CN109578534A - Planetary mechanism, three shift transmissions and the three electronic assemblies of gear - Google Patents
Planetary mechanism, three shift transmissions and the three electronic assemblies of gear Download PDFInfo
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- CN109578534A CN109578534A CN201710905817.7A CN201710905817A CN109578534A CN 109578534 A CN109578534 A CN 109578534A CN 201710905817 A CN201710905817 A CN 201710905817A CN 109578534 A CN109578534 A CN 109578534A
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- gear
- countershaft
- driven
- driving
- synchronizer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/46—Gearings having only two central gears, connected by orbital gears
- F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
- F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/037—Gearboxes for accommodating differential gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention provides a kind of planetary mechanisms, three shift transmissions and the three electronic assemblies of gear, the planetary mechanism includes input shaft and planetary gear mechanism, the planetary gear mechanism includes sun gear, planet carrier and gear ring, the planetary gear external toothing of the sun gear and the planet carrier is driven, planetary gear and the gear ring Inside gear drive on the planet carrier, the sun gear is fixedly connected on the rear end of the input shaft, the front end of the input shaft is radially limited in a cabinet, the rear end of the input shaft is hanging, the gear ring is fixedly connected on the cabinet, the planet carrier rotational support is on the cabinet.The planetary mechanism of the embodiment of the present invention, when work, when planetary gear is loaded unbalanced, hanging input shaft rear end (together with sun gear) will float, Automatic-searching equilbrium position, until uniform load distribution position between each planetary gear.And without increasing additional load-balancing device, so that the planetary mechanism structure is simple and at low cost.
Description
Technical field
The invention belongs to technical field of automobile transmission, more particularly to a kind of planetary mechanism, three shift transmissions and three gear electricity
Dynamic assembly.
Background technique
Planetary gear mechanism has the characteristics that big transmission ratio, small in size, stable working and large carrying capacity.By using row
Star gear mechanism interior in a limited space can realize different speed ratio requirements.It, can be with for example, using planetary gear construction
Obtain spaces compact and simple three shift transmission of structure.
A kind of existing three shift transmission, input shaft are connected with sun gear, and the rear and front end of input shaft is respectively turned by bearing
It is dynamic to be supported on cabinet, in this way, the rear and front end of input shaft, which passes through bearing, realizes radial limit.
Existing three shift transmission when work, often will appear the loaded unbalanced situation of planetary gear on planet carrier, be
Uniform load distribution between each planetary gear of realization, it usually needs increase additional load-balancing device, lead to the three shift transmissions knot
Structure is complex and costly.
Summary of the invention
The technical problems to be solved by the present invention are: for existing three shift transmission, structure is complicated and at high cost asks
Topic provides a kind of planetary mechanism, three shift transmissions and the three electronic assemblies of gear.
In order to solve the above technical problems, on the one hand, the embodiment of the present invention provides a kind of planetary mechanism, including input shaft and row
Star gear mechanism, the planetary gear mechanism include sun gear, planet carrier and gear ring, the row of the sun gear and the planet carrier
Star-wheel external toothing is driven, and planetary gear and the gear ring Inside gear drive on the planet carrier, the sun gear are fixedly connected on
The rear end of the input shaft, the front end of the input shaft are radially limited in a cabinet, and the rear end of the input shaft is hanging, described
Gear ring is fixedly connected on the cabinet, and the planet carrier rotational support is on the cabinet.
Optionally, the front end of the input shaft by bearing rotating support on the cabinet, the rear end of the input shaft
The sun gear is connected by spline.
Optionally, the planet carrier includes planet carrier precursor, body, the planet carrier precursor after body and planet carrier in planet carrier
It is fixedly connected on the front side of body in the planet carrier, body is fixedly connected on the rear side of body in the planet carrier after the planet carrier,
It is fixedly connected with planet axis between body after body and planet carrier in the planet carrier, the planetary gear empty set is in the planet axis.
Optionally, front bearing is installed on the planet carrier precursor, rear bearings is installed on body after the planet carrier.
In addition, another embodiment of the present invention provides a kind of three shift transmissions, including cabinet, the first countershaft, the second countershaft, one
Keep off driving gear, one gear driven gear, two gear driving gear, second gear driven gear, three gear driving gears, three gear driving gears,
First differential sliding clutch, the second differential sliding clutch, the first synchronizer, the second synchronizer and above-mentioned planetary mechanism；
The one gear driving gear and two gear driving gear are fixedly connected on the planet carrier, the gear driven gear
And second gear driven gear empty set, on first countershaft, it is secondary that first differential sliding clutch is fixedly connected on described first
On axis, the three gears driving gear is fixedly connected on the input shaft, and the three gears driven gear is fixedly connected on described the
On two countershafts, the second differential sliding clutch empty set on second countershaft, it is described one gear driving gear with one keep off from
Moving gear engagement, the two gear driving gear and the engagement of second gear driven gear, the three gear driving gear and three gear driven gears
Engagement；
First synchronizer is used to control first countershaft and a gear driven gear and second gear driven gear
Disengage and engage, second synchronizer be used to control second countershaft and second differential sliding clutch disengagement and
Engagement.
Optionally, the input shaft, the first countershaft and the second countershaft are parallel to each other, and first countershaft and the second countershaft
It is located at the two sides of the input shaft.
Optionally, the axial direction of the gear driving gear, two gear driving gear and three gear driving gears along the input shaft
It successively arranges to the direction far from the planetary gear mechanism；
The axial direction of the one gear driven gear, second gear driven gear and the first differential sliding clutch along first countershaft
It successively arranges to the direction far from the planetary gear mechanism；
Second differential sliding clutch and three gear driven gears are along the axial to far from the row of second countershaft
It successively arranges in the direction of star gear mechanism.
Optionally, first synchronizer is arranged on first countershaft and is located at a gear driven gear and second gear
Between driven gear；
Second synchronizer is arranged on second countershaft and is located at second differential sliding clutch far from institute
State the side of three gear driven gears.
In addition, another embodiment of the present invention provides a kind of three shift transmissions, including cabinet, the first countershaft, the second countershaft, one
Keep off driving gear, one gear driven gear, two gear driving gear, second gear driven gear, three gear driving gears, three gear driving gears,
First differential sliding clutch, the second differential sliding clutch, the first synchronizer, the second synchronizer and above-mentioned planetary mechanism；
The one gear driving gear and two gear driving gear empty set are on the planet carrier, the gear driven gear and two
Gear driven gear is fixedly connected on first countershaft, and it is secondary that first differential sliding clutch is fixedly connected on described first
On axis, the three gears driving gear is fixedly connected on the input shaft, and the three gears driven gear is fixedly connected on described the
On two countershafts, the second differential sliding clutch empty set on second countershaft, it is described one gear driving gear with one keep off from
Moving gear engagement, the two gear driving gear and the engagement of second gear driven gear, the three gear driving gear and three gear driven gears
Engagement；
First synchronizer is used to control the de- of the planet carrier and a gear driving gear and two gear driving gear
It opens and engages, second synchronizer is used to control the disengagement of second countershaft and second differential sliding clutch and connects
It closes.
Optionally, first synchronizer is arranged on the planet carrier and is located at a gear driving gear and second gear master
Between moving gear；
Second synchronizer is arranged on second countershaft and is located at second differential sliding clutch far from institute
State the side of three gear driven gears.
In addition, another embodiment of the present invention provides a kind of three shift transmissions, including cabinet, the first countershaft, the second countershaft, one
Keep off driving gear, one gear driven gear, two gear driving gear, second gear driven gear, three gear driving gears, three gear driving gears,
First differential sliding clutch, the second differential sliding clutch, the first synchronizer, the second synchronizer and above-mentioned planetary mechanism；
The one gear driving gear and two gear driving gear are fixedly connected on the planet carrier, the gear driven gear
And second gear driven gear empty set, on first countershaft, it is secondary that first differential sliding clutch is fixedly connected on described first
On axis, the three gears driving gear is fixedly connected on the input shaft, and the three gear driven gear empty set is secondary described second
On axis, second differential sliding clutch is fixedly connected on second countershaft, it is described one gear driving gear with one keep off from
Moving gear engagement, the two gear driving gear and the engagement of second gear driven gear, the three gear driving gear and three gear driven gears
Engagement；
First synchronizer is used to control first countershaft and a gear driven gear and second gear driven gear
It disengages and engages, second synchronizer is used to control the disengagement and engagement of second countershaft and the three gears driven gear.
Optionally, first synchronizer is arranged on first countershaft and is located at a gear driven gear and second gear
Between driven gear；
Second synchronizer be arranged on second countershaft and be located at second differential sliding clutch with it is described
Between three gear driven gears.
In addition, another embodiment of the present invention provides a kind of three shift transmissions, including cabinet, the first countershaft, the second countershaft, one
Keep off driving gear, one gear driven gear, two gear driving gear, second gear driven gear, three gear driving gears, three gear driving gears,
First differential sliding clutch, the second differential sliding clutch, the first synchronizer, the second synchronizer and above-mentioned planetary mechanism；
The one gear driving gear and two gear driving gear empty set are on the planet carrier, the gear driven gear and two
Gear driven gear is fixedly connected on first countershaft, and it is secondary that first differential sliding clutch is fixedly connected on described first
On axis, the three gears driving gear is fixedly connected on the input shaft, and the three gear driven gear empty set is secondary described second
On axis, second differential sliding clutch is fixedly connected on second countershaft, it is described one gear driving gear with one keep off from
Moving gear engagement, the two gear driving gear and the engagement of second gear driven gear, the three gear driving gear and three gear driven gears
Engagement；
First synchronizer is used to control the de- of the planet carrier and a gear driving gear and two gear driving gear
It opens and engages, second synchronizer is used to control the disengagement and engagement of second countershaft and the three gears driven gear.
Optionally, first synchronizer is arranged on the planet carrier and is located at a gear driving gear and second gear master
Between moving gear；
Second synchronizer be arranged on second countershaft and be located at second differential sliding clutch with it is described
Between three gear driven gears.
In addition, another embodiment of the present invention provides the three electronic assemblies of gear of one kind, including motor, differential mechanism and three above-mentioned gears
Speed changer, the output axis connection of the front end of the input shaft and the motor are provided on the differential mechanism while with described
One differential sliding clutch and the differential mechanism driven gear of the second differential sliding clutch engagement.
The planetary mechanism of the embodiment of the present invention, three shift transmissions and the three electronic assemblies of gear, sun gear are fixedly connected on input
The rear end of axis, the front end of input shaft are radially limited in a cabinet, and the rear end of input shaft is hanging (not setting radial limit).Work
When, when planetary gear is loaded unbalanced, since input shaft is that long axis and rear end do not do radial limit, after input shaft hanging at this time
End (together with sun gear) will float, Automatic-searching equilbrium position, until uniform load distribution position between each planetary gear.
That is, sun gear can realize floating load balancing, so that the planetary mechanism runs smoothly, impact can be reduced and reduce noise, improve row
The service life of star mechanism.And without increasing additional load-balancing device, so that the planetary mechanism structure is simple and at low cost.
In addition, enabling three shift transmission and the three electronic assemblies of gear to obtain very big by using planetary gear mechanism
Gear range, and the speed ratio of three gears can be adjusted flexibly, and can obtain and meet the speed ratio that each operating condition needs.In addition,
Three shift transmissions of the embodiment of the present invention and the three electronic assemblies of gear, a gear speed ratio is very big, and vehicle can reach very big climbable gradient；
Three gear speed ratio very littles, can be realized high vehicle speeds；Second gear speed ratio can be arranged according to operating condition, make the differential conjunction of three speed ratios
Reason, shift is comfortable, and motor works long hours in high efficient district.
Detailed description of the invention
Fig. 1 is the structure diagram for the three electronic assemblies of gear that one embodiment of the invention provides；
Fig. 2 is that the three electronic assemblies one of gear that one embodiment of the invention provides keep off power transmitting schematic diagram；
Fig. 3 is the electronic assembly second gear power transmitting schematic diagram of three gears that one embodiment of the invention provides；
Fig. 4 is that the three electronic assemblies three of gear that one embodiment of the invention provides keep off power transmitting schematic diagram；
Fig. 5 be another embodiment of the present invention provides the three electronic assemblies of gear structure diagram；
Fig. 6 be another embodiment of the present invention provides the three electronic assemblies of gear structure diagram；
Fig. 7 be another embodiment of the present invention provides the three electronic assemblies of gear structure diagram；
Fig. 8 is the schematic diagram for the planetary mechanism that one embodiment of the invention provides.
Appended drawing reference in specification is as follows:
1, input shaft；2, motor；3, sun gear；4, planet carrier；401, planet carrier precursor；402, body in planet carrier；403,
Body after planet carrier；5, planetary gear；6, gear ring；7, a gear driving gear；8, two gear driving gear；9, a gear driven gear；10, two
Keep off driven gear；11, the first countershaft；12, the first synchronizer；13, the first differential sliding clutch；14, differential mechanism driven gear；
15, three gear driving gear；16, three gear driven gear；17, the second countershaft；18, the second differential sliding clutch；19, second is synchronous
Device；20, deep groove ball bearing；21, deep groove ball bearing；22, washer；23, nut；24, bolt is connected；25, pin shaft；26, spiral shell is connected
Bolt；27, planet axis；28, needle bearing；29, front bearing；30, rear bearings.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, engage below
Accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
As shown in Figure 1, the three electronic assemblies of gear that one embodiment of the invention provides, including motor 2, differential mechanism (do not show in figure
Out) and three shift transmissions.
In the present embodiment, three shift transmission includes cabinet (not shown), input shaft 1, the first countershaft 11, second
Countershaft 17, planetary gear mechanism, one gear driving gear 7, one keep off driven gear 9, two gear driving gear 8, second gear driven gear 10,
Three gear driving gears 15, three keep off driven gear 16, the first differential sliding clutch 13, the second differential sliding clutch 18, first
Synchronizer 12 and the second synchronizer 19.
Wherein, input shaft 1 and planetary gear mechanism form planetary mechanism.
In the present embodiment, planetary gear mechanism is single star row of interior external toothing.Specifically, as shown in Fig. 1 and Fig. 8, institute
Stating planetary gear mechanism includes sun gear 3, planet carrier 4 and gear ring 6, includes the planetary gear 5 greater than three, the sun in planet carrier 4
Wheel 3 is driven with 5 external toothing of planetary gear on planet carrier 4, planetary gear 5 and 6 Inside gear drive of gear ring.The sun gear 3 is fixed to be connected
It connects in the rear end of the input shaft 1, the gear ring 6 is fixed on the cabinet, and the planet carrier 4 can be rotatablely connected by bearing
It is supported on the cabinet.The output axis connection of the front end of the input shaft 1 and the motor 2 is provided on the differential mechanism
The differential mechanism driven gear 14 engaged simultaneously with first differential sliding clutch 13 and the second differential sliding clutch 18.This
Place, the front end of input shaft 1 refer to input shaft 1 close to one end of motor 2, and the rear end of input shaft 1 refers to input shaft 1 away from motor
2 one end.
Preferably, as shown in figure 8, the front end of the input shaft 1 is radially limited in the cabinet, the input shaft 1
Rear end is hanging (not setting radial limit), so that the rear end of the input shaft 1 can float together with sun gear 3.In this way, work
When, when planetary gear is loaded unbalanced, since input shaft is that long axis and rear end do not do radial limit, after input shaft hanging at this time
End (together with sun gear) will float, Automatic-searching equilbrium position, until uniform load distribution position between each planetary gear.
That is, sun gear can realize floating load balancing, so that the planetary mechanism runs smoothly, impact can be reduced and reduce noise, improve row
The service life of star mechanism.
As shown in Figure 1, a gear driving gear 7 and two gear driving gear 8 are fixedly connected on the planet carrier 4, institute
A gear driven gear 9 and second gear driven gear 10 are stated through needle bearing empty set on first countershaft 11, described first is poor
Fast device driving gear 13 is fixedly connected on first countershaft 11, and the three gears driving gear 15 is fixedly connected on the input
On axis 1, the three gears driven gear 16 is fixedly connected on second countershaft 17, and second differential sliding clutch 18 is logical
Needle bearing empty set is crossed on second countershaft 17, a gear driving gear 7 is engaged with a gear driven gear 9, and described two
It keeps off driving gear 8 and second gear driven gear 10 engages, the three gear driving gear 15 is engaged with three gear driven gears 16.
In the present embodiment, first synchronizer 12 is for controlling first countershaft 11 and the gear driven gear 9
And the disengagement and engagement of second gear driven gear 10, second synchronizer 19 is for controlling second countershaft 17 and described second
The disengagement and engagement of differential sliding clutch 18.
In the present embodiment, as shown in figure 8, the input shaft 1 is gear shaft, it has been integrally machined a shift gear thereon
(i.e. three gear driving gears 15).The front end of the input shaft 1 is by deep groove ball bearing 20,21 rotating supports on cabinet.Institute
The rear end for stating input shaft 1 connects the sun gear 3 by spline, and sun gear 3 is locked at described defeated by washer 22 and nut 23
Enter on axis 1.
In addition, in an alternative em bodiment, sun gear 3 and input shaft 1 also can be made integral structure.
As shown in figure 8, the planet carrier 4 includes body 403 after body 402 in planet carrier precursor 401, planet carrier and planet carrier,
The planet carrier precursor 401 is set as hollow shaft structure, which is provided with two shift gears (an i.e. above-mentioned gear driving gear 7 and
Two gear driving gear 8).The planet carrier precursor 401 is fixedly connected in the planet carrier before body 402 by connecting bolt 24
Side, body 403 by pin shaft 25 and connects the rear side that bolt 26 is fixedly connected on body 402 in the planet carrier after the planet carrier,
It is fixedly connected with planet axis 27 in the planet carrier after body 402 and planet carrier between body 403, the planetary gear 5 passes through needle roller axis
28 empty sets are held in the planet axis 27.Herein, the front side of body 402 refers to that body 402 is close to input shaft 1 in planet carrier in planet carrier
Front end side, the rear side of body 402 refers to that body 402 is away from the side of the front end of input shaft 1 in planet carrier in planet carrier.
In addition, as shown in figure 8, be equipped with front bearing 29 on the planet carrier precursor 401, body 403 after the planet carrier
On rear bearings 30 are installed.Front bearing 29 and rear bearings 30 are mounted on cabinet, to realize turn of planet carrier 4 and cabinet
Dynamic connection.Front bearing 29 and rear bearings 30 can use tapered roller bearing.
In the present embodiment, the input shaft 1, the first countershaft 11 and the second countershaft 17 are parallel to each other, and first countershaft
11 and second countershaft 17 be located at the two sides of the input shaft 1.
In the present embodiment, the gear driving gear 7, two gear driving gear 8 and three gear driving gears 15 are along the input
The axial of axis 1 is successively arranged to the direction far from the planetary gear mechanism.One the gear driven gear 9, second gear driven gear
10 and first differential sliding clutch 13 along first countershaft 11 it is axial to the direction far from the planetary gear mechanism according to
Secondary arrangement.Second differential sliding clutch 18 and three gear driven gears 16 are along the axial to far from institute of second countershaft 17
It successively arranges in the direction for stating planetary gear mechanism.
In the present embodiment, first synchronizer 12 is arranged on first countershaft 11 and is located at the gear driven tooth
Between wheel 9 and second gear driven gear 10.Second synchronizer 19 is arranged on second countershaft 17 and is located at described second
Side of the differential sliding clutch 18 far from the three gears driven gear 16.
The shift control method of three shift transmissions of the present embodiment is as follows:
Neutral gear: the first synchronizer 12 and the second synchronizer 19 are in the state of being disengaged from, at this point, the first countershaft 11 and one
It keeps off driven gear 9 and second gear driven gear 10 disengages, unpowered output, speed changer is in neutral position state.
One gear: the second synchronizer 19 is in the state that is disengaged from, and the second countershaft 17 and the second differential sliding clutch 18 are de-
It opens, the first synchronizer 12 is put into gear upwards, is engaged with a gear driven gear 9, so that the first countershaft 11 connects with a gear driven gear 9
It closes, the first countershaft 11 is rotated with a gear driven gear 9.At this point, the power from motor 2 passes through sun gear 3 again by input shaft 1
To planetary gear 5, then planet carrier 4 is arrived, then one by being fixedly connected with planet carrier 4 gear driving gear 7 is transmitted to a gear driven tooth
Wheel 9, a gear driven gear 9 drive the rotation of the first countershaft 11, and power is finally from the first differential mechanism driving tooth on the first countershaft 11
Wheel 13 is transmitted to differential mechanism driven gear 14.One gear power transmission line is as shown in the black heavy solid line arrows in Fig. 2.
Second gear: the second synchronizer 19 is in the state that is disengaged from, and the second countershaft 17 and the second differential sliding clutch 18 are de-
It opens, the first synchronizer 12 is put into gear downwards, is engaged with second gear driven gear 10, so that the first countershaft 11 and second gear driven gear 10
Engagement.At this point, the power from motor 2 by input shaft 1 by sun gear 3 again to planetary gear 5, then to planet carrier 4, then by with
The two gear driving gear 8 that planet carrier 4 is fixedly connected is transmitted to second gear driven gear 10, and second gear driven gear 10 drives the first countershaft
11 rotations, power are finally transmitted to differential mechanism driven gear 14 from the first differential sliding clutch 13 on the first countershaft 11.Two
Power transmission line is kept off as shown in the black heavy solid line arrows in Fig. 3.
Three gears: the first synchronizer 12 is in the state that is disengaged from, and the first countershaft 11 and a gear driven gear 9 and second gear are driven
Gear 10 disengages, and the second synchronizer 19 is put into gear downwards, engaged with the second differential sliding clutch 18.At this point, dynamic from motor 2
Power is transmitted to three gear driven gears 16 by three gear driving gears 15 by input shaft 1, and three gear driven gears 16 drive the second countershaft
17 rotations, are transmitted to differential mechanism driven gear 14 using the second differential sliding clutch 18 on the second countershaft 17.Three gears are dynamic
Power transfer route is as shown in the black heavy solid line arrows in Fig. 4.
