CN106763727A - A kind of automatic mechanical transmission - Google Patents
A kind of automatic mechanical transmission Download PDFInfo
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- CN106763727A CN106763727A CN201611110705.4A CN201611110705A CN106763727A CN 106763727 A CN106763727 A CN 106763727A CN 201611110705 A CN201611110705 A CN 201611110705A CN 106763727 A CN106763727 A CN 106763727A
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- input shaft
- jackshaft
- attachment means
- gear
- power
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- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
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- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to a kind of speed change gear, more particularly to a kind of automatic mechanical transmission for automobile.The shortcoming of automatic mechanical transmission (AMT) is the dynamic disruption in gear shift now.The phenomenon of power interruption when double disengaging type automatic transmission (DCT) solve gear shift, but there are two sets of clutch units, control structure is complicated.It is an object of the present invention to provide a kind of simple structure, cost is relatively low, power unbroken automatic mechanical transmission during gear shift.The automatic mechanical transmission comprising the first input shaft, the second input shaft, at least two jackshafts, at least one and the connection of driven device output shaft for exporting power and at least three be arranged in power branch lines between at least two jackshafts and output shaft；First input shaft is connected with driver, and the second input shaft is realized being connected or disconnecting by friction clutch and driver, and jackshaft is realized being connected or disconnecting by attachment means with the first input shaft and the second input shaft.
Description
Technical field
The present invention relates to a kind of speed change gear, more particularly to a kind of automatic mechanical transmission for automobile.
Background technology
Automatic mechanical transmission (AMT) is improved on the basis of traditional hand gear type speed changer now；It is
Combine the mechanical-electrical-hydraulic integration automatic transmission of automatically and manually both advantages；AMT had both had hydraulic automatic speed variator automatic
The advantage of speed change, remains the gear-driven efficiency high of former manual transmission, low cost, simple structure, the strong point of easily manufacture again,
It is widely used in auto industry.Its shortcoming is nonpower shift, i.e., power interruption phenomenon is had when gear shift, is made
Performance into vehicle is impacted.It is double disengaging types automatic transmission (DCT) to have a solution at present, and the solution is solved
The phenomenon of power interruption during existing AMT gear shift, but there are two sets clutch units, control structure complexity, the shortcoming of high cost.
Therefore, exploitation is a kind of both has the advantages that fluid drive, and mechanically operated high efficiency is retained again, and control structure is simple, into
This is relatively low, meanwhile, the AMT that can avoid power interruption phenomenon in gear shift again is problem demanding prompt solution.
The content of the invention
Thus, it is an object of the present invention to provide a kind of simple structure, cost is relatively low, and power is unbroken mechanical during gear shift
Automatic transmission.
To reach above-mentioned purpose, the present invention provides a kind of automatic mechanical transmission, and the automatic mechanical transmission includes first
Input shaft, the second input shaft, at least two jackshafts, at least one be connected with driven device for export the output shaft of power with
And at least three be arranged in power branch line between at least two jackshafts and output shaft；First input shaft and driver phase
Connection, the second input shaft is realized be connected or disconnecting by slip clutch and driver, and jackshaft passes through attachment means and the
One input shaft and the second input shaft realize connection or disconnect that attachment means include power drive mechanism and the company that can be connected or disconnect
Connected components, the attachment means between jackshaft and the first input shaft also include one-way clutch, and the first input shaft is by connection
Device and then be the first speed ratio of each gear of speed changer by the overall ratio of each power branch line to output shaft, the second input shaft passes through
Attachment means and then be the second speed ratio of each gear of speed changer by the overall ratio of each power branch line to output shaft, and low or first gear
First speed of position is than the second speed ratio more than or equal to adjacent high gear.
Coupling assembly wherein between jackshaft and the first input shaft can be coupled tooth and spline connection unit.
Middling speed of the present invention than definition be：The ratio of input speed and output speed.
The automatic mechanical transmission can also be following structures：A kind of automatic mechanical transmission, the mechanical automatic speed changing
Device comprising the first input shaft, the second input shaft, at least two jackshafts, at least one be connected with driven device for exporting power
Output shaft and at least three be arranged in power branch line between at least two jackshafts and output shaft；Its feature exists
In, the first input shaft is connected with driver, and the second input shaft is realized being connected or disconnecting by slip clutch and driver,
Jackshaft is realized being connected or disconnecting by attachment means with the first input shaft and the second input shaft, and attachment means include power transmission
Mechanism and the coupling assembly that can be connected or disconnect, the coupling assembly between jackshaft and the first input shaft is snap fastener, first
Input shaft is by attachment means and then passes through the overall ratio of each power branch line to output shaft for the first speed of each gear of speed changer compares,
Second input shaft is by attachment means and then by the way that the overall ratio of each power branch line to output shaft is each gear of speed changer second
Speed ratio, and low gear first speed than more than or equal to adjacent high gear second speed compare.
