CN108413003A - The double-deck planetary conical cone gear mechanism differential mechanism inside and outside one kind - Google Patents

The double-deck planetary conical cone gear mechanism differential mechanism inside and outside one kind Download PDF

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Publication number
CN108413003A
CN108413003A CN201810356403.8A CN201810356403A CN108413003A CN 108413003 A CN108413003 A CN 108413003A CN 201810356403 A CN201810356403 A CN 201810356403A CN 108413003 A CN108413003 A CN 108413003A
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CN
China
Prior art keywords
gear
conical
sun
planetary
differential mechanism
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Granted
Application number
CN201810356403.8A
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Chinese (zh)
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CN108413003B (en
Inventor
包世萍
翟小兵
张宁
曾德江
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Guangdong Mechanical and Electrical College
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Guangdong Mechanical and Electrical College
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Priority to CN201810356403.8A priority Critical patent/CN108413003B/en
Publication of CN108413003A publication Critical patent/CN108413003A/en
Application granted granted Critical
Publication of CN108413003B publication Critical patent/CN108413003B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H48/00Differential gearings
    • F16H48/05Multiple interconnected differential sets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H48/00Differential gearings
    • F16H48/06Differential gearings with gears having orbital motion
    • F16H48/08Differential gearings with gears having orbital motion comprising bevel gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H48/00Differential gearings
    • F16H48/20Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/28Arrangements for suppressing or influencing the differential action, e.g. locking devices using self-locking gears or self-braking gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H48/00Differential gearings
    • F16H48/38Constructional details
    • F16H48/40Constructional details characterised by features of the rotating cases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/029Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/08General details of gearing of gearings with members having orbital motion
    • F16H57/082Planet carriers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H48/00Differential gearings
    • F16H48/06Differential gearings with gears having orbital motion
    • F16H48/08Differential gearings with gears having orbital motion comprising bevel gears
    • F16H2048/085Differential gearings with gears having orbital motion comprising bevel gears characterised by shafts or gear carriers for orbital gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H48/00Differential gearings
    • F16H48/06Differential gearings with gears having orbital motion
    • F16H48/08Differential gearings with gears having orbital motion comprising bevel gears
    • F16H2048/087Differential gearings with gears having orbital motion comprising bevel gears characterised by the pinion gears, e.g. their type or arrangement

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

The present invention discloses the double-deck planetary conical cone gear mechanism differential mechanism inside and outside one kind,Including left box body,Middle case and right case,Left box body is connected with input large conical gear,Differential mechanism is internally provided with the internal layer sun conical gear engaged transmission of two internal layer planetary conical cone gears and both sides,Internal layer planetary conical cone gear centre is equipped with a pair of of taper roll bearing and is placed on long axis peripheral surface,Internal layer sun conical gear is fixedly linked with sun gear shaft,Differential mechanism is internally provided with the outer layer sun conical gear engaged transmission of two outer layer planetary conical cone gears and both sides,Two outer layer planetary conical cone gears are connected with long axis respectively,The ring gear of outer layer sun conical gear and planetary cylindrical gear engaged transmission,The gear of planetary cylindrical gear and sun gear shaft engaged transmission,Planetary cylindrical geared end is connected with the bearing for being installed on planet carrier,Planet carrier is connected with output axle shaft.Compared with the prior art, the present invention have many advantages, such as stress equalization and reliable operation, it can be achieved that size reduce, structure it is compacter.

Description

The double-deck planetary conical cone gear mechanism differential mechanism inside and outside one kind
Technical field
The present invention relates to automobile differential drive technology fields, more particularly to the double-deck planetary conical cone gear mechanism is poor inside and outside one kind Fast device.
Background technology
In the prior art, differential mechanism is mainly used in automobile technical field, when automobile is turned, due to left side wheel It is different with the rotating speed of right side wheels, it is less likely to occur because the rotating speed of both sides wheel is different to ensure automobile during vehicle turning And the skidding occurred, therefore realize using differential mechanism the work of vehicle both sides wheel different rotating speeds.
The planetary conical cone gear differential mechanism of the prior art mainly by a pair of of planetary conical cone gear, a pair of of sun conical gear, The parts such as planetary wheel carrier, differential carrier, axle shaft gear form, since structure is too simple, so that part-structure stress is not The excessive fuel economy for influencing vehicle of balanced and volume, therefore structure optimization tool is carried out for planetary conical cone gear differential mechanism It is significant.
Invention content
The main object of the present invention is to propose a kind of inside and outside double-deck planetary conical cone gear mechanism of stress equalization and reliable operation Structure differential mechanism, it is intended to Optimal Structure Designing is carried out to the inside and outside double-deck planetary conical cone gear mechanism differential mechanism, with realize size reduce, Structure is compacter and improves functional reliability.
To achieve the above object, the double-deck planetary conical cone gear mechanism differential mechanism inside and outside one kind proposed by the present invention, including according to Secondary connected left box body, middle case and right case form inner space, the left box body and input large conical gear stationary phase Even, differential mechanism be internally provided with two internal layer planetary conical cone gears disposed in parallel simultaneously in left inside layer sun conical gear and the right side Layer sun conical gear engaged transmission, the internal layer planetary conical cone gear centre are equipped with a pair of of taper roll bearing and are placed on outside long axis Circumferential surface, the left inside layer sun conical gear are fixedly linked with left center gear shaft, in the middle part of the right internal layer sun conical gear Be fixedly linked with right sun gear shaft, be additionally provided with inside differential mechanism two outer layer planetary conical cone gears disposed in parallel simultaneously with a left side Outer layer sun conical gear and right outer layer sun conical gear engaged transmission engaged transmission, the outer layer planetary conical cone gear, institute It states left outside layer sun conical gear and the right outer layer sun conical gear is set to by the internal layer planetary conical cone gear, institute On the outside of the structure for stating left inside layer sun conical gear and the right internal layer sun conical gear composition;Two outer layer planets Conical gear is fixedly linked with the long axis respectively, ring gear and the left lateral star roller gear of the left outside layer sun conical gear Engaged transmission, ring gear and the right lateral star roller gear engaged transmission of the right outer layer sun conical gear, the left lateral star circle The gear engaged transmission of stud wheel and the left center gear shaft, the right lateral star roller gear and the right sun gear shaft Gear engaged transmission, the left lateral star roller gear is protruding to be connected with the bearing for being installed on left lateral carrier, the right lateral star Roller gear is protruding to be connected with the bearing for being installed on right lateral carrier, the left lateral carrier and the left output axle shaft stationary phase Even, the right lateral carrier is fixedly linked with the right output axle shaft;The left center gear shaft, the right sun gear shaft and The central axis of the long axis is vertical with the side of center bearing bracket respectively.
Preferably, the left box body and the input large conical gear are fixedly linked with screw, the left box body and described Right case is positioned by positioning spigot and the middle case and is connected to form combination box, the left lateral by screw fastening respectively Carrier is fixedly linked with the left output axle shaft with spline, and the right lateral carrier is with the right output axle shaft with spline stationary phase Even.
Preferably, two internal layer planetary conical cone gears and the left inside layer sun conical gear and the right internal layer be too Positive conical gear is arranged for rectangle;Two outer layer planetary conical cone gears and the left outside layer sun conical gear and the right side Outer layer sun conical gear is arranged for rectangle.
Preferably, the left inside layer sun conical gear is connected with the left center gear shaft with flat key, the right internal layer Sun conical gear is connected with the right sun gear shaft with flat key.
Preferably, it is supported by left support frame on the left of the left outside layer sun conical gear, the right outer layer sun circular cone tooth The right side of wheel is supported by right support frame;The left support frame is connected by taper roll bearing with the left output axle shaft, described Right support frame is connected by taper roll bearing with the right output axle shaft.
Preferably, the long axis is connected close to one end of the middle case, and there are two taper roll bearing, the cylindrical rollers Bearing is installed within sleeve, and the sleeve passes through the shell of the middle case and limited and fixed with the middle case by end cap It is connected;The long axis is connected close to the one end at differential mechanism center with taper roll bearing, which is installed on described Inside center bearing bracket;The left center gear shaft is connected with taper roll bearing, the left side close to one end of the center bearing bracket The sun gear shaft other end is connected with the taper roll bearing for being installed on left lateral carrier;The right sun gear shaft is in described One end of cardiac skeleton is connected with taper roll bearing, and the right sun gear shaft other end and the circular cone for being installed on right lateral carrier roll Sub- bearing is connected.
Preferably, the shape of the center bearing bracket is rectangular, and the side of the center bearing bracket is equipped with T font ribs.
Preferably, the quantity of the left lateral star roller gear and the right lateral star roller gear is whole more than or equal to 2 It counts, is uniformly distributed centered on the left lateral star roller gear and the right lateral star roller gear.
Preferably, the left output axle shaft and the right output axle shaft carry out peripheral surface sealing by felt.
Technical solution of the present invention has the following advantages compared with the prior art:
When the inside and outside double-deck planetary conical cone gear mechanism differential mechanism of technical solution of the present invention, large conical gear drive group is inputted Body pivot is closed, combination box then can drive long axis and center bearing bracket to be rotated around the central axis of middle case.At this moment it installs Outer layer planetary conical cone gear and internal layer planetary conical cone gear on long axis will start to revolve round the sun around the central axis of middle case.When When left side rotating speed is identical as right side rotating speed, i.e., vehicle is walked in a linear fashion, and inside and outside bilayer planetary conical cone gear mechanism is poor The structure of fast device left part is consistent with the structure stress of right part.At this point, internal layer planetary conical cone gear and outer layer planetary conical cone gear are only There is revolution, without rotation.When left side rotating speed and right side rotating speed differ, inside and outside bilayer planetary conical cone gear mechanism differential mechanism The structure of left part is different from the structure stress of right part.At this moment internal layer planetary conical cone gear and outer layer planetary conical cone gear are due to stress Difference not only revolves round the sun around center, while also distinguishing rotation, and left outside layer sun conical gear and the right outer layer sun on right side is caused to be justified The ring gear rotating speed of bevel gear is different, and correspondingly the left center gear shaft of the right and left is different with the rotating speed of right sun gear shaft, And then differential output is formed between the epicyclic transmission mechanism of both sides, it realizes transmission power shunting, effectively mitigates the work of single gear Pressure.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the internal structure schematic diagram of the double-deck planetary conical cone gear mechanism differential mechanism inside and outside the present invention;
Fig. 2 is sectional view at A-A in Fig. 1;
Fig. 3 is sectional view at B-B in Fig. 1;
Fig. 4 is sectional view at C-C in Fig. 2.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...), Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component, Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc. Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes the double-deck planetary conical cone gear mechanism differential mechanism inside and outside one kind.
Refer to Fig. 1 to Fig. 4, in embodiments of the present invention, it is inside and outside bilayer planetary conical cone gear mechanism differential mechanism include according to Secondary connected left box body 13 ', middle case 2 and right case 13 form inner space, left box body 13 ' and input large conical gear 1 Be fixedly linked, differential mechanism be internally provided with two internal layer planetary conical cone gears disposed in parallel 5 simultaneously with left inside layer sun circular cone tooth 6 engaged transmission of wheel 6 ' and right internal layer sun conical gear, 5 center of internal layer planetary conical cone gear is equipped with a pair of of taper roll bearing set In 3 peripheral surface of long axis being radially arranged along middle case 2, so that when long axis 3 drives outer layer planetary conical cone gear to be rotated, Internal layer planetary conical cone gear 5 is without being affected.Left inside layer sun conical gear 6 ' and 10 ' stationary phase of left center gear shaft Even, 6 middle part of right internal layer sun conical gear is fixedly linked with right sun gear shaft 10, so that left inside layer sun conical gear 6 ' turn with 10 ' common rotation of left center gear shaft and 6 middle part of right internal layer sun conical gear with right sun gear shaft 10 jointly It is dynamic, be additionally provided with inside differential mechanism two outer layer planetary conical cone gears 4 disposed in parallel simultaneously with left outside layer sun conical gear 7 ' With 7 engaged transmission engaged transmission of right outer layer sun conical gear, outer layer planetary conical cone gear 4, left outside layer sun conical gear 7 ' And right outer layer sun conical gear 7 is set to by internal layer planetary conical cone gear 5, left inside layer sun conical gear 6 ' and the right side On the outside of the structure of 6 composition of layer sun conical gear;Two outer layer planetary conical cone gears 4 are fixedly linked with long axis 3 respectively, to make Obtaining long axis 3 drives outer layer planetary conical cone gear 4 to be rotated jointly, ring gear and the left lateral star of left outside layer sun conical gear 7 ' 8 ' engaged transmission of roller gear, ring gear and 8 engaged transmission of right lateral star roller gear, the left lateral of right outer layer sun conical gear 7 The gear engaged transmission of star roller gear 8 ' and left center gear shaft 10 ', right lateral star roller gear 8 and right sun gear shaft 10 Gear engaged transmission, left lateral star roller gear 8 ' is protruding to be connected with bearing that is being installed on left lateral carrier 12 ', and the bearing is preferred For deep groove ball bearing, and be fixed by bearing (ball) cover and circlip for shaft, right lateral star roller gear 8 it is protruding with The bearing for being installed on right lateral carrier 12 is connected, which is preferably deep groove ball bearing, and passes through bearing (ball) cover and axis elasticity Baffle ring is fixed, and left lateral carrier 12 ' is fixedly linked with left output axle shaft 11 ', and right lateral carrier 12 is fixed with right output axle shaft 12 It is connected;The central axis of left center gear shaft 10 ', right sun gear shaft 10 and long axis 3 side with center bearing bracket 14 respectively Vertically.As shown in figure 4,14 both ends of center bearing bracket are connect using link 15 with middle case 2, link 15 positioning pin and raising middle flask The positioning of body 2 is screwed connection again.It is connected with screw between center bearing bracket 14 and link 15, therefore exists determine between the two Position relationship.
Preferably, left box body 13 ' and input large conical gear 1 are fixedly linked with screw, and left box body 13 ' and right case 13 divide It is not positioned by positioning spigot and middle case 2 and combination box is connected to form by screw fastening, as shown in figure 3, the present embodiment Left lateral carrier 12 ' be fixedly linked with spline with left output axle shaft 11 ', right lateral carrier 12 is fixed with right output axle shaft 11 with spline It is connected.
Preferably, two internal layer planetary conical cone gears 5 and left inside layer sun conical gear 6 ' and right internal layer sun circular cone tooth Wheel 6 is arranged for rectangle;Two outer layer planetary conical cone gears 4 and left outside layer sun conical gear 7 ' and right outer layer sun conical gear 7 are arranged for rectangle.
Preferably, left inside layer sun conical gear 6 ' is connected with left center gear shaft 10 ' with flat key, right internal layer sun circular cone Gear 6 is connected with right sun gear shaft 10 with flat key.So that left inside layer sun conical gear 6 ' and left center gear shaft 10 ', right internal layer sun conical gear 6 and right sun gear shaft 10 synchronize rotated.
Preferably, 7 ' left side of left outside layer sun conical gear is supported by left support frame 9 ', right outer layer sun conical gear 7 Right side is supported by right support frame 9, to can guarantee left outside layer sun conical gear 7 ' and the positioning of right outer layer sun conical gear 7 Accuracy and ensure its normal work.Left support frame 9 ' is connected by taper roll bearing with left output axle shaft 11 ', right branch Support 9 is connected by taper roll bearing with right output axle shaft 11.
Preferably, long axis 3 is connected close to one end of middle case 2, and there are two taper roll bearing, cylinder roller bearing peaces Within sleeve, sleeve passes through the shell of middle case 2 and is limited and be fixedly linked with middle case 2 by end cap;Long axis 3 is close to poor The one end at fast device center is connected with taper roll bearing, which is installed on inside center bearing bracket 14;Left center tooth Wheel shaft 10 ' is connected with taper roll bearing close to one end of center bearing bracket 14, the 10 ' other end of left center gear shaft and is installed on a left side The taper roll bearing of planet carrier 12 ' is connected;Right sun gear shaft 10 is connected with taper roller close to one end of center bearing bracket 14 Bearing, 10 other end of right sun gear shaft are connected with the taper roll bearing for being installed on right lateral carrier 12.By above-mentioned structure, So that long axis 3, left center gear shaft 10 ' and right sun gear shaft 10 are after mounting, both ends are supported simultaneously, so that It is more uniformly stressed.
Preferably, the shape of center bearing bracket 14 is rectangular, and the side of center bearing bracket 14 is equipped with T font ribs, to Ensure that entire center bearing bracket 14 has good Anti-bending structure intensity.
Preferably, the quantity of left lateral star roller gear 8 ' and right lateral star roller gear 8 is the integer more than or equal to 2, left It is uniformly distributed centered on planetary cylindrical gear 8 ' and right lateral star roller gear 8.
Preferably, left output axle shaft 11 ' and right output axle shaft 11 carry out peripheral surface sealing by felt.
Refer to Fig. 1 to Fig. 4, the operation principle of the inside and outside double-deck planetary conical cone gear mechanism differential mechanism of the embodiment of the present invention For:
When the differential mechanism of the embodiment of the present invention is worked, input large conical gear 1 drives combination box rotation, combination Babinet can then drive long axis 3 and center bearing bracket 14 to be rotated around the central axis of middle case.At this moment it is mounted on outer on long axis 3 Layer planetary conical cone gear 4 and internal layer planetary conical cone gear 5 will start to revolve round the sun around the central axis of middle case.
When left side rotating speed is identical as right side rotating speed, i.e., vehicle is walked in a linear fashion, inside and outside bilayer planetary conical cone The structure of gear mechanism differential mechanism left part is consistent with the structure stress of right part.At this point, internal layer planetary conical cone gear 5 and outer layer planet Conical gear 4 only revolves round the sun, without rotation.
When left side rotating speed and right side rotating speed differ, the structure of inside and outside bilayer planetary conical cone gear mechanism differential mechanism left part It is different from the structure stress of right part.At this moment internal layer planetary conical cone gear 5 and outer layer planetary conical cone gear 4 are due to stress difference, no It only revolves round the sun around center, while also distinguishing rotation, lead to the right outer layer sun circular cone tooth of left outside layer sun conical gear 7 ' and right side The ring gear rotating speed of wheel 7 is different, and correspondingly the rotating speed of the left center gear shaft 10 ' of the right and left and right sun gear shaft 10 is not Together, and then between the epicyclic transmission mechanism of both sides differential output is formed, transmission power shunting is realized, effectively mitigates the work of single gear Make pressure.
When the inside and outside double-deck planetary conical cone gear mechanism differential mechanism of the embodiment of the present invention forms differential output, it can reduce single The stress of gear realizes power dividing to extend service life of gear, and may be implemented to slow down.At the same time it can optimize zero Part structure realizes compact-sized and reduction size.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly His relevant technical field is included in the scope of patent protection of the present invention.

