fixedly mounted on the third shaft 4, the reverse gear 10 further includes a reverse left gear 1001 and a reverse right gear 1002, the reverse left gear 1001 is engaged with the first gear 7, and the reverse right gear 1002 is engaged with the low-coupled left gear 501 when the reverse gear is engaged.
Preferably, the traveling box 14 is further provided with a power output gear 15 of the tilling blade, and the power transmission gear 11 of the tilling blade realizes power transmission by the gear engagement of the power output gear 15 of the tilling blade and the transmission gear box 12 of the tilling blade.
Preferably, the main shaft 2 is mounted on the traveling box 14 through a bearing.
Preferably, the auxiliary shaft 3 is mounted on the traveling box 14 through a bearing.
Preferably, the power transmission gear 11 of the tillage knife is mounted on the auxiliary shaft 3 through a bearing, and the bearing is limited through a sleeve.
Preferably, the power output gear 15 of the tilling blade transmits power to the tilling blade rotating shaft 13 through a transmission gear set in the tilling blade transmission gear box 12.
The beneficial technical effects are as follows: the utility model discloses a when hanging the reverse gear, the low antithetical couplet left-hand gear tooth 501 of low-speed duplicate gear 5 and the reverse gear left-hand gear tooth 1001 meshing of reverse gear 10, make one keep off gear 7 through reverse gear 10 and realize the reversal, low-speed duplicate gear 5 position is in and makes low antithetical couplet left-hand gear tooth 501 and execute the state that plough sword power transmission gear 11 takes off the meshing this moment, consequently, power transmission does not arrive and execute and plough sword power transmission gear 11, executed when having realized hanging the reverse gear and plough the irrotational effect of sword, very big improvement the security of ploughing the machine a little, and has fine spreading value.
Drawings
Fig. 1 is a half sectional view of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is an a-a development view of the present invention.
Fig. 4 is a schematic diagram of a power output structure of the present invention.
In the figure: the tillage knife power transmission device comprises a belt pulley 1, a main shaft 2, an auxiliary shaft 3, an auxiliary shaft output wheel 301, a third shaft 4, a low-speed duplicate gear 5, a low-speed duplicate left gear 501, a low-speed duplicate right gear 502, a high-speed duplicate gear 6, a high-speed duplicate left gear 601, a high-speed duplicate right gear 602, a first gear 7, a second gear 8, a third gear 9, a reverse gear 10, a reverse gear left gear 1001, a reverse gear right gear 1002, a tillage knife power transmission gear 11, a tillage knife transmission gear box 12, a tillage knife rotating shaft 13, a walking box 14 and a tillage knife power output gear 15.
Detailed Description
To facilitate an understanding of the present application, the present application will be described more fully hereinafter with reference to the accompanying fig. 1-4; preferred embodiments of the present application are illustrated in the accompanying drawings; this application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.
As shown in fig. 1-4, the utility model relates to a ploughing knife reverse gear rotation-proof mechanism of mini-tiller, which comprises a belt pulley 1, a main shaft 2, an auxiliary shaft 3, an auxiliary shaft output wheel 301, a third shaft 4, a low-speed duplicate gear 5, a high-speed duplicate gear 6, a first gear 7, a second gear 8, a third gear 9, a reverse gear 10, a ploughing knife power transmission gear 11, a ploughing knife transmission gear case 12, a ploughing knife rotating shaft 13, a walking case 14 and a ploughing knife power output gear 15. The belt pulley 1 is coaxially and fixedly connected with the main shaft 2 through a bolt, so that power is transmitted into the traveling box 14, and the main shaft 2, the auxiliary shaft 3 and the third shaft 4 are arranged on a box body of the traveling box 14 in a triangular distribution manner inside the traveling box 14; the left and right sides of the main shaft 2 are respectively sleeved with a low-speed duplicate gear 5 and a high-speed duplicate gear 6, the part of the main shaft 2 in the walking box 14 is a spline, the hole walls of the low-speed duplicate gear 5 and the high-speed duplicate gear 6 are provided with the splines corresponding to the splines, so that the low-speed duplicate gear 5 and the high-speed duplicate gear 6 can linearly slide on the main shaft 2, the low-speed duplicate gear 5 further comprises a low-coupling left gear 501 and a low-coupling right gear 502, and the low-speed duplicate gear 5 has a moving range which ensures that the low-coupling left gear 501 and the low-coupling right gear 502 need to be engaged with different gears for shifting to one gear, neutral gear and reverse gear on the main shaft 2; the high-speed duplicate gear 6 further comprises a high-speed duplicate left gear tooth 601 and a high-speed duplicate right gear tooth 602, and the high-speed duplicate gear 6 has a moving range which ensures that the high-speed duplicate left gear tooth 601 and the high-speed duplicate right gear tooth 602 need to be meshed with different gears for two-gear shifting, neutral shifting and three-gear shifting at the main shaft 2. The auxiliary shaft 3 is sleeved with a first gear 7, a power transmission gear 11 of the tillage knife, a third gear 9, an auxiliary shaft output wheel 301 and a second gear 8 in sequence. The main shaft 2 and the auxiliary shaft 3 are mounted on the traveling box 14 through bearings. The third shaft 4 is sleeved with a reverse gear 10, the reverse gear 10 is fixedly installed on the third shaft 4, and the reverse gear 10 is limited through the sleeve and the ladder shape of the third shaft 4. The reverse gear 10 further includes a reverse left gear 1001 and a reverse right gear 1002, the reverse left gear 1001 is engaged with the first gear 7, and the reverse right gear 1002 is engaged with the low-coupling left gear 501 when the reverse gear is engaged.
In the embodiment, in the gear engaging process, the shifting fork is clamped in the gear ring of the low-speed duplicate gear 5 or the high-speed duplicate gear 6 through the gear shifting mechanism formed by connecting the shifting fork and the speed changing handle, so that the low-speed duplicate gear 5 or the high-speed duplicate gear 6 slides to different positions to be meshed with different gears; in order to realize the meshing with different gears, the installation distance among the main shaft 2, the auxiliary shaft 3 and the third shaft 4 is required to ensure that the corresponding gears on the main shaft 2, the auxiliary shaft 3 and the third shaft 4 realize the meshing.
In the embodiment, the walking box 14 is also provided with a power output gear 15 of the tillage knife, and the power transmission gear 11 of the tillage knife realizes power transmission through the gear engagement of the power output gear 15 of the tillage knife and the transmission gear box 12 of the tillage knife; the power transmission gear 11 of the tillage knife is arranged on the auxiliary shaft 3 through a bearing and limits the bearing through a sleeve.
In the present embodiment, the power output gear 15 of the tilling blade transmits power to the tilling blade rotating shaft 13 through a transmission gear set in the tilling blade transmission gear box 12.
The working principle is as follows: the gear can be shifted to slide on the main shaft 2 through a gear shifting mechanism formed by connecting a shifting fork and a speed changing handle, and the gear slides to different positions to change different gears; in a neutral gear state, the low-link left gear 501 is not meshed, and the low-link right gear 502 is meshed with the power transmission gear 11 of the tillage knife to realize power output to the tillage knife rotating shaft 13; in the first gear state, the low-coupling left gear 501 is meshed with the first gear 7, and the low-coupling right gear 502 is meshed with the power transmission gear 11 of the tillage knife; in the second gear state, the low-speed duplicate gear 5 is in a neutral state (i.e., the low-link right gear tooth 502 is meshed with the power transmission gear 11 of the tillage knife), and the high-link right gear tooth 602 is meshed with the second gear 8; in a third gear state, the low-speed duplicate gear 5 is in a neutral gear state (namely the low-link right gear tooth 502 is meshed with the power transmission gear 11 of the tillage knife), and the high-link left gear tooth 601 is meshed with the third gear 9; in a reverse gear state, the low-coupling left gear 501 is meshed with the reverse gear right gear 1002, the low-coupling right gear 502 is not meshed to transmit the power transmission gear 11 of the tillage knife, the reverse gear left gear 1001 is meshed with the first gear 7, and the first gear 7 rotates reversely because the reverse gear 10 is additionally arranged between the low-coupling left gear 501 and the first gear 7; in summary, only when the reverse gear is in the gear position, the lower right gear tooth 502 is disengaged from the power transmission gear 11 of the tillage knife, so that the tillage knife is not rotated when the reverse gear is engaged.
