CN201457050U - Split differential mechanism motor driving axle - Google Patents
Split differential mechanism motor driving axle Download PDFInfo
- Publication number
- CN201457050U CN201457050U CN2009200753015U CN200920075301U CN201457050U CN 201457050 U CN201457050 U CN 201457050U CN 2009200753015 U CN2009200753015 U CN 2009200753015U CN 200920075301 U CN200920075301 U CN 200920075301U CN 201457050 U CN201457050 U CN 201457050U
- Authority
- CN
- China
- Prior art keywords
- motor
- diff
- differential mechanism
- shell
- split type
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Retarders (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model relates to a split differential mechanism motor driving axle for a trolleybus, and belongs to the technical field of trolleybus chassis driving device. The split differential mechanism motor driving axle is characterized in that: a differential motor is integrated with a rear axle of the trolleybus; and a differential mechanism shell is split from a motor shell. The split differential mechanism motor driving axle comprises the motor shell with a connecting base and the differential mechanism shell; the two ends of the motor shell are connected with a motor support and a motor side cover respectively; a permanent magnet and motor rotors are arranged in the motor shell; the two ends of the differential mechanism shell are connected with the motor support respectively; and a differential mechanism is arranged in the differential mechanism shell. The split differential mechanism motor driving axle is provided with the differential mechanism shell and the motor shell, the differential mechanism can be maintained only by disassembling the differential mechanism shell without disassembling the motor, thus the split differential mechanism motor driving axle has convenient and simple maintenance and long service life; the motor rotors are arranged on the two sides of the differential mechanism, thus the volume of the motor is remarkably reduced; and the differential mechanism is not wrapped by the motor rotor any longer, thus the radiating property of the differential mechanism is remarkably improved.
Description
Technical field
The utility model relates to the split type differential motor drive axle of a kind of Electric system, belongs to electric car chassis driving device technical field.
Background technology
At present, existing differential motor drive axle is wrapped up by motor rotor owing to diff, thereby make the differential motor drive axle volume heavy, thermal diffusivity is bad, and diff shell and motor casing are one, need dismantle electrical motor simultaneously when diff is keeped in repair, waste time and energy, and greatly reduce the service life of electrical motor.
Summary of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, and provides that a kind of volume is little, the split type differential motor drive axle of good heat dissipation effect, long service life, easy installation and removal, makes diff and vehicle bridge integrated.
The utility model is achieved through the following technical solutions:
A kind of split type differential motor drive axle, its special character is that differential speed motor and electric car back axle are one, diff shell and motor casing are split type, comprise motor casing 8 and the diff shell 14 that connects base 9 is installed, the two ends of motor casing 8 are connected with support of motor 11 and electrical motor side cover 6 respectively, permanent magnet 18 and motor rotor 17 are installed in the motor casing 8, the two ends of diff shell 14 are connected with support of motor 11 respectively, in the diff shell 14 diff are installed;
Described support of motor 11 is connected with the motor bearing 12 that motor bearing oil sealing 13 is installed;
Described motor casing 8 is connected by bolt 7, bolt 10 with support of motor 11, electrical motor side cover 6, and diff shell 14 is connected by bolt 16 with support of motor 11;
Described diff comprises compensating-gear shaft 19 and socket planetary wheel 20 thereon, planetary wheel 20 and 21 meshing connections of differential side gear, and differential side gear 21 is connected with diff semiaxis 1 in being socketed on motor reel 3;
Described motor reel 3 inner junctions with diff semiaxis 1 are provided with and are used to block the diff axle-shaft oil seal 2 that diff inner gear oil leaks outside;
Described motor reel 3 is connected with the motor bearing 5 that motor bearing oil sealing 4 is installed;
In described motor reel 3 and the oil hole that diff is connected diff oil hole plug 15 is installed.
A kind of split type differential motor drive axle of the utility model, differential speed motor and electric car vehicle bridge are one, are respectively equipped with diff shell and motor casing, when being keeped in repair, diff only need dismantle the diff shell, do not need to dismantle electrical motor, easy to maintenance simple, long service life; Motor rotor is located at the both sides of diff respectively, makes the electrical motor volume obviously reduce; Diff no longer is subjected to the parcel of motor rotor, and heat dispersion significantly improves.
Description of drawings
Fig. 1: be a kind of split type differential motor drive axle structural representation of the utility model;
Among the figure: 1, diff semiaxis, 2, the diff axle-shaft oil seal, 3, motor reel, 4, motor bearing oil sealing, 5, motor bearing, 6, the electrical motor side cover, 7, bolt, 8, motor casing, 9, connect base, 10, bolt, 11, support of motor, 12, motor bearing, 13, motor bearing oil sealing, 14, double-body bike diff shell, 15, diff oil hole plug, 16, bolt, 17, motor rotor, 18, permanent magnet, 19, compensating-gear shaft, 20, planetary wheel, 21, differential side gear.
The specific embodiment
Following with reference to accompanying drawing, provide the specific embodiment of the present utility model, be used for formation of the present utility model is further detailed.
A kind of split type differential motor drive axle of present embodiment with reference to the accompanying drawings 1, comprise motor casing 8 and the diff shell 14 that connects base 9 is installed, the two ends of motor casing 8 are connected with support of motor 11 and electrical motor side cover 6 respectively, permanent magnet 18 and motor rotor 17 are installed in the motor casing 8, the two ends of diff shell 14 are connected with support of motor 11 respectively, in the diff shell 14 diff are installed; Described support of motor 11 is connected with the motor bearing 12 that motor bearing oil sealing 13 is installed; Described motor casing 8 is connected by bolt 7, bolt 10 with support of motor 11, electrical motor side cover 6, and diff shell 14 is connected by bolt 16 with support of motor 11; Described diff comprises compensating-gear shaft 19 and socket planetary wheel 20 thereon, planetary wheel 20 and 21 meshing connections of differential side gear, and differential side gear 21 is connected with diff semiaxis 1 in being socketed on motor reel 3; Described motor reel 3 inner junctions with diff semiaxis 1 are provided with and are used to block the diff axle-shaft oil seal 2 that diff inner gear oil leaks outside; Described motor reel 3 is connected with the motor bearing 5 that motor bearing oil sealing 4 is installed; In described motor reel 3 and the oil hole that diff is connected diff oil hole plug 15 is installed.
A kind of split type differential motor drive axle of present embodiment only need be dismantled diff shell 14 when diff is keeped in repair, and does not need to dismantle electrical motor, and is easy to maintenance simple, the service life of having improved electrical motor; Differential rotor rotation by electrical motor drives 1 rotation of diff semiaxis, and the wheel that drives two ends by diff semiaxis 1 travels, its noiselessness simple in structure, realized the incorporate purpose of electrical motor and back axle chassis of electric car, make the chassis of battery-driven car in transmission, reduce resistance, can improve the existing electronic speed of a motor vehicle again, reduce noise, motor rotor 17 is located at the both sides of diff respectively, can make motor rotor 17 produce big moment of torsion, propulsive effort is strong, and after rotor volume diminishes, improved the radiating effect of electrical motor.
A kind of Split differential mechanism motor driving axle of the utility model is compared with open differential motor back axle and is had the following advantages:
1, the volume of Split differential mechanism motor driving axle is little, and is in light weight.
2, power is big, and electric car starts fast.
3, thermal diffusivity is good.
4, long service life.
5, easy to maintenance.
6, low cost of manufacture.
7, noise is little, realizes real low noise.
8, installation, easy removal.
9, moment of torsion is big.
10, this Split differential mechanism motor driving axle is applicable to the various electric automobiles such as electrocar, electric bus, Commercial Motor Vehicle, lorry, tractor.
Claims (7)
1. split type differential motor drive axle, it is characterized in that differential speed motor and electric car back axle are one, diff shell and motor casing are split type, comprise motor casing (8) and the diff shell (14) that connects base (9) is installed, the two ends of motor casing (8) are connected with support of motor (11) and electrical motor side cover (6) respectively, permanent magnet (18) and motor rotor (17) are installed in the motor casing (8), the two ends of diff shell (14) are connected with support of motor (11) respectively, and the diff shell is equipped with diff in (14).
2. according to the described a kind of split type differential motor drive axle of claim 1, it is characterized in that described support of motor (11) is connected with the motor bearing that motor bearing oil sealing (13) are installed (12).
3. according to the described a kind of split type differential motor drive axle of claim 1, it is characterized in that described motor casing (8) is connected by bolt (7,10) with support of motor (11), electrical motor side cover (6), diff shell (14) is connected by bolt (16) with support of motor (11).
4. according to the described a kind of split type differential motor drive axle of claim 1, it is characterized in that described diff comprises compensating-gear shaft (19) and socket planetary wheel (20) thereon, planetary wheel (20) and meshing connection of differential side gear (21), differential side gear (21) the diff semiaxis (1) interior with being socketed on motor reel (3) is connected.
5. according to the described a kind of split type differential motor drive axle of claim 4, it is characterized in that the inner junction with diff semiaxis (1) of described motor reel (3) is provided with and be used to block the diff axle-shaft oil seal (2) that diff inner gear oil leaks outside.
6. according to the described a kind of split type differential motor drive axle of claim 4, it is characterized in that described motor reel (3) is connected with the motor bearing that motor bearing oil sealing (4) are installed (5).
7. according to the described a kind of split type differential motor drive axle of claim 4, it is characterized in that in described motor reel (3) and the oil hole that diff is connected diff oil hole plug (15) being installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200753015U CN201457050U (en) | 2009-07-24 | 2009-07-24 | Split differential mechanism motor driving axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200753015U CN201457050U (en) | 2009-07-24 | 2009-07-24 | Split differential mechanism motor driving axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201457050U true CN201457050U (en) | 2010-05-12 |
Family
ID=42384403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200753015U Expired - Fee Related CN201457050U (en) | 2009-07-24 | 2009-07-24 | Split differential mechanism motor driving axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201457050U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596860B (en) * | 2009-07-24 | 2013-02-13 | 上海中上汽车科技有限公司 | Split differential motor drive axle |
| CN106737815A (en) * | 2016-11-22 | 2017-05-31 | 合肥中科艾帝尔机器人技术有限公司 | A kind of rotating mechanism based on pulley gear |
| CN109263468A (en) * | 2017-07-17 | 2019-01-25 | 段胜 | Electric vehicle joins mixed dynamical system |
-
2009
- 2009-07-24 CN CN2009200753015U patent/CN201457050U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596860B (en) * | 2009-07-24 | 2013-02-13 | 上海中上汽车科技有限公司 | Split differential motor drive axle |
| CN106737815A (en) * | 2016-11-22 | 2017-05-31 | 合肥中科艾帝尔机器人技术有限公司 | A kind of rotating mechanism based on pulley gear |
| CN106737815B (en) * | 2016-11-22 | 2019-06-11 | 合肥中科艾帝尔机器人技术有限公司 | A kind of rotating mechanism based on pulley gear |
| CN109263468A (en) * | 2017-07-17 | 2019-01-25 | 段胜 | Electric vehicle joins mixed dynamical system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104290721B (en) | A kind of new-energy automobile wheel motor drive axle | |
| CN201881893U (en) | Integral differential motor assembly used on electric vehicle | |
| CN203410439U (en) | Wheel-side motor drive axle for new energy automobile | |
| CN110091700B (en) | Gearboxes, drives and electric vehicles | |
| JP3157836U (en) | Wheel motor structure | |
| CN200971047Y (en) | Drive rear, axle of electric vehicle | |
| CN107284225A (en) | A two-speed automatic variable-speed hub motor drive system | |
| CN201457048U (en) | Electric driving system | |
| CN101692591B (en) | Split turbocharged speed reducer differential electric driver | |
| CN201457050U (en) | Split differential mechanism motor driving axle | |
| CN101596860B (en) | Split differential motor drive axle | |
| CN101267145A (en) | Speed differentiator electrode | |
| CN100515816C (en) | Different velocity motor drive system for electric car | |
| CN201553026U (en) | Hybrid power wheel side driving device | |
| CN201501282U (en) | Differential electrically driving machine of split-type turbo charging speed reducer | |
| CN103552466A (en) | Wheel-side driving system | |
| CN201690306U (en) | Motor drive and transmission system for electric automobile | |
| CN201021127Y (en) | Differential motor driving system for electric vehicle | |
| CN206485201U (en) | A kind of permagnetic synchronous motor difference device drive assembly of electric automobile | |
| CN214083833U (en) | Novel in-wheel motor driving system | |
| CN104972888A (en) | Dual-power coupling apparatus | |
| CN201753019U (en) | Electric vehicle driving system and electric vehicle comprising same | |
| CN201400081Y (en) | Oil-electricity mixed power vehicle | |
| CN201250892Y (en) | Gearbox and motor coupler assembly | |
| CN201877944U (en) | Gear shift differential motor assembly of electric cars |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20111129 Granted publication date: 20100512 |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20120331 Granted publication date: 20100512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20180724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |