CN104165214B - A kind of double dynamical synthesizer - Google Patents

A kind of double dynamical synthesizer Download PDF

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Publication number
CN104165214B
CN104165214B CN201410412637.1A CN201410412637A CN104165214B CN 104165214 B CN104165214 B CN 104165214B CN 201410412637 A CN201410412637 A CN 201410412637A CN 104165214 B CN104165214 B CN 104165214B
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CN
China
Prior art keywords
gear
input shaft
bearing
planet carrier
housing
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Expired - Fee Related
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CN201410412637.1A
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Chinese (zh)
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CN104165214A (en
Inventor
麻常选
吴速
于佩民
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Individual
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Priority to CN201410412637.1A priority Critical patent/CN104165214B/en
Publication of CN104165214A publication Critical patent/CN104165214A/en
Priority to PCT/CN2014/093237 priority patent/WO2016026241A1/en
Application granted granted Critical
Publication of CN104165214B publication Critical patent/CN104165214B/en
Expired - Fee Related legal-status Critical Current
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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
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • 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

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

Abstract

The present invention relates to a kind of double dynamical synthesizer.It includes housing, what is be parallel to each other in the housing is provided with the first input shaft, second input shaft and power output shaft, first input shaft, second input shaft and power output shaft pass through the first bearing of input shaft respectively, second bearing of input shaft and power take-off lever bearing are fixed on the housing, first input shaft is provided with the first input shaft gear, second input shaft is provided with the second input shaft gear, planetary gear speed-changing system is set with the power output shaft, the planetary gear speed-changing system includes gear ring gear, first input shaft gear is meshed with the gear ring gear, second input shaft gear is meshed with the planet carrier gear, first input shaft, at least one end of second input shaft and power output shaft is stretched out outside the housing, for being connected with outer power or outer load.The advantage is that can be synthesized to two on a power output shaft in the input power changed at random.

Description

A kind of double dynamical synthesizer
Technical field
The present invention relates to mechanical power transmission technical field, more particularly to a kind of double dynamical synthesizer.
Background technology
In many power-driven systems simultaneously, it is desirable to have two mechanical input shafts are acted on or complementation, and system is common With an output shaft.Such as driven by power and the engine driving compensation device of automobile, the motor driving of electric assisted bicycle and Foot drive device, using complementary drive system of wind-powered machine energy and motor mechanical energy etc., these are referred to as double Dynamical system.Existing hybrid power system, has generally comprised two power input shafts and speed change gear and power output shaft, existing The attachment structure for having technology is to be connected two power input shafts with the speed change gear by clutch respectively, by controlling system System clutch and the connection for switching two input shafts and speed change gear.And operated simultaneously when there are two input shafts, and rotating speed is not Then it is difficult that control makes two power complementary and effectively utilized, more during the situation that synchronous or each power input shaft rotating speed changes at random It is difficult on the mechanical energy random synthesis of two input shafts to power output shaft.Because from the point of view of machine driving, two are moved When power axle acts on same output shaft simultaneously, the low side of rotating speed can turn into the resistance of the high side of rotating speed, not only can not be by two Individual power superposition is used, but also system may be caused harm, and in order to avoid this harm, ratchet is usually used on the driving shaft Structure, but ratchet structure can not make two motive torque synthesis.How by two random variable machine power axle speeds or Torque synthesis output, does not produce influence mutually again between them, does not influence transmission efficiency, and do not produce reaction to output shaft Influence, still without more satisfactory technical scheme.
The content of the invention
There is provided a kind of new double dynamical synthesizer for above-mentioned the deficiencies in the prior art by the present invention.
The technical scheme that the present invention solves above-mentioned technical problem is as follows:A kind of double dynamical synthesizer, including housing, its feature It is, what is be parallel to each other in the housing is provided with the first input shaft, the second input shaft and power output shaft, first input Axle, the second input shaft and power output shaft pass through the first bearing of input shaft, the second bearing of input shaft and power output shaft axle respectively Hold it is fixed first input shaft is provided with the first input shaft gear on the housing, second input shaft is provided with the Planetary gear speed-changing system is set with two input shaft gears, the power output shaft, the planetary gear speed-changing system includes Gear ring, planet carrier, sun gear and planetary gear, the sun gear are fixed on the power output shaft, and the gear ring passes through tooth Enclose bearing to fix on the housing, fixed outside the gear ring provided with gear ring gear, the planet carrier by planet carrier bearing On the housing, planet carrier gear is provided with outside the planet carrier, the planet carrier is provided with and is meshed with the sun gear Planetary gear, the planetary gear is also meshed with the gear ring;
First input shaft gear is meshed with the gear ring gear, second input shaft gear and the planet carrier Gear is meshed, and at least one end of first input shaft, the second input shaft and power output shaft is stretched out outside the housing, is used for It is connected with outer power or outer load.
The beneficial effects of the invention are as follows:The present invention can not only be realized not compared with ordinary gear transmission is such as differential design With the synthesis of speed, while the synthesis of torque can also be realized.It is of the invention to be using planetary gear speed-changing system outstanding feature: It can carry out power dividing during transmission power, meanwhile, major advantage is as follows:
1. machine volume is small, lightweight, compact conformation, large carrying capacity;Due to dividing in Planetary Gear Transmission with power Stream and each sun gear constitute the transmission of coaxial wire type and reasonably use internal gear Meshing Pair, therefore, can make its structure very It is compact;Load is shared due to being uniformly dispersed with several planetary gears around sun gear again, so that so that each gear is born Load it is less, and allow these gears use less modulus;In addition, taking full advantage of internal messing large carrying capacity in structure With ring gear in itself can volume product, so as to be conducive to reducing its contour dimension, and with larger bearing capacity.
2. transmission efficiency;Due to the symmetry of planetary gear construction so that act in sun gear and planetary gear Reaction force can be balanced mutually, so as to improve transmission efficiency;Select proper in actuation types, in the case of reasonable structural arrangement, Its transmission efficiency can reach 96%-98%.
3. gearratio is larger, it is possible to achieve the synthesis and decomposition of motion, as long as the class of appropriate selection Planetary Gear Transmission Type and with tooth scheme, just can obtain very big gearratio with a few gear, in the case where there is very big gearratio, Still can be compact with holding structure, small volume, the small advantage of quality;Moreover, it can also realize the synthesis of motion and decompose and real The compound movement of existing various speed changes.
4. the present invention operates steadily, the ability of shock resistance and vibration is strong;Due to using several structure identical planetary gears, Uniformly it is distributed in around sun gear, so as to so that sun gear and planetary inertia force are mutually balanced;Meanwhile, also make The number of teeth for participating in engagement increases, thus it is planetary operate steadily, the ability of shock resistance and vibration is strong, works relatively reliable.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, first bearing of input shaft and the second bearing of input shaft are arranged in pairs, wherein per centering at least one Individual is unilateral bearing.
Beneficial effect using above-mentioned further scheme is can to avoid working as in two input shafts wherein using unilateral bearing One when running out of steam, the axle reverse transfer that will not output power to the outer power device.It it also avoid on outer power device Separately set band-type brake or one-way transmission mechanism.
Further, the housing is included in support floor, first bearing of input shaft and the second bearing of input shaft respectively There is a bearing on the support floor, the gear ring bearing is also on the support floor.
Beneficial effect using above-mentioned further scheme is, sets support floor and by one end of the first and second input shafts It is supported on the support floor, it is shorter located at wheelbase on housing than by each spring bearing, so that transmission performance is ensure that, big When torque is synthesized, each axle can have preferably rigidity.Because support floor effect also causes more compact structure of the present invention, it is not necessary to Because axle is oversize and the overstriking diameter of axle.
Further, the planet carrier bearing is fixed on the housing by planet carrier shaft bearing sleeve.
Beneficial effect using above-mentioned further scheme is using planet carrier shaft bearing sleeve planet carrier support can be made more steady Gu, it is easy to bear larger driving torque.
Further, the outer end of the gear ring is additionally provided with thrust bearing, and the thrust bearing is fixed on by thrust axis bearing sleeve On housing.
Beneficial effect using above-mentioned further scheme is, due to the power coupling between gear ring and planet carrier, can be dynamic Outside axial thrust is produced on power output shaft, therefore uses thrust bearing can guarantee that axle is not altered in long-term motion.
Further, the gear ring and planet carrier are reducing cylinder barrel shaped, and the outer diameter of the gear ring and planet carrier is small In inner diameter.
Beneficial effect using above-mentioned further scheme is that the coupling of planetary gear and gear ring had both been can guarantee that using reducing gear ring Space is closed, the fixed support to gear ring and planet carrier is can guarantee that again, installing space is reduced.
Brief description of the drawings
Fig. 1 is principle schematic diagram of the invention;
Vertical section structural representations of the Fig. 2 for the present invention along power output shaft;
In Fig. 1 to Fig. 2,1, housing;2nd, the first input shaft;3rd, the first bearing of input shaft;4th, the first input shaft gear;6、 Second bearing of input shaft;7th, floor is supported;8th, the second input shaft;9th, the second input shaft gear;11st, power output shaft;12nd, export Axle bearing;13rd, bearing holder (housing, cover);14th, thrust bearing;15th, gear ring gear;16th, gear ring bearing;17th, gear ring;18th, planetary gear;19、 Planet carrier;20th, sun gear;21st, planet carrier gear;22nd, planet carrier bearing;23rd, planet carrier shaft bearing sleeve.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and It is non-to be used to limit the scope of the present invention.
As shown in Fig. 1 to Fig. 2, a kind of double dynamical synthesizer, what it included being parallel to each other in housing 1, the housing 1 is provided with First input shaft 2, the second input shaft 8 and power output shaft 11, first input shaft 2, the second input shaft 8 and power output shaft 11 are fixed on the housing 1 by the first bearing of input shaft 3, the second bearing of input shaft 6 and power take-off lever bearing 12 respectively, First input shaft 2 is provided with the first input shaft gear 4, and second input shaft 8 is provided with the second input shaft gear 9, institute State and planetary gear speed-changing system is set with power output shaft 11, the planetary gear speed-changing system includes gear ring 17, planet carrier 19th, sun gear 20 and planetary gear 18, the sun gear 20 are fixed on the power output shaft 11, and the gear ring 17 passes through tooth Circle bearing 16 is fixed on the housing 1, and the outside of gear ring 17 passes through planet carrier provided with gear ring gear 15, the planet carrier 19 Bearing 22 is fixed on the housing 1, and the outside of the planet carrier 19 is provided with planet carrier gear 21, the planet carrier 19 be provided with The planetary gear 18 that the sun gear 20 is meshed, the planetary gear 18 is also meshed with the gear ring 17;
First input shaft gear 4 is meshed with the gear ring gear 15, second input shaft gear 9 and the row Carrier gear 21 is meshed, and at least one end of first input shaft 2, the second input shaft 8 and power output shaft 11 stretches out described Outside housing 1, for being connected with outer power or outer load.
The bearing of input shaft 6 of first bearing of input shaft 3 and second is arranged in pairs, wherein at least one is list per centering To bearing.
The housing 1 includes having one respectively in support floor 7, the bearing of input shaft 6 of the first bearing of input shaft 3 and second Individual bearing is on the support floor 7, and the gear ring bearing 16 is also on the support floor 7.
The planet carrier bearing 22 is fixed on the housing 1 by planet carrier shaft bearing sleeve 23.
The outer end of the gear ring 17 is additionally provided with thrust bearing 14, and the thrust bearing 14 is fixed on by thrust axis bearing sleeve 13 On housing 1.
The gear ring 17 and planet carrier 19 are reducing cylinder barrel shaped, and the outer diameter of the gear ring 17 and planet carrier 19 is small In inner diameter.
Vertical section structural representations of the Fig. 2 for the present invention along power output shaft.Wherein express in Fig. 1 along power output The cross-section structure of the vertical direction of axle.Visible in figure, bearing rib 7 is by the stable fixation of gear ring 17, and planet carrier bearing 22 is fixed One end of planet carrier, the other end of planet carrier is then supported in the gear ring 17 by planetary gear 18.Wherein in gear ring External diameter is held to be much larger than the rear end external diameter of gear ring, gear ring 17 has longer minor diameter rear end, so that it is supported on by firm In the housing 1;Similarly the rear end diameter of planet carrier is smaller is easy to fixed carrier gear 21, while being easy to support fixed planet Frame;It has been thusly-formed the double dynamical synthesizer of a compact conformation.
In order to further reach compact conformation, the first input shaft 2 and the second input shaft 8 the staggered floor cloth above and below in housing 1 Put.
The operation principle of the present invention is as follows:
When the first input shaft 3 and the second input shaft 8 are acted on simultaneously, the first input shaft 3 passes through the band of the first input shaft gear 4 Dynamic gear ring gear 15 is rotated, while drive gear ring 17 to rotate, the ring gear then by itself of gear ring 17 and planetary engagement Sun gear 20 is transferred power to, and then drives power output shaft 11 to rotate;Second input shaft 8 passes through the second input shaft gear 9 Drive planet carrier gear 21 to rotate, planet carrier 19 then accelerates planetary rotation, so by the power of the second input shaft with The power of first input shaft is superimposed on the power output shaft 11, that is, has synthesized power or torque.
When one of them in two input shafts runs out of steam, because the resistance of unilateral bearing transfers to use, make gear ring 17 or row The stop motion of carrier 19, and the power of another input shaft is all delivered on power output shaft 11;
When one or both of which is in chance mechanism state in two input shafts, the dynamic of another can not be influenceed Power is transmitted;In addition, if appropriate detecting system is equipped with, can also be by lifting another when one of power is reduced Input power with keep export power it is constant.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (3)

