CN106627765B - Rear secondary frame for vehicle - Google Patents
Rear secondary frame for vehicle Download PDFInfo
- Publication number
- CN106627765B CN106627765B CN201611191823.2A CN201611191823A CN106627765B CN 106627765 B CN106627765 B CN 106627765B CN 201611191823 A CN201611191823 A CN 201611191823A CN 106627765 B CN106627765 B CN 106627765B
- Authority
- CN
- China
- Prior art keywords
- axle beam
- stringer
- transition bracket
- back rest
- bracket
- 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
Links
- 230000007704 transition Effects 0.000 claims abstract description 48
- 239000000725 suspension Substances 0.000 claims abstract description 10
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of Rear secondary frame for vehicle, including front-axle beam, the back rest positioned opposite with front-axle beam, the opposite ends of front-axle beam and the back rest are connected separately with stringer, transition bracket is equipped between the front-axle beam and stringer, front-axle beam is connect with transition bracket respectively with stringer, and front-axle beam is lower than the back rest on vertical guide, and the front-axle beam, the back rest, stringer, transition bracket enclose the hollow frame structure for placing driving motor.The invention can load driving motor and structure and intensity meet the installation matching relationship with vehicle body, suspension system, realize motorcar electric rear-guard.
Description
Technical field
The invention belongs to automobile technical fields, and in particular to a kind of Rear secondary frame for vehicle.
Background technique
In automobile technical field, with the high speed development of auto industry, people to the performance requirement of automobile also increasingly
Height, 4 wheel driven automobile possess better favor of the handling, stability by more and more people, foot are arranged on automobile rear sub-frame
Enough big motors provide it is high-power goes to realize motorcar electric rear-guard, can make in this way automobile realize 4 wheel driven (front-wheel conventional ADS driving, after
Turbin generator driving or the driving of four-wheel pure electric vehicle) traveling.In the prior art, traditional power automobile primary will use gasoline or diesel oil
Engine, chassis system are designed mainly for conventional engines, are not related to the arrangement of driving motor, therefore Rear secondary frame for vehicle one
As be only responsible for support to suspension system.Automobile rear sub-frame will there are sufficiently large spaces to remove cloth centrally-mounted driving, ties simultaneously
Structure and intensity will also meet the installation matching relationship with vehicle body, suspension system, this is at the problem for realizing motorcar electric rear-guard.
Summary of the invention
The purpose of the present invention is to provide a kind of Rear secondary frame for vehicle, driving motor can be loaded and structure and intensity meet with
The installation matching relationship of vehicle body, suspension system realizes motorcar electric rear-guard.
To achieve the above object, the present invention takes following technical scheme: including front-axle beam, the back rest positioned opposite with front-axle beam,
The opposite ends of front-axle beam and the back rest are connected separately with stringer, are equipped with transition bracket between the front-axle beam and stringer, front-axle beam and vertical
Beam is connect with transition bracket respectively, and front-axle beam is lower than the back rest on vertical guide, and the front-axle beam, the back rest, stringer, transition bracket enclose
At the hollow frame structure for placing driving motor.
Transition bracket is equipped in above-mentioned technical proposal, between front-axle beam and stringer may be implemented transition connection, and transition bracket can
To reinforce the stability of entire Rear secondary frame for vehicle, transition bracket is that there is cuboid cast steel structure high intensity can share entire rear pair
The power that vehicle frame is born, cast steel structure machining accuracy with higher and welding performance are stable with front-axle beam, stringer to guarantee
It is cooperatively connected, front-axle beam, the back rest, stringer, transition bracket enclose hollow frame structure, and front-axle beam is lower than the back rest, knot on vertical guide
Allow Rear secondary frame for vehicle preferably to load driving motor on structure, and meets the matching relationship with vehicle body, suspension system.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is that the present invention with driving motor, suspension system is coupled schematic diagram.
Specific embodiment
The present invention is further illustrated combined with Figure 1 and Figure 2:
A kind of Rear secondary frame for vehicle, including front-axle beam 10, the back rest 20 positioned opposite with front-axle beam 10, front-axle beam 10 are corresponding with the back rest 20
Both ends are connected separately with stringer 30, and transition bracket 40 is equipped between the front-axle beam 10 and stringer 30, and transition bracket 40 is rectangular
Body cast steel structure, front-axle beam 10 are connect with transition bracket 40 respectively with stringer 30, and front-axle beam 10 is lower than the back rest 20 on vertical guide, described
Front-axle beam 10, the back rest 20, stringer 30, transition bracket 40 enclose the hollow frame structure for placing driving motor 1.Front-axle beam 10 and vertical
Transition bracket 40 is equipped between beam 30 may be implemented transition connection, and transition bracket 40 can reinforce the stabilization of entire Rear secondary frame for vehicle
Property, transition bracket 40 by cuboid cast steel structure there is high intensity can share the power that entire Rear secondary frame for vehicle is born, cast steel knot
Structure machining accuracy with higher and welding performance to guarantee the mating connection stable with front-axle beam 10, stringer 30, front-axle beam 10, after
Beam 20, stringer 30, transition bracket 40 enclose hollow frame structure, and front-axle beam 10 is lower than the back rest 20 on vertical guide, makes in structure
Driving motor 1 can preferably be loaded by obtaining Rear secondary frame for vehicle, and meet the matching relationship with vehicle body, suspension system 2.
The both ends in the vehicle commander direction of the transition bracket 40 are respectively equipped with the forward and backward through-hole to arrangement vertically, described
The vertical front through hole for passing through transition bracket 40 from bottom to up to pipeline section at the both ends of front-axle beam 10 is simultaneously connected thereto, the stringer 30
The vertical rear through-hole for passing through transition bracket 40 from top to bottom to pipeline section that extends downwardly of front end and be connected thereto, the front-axle beam
10 and stringer 30 be that steel tube bending forms.Transition bracket 40 connects front-axle beam 10 with about 30 transition of stringer, transition bracket
40, which are situated between, plays the role of reinforcement structure and has shared the active force born between the two, front-axle beam 10 and stringer
30 be that weight is relatively light while steel pipe meets structural strength, and syphon shape can be with the forward and backward through-hole on transition bracket 40
Preferably it is cooperatively connected.
The middle part of the transition bracket 40 is respectively provided with mounting hole 41, and the middle part of the back rest 20 is equipped with bracket 21, the peace
Dress hole 41 and bracket 21 constitute support unit for placing fixed driving motor 1.The satisfaction of mounting hole 41 is opened up on transition bracket 40
Play the role of loss of weight while assembly technology, and the line of centres of two mounting holes 41 and bracket 21 is triangular in shape, three
Stable supporting relation is formd for being fixedly connected with driving motor 1.
The lateral surface of the transition bracket 40 is connected with side arm 50, and side arm 50 is equipped with preceding connecting column 51, the back rest 20
Both ends are respectively provided with rear connecting column 22, and preceding connecting column 51 is equipped with resilient cushion with the end face of rear connecting column 22 and connect again with vehicle body.Transition
Bracket 40 is cuboid cast steel structure, and avris is smooth and has preferable welding performance to be connected with side arm 50, side arm 50
On preceding connecting column 51 and the back rest 20 on 22 middle line line of rear connecting column be rectangle the connection stable with vehicle body, and four
Upper surface is equipped with resilient cushion and plays damping effect.
The mounting bracket 31 of oblique upper protrusion outward is respectively equipped on the stringer 30, mounting bracket 31 is used for and hangs
Frame system 2 is connected.Stringer 30 is equipped with the mounting bracket 31 for being disposed with through-hole, and bolt passes through through-hole for suspension system 2 and installation
Bracket 31 is fastenedly connected, and oblique upper protrusion is suitably connect mounting bracket 31 with suspension system 2 outward, and installing and dismounting is outstanding
Frame system 2 is more convenient in the outer part.
The transition bracket 40 is that cuboid box is box-like, front and back two of the cavity on 40 vehicle commander direction of transition bracket
End.Transition bracket 40, which is set as chamber shape for cuboid cast steel structure, can meet the performance requirements such as hardness, intensity, and cavity plays
Loss of weight effect.
The front-axle beam 10, the back rest 20, stringer 30, transition bracket 40 pass through welded connecting.Using welding so that front-axle beam 10,
The back-auxiliary cycle frame structure that the back rest 20, stringer 30, transition bracket 40 connect is more stable.
Claims (5)
1. a kind of Rear secondary frame for vehicle, including front-axle beam (10), the back rest (20) positioned opposite with front-axle beam (10), front-axle beam (10) and the back rest
(20) opposite ends are connected separately with stringer (30), it is characterised in that: are equipped between the front-axle beam (10) and stringer (30)
Transition bracket (40), transition bracket (40) are cuboid cast steel structure, front-axle beam (10) and stringer (30) respectively with transition bracket
(40) it connects, front-axle beam (10) is lower than the back rest (20) on vertical guide, the front-axle beam (10), the back rest (20), stringer (30), transition
Bracket (40) encloses the hollow frame structure for placing driving motor (1)；
It is respectively provided with mounting hole (41) in the middle part of the transition bracket (40), the middle part of the back rest (20) is equipped with bracket (21), described
Mounting hole (41) and bracket (21) constitute support unit for placing fixed driving motor (1)；
The both ends in the vehicle commander direction of the transition bracket (40) are respectively equipped with the forward and backward through-hole to arrangement vertically, before described
The vertical front through hole for passing through transition bracket (40) from bottom to up to pipeline section at the both ends of beam (10) is simultaneously connected thereto, the stringer
(30) the vertical rear through-hole for passing through transition bracket (40) from top to bottom to pipeline section that front end extends downwardly simultaneously is connected thereto, described
Front-axle beam (10) and stringer (30) be that steel tube bending forms.
2. Rear secondary frame for vehicle according to claim 1, it is characterised in that: the lateral surface of the transition bracket (40) is connected with
Side arm (50), side arm (50) are equipped with preceding connecting column (51), and the both ends of the back rest (20) are respectively provided with rear connecting column (22), preceding connecting column
(51) resilient cushion is equipped with the end face of rear connecting column (22) to connect with vehicle body again.
3. Rear secondary frame for vehicle according to claim 1, it is characterised in that: be respectively equipped with outside skew back on the stringer (30)
The mounting bracket (31) of top protrusion, mounting bracket (31) are used to be connected with suspension system (2).
4. Rear secondary frame for vehicle according to claim 1, it is characterised in that: the transition bracket (40) is cuboid chamber
Shape, rear and front end of the cavity on transition bracket (40) vehicle commander direction.
5. Rear secondary frame for vehicle according to claim 1, it is characterised in that: the front-axle beam (10), the back rest (20), stringer
(30), transition bracket (40) passes through welded connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191823.2A CN106627765B (en) | 2016-12-21 | 2016-12-21 | Rear secondary frame for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191823.2A CN106627765B (en) | 2016-12-21 | 2016-12-21 | Rear secondary frame for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106627765A CN106627765A (en) | 2017-05-10 |
| CN106627765B true CN106627765B (en) | 2019-06-14 |
Family
ID=58833481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611191823.2A Active CN106627765B (en) | 2016-12-21 | 2016-12-21 | Rear secondary frame for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106627765B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713773A (en) * | 2022-04-11 | 2022-07-08 | 宁波百宏模具有限公司 | Core structure of automobile rear auxiliary frame machining die |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07315245A (en) * | 1994-05-26 | 1995-12-05 | Toyota Motor Corp | Rear suspension sub-frame for automobile |
| DE10260529A1 (en) * | 2002-12-21 | 2004-07-15 | Volkswagen Ag | Auxiliary frame for motor vehicle, has transverse and longitudinal bearers manufactured from pieces of tube by bending deformation with exclusively external force action and directly welded together |
| CN201105756Y (en) * | 2007-07-18 | 2008-08-27 | 奇瑞汽车股份有限公司 | Auxiliary car frame |
| DE102011012118A1 (en) * | 2011-02-23 | 2012-08-23 | Daimler Ag | Auxiliary frame i.e. integral supporter, for body of motor vehicle i.e. passenger car, has longitudinal support elements connected with transverse support elements that are welded with metal casting parts |
| CN103144673A (en) * | 2013-03-28 | 2013-06-12 | 长城汽车股份有限公司 | Auxiliary frame and automobile with same |
| CN105946972A (en) * | 2016-06-06 | 2016-09-21 | 中色科技股份有限公司 | Environment-friendly aluminum alloy automobile sub-frame |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ2008248A3 (en) * | 2007-04-24 | 2008-11-05 | Benteler Automobiltechnik Gmbh | Process for producing motor vehicle auxiliary frame as well as motor vehicle auxiliary frame per se |
| CN204020992U (en) * | 2014-07-18 | 2014-12-17 | 北京汽车股份有限公司 | A kind of electronlmobil Rear secondary frame for vehicle and electronlmobil |
-
2016
- 2016-12-21 CN CN201611191823.2A patent/CN106627765B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07315245A (en) * | 1994-05-26 | 1995-12-05 | Toyota Motor Corp | Rear suspension sub-frame for automobile |
| DE10260529A1 (en) * | 2002-12-21 | 2004-07-15 | Volkswagen Ag | Auxiliary frame for motor vehicle, has transverse and longitudinal bearers manufactured from pieces of tube by bending deformation with exclusively external force action and directly welded together |
| CN201105756Y (en) * | 2007-07-18 | 2008-08-27 | 奇瑞汽车股份有限公司 | Auxiliary car frame |
| DE102011012118A1 (en) * | 2011-02-23 | 2012-08-23 | Daimler Ag | Auxiliary frame i.e. integral supporter, for body of motor vehicle i.e. passenger car, has longitudinal support elements connected with transverse support elements that are welded with metal casting parts |
| CN103144673A (en) * | 2013-03-28 | 2013-06-12 | 长城汽车股份有限公司 | Auxiliary frame and automobile with same |
| CN105946972A (en) * | 2016-06-06 | 2016-09-21 | 中色科技股份有限公司 | Environment-friendly aluminum alloy automobile sub-frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106627765A (en) | 2017-05-10 |
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