CN206175580U - Micro -tiller gearbox assembly - Google Patents
Micro -tiller gearbox assembly Download PDFInfo
- Publication number
- CN206175580U CN206175580U CN201621261153.2U CN201621261153U CN206175580U CN 206175580 U CN206175580 U CN 206175580U CN 201621261153 U CN201621261153 U CN 201621261153U CN 206175580 U CN206175580 U CN 206175580U
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- China
- Prior art keywords
- clutch
- plate
- gear
- tiller
- mini
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Abstract
The utility model discloses a micro -tiller gearbox assembly, including transmission housing and cap, planetary transmission mechanism and arrestment mechanism, the planet transmission includes ring gear, planet carrier, planetary gear and sun gear, and planetary gear installs on the planet carrier, the ring gear is installed in installing the room through an antifriction bearing, and ring gear and planetary gear meshing, sun gear and planetary gear meshing, arrestment mechanism includes the clutch -plate, and the top at the ring gear is installed to the clutch -plate, the clutch -plate is fixed on the cap, and the structure separation and reunion connection of acting as go -between is stirred through the connection in clutch -plate opening part both ends. The utility model discloses an antifriction bearing installs the ring gear for the ring gear becomes face contact with the installation room by the point contact, and the clutch -plate be the twin axle clutch -plate, and twin axle clutch -plate atress is even, and the stress point is all in the outside of clutch -plate, the torsional forces increase at double of production, and the frictional force increase substantially of ring gear under a clutch -plate and an antifriction bearing's combined action, the sensitivity is with stable good during the variable speed, and it is minimum to wear and tear.
Description
Technical field
This utility model is related to tiller field, especially a kind of transmission case assembly of mini-tiller.
Background technology
Tiller has lightweight, and the construction featuress such as small volume, tiller is widely used in the drought on Plain, mountain area, hills
Ground, paddy field and orchard etc., tiller can freely be travelled in field, and also allow for using and depositing for user, not only be saved
Go large-scale farm machinery to cannot be introduced into the worry in mountain area field, be that vast farmerses consumer replaces cattle to plough with artificial farming most
Good selection.Existing tiller great majority are to realize speed change by planetary gears, Planetary Gear Transmission it is steady it is reliable, use
Efficiency high, compact conformation, but this mode is due to gear ring and to install room be by contacting installation, being easily caused change speed gear box
Interior drive mechanism abrasion is very big, and the clutch-plate used in variator is single shaft, and two due to single shaft clutch-plate receive
Force is distributed in inside and outside clutch-plate, the unbalance stress of clutch-plate, and the drive mechanism for causing transmission internal weares and teares bigger；
The torsional forces of generation is also little, causes the stability and susceptiveness of speed change poor.
Utility model content
For the problems referred to above of the prior art, the utility model proposes a kind of transmission case assembly of mini-tiller, this practicality
New when aiming to solve the problem that existing tiller speed change, susceptiveness and stability difference and drive mechanism are worn and torn great technical problem.
The technical solution of the utility model is：Transmission case assembly of mini-tiller, including gear box casing and cap, Gear Planet Transmission
Mechanism and arrestment mechanism, the centrally disposed transmission axis hole, connecting hole and fixing hole on the lid, set in the gear box casing
Installation room and the right angle setting hole for installing driving gear shaft are put, right angle setting hole connects with room bottom is installed；
Gear Planet Transmission includes gear ring, planet carrier, planetary gear and sun gear, and annular side is arranged at the outer rim of the gear ring
Wall；The planet carrier is arranged on installs room center, and planetary gear is installed in planet carrier；The gear ring is rolled by first
Bearing is arranged on to be installed in room, and gear ring inner side is engaged with planetary gear, outside and the installation indoor wall of the annular sidewall
Laminating；The sun gear is fixed on the power transmission shaft being connected with clutch at one end, and sun gear is engaged with planetary gear；
Arrestment mechanism includes clutch-plate, and the clutch-plate is substantially in the circular ring structure for being provided with opening, the clutch-plate
Overall diameter is slightly smaller than the interior diameter of annular sidewall, and the clutch-plate is arranged on the top of gear ring；The clutch-plate passes through fixture
Coordinate with fixing hole and be fixed on cap, structure is stirred in two ends by connection and connecting hole draws respectively with clutch at clutch-plate opening
Line connect, it is described connection stir structure promote clutch-plate opening at the outside lateral movement in two ends so that the lateral wall of clutch-plate with
Gear ring is contacted.
Further, the planet carrier is arranged on by the second rolling bearing and is installed in room.
Further, second rolling bearing is deep groove ball bearing.
Further, the clutch shaft bearing is plane bearing.
Further, the clutch-plate is consisted of two semicircular ring clutch-plates elastic partss connection.
Further, the semicircular ring clutch-plate is respectively provided with contiguous block, the semicircular ring on the side wall of end
The arcuate groove of cross section semicircular in shape is provided with one end rostral wall of clutch-plate, the other end of semicircular ring clutch-plate is provided with through hole,
Two contiguous blocks of two semicircular ring clutch-plates near arcuate groove one end, two contiguous blocks near through hole one end pass through respectively bullet
Spring connects to form clutch-plate.
Further, it is provided with friction piece on the lateral wall of the clutch-plate.
Further, the connection stirs structure including clutch shaft and shifting block, and one end of the clutch shaft is fixed on through hole
In, and through connecting hole, the other end of clutch shaft is connected with shifting block, the other end of shifting block is connected with clutch bracing wire.
Further, the inner side of the annular sidewall arranges bar shaped tooth.
Compared with prior art, the beneficial effects of the utility model are：
1. this utility model by the first rolling bearing by gear ring be arranged on install room in, so that by existing gear ring with
The point contact for installing room becomes face contact, it is ensured that stationarity in transmission process, also reduces gear ring, planetary gear and installs room
Abrasion；
2. this utility model uses the left and right sides of twin axle clutch-plate, twin axle clutch-plate to pull to both sides simultaneously, makes
Clutch-plate uniform force is obtained, and two stress points of clutch-plate are in the outside of clutch-plate so that and the torsional forces of generation is at double
Increase, clutch-plate both sides contact with gear ring simultaneously, along with gear ring with room is installed by being that face contacts, torsional forces also increases,
So that gear ring is subject to the frictional force of clutch-plate and the first rolling bearing, frictional force to increase considerably simultaneously, the susceptiveness of change speed gear box
It is good with stationarity, and it is further ensured that the abrasion of drive mechanism in change speed gear box is little.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 removes the structural representation of cap for this utility model
Fig. 3 is sectional views of the Fig. 1 along A-A faces.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrated to the technical scheme in this utility model.
Referring to the drawings 1,2,3, this utility model includes gear box casing 1 and cap 2, epicyclic transmission mechanism and brake
Structure, the centrally disposed transmission axis hole 3, connecting hole and fixing hole 4 on lid is arranged in gear box casing 1 and installs room 5 and for pacifying
The right angle setting hole 6 of dress driving gear shaft, right angle setting hole 6 connects with the bottom of room 5 is installed；
Gear Planet Transmission includes gear ring 7, planet carrier 8, planetary gear 9 and sun gear (not shown), at the outer rim of gear ring 7
Annular sidewall 10 is set；Gear ring 7 and annular sidewall 10 are integrally formed；Planet carrier 8 is arranged on installs the center of room 5, planet tooth
Wheel 9 is installed in planet carrier 8；Gear ring 7 is arranged on by the first rolling bearing and is installed in room 5, and the inner side of gear ring 7 and planetary gear
Fit with the medial wall of room 5 is installed in 9 engagements, the outside of annular sidewall 10；Sun gear fixes the transmission being connected with clutch at one end
In axle (not shown), and sun gear is engaged with planetary gear 9；
Arrestment mechanism includes clutch-plate 11, and clutch-plate 11 is substantially in the circular ring structure for being provided with opening, outside clutch-plate 11
Diameter is slightly smaller than the interior diameter of annular sidewall 10, and clutch-plate 11 is arranged on the top of gear ring 7；Clutch-plate 11 passes through the He of fixture 12
The cooperation of fixing hole 4 is fixed on cap 2, and fixture 12 can be bolt and screw etc., and two ends are by connecting at the opening of clutch-plate 11
Connect and stir structure and connecting hole is connected respectively with clutch bracing wire, the connection stir structure promote two ends at clutch-plate opening to
Movement outside so that the lateral wall of clutch-plate contacts with gear ring.
