CN203500394U - Automobile automatic variable speed axle assembly - Google Patents
Automobile automatic variable speed axle assembly Download PDFInfo
- Publication number
- CN203500394U CN203500394U CN201320481641.4U CN201320481641U CN203500394U CN 203500394 U CN203500394 U CN 203500394U CN 201320481641 U CN201320481641 U CN 201320481641U CN 203500394 U CN203500394 U CN 203500394U
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- gear
- sliding sleeve
- assembly
- power input
- speed change
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Abstract
The utility model relates to an automobile automatic variable speed axle assembly, which is characterized in that a power input shaft extends into a variable speed chamber; a variable speed mechanism is arranged on the power input shaft in the variable speed chamber; the variable speed mechanism comprises a variable speed sliding sleeve assembly, modified starter drives, gear-position sun gears, planetary gears, a planet carrier and gear rings; the gear-position sun gears, the planetary gears and the gear rings form a mechanism with fixed transmission ratios; the variable speed sliding sleeve assembly can be matched with the modified starter drives. By the adoption of the automobile automatic variable speed axle assembly, an integrative automatic variable speed axle for electric automobiles is realized.
Description
Technical field
The utility model relates to power and transmits field, relates in particular to a kind of automobile-used automatic speed changing axle assembly.
Background technique
Automobile will be realized automatic speed changing at present, conventionally will possess the complete setting and corresponding the control and operating mechanism that form speed change, complex structure, and cost is high, easy break-down.If add power and input, output block, actual is the cardiovascular of automobile, is the great parts of automobile and the weak link of China's automotive engineering, is the particularly key of current electric vehicle innovation of automobile.
Summary of the invention
The utility model is under this background, and in order to meet, vehicle performance improves, the requirement of cost, adopts the parts such as Novel clutch, slip, and transmission principle and control mode have been carried out to design breakthrough, has realized self-shifting light-duty, reliable and low-cost.The height that important embodiment of the utility model is motor and speed changer is integrated, add differential assembly (containing pto＝power take-off), pontic (axle housing, can contain interior external ball cage and suspension support), realized integrated electric vehicle automatic speed changing bridge, scientific structure, brief.
The utility model provides a kind of automobile-used automatic speed changing axle assembly, power input shaft extends in speed change storehouse, on power input shaft in speed change storehouse, be provided with gear, described gear comprises one-way element, gear sun gear, planetary pinion, planet carrier and the gear ring of speed change sliding sleeve assembly, remodeling, gear sun gear, planetary pinion and gear ring form the mechanism of fixed transmission ratio, and described speed change sliding sleeve assembly can mate with the one-way element of remodeling.
Preferably, the one-way element of described remodeling is positioned at speed change sliding sleeve assembly outside, and described speed change sliding sleeve assembly can slide along power input shaft between described power input shaft and the one-way element of described remodeling.
Preferably, described gear is by output gear or the direct outputting power of output shaft, or drive first, second output shaft differential to rotate by differential mechanism, described power input shaft is hollow shaft, described the first pto＝power take-off is inner through described power input shaft.
Preferably, the quantity of described fixed transmission ratio is at least two.
Preferably, the one-way element of described remodeling is without interior ring, and described speed change sliding sleeve assembly serves as the interior ring of the one-way element of described remodeling, contacts, can laterally along power input shaft spline, slide respectively with each one-way element is inner.
Preferably, speed changer can be made of one with motor, in motor, turns, and motor output shaft is speed changer power input shaft; Motor turns outward, and external rotor is connected with gear ring or planet carrier.
Preferably, this assembly can separately attach pontic or axle housing, and axle housing or pontic can be containing interior external ball cage and suspension strut basis links.
Preferably, sun gear is power input part, and one in planet carrier and gear ring as power output part, and another one is as fixed component.
Preferably, sun gear is power input part, and planet carrier is power output part, and gear ring outer wall layer is a whole circle, is a part for fixing shell, enclosure separated motor storehouse and speed changer storehouse.
Preferably, described speed change sliding sleeve assembly comprises sliding sleeve draw ring and drag-line or shift fork, and described drag-line both can manually pull, and also available electronic suction pulls; Described speed change sliding sleeve assembly comprises spring, and spring housing is on input shaft, and the effect to draw ring, both can thrust, also can pulling force; Sliding sleeve also available shift fork is stirred.
In more detail, scheme is as follows:
A kind of automatic speed changing axle assembly, its power access parts are that power input can be gear or (motor) splined shaft, power is output as differential output, and automatic speed changing partly comprises the power assembly that slide bushing assembly, one-way element assembly, epicyclic gear train assembly or parallel-axis type speed change gear assembly are integrated.