1. a kind of double dynamical synthesizer, including housing (1), it is characterised in that what is be parallel to each other in the housing (1) is provided with first Input shaft (2), the second input shaft (8) and power output shaft (11), first input shaft (2), the second input shaft (8) and power Output shaft (11) is fixed by the first bearing of input shaft (3), the second bearing of input shaft (6) and power take-off lever bearing (12) respectively On the housing, first input shaft (2) is provided with the first input shaft gear (4), and second input shaft (8) is provided with Planetary gear speed-changing system, the planetary gear speed-changing are set with second input shaft gear (9), the power output shaft (11) System includes gear ring (17), planet carrier (19), sun gear (20) and planetary gear (18), and the sun gear (20) is fixed on described On power output shaft (11), the gear ring (17) is fixed on the housing (1) by gear ring bearing (16), the gear ring (17) Outside is fixed on the housing (1) provided with gear ring gear (15), the planet carrier (19) by planet carrier bearing (22), described Planet carrier gear (21) is provided with outside planet carrier (19), the planet carrier (19) is provided with what is be meshed with the sun gear (20) Planetary gear (18), the planetary gear (18) is also meshed with the gear ring (17);
The housing includes respectively having in support floor (7), first bearing of input shaft (3) and the second bearing of input shaft (6) One bearing is on the support floor (7), and the gear ring bearing (16) is also on the support floor (7);
The planet carrier bearing (22) is fixed on the housing (1) by planet carrier shaft bearing sleeve (23);
First input shaft gear (4) is meshed with the gear ring gear (15), second input shaft gear (9) with it is described Planet carrier gear (21) is meshed, first input shaft (2), at least the one of the second input shaft (8) and power output shaft (11) End is stretched out outside the housing, for being connected with outer power or outer load;
The gear ring (17) and planet carrier (19) are reducing cylinder barrel shaped, and the outer end of the gear ring (17) and planet carrier (19) is straight Footpath is less than inner diameter;
The gear ring gear (15) is fixed on outside the minor diameter of the gear ring (17);The planet carrier gear (21) is fixed on institute Outside the end diameter for stating planet carrier (19).
2. double dynamical synthesizer according to claim 1, it is characterised in that first bearing of input shaft (3) and second Bearing of input shaft (6) is arranged in pairs, wherein at least one is unilateral bearing per centering.
3. double dynamical synthesizer according to claim 2, it is characterised in that the outer end of the gear ring (17) is additionally provided with thrust Bearing (14), the thrust bearing (14) is fixed on housing (1) by thrust axis bearing sleeve (13).
CN201410412637.1A 2014-08-20 2014-08-20 A kind of double dynamical synthesizer Expired - Fee Related CN104165214B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201410412637.1A CN104165214B (en) 2014-08-20 2014-08-20 A kind of double dynamical synthesizer
PCT/CN2014/093237 WO2016026241A1 (en) 2014-08-20 2014-12-08 Double-power synthesizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410412637.1A CN104165214B (en) 2014-08-20 2014-08-20 A kind of double dynamical synthesizer

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CN104165214A CN104165214A (en) 2014-11-26
CN104165214B true CN104165214B (en) 2017-07-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016026241A1 (en) * 2014-08-20 2016-02-25 吴速 Double-power synthesizer
WO2019153146A1 (en) * 2018-02-07 2019-08-15 深圳市万维博新能源技术有限公司 New-energy at transmission
CN108488334A (en) * 2018-05-30 2018-09-04 唐山百盛机械设备有限公司 A kind of double dynamical zero passage speed changer

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CN2042133U (en) * 1988-06-18 1989-08-02 郑中男 Power composing device
JPH11210861A (en) * 1998-01-26 1999-08-03 Ryuji Kashima Transmission area changing method for continuously variable transmission
DE10250439A1 (en) * 2002-10-30 2004-05-19 Deere & Company, Moline Power split bevel gear
CN101398007B (en) * 2008-11-07 2011-05-11 华北电力大学 Energy-saving speed regulation method and device for high power fluid machinery
CN201293075Y (en) * 2008-11-10 2009-08-19 华北电力大学 Stepless governor of differential gear train
CN204025587U (en) * 2014-08-20 2014-12-17 吴速 A kind of double dynamical synthesizer

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