CN108860317A - One kind " two vertical four is horizontal " aluminium alloy bicycle frame structure and automobile - Google Patents

One kind " two vertical four is horizontal " aluminium alloy bicycle frame structure and automobile Download PDF

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Publication number
CN108860317A
CN108860317A CN201810981897.9A CN201810981897A CN108860317A CN 108860317 A CN108860317 A CN 108860317A CN 201810981897 A CN201810981897 A CN 201810981897A CN 108860317 A CN108860317 A CN 108860317A
Authority
CN
China
Prior art keywords
vertical
horizontal
crossbeam
tongue
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810981897.9A
Other languages
Chinese (zh)
Inventor
宗志坚
周江
龙飞勇
贤锦章
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Intelligent Control Industrial Technology Research Institute Co Ltd
Huazhong University of Science and Technology
Original Assignee
Wuhan Intelligent Control Industrial Technology Research Institute Co Ltd
Huazhong University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Intelligent Control Industrial Technology Research Institute Co Ltd, Huazhong University of Science and Technology filed Critical Wuhan Intelligent Control Industrial Technology Research Institute Co Ltd
Priority to CN201810981897.9A priority Critical patent/CN108860317A/en
Publication of CN108860317A publication Critical patent/CN108860317A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D27/00Connections between superstructure or understructure sub-units
    • B62D27/02Connections between superstructure or understructure sub-units rigid
    • B62D27/023Assembly of structural joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D29/00Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/008Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded

Abstract

The present invention provides a kind of " two vertical four is horizontal " aluminium alloy bicycle frame structure and automobiles, belong to automobile technical field." two vertical four is horizontal " aluminium alloy bicycle frame structure includes two stringers and four combination transverse arms.Two stringers are symmetrically arranged.Four combination transverse arms from front to back successively mortise-tenon joint on stringer.Automobile includes above-mentioned " two vertical four is horizontal " aluminium alloy bicycle frame structure.This " two vertical four horizontal " aluminium alloy bicycle frame structure realize it is light-weighted simultaneously, ensure that its with good overall stiffness and intensity, it is easily fabricated, be also easy to the installation of aluminum alloy chassis hard spot system.The automotive light weight technology degree is high.

Description

One kind " two vertical four is horizontal " aluminium alloy bicycle frame structure and automobile
Technical field
The present invention relates to automobile technical fields, in particular to a kind of " two vertical four is horizontal " aluminium alloy bicycle frame structure and vapour Vehicle.
Background technique
The light-weighted difficult point of vehicle structure is floor body frame structure for automotive lightweight below, this is because body frame structure for automotive stress is multiple It is miscellaneous, function is complicated, the influence to automotive safety is huge, meanwhile, body frame structure for automotive weight accounting is bigger, and light weight effect is bigger.But It is that current Truck Frame Structure almost all is steel frame construction, few successful case for using aluminium alloy lightweight vehicle frame.Claim The vehicle body of " assembling structure on steelframe body frame structure for automotive+aluminium alloy " is half lightweight vehicle body, is claimed " on aluminium alloy bicycle frame structure+aluminium alloy The vehicle body of assembling structure " is full lightweight vehicle body.The light weight effect of existing half lightweight vehicle body is not high, and due to body frame structure for automotive with Upper assembling structure is different material, also brings connection difficulty, a series of more high new problems of requirement for anticorrosion.Existing full lightweight vehicle The solution of body structure is seldom, still immature, and main cause is to do body frame structure for automotive using aluminium alloy to face poor rigidity, hard spot cloth Set a series of problems, such as difficult, manufacture is difficult.
Summary of the invention
One of the objects of the present invention is to provide a kind of " two vertical four is horizontal " aluminium alloy bicycle frame structure and automobiles, this " two vertical four Cross " aluminium alloy bicycle frame structure is intended to solve to a certain extent to do body frame structure for automotive poor rigidity, hard spot using aluminium alloy in the prior art The problem of difficult arrangement and manufacture difficulty.
To achieve the above object, the technical scheme is that:
" two vertical four is horizontal " aluminium alloy bicycle frame structure, " two vertical four is horizontal " the aluminium alloy bicycle frame structure include:Two stringers and Four combination transverse arms, two stringers are symmetrically arranged, four combination transverse arms from front to back successively mortise-tenon joint in On left stringer and right vertical beam.
As a preferred technical solution of the present invention, the stringer includes upper beam portion, middle beam portion and lower beam portion, it is described on Beam portion connect by the middle beam portion with the lower beam portion and is formed " Contraband " shape, and the side of the stringer is provided with horizontal with the combination Arm cooperatively rectangle tongue-and-groove and mortise.
As a preferred technical solution of the present invention, the combination transverse arm include crossbeam group, connecting plate, vertical gusset, Horizontal rib, the crossbeam group is by the mortise mortise-tenon joint on the stringer in the stringer, the connecting plate mortise-tenon joint In the crossbeam group, the crossbeam group and the connecting plate are provided with tongue-and-groove, the vertical gusset and the crossbeam group tongue-and-groove Connection, the vertical gusset are connect with the connecting plate tongue-and-groove, and the horizontal rib is connect with the crossbeam group tongue-and-groove, the water Flat gusset is connect with the connecting plate tongue-and-groove.
As a preferred technical solution of the present invention, the crossbeam group includes at least the crossbeam of 3 radical spaces arrangement, described Crossbeam is rectangular section and four outer surfaces have crossbeam rectangle tongue-and-groove.
As a preferred technical solution of the present invention, the connecting plate further includes mortise, the mortise and the crossbeam Group forms mortise-tenon joint, and the tongue-and-groove connects the mortise.
Another object of the present invention is to provide a kind of automobile, this automobile aims to solve the problem that automotive light weight technology journey in the prior art Spend low problem.The automobile includes " two vertical four is horizontal " aluminium alloy bicycle frame structure described in any of the above embodiments.
Beneficial effects of the present invention include:
1. a kind of automobile frame all made of aluminum alloy materials is obtained, using the whole than passing of the vehicle frame System vehicle loss of weight about 40%, light weight effect is obvious.Meanwhile body structure, body structure are aluminium alloy, it can be to avoid xenogenesis material Electrochemical corrosion between material connection bring material.
2. stringer, transverse arm, connecting plate, gusset, which are combined together, collectively forms " chamber beam " structure, " beam " is i.e. all kinds of vertical Beam and crossbeam, " chamber " i.e. as composed by beam, shear stress gusset wall " chamber ", which makes body frame structure for automotive with higher Intensity also further saves whole use space, meanwhile, vehicle have lighter weight, volume is also smaller, using rise It is more convenient to come.
3. using the welding that is effectively prevented with the mortise-tenon joint that tenon cover between the interrupting and break end of aluminum alloy beams and easy Assembly, while being welded to connect using tongue-and-groove and ensuring the mechanical property of beam and shear stress gusset, while saving material to Use space is further saved, the manufacturing cost of vehicle is reduced, so that overall structural strength is more preferable, the degree of modularity is more Height, while being also easy to install.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the overall schematic of " two vertical four is horizontal " aluminium alloy bicycle frame structure provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the stringer of " two vertical four is horizontal " aluminium alloy bicycle frame structure provided in an embodiment of the present invention;
Fig. 3 is the enlarged drawing of III position in Fig. 2;
Fig. 4 is stringer the showing under the first visual angle of " two vertical four is horizontal " aluminium alloy bicycle frame structure provided in an embodiment of the present invention It is intended to;
Fig. 5 is the combination cross arm structure schematic diagram of " two vertical four is horizontal " aluminium alloy bicycle frame structure provided in an embodiment of the present invention;
Fig. 6 is the enlarged drawing of VI position in Fig. 5;
Fig. 7 is the structural schematic diagram of the connecting plate of " two vertical four is horizontal " aluminium alloy bicycle frame structure provided in an embodiment of the present invention.
Icon:1- stringer;The upper beam portion of 11-;Beam portion in 12-;Beam portion under 13-;2- combines transverse arm;21- crossbeam group;22- connects Fishplate bar;The vertical gusset of 23-;24- horizontal rib;3- tongue-and-groove;4- mortise.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the embodiment of the present invention, it should be noted that indicating position or positional relationship is based on shown in attached drawings The orientation or positional relationship invention product using when the orientation or positional relationship usually put or this field Orientation or positional relationship that technical staff usually understands or the invention product using when the orientation usually put or position close System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " the One ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the embodiment of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects;It can be and be directly connected to, can also be indirectly connected with by intermediary.For the ordinary skill in the art, may be used The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment:
The present embodiment provides a kind of " two vertical four is horizontal " aluminium alloy bicycle frame structure and automobiles, and specific structure is as follows to be explained It states.
Fig. 1 is please referred to, " two vertical four is horizontal " aluminium alloy bicycle frame structure provided in this embodiment includes two stringers 1 and four groups Close transverse arm 2.Two stringers 1 are symmetrically arranged.Four combination transverse arms 2 from front to back successively mortise-tenon joint on stringer 1.
Referring to figure 2., referring to Fig. 3 and Fig. 4, stringer 1 includes upper beam portion 11, middle beam portion 12 and lower beam portion 13 for cooperation.Upper beam Portion 11 is connect by middle beam portion 12 with lower beam portion 13 and forms " Contraband " shape.The side of stringer 1 is provided with and combines transverse arm 2 cooperatively Rectangle tongue-and-groove 3 and mortise 4.
It should be noted that stringer 1 is aluminium alloy extrusions of the section in the multi-cavity of hollow rectangle, in 1 outer surface of main longitudinal grider There is rectangle tongue-and-groove 3.Main longitudinal grider 1 is one of the basic framework of entire " two vertical four is horizontal " aluminium alloy bicycle frame structure.By cutting for main longitudinal grider 1 Face is set as hollow rectangle, and architecture quality can be greatly lowered, and realizes light-weighted purpose.In profile outer surface, rectangle is set Tongue-and-groove 3 can facilitate the connection between entire " two vertical four is horizontal " aluminium alloy bicycle frame structure each section.It is welded to connect using tongue-and-groove, Ensure that the mechanical property of beam and shear stress gusset, manufacture efficiency are high, at low cost.
Referring to figure 5., cooperation reference Fig. 6, combination transverse arm 2 provided in this embodiment include:Crossbeam group 21, connecting plate 22, Vertical gusset 23 and horizontal rib 24.It will be on connecting plate 22 mortise-tenon joint to crossbeam group 21.Crossbeam group 21 is all provided with connecting plate 22 It is equipped with tongue-and-groove 3.Vertical gusset 23 is connect with 21 tongue-and-groove of crossbeam group.Vertical gusset 23 is connect with 22 tongue-and-groove of connecting plate.Horizontal rib 24 connect with 21 tongue-and-groove of crossbeam group.Horizontal rib 24 is connect with 22 tongue-and-groove of connecting plate.
Referring to figure 5., cooperation is referring to Fig. 6, and in the present embodiment, crossbeam group 21 includes 4 crossbeams.4 of crossbeam group 21 Crossbeam forms mortise-tenon joint by mortise 4 and 2 piece stringer 1.Crossbeam is distributed in orthogonal first direction and second direction. In the present embodiment, first direction is horizontal direction, and second direction is vertical direction.I.e. crossbeam distribution is in the horizontal direction and vertically On direction.Specifically, first is set in horizontal direction with second girder space, then third root crossbeam is set to first The surface of crossbeam, first is distributed on vertical direction with third root crossbeam.Correspond ground, the 4th crossbeam is in the The surface of two crossbeams.
Further, crossbeam is aluminium alloy extrusions of the section in the multi-cavity of hollow rectangle, equal in four outer surfaces of crossbeam It is provided with rectangle tongue-and-groove 3.Crossbeam is one of the basic framework of entire " two vertical four is horizontal " aluminium alloy bicycle frame structure.By the section of crossbeam It is set as hollow rectangle, architecture quality can be greatly lowered, realizes light-weighted purpose.In profile outer surface, rectangle tenon is set Slot 3 can facilitate the connection between entire " two vertical four is horizontal " aluminium alloy bicycle frame structure each section.It is welded to connect using tongue-and-groove, really The mechanical property of beam and shear stress gusset is protected, manufacture efficiency is high, at low cost.
It is connected between first crossbeam and third root crossbeam by vertical gusset 23.In the present embodiment, preferred to use Tongue-and-groove is welded to connect.One end of vertical gusset 23 is caught in the tongue-and-groove 3 being arranged on first crossbeam, the other end of vertical gusset 23 It is caught in the tongue-and-groove 3 being arranged on third root crossbeam.Tongue-and-groove is formed to be welded to connect.Beam and gusset are ensured using tongue-and-groove welded connecting Mechanical property, manufacture efficiency is high, at low cost.After vertical gusset 23 connects first crossbeam and third root crossbeam, form vertical Straight shear wall structure.Improve the integrated carrying ability of " two vertical four is horizontal " aluminium alloy bicycle frame structure.
Ground is corresponded, is connected between second crossbeam and the 4th crossbeam by vertical gusset 23.Herein, similarly It is connected using tongue-and-groove.One end of vertical gusset 23 is caught in the tongue-and-groove 3 being arranged on second crossbeam, the other end of vertical gusset 23 It is caught in the tongue-and-groove 3 being arranged on the 4th crossbeam.Tongue-and-groove is formed to be welded to connect.Vertical gusset 23 connects first crossbeam and third After root crossbeam, vertical shear wall construction is formd.
In the horizontal direction, it is connected between third root crossbeam and the 4th crossbeam by horizontal rib 24.Herein, similarly It is connected using tongue-and-groove.One end of horizontal rib 24 is caught in the tongue-and-groove 3 being arranged on third root crossbeam, the other end of horizontal rib 24 It is caught in the tongue-and-groove 3 being arranged on the 4th crossbeam.Tongue-and-groove is formed to be welded to connect.Horizontal rib 24 connects first crossbeam and third After root crossbeam, horizontal shear wall construction is formd.It should be noted that horizontal rib 24 can also be with the tenon that is arranged on stringer 1 Slot 3 matches, and further strengthens the intensity of entire " two vertical four is horizontal " aluminium alloy bicycle frame structure.
In the present embodiment, it is preferably welded to connect using mortise-tenon joint and gusset tongue-and-groove.Use band mortise-tenon joint can be with Tenon assembly difficulty is reduced, the mechanical property for ensuring beam and gusset, manufacture efficiency height, cost are welded to connect using gusset tongue-and-groove It is low.
It should be noted that crossbeam group 21 includes at least the crossbeam of 3 radical spaces arrangement.When the crossbeam of crossbeam group 21 is 3 When, it can be removed with any crossbeam in above-described embodiment, as 3 crossbeams.It, can when the crossbeam of crossbeam group 21 is more than 4 To successively increase the radical of crossbeam respectively with second direction in a first direction, the case where when can be realized more than 4.Crossbeam group 21 Crossbeam it is more, the bearing capacity of crossbeam group 21 also correspondinglys increase, and stiffness and strength are strengthened, but " two vertical four horizontal " aluminium alloy The total quality of body frame structure for automotive will increase, and light-weighted effect can decline.It is recommended to use the crossbeam group 21 of 4 crossbeams, is carried Ability and light-weighted effect are preferable.
Fig. 7 is please referred to, the global shape of connecting plate 22 provided by the present embodiment is in " г " font.In " г " character form structure Edge offers 4 mortises 4.The position of 4 mortises 4 is corresponding with the position of 4 crossbeams.3 are also provided on connecting plate 22 3,3 tongue-and-grooves 3 of tongue-and-groove connect 4 mortises 4.First and the perpendicular relationship of Article 2 tongue-and-groove 3, Article 2 and Article 3 tongue-and-groove 3 perpendicular relationships, first is in parallel relation with Article 3 tongue-and-groove 3.In order to mitigate the weight of connecting plate 22, connecting plate 22 is also set It is equipped with many places hollow out.
4 crossbeams form mortise-tenon joint by 4 mortises 4 and connecting plate 22.Vertical 23 one end of gusset and first crossbeam The tongue-and-groove 3 of upper setting connects, and the tongue-and-groove 3 being arranged on the other end and third root crossbeam of vertical gusset 23 is connect, vertical gusset 23 Side pass through first tongue-and-groove 3 and connecting plate 22 the formation tongue-and-groove on connecting plate 22 and connect.
The tongue-and-groove 3 being arranged on vertical 23 one end of gusset and second crossbeam is connect, the other end and the 4th of vertical gusset 23 The tongue-and-groove 3 being arranged on root crossbeam connects, and the side of vertical gusset 23 passes through Article 3 tongue-and-groove 3 and connecting plate 22 on connecting plate 22 Form tongue-and-groove connection.
The tongue-and-groove 3 being arranged on 24 one end of horizontal rib and first crossbeam is connect, the other end of horizontal rib 24 and second The tongue-and-groove 3 being arranged on root crossbeam connects, and the side of horizontal rib 24 and the Article 2 tongue-and-groove 3 on connecting plate 22 cooperatively form tongue-and-groove Connection.
In the present embodiment, with no restriction, the producer can be according to actual production needs for the use number of connecting plate 22 The number of connecting plate 22 is set.
It should be noted that other structures for increasing bonding strength can also be arranged between crossbeam.For example, setting two perpendicular Straight beam, so that two vertical beams and 4 crossbeams form mortise-tenon joint.Also gusset can be set between two vertical beams to reinforce connecting The intensity connect.There is also a variety of situations, and details are not described herein again.
The present embodiment additionally provides a kind of automobile, which includes above-mentioned " two vertical four is horizontal " aluminium alloy bicycle frame structure. The automotive light weight technology degree is high.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (6)

1. a kind of " two vertical four is horizontal " aluminium alloy bicycle frame structure, it is characterised in that:
Including two stringers (1) and four combination transverse arms (2), two stringers (1) are symmetrically arranged, four combinations Transverse arm (2) from front to back successively mortise-tenon joint on the stringer (1).
" two vertical four is horizontal " the aluminium alloy bicycle frame structure 2. according to claim 1, which is characterized in that the stringer (1) includes Upper beam portion (11), middle beam portion (12) and lower beam portion (13), the upper beam portion (11) and the lower beam portion (13) pass through the central sill Portion (12), which connects, simultaneously forms " Contraband " shape, and the side of the stringer (1) is provided with and the combination transverse arm (2) cooperatively rectangle tongue-and-groove (3) and mortise (4).
3. " two vertical four is horizontal " aluminium alloy bicycle frame structure according to claim 1, which is characterized in that the combination transverse arm (2) Including crossbeam group (21), connecting plate (22), vertical gusset (23), horizontal rib (24), the crossbeam group (21) passes through described vertical Mortise (15) mortise-tenon joint on beam (1) is in the stringer (1), and connecting plate (22) mortise-tenon joint is in the crossbeam group (21), the crossbeam group (21) and the connecting plate (22) are provided with tongue-and-groove (3), the vertical gusset (23) and the crossbeam The connection of group (21) tongue-and-groove, the vertical gusset (23) connect with the connecting plate (22) tongue-and-groove, the horizontal rib (24) and institute The connection of crossbeam group (21) tongue-and-groove is stated, the horizontal rib (24) connect with the connecting plate (22) tongue-and-groove.
4. " two vertical four is horizontal " aluminium alloy bicycle frame structure according to claim 3, it is characterised in that:The crossbeam group (21) is extremely It less include the crossbeam (211) of 3 radical spaces arrangement, the crossbeam (211) is rectangular section and four outer surfaces have crossbeam Rectangle tongue-and-groove (3).
5. " two vertical four is horizontal " aluminium alloy bicycle frame structure according to claim 3, it is characterised in that:The connecting plate (22) is also Including mortise (4), the mortise (4) and the crossbeam group (21) form mortise-tenon joint, and the tongue-and-groove (3) connects the mortise (4)。
6. a kind of automobile, which is characterized in that including described in any item " two vertical four is horizontal " the aluminium alloy bicycle frame knots of claim 1-5 Structure.
CN201810981897.9A 2018-08-27 2018-08-27 One kind " two vertical four is horizontal " aluminium alloy bicycle frame structure and automobile Pending CN108860317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810981897.9A CN108860317A (en) 2018-08-27 2018-08-27 One kind " two vertical four is horizontal " aluminium alloy bicycle frame structure and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810981897.9A CN108860317A (en) 2018-08-27 2018-08-27 One kind " two vertical four is horizontal " aluminium alloy bicycle frame structure and automobile

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CN201810981897.9A Pending CN108860317A (en) 2018-08-27 2018-08-27 One kind " two vertical four is horizontal " aluminium alloy bicycle frame structure and automobile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110341797A (en) * 2019-07-24 2019-10-18 武汉智能控制工业技术研究院有限公司 A kind of combination crossbeam and vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110341797A (en) * 2019-07-24 2019-10-18 武汉智能控制工业技术研究院有限公司 A kind of combination crossbeam and vehicle
CN110341797B (en) * 2019-07-24 2020-10-16 武汉智能控制工业技术研究院有限公司 Combined cross beam and vehicle

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