CN214888434U - Bearing connecting mechanism for electric drive bridge - Google Patents

Bearing connecting mechanism for electric drive bridge Download PDF

Info

Publication number
CN214888434U
CN214888434U CN202120079622.3U CN202120079622U CN214888434U CN 214888434 U CN214888434 U CN 214888434U CN 202120079622 U CN202120079622 U CN 202120079622U CN 214888434 U CN214888434 U CN 214888434U
Authority
CN
China
Prior art keywords
bearing
bearing seat
mounting position
gear ring
inner gear
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.)
Active
Application number
CN202120079622.3U
Other languages
Chinese (zh)
Inventor
邓辉
许电波
秦厚明
李彬
高照森
孔卓
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.)
Sinotruk Jinan Power Co Ltd
China National Heavy Duty Truck Group Jinan Power Co Ltd
Original Assignee
China National Heavy Duty Truck Group Jinan Power 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 China National Heavy Duty Truck Group Jinan Power Co Ltd filed Critical China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority to CN202120079622.3U priority Critical patent/CN214888434U/en
Application granted granted Critical
Publication of CN214888434U publication Critical patent/CN214888434U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Retarders (AREA)

Abstract

The utility model provides an electricity drive bridge and use bearing connection mechanism, include: the inner gear ring, the bearing seat, the planet carrier end cover and the first bearing are sleeved on the electric drive axle hollow shaft; a second bearing is sleeved on the outer end face of the planet carrier end cover; a first bearing mounting position and a second bearing mounting position are arranged inside the bearing seat; a retaining boss is arranged between the first bearing mounting position and the second bearing mounting position; the first bearing mounting position is connected with the outer edge of the second bearing in a matching way; the second bearing mounting position is connected with the outer edge of the first bearing in a matching way; external gear teeth are arranged outside the bearing seat; the inner gear ring is provided with inner gear teeth matched with the outer gear teeth; the external gear and the internal gear are meshed with each other to connect the inner gear ring and the bearing seat. The bearing seat can fix the position of the bearing, ensure the normal operation and sufficient lubrication of the bearing, and can fix the gear ring to play a role of a gear ring fixing support. The integrated design can be effectively realized through the bearing connecting mechanism for the electric drive bridge.

Description

Bearing connecting mechanism for electric drive bridge
Technical Field
The utility model relates to an electricity drive bridge technical field especially relates to an electricity drive bridge with bearing coupling mechanism.
Background
From the technical development trend of new energy automobile electric drive systems at home and abroad, the development is generally towards the integration and integration of power systems. Through the integrated design, on the one hand can further reduce the volume weight of assembly, improve the power, volume, the moment of torsion density of system, on the other hand is convenient for serialization, mass production through integrating with the matching that becomes more meticulous, improves the commonality of product and reduces development and manufacturing cost.
At present, because the needs that electrically drive bridge planetary reducer assembly structural arrangement, electrically drive bridge hollow mandrel and planet carrier end cover need the bearing to support at high-speed rotatory in-process, but present bearing leads to easily to drive lubricated effect not good between bridge hollow mandrel and the planet carrier end cover at the support in-process, mutually supports insecure problem moreover, leads to the vehicle to break down in service easily.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough among the above-mentioned prior art, the utility model provides an electricity drive bridge and use bearing connection mechanism, include: the inner gear ring, the bearing seat, the planet carrier end cover and the first bearing are sleeved on the electric drive axle hollow shaft;
a second bearing is sleeved on the outer end face of the planet carrier end cover;
a first bearing mounting position and a second bearing mounting position are arranged inside the bearing seat;
a retaining boss is arranged between the first bearing mounting position and the second bearing mounting position;
the first bearing mounting position is connected with the outer edge of the second bearing in a matching way;
the second bearing mounting position is connected with the outer edge of the first bearing in a matching way;
external gear teeth are arranged outside the bearing seat;
the inner gear ring is provided with inner gear teeth matched with the outer gear teeth;
the external gear and the internal gear are meshed with each other to connect the inner gear ring and the bearing seat.
It should be further noted that a groove is formed at a position close to the inner gear of the ring gear;
a spring retainer ring is arranged in the groove;
the inner gear ring is connected with the bearing seat, and the spring retainer ring is retained at one end of the bearing seat.
It should be further noted that an oil guide groove is arranged inside the bearing seat.
It should be further noted that the bearing seat is provided with a bearing seat disc, and the bearing seat disc is connected with a flange;
the first bearing mounting position and the second bearing mounting position are arranged on the inner wall of the flange.
It should be further noted that at least four connecting holes are uniformly distributed on the bearing seat disc.
It should be further described that two mounting seats are arranged on the bearing seat disc, and mounting holes are formed in the mounting seats.
It should be further noted that the center of the first bearing, the center of the bearing seat, the center of the second bearing, the center of the inner gear ring, the center of the planet carrier end cover and the center of the hollow shaft are arranged on the same straight line.
According to the technical scheme, the utility model has the advantages of it is following:
in the bearing connecting mechanism for the electric drive bridge, the bearing seat can fix the position of the bearing, ensure the normal operation and sufficient lubrication of the bearing, and can also fix the gear ring to play a role of a gear ring fixing support. The integrated design can be effectively realized through the bearing connecting mechanism for the electric drive bridge.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a bearing connection mechanism for an electric drive bridge;
FIG. 2 is a front view of the bearing housing;
FIG. 3 is a schematic view of a bearing seat A;
FIG. 4 is a schematic view of a bearing seat B;
fig. 5 is a perspective view of the bearing housing.
Description of reference numerals:
1-a first bearing, 2-a bearing seat, 3-a second bearing, 4-a spring retainer ring, 5-an inner gear ring, 6-a planet carrier end cover, 7-an electric drive axle hollow shaft, 11-a first bearing mounting position, 12-a second bearing mounting position, 13-an external gear, 14-a retaining boss, 15-an oil guide groove, 21-a bearing seat disc, 22-a flange, 23-a connecting hole and 24-a mounting seat.
Detailed Description
The utility model provides an electricity drive bridge with bearing coupling mechanism, as shown in fig. 1 to 5, include: the inner gear ring 5, the bearing seat 2, and the planet carrier end cover 6 and the first bearing 1 which are sleeved on the hollow shaft 7;
the outer end face of the planet carrier end cover 6 is sleeved with a second bearing 3; a first bearing mounting position 11 and a second bearing mounting position 12 are arranged in the bearing seat 2; a retaining boss 14 is arranged between the first bearing mounting position 11 and the second bearing mounting position 12; the first bearing mounting position 11 is connected with the outer edge of the second bearing 3 in a matching way; the second bearing mounting position 12 is connected with the outer edge of the first bearing 1 in a matching way;
the outer part of the bearing seat 2 is provided with external gear teeth 13; the inner gear ring 5 is provided with inner gear teeth matched with the outer gear teeth 13; the external gear 13 and the internal gear are meshed with each other to connect the inner gear ring 5 with the bearing seat 2.
A groove is arranged at the position close to the inner gear ring 5; a spring retainer ring 4 is arranged in the groove; the inner gear ring 5 is connected with the bearing seat 2, and the spring retainer ring 4 is retained at one end of the bearing seat 2.
In order to fix the position of an inner gear ring in the planetary reduction assembly, the outer meshing gear 13 and the inner meshing gear are meshed with each other to enable the inner gear ring 5 to be connected with the bearing seat 2. The axial fixation of the inner gear ring is ensured by the matching of the spring retainer ring.
As the utility model discloses in, the center of first bearing 1, the center of bearing frame 2, the center of second bearing 3, the center of ring gear 5, the center of planet carrier end cover 6 and the center of hollow shaft 7 set up on same straight line.
The outer end surface of the planet carrier end cover 6 is sleeved with the second bearing 3; the first bearing mounting position 11 is connected with the outer edge of the second bearing 3 in a matching way; the second bearing mounting position 12 is connected with the outer edge of the first bearing 1 in a matching way; the components can be connected with each other in an interference fit mode, and the components can be connected tightly and firmly.
The present invention provides a bearing connecting mechanism for an electric drive bridge, which may be directly on another element or layer, directly connected or coupled to the other element or layer, when it is said that a certain element or layer is "on" another element or layer, and is "connected" or "coupled" to the other element or layer, and there may be intermediate elements or layers. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The present invention provides a bearing connection mechanism for an electric drive bridge that uses spatially relative terms such as "under …", "below", "lower", "above", etc. to describe one element or feature's relationship to another element or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
The term used in the present invention for the bearing connecting mechanism for an electric drive bridge is only used for describing the specific embodiment, and is not intended to limit the description in this document. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
As an embodiment of the present invention, the inside of the bearing seat 2 is provided with an oil guiding groove 15.
The utility model discloses a first bearing 1 and second bearing 3 can satisfy the high-speed operation of electrically driving axle hollow shaft and planet carrier end cover, in order to guarantee high-speed bearing's normal lubrication, according to the position that transaxle inner chamber lubricating oil splashes, have set up and have led oil groove 15, can be better lubricate.
The inner gear ring 5 is connected with the bearing seat 2 through short teeth; namely, the meshing teeth of the inner gear ring 5 and the meshing teeth of the bearing seat 2 are short teeth. The crest factor of the short teeth was 0.8, and the crest factor was 0.3.
As an embodiment of the present invention, the bearing seat 2 is provided with a bearing seat disc 21, and the bearing seat disc 21 is connected with a flange 22; the first bearing mounting location 11 and the second bearing mounting location 12 are provided on the inner wall of the flange 22. At least four connecting holes 23 are uniformly distributed on the bearing seat disc 21. Two mounting seats 24 are arranged on the bearing seat disc 21, and mounting holes are formed in the mounting seats 24.
In the bearing connecting mechanism for the electric drive bridge, the bearing seat can fix the position of the bearing, ensure the normal operation and sufficient lubrication of the bearing, and can also fix the gear ring to play a role of a gear ring fixing support. The integrated design can be effectively realized through the bearing connecting mechanism for the electric drive bridge.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides an electricity drive bridge with bearing coupling mechanism which characterized in that includes: the inner gear ring (5), the bearing seat (2), and the planet carrier end cover (6) and the first bearing (1) which are sleeved on the electric drive axle hollow shaft (7);
the outer end face of the planet carrier end cover (6) is sleeved with a second bearing (3);
a first bearing mounting position (11) and a second bearing mounting position (12) are arranged in the bearing seat (2);
a retaining boss (14) is arranged between the first bearing mounting position (11) and the second bearing mounting position (12);
the first bearing mounting position (11) is connected with the outer edge of the second bearing (3) in a matching way;
the second bearing mounting position (12) is connected with the outer edge of the first bearing (1) in a matching way;
external gear teeth (13) are arranged outside the bearing seat (2);
the inner gear ring (5) is provided with inner gear teeth matched with the outer gear teeth (13);
the external gear (13) and the internal gear are meshed with each other to connect the inner gear ring (5) with the bearing seat (2).
2. Bearing connection according to claim 1,
a groove is arranged at the position close to the inner gear ring (5);
a spring retainer ring (4) is arranged in the groove;
the inner gear ring (5) is connected with the bearing seat (2), and the spring retainer ring (4) is retained at one end of the bearing seat (2).
3. Bearing connection according to claim 1,
an oil guide groove (15) is arranged in the bearing seat (2).
4. Bearing connection according to claim 1,
the inner gear ring (5) is connected with the bearing seat (2) through short teeth;
the crest factor of the short teeth was 0.8, and the crest factor was 0.3.
5. Bearing connection according to claim 1,
the bearing seat (2) is provided with a bearing seat disc (21), and the bearing seat disc (21) is connected with a flange (22);
the first bearing mounting position (11) and the second bearing mounting position (12) are arranged on the inner wall of the flange (22).
6. Bearing connection according to claim 5,
at least four connecting holes (23) are uniformly distributed on the bearing seat disc (21).
7. Bearing connection according to claim 5,
two mounting seats (24) are arranged on the bearing seat disc (21), and mounting holes are formed in the mounting seats (24).
8. Bearing connection according to claim 1,
the center of the first bearing (1), the center of the bearing seat (2), the center of the second bearing (3), the center of the inner gear ring (5), the center of the planet carrier end cover (6) and the center of the hollow shaft (7) are arranged on the same straight line.
CN202120079622.3U 2021-01-12 2021-01-12 Bearing connecting mechanism for electric drive bridge Active CN214888434U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120079622.3U CN214888434U (en) 2021-01-12 2021-01-12 Bearing connecting mechanism for electric drive bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120079622.3U CN214888434U (en) 2021-01-12 2021-01-12 Bearing connecting mechanism for electric drive bridge

Publications (1)

Publication Number Publication Date
CN214888434U true CN214888434U (en) 2021-11-26

Family

ID=78864984

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120079622.3U Active CN214888434U (en) 2021-01-12 2021-01-12 Bearing connecting mechanism for electric drive bridge

Country Status (1)

Country Link
CN (1) CN214888434U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114620125A (en) * 2022-01-21 2022-06-14 北京航天发射技术研究所 Steering support assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114620125A (en) * 2022-01-21 2022-06-14 北京航天发射技术研究所 Steering support assembly

Similar Documents

Publication Publication Date Title
CN214888434U (en) Bearing connecting mechanism for electric drive bridge
CN216975684U (en) Power transmission system for vehicle and vehicle with power transmission system
CN110091700A (en) Retarder, driving device and electric car
EP3896308B1 (en) Electronic parking brake actuator assembly
CN114454712A (en) Automobile power system and automobile
CN103671862A (en) Hub nut for a planetary transmission and planetary transmission
KR102138850B1 (en) Driving apparatus for electric vehicle
CN217401608U (en) Dual-motor direct drive system and vehicle
CN211641805U (en) Input shaft connecting structure of pure electric integrated power assembly
CN212564323U (en) Sun wheel axial positioning and shaft end lubricating structure and heavy truck transmission comprising same
CN210500331U (en) Inner rotor planetary gear motor joint
CN208982613U (en) A kind of auxiliary support mechanism for speed changer planetary mechanism assembly
CN212992075U (en) Function integrated form motor support, motor transmission and car
CN211202764U (en) Speed reducer and driving device
CN215705480U (en) Concave cavity cover and driving axle
CN215908325U (en) Reduction gear and car
CN108953515A (en) A kind of auxiliary support mechanism for speed changer planetary mechanism assembly
CN112211964A (en) Single-planet-row electric two-gear power driving system and vehicle
CN214008007U (en) Gear box
CN218152201U (en) Two keep off electricelectric moves derailleur and new forms of energy car
CN213899814U (en) High-torque-output and high-integration hub power module
CN217137691U (en) Food processor with compact structure
CN218440490U (en) Gearbox gear guide sleeve structure
CN217502549U (en) Gear box device for automobile
CN220523189U (en) Speed reducer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant