CN106438876A - Gearbox assembly of mini-tiller - Google Patents
Gearbox assembly of mini-tiller Download PDFInfo
- Publication number
- CN106438876A CN106438876A CN201611040039.1A CN201611040039A CN106438876A CN 106438876 A CN106438876 A CN 106438876A CN 201611040039 A CN201611040039 A CN 201611040039A CN 106438876 A CN106438876 A CN 106438876A
- Authority
- CN
- China
- Prior art keywords
- clutch
- gear
- plate
- tiller
- mini
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 14
- 238000005299 abrasion Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 240000007643 Phytolacca americana Species 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 12
- 238000003756 stirring Methods 0.000 description 3
- 241000283690 Bos taurus Species 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/082—Transmissions; Gearings; Power distribution
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Retarders (AREA)
Abstract
The invention discloses a gearbox assembly of a mini-tiller. The gearbox assembly is characterized by comprising a gearbox shell, a shell cover, a planetary transmission mechanism and a brake mechanism; the planetary transmission mechanism comprises a gear ring, a planet carrier, a planet gear and a sun gear; the planet gear is mounted on the planet carrier; the gear ring is mounted in a mounting chamber through a first rolling bearing and is meshed with the planet gear; the sun gear is meshed with the planet gear; the brake mechanism comprises a clutch disc; the clutch disc is mounted at the top of the gear ring and is fixedly arranged on the shell cover; the two ends of the opening of the clutch disc are connected by a clutching pull wire of a connecting poke structure. According to the gearbox assembly disclosed by the invention, the gear ring is mounted through the first rolling bearing so that point contact of the gear ring and the mounting chamber is changed into surface contact, the clutch disc is a double-axis clutch disc which is uniformly stressed, and the fore bearing points are all at the outer side of the clutch disc, so the generated torque force is multiplied; the friction force of the gear ring is greatly increased under combined action of the clutch disc and the first rolling bearing, so the gearbox assembly is good in sensitivity and stability and extremely small in abrasion during a speed changing process.
Description
Technical field
The present invention relates to tiller field, especially a kind of transmission case assembly of mini-tiller.
Background technology
Tiller has lightweight, the construction featuress such as small volume, and tiller is widely used in the drought on Plain, mountain area, hills
Ground, paddy field and orchard etc., tiller can be freely travelled in field, and also allows for using and depositing for user, not only saved
Go large-scale farm machinery that the worry in mountain area field is cannot be introduced into, 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, and Planetary Gear Transmission is steadily reliable, use
Efficiency high, compact conformation, but this mode be due to gear ring and 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, causes the drive mechanism of transmission internal to wear and tear bigger；
The torsional forces of generation is also little, causes the stability of speed change and susceptiveness poor.
Content of the invention
For the problems referred to above of the prior art, the present invention proposes a kind of transmission case assembly of mini-tiller, it is contemplated that
When solving existing tiller speed change, susceptiveness and stability difference and drive mechanism are worn and torn great technical problem.
The technical scheme is that：Transmission case assembly of mini-tiller, including gear box casing and cap, epicyclic transmission mechanism
And arrestment mechanism, centrally disposed transmission axis hole on the lid, connecting hole and fixing hole, peace is set in the gear box casing
Dress room and the right angle setting hole for installing driving gear shaft, right angle setting hole is connected with room bottom is installed；
Gear Planet Transmission includes gear ring, planet carrier, planetary gear and sun gear, arranges annular side at the outer rim of the gear ring
Wall；The planet carrier is installed in room center is installed, and planetary gear is installed in planet carrier；The gear ring is rolled by first
Bearing and engage with planetary gear on the inside of gear ring installed in installing in room, the outside of the annular sidewall and installation indoor wall
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 in substantially 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 installed in the top of gear ring；The clutch-plate passes through fixture
Coordinate with fixing hole and be fixed on cap, at clutch-plate opening, structure is stirred by connection in two ends and connecting hole is drawn with clutch respectively
Line connects, and the connection is stirred structure and promotes the outside lateral movement in two ends at clutch-plate opening so that the lateral wall of clutch-plate with
Gear ring is contacted.
Further, the planet carrier is by the second rolling bearing in installation 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 elastic partss connection two semicircular ring clutch-plates.
Further, the semicircular ring clutch-plate is respectively provided with contiguous block on the side wall of end, the semicircular ring
The arcuate groove of cross section semicircular in shape is had on one end rostral wall of clutch-plate, and the other end of semicircular ring clutch-plate has 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 bullet respectively
Spring connects to form clutch-plate.
Further, on the lateral wall of the clutch-plate, friction piece is provided with.
Further, structure is stirred in the connection includes clutch shaft and shifting block, and one end of the clutch shaft is fixed on through hole
In, and connecting hole is passed through, the other end of clutch shaft is connected with shifting block, and 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 invention has the beneficial effects as follows：
1. the present invention is by the first rolling bearing by gear ring in installation room, so that by existing gear ring and installation
The point contact of room becomes face contact, it is ensured that stationarity in transmission process, also reduces gear ring, planetary gear and installs the mill of room
Damage；
2. the present invention uses twin axle clutch-plate, and the left and right sides of twin axle clutch-plate is while pull to both sides so that from
Piece uniform force is closed, and two stress points of clutch-plate are all in the outside of clutch-plate so that the increasing at double of the torsional forces of generation
Plus, clutch-plate both sides are contacted with gear ring simultaneously, and along with gear ring with installation room by being that face contacts, torsional forces also increases so that
Gear ring is while be subject to the frictional force of clutch-plate and the first rolling bearing, frictional force is increased considerably, the susceptiveness of change speed gear box is peaceful
Stability is good, and is further ensured that the abrasion of drive mechanism in change speed gear box is little.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 removes the structural representation of cap for the present invention
Fig. 3 is sectional view of the Fig. 1 along A-A face.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrated to the technical scheme in the present invention.
Referring to the drawings 1,2,3, the present invention includes gear box casing 1 and cap 2, epicyclic transmission mechanism and arrestment mechanism, lid
Centrally disposed transmission axis hole 3, connecting hole and fixing hole 4 on body, arranges in gear box casing 1 and installs room 5 and for installing master
The right angle setting hole 6 of movable gear shaft, right angle setting hole 6 is connected with 5 bottom of room 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 installed in installation 5 center of room, planet tooth
Wheel 9 is installed in planet carrier 8；Gear ring 7 is by the first rolling bearing in installation room 5, and 7 inner side of gear ring and planetary gear
9 engagements, the outside of annular sidewall 10 is fitted with 5 medial wall of room is installed；Sun gear fixes the transmission being connected at one end with clutch
In axle (not shown), and sun gear is engaged with planetary gear 9；
Arrestment mechanism includes clutch-plate 11, and clutch-plate 11 is in substantially 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 installed in the top of gear ring 7；Clutch-plate 11 passes through 12 He of fixture
The cooperation of fixing hole 4 is fixed on cap 2, and fixture 12 can be bolt and screw etc., and at 11 opening of clutch-plate, two ends are by even
Connect and stir structure and connecting hole is connected with clutch bracing wire respectively, the connection stir structure promote two ends at clutch-plate opening to
Movement outside so that the lateral wall of clutch-plate is contacted with gear ring.
The present invention passes through by planet carrier 8 and gear ring 7 in installation room 5, and on gear ring 7 and installation planet carrier 8
Planetary gear 9 engage, planetary gear 9 and be fixed on the power transmission shaft being connected with clutch sun gear engagement, clutch will
It is delivered on sun gear from the power of electromotor, when clutch-plate is not contacted with gear ring；Sun gear transfers power to planet
On gear 9, planetary gear 9 is transferred power on gear ring 7, now, and planet carrier is not rotated, and power cannot be delivered to walking mechanism
In；When clutch bracing wire is pulled, shifting block stirs the two ends at clutch-plate opening and is flared out, and clutch-plate 11 produces torsional forces, make from
Closing piece 11 and generation frictional force being contacted with gear ring 7, gear ring 7 is while be subject to the frictional force of the first rolling bearing and clutch-plate 11 so that
Gear ring is locked by clutch-plate, and now planetary gear 9 transfers power to obtain different gear ratios on planet carrier 8, and planet carrier 8 is again
By active transfer in walking mechanism；So that reaching epicyclic transmission mechanism to carry out the purpose of speed change to tiller.
Planet carrier 8 is by the second rolling bearing 13 installed in installing in room 5, and the second rolling bearing 13 is deep groove ball bearing,
Using deep groove ball bearing by planet carrier 8 installed in 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 flat
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 gear ring 7 and installation room 5 in transmission process and causes great abrasion, and after Shang Quan and lower circle wear and tear, permissible
Change in time, low cost, it is to avoid cause driving error or poor sensitivity.
Clutch-plate 11 is consisted of elastic partss connection two semicircular ring clutch-plates；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 had on wall, the other end of semicircular ring clutch-plate has 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 by the connection of spring 16 respectively
Clutch-plate 11；Spring 16 can be extension spring, so that clutch-plate 11 when pulled, not ensure that 11 shape of clutch-plate
Become close entirety, any loosening will not occur, in clutch-plate 11 when pulled, two semicircular ring clutch-plates only can be in level side
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, and 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 transmission power, it is ensured that the transmission in change speed gear box works well.
Structure is stirred in connection includes 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, between gear ring and clutch-plate, generation frictional force is bigger, can be 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 height of change speed gear box, speed change
Stationarity is more preferable.
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement that is made etc., should be included within the scope of the present invention.
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, centrally disposed transmission axis hole on the lid, connecting hole and fixing hole, arrange in the gear box casing and room and use are installed
In the right angle setting hole for installing driving gear shaft, right angle setting hole is connected with room bottom is installed；
Gear Planet Transmission includes gear ring, planet carrier, planetary gear and sun gear, arranges annular sidewall at the outer rim of the gear ring；Institute
Planet carrier is stated installed in room center is installed, planetary gear is installed in planet carrier；The gear ring passes through the first rolling bearing
In installation room, and engage with planetary gear on the inside of gear ring, 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 outer straight
Footpath is slightly smaller than the interior diameter of annular sidewall, and the clutch-plate is installed in the top of gear ring；The clutch-plate is by fixture and admittedly
Determine hole cooperation to be fixed on cap, at clutch-plate opening, structure is stirred by connection in two ends and connecting hole is connected with clutch bracing wire respectively
Connect, the connection is stirred structure and promotes the outside lateral movement in the two ends at clutch-plate opening 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 by elastic partss connection composition.
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, have the arc of cross section semicircular in shape on one end rostral wall of the semicircular ring clutch-plate
Groove, the other end of semicircular ring clutch-plate has 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：Structure is stirred in the connection includes clutch shaft
And shifting block, one end of the clutch shaft is fixed in through-holes, and passes through connecting hole, and 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 |
|---|---|---|---|
| CN201611040039.1A CN106438876A (en) | 2016-11-22 | 2016-11-22 | Gearbox assembly of mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611040039.1A CN106438876A (en) | 2016-11-22 | 2016-11-22 | Gearbox assembly of mini-tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438876A true CN106438876A (en) | 2017-02-22 |
Family
ID=58221662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611040039.1A Pending CN106438876A (en) | 2016-11-22 | 2016-11-22 | Gearbox assembly of mini-tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438876A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084231A (en) * | 2017-06-09 | 2017-08-22 | 淄博悍铃机械有限公司 | Multifunctional small tiller |
| CN107701668A (en) * | 2017-09-30 | 2018-02-16 | 洛阳卓格哈斯机械有限公司 | A kind of mini-tiller gearbox |
| CN112963507A (en) * | 2021-02-09 | 2021-06-15 | 益阳富佳科技有限公司 | Novel gearbox |
| CN119183714A (en) * | 2024-09-23 | 2024-12-27 | 重庆鑫源农机股份有限公司 | Clutch structure and transmission case of direct-connection mini-tiller |
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| US20110053729A1 (en) * | 2008-04-04 | 2011-03-03 | Scott Parsons | Auto-Selecting Two-Ratio Transmission |
| CN201763904U (en) * | 2010-08-26 | 2011-03-16 | 刘长礼 | Speed changing box of micro cultivator |
| CN203548720U (en) * | 2013-11-14 | 2014-04-16 | 重庆卓格豪斯机械有限公司 | Novel transmission case assembly |
| CN204239524U (en) * | 2014-11-05 | 2015-04-01 | 重庆德昂铸造有限公司 | A kind of leveling style break |
| CN204878555U (en) * | 2015-07-09 | 2015-12-16 | 洛阳卓格哈斯机械有限公司 | Plough machine a little |
| CN105422687A (en) * | 2015-12-14 | 2016-03-23 | 威马农业机械有限公司 | Small mini-tiller speed reduction device |
| CN105532089A (en) * | 2015-12-14 | 2016-05-04 | 威马农业机械有限公司 | Small-size micro tilling machine |
| CN205260676U (en) * | 2015-12-28 | 2016-05-25 | 丁刚 | Hydraulic pressure hub stopper of stopping |
| CN105626721A (en) * | 2014-11-05 | 2016-06-01 | 重庆德昂铸造有限公司 | Novel brake device |
| CN205331275U (en) * | 2015-12-05 | 2016-06-22 | 重庆元创汽车整线集成有限公司 | Two neck shoe brake |
| CN206175580U (en) * | 2016-11-22 | 2017-05-17 | 重庆市柯森汽车配件有限责任公司 | Micro -tiller gearbox assembly |
-
2016
- 2016-11-22 CN CN201611040039.1A patent/CN106438876A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3886292B2 (en) * | 1999-05-14 | 2007-02-28 | 株式会社クボタ | Walking type management machine |
| JP2000320571A (en) * | 1999-05-14 | 2000-11-24 | Kubota Corp | Walking management machine |
| US20110053729A1 (en) * | 2008-04-04 | 2011-03-03 | Scott Parsons | Auto-Selecting Two-Ratio Transmission |
| CN201763904U (en) * | 2010-08-26 | 2011-03-16 | 刘长礼 | Speed changing box of micro cultivator |
| CN203548720U (en) * | 2013-11-14 | 2014-04-16 | 重庆卓格豪斯机械有限公司 | Novel transmission case assembly |
| CN105626721A (en) * | 2014-11-05 | 2016-06-01 | 重庆德昂铸造有限公司 | Novel brake device |
| CN204239524U (en) * | 2014-11-05 | 2015-04-01 | 重庆德昂铸造有限公司 | A kind of leveling style break |
| CN204878555U (en) * | 2015-07-09 | 2015-12-16 | 洛阳卓格哈斯机械有限公司 | Plough machine a little |
| CN205331275U (en) * | 2015-12-05 | 2016-06-22 | 重庆元创汽车整线集成有限公司 | Two neck shoe brake |
| CN105532089A (en) * | 2015-12-14 | 2016-05-04 | 威马农业机械有限公司 | Small-size micro tilling machine |
| CN105422687A (en) * | 2015-12-14 | 2016-03-23 | 威马农业机械有限公司 | Small mini-tiller speed reduction device |
| CN205260676U (en) * | 2015-12-28 | 2016-05-25 | 丁刚 | Hydraulic pressure hub stopper of stopping |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084231A (en) * | 2017-06-09 | 2017-08-22 | 淄博悍铃机械有限公司 | Multifunctional small tiller |
| CN107701668A (en) * | 2017-09-30 | 2018-02-16 | 洛阳卓格哈斯机械有限公司 | A kind of mini-tiller gearbox |
| CN107701668B (en) * | 2017-09-30 | 2024-03-15 | 洛阳卓格哈斯机械有限公司 | Gearbox for mini-tiller |
| CN112963507A (en) * | 2021-02-09 | 2021-06-15 | 益阳富佳科技有限公司 | Novel gearbox |
| CN119183714A (en) * | 2024-09-23 | 2024-12-27 | 重庆鑫源农机股份有限公司 | Clutch structure and transmission case of direct-connection mini-tiller |
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Application publication date: 20170222 |