CN203730710U - Mechanical transmission - Google Patents
Mechanical transmission Download PDFInfo
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- CN203730710U CN203730710U CN201420109261.2U CN201420109261U CN203730710U CN 203730710 U CN203730710 U CN 203730710U CN 201420109261 U CN201420109261 U CN 201420109261U CN 203730710 U CN203730710 U CN 203730710U
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Abstract
The utility model discloses a mechanical transmission which comprises an input shaft, a main clutch, an intermediate shaft I, an intermediate shaft II, an overrunning clutch and an output shaft. The input shaft is connected with a driving end of the main clutch, the intermediate shaft I is connected with a driven end of the main clutch, the driving end of the main clutch is connected with the intermediate shaft II, the intermediate shaft is connected with a driving end of the overrunning clutch, the intermediate shaft I is connected with the output shaft by a multi-level transmission gear, and a driven end of the overrunning clutch is connected with the output shaft; a gear engaging device is arranged on each gear of the multi-level transmission gear. The mechanical transmission has the advantages that all components of the mechanical transmission jointly form power transmission routes; power of a system can be possibly transmitted in the first transmission route comprising the input shaft, the main clutch, the intermediate shaft I and the output shaft and the second transmission route comprising the input shaft, the intermediate shaft II, the overrunning clutch and the output shaft, accordingly, the inherent shortcoming of inevitable power interruption during gear shifting of an automatic mechanical transmission (AMT) can be overcome, and the problem that precision lap joint control is required during power gear shifting of a dual-clutch transmission (DCT) can be solved.
Description
Technical field
The utility model relates to speed changer, relates in particular to mechanical transmission.
Background technique
Speed changer is one of key core parts of automobile, mainly contains at present several large classes such as traditional automatic transmission (AT), electric control mechanical type automatic speed variator/manual transmission (AMT/MT), double-clutch automatic gearbox (DCT) and stepless speed variator (CVT).
Main transmission part and the gearshift of AMT/MT are basic identical, have the advantages such as low cost, high efficiency, easy manufacture.Yet there is power interruption while being gearshift in its maximum shortcoming, thereby has limited the lifting of gear shift quality and car load power character.AT adopts the mode of epicyclic gearing more, and DCT adopts the fixed axis gear kind of drive, and both all control by the accurate overlap joint between two or more friction clutcches, realize the shift process of power failure-free.Though they have good shift quality, relative complex structure, component are many, control difficulty large.CVT adopts the fricting transmissioning modes such as band, chain, dish to realize variable transmission, but has the shortcomings such as transmitting torque is limited, high expensive, efficiency is on the low side.
For improving the problems such as shifting power interruption of AMT and MT, Huang waits people once to propose " the step type mechanical transmission of unpowered Transmission during a kind of gearshift " (patent 201020172696.3 etc.) eastwards.Its main points are to combine to replace synchronizer and the engaging sleeve in MT and AMT with the polymorphic controlled selector with shift fork ring etc. with certain free wheel type or free wheel device function, form to be a kind ofly suitable for manually, automatically or the novel step type mechanical transmission of auto-manual application.The main deficiency of this scheme is that the polymorphic controllable clutch number needing is more, and shift control mechanism is still more complicated etc.
Zhao Ke has just waited people once to propose " a kind of automatic transmission ".Its main points, in the put into gear gearshift power failure-free automatic transmission of function of a kind of band, with combined with the multi-range transmission of gearing device, realize the automatic gear change function of unpowered Transmission by the controlled selector group of multimode.The main deficiency of this scheme is that polymorphic controllable clutch mechanism is more complicated, realizes difficulty higher; Realizing this scheme needs the two polymorphic controlled selector of cover and a set of friction clutches, and gearshift actuator is more.
How improving transmission efficiency and shift quality, reduce and control difficulty and cost simultaneously, is the difficult problem that current automatic transmission development need cracks.
Model utility content
The purpose of this utility model is that a kind of mechanical transmission will be provided, to solve one or more in above-mentioned prior art problem.
According to an aspect of the present utility model, a kind of mechanical transmission is provided, comprising: input shaft, main clutch, jack shaft I, jack shaft II, free wheel device, output shaft; Input shaft is connected with the drive end of main clutch, jack shaft I is connected with the driven end of main clutch, the drive end of main clutch is connected with jack shaft II, jack shaft II is connected with free wheel device drive end, jack shaft I is connected with output shaft by multi-range transmission, and free wheel device driven end is connected with output shaft; Each blocks multi-range transmission and is provided with gearing device.
The above all parts of mechanical transmission of the present utility model form power transmission route jointly.System dynamic transmission has two kinds of possibilities: transfer route one, input shaft, main clutch, jack shaft I, output shaft; Transfer route two, input shaft, jack shaft II, free wheel device, output shaft.Be equipped with corresponding control strategy and electronic, hydraulic pressure or Pneumatic actuator, with the step type mechanical transmission mechanism collaborative work with gearing device; By control the appropriate action of put into gear operating mechanism, main clutch and prime mover throttle by particular order, realize the unbroken gearshift function of power transmission.Absorbing on the basis of the ripe drive technology of parallel axes-gear, in shift process through the transfer route one of main clutch and transfer route two alternations through free wheel device, the inherent defect that while both having overcome automatic mechanical transmission (AMT) gearshift, power must interrupt, the accurate overlap joint that must carry out while having avoided again double-clutch automatic transmission (DCT) power gear shifting is controlled
In some embodiments, between the drive end of input shaft, main clutch, jack shaft II and the drive end of free wheel device, by transmission device, connect, or, in this both or both above one-body molded.Thus, can reduce thus the number of components of assembly, make speed changer operation more stable.
In some embodiments, the front end of free wheel device or rear end are provided with single-stage driving device or with the multi-range transmission of gearing device.Single-stage driving device is the driving mechanism of fixed speed ratio, and Multi-stage transmission mechanism is the driving mechanism that can switch between a plurality of different speed ratios by gearshift.Thus, high speed brief biography be can mate respectively and the free wheel device of torque type or the free wheel device of the large carry-over moment type of low speed passed.
In some embodiments, also comprise odd number gear second level jack shaft and the even number gear second level jack shaft being connected with jack shaft II; Jack shaft I is connected by the first gating mechanism secondary with the first input gear of odd number gear second level jack shaft (lower abbreviation " odd number keeps off the first input gear pair ") or even number gear second level jack shaft the first input gear secondary (lower abbreviation " even number keeps off the first input gear pair "), and the driven end of free wheel device is connected by the second gating mechanism secondary with odd number gear second level jack shaft the second input gear (lower abbreviation " odd number keeps off the second input gear pair ") or even number gear second level jack shaft the second input gear secondary (lower abbreviation " even number keeps off the second input gear pair "); The other end of odd number gear second level jack shaft is connected with output shaft by multi-range transmission, and the even number gear second level jack shaft the other end is connected with output shaft by multi-range transmission.Thus, when speed changer has more multiple gear ratios (such as 7 grades or when above), can reduce the quantity of gear.
In some embodiments, also comprise odd number gear free wheel device and the even number gear free wheel device that is arranged at power transmission route; Jack shaft II is by the second gating mechanism and odd number gear second level jack shaft the second input gear pair or the even number gear second level secondary connection of jack shaft the second input gear, odd number gear second level jack shaft the second input gear is secondary to be connected with odd number gear free wheel device drive end, odd number gear free wheel device driven end is connected with odd number gear second level jack shaft, even number gear second level jack shaft the second input gear is secondary to be connected with even number gear free wheel device drive end, and even number gear free wheel device secondary part is connected with even number gear second level jack shaft.Odd number shelves free wheel device refers at the free wheel device in the odd gear power path such as 1,3,5.Even number shelves free wheel device refers to the free wheel device in the odd gear power path such as 2,4,6.Thus, contribute to reduce speed changer axial dimension, make speed changer integral body more exquisite.
