CN115703509A - Auxiliary frame assembly and vehicle - Google Patents

Auxiliary frame assembly and vehicle Download PDF

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Publication number
CN115703509A
CN115703509A CN202110891258.5A CN202110891258A CN115703509A CN 115703509 A CN115703509 A CN 115703509A CN 202110891258 A CN202110891258 A CN 202110891258A CN 115703509 A CN115703509 A CN 115703509A
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CN
China
Prior art keywords
mounting
bolt hole
connecting portion
mounting portion
detachably connected
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110891258.5A
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Chinese (zh)
Inventor
黄和竹
雒蕾
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Wuhan Lotus Cars Co Ltd
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Wuhan Lotus Cars Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Wuhan Lotus Cars Co Ltd filed Critical Wuhan Lotus Cars Co Ltd
Priority to CN202110891258.5A priority Critical patent/CN115703509A/en
Priority to PCT/CN2022/109361 priority patent/WO2023011393A1/en
Publication of CN115703509A publication Critical patent/CN115703509A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/09—Means for mounting load bearing surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/12—Understructures, i.e. chassis frame on which a vehicle body may be mounted assembled from readily detachable parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15—Understructures, 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

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

Abstract

The invention relates to the technical field of automobiles, in particular to an auxiliary frame assembly and an automobile, wherein the auxiliary frame assembly comprises a first cross beam, a first connecting seat and a fourth connecting seat; two ends of the first cross beam are respectively and fixedly connected with the first connecting seat and the fourth connecting seat; the first connecting seat comprises a first shell, a first connecting part and a second connecting part, and the first connecting part and the second connecting part are arranged on the same side of the first shell; the fourth connecting seat comprises a second shell, a fourth connecting part and a fifth connecting part, and the fourth connecting part and the fifth connecting part are arranged on the same side of the second shell; the first connecting part and the fourth connecting part are respectively used for being detachably connected with the driving stabilizer bar assembly, and the second connecting part and the fifth connecting part are respectively used for being detachably connected with the steering engine; according to the invention, the steering engine and the driving stabilizer bar assembly are both arranged on the front side of the auxiliary frame assembly, so that the arrangement space is saved to a certain extent; meanwhile, the number of parts is reduced, and lightweight design is realized.

Description

Auxiliary frame assembly and vehicle
Technical Field
The invention relates to the technical field of automobiles, in particular to an auxiliary frame assembly and an automobile.
Background
The front auxiliary frame of the automobile is used as a very important structural component in an automobile chassis system, and the main function of the front auxiliary frame is to connect a front axle and an automobile body and play a role in bearing and transferring load. The design of the front subframe is particularly important because of the number of parts and structures connected to the front subframe.
Traditional preceding sub vehicle frame is frame construction, is formed by the sheet metal component tailor-welding. The front swing arm is connected with the auxiliary frame through a front swing arm mounting hole of the front swing arm support, and the front swing arm support is formed by welding a front swing arm support inner plate and a front swing arm support outer plate. The steering column is connected with the auxiliary frame through a steering column mounting hole of the steering column support, and the steering column support is formed by welding a steering column support inner plate, a steering column support outer plate and a reinforcing plate. However, the structure is redundant, parts are more, and all parts need to be connected by welding, so that the process flows are more, the working efficiency cannot be improved, the stress of the front swing arm support is not uniform in the running process of the vehicle, and due to the fact that the number of parts of the front swing arm support is more, the parts are not connected stably in the long-term use process, abnormal sound occurs, and the performance of the whole vehicle is further influenced; in a common front subframe arrangement mode, a front stabilizer bar is arranged in the Z direction and is arranged above a front subframe, and a steering engine is arranged in the Z direction and is arranged above the front subframe. The space that this kind of arrangement form occupy is great, and preceding sub vehicle frame weight design is overweight, and part dismantlement complex operation is unfavorable for initiative stabilizer bar motor to be arranged.
Based on the shortcomings of the prior art, there is a need to develop a sub-frame assembly and a vehicle to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides an auxiliary frame assembly and a vehicle, wherein the first connecting part and the second connecting part are arranged on the same side, and the fourth connecting part and the fifth connecting part are arranged on the same side, so that the steering gear and the driving stabilizer bar assembly are both arranged on the front side of the auxiliary frame assembly, the auxiliary frame assembly is convenient to disassemble, the driving stabilizer bar assembly and the steering gear can be independently disassembled without disassembling the auxiliary frame assembly, and the after-sale maintenance time and cost are saved; meanwhile, the number of parts is reduced, and lightweight design is realized.
The invention discloses an auxiliary frame assembly which comprises a first cross beam, a first connecting seat and a fourth connecting seat;
two ends of the first cross beam are fixedly connected with the first connecting seat and the fourth connecting seat respectively;
the first connecting seat comprises a first shell, a first connecting part and a second connecting part, and the first connecting part and the second connecting part are arranged on the same side of the first shell;
the fourth connecting seat comprises a second shell, a fourth connecting part and a fifth connecting part, and the fourth connecting part and the fifth connecting part are arranged on the same side of the second shell;
the first connecting portion with the fourth connecting portion are respectively used for being detachably connected with the driving stabilizer bar assembly, and the second connecting portion with the fifth connecting portion are respectively used for being detachably connected with the steering gear.
Furthermore, the connecting device further comprises a first longitudinal beam, a second connecting seat, a second cross beam, a third connecting seat and a second longitudinal beam, wherein the fourth connecting seat, the first cross beam, the first connecting seat, the first longitudinal beam, the second connecting seat, the second cross beam, the third connecting seat and the second longitudinal beam are sequentially connected in a welding mode.
Further, the first connecting seat further comprises a third connecting part, a first mounting part, a second mounting part and a third mounting part;
the first connecting part, the second connecting part, the third connecting part, the first mounting part, the second mounting part and the third mounting part are all arranged on the first shell, the first connecting part and the third connecting part are arranged on the same side of the first shell, and the second mounting part and the first connecting part are arranged on two opposite sides of the first shell;
the third connecting part is used for being fixedly connected with a lower collision beam of a vehicle;
the first mounting part is fixedly connected with the first cross beam;
the second mounting part is fixedly connected with the second longitudinal beam;
the third installation part is used for being detachably connected with the vehicle body.
Furthermore, the fourth connecting seat further comprises a sixth connecting part, a fourth mounting part, a fifth mounting part and a sixth mounting part;
the fourth connecting part, the fifth connecting part, the sixth connecting part, the fourth mounting part, the fifth mounting part and the sixth mounting part are all arranged on the second shell, the fourth connecting part and the sixth connecting part are arranged on the same side of the second shell, and the fifth mounting part and the fourth connecting part are arranged on two opposite sides of the second shell;
the sixth connecting part is used for being fixedly connected with a lower collision beam of a vehicle;
the fourth mounting part is fixedly connected with the first cross beam;
the fifth mounting part is fixedly connected with the first longitudinal beam;
the sixth installation part is used for being detachably connected with the automobile body.
Further, at least one first bolt hole is formed in the first connecting portion;
and the fourth connecting part is provided with at least one third bolt hole, and two ends of the driving stabilizer bar assembly are in threaded connection with the first bolt hole and the third bolt hole respectively, so that the driving stabilizer bar assembly is detachably connected with the first connecting part and the fourth connecting part respectively.
Further, the second connecting part is provided with at least one second bolt hole, and the steering gear is respectively in threaded connection with the two second bolt holes through bolts, so that the steering gear is detachably connected with the second connecting part;
and at least one fourth bolt hole is formed in the fifth connecting part, and two ends of the steering engine are in threaded connection with the second bolt hole and the fourth bolt hole respectively, so that the steering engine is detachably connected with the second connecting part and the fifth connecting part respectively.
Furthermore, the third connecting part comprises two first connecting plates which are oppositely arranged, a first through hole is formed in each first connecting plate, a bolt is arranged in each first through hole, and one end of a lower collision beam of the vehicle is detachably connected with the third connecting part through the bolt;
the sixth connecting portion comprises two second connecting plates which are oppositely arranged, a second through hole is formed in each second connecting plate, a bolt is arranged in each second through hole, and the other end of the lower collision beam of the vehicle is detachably connected with the sixth connecting portion through the bolt.
Further, the axis of the first bolt hole and the axis of the second bolt hole are arranged in parallel;
the axes of the third bolt hole and the fourth bolt hole are arranged in parallel, and the axes of the first bolt hole and the third bolt hole are arranged in parallel.
Further, first connecting seat still includes the seventh installation department, the fourth connecting seat still includes the eighth installation department, the seventh installation department with the eighth installation department respectively with third crossbeam welded fastening.
Another aspect of the present invention is directed to a vehicle comprising a steering gear, an active stabilizer bar assembly, and a subframe assembly as described above;
the first connecting part and the fourth connecting part are detachably connected with two ends of the driving stabilizer bar assembly respectively;
the second connecting portion and the fifth connecting portion are detachably connected with two ends of the steering engine respectively, so that the auxiliary frame assembly is detachably connected with the driving stabilizer bar assembly and the steering engine respectively.
The embodiment of the invention has the following beneficial effects:
according to the invention, the first connecting part and the second connecting part are arranged on the same side, and the fourth connecting part and the fifth connecting part are arranged on the same side, so that the steering gear and the active stabilizer bar assembly are both arranged on the front side of the auxiliary frame assembly, the disassembly is convenient, the active stabilizer bar assembly and the steering gear can be disassembled independently without disassembling the auxiliary frame assembly, and the after-sale maintenance time and cost are saved; meanwhile, the number of parts is reduced, and lightweight design is realized.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art it is also possible to derive other drawings from these drawings without inventive effort.
FIG. 1 is a block diagram of the subframe assembly of the present embodiment;
FIG. 2 is a structural diagram of the first connecting seat according to the present embodiment;
FIG. 3 is a cross-sectional view of the first connecting seat of the present embodiment;
fig. 4 is a structural diagram of a fourth connecting seat in the embodiment;
fig. 5 is a cross-sectional view of a fourth connecting seat of the present embodiment;
fig. 6 is a structural diagram of the subframe assembly of the present embodiment after being connected to the active stabilizer bar assembly and the steering gear, respectively.
Wherein the reference numbers in the figures correspond to:
101-a first beam; 102-a second beam; 103-a first connection seat; 104-a second connection seat; 105-a third connection seat; 106-fourth connection seat; 107-first stringer; 108-a second stringer; 109-a third beam; 110-a steering gear; 111-driving stabilizer bar assembly; 112-lower impact beam of vehicle; 1031-a first housing; 1032-a first connection; 1033-a second connection portion; 1034-third connection; 1035 — a first mounting portion; 1036-a second mounting portion; 1037-a third mounting portion; 1038-a seventh mounting portion; 1061-a second housing; 1062-fourth connection; 1063-fifth connection; 1064-sixth connection; 1065-a fourth mount; 1066-fifth mount; 1067-a sixth mount; 1068-an eighth mount; 10321-first bolt hole; 10331-a second bolt hole; 10621-third bolt hole; 10631-fourth bolt hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The prior art has the following defects: traditional preceding sub vehicle frame is frame construction, is formed by the sheet metal component tailor-welding. The front swing arm is connected with the auxiliary frame through a front swing arm mounting hole of the front swing arm support, and the front swing arm support is formed by welding a front swing arm support inner plate and a front swing arm support outer plate. The steering column is connected with the auxiliary frame through a steering column mounting hole of the steering column support, and the steering column support is formed by welding a steering column support inner plate, a steering column support outer plate and a reinforcing plate. However, the structure is redundant, parts are more, and all parts need to be connected by welding, so that the process flows are more, the working efficiency cannot be improved, the stress of the front swing arm support is not uniform in the running process of the vehicle, and due to the fact that the number of parts of the front swing arm support is more, the parts are not connected stably in the long-term use process, abnormal sound occurs, and the performance of the whole vehicle is further influenced; in a common front subframe arrangement mode, a front stabilizer bar is arranged in the Z direction and is arranged above a front subframe, and a steering engine is arranged in the Z direction and is arranged above the front subframe. The arrangement form occupies a large space, the weight design of the front auxiliary frame is heavy, the disassembly operation of parts is complex, and the arrangement of the motor of the driving stabilizer bar is not facilitated.
Aiming at the defects of the prior art, the first connecting part and the second connecting part are arranged on the same side, and the fourth connecting part and the fifth connecting part are arranged on the same side, so that the steering engine and the driving stabilizer bar assembly are both arranged on the front side of the auxiliary frame assembly, the disassembly is convenient, the driving stabilizer bar assembly and the steering engine can be independently disassembled without disassembling the auxiliary frame assembly, and the after-sale maintenance time and cost are saved; meanwhile, the number of parts is reduced, and lightweight design is realized.
Example 1
Referring to fig. 1 to 6, the present embodiment provides a subframe assembly, which includes a first cross member 101, a first connecting seat 103 and a fourth connecting seat 106;
two ends of the first cross beam 101 are respectively and fixedly connected with the first connecting seat 103 and the fourth connecting seat 106;
the first connection seat 103 includes a first housing 1031, a first connection portion 1032 and a second connection portion 1033, and the first connection portion 1032 and the second connection portion 1033 are disposed on the same side of the first housing 1031;
the fourth connecting seat 106 includes a second housing 1061, a fourth connecting portion 1062 and a fifth connecting portion 1063, and the fourth connecting portion 1062 and the fifth connecting portion 1063 are disposed on the same side of the second housing 1061;
the first connection portion 1032 and the fourth connection portion 1062 are respectively used for being detachably connected to the stabilizer bar assembly 111, and the second connection portion 1033 and the fifth connection portion 1063 are respectively used for being detachably connected to the steering gear 110.
Preferably, the connecting structure further comprises a first longitudinal beam 107, a second connecting seat 104, a second transverse beam 102, a third connecting seat 105 and a second longitudinal beam 108, wherein the fourth connecting seat 106, the first transverse beam 101, the first connecting seat 103, the first longitudinal beam 107, the second connecting seat 104, the second transverse beam 102, the third connecting seat 105 and the second longitudinal beam 108 are sequentially connected in a welding manner.
It should be noted that: in this embodiment, the first connection portion 1032 and the second connection portion 1033 are disposed on the same side, and the fourth connection portion 1062 and the fifth connection portion 1063 are disposed on the same side, so that the steering gear 110 and the active stabilizer assembly 111 are both disposed on the front side of the subframe assembly, which saves the arrangement space to a certain extent, and is also convenient to disassemble, and the active stabilizer assembly 111 and the steering gear 110 can be disassembled separately without disassembling the subframe assembly, which saves the after-sale maintenance time and cost; meanwhile, the number of parts is reduced, and lightweight design is realized.
It should also be noted that: the driving stabilizer bar assembly 111 is arranged above the auxiliary frame assembly, so that the driving stabilizer bar motor can be protected, and the problems of collision or water inflow and the like of the driving stabilizer bar motor can be prevented; the steering gear 110 is arranged below the front side of the auxiliary frame assembly, and a shell of the steering gear 110 can be equivalent to a support beam of the auxiliary frame assembly, so that the rigidity and the strength of the auxiliary frame assembly in the Y direction can be improved; and through topology optimization, the optimal design of light weight can be obtained. In the present embodiment, the Y direction is defined as a length direction of the first cross member 101, and the X direction is defined as an axial direction of the first bolt hole 10321; the Z direction is defined as the direction perpendicular to the X and Y directions, respectively.
In this embodiment, the first cross beam 101, the fourth connecting seat 106, the first longitudinal beam 107, the second connecting seat 104, the second cross beam 102, the third connecting seat 105, the second longitudinal beam 108 and the first connecting seat 103 are sequentially and fixedly connected and connected into a whole by welding, so that the number of bolts used can be reduced, the weight is reduced, the assembly time is reduced, and the cost is saved.
Specifically, after the fourth connecting seat 106, the first cross beam 101, the first connecting seat 103, the first longitudinal beam 107, the second connecting seat 104, the second cross beam 102, the third connecting seat 105 and the second longitudinal beam 108 are sequentially and fixedly welded into a whole, the length direction of the first cross beam 101 is consistent with that of the second cross beam 102, the first connecting seat 103 and the fourth connecting seat 106 are symmetrically arranged on two sides of the first cross beam 101, the first connecting seat 103 and the fourth connecting seat 106 are similar in structure, and each part on the first connecting seat 103 and each part on the fourth connecting seat 106 are also symmetrically arranged relative to the first cross beam 101.
In this embodiment, the first connection seat 103 and the fourth connection seat 106 are both hollow structures, and the first connection portion 1032, the second connection portion 1033, the third connection portion 1034, the first mounting portion 1035, the second mounting portion 1036 and the third mounting portion 1037 are all integrated on the first housing 1031, which reduces the number of parts and saves the cost; and the fourth connecting part 1062, the fifth connecting part 1063, the sixth connecting part 1064, the fourth mounting part 1065, the fifth mounting part 1066, and the sixth mounting part 1067 are all integrated on the second housing 1061, which further reduces the number of parts, saves the cost, and realizes a lightweight design.
Specifically, the first housing 1031 and the second housing 1061 both adopt a hollow low-pressure cast aluminum process, and the first housing 1031 and the second housing 1061 can improve the rigidity and strength of parts by utilizing the maximum space. By adopting the minimum wall thickness optimization method, the minimum wall thickness meeting the performance can be obtained, and the lightweight design is facilitated.
Preferably, the first connecting seat 103 further includes a third connecting portion 1034, a first mounting portion 1035, a second mounting portion 1036, and a third mounting portion 1037;
the first connection portion 1032, the second connection portion 1033, the third connection portion 1034, the first mounting portion 1035, the second mounting portion 1036, and the third mounting portion 1037 are all disposed on the first housing 1031, the first connection portion 1032 and the third connection portion 1034 are disposed on the same side of the first housing 1031, and the second mounting portion 1036 and the first connection portion 1032 are disposed on opposite sides of the first housing 1031;
the third connecting portion 1034 is used for fixedly connecting with the lower impact beam 112 of the vehicle;
the first mounting portion 1035 is fixedly connected to the first beam 101;
the second mounting portion 1036 is fixedly connected to the second longitudinal beam 108;
the third mounting portion 1037 is adapted to be detachably connected to the vehicle body.
Preferably, the fourth connection seat 106 further includes a sixth connection part 1064, a fourth installation part 1065, a fifth installation part 1066 and a sixth installation part 1067;
the fourth connecting portion 1062, the fifth connecting portion 1063, the sixth connecting portion 1064, the fourth mounting portion 1065, the fifth mounting portion 1066, and the sixth mounting portion 1067 are all disposed on the second casing 1061, the fourth connecting portion 1062 and the sixth connecting portion 1064 are disposed on the same side of the second casing 1061, and the fifth mounting portion 1066 and the fourth connecting portion 1062 are disposed on opposite sides of the second casing 1061;
the sixth connecting portion 1064 is used for being fixedly connected with the lower impact beam 112 of the vehicle;
the fourth mounting part 1065 is fixedly connected to the first cross beam 101;
the fifth mounting part 1066 is fixedly connected to the first longitudinal beam 107;
the sixth mounting portion 1067 is used for detachable connection with the vehicle body.
In some possible embodiments, both ends of the lower impact beam 112 of the vehicle are fixedly connected to the third connection portion 1034 and the sixth connection portion 1064 by bolts, so that the lower impact beam 112 of the vehicle is convenient to disassemble, and the assembling time is reduced.
In some possible embodiments, the subframe assembly is connected to the vehicle body through the third mounting portion 1037 and the sixth mounting portion 1067, so that the subframe assembly is convenient to connect to the vehicle body, the number of parts is reduced, and the cost is saved.
Specifically, the first mounting portion 1035 and the fourth mounting portion 1065 are both plate-shaped structures, and the shapes of the first mounting portion 1035 and the fourth mounting portion 1065 are set according to actual conditions as long as the first beam 101 can be stably welded, and thus are not limited herein.
Specifically, the second and fifth mounting portions 1036 and 1066 each have a mounting surface.
Preferably, at least one first bolt hole 10321 is disposed on the first connection portion 1032;
at least one third bolt hole 10621 is disposed in the fourth connecting portion 1062, and two ends of the driving stabilizer assembly 111 are respectively in threaded connection with the first bolt hole 10321 and the third bolt hole 10621, so that the driving stabilizer assembly 111 is detachably connected to the first connecting portion 1032 and the fourth connecting portion 1062.
Preferably, the second connection portion 1033 is provided with at least one second bolt hole 10331, and the steering gear 110 is respectively screwed with the two second bolt holes 10331 by bolts, so that the steering gear 110 is detachably connected with the second connection portion 1033;
at least one fourth bolt hole 10631 is disposed on the fifth connecting portion 1063 at an interval, and two ends of the steering gear 110 are respectively in threaded connection with the second bolt hole 10331 and the fourth bolt hole 10631, so that the steering gear 110 is detachably connected with the second connecting portion 1033 and the fifth connecting portion 1063, respectively.
In this embodiment, the number of the first bolt holes 10321 is two, two of the first bolt holes 10321 are spaced apart, and two of the first bolt holes 10321 are disposed along the Z direction of the subframe assembly, i.e., one of the first bolt holes 10321 is disposed above the other first bolt hole 10321.
In this embodiment, the number of the second bolt holes 10331 is two, two of the second bolt holes 10331 are spaced apart, and two of the second bolt holes 10331 are disposed along the Z direction of the subframe assembly, i.e., one of the second bolt holes 10331 is disposed above the other second bolt hole 10331.
In this embodiment, the structure of the first connection portion 1032 and the second connection portion 1033, and the structure of the fourth connection portion 1062 and the fifth connection portion 1063 are not limited, as long as the steering gear 110 and the active stabilizer bar assembly 111 can be easily detached from and installed on the subframe assembly, and the subframe assembly is designed to be light; the specific structure of the above components is set according to actual conditions.
Specifically, one of the first bolt holes 10321, the other of the first bolt holes 10321, the one of the second bolt holes 10331, and the other of the second bolt holes 10331 are sequentially arranged along the Z direction of the subframe assembly, so that the steering gear 110 and the active stabilizer bar assembly 111 are both arranged on the front side of the subframe assembly, which saves the arrangement space to some extent; meanwhile, the number of parts is reduced, light design is achieved, and cost is saved.
In some possible embodiments, there are two third bolt holes 10621, two third bolt holes 10621 are spaced apart, and two third bolt holes 10621 are disposed along the Z-direction of the subframe assembly.
Specifically, the number of the fourth bolt holes 10631 is two, two of the fourth bolt holes 10631 are spaced apart, and one of the fourth bolt holes 10631 is disposed above the other of the fourth bolt holes 10631.
Furthermore, one third bolt hole 10621, another third bolt hole 10621, one fourth bolt hole 10631 and another fourth bolt hole 10631 are disposed along the Z-direction of the subframe assembly, so that the steering gear 110 and the active stabilizer bar assembly 111 are disposed on the front side of the subframe assembly, which saves the layout space to some extent; meanwhile, the number of parts is reduced, light weight design is achieved, and cost is saved.
Preferably, the third connecting portion 1034 includes two first connecting plates oppositely disposed, a first through hole is disposed on the first connecting plate, a bolt is disposed in the first through hole, and one end of the lower impact beam 112 of the vehicle is detachably connected to the third connecting portion 1034 through the bolt;
the sixth connecting portion 1064 includes two second connecting plates disposed oppositely, a second through hole is disposed on the second connecting plate, a bolt is disposed in the second through hole, and the other end of the lower impact beam 112 of the vehicle is detachably connected to the sixth connecting portion 1064 through the bolt.
Specifically, two first connecting plates are arranged along the Z direction of the auxiliary frame assembly, and two second connecting plates are arranged along the Z direction of the auxiliary frame assembly; the plane where one first connecting plate is located is overlapped with the plane where one second connecting plate is located, and the plane where the other first connecting plate is located is overlapped with the plane where the other second connecting plate is located; and the first connecting plate and the second connecting part form an included angle of 4.5 degrees with the horizontal plane.
Preferably, the axis of the first bolt hole 10321 and the axis of the second bolt hole 10331 are arranged in parallel;
axes of the third bolt hole 10621 and the fourth bolt hole 10631 are arranged in parallel, and axes of the first bolt hole 10321 and the third bolt hole 10621 are arranged in parallel.
Preferably, the first connecting seat 103 further includes a seventh mounting portion 1038, the fourth connecting seat 106 further includes an eighth mounting portion 1068, and the seventh mounting portion 1038 and the eighth mounting portion 1068 are welded and fixed to the third cross beam 109, respectively.
Specifically, the seventh mounting portion 1038 and the eighth mounting portion 1068 have the same structure and are symmetrically disposed, and the structures of the seventh mounting portion 1038 and the eighth mounting portion 1068 are not set, so long as it is ensured that the third beam 109 can be stably welded to the seventh mounting portion 1038 and the eighth mounting portion 1068, and the length direction of the third beam 109 can be parallel to the length direction of the first beam 101 after welding and fixing.