Claims (9)

1. the double-deck planetary conical cone gear mechanism differential mechanism inside and outside one kind, which is characterized in that including left box body, the raising middle flask being sequentially connected Body and right case form inner space, and the left box body is fixedly linked with input large conical gear, and differential mechanism is internally provided with two A internal layer planetary conical cone gear disposed in parallel is engaged with left inside layer sun conical gear and right internal layer sun conical gear simultaneously Transmission, the internal layer planetary conical cone gear centre are equipped with a pair of of taper roll bearing and are placed on long axis peripheral surface, and the left inside layer is too Positive conical gear is fixedly linked with left center gear shaft, is fixed with right sun gear shaft in the middle part of the right internal layer sun conical gear Be connected, be additionally provided with inside differential mechanism two outer layer planetary conical cone gears disposed in parallel simultaneously with left outside layer sun conical gear and Right outer layer sun conical gear engaged transmission engaged transmission, the outer layer planetary conical cone gear, the left outside layer sun circular cone tooth Wheel and the right outer layer sun conical gear are set to by the internal layer planetary conical cone gear, the left inside layer sun circular cone tooth On the outside of the structure of wheel and the right internal layer sun conical gear composition;Two outer layer planetary conical cone gears respectively with it is described Long axis is fixedly linked, ring gear and the left lateral star roller gear engaged transmission of the left outside layer sun conical gear, described right outer The ring gear of layer sun conical gear and right lateral star roller gear engaged transmission, the left lateral star roller gear and the left center The gear engaged transmission of gear shaft, the gear engaged transmission of the right lateral star roller gear and the right sun gear shaft are described Left lateral star roller gear is protruding to be connected with the bearing for being installed on left lateral carrier, the right lateral star roller gear it is protruding with Be installed on right lateral carrier bearing be connected, the left lateral carrier is fixedly linked with the left output axle shaft, the right lateral carrier and The right output axle shaft is fixedly linked;The central shaft of the left center gear shaft, the right sun gear shaft and the long axis Line is vertical with the side of center bearing bracket respectively.
2. planetary conical cone gear mechanism differential mechanism as described in claim 1 inside and outside double-deck, which is characterized in that the left box body and The input large conical gear is fixedly linked with screw, the left box body and the right case respectively by positioning spigot with it is described Middle case positions and is connected to form combination box by screw fastening, and the left lateral carrier is solid with spline with the left output axle shaft Fixed to be connected, the right lateral carrier is fixedly linked with the right output axle shaft with spline.
3. the inside and outside double-deck planetary conical cone gear mechanism differential mechanism as described in claim 1, which is characterized in that two internal layers Planetary conical cone gear is arranged with the left inside layer sun conical gear and the right internal layer sun conical gear for rectangle;Two institutes Outer layer planetary conical cone gear is stated with the left outside layer sun conical gear and the right outer layer sun conical gear to be arranged for rectangle.
4. the inside and outside double-deck planetary conical cone gear mechanism differential mechanism as described in claim 1, which is characterized in that the left inside layer is too Positive conical gear is connected with the left center gear shaft with flat key, the right internal layer sun conical gear and the right central gear Axis is connected with flat key.
5. the inside and outside double-deck planetary conical cone gear mechanism differential mechanism as described in claim 1, which is characterized in that the left outside layer is too It is supported by left support frame on the left of positive conical gear, the right side of the right outer layer sun conical gear is supported by right support frame;It is described Left support frame is connected by taper roll bearing with the left output axle shaft, and the right support frame passes through taper roll bearing and institute Right output axle shaft is stated to be connected.
6. the inside and outside double-deck planetary conical cone gear mechanism differential mechanism as described in claim 1, which is characterized in that the long axis is close One end of the middle case is connected there are two taper roll bearing, which is installed within sleeve, the sleeve Across the middle case shell and by end cap limit and be fixedly linked with the middle case;The long axis is close to differential mechanism center One end be connected with taper roll bearing, which is installed on inside the center bearing bracket;The left center gear Axis is connected with taper roll bearing close to one end of the center bearing bracket, the left center gear shaft other end and is installed on left lateral The taper roll bearing of carrier is connected;The right sun gear shaft is connected with taper roller axis close to one end of the center bearing bracket It holds, the right sun gear shaft other end is connected with the taper roll bearing for being installed on right lateral carrier.
7. the inside and outside double-deck planetary conical cone gear mechanism differential mechanism as described in claim 1, which is characterized in that the center bearing bracket Shape it is rectangular, the side of the center bearing bracket is equipped with T font ribs.
8. the inside and outside double-deck planetary conical cone gear mechanism differential mechanism as described in claim 1, which is characterized in that the left lateral star circle The quantity of stud wheel and the right lateral star roller gear is integer more than or equal to 2, the left lateral star roller gear and described It is uniformly distributed centered on right lateral star roller gear.
9. the inside and outside double-deck planetary conical cone gear mechanism differential mechanism as described in claim 1, which is characterized in that the left output half Axis and the right output axle shaft carry out peripheral surface sealing by felt.
CN201810356403.8A 2018-04-19 2018-04-19 Differential mechanism with inner-outer double-layer planetary bevel gear mechanism Expired - Fee Related CN108413003B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810356403.8A CN108413003B (en) 2018-04-19 2018-04-19 Differential mechanism with inner-outer double-layer planetary bevel gear mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810356403.8A CN108413003B (en) 2018-04-19 2018-04-19 Differential mechanism with inner-outer double-layer planetary bevel gear mechanism

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CN108413003A true CN108413003A (en) 2018-08-17
CN108413003B CN108413003B (en) 2020-10-09

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108644343A (en) * 2018-06-19 2018-10-12 张金星 One kind dividing torsion differential mechanism
CN109538746A (en) * 2019-02-16 2019-03-29 平阳县泰星传动机械有限公司 A kind of double-output speed reducer
CN112049915A (en) * 2019-06-05 2020-12-08 哈尔滨工业大学 Multi-shaft differential device
CN113978243A (en) * 2021-11-11 2022-01-28 北京吉利学院 Multifunctional drive axle of car
US20230035884A1 (en) * 2020-01-14 2023-02-02 The Gleason Works Double differential reducer ultra-high reduction transmission

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WO2022154320A1 (en) * 2021-01-14 2022-07-21 장순길 Planetary gear device

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CN106555851A (en) * 2015-09-25 2017-04-05 比亚迪股份有限公司 Differential mechanism, power drive system and vehicle
CN107477163A (en) * 2017-09-27 2017-12-15 彭国洪 Overcome imperfect three differential mechanism of institute
CN208804191U (en) * 2018-04-19 2019-04-30 广东机电职业技术学院 The double-deck planetary conical cone gear mechanism differential mechanism inside and outside one kind

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GB240451A (en) * 1924-09-23 1926-07-29 Oesterreichische Waffenfabriks Driving mechanism for driving wheels, which are mounted on swinging axles
JP2001141030A (en) * 1999-11-15 2001-05-25 Tadanobu Muto Differential gear
CN204704336U (en) * 2015-05-21 2015-10-14 郭从刚 A kind of planetary gear set formula stepless speed variator
CN106555851A (en) * 2015-09-25 2017-04-05 比亚迪股份有限公司 Differential mechanism, power drive system and vehicle
CN107477163A (en) * 2017-09-27 2017-12-15 彭国洪 Overcome imperfect three differential mechanism of institute
CN208804191U (en) * 2018-04-19 2019-04-30 广东机电职业技术学院 The double-deck planetary conical cone gear mechanism differential mechanism inside and outside one kind

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108644343A (en) * 2018-06-19 2018-10-12 张金星 One kind dividing torsion differential mechanism
CN109538746A (en) * 2019-02-16 2019-03-29 平阳县泰星传动机械有限公司 A kind of double-output speed reducer
CN112049915A (en) * 2019-06-05 2020-12-08 哈尔滨工业大学 Multi-shaft differential device
CN112049915B (en) * 2019-06-05 2022-04-22 哈尔滨工业大学 Multi-shaft differential device
US20230035884A1 (en) * 2020-01-14 2023-02-02 The Gleason Works Double differential reducer ultra-high reduction transmission
US11821492B2 (en) * 2020-01-14 2023-11-21 The Gleason Works Double differential reducer ultra-high reduction transmission
CN113978243A (en) * 2021-11-11 2022-01-28 北京吉利学院 Multifunctional drive axle of car

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