CN106515405A - Power assembly housing and automobile - Google Patents

Power assembly housing and automobile Download PDF

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Publication number
CN106515405A
CN106515405A CN201710014322.5A CN201710014322A CN106515405A CN 106515405 A CN106515405 A CN 106515405A CN 201710014322 A CN201710014322 A CN 201710014322A CN 106515405 A CN106515405 A CN 106515405A
Authority
CN
China
Prior art keywords
location hole
housing
cap
power assembly
decelerator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710014322.5A
Other languages
Chinese (zh)
Other versions
CN106515405B (en
Inventor
赵春艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Electric Vehicle Co Ltd
Original Assignee
Beijing Electric Vehicle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Electric Vehicle Co Ltd filed Critical Beijing Electric Vehicle Co Ltd
Priority to CN201710014322.5A priority Critical patent/CN106515405B/en
Publication of CN106515405A publication Critical patent/CN106515405A/en
Application granted granted Critical
Publication of CN106515405B publication Critical patent/CN106515405B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00Arrangement in connection with cooling of propulsion units
    • B60K11/02Arrangement in connection with cooling of propulsion units with liquid cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K2001/003Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/006Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors

Abstract

The invention provides a power assembly housing and an automobile. The power assembly housing comprises an integrated housing, a speed reducer end cover and a motor end cover, wherein the integrated housing comprises a first mounting space and a second mounting space, the first mounting space and the second mounting space are separated by a connecting structure, and a first positioning hole is formed in the connecting structure; the speed reducer end cover is fixedly connected with a first end of the integrated housing, and a second positioning hole is formed in the speed reducer end cover; and the motor end cover is fixedly connected with a second end of the integrated housing, and a third positioning hole is formed in the motor end cover. By integrating original two housings into the integrated housing, an original spline transition connection structure between a motor and a speed reducer is reduced, and further the problems that the positioning accuracy is low due to spline gaps and the NVH performance of the complete vehicle is low are solved; and a connection structure of a spigot is reduced, so that the positioning accuracy during the assembling of power assemblies is increased.

Description

A kind of power assembly housing and automobile
Technical field
The present invention relates to power assembly construction applications, especially a kind of power assembly housing and automobile.
Background technology
Lightweight structure is more strong for the demand of electric automobile, integrated power assembly structure have structure optimization, Lightweight structure plurality of advantages, with global development trend.The exploitation of power assembly structure, the design of integrated shell structure are opened Send out and technique realizes thering is very important meaning in whole integrated exploitation.
In prior art, after motor and decelerator are separately mounted in each self-corresponding housing, then integral installation is carried out Match somebody with somebody, two housings have meant that two next door attachment structures, are unfavorable for light-weight design, meanwhile, the positioning effect in assembling It is really poor, for the car load NVH poor-performings that assembling is completed.
The content of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of power assembly housing and automobile, to realize power The positioning precision of the light-weight design and raising assembly of assembly shell.
For solve above-mentioned technical problem, power assembly housing provided in an embodiment of the present invention, including:
Integrated housing, including for installing first installing space and use of the decelerator of motor reducer all-in-one to be fixed In the second installing space of the motor for installing motor reducer all-in-one to be fixed, and first installing space is in the first direction Length be more than second installing space length in the first direction;First installing space and second installing space Mutually separated by an attachment structure, the attachment structure is provided with the shaft for motor reducer all-in-one to be fixed and passes through The first location hole;
The decelerator end cap being fixedly connected with the first end of the integrated housing, it is fixed that the decelerator end cap is provided with second Position hole;
The electric motor end cap being fixedly connected with the second end of the integrated housing, the first end are relative with second end, The electric motor end cap is provided with the 3rd location hole, first location hole, second location hole and the 3rd location hole Axle center is located along the same line, and by the 3rd location hole, the one shaft portion of motor reducer all-in-one to be fixed exposes Outside the electric motor end cap.
Preferably, the integrated housing includes first annular housing and the second ring being sheathed on the first annular housing Shape housing, the first annular housing side wall relative with second toroidal shell are provided with helicla flute, the helicla flute In be embedded with cooling water channel.
