CN107416042A - A kind of endian format framework beam of front of car floor - Google Patents

A kind of endian format framework beam of front of car floor Download PDF

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Publication number
CN107416042A
CN107416042A CN201710577265.1A CN201710577265A CN107416042A CN 107416042 A CN107416042 A CN 107416042A CN 201710577265 A CN201710577265 A CN 201710577265A CN 107416042 A CN107416042 A CN 107416042A
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CN
China
Prior art keywords
floor
plate
connection board
hand
rail members
Prior art date
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Granted
Application number
CN201710577265.1A
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Chinese (zh)
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CN107416042B (en
Inventor
胡启新
余战
王祥飞
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Chongqing Changan Automobile Co Ltd
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Chongqing Changan Automobile Co Ltd
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Priority to CN201710577265.1A priority Critical patent/CN107416042B/en
Publication of CN107416042A publication Critical patent/CN107416042A/en
Application granted granted Critical
Publication of CN107416042B publication Critical patent/CN107416042B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units
    • 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
    • B62D21/15Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/157Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body for side impacts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units
    • B62D25/2009Floors or bottom sub-units in connection with other superstructure subunits
    • B62D25/2018Floors or bottom sub-units in connection with other superstructure subunits the subunits being front structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units
    • B62D25/2009Floors or bottom sub-units in connection with other superstructure subunits
    • B62D25/2036Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars

Abstract

The present invention relates to a kind of endian format framework beam of front of car floor, including four groups of rail members, that is the first rail members, the second rail members, the 3rd rail members and the 4th rail members, also include four groups of beam members, that is first crossbeam component, second cross beam component, the 3rd beam member and the 4th beam member, it is characterized in that:Four groups of rail members and the intersecting connection of four groups of beam members form the endian format framework beam with the first space, the second space, the 3rd space, the 4th space, the 5th space, the 6th space, the 7th space, the 8th space and the 9th space, and automobile front floor is connected to above endian format framework beam.The present invention can improve the structural strength of front floor of automobile body, sufficiently effective absorption and scattered collision energy, meet the requirement of safety collision regulation, can reach good passenger protection effect.

Description

A kind of endian format framework beam of front of car floor
Technical field
The present invention relates to body of a motor car, and in particular to a kind of endian format framework beam of front of car floor.
Background technology
Now due to colliding causes crew module to deform, so as to which the event damaged to driver and crew is of common occurrence. In order to increase the rigidity on preceding floor, intensity, influence of the collision to crew module is reduced, protection driver and crew are safe, adopted on preceding floor With complicated cross beam of front seat and its reinforcer, while there is complicated front floor reinforcement.Before common body of a motor car Tabulare, which is set a roof beam in place, sphere of movements for the elephants structure and " mesh " word structure.Although this structure lighter in weight, its rigidity and intensity are sometimes difficult To meet the requirement of vehicle body more high safety.CN104554481A discloses " a kind of front floor of vehicle body framework and vehicle ", the vehicle body Front floor framework include left-hand door sill longeron, right threshold longeron, middle passage longeron, be connected laterally at the left-hand door sill indulge final version beam, Crossbeam on the middle passage longeron and the right threshold longeron, the crossbeam include front beam and set with the front beam interval The rear cross beam put, the front floor of vehicle body framework also include left longitudinal floor beam and right longitudinal floor beam, the left longitudinal floor beam and institute State right longitudinal floor beam to be fixedly connected with the crossbeam, and the left longitudinal floor beam is fixedly attached to the left side by left tie-beam Threshold longeron, the right longitudinal floor beam are fixedly attached to the right threshold longeron by right tie-beam.Described front floor of automobile body Skeleton, can be by hitting when vehicle is collided with interconnection longeron and two crossbeams on front floor of vehicle body framework to transmit Power is hit, improves the structural strength of body platform, reduces the deformation of passenger space when vehicle collides.Certainly, this is institute Belong to a kind of beneficial exploration of technical field.
The content of the invention
It is an object of the invention to provide a kind of endian format framework beam of front of car floor, and it can improve front floor of vehicle body The structural strength of plate, sufficiently effective absorption and scattered collision energy, meet the requirement of safety collision regulation, can reach good Passenger protection effect.
A kind of endian format framework beam of front of car floor of the present invention, including four groups of rail members, i.e., first Rail members, the second rail members, the 3rd rail members and the 4th rail members, in addition to four groups of beam members, i.e., first is horizontal Beam, second cross beam component, the 3rd beam member and the 4th beam member, it is characterized in that:Four groups of rail members and four The intersecting connection of group beam member is formed with the first space, the second space, the 3rd space, the 4th space, the 5th space, the 6th empty Lattice, the 7th space, the 8th space and the endian format framework beam in the 9th space, automobile front floor are connected to endian format framework beam Above.
Further, first rail members are formed by left-hand door sill outside plate and with the left threshold internal plate that its right side is fixedly connected Cell type cavity structure.
Second rail members by cabin left rear longitudinal beam section, the left longeron section in preceding floor and rear floor left front girder section successively It is fixedly connected with composition;
3rd rail members by the right floor side member section of cabin, preceding floor right vertical beam section and rear floor front right longitudinal beam section successively It is fixedly connected with composition;
4th rail members are formed by right threshold outside plate and with the right threshold internal plate that its left side is fixedly connected.
Further, the first crossbeam component is included under left-hand door sill side fishplate bar, middle passage sill left connection board, middle passage Crossbeam, middle passage sill right connection board and right threshold side fishplate bar;In the left end and the left-hand door sill of the left-hand door sill side fishplate bar It is fixedly connected on the right of plate, right-hand member is fixedly connected with the left side of the cabin left rear longitudinal beam section;The middle left company of passage sill The left end of fishplate bar is fixedly connected with the right point of the cabin left rear longitudinal beam section, the right-hand member of the middle passage sill left connection board It is fixedly connected with the left end of the middle passage sill, the right-hand member of the middle passage sill and the middle right company of passage sill The left end of fishplate bar is fixedly connected, and the right-hand member of the middle passage sill right connection board and the left side of the right floor side member section of the cabin are consolidated Fixed connection;
The right-hand member of the right threshold side fishplate bar is fixedly connected with the left side of the right threshold internal plate, and the automobile front floor connects It is connected on above the first crossbeam component.
Further, the second cross beam component includes connecting plate, front beam left connection board, front beam, preceding horizontal stroke before left longeron Connecting plate before beam right connection board and right vertical beam;The left end of connecting plate and the right of the left threshold internal plate are fixed before the left longeron Connection, right-hand member are fixedly connected with the left side of the preceding left longeron section in floor;The left end of the front beam left connection board with it is described before It is fixedly connected on the right of the left longeron section in floor, the right-hand member of the front beam left connection board is fixed with the left end of the front beam to be connected Connect, the right-hand member of the front beam is fixedly connected with the left side of the front beam right connection board, the right side of the front beam right connection board The left side of the preceding floor right vertical beam section in side is fixedly connected, the right of the preceding floor right vertical beam section and connecting plate before the right vertical beam The left side is fixedly connected, and the right of connecting plate is fixedly connected with the left side of the right threshold internal plate before the right vertical beam, the automobile Preceding floor is connected to above the second cross beam component.
Further, the 3rd beam member includes connecting plate, rear cross beam left connection board, rear cross beam, rear horizontal stroke after left longeron Connecting plate after beam right connection board and right vertical beam;The left end of connecting plate and the right of the left threshold internal plate are fixed after the left longeron Connection, right-hand member are fixedly connected with the left side of the preceding left longeron section in floor;The left end of the rear cross beam left connection board with it is described before It is fixedly connected on the right of the left longeron section in floor, the right-hand member of the rear cross beam left connection board is fixed with the left end of the rear cross beam to be connected Connect, the right-hand member of the rear cross beam is fixedly connected with the left side of the rear cross beam right connection board, the right side of the rear cross beam right connection board Side is fixedly connected with the left side of the preceding floor right vertical beam section, and the right of the preceding floor right vertical beam section after the right vertical beam with connecting The left side of fishplate bar is fixedly connected, and the right of connecting plate and the left side of the right threshold internal plate are fixed and connected after the right vertical beam Connect, the automobile front floor is connected to above the 3rd beam member.
Further, the 4th beam member include rear floor left front girder connecting plate, rear floor front beam left connection board, Floor front beam, rear floor front beam right connection board and rear floor front right longitudinal beam connecting plate afterwards;Floor left front girder connects after described The left end of fishplate bar on the right of the left threshold internal plate with being fixedly connected, right-hand member and the left side of the rear floor left front girder section are fixed Connection;The back plate the left end of front beam left connection board with it is described after be fixedly connected on the right of floor left front girder section, it is described Back plate the right-hand member of front beam left connection board with it is described after the left end of floor front beam be fixedly connected, it is described after floor front beam Right-hand member with it is described after the left side of floor front beam right connection board be fixedly connected, it is described after floor front beam right connection board the right with The left side of floor front right longitudinal beam section is fixedly connected after described, before the right of the rear floor front right longitudinal beam section and the rear floor right side The left side of longeron connecting plate is fixedly connected, the right and the left side of the right threshold internal plate of the rear floor front right longitudinal beam connecting plate It is fixedly connected, the automobile front floor is connected to above the 4th beam member.
Further, four groups of rail members and the intersecting connection of four groups of beam members form endian format framework beam or so pair Claim, the spacing between first rail members and the second beam is W1, between the second rail members and the 3rd beam Spacing is W2, and the spacing between the 3rd rail members and the 4th beam is W3, and W1=W3, W2=2W1~3W1.
Further, the distance between the first crossbeam component and second cross beam component are L1, second cross beam component and The distance between three beam members are L2, and the distance between the 3rd beam member and the 4th beam member are L3, and L1 ≈ L2 ≈L3。
Further, four groups of beam members and four groups of rail members are U-shaped girder construction.
The present invention has advantages below compared with prior art:
Because the endian format skeleton girder construction itself of front of car floor is symmetrical, wherein four groups of beam members are uniform Distribution, is advantageous to uniform stressed.Four groups of rail members are inclined to the right and left to preferably bear the shock loading of side collision It is scattered, and intermediate region is relatively wide, can be the arrangement leaving space of silencer;
Due to four groups of beam members and the interlaced formation endian format skeleton girder construction of four groups of rail members, automobile front floor Plate welds to form closing box-like cavity structure with endian format framework beam group, can improve vehicle body stiffness to greatest extent.When generation side When face is collided, the shock loading at driver becomes first left-hand door sill outside plate and the cell type cavity of left threshold internal plate Shape, connecting plate is left after the left and preceding longitudinal floor beam of connecting plate before longitudinal floor beam before then excess energy is passed to, after crumple deformation, 4th space 40, the 5th space 50, the 6th space 60 diminish, and the second rail members are compressed, and last middle four groups of crossbeams are inhaled Receive its complementary energy during collision.
Because four groups of beam members and four groups of rail members are U-shaped girder construction, punching press is convenient, and stock utilization is high, its End turnup structure, it is easy to weld, it is easily operated.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention (figure is body of a motor car posture upward view, and not with preceding floor);
Fig. 2 is the endian format framework beam schematic diagram that the present invention is formed;
Fig. 3 is the exploded view of the first rail members;
Fig. 4 is the exploded view of the second rail members;
Fig. 5 is the exploded view of the 3rd rail members;
Fig. 6 is the exploded view of the 4th rail members;
Fig. 7 is the exploded view of first crossbeam component;
Fig. 8 is the exploded view of second cross beam component;
Fig. 9 is the exploded view of the 3rd beam member;
Figure 10 is the exploded view of the 4th beam member;
Figure 11 is Fig. 1 A-A sectional drawings;
Figure 12 is Fig. 1 B-B sectional drawings;
Figure 13 is Fig. 1 C-C sectional drawings;
Figure 14 is Fig. 1 D-D sectional drawings.
In figure:The rail members of 1- first, 11- left-hand door sill outside plates, the left threshold internal plates of 12-;
The rail members of 2- second, 21- cabin left rear longitudinal beam sections, the left longeron section in the preceding floors of 22-, floor is left front after 23- Longeron section;
The rail members of 3- the 3rd, the right floor side member section of 31- cabins, the preceding floor right vertical beam sections of 32-, after 33- before the right side of floor Longeron section;
The rail members of 4- the 4th, the right threshold outside plates of 41-, the right threshold internal plates of 42-;
5- first crossbeam components, 51- left-hand door sill side fishplate bar, passage sill left connection board in 52-, passage in 53- Sill, passage sill right connection board in 54-, the right threshold side fishplate bars of 54-;
6- second cross beam components, connecting plate before the left longerons of 61-, 62- front beam left connection boards, 63- front beams, 64- Front beam right connection board, connecting plate before 65- right vertical beams;
The beam members of 7- the 3rd, connecting plate after the left longerons of 71-, 72- rear cross beam left connection boards, 73- rear cross beams, 74- Rear cross beam right connection board, connecting plate after 75- right vertical beams;
The beam members of 8- the 4th, floor left front girder connecting plate after 81-, floor front beam left connection board after 82-, Floor front beam after 83-, floor front beam right connection board after 84-, floor front right longitudinal beam connecting plate after 85-;
The spaces of 10- first, the spaces of 20- second, the spaces of 30- the 3rd, the spaces of 40- the 4th, the spaces of 50- the 5th, 60- 6th space, the spaces of 70- the 7th, the spaces of 80- the 8th, the spaces of 90- the 9th, 100- automobile front floors.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Referring to a kind of endian format framework beam of front of car floor shown in Fig. 1 and Fig. 2, including four groups of rail members, That is the first rail members 1, the second rail members 2, the 3rd rail members 3 and the 4th rail members 4, in addition to four groups of crossbeam structures Part, i.e. first crossbeam component 5, second cross beam component 6, the 3rd beam member 7 and the 4th beam member 8, it is characterized in that:Described four Group rail members and the intersecting connection of four groups of beam members are formed with the first space 10, the second space 20, the 3rd space the 30, the 4th Space 40, the 5th space 50, the 6th space 60, the 7th space 70, the endian format skeleton in the 8th space 80 and the 9th space 90 Beam, automobile front floor 100 are connected to above endian format framework beam and do not mark 100 in Fig. 1 and Fig. 2.First crossbeam component master Strengthen the intensity on preceding floor and cabin connecting portion, the 4th beam member mainly strengthens preceding floor and rear floor connecting portion Intensity.The mounting bracket of seat is respectively positioned at the top of second cross beam component and the 3rd beam member, i.e., positioned at nine grids The middle part of framework beam, intensity are best.This endian format framework beam welds to form closing box-like cavity structure with preceding floor group, can be most Limits improve vehicle body stiffness.
Referring to Fig. 3, first rail members 1 are by left-hand door sill outside plate 11 and the left threshold internal plate being fixedly connected with its right side 12 form cell type cavity structure;When side collision occurs, the shock loading at driver can make left-hand door sill outside plate first Deformed with the cell type cavity of left threshold internal plate, excess energy is then passed into left-hand door sill side fishplate bar 51 and rear floor is left front Longeron connecting plate 81, crumple deformation after, the 4th space 40, the 5th space 50 and the 6th space 60 diminish, the second rail members 2 by To compression, its complementary energy during collision is finally absorbed by four groups of beam members.
Referring to Fig. 4, second rail members 2 are by cabin left rear longitudinal beam section 21, the left longeron section 22 in preceding floor and rear floor Left front girder section 23 is fixedly connected sequentially composition;
Referring to Fig. 5, the 3rd rail members 3 are by the right floor side member section 31 of cabin, preceding floor right vertical beam section 32 and rear floor Front right longitudinal beam section 33 is fixedly connected sequentially composition;
Referring to Fig. 6, the 4th rail members 4 are by right threshold outside plate 41 and the right threshold internal plate being fixedly connected with its left side 42 are formed.
Referring to Fig. 7, the first crossbeam component 5 include left-hand door sill side fishplate bar 51, middle passage sill left connection board 52, in Passage sill 53, middle passage sill right connection board 54 and right threshold side fishplate bar 55;
Referring to Figure 11, the left end of the left-hand door sill side fishplate bar 51 is fixedly connected with the right of the left threshold internal plate 12, is right End is fixedly connected with the left side of the cabin left rear longitudinal beam section 21;
The left end of the middle passage sill left connection board 52 and the right point of the cabin left rear longitudinal beam section 21 are fixed and connected Connect, the right-hand member of the middle passage sill left connection board 52 is fixedly connected with the left end of the middle passage sill 53, in described The right-hand member of passage sill 53 is fixedly connected with the left end of the middle passage sill right connection board 54, the middle passage sill The right-hand member of right connection board 54 is fixedly connected with the left side of the right floor side member section 31 of the cabin;
The right-hand member of the right threshold side fishplate bar 55 is fixedly connected with the left side of the right threshold internal plate 42, the automobile front floor Plate 100 is connected to above the first crossbeam component 5.
Include connecting plate 61, front beam left connection board 62, front beam before left longeron referring to second cross beam component 6 described in Fig. 8 63rd, connecting plate 65 before front beam right connection board 64 and right vertical beam;
Referring to Figure 12, before left longeron the left end of connecting plate 61 be fixedly connected with the right of the left threshold internal plate 12, right-hand member It is fixedly connected with the left side of the preceding left longeron section 22 in floor;The left end of the front beam left connection board 62 and the preceding floor are left The right of longeron section 22 is fixedly connected, and the left end of the right-hand member of the front beam left connection board 62 and the front beam 63, which is fixed, to be connected Connect, the right-hand member of the front beam 63 is fixedly connected with the left side of the front beam right connection board 64, the front beam right connection board The left side of the 64 preceding floor right vertical beam section 32 in the right is fixedly connected, the right and the right vertical beam of the preceding floor right vertical beam section 32 The left side of preceding connecting plate 65 is fixedly connected, and the right of connecting plate 65 and the left side of the right threshold internal plate 42 are consolidated before the right vertical beam Fixed connection, the automobile front floor 100 are connected to above the second cross beam component 6.
Referring to Fig. 9, the 3rd beam member 7 includes connecting plate 71, rear cross beam left connection board 72, rear cross beam after left longeron 73rd, connecting plate 75 after rear cross beam right connection board 74 and right vertical beam;
Referring to Figure 13, after the left longeron left end of connecting plate 71 be fixedly connected with the right of the left threshold internal plate 12, Right-hand member is fixedly connected with the left side of the preceding left longeron section 22 in floor;The left end of the rear cross beam left connection board 72 with it is described precedingly The right of the left longeron section 22 of plate is fixedly connected, and the left end of the right-hand member of the rear cross beam left connection board 72 and the rear cross beam 73 is fixed Connection, the right-hand member of the rear cross beam 73 are fixedly connected with the left side of the rear cross beam right connection board 74, the right connection of rear cross beam The right of plate 74 is fixedly connected with the left side of the preceding floor right vertical beam section 32, the right of the preceding floor right vertical beam section 32 and institute The left side for stating connecting plate 75 after right vertical beam is fixedly connected, after the right vertical beam the right of connecting plate 75 with the right threshold The left side of plate 42 is fixedly connected, and the automobile front floor 100 is connected to above the 3rd beam member 7.
Referring to Figure 10, the 4th beam member 8 includes rear floor left front girder connecting plate 81, the rear left company of floor front beam Fishplate bar 82, rear floor front beam 83, rear floor front beam right connection board 84 and rear floor front right longitudinal beam connecting plate 85;
Referring to Figure 14, the left end of the rear floor left front girder connecting plate 81 and the right of the left threshold internal plate 12 are fixed Connection, right-hand member are fixedly connected with the left side of the rear floor left front girder section 23;Back plate ground front beam left connection board 82 Left end with it is described after the right of floor left front girder section 23 be fixedly connected, the back plate the right-hand member of front beam left connection board 82 with The left end of floor front beam 83 is fixedly connected after described, and the right-hand member of the rear floor front beam 83 and the rear floor front beam are right The left side of connecting plate 84 is fixedly connected, the right of the rear floor front beam right connection board 84 and the rear floor front right longitudinal beam section 33 left side is fixedly connected, the right of the rear floor front right longitudinal beam section 33 and a left side for the rear floor front right longitudinal beam connecting plate 85 While being fixedly connected, the right of the rear floor front right longitudinal beam connecting plate 85 is fixedly connected with the left side of the right threshold internal plate 42, The automobile front floor 100 is connected to above the 4th beam member 8.
Four groups of rail members and four groups of beam members intersect connection to form endian format framework beam symmetrical, described Spacing between first rail members 1 and the second beam 2 is W1, the spacing between the second rail members 2 and the 3rd beam 3 For W2, the spacing between the 3rd rail members 3 and the 4th beam 4 is W3, and W1=W3, W2=2W1~3W1;Described four Group rail members are inclined to the right and left and disperseed, and preferably to bear the shock loading of side collision, and intermediate region is relatively wide, It can be the arrangement leaving space of silencer.
The distance between the first crossbeam component 5 and second cross beam component 6 are L1, and second cross beam component 6 and the 3rd is horizontal The distance between beam 7 is L2, and the distance between the 3rd beam member 7 and the 4th beam member 8 are L3, L1 ≈ L2 ≈ L3, Four groups of beam members are uniformly distributed and are advantageous to uniform stressed.
Four groups of beam members and four groups of rail members are U-shaped girder construction.Punching press is convenient, and stock utilization is high, its End turnup structure, it is easy to weld, it is easily operated.

Claims (9)

1. a kind of endian format framework beam of front of car floor, including four groups of rail members, i.e. the first rail members (1), Two rail members (2), the 3rd rail members (3) and the 4th rail members (4), in addition to four groups of beam members, i.e. first crossbeam Component (5), second cross beam component (6), the 3rd beam member (7) and the 4th beam member (8), it is characterized in that:Described four groups are indulged Beam and the intersecting connection of four groups of beam members are formed with the first space (10), the second space (20), the 3rd space (30), the Four spaces (40), the 5th space (50), the 6th space (60), the 7th space (70), the 8th space (80) and the 9th space (90) Endian format framework beam, automobile front floor (100) is connected to above endian format framework beam.
2. the endian format framework beam of front of car floor according to claim 1, it is characterized in that:The first longeron structure Part (1) forms cell type cavity structure by left-hand door sill outside plate (11) and with the left threshold internal plate (12) that its right side is fixedly connected;
Second rail members (2) are left front vertical by cabin left rear longitudinal beam section (21), the left longeron section (22) in preceding floor and rear floor Beam section (23) is fixedly connected sequentially composition;
3rd rail members (3) before the right floor side member section (31) of cabin, preceding floor right vertical beam section (32) and the rear floor right side by indulging Beam section (33) is fixedly connected sequentially composition;
4th rail members (4) are by right threshold outside plate (41) and right threshold internal plate (42) structure being fixedly connected with its left side Into.
3. the endian format framework beam of front of car floor according to claim 1 or 2, it is characterized in that:Described first is horizontal Beam (5) include left-hand door sill side fishplate bar (51), middle passage sill left connection board (52), middle passage sill (53), in lead to Road sill right connection board (54) and right threshold side fishplate bar (55);The left end of the left-hand door sill side fishplate bar (51) and the left-hand door sill Inner panel is fixedly connected on the right of (12), right-hand member is fixedly connected with the left side of the cabin left rear longitudinal beam section (21);The middle passage The left end of sill left connection board (52) is fixedly connected with the right point of the cabin left rear longitudinal beam section (21), under the middle passage The right-hand member of beam left connecting plate (52) is fixedly connected with the left end of the middle passage sill (53), the middle passage sill (53) right-hand member is fixedly connected with the left end of the middle passage sill right connection board (54), the middle right connection of passage sill The left side of the right-hand member of plate (54) floor side member section (31) right with the cabin is fixedly connected;
The right-hand member of the right threshold side fishplate bar (55) is fixedly connected with the left side of the right threshold internal plate (42), the automobile front floor Plate (100) is connected to above the first crossbeam component (5).
4. the endian format framework beam of front of car floor according to claim 3, it is characterized in that:The second cross beam structure Part (6) includes connecting plate (61), front beam left connection board (62), front beam (63), front beam right connection board (64) before left longeron With connecting plate before right vertical beam (65);The left end of connecting plate (61) and the right of the left threshold internal plate (12) are consolidated before the left longeron Fixed connection, right-hand member are fixedly connected with the left side of the preceding left longeron section (22) in floor;A left side for the front beam left connection board (62) End with being fixedly connected on the right of the preceding left longeron section (22) in floor, the right-hand member of the front beam left connection board (62) and it is described before The left end of crossbeam (63) is fixedly connected, and the right-hand member of the front beam (63) and the left side of the front beam right connection board (64) are fixed Connection, the left side of the preceding floor right vertical beam section (32) in the right of the front beam right connection board (64) are fixedly connected, the preceding floor The right of right vertical beam section (32) is fixedly connected with the left side of connecting plate (65) before the right vertical beam, connecting plate before the right vertical beam (65) the right is fixedly connected with the left side of the right threshold internal plate (42), and the automobile front floor (100) is connected to described Above two beam members (6).
5. the endian format framework beam of front of car floor according to claim 4, it is characterized in that:The 3rd crossbeam structure Part (7) includes connecting plate (71), rear cross beam left connection board (72), rear cross beam (73), rear cross beam right connection board (74) after left longeron With connecting plate after right vertical beam (75);The left end of connecting plate (71) and the right of the left threshold internal plate (12) are consolidated after the left longeron Fixed connection, right-hand member are fixedly connected with the left side of the preceding left longeron section (22) in floor;A left side for the rear cross beam left connection board (72) End with being fixedly connected on the right of the preceding left longeron section (22) in floor, the right-hand member of the rear cross beam left connection board (72) and it is described after The left end of crossbeam (73) is fixedly connected, and the right-hand member of the rear cross beam (73) and the left side of the rear cross beam right connection board (74) are fixed Connection, the right of the rear cross beam right connection board (74) is fixedly connected with the left side of the preceding floor right vertical beam section (32), described The right of preceding floor right vertical beam section (32) is fixedly connected with the left side of connecting plate (75) after the right vertical beam, the right vertical beam The right of connecting plate (75) is fixedly connected with the left side of the right threshold internal plate (42) afterwards, automobile front floor (100) connection Above the 3rd beam member (7).
6. the endian format framework beam of front of car floor according to claim 5, it is characterized in that:The 4th crossbeam structure Part (8) include rear floor left front girder connecting plate (81), rear floor front beam left connection board (82), rear floor front beam (83), Floor front beam right connection board (84) and rear floor front right longitudinal beam connecting plate (85) afterwards;Floor left front girder connecting plate after described (81) left end is on the right of the left threshold internal plate (12) with being fixedly connected, right-hand member with it is described after floor left front girder section (23) The left side is fixedly connected;The back plate the left end of front beam left connection board (82) with it is described after floor left front girder section (23) the right side While be fixedly connected, the back plate the right-hand member of front beam left connection board (82) and it is described after the left end of floor front beam (83) fix Connection, the right-hand member of the rear floor front beam (83) are fixedly connected with the left side of the rear floor front beam right connection board (84), The right of floor front beam right connection board (84) is fixedly connected with the left side of the rear floor front right longitudinal beam section (33) after described, institute The right for stating rear floor front right longitudinal beam section (33) is fixedly connected with the left side of the rear floor front right longitudinal beam connecting plate (85), described The right of floor front right longitudinal beam connecting plate (85) is fixedly connected with the left side of the right threshold internal plate (42) afterwards, the automobile front floor Plate (100) is connected to above the 4th beam member (8).
7. the endian format framework beam of front of car floor according to claim 1 or 2, it is characterized in that:Described four groups are indulged Beam and four groups of beam members intersect connection to form endian format framework beam symmetrical, first rail members (1) with Spacing between second beam (2) is W1, and the spacing between the second rail members (2) and the 3rd beam (3) is W2, the 3rd Spacing between rail members (3) and the 4th beam (4) is W3, and W1=W3, W2=2W1~3W1.
8. the endian format framework beam of front of car floor according to claim 1 or 2, it is characterized in that:Described first is horizontal The distance between beam (5) and second cross beam component (6) are L1, between second cross beam component (6) and the 3rd beam member (7) Distance be L2, the distance between the 3rd beam member (7) and the 4th beam member (8) are L3, and L1 ≈ L2 ≈ L3.
9. the endian format framework beam of front of car floor according to claim 1 or 2, it is characterized in that:Described four groups horizontal Beam and four groups of rail members are U-shaped girder construction.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110316031A (en) * 2018-03-29 2019-10-11 本田技研工业株式会社 The board structure of automobile

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CN101823509A (en) * 2010-04-14 2010-09-08 奇瑞汽车股份有限公司 Automobile front floor framework
DE102014211534A1 (en) * 2014-06-17 2015-12-17 Volkswagen Ag vehicle body
CN105667596A (en) * 2016-01-08 2016-06-15 邹帆 Automobile chassis main load bearing structure made of composite material
CN106240642A (en) * 2016-08-15 2016-12-21 郑州宇通客车股份有限公司 A kind of vehicle frame and the vehicle with this vehicle frame

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Publication number Priority date Publication date Assignee Title
CN101823509A (en) * 2010-04-14 2010-09-08 奇瑞汽车股份有限公司 Automobile front floor framework
DE102014211534A1 (en) * 2014-06-17 2015-12-17 Volkswagen Ag vehicle body
CN105667596A (en) * 2016-01-08 2016-06-15 邹帆 Automobile chassis main load bearing structure made of composite material
CN106240642A (en) * 2016-08-15 2016-12-21 郑州宇通客车股份有限公司 A kind of vehicle frame and the vehicle with this vehicle frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110316031A (en) * 2018-03-29 2019-10-11 本田技研工业株式会社 The board structure of automobile

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