CN203548734U - Three-speed reverse gear integrated box and auxiliary transmission assembly - Google Patents

Three-speed reverse gear integrated box and auxiliary transmission assembly Download PDF

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Publication number
CN203548734U
CN203548734U CN201320750152.4U CN201320750152U CN203548734U CN 203548734 U CN203548734 U CN 203548734U CN 201320750152 U CN201320750152 U CN 201320750152U CN 203548734 U CN203548734 U CN 203548734U
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CN
China
Prior art keywords
gear
reverse
reverse gear
shaft
casing
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Expired - Fee Related
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CN201320750152.4U
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Chinese (zh)
Inventor
高翔
杨驰
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CHONGQING CHUANYU JINGGONG MECHANICAL ACCESSORIES DEVELOPMENT Co Ltd
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CHONGQING CHUANYU JINGGONG MECHANICAL ACCESSORIES DEVELOPMENT Co Ltd
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Priority to CN201320750152.4U priority Critical patent/CN203548734U/en
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Publication of CN203548734U publication Critical patent/CN203548734U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a three-speed reverse gear integrated box and auxiliary transmission assembly. A reverse gear driving gear is constantly meshed with a reverse gear and a forward gear; a clutch gear between the reverse gear and the forward gear can slide in the axial direction; the left portion of an output shaft is sleeved with a first synchronizing clutch, a secondary driven gear and an accelerating driven gear; the first synchronizing clutch can slide in the axial direction and is selectively combined with a transmission shaft gear or the secondary driven gear; the transmission shaft gear is constantly meshed with a primary driven gear, and a middle shaft gear is constantly meshed with the secondary driven gear; an accelerating driving gear is constantly meshed with the accelerating driven gear, a second synchronizing clutch can slide in the axial direction and is selectively combined with the accelerating driving gear or disengaged from the accelerating driving gear. The three-speed reverse gear integrated box and auxiliary transmission assembly has the same gear position requirements as two traditional assembled assemblies, and is simple and compact in structure; the reverse gear portion and speed change portion are directly connected, and therefore the defects that a traditional assembly is complex in structure, large in size, excessive in component and the like can be well overcome.

Description

Three fast reverse gear unitary box auxiliary transmission assemblies
Technical field
The utility model belongs to motorcycle gear box field, specifically, relates in particular to a kind of three fast reverse gear unitary box auxiliary transmission assemblies for three-wheel or four-wheel motor cycle.
Background technique
At present, reverse gear box assembly on three-wheel or four-wheel motor cycle and transmission assembly are two independent assemblies, and the output shaft of reverse gear box assembly by connect the parts such as dish, transmission shaft by transmission of power the input end to transmission assembly, after the speed change of transmission assembly, export, so as to order about that motorcycle is moveed backward, advanced, constant speed, reinforcing or accelerate.
The shortcoming of existing structure is: because reverse gear box assembly and transmission assembly are two independent assemblies, these two assemblies are connected by connecing the parts such as dish, transmission shaft, so just cause complex structure, too fat to move, parts are various, not only manufacture cost is high, and assembling difficulty is high, and be unfavorable for production management, be badly in need of solving above-mentioned technical barrier for this reason.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of three fast reverse gear unitary box auxiliary transmission assemblies of compact structure.
The technical solution of the utility model is as follows: a kind of three fast reverse gear unitary box auxiliary transmission assemblies, it is characterized in that: comprise upper box (1), reverse driving gear (4), shaft gear (11) and accelerate driving gear (20), wherein after upper box (1) and lower box (2) mould assembling, be formed for holding the receiving cavity of gear, and the right side of reverse gear casing (3) and upper and lower casing (1,2) left side mould assembling; Described reverse driving gear (4) is angular wheel, this reverse driving gear is solidly set on input shaft (5), and by bearing, be contained in the mounting hole on reverse gear casing (3) simultaneously, and reverse driving gear (4) often engages with reverse gear (6) and forward gears gear (7) simultaneously, these two coaxial empty sets of gear are on a transmission shaft (8), the left end of this transmission shaft is upper at described reverse gear casing (3) by bearings, and the right part of transmission shaft (8) by bearings the left end in described upper and lower casing (1,2); Between described reverse gear (6) and forward gears gear (7), be provided with a clutch gear (9), this clutch gear simultaneously by spline package on described transmission shaft (8), and clutch gear (9) can slippage vertically under the stirring of reverse gear piece (10), and selectively with reverse gear (6) or forward gears gear (7) combination;
Described shaft gear (11) is arranged in the receiving cavity forming after upper and lower casing (1,2) mould assembling, the right-hand member of the left part of this shaft gear and described transmission shaft (8) is coaxially fixing, output shaft (12) left end by bearings in the gear ring of shaft gear (11) right part, and output shaft (12) right part by bearings on the mould assembling face of described upper and lower casing (1,2), and the output terminal of output shaft (12) right-hand member reach outside; Described output shaft (12) left part from left to right successively coaxial sleeve the first timing clutch (13), secondary driven gear (14) are housed and accelerate driven gear (15), wherein the first timing clutch (13) is connected by spline with output shaft (12), and secondary driven gear (14) is connected with output shaft (12) by bearing, and described acceleration driven gear (15) is fixedly connected with output shaft (12); Described the first timing clutch (13) can slippage vertically under the stirring of the first shift fork (16), and is combined with the gear ring of described shaft gear (11) right part or the gear ring of secondary driven gear (14) left part selectively;
Described shaft gear (11) often engages with the one-level driven gear (18) that jack shaft (17) left part overlaps admittedly, the left and right end of this jack shaft is respectively by bearings on the mould assembling face on described upper and lower casing (1,2), and jack shaft middle part is coaxially fixed with a countershaft-gear (19), and this countershaft-gear often engages with the cylin-drical tooth of described secondary driven gear (14) right part; Described acceleration driving gear (20) is upper at jack shaft (17) by bearing empty set, and the cylin-drical tooth of this acceleration driving gear left part often engages with described acceleration driven gear (15); The jack shaft (17) on described acceleration driving gear (20) right side is above equipped with the second timing clutch (21) by spline housing, this second timing clutch can slippage vertically under the stirring of the second shift fork (22), and be selectively combined or throw off with the gear ring of described acceleration driving gear (20) right part.
Adopt above scheme, when described clutch gear (9) and reverse gear (6) in conjunction with time, this assembly, in reverse gear state, is equipped with the motorcycle of this assembly in reversing state; When described clutch gear (9) and forward gears gear (7) in conjunction with time, this assembly, in forward gears state, is equipped with the motorcycle of this assembly in forward travel state.In addition, when described the first timing clutch (13) and the second timing clutch (21) are during all in neutral state, the first timing clutch (13) is not all combined with the gear ring of described shaft gear (11) right part and the gear ring of secondary driven gear (14) left part, and described the second timing clutch (21) is thrown off with the gear ring that accelerates driving gear (20) right part, at this moment this assembly is in neutral state, and now described output shaft (12) does not turn.
When described the first timing clutch (13) is when the gear ring of shaft gear (11) right part is combined, now the second timing clutch (21) is inevitable in neutral state, the second timing clutch (21) is thrown off with the gear ring that accelerates driving gear (20) right part, at this moment power is delivered on the first timing clutch (13) by transmission shaft (8) and shaft gear (11), by the first timing clutch (13), be directly delivered on described output shaft (12) again, thereby realize power output, this state is constant speed state.
When described the first timing clutch (13) is when the gear ring of secondary driven gear (14) left part is combined, now the second timing clutch (21) is inevitable in neutral state, the second timing clutch (21) is thrown off with the gear ring that accelerates driving gear (20) right part, at this moment power is delivered to one-level driven gear (18) by transmission shaft (8) and shaft gear (11) and locates, power drives one-level driven gear (18) rotation by described jack shaft (17), thereby drive described secondary driven gear (14) to rotate by the one-level driven gear (18) of rotation, thereby drive described output shaft (12) to slowly run by secondary driven gear (14) and the first timing clutch (13), thereby realize power output, this state is Afterburning condition, this Afterburning condition adopts when motorcycle heavy load.
