CN104930134B

CN104930134B - More wheel wheel shaft structure speed changers

Info

Publication number: CN104930134B
Application number: CN201510240322.8A
Authority: CN
Inventors: 雷胜林
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-05-13
Filing date: 2015-05-13
Publication date: 2018-05-01
Anticipated expiration: 2035-05-13
Also published as: CN104930134A

Abstract

A kind of referred to as more wheel wheel shaft structure speed changers of parallel shaft transmission containing the wheel shaft structure being made of multiple idle pulley gears, under the more wheel wheel shaft structures and matched spline hub sleeve axis mechanism during wheel shaft structure speed changer is taken turns the present invention, the collective effect of double rolling key clutch mechanism and jaw clutch mechanism more, in existing gearbox size range, reach 12 forward gears and 4 reverse gear.More wheel wheel shaft structure speed changers of the invention include the input shaft being arranged in parallel, more wheel shaft, jackshaft and output shaft.And corresponding gear and arrangement of clutch.Its main feature is that：1. the ratio of the number of gears and gear number is minimum, therefore the size of gearbox is relatively minimal.2. the ratio minimum of shift gears control element and gear number, therefore the structure of gearbox is relatively easy.3. expanding total tooth than scope, the power performance of automobile is improved.4. gear is intensive rationally, smooth gear shifting and fuel economy are improved.5. being provided with torque gear set, the moment of torsion of bigger can be born.

Description

More wheel wheel shaft structure speed changers

Technical field

The invention belongs to speed changer field, parallel-axis type speed variator is especially related to.

Background technology

Speed changer is most important transmission parts on power-transmission system, and particularly on automobile, the performance of speed changer is straight The performance for determining automobile is connect, determines the transmission efficiency of automobile, determines the fuel economy of automobile, determines changing for automobile Keep off ride comfort and comfort.Due to the Automobile Enterprises of countries in the world and the huge input of research institution, automotive transmission technology obtains Unprecedented raising and development are arrived, it can be said that the transmission technology on automobile is exactly speed changer field state-of-the-art technology.At present Automotive transmission primary structure have two major class of manual transmission structure MT and automatic transmission structure AT, automatic transmission structure In again be divided into geared automatic transmission structure AT and stepless automatic transmission structure C VT.The automatic transmission structure for having level divides again For rotation axis (planetary gear) formula automatic transmission structure AT and parallel-axis type automatic transmission structure AT, star gear type fluid drive Device is divided into Simpson automatic transmission structure and La Weinashi automatic transmission structures, parallel axes type automatic transmission structure again It is divided into automatic clutch speed changer structure AMT again at present, Multi-clutch parallel shaft transmission structure AT is parallel with double-clutch type Shaft transmission structure DCT.Since the characteristics of hobby of people is different, and various speed changers all rely on oneself, is seized of corresponding market Share.

With control technology, transmission efficiency, the continuous improvement of fuel economy and people to automobile gear shift ride comfort and The requirement of comfort is continuously improved, and the automatic transmission of more gears becomes Developing mainstream, therefore the gear of automatic transmission Also it is being constantly increasing；Gear is more, and structure is more complicated, and the size of gearbox is also bigger.But the speed change that automobile can accommodate The volume of device is that the structure of limited, current multi-clutch parallelism structural shaft transmission substantially uses three axis or four Axis, by the way of primary transmission and three-level transmission are combined, as set three forward gears on input shaft, two of which is Primary transmission, power are directly passed to output shaft, another is the first order of three-level transmission, is imparted power on output shaft Idle pulley, sets three gears on jackshaft, and one is engaged the second level to form three-level transmission with the idle pulley on output shaft, and another two A fixed gear with output shaft engages, and forms the third level of two three-level transmissions, its forward gear digit formed is 1 × 2+ 1 × 1 × 1 × (3-1)=4 are kept off, and four gears of setting on jackshaft, its forward gear digit formed is 1 × 2+1 × 1 × 1 × (4-1)=5 are kept off.Although the invention at present on parallel shaft transmission is very much, these inventions have plenty of the quantity on axis The new technical solution proposed with position, has plenty of the new technical solution on the quantity of gear and position proposition, has plenty of The new technical solution proposed on the quantity for control mechanism of shifting gears and position, but due to transmission dimensions and need speed changer The limitation of moment of torsion is undertaken, the gear of practical multi-clutch parallelism structural shaft transmission also only reaches 6 forward gears at present.Press mesh Preceding speed changer structure, is not that structure is too complicated if gear is further added by, is exactly that structural volume is too big, it is difficult to practical.Therefore need A kind of small, gear is more, and moment of torsion is big, simple in structure, the speed changer of the high new construction of reliability.

The content of the invention

To solve the problems, such as appeal, the present invention provides a kind of parallel axes containing the wheel shaft structure being made of multiple idle pulley gears The referred to as more wheel wheel shaft structure speed changers of speed changer, more wheel wheel shaft structures and phase in wheel shaft structure speed changer is taken turns the present invention more Under the collective effect of the spline hub sleeve axle construction of cooperation, double rolling key clutch structure and jaw clutch structure, Ke Yi In existing gearbox size range, reach 12 forward gears and 4 reverse gear.Its main feature is that：1. the ratio of the number of gears and gear number Minimum, thus gearbox size it is relatively minimal.2. the ratio for control element and the gear number of shifting gears is minimum, thus gearbox Structure it is more relatively easy.3. expanding resultant gear ratio scope, the power performance of automobile is improved.4. gear is intensive rationally, Improve smooth gear shifting and fuel economy.5. being provided with torque gear set, the moment of torsion of bigger can be born.

More wheel wheel shaft structure speed changers of the present invention include the input shaft being arranged in parallel, more wheel shaft, jackshaft and output Axis.More wheel wheel shaft structure speed changers further include：The fixed N number of gear being arranged on input shaft (N is natural number)；Pass through Needle bearing is rotatably arranged on input shaft, and is had and can individually be controlled itself and input axis connection or separated arrangement of clutch M gear and corresponding arrangement of clutch (M is the integer of ＞ 1)；It is rotatably arranged on by needle bearing on more wheel wheel shafts, and Itself and wheel wheel axis connections or separated arrangement of clutch more can individually be controlled by having, engagement opposite with the fixed gear on input shaft N number of gear and corresponding arrangement of clutch and with a gears of N ' and phase that the fixed gear on jackshaft or output shaft is engaged The arrangement of clutch answered (N ' is natural number)；Should often it be engaged with the rotatable gear mesh on input shaft, jackshaft and output shaft The fixed multiple gears being arranged on more wheel wheel shafts；The fixation that should be often engaged with the rotatable gear mesh on more wheel wheel shafts A gears of N ' being arranged on jackshaft or output shaft.Pass through needle bearing with what the fixed gear on more wheel wheel shafts was engaged It is rotatably arranged on jackshaft or output shaft, and has and can individually control itself and jackshaft or output axis connection or separated The multiple gears and corresponding arrangement of clutch of arrangement of clutch.More wheel wheel shaft structure speed changers further include：It is arranged on jackshaft On one or two torque driving gear；One or two being arranged on output shaft being engaged with torque driving gear Torque driven gear；One or two third level drive path is so formed, when setting a torque gear on jackshaft, Torque driving gear and jackshaft and torque driven gear and output between centers all fixed-links, increase when setting two on jackshaft When turning round gear and forming two power transfer paths, torque driving gear in each power transfer path and the torque engaged A torque gear in driven gear and between centers where it are fixed-link, another torque gear, which uses, passes through needle bearing It is rotatably arranged on the axis where it, and sets corresponding arrangement of clutch to control the connection of itself and place axis or separate, Gu Surely the gear connected be arranged on which with axis can, torque driving gear and jackshaft fixed-link can be used, can also Using torque driven gear and output shaft fixed-link.More wheel wheel shaft structure speed changers of the present invention are characterized by having following Structure：

Wheel shaft structure is taken turns 1. more

More wheel wheel shaft structure, be exactly be provided with the transmission one serve increase power transfer path by more More wheel wheel shafts of a a clutch composition of idle pulley gear and (N+N '), more wheel wheel shafts are arranged between input shaft and jackshaft Or in the power transfer path between input shaft and output shaft, it is responsible for the power of input shaft passing to jackshaft again by jackshaft Output shaft is passed to, or the power of input shaft is directly passed to output shaft.More wheel wheel shafts are by axostylus axostyle and fixed setting Multiple gears on axostylus axostyle, and be rotatably arranged on by needle bearing on more wheel wheel shafts, and have and can individually control It is made to form with more wheel wheel axis connections or (N+N ') a gear of separated arrangement of clutch and corresponding arrangement of clutch；Its feature is just It is that the power transfer path that all disengaging are taken turns on wheel shaft more has independent clutch or torque switch device.More wheel wheel shafts Can be the solid shafting containing required oil duct together with the gear and arrangement of clutch that are disposed thereon, speed change is arranged on by bearing On device babinet or hollow shaft, pass through needle bearing empty set together with the gear and arrangement of clutch being disposed thereon Be arranged on output shaft, one end of more wheel wheel shafts of empty set is equipped with clutch with output between centers, by clutch control its with it is defeated Rotation or fixation between shaft；More wheel wheel shafts can also be multiple short hollow shafts with keyway, and one is connected to by keyway Rise, be rotatably arranged on together with the gear and arrangement of clutch being arranged in short axle by needle bearing on output shaft, if Put the keyway between short axle make it is relatively unrotatable between each short axle, can only be together in wheel wheel shafts more and the clutches for exporting between centers Under control, rotate or fix relative to output shaft on output shaft, when controlling clutch to combine, wheel shafts of taking turns are consolidated with output shaft more Surely an axis is become, power is directly delivered on output shaft from input shaft, formation primary transmission, on so each input shaft and more Wheel wheel shaft gear meshed gears all forms a first order kinetics bang path；When controlling clutch separation, wheel shaft more Rotated on output shaft, become to transmit more wheels from input shaft by the integrated governor idle gear wheel shaft of multiple idle pulley gears, power Wheel shaft, then be delivered to output shaft by jackshaft by wheel shaft more and form three-level transmission, taken turns on so each input shaft with more wheels Axis gear meshed gears all forms the first order power transfer path of a three-level transmission again.When wheel wheel shaft more is arranged on change When on fast device babinet, output shaft can be taken turns on wheel shafts more by being arranged on for needle bearing empty set, in the side of longitudinal speed changer In case also can by output shaft being arranged on input shaft by needle bearing empty set.Unique more wheel wheel shaft structures tool of the present invention Have by the increased effect of the power transmission path of input shaft, such as in the first embodiment of the present invention, pass through wheel shaft knot more Structure, using three forward gears and a reverse gear on input shaft, forms the forward gear kinetic current of 3 primary transmissions With the level-one of the kinetic current and 1 three-level transmission of the level-one forward gear kinetic current of 3 three-levels transmission and 1 primary transmission of reversing gear Reverse gear kinetic current, and forms on jackshaft the second motive force stream of 3 three-levels transmissions and the three-level torque of 1 three-level transmission is moved Force flow.Finally realize 12 forward gears and 4 reverse gear, substantially increase smooth gear shifting and fuel economy.

2. spline hub sleeve axle construction

Spline hub sleeve axle construction in more wheel wheel shaft structure speed changers of the invention is characterized in by being arranged on input shaft A clutch can control the connection for the three gears and input shaft being arranged on input shaft or separate, more wheel wheel shafts Spline hub sleeve axle construction in structure speed changer includes fixed be arranged on input shaft to make splined hub set axis and input Axis connection or separated clutch, by the spline hub sleeve axis being arranged on input shaft of the rotatable empty set of needle bearing, Gu The internal spline hub of the clutch of spline hub sleeve axis one end is scheduled on, is fixed on the splined hub of the synchronizer of the spline hub sleeve axis other end, Synchronous ring, and the clutch collar of the synchronizer to become one with the driving gear that reverses gear.It is additionally provided with the spline hub sleeve axis Maximum gear on input shaft, it is rotatably arranged on spline hub sleeve axis by needle bearing, by spline hub sleeve axis Synchronizer control its with spline hub sleeve axis connection or separate；Minimum gear is set by the way that needle bearing is rotatable on input shaft Put on input shaft, by the control of the synchronizer on spline hub sleeve axis, it with spline hub sleeve axis connection or is separated, with splined hub Covering the gear of axis connection, similarly hereinafter spline hub sleeve axis axis connection or is separated with input together in clutch control.More wheel wheel shafts of the invention Unique spline hub sleeve axle construction of structure speed changer has the function that to reduce clutch, is made by the spline hub sleeve axle construction Synchronizer can control three gears not on the same axis by a clutch and input axis connection or separate, further excellent The structure of speed changer is changed, in the first embodiment of the present invention, a clutch is controlled by spline hub sleeve axle construction Three gears not on same axis, at least save a clutch, be greatly saved gearbox space and weight and The quantity of controller.

3. double rolling key clutch structure

Double rolling key clutch in wheel wheel shaft structure speed changers much more of the invention be by the maximum gear on jackshaft with solely The double rolling key clutch of ad hoc meter becomes one, it includes the inner ring being fixed on by spline on jackshaft；With gear collection It is integrally formed the outer ring being rotatably arranged on by needle bearing on inner ring；It is close to outer ring inner circle between inner ring and outer ring to set Fixed retainer, and the spacing block set being arranged on fixed retainer；Set between fixed retainer inner circle and inner ring are cylindrical The movable retainer put, and the limiting groove being arranged on movable retainer；It is arranged between inner ring and outer ring, passes through fixation The two-way contract block that retainer and movable retainer are fixed and controlled；Be arranged on movable retainer be responsible for the two-way contract block of control with it is interior The holding spring of the contact of circle；Further include the return spring between fixed retainer and movable retainer；Contract Block direction controls Platen.When extension reverses gear, control control platen is moved to slip retainer side, and generation is contacted with slip retainer and is rubbed accordingly Power is wiped, fixed retainer rotates therewith when outer ring rotates backward, and frictional force fixes slip retainer, such spacing block set and limit Position groove reversely approaches, and return spring is compressed, and simultaneously bi-directionally contract block rotates in the opposite direction；When spacing block set with it is spacing recessed After groove contact is adjacent to, spacing block set promotion activity retainer overcomes frictional resistance to be rotated with fixed retainer, meanwhile, solid Under the action of determining retainer activity retainer holding spring, two-way contract block enters reverse operation state, drives inner ring together with outer Circle rotation, the transmission for the gear that reverse gear.Double rolling key clutch enters and reversely surmounts discrete state when other reverse gear.Exit down During gear, return after control platen departs from movable retainer, return spring promotion activity retainer rotates, and simultaneously bi-directionally contract block is being just To rotation, spacing block set is adjacent to limiting groove forward direction close to contact, and double rolling key clutch enters positive drive connection or super More discrete state.Unique double rolling key clutch structure of the more gear speed transmissions of the present invention, which has, reduces speed changer axial dimension And have the function that to improve smooth gear shifting, in the first embodiment of the present invention, by using double rolling key clutch knot Structure, in the case where not increasing middle shaft size, successfully adds a clutch, and pass through the cooperation with wet clutch Substantially increase smooth gear shifting.

4. reverse gear idle pulley dental forceps formula clutch configuration

The idle pulley dental forceps formula clutch configuration that reverses gear of more wheel wheel shaft structure speed changers of the invention includes can by needle bearing The rotating idler shaft that reverses gear being arranged on mission case, the first splined hub for reversing gear idle pulley and dental forceps formula clutch are integrated into One is rotatably arranged on by needle bearing reverses gear on idler shaft, and is engaged with the maximum gear on more wheel wheel shafts；Second The combined cover of idle pulley and dental forceps formula clutch of reversing gear becomes one, and the idler shaft that reverses gear is arranged on by what spline served as a contrast that hub fixes On, and engaged with the driving gear that reverses gear on input shaft.Second, which reverses gear, is provided with sealing between idle pulley and the idler shaft that reverses gear Enclose the pumping cavity formed, reverse gear in idler shaft and corresponding pumping cavity position is provided with oil-filled and oil extraction oil duct, second reverse gear it is lazy Wheel is equipped with the one or more return springs concentric or parallel with the idler shaft that reverses gear between serving as a contrast hub with spline.When reversing gear, pass through oil duct To pumping cavity it is oil-filled promote second reverse gear idle pulley to first reverse gear idle pulley side movement movement, make second reverse gear idle pulley compression return The spring and splined hub for making combined cover reverse gear with first on idle pulley is combined, connection are reversed gear bang path.When cut-out is reversed gear, pumping cavity Into oil extraction state, return spring promote second reverse gear idle pulley to pumping cavity side move, make second reverse gear idle pulley compression pressure oil The chamber oil extraction and splined hub for making combined cover reverse gear with first on idle pulley separates, cut-out are reversed gear bang path.More wheel wheel shafts of the invention Unique idle pulley dental forceps formula clutch configuration that reverses gear in structure speed changer has the function that to reduce speed changer axial dimension, at this In the first embodiment of invention, by using the idle pulley dental forceps formula clutch configuration that reverses gear, the driven gear that reverses gear is saved Position.

Brief description of the drawings

Fig. 1 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the first embodiment of the present invention Position is set and with input shaft jackshaft output shaft and the structural representation of corresponding gear and arrangement of clutch position relationship thereon Figure, wherein figure a is transmission input shaft, the opposite position for taking turns wheel shaft, jackshaft and the engagement sleeve on output shaft and its axis more The schematic diagram put, figure b are an example in first embodiment of the invention middle gear and clutch position change programme, and c is Keep off idle pulley and idler shaft and the relative position of gear and the schematic diagram of meshing relation on input shaft and more wheel wheel shafts.

Power transfer path when Fig. 2, Fig. 3 and Fig. 4 are each gear in first embodiment of the invention.

Fig. 5 is the arrangement of clutch and gearratio that each gear combines in first embodiment of the invention.

In Fig. 6 scheme a and figure b be respectively in first embodiment of the invention output shaft and clutch position change and scheme in Another two example.

Fig. 7 is transmission input shaft in the second embodiment of the present invention, takes turns wheel shaft, on jackshaft and output shaft and its axis more Gear and clutch relative position schematic diagram.

A is schemed in Fig. 8 for an example in the gear and clutch position change programme of the second embodiment of the present invention, figure B is the relative position and meshing relation of reverse gear idle pulley and the idler shaft and the gear on input shaft and more wheel wheel shafts of second embodiment Schematic diagram.

Fig. 9 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in third embodiment of the invention Position and with input shaft jackshaft output shaft and the thereon structure diagram of corresponding gear and arrangement of clutch position relationship are set.

In Figure 10 a be in the fourth embodiment of the present invention more wheel wheel shaft spline hub sleeve axis double rolling key clutch it is castellated from Clutch sets position and with input shaft jackshaft output shaft and the thereon structure of corresponding gear and arrangement of clutch position relationship Schematic diagram, figure b are the reverse gear meshing relation figure of 3rd embodiment and fourth embodiment.

Figure 11 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the fifth embodiment of the present invention The setting position of the device and structure of corresponding gear and arrangement of clutch position relationship is shown with input shaft jackshaft output shaft and thereon It is intended to.

Figure 12 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the sixth embodiment of the present invention The setting position of the device and structure of corresponding gear and arrangement of clutch position relationship is shown with input shaft jackshaft output shaft and thereon It is intended to.

Figure 13 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the seventh embodiment of the present invention The setting position of the device and structure of corresponding gear and arrangement of clutch position relationship is shown with input shaft jackshaft output shaft and thereon It is intended to.

Figure 14 is to be driven in the eighth embodiment of the present invention in shaft position gear position and clutch position change programme One example.

In Figure 15 a be in the ninth embodiment of the present invention more wheel wheel shaft spline hub sleeve axis double rolling key clutch it is castellated from Clutch sets position and with input shaft jackshaft output shaft and the thereon structure of corresponding gear and arrangement of clutch position relationship Schematic diagram, figure b are the transmission shaft position and gear drive relation schematic diagram of the structure of reversing gear in longitudinal scheme.

Figure 16 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the tenth embodiment of the present invention The setting position of the device and structure of corresponding gear and arrangement of clutch position relationship is shown with input shaft jackshaft output shaft and thereon It is intended to.

Figure 17 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in eleventh embodiment of the invention The setting position of the device and structure of corresponding gear and arrangement of clutch position relationship is shown with input shaft jackshaft output shaft and thereon It is intended to.

Figure 18 be in the 12nd embodiment of the present invention more wheel wheel shaft spline hub sleeve axis double rolling key clutch it is castellated from Clutch sets position and with input shaft jackshaft output shaft and the thereon structure of corresponding gear and arrangement of clutch position relationship Schematic diagram.

Figure 19 is the sectional schematic diagram of the jaw clutch in the present invention, wherein each component when figure a combines for clutch The schematic diagram of relative position, the schematic diagram of each component relative position when figure b is clutch separation.

Figure 20 is the sectional schematic diagram of the double rolling key clutch in the present invention, wherein figure a is double rolling key clutch The schematic diagram of radial direction section a, figure b are the schematic diagram of the axial section b of double rolling key clutch, and figure c is locally put for radial direction section Big figure, it is axial section partial enlarged view, figure e and the schematic diagram that figure f is return spring and position limiting structure to scheme d.

Embodiment

Below in conjunction with the accompanying drawings and embodiment the invention will be further described.

Referring to a and Figure 19 and Figure 20 is schemed in Fig. 1, this is that more wheel wheel shaft spline hub sleeve axis are double in first embodiment of the invention Setting position to freewheel clutch jaw clutch and with input shaft jackshaft output shaft and thereon corresponding gear and from Attach together pair in the structure diagram and the structure diagram of the jaw clutch in the present invention and invention of seated position relation To the structure diagram of freewheel clutch, more wheel wheel shaft structure speed changers of the invention include mission case S1, can with bearing The rotating input shaft A being arranged on babinet, the more wheel wheels being arranged on output shaft rotatable with needle bearing and empty set Axis B, jackshaft C on babinet and parallel with input shaft is rotatably arranged on bearing, case is rotatably arranged on bearing On body and the output shaft D parallel with input shaft, more gear speed transmissions further include：Input shaft first gear 1, it passes through needle roller Bearing is rotatably arranged on input shaft A；First clutch K1 is fixed on input shaft by spline, to make input shaft One gear 1 and input shaft A connections separate；Second clutch K2 is fixed on input shaft A by spline, to make to pass through needle roller The spline hub sleeve axis A ' that bearing is rotatably arranged on input shaft A and input shaft A connections separate；Input shaft second gear 2 It is rotatably arranged on by needle bearing on spline hub sleeve axis A ', and it is connected with spline hub sleeve axis A ' by combined cover 14 Or separation, it is gear maximum on input shaft；The 3rd gear 3 of input shaft is rotatably arranged on input shaft by needle bearing On A, and make it with spline hub sleeve axis A ' connections by combined cover 14 or separate, it is gear minimum on input shaft；Combined cover 14 become one with the driving gear that reverses gear, and empty set is in splined hub；More wheel wheel shaft first gears 4, more wheel wheel shaft second gears 5th, wheel the 3rd gear 6 of wheel shaft and more wheel the 4th gears 7 of wheel shaft and more wheel the 5th gears 8 of wheel shaft more is fixed at more wheel wheels On axis B, jackshaft first gear 9 is rotatably arranged on jackshaft C by needle bearing；3rd clutch K3 passes through spline It is fixed on jackshaft C, to make jackshaft first gear 9 and jackshaft C connections or separate；4th clutch K4 passes through spline It is fixed on jackshaft C, jackshaft second gear 10 is rotatably arranged on jackshaft C by needle bearing, and passes through Four clutch K4 make it with jackshaft C connections or separate；The 3rd gear 11 of jackshaft is rotatably arranged on by needle bearing On jackshaft C, and by being fixed on jackshaft C and making itself and jackshaft C with its double rolling key clutch to become one Connection or separation；What torque driving gear 12 was fixed is arranged on jackshaft C；What torque driven gear 13 was fixed is arranged on output On axis D；More wheel wheel shaft first gears 4 are engaged with input shaft first gear 1, while are engaged with jackshaft first gear 9；More wheel wheels Axis second gear 5 is engaged with input shaft second gear 2；More wheel the 3rd gears 6 of wheel shaft are engaged with jackshaft second gear 10；More wheels The 4th gear 7 of wheel shaft is nibbled with the 3rd tooth 11 of jackshaft wheel；More wheel the 5th gears 8 of wheel shaft are engaged with the 3rd gear 3 of input shaft；Torque Driving gear 12 is engaged with torque driven gear 13；5th clutch K5 is fixed on output shaft D by spline, to make take turns more Wheel shaft B and output shaft D connections separate.More wheel wheel shaft B can be a bearing, together with the gear being fixed thereon Pass through being arranged on output shaft D for the rotatable empty set of needle bearing；Can also be that a section short axle is connected to one by keyway Rise, be rotatably arranged on together with the gear being fixed thereon by needle bearing on output shaft D, the keyway between short axle makes Each section of between centers is relatively unrotatable, can only be rotated together under the control of the 5th clutch K5 on output shaft D or fixed. Gear idler shaft E is rotatably arranged on mission case S1 by needle bearing Y1；First reverse gear idle pulley 15 and dental forceps formula from The splined hub of clutch, which becomes one to be arranged on by needle bearing, reverses gear on idler shaft E, and with taking turns the maximum tooths on wheel shaft B more The engagement of wheel 8；Second reverses gear idle pulley 16 and the combined cover of dental forceps formula clutch becomes one, and pass through that spline serves as a contrast that hub Y2 fixes sets Put and reversing gear on idler shaft E, and engaged with the driving gear 14 that reverses gear on input shaft A.Second, which reverses gear, idle pulley and reverses gear idler shaft Between be provided with the pumping cavity Y4 of sealing ring Y3 formation, reverse gear in idler shaft and corresponding pumping cavity position be provided with it is oil-filled and The oil duct Y5 of oil extraction, second reverses gear is equipped with the one or more concentric or parallel with the idler shaft that reverses gear time between idle pulley and spline lining hub Position spring Y6.When reversing gear, pressure oil is filled to pumping cavity Y4 by oil duct Y5, promotes second idle pulley 16 that reverses gear to reverse gear idle pulley to first The movement movement of 15 sides, making second to reverse gear 16 compression retracteding position spring Y6 of idle pulley and makes combined cover and the first spline to reverse gear on idle pulley Hub combines, and connects the bang path that reverses gear.When cut-out is reversed gear, pumping cavity Y4 enters oil extraction state, and return spring Y6 promotes second to fall Keep off idle pulley 16 to move to pumping cavity Y4 sides, second idle pulley 16 that reverses gear is compressed and pumping cavity Y4 oil extractions and combined cover is fallen with first The splined hub separation on idle pulley is kept off, cuts off the bang path that reverses gear.Described first clutch K1, K2, K3 and the 4th clutch K4 with And the 5th clutch K5 be multi-disc wet clutch.Double rolling key clutch in wheel wheel shaft structure speed changers much more of the invention is Maximum gear on jackshaft or output shaft and the double rolling key clutch of unique design are become one (in first embodiment On jackshaft), it includes the inner ring 21 being fixed on by spline 23 on jackshaft 24；Become one with gear and pass through needle roller Bearing 22,25 is rotatably arranged on the outer ring 20 on inner ring；It is close to the fixed guarantor that outer ring inner circle is set between inner ring and outer ring Frame 26 is held, and the spacing block set 26 ' being arranged on fixed retainer；Set between fixed retainer inner circle and inner ring are cylindrical Movable retainer 27, and the limiting groove 27 ' being arranged on movable retainer；It is arranged between inner ring and outer ring, by solid Determine the two-way contract block 29 that retainer and movable retainer are fixed and controlled；It is arranged on movable retainer and is responsible for the two-way contract block of control 29 with the holding spring 28 of the contact of inner ring 21；Further include the return spring 30 between fixed retainer and movable retainer； Contract Block direction controls platen 31.When extension reverses gear, control control platen 31 is moved to slip retainer side, with slip retainer 27 contacts produce corresponding frictional force, and fixed retainer rotates therewith when outer ring rotates backward, and frictional force makes slip retainer 27 Fixed, such spacing block set 26 ' and limiting groove 27 ' are reversely close, and return spring 30 is compressed, simultaneously bi-directionally contract block to Opposite direction rotates；After spacing block set 26 ' is contacted with limiting groove 27 ' to be adjacent to, spacing block set promotion activity retainer, which overcomes, to rub Resistance is wiped to rotate with fixed retainer, meanwhile, under the action of the movable retainer 27 of fixed retainer 26 keeps spring 28, Two-way contract block enters reverse operation state, drives inner ring to be rotated together with outer ring, the transmission for the gear that reverse gear.When other reverse gear Double rolling key clutch enters and reversely surmounts discrete state.Exit when reversing gear, after control platen 31 departs from movable retainer 27 Return, 30 promotion activity retainer of return spring rotate, and simultaneously bi-directionally contract block rotates forward, spacing block set 26 ' and limiting groove 27 ' forward directions are adjacent to close to contact, and double rolling key clutch enters positive drive connection or surmounts discrete state.The more gears of the present invention Unique double rolling key clutch structure of speed changer is with reduction speed changer axial dimension and with raising smooth gear shifting Effect, by using double rolling key clutch structure, in the case where not increasing middle shaft size, successfully add one from Clutch, and by the cooperation with wet clutch, when the upshift or downshift of multiple gears, can power it is uninterrupted, greatly improve Smooth gear shifting.In more wheel wheel shaft structure speed changers of the invention, due to more wheel wheel shaft structures and matched spline hub sleeve The collective effect of axle construction, double rolling key clutch structure and jaw clutch structure, in existing gearbox size range, Using three forward gears and a reverse gear on input shaft, the forward gear kinetic current and 3 of 3 primary transmissions is formd The level-one of the kinetic current and 1 three-level transmission of the level-one forward gear kinetic current of a three-level transmission and 1 primary transmission of reversing gear is fallen Kinetic current is kept off, and forms on jackshaft the second motive force stream of 3 three-levels transmissions and the three-level torque power of 1 three-level transmission Stream.The advance gear number finally realized is the gear of 1 × 3+1 × 3 × 3 × 1=12, the gear number of reversing gear of realization be 1 × 1+1 × 1 × 3 × 1=4 gear, and speed changer axial dimension can also shorten the position of a gear (relative to existing four gear parallel axes changes Fast device), torque carrying capability is improved, and increases slewing range, substantially increases dynamic property, the smooth gear shifting of automobile And fuel economy.Each gear power transfer path of more wheel wheel shaft structure speed changer first embodiments of the invention is seen below：

When first clutch K1 and second clutch K2 are disconnected, all kinetic currents are disconnected, and speed changer is neutral gear State.

When combined cover 14 selects to be combined with the 3rd gear 3 of output shaft, second clutch K2 is combined, other clutches are all disconnected Open, the power from engine passes through fluid torque-converter S2 or damping spring S4, S5 and lock-up clutch S3 → input shaft A → the The 3rd gear 3 of two clutch K2 → spline hub sleeve axis A ' → 14 → input shaft of combined cover → more the 5th gears 8 of wheel wheel shaft → is taken turns more Wheel shaft B → the 3rd gear of the 4th 7 → jackshaft of gear of more wheel wheel shafts and 11 → jackshaft of double rolling key clutch C → jackshaft increase Torsion driving gear 12 → output shaft torque driven gear 13 → most exported afterwards through output shaft D, material is thus formed 1 gear that advances.

When combined cover 14 selects to be combined with the 3rd gear 3 of output shaft, second clutch K2 is combined, while the 3rd clutch K3 Also in relation with other clutches are all off, and the power from engine passes through fluid torque-converter S2 or damping spring S4, S5 and lock Only the 3rd gear 3 of clutch S3 → input shaft A → second clutch K2 → spline hub sleeve axis A ' → 14 → input shaft of combined cover → More the 5th 8 → wheel wheel shaft B more of gear of wheel wheel shaft →, it is take turns the 9 → the 3rd clutch of wheel shaft 4 → jackshaft of first gear first gear more K3 → jackshaft C → jackshaft torque driving gear 12 → output shaft torque driven gear 13 → most exported afterwards through output shaft D, this Sample is formed 2 gears that advance.

When combined cover 14 selects to be combined with the 3rd gear 3 of output shaft, second clutch K2 is combined, while the 4th clutch K4 Also in relation with other clutches are all off, and the power from engine passes through fluid torque-converter S2 or damping spring S4, S5 and lock Only the 3rd gear 3 of clutch S3 → input shaft A → second clutch K2 → spline hub sleeve axis A ' → 14 → input shaft of combined cover → More the 5th 8 → wheel wheel shaft B more of gear of wheel wheel shaft → the 10 → the 4th clutches of the 3rd 6 → jackshaft of gear second gear of more wheel wheel shafts K4 → jackshaft C → jackshaft torque driving gear 12 → output shaft torque driven gear 13 → most exported afterwards through output shaft D, this Sample is formed 3 gears that advance.

When combined cover 14 selects to be combined with the 3rd gear 3 of output shaft, second clutch K2 is combined, while the 5th clutch K5 Also in relation with other clutches are all off, and the power from engine passes through fluid torque-converter S2 or damping spring S4, S5 and lock Only the 3rd gear 3 of clutch S3 → input shaft A → second clutch K2 → spline hub sleeve axis A ' → 14 → input shaft of combined cover → More the 5th 8 → wheel wheel shaft B → the 5th clutch K5 → more of gear of wheel wheel shaft are most exported through output shaft D afterwards, and material is thus formed preceding Into 4 gears.

When first clutch K1 is combined, other clutches are all off, and the power from engine passes through fluid torque-converter S2 or damping spring S4, S5 and lock-up clutch S3 → input shaft A → first clutch K1 → input shaft first gear 1 → more wheels Wheel shaft first gear 4 → more wheel wheel shafts B → the 3rd gear of the 4th 7 → jackshaft of gear of more wheel wheel shafts and double rolling key clutch 11 → jackshaft C → jackshaft torque driving gear 12 → output shaft torque driven gear 13 → most exported afterwards through output shaft D, so It is formed 5 gears that advance.

When combined cover 14 selects to be combined with output shaft second gear 2, second clutch K2 is combined, other clutches are all disconnected Open, the power from engine passes through fluid torque-converter S2 or damping spring S4, S5 and lock-up clutch S3 → input shaft A → the Two clutch K2 → spline hub sleeve axis A ' → 14 → input shaft of combined cover second gear 2 → more wheel wheel shafts second gear 5 → more wheels Wheel shaft B → the 3rd gear of the 4th 7 → jackshaft of gear of more wheel wheel shafts and 11 → jackshaft of double rolling key clutch C → jackshaft increase Torsion driving gear 12 → output shaft torque driven gear 13 → most exported afterwards through output shaft D, material is thus formed 6 gears that advance.

When first clutch K1 is combined, while the 3rd clutch K3 is also in relation with other clutches are all off, from starting The power of machine passes through fluid torque-converter S2 or damping spring S4, S5 and lock-up clutch S3 → input shaft A → first clutch K1 → input shaft first gear 1 → the 9 → the 3rd clutch K3 of more wheel wheel shaft 4 → jackshafts of first gear first gear → jackshaft C → jackshaft torque driving gear 12 → output shaft torque driven gear 13 → most exported afterwards through output shaft D, material is thus formed Advance 7 gears.

When combined cover 14 selects to be combined with output shaft second gear 2, second clutch K2 is combined, while the 3rd clutch K3 Also in relation with other clutches are all off, and the power from engine passes through fluid torque-converter S2 or damping spring S4, S5 and lock Only clutch S3 → input shaft A → second clutch K2 → spline hub sleeve axis A ' → 14 → input shaft of combined cover second gear 2 → More wheel wheel shaft second gears 5 → more wheel wheel shafts B → the 9 → the 3rd clutch of more wheel wheel shaft 4 → jackshafts of first gear first gear K3 → jackshaft C → jackshaft torque driving gear 12 → output shaft torque driven gear 13 → most exported afterwards through output shaft D, this Sample is formed 8 gears that advance.

When first clutch K1 is combined, while the 4th clutch K4 is also in relation with other clutches are all off, from starting The power of machine passes through fluid torque-converter S2 or damping spring S4, S5 and lock-up clutch S3 → input shaft A → first clutch K1 → input shaft first gear 1 → more wheel wheel shafts first gear 4 → more wheel wheel shafts B → more wheels the 3rd 6 → jackshaft of gear second of wheel shaft The clutch K4 of gear 10 → the 4th → jackshaft C → jackshaft torque driving gear 12 → output shaft torque driven gear 13 → most Exported by output shaft D, material is thus formed 9 gears that advance.

When combined cover 14 selects to be combined with output shaft second gear 2, second clutch K2 is combined, while the 4th clutch K4 Also in relation with other clutches are all off, and the power from engine passes through fluid torque-converter S2 or damping spring S4, S5 and lock Only clutch S3 → input shaft A → second clutch K2 → spline hub sleeve axis A ' → 14 → input shaft of combined cover second gear 2 → More wheel wheel shaft second gears 5 take turns wheel shaft B → the 10 → the 4th clutch K4 of the 3rd 6 → jackshaft of gear second gear of more wheel wheel shafts more → jackshaft C → jackshaft torque driving gear 12 → output shaft torque driven gear 13 → most exported afterwards through output shaft D, so It is formed 10 gears that advance.When first clutch K1 combinations, while the 5th clutch K5 is combined, other clutches are all off, Power from engine passes through fluid torque-converter S2 or damping spring S4, S5 and lock-up clutch S3 → input shaft A → the first Clutch K1 → input shaft first gear 1 → more wheel wheel shafts first gear 4 → more wheel wheel shaft B → the 5th clutch K5 → most pass through afterwards Output shaft D is exported, and material is thus formed 11 gears that advance.

When combined cover 14 selects to be combined with output shaft second gear 2, second clutch K2 is combined, while the 5th clutch K5 With reference to other clutches are all off, and the power from engine passes through fluid torque-converter S2 or damping spring S4, S5 and locking Clutch S3 → input shaft A → second clutch K2 → spline hub sleeve axis A ' → 14 → input shaft of combined cover second gear 2 → more Wheel shaft second gear 5 → more wheel wheel shafts B → the 5th clutch K5 → is taken turns most to export through output shaft D afterwards, material is thus formed advance 12 gears.

When combined cover 14 selects and the 3rd gear 3 of output shaft and output shaft second gear 2 all disconnect, the spline with synchronizer To being completely superposed, second clutch K2 is combined hub diameter, while second to reverse gear on idler shaft is reversed gear idle pulley and combined cover 16 and the One reverses gear idle pulley and splined hub 15 also in relation with the controller of double rolling key clutch is opened, other clutches are all off, come from The power of engine is by the clutch of fluid torque-converter S2 or damping spring S4, S5 and lock-up clutch S3 → input shaft A → second Device K2 → spline hub sleeve axis A ' → combined cover and the driving gear 14 → the second that reverses gear reverse gear idle pulley 16 → the first reverse gear idle pulley 15 → More the 5th 8 → wheel wheel shaft B more of gear of wheel wheel shaft → the 3rd gears of the 4th 7 → jackshaft of gear of more wheel wheel shafts and bidirectional overtaking clutch 11 → jackshaft of device C → jackshaft torque driving gear 12 → output shaft torque driven gear 13 → most exported afterwards through output shaft D, Material is thus formed the 1st to reverse gear.

When combined cover 14 selects and the 3rd gear 3 of output shaft and output shaft second gear 2 all disconnect, the spline with synchronizer To being completely superposed, second clutch K2 is combined hub diameter, and the 3rd clutch K3 is combined, at the same reverse gear on idler shaft second reverse gear it is lazy Wheel and combined cover 16 reverse gear idle pulley and splined hub 15 also in relation with, the controller unlatching of double rolling key clutch with first, other from Clutch is all off, the power from engine by fluid torque-converter S2 or damping spring S4, S5 and lock-up clutch S3 → Input shaft A → second clutch K2 → spline hub sleeve axis A ' → combined cover and the driving gear 14 → the second that reverses gear reverse gear idle pulley 16 → First reverses gear idle pulley 15 → more the 5th gears 8 of wheel wheel shaft → more wheel wheel shaft B → more wheels wheel shaft first gear the first tooth of 4 → jackshaft Wheel the 9 → the 3rd clutch K3 → jackshaft C → jackshaft torque driving gear 12 → output shaft torque driven gear 13 → last Exported through output shaft D, material is thus formed the 2nd to reverse gear.

When combined cover 14 selects and the 3rd gear 3 of output shaft and output shaft second gear 2 all disconnect, the spline with synchronizer To being completely superposed, second clutch K2 is combined hub diameter, and the 4th clutch K4 is combined, at the same reverse gear on idler shaft second reverse gear it is lazy Wheel and combined cover 16 reverse gear idle pulley and splined hub 15 also in relation with, the controller unlatching of double rolling key clutch with first, other from Clutch is all off, the power from engine by fluid torque-converter S2 or damping spring S4, S5 and lock-up clutch S3 → Input shaft A → second clutch K2 → spline hub sleeve axis A ' → combined cover and the driving gear 14 → the second that reverses gear reverse gear idle pulley 16 → First reverses gear idle pulley 15 → more the 5th gears 8 of wheel wheel shaft → more wheel wheel shaft B → more wheels the 3rd the second tooth of 6 → jackshaft of gear of wheel shaft Wheel the 10 → the 4th clutch K4 → jackshaft C → jackshaft torque driving gear 12 → output shaft torque driven gear 13 → last Exported through output shaft D, material is thus formed the 3rd gear.

When combined cover 14 selects and the 3rd gear 3 of output shaft and output shaft second gear 2 all disconnect, the spline with synchronizer To being completely superposed, second clutch K2 is combined hub diameter, and the 5th clutch K5 is combined, at the same reverse gear on idler shaft second reverse gear it is lazy Wheel and combined cover 16 reverse gear idle pulley and splined hub 15 also in relation with, the controller unlatching of double rolling key clutch with first, other from Clutch is all off, the power from engine by fluid torque-converter S2 or damping spring S4, S5 and lock-up clutch S3 → Input shaft A → second clutch K2 → spline hub sleeve axis A ' → combined cover and the driving gear 14 → the second that reverses gear reverse gear idle pulley 16 → The clutch K5 of first reverses gear idle pulley 15 → more the 5th gears 8 of wheel wheel shaft → more wheel wheel shaft B → the 5th → most defeated through output shaft D afterwards Go out, material is thus formed the 4th to reverse gear.In first gear, fifth gear and sixth gear, due to the 3rd clutch K3 and the 4th clutch K4 is disconnected, and the outer ring rotation of the 3rd gear 11 of powered jackshaft, outer ring promotes contract block to promote inner circle rotation again, so Double rolling key clutch is in positive drive state.First when reversing gear, the control platen pressure work of double rolling key clutch, by All it is disconnected in the 3rd clutch K3 and the 4th clutch K4, the outer ring of the 3rd gear 11 of powered jackshaft is reversely revolved Turn, outer ring promotes contract block to promote inner circle to reversely rotate again, so double rolling key clutch is in back drive condition.Other gears When, since a clutch in the 3rd clutch K3 and the 4th clutch K4 and the 5th clutch K5 is working, power pushes away The inner ring of the 3rd gear 11 of dynamic jackshaft is rotated, and double rolling key clutch surmounts discrete state.B is schemed in Fig. 1 for the present invention An example in first embodiment middle gear and clutch position change programme, is by the gear 12 and gear of torque gear set 13 move between the 5th clutch K5 and main reducing gear from the attached case S8 of speed changer and eliminate the attached case of speed changer, other structures and each It is all identical with first embodiment to keep off kinetic current, c is reverse gear in first embodiment idle pulley and idler shaft and input shaft and more wheel wheel shafts On the relative position of gear and the schematic diagram of meshing relation.

Power transfer path when Fig. 2, Fig. 3 and Fig. 4 are each gear in first embodiment of the invention, wherein, 4 gears that advance, 11 gears, the gear of advance 12 and the 4th reverse gear of advancing are primary transmission, and other gears are that three-level is driven, it can be seen from the figure that due to The effect of more wheel wheel shaft structures, makes all gears on input shaft to form a primary transmission path and a three-level transmission First order drive path, considerably increase gear number.

Fig. 5 is the arrangement of clutch and gearratio chart that each gear combines in first embodiment of the invention, can be with from chart Finding out each gear gearratio streamlining of more wheel wheel shaft structure speed changers of the present invention gradually increases, starting boost phase (transmission Than 4.2-1.8) between than be between 1.32 normally travel stages (gearratio 1.6-0.5) ratio be 1.15, gear is intensive uniform It is highly desirable, but also can be according to the performance of engine and the requirement most low gear gearratio 6 of automobile to top gear gearratio 0.4 Between allocate, therefore have splendid dynamic property comfort and economy.

Fig. 6 is the another two example in arrangement of clutch structure change scheme in first embodiment of the invention, wherein shown in figure a It is to be rotatably arranged on more wheel wheel shafts on mission case by bearing, output shaft is passed through into the rotatable sky of needle bearing It is sleeved on more wheel wheel shafts.It is that the 5th clutch K5 has been arranged on output shaft end to scheme b.

Fig. 7 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the second embodiment of the present invention Position is set and with input shaft jackshaft output shaft and the structural representation of corresponding gear and arrangement of clutch position relationship thereon Figure, second embodiment is that the 5th clutch K5 is eliminated on the basis of first embodiment, take turns wheel shaft first gears 4 only with it is defeated Enter axis first gear 1 to engage, take turns wheel shaft second gears 5 engaged with input shaft second gear 2 and meanwhile also with the first tooth of jackshaft The engagement of wheel 8, the 3rd clutch K3 control the connection of jackshaft first gear 8 and jackshaft or separate, the 4th clutch K4 controls The connection of the second torque of jackshaft driving gear 10 and jackshaft separates, and adds the second torque driven gear on output shaft 11, and the second kinetic current for the third level to form three-level transmission is engaged with the second torque of jackshaft driving gear 10, and will output Axis torque driven gear 13 is increased by fixed output shaft, being changed to be rotatably arranged on output shaft by rolling bearing One double rolling key clutch integrated with it controls the connection of itself and output shaft or separates.More wheel wheel shafts of the invention Structure speed changer second embodiment contrast first embodiment eliminates the 5th clutch K5, thus has lacked the dynamic of 3 primary transmissions Force flow, but the power transfer path of the third level of a three-level transmission is the increase in, its forward gear digit is by 1 original × 3+1 × 3 × 3 × 1=12 gear changes into 1 × 3 × 2 × 2=12 gear, reverses gear and changes into 1 by 1 × 1+1 × 1 × 3 × 1=4 gear × 1 × 2 × 2=4 gear.

A is schemed in Fig. 8 for an example in the gear and clutch position change programme of the second embodiment of the present invention, is The gear 12 of torque gear set and gear 13 are moved between the 5th clutch K5 and main reducing gear from the attached case S8 of speed changer and cancelled Speed changer attached case, figure b are reverse gear idle pulley and the idler shaft of second embodiment with input shaft and take turns the phase of the gear on wheel shaft more To the schematic diagram of position and meshing relation.

Fig. 9 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the third embodiment of the present invention Position is set and with input shaft jackshaft output shaft and the structural representation of corresponding gear and arrangement of clutch position relationship thereon Figure, 3rd embodiment are that the 5th clutch K5, the 3rd gear of input shaft and more wheel wheels are eliminated on the basis of first embodiment The 5th gear of axis, spline hub sleeve axis control input axis second gear and reverse driving gear 14 on input shaft, before realization It is 1 × 2 × 3 × 1=6 gear into gear number, the number that reverses gear greatly reduces gearbox for 1 × 1 × 3 × 1=3 gear, this scheme Size, alleviates gearbox weight, there is very big moment of torsion increase space.

In Figure 10 a be in the fourth embodiment of the present invention more wheel wheel shaft spline hub sleeve axis double rolling key clutch it is castellated from Clutch sets position and with input shaft jackshaft output shaft and the thereon structure of corresponding gear and arrangement of clutch position relationship Schematic diagram, fourth embodiment are that the 5th clutch K5, the 3rd gear of input shaft, more wheels are eliminated on the basis of first embodiment Wheel shaft the 4th and more wheel the 5th gears of wheel shaft, spline hub sleeve axis control input axis second gear 2 and reverse gear master on input shaft Moving gear 14, wheel shaft first gears 3 of taking turns only engage more with input shaft first gear 1, take turns wheel shaft second gears 4 and input shaft the more The engagement of two gears 2 is also engaged with jackshaft second gear 6 at the same time, the 3rd clutch K3 control jackshafts second gear 6 and centre The connection or separation of axis, the 4th clutch K4 control the connection of the second torque of jackshaft driving gear 8 and jackshaft or separate, increase The second torque driven gear 9 on output shaft is added, has formed the second kinetic current of the third level of three-level transmission, and will export originally It is changed to be rotatably arranged on output shaft by rolling bearing on the output shaft that axis torque driven gear is fixed, increases by one pair The connection of itself and output shaft is controlled to freewheel clutch or is separated, and itself and double rolling key clutch are integrated into my one.This hair Bright more wheel wheel shaft structure speed changer second embodiment contrast first embodiments eliminate the 5th clutch K5, thus eliminate level-one The kinetic current of transmission, but the power transfer path of the third level of a three-level transmission is the increase in, its forward gear digit is 1 × 2 × 2 × 2=8 gear, reverses gear as 1 × 1 × 2 × 2=4 gear.This scheme greatly reduces gearbox size, alleviates speed change Case weight, there is very big moment of torsion increase space.B is the reverse gear meshing relation of 3rd embodiment and fourth embodiment in Fig. 6 Figure.

Figure 11 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the fifth embodiment of the present invention The setting position of the device and structure of corresponding gear and arrangement of clutch position relationship is shown with input shaft jackshaft output shaft and thereon It is intended to, the 5th embodiment is that the 5th clutch K5 is eliminated on the basis of first embodiment, thus has lacked the dynamic of primary transmission Force flow, its forward gear digit are 1 × 3 × 3 × 1=9 gear, are reversed gear as 1 × 1 × 3 × 1=3 gear.This arrangement reduces change Fast case size, alleviates gearbox weight, there is very big moment of torsion increase space.

Figure 12 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the sixth embodiment of the present invention The setting position of the device and structure of corresponding gear and arrangement of clutch position relationship is shown with input shaft jackshaft output shaft and thereon It is intended to, sixth embodiment is to remain the 5th clutch K5 on the basis of fourth embodiment more, thus remains 2 level-ones and pass Dynamic kinetic current, and the power transfer path of the third level of a three-level transmission is added, its forward gear digit is 1 × 2+1 × 2 × 2 × 2=10 gear, reverses gear as 1 × 1+1 × 2 × 2=5 gear.This scheme greatly reduces gearbox size, mitigates Gearbox weight, the space of the torque carrying capability that has greatly increased.

Figure 13 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the seventh embodiment of the present invention The setting position of the device and structure of corresponding gear and arrangement of clutch position relationship is shown with input shaft jackshaft output shaft and thereon It is intended to, the 7th embodiment is on the basis of the second implementation shown in Fig. 8 is exemplary, and one is added on input shaft by needle roller axis Hold be rotatably arranged on input shaft gear and the control added its with input axis connection or separated arrangement of clutch, it advances Gear number is 1 × 4 × 2 × 2=16 gear, is reversed gear as 1 × 2 × 2=4 gear.This scheme is in current gearbox size Realize more gear.

Figure 14 is more wheel wheel shaft spline hub sleeve axis double rolling key clutch jaw clutches in the eighth embodiment of the present invention The setting position of the device and structure of corresponding gear and arrangement of clutch position relationship is shown with input shaft jackshaft output shaft and thereon It is intended to, the 8th embodiment is to be provided with the 5th clutch K5 on jackshaft on the basis of the 5th embodiment, and is additionally arranged double To freewheel clutch and gear conglomerate 13, thus the power transfer path of the third level of three-level transmission is added, before it It is 1 × 3 × 2 × 2=18 gear into gear number, reverses gear as 1 × 3 × 2=6 gear.This scheme is in current gearbox size Inside realize more gear.

It is that more wheel wheel shaft spline hub sleeve axis double rolling key clutch are castellated in the ninth embodiment of the present invention that a is schemed in Figure 15 Clutch sets position and with input shaft jackshaft output shaft and the thereon knot of corresponding gear and arrangement of clutch position relationship Structure schematic diagram, this is the scheme of a longitudinal speed changer, it is converted on the basis of first scheme, and figure b is longitudinal scheme In structure of reversing gear transmission shaft position and gear drive relation schematic diagram, much a kind of wheel wheel shaft structure speed changers include speed change Device babinet S1, the input shaft A being rotatably arranged on bearing on babinet, it is rotatable with needle bearing and empty set to be arranged on More wheel wheel shaft B, with the jackshaft C being arranged on input shaft of the rotatable empty set of needle bearing bearing, use bearing on output shaft Output shaft D on babinet and parallel with input shaft is rotatably arranged on, more gear speed transmissions further include：Input shaft first Gear 1, it is rotatably arranged on input shaft A by needle bearing；First clutch K1 is fixed on input shaft by spline On, to make input shaft first gear 1 and input shaft A connections or separate；Second clutch K2 is fixed on input shaft A by spline On, the spline hub sleeve axis A ' to make to be rotatably arranged on input shaft A by needle bearing is connected or divides with input shaft A From；Input shaft second gear 2 is rotatably arranged on spline hub sleeve axis A ' by needle bearing, and makes it by combined cover 14 With spline hub sleeve axis A ' connections or separating, it is gear maximum on input shaft；The 3rd gear 3 of input shaft can by needle bearing It is rotating to be arranged on input shaft A, and make it with spline hub sleeve axis A ' connections by combined cover 15 or separate, it is on input shaft Minimum gear；Combined cover 15 becomes one with the driving gear that reverses gear, and empty set is in splined hub；More wheel wheel shaft first gears 4, More wheel wheel shaft second gears 5, the 3rd gear 6 of more wheel wheel shafts, the 4th gear 7 of more wheel wheel shafts, more wheel the 5th gears 8 of wheel shaft and more Wheel the 6th gear 9 of wheel shaft is fixed on more wheel wheel shaft B, and jackshaft first gear 10 is set by the way that needle bearing is rotatable Put on jackshaft C；And by being fixed on jackshaft C and making itself and centre with its double rolling key clutch to become one Axis C connections or separation；Jackshaft second gear 11 is rotatably arranged on jackshaft C by needle bearing；3rd clutch K3 is fixed on jackshaft C by spline, to make jackshaft second gear 11 and jackshaft C connections or separate；4th clutch Device K4 is fixed on jackshaft C by spline, and the 3rd gear 12 of jackshaft is rotatably arranged on jackshaft C by needle bearing On, and make it with jackshaft C connections by the 4th clutch K4 or separate；What torque driving gear 13 was fixed is arranged on jackshaft On C；What torque driven gear 14 was fixed is arranged on output shaft D；More wheel wheel shaft first gears 4 are nibbled with input shaft first gear 1 Close, wheel shaft second gears 5 of taking turns engage more with input shaft second gear 2；More the 3rd gears 6 of wheel wheel shaft and the 3rd gear 3 of input shaft Engagement；More wheel the 4th gears 7 of wheel shaft are nibbled with the wheel of the first tooth of jackshaft 10；More the 5th gears 8 of wheel wheel shaft and jackshaft second gear 11 engagements；More wheel the 6th gears 9 of wheel shaft are engaged with the 3rd gear 12 of jackshaft；Torque driving gear 13 and torque driven gear 14 Engagement；5th clutch K5 is fixed on output shaft D by spline, to make more wheel wheel shaft B and output shaft D connections or separate. More wheel wheel shaft B can be a bearing, pass through the rotatable empty set of needle bearing together with the gear being fixed thereon Be arranged on output shaft D；Can also be that a section short axle is linked together by keyway, together with the gear one being fixed thereon Rise and be rotatably arranged on by needle bearing on output shaft D, the keyway between short axle makes each section of between centers relatively unrotatable, can only Together under the control of the 5th clutch K5, rotated on output shaft D or fixed.The idler shaft E that reverses gear is rotatable by bearing It is arranged on mission case S1；First splined hub for reversing gear idle pulley 16 and dental forceps formula clutch becomes one by needle roller axis Hold to be arranged on and reverse gear on idler shaft, and engaged with the gear 6 on more wheel wheel shafts；Second reverses gear idle pulley 17 and dental forceps formula clutch Combined cover becomes one, and is arranged on and reverses gear on idler shaft by what spline served as a contrast that hub fixes, and with reversing gear actively on input shaft Gear 15 engages.Other structures are identical with first scheme.Since unique more wheel wheel shaft structures of the present invention have input shaft The increased effect of power transmission path, in the ninth embodiment of the present invention, by taking turns wheel shaft structure, using on input shaft more Three forward gears and a reverse gear, form 3 primary transmissions forward gear kinetic current and 3 three-levels transmissions The level-one of the kinetic current and 1 three-level transmission of level-one forward gear kinetic current and 1 primary transmission of reversing gear is reversed gear kinetic current, and The second motive force stream of 3 three-levels transmission and the three-level torque kinetic current of 1 three-level transmission are formd on jackshaft.Make longitudinal speed change The advance gear number that device is finally realized is 1 × 3+1 × 3 × 3 × 1=12 gear, and the gear number of reversing gear of realization is 1 × 1+1 × 1 × 3 × 1 =4 gears, substantially increase smooth gear shifting and fuel economy.

