CN103475152B - With the coaxial motor of one-level speed change - Google Patents
With the coaxial motor of one-level speed change Download PDFInfo
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- CN103475152B CN103475152B CN201310431688.4A CN201310431688A CN103475152B CN 103475152 B CN103475152 B CN 103475152B CN 201310431688 A CN201310431688 A CN 201310431688A CN 103475152 B CN103475152 B CN 103475152B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention discloses a kind of coaxial motor with one-level speed change, comprise motor sub-unit, transmission mechanism and gear, the armature spindle that described motor sub-unit comprises electric machine casing, the back end cover for motor being arranged on described electric machine casing two ends respectively and motor front end cover and is movably arranged on described back end cover for motor and motor front end cover, described armature spindle is hollow structure; Described transmission mechanism comprises the input gear being fixedly mounted on described armature spindle front end and the first countershaft-gear be movably arranged on described motor front end cover; Described gear comprises first stud gear, and described first stud gear is movably arranged on the end of described armature spindle front end; Described input gear is in transmission connection by described first countershaft-gear and described first stud gear.Dynamic equilibrium of the present invention is good, compact conformation, be convenient to car load chassis arrange and chassis takes up room little, be applicable to vehicle.
Description
Technical field
The present invention relates to a kind of motor for vehicle, particularly relate to a kind of coaxial motor with one-level speed change.
Background technology
Along with the fast development of society, people get more and more to the functional requirement of motor vehicle, and usage space requires greatly more next, and performance requirement is also more and more higher.At present, the drive form of general motor vehicle is mainly divided into two kinds:
One drives transmission case by motor, then drive raise to carry out walking operation by transmission case by power transmission shaft connection, and this drive form exists chassis and takes up room greatly, is unfavorable for the problem that power cell of vehicle is arranged; Meanwhile, relatively also reduce the duty ratio of electrokinetic cell, thus motor vehicle course continuation mileage shortened, directly cause the economy of motor vehicle decline and environment for use limited;
Another kind is by motor direct connection transmission case, then drives raise to carry out walking operation by transmission case connection, and because motor and transmission case are all arranged on Driving axle housing by this drive form, so its structural attachment points is many, install suspension complexity, process costs is high; And, because vehicle makes to pitch in traveling, so motor and transmission case can swing up and down around drive axle, thus cause the balance of car load poor.
Because above-mentioned two kinds of drive forms all have problems, so need the driving assembly developed a kind of energy two ends and coaxially export badly, and the primary difficulty developing the driving assembly that this energy two ends coaxially export to develop a kind of coaxial motor with speed changing function.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, the coaxial motor of a kind of structure simply with one-level speed change is provided.
In order to realize above object, a kind of coaxial motor with one-level speed change provided by the invention, comprise motor sub-unit, transmission mechanism and gear, the armature spindle that described motor sub-unit comprises electric machine casing, the back end cover for motor being arranged on described electric machine casing two ends respectively and motor front end cover and is movably arranged on described back end cover for motor and motor front end cover, described armature spindle is hollow structure; Described transmission mechanism comprises the input gear being fixedly mounted on described armature spindle front end and the first countershaft-gear be movably arranged on described motor front end cover; Described gear comprises first stud gear, and described first stud gear is movably arranged on the end of described armature spindle front end; Described input gear is in transmission connection by described first countershaft-gear and described first stud gear.By being hollow structure by armature spindle, the power of described like this motor sub-unit can export from described rotor axial one end on the one hand, can also export to the other end with power transmission shaft in described armature spindle on the other hand, and two power exported on the same axis, Power output is more steady; , transmission mechanism and gear are integrated on described motor front end cover, more compact structure meanwhile, thus reduce the volume of whole driving assembly.
In such scheme, described first stud gear is inside and outside duplex-gear structure, one end of described first stud gear is movably arranged on the end of described armature spindle front end, and described input gear is in transmission connection by the ring gear of described first countershaft-gear and described first stud gear.
In such scheme, one end of described first stud gear is arranged on the end of described armature spindle front end by coaxial positioning bearing.
In such scheme, one side of described coaxial positioning bearing and the end face of described input gear offset, the another side of described coaxial positioning bearing is provided with spacer and back-up ring, and described back-up ring location and installation is in the axis hole of described first stud gear, and described spacer is arranged on the side of described back-up ring.
In such scheme, described first countershaft-gear is at least one.
In such scheme, described first countershaft-gear is duplex-gear structure, and one end of described first countershaft-gear is often engaged with described input gear, and the other end of described first countershaft-gear often engages with described first stud gear.
In such scheme, what described back end cover for motor and motor front end cover inside and outside joint face is separately respectively equipped with built-in static seal assembly attaches together seam.
In such scheme, the junction of described armature spindle and described back end cover for motor and motor front end cover is respectively equipped with rotating seal component.
The present invention is by being hollow structure by armature spindle, the power of described like this motor sub-unit can export from described rotor axial one end on the one hand, can also export to the other end with power transmission shaft in described armature spindle on the other hand, and two power exported on the same axis, Power output is more steady; , transmission mechanism and gear are integrated on described motor front end cover, more compact structure meanwhile, thus reduce the volume of whole driving assembly.
The present invention is compared with the prior art, and fully its superiority of display is: dynamic equilibrium is good, compact conformation, and the chassis being convenient to car load is arranged and chassis takes up room little etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation driving assembly;
Fig. 3 is a kind of assembly structure schematic diagram of the present invention;
Fig. 4 is another kind of assembly structure schematic diagram of the present invention.
In figure: motor sub-unit 1, electric machine casing 1a, armature spindle 1b, back end cover for motor 1c, motor front end cover 1d, attach together seam 1e, rotating seal component 1f, torque-converters sub-unit 2, converter cover 2a, gear 2b, first stud gear 2b1, second countershaft-gear 2b2, second stud gear 2b3, coaxial positioning bearing 2b4, differential mechanism is with axle suspension bearing 2b5, spacer 2b6, back-up ring 2b7, torque-converters end cap 2c, differential mechanism sub-unit 3, transmission mechanism 4, input gear 4a, first countershaft-gear 4b, coaxial transmission axle 5, drive sleeve 5a, outreach axle housing 6, outreach seam 6a, central siphon 7, outreach brake wheel hub sub-unit 8, semiaxis 8a, outreach transmission protecting crust 9, outreach brake wheel hub sub-unit 10, constant-velocity transmission shaft 10a, suspension according assembly 11.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
Present embodiments provide a kind of coaxial motor with one-level speed change, comprise motor sub-unit 1, transmission mechanism 4 and gear 2b, the armature spindle 1b that described motor sub-unit 1 comprises electric machine casing 1a, the back end cover for motor 1c being arranged on described electric machine casing 1a two ends respectively and motor front end cover 1d and is movably arranged on described back end cover for motor 1c and motor front end cover 1d, described armature spindle 1b is hollow structure; Described transmission mechanism 4 comprises the input gear 4a being fixedly mounted on described armature spindle 1b front end and the first countershaft-gear 4b be movably arranged on described motor front end cover 1d; Described gear 2b comprises first stud gear 2b1, and described first stud gear 2b1 is movably arranged on the end of described armature spindle 1b front end; Described input gear 4a is in transmission connection by described first countershaft-gear 4b and described first stud gear 2b1.By being hollow structure by armature spindle 1b, the power of described like this motor sub-unit 1 can export from described armature spindle 1b to one end on the one hand, can also export to the other end with power transmission shaft in described armature spindle 1b on the other hand, and two power exported on the same axis, Power output is more steady; , transmission mechanism 4 and gear 2b are integrated on described motor front end cover 1d, more compact structure meanwhile, thus the volume reducing whole driving assembly.
Certainly, described gear 2b also can be two stage speed change structure, three-step gear shift structure etc.
Above-mentioned first stud gear 2b1 is inside and outside duplex-gear structure, one end of described first stud gear 2b1 is movably arranged on the end of described armature spindle 1b front end, and described input gear 4a is in transmission connection by the ring gear of described first countershaft-gear 4b and described first stud gear 2b1.One end of described first stud gear 2b1 is arranged on the end of described armature spindle 1b front end by coaxial positioning bearing 2b4.
One side of above-mentioned coaxial positioning bearing 2b4 and the end face of described input gear 4a offset, the another side of described coaxial positioning bearing 2b4 is provided with spacer 2b6 and back-up ring 2b7, described back-up ring 2b7 location and installation is in the axis hole of described first stud gear 2b1, and described spacer 2b6 is arranged on the side of described back-up ring 2b7.
Above-mentioned first countershaft-gear 4b is at least one.Described first countershaft-gear 4b is duplex-gear structure, and one end of described first countershaft-gear 4b is often engaged with described input gear 4a, and the other end of described first countershaft-gear 4b often engages with described first stud gear 2b1.
What above-mentioned back end cover for motor 1c and motor front end cover 1d inside and outside joint face is separately respectively equipped with built-in static seal assembly attaches together seam 1e.The junction of described armature spindle 1b and described back end cover for motor 1c and motor front end cover 1d is respectively equipped with rotating seal component 1f.
The driving assembly that this coaxial motor need coordinate miscellaneous part (as differential mechanism sub-unit 3 etc.) composition energy two ends coaxially to export, this driving assembly concrete structure is as follows:
Comprise motor sub-unit 1, torque-converters sub-unit 2 and differential mechanism sub-unit 3, the armature spindle 1b that described motor sub-unit 1 comprises electric machine casing 1a, the back end cover for motor 1c being arranged on described electric machine casing 1a two ends respectively and motor front end cover 1d and is movably arranged on described back end cover for motor 1c and motor front end cover 1d, described armature spindle 1b is hollow structure, described torque-converters sub-unit 2 comprises converter cover 2a, be arranged on the gear 2b in described converter cover 2a and the torque-converters end cap 2c being arranged on described converter cover 2a front end, described converter cover 2a rear end is arranged on described motor front end cover 1d, described differential mechanism sub-unit 3 is arranged in described converter cover 2a, described armature spindle 1b front end is in transmission connection by the input of transmission mechanism 4 with described gear 2b, the output of described gear 2b is fixed on the housing of described differential mechanism sub-unit 3, the output B end of described differential mechanism sub-unit 3 is arranged on described torque-converters end cap 2c, the output A of described differential mechanism sub-unit 3 holds and exports B and holds with described armature spindle 1b coaxially arranged.By armature spindle 1b, the power of motor sub-unit 1 is transferred on described differential mechanism sub-unit 3 after gear 2b variable-speed torque-converting, the power be transferred on described differential mechanism sub-unit 3 is held from the output B of described differential mechanism sub-unit 3 on the one hand and is directly exported, hold from the output A of described differential mechanism sub-unit 3 on the other hand and export, and the power transmission shaft be connected can be held to be exported the rear end of power from motor sub-unit 1 with the output A of described differential mechanism sub-unit 3 in the armature spindle 1b installation of described hollow structure, because the output A of described differential mechanism sub-unit 3 holds with described armature spindle 1b coaxially arranged, so hold the power exported and the power exported from the rear end of motor sub-unit 1 to be also coaxial from the output B of described differential mechanism sub-unit 3, thus achieve the two ends of the power of motor sub-unit 1 from this assembly are coaxially exported, balance is good, and because described gear 2b and differential mechanism sub-unit 3 are integrated in described converter cover 2a, and be arranged on described motor front end cover 1d, so compact conformation, chassis takes up room little.
Particularly, described transmission mechanism 4 comprises the input gear 4a being fixedly mounted on described armature spindle 1b front end and the first countershaft-gear 4b be movably arranged on described motor front end cover 1d, described gear 2b comprises first stud gear 2b1, be movably arranged on the second countershaft-gear 2b2 on described converter cover 2a and second stud gear 2b3, particularly, described second countershaft-gear 2b2 passes through cylindrical positioning pins location and installation on described converter cover 2a, described first stud gear 2b1 is inside and outside duplex-gear structure, described second stud gear 2b3 is internal tooth disk-shaped structure, one end of described first stud gear 2b1 is movably arranged on the end of described armature spindle 1b front end, the output A that the other end of described first stud gear 2b1 is movably arranged on described differential mechanism sub-unit 3 holds, the dish side part of described second stud gear 2b3 is fixedly mounted on by Luo Shuan on the housing of described differential mechanism sub-unit 3, described differential mechanism sub-unit 3 is arranged in described converter cover 2a by described second stud gear 2b3 and torque-converters end cap 2c, described input gear 4a is in transmission connection by the ring gear of described first countershaft-gear 4b and described first stud gear 2b1, and the external toothing of described first stud gear 2b1 is in transmission connection by described second countershaft-gear 2b2 and described second stud gear 2b3.Certainly, described gear 2b also can be one-level gear or three-stage speed change mechanism etc., and concrete variable-speed torque-converting progression can design according to actual needs.
More specifically, one end of described first stud gear 2b1 is arranged on the end of described armature spindle 1b front end by coaxial positioning bearing 2b4, the end face of described coaxial positioning bearing 2b4 and described input gear 4a offsets, and the other end of described first stud gear 2b1 is arranged on the output A end of described differential mechanism sub-unit 3 with axle suspension bearing 2b5 by differential mechanism.Like this, the axis hole of described first stud gear 2b1 serves the effect of the output A end of locating described differential mechanism sub-unit 3, ensure that the output A of described differential mechanism sub-unit 3 holds the axiality with described armature spindle 1b.
Further, described coaxial positioning bearing 2b4 and differential mechanism are provided with spacer 2b6 and back-up ring 2b7 with between axle suspension bearing 2b5, described back-up ring 2b7 location and installation is in the axis hole of described first stud gear 2b1, and described spacer 2b6 is arranged on the side of described back-up ring 2b7.Described spacer 2b6 and back-up ring 2b7 play a part location described coaxial positioning bearing 2b4 and differential mechanism with axle suspension bearing 2b5.Certainly, the detent mechanism of other structures can also be adopted.
Certainly, described first countershaft-gear 4b is at least one, and described second countershaft-gear 2b2 is at least one.The factor designs such as the stationarity that the quantity of described first countershaft-gear 4b and the second countershaft-gear 2b2 can be transmitted according to the moment size of transmission, speed height and power.
Further, described first countershaft-gear 4b is duplex-gear structure, and one end of described first countershaft-gear 4b is often engaged with described input gear 4a, and the other end of described first countershaft-gear 4b often engages with the ring gear of described first stud gear 2b1.By adopting the first countershaft-gear 4b of duplex-gear structure to improve speed reducing ratio, thus improve bending moment speed changing effect.Certainly, described first countershaft-gear 4b also can be monodentate structure, and accordingly, described second countershaft-gear 2b also can be duplex-gear structure.
Again further, coaxially arranged coaxial transmission axle 5 is provided with in described armature spindle 1b, in described coaxial transmission axle 5 one end is held by the output A that spline is inserted into described differential mechanism sub-unit 3, described coaxial transmission axle 5 other end to be movably arranged on described back end cover for motor 1c and to stretch out.By adding coaxially arranged coaxial transmission axle 5 in the armature spindle 1b of described hollow structure, the power achieved the output A of described differential mechanism sub-unit 3 holds exports from the rear end of described motor sub-unit 1, thus the power of motor sub-unit 1 is coaxially exported from the two ends of this assembly, balance is good and draw without the need to adding the power that the output A of described differential mechanism sub-unit 3 holds by power transmission shaft in addition.For reducing the electromagnetic field of described motor sub-unit 1 to the impact of described coaxial transmission axle 5 high speed rotation, magnetic permeable material can be adopted to manufacture described coaxial transmission axle 5.
Particularly, the elongated end of described coaxial transmission axle 5 is equipped with drive sleeve 5a by spline housing, and described drive sleeve 5a is movably arranged on described back end cover for motor 1c.Like this, power directly outwards can be transmitted by described drive sleeve 5a, without the need to adding extra power take-off mechanism.
Finally, what described back end cover for motor 1c, motor front end cover 1d and torque-converters end cap 2c inside and outside joint face are separately respectively equipped with built-in static seal assembly attaches together seam 1e.Certainly, also other hermetically-sealed constructions can be adopted.The junction of described armature spindle 1b and described back end cover for motor 1c and motor front end cover 1d is respectively equipped with rotating seal component 1f.Certainly, also other black boies can be adopted.
The power of motor sub-unit 1 is transferred on described differential mechanism sub-unit 3 by armature spindle 1b by above-mentioned driving assembly after gear 2b variable-speed torque-converting, the power be transferred on described differential mechanism sub-unit 3 is held from the output B of described differential mechanism sub-unit 3 on the one hand and is exported, hold from the output A of described differential mechanism sub-unit 3 on the other hand and export, and the power transmission shaft be connected can be held to be exported the rear end of power from motor with the output A of described differential mechanism sub-unit 3 in the armature spindle 1b installation of described hollow structure, because the output A of described differential mechanism sub-unit 3 holds with described armature spindle 1b coaxially arranged, so hold the power exported and the power exported from the rear end of motor to be also coaxial from the output B of described differential mechanism sub-unit 3, thus achieve the two ends of the power of motor sub-unit 1 from this assembly are coaxially exported, balance is good, meanwhile, because described gear 2b and differential mechanism sub-unit 3 are integrated in described converter cover 2a, and be arranged on described motor front end cover 1d, so compact conformation, chassis takes up room little, and the axis hole of described first stud gear 2b1 serves the effect of the output A end of locating described differential mechanism sub-unit 3, ensure that the output A of described differential mechanism sub-unit 3 holds the axiality with described armature spindle 1b, meanwhile, the quantity of described first countershaft-gear 4b and the second countershaft-gear 2b2 is respectively three and is along the circumferential direction evenly arranged, and such transmission of power is more steady, finally, by adding coaxially arranged coaxial transmission axle 5 in the armature spindle 1b of described hollow structure, the power achieved the output A of described differential mechanism sub-unit 3 holds exports from the rear end of described motor sub-unit 1, thus the power of motor sub-unit 1 is coaxially exported from the two ends of this assembly, balance is good and draw without the need to adding the power that the output A of described differential mechanism sub-unit 3 holds by power transmission shaft in addition.
The course of work of above-mentioned driving assembly is as follows:
First, the power of described motor sub-unit 1 is delivered to described first countershaft-gear 4b from described armature spindle 1b through input gear 4a; Then, power is delivered on described second countershaft-gear 2b2 by described first countershaft-gear 4b through described first stud gear 2b1 again; Then, power is delivered on described differential mechanism sub-unit 3 by described second countershaft-gear 2b2 through described second stud gear 2b3 again; Finally, power is held from the output B of described differential mechanism sub-unit 3 on the one hand and is directly exported, and exports on the other hand from the output A end of described differential mechanism sub-unit 3 through described coaxial transmission axle 5.
Described driving assembly needs again mating band to outreach brake wheel hub central siphon when reality uses with outreach the combining structure of axle housing or outreach brake wheel hub form drive axle together with the combining structure of constant-velocity transmission shaft.The central siphon that described band outreaches brake wheel hub is as follows with the concrete structure of the combining structure outreaching brake wheel hub and constant-velocity transmission shaft with the combining structure outreaching axle housing:
The central siphon that above-mentioned band outreaches brake wheel hub comprises with the combining structure outreaching axle housing and outreaches axle housing 6, central siphon 7 outreaches brake wheel hub sub-unit 8 with band semiaxis 8a's, the diameter of described central siphon 7 closes with the connectivity port diameter compatible outreaching brake wheel hub sub-unit 8 of band semiaxis 8a, described central siphon 7 one end is fixedly connected with the described brake wheel hub sub-unit 8 that outreaches, described central siphon 7 other end is fixedly connected with described one end outreaching axle housing 6, described axle housing 6 other end that outreaches is provided with and outreaches seam 6a for connection, described axle housing 6 other end that outreaches is arranged on described back end cover for motor 1c or/and on described torque-converters end cap 2c.
The above-mentioned axle housing 6 that outreaches is for horn-like structure, the little head end outreaching axle housing 6 of described horn-like structure welds with described central siphon 7, the stub end outreaching axle housing 6 of described horn-like structure with described back end cover for motor 1c or/and described torque-converters end cap 2c is connected, described in outreach the stub end outreaching axle housing 6 that seam 6a is arranged in described horn-like structure.
During concrete assembling, the central siphon first described band being outreached brake wheel hub is inserted in described drive sleeve 5a with the semiaxis 8a of the combining structure that outreaches axle housing, and then will outreach axle housing 6 by bolt and be arranged on described back end cover for motor 1c or/and on described torque-converters end cap 2c.
The above-mentioned combining structure outreaching brake wheel hub and constant-velocity transmission shaft comprises and outreaches transmission protecting crust 9 and be with that constant-velocity transmission shaft 10a's outreach brake wheel hub sub-unit 10, one end of transmission protecting crust 9 is outreached described in the described dust cover outreaching brake wheel hub sub-unit 10 connectivity port place is sleeved on, the described other end outreaching transmission protecting crust 9 is provided with and outreaches seam 6a for connection, described in outreach transmission protecting crust 9 the other end be arranged on described back end cover for motor 1c or/and on described torque-converters end cap 2c.
The above-mentioned transmission protecting crust 9 that outreaches is for horn-like structure, the little head end outreaching transmission protecting crust 9 of described horn-like structure is connected with the described brake wheel hub sub-unit 10 that outreaches, the stub end outreaching transmission protecting crust 9 of described horn-like structure with described back end cover for motor 1c or/and described torque-converters end cap 2c is connected, described in outreach the stub end outreaching transmission protecting crust 9 that seam 6a is arranged in described horn-like structure.
During concrete assembling, the central siphon first described band being outreached brake wheel hub is inserted in described drive sleeve 5a with the constant-velocity transmission shaft 10a of the combining structure that outreaches axle housing, and then will outreach axle housing 6 by bolt and be arranged on described back end cover for motor 1c or/and on described torque-converters end cap 2c.Certainly, outreaching brake wheel hub sub-unit 10 described in also needs suspension according assembly 11 to locate.