This utility model is installed in room 5 by the way that planet carrier 8 and gear ring 7 are arranged on, and gear ring 7 and installation planet carrier
Planetary gear 9 on 8 is engaged, and planetary gear 9 and the sun gear being fixed on the power transmission shaft being connected with clutch are engaged, clutch
To be delivered on sun gear from the power of electromotor, when clutch-plate is not contacted with gear ring；Sun gear transfers power to row
On star gear 9, planetary gear 9 is transferred power on gear ring 7, and now, planet carrier is not rotated, and power cannot be delivered to vehicle with walking machine
In structure；When pulling clutch bracing wire, shifting block to stir the two ends at clutch-plate opening and be flared out, clutch-plate 11 produces torsional forces, makes
Clutch-plate 11 contacts generation frictional force with gear ring 7, and gear ring 7 is subject to the frictional force of the first rolling bearing and clutch-plate 11, makes simultaneously
Obtain clutch-plate to lock gear ring, now planetary gear 9 transfers power to obtain different gear ratios on planet carrier 8, planet carrier 8
Again by active transfer to walking mechanism；So that reaching epicyclic transmission mechanism carries out the purpose of speed change to tiller.
Planet carrier 8 is arranged on by the second rolling bearing 13 and is installed in room 5, and the second rolling bearing 13 is deep groove ball bearing,
Using deep groove ball bearing by planet carrier 8 be arranged on install room 5 in, it is ensured that planet carrier 8 can smooth rotation while, reduce
The abrasion of planet carrier 8, deep groove ball bearing can also carry the axial load that planet carrier 8 is subject to.
Clutch shaft bearing is plane bearing 14, and plane bearing 14 is plane deep groove ball bearing or plane needle bearing, will be put down
The upper circle of face deep groove ball bearing or plane needle bearing is fixed on the bottom surface of gear ring 7, and lower circle is fixed in installation room 5, this
Sample avoids in transmission process gear ring 7 and installs room 5 and causes after greatly abrasion, and Shang Quan and the abrasion of lower circle, can be with
Change in time, low cost, it is to avoid cause driving error or poor sensitivity.
Clutch-plate 11 is consisted of two semicircular ring clutch-plates elastic partss connection；Clutch-plate 11 is so caused to produce into
Type is simpler, and so enables clutch-plate 11 to produce larger torsional forces, it is ensured that clutch-plate 11 will not be deformed upon
Or damage.
Semicircular ring clutch-plate is respectively provided with contiguous block 15, one end rostral of semicircular ring clutch-plate on the side wall of end
The arcuate groove of cross section semicircular in shape is provided with wall, the other end of semicircular ring clutch-plate is provided with through hole, two semicircular ring clutch-plates
Two contiguous blocks 15 near arcuate groove one end, two contiguous blocks 15 near through hole one end are formed respectively by the connection of spring 16
Clutch-plate 11；Spring 16 can be extension spring, so that clutch-plate 11 when pulled, not ensure that the shape of clutch-plate 11
Into close entirety, any loosening will not occur, two semicircular ring clutch-plates only can be in level side in clutch-plate 11 when pulled
Move upwards, it is ensured that the good performance of clutch-plate 11 and lasting service life.
Friction piece 17 is provided with the lateral wall of clutch-plate 11, friction piece 17 can be asbestos friction body, semimetal friction
Body, powder metallurgy friction piece and carbon fiber friction body etc. so that the abrasion of gear ring 7 is little, it is ensured that clutch-plate 11 can be good
Absorb and transmit power, it is ensured that the transmission in change speed gear box works well.
Connection stirs structure including clutch shaft 18 and shifting block 19, and one end of clutch shaft 18 is fixed in through-holes, and through even
Hole is connect, the other end of clutch shaft 18 is connected with shifting block 19, and the other end of shifting block 19 is connected with clutch bracing wire.
The inner side of annular sidewall 10 arranges bar shaped tooth (not shown), on the annular sidewall 10 that bar shaped tooth is vertically arranged,
Gear ring 7 is so caused to contact with clutch-plate 11 easily, generation frictional force is bigger between gear ring and clutch-plate, can quickly by gear ring
Lock, and produce frictional force and be generally evenly distributed on annular sidewall 10 so that during speed change, the sensitivity of change speed gear box is high, speed change
Stationarity is more preferable.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model
Protection domain within.
