CN106438998B - A kind of mini-tiller, gearbox and the driving device of clutch yoke - Google Patents
A kind of mini-tiller, gearbox and the driving device of clutch yoke Download PDFInfo
- Publication number
- CN106438998B CN106438998B CN201610990237.8A CN201610990237A CN106438998B CN 106438998 B CN106438998 B CN 106438998B CN 201610990237 A CN201610990237 A CN 201610990237A CN 106438998 B CN106438998 B CN 106438998B
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- China
- Prior art keywords
- axis
- lock shaft
- driving device
- clutch yoke
- mini
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/04—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
Abstract
The invention discloses a kind of driving devices for mini-tiller clutch yoke, it is characterised in that: the driving device includes opening axis mechanism, lock shaft mechanism and positioning mechanism；Axis mechanism is opened described in wherein and lock shaft mechanism is used to control two positions of clutch yoke, and the positioning mechanism carries out position to the clutch yoke and fixes.Using the driving device of the present embodiment, high steering operation stability, reaction speed block and highly reliable are enabled to.
Description
Technical field:
The present invention relates to the shift fork driving devices in the gearbox and gearbox of a kind of agricultural mini-tiller.
Background technique:
Currently, the mode that mini-tiller turns to connection in agricultural machinery and operating mechanism mostly uses greatly bracing wire to control, it may be assumed that defeated in cabinet
A bracing wire is connected in link arm out, bracing wire reaches again carries out operation control at the operation handle of handrail, there are also parts to use
The connection that box house carries out clutch yoke directly is protruded into bracing wire, the disadvantage is that: bracing wire is positioned in the transmission of mini-tiller again
Vulnerable part need to dismantle entire cabinet assembly if the heavy workload that its abrasion or damage are reprocessed, and it is close that its is followed by connected in bracing wire
Envelope property hardly results in guarantee, and the difficulty of airtight detection is also very big or detection accuracy cannot be guaranteed, either internal using bracing wire
Connection or external connection, in short, the use environment variation of mini-tiller is greatly, rather harsh, the mini-tiller controlled using bracing wire
Its reliability of steering operation mechanism and durability it is difficult to ensure that.In addition, safety is difficult to by the way of existing bracing wire control
Guarantee, and steering response speed is slow, required power is big.
Summary of the invention:
That the purpose of the present invention is to provide a kind of steering operations is light, stability is high and the mini-tiller of fast response time, becomes
Fast case and the driving device of clutch yoke.
In order to achieve the above object, the present invention is implemented as follows: a kind of driving device for mini-tiller clutch yoke,
It is characterized by: the driving device includes opening axis mechanism, lock shaft mechanism and positioning mechanism；It is wherein described to open axis mechanism and lock shaft
Mechanism is used to control two positions of clutch yoke, and the positioning mechanism carries out position to the clutch yoke and fixes.Using this
The clutch yoke driving device of aforesaid way setting enables mini-tiller more labor-saving light in steering operation, and turns to
Stability is high, fast response time.In addition, the reliability of gearbox complete machine is improved using above-mentioned driving device, durability
It is high.Enable using the mini-tiller of above-mentioned driving device be useful in environmental change greatly, among the environment of rather harsh
In order to further increase the reliability and durability of gearbox, the driving device part is located in gearbox body,
Part is located at outside gearbox body, and the driving device outside gearbox body is carried out by sealing mechanism with gearbox body end face close
Envelope.
In order to advanced optimize structure, the axis mechanism of opening is arranged in the same direction with the lock shaft mechanism, and the positioning mechanism hangs down
Directly axis mechanism and lock shaft mechanism setting are opened in described.
Further, the axis mechanism of opening includes opening axis, and the lock shaft mechanism includes lock shaft, and the positioning mechanism includes axis
Pin, for the axis of opening by axially reciprocating shift fork, the pivot pin opens axis positioning, institute to described by axially reciprocating
It states lock shaft and the pivot pin is driven by axially reciprocating.
Further, it axis, lock shaft is opened, is arranged with pressure spring described on pivot pin.
In order to further realize positioning and simplify structure, the lower part for opening axis is provided with positioning groove, the pivot pin
Tail end and the positioning groove cooperate.
In order to further realize driving and simplify structure, it is provided with inclined-plane B on the pivot pin axis body, in the lock shaft
Tail portion is provided with inclined-plane A, the inclined-plane B and the inclined-plane A mutual cooperation and drives the pivot pin.
In order to further increase sealing performance, the axis hole end face that axis and the lock shaft are opened described in the installation is provided with oil seal seat
And oil sealing, the end face of the transmission case body is provided with the oil sealing pressing plate for fixing the oil sealing.
In order to further increase sealing performance, the sealing mechanism includes being sheathed on opening outside the transmission case body
Rubber protecting jacket on axis and lock shaft.
In order to further increase sealing performance, the lower part of the rubber protecting jacket is fixed by the oil sealing pressing plate for sealing,
The top of the rubber protecting jacket axis is opened and/or lock shaft top is fixed with described by split pin.
Further, the pressure spring is located at described in installation and opens in the axis hole of axis, lock shaft and pivot pin, and by axis hole step with
Pressure spring retaining ring is fixed.
In order to further increase reliability of structure, opening in the rubber protecting jacket also sets up on axis and/or lock shaft
There is pressure spring, the pressure spring is fixed by the pressure spring retaining ring with oil sealing pressing plate.
In order to further increase reliability of operation, it is also equipped with bolt on the transmission case body for opening axis lower part, and
And in the axial slide for opening and being provided on axis and being matched with the bolt.
A kind of gearbox including the above-mentioned driving device for mini-tiller clutch yoke, it is described to open axis mechanism and lock shaft machine
Structure is connect by control stick with control handle.
A kind of agricultural mini-tiller of driving device or gearbox including above-mentioned clutch yoke.
Using mini-tiller of the invention, gearbox and for the driving device of clutch yoke, have the advantage that: 1.
It enables to operate when turning to more labor-saving light.2. reaction speed is fast when to turn to.3. improving the stabilization of steering operation
Property.4. improving the stability and durability of gearbox, the stability and durability of mini-tiller are further improved.5. improving
The sealing performance of gearbox increases the service life of gearbox and complete machine.6. making later period maintenance more convenient and at low cost.7. making
It is adaptable to obtain mini-tiller complete machine, it can be in operation under rugged environment.
Detailed description of the invention:
Fig. 1 is the structure chart in embodiment for the driving device of shift fork；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the top enlarged view of Fig. 1；
Fig. 4 is the lower part enlarged view of Fig. 1.
Specific embodiment:
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, but the present invention does not limit to
In these embodiments, any improvement or replacement on the present embodiment essence spirit still falls within the claims in the present invention and is wanted
Seek the range of protection.
Embodiment: as shown in Figs 1-4, a kind of driving device for mini-tiller clutch yoke, the driving device part
In gearbox body 1, partially it is located at outside gearbox body 1, the driving device outside gearbox body 1 is by sealing mechanism and becomes
Fast 1 end face of cabinet is sealed.And the driving device outside gearbox case 1 passes through control stick again and connect with handle.
Wherein, the driving device includes opening axis mechanism, lock shaft mechanism and positioning mechanism, wherein described open axis mechanism and institute
State two gears that lock shaft mechanism controls clutch yoke.The bottom for opening axis mechanism is described fixed for driving the shift fork 5
For positioning to the shift fork, the lock shaft mechanism described opens axis machine for driving the positioning mechanism for position mechanism
Structure is arranged in the same direction with the lock shaft mechanism, and the positioning mechanism opens axis mechanism and lock shaft mechanism is vertically arranged with described.
Wherein, the axis mechanism of opening includes opening axis 2, and the lock shaft mechanism includes lock shaft 3, and the positioning mechanism includes pivot pin
4, the axis 2 of opening by axially reciprocating shift fork 5, determine the axis 2 of opening by axially reciprocating by the pivot pin 4
Position, the lock shaft 3 drive the pivot pin 4 by axially reciprocating.Also, it opens axis 2, lock shaft 3 described, cover on pivot pin 4
Equipped with pressure spring 11.
In the present embodiment, the structure for opening the positioning of axis 2 is set as about the pivot pin 4: opening axis 2 described
Lower part be provided with positioning groove 21, the tail end of the pivot pin 4 and the positioning groove 21 cooperate.When the lock shaft 3 drives
When moving the pivot pin 4 axial movement, the tail end of the pivot pin 4 and the separation of positioning groove 21 are enabled to, split axis 2 is realized
Positioning, the positioning to shift fork 5 is furthermore achieved, that is, realizes the fixation of gear.
In addition, the lock shaft 3 drives the structure of the pivot pin 4 to be set as in the present embodiment: in the pivot pin 4
It is provided with inclined-plane B41 on axis body, the tail portion of the lock shaft 3 is provided with inclined-plane A31, the inclined-plane B41 and the inclined-plane A31 phase
Mutually cooperation drives the pivot pin 4.So, can by the axial movement of lock shaft 3 come so that inclined-plane A31 push inclined-plane B41, into
And the pivot pin 4 is made to do axially reciprocating.
In addition, for sealing mechanism form there are many set-up mode, in the present embodiment, can open described in the installation first
The axis hole end face of axis 2 and the lock shaft 3 is provided with oil seal seat 6 and oil sealing 7, is provided with and is used in the end face of the transmission case body 1
The oil sealing pressing plate 8 of the fixed oil sealing 7, is additionally provided with O-ring seal between the oil seal seat 6 and the axis hole.
In addition, can also increase on the basis of above-mentioned sealing means as another embodiment in the present embodiment
The rubber protecting jacket 9 can be set in opening on axis 2 and lock shaft 3 outside the transmission case body 1 by rubber protecting jacket 9.And
And the lower part of the rubber protecting jacket 9 can be tightly connected by oil sealing pressing plate 8 and transmission case ontology 1, the rubber protecting jacket 9
Top can be fixed by split pin 10 and the top for opening axis 2 and the lock shaft 3.Wherein the effect of the split pin 10 is also
By lifting lug 15 and the effect that axis 2 and lock shaft 3 are fixed is opened, the top of the rubber protecting jacket 9 can also be set up directly on the lifting lug
Between 15 and axis outer wall, fixation is sealed by the pressure of lifting lug 15 and axis.In addition, being set on the rubber protecting jacket 9
In respect of axial fold, can open axis 2 and lock shaft 3 stretch.It, can be in the rubber when installing the rubber protecting jacket 9
Butter lubrication is coated in glue, to guarantee that its surface is in clean and tidy state always.
In addition, the self-return performance in order to realize the opening mechanism, lock shaft mechanism and positioning mechanism, also opens axis described
2, it is arranged with pressure spring 11 on lock shaft 3 and the pivot pin 4, the pressure spring 11 is located at the axis that axis 2, lock shaft 3 and pivot pin 4 are opened described in installation
In hole, and it is fixed by axis hole step and pressure spring retaining ring 12.
As another embodiment in the present embodiment, also pressure spring 11 can be added on axis 2 and the lock shaft 3 in described open,
The pressure spring 11 added may be provided at opening on axis 2 and/or lock shaft 3 in the rubber protecting jacket 9, and the pressure spring 11 passes through the pressure
Spring retaining ring 12 and oil sealing pressing plate 8 are fixed.
In addition, being also equipped with bolt 13 on the transmission case body 1 for opening 2 lower part of axis, and it is arranged on axis 2 in described open
There is the axial slide 14 matched with the bolt 12.When the axis 2 of opening is when doing axially reciprocating, the bolt 13 and institute
The cooperation for stating axial slide 14 can guarantee the straightness for opening the movement of axis 2, will not generate skew.
