CN105351457B - High-low speed reverse gear shifting mechanism of mini-tiller - Google Patents

High-low speed reverse gear shifting mechanism of mini-tiller Download PDF

Info

Publication number
CN105351457B
CN105351457B CN201510931424.4A CN201510931424A CN105351457B CN 105351457 B CN105351457 B CN 105351457B CN 201510931424 A CN201510931424 A CN 201510931424A CN 105351457 B CN105351457 B CN 105351457B
Authority
CN
China
Prior art keywords
gear
shaft
main shaft
main
shifting fork
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.)
Active
Application number
CN201510931424.4A
Other languages
Chinese (zh)
Other versions
CN105351457A (en
Inventor
严华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WEIMA AGRICULTURAL MACHINERY Co.,Ltd.
Original Assignee
Weima Agricultural Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Weima Agricultural Machinery Co ltd filed Critical Weima Agricultural Machinery Co ltd
Priority to CN201510931424.4A priority Critical patent/CN105351457B/en
Publication of CN105351457A publication Critical patent/CN105351457A/en
Application granted granted Critical
Publication of CN105351457B publication Critical patent/CN105351457B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/20Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
    • F16H3/22Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
    • F16H3/30Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
    • F16H3/32Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B71/00Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes
    • A01B71/06Special adaptations of coupling means between power take-off and transmission shaft to the implement or machine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H63/32Gear shift yokes, e.g. shift forks

Abstract

The invention discloses a high-low speed reverse gear shifting mechanism of a mini-tiller, which comprises a main shaft and an auxiliary shaft which are arranged in parallel, wherein the main shaft comprises a first main shaft and a second main shaft which are arranged on the same straight line, an input gear is sleeved on the first main shaft, a first main gear is fixedly sleeved on the second main shaft, a main shaft duplicate gear is sleeved on the second main shaft, the auxiliary shaft comprises a first auxiliary shaft and a second auxiliary shaft, the first auxiliary shaft, the second auxiliary shaft and the main shaft are parallel, the auxiliary shaft duplicate gear is movably sleeved on the first auxiliary shaft, a first driven gear is fixedly sleeved on the first auxiliary shaft, a reverse gear is movably sleeved on the second auxiliary shaft, the first shifting fork mechanism is used for controlling the sliding of the input gear to realize the conversion of high-low input speed, the second shifting fork mechanism is used for controlling the sliding of the main shaft duplicate gear and the third shifting fork mechanism is used for controlling. Structure more than adopting, novel structure provides the reverse gear of two kinds of different speeds and keeps off the position, realizes increasing the fender position of one time, satisfies the actual needs of production.

Description

High-low speed reverse gear shifting mechanism of mini-tiller
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a high-low speed reverse gear shifting mechanism of a mini-tiller.
Background
The mini-tiller uses a small diesel engine or a gasoline engine as power and has the characteristics of light weight, small volume, simple structure and the like. The micro-tillage machine is widely applicable to dry lands, paddy fields, orchards and the like in plains, mountainous areas and hills. The tractor can pump water, generate electricity, spray pesticide, spray and other operations when matched with corresponding machines, can also pull the trailer to carry out short-distance transportation, can freely run in the field by the mini-tiller, is convenient for users to use and store, saves the trouble that large agricultural machinery can not enter mountain fields, and is the best choice for vast farmers to replace cattle farming.
An engine and a gearbox of a traditional mini-tiller are directly connected through a flange plate, power is directly transmitted into the gearbox through a main shaft, the gearbox and a walking box are integrated, and the main shaft, an auxiliary shaft, a reverse gear shaft and three shafts are arranged in the gearbox. The quick gear, the slow gear and the reverse gear can be realized by shifting the positions of the duplex straight gears on the main shaft and the reverse gear shaft, the gears are few, so that the forward and reverse speeds of the mini-tiller are relatively single, only one reverse gear is needed, the practical cultivation has great limitation, and the practical production requirement cannot be met. It is urgent to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-low speed reverse gear shifting mechanism of a mini-tiller, which is novel in structure and ingenious in design.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a plough quick-witted high-low speed gearshift that reverses gear a little, its main points lie in: the double-gear transmission device comprises a main shaft and an auxiliary shaft, wherein the main shaft comprises a first main shaft (1) and a second main shaft (2) which are arranged on the same straight line, any end of the first main shaft (1) is movably connected with any end of the second main shaft (2), an input gear (5) is sleeved on the first main shaft (1), the input gear (5) can slide along the axial direction of the first main shaft (1), a first main gear (6) is fixedly sleeved at one end, close to the first main shaft (1), of the second main shaft (2), a second main gear (7a) and a third main gear (7b) are sleeved on the second main shaft (2), the second main gear (7a) is positioned between the first main gear (6) and the third main gear (7b), the second main gear (7a) and the third main gear (7b) are fixedly connected to form a main shaft duplicate gear (7), the main shaft duplicate gear (7) can axially slide along the second main shaft (2), a first clutch tooth (10) is arranged on the input gear (5), and a second clutch tooth (11) is arranged on the first main gear (6); the auxiliary shafts comprise a first auxiliary shaft (3) and a second auxiliary shaft (4), the first auxiliary shaft (3), the second auxiliary shaft (4) and the main shaft are parallel to each other, a first auxiliary gear (8a) and a second auxiliary gear (8b) are movably sleeved on the first auxiliary shaft (3), the first auxiliary gear (8a) and the second auxiliary gear (8b) are fixedly connected to form an auxiliary shaft duplicate gear (8), a first driven gear (9) is fixedly sleeved on the first auxiliary shaft (3), a first bevel gear (12) is arranged at any end of the first auxiliary shaft (3), and a reverse gear (16) is movably sleeved on the second auxiliary shaft (4); the second counter gear (8b) meshes with the first main gear (6), the input gear (5) meshes with the first counter gear (8a) or the first clutch tooth (10) meshes with the second clutch tooth (11) when sliding axially along the first main shaft (1), the reverse gear (16) slides axially along the second counter shaft (4) when the main shaft duplicate gear (7) is positioned between the counter shaft duplicate gear (8) and the first driven gear (9) when sliding axially along the second main shaft (2), the reverse gear (16) meshes with the third main gear (7b) and the first driven gear (9) simultaneously; a first shifting fork mechanism (18) is arranged on the input gear (5), the first shifting fork mechanism (18) comprises a first shifting fork mounting shaft (18b), a first shifting fork sheet (18a) is mounted at any end of the first shifting fork mounting shaft (18b), a first shifting fork groove is formed in the input gear (5), the first shifting fork sheet (18a) extends into the first shifting fork groove to push the input gear (5) to slide along the first spindle (1), a first rocker arm mounting shaft (18c) is connected to the other end of the first shifting fork mounting shaft (18b), and a first rocker arm (18d) is connected to the first rocker arm mounting shaft (18 c); a second shifting fork mechanism (19) is arranged on the main shaft duplicate gear (7), the second shifting fork mechanism (19) comprises a second shifting fork mounting shaft (19b), a second shifting fork piece (19a) is mounted at any end of the second shifting fork mounting shaft (19b), the second shifting fork piece (19a) extends into a position between the second main gear (7a) and the third main gear (7b) to push the main shaft duplicate gear (7) to slide along the second main shaft (2), a reset rocker mounting shaft (19c) is connected to the second shifting fork mounting shaft (19b), and the reset rocker mounting shaft (19c) is connected with a reset torsion spring rocker (19 d); be equipped with third shift fork mechanism (20) on reverse gear (16), this third shift fork mechanism (20) includes third shift fork installation axle (20b), installs third shift fork piece (20a) at any one end of this third shift fork installation axle (20b) the cover is equipped with reverse gear wheel reset pressure spring on second countershaft (4), this reverse gear wheel reset pressure spring with third shift fork piece (20a) are located respectively reverse gear wheel (16) both sides, third shift fork piece (20a) promote reverse gear wheel (16) to the slip of reverse gear wheel reset pressure spring direction, reverse gear wheel reset pressure spring is reverse to promote reverse gear wheel (16) and resets the other end of third shift fork (20b) is connected with reverse gear rocking arm installation axle (20c), and this reverse gear rocking arm installation axle (20c) is connected with reverse gear rocking arm (20 d).
Structure more than adopting, novel structure, design benefit, through the slip of first fork mechanism (18) control input gear (5), realize first main shaft (1) to the different speed transmission of high-low speed of second main shaft (2), slip with third fork mechanism (2) control reverse gear (16) through the slip of second fork mechanism (19) control main shaft duplicate gear (7), accomplish the output of reversing, the reverse gear who provides two kinds of different output speed altogether keeps off the position, thereby realize increasing the reverse gear position of one time, be applicable to various farming production conditions and environment, satisfy the actual needs of production.
Preferably, the method comprises the following steps: an inner cavity (13) is formed in one end, close to the second main shaft (2), of the first main shaft (1), one end, close to the first main shaft (1), of the second main shaft (2) extends into the inner cavity (13), and the extending end of the second main shaft (2) is connected with the cavity wall of the inner cavity (13) through a first needle bearing (14). By adopting the structure, the contact surface is changed from rolling friction into sliding friction, and the abrasion speed of parts is effectively reduced.
Preferably, the method comprises the following steps: the countershaft double gear (8) and the first countershaft (3) are connected by a second needle bearing (14). By adopting the structure, the contact surface is changed from rolling friction into sliding friction, and the abrasion speed of parts is effectively reduced.
Preferably, the method comprises the following steps: the input gear (5) and the first main shaft (1) are connected through a spline. By adopting the structure, the structure is simple and reliable, and the input gear (5) can axially slide along the first main shaft (1).
Preferably, the method comprises the following steps: a reverse gear mounting seat (17) is fixedly sleeved on the second auxiliary shaft (4), and the reverse gear (16) is movably sleeved on the reverse gear mounting seat (17). By adopting the structure, the reverse gear (16) is not directly acted when sliding, the stability of the structure is improved, and the service life is prolonged.
Has the advantages that: the high-low speed reverse gear shifting mechanism of the mini-tiller adopting the technical scheme has a novel structure, two reverse gears with different speeds are provided, so that the doubled gears are realized, the mini-tiller is suitable for various farming production conditions and environments, and the actual production needs are met.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of fig. 1.
Detailed Description
The invention is further illustrated by the following examples and figures.
As shown in fig. 1-2, a high-low speed reverse gear shifting mechanism of a mini-tiller comprises a main shaft and a secondary shaft, wherein the main shaft comprises a first main shaft 1 and a second main shaft 2 which are arranged on the same straight line, any end of the first main shaft 1 is movably connected with any end of the second main shaft 2, namely, an inner cavity 13 is arranged at one end of the first main shaft 1 close to the second main shaft 2, one end of the second main shaft 2 close to the first main shaft 1 extends into the inner cavity 13, the extending end of the second main shaft 2 is connected with the cavity wall of the inner cavity 13 through a first needle bearing 14, an input gear 5 is sleeved on the first main shaft 1, the input gear 5 is connected with the first main shaft 1 through a spline, so that the input gear 5 can slide along the axial direction of the first main shaft 1, a first main gear 6 is fixedly sleeved at one end of the second main shaft 2 close to the first main shaft 1, a second main gear 7a and a third main gear 7b are sleeved on the second main shaft 2, wherein the second main gear 7a is positioned between the first main gear 6 and the third main gear 7b, the second main gear 7a and the third main gear 7b are fixedly connected to form a main shaft duplicate gear 7, the main shaft duplicate gear 7 can axially slide along the second main shaft 2, a first clutch tooth 10 is arranged on the input gear 5, and a second clutch tooth 11 is arranged on the first main gear 6; the auxiliary shafts comprise a first auxiliary shaft 3 and a second auxiliary shaft 4, the first auxiliary shaft 3, the second auxiliary shaft 4 and the main shaft are parallel to each other, a first auxiliary gear 8a and a second auxiliary gear 8b are movably sleeved on the first auxiliary shaft 3, the first auxiliary gear 8a and the second auxiliary gear 8b are fixedly connected to form an auxiliary shaft duplicate gear 8, namely the auxiliary shaft duplicate gear 8 and the first auxiliary shaft 3 are connected through a second needle bearing 14, a first driven gear 9 is fixedly sleeved on the first auxiliary shaft 3, a first bevel gear 12 is arranged at either end of the first auxiliary shaft 3, a reverse gear 16 is movably sleeved on the second auxiliary shaft 4, namely a reverse gear mounting seat 17 is fixedly sleeved on the second auxiliary shaft 4, and the reverse gear 16 is movably sleeved on the reverse gear mounting seat 17; the second counter gear 8b is engaged with the first main gear 6, when the input gear 5 slides axially along the first main shaft 1, the input gear 5 is engaged with the first counter gear 8a, or the first clutch tooth 10 is engaged with the second clutch tooth 11, when the main shaft duplicate gear 7 slides axially along the second main shaft 2, when the main shaft duplicate gear 7 is located between the counter shaft duplicate gear 8 and the first driven gear 9, the reverse gear 16 slides axially along the second sub-shaft 4, and the reverse gear 16 is simultaneously engaged with the third main gear 7b and the first driven gear 9.
As shown in fig. 1, a first fork mechanism 18 is disposed on the input gear 5, the first fork mechanism 18 includes a first fork mounting shaft 18b, a first fork piece 18a is mounted at any end of the first fork mounting shaft 18b, a first fork groove is disposed on the input gear 5, the first fork piece 18a extends into the first fork groove to push the input gear 5 to slide along the first spindle 1, a first rocker arm mounting shaft 18c is connected to the other end of the first fork mounting shaft 18b, and a first rocker arm 18d is connected to the first rocker arm mounting shaft 18 c.
As shown in fig. 1, a second fork mechanism 19 is disposed on the main shaft duplicate gear 7, the second fork mechanism 19 includes a second fork mounting shaft 19b, a second fork piece 19a is mounted at any end of the second fork mounting shaft 19b, the second fork piece 19a extends between the second main gear 7a and the third main gear 7b to push the main shaft duplicate gear 7 to slide along the second main shaft 2, a reset rocker mounting shaft 19c is connected to the second fork mounting shaft 19b, and a reset torsion spring rocker 19d is connected to the reset rocker mounting shaft 19 c.
As shown in fig. 1, a third shift fork mechanism 20 is disposed on the reverse gear 16, the third shift fork mechanism 20 includes a third shift fork mounting shaft 20b, a third shift fork 20a is mounted at any end of the third shift fork mounting shaft 20b, a reverse gear return compression spring is sleeved on the second auxiliary shaft 4, the reverse gear return compression spring and the third shift fork 20a are respectively located at two sides of the reverse gear 16, the third shift fork 20a pushes the reverse gear 16 to slide toward the reverse gear return compression spring, the reverse gear return compression spring reversely pushes the reverse gear 16 to return, the other end of the third shift fork mounting shaft 20b is connected with a reverse gear mounting shaft 20c, and the reverse gear mounting shaft 20c is connected with a reverse gear rocker arm 20 d.
When the low-speed reverse gear is performed, the first shifting fork mechanism 18 controls the input gear 5 to axially slide, so that the input gear 5 is meshed with the first auxiliary gear 8a, the first main shaft 1 drives the input gear 5 to rotate, the input gear 5 drives the auxiliary shaft duplicate gear 8 to rotate, the auxiliary shaft duplicate gear 8 drives the first main gear 6 to rotate, the first main gear 6 drives the second main shaft 2 to rotate, the second main shaft 2 drives the main shaft duplicate gear 7 to rotate, the second shifting fork mechanism 19 drives the main shaft duplicate gear 7 to axially slide, so that the main shaft duplicate gear 7 is positioned between the auxiliary shaft duplicate gear 8 and the first driven gear 9, then the third shifting fork mechanism 20 controls the reverse gear mounting seat 17 to slide along the second auxiliary shaft 4, so that the reverse gear 16 movably sleeved on the reverse gear mounting seat 17 is simultaneously meshed with the third main gear 7b and the first driven gear 9, and at the moment, the third main gear 7b drives the reverse gear 16 to rotate, the reverse gear 16 drives the first driven gear 9 to rotate, the first driven gear 9 drives the first countershaft 3 to rotate, and the first countershaft 3 drives the first bevel gear 12 to rotate.
When high-speed reverse gear is carried out, the first shifting fork mechanism 18 controls the input gear 5 to axially slide, so that the input gear 5 is separated from the first auxiliary gear 8a, the first clutch tooth 10 is meshed with the second clutch tooth 11, the first main shaft 1 drives the second main shaft 2 to rotate, the first main gear 6 drives the auxiliary shaft duplicate gear 8 to idle, the second main shaft 2 drives the main shaft duplicate gear 7 to rotate, the second shifting fork mechanism 19 drives the main shaft duplicate gear 7 to axially slide, so that the main shaft duplicate gear 7 is positioned between the auxiliary shaft duplicate gear 8 and the first driven gear 9, then the third shifting fork mechanism 20 controls the reverse gear mounting seat 17 to slide along the second auxiliary shaft 4, so that the reverse gear 16 movably sleeved on the reverse gear mounting seat 17 is simultaneously meshed with the third main gear 7b and the first driven gear 9, at the moment, the third main gear 7b drives the reverse gear 16 to rotate, the reverse gear 16 drives the first driven gear 9 to rotate, the first driven gear 9 drives the first countershaft 3 to rotate, and the first countershaft 3 drives the first bevel gear 12 to rotate.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims (3)

1. The utility model provides a plough quick-witted high-low speed gearshift that reverses gear a little, its characterized in that: the double-gear transmission device comprises a main shaft and an auxiliary shaft, wherein the main shaft comprises a first main shaft (1) and a second main shaft (2) which are arranged on the same straight line, any end of the first main shaft (1) is movably connected with any end of the second main shaft (2), an input gear (5) is sleeved on the first main shaft (1), the input gear (5) can slide along the axial direction of the first main shaft (1), a first main gear (6) is fixedly sleeved at one end, close to the first main shaft (1), of the second main shaft (2), a second main gear (7a) and a third main gear (7b) are sleeved on the second main shaft (2), the second main gear (7a) is positioned between the first main gear (6) and the third main gear (7b), the second main gear (7a) and the third main gear (7b) are fixedly connected to form a main shaft duplicate gear (7), the main shaft duplicate gear (7) can axially slide along the second main shaft (2), a first clutch tooth (10) is arranged on the input gear (5), and a second clutch tooth (11) is arranged on the first main gear (6);
the auxiliary shafts comprise a first auxiliary shaft (3) and a second auxiliary shaft (4), the first auxiliary shaft (3), the second auxiliary shaft (4) and the main shaft are parallel to each other, a first auxiliary gear (8a) and a second auxiliary gear (8b) are movably sleeved on the first auxiliary shaft (3), the first auxiliary gear (8a) and the second auxiliary gear (8b) are fixedly connected to form an auxiliary shaft duplicate gear (8), a first driven gear (9) is fixedly sleeved on the first auxiliary shaft (3), a first bevel gear (12) is arranged at any end of the first auxiliary shaft (3), and a reverse gear (16) is movably sleeved on the second auxiliary shaft (4);
the second counter gear (8b) meshes with the first main gear (6), the input gear (5) meshes with the first counter gear (8a) or the first clutch tooth (10) meshes with the second clutch tooth (11) when sliding axially along the first main shaft (1), the reverse gear (16) slides axially along the second counter shaft (4) when the main shaft duplicate gear (7) is positioned between the counter shaft duplicate gear (8) and the first driven gear (9) when sliding axially along the second main shaft (2), the reverse gear (16) meshes with the third main gear (7b) and the first driven gear (9) simultaneously;
a first shifting fork mechanism (18) is arranged on the input gear (5), the first shifting fork mechanism (18) comprises a first shifting fork mounting shaft (18b), a first shifting fork sheet (18a) is mounted at any end of the first shifting fork mounting shaft (18b), a first shifting fork groove is formed in the input gear (5), the first shifting fork sheet (18a) extends into the first shifting fork groove to push the input gear (5) to slide along the first spindle (1), a first rocker arm mounting shaft (18c) is connected to the other end of the first shifting fork mounting shaft (18b), and a first rocker arm (18d) is connected to the first rocker arm mounting shaft (18 c);
a second shifting fork mechanism (19) is arranged on the main shaft duplicate gear (7), the second shifting fork mechanism (19) comprises a second shifting fork mounting shaft (19b), a second shifting fork piece (19a) is mounted at any end of the second shifting fork mounting shaft (19b), the second shifting fork piece (19a) extends into a position between the second main gear (7a) and the third main gear (7b) to push the main shaft duplicate gear (7) to slide along the second main shaft (2), a reset rocker mounting shaft (19c) is connected to the second shifting fork mounting shaft (19b), and the reset rocker mounting shaft (19c) is connected with a reset torsion spring rocker (19 d);
a third shifting fork mechanism (20) is arranged on the reverse gear (16), the third shifting fork mechanism (20) comprises a third shifting fork installation shaft (20b), a third shifting fork sheet (20a) is installed at any end of the third shifting fork installation shaft (20b), a reverse gear reset pressure spring is sleeved on the second auxiliary shaft (4), the reverse gear reset pressure spring and the third shifting fork sheet (20a) are respectively positioned at two sides of the reverse gear (16), the third shifting fork sheet (20a) pushes the reverse gear (16) to slide towards the direction of the reverse gear reset pressure spring, the reverse gear reset pressure spring reversely pushes the reverse gear (16) to reset, a reverse gear rocker arm installation shaft (20c) is connected to the other end of the third shifting fork (20b), and the reverse gear rocker arm installation shaft (20c) is connected with a reverse gear rocker arm (20 d);
the input gear (5) and the first main shaft (1) are connected through a spline.
2. The micro-cultivator high-low speed reverse gear shifting mechanism as claimed in claim 1, wherein: an inner cavity (13) is formed in one end, close to the second main shaft (2), of the first main shaft (1), one end, close to the first main shaft (1), of the second main shaft (2) extends into the inner cavity (13), and the extending end of the second main shaft (2) is connected with the cavity wall of the inner cavity (13) through a first needle bearing (14).
3. The micro-cultivator high-low speed reverse gear shifting mechanism as claimed in claim 1 or 2, wherein: a reverse gear mounting seat (17) is fixedly sleeved on the second auxiliary shaft (4), and the reverse gear (16) is movably sleeved on the reverse gear mounting seat (17).
CN201510931424.4A 2015-12-12 2015-12-12 High-low speed reverse gear shifting mechanism of mini-tiller Active CN105351457B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510931424.4A CN105351457B (en) 2015-12-12 2015-12-12 High-low speed reverse gear shifting mechanism of mini-tiller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510931424.4A CN105351457B (en) 2015-12-12 2015-12-12 High-low speed reverse gear shifting mechanism of mini-tiller