The automatic mechanical transmission of above two structure, the coupling assembly between jackshaft and the second input shaft can be coupled
Tooth and synchronizer unit, also can also be one-way clutch.Two between same jackshaft and output shaft and two or more
Power branch line is switched with synchronizer unit.Fast ratio between first input shaft and any jackshaft can more than the second input shaft with
Speed ratio between the jackshaft.Second input shaft can be quill shaft, and the first input shaft passes through the second input shaft.Second input shaft
Can also be connected or disconnect with the first input shaft by slip clutch, and then be connected or disconnect with driver.Power transmission
Mechanism is gear pair or Chain conveyer or V belt translation.
Compared with existing machinery formula automatic transmission technology, the present invention has advantages below：Power can respectively from two approach
Each power branch line is delivered to, when one of them needs cut-out power because of gear shift, another can continue to transmit power.So as to
Realize that gearshift procedure power is not interrupted.In addition, the present invention only has a set of slip clutch system, general structure is simple, cost
It is relatively low, can be realized completely using existing AMT technologies.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of the present invention.
Fig. 2 is the structural representation of the first embodiment of the present invention, and the power for illustrating driver can be by power branch line
(51) it is delivered to the state of output shaft.
Fig. 3 is the first embodiment of the present invention processes schematic diagram when completing before one grade of positive-torque rises two grades.
Fig. 4 is the first embodiment of the present invention processes schematic diagram when completing before two grades of positive-torque rises third gear.
Fig. 5 is working condition table of the first embodiment of the present invention when positive-torque upshifts.
Fig. 6 is schematic diagram of the first embodiment of the present invention when completion is processed before positive-torque third gear drops two grades.
Fig. 7 is schematic diagram of the first embodiment of the present invention when completion is processed before two grades of one grade of drops of positive-torque.
Fig. 8 is working condition table of the first embodiment of the present invention when positive-torque downshifts.
Fig. 9 is working condition table of the first embodiment of the present invention when negative torque upshifts.
Figure 10 is working condition table of the first embodiment of the present invention when negative torque downshifts.
Figure 11 is the structural representation of the second embodiment of the present invention.
Figure 12 is the gear shift working condition table of the second embodiment of the present invention.
Figure 13 is the structural representation of the third embodiment of the present invention.
Figure 14 is two kinds of snap fastener circumferentially deploying partial structural diagrams of the third embodiment of the present invention.
Figure 15 is the gear shift working condition table of the third embodiment of the present invention.
Figure 16 is the structural representation of the fourth embodiment of the present invention.
Specific embodiment
Hereinafter, present invention will be described in detail with reference to the accompanying.Embodiment selected by other figures and description herein is not all possible
Scheme, does not also limit the scope of the present invention.
First embodiment：
Fig. 1 is the structural representation of the first embodiment of the present invention.Of the invention for the purpose of simplifying the description, this schematic diagram only lists three
Individual power branch line (51,52,53), but this not restricted present invention, speed changer is with least three power under normal circumstances
Branch line.
The automatic mechanical transmission comprising the first input shaft (1), the second input shaft (2), two jackshafts (31,32), one
The output shaft (4) for exporting power being connected with driven device and three be arranged in two jackshafts (31,32) with it is defeated
Power branch line (51,52,53) between shaft (4), wherein power branch line (51,53) are arranged in jackshaft (31) and output shaft
(4) between, power branch line (52) is arranged between jackshaft (32) and output shaft (4), and power branch line (51,52,53) speed
Than being sequentially reduced, i.e., under the conditions of identical input speed, output speed increases successively, and the description of all about fast ratio is equal in the present invention
Meet this definition.
Wherein the first input shaft (1) is connected through hollow the second input shaft (2) with driver (100).Second input shaft (2)
Realize being connected or disconnecting by slip clutch (200) and driver (100).Jackshaft (31) by attachment means (61),
Attachment means (62) are realized being connected or disconnecting with the first input shaft (1) and the second input shaft (2) respectively, and jackshaft (32) is by even
Connection device (63), attachment means (64) are realized being connected or disconnecting with the first input shaft (1) and the second input shaft (2) respectively.Power
Branch line (51,52,53) is realized connection or is disconnected by synchronizer unit (S1, S2, S3) respectively.
Wherein attachment means (61) are gear pair (81), one-way clutch (71) by power drive mechanism and can be connected or disconnect
Coupling assembly be coupled tooth (811) and spline connection unit (91) constitute, attachment means (62) are tooth by power drive mechanism
Wheel set (82) and can connect or the coupling assembly that disconnects is coupled tooth (821) and synchronizer unit (92) composition, attachment means
(63) it is gear pair (83), one-way clutch (72) by power drive mechanism and can be connected or the coupling assembly that disconnects is coupled
Tooth (831) and spline connection unit (93) are constituted, and attachment means (64) are gear pair (84) by power drive mechanism and can be connected
Or the coupling assembly for disconnecting is to be coupled tooth (841) and synchronizer unit (94) composition.Wherein, the speed of gear pair (81,83) compares phase
Together, the speed of gear pair (82,84) is than identical, and gear pair (81,83) speed than the speed ratio more than gear pair (82,84).
Two gears of its gear joint (81) are arranged on the first input shaft (1) and jackshaft (31), and with first
Input shaft (1) is often coupled；Two gears of gear pair (82) are arranged on the second input shaft (2) and jackshaft (31), and
And be often coupled with the second input shaft (2)；Two gears of gear pair (83) are arranged in the first input shaft (1) and jackshaft
(32) on, and often it is coupled with the first input shaft (1)；Two gears of gear pair (84) are arranged in the second input shaft (2)
On jackshaft (32), and often it is coupled with the second input shaft (2).Each gear pair is arranged in the gear on jackshaft (31,32)
Driven gear is defined as, is respectively coupled the driven tooth that tooth (811,821,831,841) is arranged in gear pair (81,82,83,84)
On wheel.Spline connection unit (91) is arranged on jackshaft (31) by one-way clutch (71)；Synchronizer unit (92) is fixed
On jackshaft (31)；Spline connection unit (93) is arranged on jackshaft (32) by one-way clutch (72)；Synchronizer list
First (94) are fixed on jackshaft (32).
Wherein spline connection unit (91,93) and synchronizer unit (92,94) can with it is corresponding connection tooth (811,821,
831st, connection or disconnection 841) are realized.One-way clutch (71,72) is in bonding state when positive-torque is transmitted；Negative torque is transmitted
When in surmounting state.Wherein power output from driver is by one-way clutch (71,72) and then is delivered to driven device and is defined as just
Moment of torsion is transmitted, and power reverse transmission is then defined as negative torque transmission, and following one-way clutch meets this definition.
Based on above structure, by switching spline connection unit (91,93) and synchronizer unit (92,94) and corresponding conjunction gear
(811,821,831,841) for connection or off-state be capable of achieving jackshaft (31,32) by attachment means (61,62,63,
64) respectively with the connection or disconnection of the first input shaft (1) and the second input shaft (2).
Fig. 2 is the structural representation of the first embodiment of the present invention, represents that the power of driver (100) can be by power branch line
(51) it is delivered to the state of output shaft (4).Now attachment means (62) are connection status, and power branch line (51) is by means of synchronizer
Unit (S1) is in connection status, and remaining attachment means is off-state.When slip clutch (200) is closed to be connected, drive
The power of dynamic device (100) passes sequentially through slip clutch (200), the second input shaft (2), attachment means (62), jackshaft
(31), power branch line (51) and output shaft (4) are delivered to driven device.
Power is wherein defined as one grade of speed changer by power branch line (51), power is defined as by power branch line (52)
Two grades of speed changer, power is defined as the third gear of speed changer by power branch line (53).Then one grade of first speed is than being gear pair
(81) speed compares than being multiplied by the speed of power branch line (51), and one grade of second speed is multiplied by power branch line than the fast ratio for gear pair (82)
(51) speed ratio；Two grade of first speed is multiplied by the speed ratio of power branch line (52), two grade of second speed ratio than the speed ratio for gear pair (83)
For the speed of gear pair (84) compares than being multiplied by the speed of power branch line (52)；The speed of third gear first is more dynamic than being multiplied by than the speed for gear pair (81)
The speed ratio of power branch line (53), the speed of third gear second ratio compares for the speed of gear pair (82) than being multiplied by the speed of power branch line (53), conjunction gear
Speed between wheel set (81,82,83,84) and power branch line (51,52,53) compares relation, it is clear that this case is speed changer low or first gear
First speed of position than more than adjacent high gear second it is fast than and between the first input shaft (1) and any jackshaft (31,32)
Speed than more than between the second input shaft (2) and the jackshaft (31,32) speed compare.
The present embodiment only illustrates using three shift transmissions as principle, is not limited only third gear.When speed changer is more than third gear, only
Only it is the increase of numbers of gear steps, principle is same.
The gearshift procedure of first embodiment：
The following is the explanation that the gearshift procedure for the present embodiment is done, wherein each action and its sequencing are only illustrated in this
Embodiment, is not intended to limit the present invention.
One grade of positive-torque rises two grades：
First it is upshift pretreatment stage：The first step, switching attachment means (61) is connection status；Second step, disconnects frictional
Clutch (200)；3rd step, switching attachment means (64) and synchronizer unit (S2) are connection status, simultaneously switch off connection
Device (62).
Fig. 3 is the first embodiment of the present invention processes schematic diagram when completing before one grade of positive-torque rises two grades.Now unidirectionally from
Clutch (71) is in bonding state.The power of driver (100) passes sequentially through the first input shaft (1), attachment means (61), centre
Axle (31), power branch line (51) and output shaft (4) are delivered to driven device.
It is followed by the upshift stage：Slip clutch (200) switches to connection status, and now one-way clutch (71) is in surmounting
State.The power of driver (100) pass sequentially through slip clutch (200), the second input shaft (2), attachment means (64), in
Countershaft (32), power branch line (52) and output shaft (4) are delivered to driven device.
It is finally upshift post-processing stages：Disconnect device (61) and synchronizer unit (S1).Complete mechanical automatic speed changing
One grade of the positive-torque of device rises two grades of processes.
Two grades of positive-torque rises third gear：
First it is upshift pretreatment stage：The first step, switching attachment means (63) is connection status；Second step, disconnects frictional
Clutch (200)；3rd step, switching attachment means (62) and synchronizer unit (S3) are connection status, simultaneously switch off connection
Device (64).
Fig. 4 is the first embodiment of the present invention processes schematic diagram when completing before two grades of positive-torque rises third gear.Now unidirectionally from
Clutch (72) is in bonding state.The power of driver (100) passes sequentially through the first input shaft (1), attachment means (63), centre
Axle (32), power branch line (52) and output shaft (4) are delivered to driven device.
It is followed by the upshift stage：Slip clutch (200) switches to connection status, and now one-way clutch (72) is in surmounting
State.The power of driver (100) pass sequentially through slip clutch (200), the second input shaft (2), attachment means (62), in
Countershaft (31), power branch line (53) and output shaft (4) are delivered to driven device.
It is finally upshift post-processing stages：Disconnect device (63) and synchronizer unit (S2).Complete mechanical automatic speed changing
Two grades of the positive-torque of device rises third gear process.Fig. 5 is the working condition table of embodiment positive-torque upshift.
Positive-torque third gear drops two grades：
First it is downshift pretreatment stage：Switching attachment means (63) and synchronizer unit (S2) are connection status.
Fig. 6 is schematic diagram of the first embodiment of the present invention when completion is processed before positive-torque third gear drops two grades.Now, frictionally
Clutch (200), attachment means (62,63) and synchronizer unit (S2, S3) are connection status, and attachment means (61,64) are
Off-state, one-way clutch (72) is in surmounting state.The power of driver (100) passes sequentially through slip clutch
(200), the second input shaft (2), attachment means (62), jackshaft (31), power branch line (53) and output shaft (4) are delivered to driven
Device.
It is followed by the downshift stage：Slip clutch (200) switches to off-state, and now one-way clutch (72) is in combination
State.The power of driver (100) passes sequentially through the first input shaft (1), attachment means (63), jackshaft (32), power branch line
And output shaft (4) is delivered to driven device (52).
It is finally downshift post-processing stages：The first step, switching attachment means (62) and synchronizer unit (S3) are off-state,
It is connection status to switch attachment means (64) simultaneously；Second step, switching slip clutch (200) is connection status；3rd step,
Switching attachment means (63) is off-state.Complete positive-torque third gear and drop two grades of processes.
Two grades of positive-torque drops one grade：
First it is two grades of drops, one grade of pretreatment stage：Switching attachment means (61) and synchronizer unit (S1) are connection status.
Fig. 7 is schematic diagram of the first embodiment of the present invention when completion is processed before two grades of one grade of drops of positive-torque.Now, frictionally
Clutch (200), attachment means (61,64) and synchronizer unit (S1, S2) are connection status, and attachment means (62,63) are
Off-state, one-way clutch (71) is in surmounting state.The power of driver (100) passes sequentially through slip clutch
(200), the second input shaft (2), attachment means (64), jackshaft (32), power branch line (52) and output shaft (4) are delivered to driven
Device.
It is followed by the downshift stage：Slip clutch (200) switches to off-state, and now one-way clutch (71) is in combination
State.The power of driver (100) passes sequentially through the first input shaft (1), attachment means (61), jackshaft (31), power branch line
And output shaft (4) is delivered to driven device (51).
It is finally downshift post-processing stages：The first step, switching attachment means (64) and synchronizer unit (S2) are off-state,
It is connection status to switch attachment means (62) simultaneously；Second step, switching slip clutch (200) is connection status；3rd step,
Switching attachment means (61) is off-state.Complete positive-torque two grades of drops, one grade of process.Fig. 8 is embodiment positive-torque downshift
Working condition table.
One grade of negative torque rises two grades：
First, switching slip clutch (200) is off-state；Then attachment means (64) and synchronizer unit (S2) are switched
It is connection status, while it is off-state to switch attachment means (62) and synchronizer unit (S1)；Finally, friction type clutch is switched
Device (200) is connection status, completes one grade of negative torque and rises two grades of processes.Two grades of negative torque rises third gear process and rises two grades of mistakes with one grade
Journey is similar, no longer describes.Fig. 9 is the working condition table of embodiment negative torque upshift.
Negative torque third gear drops two grades：
First, switching slip clutch (200) is off-state；Then attachment means (64) and synchronizer unit (S2) are switched
It is connection status, while it is off-state to switch attachment means (62) and synchronizer unit (S3)；Finally, friction type clutch is switched
Device (200) is connection status, completes negative torque third gear and drops two grades of processes.Negative torque two grades of drops, one grade of process drops two grades of mistakes with third gear
Journey is similar, no longer describes.Figure 10 is the working condition table of embodiment negative torque downshift.
Second embodiment：
Figure 11 is the structural representation of the second embodiment of the present invention.First embodiment is different from, the attachment means (61) of this
By one-way clutch (75), gear pair (81), be coupled tooth (811) and spline connection unit (91) constitute, attachment means (62) by
Gear pair (82) and one-way clutch (73) are constituted, and attachment means (63) are by one-way clutch (75), gear pair (83), connection tooth
(831) constituted with spline connection unit (93), attachment means (64) are made up of gear pair (84) and one-way clutch (74), even
Connection device (61,63) shares an one-way clutch (75).Remaining structure and speed are than relation all same.
Its gear joint (81,83) shares driving gear, and the gear is joined by one-way clutch (75) with the first input shaft (1)
Knot, spline connection unit (91) is arranged on jackshaft (31) and normal is coupled with its；Spline connection unit (93) is arranged in centre
Normal it is coupled on axle (32) and with its.Two gears of gear pair (82) are arranged in the second input shaft (2) and jackshaft (31)
On, and be often coupled with the second input shaft (2), it is coupled by one-way clutch (73) with jackshaft (31)；Gear pair (84)
Two gears are arranged on the second input shaft (2) and jackshaft (32), and are often coupled with the second input shaft (2), with
Countershaft (32) is coupled by one-way clutch (74).Wherein one-way clutch (73,74,75) is in when positive-torque is transmitted and combines
State, is in when negative torque is transmitted and surmounts state.
The gearshift procedure of second embodiment：
The following is the explanation that the gearshift procedure for the present embodiment is done, wherein each action and its sequencing are not intended to limit this
Invention.
One grade of positive-torque rises two grades：
When speed changer is by one grade of transmission power, single clutch (73) is bonding state, and synchronizer unit (S1) is connection shape
State, attachment means (61,63) and synchronizer unit (S2, S3) are off-state.Driver (100) power passes sequentially through friction
Formula clutch (200), the second input shaft (2), attachment means (62), jackshaft (31), power branch line (51) and output shaft (4) are passed
It is delivered to driven device.
First it is upshift pretreatment stage：The first step, switching attachment means (61) is connection status；Second step, disconnects frictional
Clutch (200)；3rd step, handoff synchronizer unit (S2) is connection status.Now one-way clutch (75) is in combining shape
State.The power of driver (100) passes sequentially through the first input shaft (1), attachment means (61), jackshaft (31), power branch line
And output shaft (4) is delivered to driven device (51).
It is followed by the upshift stage：Slip clutch (200) switches to connection status, and now one-way clutch (75,73) is in
Surmount state, one-way clutch (74) is in bonding state.The power of driver (100) passes sequentially through slip clutch
(200), the second input shaft (2), attachment means (64), jackshaft (32), power branch line (52) and output shaft (4) are delivered to driven
Device.
It is finally upshift post-processing stages：Disconnect device (61) and synchronizer unit (S1).Complete mechanical automatic speed changing
One grade of the positive-torque of device rises two grades of processes.
Two grades of positive-torque rises third gear：
When speed changer is by two grades of transmission power, single clutch (74) is bonding state, and synchronizer unit (S2) is connection shape
State, attachment means (61,63) and synchronizer unit (S1, S3) are off-state.Driver (100) power passes sequentially through friction
Formula clutch (200), the second input shaft (2), attachment means (64), jackshaft (32), power branch line (52) and output shaft (4) are passed
It is delivered to driven device.
First it is upshift pretreatment stage：The first step, switching attachment means (63) is connection status；Second step, disconnects frictional
Clutch (200)；3rd step, handoff synchronizer unit (S3) is connection status.Now one-way clutch (75) is in combining shape
State.The power of driver (100) passes sequentially through the first input shaft (1), attachment means (63), jackshaft (32), power branch line
And output shaft (4) is delivered to driven device (52).
It is followed by the upshift stage：Slip clutch (200) switches to connection status, and now one-way clutch (75,74) is in
Surmount state, one-way clutch (73) is in bonding state.The power of driver (100) passes sequentially through slip clutch
(200), the second input shaft (2), attachment means (62), jackshaft (31), power branch line (53) and output shaft (4) are delivered to driven
Device.
It is finally upshift post-processing stages：Disconnect device (63) and synchronizer unit (S2).Complete mechanical automatic speed changing
Two grades of the positive-torque of device rises third gear process.
Positive-torque third gear drops two grades：
When speed changer transmits power by third gear, single clutch (73) is bonding state, and synchronizer unit (S3) is connection shape
State, attachment means (61,63) and synchronizer unit (S1, S2) are off-state.Driver (100) power passes sequentially through friction
Formula clutch (200), the second input shaft (2), attachment means (62), jackshaft (31), power branch line (53) and output shaft (4) are passed
It is delivered to driven device.
First it is downshift pretreatment stage：Switching attachment means (63) and synchronizer unit (S2) are connection status, one-way clutch
Device (75) is in surmounting state.The power of driver (100) pass sequentially through slip clutch (200), the second input shaft (2),
Attachment means (62), jackshaft (31), power branch line (53) and output shaft (4) are delivered to driven device.
It is followed by the downshift stage：Slip clutch (200) switches to off-state, and now one-way clutch (75) is in combination
State.The power of driver (100) passes sequentially through the first input shaft (1), attachment means (63), jackshaft (32), power branch line
And output shaft (4) is delivered to driven device (52).
It is finally downshift post-processing stages：The first step, handoff synchronizer unit (S3) is off-state；Second step, switching
Slip clutch (200) is connection status；3rd step, switching attachment means (63) is off-state.Complete positive-torque third gear
Two grades of processes of drop.
Two grades of positive-torque drops one grade：
First it is downshift pretreatment stage：Switching attachment means (61) and synchronizer unit (S1) are connection status, one-way clutch
Device (75) is in surmounting state.The power of driver (100) pass sequentially through slip clutch (200), the second input shaft (2),
Attachment means (64), jackshaft (32), power branch line (52) and output shaft (4) are delivered to driven device.
It is followed by the downshift stage：Slip clutch (200) switches to off-state, and now one-way clutch (75) is in combination
State.The power of driver (100) passes sequentially through the first input shaft (1), attachment means (61), jackshaft (31), power branch line
And output shaft (4) is delivered to driven device (51).
It is finally downshift post-processing stages：The first step, handoff synchronizer unit (S2) is off-state；Second step, switching friction
Formula clutch (200) is connection status；3rd step, switching attachment means (61) is off-state.Complete two grades of drops one of positive-torque
Shelves process.
The negative torque liter downshift process of the embodiment is identical with the negative torque liter downshift process of first embodiment of the invention, here not
Describe again.Figure 12 is the gear shift working condition table of the embodiment.The present embodiment only illustrates using three shift transmissions as principle, not
It is limited only third gear.When speed changer is more than third gear, the only increase of numbers of gear steps, principle is same.
Additionally, the process for gear of both examples above is the first speed based on low gear than being more than the of adjacent high gear
Two speed ratio and gear pair (81,83) speed than be more than gear pair (82,84) fast ratio situation.When the first speed ratio of low gear
Fast compare and tooth than second more than adjacent high gear equal to the second speed ratio of adjacent high gear or the first speed of low gear
The situation of the speed than the fast ratio less than or equal to gear pair (82,84) of wheel set (81,83), cannot use above-mentioned gear shift side
Method, now, the shifting method that shifting method need to combine the 3rd case study on implementation is analyzed, but thus derivative shifting method is
It will be apparent that being not further described.
3rd embodiment：
Figure 13 is the structural representation of the third embodiment of the present invention.First embodiment is different from, the attachment means of the embodiment
(61) it is made up of gear pair (81) and snap fastener, snap fastener is by snap fastener driving link (812) and snap fastener driven member
(96) constitute, attachment means (63) are made up of gear pair (83) and snap fastener, and snap fastener is by snap fastener driving link (832)
Constituted with snap fastener driven member (97).Gear pair (81,82,83,84) speed is than identical, the speed ratio of power branch line (51,52,53)
It is sequentially reduced.Remaining structure is identical.Obvious this case is the first speed of speed changer low gear than more than adjacent high gear
Second speed ratio and between the first input shaft (1) and any jackshaft (31,32) speed than be equal to the second input shaft (2) and this in the middle of
Speed ratio between axle (31,32).
Two gears of its gear joint (81) are arranged on the first input shaft (1) and jackshaft (31), and with first
Input shaft (1) is often coupled；Two gears of gear pair (83) are arranged on the first input shaft (1) and jackshaft (32), and
And be often coupled with the first input shaft (1).Snap fastener driving link (812,832) is arranged in the driven of gear pair (81,83)
On wheel.Snap fastener driven member (96,97) is often coupled by spline with jackshaft (31,32) respectively, and can move axially with
Realize the connection or disconnection with snap fastener driving link (812,832).Figure 14 is two kinds of engaging machines of the third embodiment of the present invention
Structure circumferentially deploying partial structural diagram.
The gearshift procedure of 3rd embodiment：
One grade of positive-torque rises two grades：
When speed changer is by one grade of transmission power, slip clutch (200), attachment means (62) and synchronizer unit (S1)
It is connection status.Attachment means (61,63,64) and synchronizer unit (S2, S3) are off-state.Driver (100) power
Pass sequentially through slip clutch (200), the second input shaft (2), attachment means (62), jackshaft (31), power branch line (51)
Driven device is delivered to output shaft (4).
First it is upshift pretreatment stage：The first step, switching slip clutch (200) is off-state, in the process, when
It is connection status that slip clutch (200) starts switching attachment means (61) during sliding wear；Second step, switching attachment means (64)
Connection status is with synchronizer unit (S2), attachment means (62) are simultaneously switched off.
It is followed by the upshift stage：Slip clutch (200) switches to connection status, in the process, work as slip clutch
(200) it is off-state to start switching attachment means (61) during sliding wear；Now the power of driver (100) is passed sequentially through frictionally
The transmission of clutch (200), the second input shaft (2), attachment means (64), jackshaft (32), power branch line (52) and output shaft (4)
To driven device.
It is finally upshift post-processing stages：Disconnect synchronizer unit (S1).Complete one grade of the positive-torque of automatic mechanical transmission
Rise two grades of processes.
Two grades of positive-torque rises third gear：
First it is upshift pretreatment stage：The first step, switching slip clutch (200) is off-state, in the process, when
It is connection status that slip clutch (200) starts switching attachment means (63) during sliding wear；Second step, switching attachment means (62)
Connection status is with synchronizer unit (S3), attachment means (64) are simultaneously switched off.
It is followed by the upshift stage：Slip clutch (200) switches to connection status, in the process, work as slip clutch
(200) it is off-state to start switching attachment means (63) during sliding wear；Now the power of driver (100) is passed sequentially through frictionally
The transmission of clutch (200), the second input shaft (2), attachment means (62), jackshaft (31), power branch line (53) and output shaft (4)
To driven device.
It is finally upshift post-processing stages：Disconnect synchronizer unit (S2).Complete two grades of the positive-torque of automatic mechanical transmission
Rise third gear process.
Positive-torque third gear drops two grades：
First it is downshift pretreatment stage：Handoff synchronizer unit (S2) is connection status.
It is followed by the downshift stage：Slip clutch (200) switches to off-state, in the process, work as slip clutch
(200) it is connection status to start switching attachment means (63) during sliding wear；Now to pass sequentially through first defeated for the power of driver (100)
Enter axle (1), attachment means (63), jackshaft (32), power branch line (52) and output shaft (4) and be delivered to driven device.
It is finally downshift post-processing stages：The first step, switching attachment means (62) and synchronizer unit (S3) are off-state,
It is connection status to switch attachment means (64) simultaneously；Second step, switching slip clutch (200) is connection status；3rd step,
Switching attachment means (63) is off-state.Complete positive-torque third gear and drop two grades of processes.
Two grades of positive-torque drops one grade：
First it is downshift pretreatment stage：Handoff synchronizer unit (S1) is connection status.
It is followed by the downshift stage：Slip clutch (200) switches to off-state, in the process, work as slip clutch
(200) it is connection status to start switching attachment means (61) during sliding wear；Now to pass sequentially through first defeated for the power of driver (100)
Enter axle (1), attachment means (61), jackshaft (31), power branch line (51) and output shaft (4) and be delivered to driven device.
It is finally downshift post-processing stages：The first step, switching attachment means (64) and synchronizer unit (S2) are off-state,
It is connection status to switch attachment means (62) simultaneously；Second step, switching slip clutch (200) is connection status；3rd step,
Switching attachment means (61) is off-state.Complete positive-torque two grades of drops, one grade of process.
The negative torque liter downshift process of the embodiment is identical with the negative torque liter downshift process of first embodiment of the invention, here not
Describe again.Figure 15 is the gear shift working condition table of the embodiment.
In above example only to the speed of each gear first than more than second it is fast than and the first input shaft (1) and any jackshaft
Speed between (31,32) is than more than or equal to the two kinds of speed ratios of speed ratio between the second input shaft (2) and the jackshaft (31,32)
Relation is illustrated.However, speed of the present invention also has other two kinds of situations than relation, one is, the of low gear
One speed is than the second speed ratio equal to adjacent high gear；Two are, the first speed of low gear is than being more than the of adjacent high gear
The two speed ratios and speed between the first input shaft (1) and any jackshaft (31,32) is than less than the second input shaft (2) and the jackshaft
Speed ratio between (31,32).It is evident that itself and the difference that the difference of three of the above case is only gearshift procedure, all may be used
To realize the present invention.
The power drive mechanism of the attachment means (61,62,63,64) of above example employs gear pair (81,82,83,84)
To transmit power, the transmission certainly using other structure types to realize power is also possible, including but not limited to such as chain
Transmission, V belt translation etc.；Spline connection unit can also be substituted using other structures, as long as can realize connecting or disconnecting two kinds
State；And snap fastener between its driving link and driven member in engaging or disconnection it is characterized in that allowed axial and circumferential
The displacement of both direction, and axial displacement FEFO or with circumferentially displaced while terminate, as long as this feature can be met
Structure, I will not elaborate.
Fourth embodiment：
Figure 16 is the structural representation of fourth embodiment of the invention.Different from the arrangement form of various embodiments above, the structure
Second input shaft (2) is connected or disconnected by slip clutch (200) with the first input shaft (1), so with driver (100)
It is connected or disconnects.
Claims (9)
1. a kind of automatic mechanical transmission, the automatic mechanical transmission includes the first input shaft, the second input shaft, at least two
The output shaft for exporting power and at least three that individual jackshaft, at least one are connected with driven device are arranged at least
Two power branch lines between jackshaft and output shaft, and two between same jackshaft and output shaft and two or more it is dynamic
Power branch line is switched with synchronizer unit；It is characterized in that first input shaft is connected with driver, second input shaft
Realize being connected or disconnecting by slip clutch and driver, the jackshaft passes through attachment means and first input shaft
Connection being realized with the second input shaft or being disconnected, the attachment means include power drive mechanism and the connection group that can be connected or disconnect
Part, the attachment means between the jackshaft and the first input shaft also include one-way clutch；First input shaft
It is the first speed ratio of each gear of speed changer by attachment means and then by the overall ratio of each power branch line to output shaft, described the
Two input shafts are by attachment means and then second fast for each gear of speed changer by the overall ratio of each power branch line to output shaft
Than, and low gear first speed than more than or equal to adjacent high gear second speed compare.
2. a kind of automatic mechanical transmission, the automatic mechanical transmission includes the first input shaft, the second input shaft, at least two
The output shaft for exporting power and at least three that individual jackshaft, at least one are connected with driven device are arranged at least
Two power branch lines between jackshaft and output shaft, and two between same jackshaft and output shaft and two or more it is dynamic
Power branch line is switched with synchronizer unit；It is characterized in that first input shaft is connected with driver, second input shaft
Realize being connected or disconnecting by slip clutch and driver, the jackshaft passes through attachment means and first input shaft
Connection being realized with the second input shaft or being disconnected, the attachment means include power drive mechanism and the connection group that can be connected or disconnect
Part, the coupling assembly between the jackshaft and the first input shaft is snap fastener；First input shaft is by connection
Device and then be the first speed ratio of each gear of speed changer, second input shaft by the overall ratio of each power branch line to output shaft
It is the second speed ratio of each gear of speed changer by attachment means and then by the overall ratio of each power branch line to output shaft, and it is low
First speed of fast gear is than the second speed ratio more than or equal to adjacent high gear.
3. automatic mechanical transmission according to claim 1, it is characterised in that the jackshaft and the described first input
The coupling assembly between axle includes connection tooth and spline connection unit.
4. automatic mechanical transmission according to any one of claim 1 to 3, it is characterised in that the jackshaft and institute
The coupling assembly stated between the second input shaft includes connection tooth and synchronizer unit.
5. automatic mechanical transmission according to any one of claim 1 to 3, it is characterised in that the jackshaft and institute
It is to be disposed with synchronizer list on one-way clutch, and the dynamic branch line of institute to state the coupling assembly between the second input shaft
Unit.
6. automatic mechanical transmission according to any one of claim 1 to 3, it is characterised in that first input shaft
Speed between any jackshaft is than more than the speed ratio between the second input shaft and the jackshaft.
7. automatic mechanical transmission according to any one of claim 1 to 3, it is characterised in that second input shaft
It is quill shaft, the first input shaft passes through the second input shaft.
8. automatic mechanical transmission according to any one of claim 1 to 3, it is characterised in that second input shaft
It is connected or disconnects with the first input shaft by slip clutch, and then is connected or disconnects with driver.
9. automatic mechanical transmission according to any one of claim 1 to 3, it is characterised in that power drive mechanism is
Gear pair or Chain conveyer or V belt translation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611110705.4A CN106763727A (en) | 2016-12-06 | 2016-12-06 | A kind of automatic mechanical transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611110705.4A CN106763727A (en) | 2016-12-06 | 2016-12-06 | A kind of automatic mechanical transmission |
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| Publication Number | Publication Date |
|---|---|
| CN106763727A true CN106763727A (en) | 2017-05-31 |
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ID=58879163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611110705.4A Pending CN106763727A (en) | 2016-12-06 | 2016-12-06 | A kind of automatic mechanical transmission |
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| Country | Link |
|---|---|
| CN (1) | CN106763727A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050244A (en) * | 2017-12-05 | 2018-05-18 | 衡阳市锦泰工具有限公司 | The transmission system of folk art term position horse riding machine |
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2016
- 2016-12-06 CN CN201611110705.4A patent/CN106763727A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050244A (en) * | 2017-12-05 | 2018-05-18 | 衡阳市锦泰工具有限公司 | The transmission system of folk art term position horse riding machine |
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Application publication date: 20170531 |