CN105889430A - Micro tilling machine speed change transmission mechanism - Google Patents
Micro tilling machine speed change transmission mechanism Download PDFInfo
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- CN105889430A CN105889430A CN201410773734.3A CN201410773734A CN105889430A CN 105889430 A CN105889430 A CN 105889430A CN 201410773734 A CN201410773734 A CN 201410773734A CN 105889430 A CN105889430 A CN 105889430A
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- gear
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- micro
- transmission mechanism
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Abstract
The invention discloses a micro tilling machine speed change transmission mechanism. The micro tilling machine speed change transmission mechanism comprises a gearbox body, a first-shaft assembly, a second-shaft assembly, an intermediate shaft assembly and a reverse gear shaft assembly. The first-shaft assembly comprises a first shaft and a high and low speed conversion gear. The high and low speed conversion gear is externally arranged on the first shaft in a sleeving mode and can axially slide along the first shaft. The second-shaft assembly comprises a second shaft and a low-speed driven gear externally arranged on the second shaft in a sleeving mode. The intermediate shaft assembly comprises an intermediate shaft, a duplex gear and a gear shifting gear. The duplex gear is freely arranged on the intermediate shaft in a sleeving mode. The gear shifting gear is externally arranged on the intermediate shaft in a sleeving mode and can axially slide along the intermediate shaft. The first shaft and the second shaft are coaxially arranged and can both rotate synchronously and differentially. The whole structure is simple, compact and reliable and has the characteristics of being high in transmission efficiency, impact resistance and reliability. The invention further discloses a micro tilling machine applying the micro tilling machine speed change transmission mechanism. The micro tilling machine has the characteristics of being multiple in gear and wide in output rotation speed change range and has an own rotary tillage function, and the multi-functionalization of the micro tilling machine also can be achieved.
Description
Technical field
The present invention relates to a kind of variable transmission mechanism, be specifically related to a kind of tiller speed change and pass
Motivation structure and tiller thereof.
Background technology
Tiller is a kind of small agricultural farming machine, is mainly used in Pingba, mountain area, mound
The region rotary tillage process such as the nonirrigated farmland in area, mound, paddy field, orchard, mix corresponding facility and can take out
Water, the spray operation such as medicine, spray.Along with the development of society, user's function to tiller
Propose increasing requirement, it is desirable to while possessing rotary tillage function, by adding adnexa
It is capable of the additional functions such as blowing snow, JIANCAO and cleaning.But the gear of existing tiller
Fairly simple, gear is few, and great majority only two drive shifts and a reverse gear function, minority is also
Have three drive shifts and a reverse gear function；Output speed is also very fast, mainly meets rotary tillage and makees
The requirement of industry, when needs carry out additional function operation, operator does not just catch up with the walking of machine
Speed, 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 so that it is
Simple in construction, compact, gear is many, output speed excursion width, and tiller can be made to possess
The requirement of self rotary tillage function, can realize again the multifunction of tiller, is people in the art
The problem that member needs solution badly.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of variable transmission mechanism of micro-tillage machine and
Its tiller, its simple in construction, compact, gear is many, output speed excursion width, can
Make tiller that the multifunction of tiller while possessing self rotary tillage function, can be realized again.
For solving above-mentioned technical problem, the variable transmission mechanism of micro-tillage machine of the present invention, including
Gearbox body, a shaft assembly, two shaft assemblies, intermediate shaft assembly and reversing shaft assembly；Described one
Shaft assembly includes an axle and the high low speed conversion gear being enclosed within outward on an axle, high low speed conversion gear
Can slide axially along an axle, respectively/engagement corresponding with duplicate gear or low speed driven gear；Described
Two shaft assemblies include two axles and the low speed driven gear being enclosed within outward on two axles, and two axles are provided with gear,
/ engagement corresponding with change gear and back gear respectively；Described intermediate shaft assembly include jackshaft,
Duplicate gear and change gear, described duplicate gear empty set is on jackshaft, not same with jackshaft
Step rotates, and is enclosed within jackshaft, can slide axially along jackshaft outside described change gear；Described
One axial end is provided with circular hole, and the cylindrical end of described two axles loads in the circular hole of an axle, an axle with
Two axles are coaxially arranged；Described reversing shaft assembly includes reversing shaft and back gear, and reversing shaft is installed
On casing, back gear is contained on reversing shaft.
Further, one end of a described axle is power intake, and the other end is external splines,
Spline end face is provided with circular hole.
Further, described two axles are gear shaft, including for coordinating with an axle circular hole
Cylindrical end, for the spline part equipped with low speed driven gear and for respectively with change gear and
Back gear correspondence/meshed gears portion.
Further, described low speed driven gear is fitted on the external splines of two axles, low speed
The end face of driven gear is provided with cylinder boss, and boss is provided with external splines.
Further, described high low speed conversion gear is fitted on the external splines of an axle, can
Slide axially along an axle, outside high low speed conversion gear can be simultaneously with an axle and low speed driven gear
Spline fitted；Stir high low speed conversion gear, make high low speed conversion gear be in and duplicate gear
The position of engagement, or it is in the position that the external splines with an axle and low speed driven gear coordinates simultaneously,
Make an axle and two axle synchronous rotaries, it is achieved tiller is carried out at a high speed or the conversion of lower-speed state work,
So that output speed requirement faster when tiller both can meet rotary tillage process, extension also can be met
Connect the adnexa such as grass mower, snowblower to carry out during multi-function operation, requiring that output speed is relatively slow, adapt to
The demand of operator's speed of travel.
Further, a described axle and two axles both can also can rotate by differential by synchronous axial system.
Further, one end of described jackshaft is clutch end, and stage casing is and duplex
The first spline part that gear and change gear are equipped with, the other end is to connect adnexa for power output
The second spline part.
Further, described duplicate gear empty set on the first spline part of jackshaft, with
High low speed conversion gear is corresponding with low speed driven gear/engagement, and duplicate gear and jackshaft are differential
Rotate.
Further, described change gear is fitted on the first spline part of jackshaft, can
Slide axially along jackshaft, respectively/engagement corresponding with the gear on two axles or back gear；Stir
Change gear, makes change gear be in the position engaged with the gear on two axles, or is in and falls
The position of shelves gear engagement, it is achieved the change of tiller pace or travel direction advance and after
The conversion moved back.
Further, the clutch end of described jackshaft is bevel gear, bevel gear and genus
Walking box assembly in existing mature technology coordinates, and power is by the output shaft band of box assembly of walking
Dynamic walking rubber tire or rotary tillage cutter rotate, and make tiller walking or rotary tillage process.
The invention also discloses a kind of apply described variable transmission mechanism of micro-tillage machine micro-plough
Machine, described tiller is installed and applies described variable transmission mechanism of micro-tillage machine.
The present invention compared with prior art has the following advantages: the tiller speed change of the present invention passes
Motivation structure, by by coaxially arranged to an axle and two axles, make an axle and two axles not only can synchronous axial system but also
Can rotate by differential, realize tiller high speed and tick-over state by high low speed conversion gear
Switching, realize the change of tiller pace by change gear or travel direction is advanced and after
The conversion moved back, total is simple, compact, reliable, has transmission efficiency height, shock resistance energy
The feature that power is strong, reliability is high, output gear can meet the demand of multiple gear speed, and
And output speed requires rotating speed demand faster when can meet tiller rotary tillage process, can expire again
The adnexaes such as foot tiller mounting snowblower, scavenging machine, grass mower carry out requirement during multi-function operation
Rotating speed is relatively slow, adapts to the demand of operator's speed of travel.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art,
The accompanying drawing used required in embodiment or description of the prior art will be briefly described below,
It should be evident that the accompanying drawing in describing below is only embodiments of the invention, for this area
From the point of view of those of ordinary skill, on the premise of not paying creative work, it is also possible to according to offer
Accompanying drawing obtain other accompanying drawing.
Fig. 1 is that the present invention assembles structural representation；
Fig. 2 is the present invention one axle construction schematic diagram；
Fig. 3 is the present invention two axle construction schematic diagram；
Fig. 4 is intermediate shaft structure schematic diagram of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, under
Face combines the drawings and specific embodiments, and the present invention is described in further detail.
Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, Fig. 1 is that the present invention assembles structure and shows
It is intended to；Fig. 2 is the present invention one axle construction schematic diagram；Fig. 3 is the present invention two axle construction schematic diagram；
Fig. 4 is intermediate shaft structure schematic diagram of the present invention.