Claims (9)
1. transmission case assembly of mini-tiller, it is characterised in that：Including gear box casing and cap, epicyclic transmission mechanism and brake
Structure, the centrally disposed transmission axis hole, connecting hole and fixing hole on the lid is arranged in the gear box casing and installs room and use
In the right angle setting hole for installing driving gear shaft, right angle setting hole connects with room bottom is installed；
Gear Planet Transmission includes gear ring, planet carrier, planetary gear and sun gear, and annular sidewall is arranged at the outer rim of the gear ring；Institute
State planet carrier and be arranged on installation room center, planetary gear is installed in planet carrier；The gear ring passes through the first rolling bearing
In installation room, and gear ring inner side is engaged with planetary gear, and the outside of the annular sidewall is fitted with indoor wall is installed；
The sun gear is fixed on the power transmission shaft being connected with clutch at one end, and sun gear is engaged with planetary gear；
Arrestment mechanism includes clutch-plate, the clutch-plate substantially in being provided with the circular ring structure of opening, the clutch-plate it is outer straight
Footpath is slightly smaller than the interior diameter of annular sidewall, and the clutch-plate is arranged on the top of gear ring；The clutch-plate is by fixture and admittedly
Determine hole cooperation to be fixed on cap, structure is stirred in two ends by connection and connecting hole connects respectively with clutch bracing wire at clutch-plate opening
Connect, the outside lateral movement in two ends at structure promotion clutch-plate opening is stirred in the connection so that the lateral wall of clutch-plate and gear ring
Contact.
2. transmission case assembly of mini-tiller as claimed in claim 1, it is characterised in that：The planet carrier passes through the second rolling bearing
In installation room.
3. transmission case assembly of mini-tiller as claimed in claim 2, it is characterised in that：Second rolling bearing is deep-groove ball axle
Hold.
4. transmission case assembly of mini-tiller as claimed in claim 1, it is characterised in that：The clutch shaft bearing is plane bearing.
5. transmission case assembly of mini-tiller as claimed in claim 1, it is characterised in that：The clutch-plate is by two semicircular ring clutches
Piece is consisted of elastic partss connection.
6. transmission case assembly of mini-tiller as claimed in claim 5, it is characterised in that：The semicircular ring clutch-plate is near end
Side wall on be respectively provided with contiguous block, the arc of cross section semicircular in shape is provided with one end rostral wall of the semicircular ring clutch-plate
Groove, the other end of semicircular ring clutch-plate is provided with through hole, two semicircular ring clutch-plates near arcuate groove one end two contiguous blocks, lean on
Two contiguous blocks of nearly through hole one end connect to form clutch-plate by spring respectively.
7. transmission case assembly of mini-tiller as claimed in claim 6, it is characterised in that：It is provided with the lateral wall of the clutch-plate
Friction piece.
8. transmission case assembly of mini-tiller as claimed in claim 6, it is characterised in that：The connection stirs structure including clutch shaft
And shifting block, one end of the clutch shaft is fixed in through-holes, and through connecting hole, the other end of clutch shaft is connected with shifting block, dials
The other end of block is connected with clutch bracing wire.
9. transmission case assembly of mini-tiller as claimed in claim 1, it is characterised in that：The inner side of the annular sidewall arranges bar shaped
Tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621261153.2U CN206175580U (en) | 2016-11-22 | 2016-11-22 | Micro -tiller gearbox assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621261153.2U CN206175580U (en) | 2016-11-22 | 2016-11-22 | Micro -tiller gearbox assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175580U true CN206175580U (en) | 2017-05-17 |
Family
ID=58687108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621261153.2U Active CN206175580U (en) | 2016-11-22 | 2016-11-22 | Micro -tiller gearbox assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438876A (en) * | 2016-11-22 | 2017-02-22 | 重庆市柯森汽车配件有限责任公司 | Gearbox assembly of mini-tiller |
| CN107084231A (en) * | 2017-06-09 | 2017-08-22 | 淄博悍铃机械有限公司 | Multifunctional small tiller |
-
2016
- 2016-11-22 CN CN201621261153.2U patent/CN206175580U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438876A (en) * | 2016-11-22 | 2017-02-22 | 重庆市柯森汽车配件有限责任公司 | Gearbox assembly of mini-tiller |
| CN107084231A (en) * | 2017-06-09 | 2017-08-22 | 淄博悍铃机械有限公司 | Multifunctional small tiller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |