CN107839460B - Automobile front and rear suspension arrangement scheme - Google Patents
Automobile front and rear suspension arrangement scheme Download PDFInfo
- Publication number
- CN107839460B CN107839460B CN201710999847.9A CN201710999847A CN107839460B CN 107839460 B CN107839460 B CN 107839460B CN 201710999847 A CN201710999847 A CN 201710999847A CN 107839460 B CN107839460 B CN 107839460B
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- rear suspension
- shock absorber
- mounting bracket
- auxiliary frame
- mounting
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- 239000000725 suspension Substances 0.000 title claims abstract description 141
- 230000035939 shock Effects 0.000 claims abstract description 74
- 239000006096 absorbing agent Substances 0.000 claims abstract description 72
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000000670 limiting effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
-
- 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
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/125—Telescopic supports, e.g. telescopic dampers
Abstract
The invention provides an arrangement scheme of front and rear suspensions of an automobile, which is used for fixing an engine and a transmission and comprises a shock absorber, a rear suspension and an auxiliary frame, wherein one end of the shock absorber is connected to the front end of the auxiliary frame, and the other end of the shock absorber is connected to the engine; one end of the rear suspension is mounted on one side of the rear end of the auxiliary frame, and the other end of the rear suspension is connected to the gearbox; the shock absorber and the rear suspension are arranged at the front end and the rear end of the auxiliary frame in a staggered mode. The invention realizes the free adjustment of the front suspension and the rear suspension at the Y-direction installation position of the automobile by combining the traditional shock absorber and the traditional pull rod type suspension, achieves the purpose of keeping the arrangement position of the rear suspension away from a heat source, and can prolong the service life of the rubber part of the rear suspension; meanwhile, the shock absorber is used as the front suspension, so that the shock absorption and limiting effects can be achieved, the reliability of the rear suspension is improved, and the requirement of a large-torque engine can be met.
Description
Technical Field
The invention relates to the field of automobile power assemblies, in particular to a four-point type suspension system for fixing a power assembly, and more particularly relates to a front and rear suspension arrangement scheme of an automobile.
Background
When the torque of the engine is large, a four-point suspension system is generally selected. The suspension system based on the TRA axle arrangement theory can arrange left and right suspensions on left and right longitudinal beams, front and rear suspensions can be connected with an auxiliary frame or installed on a small longitudinal beam, and are respectively connected with an engine and a gearbox through corresponding suspension supports, and the suspension system realizes the function of supporting a power assembly through the connection mode.
Part of the engine exhaust is at the rear of the engine compartment, which results in excessive engine compartment temperatures and can affect the durability of the suspension rubber. The rear suspension may need to be arranged to one side of the engine compartment due to temperature fields, mounting point locations, boundary data. In this case, when it is necessary to move the mounting position of the rear suspension due to a temperature field problem or the like, the conventional technology generally needs to consider whether the mounting points of the transmission and the sub-frame are appropriate or not, and is affected by boundary data, so that it is eventually impossible to move the rear suspension to a position away from the heat source, or even if the rear suspension can be moved to a position away from the heat source, a layout scheme is implemented at a high cost, and man-hours and processes are increased.
Disclosure of Invention
The invention aims to provide a front-rear suspension arrangement scheme, which aims to solve the problems that the conventional rear suspension cannot be moved to a position far away from a heat source or even if the rear suspension can be moved, the working procedure is complicated, the working hours are consumed, and the cost is increased, and the service life of a rear suspension cushion assembly is prolonged.
The technical scheme adopted by the invention is as follows: a front and rear suspension arrangement scheme of an automobile is used for fixing an engine and a transmission and is characterized by comprising a shock absorber, a rear suspension and an auxiliary frame, wherein one end of the shock absorber is connected to the front end of the auxiliary frame, and the other end of the shock absorber is connected to the engine; one end of the rear suspension is connected to one side of the rear end of the auxiliary frame, and the other end of the rear suspension is connected to the gearbox; the shock absorber and the rear suspension are arranged at the front end and the rear end of the auxiliary frame in a staggered mode. The rear suspension here is a rear drawbar suspension. By using the combined front and rear suspension scheme, the rear suspension can be far away from the three-way catalyst of the engine in the environment with higher temperature, so that the service life of the rear suspension cushion assembly is prolonged; meanwhile, the X-direction displacement of the power assembly is limited by means of the damping characteristic of the shock absorber and the rear pull rod type suspension.
Furthermore, one end of the rear suspension is a rear suspension large end, the other end of the rear suspension is a rear suspension small end, the rear suspension large end is installed on one side of the rear end of the auxiliary frame through a first mounting bracket of the rear suspension large end and a second mounting bracket of the rear suspension large end, and the rear suspension small end is installed on the gearbox through a mounting bracket of the rear suspension small end. The rigidity and the strength of the connection between the rear suspension and the gearbox are improved through the mounting bracket, and the double-bracket structure of the large end of the rear suspension can form powerful support for the rear suspension and the gearbox. The three installing support material of this department is SPHC, is very common panel beating material, and the welding position and the shape that the first installing support of back suspension main aspects and back suspension main aspects second installing support were reserved according to sub vehicle frame design corresponding face of weld, reasonable in design, the degree of adaptability is high.
Furthermore, the rear suspension large-end first mounting bracket and the rear suspension large-end second mounting bracket are both provided with welding surfaces and mounting holes, the two welding surfaces are respectively welded on two adjacent edges on one side of the rear end of the auxiliary frame, and the two mounting holes are ensured to be symmetrically arranged; the rear suspension large end is fixed between the rear suspension large end first mounting bracket and the rear suspension large end second mounting bracket through two mounting holes by bolts and nuts; the rear suspension small end mounting bracket is Z-shaped and is provided with a mounting hole, and the rear suspension small end is mounted on the gearbox through the mounting hole by utilizing a bolt and a nut. Specifically, the welding surface of the first mounting bracket at the large end of the rear suspension is welded on the X-direction edge at the rear end of the auxiliary frame, and the welding surface of the second mounting bracket at the large end of the rear suspension is welded on the Y-direction edge at the rear end of the auxiliary frame; the Z-shaped rear suspension small end mounting bracket is universal, and secondary design is not needed when the mounting position of the rear suspension is adjusted, so that the research and development period and the design period are shortened, and the cost is reduced.
Furthermore, the number of the mounting holes of the rear suspension small end mounting bracket is two, and the mounting holes are respectively used for mounting the rear suspension small end and the gearbox. Simple structure, simple to operate, firm in connection.
Furthermore, one end of the shock absorber is connected with the engine through a first shock absorber mounting bracket, and the other end of the shock absorber is mounted at the front end of the auxiliary frame through a second shock absorber mounting bracket. The rigidity and the strength of the connection between the shock absorber and the engine are improved through the mounting bracket, and the durability is stronger. The material of choice for the two mounting brackets here is also SPHC.
Furthermore, the first shock absorber mounting bracket and the second shock absorber mounting bracket are both of a U-shaped structure and are provided with mounting holes, two ends of the shock absorber are respectively connected with one end of the first shock absorber mounting bracket and one end of the second shock absorber mounting bracket through the mounting holes by bolts and nuts, and the other ends of the first shock absorber mounting bracket and the second shock absorber mounting bracket are respectively connected with the engine and the auxiliary frame through the mounting holes by bolts. The first mounting bracket of shock absorber and shock absorber second mounting bracket are "U" type support, and the position of mounting hole is different only, "U" type structural firmness is strong, can realize the powerful support to shock absorber and engine.
Furthermore, the number of the mounting holes of the first mounting bracket and the second mounting bracket of the shock absorber is three, the mounting holes are respectively arranged on each plane of the U-shaped structure, and the mounting holes on the opposite planes of the U-shaped structure are symmetrically arranged. Specifically, two symmetrical mounting holes on the U-shaped structures of the first shock absorber mounting bracket and the second shock absorber mounting bracket are used for facilitating connection of the shock absorbers through bolts and nuts, and the other mounting hole is used for connecting the engine and the auxiliary frame respectively.
According to the automobile front and rear suspension arrangement scheme, the Y-direction installation position of the front and rear suspensions in the automobile is freely adjusted by combining the traditional shock absorber and the traditional pull rod type suspension, so that the purpose of keeping the arrangement position of the rear suspension away from a heat source is achieved, and the service life of the rubber part of the rear suspension can be prolonged; meanwhile, the shock absorber is used as the front suspension, so that the shock absorption and limiting effects can be achieved, the reliability of the rear suspension is improved, and the requirement of a large-torque engine can be met.
Drawings
Fig. 1 is a schematic view of the front and rear suspension arrangement of the automobile of the present invention.
FIG. 2 is a right side view of the rear suspension and shock absorber of the present invention.
FIG. 3 is a top view of the rear suspension and shock absorber of the present invention.
FIG. 4 is a rear view of the rear suspension and shock absorber of the present invention.
FIG. 5 is a top view of the rear suspension big end first mounting bracket and the rear suspension big end second mounting bracket of the present invention.
FIG. 6 is a front view of the rear suspension small end mounting bracket of the present invention.
FIG. 7 is a left side view of the rear suspension small end mounting bracket of the present invention
The figures are numbered:
1. a first mounting bracket of the shock absorber; 2. a shock absorber; 3. a second mounting bracket of the shock absorber; 4. rear suspension; 5. a rear suspension small end mounting bracket; 6. an auxiliary frame; 7. a rear suspension large-end first mounting bracket; 8. and the rear suspension large-end second mounting bracket.
Detailed Description
The following describes embodiments of the present invention, such as shapes and structures of respective members, mutual positions and connection relationships between respective portions, and actions and operation principles of the respective portions, in further detail, with reference to the accompanying drawings.
Example 1:
as shown in FIG. 1, the arrangement scheme of the front and rear suspensions of the automobile comprises a shock absorber 2, a rear suspension 4 and an auxiliary frame 6, wherein one end of the shock absorber 2 is connected with an engine through a U-shaped shock absorber first mounting bracket 1, and the other end of the shock absorber 2 is mounted at the front end of the auxiliary frame 6 through a U-shaped shock absorber second mounting bracket 3; the one end of rear suspension 4 is the rear suspension main aspects, and the other end is the rear suspension tip, and the rear suspension main aspects is installed in the rear end one side of sub vehicle frame 6 through the first installing support 7 of rear suspension main aspects and rear suspension main aspects second installing support 8, and the rear suspension tip is installed on the gearbox through rear suspension tip installing support 5. The shock absorber 2 and the rear suspension 4 are arranged at the front end and the rear end of the auxiliary frame 6 in a staggered manner, and the rear suspension 4 is arranged at the left lower side of the auxiliary frame 6 far away from the three-way catalyst, so that the service life of the rear suspension cushion assembly is prolonged; and simultaneously, the X-direction displacement of the power assembly is limited by the damping characteristic of the shock absorber 2. Specifically, the rear suspension 4 is a rear pull rod type suspension, and the shock absorber 2 can select a shock absorber with a corresponding stroke according to different requirements.
As shown in fig. 2, 3 and 4, each plane of the first shock absorber mounting bracket 1 and the second shock absorber mounting bracket 3 of the "U" shape is provided with three mounting holes, and the mounting holes on the opposite planes of the "U" shape are symmetrically arranged for connecting the shock absorbers by bolts and nuts, the other mounting hole of the first shock absorber mounting bracket 1 is used for connecting an engine, and the other mounting hole of the second shock absorber mounting bracket 3 is used for connecting a subframe 6. The first mounting bracket 1 of shock absorber and the second mounting bracket 3 of shock absorber are "U" type support, and the position of mounting hole is different only, "U" type structural firmness is strong, can realize the powerful support to shock absorber 2 and engine.
As shown in fig. 2, 3, 4 and 5, the first mounting bracket 7 of the rear suspension big end and the second mounting bracket 8 of the rear suspension big end are both provided with welding surfaces and mounting holes, the two welding surfaces are respectively welded on two adjacent edges on one side of the rear end of the auxiliary frame 6, and two mounting holes are symmetrically arranged to fix the rear suspension big end through bolts and nuts. As shown in fig. 6 and 7, the rear suspension small end mounting bracket 5 is Z-shaped and is provided with two mounting holes, one of which is used for mounting the rear suspension small end, and the other is used for mounting the gearbox. Among the above-mentioned, the welding position and the shape that rear suspension main aspects first installing support 7 and rear suspension main aspects second installing support 8 reserved according to sub vehicle frame 6, the welding face that the design corresponds, reasonable in design, the degree of cooperation is high. The Z-shaped rear suspension small end mounting bracket 5 is universal, and secondary design is not needed when the mounting position of the rear suspension 4 is adjusted, so that the research and development period and the design period are shortened, and the cost is reduced.
The basic idea and the basic principle of the invention have been explained above by way of an introduction to the embodiments listed. The invention is in no way limited to the embodiments listed above. All equivalent changes, improvements, deliberate deteriorations and the like based on the technical scheme of the invention shall fall within the protection scope of the invention.
Claims (5)
1. A front and rear suspension arrangement scheme of an automobile is used for fixing an engine and a transmission and is characterized by comprising a shock absorber, a rear suspension and an auxiliary frame, wherein one end of the shock absorber is connected to the front end of the auxiliary frame, and the other end of the shock absorber is connected to the engine; one end of the rear suspension is connected to one side of the rear end of the auxiliary frame, and the other end of the rear suspension is connected to the gearbox; the shock absorber and the rear suspension are arranged at the front end and the rear end of the auxiliary frame in a staggered mode; one end of the rear suspension is a rear suspension large end, the other end of the rear suspension is a rear suspension small end, the rear suspension large end is installed on one side of the rear end of the auxiliary frame through a first rear suspension large end installation support and a second rear suspension large end installation support, and the rear suspension small end is installed on the gearbox through a rear suspension small end installation support; the rear suspension large-end first mounting bracket and the rear suspension large-end second mounting bracket are both provided with welding surfaces and mounting holes, the two welding surfaces are respectively welded on two adjacent edges on one side of the rear end of the auxiliary frame, and the two mounting holes are symmetrically arranged; the welding surface of the first mounting bracket at the large end of the rear suspension is welded on the X-direction edge at the rear end of the auxiliary frame, and the welding surface of the second mounting bracket at the large end of the rear suspension is welded on the Y-direction edge at the rear end of the auxiliary frame; the rear suspension large end is fixed between the rear suspension large end first mounting bracket and the rear suspension large end second mounting bracket through two mounting holes by bolts and nuts; the rear suspension small end mounting bracket is Z-shaped and is provided with a mounting hole, and the rear suspension small end is mounted on the gearbox through the mounting hole by utilizing a bolt and a nut.
2. The automotive front-rear suspension arrangement according to claim 1, wherein the number of mounting holes of the rear suspension small end mounting bracket is two, and the mounting holes are used for mounting the rear suspension small end and the gearbox respectively.
3. The front-rear suspension arrangement scheme of the automobile as claimed in claim 1, wherein one end of the shock absorber is connected with the engine through a first shock absorber mounting bracket, and the other end of the shock absorber is connected with the front end of the sub-frame through a second shock absorber mounting bracket.
4. The automobile front and rear suspension arrangement scheme according to claim 3, wherein the first shock absorber mounting bracket and the second shock absorber mounting bracket are both of a U-shaped structure and are provided with mounting holes, two ends of the shock absorber are respectively connected with one end of the first shock absorber mounting bracket and one end of the second shock absorber mounting bracket through the mounting holes by bolts and nuts, and the other end of the first shock absorber mounting bracket and the other end of the second shock absorber mounting bracket are respectively connected with an engine and a subframe through the mounting holes by bolts.
5. The front-rear suspension arrangement scheme of the automobile as claimed in claim 4, wherein the number of the mounting holes of the first shock absorber mounting bracket and the second shock absorber mounting bracket is three, the three mounting holes are respectively arranged on each plane of the U-shaped structure, and the mounting holes on the opposite planes of the U-shaped structure are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999847.9A CN107839460B (en) | 2017-10-24 | 2017-10-24 | Automobile front and rear suspension arrangement scheme |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999847.9A CN107839460B (en) | 2017-10-24 | 2017-10-24 | Automobile front and rear suspension arrangement scheme |
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| Publication Number | Publication Date |
|---|---|
| CN107839460A CN107839460A (en) | 2018-03-27 |
| CN107839460B true CN107839460B (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710999847.9A Active CN107839460B (en) | 2017-10-24 | 2017-10-24 | Automobile front and rear suspension arrangement scheme |
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| CN (1) | CN107839460B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109501574A (en) * | 2018-12-06 | 2019-03-22 | 浙江零跑科技有限公司 | A kind of automobile engine rear suspension pull rod |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2774889Y (en) * | 2005-02-01 | 2006-04-26 | 安徽江淮汽车股份有限公司 | Side frame of automobile |
| JP4930576B2 (en) * | 2009-02-27 | 2012-05-16 | 日産自動車株式会社 | Motor support structure |
| CN203198721U (en) * | 2013-04-03 | 2013-09-18 | 北京汽车股份有限公司 | Rear suspension bracket, engine suspension system and automobile |
| CN203402247U (en) * | 2013-07-16 | 2014-01-22 | 北京汽车股份有限公司 | Front auxiliary frame structure of automobile with engine with four suspensions, and automobile |
| CN204623144U (en) * | 2015-04-09 | 2015-09-09 | 上海通用汽车有限公司 | A kind of back stay and subframe assembly |
| CN204845499U (en) * | 2015-10-16 | 2015-12-09 | 众泰新能源汽车有限公司 | Electric automobile drive ystem installation structure |
| CN206125169U (en) * | 2016-10-08 | 2017-04-26 | 浙江吉利控股集团有限公司 | Structure of front auxiliary frame |
| CN107161217B (en) * | 2017-06-21 | 2020-07-03 | 奇瑞汽车股份有限公司 | Promote preceding sub vehicle frame reinforcing support structure of rear suspension mounting point rigidity |
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| CN107839460A (en) | 2018-03-27 |
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