CN104482138A - Variable transmission mechanism for mini tiller - Google Patents
Variable transmission mechanism for mini tiller Download PDFInfo
- Publication number
- CN104482138A CN104482138A CN201410714623.5A CN201410714623A CN104482138A CN 104482138 A CN104482138 A CN 104482138A CN 201410714623 A CN201410714623 A CN 201410714623A CN 104482138 A CN104482138 A CN 104482138A
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- China
- Prior art keywords
- gear
- countershaft
- transmission mechanism
- variable transmission
- live axle
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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
- F16H3/16—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion essentially with both gears that can be put out of gear and continuously-meshing gears that can be disengaged from their shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a variable transmission mechanism for a mini tiller. The mechanism comprises a transmission box body, a main shaft assembly, a secondary shaft assembly, a driving shaft assembly and a reverse gear shaft assembly; the main shaft assembly comprises a main shaft for inputting the power, and a transmission gear which sleeves the main shaft by an idle manner and does not rotate synchronous with the main shaft; the secondary shaft assembly comprises a secondary shaft, a gear shifting gear and a reversing gear, wherein the gear shifting gear and the reversing gear sleeve a secondary shaft and can axially slide along the secondary shaft; the driving shaft assembly comprises a driving shaft, and a driving gear which sleeves the driving shaft; the driving gear normally engages with the transmission gear; the secondary shaft and the driving shaft are coaxially arranged and can synchronously rotate or differentially rotate. According to the variable transmission mechanism for the mini tiller, the whole structure is simple, compact and reliable; the variable transmission mechanism has the characteristics of being high in transmission efficiency, high in impact resistance and high in reliability. The invention also discloses a mini tiller employing the variable transmission mechanism for the mini tiller. The mini tiller has the characteristics that a plurality of gears are provided, the output rotating speed can vary in a wide range, and a plurality of functions are achieved, besides the rotary tilling function.
Description
Technical field
The present invention relates to a kind of variable transmission mechanism, be specifically related to a kind of variable transmission mechanism of micro-tillage machine and microtilling machine thereof.
Background technique
Microtilling machine is a kind of small agricultural farming machine, is mainly used in the region rotary tillage process such as nonirrigated farmland, paddy field, orchard of Pingba, mountain area, rolling country, mixes corresponding facility and can carry out drawing water, spraying the operation such as medicine, spray.Along with the development of society, the function of user to microtilling machine proposes increasing requirement, wishes while possessing rotary tillage function, can realize blowing snow by adding annex, cut the additional function such as grass and cleaning.But the gear of existing microtilling machine is fairly simple, gear is few, and great majority only have two forward gearss and a reverse gear function, and minority also has three forward gearss and a reverse gear function; Output speed is also very fast, and mainly meet the requirement of rotary tillage process, when needs carry out additional function operation, operator does not just catch up with the speed of travel of machine, can not meet the requirement of complete machine multi-function operation.
Therefore, how gear shift mechanism for mini-tiller of the prior art is improved, make its structure simple, compact, gear is many, output speed excursion is wide, microtilling machine can be made to possess the requirement of self rotary tillage function, can realize again the multifunction of microtilling machine, be the problem that those skilled in the art need solution badly.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of variable transmission mechanism of micro-tillage machine and microtilling machine thereof, its structure is simple, compact, gear is many, and output speed excursion is wide, can realize again the multifunction of microtilling machine while microtilling machine can be made to possess self rotary tillage function.
For solving the problems of the technologies described above, variable transmission mechanism of micro-tillage machine of the present invention, comprises gearbox casing, spindle part, countershaft assembly, drive shaft assembly and reverse gear shaft assembly; Described reverse gear shaft assembly comprises reverse gear shaft and the reverse gear of empty set on reverse gear shaft, and reverse gear shaft is arranged on casing, and reverse gear empty set is on reverse gear shaft; Described spindle part comprises main shaft for being inputted by power and driving gear, and driving gear empty set, on main shaft, does not rotate with spindle synchronous; Described countershaft assembly comprises countershaft and is enclosed within change gear, the tumbler gear on countershaft outward, and change gear and tumbler gear can slide axially along countershaft; Described drive shaft assembly comprises live axle and overcoat actuation gear on the driving shaft, and actuation gear often engages with driving gear; Described live axle end face is provided with circular hole, and the cylindrical end of described countershaft loads in the circular hole of live axle, countershaft and live axle coaxially arranged.
Further, one end of described main shaft is provided with two gears, and one of them gear often engages with reverse gear, and another gear is corresponding with tumbler gear/engagement; Driving gear has two or more gear, respectively corresponding with actuation gear and change gear/engage.
Further, described countershaft is male splined shaft, comprises the cylindrical end for coordinating with live axle circular hole, for the first spline part of being equipped with change gear and tumbler gear and the second spline part for Power output coupling.
Further, one end of described live axle is clutch end, and the other end is external splines, and spline end face is provided with circular hole.
Further, described change gear is internal spline structure, and the internal spline of change gear can coordinate with the first spline part of countershaft and the external splines of live axle simultaneously, makes countershaft become as a whole with live axle.
Further, described countershaft and described live axle not only can synchronous axial system but also can rotate by differential.
Further, described change gear can slide axially on countershaft ,/engagement corresponding with driving gear; Stir change gear, make change gear be in the position of engaging with driving gear, or connect live axle and countershaft simultaneously, realize the conversion of microtilling machine gear speed.
Further, described tumbler gear can slide axially on countershaft, respectively corresponding with the gear on main shaft or reverse gear/engage; Stir tumbler gear, make tumbler gear be in the position of engaging with mainshaft gear, or be in the position of engaging with reverse gear, realize the conversion that microtilling machine moves forward and backward;
Further, the clutch end of described live axle is bevel gear, and bevel gear coordinates with the walking box assembly belonging to existing mature technology, and power drives walking rubber tire or rotary tillage cutter to rotate by the output shaft of walking box assembly, and microtilling machine is walked or rotary tillage process.
The invention also discloses a kind of microtilling machine applying described variable transmission mechanism of micro-tillage machine, described microtilling machine is installed and applies described variable transmission mechanism of micro-tillage machine.
The present invention compared with prior art has the following advantages: variable transmission mechanism of micro-tillage machine of the present invention, by by driving gear empty set on main shaft, by live axle and countershaft coaxially arranged, not only can synchronous axial system but also can rotate by differential, make total simple, compact, reliably, there is transmission efficiency high, strong shock resistance, the feature that reliability is high, export the demand that gear can meet multiple gear speed, and output speed requires rotating speed demand faster when can meet microtilling machine rotary tillage process, microtilling machine mounting snowblower can be met again, scavenging machine, the annexes such as lawnmower require that rotating speed is slower when carrying out multi-function operation, adapt to the demand of operator's speed of travel.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also according to providing accompanying drawing to obtain other accompanying drawing.
Fig. 1 is drive mechanism schematic diagram of the present invention;
Fig. 2 is countershaft structural representation of the present invention;
Fig. 3 is live axle structural representation of the present invention;
Fig. 4 is assembly structure schematic diagram of the present invention.
Embodiment
In order to make those skilled in the art understand technological scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, Fig. 1 is drive mechanism schematic diagram of the present invention; Fig. 2 is countershaft structural representation of the present invention; Fig. 3 is live axle structural representation of the present invention; Fig. 4 is assembly structure schematic diagram of the present invention.
For sake of convenience, hereinafter alleged " left side " " in " " right side " consistent with the direction, left, center, right of accompanying drawing itself, but restriction effect is not played to structure of the present invention.
As shown in the figure, the variable transmission mechanism of micro-tillage machine of the present embodiment, comprise gearbox casing 10, spindle part, countershaft assembly, drive shaft assembly and reverse gear shaft assembly, certainly, gear shift, reversing gear is also provided with in casing in the present embodiment, for controlling the position of change gear, tumbler gear, belonging to prior art, not repeating them here;
Described spindle part comprises main shaft 1 for being inputted by power and the driving gear 2 of empty set on main shaft; The left end of main shaft 1 is provided with spline, and for being inputted by power, right-hand member is provided with two gear 1a, 1b, and gear 1b often engages with reverse gear 4; Driving gear 2 is triple gear, is provided with gear 2a, 2b and 2c, driving gear 2 empty set on main shaft 1, not with main shaft 1 synchronous rotary;
Described countershaft assembly comprises countershaft 8 and the tumbler gear 9 that is enclosed within countershaft 8 and change gear 7 outward; Be provided with internal spline in the hole of tumbler gear 9 and change gear 7, the first spline part 8b being fitted in countershaft 8 can slide axially along countershaft 8; Change gear 7 is duplicate gear, is provided with gear 7a, 7b;
Described drive shaft assembly comprises live axle 5 and is enclosed within the actuation gear 6 on live axle 5 outward; Actuation gear 6 is fitted on the external splines 5b of live axle 5, and actuation gear 6 often engages with the gear 2a on driving gear 2;
Described reverse gear shaft assembly comprises reverse gear shaft 3 and the reverse gear 4 of empty set on reverse gear shaft 3; Reverse gear shaft 3 is arranged on gearbox casing 10, and reverse gear 4 empty set is on reverse gear shaft 3 and often engage with the gear 1b on main shaft 1.
In the present embodiment, described countershaft 8 is male splined shaft, comprise the cylindrical end 8a for coordinating with the circular hole 5c on live axle 5 end face, for the first spline part 8b of described change gear, tumbler gear spline joint and the second spline part 8c carrying out Power output for Add-on accessories.
In the present embodiment, the right-hand member external cylindrical surface of described live axle 5 is provided with external splines 5b, and on end face, be provided with circular hole 5c; Left end is clutch end bevel gear 5a, and for the walking box assembly belonging to existing mature technology unshowned in connection diagram, power drives walking rubber tire or rotary tillage cutter to rotate by the output shaft of walking box assembly, and microtilling machine is walked or rotary tillage process.
In the present embodiment, the cylindrical end 8a of described countershaft 8 loads in the circular hole 5c on live axle 5 end face, makes countershaft 8 and live axle 5 coaxially arranged;
In the present embodiment, the internal spline of described change gear 7 can engage with the external splines 5b of live axle 5 right-hand member and the first spline part 8b of countershaft 8 simultaneously, makes live axle 5 as a whole with countershaft 8 one-tenth.
In the present embodiment, described countershaft 8 and live axle 5 not only can synchronous axial system but also can rotate by differential.
In the present embodiment, stir change gear 7, gear 7b on change gear 7 is engaged with the gear 2c on driving gear 2, or the gear 7a on change gear 7 is engaged with the gear 2b on driving gear 2, or make change gear 7 connect live axle 5 and countershaft 8 simultaneously, realize the conversion of microtilling machine three kinds of gear speed;
In the present embodiment, stir tumbler gear 9, tumbler gear 9 is engaged with the gear 1a on main shaft 1, or tumbler gear 9 is engaged with reverse gear 4, realize the conversion that microtilling machine moves forward and backward;
In the present embodiment, the second spline part 8c of described countershaft 8 stretches out described gearbox casing 10, for realizing Power output, can mount the annexes such as snowblower, scavenging machine, lawnmower.
During machine advance walking, drive path is as follows:
Advance one grade: stir tumbler gear 9, tumbler gear 9 is engaged with the gear 1a on main shaft 1; Stir change gear 7, the internal spline of change gear 7 is coordinated with the external splines 5b of live axle 5 right-hand member and the first spline part 8b of countershaft 8 simultaneously, live axle 5 and countershaft 8 is connected into an entirety, synchronous rotary; The gear 1a of power on main shaft 1, tumbler gear 9, countershaft 8 and change gear 7, be delivered to live axle 5, and being exported by the bevel gear 5a of live axle 5 left end, is now quick.
Advance second gear: stir change gear 7, gear 7a on change gear 7 is engaged with the gear 2b on driving gear 2, gear 7a on the gear 1a of power on main shaft 1, tumbler gear 9, countershaft 8, change gear 7, the gear 2b on driving gear 2, the gear 2a on driving gear 2 and actuation gear 6, be transferred to live axle 5, being exported by the bevel gear 5a of live axle 5 left end, is now middling speed;
Advance third gear: stir change gear 7, gear 7b on change gear 7 is engaged with the gear 2c on driving gear 2, gear 7b on the gear 1a of power on main shaft 1, tumbler gear 9, countershaft 8, change gear 7, the gear 2c on driving gear 2, the gear 2a on driving gear 2 and actuation gear 6, be transferred to live axle 5, being exported by the bevel gear 5a of live axle 5 left end, is now at a slow speed;
It is as follows that machine retreats drive path when walking:
Slow astern shelves: stir tumbler gear 9, make tumbler gear 9 engage with reverse gear 4; Stir change gear 7, the internal spline of change gear 7 is coordinated with the external splines 5b of live axle 5 right-hand member and the first spline part 8b of countershaft 8 simultaneously, live axle 5 and countershaft 8 is connected into an entirety, synchronous rotary; The gear 1b of power on main shaft 1, reverse gear 4, tumbler gear 9, countershaft 8 and change gear 7, be delivered to live axle 5, and being exported by the bevel gear 5a of live axle 5 left end, is now quick.
Retreat second gear: stir change gear 7, gear 7a on change gear 7 is engaged with the gear 2b on driving gear 2, gear 7a on the gear 1b of power on main shaft 1, reverse gear 4, tumbler gear 9, countershaft 8, change gear 7, the gear 2b on driving gear 2, the gear 2a on driving gear 2 and actuation gear 6, be transferred to live axle 5, being exported by the bevel gear 5a of live axle 5 left end, is now middling speed;
Retreat third gear: stir change gear 7, gear 7b on change gear 7 is engaged with the gear 2c on driving gear 2, gear 7b on the gear 1b of power on main shaft 1, reverse gear 4, tumbler gear 9, countershaft 8, change gear 7, the gear 2c on driving gear 2, the gear 2a on driving gear 2 and actuation gear 6, be transferred to live axle 5, being exported by the bevel gear 5a of live axle 5 left end, is now at a slow speed;
Above a kind of variable transmission mechanism of micro-tillage machine provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a variable transmission mechanism of micro-tillage machine, comprises gearbox casing, spindle part, countershaft assembly, drive shaft assembly and reverse gear shaft assembly; Described reverse gear shaft assembly comprises reverse gear shaft and reverse gear, it is characterized in that:
Described spindle part comprises main shaft for being inputted by power and driving gear, and driving gear empty set, on main shaft, does not rotate with spindle synchronous;
Described countershaft assembly comprises countershaft and is enclosed within change gear, the tumbler gear on countershaft outward, and change gear and tumbler gear can slide axially along countershaft;
Described drive shaft assembly comprises live axle and overcoat actuation gear on the driving shaft, and actuation gear often engages with driving gear;
Described live axle end face is provided with circular hole, and the cylindrical end of described countershaft loads in the circular hole of live axle, countershaft and live axle coaxially arranged.
2. variable transmission mechanism of micro-tillage machine according to claim 1, is characterized in that: one end of described main shaft is provided with two gears, one of them gear is corresponding with tumbler gear/and engagement, another gear often engages with reverse gear.
3. variable transmission mechanism of micro-tillage machine according to claim 1, it is characterized in that: described countershaft is male splined shaft, comprising the cylindrical end for coordinating with live axle circular hole, for the first spline part of being equipped with change gear and tumbler gear and the second spline part for Power output coupling.
4. variable transmission mechanism of micro-tillage machine according to claim 1, is characterized in that: one end of described live axle is clutch end, and the other end is external splines, and spline end face is provided with circular hole.
5. variable transmission mechanism of micro-tillage machine according to claim 1, it is characterized in that: described change gear is internal spline structure, the internal spline of change gear can coordinate with the first spline part of countershaft and the external splines of live axle simultaneously, makes countershaft become as a whole with live axle.
6. variable transmission mechanism of micro-tillage machine according to claim 1 or 6, is characterized in that: described live axle and countershaft both can also can rotate by differential by synchronous axial system.
7. variable transmission mechanism of micro-tillage machine according to claim 1 or 6, is characterized in that: described change gear can slide axially on countershaft ,/engagement corresponding with driving gear.
8. variable transmission mechanism of micro-tillage machine according to claim 1, is characterized in that: described tumbler gear can slide axially on countershaft, respectively corresponding with the gear on main shaft or reverse gear/engage.
9. variable transmission mechanism of micro-tillage machine according to claim 1, it is characterized in that: described reverse gear shaft is arranged on gearbox casing, reverse gear empty set is on reverse gear shaft.
10. variable transmission mechanism of micro-tillage machine according to claim 4, is characterized in that: the clutch end of described live axle is bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714623.5A CN104482138A (en) | 2014-12-01 | 2014-12-01 | Variable transmission mechanism for mini tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714623.5A CN104482138A (en) | 2014-12-01 | 2014-12-01 | Variable transmission mechanism for mini tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104482138A true CN104482138A (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410714623.5A Pending CN104482138A (en) | 2014-12-01 | 2014-12-01 | Variable transmission mechanism for mini tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104482138A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106576449A (en) * | 2016-12-30 | 2017-04-26 | 重庆华世丹机械制造有限公司 | Multi-purpose mini tiller |
| CN106641118A (en) * | 2017-02-15 | 2017-05-10 | 苏州萨伯工业设计有限公司 | Three-gear gearbox |
| CN111219457A (en) * | 2020-03-07 | 2020-06-02 | 西北工业大学 | Gear transmission device for rapid reversing |
| CN113602083A (en) * | 2021-08-18 | 2021-11-05 | 浙江星莱和农业装备有限公司 | Riding type multifunctional agricultural vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB210315A (en) * | 1923-03-12 | 1924-01-31 | Pieter Johan Hageman | Improvements in or relating to variable speed gear |
| GB573040A (en) * | 1943-10-15 | 1945-11-02 | Humber Ltd | Improvements relating to variable speed power transmission mechanisms |
| GB845289A (en) * | 1955-12-05 | 1960-08-17 | Fuller Mfg Co | Multi speed, lever controlled transmission |
| CN201714925U (en) * | 2010-07-20 | 2011-01-19 | 魏均 | Two-gear auxiliary transmission |
| CN104653721A (en) * | 2013-11-21 | 2015-05-27 | 李斯端 | Mini-tiller variable speed transmission mechanism |
-
2014
- 2014-12-01 CN CN201410714623.5A patent/CN104482138A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB210315A (en) * | 1923-03-12 | 1924-01-31 | Pieter Johan Hageman | Improvements in or relating to variable speed gear |
| GB573040A (en) * | 1943-10-15 | 1945-11-02 | Humber Ltd | Improvements relating to variable speed power transmission mechanisms |
| GB845289A (en) * | 1955-12-05 | 1960-08-17 | Fuller Mfg Co | Multi speed, lever controlled transmission |
| CN201714925U (en) * | 2010-07-20 | 2011-01-19 | 魏均 | Two-gear auxiliary transmission |
| CN104653721A (en) * | 2013-11-21 | 2015-05-27 | 李斯端 | Mini-tiller variable speed transmission mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106576449A (en) * | 2016-12-30 | 2017-04-26 | 重庆华世丹机械制造有限公司 | Multi-purpose mini tiller |
| CN106641118A (en) * | 2017-02-15 | 2017-05-10 | 苏州萨伯工业设计有限公司 | Three-gear gearbox |
| CN111219457A (en) * | 2020-03-07 | 2020-06-02 | 西北工业大学 | Gear transmission device for rapid reversing |
| CN113602083A (en) * | 2021-08-18 | 2021-11-05 | 浙江星莱和农业装备有限公司 | Riding type multifunctional agricultural vehicle |
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Application publication date: 20150401 |