For sake of convenience, hereinafter alleged " left " " in " " right " and accompanying drawing itself
Direction, left, center, right is consistent, but structure to the present invention does not plays restriction effect.
As it can be seen, the variable transmission mechanism of micro-tillage machine of the present embodiment, including gearbox body
7, a shaft assembly, two shaft assemblies, intermediate shaft assembly and reversing shaft assembly, certainly, the present embodiment
In casing in be additionally provided with selector device, be used for controlling change gear, the conversion of high low speed
The position of gear, belongs to prior art, does not repeats them here；
A described shaft assembly includes the axle 1 for being inputted by power and is enclosed within outward an axle
On high low speed conversion gear 2；
Described two shaft assemblies include two axles 4 and the low speed driven gear being enclosed within outward on two axles
3, two axles are provided with gear, respectively/engagement corresponding with change gear 10 and back gear 5；
Described intermediate shaft assembly includes jackshaft 8, duplicate gear 9 and change gear 10,
Described duplicate gear 9 empty set is on jackshaft 8, not with jackshaft 8 synchronous rotary, described in change
It is enclosed within jackshaft 8 outside shelves gear 10, can slide axially along jackshaft 8；
Described reversing shaft assembly includes reversing shaft 6 and the empty set reverse gear tooth on reversing shaft 6
Wheel 5；Reversing shaft 6 is arranged on gearbox body 7, and back gear 5 empty set is on reversing shaft 6
And often engage with the gear 4c on two axles 4.
In the present embodiment, the left end of a described axle 1 is provided with external splines, for power is defeated
Entering, right-hand member external cylindrical surface is provided with external splines 1a, and is provided with circular hole 1b on end face.
In the present embodiment, described two axles 4 are gear shaft, including for an axle circular hole
The cylindrical end 4d that 1b coordinates, for the spline part 4e being equipped with low speed driven gear 3, is used for
Gear 4a, 4b of coordinating with change gear 10 and for meshed gears normal with back gear 5
4c。
In the present embodiment, the left end of described jackshaft 8 is bevel gear 8a, stage casing be with
Duplicate gear 9 and the first equipped spline part 8b of change gear 10, right-hand member is defeated for power
Go out to connect the second spline part 8c of adnexa.
In the present embodiment, the endoporus of described low speed driven gear 3 is spline, is fitted in two
On the external splines 4e of axle 4, the end face of low speed driven gear 3 is provided with cylinder boss, on boss
It is provided with external splines 3a.
In the present embodiment, the endoporus of described high low speed conversion gear 2 is spline, is fitted in
On the external splines 1a of one axle 1 right-hand member, can slide axially along an axle 1, high low speed conversion gear 2
Can coordinate with the external splines 1a of an axle and the external splines 3a of low speed driven gear 3 simultaneously；Stir
High low speed conversion gear 2, makes high low speed conversion gear 2 be in and the gear on duplicate gear 9
The position of 9a engagement, or it is in external splines 1a and the low speed driven gear 3 of same axle 1 right-hand member
The position that simultaneously coordinates of external splines 3a, make axle 1 and two axle 4 synchronous rotaries, it is achieved micro-plough
Machine is carried out at a high speed or the conversion of lower-speed state work, so that tiller both can meet rotary tillage process
Time output speed requirement faster, also can meet mounting the adnexa such as grass mower, snowblower carry out many
Require during function operation that output speed is relatively slow, adapt to the demand of operator's speed of travel.
In the present embodiment, a described axle 1 and two axles 4 both can also can turn by differential by synchronous axial system
Dynamic.
In the present embodiment, the endoporus of described duplicate gear 9 is circular hole, and empty set is at jackshaft
On the first spline part 8b of 8, rotate with jackshaft 8 differential；Gear 9a on duplicate gear 9
/ engagement corresponding with high low speed conversion gear 2, gear 9b is corresponding with low speed driven gear 3/engages.
In the present embodiment, the endoporus of described change gear 10 is spline, is fitted in centre
On first spline part 8b of axle 8, can slide axially along jackshaft 8；On change gear 10
Gear 10a is corresponding with the gear 4a on two axles 4/engagement, and the tooth on gear 10b and two axles 4
Wheel 4b or back gear 5 correspondence/engagement；Stir change gear 10, make on change gear 10
Gear 10a be in the position engaged with the gear 4a on two axles 4, or make change gear 10
On gear 10b be in the position engaged with the gear 4b on two axles 4, it is achieved tiller advance
The change of speed；Or make the gear 10b on change gear 10 be in engage with back gear 5
Position, it is achieved the conversion that tiller travel direction moves forward and backward.
In the present embodiment, the second spline part 8c of described jackshaft 8 stretches out described speed change
Casing 7, is used for realizing power output, can mount the adnexaes such as snowblower, scavenging machine, grass mower.
During machine advance walking, drive path is as follows:
Advance one grade: stir high low speed conversion gear 2, make high low speed conversion gear 2 with
Gear 9a engagement on duplicate gear 9；Stir change gear 10, make on change gear 10
Gear 4b engagement on gear 10b and two axles 4；Power is through an axle 1, high low speed conversion gear
2, the gear 4b on duplicate gear 9, low speed driven gear 3, two axle and change gear 10,
It is delivered to jackshaft 8, the bevel gear 8a of jackshaft 8 left end exports, be now low speed one grade.
Advance two grades: stir change gear 10, make the gear 10a on change gear 10
Engage with the gear 4a on two axles 4；Power is through an axle 1, high low speed conversion gear 2, duplex
Gear 4a on gear 9, low speed driven gear 3, two axle and change gear 10, in being delivered to
Countershaft 8, is exported by the bevel gear 8a of jackshaft 8 left end, is now low speed two grades.
Advance third gear: stir high low speed conversion gear 2, makes high low speed conversion gear 2
Internal spline simultaneously with the external splines on the external splines 1a of axle 1 right-hand member and low speed driven gear 3
3a coordinates, and then an axle 1 and two axles 4 are connected into an entirety, synchronous rotary；Stir and change
Shelves gear 10, makes the gear 10b on the change gear 10 and gear 4b on two axles 4 engagement,
Power gear 4b on an axle 1, high low speed conversion gear 2, low speed driven gear 3, two axle
With change gear 10, it is delivered to jackshaft 8, the bevel gear 8a of jackshaft 8 left end exports,
It it is now one grade at a high speed.
Advance fourth gear: stir change gear 10, makes the gear 10a on change gear 10
Engaging with the gear 4a on two axles 4, power is through an axle 1, high low speed conversion gear 2, low speed
Gear 4a on driven gear 3, two axle and change gear 10, be delivered to jackshaft 8, by
The bevel gear 8a output of countershaft 8 left end, is now two grades at a high speed.
When machine retreats walking, drive path is as follows:
Slow astern shelves: stir high low speed conversion gear 2, make high low speed conversion gear 2 with
Gear 9a engagement on duplicate gear 9；Stir change gear 10, make on change gear 10
Gear 10b engages with back gear 5, and power is through an axle 1, high low speed conversion gear 2, duplex
Gear 4c, back gear 5 and change gear on gear 9, low speed driven gear 3, two axle
10, it is delivered to jackshaft 8, the bevel gear 8a of jackshaft 8 left end exports, be now low speed
Reverse gear.
Retreat two grades: stir high low speed conversion gear 2, make high low speed conversion gear 2
Internal spline simultaneously with the external splines on the external splines 1a of axle 1 right-hand member and low speed driven gear 3
3a coordinates, and then an axle 1 and two axles 4 are connected into an entirety, synchronous rotary；Stir and change
Shelves gear 10, makes the gear 10b on change gear 10 engage with back gear 5, power warp
Gear 4c on one axle 1, high low speed conversion gear 2, low speed driven gear 3, two axle, reverse gear
Gear 5 and change gear 10, be delivered to jackshaft 8, by the bevel gear 8a of jackshaft 8 left end
Output, is now high speed reverse.
Above a kind of variable transmission mechanism of micro-tillage machine provided by the present invention is carried out in detail
Introduce.Principle and the embodiment of the present invention are set forth by specific case used herein,
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.Should
When pointing out, for those skilled in the art, without departing from the principle of the invention
On the premise of, it is also possible to the present invention is carried out some improvement and modification, and these improve and modify also
Fall in the protection domain of the claims in the present invention.
