CN116279814A - Automobile front longitudinal beam assembly structure - Google Patents
Automobile front longitudinal beam assembly structure Download PDFInfo
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- CN116279814A CN116279814A CN202310469012.8A CN202310469012A CN116279814A CN 116279814 A CN116279814 A CN 116279814A CN 202310469012 A CN202310469012 A CN 202310469012A CN 116279814 A CN116279814 A CN 116279814A
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- assembly
- longitudinal beam
- plate assembly
- front longitudinal
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
- B62D21/04—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members single longitudinal type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
Abstract
The invention relates to an automobile front longitudinal beam assembly structure, which comprises a link plate, wherein the link plate is arranged between a front longitudinal beam angle reinforcing plate assembly and a front longitudinal beam front section assembly, a front longitudinal beam reinforcing plate inner plate assembly and a front longitudinal beam reinforcing plate outer plate assembly are respectively arranged at two sides of the front longitudinal beam front section assembly and are bonded and fixed into a whole to form a blocking part so as to prevent backward extension deformation under the action of impact force; the left rear mounting plate assembly of the auxiliary frame is welded and fixed with the reinforcing plate assembly in the wheel cover and the front longitudinal beam rear section connecting plate assembly to form a cavity I, and the left rear mounting plate assembly of the auxiliary frame is welded and fixed with the front longitudinal beam rear section connecting plate assembly and the battery front mounting plate assembly to form a cavity III; the front longitudinal beam rear section stiffening beam lower plate assembly is fixed at the rear part of the front longitudinal beam front section assembly and is welded and fixed with the auxiliary frame left rear mounting plate assembly and the front longitudinal beam rear section stiffening beam upper plate to form a cavity II; the invention can guide the transmission direction of collision force, effectively prevent the backward extension deformation under the action of the collision force and improve the energy absorbing capacity of the automobile.
Description
[ technical field ]
The invention relates to the technical field of automobile parts, in particular to an automobile front longitudinal beam assembly structure capable of effectively preventing an automobile from extending backwards and deforming under the action of impact force.
[ background Art ]
The automobile front longitudinal beam assembly structure is used as an important performance structure of collision safety, is connected with the left and right threshold and is the most important bearing part of the automobile. The front bumper beam and the front wall lower cross beam form an X-direction and Y-direction collision transmission path, and play a vital role in the aspects of front collision and offset collision vehicle safety performance.
At present, the traditional front longitudinal beam assembly structure mainly adopts high-strength steel materials, and the assembly is formed by spot welding and splicing. The traditional front longitudinal beam assembly structure mainly has the following defects: the space section requirement is large, the number of parts is large, the accumulated size tolerance is large, the weight is heavy when the equivalent front collision structural strength is provided, and the energy absorption effect of the steel front longitudinal beam is poor.
[ summary of the invention ]
The invention aims to solve the defects and provide the automobile front longitudinal beam assembly structure which can guide the transmission direction of the collision force of an automobile, effectively prevent the automobile from extending backwards and deforming under the action of the collision force and improve the energy absorbing capacity of the automobile.
In order to achieve the above objective, an automobile front longitudinal beam assembly structure is designed, which comprises a front longitudinal beam angle reinforcing plate assembly 110, a link plate 120, a front longitudinal beam reinforcing plate inner plate assembly 130, an energy absorption box sealing plate assembly 140, a front subframe front mounting plate 150, a front longitudinal beam reinforcing plate outer plate assembly 160, a front brake hose bracket 170, a subframe left rear mounting plate assembly 180 and a front longitudinal beam front section assembly 260; the link plate 120 is disposed between the front side member angle reinforcing plate assembly 110 and the front side member front section assembly 260, an accommodating space is disposed in the front side member front section assembly 260, and the link plate 120 is fixedly connected with the wheel cover inner reinforcing plate assembly 250, the front side member reinforcing plate assembly 180, and the front side member rear section connecting plate assembly 210; the front longitudinal beam reinforcing plate inner plate assembly 130 and the front longitudinal beam reinforcing plate outer plate assembly 160 are respectively arranged at two sides of the front longitudinal beam front section assembly 260 and are riveted and fixed with the front longitudinal beam front section assembly 260, and the front longitudinal beam reinforcing plate inner plate assembly 130 and the front longitudinal beam reinforcing plate outer plate assembly 160 are bonded and fixed into a whole to form a blocking part so as to prevent the rear extension deformation under the action of impact force; the energy-absorbing box sealing plate assembly 140 is encapsulated at the front end of the front longitudinal beam front section assembly 260, the front mounting plate 150 of the front subframe extends into the front end of the front longitudinal beam front section assembly 260 and is welded and fixed with the front longitudinal beam front section assembly 260, and the front brake hose bracket 170 is riveted and fixed with the front longitudinal beam front section assembly 260; the left and rear mounting plate assembly 180 of the auxiliary frame is welded and fixed at the rear part of the front longitudinal beam front section assembly 260, the left and rear mounting plate assembly 180 of the auxiliary frame is welded and fixed with the wheel cover inner reinforcing plate assembly 250 and the front longitudinal beam rear section connecting plate assembly 210 to form a first cavity 311, and the left and rear mounting plate assembly 180 of the auxiliary frame is welded and fixed with the front longitudinal beam rear section connecting plate assembly 210 and the battery front mounting plate assembly 220 to form a third cavity 313; the front longitudinal beam front section assembly 260 is fixedly riveted with a front longitudinal beam rear section stiffening beam lower plate assembly 230, and the front longitudinal beam rear section stiffening beam lower plate assembly 230 is fixedly welded with the subframe left rear mounting plate assembly 180 and the front longitudinal beam rear section stiffening beam upper plate 240 to form a cavity II 312; the front-side-beam rear-section reinforcement beam upper plate 240 is riveted and fixed with the front-side-beam front-section assembly 260, and is welded and fixed with the subframe left-rear mounting plate assembly 180 and the front-side-beam rear-section reinforcement beam lower plate assembly 230.
Further, the front side member corner reinforcing plate assembly 110 has a structure of a letter of a Chinese character 'ji', a cavity is formed between the front side member corner reinforcing plate assembly 110 and the automobile panel, the front rail corner reinforcement panel assembly 110 connects the left and right rail assemblies and forms a frame, thereby making the vehicle body structure more stable.
Further, the link plate 120 is an inverted L-shaped plate, the link plate 120 is mounted at the rear of the front longitudinal beam front section assembly 260, and the wheel cover inner reinforcing plate assembly 250 is welded and fixed with the subframe left rear mounting plate assembly 180, the front longitudinal beam rear section connecting plate assembly 210 and the link plate 120 into a whole.
Further, the front side member reinforcing plate inner plate assembly 130 and the front side member reinforcing plate outer plate assembly 160 are made of CR950/1300HS high strength stamped steel plates, V-shaped grooves are dug at the bottoms of the front side member reinforcing plate inner plate assembly 130 and the front side member reinforcing plate outer plate assembly 160, and blocking portions are formed between the front side member reinforcing plate inner plate assembly 130 and the front side member reinforcing plate outer plate assembly 160 to prevent the crush rear portion from extending and deforming.
Further, a clamping groove is formed in the rear end face of the energy-absorbing box sealing plate assembly 140, and the front longitudinal beam front section assembly 260 is clamped into the clamping groove and is welded and fixed with the energy-absorbing box sealing plate assembly 140 into a whole.
Further, the front auxiliary frame rear mounting plate 190 is further included, the front auxiliary frame rear mounting plate 190 is columnar, the lower end of the front auxiliary frame rear mounting plate 190 is welded and fixed with the battery front mounting plate assembly 220, and the upper end of the front auxiliary frame rear mounting plate 190 is welded and fixed with the front longitudinal beam rear section connecting plate assembly 210.
Further, the front-side beam rear section connecting plate assembly 210 is welded and fixed with the subframe left rear mounting plate assembly 180, the battery front mounting plate assembly 220 and the wheel cover inner reinforcing plate assembly 250, the battery front mounting plate assembly 220 is provided with a battery mounting fixing point, and the battery mounting fixing point provides a secondary positioning hole for the front-side beam assembly structure 100.
Further, the front longitudinal beam front section assembly 260 is an aluminum extruded section with a cross section of a 'mesh' shape, the front longitudinal beam front section assembly 260 comprises a left vertical plate 263, a right vertical plate 264, and a first transverse plate 261, a second transverse plate 262, a third transverse plate 265 and a fourth transverse plate 266 connected between the left vertical plate 263 and the right vertical plate 264, and the first transverse plate 261, the second transverse plate 262, the third transverse plate 265 and the fourth transverse plate 266 are sequentially arranged at intervals from top to bottom; the front rail front section assembly 260 shell defines a partition 161, and the rest is a crumple zone, and the front rail front section assembly 260 shell is provided with a mounting hole and a main positioning hole of the front rail assembly structure 100.
Further, the left and rear mounting plate assembly 180, the front longitudinal beam rear section connecting plate assembly 210, the front longitudinal beam rear section reinforcing beam lower plate assembly 230, the front longitudinal beam rear section reinforcing beam upper plate 240 and the wheel cover inner reinforcing plate assembly 250 are all made of CR950/1300HS ultra-high strength stamped steel plates, so that effective stress rigidity is provided, and collision force is guided to the threshold part.
Compared with the prior art, the invention has the following advantages:
(1) The front longitudinal beam assembly structure can guide the transmission direction of collision force, improve the energy absorption capacity, reduce the whole weight of the assembly, reduce the number of parts, facilitate the later maintenance and improve the production efficiency;
(2) According to the invention, parameters such as wall thickness of the aluminum profile or yield strength of materials can be changed to obtain front-section components of front longitudinal beams with different strengths, so that the requirements of collision strength of different total weights of the whole vehicle can be met on the premise of not changing the states of other parts, and the expansion range is wide;
(3) Compared with the traditional sheet metal structure assembly, the sheet metal structure assembly is small in weight, the weight of the assembly is only 17.5KG, and the blocking is arranged, so that the sheet metal structure assembly can effectively prevent the backward extension deformation under the action of impact force.
(4) The aluminum profile is simple in structure, the installation points are formed by machining the holes and matching with the riveting nuts or bolts, the installation points are increased or decreased more conveniently in the later period, a die is not required to be modified, the machining precision is higher, and the collision energy absorption effect of the aluminum profile is more excellent.
(5) The invention can be suitable for different vehicle types by changing the length and the size of the aluminum profile, has wide application range and is worthy of popularization and application.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the assembled structure of the present invention;
FIG. 3 is a schematic view of the structure of the cavity of the present invention;
FIG. 4 is a schematic structural view of a front rail front section assembly of the present invention;
FIG. 5 is a schematic diagram of the use structure of the present invention;
in the figure: 100. the front side rail assembly structure 110, the front side rail corner reinforcement plate assembly 120, the link plate 130, the front side rail reinforcement plate inner plate assembly 140, the energy-absorbing box seal plate assembly 150, the front subframe front mounting plate 160, the front side rail reinforcement plate outer plate assembly 161, the partition 170, the front brake hose bracket 180, the subframe left and rear mounting plate assembly 190, the front subframe rear mounting plate 210, the front side rail rear section connection plate assembly 220, the battery front mounting plate assembly 230, the front side rail rear section reinforcement beam lower plate assembly 240, the front side rail rear section reinforcement beam upper plate 250, the wheel cover inner reinforcement plate assembly 260, the front side rail front section assembly 261, the first cross plate 262, the second cross plate 263, the left side upright 264, the right side upright 265, the third cross plate 266, the fourth cross plate 311, the first cavity 312, the second cavity 313, and the third cavity.
Detailed description of the preferred embodiments
As shown in the drawings, the present invention provides a front side member assembly structure of an automobile, which mainly comprises a front side member angle reinforcing plate assembly 110, a link plate 120, a front side member reinforcing plate inner plate assembly 130, an energy absorbing box sealing plate assembly 140, a front sub-frame front mounting plate 150, a front side member reinforcing plate outer plate assembly 160, a front brake hose bracket 170, a sub-frame left rear mounting plate assembly 180, a front sub-frame rear mounting plate 190 and a front side member front section assembly 260; the link plate 120 is arranged between the front longitudinal beam angle reinforcing plate assembly 110 and the front longitudinal beam front section assembly 260, an accommodating space is arranged in the front longitudinal beam front section assembly 260, and the link plate 120 is fixedly connected with the wheel cover inner reinforcing plate assembly 250, the front longitudinal beam reinforcing plate assembly 180 and the front longitudinal beam rear section connecting plate assembly 210; the front longitudinal beam reinforcing plate inner plate assembly 130 and the front longitudinal beam reinforcing plate outer plate assembly 160 are respectively arranged at two sides of the front longitudinal beam front section assembly 260 and are riveted and fixed with the front longitudinal beam front section assembly 260, and the front longitudinal beam reinforcing plate inner plate assembly 130 and the front longitudinal beam reinforcing plate outer plate assembly 160 are bonded and fixed into a whole to form a blocking part so as to prevent backward extension deformation under the action of impact force; the energy-absorbing box sealing plate assembly 140 is encapsulated at the front end of the front longitudinal beam front section assembly 260, the front mounting plate 150 of the front auxiliary frame extends into the front end of the front longitudinal beam front section assembly 260 and is welded and fixed with the front longitudinal beam front section assembly 260, and the front brake hose bracket 170 is riveted and fixed with the front longitudinal beam front section assembly 260; the left and rear mounting plate assembly 180 of the auxiliary frame is welded and fixed at the rear part of the front longitudinal beam front section assembly 260, the left and rear mounting plate assembly 180 of the auxiliary frame is welded and fixed with the wheel cover inner reinforcing plate assembly 250 and the front longitudinal beam rear section connecting plate assembly 210 to form a first cavity 311, and the left and rear mounting plate assembly 180 of the auxiliary frame is welded and fixed with the front longitudinal beam rear section connecting plate assembly 210 and the battery front mounting plate assembly 220 to form a third cavity 313; the front longitudinal beam front section assembly 260 is fixedly riveted with a front longitudinal beam rear section stiffening beam lower plate assembly 230, and the front longitudinal beam rear section stiffening beam lower plate assembly 230 is welded with the subframe left rear mounting plate assembly 180 and the front longitudinal beam rear section stiffening beam upper plate 240 to form a cavity II 312; the front longitudinal beam rear section stiffening beam upper plate 240 is riveted and fixed with the front longitudinal beam front section assembly 260 and welded and fixed with the subframe left rear mounting plate assembly 180 and the front longitudinal beam rear section stiffening beam lower plate assembly 230; the front longitudinal beam assembly structure can guide the transmission direction of collision force, improve energy absorbing capacity, reduce the whole weight of the assembly, reduce the number of parts, facilitate later maintenance and improve production efficiency.
The front longitudinal beam angle reinforcing plate assembly 110 is of a structure in a shape like a Chinese character 'ji', a cavity is formed between the front longitudinal beam angle reinforcing plate assembly 110 and the automobile covering part, and the front longitudinal beam angle reinforcing plate assembly 110 is connected with the left and right longitudinal beam assemblies and forms a frame, so that the automobile body structure is more stable. The link plate 120 is an inverted L-shaped plate, the link plate 120 is mounted at the rear of the front longitudinal beam front section assembly 260, and the wheel cover inner reinforcing plate assembly 250, the subframe left rear mounting plate assembly 180, the front longitudinal beam rear section connecting plate assembly 210 and the link plate 120 are welded and fixed into a whole. The front side rail reinforcing plate inner plate assembly 130 and the front side rail reinforcing plate outer plate assembly 160 are made of CR950/1300HS high-strength punched steel plates, V-shaped grooves are dug at the bottoms of the front side rail reinforcing plate inner plate assembly 130 and the front side rail reinforcing plate outer plate assembly 160, and the front side rail reinforcing plate inner plate assembly 130 and the front side rail reinforcing plate outer plate assembly 160 form a blocking part to prevent the crumple and the rear extension deformation.
The rear end surface of the energy-absorbing box sealing plate assembly 140 is provided with a clamping groove, and the front longitudinal beam front section assembly 260 is clamped into the clamping groove and is welded and fixed with the energy-absorbing box sealing plate assembly 140 into a whole. The front auxiliary frame rear mounting plate 190 is columnar, the lower end of the front auxiliary frame rear mounting plate 190 is welded and fixed with the battery front mounting plate assembly 220, and the upper end of the front auxiliary frame rear mounting plate 190 is welded and fixed with the front longitudinal beam rear section connecting plate assembly 210.
The front longitudinal beam front section assembly 260 is an aluminum profile with a longitudinal section of a 'mesh' -shaped shape formed by aluminum extrusion, as shown in fig. 4, the front longitudinal beam front section assembly 260 comprises a left vertical plate 263, a right vertical plate 264, a first transverse plate 261, a second transverse plate 262, a third transverse plate 265 and a fourth transverse plate 266 which are connected between the left vertical plate 263 and the right vertical plate 264, and the first transverse plate 261, the second transverse plate 262, the third transverse plate 265 and the fourth transverse plate 266 are sequentially arranged at intervals from top to bottom; the front rail front section assembly 260 housing defines a partition 161, the remainder being crush zones, the front rail front section assembly 260 housing providing mounting holes and main locating holes for the front rail assembly structure 100.
The invention is further described below with reference to the drawings and specific examples.
The present embodiment provides a front side member assembly structure 100, the front side member assembly structure 100 including:
a front side member corner reinforcing plate assembly 110, the front side member corner reinforcing plate assembly 110 having a structure of a letter of a Chinese character 'ji' shape, forming a cavity with the cover;
the link plate 120 is arranged between the front longitudinal beam front section assembly 260 and the front longitudinal beam angle reinforcing plate assembly 110 and fixedly connected with the wheel cover inner reinforcing plate assembly 250, the front longitudinal beam reinforcing plate assembly 180 and the front longitudinal beam rear section connecting plate assembly 210;
a front side rail gusset inner panel assembly 130, the front side rail gusset inner panel assembly 130 being riveted with the front side rail front section assembly 260 and being adhesively secured with the front side rail gusset outer panel assembly 160;
the energy-absorbing box sealing plate assembly 140, wherein the energy-absorbing box sealing plate assembly 140 is provided with a clamping groove, and the front longitudinal beam front section assembly 260 is clamped into the clamping groove and is welded and fixed;
the front mounting plate 150 of the front subframe, the front mounting plate 150 of the front subframe is welded and fixed with the front longitudinal beam front section assembly 260, and the front longitudinal beam front section assembly 260 is provided with an accommodating space;
a front side member reinforcing plate outer plate assembly 160, the front side member reinforcing plate outer plate assembly 160 being riveted with the front side member front section assembly 260;
a front brake hose bracket 170, the front brake hose bracket 170 being riveted to the front rail front section assembly 260;
the left rear mounting plate assembly 180 of the auxiliary frame, the front longitudinal beam front section assembly 260, the wheel cover inner reinforcing plate assembly 250 and the front longitudinal beam rear section connecting plate assembly 210 are welded and fixed to form a cavity one 311, and the front longitudinal beam rear section connecting plate assembly 210 and the battery front mounting plate assembly 220 are welded and fixed to form a cavity three 313;
the front subframe rear mounting plate 190, the lower end of the front subframe rear mounting plate 190 is welded and fixed with the battery front mounting plate assembly 220, and the upper end of the front longitudinal beam rear section connecting plate assembly 210 is welded and fixed with the front longitudinal beam rear section connecting plate assembly 210;
the front longitudinal beam rear section connecting plate assembly 210, the auxiliary frame left rear mounting plate assembly 180, the battery front mounting plate assembly 220 and the wheel cover inner reinforcing plate assembly 250 are welded and fixed;
the front battery mounting plate assembly 220, the front battery mounting plate assembly 220 is provided with a battery mounting fixed point, and a secondary positioning hole of the front longitudinal beam assembly structure 100 is provided;
the front longitudinal beam rear section stiffening beam lower plate assembly 230, the front longitudinal beam rear section stiffening beam lower plate assembly 230 is riveted and fixed with the front longitudinal beam front section assembly 260, and is welded and fixed with the subframe left rear mounting plate assembly 180 and the front longitudinal beam rear section stiffening beam upper plate 240 to form a cavity II 312;
the front longitudinal beam rear section stiffening beam upper plate 240, the front longitudinal beam rear section stiffening beam upper plate 240 is riveted and fixed with the front longitudinal beam front section assembly 260, and is welded and fixed with the subframe left rear mounting plate assembly 180 and the front longitudinal beam rear section stiffening beam lower plate assembly 230;
the wheel cover inner reinforcing plate assembly 250, the auxiliary frame left rear mounting plate assembly 180, the front longitudinal beam rear section connecting plate assembly 210 and the link plate 120 are welded and fixed;
the front side member front section assembly 260, the front side member front section assembly 260 is provided with an accommodation space, the housing defines the partition 161, and the rest is a crumple zone, and the housing is provided with a mounting hole and a main positioning hole of the front side member assembly structure 100.
In the front longitudinal beam assembly structure 100 according to this embodiment, the front longitudinal beam front section component 260 is an aluminum 6063-BA extrusion molding process mesh-shaped aluminum profile, as shown in fig. 4, which has better energy absorbing capability and can fully collapse and absorb energy. The front side rail gusset inner panel assembly 130 and the front side rail gusset outer panel assembly 160 are formed of high strength stamped steel plates CR950/1300HS which prevent the crush from being deformed by extension to the rear to form a blocking portion.
The front rail rear subframe left rear mounting plate assembly 180, the front rail rear section connecting plate assembly 210, the front rail rear section reinforcing beam lower plate assembly 230, the front rail rear section reinforcing beam upper plate 240, the wheel cover inner reinforcing plate assembly 250 form a cavity one 311, a cavity two 312 and a cavity three 312 by using CR950/1300HS ultra-high strength stamped steel plates, thereby providing effective stress rigidity, guiding the collision force to the threshold portion, and providing subframe mounting points and power battery mounting points. The front rail corner reinforcement panel assemblies 110 function to link the left and right rail assemblies to form a frame and to stabilize the body structure.
The front longitudinal beam assembly is composed of two different materials: steel and aluminum, so that a new linking process is adopted, the steel and aluminum are linked, the steel is required to be subjected to electrophoretic paint spraying, the joint surface of the steel and the aluminum is required to be subjected to glue coating treatment, and then the steel and the aluminum are linked in a self-tapping drilling screw or riveting nut and fastening bolt mode to form a whole.
The details not described in detail in this specification belong to the prior art known to those skilled in the art, all standard parts used by the standard parts can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, which are not described in detail.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the invention are intended to be equivalent substitutes and are included in the scope of the invention.
Claims (9)
1. A longitudinal beam assembly structure before car, its characterized in that:
the front side frame comprises a front side beam angle reinforcing plate assembly (110), a connecting plate (120), a front side beam reinforcing plate inner plate assembly (130), an energy absorption box sealing plate assembly (140), a front mounting plate (150) of a front auxiliary frame, a front side beam reinforcing plate outer plate assembly (160), a front brake hose bracket (170), a left rear mounting plate assembly (180) of the auxiliary frame and a front section assembly (260) of the front side beam;
the connecting plate (120) is arranged between the front longitudinal beam angle reinforcing plate assembly (110) and the front longitudinal beam front section assembly (260), an accommodating space is arranged in the front longitudinal beam front section assembly (260), and the connecting plate (120) is fixedly connected with the wheel cover inner reinforcing plate assembly (250), the front longitudinal beam reinforcing plate assembly (180) and the front longitudinal beam rear section connecting plate assembly (210);
the front longitudinal beam reinforcing plate inner plate assembly (130) and the front longitudinal beam reinforcing plate outer plate assembly (160) are respectively arranged at two sides of the front longitudinal beam front section assembly (260) and are riveted and fixed with the front longitudinal beam front section assembly (260), and the front longitudinal beam reinforcing plate inner plate assembly (130) and the front longitudinal beam reinforcing plate outer plate assembly (160) are bonded and fixed into a whole to form a blocking part so as to prevent the rear extension deformation under the action of impact force;
the energy absorption box sealing plate assembly (140) is packaged at the front end of the front longitudinal beam front section assembly (260), the front mounting plate (150) of the front auxiliary frame extends into the front end of the front longitudinal beam front section assembly (260) and is welded and fixed with the front longitudinal beam front section assembly (260), and the front brake hose bracket (170) is riveted and fixed with the front longitudinal beam front section assembly (260);
the left and rear mounting plate assembly (180) of the auxiliary frame is welded and fixed at the rear part of the front section assembly (260) of the front longitudinal beam, the left and rear mounting plate assembly (180) of the auxiliary frame is welded and fixed with the inner reinforcing plate assembly (250) of the wheel cover and the rear section connecting plate assembly (210) of the front longitudinal beam to form a first cavity (311), and the left and rear mounting plate assembly (180) of the auxiliary frame is welded and fixed with the rear section connecting plate assembly (210) of the front longitudinal beam and the front mounting plate assembly (220) of the battery to form a third cavity (313);
the rear part of the front longitudinal beam front section assembly (260) is fixedly riveted with a front longitudinal beam rear section stiffening beam lower plate assembly (230), and the front longitudinal beam rear section stiffening beam lower plate assembly (230) is fixedly welded with a subframe left rear mounting plate assembly (180) and a front longitudinal beam rear section stiffening beam upper plate (240) to form a cavity II (312);
the front longitudinal beam rear section stiffening beam upper plate (240) is riveted and fixed with the front longitudinal beam front section assembly (260), and is welded and fixed with the auxiliary frame left rear mounting plate assembly (180) and the front longitudinal beam rear section stiffening beam lower plate assembly (230).
2. The automotive front side rail assembly structure of claim 1, wherein: the front longitudinal beam angle reinforcing plate assembly (110) is of a shape like a Chinese character 'ji', a cavity is formed between the front longitudinal beam angle reinforcing plate assembly (110) and the automobile covering part, and the front longitudinal beam angle reinforcing plate assembly (110) is connected with the left longitudinal beam assembly and the right longitudinal beam assembly to form a frame.
3. The automotive front side rail assembly structure of claim 1, wherein: the connecting plate (120) is an inverted L-shaped plate, the connecting plate (120) is arranged at the rear part of the front section assembly (260) of the front longitudinal beam, and the wheel cover inner reinforcing plate assembly (250) is welded and fixed with the left rear mounting plate assembly (180) of the auxiliary frame, the front longitudinal beam rear section connecting plate assembly (210) and the connecting plate (120) into a whole.
4. The automotive front side rail assembly structure of claim 1, wherein: the front longitudinal beam reinforcing plate inner plate assembly (130) and the front longitudinal beam reinforcing plate outer plate assembly (160) are made of CR950/1300HS high-strength stamping steel plates, V-shaped grooves are dug at the bottoms of the front longitudinal beam reinforcing plate inner plate assembly (130) and the front longitudinal beam reinforcing plate outer plate assembly (160), and blocking parts are formed between the front longitudinal beam reinforcing plate inner plate assembly (130) and the front longitudinal beam reinforcing plate outer plate assembly (160) to prevent the rear portion from extending and deforming due to collapsing.
5. The automotive front side rail assembly structure of claim 1, wherein: the rear end face of the energy-absorbing box sealing plate assembly (140) is provided with a clamping groove, and the front longitudinal beam front section assembly (260) is clamped into the clamping groove and is welded and fixed with the energy-absorbing box sealing plate assembly (140) into a whole.
6. The automotive front side rail assembly structure of claim 1, wherein: the front auxiliary frame is characterized by further comprising a front auxiliary frame rear mounting plate (190), the front auxiliary frame rear mounting plate (190) is columnar, the lower end of the front auxiliary frame rear mounting plate (190) is welded and fixed with a battery front mounting plate assembly (220), and the upper end of the front auxiliary frame rear mounting plate (190) is welded and fixed with a front longitudinal beam rear section connecting plate assembly (210).
7. The automotive front side rail assembly structure of claim 1, wherein: the front longitudinal beam rear section connecting plate assembly (210) is welded and fixed with the auxiliary frame left rear mounting plate assembly (180), the battery front mounting plate assembly (220) and the wheel cover inner reinforcing plate assembly (250) respectively, a battery mounting fixed point is arranged on the battery front mounting plate assembly (220), and the battery mounting fixed point provides an auxiliary positioning hole for the front longitudinal beam assembly structure (100).
8. The automotive front side rail assembly structure of claim 1, wherein: the front longitudinal beam front section assembly (260) is an aluminum profile with an aluminum extrusion-molded longitudinal section in a shape of a Chinese character 'mu', the front longitudinal beam front section assembly (260) comprises a left vertical plate (263), a right vertical plate (264), a first transverse plate (261), a second transverse plate (262), a third transverse plate (265) and a fourth transverse plate (266) which are connected between the left vertical plate (263) and the right vertical plate (264), and the first transverse plate (261), the second transverse plate (262), the third transverse plate (265) and the fourth transverse plate (266) are sequentially arranged at intervals from top to bottom; the front longitudinal beam front section assembly (260) shell defines a partition part (161), the rest is a crumple zone, and the front longitudinal beam front section assembly (260) shell is provided with a mounting hole and a main positioning hole of the front longitudinal beam assembly structure (100).
9. The automotive front side rail assembly structure of claim 1, wherein: the auxiliary frame left rear mounting plate assembly (180), the front longitudinal beam rear section connecting plate assembly (210), the front longitudinal beam rear section reinforcing beam lower plate assembly (230), the front longitudinal beam rear section reinforcing beam upper plate (240) and the wheel cover inner reinforcing plate assembly (250) are all made of CR950/1300HS ultra-high strength stamping steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310469012.8A CN116279814B (en) | 2023-04-27 | 2023-04-27 | Automobile front longitudinal beam assembly structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310469012.8A CN116279814B (en) | 2023-04-27 | 2023-04-27 | Automobile front longitudinal beam assembly structure |
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| Publication Number | Publication Date |
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| CN116279814A true CN116279814A (en) | 2023-06-23 |
| CN116279814B CN116279814B (en) | 2023-10-03 |
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| CN202310469012.8A Active CN116279814B (en) | 2023-04-27 | 2023-04-27 | Automobile front longitudinal beam assembly structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891484A (en) * | 2018-04-25 | 2018-11-27 | 力帆实业(集团)股份有限公司 | Automobile front longitudinal beam assembly |
| CN109278865A (en) * | 2018-08-21 | 2019-01-29 | 靖江市新程汽车零部件有限公司 | Car body high intensity front longitudinal beam stiffening plate assembly |
| CN110816662A (en) * | 2018-08-08 | 2020-02-21 | 宝沃汽车（中国）有限公司 | Vehicle with a steering wheel |
| WO2023273698A1 (en) * | 2021-06-29 | 2023-01-05 | 比亚迪股份有限公司 | Body frame and vehicle having same |
| WO2023016123A1 (en) * | 2021-08-13 | 2023-02-16 | 长城汽车股份有限公司 | Lower vehicle body front structure and vehicle |
-
2023
- 2023-04-27 CN CN202310469012.8A patent/CN116279814B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891484A (en) * | 2018-04-25 | 2018-11-27 | 力帆实业(集团)股份有限公司 | Automobile front longitudinal beam assembly |
| CN110816662A (en) * | 2018-08-08 | 2020-02-21 | 宝沃汽车（中国）有限公司 | Vehicle with a steering wheel |
| CN109278865A (en) * | 2018-08-21 | 2019-01-29 | 靖江市新程汽车零部件有限公司 | Car body high intensity front longitudinal beam stiffening plate assembly |
| WO2023273698A1 (en) * | 2021-06-29 | 2023-01-05 | 比亚迪股份有限公司 | Body frame and vehicle having same |
| WO2023016123A1 (en) * | 2021-08-13 | 2023-02-16 | 长城汽车股份有限公司 | Lower vehicle body front structure and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116279814B (en) | 2023-10-03 |
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