Using the present embodiment the driving device for shift fork when, make described to open opening for axis mechanism by trigger rod
Axis 2 does axially reciprocating, such as Fig. 1, opens axis 2 and is manipulated bar F1 external force and moves downward, and the positioning groove 21 opened on axis 2 exists
During moving downward in conjunction with the end of pivot pin 4, so that the end of pivot pin 4 is stuck in the positioning groove 21, at this point, opening
Axis 1 is locked.When replacement gear, which opens axis 2, needs return, by operating stick to the external force of lock shaft 3F2, lock shaft 3 is allowed to transport downwards
Inclined-plane B41 dynamic, that the inclined-plane A31 when lock shaft 3 moves downward on lock shaft 3 pushes pivot pin upward, so that pivot pin 4 moves right
(F3 opposite direction).When pivot pin 4 and positioning groove 21 are detached from, the elastic force (F1 opposite direction) for opening axis 2 by pressure spring 11 is pushed back original
Position, lock shaft 3 also return to original position under the elastic force of pressure spring 11 (F2 opposite direction) effect, and pivot pin 4 is simultaneously also in the 11 elastic force (side F3 of pressure spring
To) under the action of return to original position.
A kind of gearbox including the above-mentioned driving device for mini-tiller clutch yoke, it is described to open axis mechanism and lock shaft machine
Structure is connect by control stick with control handle.
A kind of agricultural mini-tiller of driving device or gearbox including above-mentioned clutch yoke.
Using the agricultural mini-tiller of the present embodiment, gearbox and for the driving device of clutch yoke, enable to turning
To when operate that more labor-saving light and reaction speed is fast, improve the stability of steering operation.In addition, also improving gearbox
Stability and durability further improve the stability and durability of mini-tiller.Moreover, the gearbox using the present embodiment is close
Sealing property is good, increases the service life of gearbox and complete machine.Also make later period maintenance more convenient and at low cost.In short, this implementation
Mini-tiller complete machine in example is adaptable, can be in operation under rugged environment.
Claims (11)
1. a kind of driving device for mini-tiller clutch yoke, it is characterised in that: the driving device includes opening axis mechanism, lock
Axis mechanism and positioning mechanism；Wherein axis mechanism and the lock shaft mechanism opened is described fixed for controlling two positions of clutch yoke
Position mechanism carries out position to the clutch yoke and fixes；The driving device part is located in gearbox body (1), is partially located at and becomes
Fast cabinet (1) outside, is located at the driving device of gearbox body (1) outside and is sealed by sealing mechanism and gearbox body (1) end face；
The axis mechanism of opening is arranged in the same direction with the lock shaft mechanism, and the positioning mechanism opens axis mechanism and the lock shaft machine perpendicular to described
Structure setting；The axis mechanism of opening includes opening axis (2), and the lock shaft mechanism includes lock shaft (3), and the positioning mechanism includes pivot pin
(4), described open axis (2) are by axially reciprocating shift fork (5), and the pivot pin (4) is by axially reciprocating to described
Axis (2) positioning is opened, the lock shaft (3) drives the pivot pin (4) by axially reciprocating；It is described open axis (2), lock shaft (3),
Pressure spring (11) are arranged on pivot pin (4).
2. being used for the driving device of mini-tiller clutch yoke as described in claim 1, it is characterised in that: open axis (2) described
Lower part be provided with positioning groove (21), the tail end of the pivot pin (4) and the positioning groove (21) cooperate.
3. being used for the driving device of mini-tiller clutch yoke as claimed in claim 2, it is characterised in that: in the pivot pin (4)
Inclined-plane B(41 is provided on axis body), the tail portion of the lock shaft (3) is provided with inclined-plane A(31), the inclined-plane B(41) with it is described
Inclined-plane A(31) cooperating drives the pivot pin (4).
4. being used for the driving device of mini-tiller clutch yoke as claimed in claim 3, it is characterised in that: open axis described in the installation
(2) the axis hole end face of the lock shaft (3) is provided with oil seal seat (6) and oil sealing (7), is provided with and is used in the end face of transmission case body
The oil sealing pressing plate (8) of the fixed oil sealing (7).
