CN205491699U - High low -speed transmission structure that reverses gear - Google Patents
High low -speed transmission structure that reverses gear Download PDFInfo
- Publication number
- CN205491699U CN205491699U CN201521030125.5U CN201521030125U CN205491699U CN 205491699 U CN205491699 U CN 205491699U CN 201521030125 U CN201521030125 U CN 201521030125U CN 205491699 U CN205491699 U CN 205491699U
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- China
- Prior art keywords
- gear
- main shaft
- countershaft
- master
- reverse gear
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Abstract
The utility model discloses a high low -speed transmission structure that reverses gear, 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, the cover is equipped with main shaft dual gea, the countershaft includes first countershaft and second layshaft, first countershaft, second layshaft and main shaft three are parallel, the loop has countershaft dual gear on first countershaft, gu the cover has a driven gear, loop reverse gear on second layshaft, slip through input gear realizes the just transform of input speed, through main shaft dual gea and slip reverse gear, the switching that the realization was reversed gear. Structure more than adopting, novel structure provides reversing gear of two 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 high low speed reverse gear structure.
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 the highest low speed reverse gear structure.
For achieving the above object, technical solutions of the utility model are as follows:
nullA kind of high low speed reverse gear structure，It is characterized by: include main shaft (A) and countershaft (B)，Described 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 (5)，This input gear (5) can slide axially along described first main shaft (1)，It is installed with the first master gear (6) near one end of described first main shaft (1) described second main shaft (2)，Described second main shaft (2) is set with the second master gear (7a) and the 3rd master gear (7b)，Wherein the second master gear (7a) is positioned between described first master gear (6) and described 3rd master gear (7b)，Fixing connection between described second master gear (7a) and the 3rd master gear (7b)，Form main shaft duplicate gear (7)，This main shaft duplicate gear (7) can slide axially along described second main shaft (2)，Described input gear (5) is provided with the first clutch tooth (10)，Described first master gear (6) is provided with the second clutch tooth (11)；Described countershaft (B) includes the first countershaft (3) and the second countershaft (4), this first countershaft (3), described second countershaft (4) and described main shaft (A) three are parallel to each other, the upper kink of first countershaft (3) has the first pinion (8a) and the second pinion (8b) wherein, fixing connection between this first pinion (8a) and described second pinion (8b), form countershaft duplicate gear (8), described first countershaft (3) is installed with the first driven gear (9), either end at the first countershaft (3) is provided with the first bevel gear (12), reverse gear (16) is had at the upper kink of described second countershaft (4)；Described second pinion (8b) is engaged with described first master gear (6), described input gear (5) along described first main shaft (1) slide axially time, make this input gear (5) and described first pinion (8a) engagement, or make described first clutch tooth (10) and described second clutch tooth (11) engagement, described main shaft duplicate gear (7) along the second main shaft (2) slide axially time, when making described main shaft duplicate gear (7) be positioned between described countershaft duplicate gear (8) and described first driven gear (9), described reverse gear (16) is slid axially along described second countershaft (4), make described reverse gear (16) engage with described 3rd master gear (7b) and described first driven gear (9) simultaneously.
Use above structure, novel structure, design ingenious, slip by input gear (5), realize the first main shaft (1) the high low speed friction speed transmission to the second main shaft (2), by slip main shaft duplicate gear (7) and reverse gear (16), complete the output reversed gear, provide the gear that reverses gear of two kinds of different output speeds altogether, thus realize the gear that reverses gear doubled, it is applicable to the various farming condition of production and environment, meets and produce actual needs.
As preferably: be provided with inner chamber (13) described first main shaft (1) near one end of described second main shaft (2), described second main shaft (2) stretches into this inner chamber (13) 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 (13) are connected by the first needle bearing (14).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 (8) and described first countershaft (3) are connected by the second needle bearing (14).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 (5) and described first main shaft (1) are connected by spline.Use above structure, simple and reliable for structure, it is achieved input gear (5) slides axially along the first main shaft (1).
As preferably: be installed with reverse gear mounting seat (17) on described second countershaft (4), described reverse gear (16) kink is in this reverse gear mounting seat (17).Using above structure, reverse gear (16) is not directly acted on when sliding, and adds the stability of structure, extends service life.
Beneficial effect: use the high low speed reverse gear structure of above technical scheme, simple in construction is novel, it is provided that the gear that reverses gear of two 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 right view of Fig. 1；
Fig. 3 is that Fig. 2 is along the profile at C-C.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
nullAs Figure 1-3，A kind of high low speed reverse gear structure，Including principal axis A and countershaft B，Described 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 13 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 13 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 13 are connected by the first needle bearing 14，Described first main shaft 1 is set with input gear 5，Described input gear 5 and described first main shaft 1 are connected by spline，Make this input gear 5 can slide axially along described first main shaft 1，It is installed with the first master gear 6 near one end of described first main shaft 1 at described second main shaft 2，Described second main shaft 2 is set with the second master gear 7a and the 3rd master gear 7b，Wherein the second master gear 7a is between described first master gear 6 and described 3rd master gear 7b，Fixing connection between described second master gear 7a and the 3rd master gear 7b，Form main shaft duplicate gear 7，This main shaft duplicate gear 7 can slide axially along described second main shaft 2，Described input gear 5 is provided with the first clutch tooth 10，Described first master gear 6 is provided with the second clutch tooth 11；Described countershaft B includes the first countershaft 3 and the second countershaft 4, this first countershaft 3, described second countershaft 4 and described principal axis A three are parallel to each other, on first countershaft 3, kink has the first pinion 8a and the second pinion 8b wherein, fixing connection between this first pinion 8a and described second pinion 8b, form countershaft duplicate gear 8, the most described countershaft duplicate gear 8 and described first countershaft 3 are connected by the second needle bearing 14, described first countershaft 3 is installed with the first driven gear 9, either end at the first countershaft 3 is provided with the first bevel gear 12, on described second countershaft 4, kink has reverse gear 16, i.e. on described second countershaft 4, it is installed with reverse gear mounting seat 17, described reverse gear 16 kink is in this reverse gear mounting seat 17；Described second pinion 8b engages with described first master gear 6, described input gear 5 along described first main shaft 1 slide axially time, make this input gear 5 and described first pinion 8a engagement, or make described first clutch tooth 10 and described second clutch tooth 11 engage, described main shaft duplicate gear 7 along the second main shaft 2 slide axially time, when making described main shaft duplicate gear 7 between described countershaft duplicate gear 8 and described first driven gear 9, described reverse gear 16 is slid axially along described second countershaft 4, make described reverse gear 16 engage with described 3rd master gear 7b and described first driven gear 9 simultaneously.
nullWhen low speed reverses gear，Input gear 5 slides axially，Input gear 5 and the first pinion 8a is made to engage，First main shaft 1 drives input gear 5 to rotate，Input gear 5 drives countershaft duplicate gear 8 to rotate，Countershaft duplicate gear 8 drives the first master gear 6 to rotate，First master gear 6 drives the second main shaft 2 to rotate，Second main shaft 2 drives main shaft duplicate gear 7 to rotate，Main shaft duplicate gear 7 slides axially，Make main shaft duplicate gear 7 between countershaft duplicate gear 8 and the first driven gear 9，Then reverse gear mounting seat 17 is slided along the second countershaft 4，The reverse gear 16 making kink in reverse gear mounting seat 17 engages with the 3rd master gear 7b and the first driven gear 9 simultaneously，Now the 3rd master gear 7b drives reverse gear 16 to rotate，Reverse gear 16 drives the first driven gear 9 to rotate，First driven gear 9 drives the first countershaft 3 to rotate，First countershaft 3 drives the first bevel gear 12 to rotate.
nullWhen reversing gear at a high speed，Input gear 5 slides axially，Input gear 5 is made to separate with the first pinion 8a，First clutch tooth 10 and the second clutch tooth 11 engage，First main shaft 1 drives the second main shaft 2 to rotate，First master gear 6 drives countershaft duplicate gear 8 to dally，Second main shaft 2 drives main shaft duplicate gear 7 to rotate，Main shaft duplicate gear 7 slides axially，Make main shaft duplicate gear 7 between countershaft duplicate gear 8 and the first driven gear 9，Then reverse gear mounting seat 17 is slided along the second countershaft 4，The reverse gear 16 making kink in reverse gear mounting seat 17 engages with the 3rd master gear 7b and the first driven gear 9 simultaneously，Now the 3rd master gear 7b drives reverse gear 16 to rotate，Reverse gear 16 drives the first driven gear 9 to rotate，First driven gear 9 drives the first countershaft 3 to rotate，First countershaft 3 drives the first bevel gear 12 to rotate.
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 (5)
1. one kind high low speed reverse gear structure, it is characterised in that: include main shaft (A) and countershaft (B),
Described main shaft (A) includes arranging the first main shaft (1) on the same line and the second main shaft (2), and this is years old
The either end of one main shaft (1) is connected with the either end kink of described second main shaft (2), main described first
Being set with input gear (5) on axle (1), this input gear (5) can be axial along described first main shaft (1)
Slide, be installed with the first master gear described second main shaft (2) near one end of described first main shaft (1)
(6), described second main shaft (2) is set with the second master gear (7a) and the 3rd master gear (7b),
Wherein the second master gear (7a) is positioned between described first master gear (6) and described 3rd master gear (7b),
Between described second master gear (7a) and the 3rd master gear (7b), fixing connection, forms main shaft duplicate gear
(7), this main shaft duplicate gear (7) can slide axially along described second main shaft (2), at described input tooth
Wheel (5) is provided with the first clutch tooth (10), is provided with the second clutch tooth (11) on described first master gear (6)；
Described countershaft (B) includes the first countershaft (3) and the second countershaft (4), this first countershaft (3), institute
State the second countershaft (4) and described main shaft (A) three is parallel to each other, wherein the upper kink of the first countershaft (3)
There are the first pinion (8a) and the second pinion (8b), this first pinion (8a) and the described second secondary tooth
Between wheel (8b), fixing connection, forms countershaft duplicate gear (8), at the upper solid set of described first countershaft (3)
Having the first driven gear (9), the either end at the first countershaft (3) is provided with the first bevel gear (12), in institute
State the upper kink of the second countershaft (4) and have reverse gear (16)；
Described second pinion (8b) is engaged with described first master gear (6), described input gear (5)
Along described first main shaft (1) slide axially time, make this input gear (5) and described first pinion (8a)
Engagement, or make described first clutch tooth (10) and described second clutch tooth (11) engagement, described main shaft is double
Connection gear (7) along the second main shaft (2) slide axially time, make described main shaft duplicate gear (7) be positioned at described
Time between countershaft duplicate gear (8) and described first driven gear (9), by described reverse gear (16)
Slide axially along described second countershaft (4), make described reverse gear (16) simultaneously with described 3rd master gear
(7b) engage with described first driven gear (9).
High low speed reverse gear structure the most according to claim 1, it is characterised in that: described first
Main shaft (1) is provided with inner chamber (13), described second main shaft (2) near one end of described second main shaft (2)
Stretch into this inner chamber (13) 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 (13) is connected by the first needle bearing (14).
High low speed reverse gear structure the most according to claim 1 and 2, it is characterised in that: described countershaft
Duplicate gear (8) and described first countershaft (3) are connected by the second needle bearing (14).
High low speed reverse gear structure the most according to claim 3, it is characterised in that: described input tooth
Wheel (5) and described first main shaft (1) are connected by spline.
5. according to the high low speed reverse gear structure described in claim 1 or 2 or 4, it is characterised in that: in institute
Stating and be installed with reverse gear mounting seat (17) on the second countershaft (4), described reverse gear (16) kink exists
In this reverse gear mounting seat (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030125.5U CN205491699U (en) | 2015-12-12 | 2015-12-12 | High low -speed transmission structure that reverses gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030125.5U CN205491699U (en) | 2015-12-12 | 2015-12-12 | High low -speed transmission structure that reverses gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205491699U true CN205491699U (en) | 2016-08-24 |
Family
ID=56720039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521030125.5U Expired - Fee Related CN205491699U (en) | 2015-12-12 | 2015-12-12 | High low -speed transmission structure that reverses gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205491699U (en) |
-
2015
- 2015-12-12 CN CN201521030125.5U patent/CN205491699U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20160824 Termination date: 20161212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |