CN207333594U - Multi-gear superposing type speed changer - Google Patents
Multi-gear superposing type speed changer Download PDFInfo
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- CN207333594U CN207333594U CN201721094413.6U CN201721094413U CN207333594U CN 207333594 U CN207333594 U CN 207333594U CN 201721094413 U CN201721094413 U CN 201721094413U CN 207333594 U CN207333594 U CN 207333594U
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Abstract
A kind of multi-gear superposing type speed changer, including input shaft, output shaft, jackshaft, drive bevel gear group, driven wheel of differential group and gearshift synchronizer group：Gear of output end group is connected with jackshaft, gear of output end group both ends connect jackshaft and output shaft respectively；Drive bevel gear group has the drive bevel gear of a plurality of coaxial stacked distributions, and drive bevel gear is fixedly connected with input shaft；Driven wheel of differential group has a plurality of driven wheel of differential being arranged one by one, driven wheel of differential is coaxially sheathed on jackshaft, driven wheel of differential keeps engaging one by one and forms change gear group with drive bevel gear, and change gear group has different gearratio and forms different gears；Gearshift synchronizer group is used to make the engaged/disengaged between switching driven wheel of differential and jackshaft.The utility model provide it is a kind of it is compact-sized, stiffness is high, be easy to increase gear multi-gear superposing type speed changer.
Description
Technical field
The utility model belongs to transmission technology field, is a kind of multi-gear superposing type speed changer specifically.
Background technology
Speed changer is for changing the rotating speed from engine and the mechanism of torque, it can be fixed or a point gear changes output shaft
With input shaft gearratio, also known as gearbox.Usually, speed changer includes list type manual transmission, automatic transmission, stepless change
The types such as fast device, double-clutch speed changer.
Although existing speed changer huge number, correspond to different structures and develop, be difficult to what is overcome with a kind of more
Problem.For example, manual transmission volume weight is big, it is difficult to increases gear；Although automatic gear-box gear relative abundance, volume
It is big and complicated；Buncher is difficult to bear high torque；Double-clutch speed changer belongs to more new type, its structure is answered
It is miscellaneous, R＆D and production is of high cost, technology is not yet ripe.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of multi-gear superposing type speed changer, has tight
Gather compact structure, improve structural rigidity and intensity, improve bearing capacity, and have the advantages that to be easy to increase gear.
The purpose of this utility model is achieved through the following technical solutions：
A kind of multi-gear superposing type speed changer, including input shaft and output shaft and：
An at least jackshaft, gear of output end group is connected with the jackshaft, and the gear of output end group, which has, protects
The output terminal driving gear and output terminal driven gear of engagement are held, the output terminal driving gear is fixed with the jackshaft to be connected
Connect, the output terminal driven gear is fixedly connected with the output shaft；
Drive bevel gear group, the drive bevel gear group have a plurality of drive bevel gears, and the drive bevel gear is coaxial
Ground is fixedly connected and synchronous rotary with the input shaft；
With the one-to-one driven wheel of differential group of the jackshaft, the driven wheel of differential group has a plurality of from mantle tooth
Wheel, a plurality of driven wheel of differential are coaxially sheathed on the jackshaft, the driven wheel of differential and the active conical tooth
Wheel keeps engaging one by one and forming change gear group, and a plurality of change gear groups have different gearratio and formed
Different gears；
Gearshift synchronizer group, the gearshift synchronizer group are used to make a driven wheel of differential and the jackshaft keep connecing
Close and synchronous rotary, while make remaining described driven wheel of differential keep separating with the jackshaft.
As the improvement of above-mentioned technical proposal, the driven wheel of differential group further includes rolling element, and adjacent is described from mantle
All side walls of gear surround at least one annular and roll raceway groove, the innermost driven wheel of differential and the jackshaft
All side walls surround at least one annular and roll raceway groove, a plurality of rolling elements are rollably held in described
Annular rolls raceway groove.
Further as above-mentioned technical proposal is improved, the adjacent driven wheel of differential and rolling element composition corner connection
Contact bearing structure.
Further as above-mentioned technical proposal is improved, and the gearshift synchronizer group is a plurality of with remaining engaged with each other
Inertial type of synchronizer, the radial direction of the inertial type of synchronizer along the jackshaft are arranged and keep connecing with the jackshaft one by one
Closing, the inertial type of synchronizer can gradually be engaged along the axial linear movement of the jackshaft with the driven wheel of differential,
Any time, at most only one inertial type of synchronizer remain engaged with the driven wheel of differential.
Further as above-mentioned technical proposal is improved, and the inertial type of synchronizer is connected with gearshift drive division, described to change
Gear drive division is used to drive the inertial type of synchronizer to move along a straight line.
Further as above-mentioned technical proposal is improved, and the inertial type of synchronizer has splined hub with being slidably retained
Clutch collar in the splined hub, the adjacent splined hub each other by spline engagement, the clutch collar away from it is described from
One end end face of dynamic bevel gear has fork slot, and the gearshift drive division is arranged on the selector fork in the fork slot for one end,
The selector fork be used for drive the clutch collar along the axial linear movement of the jackshaft and with the driven wheel of differential by
Gradually engage or separate.
Further as above-mentioned technical proposal is improved, and the splined hub is equipped with baffle ring, and the baffle ring is used to prevent institute
State axial linear movement of the splined hub along the jackshaft.
Further as above-mentioned technical proposal is improved, and the jackshaft is for two and coaxial positioned opposite, wherein an institute
Stating the gear of output end group on jackshaft also has idle pulley, and the idle pulley is arranged on output terminal driving gear and the output terminal
Engaged at the same time between driven gear and with the latter two.
Further as above-mentioned technical proposal is improved, and the tooth that reverses gear is also associated with the jackshaft equipped with the idle pulley
Wheel group, the reverse gear group have reverse gear driving gear and the driven gear that reverses gear, driving gear and the centre of reversing gear
Axis is fixedly connected, and the driven gear that reverses gear is fixedly connected with the output shaft.
Further as above-mentioned technical proposal is improved, and the reverse gear group is additionally provided with reverse gear synchronizer, described to reverse gear
Synchronizer is used to making reverse gear driving gear and the driven gear that reverses gear to reach consistent rotating speed and smoothly engage.
The beneficial effects of the utility model are：
By the multistage drive bevel gear of arranged stacked and be arranged the multistage driven wheel of differential of arrangement, drive bevel gear with from
Dynamic bevel gear keeps engaging correspondingly, and is controlled respectively between multistage driven wheel of differential and jackshaft with synchronizer group of shifting gears
Engaged/disengaged, made in any operative moment, an only driven wheel of differential is engaged with jackshaft, realizes the power of corresponding gear
Output, avoids the gearshift stroke of traditional structure and compresses the size of speed changer, reduces span and improves the bearing capacity of speed changer,
Can increase gear by being superimposed travelling gear, there is provided it is a kind of it is compact-sized, stiffness is high, be easy to increase gear speed change
Device.
To enable the above-mentioned purpose of the utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Attached drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the overall structure diagram for the multi-gear superposing type speed changer that the utility model embodiment 1 provides；
Fig. 2 is the First partial schematic diagram for the multi-gear superposing type speed changer that the utility model embodiment 1 provides；
Fig. 3 is the second partial schematic diagram of the multi-gear superposing type speed changer that the utility model embodiment 1 provides；
Fig. 4 is the 3rd partial schematic diagram of the multi-gear superposing type speed changer that the utility model embodiment 1 provides；
Fig. 5 is that the main view of the gearshift synchronizer group for the multi-gear superposing type speed changer that the utility model embodiment 1 provides is shown
It is intended to；
Fig. 6 is that the axis of the gearshift synchronizer group for the multi-gear superposing type speed changer that the utility model embodiment 1 provides measures
It is intended to；
Fig. 7 is the first gear power output figure of the multi-gear superposing type speed changer that the utility model embodiment 1 provides；
Fig. 8 is the second gear power output figure of the multi-gear superposing type speed changer that the utility model embodiment 1 provides；
Fig. 9 is the third gear position power output figure for the multi-gear superposing type speed changer that the utility model embodiment 1 provides；
Figure 10 is the fourth gear position power output figure for the multi-gear superposing type speed changer that the utility model embodiment 1 provides；
Figure 11 is the fifth gear position power output figure for the multi-gear superposing type speed changer that the utility model embodiment 1 provides；
Figure 12 is the 6th gear power output figure for the multi-gear superposing type speed changer that the utility model embodiment 1 provides；
Figure 13 is the gear power output figure that reverses gear for the multi-gear superposing type speed changer that the utility model embodiment 1 provides.
Main element symbol description：
1000- multi-gear superposing type speed changers, 0100- input shafts, 0200- drive bevel gear groups, 0210- active conical tooths
Wheel, 0300- driven wheel of differential groups, 0310- driven wheel of differential, 0311- cones of friction, 0312- soldered tooths, 0320- rolling elements,
0400- jackshafts, the first jackshafts of 0410-, the second jackshafts of 0420-, 0500- gearshift synchronizer groups, 0510- inertia-types are synchronous
Device, 0511- splined hubs, 0511a- baffle rings, 0512- clutch collars, 0512a- fork slots, 0513- synchronization lock rings, 0520- gearshifts are driven
Dynamic portion, 0600- gear of output end groups, 0610- the first gear of output end groups, 0611- the first output terminal driving gears, 0612- the
One output terminal driven gear, 0620- the second gear of output end groups, 0621- the second output terminal driving gears, 0622- second are exported
Hold driven gear, 0623- idle pulleys, 0700- output shafts, 0800- reverse gear groups, 0810- reverses gear driving gear, and 0820- reverses gear
Driven gear, 0830- reverse gear synchronizers.
Embodiment
For the ease of understanding the utility model, multi-gear superposing type speed changer is carried out below with reference to relevant drawings more complete
The description in face.The preferred embodiment of multi-gear superposing type speed changer is given in attached drawing.But multi-gear superposing type speed changer can
By by it is many it is different in the form of realize, however it is not limited to embodiment described herein.On the contrary, provide these embodiments
Purpose is the disclosure more thorough and comprehensive made to multi-gear superposing type speed changer.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
There is no intermediary element.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood implication of technical staff in domain is identical.Herein in the art used in the description of multi-gear superposing type speed changer
Language is intended merely to the purpose of description specific embodiment, it is not intended that limitation the utility model.Term as used herein " and/
Or " include the arbitrary and all combinations of one or more relevant Listed Items.
Embodiment 1
Referring to Fig. 1, multi-gear superposing type speed changer (hereinafter referred to as " speed changer ") 1000 include input shaft 0100 with it is defeated
Shaft 0700, set gradually between input shaft 0100 and output shaft 0700 drive bevel gear group 0200, driven wheel of differential group 0300,
Jackshaft 0400 and gear of output end group 0600.Wherein, drive bevel gear group 0200 keeps engaging with driven wheel of differential group 0300
And form different gears；Driven wheel of differential group 0300 is sheathed on jackshaft 0400 correspondingly, and by arranged on jackshaft
Gearshift synchronizer group 0500 on 0400 and remain engaged with or separate with jackshaft 0400 so that jackshaft 0400 obtains accordingly
The power of gear.
In other words, power is inputted from input shaft 0100, and through drive bevel gear group 0200, driven wheel of differential group 0300, in
Countershaft 0400 and be transferred to gear of output end group 0600, power is further transferred to output shaft by gear of output end group 0600
0700, so as to fulfill the power output of corresponding gear, the speed-change process of completion speed changer 1000.In the utility model, speed change
Device 1000 has compact and compact structure, need increase gear when by simple superposition i.e. can be achieved, be easily achieved,
The advantages of power transmission path is simple.
Make introductions all round the concrete structure of 1000 each several part of speed changer below, to more fully understand the utility model.
Input shaft 0100 be used to be connected with power source and to 1000 input power of speed changer.Usually, power source includes hair
All kinds of structures that mechanical drive is provided such as motivation, motor.In automotive field, relatively conventional is engine.
The one end of input shaft 0100 away from power source is fixedly connected with drive bevel gear group 0200.Wherein, drive bevel gear
Group 0200 has a plurality of drive bevel gears 0210, and a plurality of drive bevel gears 0210 have coaxial relation, and and input shaft
0100 is fixedly connected and synchronous rotary.In other words, a plurality of drive bevel gears 0210 are distributed along the axial direction of input shaft 0100, are formed
Multiple power output ends.
Please refer to Fig. 2, drive bevel gear group 0200 and driven wheel of differential group 0300 keep engagement and is formationed is corresponding keeps off
Position.Wherein, driven wheel of differential group 0300 and the quantity of jackshaft 0400 correspond, and are arranged in correspondence with jackshaft 0400
On.In other words, a driven wheel of differential group 0300 is equipped with any jackshaft 0400.
Driven wheel of differential group 0300 has a plurality of driven wheel of differential 0310, and a plurality of driven wheel of differential 0310 coaxially cover
On jackshaft 0400.In other words, a plurality of driven wheel of differential 0310 form nested structure and have gap axis each other
Hole matching relationship, and there is projection coincidence relation in the axial direction of jackshaft 0400.Driven wheel of differential 0310 is kept with driving gear
Engage one by one and form change gear group.It is worth noting that, traditional gearbox is different from, driven wheel of differential 0310 and centre
Axis 0400 is not fixedly connected, and has relatively rotate therebetween, and only realizes that transmission connects by shifting gears synchronizer group 0500
Connect.
Wherein, a plurality of change gear groups have different gearratio and form different gears.In other words, it is different
In change gear group, drive bevel gear 0210 and the gear ratio of driven wheel of differential 0310 are different, corresponding to default speed change
Gear, realizes corresponding gear ratio.
It should be noted that in the structure of a plurality of jackshafts 0400, driven wheel of differential group 0300 is also to be a plurality of.At this time,
Any driving gear keeps engaging with a plurality of driven wheel of differential 0310 at the same time.In other words, different change gear groups can have
Shared driving gear.
Preferably, driven wheel of differential group 0300 further includes rolling element 0320.Here, rolling element 0320 includes ball, roller
Etc. type.Correspondingly, all side walls of adjacent driven wheel of differential 0310 surround at least one annular and roll raceway groove, most interior
The driven wheel of differential 0310 of side also surrounds at least one annular with all side walls of jackshaft 0400 and rolls raceway groove, a plurality of
Rolling element 0320 is rollably held in annular and rolls raceway groove.
In other words, in the two neighboring driven wheel of differential 0310 with shaft hole matching, the driven wheel of differential in " hole " is served as
0310 inner side perisporium has at least one outer ring raceway, and the outer perimeter wall for serving as the driven wheel of differential 0310 of " axis " has at least
One bear inner ring grooved railway.Similarly, the inner side perisporium of innermost driven wheel of differential 0310 has at least one outer ring raceway, middle
The outer perimeter wall of axis 0400 has at least one bear inner ring grooved railway.Outer ring raceway is opposite with bear inner ring grooved railway and surrounds and circularizes rolling
Raceway groove, has between rolling element 0320 and annular rolling raceway groove and is in rolling contact, have preferable bearing structure and less friction,
Make that there is carrying effect between adjacent driven wheel of differential 0310.
Rolled it should be noted that a plurality of rolling elements 0320 are held in annular according to predeterminated position in raceway groove.In a demonstration
In the embodiment of property, a plurality of rolling elements 0320 have even circumferential distribution relation.The quantity model of raceway groove is rolled corresponding to annular
Enclose from one to a plurality of, rolling element 0320 forms single-row at most array structure, is suitable for different load working conditions.
Further preferably, adjacent driven wheel of differential 0310 forms angular contact bearing structure with rolling element 0320.In other words,
Rolling element 0320 and annular roll raceway groove between there is contact angle, can be born at the same time with angular contact bearing structure axial load and
Radial load, further improves the bearing structure between driven wheel of differential 0310 adjacent in motion process.
Under foregoing bearing structure, between adjacent driven wheel of differential 0310 there is mutual carrying to support, make speed changer
1000 obtain splendid bearing capacity.I.e. under high torque operating mode, speed changer 1000 can also obtain good bearing capacity, ensure
Working status.
Fig. 3~6 are please referred to, gearshift synchronizer group 0500 are additionally provided with jackshaft 0400, for making one from mantle tooth
Wheel 0310 remains engaged with and synchronous rotary with jackshaft 0400, while remaining driven wheel of differential 0310 is protected with jackshaft 0400
Hold separation.In an exemplary embodiment, one end of gearshift synchronizer group 0500 is fixedly connected with jackshaft 0400, another
End is used to switch connection relation between driven wheel of differential 0310.That is, at any time, the other end of gearshift synchronizer group 0500
Only remained engaged with a certain driven wheel of differential 0310, and keep separating with remaining driven wheel of differential 0310, so that jackshaft
0400 only remains engaged with and passing power with a certain driven wheel of differential 0310.In another embodiment, gearshift synchronizer
Group 0500 can be also fixedly connected with driven wheel of differential group 0300, and with one-to-one a plurality of defeated with driven wheel of differential 0310
Outlet, only has one in a plurality of output terminals and is remained engaged with jackshaft 0400, also can reach utility model mesh at any time
's.
Preferably, synchronizer group 0500 of shifting gears has a plurality of inertial type of synchronizer 0510 remained engaged with each other, inertia
The radial direction of formula synchronizer 0510 along jackshaft 0400 is arranged and is remained engaged with jackshaft 0400, inertial type of synchronizer 0510 one by one
Can gradually it be engaged with driven wheel of differential 0310 along the axial linear movement of jackshaft 0400, at any time, at most only one
Inertial type of synchronizer 0510 is remained engaged with driven wheel of differential 0310.Further preferably, inertial type of synchronizer 0510, which is connected with, changes
Drive division 0520 is kept off, gearshift drive division 0520 is used to drive inertial type of synchronizer 0510 to move along a straight line.
In an exemplary embodiment, inertial type of synchronizer 0510 has splined hub 0511 with being slidably held in
Clutch collar 0512 in splined hub 0511, adjacent splined hub 0511 each other by spline engagement and further with jackshaft 0400
Engagement.In other words, splined hub 0511 has synchronous rotary with jackshaft 0400 with spline engagement, but can have along jackshaft
0400 axial linear relative movement.Preferably, splined hub 0511 is equipped with baffle ring 0511a, and baffle ring 0511a is used to prevent spline
Axial linear movement of the hub 0511 along jackshaft 0400, that is, realize axially position of the splined hub 0511 on jackshaft 0400.
One end end face of the clutch collar 0512 away from driven wheel of differential 0310 has fork slot 0512a, drive division 0520 of shifting gears
The selector fork in fork slot 0512a is arranged on for one end, selector fork is used to drive axis of the clutch collar 0512 along jackshaft 0400
Gradually engage or separate with driven wheel of differential 0310 to linear motion.Under the driving of selector fork, clutch collar 0512 can be straight
Line move and engaged respectively with splined hub 0511, driven wheel of differential 0310, so as to fulfill splined hub 0511, clutch collar 0512, from
Dynamic bevel gear 0310 rotates integrally.Wherein, selector fork can obtain driving force by being mechanically operated by bar or electronic control mode,
Electronic control mode can use the modes such as motor, telescoping cylinder to provide driving force.
More specifically, inertial type of synchronizer 0510 also has synchronous lock ring 0513, synchronous lock ring 0513 has three notches,
There are three axial grooves in splined hub 0511 and be respectively equipped with sliding block, sliding block, which may be axially movable, stretches into lacking for synchronous lock ring 0513
In mouthful, clutch collar 0512 is set to remain engaged with or separate with synchronous lock ring 0513.In an extremely simple embodiment, inertia-type is synchronous
The structure that device 0510 has lock ring type inertia synchronizer constructs, and differs only in the setting position of fork slot 0512a, this practicality is new
The fork slot 0512a of type is arranged at end face rather than the outer peripheral surface of clutch collar 0512.
Correspondingly, the one end of driven wheel of differential 0310 away from drive bevel gear 0210 has cone of friction 0311 and soldered tooth
0312, locked for being engaged with synchronous lock ring 0513, and realize the engagement of synchronous lock ring 0513 and driven wheel of differential 0310 with it is same
Step rotation.In other words, under rubbing action engagement with soldered tooth 0312 of cone of friction 0311, synchronous lock ring 0513 with it is driven
Bevel gear 0310 is locked completely.
As it was previously stated, power is transferred to jackshaft 0400 through synchronizer group 0500 of shifting gears from a certain driven wheel of differential 0310.
Wherein, speed changer 1000 has an at least jackshaft 0400, for passing power.Output end tooth is connected with jackshaft 0400
Wheel group 0600, gear of output end group 0600 have the output terminal driving gear and output terminal driven gear for keeping engagement, output terminal
Driving gear is fixedly connected with jackshaft 0400, and output terminal driven gear is fixedly connected with output shaft 0700.
The quantity of jackshaft 0400 determines quantity and the arrangement of driven wheel of differential group 0300, and determines inertial type of synchronizer
0510 quantity and arrangement.Please refer to Fig. 1, it is preferable that jackshaft 0400 is for two and coaxial positioned opposite.Change speech
It, jackshaft 0400 includes the first jackshaft 0410 and the second jackshaft 0420, the first jackshaft 0410 and the second jackshaft
0420 has coaxial relation, and 0200 both sides of drive bevel gear group of living apart.It is appreciated that among the first jackshaft 0410 and second
Axis 0420 has opposite direction of rotation.First jackshaft 0410 is equipped with the first gear of output end group 0610, the second jackshaft
0420 is equipped with the second gear of output end group 0620.
Correspondingly, the quantity of driven wheel of differential group 0300 is 2 groups, and is respectively arranged among the first jackshaft 0410 and second
On axis 0420.Wherein, any drive bevel gear 0210 at the same time with the driven wheel of differential 0310, second on the first jackshaft 0410
A driven wheel of differential 0310 on jackshaft 0420 keeps engagement, forms one drag two structure.
Correspondingly, 0510 both ends of inertial type of synchronizer correspond respectively to the first jackshaft 0410 and the second jackshaft 0420.
In other words, any inertial type of synchronizer 0510 can be used for the engagement between 2 driven wheel of differential 0310 of control and jackshaft 0400
Or discrete state.
It is driven with the first output terminal that gear of output end group 0600 includes intermeshing first output terminal driving gear 0611
Gear 0612.Second gear of output end group 0620 includes the second output terminal driving gear 0621,0623 and second output terminal of idle pulley
Driven gear 0622, idle pulley 0623 are arranged between the second output terminal driving gear 0621 and the second output terminal driven gear 0622 simultaneously
Engaged at the same time with the latter two.First output terminal driven gear 0612 and the second output terminal driven gear 0622 with output shaft 0700
It is fixedly connected, idle pulley 0623 can avoid the first jackshaft 0410 from conflicting with the generation movement of the second jackshaft 0420, ensure that power is defeated
Go out steady ordered.
Preferably, reverse gear group 0800 is also associated with the second jackshaft 0420, reverse gear group 0800, which has, reverses gear
Driving gear 0810 and the driven gear 0820 that reverses gear, the driving gear 0810 that reverses gear are fixedly connected with jackshaft 0400, reverse gear driven
Gear 0820 is fixedly connected with output shaft 0700.Further preferably, reverse gear group 0800 is additionally provided with reverse gear synchronizer 0830, falls
Gear synchronizer 0830 be used to making to reverse gear driving gear 0810 and the driven gear 0820 that reverses gear reaches consistent rotating speed and smoothly engages.
Reverse gear synchronizer 0830 is similar with foregoing 0510 structure ＆ working mechanism of inertial type of synchronizer.
Fig. 7~13 are please referred to, in an exemplary embodiment, speed changer 1000 has 6 gear forward gears with falling
7 gears such as gear.Switched according to the driving of selector fork, a certain inertial type of synchronizer 0510 of gearshift synchronizer group 0500 with it is right
The driven wheel of differential 0310 answered remains engaged with, and power is through drive bevel gear 0210, corresponding driven wheel of differential 0310, changes
Gear synchronizer group 0500, jackshaft 0400 and 0600/ reverse gear group 0800 of gear of output end group are transferred to output shaft 0700, real
The now power output of corresponding gear.In another embodiment, speed changer 1000 is still according to increase and decrease gear is actually needed, with folded
Form is added easily to realize.
In the utility model, since drive bevel gear 0210 with driven wheel of differential 0310 keeps often engaging, biography is avoided
Sliding stroke problem under structure of uniting, effectively have compressed the structure size of speed changer 1000.To be slided simultaneously as there is no gearshift
Dynamic stroke, can easily carry out multi-stage superimposed, realize the increase of gear, it is easy to accomplish and structure is reliable.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, without
It is that therefore, other examples of exemplary embodiment can have different values as limitation.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the scope of the utility model.It should be pointed out that the ordinary skill for this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, the scope of protection of the utility model should be determined by the appended claims.
Claims (10)
1. a kind of multi-gear superposing type speed changer, including input shaft and output shaft, it is characterised in that further include：
An at least jackshaft, is connected with gear of output end group on the jackshaft, the gear of output end group is nibbled with holding
The output terminal driving gear of conjunction and output terminal driven gear, the output terminal driving gear are fixedly connected with the jackshaft, institute
Output terminal driven gear is stated to be fixedly connected with the output shaft；
Drive bevel gear group, the drive bevel gear group have a plurality of drive bevel gears, the drive bevel gear coaxially with
The input shaft is fixedly connected and synchronous rotary；
With the one-to-one driven wheel of differential group of the jackshaft, the driven wheel of differential group has a plurality of driven wheel of differential,
A plurality of driven wheel of differential are coaxially sheathed on the jackshaft, the driven wheel of differential and the output terminal driving tooth
Wheel keeps engaging one by one and forming change gear group, and a plurality of change gear groups have different gearratio and formed
Different gears；
Shift gears synchronizer group, the gearshift synchronizer group be used to making a driven wheel of differential and the jackshaft remain engaged with and
Synchronous rotary, while make remaining described driven wheel of differential keep separating with the jackshaft.
