CN102350927B - Automobile towing-arm mounting seat structure of independent suspension and production method thereof - Google Patents
Automobile towing-arm mounting seat structure of independent suspension and production method thereof Download PDFInfo
- Publication number
- CN102350927B CN102350927B CN 201110201137 CN201110201137A CN102350927B CN 102350927 B CN102350927 B CN 102350927B CN 201110201137 CN201110201137 CN 201110201137 CN 201110201137 A CN201110201137 A CN 201110201137A CN 102350927 B CN102350927 B CN 102350927B
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- towing
- support plate
- arm bearing
- plate
- towing arm
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- 239000000725 suspension Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 238000003466 welding Methods 0.000 claims abstract description 27
- 229910000679 solder Inorganic materials 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000009826 distribution Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241000510097 Megalonaias nervosa Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2027—Floors or bottom sub-units in connection with other superstructure subunits the subunits being rear structures
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an automobile towing-arm mounting seat structure of an independent suspension and a production method thereof. The automobile towing-arm mounting seat structure comprises a towing-arm support base inner plate, a towing-arm support base outer plate and a bracket, wherein the bracket comprises an intermediate support bracket, one end of the intermediate support bracket is connected with a first support plate, the other end of the intermediate support plate is connected with a second support plate, and one side of the intermediate support plate is provided with a turned-over edge; the first support plate is connected with a sill inner plate, the intermediate support plate is connected with the towing-arm support base outer plate, the second support plate is sequentially connected with the towing-arm support base outer plate and the towing-arm support base inner plate, and the turned-over edge is sequentially connected with a rear longitudinal beam and a rear floor-plate front crossbeam. The production method comprises the following steps that: firstly, the towing-arm support base inner plate and the towing-arm support base outer plate are connected with each other in a welding way to form a welding subassembly after being welded with the bracket, the welding subassembly is welded with the rear longitudinal beam to form a rear longitudinal beam subassembly, and the rear longitudinal beam subassembly is respectively welded with the rear floor-plate front crossbeam connecting plate and the sill inner plate. By adopting the above structure, the strength of the towing-arm mounting seat structure can be improved, the towing-arm support base outer plate can be prevented from being torn, and the driving safety of the car can be guaranteed.
Description
Technical field
The present invention relates to automotive field, particularly a kind of automobile towing-arm mounting seat structure of independent suspension and preparation method thereof.
Background technology
Along with automobile is progressively come into ordinary citizen family, the applying working condition of automobile also becomes increasingly complex.Especially in some remote mountain areas, condition of road surface is relatively poor, and road is precipitous, rough and uneven in surface, gravel road, washboard road, rut road and road surface exist a large amount of road conditions such as exposed stone to exist in a large number through rain drop erosion.Automobile travels on these road surfaces, because possible turning to suddenly or emergency brake, thereby make automobile be subject to huge load.
Automobile with independent suspension, the towing arm on the suspension is installed on the vehicle body by the towing-arm mounting seat of vehicle body.In order to improve driving safety, particularly improve the safety of travelling on the relatively poor road surface of operating mode, automobile travels on abominable road surface or a tire is absorbed in pit as working as, and unexpected emergency braking, or hit bearing circle and emergency braking at descending, or wheel all will produce huge load when reaching projection or road curb, cause sometimes the sudden gross distortion of automobile component and destruction.
Existing towing arm attachment point structure can't be guaranteed the driving safety under the above-mentioned operating mode.
Summary of the invention
The purpose of the embodiment of the invention is the defective for above-mentioned prior art, and a kind of raising towing-arm mounting seat structure intensity is provided, and prevents that towing arm bearing outside plate from tearing, and guarantees the automobile towing-arm mounting seat structure of independent suspension of ride safety of automobile.
Another object of the present invention provides the method for making of automobile towing-arm mounting seat structure of independent suspension.
The technical scheme taked of the present invention is to achieve these goals:
A kind of automobile towing-arm mounting seat structure of independent suspension, the towing arm bearing inner panel and the towing arm bearing outside plate that comprise captive joint, it is characterized in that, also comprise support, support plate in the middle of described support comprises, support plate one end connects the first support plate in the middle of described, and the other end connects the second support plate with the first support plate opposite direction, and described middle support plate one side is provided with flange; Described the first support plate connects the threshold inner panel, and described middle support plate connects towing arm bearing outside plate, and described the second support plate connects described towing arm bearing outside plate and towing arm bearing inner panel successively, and described flange connects floor side member and rear floor front cross rail connecting panel successively.
Describedly be connected to welding.
Described the first support plate connects the threshold inner panel by a solder joint, support plate connects towing arm bearing outside plate by three solder joints in the middle of described, described the second support plate connects described towing arm bearing outside plate and towing arm bearing inner panel successively by two solder joints, and described flange connects floor side member and rear floor front cross rail connecting panel successively by two solder joints.
Described the first support plate, middle support plate, the second support plate and flange are structure as a whole.
Described support is " Z " font.
It is 250Mpa to 290Mpa material that described towing arm bearing inner and outer plates is selected yield strength, and it is 120Mpa to 160Mpa material that described support is selected yield strength.
Another technical scheme that the embodiment of the invention provides is: a kind of method for making of automobile towing-arm mounting seat structure of independent suspension, may further comprise the steps: at first towing arm bearing inner panel and the welding of towing arm bearing outside plate, form the welding branch unit again with behind the support welding, described welding branch unit and floor side member are welded to form the floor side member branch unit, described floor side member branch unit more respectively with rear floor front cross rail connecting panel and threshold inner plate welding.
Described towing arm bearing inner panel is connected 8 solder joints and connects with towing arm bearing outside plate; Be connected by 5 solder joints with described support again; Described welding branch unit is by 6 solder joints and floor side member welding; Described floor side member branch unit and rear floor front cross rail connecting panel are by 2 solder joints, and described floor side member branch unit is connected a solder joint and connects with the threshold inner panel.
Another preferred technical scheme that the embodiment of the invention provides is method for making, a kind of method for making of automobile towing-arm mounting seat structure of independent suspension, may further comprise the steps: at first towing arm bearing inner panel is connected 8 solder joints with towing arm bearing outside plate and connects, middle support plate is connected 3 solder joints connects with towing arm bearing outside plate again, by two-layer weldering the second support plate is welded towing arm bearing outside plates and towing arm bearing inner panel by two solder joints, by two-layer weldering flange is connected floor side member and rear floor front cross rail connecting panel successively by two solder joints again, connect successively the first support plate and threshold inner panel by a solder joint at last.
The present invention is applicable to the automobile with independent suspension, has the following advantages:
1, towing arm bearing inner and outer plates selection yield strength is 250Mpa to 290Mpa material, and it is 120Mpa to 160Mpa material that " Z " font support is selected yield strength, the easy punch forming of parts.Select more high-intensity material can not change the distribution of stress of whole towing arm bearing.Can cause on the contrary the punch forming difficulty, and increase cost.
2, " Z " font support of the anterior design of bearing is connected with body sill the towing arm bearing respectively with floor side member, and the suffered X-direction power of towing arm bearing is passed to respectively on threshold and the floor, improves the stressed distribution of towing arm bearing.Effectively prevent towing arm bearing outside plate Cracking Failure, guaranteed ride safety of automobile.
3, because the towing arm layout is not fully along the automobile directions X, with directions X certain angle is arranged, support is near a welding of middle part, floor one side design flange, then the end near threshold is welded on the threshold inner panel, when the towing arm Bearing Seat Force, support forms the pulling force of a Y-direction to the towing arm bearing, reduce the towing arm bearing and cause the towing arm bearing inwardly to rotate the situation that the towing arm bearing is torn around car load system of axes Z-direction because X-direction power is decomposed, thereby prevent that effectively towing arm bearing outside plate from tearing inefficacy, guaranteed ride safety of automobile.
Description of drawings
Fig. 1 is the automobile towing-arm mounting seat structure of independent suspension schematic diagram that the embodiment of the invention provides;
Fig. 2 is the decomposing schematic representation of Fig. 1;
Fig. 3 is the supporting structure schematic diagram that the embodiment of the invention provides.
Among the figure:
1 threshold inner panel, 2 towing arm bearing inner panels, 3 towing arm bearing outside plates, 4 floor side members, 5 supports, 5.0 middle support plates, 5.1 first support plates, 5.2 second support plates, 5.3 flange, 6 rear floor front cross rail connecting panels, 7 solder joints.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of automobile towing-arm mounting seat structure of independent suspension, the towing arm bearing inner panel 2 and the towing arm bearing outside plate 3 that comprise captive joint, also comprise support 5, support plate 5.0 in the middle of support 5 comprises, middle support plate 5.0 1 ends connect the first support plate 5.1, and the other end connects the second support plate 5.2 with the first support plate 5.1 opposite directions, and middle support plate 5.0 1 sides are provided with flange 5.3; The first support plate 5.1 connects threshold inner panel 1, and middle support plate 5.0 connects towing arm bearing outside plate 3, the second support plates 5.2 and connects successively towing arm bearing outside plate 3 and towing arm bearing inner panel 2, and flange 5.3 connects floor side member 4 and rear floor front cross rail connecting panel 6 successively.
The embodiment of the invention passes to respectively on threshold and the floor the suffered X-direction power of towing arm bearing by increasing a support, improves the stressed distribution of towing arm bearing.Prevent that effectively towing arm bearing outside plate from tearing inefficacy, improve towing-arm mounting seat structure intensity, guarantee ride safety of automobile.
Referring to Fig. 1 and Fig. 3, connection among the present invention is welding, the first support plate 5.1 connects threshold inner panel 1 by a solder joint 77, middle support plate 5.0 connects towing arm bearing outside plate 3 by three solder joints 7, the second support plate 5.2 connects towing arm bearing outside plate 3 and towing arm bearing inner panel 2 successively by two solder joints 7, and flange 5.3 connects floor side member 4 and rear floor front cross rail connecting panel 6 successively by two solder joints 7 successively.
In order to reach better stiffening effect and to be convenient to processing, referring to Fig. 3, support 1 adopts the integrated punching moulding, and namely the first support plate 5.1, middle support plate 5.0, the second support plate 5.2 and flange 5.3 are structure as a whole.Support 1 outer appearnce is like " Z " font.
Referring to Fig. 1, the method for making of a kind of automobile towing-arm mounting seat structure of independent suspension of the present invention, may further comprise the steps: at first towing arm bearing inner panel 2 and 3 welding of towing arm bearing outside plate, form the welding branch unit again with after support 5 welding, described welding branch unit and floor side member 4 are welded to form the floor side member branch unit, and described floor side member branch unit welds with rear floor front cross rail connecting panel 6 and threshold inner panel 1 respectively again.
Wherein, towing arm bearing inner panel 2 is connected with towing arm bearing outside plate by 7 connections of 8 solder joints; Be connected by 5 solder joints 7 with support 5 again; Described welding branch unit is by 6 solder joints 7 and floor side member 4 welding; Described floor side member branch unit and rear floor front cross rail connecting panel 6 are by 2 solder joints 7, and described floor side member branch unit is connected with the threshold inner panel by a solder joint 7 connections.
It is 250Mpa to 290Mpa material that towing arm bearing inner and outer plates of the present invention is selected yield strength, and it is 120Mpa to 160Mpa material that described support is selected yield strength.Select the material in this scope, the easy punch forming of parts selects more high-intensity material can not change the distribution of stress of whole towing arm bearing.Can cause on the contrary the punch forming difficulty, and increase cost.
Referring to Fig. 2, the method for making of automobile towing-arm mounting seat structure of independent suspension of the present invention, procedure of processing is as follows more specifically: at first towing arm bearing inner panel 2 and towing arm bearing outside plate 3 are welded by 8 solder joints 7, again middle support plate 5.0 and towing arm bearing outside plate 3 are welded by 3 solder joints 7, by two-layer weldering the second support plate 5.2 is connected towing arm bearing outside plate 3 and towing arm bearing inner panel 2 successively by two solder joints 7, by two-layer weldering flange 5.3 is connected floor side member 4 and rear floor front cross rail connecting panel 6 successively by two solder joints 7, connect the first support plate 5.1 and threshold inner panel 1 by a solder joint 7 at last.
The present invention is applicable to have the automobile of independent suspension, and the towing arm on the suspension is installed on the vehicle body by the towing-arm mounting seat of vehicle body.In order to improve driving safety, the particularly safety in the relatively poor situation of operating mode, automobile travels on abominable road surface or a tire is absorbed in pit as working as, and unexpected emergency braking, or hit bearing circle and emergency braking at descending, or wheel all will produce huge load when reaching projection or road curb, cause sometimes the sudden gross distortion of automobile component and destruction.The present invention passes through automotive towing arm force analysis herein, and structure reasonable in design is selected suitable material, the stressed concentration degree of change structure to bearing.By the analysis showed that, towing arm mainly is subjected to the longitudinal force of automobile directions X at the towing-arm mounting seat place.During structure design, by designing " Z " font supporting structure, simultaneously the towing arm bearing is connected with floor side member with body sill, make it share more X-direction power, transmit on threshold and floor, anterior " Z " font support of bearing makes bearing be connected with the body sill inner panel simultaneously, prevent that bearing is around the Z-direction rotation of car load system of axes, alleviate the stressed load of mount pad, thereby reduce the bearing cracking risk, significantly avoid traffic accidents.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. automobile towing-arm mounting seat structure of independent suspension, the towing arm bearing inner panel and the towing arm bearing outside plate that comprise captive joint, it is characterized in that, also comprise support, support plate in the middle of described support comprises, support plate one end connects the first support plate in the middle of described, and the other end connects the second support plate with the first support plate opposite direction, and described middle support plate one side is provided with flange; Described the first support plate connects the threshold inner panel, and described middle support plate connects towing arm bearing outside plate, and described the second support plate connects described towing arm bearing outside plate and towing arm bearing inner panel successively, and described flange connects floor side member and rear floor front cross rail connecting panel successively;
Described the first support plate, middle support plate, the second support plate and flange are structure as a whole;
Described support is " Z " font.
2. automobile towing-arm mounting seat structure of independent suspension according to claim 1 is characterized in that, describedly is connected to welding.
3. automobile towing-arm mounting seat structure of independent suspension according to claim 2, it is characterized in that, described the first support plate connects the threshold inner panel by a solder joint, support plate connects towing arm bearing outside plate by three solder joints in the middle of described, described the second support plate connects described towing arm bearing outside plate and towing arm bearing inner panel successively by two solder joints, and described flange connects floor side member and rear floor front cross rail connecting panel successively by two solder joints.
4. automobile towing-arm mounting seat structure of independent suspension according to claim 1 is characterized in that, it is 250Mpa to 290Mpa material that described towing arm bearing inner and outer plates is selected yield strength, and it is 120Mpa to 160Mpa material that described support is selected yield strength.
5. the method for making of an automobile towing-arm mounting seat structure of independent suspension claimed in claim 1, it is characterized in that, may further comprise the steps: at first towing arm bearing inner panel and the welding of towing arm bearing outside plate, form the welding branch unit again with behind the support welding, described welding branch unit and floor side member are welded to form the floor side member branch unit, described floor side member branch unit more respectively with rear floor front cross rail connecting panel and threshold inner plate welding.
6. method for making according to claim 5 is characterized in that, described towing arm bearing inner panel is connected 8 solder joints and connects with towing arm bearing outside plate; Be connected by 5 solder joints with described support again; Described welding branch unit is by 6 solder joints and floor side member welding; Described floor side member branch unit and rear floor front cross rail connecting panel are by 2 solder joints, and described floor side member branch unit is connected 1 solder joint and connects with the threshold inner panel.
7. method for making according to claim 5, it is characterized in that, may further comprise the steps: at first towing arm bearing inner panel is connected 8 solder joints with towing arm bearing outside plate and connects, middle support plate is connected 3 solder joints connects with towing arm bearing outside plate again, by two-layer weldering the second support plate is welded towing arm bearing outside plates and towing arm bearing inner panel by two solder joints, by two-layer weldering flange is connected floor side member and rear floor front cross rail connecting panel successively by two solder joints again, connect successively the first support plate and threshold inner panel by a solder joint at last.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110201137 CN102350927B (en) | 2011-07-18 | 2011-07-18 | Automobile towing-arm mounting seat structure of independent suspension and production method thereof |
| PCT/CN2012/076068 WO2013010403A1 (en) | 2011-07-18 | 2012-05-25 | Trailing arm mounting base structure for vehicle with independent suspension and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110201137 CN102350927B (en) | 2011-07-18 | 2011-07-18 | Automobile towing-arm mounting seat structure of independent suspension and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102350927A CN102350927A (en) | 2012-02-15 |
| CN102350927B true CN102350927B (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110201137 Expired - Fee Related CN102350927B (en) | 2011-07-18 | 2011-07-18 | Automobile towing-arm mounting seat structure of independent suspension and production method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102350927B (en) |
| WO (1) | WO2013010403A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350927B (en) * | 2011-07-18 | 2013-03-06 | 奇瑞汽车股份有限公司 | Automobile towing-arm mounting seat structure of independent suspension and production method thereof |
| CN103770839B (en) * | 2012-10-25 | 2016-06-01 | 重庆长安汽车股份有限公司 | A kind of automobile rear-swing arm |
| CN102991292B (en) * | 2012-11-29 | 2015-11-25 | 浙江吉利汽车研究院有限公司杭州分公司 | A kind of seat assembly of independent rear suspension of self-supporting body |
| CN103241084B (en) * | 2013-05-07 | 2015-05-13 | 浙江天瑞汽车零部件有限公司 | Automobile suspension support arm and production method thereof |
| CN111688815B (en) * | 2020-06-22 | 2022-08-26 | 东风柳州汽车有限公司 | Support piece, vehicle body structure and vehicle |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3111761B2 (en) * | 1993-07-27 | 2000-11-27 | 日産自動車株式会社 | Trailing arm support structure |
| JP4346317B2 (en) * | 2003-01-16 | 2009-10-21 | 富士重工業株式会社 | Auto body front structure |
| DE102004010699B4 (en) * | 2003-03-06 | 2020-01-23 | Mitsubishi Jidosha Kogyo K.K. | Suspension mounting device |
| CN2651066Y (en) * | 2003-10-16 | 2004-10-27 | 上汽集团奇瑞汽车有限公司 | Rear drag arm |
| EP1707409B1 (en) * | 2005-03-31 | 2009-12-02 | Mazda Motor Corporation | Torsion beam type rear suspension |
| JP4431079B2 (en) * | 2005-05-10 | 2010-03-10 | 本田技研工業株式会社 | Auto body structure |
| DE102007047402B3 (en) * | 2007-10-04 | 2008-10-09 | Daimler Ag | Axle box arrangement for motor vehicle rear axle, has bearing bracket arranged in intermediate space between bearing section of rear side member and opposite end section of door sill, where bracket is fastened to fastening points at member |
| KR100844695B1 (en) * | 2007-10-23 | 2008-07-07 | 현대자동차주식회사 | Trailing arm mounting portion structure of vehicle |
| CN101284487B (en) * | 2008-04-29 | 2011-09-21 | 奇瑞汽车股份有限公司 | Torsion girder-like rear suspension |
| CN101293468A (en) * | 2008-06-13 | 2008-10-29 | 上海众力汽车部件有限公司 | Welding process for rear overhang rack |
| KR101121898B1 (en) * | 2009-02-25 | 2012-03-19 | 현대제철 주식회사 | Tortion Beam Axle for Vehicle |
| CN201604489U (en) * | 2010-01-28 | 2010-10-13 | 宁波跃进汽车前桥有限公司 | Rear bracketarm structure of automobile suspension |
| CN102350927B (en) * | 2011-07-18 | 2013-03-06 | 奇瑞汽车股份有限公司 | Automobile towing-arm mounting seat structure of independent suspension and production method thereof |
-
2011
- 2011-07-18 CN CN 201110201137 patent/CN102350927B/en not_active Expired - Fee Related
-
2012
- 2012-05-25 WO PCT/CN2012/076068 patent/WO2013010403A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013010403A1 (en) | 2013-01-24 |
| CN102350927A (en) | 2012-02-15 |
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Granted publication date: 20130306 |