Speed changing bridge can be made of one directly with motor and variable part coaxially joins, and with concentric empty axle, for well, motor output shaft is power input shaft, and empty axle can be exported spline by differential mechanism; In motor, turn, can be connected with the oilhole of variable part by shell, in order to heat radiation; Or cold with shell water-cooled or interior blowing.
Assembly can attach main reducing gear. and pontic (axle housing), pontic can be containing interior external ball cage and suspension strut basis link.
The automatic speed changing of speed changing bridge is partly that planet row modular construction more than a row forms, and the sun gear of its epicyclic gear train assembly is power input part, and planet carrier is power output part, and gear ring is fixing shell; Also can sun gear be power input component, other two be output member, fixed block, etc.
The gear ring outer wall layer of this routine planet row is a whole circle, each gear ring by its inwall interval with one heart but radius, top circle a few circle gear rings not etc. be horizontally arranged in this whole circle, planetary pinion in several groups of gear rings of corresponding engagement, these several groups of planetary pinions are fixed by same planet carrier.Each gear ring, planetary profile of tooth are different, have size; The number of teeth is also different, by transfer ratio, is determined.The sun gear engagement of planetary pinion inner side shelves corresponding to it, respectively has again outer ring for one-way device to be connected with gear inwall in the sun gear of each grade.Planet carrier one end is fixed on (Liang Roll dynamic bearing Huo mono-Roll in the spacing wall that motor housing outside pto＝power take-off is assembly and holds a sliding sleeve).Gear ring is an overall structure (two different bins of interior separated motor and speed changer) that has spacing wall from motor housing.
On speed change input splined shaft, axially separated type is equipped with two and above one-way element side by side, single sliding sleeve that sliding sleeve is through in each sun gear is through in the one-way element in each sun gear, it is holistic being equivalent to ring in each one-way element, middle with circular radial stud bump, the long cover of slip ring that can laterally slide along spline, it is speed change sliding sleeve, be called for short sliding sleeve, sliding sleeve comprises intermediate radial cylindrical projections, flat (or saying recessed portion) of both sides, on flat, have again can along sliding sleeve external diameter transverse cutting shaft to, the thin cover (GGB sliding bearing) sliding along sliding sleeve external diameter, the external diameter of thin cover is identical with the external diameter of cylindrical protrusion, thin cover all can contact with one-way element Nei Roll (carving piece) without interior ring of each grade with projection external diameter, rotating in same direction laterally sliding along it.
On outer each the separated outer ring for one-way device wall of sliding sleeve respectively with two and above high low-speed sun pinion of different moduluses, the number of teeth.Slide over while endwisely slipping along spline and can require to stop in a certain position according to controlling, now the projection on sliding sleeve can correspondingly contact a certain one-way element, and the thin cover on flat (or saying recessed portion) on sliding sleeve is corresponding other one-way element.When this one-way element synchronous forward of splined shaft forward rotation, sliding sleeve and projection also forward rotation the corresponding contact of drive is rotated, on outer ring for one-way device, the high or low fast sun gear of fixing a certain gear also synchronously rotates, the also high or low shelves running of driving automobile of the output gear of gear engagement therewith, now, though the one-way element that sliding sleeve flat of bottom is corresponding is forward rotation, but flat external diameter is much smaller than the internal diameter of carving side by side piece in one-way element, carve flat directly contact the on the sliding sleeve that piece internal diameter is corresponding with it and can only overlap by thin (axle) that can trackslip along it separately established on flat (or saying recessed portion), when sliding sleeve is whole, laterally slide, flat (or saying recessed portion) on sliding sleeve and the upper thin cover trackslipping along it thereof with in a certain one-way element, carve piece and contact, in one-way element, carve piece due to this thin cover interval, can only by thin be enclosed within itself and flat between trackslip, one-way element and carve piece and can not synchronize and rotate with whole sliding sleeve, the coupled sun (tooth) wheel also just can not be inputted splined shaft with power and synchronizes and rotate.If splined shaft drives sliding sleeve to rotate backward to be carved piece in the one-way element with all forward rotation and slip away, do not drive its rotation.When sliding sleeve upper process slides into the neutral gear between one-way element, all one-way elements do not turn, and are machine neutral gear.Slide under the effect of shift fork or draw ring drag-line and so slide, the one-way element that projection is corresponding and gear change, and machine is also just realized speed change.
When needing shift, first instantaneous shutoff power, laterally twitches sliding sleeve, and the one-way element of sliding sleeve projection contact is changed, and certain the gear sun gear being attached thereto is respective change also, has realized high and low shift conversion; On the sliding sleeve of splined shaft, can separately establish one or several one-way element, convert its forward rotation direction and be former umklapp transformation forward (mistake, turning 180 degree directions installs), splined shaft and sliding sleeve rotate backward driving one or several one-way element forward rotation and the reverse gear that its one-way element is corresponding being rotated, and realize reverse gear.
Accompanying drawing explanation
Fig. 1 is the agent structure schematic diagram of the new-type automatic transmission of the utility model;
Fig. 2 is the detail of construction of speed change sliding sleeve.
Description of reference numerals:
1, shell; 2, speed change storehouse; 51, differential-speed dynamic output shaft 1; 52 differential-speed dynamic output shafts 2; 4221,4222 assembly lids; 1211,1212 planet carrier bearings; 3, motor bin; 33, rotor axis of electric spring bearing; 31, motor stator; 32, rotor axis of electric is the double variable-speed shaft of power input in speed change storehouse simultaneously; 260, drag-line motor; 261, shift drag-line; 270, support (pressure) spring; 221,222, support annulus; 201,202,203, the one-way element of remodeling; 251,252,253, planetary pinion; 111,112,113, gear ring; 211,212,213,214,215,216 thrust-bearings; 231,232,233, gear sun gear gear; 28, differential mechanism; 12, planet carrier; 101,102 supporting motive forces (differential) output shaft bearing; 6, supported spring packing ring; 7, speed change sliding sleeve assembly; 71,72,73,74 locking nuts;
21, sliding sleeve projection; 220, sliding sleeve catch; 23,22, sliding sleeve is flat; 24, sliding sleeve location spline; 25, sliding sleeve free-sliding spline; 261,262,263,354, sliding sleeve connects internal and external screw thread; 271,272, lock screw hole; 281,282, drag-line retaining screw (with holes); 291,292, drag-line pad; 201,202, drag-line perforation; 210, fork groove or draw ring groove on sliding sleeve; 211, the draw ring of (in draw ring groove) on sliding sleeve; 301,302, drag-line gland nut; 31,32, the thin cover of transition (support); 33,34, the thin lock screw through hole that puts of transition; 35,36, thrust-bearing.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
This assembly is to meet that vehicle performance improves, the requirement of cost, adopts the parts such as Novel clutch, slip, transmission principle and control mode has been carried out to design and broken through, and has realized light-duty, the reliable and low cost of self-shifting.The height that important embodiment of the utility model is motor and speed changer is integrated, assembly is inputted (containing motor), is exported the new type auto speed changing bridge that link is integrated containing automatic transmission and power, can be used as propons or the back axle of pure electric automobile and hybrid vehicle.This assembly can attach differential assembly (containing pto＝power take-off), pontic (axle housing can contain interior external ball cage and suspension support).As at power input access internal combustion engine moving power output shaft (wheel), be internal-combustion engine automatic speed changing bridge, can be used for automobile and hybrid-power electric vehicle; As at power input access motor, be electronic automatic speed changing bridge, can be used for pure electric (gas) vehicle and mixed power (vapour) car.
The utility model provides a kind of automobile-used automatic transaxle assembly, power access parts are that power input can be gear or (motor) splined shaft, power is output as differential output, automatic transmission partly comprises series remodeling one-way element assembly, wherein have with loop type in one-way element and contact with each one-way element respectively, the slide bushing assembly that can laterally slide along spline, and gear, the remodeling planet row structure assembly of exportable friction speed more than a row is (containing gear ring, planet wheel, planet carrier, sun gear) or the power assembly that is integrated of parallel-axis type speed change gear assembly.
Preferentially, speed changer can be made of one with motor, and speed change storehouse 2 shares a shell 1 with motor bin 3.If turn in motor, motor output shaft is speed changer power input shaft 32, is same empty axle, can pass through power (differential) output spline 51,52 in empty axle; Also can turn outward by motor, external rotor is connected with gear ring or planet carrier; Motor is connected with the oilhole of variable part by shell, in order to heat radiation; Also can shell water-cooled or the interior quenching of machine.
Preferably, this assembly can separately attach retarder, pontic (axle housing), and pontic can be containing interior external ball cage and suspension strut basis link.
Sun gear, planet carrier and the gear ring of remodeling planet row structure assembly all can be power input part, power output part and fixed component.
Preferably, the sun gear 231,232,233 of remodeling planet row structure assembly is power input part, and planet carrier 12 is power output part, gear ring 111,112,113, the same shell for fixing; The gear ring outer wall layer of planet row is a whole circle shell 1.
Preferably, each gear ring outer wall layer of planet row is a whole circle, each gear ring by axially spaced-apart on its inwall with one heart but radius, top circle a few circle gear rings 111,112,113 axially-aligned not etc. in this whole circle, the planetary pinion 251,252,253 in several groups of gear rings of corresponding engagement; These several groups of planetary pinions are fixing by same planet carrier 12, the profile of tooth of each grade of group planetary pinion 251,252,253 is different, there is size, the number of teeth is also different, by transfer ratio, determined, planet carrier one end is fixed in the spacing wall that motor housing is assembly by bearing 1211, and one end is connected with the differential mechanism 28 of power output, and differential mechanism 28 the other ends are fixed on the other end of shell by bearing 1212; Sun gear 231,232,233 engagements of planetary pinion 251,252,253 inner sides shelves corresponding to it, each grade of sun gear 231,232,233 is also that how much different profile of tooth size, the number of teeth be; Sun gear inwall respectively has again one-way element 201,202,203 outer shrouds to be attached thereto fixing; The gear ring outer wall layer of planet row and motor housing are one to have the overall structure (interior separated motor storehouse 3 and the different bins in 2 two, speed changer storehouse) of spacing wall.
Its assembly is comprised of concentric (spline) axle, cover, ring, the circle of 3 layers above (containing three layers).
Preferably, the series remodeling one-way element assembly of automatic transmission part, wherein have with loop type in one-way element and contact with each one-way element is inner respectively, the speed change slide bushing assembly 2 that can laterally slide along spline, this slide bushing assembly runs in the guide in one-way element Roll (carving piece) in each sun gear, be equivalent to each one-way element endocyclic position, for holistic, middle with radially expanding for cylindrical sliding sleeve projection 21, the recessed portion 23 that projection both sides attenuate, on 22, have again can along sliding sleeve external diameter transverse cutting shaft to, the thin cover of the transition of trackslipping along sliding sleeve external diameter (support) (or axle sleeve, GGB sliding bearing) 31, 32, its external diameter is identical with the external diameter of cylindrical protrusion 21, thin cover 31,32 all can contact, synchronize in the same way rotation, oppositely mutually slip away and laterally slide along its inner side with one-way element Nei Roll (carving piece) without interior ring of each grade with projection 21 external diameters.
Preferably, though one-way element 201,203 corresponding to sliding sleeve flat of bottom also can forward rotation but not directly contact but overlap 31,32 mediate contacts by the axle on flat (thin) of flat 23,22 on voussoir (roller) inner side surface in it sliding sleeve corresponding with it, one-way element 201,203 and flat 23,22 asynchronous rotations, the outer shroud of one-way element 201,203 correspondences cogs and 231,233 certainly cannot synchronously rotate and output kinetic energy, just in company with the planetary pinion idle running with its engagement.
Preferably, sliding sleeve 7 requires to stop in a certain position according to controlling when endwisely slipping along splined shaft 32, now the projection on sliding sleeve 21 can correspondingly contact a certain specific one-way element 202, sliding sleeve 7 and projection 21 forward rotation can drive specific one-way element 202 synchronous forward of corresponding contact to rotate, and sliding sleeve 7 and specific one-way element 202 slip away to rotate backward the two; When splined shaft 32 forward rotation and sliding sleeve 7 synchronously rotate, the specific one-way element 202 of the projection 21 on sliding sleeve and corresponding contact thereof synchronously rotates, on these specific one-way element 202 outer shrouds, the high speed tooth (sun) of fixing a certain gear wheel or low speed tooth (sun) wheel also synchronously rotate, and drive back axle to carry out top grade or low-grade running with the output gear (circle) of this high gear or low speed gear engagement.
Preferably, when needing shift, first instantaneous shutoff power, laterally twitches sliding sleeve 7, and the one-way element of sliding sleeve projection contact is changed, and certain shifting gear being attached thereto is respective change also.
Preferably, according to operator's wish manually-operable, or according to the software program of prior setting, be in operation according to velocity variations or operator's wish operating switch, by the instantaneous shutoff power of computer export, DM actuating signal, splined shaft 32 upper sliding sleeves 7 and on projection 21 in the lower slider of the promotion of pressure spring 270 and the effect of shift fork or draw ring 211 drag-lines 261, realize the conversion that sliding sleeve drives shifting gear, reach the object of its lifting speed.
Preferably, control on sliding sleeve and the projection on sliding sleeve 21 slides to the space outside corresponding one-way element under the effect of shift fork or draw ring 211 drag-lines 261, thereby do not drive any one-way element to rotate, to realize machine neutral gear.
Preferably, the forward rotation opposite direction of the one-way element on the sliding sleeve 7 of splined shaft 32, splined shaft and sliding sleeve rotate backward and drive one or several one-way element forward rotation and the reverse gear that its one-way element is corresponding is rotated, and realize reverse gear.
The effect of drag-line to sliding sleeve draw ring, both can manually pull, and also available electronic suction pulls; The effect of spring to draw ring, both can thrust, also can pulling force; Sliding sleeve both available draw ring drag-line pulls, and also available shift fork is stirred.
Sliding sleeve 2 horizontally slips under the effect of drag-line 20 and spring 13, and machine is also just realized speed change.
Preferably, this sliding sleeve 2, in the effect of drag-line 20/211 draw ring, both can manually pull, also available electronic suction switch.
Those skilled in the art, not departing under the condition of the definite spirit and scope of the present utility model of claims, can also carry out various modifications to above content.Therefore scope of the present utility model is not limited in above explanation, but determined by the scope of claims.
Claims (10)
1. an automobile-used automatic speed changing axle assembly, it is characterized in that: power input shaft extends in speed change storehouse, on power input shaft in speed change storehouse, be provided with gear, described gear comprises speed change sliding sleeve assembly, with speed change sliding sleeve assembly, serves as one-way element, gear sun gear, planetary pinion, planet carrier and the gear ring of the remodeling encircling in it, gear sun gear, planetary pinion and gear ring form the mechanism of fixed transmission ratio, and described speed change sliding sleeve assembly can mate with the one-way element of remodeling.
2. assembly according to claim 1, is characterized in that: the one-way element of described remodeling is positioned at speed change sliding sleeve assembly outside, and described speed change sliding sleeve assembly can slide along power input shaft between described power input shaft and the one-way element of described remodeling.
3. according to the assembly described in claim 1-2 any one, it is characterized in that: described gear is by output gear or the direct outputting power of output shaft, or drive first, second output shaft differential to rotate by differential mechanism, described power input shaft is hollow shaft, and described the first pto＝power take-off is inner through described power input shaft.
4. according to the assembly described in claim 1-2 any one, it is characterized in that: the quantity of described fixed transmission ratio is at least two.
5. according to the assembly described in claim 1-2 any one, it is characterized in that: described speed change sliding sleeve assembly contacts, can laterally along power input shaft spline, slide with each one-way element is inner respectively.
6. automatic speed changing axle assembly according to claim 1, is characterized in that: speed changer can be made of one with motor, in motor, turns, and motor output shaft is speed changer power input shaft; Motor turns outward, and external rotor is connected with gear ring or planet carrier.
7. automatic speed changing assembly bridge according to claim 1, is characterized in that: this assembly can separately attach pontic or axle housing, and axle housing or pontic can be containing interior external ball cage and suspension strut basis links.
8. automatic speed changing axle assembly according to claim 1, is characterized in that: sun gear is power input part, and one in planet carrier and gear ring as power output part, and another one is as fixed component.
9. automatic speed changing axle assembly according to claim 1, it is characterized in that: sun gear is power input part, planet carrier is power output part, and gear ring outer wall layer is a whole circle, for a part for fixing shell, enclosure separated motor storehouse and speed changer storehouse.
10. according to the automatic speed changing axle assembly described in claim 1, it is characterized in that: described speed change sliding sleeve assembly comprises sliding sleeve draw ring and drag-line or shift fork, and described drag-line both can manually pull, and also available electronic suction pulls; Described speed change sliding sleeve assembly comprises spring, and spring housing is on input shaft, and the effect to draw ring, both can thrust, also can pulling force; Sliding sleeve also available shift fork is stirred.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320481641.4U CN203500394U (en) | 2013-08-08 | 2013-08-08 | Automobile automatic variable speed axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320481641.4U CN203500394U (en) | 2013-08-08 | 2013-08-08 | Automobile automatic variable speed axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500394U true CN203500394U (en) | 2014-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320481641.4U Expired - Fee Related CN203500394U (en) | 2013-08-08 | 2013-08-08 | Automobile automatic variable speed axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203500394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015018341A1 (en) * | 2013-08-08 | 2015-02-12 | Liu Peisheng | Vehicle automatic transmission axle assembly |
-
2013
- 2013-08-08 CN CN201320481641.4U patent/CN203500394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015018341A1 (en) * | 2013-08-08 | 2015-02-12 | Liu Peisheng | Vehicle automatic transmission axle assembly |
| US10232706B2 (en) | 2013-08-08 | 2019-03-19 | Peisheng LIU | Vehicle automatic transmission axle assembly |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20160808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |