CN108626346A - A kind of deceleration strip differential assembly - Google Patents
A kind of deceleration strip differential assembly Download PDFInfo
- Publication number
- CN108626346A CN108626346A CN201710160975.4A CN201710160975A CN108626346A CN 108626346 A CN108626346 A CN 108626346A CN 201710160975 A CN201710160975 A CN 201710160975A CN 108626346 A CN108626346 A CN 108626346A
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- Prior art keywords
- differential
- bearing
- assembly
- ball bearing
- word axis
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
A kind of entitled deceleration strip differential assembly of the present invention.Belong to automotive axle technical field.It mainly solves existing hypoid bevel gear retarder and involute bevel differential size is big, own wt is big, is unfavorable for lightweight, the problems such as process and assemble difficulty is larger.It is mainly characterized by：It include the differential assembly comprising differential mechanism left housing, differential right casing, planetary gear, axle shaft gear, a word axis, first end face bearing, second end face bearing, needle bearing, the first connection bolt；Include the speed reducer assembly of differential right housing, sun gear, planetary gear, the first ball bearing, hollow word axis, the second ball bearing, third ball bearing；Speed reducer assembly, which connect to be bolted by second with differential assembly, constitutes deceleration strip differential assembly.The present invention have the characteristics that size it is small, it is simple and compact for structure, improve transmission efficiency, be easy to implement rationally using space, be easy to implement lightweight and convenient for assembly, be mainly used for electric vehicle.
Description
Technical field
The invention belongs to automotive axle technical fields, and in particular to a kind of to subtract retarder with what differential mechanism became one
Speed belt differential assembly.
Background technology
Orthodox car vehicle bridge, main reducing gear generally use hypoid bevel gear retarder and involute bevel differential collection
Integral mode.Hypoid bevel gear and involute bevel gear size are big, are unfavorable for arrangement；Own wt is big, unfavorable
In lightweight；Processing, assembly difficulty are larger, and cost is higher.
Invention content
The purpose of the present invention provided aiming at above-mentioned shortcoming a kind of size it is small, it is compact-sized, convenient for assembly, drop
Low cost and the rational deceleration strip differential assembly of space utilization.
Technical solution of the invention is：A kind of deceleration strip differential assembly, it is characterised in that：Including including differential mechanism
Left housing, differential right casing, planetary gear, axle shaft gear, a word axis, first end face bearing, second end face bearing, needle bearing,
The differential assembly of first connection bolt；Including including differential right housing, sun gear, planetary gear, the first ball bearing, a hollow word
The speed reducer assembly of axis, the second ball bearing, third ball bearing；The planetary gear, axle shaft gear, a word axis, first end face axis
It holds, second end face bearing, needle bearing are loaded on differential mechanism left housing, inside differential right casing, composition differential assembly；The sun
Wheel, planetary gear, the first ball bearing, hollow word axis, the second ball bearing, third ball bearing are assemblied in inside differential right housing, structure
At speed reducer assembly；Speed reducer assembly, which connect to be bolted by second with differential assembly, constitutes deceleration strip differential assembly.
Needle bearing described in technical solution of the invention is installed in planetary gear, the installation of first end face bearing
In planetary gear both ends, needle bearing, planetary gear and first end face bearing are mounted on differential mechanism left housing and differential by a word axis
Among the right shell of device；Axle shaft gear replaces with second end face bearing to be installed on inside differential mechanism left housing and differential right casing；Differential mechanism
Left housing is fixedly connected with differential right casing by the first connection bolt.
The second ball bearing and third ball bearing described in technical solution of the invention are pressed on differential right housing；
Sun gear is pressed in the second ball bearing；First ball bearing is pressed in planetary gear, and hollow word axis connects the first ball bearing
In on differential right housing.
Differential right casing described in technical solution of the invention is equipped with hollow word axis location hole, a hollow word
Axis front end is stretched into the hollow word axis location hole；Differential right casing is equipped with the dowel hole of cooperation with differential right housing, fixed
Positioning pin is housed in the pin hole of position；Differential right casing connect bolt by second with differential right housing and is fixedly connected.
Differential assembly and speed reducer assembly are integrated in one by the present invention, and differential is realized while realizing retarder function
Device function.Compared with prior art, the present invention replacing hypoid bevel gear and involute bevel gear, differential mechanism using roller gear
Right shell is integrated in one with retarder left housing, reduces amount of parts, reduces processing and assembly difficulty, reduces cost,
Small with size, simple and compact for structure, transmission efficiency, be easy to implement rationally using space, be easy to implement lightweight and conveniently
The characteristics of assembly.Present invention is mainly used for electric vehicles.
Description of the drawings
Fig. 1 is the speed reducer assembly schematic diagram of the present invention.
Fig. 2 is the differential assembly schematic diagram of the present invention.
Fig. 3 is the deceleration strip differential assembly schematic diagram of the present invention.
In figure：1- differential right housings, 2- sun gears, 3- planetary gears, the first ball bearings of 4-, the hollow word axis of 5-, 6- second
Ball bearing, 7- third ball bearings；8- differential mechanism left housings, 9- differential right casings, 10- axle shaft gears, 11- planetary gears, mono- words of 12-
Axis, 13- first end face bearings, 14- needle bearings；15- second end face bearings；The connection bolts of 16- first；A- differential assemblies；
B- speed reducer assemblies；The connection bolts of 17- second；18- positioning pins.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1.A kind of speed reducer assembly B of deceleration strip differential assembly of the present invention includes differential right housing 1, the sun
Wheel 2, planetary gear 3, the first ball bearing 4, hollow word axis 5, the second ball bearing 6 and third ball bearing 7.Sun gear 2, planetary gear 3,
First ball bearing 4, hollow word axis 5, the second ball bearing 6, third ball bearing 7 are assemblied in inside differential right housing 1, are constituted and are slowed down
Device assembly B.In on differential right housing 1, sun gear 2 is pressed in the second ball bearing 6 for second ball bearing 6 and the press fitting of third ball bearing 7
It is interior；First ball bearing 4 is pressed in planetary gear 3, and the first ball bearing 4 is connected to differential right housing 1 by hollow word axis 5.
As shown in Figure 2.A kind of differential assembly A of deceleration strip differential assembly of the present invention includes differential mechanism left housing 8, differential
The right shell 9 of device, axle shaft gear 10, planetary gear 11, a word axis 12, first end face bearing 13, needle bearing 14, second end face bearing
15 and first connect bolt 16.Planetary gear 11, axle shaft gear 10, a word axis 12, first end face bearing 13, second end face bearing
15, needle bearing 14 constitutes differential assembly A loaded on differential mechanism left housing 8, inside differential right casing 9.Needle bearing 14 is installed on
In planetary gear 11, first end face bearing 13 is installed on 11 both ends of planetary gear, and a word axis 12 will be by needle bearing 14, planet tooth
The planetary gear assembly that wheel 11 and first end face bearing 13 are constituted is mounted among differential mechanism left housing 8 and differential right casing 9, semiaxis
Gear 10 replaces with second end face bearing 15 to be installed on inside differential mechanism left housing 8 and differential right casing 9, differential mechanism left housing 8 and poor
The right shell of fast device 9 is fixedly connected by the first connection bolt 16, constitutes complete differential assembly A.
As shown in Figure 3.The axle shaft gear 10 of differential assembly A and 2 corresponding matching of sun gear of speed reducer assembly B.Differential
The right shell 9 of device is equipped with hollow word axis location hole, and hollow 5 front end of word axis is stretched into the hollow word axis location hole.Differential mechanism
Right shell 9 is equipped with the dowel hole of cooperation with differential right housing 1, and positioning pin 18 is housed in dowel hole.Differential right casing 9 with subtract
The right shell of fast device 1 is fixedly connected by the second connection bolt 17.Differential assembly A connect bolt with speed reducer assembly B by second
17 and positioning pin 18 constitute deceleration strip differential assembly.
Claims (5)
1. a kind of deceleration strip differential assembly, it is characterised in that：Including including differential mechanism left housing（8）, differential right casing（9）, row
Star gear（11）, axle shaft gear（10）, a word axis（12）, first end face bearing（13）, second end face bearing（15）, needle bearing
（14）, first connection bolt（16）Differential assembly（A）；Including including differential right housing（1）, sun gear（2）, planetary gear
（3）, the first ball bearing（4）, hollow word axis（5）, the second ball bearing（6）, third ball bearing（7）Speed reducer assembly（B）；Institute
State planetary gear（11）, axle shaft gear（10）, a word axis（12）, first end face bearing（13）, second end face bearing（15）, needle roller
Bearing（14）Loaded on differential mechanism left housing（8）, differential right casing（9）Inside constitutes differential assembly（A）；The sun gear（2）、
Planetary gear（3）, the first ball bearing（4）, hollow word axis（5）, the second ball bearing（6）, third ball bearing（7）It is assemblied in retarder
Right shell（1）Inside constitutes speed reducer assembly（B）；Speed reducer assembly（B）With differential assembly（A）Pass through the second connection bolt
（17）Connect and compose deceleration strip differential assembly.
2. a kind of deceleration strip differential assembly according to claim 1, it is characterised in that：The needle bearing（14）Peace
Loaded on planetary gear（11）It is interior, first end face bearing（13）It is installed on planetary gear（11）Both ends, a word axis（12）By needle roller axis
It holds（14）, planetary gear（11）With first end face bearing（13）Mounted on differential mechanism left housing（8）And differential right casing（9）It is intermediate；
Axle shaft gear（10）With second end face bearing（15）Alternating is installed on differential mechanism left housing（8）And differential right casing（9）It is internal；Differential
Device left housing（8）And differential right casing（9）Pass through the first connection bolt（16）It is fixedly connected.
3. a kind of deceleration strip differential assembly according to claim 1 or 2, it is characterised in that：Second ball bearing
（6）With third ball bearing（7）It is pressed in differential right housing（1）On；Sun gear（2）It is pressed in the second ball bearing（6）It is interior；First ball
Bearing（4）It is pressed in planetary gear（3）It is interior, hollow word axis（5）By the first ball bearing（4）It is connected to differential right housing（1）On.
4. a kind of deceleration strip differential assembly according to claim 1 or 2, it is characterised in that：The differential right casing
（9）It is equipped with hollow word axis location hole, hollow word axis（5）Front end is stretched into the hollow word axis location hole；Differential mechanism is right
Shell（9）With differential right housing（1）It is equipped with the dowel hole of cooperation, positioning pin is housed in dowel hole（18）；Differential right casing
（9）With differential right housing（1）Pass through the second connection bolt（17）It is fixedly connected.
5. a kind of deceleration strip differential assembly according to claim 3, it is characterised in that：The differential right casing（9）
It is equipped with hollow word axis location hole, hollow word axis（5）Front end is stretched into the hollow word axis location hole；Differential right casing
（9）With differential right housing（1）It is equipped with the dowel hole of cooperation, positioning pin is housed in dowel hole（18）；Differential right casing（9）
With differential right housing（1）Pass through the second connection bolt（17）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710160975.4A CN108626346A (en) | 2017-03-17 | 2017-03-17 | A kind of deceleration strip differential assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710160975.4A CN108626346A (en) | 2017-03-17 | 2017-03-17 | A kind of deceleration strip differential assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108626346A true CN108626346A (en) | 2018-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710160975.4A Pending CN108626346A (en) | 2017-03-17 | 2017-03-17 | A kind of deceleration strip differential assembly |
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| CN (1) | CN108626346A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210463A (en) * | 1994-10-21 | 1996-08-20 | Zexel Torsen Inc | Parallel shaft differential gear |
| US20020129979A1 (en) * | 2001-03-14 | 2002-09-19 | Bowen Thomas C. | Electric drive motor axle with integrated reduction and differential gearset |
| US20050070395A1 (en) * | 2003-09-29 | 2005-03-31 | Degowske Robert J. | Electromagnetic locking differential assembly |
| CN101602326A (en) * | 2009-07-06 | 2009-12-16 | 奇瑞汽车股份有限公司 | A kind of differential retarder |
| CN103935237A (en) * | 2014-04-13 | 2014-07-23 | 福建亚南电机有限公司 | Electrically-driven variable-speed axle integrated with two-gear gearbox, main reducer and differential mechanism |
| DE102013214879A1 (en) * | 2013-07-30 | 2015-02-05 | Schaeffler Technologies Gmbh & Co. Kg | Axle differential gear for a motor vehicle |
| CN206571933U (en) * | 2017-03-17 | 2017-10-20 | 东风德纳车桥有限公司 | A kind of deceleration strip differential assembly |
-
2017
- 2017-03-17 CN CN201710160975.4A patent/CN108626346A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210463A (en) * | 1994-10-21 | 1996-08-20 | Zexel Torsen Inc | Parallel shaft differential gear |
| US20020129979A1 (en) * | 2001-03-14 | 2002-09-19 | Bowen Thomas C. | Electric drive motor axle with integrated reduction and differential gearset |
| US20050070395A1 (en) * | 2003-09-29 | 2005-03-31 | Degowske Robert J. | Electromagnetic locking differential assembly |
| CN101602326A (en) * | 2009-07-06 | 2009-12-16 | 奇瑞汽车股份有限公司 | A kind of differential retarder |
| DE102013214879A1 (en) * | 2013-07-30 | 2015-02-05 | Schaeffler Technologies Gmbh & Co. Kg | Axle differential gear for a motor vehicle |
| CN103935237A (en) * | 2014-04-13 | 2014-07-23 | 福建亚南电机有限公司 | Electrically-driven variable-speed axle integrated with two-gear gearbox, main reducer and differential mechanism |
| CN206571933U (en) * | 2017-03-17 | 2017-10-20 | 东风德纳车桥有限公司 | A kind of deceleration strip differential assembly |
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