Claims (10)
1. a variable transmission mechanism of micro-tillage machine, including gearbox body, a shaft assembly, two axle groups
Part, intermediate shaft assembly and reversing shaft assembly；A described shaft assembly includes an axle and is enclosed within outward an axle
On high low speed conversion gear, high low speed conversion gear can slide axially along an axle, respectively with double
Connection gear or low speed driven gear correspondence/engagement；Described reversing shaft assembly includes reversing shaft and reverse gear
Gear, reversing shaft is arranged on casing, and back gear is contained on reversing shaft；A described axial end
Being provided with circular hole, the cylindrical end of described two axles loads in the circular hole of an axle, and an axle is coaxial with two axles
Arrange, it is characterised in that:
Described two shaft assemblies include two axles and the low speed driven gear being enclosed within outward on two axles, on two axles
It is provided with gear, respectively/engagement corresponding with change gear and back gear；
Described intermediate shaft assembly includes jackshaft, duplicate gear and change gear, described duplex-gear
Bye is enclosed within jackshaft, rotates with jackshaft differential, is enclosed within jackshaft outside described change gear
On, can slide axially along jackshaft.
Variable transmission mechanism of micro-tillage machine the most according to claim 1, it is characterised in that: institute
The one end stating an axle is power intake, and the other end is external splines, and spline end face is provided with circular hole.
Variable transmission mechanism of micro-tillage machine the most according to claim 1, it is characterised in that: described
Two axles are gear shaft, including the cylindrical end for coordinating with an axle circular hole, for driven with low speed
Spline part that gear is equipped and for/tooth of engaging corresponding with change gear and back gear respectively
Wheel portion.
Variable transmission mechanism of micro-tillage machine the most according to claim 1, it is characterised in that: described
Low speed driven gear is fitted on the external splines of two axles, and the end face of low speed driven gear is provided with circle
Post boss, cylinder boss is provided with external splines.
Variable transmission mechanism of micro-tillage machine the most according to claim 1, it is characterised in that: described
High low speed conversion gear is fitted on the external splines of an axle, can slide axially along an axle, high low speed
Conversion gear can coordinate with the external splines of an axle and low speed driven gear simultaneously, makes an axle and two axles
Synchronous axial system.
6. according to variable transmission mechanism of micro-tillage machine described in claim 1 or 5, it is characterised in that:
A described axle and two axles both can also can rotate by differential by synchronous axial system.
Variable transmission mechanism of micro-tillage machine the most according to claim 1, it is characterised in that: described
One end of jackshaft is clutch end, and stage casing is equipped with duplicate gear and change gear the
One spline part, the other end is the second spline part connecting adnexa for power output.
8. according to variable transmission mechanism of micro-tillage machine described in claim 1 or 7, it is characterised in that:
Described duplicate gear empty set is on the first spline part of jackshaft, with high low speed conversion gear and low
Speed driven gear correspondence/engagement.
9. according to variable transmission mechanism of micro-tillage machine described in claim 1 or 7, it is characterised in that:
Described change gear is fitted on the first spline part of jackshaft, can slide axially along jackshaft,
/ engagement corresponding with the gear on two axles or back gear respectively.
Variable transmission mechanism of micro-tillage machine the most according to claim 7, it is characterised in that: institute
The clutch end stating jackshaft is bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410773734.3A CN105889430A (en) | 2014-12-15 | 2014-12-15 | Micro tilling machine speed change transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410773734.3A CN105889430A (en) | 2014-12-15 | 2014-12-15 | Micro tilling machine speed change transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105889430A true CN105889430A (en) | 2016-08-24 |
Family
ID=56701190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410773734.3A Pending CN105889430A (en) | 2014-12-15 | 2014-12-15 | Micro tilling machine speed change transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889430A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366718A (en) * | 2017-07-19 | 2017-11-21 | 重庆墨龙机械有限公司 | Three-dimensional exports transmission mechanism |
| CN112682480A (en) * | 2021-01-15 | 2021-04-20 | 天津大学 | Novel gear transmission structure |
-
2014
- 2014-12-15 CN CN201410773734.3A patent/CN105889430A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366718A (en) * | 2017-07-19 | 2017-11-21 | 重庆墨龙机械有限公司 | Three-dimensional exports transmission mechanism |
| CN107366718B (en) * | 2017-07-19 | 2023-02-07 | 重庆墨龙机械有限公司 | Three-way output transmission mechanism |
| CN112682480A (en) * | 2021-01-15 | 2021-04-20 | 天津大学 | Novel gear transmission structure |
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Application publication date: 20160824 |