CN105351458A - Speed change mechanism of micro tillage machine - Google Patents
Speed change mechanism of micro tillage machine Download PDFInfo
- Publication number
- CN105351458A CN105351458A CN201510931439.0A CN201510931439A CN105351458A CN 105351458 A CN105351458 A CN 105351458A CN 201510931439 A CN201510931439 A CN 201510931439A CN 105351458 A CN105351458 A CN 105351458A
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- Prior art keywords
- gear
- main shaft
- countershaft
- reverse
- master
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
- F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0043—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising four forward speeds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
- F16H2200/0086—Transmissions for multiple ratios characterised by the number of reverse speeds the gear ratios comprising two reverse speeds
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a speed change mechanism of a micro tillage machine. The speed change mechanism comprises a main shaft and an auxiliary shaft arranged in parallel, wherein the main shaft comprises a first main shaft and a second main shaft which are arranged on the same line; an input gear is mounted on the first main shaft in a sleeving manner, and is fixedly sheathed with a first main gear is fixedly arranged on the second main shaft in a sleeving manner, and a main shaft duplex gear is mounted on the second main shaft in a sleeving manner; the auxiliary shaft includes a first auxiliary shaft and a second auxiliary shaft; the first auxiliary shaft and the second auxiliary shaft are parallel to the main shaft; an auxiliary shaft duplex gear is movably arranged on the first auxiliary shaft in a sleeving manner, and a quick gear driven gear and a slow gear driven gear are fixedly arranged on the first auxiliary shaft in a sleeving manner; a reverse gear is movably arranged on the second auxiliary shaft in a sleeving manner; through the sliding of the input gear, high and low input speed transformation is achieved; through the sliding of the main shaft duplex gear ,a third shifting fork mechanism is arranged on the reverse gear, and the third shifting fork mechanism controls the sliding of the reverse gear so as to achieve reverse gear switch. With Adoption of the structure, four forward gears of different speeds and two reverse gears of the different speeds can be provided, so as to adapt to various farming production conditions and meet the needs of actual production.
Description
Technical field
The invention belongs to agricultural machinery technological field, be specifically related to a kind of gear shift mechanism for mini-tiller.
Background technique
Microtilling machine with small diesel engine or petrol engine for power, the features such as have lightweight, volume is little, and structure is simple.Microtilling machine is widely used in the nonirrigated farmland, paddy field, orchard etc. on Plain, mountain area, hills.Mix corresponding facility can carry out drawing water, generate electricity, spray the operation such as medicine, spray, also can draw towed vehicle and carry out short-distance transport, microtilling machine freely can be exercised in field, user-friendly and deposit, eliminating the worry that large-scale farm machinery cannot enter mountain area field, is that vast farmers Consumer substitutes the cultivated optimal selection of ox.
The motor of tradition microtilling machine is only directly connected by flange plate with between gearbox, and power is directly delivered in gearbox by a main shaft, and gearbox is respectively integrated with walking case, has main shaft, countershaft, reverse gear shaft, three kinds of axles in gearbox.By stirring the duplex spur gear position on main shaft, reverse gear shaft, can realize fast gear, keep off and reverse gear slowly, gear is few, thus the advance of microtilling machine is relative with the speed fallen back single, especially reverse gear and only have one, there is significant limitation in actual farming, can not meet and produce actual needs.Overcome the above problems and become the task of top priority.
Summary of the invention
For solving above technical problem, the invention provides a kind of novel structure, designing gear shift mechanism for mini-tiller cleverly.
For achieving the above object, technical solution of the present invention is as follows:
A kind of gear shift mechanism for mini-tiller, its main points are: comprise main shaft and countershaft, described main shaft comprises setting 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), the first master gear (6) is installed with 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), be fixedly connected with 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 (13), described first master gear (6) is provided with the second clutch tooth (14), described countershaft comprises the first countershaft (3) and the second countershaft (4), this first countershaft (3), described second countershaft (4) and described main shaft three are parallel to each other, the upper kink of first countershaft (3) has the first pinion (8a) and the second pinion (8b) wherein, be fixedly connected with between this first pinion (8a) and described second pinion (8b), form countershaft duplicate gear (8), described first countershaft (3) is installed with and keeps off driven gear (9) soon and keep off driven gear (10) slowly, described fast gear driven gear (9) is positioned at countershaft duplicate gear (8) and keeps off between driven gear (10) slowly, the first bevel gear (12) is provided with in the either end of the first countershaft (3), reverse gear (11) is had at the upper kink of described second countershaft (4), described second pinion (8b) is engaged with described first master gear (6), when described input gear (5) slides axially along described first main shaft (1), make this input gear (5) and described first pinion (8a) engagement, or make described first clutch tooth (13) and described second clutch tooth (14) engagement, when described main shaft duplicate gear (7) slides axially along the second main shaft (2), make described second master gear (7a) and described fast gear driven gear (9) engagement, or make described 3rd master gear (7b) and described slow gear driven gear (10) engagement, when described main shaft duplicate gear (7) is positioned between described fast gear driven gear (9) and described slow gear driven gear (10), described reverse gear (11) is slid axially along described second countershaft (4), described reverse gear (11) is engaged with described 3rd master gear (7b) and described slow gear driven gear (10) simultaneously, described reverse gear (11) is provided with the 3rd shifting fork mechanism (21), 3rd shifting fork mechanism (21) comprises the 3rd shift fork installation shaft (21b), in the either end of the 3rd shift fork installation shaft (21b), the 3rd shifting fork piece (21a) is installed, described second countershaft (4) is arranged with reverse gear reseting pressuring spring, this reverse gear reseting pressuring spring and described 3rd shifting fork piece (21a) lay respectively at described reverse gear (11) both sides, described 3rd shifting fork piece (21a) promotes reverse gear (11) and slides to reverse gear reseting pressuring spring direction, described reverse gear reseting pressuring spring oppositely promotes reverse gear (11) and resets, rocking arm installation shaft (21c) of reversing gear is connected with at the other end of described 3rd shift fork installation shaft (21b), this rocking arm installation shaft (21c) of reversing gear is connected with the rocking arm that reverses gear (21d).
Adopt above structure, novel structure, design ingenious, by the slip of input gear (5), realize the high low speed friction speed transmission of the first main shaft (1) to the second main shaft (2), in conjunction with the slip of main shaft duplicate gear (7) and the slip of the 3rd shifting fork mechanism (21) control reverse gear (11), provide the advance gear of four kinds of different output speeds altogether, the gear that reverses gear of two kinds of different output speeds, thus realize the advance gear that doubles and the gear that reverses gear, be applicable to various farming PRODUCTION STATUS and environment, meet and produce actual needs.
As preferably: be provided with inner chamber (15) described first main shaft (1) near one end of described second main shaft (2), described second main shaft (2) stretches into this inner chamber (15) near one end of described first main shaft (1), and the inserting end of this second main shaft (2) is connected by the first needle bearing (16) with the chamber wall of described inner chamber (15).Adopt above structure, make surface of contact become sliding friction from rolling friction, effectively reduce the rate of wear of part.
As preferably: described countershaft duplicate gear (8) is connected by the second needle bearing (17) with described first countershaft (3).Adopt above structure, make surface of contact 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) pass through spline joint.Adopt above structure, simple and reliable for structure, realize input gear (5) and slide axially along the first main shaft (1).
As preferably: be installed with reverse gear fitting seat (18) on described second countershaft (4), described reverse gear (11) kink is on this reverse gear fitting seat (18).Adopt above structure, not by direct effect when reverse gear (11) slides, add the stability of structure, extend working life.
Beneficial effect: the gear shift mechanism for mini-tiller adopting above technological scheme, structure is simply novel, provide the advance gear of four kinds of friction speeds and the gear that reverses gear of two kinds of friction speeds, thus the gear that realization doubles, be applicable to various farming PRODUCTION STATUS and environment, meet and produce actual needs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the sectional drawing of Fig. 2 along B-B place.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
As Figure 1-3, a kind of gear shift mechanism for mini-tiller, comprise main shaft and countershaft, described main shaft comprises setting the first main shaft 1 and the second main shaft 2 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 inner chamber 15 is provided with 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 15 near one end of described first main shaft 1, the inserting end of this second main shaft 2 is connected by the first needle bearing 16 with the chamber wall of described inner chamber 15, described first main shaft 1 is set with input gear 5, described input gear 5 and described first main shaft 1 pass through spline joint, this input gear 5 can be slid axially along described first main shaft 1, the first master gear 6 is installed with 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, be fixedly connected with 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 13, described first master gear 6 is provided with the second clutch tooth 14, described countershaft comprises the first countershaft 3 and the second countershaft 4, this first countershaft 3, described second countershaft 4 and described main shaft three are parallel to each other, on first countershaft 3, kink has the first pinion 8a and the second pinion 8b wherein, be fixedly connected with between this first pinion 8a and described second pinion 8b, form countershaft duplicate gear 8, described countershaft duplicate gear 8 is connected by the second needle bearing 17 with described first countershaft 3, described first countershaft 3 is installed with fast gear driven gear 9 and slow gear driven gear 10, described fast gear driven gear 9 is between countershaft duplicate gear 8 and slow gear driven gear 10, the first bevel gear 12 is provided with in the either end of the first countershaft 3, on described second countershaft 4, kink has reverse gear 11, namely on described second countershaft 4, reverse gear fitting seat 18 is installed with, described reverse gear 11 kink is on this reverse gear fitting seat 18, described second pinion 8b engages with described first master gear 6, when described input gear 5 slides axially along described first main shaft 1, this input gear 5 and described first pinion 8a are engaged, or described first clutch tooth 13 and described second clutch tooth 14 are engaged, when described main shaft duplicate gear 7 slides axially along the second main shaft 2, described second master gear 7a and described fast gear driven gear 9 are engaged, or described 3rd master gear 7b and described slow gear driven gear 10 are engaged, when described main shaft duplicate gear 7 is between described fast gear driven gear 9 and described slow gear driven gear 10, described reverse gear 11 is slid axially along described second countershaft 4, described reverse gear 11 is engaged with described 3rd master gear 7b and described slow gear driven gear 10 simultaneously.
As shown in Figure 1, described input gear (5) is provided with the first shifting fork mechanism (19), this first shifting fork mechanism (19) comprises the first shift fork installation shaft (19b), in the either end of this first shift fork installation shaft (19b), the first shifting fork piece (19a) is installed, described input gear (5) is provided with the first fork slot, described first shifting fork piece (19a) stretches into this first fork slot, promote described input gear (5) to slide along the first main shaft (1), the first rocking arm installation shaft (19c) is connected with at the other end of described first shift fork installation shaft (19b), this the first rocking arm installation shaft (19c) is connected with the first rocking arm,
As shown in Figure 1, described main shaft duplicate gear (7) is provided with the second shifting fork mechanism (20), this second shifting fork mechanism (20) comprises the second shift fork installation shaft (20b), in the either end of this second shift fork installation shaft (20b), the second shifting fork piece (20a) is installed, this second shifting fork piece (20a) stretches between described second master gear (7a) and the 3rd master gear (7b), promote described main shaft duplicate gear (7) to slide along the second main shaft (2), described second shift fork installation shaft (20b) is connected with reset rocking bar installation shaft (20c), this reset rocking bar installation shaft (20c) is connected with reduction torsion spring drag-line rocking bar,
As shown in Figure 1, described reverse gear (11) is provided with the 3rd shifting fork mechanism (21), 3rd shifting fork mechanism (21) comprises the 3rd shift fork installation shaft (21b), in the either end of the 3rd shift fork installation shaft (21b), the 3rd shifting fork piece (21a) is installed, described second countershaft (4) is arranged with reverse gear reseting pressuring spring, this reverse gear reseting pressuring spring and described 3rd shifting fork piece (21a) lay respectively at described reverse gear (11) both sides, described 3rd shifting fork piece (21a) promotes reverse gear (11) and slides to reverse gear reseting pressuring spring direction, described reverse gear reseting pressuring spring oppositely promotes reverse gear (11) and resets, rocking arm installation shaft (21c) of reversing gear is connected with at the other end of described 3rd shift fork installation shaft (21b), this rocking arm installation shaft (21c) of reversing gear is connected with the rocking arm that reverses gear (21d).
When low speed keeps off advance slowly, first shifting fork mechanism 19 control inputs gear 5 slides axially, input gear 5 and the first pinion 8a are engaged, 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, second shifting fork mechanism 20 controls main shaft duplicate gear 7 and slides axially, 3rd master gear 7b and slow gear driven gear 10 are engaged, main shaft duplicate gear 7 drives slow gear driven gear 10 to rotate, slow gear driven gear 10 drives the first countershaft 3 to rotate, first countershaft 3 drives the first bevel gear 12 to rotate.
When low speed keeps off advance soon, first shifting fork mechanism 19 control inputs gear 5 slides axially, input gear 5 and the first pinion 8a are engaged, 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, second shifting fork mechanism 20 controls main shaft duplicate gear 7 and slides axially, second master gear 7a and fast gear driven gear 9 are engaged, main shaft duplicate gear 7 drives fast gear driven gear 9 to rotate, fast gear driven gear 9 drives the first countershaft 3 to rotate, first countershaft 3 drives the first bevel gear 12 to rotate.
When low speed reverses gear, first shifting fork mechanism 19 control inputs gear 5 slides axially, input gear 5 and the first pinion 8a are engaged, 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, second shifting fork mechanism 20 controls main shaft duplicate gear 7 and slides axially, make main shaft duplicate gear 7 between fast gear driven gear 9 and slow gear driven gear 10, then the 3rd shifting fork mechanism 21 controls reverse gear fitting seat 18 and slides along the second countershaft 4, make the reverse gear 11 of kink on reverse gear fitting seat 18 simultaneously with the 3rd master gear 7b with keep off driven gear 10 slowly and engage, now the 3rd master gear 7b drives reverse gear 11 to rotate, reverse gear 11 drives slow gear driven gear 10 to rotate, slow gear driven gear 10 drives the first countershaft 3 to rotate, first countershaft 3 drives the first bevel gear 12 to rotate.
When slow gear advances at a high speed, first shifting fork mechanism 19 control inputs gear 5 slides axially, input gear 5 is separated with the first pinion 8a, first clutch tooth 10 and the second clutch tooth 11 engage, first main shaft 1 drive second main shaft 2 rotates, first master gear 6 drives countershaft duplicate gear 8 to dally, second main shaft 2 drives main shaft duplicate gear 7 to rotate, second shifting fork mechanism 20 controls main shaft duplicate gear 7 and slides axially, 3rd master gear 7b and slow gear driven gear 10 are engaged, main shaft duplicate gear 7 drives slow gear driven gear 10 to rotate, slow gear driven gear 10 drives the first countershaft 3 to rotate, first countershaft 3 drives the first bevel gear 12 to rotate.
When fast gear advances at a high speed, first shifting fork mechanism 19 control inputs gear 5 slides axially, input gear 5 is separated with the first pinion 8a, first clutch tooth 10 and the second clutch tooth 11 engage, first main shaft 1 drive second main shaft 2 rotates, first master gear 6 drives countershaft duplicate gear 8 to dally, second main shaft 2 drives main shaft duplicate gear 7 to rotate, second shifting fork mechanism 20 controls main shaft duplicate gear 7 and slides axially, second master gear 7a and fast gear driven gear 9 are engaged, main shaft duplicate gear 7 drives fast gear driven gear 9 to rotate, fast gear driven gear 9 drives the first countershaft 3 to rotate, first countershaft 3 drives the first bevel gear 12 to rotate.
When reversing gear at a high speed, first shifting fork mechanism 19 control inputs gear 5 slides axially, input gear 5 is separated with the first pinion 8a, first clutch tooth 10 and the second clutch tooth 11 engage, first main shaft 1 drive second main shaft 2 rotates, first master gear 6 drives countershaft duplicate gear 8 to dally, second main shaft 2 drives main shaft duplicate gear 7 to rotate, second shifting fork mechanism 20 controls main shaft duplicate gear 7 and slides axially, make main shaft duplicate gear 7 between fast gear driven gear 9 and slow gear driven gear 10, then the 3rd shifting fork mechanism 21 controls reverse gear fitting seat 18 and slides along the second countershaft 4, make the reverse gear 11 of kink on reverse gear fitting seat 18 simultaneously with the 3rd master gear 7b with keep off driven gear 10 slowly and engage, now the 3rd master gear 7b drives reverse gear 11 to rotate, reverse gear 11 drives slow gear driven gear 10 to rotate, slow gear driven gear 10 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 the preferred embodiments of the present invention, those skilled in the art under enlightenment of the present invention, under the prerequisite without prejudice to present inventive concept and claim; can make like multiple types and representing, such conversion all falls within protection scope of the present invention.
Claims (5)
1. a gear shift mechanism for mini-tiller, it is characterized in that: comprise main shaft and countershaft, described main shaft comprises setting 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), the first master gear (6) is installed with 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), be fixedly connected with 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 (13), described first master gear (6) is provided with the second clutch tooth (14),
Described countershaft comprises the first countershaft (3) and the second countershaft (4), this first countershaft (3), described second countershaft (4) and described main shaft three are parallel to each other, the upper kink of first countershaft (3) has the first pinion (8a) and the second pinion (8b) wherein, be fixedly connected with between this first pinion (8a) and described second pinion (8b), form countershaft duplicate gear (8), described first countershaft (3) is installed with and keeps off driven gear (9) soon and keep off driven gear (10) slowly, described fast gear driven gear (9) is positioned at countershaft duplicate gear (8) and keeps off between driven gear (10) slowly, the first bevel gear (12) is provided with in the either end of the first countershaft (3), reverse gear (11) is had at the upper kink of described second countershaft (4),
Described second pinion (8b) is engaged with described first master gear (6), when described input gear (5) slides axially along described first main shaft (1), make this input gear (5) and described first pinion (8a) engagement, or make described first clutch tooth (13) and described second clutch tooth (14) engagement, when described main shaft duplicate gear (7) slides axially along the second main shaft (2), make described second master gear (7a) and described fast gear driven gear (9) engagement, or make described 3rd master gear (7b) and described slow gear driven gear (10) engagement, when described main shaft duplicate gear (7) is positioned between described fast gear driven gear (9) and described slow gear driven gear (10), described reverse gear (11) is slid axially along described second countershaft (4), described reverse gear (11) is engaged with described 3rd master gear (7b) and described slow gear driven gear (10) simultaneously,
Described reverse gear (11) is provided with the 3rd shifting fork mechanism (21), 3rd shifting fork mechanism (21) comprises the 3rd shift fork installation shaft (21b), in the either end of the 3rd shift fork installation shaft (21b), the 3rd shifting fork piece (21a) is installed, described second countershaft (4) is arranged with reverse gear reseting pressuring spring, this reverse gear reseting pressuring spring and described 3rd shifting fork piece (21a) lay respectively at described reverse gear (11) both sides, described 3rd shifting fork piece (21a) promotes reverse gear (11) and slides to reverse gear reseting pressuring spring direction, described reverse gear reseting pressuring spring oppositely promotes reverse gear (11) and resets, rocking arm installation shaft (21c) of reversing gear is connected with at the other end of described 3rd shift fork installation shaft (21b), this rocking arm installation shaft (21c) of reversing gear is connected with the rocking arm that reverses gear (21d).
2. gear shift mechanism for mini-tiller according to claim 1, it is characterized in that: be provided with inner chamber (15) described first main shaft (1) near one end of described second main shaft (2), described second main shaft (2) stretches into this inner chamber (15) near one end of described first main shaft (1), and the inserting end of this second main shaft (2) is connected by the first needle bearing (16) with the chamber wall of described inner chamber (15).
3. gear shift mechanism for mini-tiller according to claim 1 and 2, is characterized in that: described countershaft duplicate gear (8) is connected by the second needle bearing (17) with described first countershaft (3).
4. gear shift mechanism for mini-tiller according to claim 3, is characterized in that: described input gear (5) and described first main shaft (1) pass through spline joint.
5. the gear shift mechanism for mini-tiller according to claim 1 or 2 or 4, it is characterized in that: on described second countershaft (4), be installed with reverse gear fitting seat (18), described reverse gear (11) kink is on this reverse gear fitting seat (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510931439.0A CN105351458A (en) | 2015-12-12 | 2015-12-12 | Speed change mechanism of micro tillage machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510931439.0A CN105351458A (en) | 2015-12-12 | 2015-12-12 | Speed change mechanism of micro tillage machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105351458A true CN105351458A (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510931439.0A Pending CN105351458A (en) | 2015-12-12 | 2015-12-12 | Speed change mechanism of micro tillage machine |
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| Country | Link |
|---|---|
| CN (1) | CN105351458A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107489742A (en) * | 2017-08-14 | 2017-12-19 | 永祺（中国）车业股份有限公司 | Power transmission shaft and gearbox integrated driving structure |
-
2015
- 2015-12-12 CN CN201510931439.0A patent/CN105351458A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107489742A (en) * | 2017-08-14 | 2017-12-19 | 永祺（中国）车业股份有限公司 | Power transmission shaft and gearbox integrated driving structure |
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Application publication date: 20160224 |