When described the second timing clutch (21) is when the gear ring that accelerates driving gear (20) right part is combined, described the first timing clutch (13) is inevitable in neutral state, the first timing clutch (13) is all thrown off with the gear ring of described shaft gear (11) right part and the gear ring of secondary driven gear (14) left part, at this moment power is delivered to one-level driven gear (18) by transmission shaft (8) and shaft gear (11) and locates, power is driven and is accelerated driving gear (20) rotation by described jack shaft (17) and the second timing clutch (21), the acceleration driving gear (20) rotating drives described acceleration driven gear (15) to rotate, and then drive described output shaft (12) high speed rotating, thereby realize power output, this state is acceleration mode, this acceleration mode adopts when motorcycle underloading.
In sum, the utlity model has tradition two general assemblies after identical gear requirement, and this assembly is simple in structure, compact, reverse gear part is directly connected with variable part, has so just overcome the defects such as conventional construction complexity, too fat to move, parts are various well, not only effectively reduces manufacture cost, and significantly reduced assembling difficulty, and be convenient in production management, there is good technology and economic value, be suitable for extensively promoting the use.
As optimal design, described shaft gear (11) is axle toothing with transmission shaft (8), and described countershaft-gear (19) is also axle toothing with jack shaft (17).
Adopt axle toothing, like this can be convenient for assembly well, thus reduce assembling difficulty and production management, thus optimize performance of the present utility model.
In this case, the left side of described reverse gear (6) person's of being positioned at forward gears gear (7), and described countershaft-gear (19) is positioned at the left side of accelerating driving gear (20).
As preferably, the bottom of described reverse gear piece (10) is card base, and this card base snaps in the circular groove on described clutch gear (9) periphery, and the leading flank of reverse gear piece (10) bottom is provided with a projection (10a); Described reverse gear piece (10) simultaneously empty set is upper at the annular boss (24a) at reverse gear cover (24) rear portion, and described projection (10a) snaps in the reverse gear groove (24b) of reverse gear cover (24) lower end;
Described reverse gear cover (24) by spline package on reverse gear shaft (25), this reverse gear shaft is positioned at described transmission shaft (8) top, and the end, front and back of reverse gear shaft (25) all by bearings on described reverse gear casing (3), and the front end of reverse gear shaft (25) reaches outside this reverse gear casing, and be installed with reverse gear pedal (26) at this external part;
The right of described reverse gear piece (10) and reverse gear cover (24) is provided with a reverse gear locating stud (27), two positioning convex of this reverse gear locating stud left end snap in respectively in reverse gear piece (10) and the upper corresponding locating slot of reverse gear cover (24), and the locating slot on reverse gear piece (10) and reverse gear cover (24) exists differential seat angle; Described reverse gear locating stud (27) and spring (28), plug (29) are contained in the horizontal mounting hole on reverse gear casing (3) top together, its medi-spring (28) is clipped between reverse gear locating stud (27) and plug (29), and positive stop strip (30) lower end snaps in the spacing breach on reverse gear locating stud (27) outer wall, and the top of this positive stop strip is fixed in the mounting hole on described reverse gear casing (3).
Adopt above structure, the utility model can rotate reverse gear shaft (25) by the mode of foot-operated described reverse gear pedal (26), thereby reverse gear cover (24) is rotated, and then drive described reverse gear piece (10) along reverse gear shaft (25) circuit oscillation, and then stir described clutch gear (9) left and right slippage, finally realize reverse gear and the switching along shelves.And the effect of described reverse gear locating stud (27) is that reverse gear is positioned.
As preferably, the card base of described the first shift fork (16) snaps in the circular groove on the first timing clutch (13) periphery, and the card base of described the second shift fork (22) snaps in the circular groove on the second timing clutch (21) periphery.
Beneficial effect: the utlity model has tradition two general assemblies after identical gear requirement, and this assembly is simple in structure, compact, reverse gear part is directly connected with variable part, the defects such as conventional construction complexity, too fat to move, parts are various have so just been overcome well, not only effectively reduce manufacture cost, and significantly reduced assembling difficulty, and be convenient in production management, there is good technology and economic value, be suitable for extensively promoting the use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is that A-A in Fig. 2 is to sectional view.
Fig. 4 is that B-B in Fig. 2 is to sectional view.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figures 1 to 4, a kind of three fast reverse gear unitary box auxiliary transmission assemblies, mainly consist of parts such as upper box 1, lower box 2, reverse gear casing 3, reverse driving gear 4, input shaft 5, reverse gear 6, forward gears gear 7, transmission shaft 8, clutch gear 9, reverse gear piece 10, shaft gear 11, output shaft 12, the first timing clutch 13, secondary driven gear 14, acceleration driven gear 15, the first shift fork 16, jack shaft 17, one-level driven gear 18, countershaft-gear 19, acceleration driving gear 20, the second timing clutch 21 and the second shift forks 22.Wherein, after described upper box 1 and lower box 2 mould assembling, be formed for holding the receiving cavity of gear, described shaft gear 11, the first timing clutch 13, secondary driven gear 14, acceleration driven gear 15, the first shift fork 16, jack shaft 17, one-level driven gear 18, countershaft-gear 19 be housed in this receiving cavity, accelerate driving gear 20, the second timing clutch 21 and the second shift fork 22.
The left side mould assembling of the right side of described reverse gear casing 3 and upper box 1, lower box 2, this reverse gear casing 3 is in-built described reverse driving gear 4, reverse gear 6, forward gears gear 7, clutch gear 9 and reverse gear piece 10.Wherein, described reverse driving gear 4 is solidly set on input shaft 5, and by bearing, is contained in the mounting hole on reverse gear casing 3 simultaneously.And, above-mentioned reverse driving gear 4, reverse gear 6 and forward gears gear 7 are angular wheel, this reverse driving gear 4 often engages with reverse gear 6 and forward gears gear 7 simultaneously, and reverse gear 6 and the coaxial empty set of forward gears gear 7 are on a transmission shaft 8, and reverse gear 6 is positioned at the left side of forward gears gear 7.The left end of above-mentioned transmission shaft 8 by bearings on reverse gear casing 3, and the right part of transmission shaft 8 by bearings the left end at described upper box 1 and lower box 2.
Between described reverse gear 6 and forward gears gear 7, be provided with a clutch gear 9, this clutch gear 9 simultaneously by spline package on described transmission shaft 8, and clutch gear 9 can slippage vertically under the stirring of reverse gear piece 10, and selectively with reverse gear 6 or 7 combinations of forward gears gear.
As Fig. 1 to 4 can find out, as preferably, the bottom of described reverse gear piece 10 is card base, and this card base snaps in the circular groove on described clutch gear 9 peripheries, and the leading flank of reverse gear piece 10 bottoms is provided with a protruding 10a.Described reverse gear piece 10 simultaneously empty set overlaps on the annular boss 24a at 24 rear portions in reverse gear, and described protruding 10a snaps in reverse gear and overlaps in the reverse gear groove 24b of 24 lower ends.Described reverse gear cover 24 by spline package on reverse gear shaft 25, this reverse gear shaft 25 is positioned at described transmission shaft 8 tops, and the end, front and back of reverse gear shaft 25 all by bearings on described reverse gear casing 3, and the front end of reverse gear shaft 25 reaches outside this reverse gear casing, and be installed with reverse gear pedal 26 at this external part.
The right of described reverse gear piece 10 and reverse gear cover 24 is provided with a reverse gear locating stud 27, two positioning convex of these reverse gear locating stud 27 left ends snap in respectively in locating slot corresponding on reverse gear piece 10 and reverse gear cover 24, and the locating slot on reverse gear piece 10 and reverse gear cover 24 exists differential seat angle.Described reverse gear locating stud 27 is contained in the horizontal mounting hole on reverse gear casing 3 tops together with spring 28, plug 29, its medi-spring 28 is clipped between reverse gear locating stud 27 and plug 29, and positive stop strip 30 lower ends snap in the spacing breach on reverse gear locating stud 27 outer walls, and the top of this positive stop strip is fixed in the mounting hole on described reverse gear casing 3.
Adopt above structure, the utility model can rotate reverse gear shaft 25 by the mode of foot-operated described reverse gear pedal 26, thereby reverse gear cover 24 is rotated, and then drive described reverse gear piece 10 along reverse gear shaft 25 circuit oscillations, and then stir described clutch gear 9 left and right slippages, finally realize reverse gear and the switching along shelves.And the effect of described reverse gear locating stud 27 is that reverse gear is positioned.When described clutch gear 9 and reverse gear 6 in conjunction with time, the utility model is in reverse gear state, motorcycle of the present utility model is housed will move backward; When state clutch gear 9 and forward gears gear 7 in conjunction with time, the utility model is in forward gears state, motorcycle of the present utility model is housed will be to overtake.
From Fig. 1 to 4, can find out, the right-hand member of the left part of described shaft gear 11 and described transmission shaft 8 is coaxially fixing, and is preferably axle toothing.The left end of described output shaft 12 by bearings in the gear ring of shaft gear 11 right parts, and output shaft 12 right parts by bearings on the mould assembling face of described upper box 1, lower box 2, and the output terminal of output shaft 12 right-hand members reach outside, and can external part admittedly put output connect dish 23.
The left part of described output shaft 12 from left to right successively coaxial sleeve the first timing clutch 13, secondary driven gear 14 are housed and accelerate driven gear 15, wherein the first timing clutch 13 is connected by spline with output shaft 12, and secondary driven gear 14 is connected with output shaft 12 by bearing, and described acceleration driven gear 15 is fixedly connected with output shaft 12.Described the first timing clutch 13 can slippage vertically under the stirring of the first shift fork 16, and is combined with the gear ring of described shaft gear 11 right parts or the gear ring of secondary driven gear 14 left parts selectively.As preferably, the card base of described the first shift fork 16 snaps in the circular groove on the first timing clutch 13 peripheries.
From Fig. 1 to 4, finally also can find out, described shaft gear 11 often engages with one-level driven gear 18, this one-level driven gear 18 is solidly set on the left part of jack shaft 17, and the left end of jack shaft 17 and right-hand member are respectively by bearings in the mounting hole on described lower box 2.And the middle part of described jack shaft 17 is coaxially fixed with a countershaft-gear 19, this countershaft-gear 19 is preferably axle toothing with jack shaft 17, and countershaft-gear 19 often engages with the cylin-drical tooth of described secondary driven gear 14 right parts.
Described acceleration driving gear 20 is positioned at countershaft-gear 19 right sides, and this acceleration driving gear 20 passes through bearing empty set on jack shaft 17, and the cylin-drical tooth of acceleration driving gear 20 left parts often engages with described acceleration driven gear 15.On the jack shaft 17 on described acceleration driving gear 20 right sides, by spline housing, the second timing clutch 21 is housed, this second timing clutch 21 can slippage vertically under the stirring of the second shift fork 22, and be selectively combined or throw off with the gear ring of described acceleration driving gear 20 right parts.As preferably, the card base of described the second shift fork 22 snaps in the circular groove on the second timing clutch 21 peripheries.
It should be noted that, described the first shift fork 16 and the second shift fork 22 are handled by an existing ripe mutual interlocking gear, the parts that the first shift fork 16 drives are when bonding state, the parts that the second shift fork 22 drives are in neutral state, and the parts that the first shift fork 16 drives are when neutral state, the parts that the second shift fork 22 drives are in bonding state.
Range state of the present utility model is as described below:
When described clutch gear 9 and reverse gear 6 in conjunction with time, this assembly, in reverse gear state, is equipped with the motorcycle of this assembly in reversing state; When described clutch gear 9 and forward gears gear 7 in conjunction with time, this assembly, in forward gears state, is equipped with the motorcycle of this assembly in forward travel state.In addition, when described the first timing clutch 13 and the second timing clutch 21 are during all in neutral state, the first timing clutch 13 is not all combined with the gear ring of described shaft gear 11 right parts and the gear ring of secondary driven gear 14 left parts, and described the second timing clutch 21 is thrown off with the gear ring that accelerates driving gear 20 right parts, at this moment this assembly is in neutral state, and now described output shaft 12 does not turn.