2. multi-gear superposing type speed changer according to claim 1, it is characterised in that the driven wheel of differential group further includes
Rolling element, all side walls of the adjacent driven wheel of differential, which are surrounded at least one annular, rolls raceway groove, innermost institute
The all side walls for stating driven wheel of differential and the jackshaft are surrounded at least one annular rolling raceway groove, a plurality of described
Rolling element is rollably held in the annular and rolls raceway groove.
3. multi-gear superposing type speed changer according to claim 2, it is characterised in that the adjacent driven wheel of differential with
The rolling element forms angular contact bearing structure.
4. multi-gear superposing type speed changer according to claim 1, it is characterised in that the gearshift synchronizer group has that
This plurality of inertial type of synchronizer remained engaged with, the radial direction of the inertial type of synchronizer along the jackshaft be arranged one by one and with
The jackshaft remains engaged with, and the inertial type of synchronizer can be along the axial linear movement of the jackshaft and with described from mantle
Gear gradually engages, and at any time, at most only one inertial type of synchronizer is remained engaged with the driven wheel of differential.
5. multi-gear superposing type speed changer according to claim 4, it is characterised in that the inertial type of synchronizer is connected with
Gearshift drive division, the gearshift drive division are used to drive the inertial type of synchronizer to move along a straight line.
6. multi-gear superposing type speed changer according to claim 5, it is characterised in that the inertial type of synchronizer has flower
Key hub and the clutch collar being slidably held in the splined hub, the adjacent splined hub is each other by spline engagement, institute
Stating one end end face of the clutch collar away from the driven wheel of differential has fork slot, and the gearshift drive division is arranged on described dial for one end
Selector fork in fork pockets, the selector fork be used for drive the clutch collar along the axial linear movement of the jackshaft and with
The driven wheel of differential gradually engagement or separation.
7. multi-gear superposing type speed changer according to claim 6, it is characterised in that the splined hub is equipped with baffle ring,
The baffle ring is used to prevent axial linear movement of the splined hub along the jackshaft.
8. multi-gear superposing type speed changer according to claim 1, it is characterised in that the jackshaft is for two and coaxial
Positioned opposite, wherein the gear of output end group on a jackshaft also has idle pulley, the idle pulley is arranged on output terminal master
Engaged at the same time between moving gear and the output terminal driven gear and with the latter two.
9. multi-gear superposing type speed changer according to claim 8, it is characterised in that the centre equipped with the idle pulley
Reverse gear group is also associated with axis, the reverse gear group has reverse gear driving gear and the driven gear that reverses gear, described to reverse gear
Driving gear is fixedly connected with the jackshaft, and the driven gear that reverses gear is fixedly connected with the output shaft.
10. multi-gear superposing type speed changer according to claim 9, it is characterised in that the reverse gear group is additionally provided with
Reverse gear synchronizer, the reverse gear synchronizer be used to making it is described reverse gear driving gear and the driven gear that reverses gear reaches consistent rotating speed and
Smoothly engagement.
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| CN201721094413.6U CN207333594U (en) | 2017-08-29 | 2017-08-29 | Multi-gear superposing type speed changer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721094413.6U CN207333594U (en) | 2017-08-29 | 2017-08-29 | Multi-gear superposing type speed changer |
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| CN207333594U true CN207333594U (en) | 2018-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387679A (en) * | 2017-08-29 | 2017-11-24 | 广州市骐匹动力机械有限公司 | Multi-gear superposing type speed changer |
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2017
- 2017-08-29 CN CN201721094413.6U patent/CN207333594U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387679A (en) * | 2017-08-29 | 2017-11-24 | 广州市骐匹动力机械有限公司 | Multi-gear superposing type speed changer |
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Effective date of registration: 20180920 Address after: 537200 the Guangxi Zhuang Autonomous Region, Guigang City, Guiping, Hou Lu Village, haulun village, 79 Patentee after: Wang Jiayu Address before: 510000 room 406, 20, Fuli Road, Huangcun Wai, Tianhe District, Guangzhou, Guangdong. Patentee before: Guangzhou City Qi Horse Power Machinery Company Limited |