CN106515405B - Power assembly casing and car - Google Patents
Power assembly casing and car Download PDFInfo
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- CN106515405B CN106515405B CN201710014322.5A CN201710014322A CN106515405B CN 106515405 B CN106515405 B CN 106515405B CN 201710014322 A CN201710014322 A CN 201710014322A CN 106515405 B CN106515405 B CN 106515405B
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- positioning
- end cover
- positioning hole
- motor
- integrated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a power assembly shell and an automobile, wherein the power assembly shell comprises: an integrated housing including a first installation space and a second installation space; the first installation space and the second installation 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 the first end of the integrated shell, and a second positioning hole is formed in the speed reducer end cover; and the motor end cover is fixedly connected with the second end of the integrated shell, and a third positioning hole is formed in the motor end cover. The original two shells are integrally arranged into an integrated shell, so that the spline transitional connection structure between the original motor and the reducer is reduced, and the problems of poor positioning accuracy and poor NVH performance of the whole automobile caused by spline clearance are further avoided; meanwhile, a connecting structure of a spigot is reduced, and the positioning precision during assembly of the power assembly is improved.
Description
Technical Field
The invention relates to the field of power assembly structures, in particular to a power assembly shell and an automobile.
background
the demand of lightweight structure to electric automobile is more strong, integrates the power assembly structure and has structural optimization, a great deal of advantage of lightweight structure, has global development trend. The development of the power assembly structure, the design development of the integrated shell structure and the process implementation have great significance in the whole integrated development.
Among the prior art, motor and reduction gear are installed respectively in the casing that corresponds separately after, carry out the unit mount again and match, and two casings just mean to have two next door connection structure, are unfavorable for the lightweight design, and simultaneously, the positioning effect when the assembly is relatively poor, and is relatively poor to the whole car NVH performance of assembly completion.
disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a power assembly shell and an automobile, which are used for realizing the light weight design of the power assembly shell and improving the positioning precision of an assembly.
In order to solve the above technical problem, an embodiment of the present invention provides a power assembly housing, including:
The integrated shell comprises a first installation space and a second installation space, wherein the first installation space is used for installing a speed reducer of the motor speed reducer all-in-one machine to be fixed, the second installation space is used for installing a motor of the motor speed reducer all-in-one machine to be fixed, and the length of the first installation space in the first direction is greater than the length of the second installation space in the first direction; the first installation space and the second installation space are separated by a connecting structure, and a first positioning hole for an integral shaft of the motor reducer all-in-one machine to be fixed to penetrate through is formed in the connecting structure;
The speed reducer end cover is fixedly connected with the first end of the integrated shell, and a second positioning hole is formed in the speed reducer end cover;
and the motor end cover is fixedly connected with the second end of the integrated shell, the first end is opposite to the second end, a third positioning hole is formed in the motor end cover, the axle centers of the first positioning hole, the second positioning hole and the third positioning hole are positioned on the same straight line, and the part of an integral shaft of the motor and speed reducer integrated machine to be fixed is exposed out of the motor end cover through the third positioning hole.
Preferably, integrated casing includes first annular casing and cover and locates second annular casing on the first annular casing, first annular casing with be equipped with the helicla flute on the relative lateral wall on the second annular casing, inlay in the helicla flute and be equipped with the cooling water course.
preferably, an interference fit is adopted between the first annular housing and the second annular housing.
Preferably, a first annular groove is formed in one side of the spiral groove on the side wall, opposite to the second annular shell, of the first annular shell, the first annular groove is formed in one side close to the motor end cover, and a first sealing ring is embedded in the first annular groove.
preferably, the outer wall of the second annular shell is provided with at least one first suspension mounting point, and a water inlet and a water outlet which are respectively communicated with the cooling water channel.
preferably, a fourth positioning hole for fixing a middle shaft of the motor reducer all-in-one machine to be fixed is formed in the connecting structure, and a fifth positioning hole for fixing an output shaft of the reducer of the motor reducer all-in-one machine to be fixed is formed in the integrated shell;
A sixth positioning hole, a seventh positioning hole and a vent hole are formed in the speed reducer end cover, the fourth positioning hole is opposite to the sixth positioning hole, and the fifth positioning hole is opposite to the seventh positioning hole; and through the seventh positioning hole, the output shaft part of the motor and speed reducer all-in-one machine to be fixed is exposed out of the speed reducer end cover.
preferably, be equipped with first location bearing in the first locating hole and with the second sealing washer of first location bearing laminating setting, first location bearing set up in with one side that the reduction gear end cover is relative.
Preferably, a plurality of annular grooves are arranged on the side wall of the first positioning hole at intervals, and the annular grooves are arranged on one side, far away from the first positioning bearing, of the second sealing ring.
Preferably, second positioning bearings are arranged in the second positioning hole, the third positioning hole, the fourth positioning hole, the fifth positioning hole, the sixth positioning hole and the seventh positioning hole.
Preferably, the powertrain housing further comprises: the gland is arranged opposite to the first positioning hole, and a through hole for the integrated shaft of the motor reducer integrated machine to be fixed to pass through is formed in the gland; and a threaded hole is formed in the end face of one side, opposite to the end cover of the speed reducer, of the connecting structure, and the gland is fixedly connected with the connecting structure through the threaded hole.
Preferably, still be equipped with three-phase line mounting hole and second suspension mounting point on the motor end cover, be equipped with the second ring channel on the motor end cover, the second ring channel set up in with integrated casing relative terminal surface, the embedded third sealing washer that is equipped with of second ring channel.
Preferably, the motor end cover is connected with the integrated shell through bolts, and the speed reducer end cover is connected with the integrated shell through bolts.
Preferably, the integrated shell is provided with a positioning pin, and the speed reducer end cover is provided with a positioning pin hole matched with the positioning pin.
Preferably, a positioning concave spigot is arranged on the motor end cover, and a positioning convex spigot matched with the positioning concave spigot is arranged on the integrated shell.
According to another aspect of the invention, the embodiment of the invention also provides an automobile which comprises the motor reducer all-in-one machine and the power assembly shell.
Compared with the prior art, the power assembly shell provided by the embodiment of the invention at least has the following beneficial effects:
The original two shells are integrally arranged into an integrated shell, so that the spline transitional connection structure between the original motor and the reducer is reduced, and the problems of poor positioning accuracy and poor NVH performance of the whole automobile caused by spline clearance are further avoided; meanwhile, a connecting structure of a spigot is reduced, and the positioning precision during assembly of the power assembly is improved.
Drawings
FIG. 1 is a schematic structural diagram of a powertrain housing according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an integrated housing according to an embodiment of the present invention;
FIG. 3 is a schematic view of a first annular housing and a second annular housing in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a reducer end cover according to an embodiment of the invention;
Fig. 5 is a schematic structural diagram of a motor end cover according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
Referring to fig. 1 to 5, an embodiment of the present invention provides a powertrain housing, which includes an integrated housing 1, including a first installation space 11 for installing a reducer of a motor reducer all-in-one machine to be fixed and a second installation space 12 for installing a motor of the motor reducer all-in-one machine to be fixed, and a length of the first installation space 11 in a first direction is greater than a length of the second installation space 12 in the first direction; the first installation space 11 and the second installation space 12 are separated by a connecting structure 13, and the connecting structure 13 is provided with a first positioning hole 131 for an integral shaft of the motor and speed reducer integrated machine to be fixed to pass through;
the speed reducer end cover 2 is fixedly connected with the first end of the integrated shell 1, and a second positioning hole 21 is formed in the speed reducer end cover 2;
And the motor end cover 3 is fixedly connected with the second end of the integrated shell 1, the first end is opposite to the second end, the motor end cover 3 is provided with a third positioning hole 31, the axle centers of the first positioning hole 131, the second positioning hole 21 and the third positioning hole 31 are positioned on the same straight line, and an integral shaft part of the motor and speed reducer integrated machine to be fixed is exposed out of the motor end cover 3 through the third positioning hole 31.
In the embodiment of the invention, the two original shells are integrally arranged into the integrated shell 1, so that the spline transitional connection structure between the original motor and the reducer is reduced, and the problems of poor positioning accuracy and poor NVH performance of the whole automobile caused by the spline clearance are further avoided; meanwhile, a spigot connecting structure 13 is reduced, and the positioning precision during assembly of the power assembly is improved.
The first end of the integrated shaft of the motor reducer all-in-one machine to be fixed is fixed in the second positioning hole 21, and the second end of the integrated shaft sequentially penetrates through the rear parts of the first positioning hole 131 and the third positioning hole 31 to be exposed out of the motor end cover 3, so that transmission between the motor reducer all-in-one machine and other parts is realized.
The reducer end cover 2 is arranged on one side of the first installation space 11 and is used for closing an opening of the integrated shell 1 on one side of the first installation space 11 far away from the connecting structure 13; the motor end cover 3 is disposed on the side of the second installation space 12, and is used for closing the opening of the integrated housing 1 on the side of the second installation space 12 away from the connecting structure 13.
Referring to fig. 3, in the embodiment of the present invention, the integrated housing 1 includes a first annular housing 14 and a second annular housing 15 sleeved on the first annular housing 14, wherein spiral grooves are formed on opposite side walls of the first annular housing 14 and the second annular housing 15, and cooling water channels 16 are embedded in the spiral grooves.
The first annular housing 14, the second annular housing 15 and the connecting structure 13 enclose the second installation space 12. The first annular housing 14 and the second annular housing 15 are hollow cylindrical structures, first ends of the first annular housing 14 and the second annular housing 15 are connected with the connecting structure 13, and second ends of the first annular housing 14 and the second annular housing 15 are provided with first openings used for realizing connection of the motor end cover 3.
In the embodiment of the present invention, the cooling water channel 16 has a spiral structure, which increases the heat dissipation area. The first annular shell 14 and the second annular shell 15 are designed in a separated mode, so that the cooling water channel 16 can be conveniently mounted and dismounted, when the cooling water channel 16 is mounted, the cooling water channel 16 is firstly mounted in the spiral groove on the first annular shell 14, and after the cooling water channel 16 is mounted, the first annular shell 14 and the second annular shell 15 are mounted.
in the embodiment of the present invention, the first annular housing 14 and the second annular housing 15 are in an interference fit.
The outer diameter of the first annular housing 14 is slightly larger than the inner diameter of the second annular housing 15, in such a way that a secure connection between the first annular housing 14 and the second annular housing 15 can be achieved, and the first annular housing 14 is press-fitted into the second annular housing 15 during installation.
referring to fig. 3, in the embodiment of the present invention, a first annular groove is formed on a side wall of the first annular housing 14 opposite to the second annular housing 15, the side wall being located on the spiral groove, and the first annular groove is arranged on a side close to the motor end cover 3, and a first sealing ring 17 is embedded in the first annular groove.
This first sealing washer 17's shape is cyclic annular, closely laminates with first annular casing 14 and second annular casing 15, and through first sealing washer 17's setting, can avoid cooling water course 16 to enter into inside first annular casing 14 when leaking appearing, leads to motor work to imitate effectively.
And further, in the embodiment of the present invention, at least one first suspension mounting point, and a water inlet and a water outlet respectively communicating with the cooling water channel 16 are provided on the outer wall of the second annular housing 15.
The cooling liquid enters the cooling water channel 16 through the water inlet, is circularly cooled and then is discharged outwards through the water outlet.
Referring to fig. 1 and 4, a fourth positioning hole 132 for fixing an intermediate shaft of the motor-reducer integrated machine to be fixed is formed in the connecting structure 13, and a fifth positioning hole 18 for fixing an output shaft of the reducer of the motor-reducer integrated machine to be fixed is formed in the integrated shell 1;
A sixth positioning hole 22, a seventh positioning hole 23 and a vent hole 24 are formed in the speed reducer end cover 2, the fourth positioning hole 132 is opposite to the sixth positioning hole 22, and the fifth positioning hole 18 is opposite to the seventh positioning hole 23; through the seventh positioning hole 23, the output shaft of the motor and speed reducer integrated machine to be fixed is partially exposed out of the speed reducer end cover 2.
Grooves are formed in the side walls of the second positioning hole 21, the sixth positioning hole 22 and the seventh positioning hole 23, and the grooves are arranged to guide lubricating oil.
Referring to fig. 2, in the embodiment of the present invention, a first positioning bearing 133 and a second sealing ring 134 attached to the first positioning bearing 133 are disposed in the first positioning hole 131, and the first positioning bearing 133 is disposed on a side opposite to the reducer end cover 2; a plurality of annular grooves 1311 are formed in the side wall of the first positioning hole 131 at intervals, and the annular grooves 1311 are disposed on one side of the second sealing ring 134 away from the first positioning bearing 133.
in order to prevent the lubricating oil at the reducer end from entering the motor side through the first positioning hole 131, a second seal 134 is installed in the first positioning hole 131. After installing motor reducer all-in-one in this casing, the second sealing washer 134 closely laminates with the integrative axle of motor reducer all-in-one, and then avoids lubricating oil to enter into the motor side, and simultaneously, a plurality of ring groove 1311 that set up on the lateral wall of first locating hole 131 can realize a small amount of oily effect of gathering, and better avoid lubricating oil to enter into the motor side.
Furthermore, in the embodiment of the present invention, second positioning bearings are disposed in the second positioning hole 21, the third positioning hole 31, the fourth positioning hole 132, the fifth positioning hole 18, the sixth positioning hole 22 and the seventh positioning hole 23.
the second positioning bearing is arranged to reduce friction in the rotating process of the intermediate shaft and the output shaft of the motor reducer all-in-one machine to be fixed.
Referring to fig. 2, in the embodiment of the present invention, the power assembly housing further includes: the gland is arranged opposite to the first positioning hole 131, and a through hole for the integrated shaft of the motor reducer integrated machine to be fixed to pass through is formed in the gland; a threaded hole 135 is formed in the end face of one side, opposite to the end cover 2 of the speed reducer, of the connecting structure 13, and the gland is fixedly connected with the connecting structure 13 through the threaded hole 135.
The press cover is provided with a through hole having a diameter smaller than that of the first positioning bearing 133, and when the first positioning bearing 133 is fitted into the first positioning hole 131, the axis of the through hole is aligned with the axis of the first positioning bearing 133. Through the arrangement of the gland, it can be ensured that the first positioning bearing 133 has a suitable play.
The second positioning bearing can also be locked by adopting the gland structure.
Furthermore, in the embodiment of the present invention, a three-phase line mounting structure and a second suspension mounting point are further disposed on the motor end cover 3, a second annular groove is disposed on the motor end cover 3, the second annular groove is disposed on an end surface opposite to the integrated housing 1, and a third sealing ring 32 is embedded in the second annular groove.
The three-phase line mounting structure is fixed with the motor end cover 3 in a bolt connection mode, the three-phase line mounting structure is formed into a cavity structure, and the high-voltage three-phase line is connected with the motor through three holes penetrating through the side wall of the three-phase line mounting structure. And a sealing thread structure is arranged on a partition wall of the three-phase line access junction box. Through setting up with separating between high pressure three-phase line and the low pressure speed encoder, avoided electromagnetic interference's appearance, can satisfy IP 67's sealed requirement.
The second annular groove is provided to facilitate installation of the third sealing ring 32, and by installing the third sealing ring 32, water leakage from the cooling water channel 16 into the interior of the housing can be further blocked on the basis of the first sealing ring 17.
Furthermore, in the embodiment of the present invention, the motor end cover 3 is connected to the integrated housing 1 by using bolts, and the reducer end cover 2 is connected to the integrated housing 1 by using bolts.
The motor end cover 3, the integrated shell 1 and the speed reducer end cover 2 are all provided with a plurality of mounting holes, and the device is convenient to mount and dismount in a bolt connection mode.
Furthermore, in the embodiment of the present invention, the integrated housing 1 is provided with a positioning pin, and the reducer end cover 2 is provided with a positioning pin hole matched with the positioning pin.
When the positioning pin is installed, the position of the end cover 2 of the speed reducer is accurately positioned through the matching between the positioning pin and the positioning pin hole, and the end cover is locked through a bolt after being positioned. The number of the positioning pin holes is two, and the two positioning pin holes are respectively arranged at opposite positions on the speed reducer end cover 2.
furthermore, in the embodiment of the present invention, a positioning concave seam allowance is disposed on the motor end cover 3, and a positioning convex seam allowance matched with the positioning concave seam allowance is disposed on the integrated shell 1.
The speed reducer end cover 2 and the integrated shell 1 are positioned in a spigot positioning mode.
in the embodiment of the present invention, a positioning pin may be provided between the speed reducer end cover 2 and the integrated housing 1 for positioning. The motor end cover 3 and the integrated shell 1 are positioned in a spigot positioning mode.
Through carrying out the flow set optimal design to the inner wall of integrated casing 1, reached and reduced the resistance, improved the radiating effect and improved lubricated effect. The motor end cover 3 integrates the dustproof and sealing effects, so that the motor can meet the requirements of IP67 standards.
by performing modal analysis and strength analysis on the power assembly shell provided by the embodiment of the invention, the first-order mode of the power assembly shell provided by the embodiment of the invention reaches 1300HZ, and the tensile strength is less than 120MPa, so that the strength, the rigidity and the NVH performance of the whole power assembly are greatly improved. Moreover, the overall weight of the powertrain housing of the present invention is reduced by 10%.
The power assembly shell provided by the embodiment of the invention can meet the light weight requirement of the power assembly shell, and meanwhile, the shell is integrated into a whole, so that the assembly precision is improved.
According to another aspect of the invention, the embodiment of the invention also provides an automobile which comprises the motor reducer all-in-one machine and the power assembly shell.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. a powertrain housing, comprising:
the integrated shell (1) comprises a first installation space (11) for installing a speed reducer of the motor speed reducer all-in-one machine to be fixed and a second installation space (12) for installing a motor of the motor speed reducer all-in-one machine to be fixed, wherein the length of the first installation space (11) in the first direction is greater than the length of the second installation space (12) in the first direction; the first installation space (11) and the second installation space (12) are separated through a connecting structure (13), and a first positioning hole (131) for a shaft of the motor and speed reducer integrated machine to be fixed to penetrate through is formed in the connecting structure (13);
The reducer end cover (2) is fixedly connected with the first end of the integrated shell (1), and a second positioning hole (21) is formed in the reducer end cover (2);
The motor end cover (3) is fixedly connected with the second end of the integrated shell (1), the first end is opposite to the second end, a third positioning hole (31) is formed in the motor end cover (3), the axle centers of the first positioning hole (131), the second positioning hole (21) and the third positioning hole (31) are located on the same straight line, and an integral shaft of the motor and speed reducer integrated machine to be fixed is exposed out of the motor end cover (3) through the third positioning hole (31);
the gland is arranged opposite to the first positioning hole (131), and a through hole for the integrated shaft of the motor reducer integrated machine to be fixed to pass through is formed in the gland; a threaded hole (135) is formed in the end face of one side, opposite to the end cover (2), of the connecting structure (13), and the gland is fixedly connected with the connecting structure (13) through the threaded hole (135);
The first positioning hole (131) is internally provided with a first positioning bearing (133) and a second sealing ring (134) which is attached to the first positioning bearing (133), the first positioning bearing (133) is arranged on one side opposite to the end cover (2) of the speed reducer, the diameter of a through hole formed in the gland is smaller than that of the first positioning bearing (133), and when the first positioning bearing (133) is installed in the first positioning hole (131), the axis of the through hole and the axis of the first positioning bearing (133) are positioned on the same straight line;
A plurality of annular grooves (1311) are formed in the side wall of the first positioning hole (131) at intervals, and the annular grooves (1311) are formed in one side, away from the first positioning bearing (133), of the second sealing ring (134);
The integrated shell (1) comprises a first annular shell (14) and a second annular shell (15) sleeved on the first annular shell (14), spiral grooves are formed in the opposite side walls of the first annular shell (14) and the second annular shell (15), and cooling water channels (16) are embedded in the spiral grooves;
still be equipped with three-phase line mounting hole and second suspension mounting point on motor end cover (3), be equipped with the second ring channel on motor end cover (3), the second ring channel set up in with integrated casing (1) is relative on the terminal surface, the embedded third sealing washer (32) that is equipped with of second ring channel.
2. The powertrain housing of claim 1, characterized in that an interference fit is employed between the first annular housing (14) and the second annular housing (15).
3. The drive assembly housing according to claim 1, characterized in that a first annular groove is provided on the side wall of the first annular housing (14) opposite to the second annular housing (15) on the side of the spiral groove and is provided on the side close to the motor end cover (3), and a first sealing ring (17) is embedded in the first annular groove.
4. The drive train housing according to claim 1, characterized in that the second annular housing (15) is provided on its outer wall with at least one first suspension mounting point and a water inlet and a water outlet communicating with the cooling water channel (16), respectively.
5. The powertrain shell according to claim 1, characterized in that the connecting structure (13) is provided with a fourth positioning hole (132) for fixing an intermediate shaft of the motor-reducer all-in-one machine to be fixed, and the integrated shell (1) is provided with a fifth positioning hole (18) for fixing an output shaft of the reducer all-in-one machine to be fixed;
A sixth positioning hole (22), a seventh positioning hole (23) and a vent hole (24) are formed in the speed reducer end cover (2), the fourth positioning hole (132) is opposite to the sixth positioning hole (22), and the fifth positioning hole (18) is opposite to the seventh positioning hole (23); and through the seventh positioning hole (23), the output shaft part of the motor and speed reducer integrated machine to be fixed is exposed out of the speed reducer end cover (2).
6. The powertrain housing of claim 5, wherein a second locating bearing is disposed within the second locating aperture (21), the third locating aperture (31), the fourth locating aperture (132), the fifth locating aperture (18), the sixth locating aperture (22) and the seventh locating aperture (23).
7. The drive assembly housing according to claim 1, characterized in that the motor end cover (3) is bolted to the integrated housing (1), and the reducer end cover (2) is bolted to the integrated housing (1).
8. The power assembly shell according to claim 1, wherein a positioning pin is arranged on the integrated shell (1), and a positioning pin hole matched with the positioning pin is arranged on the speed reducer end cover (2).
9. The power assembly shell as claimed in claim 1, wherein a positioning concave spigot is arranged on the motor end cover (3), and a positioning convex spigot matched with the positioning concave spigot is arranged on the integrated shell (1).
10. An automobile comprising a motor reducer all-in-one machine, characterized in that it further comprises a powertrain housing according to any one of the preceding claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014322.5A CN106515405B (en) | 2017-01-05 | 2017-01-05 | Power assembly casing and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014322.5A CN106515405B (en) | 2017-01-05 | 2017-01-05 | Power assembly casing and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106515405A CN106515405A (en) | 2017-03-22 |
| CN106515405B true CN106515405B (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710014322.5A Active CN106515405B (en) | 2017-01-05 | 2017-01-05 | Power assembly casing and car |
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| CN (1) | CN106515405B (en) |
Families Citing this family (5)
| 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 |
| DK3750729T3 (en) * | 2018-02-12 | 2023-07-24 | Byd Co Ltd | POWER COLLECTION AND VEHICLES EQUIPPED THEREOF |
| 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 |
| CN108973631A (en) * | 2018-09-14 | 2018-12-11 | 株洲欧格瑞传动股份有限公司 | Electric car and its integrated dynamic assembly |
| CN110912323A (en) * | 2018-09-17 | 2020-03-24 | 舍弗勒技术股份两合公司 | Motor device for vehicle and vehicle |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85201515U (en) * | 1985-05-09 | 1986-05-14 | 上海闵行工具总厂 | Controllable core clamper for machine tool |
| CN201342490Y (en) * | 2009-02-13 | 2009-11-11 | 西安合升动力科技有限公司 | Lathe permanent-magnet synchronizing motor main shaft |
| CN201423534Y (en) * | 2009-06-18 | 2010-03-17 | 新乡日升数控轴承装备股份有限公司 | High-precision vertical working turntable |
| CN201792742U (en) * | 2010-03-29 | 2011-04-13 | 株洲南车时代电气股份有限公司 | Integrated driving device |
| CN201909168U (en) * | 2011-02-28 | 2011-07-27 | 赵大平 | Lubricating device with automatic inflating and deflating pressure oil tank and oil tank inner liner |
| CN102285317A (en) * | 2011-06-09 | 2011-12-21 | 上海中科深江电动车辆有限公司 | Electromotive power assembly for electric automobile |
| CN202491681U (en) * | 2012-02-29 | 2012-10-17 | 比亚迪股份有限公司 | Wheel edge driving system and vehicle provided with same |
| CN202809469U (en) * | 2012-07-24 | 2013-03-20 | 苏州市建军纺机配件厂 | Milling machine |
| CN103921674A (en) * | 2014-04-19 | 2014-07-16 | 诸暨市中汽机械零部件有限公司 | Gearbox for electric vehicle |
| CN204323033U (en) * | 2014-11-17 | 2015-05-13 | 郑州宇通客车股份有限公司 | Assembly shell and use dynamic assembly and the vehicle of this assembly shell |
| CN106329804A (en) * | 2015-06-19 | 2017-01-11 | 舍弗勒技术股份两合公司 | Hybrid power system, electric drive module and cooling assembly thereof |
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2017
- 2017-01-05 CN CN201710014322.5A patent/CN106515405B/en active Active
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| CN106515405A (en) | 2017-03-22 |
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