CN110816168A - Axle framework of sprung integrated electric drive assembly - Google Patents
Axle framework of sprung integrated electric drive assembly Download PDFInfo
- Publication number
- CN110816168A CN110816168A CN201810924140.6A CN201810924140A CN110816168A CN 110816168 A CN110816168 A CN 110816168A CN 201810924140 A CN201810924140 A CN 201810924140A CN 110816168 A CN110816168 A CN 110816168A
- Authority
- CN
- China
- Prior art keywords
- bowl
- arc
- axle
- half shaft
- supporting shell
- 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.)
- Pending
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000006096 absorbing agent Substances 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/16—Axle housings
-
- 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
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses an axle framework of a spring-loaded integrated electric drive assembly. Wherein the bowl mouth supporting shell and the arc-shaped connecting cross beam can be made into an integral type and can also be made into a detachable type. The axle framework is matched with a motor reducer combination fixed on the chassis for use; and two ends of the axle are connected with the chassis through plate springs. The half shaft comprises an inner side half shaft with a universal joint, a middle half shaft and a wheel edge half shaft. The wheel edge half shaft on the outer side is rigidly connected with the wheel hub through a flange plate, the wheel edge half shaft is connected with the middle half shaft, and the inner side half shaft is connected with the middle half shaft through a universal joint. The power transmission of the drive axle is transmitted to the drive wheel through the motor, the speed reducer, the differential mechanism, the half shaft and the wheel hub. The invention mainly aims to provide a novel axle framework for matching with a half shaft with a universal joint for use on the premise that a motor and a speed reducer are changed into sprung mass.
Description
Technical Field
The invention relates to the field of electric automobiles, in particular to an axle framework of a sprung integrated electric drive assembly.
Background
The power transmission of the chassis of the electric automobile on the market at present adopts two arrangement forms, one is the arrangement form of 'a motor + a longitudinally-arranged transmission shaft + a traditional axle', and the other is the arrangement form of 'the motor + a speed reducer + a differential mechanism' integrated into a drive axle. In either case, the use of an electrically driven axle is slightly modified from a conventional one-piece drive axle. The axle housing inner space is little, and is integral axle, can only be used for with the integrated electric drive assembly structure under the spring on the axle housing of motor reducer integration, or the electric drive assembly structure of motor + indulge and put transmission shaft + traditional axle.
Disclosure of Invention
The invention aims to provide an axle framework of a sprung integrated electric drive assembly.
The framework leaves enough arrangement space for the motor and the reducer combination. And enough passing space is reserved when the universal joint on the outer side of the half shaft passes through.
The invention is realized by the following technical scheme: an axle framework of a spring-mounted integrated electric drive assembly comprises a bowl opening supporting shell, an arc-shaped connecting cross beam, a wheel-side axle sleeve and other assemblies, wherein the bowl opening-cross beam combination can be processed on a plate by the aid of the bowl opening-cross beam combination together with the arc-shaped connecting cross beam and the supporting shell. The method is characterized in that: the space reserved in the middle of the arc-shaped connecting beam is used for arranging a combination body of a driving motor and a speed reducer and is suspended on the chassis longitudinal beam; the bowl mouth support shell supports the sprung mass through a leaf spring. The bowl mouth supports shell and wheel limit semi-axis sleeve pipe, and the stopper bottom plate links firmly through the bolt.
This axle changes traditional integral axle housing into both sides arc combination formula supporting beam, and whole axle can adopt the syllogic structure. The outer axle sleeve, the brake bottom plate and the bowl opening supporting shell are connected through flanges, the inner arc-shaped connecting beam is respectively connected with two side faces of the bowl opening supporting shell through bolts, a two-section structure can also be adopted, the bowl opening supporting shell and the arc-shaped connecting beam are made into an integrated bowl opening-beam combination body, and the bowl opening beam combination body is fixedly connected with the wheel edge axle sleeve. The cross beams on the two sides respectively extend forwards and backwards to form an arc shape, and enough space is left for the middle part of the axle to arrange a combination body of the differential and the motor reducer. The motor reducer union is fixed between the chassis longitudinal beams through the motor suspension frame and extends to the lower side space in the middle, and swing half shafts with universal joints extend out of two sides of the differential respectively to transmit power to wheels and normally transmit power when the wheels jump. The universal joint outside the half shaft is arranged in the inner space of the bowl mouth. And a bearing is additionally arranged between the wheel-side half shaft and the axle shells at the two ends to be used as a middle support of the half shaft, so that collision between the half shaft and the shells is prevented. The half shaft and the wheel hub are connected by adopting: the wheel edge half shaft and the flange plate are connected through splines, and the flange plate is connected with the hub through screws. The lower end of the shock absorber is fixedly connected with the arc-shaped connecting beam through a support.
The invention has the advantages that:
(1) the axle adopts an arc-shaped connecting beam structure, and the middle part of the axle is provided with enough space for arranging a motor reducer differential mechanism.
(2) The bowl mouth supports the shell, support sprung mass through the leaf spring on the one hand, on the other hand its inside space that leaves is used for the semi-axis through taking the universal joint, square bowl mouth inboard is circular can regard as linking firmly between the structure of ring flange and the inboard stopper bottom plate of wheel hub, consequently excessive distance between bowl mouth and the stopper bottom plate reduces greatly, the inboard universal joint of bowl mouth can be close to the interior disc of bowl mouth, make middle semi-axis length increase, under the same condition of the momentum of jumping about the wheel, the angle of beating when the wheel is beated of messenger's middle semi-axis reduces, overall structure is also very compact.
(3) The three sections are fixedly connected respectively, so that the processing and the assembly are convenient.
(4) And the arc-shaped connecting beam and the bowl opening supporting shell are integrated, and the integrated bowl opening-beam combination body and the half-shaft sleeve are fixedly connected. With the bowl mouth support shell, the processing of crossbeam integral type is connected to the arc, changes in the axiality of guaranteeing two wheels.
(5) The inner side of the bowl opening supporting shell is provided with a bearing hole, and the mounting bearing plays a supporting role to prevent collision and friction between the half shaft and the shell.
Description of the drawings:
FIG. 1 is a schematic view of a bowl-mouth beam split electric drive assembly according to the present invention.
FIG. 2 is a bottom view of the bowl beam split electric drive assembly of the present invention.
FIG. 3 is a schematic view of a bowl-shaped cross beam split axle structure according to the present invention.
FIG. 4 is a top view of the bowl beam breakaway axle of the present invention.
FIG. 5 is a schematic view of a bowl mouth support shell according to the present invention.
FIG. 6 is a schematic view of the bowl-mouth beam integrated electric drive assembly of the present invention.
FIG. 7 is a schematic view of a bowl-mouth beam integrated axle structure of the present invention.
FIG. 8 is a schematic view of the integrated bowl-arc beam combination of the present invention.
FIG. 9 is a schematic view of the half-shaft structure of the present invention.
Reference numerals are used.
| 1 | |
12 | Outboard |
| 2 | |
13 | Outer |
| 3 | |
14 | |
| 4 | Arc-shaped connecting |
15 | Inner |
| 5 | Bowl |
16 | |
| 6 | |
17 | Semi-axis |
| 7 | Bolt on |
18 | Shock absorber |
| 8 | Electric machine | 19 | |
| 9 | |
20 | |
| 10 | Chassis |
21 | Integrated bowl mouth- |
| 11 | |
22 | Inboard semi-axis |
Detailed description of the preferred embodiments.
See the drawings.
A bowl-mouth cross beam separated sprung integrated electric drive assembly structure is shown in figure 1 and comprises a bowl-mouth cross beam separated axle structure, a hub 2, a motor 16, a speed reducer 9, a differential 19, a plate spring 1 and a chassis longitudinal beam 10. The bowl-opening beam separated axle framework is shown in figure 3 and comprises an arc-shaped connecting beam 4, a bowl-opening supporting shell 5, a wheel-side half-shaft sleeve 17, a half shaft 11 and a flange plate 16. The motor reducer combination is fixedly suspended on a chassis longitudinal beam 10 through a motor suspension frame 3, and the chassis longitudinal beam 10 presses on the upper plane of a bowl opening 5 of an axle framework through a plate spring 1. The arc connecting beam is fixedly connected with two side faces of the bowl mouth supporting shell 5 through bolts, the arc connecting beam is of a hollow square steel structure, two ends of the arc connecting beam are fixed through the bolts, and steel plates can be filled into the hollow inner sides of the fixed positions of the two ends of the square steel and then welded to enhance the bearing capacity of the beam. The cross beam adopts an arc structure, so that enough space is reserved in the middle of the axle for arranging the differential 19, the speed reducer 9 and the motor 8. Half shafts 11 with universal joints extending out of both ends of the differential 19 penetrate through the inner side of the bowl opening and extend into a wheel side half shaft sleeve 17 on the inner side of the wheel hub. As shown in fig. 9, the outer half shaft 12 is fixed to the flange 16 by a spline mechanism, and the flange 16 is connected to the hub 2 by a bolt, so as to transmit the driving torque of the motor to the hub. As shown in FIG. 5, the inner end of the bowl support shell is provided with a bearing hole for mounting a bearing 20 as an intermediate support with a universal joint half shaft. The upper end of the shock absorber 18 is fixedly connected with the longitudinal beam of the chassis, and the lower end of the shock absorber is connected with the arc-shaped connecting beam 4 through a bracket.
A bowl-opening beam integrated sprung integrated electric drive assembly is shown in figure 6 and comprises a bowl-opening beam integrated axle, a hub 2, a motor 16, a speed reducer 9, a differential mechanism 19, a plate spring 1 and a chassis longitudinal beam 10. The bowl-mouth beam separated axle framework of the invention is shown in figure 7 and comprises an integrated bowl-mouth beam combination 21, a half-shaft sleeve 17, a half shaft 11 and a flange 16. The motor reducer combination is fixed on a chassis longitudinal beam 10 through a motor suspension frame 3, and the chassis longitudinal beam 10 is pressed on the upper plane of a bowl opening of the integrated bowl opening-cross beam combination 21 through a plate spring 1. An integrated bowl-mouth beam combination 21, see fig. 8, is formed by machining a bowl-mouth support shell and an arc-shaped connecting beam on a plate. The connecting beam is opened towards the front side and the rear side in an arc shape, and a differential 19, a speed reducer 9 and a motor 8 are arranged in the middle of the axle in a space manner. As shown in FIG. 7, the half-shafts 11 with universal joints extending from both ends of the differential 19 pass through the inside of the bowl of the integrated bowl-beam combination and into the half-shaft sleeve 17 inside the hub. As shown in fig. 9, the outer half shaft 12 is fixed to the flange 16 by a spline mechanism, and the flange 16 is connected to the hub 2 by a bolt, so as to transmit the driving torque of the motor to the hub. As shown in FIG. 5, the bowl-shaped inner end of the integrated bowl-shaped cross beam combination 21 is provided with a bearing hole for mounting a bearing 20, and the bearing is used as a middle support with a universal joint half shaft. The upper end of the shock absorber 18 is fixedly connected with the chassis longitudinal beam, and the lower end of the shock absorber is connected with the integrated bowl mouth-beam combination body 21 through a support.
Claims (10)
1. An axle framework of a spring-mounted integrated electric drive assembly comprises a bowl opening supporting shell, an arc-shaped connecting cross beam, a wheel-side half-shaft sleeve, a wheel hub, a half shaft and other components; the method is characterized in that: the space reserved in the middle of the arc-shaped connecting beam is used for arranging a combination body of a driving motor and a speed reducer and is suspended on the chassis longitudinal beam through a fixing bracket; the bowl mouth supporting shell supports the sprung mass through a plate spring; the bowl mouth supports the half axle that the shell inboard is used for through having the universal joint.
2. The bowl mouth support shell according to claim 1, wherein: the bowl mouth supporting shell is hollow and is bowl-mouth-shaped, namely one end of the bowl mouth supporting shell is small, and the other end of the bowl mouth supporting shell is large.
3. The bowl mouth support shell according to claim 2, wherein: the upper end face of the bowl mouth supporting shell supports sprung mass through a plate spring, and the inner side of the bowl mouth can penetrate through a universal joint with a larger outer diameter.
4. The bowl mouth support shell according to claim 2, wherein: the joint of the bowl opening and the brake bottom plate can be round or square, and the bowl opening supporting shell, the brake bottom plate and the wheel-side semi-axis sleeve are connected together in a screwed mode through the flange plates.
5. The arcuate connecting beam of claim 1, wherein: the arc-shaped connecting beam is arc-shaped or in other curve shapes.
6. The arcuate connecting beam of claim 5, wherein: the two ends of the arc-shaped connecting cross beam are fixedly connected with the two sides of the bowl opening supporting shell respectively, and the middle part of the arc-shaped connecting cross beam is expanded towards the front side and the rear side of the automobile in an arc shape.
7. The axle architecture of a sprung integrated electric drive assembly according to claim 1, characterized in that: the axle frame portion may be comprised of three parts: 1. a half-shaft sleeve; 2. a bowl mouth support shell; 3. the arc is connected with the cross beam; the wheel rim semi-axis sleeve is connected with the bowl opening supporting shell through flanges, and the arc-shaped connecting beam on the inner side is fixedly connected with the side face of the bowl opening supporting shell.
8. The axle architecture of a sprung integrated electric drive assembly according to claim 1, characterized in that: the axle frame portion may be comprised of two parts: 1. a bowl mouth-arc beam combination body 2, a semi-axis sleeve; the bowl mouth supporting shell and the arc-shaped connecting beam are made into an integrated bowl mouth-arc-shaped beam combination body, and the outer end of the bowl mouth is fixedly connected with the wheel rim semi-axis sleeve.
9. The bowl mouth support shell according to claim 1, wherein: and a bearing is additionally arranged between the outer side wheel edge half shaft and the bowl opening supporting shell to serve as a middle support of the half shaft.
10. The axle shaft of claim 1, wherein: the wheel edge half shaft and the outer flange plate are fixedly connected through splines, and the outer flange plate and the wheel hub are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924140.6A CN110816168A (en) | 2018-08-11 | 2018-08-11 | Axle framework of sprung integrated electric drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924140.6A CN110816168A (en) | 2018-08-11 | 2018-08-11 | Axle framework of sprung integrated electric drive assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110816168A true CN110816168A (en) | 2020-02-21 |
Family
ID=69547449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810924140.6A Pending CN110816168A (en) | 2018-08-11 | 2018-08-11 | Axle framework of sprung integrated electric drive assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110816168A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923727A (en) * | 2020-08-25 | 2020-11-13 | 上海伊控动力系统有限公司 | Two-gear electric drive axle arrangement structure for commercial vehicle |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1524452A (en) * | 1976-03-18 | 1978-09-13 | Lafuente Ruberte A | Retarding mechanisms for vehicles |
| DE8715709U1 (en) * | 1987-11-27 | 1988-02-04 | Braig, Michael, 7303 Neuhausen | Rigid axle with a differential gear for the drive wheels of an electric motor-driven land vehicle |
| US20050148421A1 (en) * | 2002-01-31 | 2005-07-07 | Karl-Heinz Keuth | Directly driven driving axle having two drive motors |
| US20080001379A1 (en) * | 2006-06-28 | 2008-01-03 | Myers Gary M | Suspension mounting system and a method of assembling the same |
| CN104002632A (en) * | 2014-06-10 | 2014-08-27 | 安徽江淮汽车股份有限公司 | Vehicle and plate spring suspension assembly thereof |
| CN105644268A (en) * | 2016-01-07 | 2016-06-08 | 东风商用车有限公司 | Driving axle housing |
| CN105774404A (en) * | 2016-03-11 | 2016-07-20 | 石家庄里工机械有限公司 | Vehicle steering driving structure |
| CN105882316A (en) * | 2016-04-28 | 2016-08-24 | 中国第汽车股份有限公司 | Semi-floating axle shaft and driven cylindrical gear integrated gantry drive axle wheel hub structure |
| CN106080776A (en) * | 2016-08-23 | 2016-11-09 | 合肥工业大学 | A kind of hollow type axle structure |
| CN106080074A (en) * | 2016-08-19 | 2016-11-09 | 浙江吉利新能源商用车有限公司 | Major-minor plate spring suspension system and there is the vehicle of this major-minor plate spring suspension system |
| CN206012223U (en) * | 2016-08-23 | 2017-03-15 | 合肥工业大学 | A kind of hollow type axle structure |
| CN107298014A (en) * | 2017-07-04 | 2017-10-27 | 合肥盎然车桥有限公司 | A kind of motor drive axle |
| CN110816189A (en) * | 2018-08-09 | 2020-02-21 | 合肥工业大学 | Leaf spring suspension structure of integrated electric drive assembly on spring |
-
2018
- 2018-08-11 CN CN201810924140.6A patent/CN110816168A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1524452A (en) * | 1976-03-18 | 1978-09-13 | Lafuente Ruberte A | Retarding mechanisms for vehicles |
| DE8715709U1 (en) * | 1987-11-27 | 1988-02-04 | Braig, Michael, 7303 Neuhausen | Rigid axle with a differential gear for the drive wheels of an electric motor-driven land vehicle |
| US20050148421A1 (en) * | 2002-01-31 | 2005-07-07 | Karl-Heinz Keuth | Directly driven driving axle having two drive motors |
| US20080001379A1 (en) * | 2006-06-28 | 2008-01-03 | Myers Gary M | Suspension mounting system and a method of assembling the same |
| CN104002632A (en) * | 2014-06-10 | 2014-08-27 | 安徽江淮汽车股份有限公司 | Vehicle and plate spring suspension assembly thereof |
| CN105644268A (en) * | 2016-01-07 | 2016-06-08 | 东风商用车有限公司 | Driving axle housing |
| CN105774404A (en) * | 2016-03-11 | 2016-07-20 | 石家庄里工机械有限公司 | Vehicle steering driving structure |
| CN105882316A (en) * | 2016-04-28 | 2016-08-24 | 中国第汽车股份有限公司 | Semi-floating axle shaft and driven cylindrical gear integrated gantry drive axle wheel hub structure |
| CN106080074A (en) * | 2016-08-19 | 2016-11-09 | 浙江吉利新能源商用车有限公司 | Major-minor plate spring suspension system and there is the vehicle of this major-minor plate spring suspension system |
| CN106080776A (en) * | 2016-08-23 | 2016-11-09 | 合肥工业大学 | A kind of hollow type axle structure |
| CN206012223U (en) * | 2016-08-23 | 2017-03-15 | 合肥工业大学 | A kind of hollow type axle structure |
| CN107298014A (en) * | 2017-07-04 | 2017-10-27 | 合肥盎然车桥有限公司 | A kind of motor drive axle |
| CN110816189A (en) * | 2018-08-09 | 2020-02-21 | 合肥工业大学 | Leaf spring suspension structure of integrated electric drive assembly on spring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923727A (en) * | 2020-08-25 | 2020-11-13 | 上海伊控动力系统有限公司 | Two-gear electric drive axle arrangement structure for commercial vehicle |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20200221 |