CN102350927A - 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
- CN102350927A CN102350927A CN201110201137XA CN201110201137A CN102350927A CN 102350927 A CN102350927 A CN 102350927A CN 201110201137X A CN201110201137X A CN 201110201137XA CN 201110201137 A CN201110201137 A CN 201110201137A CN 102350927 A CN102350927 A CN 102350927A
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- towing arm
- support plate
- towing
- arm bearing
- plate
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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 independent suspension automobile towing arm mount pad structure and preparation method thereof.
Background technology
Along with automobile is progressively come into ordinary citizen family, the car opertion operating mode 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, corrugated 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 receive huge load.
Automobile with independent suspension, the towing arm on the suspension is installed on the vehicle body through the towing arm mount pad of vehicle body.In order to improve driving safety; Particularly improve the safety of on the relatively poor road surface of operating mode, travelling; 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 sudden gross distortion of automobile component and destruction sometimes.
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 to above-mentioned prior art, and a kind of raising towing arm mount pad structural strength is provided, and prevents to pull arm bearing outside plate and tears, and guarantees the independent suspension automobile towing arm mount pad structure of ride safety of automobile property.
Another object of the present invention provides the method for making of independent suspension automobile towing arm mount pad structure.
The technical scheme taked of the present invention is to achieve these goals:
A kind of independent suspension automobile towing arm mount pad structure; The towing arm bearing inner panel and towing arm bearing outside plate that comprise captive joint; It is characterized in that; Also comprise support; Support plate in the middle of said support comprises; Support plate one end connects first support plate in the middle of said, and the other end connects second support plate opposite with the first support plate direction, and said middle support plate one side is provided with flange; Said first support plate connects the threshold inner panel, and said middle support plate connects towing arm bearing outside plate, and said second support plate connects said towing arm bearing outside plate and towing arm bearing inner panel successively, and said flange connects floor side member and floor, back front cross rail connecting panel successively.
Saidly be connected to welding.
Said first support plate connects the threshold inner panel through a solder joint; Support plate connects towing arm bearing outside plate through three solder joints in the middle of said; Said second support plate connects said towing arm bearing outside plate and towing arm bearing inner panel successively through two solder joints, and said flange connects floor side member and floor, back front cross rail connecting panel successively through two solder joints.
Said first support plate, middle support plate, second support plate and flange are structure as a whole.
Said support is " Z " font.
It is 250Mpa to 290Mpa material that said towing arm bearing inner and outer plates is selected yield strength, and it is 120Mpa to 160Mpa material that said support is selected yield strength.
Another technical scheme that the embodiment of the invention provides is: a kind of method for making of independent suspension automobile towing arm mount pad structure; 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 with support welding back again; Said welding branch unit and floor side member are welded to form the floor side member branch unit, and said floor side member branch unit welds with back floor front cross rail connecting panel and threshold inner panel respectively again.
Said towing arm bearing inner panel is connected through 8 solder joints with towing arm bearing outside plate; Be connected through 5 solder joints with said support again; Said welding branch unit is through 6 solder joints and floor side member welding; Said floor side member branch unit passes through 2 solder joints with floor, back front cross rail connecting panel, and said floor side member branch unit is connected through a solder joint with the threshold inner panel.
Another optimized technical scheme that the embodiment of the invention provides is a preparation method; A kind of preparation method of independent suspension automobile towing arm mount pad structure; May further comprise the steps: at first towing arm bearing inner panel is connected by 8 solder joints with towing arm bearing outside plate; Again middle support plate is connected by 3 solder joints with towing arm bearing outside plate; By two-layer weldering second support plate is pulled arm bearing outside plates and towing arm bearing inner panel by two solder joint welding; By two-layer weldering flange is connected floor side member and floor, back front beam connecting plate successively by two solder joints again, connect first support plate and threshold inner panel successively by a solder joint at last.
The present invention is applicable to the automobile that has independent suspension, has the following advantages:
1, towing arm bearing inner and outer plates selection yield strength is 250Mpa to a 290Mpa material, and it is 120Mpa to 160Mpa material that " Z " font support is selected yield strength, the easy punch forming of parts.Select high-strength materials more can not change the distribution of stress of whole towing arm bearing.Can cause the punch forming difficulty on the contrary, and increase cost.
2, " Z " font support of the anterior design of bearing will pull the arm bearing respectively and be connected with floor side member with body sill, and the suffered X of towing arm bearing is passed to respectively on threshold and the floor to power, improve the stressed distribution of towing arm bearing.Effectively prevent towing arm bearing outside plate Cracking Failure, guaranteed ride safety of automobile property.
3, because the towing arm arranges not to be 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; End near threshold is welded on the threshold inner panel then; When towing arm bearing is stressed; Support to towing arm bearing form a Y to pulling force; Reduce towing arm bearing and cause pulling the situation that the arm bearing tears towing arm bearing around the inside rotation of car load system of axes Z-direction because X decomposes to power; Thereby effectively prevent to pull arm bearing outside plate and tear inefficacy, guaranteed ride safety of automobile property.
Description of drawings
Fig. 1 is the independent suspension automobile towing arm mount pad structural representation that the embodiment of the invention provides;
Fig. 2 is the decomposing schematic representation of Fig. 1;
Fig. 3 is the supporting structure scheme drawing 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, floor, 6 back front cross rail connecting panel, 7 solder joints.
The specific embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
Referring to Fig. 1; A kind of independent suspension automobile towing arm mount pad structure; The towing arm bearing inner panel 2 and 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 first support plate 5.1, and the other end connects second support plate 5.2 opposite with first support plate, 5.1 directions, and middle support plate 5.0 1 sides are provided with flange 5.3; 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 towing arm bearing outside plate 3 and towing arm bearing inner panel 2 successively, and flange 5.3 connects floor side member 4 and floor, back front cross rail connecting panel 6 successively.
The embodiment of the invention makes the suffered X of towing arm bearing pass to respectively on threshold and the floor to power through increasing a support, improves the stressed distribution of towing arm bearing.Effectively prevent to pull arm bearing outside plate and tear inefficacy, improve towing arm mount pad structural strength, guarantee ride safety of automobile property.
Referring to Fig. 1 and Fig. 3; Connection among the present invention is welding; First support plate 5.1 connects threshold inner panel 1 through a solder joint 77; Middle support plate 5.0 connects towing arm bearing outside plate 3 through three solder joints 7; Second support plate 5.2 connects towing arm bearing outside plate 3 and towing arm bearing inner panel 2 successively through two solder joints 7, and flange 5.3 connects floor side member 4 and floor, back front cross rail connecting panel 6 through two solder joints 7 successively 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 promptly first support plate 5.1, middle support plate 5.0, 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 independent suspension automobile towing of the present invention arm mount pad structure; 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 with support 5 welding backs again; Said welding branch unit and floor side member 4 are welded to form the floor side member branch unit, and said floor side member branch unit welds with floor, back front cross rail connecting panel 6 and threshold inner panel 1 respectively again.
Wherein, towing arm bearing inner panel 2 with pull arm bearing outside plate 3 and be connected through 8 solder joints 7; Be connected through 5 solder joints 7 with support 5 again; Said welding branch unit is through 6 solder joints 7 and floor side member 4 welding; Said floor side member branch unit passes through 2 solder joints 7 with floor, back front cross rail connecting panel 6, and said floor side member branch unit is connected through a solder joint 7 with threshold inner panel 1.
It is 250Mpa to 290Mpa material that the present invention pulls arm bearing inner and outer plates selection yield strength, and it is 120Mpa to 160Mpa material that said support is selected yield strength.Select the material in this scope, the easy punch forming of parts selects high-strength materials more can not change the distribution of stress of whole towing arm bearing.Can cause the punch forming difficulty on the contrary, and increase cost.
Referring to Fig. 2; The preparation method of independent suspension automobile towing arm mount pad structure of the present invention; Procedure of processing is following 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 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 floor, back front beam connecting plate 6 successively by two solder joints 7, connect first support plate 5.1 and threshold inner panel 1 by a solder joint 7 at last.
The present invention is applicable to the automobile with independent suspension, and the towing arm on the suspension is installed on the vehicle body through the towing arm mount pad of vehicle body.In order to improve driving safety; The particularly safety under 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 sudden gross distortion of automobile component and destruction sometimes.The present invention is through pulling arm force analysis herein to automobile, and structure reasonable in design is selected suitable material to bearing, changes the structure stress concentration degree.Show that through analysis the towing arm mainly is subjected to the longitudinal force of automobile directions X at towing arm mount pad place.During structure design; Through designing " Z " font supporting structure; To pull the arm bearing simultaneously is connected with floor side member with body sill; Make it share more X to power, on threshold and floor, transmit, anterior " Z " font support of bearing makes bearing be connected with the body sill inner panel simultaneously; Prevent the Z-direction rotation of bearing around the car load system of axes; Alleviate the stressed load of mount pad, thereby reduce bearing cracking risk, avoid the safety traffic accident significantly.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an independent suspension automobile pulls arm mount pad structure; The towing arm bearing inner panel and towing arm bearing outside plate that comprise captive joint; It is characterized in that; Also comprise support; Support plate in the middle of said support comprises; Support plate one end connects first support plate in the middle of said, and the other end connects second support plate opposite with the first support plate direction, and said middle support plate one side is provided with flange; Said first support plate connects the threshold inner panel, and said middle support plate connects towing arm bearing outside plate, and said second support plate connects said towing arm bearing outside plate and towing arm bearing inner panel successively, and said flange connects floor side member and floor, back front cross rail connecting panel successively.
2. independent suspension automobile according to claim 1 towing arm mount pad structure is characterized in that, saidly is connected to welding.
3. independent suspension automobile towing arm mount pad structure according to claim 2; It is characterized in that; Said first support plate connects the threshold inner panel through a solder joint; Support plate connects towing arm bearing outside plate through three solder joints in the middle of said; Said second support plate connects said towing arm bearing outside plate and towing arm bearing inner panel successively through two solder joints, and said flange connects floor side member and floor, back front cross rail connecting panel successively through two solder joints.
4. independent suspension automobile towing arm mount pad structure according to claim 1 is characterized in that said first support plate, middle support plate, second support plate and flange are structure as a whole.
5. according to claim 1 or 4 described independent suspension automobile towing arm mount pad structures, it is characterized in that said support is " Z " font.
6. according to claim 1 or 4 described independent suspension automobile towing arm mount pad structures, it is characterized in that it is 250Mpa to 290Mpa material that said towing arm bearing inner and outer plates is selected yield strength, it is 120Mpa to 160Mpa material that said support is selected yield strength.
7. the method for making of the described independent suspension automobile towing of a claim 1 arm mount pad structure; 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 with support welding back again; Said welding branch unit and floor side member are welded to form the floor side member branch unit, and said floor side member branch unit welds with back floor front cross rail connecting panel and threshold inner panel respectively again.
8. method for making according to claim 7 is characterized in that, said towing arm bearing inner panel is connected through 8 solder joints with towing arm bearing outside plate; Be connected through 5 solder joints with said support again; Said welding branch unit is through 6 solder joints and floor side member welding; Said floor side member branch unit passes through 2 solder joints with floor, back front cross rail connecting panel, and said floor side member branch unit is connected through a solder joint with the threshold inner panel.
9. method for making according to claim 7; It is characterized in that; May further comprise the steps: at first towing arm bearing inner panel is connected through 8 solder joints with towing arm bearing outside plate; Again middle support plate is connected through 3 solder joints with towing arm bearing outside plate; Through two-layer weldering second support plate is pulled arm bearing outside plates and towing arm bearing inner panel through two solder joint welding; Through two-layer weldering flange is connected floor side member and floor, back front cross rail connecting panel successively through two solder joints again, connect first support plate and threshold inner panel successively through 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 true CN102350927A (en) | 2012-02-15 |
| CN102350927B CN102350927B (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110201137 Active 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013010403A1 (en) * | 2011-07-18 | 2013-01-24 | 奇瑞汽车股份有限公司 | Trailing arm mounting base structure for vehicle with independent suspension and manufacturing method thereof |
| CN102991292A (en) * | 2012-11-29 | 2013-03-27 | 浙江吉利汽车研究院有限公司杭州分公司 | Independent rear suspension mounting base assembly for monocoque body |
| CN103241084A (en) * | 2013-05-07 | 2013-08-14 | 浙江天瑞汽车零部件有限公司 | Automobile suspension support arm and production method thereof |
| CN103770839A (en) * | 2012-10-25 | 2014-05-07 | 重庆长安汽车股份有限公司 | Rear oscillating arm of automobile |
| CN111688815A (en) * | 2020-06-22 | 2020-09-22 | 东风柳州汽车有限公司 | Support piece, vehicle body structure and vehicle |
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| CN2651066Y (en) * | 2003-10-16 | 2004-10-27 | 上汽集团奇瑞汽车有限公司 | Rear drag arm |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013010403A1 (en) * | 2011-07-18 | 2013-01-24 | 奇瑞汽车股份有限公司 | Trailing arm mounting base structure for vehicle with independent suspension and manufacturing method thereof |
| CN103770839A (en) * | 2012-10-25 | 2014-05-07 | 重庆长安汽车股份有限公司 | Rear oscillating arm of automobile |
| CN102991292A (en) * | 2012-11-29 | 2013-03-27 | 浙江吉利汽车研究院有限公司杭州分公司 | Independent rear suspension mounting base assembly for monocoque body |
| 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 |
| CN103241084A (en) * | 2013-05-07 | 2013-08-14 | 浙江天瑞汽车零部件有限公司 | Automobile suspension support arm and production method thereof |
| 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 |
| CN111688815A (en) * | 2020-06-22 | 2020-09-22 | 东风柳州汽车有限公司 | Support piece, vehicle body structure and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102350927B (en) | 2013-03-06 |
| WO2013010403A1 (en) | 2013-01-24 |
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