Publications (2)

Publication Number Publication Date
CN105351457A CN105351457A (en) 2016-02-24
CN105351457B true CN105351457B (en) 2020-06-26

Family

ID=55327493

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510931424.4A Active CN105351457B (en) 2015-12-12 2015-12-12 High-low speed reverse gear shifting mechanism of mini-tiller

Country Status (1)

Country Link
CN (1) CN105351457B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114087326B (en) * 2021-11-26 2024-03-01 重庆卓格豪斯机械有限公司 Multifunctional mini-tiller

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202955187U (en) * 2012-12-05 2013-05-29 重庆华田浩犁机械有限责任公司 Three-gear transmission case for mini-tiller
CN103291853A (en) * 2013-06-28 2013-09-11 重庆威马农业机械有限公司 Power structure of engine gearbox body
CN103291856A (en) * 2013-06-13 2013-09-11 广西宜州玉柴农业装备有限公司 Transmission device matched with mini tiller
CN102628494B (en) * 2012-04-16 2014-07-09 何嘉俊 Mini tiller transmission case with double-clutch structure
CN205534051U (en) * 2015-12-12 2016-08-31 威马农业机械有限公司 High low -speed gearshift that reverses gear

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102628494B (en) * 2012-04-16 2014-07-09 何嘉俊 Mini tiller transmission case with double-clutch structure
CN202955187U (en) * 2012-12-05 2013-05-29 重庆华田浩犁机械有限责任公司 Three-gear transmission case for mini-tiller
CN103291856A (en) * 2013-06-13 2013-09-11 广西宜州玉柴农业装备有限公司 Transmission device matched with mini tiller
CN103291853A (en) * 2013-06-28 2013-09-11 重庆威马农业机械有限公司 Power structure of engine gearbox body
CN205534051U (en) * 2015-12-12 2016-08-31 威马农业机械有限公司 High low -speed gearshift that reverses gear

Also Published As

Publication number Publication date
CN105351457A (en) 2016-02-24

Similar Documents

Publication Publication Date Title
CN105570395A (en) Mini-tiller transmission gear shifting mechanism
CN105351456A (en) Mini-tiller high-low-speed gearshift
CN105351457B (en) High-low speed reverse gear shifting mechanism of mini-tiller
CN203257995U (en) Small-sized rotary cultivator speed changer with double power output shafts
CN105340404B (en) Two-gear reverse gear shifting structure of mini-tiller
CN205446579U (en) Go forward and keep off gear shifting mechanism
CN205371480U (en) High low -speed gearshift
CN211009760U (en) Special gearbox for mini-tiller
CN105351458A (en) Speed change mechanism of micro tillage machine
CN103244614B (en) The small-size rotary tiller speed changer of double dynamical output shaft
CN201982622U (en) Tractor transmission case
CN205534051U (en) High low -speed gearshift that reverses gear
CN205371481U (en) Gear box transmission structure
CN205534052U (en) Speed changing apparatus
CN104455302A (en) Agricultural machine gearbox internally provided with hydraulic wet clutches
CN205534176U (en) Gearbox gearshift
CN105402333A (en) Mini-tiller transmission mechanism
CN203847637U (en) Gearbox provided with clutch and used for agricultural vehicle
CN105340385A (en) Speed-variable transmission structure of mini-tiller
CN105333128A (en) Four-forward-speed gear shifting structure for mini-tiller
CN105422750A (en) Gear-reversing and gear-shifting mechanism for mini tiller
CN105409356A (en) High-low-speed forward gear transmission structure of mini tiller
CN205371482U (en) Driving mechanism
CN216045257U (en) Small six-gear belt built-in double differential speed box
CN105387181A (en) High-and-low-speed transmission mechanism input shaft of mini tiller

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 402283 Chongqing city Jiangjin Luohuang Industrial Park B District

Patentee after: WEIMA AGRICULTURAL MACHINERY Co.,Ltd.

Address before: 402283 Chongqing city Jiangjin Luohuang Industrial Park B District

Patentee before: WEIMA AGRICULTURAL MACHINERY Co.,Ltd.