CN105539587A - Modularized rear suspension beam structure for passenger car - Google Patents

Modularized rear suspension beam structure for passenger car Download PDF

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Publication number
CN105539587A
CN105539587A CN201510976575.1A CN201510976575A CN105539587A CN 105539587 A CN105539587 A CN 105539587A CN 201510976575 A CN201510976575 A CN 201510976575A CN 105539587 A CN105539587 A CN 105539587A
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China
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assembly
column
shock absorber
thrust bearing
shrouding
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CN201510976575.1A
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CN105539587B (en
Inventor
熊成林
王孝来
严伟
汪俭
刘有建
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Anhui Ankai Automobile Co Ltd
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Anhui Ankai Automobile Co Ltd
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Priority to CN201510976575.1A priority Critical patent/CN105539587B/en
Publication of CN105539587A publication Critical patent/CN105539587A/en
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    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention relates to a modularized rear suspension beam structure for a passenger car. The modularized rear suspension beam structure for the passenger car comprises a rear suspension front section beam assembly, a connecting longitudinal beam assembly and a rear suspension rear section beam assembly which are all sequentially arranged from front to back. The connecting longitudinal beam assembly comprises a left connecting longitudinal beam assembly body and a right connecting longitudinal beam assembly body which are symmetrically arranged. A large rod beam assembly is embedded in the portion between the front end of the left connecting longitudinal beam assembly body and the front end of the right connecting longitudinal beam assembly body. A stabilizing rod support assembly is connected between the left connecting longitudinal beam assembly body and the right connecting longitudinal beam assembly body. By the adoption of the modularized rear suspension beam structure, the defects existing in the prior art can be overcome, the structure has the beneficial effects of being high in universalization strength, low in labor intensity, short in production period, high in space use rate and the like, and the requirement for the light passenger car is met.

Description

Suspension beam structure after a kind of passenger vehicle modularization
Technical field
The present invention relates to Bus Technology field, be specifically related to suspension beam structure after a kind of passenger vehicle modularization.
Background technology
All-loading coach is good due to its structural strength, passive satety, and present high-end large-scale passenger vehicle is widely adopted.All-loading coach skeleton is a kind of integral truss-type closed loop configuration, its main body is welded by a large amount of little rectangular tubes, therefore, there is the difficult problem that the various frocks of needs such as welding labour intensity is high, work capacity large, welding precision ensure in all-loading coach in manufacturing process.And in a Bus Frame, the namely fore suspension and rear suspension structure that welding difficulty is maximum, accuracy requirement is the highest.Be equipped with for identical rear-mounted and the different passenger vehicle of other structures for two, due to its all-in-one-piece design feature of carrying entirely, its rear overhang section is not identical yet, needs different frocks to ensure yet.
Summary of the invention
The object of the present invention is to provide suspension beam structure after a kind of passenger vehicle modularization, after this modularization, suspension beam structure can solve the deficiencies in the prior art, have that universalization intensity is high, labour intensity is low, with short production cycle, space availability ratio high, and meet the requirement of passenger vehicle weight-saving.
For achieving the above object, present invention employs following technical scheme:
Suspension beam structure after a kind of passenger vehicle modularization, cut section bar after comprising rear overhang starting section beam assembly, longitudinal beam connected assembly and the rear overhang set gradually from front to back assembly; Described longitudinal beam connected assembly comprises symmetrically arranged left longitudinal beam connected assembly and right longitudinal beam connected assembly; Embed between the front end of described left longitudinal beam connected assembly and the front end of right longitudinal beam connected assembly and big stick-means of intimidation beam assembly is installed; Stabilizer bar arm assembly is connected with between described left longitudinal beam connected assembly and described right longitudinal beam connected assembly.
Further, described rear overhang starting section beam assembly comprise from up to down set gradually the first entablatrance, the first intermediate transverse girder and the first cross sill, for the column that is connected the first entablatrance, the first intermediate transverse girder and the first cross sill and the lower thrust bearing assembly be arranged on bottom the first cross sill; Described column comprises right column in left column and first in symmetrically arranged first left column and the first right column, first successively; The first reinforcement diagonal brace is equipped with between the two ends of described first intermediate transverse girder and the first left column, the first right column; The first column reinforced rib is equipped with between right column and described first cross sill in left column, first in described first left column, the first right column, first; Column dowel is equipped with between right column between left column, in described first right column and first in described first left column and first; Described lower thrust bearing assembly comprises symmetrically arranged lower-left thrust bearing assembly and bottom right thrust bearing assembly; Lower thrust bearing deep beam is provided with between described lower-left thrust bearing assembly and described bottom right thrust bearing assembly; Lower thrust bearing reinforced rib is equipped with between described first cross sill and lower-left thrust bearing assembly, bottom right thrust bearing assembly.
Further, described left longitudinal beam connected assembly is identical with the structure of right longitudinal beam connected assembly, the brace panel including stamping forming steel stamping part and be arranged on steel stamping part; The bottom of described steel stamping part is provided with the groove for dodging back axle; The top of described steel stamping part and bottom are equipped with reinforcement flange; Described steel stamping part offers big stick-means of intimidation beam assembly mounting hole and some lightweight through holes; Described brace panel comprises reinforcement side's plate and triangular reinforcing plate.
Further, cut section bar after described rear overhang structure and cut section bar after being symmetricly set on respectively structural left back shock absorber support assembly and right back shock absorber support assembly, left back air-bag support assembly and right back air-bag support assembly, left air cell covering bracket assembly and the right air cell covering bracket assembly of cutting section bar after assembly comprises.
The structure that cuts section bar after described cuts section bar after comprising centre left back structure and the right back structure that cuts section bar of cutting section bar at structure and the two ends, structure left and right that cut section bar after being symmetricly set on centre; The structure that cuts section bar behind described centre comprise the second left column, the second right column, be connected to the second entablatrance between the second left column top and the second right column top, be connected to the second intermediate transverse girder between the second left column stage casing and the second right column stage casing, be connected to some first between the second entablatrance and the second intermediate transverse girder strengthen longeron, be arranged on left column in second of lower end inside in the second left column and be arranged on lower end inside in the second right column second in right column; The second column reinforced rib is equipped with between right column in left column, second in the two ends, left and right and second of described second intermediate transverse girder; Described left back cut section bar structure and the right back structure that cuts section bar include the 3rd entablatrance, be vertically connected on longitudinal column bottom the 3rd entablatrance, be connected to the 3rd intermediate transverse girder between longitudinal column stage casing and the second left column or the second right column, be connected to the longitudinal column reinforced rib between the 3rd entablatrance outer end and longitudinal column lateral surface and be connected between the 3rd entablatrance and the 3rd intermediate transverse girder several second strengthen longeron; The 3rd column reinforced rib is provided with between the inner of described 3rd entablatrance and the second left column or the second right column; Described longitudinal column is L-type.
Described left back shock absorber support assembly is identical with the structure of right back shock absorber support assembly, includes the opening that surrounded by left side board, rear quarter panel, right side board forward U-shaped and is arranged on the top board at U-shaped top; Described top board offers rear shock absorber assembly opening; Described left back shock absorber support assembly, right back shock absorber support assembly are welded on the left back structure that cuts section bar, the 3rd entablatrance of the right back structure that cuts section bar and the 3rd intermediate transverse girder respectively.
Described left back air-bag support assembly is identical with the structure of right back air-bag support assembly, includes rear gasbag dish and symmetrical two the rear gasbags reinforcement diagonal braces be arranged on above rear gasbag dish; Described rear gasbag dish offers rear gasbag assembly opening; Described rear gasbag strengthens the top that diagonal brace is inclined and mounted on rear gasbag dish; The upper end that described rear gasbag strengthens diagonal brace is welded on the 3rd entablatrance; Described rear gasbag dish is positioned at the below of the 3rd intermediate transverse girder.
Described left air cell covering bracket assembly is identical with the structure of right air cell covering bracket assembly, includes upper cross plate and is welded on the lower bent plate bottom upper cross plate; Described lower bent plate is made up of 3 pieces of flat boards that bending is connected successively; Described upper cross plate offers respectively Rear shock absorber support assembly installation gap and rear gasbag bracket assembly installation gap; Described upper cross plate is welded on the lower end on rear side of the 3rd intermediate transverse girder.
Further, described big stick-means of intimidation beam assembly comprises supporting traverse, symmetry is arranged on left front shock absorber support assembly on front side of two ends, supporting traverse left and right and right front shock absorber support assembly, symmetry are arranged on left front air-bag support assembly bottom supporting traverse and right front air-bag support assembly, symmetry and are arranged on upper left thrust bearing assembly bottom supporting traverse and upper right thrust bearing assembly and symmetry and are arranged on the left reinforcement bending part assembly of two ends, supporting traverse left and right lower front and right reinforcement bending part assembly; Described left front shock absorber support assembly, left front air-bag support assembly and upper left thrust bearing assembly set gradually from outside to inside.
Described supporting traverse is rectangular tube.
Described left front shock absorber support assembly is identical with the structure of right front shock absorber support assembly, includes shock absorber mounting board and symmetry and is arranged on two bumper brace panels above shock absorber mounting board; Described shock absorber mounting board offers front shock absorber assembly opening.
Described left front air-bag support assembly is identical with the structure of right front air-bag support assembly, includes front air bag dish, two front air-bag support brace panels that symmetry is arranged on front air bag dish front bottom end and two front air bags that symmetry is arranged on above front air bag back-end disk strengthen diagonal braces; Described front air bag dish offers front air bag assembly opening; The front end of described front air bag dish is oblong, and rear end is semicircle.
Described upper left thrust bearing assembly is identical with the structure of upper right thrust bearing assembly, includes symmetrically arranged upper left thrust pedestal and upper right thrust pedestal, is arranged on the stay bearing plate above upper left thrust pedestal and upper right thrust pedestal and is arranged on the lifting force seat brace panel at stay bearing plate top; Described upper left thrust pedestal and upper right thrust pedestal all offer the second installation through hole.
Described left reinforcement bending part assembly is identical with the structure of right reinforcement bending part assembly, include first connected longitudinal bending part of bending successively, the first transverse fold portion, second longitudinal bending part and the second transverse fold portion, and described first longitudinal bending part offers with in the first transverse fold portion the front damper support installation gap be connected successively.
Further, described stabilizer bar arm assembly comprises stabilizer rod crossbeam and symmetry and is arranged on left stabilizer bar arm bottom stabilizer rod crossbeam and right stabilizer bar arm; Described left stabilizer bar arm is identical with the structure of right stabilizer bar arm, includes and is arranged on support post bottom stabilizer rod crossbeam, is arranged on the stabilizer rod stay bearing plate bottom support post and is symmetricly set on two stabilizer rod brace panels of both sides before and after support post.
Further, described lower-left thrust bearing assembly is identical with the structure of bottom right thrust bearing assembly, the lower thrust bearing supporting construction including symmetrically arranged lower-left thrust pedestal and bottom right thrust pedestal and surrounded by shrouding on rear side of shrouding and first on the right side of side seal board, first on shrouding, first on the left of first; On the left of in the of described first, shrouding is arranged on the left end of lower-left thrust pedestal; On the right side of in the of described first, shrouding is arranged on the right-hand member of bottom right thrust pedestal; On described first, side seal board is arranged on the top of lower-left thrust pedestal and bottom right thrust pedestal, and this is connected with the inside top of shrouding on the right side of shrouding, first on the left of in the of first at two ends, left and right of side seal board on first respectively; On rear side of in the of described first, shrouding is arranged on the rear end of lower-left thrust pedestal and bottom right thrust pedestal, and this is connected with the rear end of shrouding on the right side of shrouding, first on the left of in the of first at two ends, left and right of shrouding on rear side of first respectively, this on rear side of first the top inner side of shrouding be connected with the rear end of side seal board on first.
Described lower-left thrust pedestal and bottom right thrust pedestal all offer the first installation through hole.
On the left of in the of described first on shrouding, first on the right side of side seal board, first on rear side of shrouding and first shrouding all adopt steel plate.
From above technical scheme, the present invention refines into a module by with the dependency structure that passenger vehicle rear-mounted is installed, and arranges multiple with underframe of coach connecting interface, makes rear suspension beam structure become a universalization module.Directly combine when there being vehicle to be equipped with corresponding rear-mounted and select, frock can be greatly reduced and drop into.The present invention takes full advantage of lightweight principle, to greatest extent by structure stress part and functor unification, and irredundant structure.Space hold also minimizes by the present invention, car load space utilization is maximized.Rear suspension beam structure is developed to profiled member by the present invention, can not only reduce labour intensity to greatest extent, also has the feature of commonality, can get ready the goods in advance, effectively can reduce the production cycle when running into order.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present invention;
Fig. 2 is structural representation two of the present invention;
Fig. 3 is the structural representation of rear overhang starting section beam assembly;
Fig. 4 is the structural representation of lower-left thrust bearing assembly or bottom right thrust bearing assembly;
Fig. 5 is the structural representation of lower thrust pedestal;
Fig. 6 is the structural representation of left longitudinal beam connected assembly or right longitudinal beam connected assembly;
Fig. 7 is the structural representation of assembly of cutting section bar after rear overhang;
Fig. 8 is the structural representation cut section bar after rear overhang assembly (not comprising left air cell covering bracket assembly and right air cell covering bracket assembly);
Fig. 9 is that rear overhang cuts section bar the structural representation of structure;
Figure 10 is the structural representation of left back shock absorber support assembly or right back shock absorber support assembly;
Figure 11 is the structural representation of left back air-bag support assembly or right back air-bag support assembly;
Figure 12 is the structural representation of right air cell covering bracket assembly;
Figure 13 is the structural representation one of big stick-means of intimidation beam assembly;
Figure 14 is the structural representation two of big stick-means of intimidation beam assembly;
Figure 15 is the structural representation three (not comprising left reinforcement bending part assembly and right reinforcement bending part assembly) of big stick-means of intimidation beam assembly;
Figure 16 is the structural representation of left front shock absorber support assembly or right front shock absorber support assembly;
Figure 17 is the structural representation of left front air-bag support assembly or right front air-bag support assembly;
Figure 18 is the structural representation of upper left thrust bearing assembly or upper right thrust bearing assembly;
Figure 19 is the structural representation of left reinforcement bending part assembly or right reinforcement bending part assembly;
Figure 20 is the structural representation of stabilizer bar arm assembly;
Figure 21 is the mounting structure schematic diagram of the present invention on underframe of coach 7.
Wherein:
1, rear overhang starting section beam assembly, 101, first entablatrance, 102, first intermediate transverse girder, 103, first cross sill, 104, first left column, 105, left column in first, 106, right column in first, 107, first right column, 108, lower-left thrust bearing assembly, 1081, lower-left thrust pedestal, 1082, bottom right thrust pedestal, 1083, shrouding on the left of in the of first, 1084, side seal board on first, 1085, shrouding on the right side of in the of first, 1086, shrouding on rear side of in the of first, 1087, first installs through hole, 109, bottom right thrust bearing assembly, 110, first strengthens diagonal brace, 111, first column reinforced rib, 112, column dowel, 113, lower thrust bearing deep beam, 114, lower thrust bearing reinforced rib, 2, big stick-means of intimidation beam assembly, 21, supporting traverse, 22, upper left thrust bearing assembly, 221, upper left thrust pedestal, 222, upper right thrust pedestal, 223, stay bearing plate, 224, lifting force seat brace panel, 225, second installs through hole, 23, upper right thrust bearing assembly, 24, left front shock absorber support assembly, 241, shock absorber mounting board, 242, bumper brace panel, 243, front shock absorber assembly opening, 25, right front shock absorber support assembly, 26, left front air-bag support assembly, 261, front air bag dish, 262, front air-bag support brace panel, 263, diagonal brace strengthened by front air bag, and 264, front air bag assembly opening, 27, right front air-bag support assembly, 28, left reinforcement bending part assembly, 281, first longitudinal bending part, 282, first transverse fold portion, 283, second longitudinal bending part, 284, second transverse fold portion, 285, front damper support installation gap, 29, right reinforcement bending part assembly, 3, stabilizer bar arm assembly, 31, stabilizer rod crossbeam, 32, left stabilizer bar arm, 33, right stabilizer bar arm, 321, support post, 322, stabilizer rod stay bearing plate, 323, stabilizer rod brace panel, 4, left longitudinal beam connected assembly, 41, steel stamping part, 42, the side's of reinforcement plate, 43, triangular reinforcing plate, 44, strengthen flange, 45, lightweight through hole, 46, big stick-means of intimidation beam assembly mounting hole, 47, for dodging the groove of back axle, 5, right longitudinal beam connected assembly, 6, cut section bar after rear overhang assembly, and 61, cut section bar behind centre structure, and 611, second left column, 612, second right column, 613, second entablatrance, 614, second intermediate transverse girder, 615, left column in second, 616, right column in second, 617, first strengthens longeron, 618, second column reinforced rib, 62, the left back structure that cuts section bar, 621, 3rd entablatrance, 622, longitudinal column, 623, 3rd intermediate transverse girder, 624, second strengthens longeron, 625, longitudinal column reinforced rib, 626, 3rd column reinforced rib, 63, the right back structure that cuts section bar, 64, left back shock absorber support assembly, 641, left side board, 642, rear quarter panel, 643, right side board, 644, top board, 645, rear shock absorber assembly opening, 65, right back shock absorber support assembly, 66, left back air-bag support assembly, 661, rear gasbag dish, 662, rear gasbag strengthens diagonal brace, and 663, rear gasbag assembly opening, 67, right back air-bag support assembly, 68, left air cell covering bracket assembly, 69, right air cell covering bracket assembly, 691, upper cross plate, 692, lower bent plate, 693, Rear shock absorber support assembly installation gap, 694, rear gasbag bracket assembly installation gap, 7, underframe of coach.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
Suspension beam structure after a kind of passenger vehicle modularization as shown in Fig. 1-Figure 21, cut section bar after comprising rear overhang starting section beam assembly 1, longitudinal beam connected assembly and the rear overhang set gradually from front to back assembly 6.Described longitudinal beam connected assembly comprises symmetrically arranged left longitudinal beam connected assembly 4 and right longitudinal beam connected assembly 5.Embed between the front end 4 of described left longitudinal beam connected assembly and the front end of right longitudinal beam connected assembly 5 and big stick-means of intimidation beam assembly 2 is installed.Stabilizer bar arm assembly 3 is connected with between described left longitudinal beam connected assembly 4 and described right longitudinal beam connected assembly 5.Suppose to have the passenger vehicle that two different, the underframe height of a passenger vehicle is 1.2m, the underframe height of another passenger vehicle is 1.5m.These two passenger vehicles of hypothesis are equipped with identical rear-mounted (back axle is connected in rear overarm by rear-mounted), this means that the installation of rear-mounted in rear overarm is identical.But because the underframe height of two passenger vehicles is different, a 1.2m, a 1.5m, therefore, hang oneself from a beam after just needing design two.This block that rear-mounted is installed by the present invention is independent makes a modular rear suspension beam structure, although the height of underframe of coach is different like this, this block of rear suspension beam structure of the present invention (being also the most complicated place) is constant, change be upper height.
As shown in Figure 3, described rear overhang starting section beam assembly 1 comprises the first entablatrance 101, first intermediate transverse girder 102 of from up to down setting gradually and the first cross sill 103, for the column that is connected the first entablatrance 101, first intermediate transverse girder 102 and the first cross sill 103 and the lower thrust bearing assembly be arranged on bottom the first cross sill 103.Described column comprises right column 106 in left column 105 and first in symmetrically arranged first left column 104 and the first right column 107, first successively.The first reinforcement diagonal brace 110 is equipped with between the two ends of described first intermediate transverse girder 102 and the first left column 104, first right column 107.The first column reinforced rib 111 is equipped with between right column 106 and described first cross sill 103 in left column 105, first in described first left column 104, first right column 107, first.Column dowel 112 is equipped with between right column 106 in described first left column 104 and first between left column 105, in described first right column 107 and first.Described lower thrust bearing assembly comprises symmetrically arranged lower-left thrust bearing assembly 108 and bottom right thrust bearing assembly 109.Lower thrust bearing deep beam 113 is provided with between described lower-left thrust bearing assembly 108 and described bottom right thrust bearing assembly 109.Lower thrust bearing reinforced rib 114 is equipped with between described first cross sill 103 and lower-left thrust bearing assembly 108, bottom right thrust bearing assembly 109.Described rear overhang starting section beam assembly is that the multiplex roles be made up of some crossbeams and diagonal brace cuts section bar.Described first entablatrance 101, as the connecting interface that the present invention is connected with underframe of coach 7 top.Described first left column 104, first right column 107 is connected with the front end of left longitudinal beam connected assembly 4, right longitudinal beam connected assembly 5 respectively.The connecting interface that in described first, in left column 105, first, right column 106 is connected with facade left-right longeron before underframe of coach 7 as the present invention.The connecting interface that described first cross sill 103 is connected with underframe of coach 7 understructure as the present invention.
As shown in fig. 4-5, described lower-left thrust bearing assembly 108 is identical with the structure of bottom right thrust bearing assembly 109, the lower thrust bearing supporting construction including symmetrically arranged lower-left thrust pedestal 1081 and bottom right thrust pedestal 1082 and surrounded by shrouding 1086 on rear side of shrouding on the right side of side seal board 1084, first on shrouding 1083, first on the left of first 1085 and first.On the left of in the of described first, shrouding 1083 is arranged on the left end of lower-left thrust pedestal 1081.On the right side of in the of described first, shrouding 1085 is arranged on the right-hand member of bottom right thrust pedestal 1082.On described first, side seal board 1084 is arranged on the top of lower-left thrust pedestal 1081 and bottom right thrust pedestal 1082, and this is connected with the inside top of shrouding 1085 on the right side of shrouding on the left of in the of first 1083, first at two ends, left and right of side seal board 1084 on first respectively.On rear side of in the of described first, shrouding 1086 is arranged on the rear end of lower-left thrust pedestal 1081 and bottom right thrust pedestal 1082, and this is connected with the rear end of shrouding 1085 on the right side of shrouding on the left of in the of first 1083, first at two ends, left and right of shrouding 1086 on rear side of first respectively, this on rear side of first the top inner side of shrouding 1086 be connected with the rear end of side seal board on first 1084.Described lower-left thrust pedestal 1081 and bottom right thrust pedestal 1082 all offer the first installation through hole 1087.On the left of in the of described first on shrouding 1083, first on the right side of side seal board 1084, first on rear side of shrouding 1085 and first shrouding 1086 all adopt steel plate.The present invention, by arranging lower-left thrust pedestal and the independent lower thrust pedestal of bottom right thrust pedestal two, can reduce the weight of lower thrust bearing assembly, meet weight-saving requirement.In existing lower thrust bearing assembly, usually the mounting hole of lower thrust bearing on lower thrust bearing assembly is set to tapped blind hole, this, when fracture occurs bolt, cannot change bolt.And the present invention is by arranging the first installation through hole, under enabling passenger vehicle, thrust bearing is arranged on lower thrust bearing assembly by bolt, and when fracture occurs bolt, can be convenient to change.
As shown in Figure 6, described left longitudinal beam connected assembly 4 is identical with the structure of right longitudinal beam connected assembly 5, the brace panel including stamping forming steel stamping part 41 and be arranged on steel stamping part 41.The bottom of described steel stamping part 41 is provided with the groove 47 for dodging back axle, and when beating for avoiding back axle, longitudinal beam connected assembly and back axle interfere.The top of described steel stamping part 41 and bottom are equipped with strengthens flange 44, for strengthening the structural strength of longitudinal beam connected assembly.Described steel stamping part 41 offers big stick-means of intimidation beam assembly mounting hole 46 and some lightweight through holes 45.Described big stick-means of intimidation beam assembly mounting hole 46, pass for the supporting traverse 21 in big stick-means of intimidation beam assembly, the two ends, left and right of big stick-means of intimidation beam assembly 2 are embedded respectively and is arranged in left longitudinal beam connected assembly and right longitudinal beam connected assembly, and described supporting traverse 21 and big stick-means of intimidation beam assembly mounting hole free-running fit.Described lightweight through hole 45, for alleviating the weight of longitudinal beam connected assembly, meets weight-saving requirement.Described brace panel comprises reinforcement side's plate 42 and triangular reinforcing plate 43.Described reinforcement side plate is two pieces, is arranged on the left and right sides of big stick-means of intimidation beam assembly mounting hole respectively, for strengthening the structural strength of this big stick-means of intimidation beam assembly mounting hole.Described triangular reinforcing plate 43 is positioned at the junction of stabilizer bar arm assembly 3 and longitudinal beam connected assembly, and this triangular reinforcing plate is for increasing the structural strength of this junction.Described left longitudinal beam connected assembly and right longitudinal beam connected assembly are the longitudinal connection structures in rear suspension beam structure of the present invention.Existing longitudinal beam connected assembly is various rectangular pipe fittings and is welded, and weight is comparatively large and welding labour intensity is high.The longitudinal beam connected assembly that the present invention adopts, for striking out shaped piece, effectively reduces weight and labour intensity, is suitable for producing in enormous quantities.
As Figure 7-8, cut section bar after described rear overhang structure and cut section bar after being symmetricly set on respectively structural left back shock absorber support assembly 64 and right back shock absorber support assembly 65, left back air-bag support assembly 66 and right back air-bag support assembly 67, left air cell covering bracket assembly 68 and the right air cell covering bracket assembly 69 of cutting section bar after assembly comprises.
As shown in Figure 9, cut section bar after described left back structure 62 and the right back structure 63 that cuts section bar of cutting section bar at structure 61 and structure about 61 two ends that cut section bar after being symmetricly set on centre of cutting section bar after structure comprises centre.The structure that cuts section bar behind described centre 61 comprises the second left column 611, second right column 612, be connected to the second entablatrance 613 between the second left column 611 top and the second right column 612 top, be connected to the second intermediate transverse girder 614 between the second left column 611 stage casing and the second right column 612 stage casing, be connected to some first between the second entablatrance 613 and the second intermediate transverse girder 614 and strengthen longeron 617, be arranged on left column 615 in second of lower end inside in the second left column 611 and be arranged on lower end inside in the second right column 612 second in right column 616, the second column reinforced rib 618 is equipped with between right column 616 in left column 615, second in the two ends, left and right and second of described second intermediate transverse girder 614.Described left back structure and the right back structure that cuts section bar of cutting section bar includes the 3rd entablatrance 621, be vertically connected on the longitudinal column 622 bottom the 3rd entablatrance 621, be connected to the 3rd intermediate transverse girder 6 between longitudinal column 622 stage casing and the second left column 611 or the second right column 612, several being connected to the longitudinal column reinforced rib 625 between the 3rd entablatrance 621 outer end and longitudinal column 622 lateral surface and being connected between the 3rd entablatrance 621 and the 3rd intermediate transverse girder 623 second strengthen longeron 624.The 3rd column reinforced rib 626 is provided with between the inner of described 3rd entablatrance and the second left column or the second right column.Described longitudinal column is L-type.The assembly that cuts section bar after described rear overhang is that the multiplex roles be made up of some crossbeams and diagonal brace cuts section bar.Described second entablatrance, as the connecting interface that the present invention is connected with underframe of coach 7 upper end.Described second left column, the second right column, be respectively used to the rear end connecting left longitudinal beam connected assembly, right longitudinal beam connected assembly on the one hand; On the other hand respectively as the connecting interface that the present invention is connected with facade left-right longeron after underframe of coach 7.
As shown in Figure 10, described left back shock absorber support assembly 64 is identical with the structure of right back shock absorber support assembly 65, includes the opening that surrounded by left side board 641, rear quarter panel 642, right side board 643 forward U-shaped and is arranged on the top board 644 at U-shaped top.Described top board 644 offers rear shock absorber assembly opening 645.Described left back shock absorber support assembly 64, right back shock absorber support assembly 65 are welded on the left back structure 62 that cuts section bar, the 3rd entablatrance 621 of the right back structure 63 that cuts section bar and the 3rd intermediate transverse girder 623 respectively.Compared to the prior art, left back shock absorber support assembly of the present invention and right back shock absorber support assembly can while fixed installation bumpers, bumper is sealed, without the need to adding other seal closure outside bumper installation structure again, there is the features such as structure is simple, cost is low.
As shown in figure 11, described left back air-bag support assembly 66 is identical with the structure of right back air-bag support assembly 67, includes rear gasbag dish 661 and symmetrical two the rear gasbags reinforcement diagonal braces 662 be arranged on above rear gasbag dish 661.Described rear gasbag dish 661 offers rear gasbag assembly opening 663.Described rear gasbag strengthens the top that diagonal brace 662 is inclined and mounted on rear gasbag dish 661.The upper end that described rear gasbag strengthens diagonal brace 662 is welded on the 3rd entablatrance 623; Described rear gasbag dish 661 is positioned at the below of the 3rd intermediate transverse girder 623.
As shown in figure 12, described left air cell covering bracket assembly 68 is identical with the structure of right air cell covering bracket assembly 69, the lower bent plate 692 including upper cross plate 691 and be welded on bottom upper cross plate 691.Described lower bent plate 692 is made up of 3 pieces of flat boards that bending is connected successively.Described upper cross plate 691 offers respectively Rear shock absorber support assembly installation gap 693 and rear gasbag bracket assembly installation gap 694.Described upper cross plate 691 is welded on the lower end on rear side of the 3rd intermediate transverse girder 623.Described rear gasbag dish is positioned at the below of upper cross plate, and rear gasbag dish and upper cross plate closely cooperate, and described rear gasbag is strengthened diagonal brace and stretched out from rear gasbag bracket assembly installation gap, is positioned at the top of upper cross plate.The top of the bottom welding of described left back shock absorber support assembly and right back shock absorber support assembly shock absorber support assembly installation gap in the rear.Left air cell covering bracket assembly of the present invention and right air cell covering bracket assembly, define close loop mechanism, improves the structural strength of rear gasbag dish on the one hand, make the unification mutually of structure function part and stressed member, improves space availability ratio on the other hand.
As illustrated in figs. 13-15, described big stick-means of intimidation beam assembly 2 comprises supporting traverse 21, symmetry is arranged on left front shock absorber support assembly on front side of two ends, supporting traverse left and right 24 and right front shock absorber support assembly 25, symmetry and is arranged on the upper left thrust bearing assembly 22 that left front air-bag support assembly 26 bottom supporting traverse 21 and right front air-bag support assembly 27, symmetry be arranged on bottom supporting traverse 21 and is arranged on the left reinforcement bending part assembly 28 of supporting traverse about 32 two ends lower front and right reinforcement bending part assembly 29 with upper right thrust bearing assembly 23 and symmetry.Described left front shock absorber support assembly 24, left front air-bag support assembly 26 and upper left thrust bearing assembly 22 set gradually from outside to inside.Described supporting traverse 21 is rectangular tube, the connecting interface that the upper surface of this rectangular tube is connected with underframe of coach 7 upper strata skeleton as the present invention.
As shown in figure 16, described left front shock absorber support assembly 24 is identical with the structure of right front shock absorber support assembly 25, includes shock absorber mounting board 241 and symmetry and is arranged on two bumper brace panels 242 above shock absorber mounting board 241; Described shock absorber mounting board 242 offers front shock absorber assembly opening 243.Described bumper brace panel can increase the structural strength of whole left front shock absorber support assembly or right front shock absorber support assembly.Described front shock absorber assembly opening, for installing front shock absorber.The rear end of described shock absorber mounting board 241 is welded on the bottom of supporting traverse, and this can ensure the sufficiency that shock absorber support plate is connected with supporting traverse and Joint strenght.This practicality newly takes full advantage of the position relationship of front shock absorber assembly opening and supporting traverse, and meets the requirement of passenger vehicle weight-saving.
As shown in figure 17, described left front air-bag support assembly 26 is identical with the structure of right front air-bag support assembly 27, includes front air bag dish 261, two front air-bag support brace panels 262 that symmetry is arranged on front air bag dish 261 front bottom end and two front air bags that symmetry is arranged on above front air bag dish 261 rear end strengthen diagonal braces 263.Described front air bag dish 261 offers front air bag assembly opening 264, for installing front air bag.The front end of described front air bag dish 261 is oblong, and rear end is semicircle.The front end of described front air bag dish is connected with the rear end of the first intermediate transverse girder 102 of rear overhang starting section beam assembly.Described front air-bag support brace panel, for the Joint strenght of the structural strength and front air bag dish and the first intermediate transverse girder that strengthen front air bag dish.The top that diagonal brace strengthened by described front air bag is welded on the bottom of supporting traverse.The front end end face of described front air bag dish and the bottom surface in the second transverse fold portion closely cooperate.The present invention designs the left front air-bag support assembly of realization and right front air-bag support assembly by structure function part and stressed member unification mutually, meets the requirement of passenger vehicle weight-saving.Because air bag is round, air bag withstands on below front air bag dish, therefore, if front air bag dish itself is a circle, just can meet the installation requirements of air bag.But the air bag dish of a circle wants completely stressed, its top needs enough Joint strenghts and connection area, and now, the air bag dish of circle is only a functor, and it is stressed is rely on top to connect completely.The Front-end Design of front air bag dish is oblong by the present invention, rear end is designed to semicircle, this takes full advantage of the condition of the position in space, its rectangular front end is connected on the first intermediate transverse girder 102 of rear overhang starting section beam assembly, and strengthen connecting by front air-bag support brace panel, the power upwards that before this connection can bear a part, air bag dish is subject to.In addition, then by two rectangular tubes (namely diagonal braces strengthened by two front air bags), front air bag dish front end is connected on supporting traverse, makes can linking together of front air bag dish and supporting traverse stablely.If do not have the connection of the oblong front end of front air bag dish, only having two front air bags to strengthen the connection of diagonal braces above, is can not bear air bag and air bag dish stressed.
As shown in figure 18, described upper left thrust bearing assembly 22 is identical with the structure of upper right thrust bearing assembly 23, includes symmetrically arranged upper left thrust pedestal and 221 upper right thrust pedestals 222, is arranged on the stay bearing plate 223 above upper left thrust pedestal 221 and upper right thrust pedestal 222 and is arranged on the lifting force seat brace panel 224 at stay bearing plate 223 top; Described upper left thrust pedestal 221 and upper right thrust pedestal 222 all offer the second installation through hole 225.Described stay bearing plate 223 is steel plate.Described lifting force seat brace panel 224, for ensureing the Joint strenght of upper left thrust bearing assembly and upper right thrust bearing assembly and supporting traverse.The present invention, by arranging upper left thrust pedestal and the independent lifting force pedestal of upper right thrust pedestal two, can reduce the weight of lifting force seat assembly, meet weight-saving requirement.In existing lifting force seat assembly, usually the mounting hole of lifting force seat on lifting force seat assembly is set to tapped blind hole, this, when fracture occurs bolt, cannot change bolt.And the present invention is by arranging the second installation through hole, passenger vehicle lifting force seat is arranged on lifting force seat assembly by bolt, and when fracture occurs bolt, can be convenient to change.
As shown in figure 19, described left reinforcement bending part assembly 28 is identical with the structure of right reinforcement bending part assembly 29, include first longitudinal bending part 281, first transverse fold portion 282, second longitudinal bending part 283 and the second transverse fold portion 284 that bending is successively connected, and described first longitudinal bending part 281 offers with in the first transverse fold portion 282 the front damper support installation gap 285 be connected successively.Described front damper support installation gap, for dodging left front shock absorber support assembly or right front shock absorber support assembly.The shock absorber mounting board of described left front shock absorber support assembly and right front shock absorber support assembly embeds and is arranged in front damper support installation gap, and the end face of shock absorber mounting board and bottom surface are concordant with the end face in the first transverse fold portion and bottom surface respectively.The rear end of two bumper brace panels of described left front shock absorber support assembly and right front shock absorber support assembly is from the front damper support installation gap of first longitudinal bending part, and the rear end of two bumper brace panels is welded on the leading flank of supporting traverse.Described first longitudinal bending part is connected to lower end on front side of supporting traverse, and the front end in described second transverse fold portion is connected on the first intermediate transverse girder 102.Described left reinforcement bending part assembly 28 is connected with the inner side of left longitudinal beam connected assembly, right longitudinal beam connected assembly respectively with right reinforcement bending part assembly 29.The front end of whole rear suspension beam structure is connected as a whole with right reinforcement bending part assembly 29 by described left reinforcement bending part assembly 28, can strengthen the structural strength of whole rear suspension beam structure front end.In addition, the space on the top of rear suspension beam structure as boot compartment space, is improve the space availability ratio of passenger vehicle by described left reinforcement bending part assembly 28 and right reinforcement bending part assembly 29.
As shown in figure 20, described stabilizer bar arm assembly 3 comprises stabilizer rod crossbeam 31 and symmetry and is arranged on left stabilizer bar arm 32 bottom stabilizer rod crossbeam 31 and right stabilizer bar arm 33.Described left stabilizer bar arm 32 is identical with the structure of right stabilizer bar arm 33, includes and is arranged on support post 321 bottom stabilizer rod crossbeam 31, is arranged on the stabilizer rod stay bearing plate 322 bottom support post 321 and is symmetricly set on two stabilizer rod brace panels 323 of both sides before and after support post 321.The two ends, left and right of described stabilizer rod crossbeam are connected on left longitudinal beam connected assembly, right longitudinal beam connected assembly.Described stabilizer bar arm assembly, not only as the linkage function part of Panhard rod, laterally can also strengthen whole rear overhang place, by structure function part and the unification mutually of structure stress part, give full play to the performance of material, meet the requirement of passenger vehicle weight-saving.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.

Claims (7)

1. a suspension beam structure after passenger vehicle modularization, is characterized in that: cut section bar after comprising rear overhang starting section beam assembly, longitudinal beam connected assembly and the rear overhang set gradually from front to back assembly; Described longitudinal beam connected assembly comprises symmetrically arranged left longitudinal beam connected assembly and right longitudinal beam connected assembly; Embed between the front end of described left longitudinal beam connected assembly and the front end of right longitudinal beam connected assembly and big stick-means of intimidation beam assembly is installed; Stabilizer bar arm assembly is connected with between described left longitudinal beam connected assembly and described right longitudinal beam connected assembly.
2. suspension beam structure after a kind of passenger vehicle modularization according to claim 1, is characterized in that: described rear overhang starting section beam assembly comprise from up to down set gradually the first entablatrance, the first intermediate transverse girder and the first cross sill, for the column that is connected the first entablatrance, the first intermediate transverse girder and the first cross sill and the lower thrust bearing assembly be arranged on bottom the first cross sill; Described column comprises right column in left column and first in symmetrically arranged first left column and the first right column, first successively; The first reinforcement diagonal brace is equipped with between the two ends of described first intermediate transverse girder and the first left column, the first right column; The first column reinforced rib is equipped with between right column and described first cross sill in left column, first in described first left column, the first right column, first; Column dowel is equipped with between right column between left column, in described first right column and first in described first left column and first; Described lower thrust bearing assembly comprises symmetrically arranged lower-left thrust bearing assembly and bottom right thrust bearing assembly; Lower thrust bearing deep beam is provided with between described lower-left thrust bearing assembly and described bottom right thrust bearing assembly; Lower thrust bearing reinforced rib is equipped with between described first cross sill and lower-left thrust bearing assembly, bottom right thrust bearing assembly.
3. suspension beam structure after a kind of passenger vehicle modularization according to claim 1, it is characterized in that: described left longitudinal beam connected assembly is identical with the structure of right longitudinal beam connected assembly, the brace panel including stamping forming steel stamping part and be arranged on steel stamping part; The bottom of described steel stamping part is provided with the groove for dodging back axle; The top of described steel stamping part and bottom are equipped with reinforcement flange; Described steel stamping part offers big stick-means of intimidation beam assembly mounting hole and some lightweight through holes; Described brace panel comprises reinforcement side's plate and triangular reinforcing plate.
4. suspension beam structure after a kind of passenger vehicle modularization according to claim 1, is characterized in that: the structure that cuts section bar after the assembly that cuts section bar after described rear overhang comprises and cut section bar after being symmetricly set on respectively structural left back shock absorber support assembly and right back shock absorber support assembly, left back air-bag support assembly and right back air-bag support assembly, left air cell covering bracket assembly and right air cell covering bracket assembly;
The structure that cuts section bar after described cuts section bar after comprising centre left back structure and the right back structure that cuts section bar of cutting section bar at structure and the two ends, structure left and right that cut section bar after being symmetricly set on centre; The structure that cuts section bar behind described centre comprise the second left column, the second right column, be connected to the second entablatrance between the second left column top and the second right column top, be connected to the second intermediate transverse girder between the second left column stage casing and the second right column stage casing, be connected to some first between the second entablatrance and the second intermediate transverse girder strengthen longeron, be arranged on left column in second of lower end inside in the second left column and be arranged on lower end inside in the second right column second in right column; The second column reinforced rib is equipped with between right column in left column, second in the two ends, left and right and second of described second intermediate transverse girder; Described left back cut section bar structure and the right back structure that cuts section bar include the 3rd entablatrance, be vertically connected on longitudinal column bottom the 3rd entablatrance, be connected to the 3rd intermediate transverse girder between longitudinal column stage casing and the second left column or the second right column, be connected to the longitudinal column reinforced rib between the 3rd entablatrance outer end and longitudinal column lateral surface and be connected between the 3rd entablatrance and the 3rd intermediate transverse girder several second strengthen longeron; The 3rd column reinforced rib is provided with between the inner of described 3rd entablatrance and the second left column or the second right column; Described longitudinal column is L-type;
Described left back shock absorber support assembly is identical with the structure of right back shock absorber support assembly, includes the opening that surrounded by left side board, rear quarter panel, right side board forward U-shaped and is arranged on the top board at U-shaped top; Described top board offers rear shock absorber assembly opening; Described left back shock absorber support assembly, right back shock absorber support assembly are welded on the left back structure that cuts section bar, the 3rd entablatrance of the right back structure that cuts section bar and the 3rd intermediate transverse girder respectively;
Described left back air-bag support assembly is identical with the structure of right back air-bag support assembly, includes rear gasbag dish and symmetrical two the rear gasbags reinforcement diagonal braces be arranged on above rear gasbag dish; Described rear gasbag dish offers rear gasbag assembly opening; Described rear gasbag strengthens the top that diagonal brace is inclined and mounted on rear gasbag dish; The upper end that described rear gasbag strengthens diagonal brace is welded on the 3rd entablatrance; Described rear gasbag dish is positioned at the below of the 3rd intermediate transverse girder;
Described left air cell covering bracket assembly is identical with the structure of right air cell covering bracket assembly, includes upper cross plate and is welded on the lower bent plate bottom upper cross plate; Described lower bent plate is made up of 3 pieces of flat boards that bending is connected successively; Described upper cross plate offers respectively Rear shock absorber support assembly installation gap and rear gasbag bracket assembly installation gap; Described upper cross plate is welded on the lower end on rear side of the 3rd intermediate transverse girder.
5. suspension beam structure after a kind of passenger vehicle modularization according to claim 1, it is characterized in that: described big stick-means of intimidation beam assembly comprises supporting traverse, symmetry is arranged on left front shock absorber support assembly on front side of two ends, supporting traverse left and right and right front shock absorber support assembly, symmetry is arranged on left front air-bag support assembly bottom supporting traverse and right front air-bag support assembly, symmetry is arranged on upper left thrust bearing assembly bottom supporting traverse and upper right thrust bearing assembly, and symmetry is arranged on the left reinforcement bending part assembly of two ends, supporting traverse left and right lower front and right reinforcement bending part assembly, described left front shock absorber support assembly, left front air-bag support assembly and upper left thrust bearing assembly set gradually from outside to inside,
Described supporting traverse is rectangular tube;
Described left front shock absorber support assembly is identical with the structure of right front shock absorber support assembly, includes shock absorber mounting board and symmetry and is arranged on two bumper brace panels above shock absorber mounting board; Described shock absorber mounting board offers front shock absorber assembly opening;
Described left front air-bag support assembly is identical with the structure of right front air-bag support assembly, includes front air bag dish, two front air-bag support brace panels that symmetry is arranged on front air bag dish front bottom end and two front air bags that symmetry is arranged on above front air bag back-end disk strengthen diagonal braces; Described front air bag dish offers front air bag assembly opening; The front end of described front air bag dish is oblong, and rear end is semicircle;
Described upper left thrust bearing assembly is identical with the structure of upper right thrust bearing assembly, includes symmetrically arranged upper left thrust pedestal and upper right thrust pedestal, is arranged on the stay bearing plate above upper left thrust pedestal and upper right thrust pedestal and is arranged on the lifting force seat brace panel at stay bearing plate top; Described upper left thrust pedestal and upper right thrust pedestal all offer the second installation through hole;
Described left reinforcement bending part assembly is identical with the structure of right reinforcement bending part assembly, include first connected longitudinal bending part of bending successively, the first transverse fold portion, second longitudinal bending part and the second transverse fold portion, and described first longitudinal bending part offers with in the first transverse fold portion the front damper support installation gap be connected successively.
6. suspension beam structure after a kind of passenger vehicle modularization according to claim 1, is characterized in that: described stabilizer bar arm assembly comprises stabilizer rod crossbeam and symmetry and is arranged on left stabilizer bar arm bottom stabilizer rod crossbeam and right stabilizer bar arm; Described left stabilizer bar arm is identical with the structure of right stabilizer bar arm, includes and is arranged on support post bottom stabilizer rod crossbeam, is arranged on the stabilizer rod stay bearing plate bottom support post and is symmetricly set on two stabilizer rod brace panels of both sides before and after support post.
7. suspension beam structure after a kind of passenger vehicle modularization according to claim 2, it is characterized in that: described lower-left thrust bearing assembly is identical with the structure of bottom right thrust bearing assembly, the lower thrust bearing supporting construction including symmetrically arranged lower-left thrust pedestal and bottom right thrust pedestal and surrounded by shrouding on rear side of shrouding and first on the right side of side seal board, first on shrouding, first on the left of first; On the left of in the of described first, shrouding is arranged on the left end of lower-left thrust pedestal; On the right side of in the of described first, shrouding is arranged on the right-hand member of bottom right thrust pedestal; On described first, side seal board is arranged on the top of lower-left thrust pedestal and bottom right thrust pedestal, and this is connected with the inside top of shrouding on the right side of shrouding, first on the left of in the of first at two ends, left and right of side seal board on first respectively; On rear side of in the of described first, shrouding is arranged on the rear end of lower-left thrust pedestal and bottom right thrust pedestal, and this is connected with the rear end of shrouding on the right side of shrouding, first on the left of in the of first at two ends, left and right of shrouding on rear side of first respectively, this on rear side of first the top inner side of shrouding be connected with the rear end of side seal board on first;
Described lower-left thrust pedestal and bottom right thrust pedestal all offer the first installation through hole;
On the left of in the of described first on shrouding, first on the right side of side seal board, first on rear side of shrouding and first shrouding all adopt steel plate.
CN201510976575.1A 2015-12-23 2015-12-23 Suspension beam structure after a kind of car modularization Active CN105539587B (en)

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CN106240635A (en) * 2016-08-16 2016-12-21 南京创源天地动力科技有限公司 Vehicle bridge frame in a kind of pure electric coach independent front suspension
CN107176212A (en) * 2017-06-20 2017-09-19 安徽安凯汽车股份有限公司 A kind of rear axle of passenger vehicle section assembly supporting mechanism
CN110406596A (en) * 2018-04-27 2019-11-05 湖南中车时代电动汽车股份有限公司 A kind of rear bridge section vehicle frame of car
CN111776075A (en) * 2020-07-29 2020-10-16 安徽安凯汽车股份有限公司 Mounting structure of rear suspension front stabilizing system of passenger car
CN114715278A (en) * 2022-04-24 2022-07-08 安徽安凯汽车股份有限公司 Wheel-side driving rear axle independent suspension mounting structure

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CN205273610U (en) * 2015-12-23 2016-06-01 安徽安凯汽车股份有限公司 Passenger train modularization rear suspension structure

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CN2671848Y (en) * 2004-01-19 2005-01-19 上海科曼车辆部件***有限公司 Full air rear suspension frame for large bus
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CN106240635A (en) * 2016-08-16 2016-12-21 南京创源天地动力科技有限公司 Vehicle bridge frame in a kind of pure electric coach independent front suspension
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CN111776075A (en) * 2020-07-29 2020-10-16 安徽安凯汽车股份有限公司 Mounting structure of rear suspension front stabilizing system of passenger car
CN114715278A (en) * 2022-04-24 2022-07-08 安徽安凯汽车股份有限公司 Wheel-side driving rear axle independent suspension mounting structure

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