5. being used for the driving device of mini-tiller clutch yoke as claimed in claim 4, it is characterised in that: the sealing mechanism packet
Include the rubber protecting jacket (9) opened on axis and/or lock shaft being sheathed on outside the transmission case body.
6. being used for the driving device of mini-tiller clutch yoke as claimed in claim 5, it is characterised in that: the rubber protecting jacket
(9) lower part is fixed by oil sealing pressing plate (8) sealing, and the top of the rubber protecting jacket (9) passes through lifting lug (15) or split pin
(10) axis (2) is opened and/or lock shaft (3) top is fixed with described.
7. being used for the driving device of mini-tiller clutch yoke as claimed in claim 6, it is characterised in that: pressure spring (11) position
In the axis hole that axis (2), lock shaft (3) and pivot pin (4) are opened described in the installation, and it is fixed by axis hole step and pressure spring retaining ring (12).
8. being used for the driving device of mini-tiller clutch yoke as claimed in claim 7, it is characterised in that: protected in the rubber
Opening in set (9) is additionally provided with pressure spring (11) on axis (2) and/or lock shaft (3), and the pressure spring (11) passes through the pressure spring retaining ring
(12) fixed with oil sealing pressing plate (8).
9. being used for the driving device of mini-tiller clutch yoke as claimed in claim 8, it is characterised in that: open axis (2) described
It is also equipped with bolt (13) on the transmission case body (1) of lower part, and is provided on axis (2) and the bolt (13) phase in described open
The axial slide (14) of cooperation.
10. a kind of gearbox of the driving device including clutch yoke described in the claims, described to open axis mechanism and institute
Lock shaft mechanism is stated to connect by control stick with control handle.
11. a kind of the micro- of driving device or gearbox including weighing clutch yoke described in above-mentioned any one claim ploughs
Machine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016103604303 | 2016-05-28 | ||
| CN201610360430 | 2016-05-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106438998A CN106438998A (en) | 2017-02-22 |
| CN106438998B true CN106438998B (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610990237.8A Active CN106438998B (en) | 2016-05-28 | 2016-11-10 | A kind of mini-tiller, gearbox and the driving device of clutch yoke |
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| CN (1) | CN106438998B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206478218U (en) * | 2016-05-28 | 2017-09-08 | 重庆万虎机电有限责任公司 | A kind of mini-tiller, gearbox and the drive device of clutch yoke |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19809424B4 (en) * | 1998-03-05 | 2008-10-02 | Volkswagen Ag | Locking device for a transmission |
| US6324928B1 (en) * | 2000-04-27 | 2001-12-04 | Eaton Corporation | Detent plunger assembly and control method |
| CN201258960Y (en) * | 2008-08-05 | 2009-06-17 | 上海第二工业大学 | Straight-motion track reproducing mechanical installation |
| CN203363087U (en) * | 2013-07-24 | 2013-12-25 | 重庆钟华机械有限责任公司 | Rapidly-detachable connector for tilling box and walking box |
| CN105020392B (en) * | 2014-04-24 | 2017-04-12 | 广州汽车集团股份有限公司 | Reverse gear locking mechanism, transmission and vehicle |
| CN204729621U (en) * | 2015-04-28 | 2015-10-28 | 陕西法士特齿轮有限责任公司 | A kind of transmission reverse gear latching mechanism |
| CN105351514A (en) * | 2015-12-14 | 2016-02-24 | 陕西法士特齿轮有限责任公司 | High reverse gear locking mechanism |
-
2016
- 2016-11-10 CN CN201610990237.8A patent/CN106438998B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206478218U (en) * | 2016-05-28 | 2017-09-08 | 重庆万虎机电有限责任公司 | A kind of mini-tiller, gearbox and the drive device of clutch yoke |
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| CN106438998A (en) | 2017-02-22 |
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