CN105325087A - Forward gear changing mechanism of mini-tiller - Google Patents
Forward gear changing mechanism of mini-tiller Download PDFInfo
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- CN105325087A CN105325087A CN201510919268.XA CN201510919268A CN105325087A CN 105325087 A CN105325087 A CN 105325087A CN 201510919268 A CN201510919268 A CN 201510919268A CN 105325087 A CN105325087 A CN 105325087A
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- gear
- main shaft
- master
- countershaft
- duplicate
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Abstract
The invention discloses a forward gear changing mechanism of a mini-tiller. The forward gear changing mechanism comprises a main shaft and an auxiliary shaft which are arranged in parallel. The main shaft comprises a first main shaft body and a second main shaft body which are arranged on the same straight line. The first main shaft body is sleeved with an input gear, and the second main shaft body is fixedly sleeved with a first main gear and is sleeved with a main shaft duplicate gear. The auxiliary shaft is movably sleeved with an auxiliary shaft duplicate gear, and is fixedly sleeved with a fast-gear driven gear and a slow-gear driven gear. The high input speed and the low input speed can be switched by sliding the input gear; a second shifting fork mechanism is arranged on the main shaft duplicate gear, and sliding of the main shaft duplicate gear is controlled through the second shifting fork mechanism so that a fast gear and a slow gear can be switched. By the adoption of the structure, the structure is novel, four forward gears of different speeds are provided, hence, the doubled gears can be obtained, the forward gear changing mechanism is suitable for various cultivation production conditions and environments, and the actual production need is met.
Description
Technical field
The invention belongs to agricultural machinery technological field, be specifically related to a kind of mini-size tillage machine forward gear gear changing mechanism.
Background technology
Mini-size tillage machine with small diesel engine or gasoline engine for power, the features such as have lightweight, volume is little, and structure is simple.Mini-size tillage 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, mini-size tillage 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 engine of tradition mini-size tillage machine is only directly connected by flange 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 mini-size tillage 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 mini-size tillage machine forward gear gear changing mechanism cleverly.
For achieving the above object, technical solution of the present invention is as follows:
A kind of mini-size tillage machine forward gear gear changing mechanism, its main points are: comprise the main shaft (A) and countershaft (3) that be arranged in parallel, wherein main shaft (A) 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 (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), the first master gear (5) is installed with 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), be fixedly connected with 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), be fixedly connected with 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, is provided with the first bevel gear (9) in the either end of described countershaft (3), described second pinion (62) is engaged with described first master gear (5), when described input gear (4) slides axially along described first main shaft (1), 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, when described main shaft duplicate gear (16) slides axially along the second main shaft (2), make described second master gear (16a) and described fast gear driven gear (18) engagement, or make described 3rd master gear (16b) and described slow gear driven gear (19) engagement, described main shaft duplicate gear (16) is provided with the second shifting fork mechanism (21), this second shifting fork mechanism (21) comprises the second shift fork installation shaft (21b), in the either end of this second shift fork installation shaft (21b), the second shifting fork piece (21a) is installed, this second shifting fork piece (21a) stretches between described second master gear (16a) and the 3rd master gear (16b), promote described main shaft duplicate gear (16) to slide along the second main shaft (2), described second shift fork installation shaft (21b) is connected with reset rocking bar installation shaft (21c), this reset rocking bar installation shaft (21c) is connected with reduction torsion spring drag-line rocking bar.
Adopt above structure, novel structure, design ingenious, slided by input gear (4), realize the high low speed friction speed transmission of the first main shaft (1) to the second main shaft (2), control main shaft duplicate gear (16) by the second shifting fork mechanism (21) to slide, realize the gearshift of fast gear and slow gear, provide the advance gear of totally four kinds of different output speeds, namely the advance gear of a times is added, be applicable to the various farming condition 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) is connected by the first needle bearing (12) with the chamber wall of described inner chamber (11).Adopt above structure, make contact surface become sliding friction from rolling friction, effectively reduce the rate of wear of part.
As preferably: described countershaft duplicate gear (6) is connected by the second needle bearing (17) with described countershaft (3).Adopt above structure, make contact surface become sliding friction from rolling friction, effectively reduce the rate of wear of part.
As preferably: described input gear (4) is connected by spline (9) with described first main shaft (1).Adopt above structure, simple and reliable for structure, realize input gear (4) and slide axially along the first main shaft (1).
Beneficial effect: the mini-size tillage machine forward gear gear changing mechanism adopting above technical scheme, structure is simply novel, provides the advance gear of four kinds of friction speeds, thus the gear that realization doubles, be applicable to the various farming condition of production and environment, meet and produce actual needs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is the profile of Fig. 3 along B-B place.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
As Figure 1-4, a kind of mini-size tillage machine forward gear gear changing mechanism, comprise the principal axis A and countershaft 3 that be arranged in parallel, wherein principal axis A 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 11 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 11 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 12 with the chamber wall of described inner chamber 11, described first main shaft 1 is set with input gear 4, described input gear 4 is connected by spline 9 with described first main shaft 1, input gear 4 can be slid axially along described first main shaft 1, described input gear 4 is provided with the first clutch tooth 7, the first master gear 5 is installed with 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, be fixedly connected with 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, be fixedly connected with between this first pinion 61 and described second pinion 62, form countershaft duplicate gear 6, namely described countershaft duplicate gear 6 is connected by the second needle bearing 17 with described countershaft 3, described countershaft 3 is installed with fast gear driven gear 18 and slow gear driven gear 19, described fast gear driven gear 18, between countershaft duplicate gear 6 and slow gear driven gear 19, is provided with the first bevel gear 9 in the either end of described countershaft 3, described second pinion 62 engages with described first master gear 5, when described input gear 4 slides axially along described first main shaft 1, this input gear 4 and described first pinion 61 are engaged, or described first clutch tooth 7 and described second clutch tooth 8 are engaged, when described main shaft duplicate gear 16 slides axially along the second main shaft 2, described second master gear 16a and described fast gear driven gear 18 are engaged, or described 3rd master gear 16b and described slow gear driven gear 19 are engaged.
