CN205371480U - High low -speed gearshift - Google Patents
High low -speed gearshift Download PDFInfo
- Publication number
- CN205371480U CN205371480U CN201521029408.8U CN201521029408U CN205371480U CN 205371480 U CN205371480 U CN 205371480U CN 201521029408 U CN201521029408 U CN 201521029408U CN 205371480 U CN205371480 U CN 205371480U
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- CN
- China
- Prior art keywords
- main shaft
- gear
- input gear
- countershaft
- pinion
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a high low -speed gearshift, including parallel arrangement's main shaft and countershaft, wherein the main shaft is including setting up first main shaft and the the second spindle on same straight line, and the cover is equipped with input gear on the first main shaft, and it has first master gear to overlap admittedly at the second spindle, and the loop has a countershaft dual gear on the countershaft, makes input gear slide on first main shaft through shifting fork mechanism, realizes the transform of height input speed. Structure more than adopting, novel structure realizes that the main shaft provides high low -speed two kinds of input speeds to ploughing quick -witted gearbox a little to the fender position that the realization doubled has increased the optional exit velocity of one time promptly, 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 height quick change retaining device.
Background technology
Tiller, with small diesel engine or gasoline engine for 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, it may be achieved keeping off soon, keep 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, and design is height quick change retaining device cleverly.
For achieving the above object, technical solutions of the utility model are as follows:
A kind of height quick change retaining device, it is characterized by: include the main shaft (A) and the countershaft (3) that be arranged 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), this 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)；The first pinion (61) and the second pinion (62) is had at the upper kink of described countershaft (3), between this first pinion (61) and described second pinion (62), fixing connection, forms countershaft duplicate gear (6)；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 input gear (4) is provided with shifting fork mechanism, this shifting fork mechanism includes shift fork and installs axle (14), the either end installing axle (14) at this shift fork is provided with shifting fork piece (13), described input gear (4) is provided with fork slot, described shifting fork piece (13) stretches into this fork slot, described input gear (4) is promoted to slide along the first main shaft (1), the other end installing axle (14) at described shift fork is connected to rocking arm installation axle (15), one end that this rocking arm installation axle (15) installs axle (14) away from described shift fork is connected to rocking arm (16).
Adopt above structure, novel structure, design ingenious, the movement of shifting fork piece (13) is controlled by rocking arm (16), and then control the slip of input gear (4), the first main shaft (1) is made to drive the second main shaft (2) high-speed rotation by input gear (4), or make the first main shaft (1) drive input gear (4) to rotate, input gear (4) drives countershaft duplicate gear (6) to slowly run, countershaft duplicate gear (6) drives the second main shaft (2) to slowly run, realize the first main shaft (1) the high low speed friction speed transmission to the second main shaft (2), and then realize main shaft (A) to gear box of micro-cultivator offer high low speed two kinds input speed, thus realizing the gear doubled, namely one times of optional output speed is added, suitable in the various farming conditions of production and environment, meet 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).Adopt 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).Adopt 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).Adopt above structure, simple and reliable for structure, it is achieved input gear (4) slides axially along the first main shaft (1).
Beneficial effect: adopt the height quick change retaining device of above technical scheme, novel structure, realize main shaft (A) and gear box of micro-cultivator is provided high low speed two kinds input speed, thus realizing the gear doubled, namely one times of optional output speed is added, suitable in the various farming conditions of production and environment, meet and produce actual needs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the Fig. 2 profile along B-B place.
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 height quick change retaining device，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 of arranging 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，Namely 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；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, forms countershaft duplicate gear 6, described countershaft duplicate gear 6 and described countershaft 3 and is connected by the second needle bearing 17；Described second pinion 62 engages 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 engage, or make described first clutch tooth 7 and described second clutch tooth 8 engage；Described input gear 4 is provided with shifting fork mechanism, this shifting fork mechanism includes shift fork and installs axle 14, the either end installing axle 14 at this shift fork is provided with shifting fork piece 13, described input gear 4 is provided with fork slot, described shifting fork piece 13 stretches into this fork slot, promoting described input gear 4 to slide along the first main shaft 1, the other end installing axle 14 at described shift fork is connected to rocking arm installation axle 15, and one end that this rocking arm installation axle 15 installs axle 14 away from described shift fork is connected to rocking arm 16.
Shake rocking arm 16, shifting fork piece 13 is made to drive input gear 4 to slide axially along the first main shaft 1 to the direction near the second main shaft 2, the first clutch tooth 7 on input gear 4 and the second clutch tooth 8 on the first master gear 5 is made to engage, when first main shaft 1 rotates, input gear 4 is driven to rotate, input gear 4 drives the second main shaft 2 to rotate, now the second main shaft 2 high-speed rotation.
Reversely shake rocking arm 16, shifting fork piece 13 is made to drive input gear 4 to slide axially along the first main shaft 1 to the direction away from the second main shaft 2, the first clutch tooth 7 on input gear 4 and the second clutch tooth 8 on the first master gear 5 is made to separate, input gear 4 engages with the first pinion 61 of the countershaft duplicate gear 6 on countershaft 3, second pinion 62 of countershaft duplicate gear 6 engages with the first master gear 5, when first main shaft 1 rotates, input gear 4 is driven 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, now the second main shaft 2 slowly runs.
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; under the premise without prejudice to this utility model objective and claim; can making and representing like multiple types, such conversion each falls within protection domain of the present utility model.
Claims (4)
1. a height quick change retaining device, it is characterized in that: include the main shaft (A) and the countershaft (3) that be arranged 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)；
The first pinion (61) and the second pinion (62) is had at the upper kink of described countershaft (3), between this first pinion (61) and described second pinion (62), fixing connection, forms countershaft duplicate gear (6)；
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 input gear (4) is provided with shifting fork mechanism, this shifting fork mechanism includes shift fork and installs axle (14), the either end installing axle (14) at this shift fork is provided with shifting fork piece (13), described input gear (4) is provided with fork slot, described shifting fork piece (13) stretches into this fork slot, described input gear (4) is promoted to slide along the first main shaft (1), the other end installing axle (14) at described shift fork is connected to rocking arm installation axle (15), one end that this rocking arm installation axle (15) installs axle (14) away from described shift fork is connected to rocking arm (16).
2. height quick change retaining device 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).
3. height quick change retaining device 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).
4. height quick change retaining device 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 |
|---|---|---|---|
| CN201521029408.8U CN205371480U (en) | 2015-12-12 | 2015-12-12 | High low -speed gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521029408.8U CN205371480U (en) | 2015-12-12 | 2015-12-12 | High low -speed gearshift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371480U true CN205371480U (en) | 2016-07-06 |
Family
ID=56280236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521029408.8U Expired - Fee Related CN205371480U (en) | 2015-12-12 | 2015-12-12 | High low -speed gearshift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371480U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805489A (en) * | 2019-03-31 | 2019-05-28 | 瑞安市德恒机械有限公司 | A kind of bathing cap machine |
| CN111891290A (en) * | 2020-08-15 | 2020-11-06 | 朱光明 | Gear shaft transmission assembly, bicycle driving mechanism and bicycle with same |
-
2015
- 2015-12-12 CN CN201521029408.8U patent/CN205371480U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805489A (en) * | 2019-03-31 | 2019-05-28 | 瑞安市德恒机械有限公司 | A kind of bathing cap machine |
| CN111891290A (en) * | 2020-08-15 | 2020-11-06 | 朱光明 | Gear shaft transmission assembly, bicycle driving mechanism and bicycle with same |
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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: 20160706 Termination date: 20161212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |