CN205446579U - Go forward and keep off gear shifting mechanism - Google Patents
Go forward and keep off gear shifting mechanism Download PDFInfo
- Publication number
- CN205446579U CN205446579U CN201521034108.9U CN201521034108U CN205446579U CN 205446579 U CN205446579 U CN 205446579U CN 201521034108 U CN201521034108 U CN 201521034108U CN 205446579 U CN205446579 U CN 205446579U
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- Prior art keywords
- gear
- main shaft
- countershaft
- master
- duplicate
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Abstract
The utility model discloses a go forward and keep off gear shifting mechanism, main shaft and countershaft including parallel arrangement, wherein the main shaft is including setting up first main shaft and the the second spindle on same straight line, the cover is equipped with input gear on the first main shaft, admittedly, it has first master gear to overlap at the second spindle, main shaft dual gea is equipped with at the the second spindle cover, the loop has countershaft dual gear on the countershaft, solid cover has fast block driven gear and keeps off driven gear slowly on the countershaft, slip through input gear realizes the just transform of input speed, be equipped with the 2nd shifting fork mechanism on main shaft dual gea, slip through the 2nd shifting fork mechanism control main shaft dual gea realizes fast block and the transform that keeps off slowly. Structure more than adopting, novel structure provides ging forward of four kinds of friction speeds and has kept off the position to the fender position that the realization doubled is applicable to the various farming conditions of production and environment, satisfies the actual needs of production.
Description
Technical field
This utility model belongs to agricultural machinery technological field, is specifically related to a kind of forward gear gear changing mechanism.
Background technology
Tiller, with small diesel engine or gasoline engine as power, has lightweight, the features such as volume is little, simple in construction.Tiller is widely used in Plain, mountain area, the nonirrigated farmland on hills, paddy field, orchard etc..Mix corresponding facility to carry out drawing water, generate electricity, spray the operation such as medicine, spray, also can draw towed vehicle and carry out short-distance transport, tiller freely can be exercised in field, user-friendly and deposit, eliminate large-scale farm machinery and cannot be introduced into the worry of mountain area field, be vast farmers consumer substitute cattle plough optimum selection.
Only being joined directly together by ring flange between electromotor and the change speed gear box of tradition tiller, power is directly delivered in change speed gear box by a main shaft, and change speed gear box is respectively integrated with walking case, has main shaft, countershaft, reverse gear shaft, three kinds of axles in change speed gear box.By stirring the duplex spur gear position on main shaft, reverse gear shaft, can realize keeping off soon, keeping off slowly and reverse gear, gear is few, thus the advance of tiller is relative with the speed fallen back single, especially reverse gear only one of which, there is significant limitation in actual farming, it is impossible to meet and produce actual needs.Solve problem above and become the task of top priority.
Utility model content
For solving above technical problem, this utility model provides a kind of novel structure, designs forward gear gear changing mechanism cleverly.
For achieving the above object, technical solutions of the utility model are as follows:
nullA kind of forward gear gear changing mechanism，It is characterized by: include main shaft (A) and the countershaft (3) be arrangeding in parallel，Wherein main shaft (A) includes arranging the first main shaft (1) on the same line and the second main shaft (2)，The either end of this first main shaft (1) is connected with the either end kink of described second main shaft (2)，Described first main shaft (1) is set with input gear (4)，Input gear (4) can slide axially along described first main shaft (1)，Described input gear (4) is provided with the first clutch tooth (7)，It is installed with the first master gear (5) near one end of described first main shaft (1) described second main shaft (2)，This first master gear (5) is provided with the second clutch tooth (8)，Described second main shaft (2) is set with the second master gear (16a) and the 3rd master gear (16b)，Wherein the second master gear (16a) is positioned between described first master gear (5) and described 3rd master gear (16b)，Fixing connection between described second master gear (16a) and the 3rd master gear (16b)，Form main shaft duplicate gear (16)，This main shaft duplicate gear (16) can slide axially along described second main shaft (2)；The first pinion (61) and the second pinion (62) is had at the upper kink of described countershaft (3), fixing connection between this first pinion (61) and described second pinion (62), form countershaft duplicate gear (6), described countershaft (3) is installed with and keeps off driven gear (18) soon and keep off driven gear (19) slowly, described fast gear driven gear (18) is positioned at countershaft duplicate gear (6) and keeps off between driven gear (19) slowly, and the either end at described countershaft (3) is provided with the first bevel gear (9)；Described second pinion (62) is engaged with described first master gear (5), described input gear (4) along described first main shaft (1) slide axially time, make this input gear (4) and described first pinion (61) engagement, or make described first clutch tooth (7) and described second clutch tooth (8) engagement, described main shaft duplicate gear (16) along the second main shaft (2) slide axially time, make described second master gear (16a) and the engagement of described fast gear driven gear (18), or make described 3rd master gear (16b) and the engagement of described slow gear driven gear (19)；Described main shaft duplicate gear (16) is provided with the second shifting fork mechanism (21), this second shifting fork mechanism (21) includes that axle (21b) installed by the second shift fork, the either end installing axle (21b) at this second shift fork is provided with the second shifting fork piece (21a), this second shifting fork piece (21a) stretches between described second master gear (16a) and the 3rd master gear (16b), described main shaft duplicate gear (16) is promoted to slide along the second main shaft (2), installing the upper connection of axle (21b) at described second shift fork has reset rocking bar to install axle (21c), this reset rocking bar installs axle (21c) connection reduction torsion spring drag-line rocking bar.
Use above structure, novel structure, design ingenious, slided by input gear (4), realize the first main shaft (1) the high low speed friction speed transmission to the second main shaft (2), control main shaft duplicate gear (16) by the second shifting fork mechanism (21) to slide, realize fast gear and the gearshift of slow gear, provide the forward range of totally four kinds of different output speeds, i.e. add the forward range of a times, it is applicable to the various farming condition of production and environment, meets and produce actual needs.
As preferably: be provided with inner chamber (11) described first main shaft (1) near one end of described second main shaft (2), described second main shaft (2) stretches into this inner chamber (11) near one end of described first main shaft (1), and the inserting end of this second main shaft (2) and the cavity wall of described inner chamber (11) are connected by the first needle bearing (12).Use above structure, make contact surface be become sliding friction from rolling friction, effectively reduce the rate of wear of part.
As preferably: described countershaft duplicate gear (6) and described countershaft (3) are connected by the second needle bearing (17).Use above structure, make contact surface be become sliding friction from rolling friction, effectively reduce the rate of wear of part.
As preferably: described input gear (4) and described first main shaft (1) are connected by spline (9).Use above structure, simple and reliable for structure, it is achieved input gear (4) slides axially along the first main shaft (1).
Beneficial effect: use the forward gear gear changing mechanism of above technical scheme, simple in construction is novel, it is provided that the forward range of four kinds of friction speeds, thus realizes the gear doubled, it is adaptable to the various farming conditions of production and environment, meets and produces actual needs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the right view of Fig. 1；
Fig. 4 is that Fig. 3 is along the profile at B-B.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
nullAs Figure 1-4，A kind of forward gear gear changing mechanism，Including the principal axis A be arrangeding in parallel and countershaft 3，Wherein principal axis A includes the first main shaft 1 and the second main shaft 2 arranged on the same line，The either end of this first main shaft 1 is connected with the either end kink of described second main shaft 2，I.e. it is provided with inner chamber 11 at described first main shaft 1 near one end of described second main shaft 2，Described second main shaft 2 stretches into this inner chamber 11 near one end of described first main shaft 1，The inserting end of this second main shaft 2 and the cavity wall of described inner chamber 11 are connected by the first needle bearing 12，Described first main shaft 1 is set with input gear 4，Described input gear 4 and described first main shaft 1 are connected by spline 9，Make input gear 4 can slide axially along described first main shaft 1，Described input gear 4 is provided with the first clutch tooth 7，It is installed with the first master gear 5 near one end of described first main shaft 1 at described second main shaft 2，This first master gear 5 is provided with the second clutch tooth 8，Described second main shaft 2 is set with the second master gear 16a and the 3rd master gear 16b，Wherein the second master gear 16a is between described first master gear 5 and described 3rd master gear 16b，Fixing connection between described second master gear 16a and the 3rd master gear 16b，Form main shaft duplicate gear 16，This main shaft duplicate gear 16 can slide axially along described second main shaft 2；On described countershaft 3, kink has the first pinion 61 and the second pinion 62, fixing connection between this first pinion 61 and described second pinion 62, form countershaft duplicate gear 6, the most described countershaft duplicate gear 6 and described countershaft 3 are connected by the second needle bearing 17, described countershaft 3 is installed with fast gear driven gear 18 and slow gear driven gear 19, described fast gear driven gear 18 is between countershaft duplicate gear 6 and slow gear driven gear 19, and the either end at described countershaft 3 is provided with the first bevel gear 9；Described second pinion 62 engages with described first master gear 5, described input gear 4 along described first main shaft 1 slide axially time, this input gear 4 and described first pinion 61 is made to engage, or make described first clutch tooth 7 and described second clutch tooth 8 engage, described main shaft duplicate gear 16 along the second main shaft 2 slide axially time, make described second master gear 16a and described fast gear driven gear 18 engage, or make described 3rd master gear 16b and described slow gear driven gear 19 engage.
As shown in Figure 1 and Figure 4, described input gear (4) has been provided with the first shifting fork mechanism (20), this first shifting fork mechanism (20) includes that axle (20b) installed by the first shift fork, the either end installing axle (20b) at this first shift fork is provided with the first shifting fork piece (20a), described input gear (4) is provided with the first fork slot (10), described first shifting fork piece (20a) stretches into this first fork slot (10), described input gear (4) is promoted to slide along the first main shaft (1), the other end connection installing axle (20b) at described first shift fork has the first rocking arm to install axle (20c), this first rocking arm installs axle (20c) connection the first rocking arm.
As shown in Figure 1 and Figure 4, described main shaft duplicate gear (16) is provided with the second shifting fork mechanism (21), this second shifting fork mechanism (21) includes that axle (21b) installed by the second shift fork, the either end installing axle (21b) at this second shift fork is provided with the second shifting fork piece (21a), this second shifting fork piece (21a) stretches between described second master gear (16a) and the 3rd master gear (16b), described main shaft duplicate gear (16) is promoted to slide along the second main shaft (2), installing the upper connection of axle (21b) at described second shift fork has reset rocking bar to install axle (21c), this reset rocking bar installs axle (21c) connection reduction torsion spring drag-line rocking bar.
When low speed keeps off slowly, first shifting fork piece 20a makes input gear 4 slide axially, input gear 4 and the first pinion 61 is made to engage, first main shaft 1 drives input gear 4 to rotate, input gear 4 drives countershaft duplicate gear 6 to rotate, countershaft duplicate gear 6 drives the first master gear 5 to rotate, first master gear 5 drives the second main shaft 2 to rotate, second main shaft 2 drives main shaft duplicate gear 16 to rotate, second shifting fork piece 21a makes main shaft duplicate gear 16 slide axially, the 3rd master gear 16b and slow gear driven gear 19 is made to engage, main shaft duplicate gear 16 drives slow gear driven gear 19 to rotate, slow gear driven gear 19 drives the first countershaft 3 to rotate, first countershaft 3 drives the first bevel gear 9 to rotate, low speed is kept off power output by the first bevel gear 9 slowly.
When low speed keeps off soon, first shifting fork piece 20a makes input gear 4 slide axially, input gear 4 and the first pinion 61 is made to engage, first main shaft 1 drives input gear 4 to rotate, input gear 4 drives countershaft duplicate gear 6 to rotate, countershaft duplicate gear 6 drives the first master gear 5 to rotate, first master gear 5 drives the second main shaft 2 to rotate, second main shaft 2 drives main shaft duplicate gear 16 to rotate, second shifting fork piece 21a makes main shaft duplicate gear 16 slide axially, the 3rd master gear 16b and fast gear driven gear 18 is made to engage, main shaft duplicate gear 16 drives fast gear driven gear 18 to rotate, fast gear driven gear 18 drives the first countershaft 3 to rotate, first countershaft 3 drives the first bevel gear 9 to rotate, low speed is kept off power output by the first bevel gear 9 soon.
When keeping off slowly at a high speed, first shifting fork piece 20a makes input gear 4 slide axially, input gear 4 and the first pinion 61 is made to separate, first clutch tooth 7 and the second clutch tooth 8 engage, first main shaft 1 drives input gear 4 to rotate, input gear 4 drives the second main shaft 2 to rotate, second main shaft 2 drives the first master gear 5 and main shaft duplicate gear 16 to rotate, first master gear 5 drives countershaft duplicate gear 6 to dally, second shifting fork piece 21a makes main shaft duplicate gear 16 slide axially, the 3rd master gear 16b and slow gear driven gear 19 is made to engage, main shaft duplicate gear 16 drives slow gear driven gear 19 to rotate, slow gear driven gear 19 drives the first countershaft 3 to rotate, first countershaft 3 drives the first bevel gear 9 to rotate, first bevel gear 9 will the slowest gear power output.
When keeping off soon at a high speed, first shifting fork piece 20a makes input gear 4 slide axially, input gear 4 and the first pinion 61 is made to separate, first clutch tooth 7 and the second clutch tooth 8 engage, first main shaft 1 drives input gear 4 to rotate, input gear 4 drives the second main shaft 2 to rotate, second main shaft 2 drives the first master gear 5 and main shaft duplicate gear 16 to rotate, first master gear 5 drives countershaft duplicate gear 6 to dally, second shifting fork piece 21a makes main shaft duplicate gear 16 slide axially, the 3rd master gear 16b and fast gear driven gear 18 is made to engage, main shaft duplicate gear 16 drives fast gear driven gear 18 to rotate, fast gear driven gear 18 drives the first countershaft 3 to rotate, first countershaft 3 drives the first bevel gear 9 to rotate, first bevel gear 9 is by the gear power output of high speed block.
Finally need explanation; foregoing description is only preferred embodiment of the present utility model; those skilled in the art is under enlightenment of the present utility model; on the premise of this utility model objective and claim; represent, within such conversion each falls within protection domain of the present utility model as can making multiple types.
Claims (4)
- null1. a forward gear gear changing mechanism，It is characterized in that: include main shaft (A) and the countershaft (3) be arrangeding in parallel，Wherein main shaft (A) includes arranging the first main shaft (1) on the same line and the second main shaft (2)，The either end of this first main shaft (1) is connected with the either end kink of described second main shaft (2)，Described first main shaft (1) is set with input gear (4)，Input gear (4) can slide axially along described first main shaft (1)，Described input gear (4) is provided with the first clutch tooth (7)，It is installed with the first master gear (5) near one end of described first main shaft (1) described second main shaft (2)，This first master gear (5) is provided with the second clutch tooth (8)，Described second main shaft (2) is set with the second master gear (16a) and the 3rd master gear (16b)，Wherein the second master gear (16a) is positioned between described first master gear (5) and described 3rd master gear (16b)，Fixing connection between described second master gear (16a) and the 3rd master gear (16b)，Form main shaft duplicate gear (16)，This main shaft duplicate gear (16) can slide axially along described second main shaft (2)；The first pinion (61) and the second pinion (62) is had at the upper kink of described countershaft (3), fixing connection between this first pinion (61) and described second pinion (62), form countershaft duplicate gear (6), described countershaft (3) is installed with and keeps off driven gear (18) soon and keep off driven gear (19) slowly, described fast gear driven gear (18) is positioned at countershaft duplicate gear (6) and keeps off between driven gear (19) slowly, and the either end at described countershaft (3) is provided with the first bevel gear (9)；Described second pinion (62) is engaged with described first master gear (5), described input gear (4) along described first main shaft (1) slide axially time, make this input gear (4) and described first pinion (61) engagement, or make described first clutch tooth (7) and described second clutch tooth (8) engagement, described main shaft duplicate gear (16) along the second main shaft (2) slide axially time, make described second master gear (16a) and the engagement of described fast gear driven gear (18), or make described 3rd master gear (16b) and the engagement of described slow gear driven gear (19)；Described main shaft duplicate gear (16) is provided with the second shifting fork mechanism (21), this second shifting fork mechanism (21) includes that axle (21b) installed by the second shift fork, the either end installing axle (21b) at this second shift fork is provided with the second shifting fork piece (21a), this second shifting fork piece (21a) stretches between described second master gear (16a) and the 3rd master gear (16b), described main shaft duplicate gear (16) is promoted to slide along the second main shaft (2), installing the upper connection of axle (21b) at described second shift fork has reset rocking bar to install axle (21c), this reset rocking bar installs axle (21c) connection reduction torsion spring drag-line rocking bar.
- Forward gear gear changing mechanism the most according to claim 1, it is characterized in that: be provided with inner chamber (11) described first main shaft (1) near one end of described second main shaft (2), described second main shaft (2) stretches into this inner chamber (11) near one end of described first main shaft (1), and the inserting end of this second main shaft (2) and the cavity wall of described inner chamber (11) are connected by the first needle bearing (12).
- Forward gear gear changing mechanism the most according to claim 1 and 2, it is characterised in that: described countershaft duplicate gear (6) and described countershaft (3) are connected by the second needle bearing (17).
- Forward gear gear changing mechanism the most according to claim 3, it is characterised in that: described input gear (4) and described first main shaft (1) are connected by spline (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034108.9U CN205446579U (en) | 2015-12-12 | 2015-12-12 | Go forward and keep off gear shifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034108.9U CN205446579U (en) | 2015-12-12 | 2015-12-12 | Go forward and keep off gear shifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446579U true CN205446579U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521034108.9U Expired - Fee Related CN205446579U (en) | 2015-12-12 | 2015-12-12 | Go forward and keep off gear shifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105325087A (en) * | 2015-12-12 | 2016-02-17 | 威马农业机械有限公司 | Forward gear changing mechanism of mini-tiller |
| CN106838141A (en) * | 2017-04-06 | 2017-06-13 | 重庆宗申巴贝锐拖拉机制造有限公司 | A kind of garden supervisor dual output gear changing mechanism |
-
2015
- 2015-12-12 CN CN201521034108.9U patent/CN205446579U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105325087A (en) * | 2015-12-12 | 2016-02-17 | 威马农业机械有限公司 | Forward gear changing mechanism of mini-tiller |
| CN106838141A (en) * | 2017-04-06 | 2017-06-13 | 重庆宗申巴贝锐拖拉机制造有限公司 | A kind of garden supervisor dual output gear changing mechanism |
| CN106838141B (en) * | 2017-04-06 | 2023-09-19 | 重庆宗申通用动力机械有限公司 | Dual-output gear shifting mechanism of field management machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20161212 |