Claims (8)
1. A tilling knife reverse gear rotation prevention mechanism of a mini-tiller comprises a belt pulley (1), a main shaft (2), an auxiliary shaft (3), a third shaft (4), a walking box (14), a tilling knife transmission gear box (12) and a tilling knife rotating shaft (13), wherein the belt pulley (1) is coaxially connected with the main shaft (2), and the main shaft (2), the auxiliary shaft (3) and the third shaft (4) are installed in the walking box (14), and the tilling knife reverse gear rotation prevention mechanism is characterized in that the main shaft (2) is further sleeved with a low-speed duplicate gear (5) and a high-speed duplicate gear (6), and the auxiliary shaft (3) is sequentially sleeved with a first gear (7), a tilling knife power transmission gear (11), a third gear (9), an auxiliary shaft output wheel (301) and a second gear (8); the main shaft (2), the auxiliary shaft (3) and the third shaft (4) are arranged in the walking box (14) in a triangular mode, and the installation distance among the main shaft (2), the auxiliary shaft (3) and the third shaft (4) can ensure that corresponding gears on the main shaft (2), the auxiliary shaft (3) and the third shaft (4) are meshed; the third shaft (4) is sleeved with a reverse gear (10); reverse gear (10) fixed mounting on third axle (4), reverse gear (10) still including reverse gear left teeth of a cogwheel (1001) and reverse gear right teeth of a cogwheel (1002), reverse gear left teeth of a cogwheel (1001) and a gear wheel (7) meshing, reverse gear right teeth of a cogwheel (1002) with the meshing of low antithetical couplet left teeth of a cogwheel (501) when putting into reverse gear.
2. The mechanism for preventing rotation of the tillage knife of the mini-tiller according to claim 1, wherein the low-speed duplicate gear (5) further comprises a low-coupling left gear (501) and a low-coupling right gear (502), and the low-speed duplicate gear (5) has a moving range in the main shaft (2) for ensuring that the low-coupling left gear (501) and the low-coupling right gear (502) are engaged with different gears for shifting to one gear, neutral gear and reverse gear.
3. The reverse gear rotation prevention mechanism for the tilling blade of a mini-tiller according to claim 1, wherein the high-speed duplicate gear (6) further comprises a high-linkage left gear (601) and a high-linkage right gear (602), and the high-speed duplicate gear (6) has a moving range in the main shaft (2) for ensuring that the high-linkage left gear (601) and the high-linkage right gear (602) are engaged with different gears for two-gear shifting, neutral shifting and three-gear shifting.
4. The reverse gear rotation prevention mechanism for the tilling blade of a mini-tiller according to claim 1, wherein the walking box (14) is further provided with a tilling blade power output gear (15), and the tilling blade power transmission gear (11) realizes power transmission through gear engagement of the tilling blade power output gear (15) and the tilling blade transmission gear box (12).
5. The reverse gear rotation prevention mechanism of the tillage knife of the mini-tiller according to claim 1, wherein the main shaft (2) is mounted on the walking box (14) through a bearing.
6. The reverse gear rotation prevention mechanism of the tilling blade of the mini-tiller according to claim 1, wherein the auxiliary shaft (3) is mounted on the traveling box (14) through a bearing.
7. The reverse gear rotation prevention mechanism of the tilling blade of the mini-tiller according to claim 1, wherein the tilling blade power transmission gear (11) is mounted on the auxiliary shaft (3) through a bearing and is limited by a sleeve.
8. The reverse gear rotation prevention mechanism for the tilling blade of a mini-tiller according to claim 4, wherein the tilling blade power output gear (15) transmits power to the tilling blade rotating shaft (13) through a transmission gear set in the tilling blade transmission gear box (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023120031.0U CN214888655U (en) | 2020-12-22 | 2020-12-22 | Plough quick-witted sword of ploughing of declining and reverse gear rotation-proof mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023120031.0U CN214888655U (en) | 2020-12-22 | 2020-12-22 | Plough quick-witted sword of ploughing of declining and reverse gear rotation-proof mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214888655U true CN214888655U (en) | 2021-11-26 |
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ID=78904654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023120031.0U Expired - Fee Related CN214888655U (en) | 2020-12-22 | 2020-12-22 | Plough quick-witted sword of ploughing of declining and reverse gear rotation-proof mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214888655U (en) |
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2020
- 2020-12-22 CN CN202023120031.0U patent/CN214888655U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |