CN101863287B - Longitudinal beam structure - Google Patents

Longitudinal beam structure Download PDF

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Publication number
CN101863287B
CN101863287B CN2010102153751A CN201010215375A CN101863287B CN 101863287 B CN101863287 B CN 101863287B CN 2010102153751 A CN2010102153751 A CN 2010102153751A CN 201010215375 A CN201010215375 A CN 201010215375A CN 101863287 B CN101863287 B CN 101863287B
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Prior art keywords
longeron
external structure
additional strengthening
inner structure
reinforcement
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CN101863287A (en
Inventor
李太梅
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Chery Commercial Vehicle Anhui Co Ltd
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SAIC Chery Automobile Co Ltd
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Abstract

The invention relates to a longitudinal beam structure capable of improving the energy absorbing capacity of the longitudinal beam and reducing the deformation and energy absorption of a crew capsule. The longitudinal beam structure comprises an outer structure, an inner structure and a reinforcer fixed on the inner side or outer side of the longitudinal beam and vertical to the front collision direction. The reinforcer can be welded or connected to the longitudinal beam by bolts or rivets, and has small size so as to have little influence on the spacial arrangement requirement.

Description

A kind of girder work
Technical field
The present invention relates to a kind of girder work, be specifically related to a kind of front rail structure of compact car.
Background technology
Compact car machinery space space is more limited, how in this limited space, guarantee the favorably situated energy absorption ability that improves machinery space simultaneously particularly the energy absorption ability of main absorption cell front side member be the emphasis that we must consider when designing.The scheme that in the past improved energy absorption ability has following several: thereby 1, the size that reduces driving engine and change speed gear box increases the collision space; 2, increase longeron, brace panel and vehicle frame sectional dimension; 3, increase longeron, brace panel and vehicle frame material are thick.These three kinds of schemes can be improved energy absorption ability to a certain extent, but its limitation is also arranged.To first kind of scheme, in order to save cost, the engine mission form of same company is limited, and its inner structure complexity, and oad changes little, thereby it is limited to reduce the space; To second kind of scheme, because other part arrangement space requirement, the space of finally leaving longeron change cross section for is more limited; To the third scheme, lightweight is a motor trend, and reinforced this trend of thick violation needs careful use; And the main absorption cell of automobile engine nacelle is a front side member, and improving the front side member energy absorption ability has significance to reducing the occupant injury value.Take into account the space in the prior art, strengthening the energy absorption ability of front side member under the prerequisite of cost, improving the safety performance of automobile.
Summary of the invention
The object of the present invention is to provide a kind of front rail structure, under the situation that does not influence arrangement space substantially, improve the energy absorption ability of longeron, improve the safe class of automobile, thereby reduce the energy that is delivered to driving compartment, reduce the occupant injury value.
The technical solution used in the present invention provides a kind of girder work that improves energy absorption ability.Girder work comprises longeron inner structure, longeron external structure and is fixed on the longeron additional strengthening perpendicular to direction before the collision.
According to a preferred embodiment of the invention, described additional strengthening is a brace panel.
According to a preferred embodiment of the invention, described additional strengthening in longeron between plate structure and the external structure, can for solid also can hollow.
According to a preferred embodiment of the invention, described additional strengthening is only outside the longeron external structure.
According to a preferred embodiment of the invention, described additional strengthening is only in longeron outside the plate structure.
According to a preferred embodiment of the invention, described additional strengthening simultaneously the longeron external structure outside with the longeron inner structure outside.
According to a preferred embodiment of the invention, when described additional strengthening is outside the longeron external structure or outside the longeron inner structure, for effectively utilizing this additional strengthening, perpendicular to the size on the direction before the collision preferably less than 20mm.
According to a preferred embodiment of the invention, described additional strengthening is connected on the longeron by welding or bolted connection or riveted joint.
Concrete technical scheme is as follows:
A kind of girder work, described girder work is the front rail structure that is used for machinery space, comprise longeron inner structure, longeron external structure and longeron additional strengthening, between described longeron inner structure and the longeron external structure welding affixed, described longeron additional strengthening is fixed in the middle of longeron external structure and the longeron inner structure or is fixed in the longeron external structure and longeron inner structure outside.
Further, described longeron additional strengthening is a reinforcement between the longeron internal structure external structure, and reinforcement is fixed in the middle of longeron inner structure and the longeron external structure between this longeron internal structure external structure.
Further, described longeron additional strengthening is a reinforcement in longeron outer reinforcement and the longeron, and the longeron outer reinforcement is fixed on the longeron external structure, and reinforcement is fixed on the longeron inner structure in the longeron.
Further, described longeron additional strengthening is connected with longeron external structure and/or longeron inner structure by freezing, or described longeron additional strengthening beats by flange and longeron external structure and/or longeron inner structure that solder joint is connected or described longeron additional strengthening by flange and longeron external structure and/or longeron inner structure by bolted connection or described longeron additional strengthening by riveting between flange and longeron external structure and/or the longeron inner structure.
Further, described longeron additional strengthening is a brace panel, and it is inner and/or exterior perpendicular to direction before the collision that it is set to be fixed on longeron.
Further, described brace panel other face except that face of weld or bolted connection face or riveted joint face is vertical with direction before the collision.
Further, described brace panel perpendicular to the scantling length of direction before the collision less than 20mm.
Further, described longeron additional strengthening is solid member or hollow.
Further, the facade of reinforcement is on same plane in described longeron outer reinforcement and the longeron, and the position of its fore-and-aft direction is any place that needs reinforcement.
Further, the interior reinforcement of described longeron outer reinforcement and longeron runs through the cross section of all longerons.
Compare with present prior art, to cause the crew module to be out of shape excessive and occupant stressed excessive and cause the problem of occupant's grievous injury in order to solve longeron energy-absorbing deficiency of the prior art in the present invention, a kind of girder work that can improve energy absorption ability is provided, improved the energy absorption ability of longeron, reduced the energy that is delivered to driving compartment, keep the complete of driving compartment, reduce the occupant injury value.
Description of drawings
Fig. 1 is the scheme drawing of additional strengthening between longeron inner structure and external structure.
Fig. 2 is that additional strengthening is at longeron inner structure and the exterior scheme drawing of external structure.
The specific embodiment
Describe the present invention with reference to the accompanying drawings below, it is a kind of preferred embodiment in the numerous embodiments of the present invention.
Be fixed with reinforcement on the girder work, what this reinforcement adopted in embodiments of the present invention is the brace panel design.
Fig. 1 has represented the girder work of additional strengthening between longeron inner structure and external structure.As shown in Figure 1, girder work comprises reinforcement 3 between longeron external structure 1, longeron inner structure 2, longeron internal structure external structure.Longeron external structure and longeron inner structure weld together, reinforcement 3 is fixed in the middle of the longeron internal structure external structure, can be connected with the longeron internal structure external structure by freezing, and also can make flange and longeron internal structure external structure and play solder joint or bolted connection or riveted joint.Reinforcement can be that solid member also can be a hollow.No matter how reinforcement finally connects, need to guarantee that reinforcement other face except that face of weld or bolted connection face or riveted joint face is vertical with direction before the collision.
Fig. 2 has represented that additional strengthening is at longeron inner structure and the exterior girder work of external structure.As shown in Figure 2, girder work comprises reinforcement 4 in longeron external structure 1, longeron inner structure 2, longeron outer reinforcement 3, the longeron.Longeron external structure and longeron inner structure weld together, longeron outer reinforcement 3 is fixed on the longeron external structure, can be connected with the longeron external structure by freezing, and also can make flange and longeron external structure and play solder joint or bolted connection or riveted joint.Work the structure that the part that improves the energy absorption ability effect is perpendicular to direction before the collision on the reinforcement, in order more effectively to play effect, the length that this side up is preferably less than 20mm.Reinforcement 4 is fixed on the longeron inner structure in the longeron, can be connected with the longeron inner structure by freezing, and also can make flange and longeron external structure and play solder joint or bolted connection or riveted joint.Similar with the longeron outer reinforcement, perpendicular to the scantling length of direction before the collision preferably less than 20mm.No matter how reinforcement finally is connected with longeron, need to guarantee that reinforcement other face except that face of weld or bolted connection face or riveted joint face is vertical with direction before the collision.
Longeron outer reinforcement 3 and interior reinforcement 4 facades are preferably on the same plane, the suitable place that can in officely what is the need for and will strengthen in the position of fore-and-aft direction.
Longeron outer reinforcement 3 and interior reinforcement 4 preferably run through all cross sections.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.

Claims (1)

1. a girder work is characterized in that, described girder work is the front rail structure that is used for machinery space, comprises longeron inner structure, longeron external structure and longeron additional strengthening,
Welding is affixed between described longeron inner structure and the longeron external structure, described longeron additional strengthening is solid member or hollow, it is fixed in the middle of longeron external structure and the longeron inner structure, and described longeron additional strengthening is a brace panel, and it is set to be fixed on longeron inside;
Described longeron additional strengthening is a reinforcement between the longeron internal structure external structure, and reinforcement is fixed in the middle of longeron inner structure and the longeron external structure between this longeron internal structure external structure;
Described longeron additional strengthening is connected with longeron external structure and/or longeron inner structure by freezing, or described longeron additional strengthening is beaten solder joint by flange with longeron external structure and/or longeron inner structure and is connected, or described longeron additional strengthening passes through bolted connection by flange and longeron external structure and/or longeron inner structure, or described longeron additional strengthening is by riveting between flange and longeron external structure and/or the longeron inner structure, described brace panel other face except that face of weld or bolted connection face or riveted joint face is vertical with direction before the collision, its perpendicular to the scantling length of direction before the collision less than 20mm.
CN2010102153751A 2010-06-30 2010-06-30 Longitudinal beam structure Active CN101863287B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102153751A CN101863287B (en) 2010-06-30 2010-06-30 Longitudinal beam structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102153751A CN101863287B (en) 2010-06-30 2010-06-30 Longitudinal beam structure

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CN101863287B true CN101863287B (en) 2011-12-14

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103625555B (en) * 2013-11-26 2015-11-18 湖南大学 A kind of high strength steel Front longitudinal beam energy-adsorption structure for vehicle based on embedded carbon fiber
DE102014212924A1 (en) * 2014-07-03 2016-01-07 Bayerische Motoren Werke Aktiengesellschaft Side member assembly of a body of a motor vehicle and body of a motor vehicle with such a side member assembly
FR3027274B1 (en) * 2014-10-20 2018-03-23 Psa Automobiles Sa. LONGERON OF BODY OF VEHICLE WITH STIFFENER AND PARTITIONS.
CN107428376A (en) * 2015-03-17 2017-12-01 自动工程公司 For vehicle side bar and include the vehicle of such side bar
KR101704302B1 (en) * 2015-12-10 2017-02-08 현대자동차주식회사 Reinforcement member

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2617649Y (en) * 2002-11-14 2004-05-26 哈飞汽车股份有限公司 Front frame structure of vehicle
CN1506248A (en) * 2002-12-12 2004-06-23 现代自动车株式会社 Reinforcing structure for rear part of vehicle front longitudinal-member
CN1948074A (en) * 2006-11-06 2007-04-18 湖南大学 Step-by-step type energy absorption device during collision of automobiles
CN101306699A (en) * 2007-12-28 2008-11-19 上汽通用五菱汽车股份有限公司 Energy-absorbing frame structure for amortizing vehicle collision

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007230309A (en) * 2006-02-28 2007-09-13 Autech Japan Inc Vehicle body structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2617649Y (en) * 2002-11-14 2004-05-26 哈飞汽车股份有限公司 Front frame structure of vehicle
CN1506248A (en) * 2002-12-12 2004-06-23 现代自动车株式会社 Reinforcing structure for rear part of vehicle front longitudinal-member
CN1948074A (en) * 2006-11-06 2007-04-18 湖南大学 Step-by-step type energy absorption device during collision of automobiles
CN101306699A (en) * 2007-12-28 2008-11-19 上汽通用五菱汽车股份有限公司 Energy-absorbing frame structure for amortizing vehicle collision

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Effective date of registration: 20190802

Address after: 241000 No. 8 Building, Science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province

Patentee after: CHERY COMMERCIAL VEHICLES (ANHUI) CO., LTD.

Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road

Patentee before: Saic Chery Automobile Co., Ltd.