The present invention is by being hollow structure by armature spindle 1b, the power of described like this motor sub-unit 1 can export from described armature spindle 1b to one end on the one hand, can also export to the other end with power transmission shaft in described armature spindle 1b on the other hand, and two power exported on the same axis, Power output is more steady; , transmission mechanism 4 and gear 2b are integrated on described motor front end cover 1d, more compact structure meanwhile, thus the volume reducing whole driving assembly.Dynamic equilibrium of the present invention is good, compact conformation, be convenient to car load chassis arrange and chassis takes up room little.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the coaxial motor with one-level speed change, comprise motor sub-unit (1), transmission mechanism (4) and gear (2b), the armature spindle (1b) that described motor sub-unit (1) comprises electric machine casing (1a), be arranged on the back end cover for motor (1c) at described electric machine casing (1a) two ends and motor front end cover (1d) respectively and be movably arranged on described back end cover for motor (1c) and motor front end cover (1d), is characterized in that: described armature spindle (1b) is hollow structure; Described transmission mechanism (4) comprises the input gear (4a) being fixedly mounted on described armature spindle (1b) front end and the first countershaft-gear (4b) be movably arranged on described motor front end cover (1d); Described gear (2b) comprises first stud gear (2b1), and described first stud gear (2b1) is movably arranged on the end of described armature spindle (1b) front end; Described input gear (4a) is in transmission connection by described first countershaft-gear (4b) and described first stud gear (2b1); Described first stud gear (2b1) is inside and outside duplex-gear structure, one end of described first stud gear (2b1) is movably arranged on the end of described armature spindle (1b) front end, and described input gear (4a) is in transmission connection by the ring gear of described first countershaft-gear (4b) with described first stud gear (2b1); Described first countershaft-gear (4b) is duplex-gear structure, one end of described first countershaft-gear (4b) is often engaged with described input gear (4a), and the other end of described first countershaft-gear (4b) often engages with described first stud gear (2b1); Described first countershaft-gear (4b) is at least one.
2. the coaxial motor of band one-level speed change as claimed in claim 1, is characterized in that: one end of described first stud gear (2b1) is arranged on the end of described armature spindle (1b) front end by coaxial positioning bearing (2b4).
3. the coaxial motor of band one-level speed change as claimed in claim 2, it is characterized in that: a side of described coaxial positioning bearing (2b4) and the end face of described input gear (4a) offset, the another side of described coaxial positioning bearing (2b4) is provided with spacer (2b6) and back-up ring (2b7), described back-up ring (2b7) location and installation is in the axis hole of described first stud gear (2b1), and described spacer (2b6) is arranged on the side of described back-up ring (2b7).
4. the coaxial motor of band one-level speed change as claimed in claim 1, is characterized in that: what described back end cover for motor (1c) and the respective inside and outside joint face of motor front end cover (1d) are respectively equipped with built-in static seal assembly attaches together seam (1e).
5. the coaxial motor of band one-level speed change as claimed in claim 1, is characterized in that: described armature spindle (1b) is respectively equipped with rotating seal component (1f) with the junction of described back end cover for motor (1c) and motor front end cover (1d).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310431688.4A CN103475152B (en) | 2013-09-22 | 2013-09-22 | With the coaxial motor of one-level speed change |
| PCT/CN2014/086817 WO2015039610A1 (en) | 2013-09-22 | 2014-09-18 | Coaxial motor having one gear shift |
| US15/076,693 US10557525B2 (en) | 2013-09-22 | 2016-03-22 | Coaxial output motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310431688.4A CN103475152B (en) | 2013-09-22 | 2013-09-22 | With the coaxial motor of one-level speed change |
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| Publication Number | Publication Date |
|---|---|
| CN103475152A CN103475152A (en) | 2013-12-25 |
| CN103475152B true CN103475152B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310431688.4A Active CN103475152B (en) | 2013-09-22 | 2013-09-22 | With the coaxial motor of one-level speed change |
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| WO2015039610A1 (en) * | 2013-09-22 | 2015-03-26 | 格源动力有限公司 | Coaxial motor having one gear shift |
| CN106078307A (en) * | 2016-07-05 | 2016-11-09 | 广州市威嘉机床有限公司 | A kind of multiple unit head |
| CN106827961A (en) * | 2017-03-08 | 2017-06-13 | 保定中兴田野新能源汽车科技有限公司 | New pure electric automobile entirety rear axle |
| CN110406362A (en) * | 2018-04-28 | 2019-11-05 | 舍弗勒技术股份两合公司 | Electric car and its power assembly |
| CN109455074A (en) * | 2018-12-11 | 2019-03-12 | 北京宏瑞汽车科技股份有限公司 | A kind of integrated electric drive system |
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