In some embodiments, free wheel device is arranged at from input shaft, upstream or downstream through jack shaft II to the power transmission route of output shaft; Main clutch is arranged at from input shaft, upstream or downstream through jack shaft I to the power transmission route of output shaft.Thus, when selecting main clutch and free wheel device, can select the little torque type of high speed or low-speed and large-torque type.
In some embodiments, transmission device is partly or entirely to adopt gear-driven transmission device, partly or entirely adopt chaindriven transmission device, and partly or entirely adopts a kind of with in the transmission device of transmission.Thus, adopt chain transmission or can increase the centre distance between each transmission shaft with transmission, to be applicable to different arrangement requirement.
In some embodiments, main clutch is the clutch of dry clutch, wet clutch, magnetic clutch, hydraulic couplers or fluid torque converter, electric transmission clutch or hydraulic transmission mode.Thus, the maximum delivered moment of various clutches is different, and for the gearshift damping capacity difference of moment, transmission efficiency is different.Can meet the needs of different automobile types
In some embodiments, free wheel device is roller-type overrunning clutch, Wedge type over running clutch, engagement overdrive clutch or controllable overrunning clutch.Adopt controllable overrunning clutch, at clutch, when surmounting state, the driving component of clutch is disengaged, improve working life.Multi-form free wheel device cost performance is different, can select as required.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mechanical transmission of a kind of mode of execution of the utility model.
Fig. 2～Fig. 8 is the structural representation of the mechanical transmission of the other seven kinds of mode of executions of the utility model.
Embodiment
Below in conjunction with drawings and the specific embodiments, model utility is described in further detail to explanation.
Embodiment 1:
Fig. 1 has schematically shown the structure of the mechanical transmission of the present embodiment.
As shown in Figure 1, this mechanical transmission comprises input shaft 201, main clutch 500, jack shaft I202, jack shaft II203, free wheel device 600, synchronizer 400,401, driving gear pair 301,302 and 303,304, first gear pair 305,306, second gear pair 307,308, output shaft 204.Input shaft 201 is connected with the drive end of main clutch 500, and jack shaft II203 is connected with the drive end of free wheel device 600, and jack shaft I202 is connected with the driven end of main clutch 500, and main clutch 500 drive ends are connected with jack shaft II203.Jack shaft I202 is connected with output shaft 204 through being provided with multi-range transmission, synchronizer 401 and the shift gear pair of gearshift, and free wheel device 600 driven ends are connected with output shaft 204 by synchronizer 400.
Synchronizer 401 is hung while putting into a gear, and transfer route is once input shaft 201, main clutch 500, and jack shaft I202, first gear pair 305,306, until output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel;
Synchronizer 401 is hung while putting into two gears, and transfer route is once input shaft 201, main clutch 500, and jack shaft I202, second gear pair 307,308, until output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel;
When synchronizer 401 mediates, hang into neutral gear position, now transfer route one interrupts.
Between free wheel device 600 driven ends and output shaft 204, synchronizer 400 is set, the velocity ratio of the transfer route one when the velocity ratio of transfer route two is hung into a gear with synchronizer 400 equates.In shift process, transfer route two is through input shaft 201, jack shaft II203, free wheel device 600, output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel.
During vehicle start, main clutch 500 separation, synchronizer 400 is in neutral gear position, and synchronizer 401 is hung into a gear and is put, and now transfer route two interrupts.Progressively in conjunction with main clutch 500, power is through input shaft 201, main clutch 500, and jack shaft I202, first gear pair 305,306, output shaft 204 is sent to wheel, until the complete combination of main clutch 500, vehicle enters the gear normal state of travelling.
While needing upshift work under operating mode as driven, the velocity ratio of the transfer route one while hanging into a gear due to the velocity ratio of transfer route two with synchronizer 400 equates, synchronizer 400 two ends rotating speeds are identical, synchronizer 400 can be stirred left free wheel device 600 is connected with output shaft 204, and free wheel device 600 proceeds to bonding state simultaneously.
Separated main clutch 500 progressively subsequently, during transfer route one transmitting torque reduce gradually, transfer route two transmitting torques increase gradually, treat that main clutch 500 is completely separated, transfer route one is outputting power not, power is completely through transfer route two outputs.
Then synchronizer 401 is hung into two gears and is put, subsequently progressively in conjunction with main clutch 500, after the moment of torsion of main clutch 500 transmission increases to the level over power source output torque, input shaft 201 rotating speeds start to decline, the drive end of free wheel device 600 and driven end produce speed discrepancy, and free wheel device 600 automatically proceeds to and surmounts state.Power source outputting power will progressively switch back transfer route one, and power is through main clutch 500, jack shaft I202, and second gear pair 307,308, until output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel.Afterwards, can proceed to neutral gear position by control synchro 400, for gearshift is next time prepared.Vehicle enters the two gears normal state of travelling.
While needing downshift work under operating mode as driven, first in conjunction with synchronizer 400, separated main clutch 500 progressively again, there is sliding wear in main clutch 500, now again by initiatively improving input shaft 201 rotating speeds, until after the main secondary part rotating speed of free wheel device 600 is identical, free wheel device 600 will proceed to bonding state.After the thorough separation of main clutch 500, power will be switched to transfer route two.Synchronizer 401 is separated and access a gear and put from two gears, more gradually in conjunction with main clutch 500, finally exits synchronizer 400, and downshift process completes, and automobile enters the normal travelling state of a gear.
Counter, drag while needing to shift gears work under operating mode, free wheel device 600 is always in surmounting state, and transfer route two interrupts, and under this operating mode, this shift of transmission working procedure is identical with automatic mechanical transmission (abbreviation AMT).Take the anti-operating mode downshift of dragging as example, and vehicle travels at two gears, progressively separated main clutch 500, until hanging into a gear, puts by the complete after separating synchronizer 400 of main clutch 500, gradually in conjunction with main clutch 500, downshift process completes again, and automobile enters the normal travelling state of a gear.
Automobile travels while need stopping at certain gear, separated main clutch 500, synchronizer 401 is hung into neutral gear position, subsequently can abrupt deceleration vehicle until stop.
The front end of free wheel device or rear end can arrange single-stage driving device or with the multi-range transmission of gearing device.Single-stage driving device is the driving mechanism of fixed speed ratio, and Multi-stage transmission mechanism is the driving mechanism that can switch between a plurality of different speed ratios by gearshift.
In the present embodiment, transmission device is that part adopts gear-driven transmission device.In other embodiments, transmission device can also be all to adopt gear-driven transmission device, partly or entirely adopt chaindriven transmission device, and partly or entirely adopts a kind of with in the transmission device of transmission.
In the present embodiment, main clutch 500 is dry clutches.In other embodiments, main clutch 500 can also be other clutches such as clutch of wet clutch, magnetic clutch, hydraulic couplers or fluid torque converter, electric transmission clutch or hydraulic transmission mode.
In the present embodiment, free wheel device is roller-type overrunning clutch.In other embodiments, free wheel device can also be the free wheel device of other types such as Wedge type over running clutch, engagement overdrive clutch or controllable overrunning clutch.
In the present embodiment, main clutch 500 is arranged on from input shaft 201, upstream through jack shaft I202 to the power transmission route of output shaft 204, in other embodiments, main clutch 500 also can be arranged on from input shaft 201, the downstream through jack shaft I202 to the power transmission route of output shaft 204.
In the present embodiment, between the drive end of the drive end of input shaft 201, main clutch 500, jack shaft II203 and free wheel device 600, by transmission device, connect.In other embodiments, in this both or both above can also be integrated.
Embodiment 2:
Fig. 2 has schematically shown the structure of the mechanical transmission of the present embodiment.
As shown in Figure 2, the mechanical structure of this mechanical transmission is identical with embodiment 1.The velocity ratio of transfer route one when the present embodiment and embodiment's 1 difference is that the velocity ratio of transfer route two is slightly larger than synchronizer 401 and hangs into a gear.
This mechanical transmission at vehicle start, drive downshift, the anti-upshift, the anti-operating mode working procedure such as downshift and parking of dragging of dragging all identical with embodiment 1.
While needing upshift work under operating mode as driven, the velocity ratio of transfer route one when being slightly larger than synchronizer 401 and hanging into a gear due to the velocity ratio of transfer route two, from speed ratio relation, now free wheel device 600 is still in surmounting state, and power is still just through transfer route one output.
Separated main clutch 500 progressively subsequently, power source speed rises, when free wheel device 600 Internal and external cycle rotating speeds are when identical, free wheel device 600 proceeds to bonding state, after this transfer route one transmitting torque reduces gradually, and transfer route two transmitting torques increase gradually, treats that main clutch 500 is completely separated, transfer route one power interruption, power is completely through transfer route two outputs.
Then synchronizer 401 is hung into two gears and is put, subsequently progressively in conjunction with main clutch 500, when the moment of torsion transmitting when main clutch 500 increases to and is on close level with power source output torque, free wheel device 600 automatically proceeds to and surmounts state, be subject to transmission speed ratio relation constraint, power source speed declines, vehicle wheel rotational speed kept stable, and power source outputting power will automatically switch to two gear loops, power is through main clutch 500, jack shaft I202, second gear pair 307,308, output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel.Vehicle enters the two gears normal state of travelling.
Embodiment 3:
Fig. 3 has schematically shown the structure of the mechanical transmission of the present embodiment.
As shown in Figure 3, this mechanical transmission comprises input shaft 201, main clutch 500, jack shaft I202, jack shaft II203, controllable overrunning clutch 601, synchronizer 401, driving gear pair 301,302 and 303,304, first gear pair 305,306, second gear pair 307,308, output shaft 204.The drive end of the drive end of input shaft 201 and main clutch 500, jack shaft II203, controllable overrunning clutch 601 is connected, and jack shaft I202 is connected with main clutch 500 driven ends.Jack shaft I202 is connected with output shaft 204 with shift gear pair through being provided with the multi-range transmission of gearshift, and the driven end of controllable overrunning clutch 601 is connected with output shaft 204.
When synchronizer 401 is hung into a gear, transfer route is once input shaft 201, main clutch 500, jack shaft I202, first gear pair 305,306, output shaft 204; Power outputs to main reducing gear-differential mechanism again and is sent to wheel. and when synchronizer 401 is hung into two gears, transfer route is once input shaft 201, main clutch 500, jack shaft I202, second gear pair 307,308, output shaft 204; Power outputs to main reducing gear-differential mechanism again and is sent to wheel.Synchronizer 401 mediates, and hangs into neutral gear position, and now transfer route one interrupts.
Between jack shaft II203 and output shaft 204, controllable overrunning clutch 601 is set, the velocity ratio of the transfer route one when the velocity ratio of transfer route two is hung into a gear with synchronizer 401 equates.In shift process, transfer route two is through input shaft, jack shaft II203, controllable overrunning clutch 601, output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel
Controllable overrunning clutch 601 its controllabilitys are embodied in and free wheel device are had enable and two kinds of mode of operations of anergy.Under enable mode, can carry-over moment on single direction, in another direction, freely rotate similar common free wheel device.And when under anergy pattern, two-way all carry-over moments not, free to rotate, the function of similar rolling bearing.
During vehicle start, main clutch 500 separation, controllable overrunning clutch 601 enters anergy pattern, and synchronizer 401 is hung into a gear and is put, and transfer route two interrupts.Progressively in conjunction with main clutch 500, power is through input shaft 201, main clutch 500, and jack shaft I202, first gear pair 305,306, output shaft 204 is sent to wheel, until the complete combination of main clutch 500, vehicle enters the gear normal state of travelling.
While needing upshift work under operating mode as driven, first enable controllable overrunning clutch 601, the velocity ratio of the transfer route one while hanging into a gear due to velocity ratio and the synchronizer 401 of transfer route two equates, controllable overrunning clutch 601 proceeds to bonding state.
Separated main clutch 500 progressively subsequently, during transfer route one transmitting torque reduce gradually, transfer route two transmitting torques increase gradually, treat that main clutch 500 is completely separated, transfer route one power interruption, power is completely through transfer route two outputs.
Then synchronizer 401 is hung into two gears and is put, subsequently progressively in conjunction with main clutch 500, when the moment of torsion transmitting when main clutch 500 increases to and is on close level with power source output torque, controllable overrunning clutch 601 automatically proceeds to and surmounts state, be subject to transmission speed ratio relation constraint, power source speed declines, vehicle wheel rotational speed kept stable, and power source outputting power will automatically switch to two gear loops, power is through main clutch 500, jack shaft I202, second gear pair 307,308, output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel.After having shifted gears, for protection controllable overrunning clutch 601, reset to anergy pattern, vehicle enters the two gears normal state of travelling.
While needing downshift work under operating mode as driven, again enable controllable overrunning clutch 601, main clutch 500 is progressively separated, there is sliding wear in main clutch 500, now again by initiatively improving power source speed, until after controllable overrunning clutch 601 inside and outside ring rotating speeds move closer to, power will be switched to a gear speed ratio.After the thorough separation of main clutch 500, synchronizer 401 is from two gears separation and access a gear, more gradually in conjunction with main clutch 500, downshift process completes, and automobile enters the normal travelling state of a gear.
Counter, drag while needing to shift gears work under operating mode, controllable overrunning clutch 601 is always in surmounting state, and transfer route two interrupts, and under this operating mode, this shift of transmission working procedure is identical with AMT.Take the anti-downshift of dragging as example, and vehicle travels at two gears, separated main clutch 500 progressively, until complete separated synchronizer 401 exits two gears and hang into a gear and put, more gradually in conjunction with main clutch 500, downshift process completes, and automobile enters the normal travelling state of a gear.
Automobile travels while need stopping at certain gear, separated main clutch 500, and controllable overrunning clutch 601 enters anergy pattern, and synchronizer 401 is hung into neutral neutral position, and abrupt deceleration vehicle is until stop subsequently.
Embodiment 4:
Fig. 4 has schematically shown the structure of the mechanical transmission of the present embodiment.
As shown in Figure 4, this mechanical transmission comprises input shaft 201, main clutch 500, jack shaft I202, jack shaft II203, jack shaft III205, controllable overrunning clutch 601, synchronizer 401-405, output shaft 204, driving gear pair 301,302 and 303,304, the multiplexing gear pair 309,310,322 of multiplexing gear pair multiplexing gear pair 307,308,320, three gear of 305,306,318, two gear of one gear, multiplexing gear pair 311,312,324, five gear gear pair 313,314 and the reverse gear pairs 315,316,317 of four gears.Jack shaft I202 is connected with main clutch 500 driven ends, and input shaft 201 is connected with the drive end of main clutch 500 drive ends, jack shaft II203, controllable overrunning clutch 601.Jack shaft I202, controllable overrunning clutch 601 driven ends are connected through driving gear pair 303,304 with jack shaft III205, and jack shaft I202 is connected with output shaft 204 through being provided with the multi-range transmission of gearshift respectively with jack shaft III205.
This is designed to the transmission design of 5 five forwards+reverse gear, and adopts the multiplexing method of gear.Synchronizer 401-403 is arbitrary while hanging into certain gear, and transfer route is once input shaft 201, main clutch 500, jack shaft I202, output shaft 204; Synchronizer 401-403 all mediates, and hangs into neutral gear position, and now transfer route one interrupts.
The combination of gear pair+synchronizer is set between controllable overrunning clutch 601 driven ends and output shaft, and the velocity ratio between the multiplexing gear pair of gear equates.In shift process, transfer route two is through input shaft 201, jack shaft II203, controllable overrunning clutch 601, jack shaft III205, output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel
Controllable overrunning clutch 601 its controllabilitys are embodied in and free wheel device are had enable and two kinds of mode of operations of anergy.Under enable mode state, carry-over moment on single direction, freely rotates in another direction, similar common free wheel device.And when under anergy pattern, two-way all carry-over moments not, free to rotate, the function of similar rolling bearing.
During vehicle start, main clutch 500 separation, controllable overrunning clutch 601 enters anergy pattern, and synchronizer 401 is hung into a gear and is put, and transfer route two interrupts.Progressively in conjunction with main clutch 500, power is through input shaft 201, main clutch 500, and jack shaft I202, first gear pair 306,305, output shaft 204 is sent to wheel, until the complete combination of main clutch 500, vehicle enters the low gear normal state of travelling.
While needing upshift work under operating mode as driven, it is example explanation that the gear of take rises two gears, synchronizer 404 is stirred left and gear 318 combinations, and enable controllable overrunning clutch 601, the velocity ratio of the transfer route one while hanging into a gear due to the velocity ratio of transfer route two with synchronizer equates, controllable overrunning clutch 601 proceeds to bonding state.
Separated main clutch 500 progressively subsequently, during transfer route one transmitting torque reduce gradually, transfer route two transmitting torques increase gradually, treat that main clutch 500 is completely separated, transfer route one power interruption, power is completely through transfer route two outputs.
Then synchronizer 401 exits a gear and hangs into two gears and put, subsequently progressively in conjunction with main clutch 500, when the moment of torsion transmitting when main clutch 500 increases to and is on close level with power source output torque, controllable overrunning clutch 601 automatically proceeds to and surmounts state, be subject to transmission speed ratio relation constraint, power source speed declines, vehicle wheel rotational speed kept stable, and power source outputting power will automatically switch to two gear loops, power is through main clutch 500, jack shaft I202, second gear is secondary, output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel.After having shifted gears, for protection controllable overrunning clutch 601, reset to anergy pattern, vehicle enters the two gears normal state of travelling.
The like, along with the rising of the speed of a motor vehicle can be taked corresponding upshift action by demand.
When needs are by trip stopping action while needing with adaptation condition, two gears of take skip to four gears as example explanation, and vehicle is when two gear states travel, and power is through input shaft 201, main clutch 500, jack shaft I202, second gear pair 308,307, output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel, and now synchronizer 401 is put in two gears.
Synchronizer 404 is stirred to the right and gear 320 combinations, and enables controllable overrunning clutch 601, and the velocity ratio of the transfer route one while hanging into two gears due to velocity ratio and the synchronizer 401 of transfer route two equates, controllable overrunning clutch 601 proceeds to bonding state.Separated main clutch 500 progressively, during transfer route one transmitting torque reduce gradually, transfer route two transmitting torques increase gradually, treat that main clutch 500 is completely separated, transfer route one power interruption, power is completely through transfer route two outputs.
Then synchronizer 401 is hung into neutral gear position and synchronizer 402 and is hung into four gears and put, progressively in conjunction with main clutch 500, when the moment of torsion transmitting when main clutch 500 increases to and is on close level with power source output torque, controllable overrunning clutch 601 automatically proceeds to and surmounts state, be subject to transmission speed ratio relation constraint, power source speed declines, vehicle wheel rotational speed kept stable, power source outputting power will automatically switch to four gear loops, power is through main clutch, jack shaft III202, four gear gear pairs 312,311, until output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel.After having shifted gears, for protection controllable overrunning clutch 601, reset to anergy pattern, vehicle enters the four gears normal state of travelling.
The like, along with the rising of the speed of a motor vehicle can be taked the action of trip stopping accordingly by demand.
While needing downshift work under operating mode as driven, two gears of take fall a gear as example, synchronizer 404 in advance with first gear 318 combinations, again enable controllable overrunning clutch 601, main clutch 500 is progressively separated, and sliding wear occurs main clutch 500, now again by initiatively improving power source speed, until after controllable overrunning clutch 601 inside and outside ring rotating speeds move closer to, power will be switched to a gear loop.After the thorough separation of main clutch 500, synchronizer is from two gears separation and access a gear, more gradually in conjunction with main clutch 500, downshift process completes, and automobile enters the normal travelling state of low gear.
Counter, drag while needing to shift gears work under operating mode, controllable overrunning clutch 601 is always in surmounting state, and transfer route two interrupts, and under this operating mode, this speed changer working principle is identical with AMT.Take and instead drag two gears under operating mode to fall a gear as example, vehicle travels in high gear, progressively separated main clutch 500, until completely separated, synchronizer 401, exits two gears and hangs into a gear and put, gradually in conjunction with main clutch 500, downshift process completes again, and automobile enters the normal travelling state of low gear.
The like, along with the variation of the speed of a motor vehicle can be taked corresponding downshift action by demand.
Automobile travels while need stopping at certain gear, separated main clutch 500, and controllable overrunning clutch 601 is in anergy pattern, and synchronizer is all hung into neutral gear position, and abrupt deceleration vehicle is until stop subsequently.
Embodiment 5:
Fig. 5 has schematically shown the structure of the mechanical transmission of the present embodiment.
As shown in Figure 5, this mechanical transmission comprises input shaft 201, main clutch 500, jack shaft I202, jack shaft II203, controllable overrunning clutch 601, synchronizer 401,402, driving gear pair 301,302 and 303,304, first gear pair 305,306, second gear pair 307,308, three gear gear pairs 309,310, four gear gear pairs 311,312, output shaft 204.Jack shaft I202 is connected with the driven end of main clutch 500, and the drive end of the drive end of input shaft 201 and main clutch 500, jack shaft II203, controllable overrunning clutch 601 is connected.Jack shaft I202 is connected with output shaft 204 through being provided with the multi-range transmission of gearshift, and the driven end of controllable overrunning clutch 601 is connected with output shaft 204.
Synchronizer is hung while keeping off into certain, and transfer route is once input shaft 201, main clutch 500, and jack shaft I202, output shaft 204, differential mechanism-main reducing gear are sent to wheel; When synchronizer all mediates, hang into neutral gear position, now transfer route one interrupts.
Between jack shaft II203 and output shaft 204, controllable overrunning clutch 601 is set, the velocity ratio of the transfer route one when the velocity ratio of transfer route two is hung into a gear with synchronizer equates.In shift process, transfer route two is through input shaft 201, jack shaft II203, controllable overrunning clutch 601, output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel.
During vehicle start, main clutch 500 separation, synchronizer 401 is hung into a gear and is put, and controllable overrunning clutch 601 enters anergy pattern, and transfer route two interrupts.Progressively in conjunction with main clutch 500, power is through input shaft 201, main clutch 500, and jack shaft I202, first gear pair 305,306, output shaft 204 is sent to wheel, until the complete combination of main clutch 500, vehicle enters the low gear normal state of travelling.
While needing upshift work under operating mode as driven, need optionally discuss:
When vehicle one gear rises two gears, first enable controllable overrunning clutch 601, the velocity ratio of the transfer route one while hanging into a gear due to velocity ratio and the synchronizer of transfer route two equates, controllable overrunning clutch 601 proceeds to bonding state.
Separated main clutch 500 progressively subsequently, during transfer route one transmitting torque reduce gradually, transfer route two transmitting torques increase gradually, treat that main clutch 500 is completely separated, transfer route one power interruption, power is completely through transfer route two outputs.
Then synchronizer 401 is hung into two gears and is put, subsequently progressively in conjunction with main clutch 500, when the moment of torsion transmitting when main clutch 500 increases to and is on close level with power source output torque, controllable overrunning clutch 601 automatically proceeds to and surmounts state, be subject to transmission speed ratio relation constraint, power source speed declines, vehicle wheel rotational speed kept stable, and power source outputting power will automatically switch to 2 speed gear loops, power is through main clutch 500, jack shaft I202, second gear pair 307,308, output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel.After having shifted gears, for protection controllable overrunning clutch 601, reset to anergy pattern, vehicle enters the two gears normal state of travelling.
When vehicle two gears rise three gears, the velocity ratio of transfer route one when being greater than synchronizer 401 and hanging into two gears due to the velocity ratio of transfer route two, controllable overrunning clutch 601 proceeds to enable mode, from speed ratio relation, now controllable overrunning clutch 601 is still in surmounting state, and power is still just through transfer route one output.
Separated main clutch 500 keep suitable conjugation grade sliding wear progressively subsequently, power source speed rises, when controllable overrunning clutch 601 Internal and external cycle rotating speeds are when identical, controllable overrunning clutch 601 proceeds to bonding state, after this transfer route one transmitting torque reduces gradually, and transfer route two transmitting torques increase gradually, treats that main clutch 500 is completely separated, transfer route one power interruption, power is completely through transfer route two outputs.
Then synchronizer 401 exits two gears, synchronizer 402 is hung into three gears and is put, progressively in conjunction with main clutch 500, when the moment of torsion transmitting when main clutch 500 increases to and is on close level with power source output torque, controllable overrunning clutch 601 automatically proceeds to and surmounts state, be subject to transmission speed ratio relation constraint, power source speed declines, vehicle wheel rotational speed kept stable, power source outputting power will automatically switch to three gear loops, and power is through main clutch 500, jack shaft I202, three gear gear pairs 309,310, output shaft 204.Power outputs to main reducing gear-differential mechanism again and is sent to wheel.After having shifted gears, for protection controllable overrunning clutch 601, reset to anergy pattern, for gearshift next time is prepared.Vehicle enters the three gears normal state of travelling.
Vehicle three gears rise four gear situations and two gear liter three gear working procedure are similar.
While needing downshift work under operating mode as driven, again enable controllable overrunning clutch 601, main clutch 500 is progressively separated, there is sliding wear in main clutch 500, now again by initiatively improving power source speed, until after controllable overrunning clutch 601 inside and outside ring rotating speeds move closer to, power will be switched to low gear speed ratio.After the thorough separation of main clutch 500, synchronizer 401 or 402 is from top gear separation and access bottom gear, more gradually in conjunction with main clutch 500, downshift process completes, and automobile enters the normal travelling state of low gear.
Counter, drag while needing to shift gears work under operating mode, controllable overrunning clutch 601 is always in surmounting state, and transfer route two interrupts, and under this operating mode, this speed changer working principle is identical with AMT.Counter two gears that drag of take fall a gear as example, and vehicle travels at two gears, separated main clutch 500 progressively, until completely separated, synchronizer 401 is hung into a gear and is put, more gradually in conjunction with main clutch 500, downshift process completes, and automobile enters the normal travelling state of low gear.
Automobile travels while need stopping at certain gear, separated main clutch 500, and controllable overrunning clutch 601 is in anergy pattern, and synchronizer is all hung into neutral gear position, and abrupt deceleration vehicle is until stop subsequently.
Embodiment 6:
Fig. 6 has schematically shown the structure of the mechanical transmission of the present embodiment.
As shown in Figure 6, this mechanical transmission comprises input shaft 201, main clutch 500, the jack shaft I202 being connected with main clutch 500 driven ends, the jack shaft II203 and the free wheel device 600 that are connected with main clutch 500 drive ends, synchronizer 406-409, even number keeps off the first input gear secondary 325 and 326, odd number keeps off the first input gear secondary 327 and 328, even number keeps off the second input gear secondary 329 and 330, odd number keeps off the second input gear secondary 331 and 332, first gear pair 333, 334, second gear pair 337, 338, three gear gear pairs 335, 336, four gear gear pairs 339, 340, odd number gear second level jack shaft 207 and even number gear second level jack shaft 206, output shaft 204.Jack shaft I202 is connected with even number gear second level jack shaft 206 with odd number gear second level jack shaft 207 through being provided with the transmission device of the first gating mechanism, and jack shaft II203 is connected with even number gear second level jack shaft 206 with odd number gear second level jack shaft 207 with free wheel device 600 through being provided with the transmission device of the second gating mechanism.After odd number gear second level jack shaft 207 is connected multi-range transmission separately with even number gear second level jack shaft 206, parallel join is in output shaft 204.Each gear of multi-range transmission is provided with gearing device, and above all parts form power transmission route jointly.System dynamic transmission has two kinds of possibilities: transfer route one, input shaft 201, main clutch 500, jack shaft I202, odd number gear second level jack shaft 207 or even number gear second level jack shaft 206, output shaft 204; Transfer route two, input shaft 201, jack shaft II203, free wheel device 600, odd number gear second level jack shaft 207 or even number gear second level jack shaft 206, output shaft 204.
When automobile in-place is static, engine idling operation, synchronizer 406-409 all mediates, and speed change is in neutral gear position.Now no matter whether combination of main clutch 500, now power cannot output to wheel by speed changer.
When automobile need to be started to walk, first separated main clutch 500, synchronizer 406 moves right and gear 328 combinations, and synchronizer 408 is moved to the left and gear driving gear 334 combinations simultaneously.Due to not combination of main clutch 500, now not output of power.
Because speed changer has been hung into a gear, along with gradually in conjunction with main clutch 500, power is by the jack shaft I202 via being connected with main clutch 500 driven ends, synchronizer 406, odd number keeps off the first input gear pair 327,328, odd number gear second level jack shaft 207, synchronizer 408, first gear is secondary, finally by output shaft 204, is exported.Along with outputting power increases gradually, overcome breakaway force, vehicle starting completes.
Along with the raising of automobile speed, speed changer need to rise up into two gear work by a gear.Now main clutch 500 is still in bonding state, and jack shaft I202 is identical with jack shaft II203 rotating speed.Due to odd number, to keep off the velocity ratio that velocity ratio between the first input gear pair 327,328 and odd number keep off between the second input gear pair 331,332 identical, therefore gear 332 is identical with gear 328 rotating speeds.Now can moving right and gear 332 combinations by control synchro 407, synchronizes with gear 332 in the outer ring of free wheel device 600, and inner ring is synchronizeed with axle 202.Because the Internal and external cycle rotating speed of free wheel device 600 is identical, now free wheel device 600 enters the transferring power state of preparing.Control subsequently main clutch 500 progressively separated, according to the known transfer route now of the characteristic of free wheel device 600, switch to: by the jack shaft II203 being connected with main clutch 500 drive ends, free wheel device 600, synchronizer 407, odd number keeps off the second input gear pair 331,332, odd number gear second level jack shaft 207, first gear pair 333,334, output shaft 204 outputs.After the complete separation of main clutch 500, jack shaft I202 is transferring power no longer.Then control synchro 406 is moved to the left, and synchronizer 406 first departs from and the contacting of gear 328, and behind neutral position, with gear 326 combinations, synchronizer 409 is moved to the left and the pre-combination of two gear driving gears 338.Subsequently, main clutch 500 combination gradually, due to the existence of one, two gear transmission ratios, power source speed declines, the rotating speed of the jack shaft II203 being connected with power source declines simultaneously, and now free wheel device 600 inner ring rotating speeds are less than outer ring rotating speed, will automatically proceed to and surmount state.Odd number gear second level jack shaft 207 and free wheel device 600 be transferring power no longer, power is via main clutch 500, the jack shaft I202 being connected with the driven end of main clutch 500, synchronizer 406, even number keeps off the first input gear pair 325,326, even number gear second level jack shaft 206, second gear pair 337,338, output shaft 204 outputs.Then control system control synchro 408 moves to right, and to get back to neutral position separated with a gear driving gear 334, and synchronizer 407 moves to left, and to get back to neutral position separated with gear 332, and upshift process completes.In upshift process, although main clutch 500 has separation-cohesive process, have one through the transfer route of free wheel device 600 simultaneously, therefore in shift process without the common power interruption phenomenon of AMT.
Along with the continuation raising of automobile speed, speed changer need to rise up into three gear work by two gears.Control synchro 407 and gear 330 combinations, control subsequently main clutch 500 separation, because even number keeps off the second input gear pair 329,330, keep off the first input gear pair 325,326 speed ratios with even number and equate, according to the known power now of the characteristic of free wheel device 600 by the jack shaft II203 being connected with main clutch 500 drive ends, free wheel device 600, even number keeps off the second input gear pair 329,330, even number gear second level jack shaft 206, second gear pair 337,338, output shaft 204 outputs, then control synchro 406 and gear 328 combinations, synchronizer 408 and three gear gears 336 are pre-in conjunction with hanging into three gears, combination gradually along with main clutch 500, free wheel device 600 surmounts automatically, power is via being connected jack shaft I202 with main clutch 500 driven ends, synchronizer 406, odd number keeps off the first input gear pair 327, 328, odd number gear second level jack shaft 207, three gear gear pairs 335, 336, output shaft 204 outputs, then control system control synchro 409 is separated with second gear 338, synchronizer 407 is separated with gear 330, power failure-free upshift process completes.The like, speed change can complete multi-gear transmission transmission agency according to gear order, and possesses power failure-free upshift process function.
When vehicle front runs into obstacle, driver brakes and reduces the speed of a motor vehicle or automobile enters continuous descending, and while needing motor that the situations such as braking force are provided, speed changer need to reduce gear work, below take three gears and falls into two gears as example explanation downshift process.
Car deceleration downshift situation, controls main clutch 500 separation, and then control synchro 406 is separated with gear 328, control synchro 408 is separated with three gear gears 336, now there is no power output.Control synchro 406 and gear 326 combinations, synchronizer 409 and second gear 338 combinations subsequently, along with main clutch 500 combination gradually, downshift process completes.
But under some occasion, driver realizes downshift function in accelerating process, control mode is now: first complete put into gear action synchronizer 407 and gear 330 combinations, synchronizer 409 and the pre-combination of second gear 338, main clutch 500 separation subsequently, after this power keeps off the second input gear pair 329,330 by the jack shaft II203, free wheel device 600, the even number that are connected with main clutch 500 drive ends, even number gear second level jack shaft 206, second gear pair 337,338, output shaft 204 outputs; Synchronizer 408 is separated with three gear gears 336 subsequently, then control synchro 406 and gear 326 combinations, more gradually in conjunction with main clutch 500, downshift process completes.Finally can synchronizer 407 is separated with gear 330.
Embodiment 7:
Fig. 7 has schematically shown the structure of the mechanical transmission of the present embodiment.
As shown in Figure 7, this mechanical transmission comprises input shaft 201, main clutch 500, the jack shaft I202 being connected with main clutch 500 driven ends, the free wheel device 600 being connected with input shaft 201, synchronizer 406, 410-414, even number keeps off the first input gear pair 325, 326 and odd number keep off the first input gear pair 327, 328, the multiplexing gear pair 341 of transmission, 342, 343, first gear pair 349, 352, second gear pair 347, 350, three gear gear pairs 347, 348, four gear gear pairs 344, 345, five gear gear pairs 345, 346, reverse gear pair 351, 353, 354, odd number gear second level jack shaft 207 and even number gear second level jack shaft 206, reverse gear shaft 208, output shaft 204.Input shaft 201 is connected with the drive end of main clutch 500 and is connected with even number gear second level jack shaft 206 with odd number gear second level jack shaft 207 through free wheel device 600 and the transmission device that is provided with the first gating mechanism, and the jack shaft I202 being connected with the driven end of main clutch 500 keeps off second level jack shaft 206 with odd number gear second level jack shaft 207 with even number and is connected through being provided with the transmission device of the first gating mechanism.After odd number gear second level jack shaft 207 is connected multi-range transmission separately with even number gear second level jack shaft 206, parallel join is in output shaft 204, and wherein, two gears and three keep off, four gears are multiplexing with five gear output gears.
Each gear of multi-range transmission is provided with gearing device, and above all parts form power transmission route jointly.System dynamic transmission has two kinds of possibilities: transfer route one, input shaft 201, main clutch 500, jack shaft I202, odd number gear second level jack shaft 207 or even number gear second level jack shaft 206, output shaft 204; Transfer route two, input shaft 201, free wheel device 102, odd number gear second level jack shaft 207 or even number gear second level jack shaft 206, output shaft 204.
When automobile in-place is static, engine idling operation, synchronizer 406,410-414 all mediate, and speed changer is in neutral gear position.Now no matter whether combination of main clutch 500, now power cannot output to wheel by speed changer.
When automobile need to be started to walk, first separated main clutch 500, synchronizer 406 is moved to the left and gear 328 combinations, and synchronizer 412 moves right and first gear 349 combinations simultaneously.Due to not combination of main clutch 500, now not output of power.
Because speed changer has been hung into a gear, along with gradually in conjunction with main clutch 500, the jack shaft I202 that power is connected the driven end via with main clutch 500, synchronizer 406, odd number gear second level jack shaft 207, first gear pair 349,352, synchronizer 412, is finally exported by output shaft 204.Along with outputting power increases gradually, overcome breakaway force, vehicle starting completes.
Along with the raising of automobile speed, speed changer need to rise up into two gear work by a gear.Now main clutch 500 is still in bonding state, and input shaft 201 is identical with jack shaft I202 rotating speed.The velocity ratio keeping off between the first input gear pair 327,328 due to odd number is identical with the velocity ratio between gear 341,342, therefore that gear 341 and odd number keep off secondary 327 rotating speeds of the first input gear is identical.Now can moving right and gear 341 combinations by control synchro 413, synchronizes with gear 342 in the outer ring of free wheel device 600, and the inner ring of free wheel device 600 is synchronizeed with input shaft 201.Because the Internal and external cycle rotating speed of free wheel device 600 is identical, now free wheel device 600 enters the transferring power state of preparing.Control subsequently main clutch 500 progressively separated, according to the known transfer route now of the characteristic of free wheel device, switch to: input shaft 201, free wheel device 600, synchronizer 413, odd number gear second level jack shaft 207, first gear pair 349,352, output shaft 204 outputs.After the complete separation of main clutch 500, jack shaft II203 is transferring power no longer.Then control synchro 406 is moved to the left, and behind neutral position, with gear 326 combinations, synchronizer 411 moves right and the pre-combination of two gear driving gears 350.Subsequently, main clutch 500 combination gradually, due to the existence of one, two gear transmission ratios, power source speed declines, the rotating speed of the input shaft 201 being connected with power source declines simultaneously, and now free wheel device 600 inner ring rotating speeds are less than outer ring rotating speed, will automatically proceed to and surmount state.Odd number gear second level jack shaft 207 and free wheel device 600 be transferring power no longer, and power is via main clutch 500, the jack shaft I202 being connected with the driven end of main clutch 500, synchronizer 406, even number gear second level jack shaft 206, second gear pair 347,350, output shaft 204 outputs.Then control system control synchro 412 moves to left, and to get back to neutral position separated with first gear 349, and synchronizer 413 moves to left and gets back to neutral position, and upshift process completes.In upshift process, although main clutch 500 has separation-cohesive process, have one through the transfer route of free wheel device 600 simultaneously, therefore in shift process without the common power interruption phenomenon of AMT.
Along with the continuation raising of automobile speed, speed changer need to rise up into three gear work by two gears.Control synchro 414 and gear 343 combinations, control subsequently main clutch 500 separation, because keeping off the first input gear pair 325,326 speed ratios, gear pair 342,343 and even number equate, according to the known power now of the characteristic of free wheel device 600 by input shaft 201, free wheel device 600, even number gear second level jack shaft 206, second gear pair 347,350, output shaft 204 outputs; Then control synchro 406 is stirred left and gear 328 combinations, synchronizer 410 and three gear gears 348 are pre-in conjunction with hanging into three gears, combination gradually along with main clutch 500, free wheel device 600 surmounts automatically, power is connected jack shaft I202 via the driven end with main clutch 500, synchronizer 406, odd number gear second level jack shaft 207, three gear gear pairs 347,348, output shaft 204 outputs, then control system control synchro 411 is hung into neutral gear position, synchronizer 414 is also hung into neutral gear position, and upshift process completes.The like, speed change can complete multi-gear transmission transmission agency according to gear order, and possesses power failure-free upshift process function.
When vehicle front runs into obstacle, driver brakes and reduces the speed of a motor vehicle or automobile enters continuous descending, and while needing motor that the situations such as braking force are provided, speed changer need to reduce gear work, below take three gears and falls into two gears as example explanation downshift process.
Car deceleration downshift situation, controls main clutch 500 separation, and then control synchro 406 is separated with gear 328, control synchro 410 is separated with three gear gears 348, now there is no power output.Control synchro 406 and gear 326 combinations, synchronizer 411 and second gear 350 combinations subsequently, along with main clutch 500 combination gradually, downshift process completes.
But under some occasion, driver realizes downshift function in accelerating process, control mode is now: first complete put into gear action synchronizer 414 and gear 343 combinations, synchronizer 411 and the pre-combination of second gear 350, main clutch 500 separation subsequently, after this power is by input shaft 201, free wheel device 600, even number gear second level jack shaft 206, second gear pair 347,350, output shaft 204 outputs; Synchronizer 410 is separated with three gear gears 348 subsequently, then control synchro 406 and gear 326 combinations, more gradually in conjunction with main clutch 500, downshift process completes.Finally can synchronizer 414 is separated with gear 343, synchronizer 410 is separated with three gear gears 348.
Embodiment 8:
Fig. 8 has schematically shown the structure of the mechanical transmission of the present embodiment.
As shown in Figure 8, this mechanical transmission comprises input shaft 201, main clutch 500, the jack shaft II203 being connected with main clutch 500 drive ends, the jack shaft I202 being connected with main clutch 500 driven ends, synchronizer 406, 410, 411, 415, even number keeps off the first input gear pair 325, 326, odd number keeps off the first input gear pair 327, 328, even number keeps off the second input gear pair 329, 330 and odd number keep off the second input gear pair 331, 332, first gear pair 333, 334, second gear pair 335, 336, three gear gear pairs 337, 338, four gear gear pairs 339, 340.Odd number gear second level jack shaft 207 and even number gear second level jack shaft 206, the first free wheel device 103 and the second free wheel device 104 that are connected with odd number gear second level jack shaft 207 with even number gear second level jack shaft 206 respectively, output shaft 204.Input shaft 201 is connected with main clutch 500 drive ends, and the jack shaft II203 being connected with the drive end of main clutch 500 is connected with the second free wheel device 104 with the first free wheel device 103 through being provided with the transmission device of the second gating mechanism.The first free wheel device 103 is connected with even number gear second level jack shaft 206, the second free wheel device 104 is connected with odd number gear second level jack shaft 207, the jack shaft I202 being connected with main clutch 500 driven ends is connected with even number gear second level jack shaft 206 with odd number gear second level jack shaft 207 through being provided with the transmission device of the first gating mechanism, and after odd number gear second level jack shaft 207 is connected multi-range transmission separately with even number gear second level jack shaft 206, parallel join is in output shaft 204.
Each gear of multi-range transmission is provided with gearing device, and above all parts form power transmission route jointly.System dynamic transmission has two kinds of possibilities: transfer route one, input shaft 201, main clutch 500, jack shaft I202, odd number gear second level jack shaft 207 or even number gear second level jack shaft 206, output shaft 204; Transfer route two, input shaft 201, main clutch 500, jack shaft II203, free wheel device 103 or free wheel device 104, odd number gear second level jack shaft 207 or even number gear second level jack shaft 206, output shaft 204.
When automobile in-place is static, engine idling operation, synchronizer 406,410,411,415 all mediates, and speed change is in neutral gear position.Now no matter whether combination of main clutch 500, now power cannot output to wheel by speed changer.
When automobile need to be started to walk, first separated main clutch 500, synchronizer 406 moves right and gear 328 combinations, and synchronizer 411 is moved to the left with a gear driving gear and is combined simultaneously.Due to not combination of main clutch 500, now not output of power.
Because speed changer has been hung into a gear, along with gradually in conjunction with main clutch 500, power will be via input shaft 201, with the jack shaft I202 that main clutch 500 driven ends are connected, synchronizer 406, odd number keeps off the first input gear pair 327,328, odd number gear second level jack shaft 207, synchronizer 411, first gear pair 333,334, is finally exported by output shaft 204.Along with outputting power increases gradually, overcome breakaway force, vehicle starting completes.
Along with the raising of automobile speed, speed changer need to rise up into two gear work by a gear.Now main clutch 500 is still in bonding state, and jack shaft I202 is identical with jack shaft II203 rotating speed.Due to odd number, to keep off the velocity ratio that velocity ratio between the first input gear pair 327,328 and odd number keep off between the second input gear pair 331,332 identical, therefore gear 332 is identical with gear 328 rotating speeds.Now can move right and gear 332 combinations by control synchro 415, the outer ring of the second free wheel device 104 keeps off the second input gear secondary 331 with odd number synchronizes, and inner ring is synchronizeed with axle 207.Because the Internal and external cycle rotating speed of the first free wheel device 103 is identical, now the first free wheel device 103 enters the transferring power state of preparing.Control subsequently main clutch 500 progressively separated, according to the known transfer route now of the characteristic of free wheel device, switch to: input shaft 201, the jack shaft II203 being connected with main clutch 500 drive ends, synchronizer 415, the second free wheel device 104, odd number gear second level jack shaft 207, first gear pair 333,334, output shaft 204 outputs.After the complete separation of main clutch 500, jack shaft 202 is transferring power no longer.Then control synchro 406 and gear 326 combinations, synchronizer 410 is moved to the left and the pre-combination of two gear driving gears 336.Subsequently, main clutch 500 combination gradually, due to the existence of one, two gear transmission ratios, power source speed declines, the rotating speed of the input shaft 201 being connected with power source declines simultaneously, and now the second free wheel device 104 inner ring rotating speeds are less than outer ring rotating speed, will automatically proceed to and surmount state.Odd number gear second level jack shaft 207 and the second free wheel device 104 be transferring power no longer, and power is via main clutch 500, the jack shaft I202 being connected with main clutch 500 driven ends, synchronizer 406, even number gear second level jack shaft 206, second gear pair 335,336, output shaft 204 outputs.Then control system control synchro 411 moves to right, and to get back to neutral position separated with a gear driving gear 337, and synchronizer 415 moves to left, and to get back to neutral position separated with gear 332, and upshift process completes.In upshift process, although main clutch 500 has separation-cohesive process, have one through the transfer route of free wheel device simultaneously, therefore in shift process without the common power interruption phenomenon of AMT.
Along with the continuation raising of automobile speed, speed changer need to rise up into three gear work by two gears.Control synchro 415 and gear 330 combinations, control subsequently main clutch 500 separation, because even number keeps off the second input gear pair 329,330, keep off the first input gear pair 325,326 speed ratios with even number and equate, according to the known power now of the characteristic of free wheel device by input shaft 201, jack shaft I202, the first free wheel device 103, even number gear second level jack shaft 206, second gear pair 335,336, output shaft 204 outputs, then control synchro 406 and gear 328 combinations, synchronizer 411 and three gear gears 337 are pre-in conjunction with hanging into three gears, combination gradually along with main clutch 500, the first free wheel device 103 surmounts automatically, power is via being connected jack shaft I202 with main clutch 500 driven ends, synchronizer 406, odd number keeps off the first input gear pair 327, 328, odd number gear second level jack shaft 207, three gear gear pairs 337, 338, output shaft 204 outputs, then control system control synchro 410 is separated with second gear 336, synchronizer 415 is separated with gear 330, upshift process completes the in the situation that of power failure-free.The like, speed change can complete multi-gear transmission transmission agency according to gear order, and possesses power failure-free upshift process function.
When vehicle front runs into obstacle, driver brakes and reduces the speed of a motor vehicle or automobile enters continuous descending, and while needing motor that the situations such as braking force are provided, speed changer need to reduce gear work, below take three gears and falls into two gears as example explanation downshift process.
Car deceleration downshift situation, controls main clutch 500 separation, and then control synchro 406 is separated with gear 328, control synchro 411 is separated with three gear gears 337, and now power transmission line all cuts off.Control synchro 406 and gear 326 combinations, synchronizer 410 and second gear 336 combinations subsequently, along with main clutch 500 combination gradually, downshift process completes.
But under some occasion, driver realizes downshift function in accelerating process, control mode is now: first complete put into gear action synchronizer 415 and gear 330 combinations, synchronizer 410 and the pre-combination of second gear 336, main clutch 500 separation subsequently, after this power is by input shaft, jack shaft II203, the first free wheel device 103, even number gear second level jack shaft 206, second gear pair 335,336, output shaft 204 outputs; Synchronizer 411 is separated with three gear gears 337 subsequently, then control synchro 406 and gear 326 combinations, more gradually in conjunction with main clutch 500, downshift process completes.Finally can synchronizer 415 is separated with gear 330.
Above-described is only mode of executions more of the present utility model.For the commonsense method personnel of related domain, not departing under the prerequisite of the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (9)
1. mechanical transmission, is characterized in that, comprising: input shaft (201), main clutch (500), jack shaft I(202), jack shaft II(203), free wheel device (600), output shaft (204);
Input shaft (201) is connected with main clutch (500) drive end, jack shaft I(202) be connected with main clutch (500) driven end, main clutch (500) drive end and jack shaft II(203) be connected, jack shaft II(203) be connected with free wheel device (600) drive end, jack shaft I(202) by multi-range transmission, be connected with output shaft (204), free wheel device (600) driven end is connected with output shaft (204);
Each blocks described multi-range transmission and is provided with gearing device.
2. mechanical transmission according to claim 1, it is characterized in that, described input shaft (201), main clutch (500) drive end, jack shaft II(203) and free wheel device (600) drive end between by transmission device, connect, or, in this both or both above one-body molded.
3. mechanical transmission according to claim 1 and 2, is characterized in that, the front end of free wheel device (600) or rear end are provided with single-stage driving device or with the multi-range transmission of gearing device.
4. mechanical transmission according to claim 3, is characterized in that, also comprises and jack shaft II(203) odd number that is connected gear second level jack shaft and even number gear second level jack shaft;
Described jack shaft I(202) the first input gear pair or the even number gear second level secondary connection of jack shaft the first input gear with odd number gear second level jack shaft by the first gating mechanism, the driven end of free wheel device (600) is by the second gating mechanism and odd number gear second level jack shaft the second input gear pair or the even number gear second level secondary connection of jack shaft the second input gear; The other end of odd number gear second level jack shaft is connected with output shaft (204) by multi-range transmission, and the even number gear second level jack shaft the other end is connected with output shaft (204) by multi-range transmission.
5. mechanical transmission according to claim 3, is characterized in that, also comprises the odd number gear free wheel device and the even number gear free wheel device that are arranged on power transmission route;
Jack shaft II(203) by the second gating mechanism and odd number gear second level jack shaft the second input gear pair or the even number gear second level secondary connection of jack shaft the second input gear, odd number gear second level jack shaft the second input gear is secondary to be connected with odd number gear free wheel device drive end, odd number gear free wheel device driven end is connected with odd number gear second level jack shaft, even number gear second level jack shaft the second input gear is secondary to be connected with even number gear free wheel device drive end, and even number gear free wheel device secondary part is connected with even number gear second level jack shaft.
6. mechanical transmission according to claim 3, is characterized in that, described free wheel device (600) is arranged at from input shaft (201), through jack shaft II(203) to upstream or the downstream of the power transmission route of output shaft (204); Described main clutch (500) is arranged at from input shaft (201), through jack shaft I(202) to upstream or the downstream of the power transmission route of output shaft (204).
7. mechanical transmission according to claim 3, it is characterized in that, described transmission device is partly or entirely to adopt gear-driven transmission device, partly or entirely adopt chaindriven transmission device, and partly or entirely adopts a kind of with in the transmission device of transmission.
8. mechanical transmission according to claim 3, it is characterized in that, described main clutch (500) is the clutch of dry clutch, wet clutch, magnetic clutch, hydraulic couplers or fluid torque converter, electric transmission clutch or hydraulic transmission mode.
9. mechanical transmission according to claim 3, is characterized in that, described free wheel device (600) is roller-type overrunning clutch, Wedge type over running clutch, engagement overdrive clutch or controllable overrunning clutch (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109261.2U CN203730710U (en) | 2014-03-11 | 2014-03-11 | Mechanical transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109261.2U CN203730710U (en) | 2014-03-11 | 2014-03-11 | Mechanical transmission |
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| Publication Number | Publication Date |
|---|---|
| CN203730710U true CN203730710U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420109261.2U Expired - Fee Related CN203730710U (en) | 2014-03-11 | 2014-03-11 | Mechanical transmission |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807413A (en) * | 2014-03-11 | 2014-05-21 | 赵克刚 | Mechanical transmission |
| CN107504146A (en) * | 2017-10-17 | 2017-12-22 | 郝士伟 | A kind of agricultural machinery dual-clutch transmission |
-
2014
- 2014-03-11 CN CN201420109261.2U patent/CN203730710U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807413A (en) * | 2014-03-11 | 2014-05-21 | 赵克刚 | Mechanical transmission |
| CN103807413B (en) * | 2014-03-11 | 2016-03-23 | 赵克刚 | mechanical transmission |
| CN107504146A (en) * | 2017-10-17 | 2017-12-22 | 郝士伟 | A kind of agricultural machinery dual-clutch transmission |
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