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) comprises the first shift fork installation shaft (20b), in the either end of this first shift fork installation shaft (20b), the first shifting fork piece (20a) is installed, 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), promote described input gear (4) to slide along the first main shaft (1), the first rocking arm installation shaft (20c) is connected with at the other end of described first shift fork installation shaft (20b), this the first rocking arm installation shaft (20c) is connected with 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) comprises the second shift fork installation shaft (21b), in the either end of this second shift fork installation shaft (21b), the second shifting fork piece (21a) is installed, this second shifting fork piece (21a) stretches between described second master gear (16a) and the 3rd master gear (16b), promote described main shaft duplicate gear (16) to slide along the second main shaft (2), described second shift fork installation shaft (21b) is connected with reset rocking bar installation shaft (21c), this reset rocking bar installation shaft (21c) is connected with 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 are engaged, 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, 3rd master gear 16b and slow gear driven gear 19 are engaged, 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 are engaged, 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, 3rd master gear 16b and fast gear driven gear 18 are engaged, 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 is separated with the first pinion 61, 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, 3rd master gear 16b and slow gear driven gear 19 are engaged, 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 keep off Power output at a high speed slowly.
When keeping off soon at a high speed, first shifting fork piece 20a makes input gear 4 slide axially, input gear 4 is separated with the first pinion 61, 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, 3rd master gear 16b and fast gear driven gear 18 are engaged, 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 high speed block gear Power output.
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 (4)
1. a mini-size tillage machine forward gear gear changing mechanism, it is characterized in that: comprise the main shaft (A) and countershaft (3) that be arranged in parallel, wherein main shaft (A) 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 (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), the first master gear (5) is installed with 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), be fixedly connected with 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), be fixedly connected with 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, is provided with the first bevel gear (9) in the either end of described countershaft (3);
Described second pinion (62) is engaged with described first master gear (5), when described input gear (4) slides axially along described first main shaft (1), 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, when described main shaft duplicate gear (16) slides axially along the second main shaft (2), make described second master gear (16a) and described fast gear driven gear (18) engagement, or make described 3rd master gear (16b) and described slow gear driven gear (19) engagement,
Described main shaft duplicate gear (16) is provided with the second shifting fork mechanism (21), this second shifting fork mechanism (21) comprises the second shift fork installation shaft (21b), in the either end of this second shift fork installation shaft (21b), the second shifting fork piece (21a) is installed, this second shifting fork piece (21a) stretches between described second master gear (16a) and the 3rd master gear (16b), promote described main shaft duplicate gear (16) to slide along the second main shaft (2), described second shift fork installation shaft (21b) is connected with reset rocking bar installation shaft (21c), this reset rocking bar installation shaft (21c) is connected with reduction torsion spring drag-line rocking bar.
2. mini-size tillage machine forward gear gear changing mechanism 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) is connected by the first needle bearing (12) with the chamber wall of described inner chamber (11).
3. mini-size tillage machine forward gear gear changing mechanism according to claim 1 and 2, is characterized in that: described countershaft duplicate gear (6) is connected by the second needle bearing (17) with described countershaft (3).
4. mini-size tillage machine forward gear gear changing mechanism according to claim 3, is characterized in that: described input gear (4) is connected by spline (9) with described first main shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919268.XA CN105325087A (en) | 2015-12-12 | 2015-12-12 | Forward gear changing mechanism of mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919268.XA CN105325087A (en) | 2015-12-12 | 2015-12-12 | Forward gear changing mechanism of mini-tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105325087A true CN105325087A (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510919268.XA Pending CN105325087A (en) | 2015-12-12 | 2015-12-12 | Forward gear changing mechanism of mini-tiller |
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| Country | Link |
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| CN (1) | CN105325087A (en) |
Cited By (1)
| 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 |
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| JP2001090833A (en) * | 1999-09-20 | 2001-04-03 | Seirei Ind Co Ltd | Transmission for controlling machine |
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| CN103291853A (en) * | 2013-06-28 | 2013-09-11 | 重庆威马农业机械有限公司 | Power structure of engine gearbox body |
| CN203248623U (en) * | 2013-04-07 | 2013-10-23 | 重庆华田浩犁机械有限责任公司 | Reverse gear assembly structure of miniature tilling machine |
| CN205446579U (en) * | 2015-12-12 | 2016-08-10 | 威马农业机械有限公司 | Go forward and keep off gear shifting mechanism |
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2015
- 2015-12-12 CN CN201510919268.XA patent/CN105325087A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1600526A (en) * | 1977-04-27 | 1981-10-14 | Kubota Ltd | Vehicle |
| JP2001090833A (en) * | 1999-09-20 | 2001-04-03 | Seirei Ind Co Ltd | Transmission for controlling machine |
| CN202310485U (en) * | 2011-12-01 | 2012-07-11 | 宁德市冠牛农机制造有限公司 | Transmission case mechanism of cultivating machine |
| CN202732864U (en) * | 2012-08-20 | 2013-02-13 | 李云 | Variable-speed gear shifting transmission device |
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| CN103291853A (en) * | 2013-06-28 | 2013-09-11 | 重庆威马农业机械有限公司 | Power structure of engine gearbox body |
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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 |
| 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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Application publication date: 20160217 |
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