When described the first timing clutch 13 is when the gear ring of shaft gear 11 right parts is combined, now the second timing clutch 21 is inevitable in neutral state, the second timing clutch 21 is thrown off with the gear ring that accelerates driving gear 20 right parts, at this moment power is delivered on the first timing clutch 13 by transmission shaft 8 and shaft gear 11, by the first timing clutch 13, be directly delivered on described output shaft 12 again, thereby realize power output, this state is constant speed state.
When described the first timing clutch 13 is when the gear ring of secondary driven gear 14 left parts is combined, now the second timing clutch 21 is inevitable in neutral state, the second timing clutch 21 is thrown off with the gear ring that accelerates driving gear 20 right parts, at this moment power is delivered to one-level driven gear 18 places by transmission shaft 8 and shaft gear 11, power drives one-level driven gear 18 to rotate by described jack shaft 17, thereby the one-level driven gear 18 by rotation drives described secondary driven gear 14 to rotate, thereby drive described output shaft 12 to slowly run by secondary driven gear 14 and the first timing clutch 13, thereby realize power output, this state is Afterburning condition, this Afterburning condition adopts when motorcycle heavy load.
When described the second timing clutch 21 is when the gear ring that accelerates driving gear 20 right parts is combined, described the first timing clutch 13 is inevitable in neutral state, the first timing clutch 13 is all thrown off with the gear ring of described shaft gear 11 right parts and the gear ring of secondary driven gear 14 left parts, at this moment power is delivered to one-level driven gear 18 places by transmission shaft 8 and shaft gear 11, power drives acceleration driving gear 20 to rotate by described jack shaft 17 and the second timing clutch 21, the acceleration driving gear 20 rotating drives described acceleration driven gear 15 to rotate, and then drive described output shaft 12 high speed rotating, thereby realize power output, this state is acceleration mode, this acceleration mode adopts when motorcycle underloading.
The foregoing is only preferred embodiment of the present utility model; not take the utility model as restriction; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (5)

1. a fast reverse gear unitary box auxiliary transmission assembly, it is characterized in that: comprise upper box (1), reverse driving gear (4), shaft gear (11) and accelerate driving gear (20), wherein after upper box (1) and lower box (2) mould assembling, be formed for holding the receiving cavity of gear, and the right side of reverse gear casing (3) and upper and lower casing (1,2) left side mould assembling; Described reverse driving gear (4) is angular wheel, this reverse driving gear is solidly set on input shaft (5), and by bearing, be contained in the mounting hole on reverse gear casing (3) simultaneously, and reverse driving gear (4) often engages with reverse gear (6) and forward gears gear (7) simultaneously, these two coaxial empty sets of gear are on a transmission shaft (8), the left end of this transmission shaft is upper at described reverse gear casing (3) by bearings, and the right part of transmission shaft (8) by bearings the left end in described upper and lower casing (1,2); Between described reverse gear (6) and forward gears gear (7), be provided with a clutch gear (9), this clutch gear simultaneously by spline package on described transmission shaft (8), and clutch gear (9) can slippage vertically under the stirring of reverse gear piece (10), and selectively with reverse gear (6) or forward gears gear (7) combination;
Described shaft gear (11) is arranged in the receiving cavity forming after upper and lower casing (1,2) mould assembling, the right-hand member of the left part of this shaft gear and described transmission shaft (8) is coaxially fixing, output shaft (12) left end by bearings in the gear ring of shaft gear (11) right part, and output shaft (12) right part by bearings on the mould assembling face of described upper and lower casing (1,2), and the output terminal of output shaft (12) right-hand member reach outside; Described output shaft (12) left part from left to right successively coaxial sleeve the first timing clutch (13), secondary driven gear (14) are housed and accelerate driven gear (15), wherein the first timing clutch (13) is connected by spline with output shaft (12), and secondary driven gear (14) is connected with output shaft (12) by bearing, and described acceleration driven gear (15) is fixedly connected with output shaft (12); Described the first timing clutch (13) can slippage vertically under the stirring of the first shift fork (16), and is combined with the gear ring of described shaft gear (11) right part or the gear ring of secondary driven gear (14) left part selectively;
Described shaft gear (11) often engages with the one-level driven gear (18) that jack shaft (17) left part overlaps admittedly, the left and right end of this jack shaft is respectively by bearings on the mould assembling face on described upper and lower casing (1,2), and jack shaft middle part is coaxially fixed with a countershaft-gear (19), and this countershaft-gear often engages with the cylin-drical tooth of described secondary driven gear (14) right part; Described acceleration driving gear (20) is upper at jack shaft (17) by bearing empty set, and the cylin-drical tooth of this acceleration driving gear left part often engages with described acceleration driven gear (15); The jack shaft (17) on described acceleration driving gear (20) right side is above equipped with the second timing clutch (21) by spline housing, this second timing clutch can slippage vertically under the stirring of the second shift fork (22), and be selectively combined or throw off with the gear ring of described acceleration driving gear (20) right part.
2. three fast reverse gear unitary box auxiliary transmission assemblies according to claim 1, is characterized in that: described shaft gear (11) is axle toothing with transmission shaft (8), and described countershaft-gear (19) is also axle toothing with jack shaft (17).
3. three fast reverse gear unitary box auxiliary transmission assemblies according to claim 1 and 2, it is characterized in that: the left side of described reverse gear (6) person's of being positioned at forward gears gear (7), and described countershaft-gear (19) is positioned at the left side of accelerating driving gear (20).
4. three fast reverse gear unitary box auxiliary transmission assemblies according to claim 1, it is characterized in that: the bottom of described reverse gear piece (10) is card base, this card base snaps in the circular groove on described clutch gear (9) periphery, and the leading flank of reverse gear piece (10) bottom is provided with a projection (10a); Described reverse gear piece (10) simultaneously empty set is upper at the annular boss (24a) at reverse gear cover (24) rear portion, and described projection (10a) snaps in the reverse gear groove (24b) of reverse gear cover (24) lower end;
Described reverse gear cover (24) by spline package on reverse gear shaft (25), this reverse gear shaft is positioned at described transmission shaft (8) top, and the end, front and back of reverse gear shaft (25) all by bearings on described reverse gear casing (3), and the front end of reverse gear shaft (25) reaches outside this reverse gear casing, and be installed with reverse gear pedal (26) at this external part;
The right of described reverse gear piece (10) and reverse gear cover (24) is provided with a reverse gear locating stud (27), two positioning convex of this reverse gear locating stud left end snap in respectively in reverse gear piece (10) and the upper corresponding locating slot of reverse gear cover (24), and the locating slot on reverse gear piece (10) and reverse gear cover (24) exists differential seat angle; Described reverse gear locating stud (27) and spring (28), plug (29) are contained in the horizontal mounting hole on reverse gear casing (3) top together, its medi-spring (28) is clipped between reverse gear locating stud (27) and plug (29), and positive stop strip (30) lower end snaps in the spacing breach on reverse gear locating stud (27) outer wall, and the top of this positive stop strip is fixed in the mounting hole on described reverse gear casing (3).
5. three fast reverse gear unitary box auxiliary transmission assemblies according to claim 4, it is characterized in that: the card base of described the first shift fork (16) snaps in the circular groove on the first timing clutch (13) periphery, and the card base of described the second shift fork (22) snaps in the circular groove on the second timing clutch (21) periphery.
CN201320750152.4U 2013-11-22 2013-11-22 Three-speed reverse gear integrated box and auxiliary transmission assembly Expired - Fee Related CN203548734U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422753A (en) * 2015-12-08 2016-03-23 黑龙江红兴隆机械制造有限公司 Coaxial transmission for refitted half track of tractor
CN105805242A (en) * 2016-06-05 2016-07-27 长葛市金安农机专业合作社 Three-shaft corn thresher gearbox horizontally adjusting gears

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422753A (en) * 2015-12-08 2016-03-23 黑龙江红兴隆机械制造有限公司 Coaxial transmission for refitted half track of tractor
CN105805242A (en) * 2016-06-05 2016-07-27 长葛市金安农机专业合作社 Three-shaft corn thresher gearbox horizontally adjusting gears

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