The planetary mechanism of the embodiment of the present invention, three shift transmissions and the three electronic assemblies of gear, sun gear are fixedly connected on input
The rear end of axis, the front end of input shaft are radially limited in a cabinet, and the rear end of input shaft is hanging (not setting radial limit).Work
When, when planetary gear is loaded unbalanced, since input shaft is that long axis and rear end do not do radial limit, after input shaft hanging at this time
End (together with sun gear) will float, Automatic-searching equilbrium position, until uniform load distribution position between each planetary gear.
That is, sun gear can realize floating load balancing, so that the planetary mechanism runs smoothly, impact can be reduced and reduce noise, improve row
The service life of star mechanism.And without increasing additional load-balancing device, so that the planetary mechanism structure is simple and at low cost.
In addition, enabling three shift transmission and the three electronic assemblies of gear to obtain very big by using planetary gear mechanism
Gear range, and the speed ratio of three gears can be adjusted flexibly, and can obtain and meet the speed ratio that each operating condition needs.In addition,
Three shift transmissions of the embodiment of the present invention and the three electronic assemblies of gear, a gear speed ratio is very big, and vehicle can reach very big climbable gradient；
Three gear speed ratio very littles, can be realized high vehicle speeds；Second gear speed ratio can be arranged according to operating condition, make the differential conjunction of three speed ratios
Reason, shift is comfortable, and motor works long hours in high efficient district.
Fig. 5 show another embodiment of the present invention provides the three electronic assemblies of gear structure diagram.With embodiment illustrated in fig. 1
It compares, difference is, a gear driving gear 7 and two gear driving gear 8 pass through needle bearing empty set in the planet carrier 4
On, a gear driven gear 9 and second gear driven gear 10 are then fixedly connected on first countershaft 11, accordingly, by institute
The first synchronizer 12 is stated to be arranged on the planet carrier 4 and be located between a gear driving gear 7 and two gear driving gear 8.
Different from embodiment illustrated in fig. 1, herein, first synchronizer 12 is for controlling the planet carrier 4 and the gear driving tooth
The disengagement and engagement of wheel 7 and two gear driving gear 8.
Fig. 6 show another embodiment of the present invention provides the three electronic assemblies of gear structure diagram.With embodiment illustrated in fig. 1
It compares, difference is, the three gears driven gear 16 passes through needle bearing empty set on second countershaft 17, described second
Differential sliding clutch 18 is then fixedly connected on second countershaft 17, and accordingly, second synchronizer 19 setting is existed
Between the three gear driven gear 16 and the second differential sliding clutch 18.It is different from embodiment illustrated in fig. 1, herein, described
Two synchronizers 19 are used to control the disengagement and engagement of second countershaft 17 with the three gears driven gear 16.
Fig. 7 show another embodiment of the present invention provides the three electronic assemblies of gear structure diagram.With embodiment illustrated in fig. 2
It compares, difference is, the three gears driven gear 16 passes through needle bearing empty set on second countershaft 17, described second
Differential sliding clutch 18 is then fixedly connected on second countershaft 17, and accordingly, second synchronizer 19 setting is existed
Between the three gear driven gear 16 and the second differential sliding clutch 18.It is different from embodiment illustrated in fig. 2, herein, described
Two synchronizers 19 are used to control the disengagement and engagement of second countershaft 17 with the three gears driven gear 16.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (15)
1. a kind of planetary mechanism, which is characterized in that including input shaft and planetary gear mechanism, the planetary gear mechanism includes too
The planetary gear external toothing of sun wheel, planet carrier and gear ring, the sun gear and the planet carrier is driven, the planet on the planet carrier
Wheel and the gear ring Inside gear drive, the sun gear are fixedly connected on the rear end of the input shaft, the front end of the input shaft
Radial direction is limited in a cabinet, and the rear end of the input shaft is hanging, and the gear ring is fixedly connected on the cabinet, the planet
Frame rotational support is on the cabinet.
2. planetary mechanism according to claim 1, which is characterized in that the front end of the input shaft passes through bearing rotating support
In on the cabinet, the rear end of the input shaft connects the sun gear by spline.
3. planetary mechanism according to claim 1, which is characterized in that the planet carrier includes planet carrier precursor, planet carrier
Body after middle body and planet carrier, the planet carrier precursor are fixedly connected on the front side of body in the planet carrier, body after the planet carrier
It is fixedly connected on the rear side of body in the planet carrier, is fixedly connected with planet between body after body and planet carrier in the planet carrier
Axis, the planetary gear empty set is in the planet axis.
4. planetary mechanism according to claim 3, which is characterized in that front bearing is installed on the planet carrier precursor,
Rear bearings are installed on body after the planet carrier.
5. a kind of three shift transmissions, which is characterized in that including cabinet, the first countershaft, the second countershaft, a gear driving gear, a gear
Driven gear, two gear driving gear, second gear driven gear, three gear driving gears, three gear driving gears, the first differential mechanism driving tooth
Planet machine described in wheel, the second differential sliding clutch, the first synchronizer, the second synchronizer and claim 1-4 any one
Structure；
The one gear driving gear and two gear driving gear are fixedly connected on the planet carrier, the gear driven gear and two
Driven gear empty set is kept off on first countershaft, first differential sliding clutch is fixedly connected on first countershaft
On, the three gears driving gear is fixedly connected on the input shaft, and the three gears driven gear is fixedly connected on described second
On countershaft, for the second differential sliding clutch empty set on second countershaft, a gear driving gear and a gear are driven
Gear engagement, the two gear driving gear and the engagement of second gear driven gear, the three gear driving gear are nibbled with three gear driven gears
It closes；
First synchronizer is used to control the disengagement of first countershaft and a gear driven gear and second gear driven gear
With engagement, second synchronizer is used to control the disengagement of second countershaft and second differential sliding clutch and connects
It closes.
6. three shift transmission according to claim 5, which is characterized in that the input shaft, the first countershaft and the second countershaft
It is parallel to each other, and first countershaft and the second countershaft are located at the two sides of the input shaft.
7. three shift transmission according to claim 5, which is characterized in that a gear driving gear, two gear driving gear
And three gear driving gear successively arranging along the axial of the input shaft to the direction far from the planetary gear mechanism；
The one gear driven gear, second gear driven gear and the first differential sliding clutch are along the axial to remote of first countershaft
It successively arranges in direction from the planetary gear mechanism；
Second differential sliding clutch and three gear driven gears are along the axial to far from the planet tooth of second countershaft
It successively arranges in the direction of wheel mechanism.
8. according to three shift transmissions described in claim 5-7 any one, which is characterized in that the first synchronizer setting exists
On first countershaft and it is located between a gear driven gear and second gear driven gear；
Second synchronizer is arranged on second countershaft and is located at second differential sliding clutch far from described three
Keep off the side of driven gear.
9. a kind of three shift transmissions, which is characterized in that including cabinet, the first countershaft, the second countershaft, a gear driving gear, a gear
Driven gear, two gear driving gear, second gear driven gear, three gear driving gears, three gear driving gears, the first differential mechanism driving tooth
Planet machine described in wheel, the second differential sliding clutch, the first synchronizer, the second synchronizer and claim 1-4 any one
Structure；
It is described one gear driving gear and two gear driving gear empty set on the planet carrier, it is described one gear driven gear and second gear from
Moving gear is fixedly connected on first countershaft, and first differential sliding clutch is fixedly connected on first countershaft
On, the three gears driving gear is fixedly connected on the input shaft, and the three gears driven gear is fixedly connected on described second
On countershaft, for the second differential sliding clutch empty set on second countershaft, a gear driving gear and a gear are driven
Gear engagement, the two gear driving gear and the engagement of second gear driven gear, the three gear driving gear are nibbled with three gear driven gears
It closes；
First synchronizer be used for control the planet carrier and it is described one gear driving gear and two gear driving gear disengagement with
Engagement, second synchronizer are used to control the disengagement and engagement of second countershaft Yu second differential sliding clutch.
10. three shift transmission according to claim 9, which is characterized in that first synchronizer is arranged in the planet
On frame and it is located between a gear driving gear and two gear driving gear；
Second synchronizer is arranged on second countershaft and is located at second differential sliding clutch far from described three
Keep off the side of driven gear.
11. a kind of three shift transmissions, which is characterized in that including cabinet, the first countershaft, the second countershaft, a gear driving gear, a gear
Driven gear, two gear driving gear, second gear driven gear, three gear driving gears, three gear driving gears, the first differential mechanism driving tooth
Planet machine described in wheel, the second differential sliding clutch, the first synchronizer, the second synchronizer and claim 1-4 any one
Structure；
The one gear driving gear and two gear driving gear are fixedly connected on the planet carrier, the gear driven gear and two
Driven gear empty set is kept off on first countershaft, first differential sliding clutch is fixedly connected on first countershaft
On, the three gears driving gear is fixedly connected on the input shaft, and the three gears driven gear empty set is in second countershaft
On, second differential sliding clutch is fixedly connected on second countershaft, and a gear driving gear and a gear are driven
Gear engagement, the two gear driving gear and the engagement of second gear driven gear, the three gear driving gear are nibbled with three gear driven gears
It closes；
First synchronizer is used to control the disengagement of first countershaft and a gear driven gear and second gear driven gear
With engagement, second synchronizer is used to control the disengagement and engagement of second countershaft and the three gears driven gear.
12. three shift transmission according to claim 11, which is characterized in that first synchronizer is arranged described first
On countershaft and it is located between a gear driven gear and second gear driven gear；
Second synchronizer is arranged on second countershaft and is located at second differential sliding clutch and three gear
Between driven gear.
13. a kind of three shift transmissions, which is characterized in that including cabinet, the first countershaft, the second countershaft, a gear driving gear, a gear
Driven gear, two gear driving gear, second gear driven gear, three gear driving gears, three gear driving gears, the first differential mechanism driving tooth
Planet machine described in wheel, the second differential sliding clutch, the first synchronizer, the second synchronizer and claim 1-4 any one
Structure；
It is described one gear driving gear and two gear driving gear empty set on the planet carrier, it is described one gear driven gear and second gear from
Moving gear is fixedly connected on first countershaft, and first differential sliding clutch is fixedly connected on first countershaft
On, the three gears driving gear is fixedly connected on the input shaft, and the three gears driven gear empty set is in second countershaft
On, second differential sliding clutch is fixedly connected on second countershaft, and a gear driving gear and a gear are driven
Gear engagement, the two gear driving gear and the engagement of second gear driven gear, the three gear driving gear are nibbled with three gear driven gears
It closes；
First synchronizer be used for control the planet carrier and it is described one gear driving gear and two gear driving gear disengagement with
Engagement, second synchronizer are used to control the disengagement and engagement of second countershaft and the three gears driven gear.
14. three shift transmission according to claim 13, which is characterized in that first synchronizer is arranged in the planet
On frame and it is located between a gear driving gear and two gear driving gear；
Second synchronizer is arranged on second countershaft and is located at second differential sliding clutch and three gear
Between driven gear.
15. the three electronic assembly of gear of one kind, which is characterized in that including described in motor, differential mechanism and claim 5-14 any one
Three shift transmissions, the output axis connection of the front end of the input shaft and the motor, be provided on the differential mechanism and meanwhile with
First differential sliding clutch and the differential mechanism driven gear of the second differential sliding clutch engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710905817.7A CN109578534B (en) | 2017-09-29 | 2017-09-29 | Three-gear transmission and three-gear electric assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710905817.7A CN109578534B (en) | 2017-09-29 | 2017-09-29 | Three-gear transmission and three-gear electric assembly |
Publications (2)
| Publication Number | Publication Date |
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| CN109578534A true CN109578534A (en) | 2019-04-05 |
| CN109578534B CN109578534B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710905817.7A Active CN109578534B (en) | 2017-09-29 | 2017-09-29 | Three-gear transmission and three-gear electric assembly |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030125156A1 (en) * | 2001-12-27 | 2003-07-03 | Myoung-Hun Kang | Shift control method for an automatic transmission |
| CN103291859A (en) * | 2013-01-16 | 2013-09-11 | 清华大学 | Automatic power-preserving mechanical three-gear transmission of automobile |
| WO2014039448A2 (en) * | 2012-09-07 | 2014-03-13 | Dana Limited | Ball type cvt with output coupled powerpaths |
| CN104696450A (en) * | 2013-12-10 | 2015-06-10 | 通用汽车环球科技运作有限责任公司 | Triple clutch multi-speed transmission |
| CN104948679A (en) * | 2015-05-07 | 2015-09-30 | 清华大学 | Combined gear train power keeping type three-gear automatic transmission |
-
2017
- 2017-09-29 CN CN201710905817.7A patent/CN109578534B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030125156A1 (en) * | 2001-12-27 | 2003-07-03 | Myoung-Hun Kang | Shift control method for an automatic transmission |
| WO2014039448A2 (en) * | 2012-09-07 | 2014-03-13 | Dana Limited | Ball type cvt with output coupled powerpaths |
| CN103291859A (en) * | 2013-01-16 | 2013-09-11 | 清华大学 | Automatic power-preserving mechanical three-gear transmission of automobile |
| CN104696450A (en) * | 2013-12-10 | 2015-06-10 | 通用汽车环球科技运作有限责任公司 | Triple clutch multi-speed transmission |
| CN104948679A (en) * | 2015-05-07 | 2015-09-30 | 清华大学 | Combined gear train power keeping type three-gear automatic transmission |
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| Publication number | Publication date |
|---|---|
| CN109578534B (en) | 2020-10-23 |
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