Figure 16 is to be driven in the tenth embodiment of the present invention in shaft position gear position and clutch position change programme One example, be on the basis of the 9th embodiment, will wheel shaft more by originally by the rotatable empty set of needle bearing defeated It is changed to be rotatably arranged on mission case S1 by bearing on shaft, and output shaft is rotatable by needle bearing Empty set is arranged on more wheel wheel shafts, and the 5th clutch K5 by being arranged on output shaft for spline fixation also by being changed to lead to originally Cross spline fixation to be arranged on more wheel wheel shafts other identical with the 11st embodiment.

Figure 17 be in the 11st embodiment of the present invention more wheel wheel shaft spline hub sleeve axis double rolling key clutch it is castellated from Clutch sets position and with input shaft jackshaft output shaft and the thereon structure of corresponding gear and arrangement of clutch position relationship Schematic diagram, is on the basis of Figure 16 example showns, jackshaft C is cancelled, and output shaft D is moved on the position of original jackshaft C, And the 3rd clutch K3 and K4 has been arranged on more wheel wheel shafts, more wheel the 7th gears 10 of wheel shaft are added, it passes through needle roller axis Hold and be rotatably arranged on more wheel wheel shafts, and it is taken turns axis connections with more wheels or is separated by the 5th clutch K5；Output shaft First gear 11 becomes one with double rolling key clutch, is engaged with more wheel the 4th gears 7 of wheel shaft；Output shaft second gear 12 Fixed is arranged on output shaft, and is engaged with more wheel the 5th gears 8 of wheel shaft, and what the 3rd gear 13 of output shaft was fixed is arranged on defeated On shaft, and engaged with more wheel the 6th gears 9 of wheel shaft；The 4th gear 14 of output shaft fix be arranged on output shaft, and with it is more Wheel the 7th gear 10 of wheel shaft engages；Other are identical with the 11st embodiment, due to eliminating jackshaft, three-level transmission originally Also secondary transmission is reduced to, after the change of the 5th clutch K5 positions and position of output axle, the power for cancelling 3 primary transmissions passes Path is passed, adds the second level power transfer path in a secondary transmission, the forward range of twelveth embodiment of the invention Number also changes into 1 × 3 × 4=12 gear by original 1 × 3+1 × 3 × 3 × 1=12 gear, reverses gear and also changes into 1 × 1 × 4 =4 gears.

Figure 18 be in the 12nd embodiment of the present invention more wheel wheel shaft spline hub sleeve axis double rolling key clutch it is castellated from Clutch sets position and with input shaft jackshaft output shaft and the thereon structure of corresponding gear and arrangement of clutch position relationship Schematic diagram, is the longitudinal speed changer structure on the basis of second embodiment, referring to attached drawing, this embodiment eliminate the 5th from Clutch K5, the 4th clutch K4 are arranged on output shaft, control the first torque of output shaft driven gear 13 and output axis connection Or separation；The second torque of output shaft driven gear 14 becomes one with double rolling key clutch, rotatable by needle bearing Be arranged on output shaft and control it axis connection or to be separated with output by double rolling key clutch；The 5th gear 8 of more wheel wheel shafts is logical Needle bearing is crossed to be rotatably arranged on more wheel wheel shafts, and by using spline fix the be arranged on more wheel wheel shafts the 3rd from Clutch K3 controls the connection of itself and more wheel wheel shafts or separates；Jackshaft first gear 9 becomes one with double rolling key clutch, And engaged with more wheel the 4th gears 7 of wheel shaft；What jackshaft second gear 10 was fixed is arranged on jackshaft, and with more wheel wheel shafts the Five gears 8 engage；Jackshaft the first torque driving gear is engaged with the first torque of output shaft driven gear 13；Jackshaft second increases Driving gear 12 is turned round to engage with the second torque of output shaft driven gear 14.Its forward gear digit is 1 × 3 × 2 × 2=12 gear, Gear number of reversing gear is 1 × 1 × 2 × 2=4 gear.

Above-described embodiment and change programme example are not limitations of the present invention simply to the description of the invention, The present invention is also not limited to the example above, and those skilled in the art are made in the essential scope of the present invention Change, change addition or replace should also belong to the scope of the present invention.

Claims

1. a kind of more wheel wheel shaft structure speed changers, including the input shaft being arranged in parallel, jackshaft and output shaft；It is characterized in that： Further include and taken turns by the more wheel wheel shafts being arranged on output shaft and fixed more wheels that are arranged on of the rotatable empty set of needle bearing More wheel wheel shaft first gears on axis, more wheel wheel shaft second gears, more wheel the 3rd gears of wheel shaft and more wheel the 4th gears of wheel shaft with And more wheel the 5th gears of wheel shaft；Input shaft first gear, it is rotatably arranged on input shaft by needle bearing；First from Clutch (K1) is fixed on input shaft by spline, to make input shaft first gear with inputting axis connection or separating；Second from Clutch (K2) is fixed on input shaft by spline, to make the spline being rotatably arranged on by needle bearing on input shaft Hub sleeve axis is with inputting axis connection or separating；Input shaft second gear is rotatably arranged on spline hub sleeve axis by needle bearing On, and make it with spline hub sleeve axis connection by combined cover or separate, it is gear maximum on input shaft；The 3rd tooth of input shaft Wheel is rotatably arranged on input shaft by needle bearing, and is made it with spline hub sleeve axis connection by combined cover or separated, It is gear minimum on input shaft；Combined cover becomes one with the driving gear that reverses gear, and empty set is in splined hub；Jackshaft One gear is rotatably arranged on jackshaft by needle bearing；3rd clutch (K3) is fixed on jackshaft by spline On, to make jackshaft first gear and middle axis connection or separate；4th clutch (K4) is fixed on jackshaft by spline On, jackshaft second gear is rotatably arranged on jackshaft by needle bearing, and makes it by the 4th clutch (K4) With middle axis connection or separating；The 3rd gear of jackshaft is rotatably arranged on jackshaft by needle bearing, and by solid It is scheduled on jackshaft and makes it with middle axis connection with its double rolling key clutch to become one or separate；Torque driving tooth Wheel is fixed to be arranged on jackshaft；What torque driven gear was fixed is arranged on output shaft；More wheel wheel shaft first gears with it is defeated Enter the engagement of axis first gear, while engaged with jackshaft first gear；More wheel wheel shaft second gears are nibbled with input shaft second gear Close；More wheel the 3rd gears of wheel shaft are engaged with jackshaft second gear；More wheel the 4th gears of wheel shaft are nibbled with the 3rd gear of jackshaft；It is more Wheel the 5th gear of wheel shaft is engaged with the 3rd gear of input shaft；Torque driving gear is engaged with torque driven gear；5th clutch (K5) it is fixed on by spline on output shaft, to make more wheel wheel shafts with exporting axis connection or separating.

2. more wheel wheel shaft structure speed changers according to claim 1, it is characterised in that：More wheel wheel shaft structure speed change utensils Have with lower structure：A. more wheel wheel shaft structures；B. spline hub sleeve axle construction；C. double rolling key clutch structure；D. reverse gear idle pulley tooth Embedded-type clutch structure.

3. more wheel wheel shaft structure speed changers according to claim 1 or claim 2, it is characterised in that：More wheel wheels More wheel wheel shaft structures in axle construction speed changer include one serve increase power transfer path by multiple idle pulley gear sets Into more wheel wheel shafts, the power that more wheel wheel shafts are arranged between input shaft and jackshaft or between input shaft and output shaft passes Pass on path, be responsible for the power of input shaft passing to jackshaft that output shaft is passed to by jackshaft again, or by the dynamic of input shaft Power is directly passed to output shaft；More wheel wheel shafts are made of axostylus axostyle and the fixed multiple gears being arranged on axostylus axostyle；More wheels Wheel shaft is a hollow shaft, empty together with the gear being disposed thereon being arranged on output shaft by needle bearing empty set One end of more wheel wheel shafts of set is equipped with clutch with output between centers, passes through its rotation or solid with exporting between centers of clutch control It is fixed；When controlling clutch to combine, more wheel wheel shafts are fixed with output shaft becomes an axis, and power is directly delivered to defeated from input shaft On shaft, primary transmission is formed, forms a level-one with more wheel wheel shaft gear meshed gears on so each input shaft Power transfer path；When controlling clutch separation, wheel shafts of taking turns rotate more on output shaft, become to be integrated by multiple idle pulley gears The governor idle gear wheel shaft of one, power are delivered to more wheel wheel shafts from input shaft, then are delivered to by jackshaft by wheel shaft more defeated Shaft forms three-level transmission, by taking turns wheel shaft structure more, using three forward gears and a reverse gear on input shaft, Form the forward gear kinetic current of 3 primary transmissions and the level-one forward gear kinetic current and 1 level-one of reversing gear of 3 three-levels transmissions The kinetic current of transmission and the level-one of 1 three-level transmission are reversed gear kinetic current, and the two level of 3 three-levels transmissions is formd on jackshaft Kinetic current and the three-level torque kinetic current of 1 three-level transmission, finally realize 12 forward gears and 4 reverse gear.

4. more wheel wheel shaft structure speed changers according to claim 1 or claim 2, it is characterised in that：More wheel wheels Axle construction speed changer can accordingly increase or decrease according to demand input shaft, more wheel wheel shaft and gear on jackshaft and accordingly from Clutch increases or decreases gear quantity, and the more wheel wheel shaft structures of 6 gears, the more wheel wheel shaft knots of 8 gears are formed under structural principle of the present invention Structure, the more wheel wheel shaft structures of 10 gears, the more wheel wheel shaft structures of 12 gears or the more wheel wheel shaft structures of 18 gears.

5. more wheel wheel shaft structure speed changers according to claim 1 or claim 2, it is characterised in that：More wheel wheels Spline hub sleeve axle construction in axle construction speed changer include it is fixed be arranged on input shaft to make splined hub set axis with it is defeated Enter axis connection or separated clutch, by the spline hub sleeve axis being arranged on input shaft of the rotatable empty set of needle bearing, The internal spline hub of the clutch of spline hub sleeve axis one end is fixed on, is fixed on the spline of the synchronizer of the spline hub sleeve axis other end Hub, synchronous ring, and the clutch collar of the synchronizer to become one with the driving gear that reverses gear；Also set up on the spline hub sleeve axis There is the maximum gear on input shaft, it is rotatably arranged on spline hub sleeve axis by needle bearing, passes through spline hub sleeve axis On synchronizer control its with spline hub sleeve axis connection or separate；Minimum gear is rotatable by needle bearing on input shaft It is arranged on input shaft, by the control of the synchronizer on spline hub sleeve axis, it with spline hub sleeve axis connection or is separated, with spline In clutch control, similarly hereinafter spline hub sleeve axis axis connection or separates the gear of hub sleeve axis connection with input together.

6. more wheel wheel shaft structure speed changers according to claim 1 or claim 2, it is characterised in that：More wheel wheels Double rolling key clutch in axle construction speed changer includes the inner ring being fixed on by spline on jackshaft；One is integrated into gear Body is rotatably arranged on the outer ring on inner ring by needle bearing；It is close to the fixation that outer ring inner circle is set between inner ring and outer ring Retainer, and the spacing block set being arranged on fixed retainer；The work set between fixed retainer inner circle and inner ring are cylindrical Dynamic retainer, and the limiting groove being arranged on movable retainer；It is arranged between inner ring and outer ring, passes through fixed retainer The two-way contract block fixed and controlled with movable retainer；It is arranged on movable retainer and is responsible for controlling connecing for two-way contract block and inner ring The holding spring of touch pressure；Further include the return spring between fixed retainer and movable retainer；Contract Block direction controls platen.

7. more wheel wheel shaft structure speed changers according to claim 2, it is characterised in that：More wheel wheel shaft structure speed changers Reverse gear idle pulley dental forceps formula clutch configuration include by needle bearing be rotatably arranged on mission case reverse gear it is lazy Wheel shaft, the first splined hub for reversing gear idle pulley and dental forceps formula clutch becomes one is arranged on the idler shaft that reverses gear by needle bearing On, and engaged with the maximum gear on more wheel wheel shafts；Second combined cover for reversing gear idle pulley and dental forceps formula clutch becomes one, Being arranged on for hub fixation is served as a contrast by spline to reverse gear on idler shaft, and is engaged with the driving gear that reverses gear on input shaft；Second reverses gear The pumping cavity of sealing ring formation is provided between idle pulley and the idler shaft that reverses gear, in the idler shaft that reverses gear and corresponding pumping cavity position Oil-filled and oil extraction oil duct is provided with, second reverses gear is equipped with concentric or parallel with the idler shaft that reverses gear one between idle pulley and spline lining hub A or multiple return springs；When reversing gear, second idle pulley that reverses gear is promoted to reverse gear idle pulley one to first to pumping cavity is oil-filled by oil duct Side movement movement, makes second to reverse gear idle pulley compression retracteding position spring and the splined hub that makes combined cover reverse gear with first on idle pulley is combined, Connection is reversed gear bang path；Cut-out is when reversing gear, and pumping cavity enters oil extraction state, and return spring promotion second reverses gear idle pulley to pressure oil Chamber side is moved, and making second to reverse gear idle pulley compression pumping cavity oil extraction and divides combined cover and the first splined hub reversed gear on idle pulley From cut-out is reversed gear bang path.

8. more wheel wheel shaft structure speed changers according to claim 2, it is characterised in that：More wheel wheel shaft structure speed changers The idle pulley dental forceps formula clutch configuration that reverses gear idle pulley can also be changed to forward gears, by jaw clutch structure be used in it is defeated Enter axis to take turns on wheel shaft jackshaft and output shaft more.

9. more wheel wheel shaft structure speed changers according to claim 1, it is characterised in that：When setting one on the jackshaft During a torque gear, torque driving gear and jackshaft and torque driven gear and output between centers all fixed-links；When in centre When setting two torque gears to form two power transfer paths on axis, torque driving gear in each power transfer path and A torque gear in the torque driven gear engaged and between centers where it are fixed-link, another torque gear is adopted With being rotatably arranged on by needle bearing on the axis where it, and corresponding arrangement of clutch is set to control itself and place axis Connection or separation.

10. a kind of more wheel wheel shaft structure speed changers, including the input shaft being arranged in parallel, jackshaft and output shaft；It is characterized in that： Further include the more wheel wheel shafts being rotatably arranged on by needle bearing on case of transmission and wheel shafts are taken turns in fixed being arranged on more On more wheel wheel shaft first gears, more wheel wheel shaft second gear, the 3rd gear of more wheel wheel shafts, more wheel the 4th gears of wheel shaft and more wheels The 5th gear of wheel shaft；Input shaft first gear, it is rotatably arranged on input shaft by needle bearing；First clutch (K1) it is fixed on by spline on input shaft, to make input shaft first gear with inputting axis connection or separating；Second clutch (K2) it is fixed on by spline on input shaft, to make the spline hub sleeve being rotatably arranged on by needle bearing on input shaft Axis is with inputting axis connection or separating；Input shaft second gear is rotatably arranged on spline hub sleeve axis by needle bearing, and Make it with spline hub sleeve axis connection by combined cover or separate, it is gear maximum on input shaft；The 3rd gear of input shaft leads to Cross needle bearing to be rotatably arranged on input shaft, and make it with spline hub sleeve axis connection by combined cover or separate, it is Minimum gear on input shaft；Combined cover becomes one with the driving gear that reverses gear, and empty set is in splined hub；The first tooth of jackshaft Wheel is rotatably arranged on jackshaft by needle bearing；3rd clutch (K3) is fixed on jackshaft by spline, is used So as to jackshaft first gear and middle axis connection or separate；4th clutch (K4) is fixed on jackshaft by spline, in Countershaft second gear is rotatably arranged on jackshaft by needle bearing, and makes itself and centre by the 4th clutch (K4) Axis connection or separation；The 3rd gear of jackshaft is rotatably arranged on jackshaft by needle bearing, and by being fixed in On countershaft and make it with middle axis connection with its double rolling key clutch to become one or separate；Torque driving gear is fixed Be arranged on jackshaft；What torque driven gear was fixed is arranged on output shaft；Output shaft is rotatable by needle bearing Empty set is arranged on more wheel wheel shafts, and the 5th clutch (K5) is fixed on more wheel wheel shafts by spline, to make more wheel wheel shafts With exporting axis connection or separating.