Preferably, interference fit is adopted between the first annular housing and second toroidal shell.
Preferably, on the first annular housing side wall relative with second toroidal shell, positioned at the helicla flute Side be provided with first annular groove, and the first annular groove is disposed in proximity to the side of the electric motor end cap, first ring The first sealing ring is embedded with shape groove.
Preferably, the second toroidal shell outer wall be provided with least one first suspension mount points and respectively with it is described The water inlet and outlet of cooling water channel connection.
Preferably, the attachment structure is provided with for fixing the 4th of the jackshaft of motor reducer all-in-one to be fixed Location hole, the integrated housing are provided with for fixing the 5th positioning of the output shaft of the decelerator of decelerator all-in-one to be fixed Hole;
The decelerator end cap is provided with the 6th location hole, the 7th location hole and passage, the 4th location hole and institute State the 6th location hole relative, the 5th location hole is relative with the 7th location hole;It is by the 7th location hole, described to treat The output shaft part of fixed motor reducer all-in-one is exposed to outside the decelerator end cap.
Preferably, the first positioning bearing is provided with first location hole and fits what is arranged with the described first positioning bearing Second sealing ring, the first positioning bearing are arranged at the side relative with the decelerator end cap.
Preferably, multiple annular grooves are interval with the side wall of first location hole, and the annular groove is arranged In second sealing ring away from the described first side for positioning bearing.
Preferably, second location hole, the 3rd location hole, the 4th location hole, the 5th location hole, institute State in the 6th location hole and the 7th location hole and be equipped with the second positioning bearing.
Preferably, the power assembly housing also includes:The gland being oppositely arranged with first location hole, the gland It is provided with the through hole passed through for the shaft of the motor reducer all-in-one to be fixed;The attachment structure and the decelerator The relative side end face of end cap is provided with screwed hole, and by the screwed hole, the gland is fixedly connected with the attachment structure.
Preferably, triple line installing hole and the second suspension mount point, the electric motor end cap are additionally provided with the electric motor end cap The second cannelure is provided with, second cannelure is arranged on the end face relative with the integrated housing, and described second is annular The 3rd sealing ring is embedded with groove.
Preferably, it is with bolts between the electric motor end cap and the integrated housing, the decelerator end cap and institute State with bolts between integrated housing.
Preferably, the integrated housing is provided with alignment pin, and the decelerator end cap is provided with the alignment pin and is engaged Dowel hole.
Preferably, state electric motor end cap and be provided with the recessed seam of positioning, the integrated housing is provided with and the recessed seam of the positioning The positioning male half coupling being engaged.
According to a further aspect in the invention, the embodiment of the present invention additionally provides a kind of automobile, including motor reducer one Machine, and above-mentioned power assembly housing.
Compared with prior art, power assembly housing provided in an embodiment of the present invention, at least has the advantages that:
By original two housing integrated settings are become an integrated housing, original motor and deceleration are reduced Spline transition connecting structure between device, and then avoid that positioning precision that spline gaps bring is poor and car load NVH performances Poor problem;The attachment structure of a seam is reduced simultaneously, improves the positioning precision when power assembly is assembled.
Description of the drawings
Fig. 1 is the structural representation of the power assembly housing described in the embodiment of the present invention;
Fig. 2 is the structural representation of the integrated housing described in the embodiment of the present invention;
Fig. 3 is the structural representation that first annular housing and the second toroidal shell described in the embodiment of the present invention coordinate;
Fig. 4 is the structural representation of the decelerator end cap described in the embodiment of the present invention;
Fig. 5 is the structural representation of the electric motor end cap described in the embodiment of the present invention.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool Body embodiment is described in detail.In the following description, there is provided such as specifically the specific detail of configuration and component is only In order to help comprehensive understanding embodiments of the invention.Therefore, it will be apparent to those skilled in the art that can be to reality described herein Apply example to make various changes and modifications without deviating from scope and spirit of the present invention.In addition, for clarity and brevity, it is right to eliminate The description of known function and construction.
Referring to figs. 1 to shown in Fig. 5, embodiments providing a kind of power assembly housing, integrated housing 1, including using In the first installing space 11 of the decelerator for installing motor reducer all-in-one to be fixed and for installing decelerating through motor to be fixed Second installing space 12 of the motor of device all-in-one, and the length in the first direction of first installing space 11 is more than described the Two installing spaces 12 length in the first direction;First installing space 11 is connected by one with second installing space 12 Structure 13 is mutually separated, and the attachment structure 13 is provided with first passed through for the shaft of motor reducer all-in-one to be fixed Location hole 131;
The decelerator end cap 2 being fixedly connected with the first end of the integrated housing 1, the decelerator end cap 2 are provided with Two location holes 21;
The electric motor end cap 3 being fixedly connected with the second end of the integrated housing 1, the first end and second end phase Right, the electric motor end cap 3 is provided with the 3rd location hole 31, first location hole 131, second location hole 21 and described The axle center of three location holes 31 is located along the same line, by the 3rd location hole 31, motor reducer all-in-one to be fixed One shaft portion is exposed to outside the electric motor end cap 3.
In the embodiment of the present invention, original two housing integrated settings are become into an integrated housing 1, is reduced original Motor and decelerator between spline transition connecting structure, and then avoid positioning precision that spline gaps bring it is poor and The problem of car load NVH poor-performings;The attachment structure 13 of a seam is reduced simultaneously, is improve when the power assembly is assembled Positioning precision.
The first end of the shaft of motor reducer all-in-one to be fixed is fixed in the second location hole 21, the shaft Second end sequentially passes through first location hole 131 and 31 rear portion of the 3rd location hole is exceptionally exposed to outside electric motor end cap 3, and then realizes electricity Transmission between machine decelerator all-in-one and miscellaneous part.
Decelerator end cap 2 is arranged on 11 side of the first installing space, for integrated housing 1 is remote in the first installing space 11 Opening from the side of attachment structure 13 is closed;Electric motor end cap 3 is arranged on 12 side of the second installing space, for will be integrated Housing 1 is closed away from the opening of the side of attachment structure 13 in the second installing space 12.
With reference to Fig. 3, in the embodiment of the present invention, the integrated housing 1 includes first annular housing 14 and is sheathed on described the The second toroidal shell 15 on one toroidal shell 14, the first annular housing 14 are relative with second toroidal shell 15 Side wall is provided with helicla flute, and cooling water channel 16 is embedded with the helicla flute.
First annular housing 14, the second toroidal shell 15 are enclosed with attachment structure 13 and set to form the second above-mentioned installing space 12.The first annular housing 14 and the second toroidal shell 15 are hollow cylindrical structure, and first annular housing 14 and second is annular The first end of housing 15 is connected with attachment structure 13, and the second end of first annular housing 14 and the second toroidal shell 15 is provided with One opening, this first is open for realizing the connection of electric motor end cap 3.
In the embodiment of the present invention, cooling water channel 16 is spiral helicine structure, serves the effect of increasing heat radiation area.First Toroidal shell 14 and the second toroidal shell 15 have been easy to the installation to cooling water channel 16 and dismounting by the way of separate design, When mounted, first cooling water channel 16 is installed in the helicla flute on first annular housing 14, cooling water channel 16 is being installed After the completion of, then first annular housing 14 is installed with the second toroidal shell 15.
In the embodiment of the present invention, matched somebody with somebody using interference between the first annular housing 14 and second toroidal shell 15 Close.
The external diameter of first annular housing 14 is slightly larger than the internal diameter of the second toroidal shell 15, adopts in this way, Neng Goushi Existing being fastenedly connected between first annular housing 14 and the second toroidal shell 15, when mounted, by first by the way of press-fiting Toroidal shell 14 press-fits in the second toroidal shell 15.
With reference to Fig. 3, in the embodiment of the present invention, the first annular housing 14 side relative with second toroidal shell 15 First annular groove is provided with wall, positioned at the spiral fluted side, and the first annular groove is disposed in proximity to the motor side The side of lid 3, is embedded with the first sealing ring 17 in the first annular groove.
First sealing ring 17 is shaped as ring-type, is brought into close contact with first annular housing 14 and the second toroidal shell 15, By the setting of the first sealing ring 17, cooling water channel 16 can be avoided from entering into when there is leak in first annular housing 14 Portion, causes motor work actual effect.
And further, in the embodiment of the present invention, 15 outer wall of the second toroidal shell is provided with least one first and hangs Put mount point and the water inlet for connecting with the cooling water channel 16 respectively and outlet.
Coolant is entered into inside cooling water channel 16 by the water inlet, is outwards arranged by outlet after being circulated cooling Go out.
With reference to Fig. 1 and Fig. 4, the attachment structure 13 is provided with for fixing the centre of motor reducer all-in-one to be fixed 4th location hole 132 of axle, the integrated housing 1 are provided with for fixing the output of the decelerator of decelerator all-in-one to be fixed 5th location hole 18 of axle;
The decelerator end cap 2 is provided with the 6th location hole 22, the 7th location hole 23 and passage 24, the 4th positioning Hole 132 is relative with the 6th location hole 22, and the 5th location hole 18 is relative with the 7th location hole 23;By described Seven location holes 23, the output shaft part of the motor reducer all-in-one to be fixed are exposed to outside the decelerator end cap 2.
Be all provided with the side wall of second location hole 21, the 6th location hole 22 and the 7th location hole 23 it is fluted, groove It is disposed to realize the drain to lubricating oil.
With reference to Fig. 2, in the embodiment of the present invention, be provided with first location hole 131 first positioning bearing 133 and with it is described The second sealing ring 134 that the first positioning laminating of bearing 133 is arranged, the first positioning bearing 133 are arranged at and the decelerator The relative side of end cap 2;Multiple annular grooves 1311, and the annular are interval with the side wall of first location hole 131 Groove 1311 is arranged at side of second sealing ring 134 away from the described first positioning bearing 133.
In order to the lubricating oil for preventing decelerator end enters into motor side by the first location hole 131, in the first location hole 131 In the second sealing ring 134 is installed.After motor reducer all-in-one is installed in the housing, the second sealing ring 134 and electricity The shaft of machine decelerator all-in-one is brought into close contact, and then avoids lubricating oil from entering into motor side, meanwhile, in the first location hole The multiple annular grooves 1311 arranged on 131 side wall, can realize a small amount of oil-collecting effect, preferably avoid lubricating oil from entering To motor side.
And further, in the embodiment of the present invention, second location hole 21, the 3rd location hole 31, the described 4th The second positioning is equipped with location hole 132, the 5th location hole 18, the 6th location hole 22 and the 7th location hole 23 Bearing.
The jackshaft and output shaft that are disposed to reduce motor reducer all-in-one to be fixed of the second positioning bearing turns Friction during dynamic.
With reference to Fig. 2, in the embodiment of the present invention, the power assembly housing also includes:It is relative with first location hole 131 The gland of setting, the gland are provided with the through hole passed through for the shaft of the motor reducer all-in-one to be fixed;It is described The side end face relative with the decelerator end cap 2 of attachment structure 13 is provided with screwed hole 135, by the screwed hole 135, institute State gland to be fixedly connected with the attachment structure 13.
Diameter of the diameter of the through hole arranged on gland less than the first positioning bearing 133, also, bearing is positioned first 133 when being installed in the first location hole 131, and the axle center of the through hole is located along the same line with the axle center of the first positioning bearing 133. By the setting of gland, ensure that the first positioning bearing 133 has suitable clearance.
Second positioning bearing can also be locked using above-mentioned gland structure.
And further, in the embodiment of the present invention, three-phase line mounting structure and second is additionally provided with the electric motor end cap 3 and is hanged Mount point is put, the electric motor end cap 3 is provided with the second cannelure, and second cannelure is arranged at and 1 phase of the integrated housing To end face on, be embedded with the 3rd sealing ring 32 in second cannelure.
The mode being bolted between the three-phase line mounting structure and electric motor end cap 3 is realized fixing, and the triple line is pacified Assembling structure is formed as a cavity body structure, and high pressure triple line is by three Kong Yu electricity on the side wall through the three-phase line mounting structure Machine connects.Also, triple line arranges sealing helicitic texture into the next door of rosette.By high pressure triple line is fast with low pressure It is separately positioned between degree encoder, it is to avoid the appearance of electromagnetic interference, disclosure satisfy that the seal request of IP67.
Being disposed to of second cannelure is easy to the installation of the 3rd sealing ring 32, by the peace of the 3rd sealing ring 32 Dress, further can stop that 16 leak of cooling water channel enters enclosure interior on the basis of the first sealing ring 17.
And further, in the embodiment of the present invention, connected using bolt between the electric motor end cap 3 and the integrated housing 1 Connect, it is with bolts between the decelerator end cap 2 and the integrated housing 1.
Multiple installing holes are equipped with electric motor end cap 3, integrated housing 1 and decelerator end cap 2, the side being bolted Formula has been easy to the installation and dismounting of device.
And further, in the embodiment of the present invention, the integrated housing 1 is provided with alignment pin, on the decelerator end cap 2 It is provided with the dowel hole that the alignment pin is engaged.
When being installed, first by the cooperation between the alignment pin and dowel hole, realize to decelerator end cap 2 Being accurately positioned for position, is being locked by bolt after being positioned.Dowel hole is two, is separately positioned on decelerator end cap 2 On relative position.
And further, in the embodiment of the present invention, the electric motor end cap 3 is provided with the recessed seam of positioning, the integrated housing 1 It is provided with the positioning male half coupling being engaged with the recessed seam of the positioning.
Positioned by way of seam positioning between decelerator end cap 2 and integrated housing 1.
In the embodiment of the present invention, it is also possible to position to being arranged to alignment pin between decelerator end cap 2 and integrated housing 1 Mode.Positioned by way of seam positioning between electric motor end cap 3 and integrated housing 1.
Stream group optimization design is carried out by the inwall to integrated housing 1, reduction resistance has been reached, improve radiating effect and Improve the effect of lubrication.The setting of electric motor end cap 3, is integrated with dust-proof and sealing effect so that motor can reach IP67 marks Accurate requirement.
By model analyses and intensity analysiss are carried out to power assembly housing provided in an embodiment of the present invention, the present invention is implemented The first-order modal of the power assembly housing of example reaches 1300HZ, and tensile strength is less than 120MPa so that entirely power assembly is strong Degree, rigidity and NVH performances all obtain larger raising.Also, the overall weight of the power assembly housing of the present invention reduces 10%.
By power assembly housing provided in an embodiment of the present invention, the lightweight requirements of power assembly housing are disclosure satisfy that, Simultaneously as being integrated housing integrally disposed, assembly precision is improve.
According to a further aspect in the invention, the embodiment of the present invention additionally provides a kind of automobile, including motor reducer one Machine, and above-mentioned power assembly housing.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications Should be regarded as protection scope of the present invention.

Claims (15)

1. a kind of power assembly housing, it is characterised in that include:
Integrated housing (1), including for installing first installing space (11) of the decelerator of motor reducer all-in-one to be fixed With for installing second installing space (12) of the motor of motor reducer all-in-one to be fixed, and first installing space (11) length in the first direction is more than second installing space (12) length in the first direction;First installing space (11) mutually separated by an attachment structure (13) with second installing space (12), the attachment structure (13) is provided with confession The first location hole (131) that the shaft of motor reducer all-in-one to be fixed is passed through;
The decelerator end cap (2) being fixedly connected with the first end of the integrated housing (1), the decelerator end cap (2) are provided with Second location hole (21);
The electric motor end cap (3) being fixedly connected with the second end of the integrated housing (1), the first end and second end phase Right, the electric motor end cap (3) is provided with the 3rd location hole (31), first location hole (131), second location hole (21) It is located along the same line with the axle center of the 3rd location hole (31), by the 3rd location hole (31), motor to be fixed subtracts The one shaft portion of fast device all-in-one exposes to the electric motor end cap (3) outward.
2. power assembly housing according to claim 1, it is characterised in that the integrated housing (1) is including first annular Housing (14) and the second toroidal shell (15) being sheathed on the first annular housing (14), the first annular housing (14) The side wall relative with second toroidal shell (15) is provided with helicla flute, is embedded with cooling water channel in the helicla flute (16)。
3. power assembly housing according to claim 2, it is characterised in that the first annular housing (14) and described Interference fit is adopted between second ring housing (15).
4. power assembly housing according to claim 2, it is characterised in that the first annular housing (14) and described First annular groove is provided with the relative side wall of second ring housing (15), positioned at the spiral fluted side, and it is described first annular Groove is disposed in proximity to the side of the electric motor end cap (3), the first sealing ring (17) is embedded with the first annular groove.
5. power assembly housing according to claim 2, it is characterised in that set on the second toroidal shell (15) outer wall There are at least one first suspension mount points and the water inlet for connecting with the cooling water channel (16) respectively and outlet.
6. power assembly housing according to claim 1, it is characterised in that the attachment structure (13) is provided with for solid 4th location hole (132) of the jackshaft of fixed motor reducer all-in-one to be fixed, the integrated housing (1) are provided with for solid 5th location hole (18) of the output shaft of the decelerator of fixed decelerator all-in-one to be fixed;
The decelerator end cap (2) is provided with the 6th location hole (22), the 7th location hole (23) and passage (24), and the described 4th Location hole (132) is relative with the 6th location hole (22), the 5th location hole (18) and the 7th location hole (23) phase It is right;By the 7th location hole (23), the output shaft part of the motor reducer all-in-one to be fixed exposes to described subtracting Fast device end cap (2) is outward.
7. power assembly housing according to claim 1, it is characterised in that the is provided with first location hole (131) One positioning bearing (133) and the second sealing ring (134) for arranging of fitting with the described first positioning bearing (133), described first is fixed Position bearing (133) is arranged at the side relative with the decelerator end cap (2).
8. power assembly housing according to claim 7, it is characterised in that on the side wall of first location hole (131) Be interval with multiple annular grooves (1311), and the annular groove (1311) be arranged at second sealing ring (134) away from The side of first positioning bearing (133).
9. power assembly housing according to claim 6, it is characterised in that second location hole (21), the described 3rd Location hole (31), the 4th location hole (132), the 5th location hole (18), the 6th location hole (22) and described The second positioning bearing is equipped with seven location holes (23).
10. power assembly housing according to claim 7, it is characterised in that the power assembly housing also includes:With institute The gland that the first location hole (131) is oppositely arranged is stated, the gland is provided with for the motor reducer all-in-one to be fixed The through hole that shaft passes through;The attachment structure (13) side end face relative with the decelerator end cap (2) is provided with screw thread Hole (135), by the screwed hole (135), the gland is fixedly connected with the attachment structure (13).
11. power assembly housings according to claim 6, it is characterised in that be additionally provided with three-phase on the electric motor end cap (3) Line installing hole and the second suspension mount point, the electric motor end cap (3) are provided with the second cannelure, and second cannelure is arranged at On the end face relative with the integrated housing (1), the 3rd sealing ring (32) in second cannelure, is embedded with.
12. power assembly housings according to claim 1, it is characterised in that the electric motor end cap (3) and the collection shelling It is with bolts between body (1), it is with bolts between the decelerator end cap (2) and the integrated housing (1).
13. power assembly housings according to claim 1, it is characterised in that the integrated housing (1) is provided with positioning Pin, the decelerator end cap (2) are provided with the dowel hole that the alignment pin is engaged.
14. power assembly housings according to claim 1, it is characterised in that it is recessed that the electric motor end cap (3) is provided with positioning Seam, the integrated housing (1) are provided with the positioning male half coupling being engaged with the recessed seam of the positioning.
A kind of 15. automobiles, including motor reducer all-in-one, it is characterised in that the automobile also include the claims 1 to Power assembly housing described in 14 any one.
CN201710014322.5A 2017-01-05 2017-01-05 Power assembly casing and car Active CN106515405B (en)

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CN106515405B CN106515405B (en) 2019-12-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108183589A (en) * 2018-02-02 2018-06-19 株洲齿轮有限责任公司 Drive system housing production technology
CN108539897A (en) * 2018-04-28 2018-09-14 合肥巨动力系统有限公司 A kind of motor and retarder integral housing and its casting and welding method
WO2019154163A1 (en) * 2018-02-12 2019-08-15 比亚迪股份有限公司 Power assembly and vehicle provided with same

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