CN206478218U - A kind of mini-tiller, gearbox and the drive device of clutch yoke - Google Patents
A kind of mini-tiller, gearbox and the drive device of clutch yoke Download PDFInfo
- Publication number
- CN206478218U CN206478218U CN201621212789.8U CN201621212789U CN206478218U CN 206478218 U CN206478218 U CN 206478218U CN 201621212789 U CN201621212789 U CN 201621212789U CN 206478218 U CN206478218 U CN 206478218U
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- CN
- China
- Prior art keywords
- drive device
- mini
- lock shaft
- axle
- clutch yoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of mini-tiller, gearbox and the drive device of clutch yoke, the drive device includes driving axis mechanism, lock shaft mechanism and detent mechanism；Wherein described two positions for opening axis mechanism and lock shaft mechanism for controlling clutch yoke, the detent mechanism carries out position to the clutch yoke and fixed.Using the drive device of the present embodiment, steering operation stability high, reaction speed block and highly reliable are enabled to.
Description
Technical field：
The utility model is related to a kind of gearbox of agricultural mini-tiller, and the shift fork drive device in gearbox.
Background technology：
At present, mostly by the way of bracing wire control, i.e., mini-tiller turns to connection and operating mechanism in agricultural machinery：It is defeated in casing
A bracing wire is connected in the link arm gone out, bracing wire is reached again carries out operational control at the operation handle of handrail, also have part to use
The connection that box house carries out clutch yoke directly is stretched into bracing wire, it has the disadvantage：Bracing wire is positioned in the transmission of mini-tiller again
Consumable accessory, if the workload that its abrasion or damage are reprocessed is big, need to dismantle whole casing assembly, next to that it is close that its is connected in bracing wire
Envelope property hardly results in guarantee, and also very big or accuracy of detection cannot be guaranteed the difficulty of airtight detection, either internal using bracing wire
Connection or external connection, in a word, the use environment change of mini-tiller are very big, 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, security is difficult to by the way of existing bracing wire control
Ensure, and steering response speed is slow, and required power is big.
Utility model content：
The purpose of this utility model is to provide that a kind of steering operation is light, stability is high and fast response time micro- ploughs
Machine, gearbox and the drive device of clutch yoke.
In order to achieve the above object, the utility model is realized in：A kind of driving for mini-tiller clutch yoke
Device, it is characterised in that：The drive device includes driving axis mechanism, lock shaft mechanism and detent mechanism；It is wherein described to open axis mechanism
Two positions with lock shaft mechanism for controlling clutch yoke, the detent mechanism carries out position to the clutch yoke and fixed.
The clutch yoke drive device set using this aforesaid way so that mini-tiller can be more laborsaving light in steering operation, and
And steering stability is high, fast response time.In addition, the reliability for also causing gearbox complete machine using above-mentioned drive device is improved,
Durability is high.Enable using the mini-tiller of above-mentioned drive device be useful in environmental change greatly, the environment of rather harsh it
In
In order to further improve the reliability and durability of gearbox, the drive device part is located in gearbox body,
Part is located at outside gearbox body, and the drive device outside gearbox body is carried out close by sealing mechanism and gearbox body end face
Envelope.
In order to further optimize structure, the axis mechanism of opening is set in the same direction with the lock shaft mechanism, and the detent mechanism hangs down
It is straight to be set in the axis mechanism of opening with the lock shaft mechanism.
Further, the axis mechanism of opening includes opening axle, and the lock shaft mechanism includes lock shaft, and the detent mechanism includes axle
Pin, the axle of opening is by axially reciprocating shift fork, and the pivot pin is positioned by axially reciprocating to the axle of opening, institute
State lock shaft and the pivot pin is driven by axially reciprocating.
Further, axle, lock shaft are opened, it is arranged with stage clip described on pivot pin.
Positioned and simplified structure to further realize, the bottom for opening axle is provided with detent, the pivot pin
Tail end and the detent cooperate.
Driven and simplified structure to further realize, inclined-plane B is provided with the pivot pin axis body, in the lock shaft
Afterbody is provided with inclined-plane A, the inclined-plane B and the inclined-plane A mutual cooperation driving pivot pin.
In order to further improve sealing property, the axis hole end face that axle and the lock shaft are opened described in 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 improve sealing property, the sealing mechanism includes being sheathed on opening outside the transmission case body
Rubber protecting jacket on axle and lock shaft.
In order to further improve sealing property, the bottom of the rubber protecting jacket is fixed by the oil sealing pressing plate for sealing,
The top of the rubber protecting jacket axle is opened and/or lock shaft top is fixed with described by split pin.
Further, the stage clip, which is located at, installs in the axis hole for opening axle, lock shaft and pivot pin, and by axis hole step and
Stage clip back-up ring is fixed.
In order to further improve reliability of structure, opening in the rubber protecting jacket also sets up on axle and/or lock shaft
There is stage clip, the stage clip is fixed by the stage clip back-up ring and oil sealing pressing plate.
In order to further improve reliability of operation, bolt is also equipped with the transmission case body for opening axle bottom, and
And in the axial slide opened and be provided with axle with the bolt to cooperation.
It is a kind of to include the gearbox of the above-mentioned drive device for mini-tiller clutch yoke, it is described to open axis mechanism and lock shaft machine
Structure is connected by control stick with control handle.
A kind of agricultural mini-tiller of drive device or gearbox including above-mentioned clutch yoke.
Using mini-tiller of the present utility model, gearbox and the drive device for clutch yoke, have the advantage that
Have：1. enable to the operation when turning to more laborsaving light.2. reaction speed is fast when to turn to.3. improve steering operation
Stability.4. improving the stability and durability of gearbox, the stability and durability of mini-tiller are further increased.5. carry
The high sealing property of gearbox, adds the life-span of gearbox and complete machine.6. make it that later period maintenance more facilitates and cost is low.
7. cause mini-tiller complete machine strong adaptability, can be in operation under rugged environment.
Brief description of the drawings：
Fig. 1 be embodiment in be used for shift fork drive device structure chart；
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is Fig. 1 top zoomed-in view；
Fig. 4 is Fig. 1 bottom zoomed-in view.
Embodiment：
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, but the utility model
These embodiments are not limited to, any improvement or replacement on the present embodiment essence spirit still falls within the utility model
Claim scope claimed.
Embodiment：As Figure 1-4, a kind of drive device for mini-tiller clutch yoke, the drive device part
In gearbox body 1, partly outside gearbox body 1, the drive device outside gearbox body 1 is by sealing mechanism with becoming
The fast end face of casing 1 is sealed.And the drive device outside gearbox case 1 is connected by control stick with handle again.
Wherein, the drive device includes driving axis mechanism, lock shaft mechanism and detent 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 used to drive the shift fork 5, described fixed
Position mechanism is used to position the shift fork, and the lock shaft mechanism described drives axle machine for driving the detent mechanism
Structure is set in the same direction with the lock shaft mechanism, and the detent mechanism opens axis mechanism and lock shaft mechanism is vertically arranged with described.
Wherein, the axis mechanism of opening includes opening axle 2, and the lock shaft mechanism includes lock shaft 3, and the detent mechanism includes pivot pin
4, the axle 2 of opening is by axially reciprocating shift fork 5, and the pivot pin 4 is determined the axle 2 of opening by axially reciprocating
Position, the lock shaft 3 drives the pivot pin 4 by axially reciprocating.Also, open axle 2, lock shaft 3 described, cover on pivot pin 4
Provided with stage clip 11.
In the present embodiment, it is set as on opening the structure of the positioning of axle 2 described in 4 pairs of the pivot pin：Axle 2 is opened described
Bottom be provided with detent 21, the tail end of the pivot pin 4 cooperates with the detent 21.When the lock shaft 3 drives
When the dynamic pivot pin 4 is axially moved, the tail end of the pivot pin 4 and the separation of detent 21 are enabled to, split axle 2 is realized
Positioning, furthermore achieved that the positioning to shift fork 5, that is, realize the fixation of gear.
In addition, in the present embodiment, the lock shaft 3 drives what the structure of the pivot pin 4 was set as：In the pivot pin 4
Inclined-plane B41 is provided with axis body, the afterbody of the lock shaft 3 is provided with inclined-plane A31, the inclined-plane B41 and the inclined-plane A31 phases
Mutually coordinate the driving pivot pin 4.So, by the axial movement of lock shaft 3 inclined-plane A31 can be caused to promote inclined-plane B41, entered
And cause the pivot pin 4 to do axially reciprocating.
In addition, the form for sealing mechanism has a variety of set-up modes, in the present embodiment, it can be opened first described in installation
The axis hole end face of axle 2 and the lock shaft 3 is provided with oil seal seat 6 and oil sealing 7, and being provided with the end face of the transmission case body 1 is used for
The oil sealing pressing plate 8 of the fixed oil sealing 7, O-ring seal is additionally provided between the oil seal seat 6 and the axis hole.
In addition, as another embodiment in the present embodiment, can also increase on the basis of above-mentioned sealing means
Rubber protecting jacket 9, can be set in opening on axle 2 and lock shaft 3 outside the transmission case body 1 by the rubber protecting jacket 9.And
And the bottom of the rubber protecting jacket 9 can be tightly connected by oil sealing pressing plate 8 with transmission case body 1, the rubber protecting jacket 9
Top can be fixed by split pin 10 with the top for opening axle 2 and the lock shaft 3.The effect of wherein described split pin 10 also has
By hanger 15 with opening the effect that axle 2 and lock shaft 3 are fixed, the top of the rubber protecting jacket 9 can also be set directly at the hanger
Between 15 and axle outer wall, sealing fixation is carried out by the pressure of hanger 15 and axle.In addition, being set on the rubber protecting jacket 9
In respect of the fold of axial direction, the progress that can open axle 2 and lock shaft 3 is stretched., can be in the rubber when installing the rubber protecting jacket 9
Butter lubrication is coated in glue, to ensure that its surface is in clean and tidy state all the time.
In addition, the self-return performance in order to realize the opening mechanism, lock shaft mechanism and detent mechanism, also opens axle described
2nd, lock shaft 3 is located at the axle that axle 2, lock shaft 3 and pivot pin 4 are opened described in installation with being arranged with stage clip 11, the stage clip 11 on the pivot pin 4
In hole, and fixed by axis hole step with stage clip back-up ring 12.
As another embodiment in the present embodiment, also stage clip 11 can be set up on axle 2 and the lock shaft 3 in described open,
The stage clip 11 set up may be provided at opening on axle 2 and/or lock shaft 3 in the rubber protecting jacket 9, and the stage clip 11 passes through the pressure
Spring back-up ring 12 is fixed with oil sealing pressing plate 8.
In addition, being also equipped with bolt 13 on the transmission case body 1 for opening the bottom of axle 2, and set in described open on axle 2
There is the axial slide 14 to cooperation with the bolt 12.When it is described open axle 2 and doing axially reciprocating when, the bolt 13 and institute
The linearity for opening the motion of axle 2 can be ensured by stating the cooperation of axial slide 14, will not be produced crooked.
Using the present embodiment the drive device for shift fork when, by trigger rod so that described open opening for axis mechanism
Axle 2 does axially reciprocating, and such as Fig. 1 opens the manipulated bar F1 external force of axle 2 and moved downward, the detent 21 opened on axle 2 exists
End during moving downward with pivot pin 4 is combined so that the end of pivot pin 4 is stuck in the detent 21, now, is opened
Axle 1 is locked.When replacing gear, which opens axle 2, needs return, the external force by action bars to lock shaft 3F2 allows lock shaft 3 to transport downwards
Dynamic, the inclined-plane A31 when lock shaft 3 is moved downward on lock shaft 3 promotes the upward inclined-plane B41 of pivot pin so that pivot pin 4 moves right
（F3 opposite directions）.When pivot pin 4 and detent 21 depart from, elastic force of the axle 2 by stage clip 11 is opened（F1 opposite directions）It is pushed back original
Position, lock shaft 3 is also in the elastic force of stage clip 11（F2 opposite directions）Original position is returned under effect, pivot pin 4 is simultaneously also in the elastic force of stage clip 11（F3 side
To）In the presence of return to original position.
It is a kind of to include the gearbox of the above-mentioned drive device for mini-tiller clutch yoke, it is described to open axis mechanism and lock shaft machine
Structure is connected by control stick with control handle.
A kind of agricultural mini-tiller of drive device or gearbox including above-mentioned clutch yoke.
Using the agricultural mini-tiller of the present embodiment, gearbox and the drive device for clutch yoke, enable to turning
To when the more laborsaving light and reaction speed of operation it is fast, improve the stability of steering operation.In addition, also improving gearbox
Stability and durability, further increase the stability and durability of mini-tiller.Moreover, close using the gearbox of the present embodiment
Sealing property is good, adds the life-span of gearbox and complete machine.Also so that later period maintenance more facilitates and cost is low.In a word, this implementation
Mini-tiller complete machine strong adaptability in example, can be in operation under rugged environment.
Claims (30)
1. a kind of drive device for mini-tiller clutch yoke, it is characterised in that：The drive device includes driving axis mechanism, lock
Axis mechanism and detent mechanism；Wherein described two positions for opening axis mechanism and lock shaft mechanism for controlling clutch yoke, it is described fixed
Position mechanism carries out position to the clutch yoke and fixed.
2. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 1, it is characterised in that：The drive device portion
Divide and be located at gearbox body（1）It is interior, partly positioned at gearbox body（1）Outside, positioned at gearbox body（1）Outer drive device passes through sealing
Mechanism and gearbox body（1）End face is sealed.
3. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 1, it is characterised in that：It is described open axis mechanism with
The lock shaft mechanism is set in the same direction, and the detent mechanism is set perpendicular to the axis mechanism of opening with the lock shaft mechanism.
4. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 2, it is characterised in that：It is described open axis mechanism with
The lock shaft mechanism is set in the same direction, and the detent mechanism is set perpendicular to the axis mechanism of opening with the lock shaft mechanism.
5. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 3, it is characterised in that：It is described to open axis mechanism bag
Include out axle（2）, the lock shaft mechanism include lock shaft（3）, the detent mechanism include pivot pin（4）, it is described to open axle（2）Pass through axial direction
Move back and forth shift fork（5）, the pivot pin（4）Axle is opened to described by axially reciprocating（2）Positioning, the lock shaft（3）
The pivot pin is driven by axially reciprocating（4）.
6. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 4, it is characterised in that：It is described to open axis mechanism bag
Include out axle（2）, the lock shaft mechanism include lock shaft（3）, the detent mechanism include pivot pin（4）, it is described to open axle（2）Pass through axial direction
Move back and forth shift fork（5）, the pivot pin（4）Axle is opened to described by axially reciprocating（2）Positioning, the lock shaft（3）
The pivot pin is driven by axially reciprocating（4）.
7. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 5, it is characterised in that：Axle is opened described（2）、
Lock shaft（3）, pivot pin（4）On be arranged with stage clip（11）.
8. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 6, it is characterised in that：Axle is opened described（2）、
Lock shaft（3）, pivot pin（4）On be arranged with stage clip（11）.
9. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 5, it is characterised in that：Axle is opened described（2）
Bottom be provided with detent（21）, the pivot pin（4）Tail end and the detent（21）Cooperate.
10. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 7, it is characterised in that：Axle is opened described（2）
Bottom be provided with detent（21）, the pivot pin（4）Tail end and the detent（21）Cooperate.
11. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 6, it is characterised in that：Axle is opened described（2）
Bottom be provided with detent（21）, the pivot pin（4）Tail end and the detent（21）Cooperate.
12. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 8, it is characterised in that：Axle is opened described（2）
Bottom be provided with detent（21）, the pivot pin（4）Tail end and the detent（21）Cooperate.
13. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 9, it is characterised in that：In the pivot pin（4）
Inclined-plane B is provided with axis body（41）, in the lock shaft（3）Afterbody be provided with inclined-plane A（31）, the inclined-plane B（41）With it is described
Inclined-plane A（31）Cooperate the driving pivot pin（4）.
14. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 10, it is characterised in that：In the pivot pin
（4）Inclined-plane B is provided with axis body（41）, in the lock shaft（3）Afterbody be provided with inclined-plane A（31）, the inclined-plane B（41）With institute
State inclined-plane A（31）Cooperate the driving pivot pin（4）.
15. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 11, it is characterised in that：In the pivot pin
（4）Inclined-plane B is provided with axis body（41）, in the lock shaft（3）Afterbody be provided with inclined-plane A（31）, the inclined-plane B（41）With institute
State inclined-plane A（31）Cooperate the driving pivot pin（4）.
16. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 12, it is characterised in that：In the pivot pin
（4）Inclined-plane B is provided with axis body（41）, in the lock shaft（3）Afterbody be provided with inclined-plane A（31）, the inclined-plane B（41）With institute
State inclined-plane A（31）Cooperate the driving pivot pin（4）.
17. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 13, it is characterised in that：Opened described in installation
Axle（2）With the lock shaft（3）Axis hole end face be provided with oil seal seat（6）And oil sealing（7）, the end face of gearbox body is provided with use
In the fixed oil sealing（7）Oil sealing pressing plate（8）.
18. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 14, it is characterised in that：Opened described in installation
Axle（2）With the lock shaft（3）Axis hole end face be provided with oil seal seat（6）And oil sealing（7）, the end face of gearbox body is provided with use
In the fixed oil sealing（7）Oil sealing pressing plate（8）.
19. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 15, it is characterised in that：Opened described in installation
Axle（2）With the lock shaft（3）Axis hole end face be provided with oil seal seat（6）And oil sealing（7）, set in the end face of the gearbox body
Have for fixing the oil sealing（7）Oil sealing pressing plate（8）.
20. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 16, it is characterised in that：Opened described in installation
Axle（2）With the lock shaft（3）Axis hole end face be provided with oil seal seat（6）And oil sealing（7）, set in the end face of the gearbox body
Have for fixing the oil sealing（7）Oil sealing pressing plate（8）.
21. the drive device for mini-tiller clutch yoke as described in claim 2,4,6,8,11,12,15 or 16, it is special
Levy and be：The sealing mechanism includes being sheathed on the rubber protecting jacket opened on axle and/or lock shaft outside the gearbox body
（9）.
22. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 19, it is characterised in that：The sealing mechanism
Including the rubber protecting jacket opened on axle and/or lock shaft being sheathed on outside the gearbox body（9）.
23. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 20, it is characterised in that：The sealing mechanism
Including the rubber protecting jacket opened on axle and/or lock shaft being sheathed on outside the gearbox body（9）.
24. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 22, it is characterised in that：The rubber protection
Set（9）Bottom pass through the oil sealing pressing plate（8）Sealing is fixed, the rubber protecting jacket（9）Top pass through hanger（15）Or
Split pin（10）Axle is opened with described（2）And/or lock shaft（3）Top is fixed.
25. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 23, it is characterised in that：The rubber protection
Set（9）Bottom pass through the oil sealing pressing plate（8）Sealing is fixed, the rubber protecting jacket（9）Top pass through hanger（15）Or
Split pin（10）Axle is opened with described（2）And/or lock shaft（3）Top is fixed.
26. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 25, it is characterised in that：The stage clip（11）
Axle is opened positioned at described in installation（2）, lock shaft（3）And pivot pin（4）Axis hole in, and pass through axis hole step and stage clip back-up ring（12）Gu
It is fixed.
27. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 26, it is characterised in that：Protected in the rubber
Sheath（9）Interior opens axle（2）And/or lock shaft（3）On be additionally provided with stage clip（11）, the stage clip（11）Pass through the stage clip back-up ring
（12）With oil sealing pressing plate（8）It is fixed.
28. it is used for the drive device of mini-tiller clutch yoke as claimed in claim 27, it is characterised in that：Axle is opened described
（2）The gearbox body of bottom（1）On be also equipped with bolt（13）, and open axle described（2）On be provided with and the bolt
（13）To the axial slide of cooperation（14）.
29. a kind of gearbox of the drive device of the clutch yoke including described in above-mentioned any one claim, described to open axle
Mechanism is connected with the lock shaft mechanism by control stick with control handle.
30. described in the drive device or claim 29 of a kind of clutch yoke including any one of claim 1-28
The mini-tiller of gearbox.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620495537 | 2016-05-28 | ||
| CN2016204955374 | 2016-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478218U true CN206478218U (en) | 2017-09-08 |
Family
ID=59756709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621212789.8U Expired - Fee Related CN206478218U (en) | 2016-05-28 | 2016-11-10 | A kind of mini-tiller, gearbox and the drive device of clutch yoke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206478218U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438998A (en) * | 2016-05-28 | 2017-02-22 | 重庆万虎机电有限责任公司 | Mini-tiller, transmission and drive device of clutch shifting fork |
| CN108221983A (en) * | 2017-10-13 | 2018-06-29 | 何正和 | A kind of constructions work equipment of practicality |
| CN108643238A (en) * | 2018-06-01 | 2018-10-12 | 宁波帝杨电子科技有限公司 | A kind of adjustable cover for manhole and opener based on road surface safety |
| CN108797644A (en) * | 2018-06-01 | 2018-11-13 | 金华职业技术学院 | Hinged inspection well cover and opener a kind of antitheft and convenient for safeguarding |
| CN108842824A (en) * | 2018-06-01 | 2018-11-20 | 宁波帝杨电子科技有限公司 | A kind of inspection well cover and opener for preventing improper disengaging |
| CN108842823A (en) * | 2018-06-01 | 2018-11-20 | 宁波帝杨电子科技有限公司 | A kind of inspection well cover and opener based on evenness of road surface safety |
-
2016
- 2016-11-10 CN CN201621212789.8U patent/CN206478218U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438998A (en) * | 2016-05-28 | 2017-02-22 | 重庆万虎机电有限责任公司 | Mini-tiller, transmission and drive device of clutch shifting fork |
| CN106438998B (en) * | 2016-05-28 | 2019-05-21 | 重庆万虎机电有限责任公司 | A kind of mini-tiller, gearbox and the driving device of clutch yoke |
| CN108221983A (en) * | 2017-10-13 | 2018-06-29 | 何正和 | A kind of constructions work equipment of practicality |
| CN108643238A (en) * | 2018-06-01 | 2018-10-12 | 宁波帝杨电子科技有限公司 | A kind of adjustable cover for manhole and opener based on road surface safety |
| CN108797644A (en) * | 2018-06-01 | 2018-11-13 | 金华职业技术学院 | Hinged inspection well cover and opener a kind of antitheft and convenient for safeguarding |
| CN108842824A (en) * | 2018-06-01 | 2018-11-20 | 宁波帝杨电子科技有限公司 | A kind of inspection well cover and opener for preventing improper disengaging |
| CN108842823A (en) * | 2018-06-01 | 2018-11-20 | 宁波帝杨电子科技有限公司 | A kind of inspection well cover and opener based on evenness of road surface safety |
| CN108842824B (en) * | 2018-06-01 | 2020-11-10 | 诸暨市御隆智能科技有限公司 | Prevent inspection shaft lid and opening tool that abnormal separation from |
| CN108842823B (en) * | 2018-06-01 | 2020-11-20 | 诸暨市御隆智能科技有限公司 | Inspection shaft lid and opening tool based on road surface is leveled safety |
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