In the present embodiment, the first housing 1031 and the second housing 1061 are symmetrically disposed at two ends of the first beam 101; the first connecting part 1032 and the fourth connecting part 1062 are symmetrically arranged at two ends of the first beam 1; the second connecting parts 1033 and the fifth connecting parts 1063 are symmetrically arranged at two ends of the first cross beam 1; the third connecting portion 1034 and the sixth connecting portion 1064 are symmetrically arranged at two ends of the first beam 1; the first mounting portion 1035 and the fourth mounting portion 1065 are symmetrically arranged at the two ends of the first beam 1; the second mounting part 1036 and the fifth mounting part 1066 are symmetrically arranged at two ends of the first beam 1; the third mounting portion 1037 and the sixth mounting portion 1067 are symmetrically provided at both ends of the first cross member 1.
Preferably, a first reinforcing rib is arranged on the first connecting portion 1032, and the first reinforcing rib is used for reinforcing the strength of the first connecting portion 1032;
a second reinforcing rib is arranged on the fourth connecting portion 1062, and the second reinforcing rib is used for reinforcing the strength of the fourth connecting portion 1062.
Specifically, the first reinforcing rib and the second reinforcing rib can further improve the Z-direction rigidity and strength of the auxiliary frame assembly.
Another aspect of the present invention is a vehicle comprising a steering gear 110, an active stabilizer bar assembly 111, and a subframe assembly as described above;
the first connecting portion 1032 and the fourth connecting portion 1062 are detachably connected to two ends of the driving stabilizer bar assembly 111, respectively;
the second connecting portion 1033 and the fifth connecting portion 1063 are detachably connected to two ends of the steering gear 110, respectively, so that the subframe assembly is detachably connected to the active stabilizer bar assembly 111 and the steering gear 110, respectively.
In the vehicle with the auxiliary frame assembly, the steering engine 110 and the driving stabilizer bar assembly 111 are arranged on the front side of the auxiliary frame assembly, so that the arrangement space is saved to a certain extent, the disassembly is convenient, the driving stabilizer bar assembly 111 and the steering engine 110 can be independently disassembled without disassembling the auxiliary frame assembly, and the after-sale maintenance time and cost are saved; meanwhile, the number of parts is reduced, and lightweight design is realized.
Although the present invention has been described in connection with the preferred embodiments, it is not intended to be limited to the embodiments described herein, and various changes and modifications may be made without departing from the scope of the invention.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above can be combined with each other without conflict.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (10)

1. A subframe assembly comprising a first cross member (101), a first connecting seat (103) and a fourth connecting seat (106);
two ends of the first cross beam (101) are respectively and fixedly connected with the first connecting seat (103) and the fourth connecting seat (106);
the first connection holder (103) comprises a first housing (1031), a first connection portion (1032) and a second connection portion (1033), the first connection portion (1032) and the second connection portion (1033) being disposed on the same side of the first housing (1031);
the fourth connecting seat (106) comprises a second housing (1061), a fourth connecting part (1062) and a fifth connecting part (1063), and the fourth connecting part (1062) and the fifth connecting part (1063) are arranged on the same side of the second housing (1061);
the first connecting portion (1032) and the fourth connecting portion (1062) are respectively used for being detachably connected with the driving stabilizer bar assembly (111), and the second connecting portion (1033) and the fifth connecting portion (1063) are respectively used for being detachably connected with a steering gear (110).
2. The sub-frame assembly according to claim 1, further comprising a first longitudinal beam (107), a second connecting seat (104), a second transverse beam (102), a third connecting seat (105) and a second longitudinal beam (108), wherein the fourth connecting seat (106), the first transverse beam (101), the first connecting seat (103), the first longitudinal beam (107), the second connecting seat (104), the second transverse beam (102), the third connecting seat (105) and the second longitudinal beam (108) are sequentially welded and connected.
3. The subframe assembly of claim 2 wherein said first connector (103) further comprises a third connector portion (1034), a first mounting portion (1035), a second mounting portion (1036), and a third mounting portion (1037);
the first connection portion (1032), the second connection portion (1033), the third connection portion (1034), the first mounting portion (1035), the second mounting portion (1036), and the third mounting portion (1037) are all disposed on the first housing (1031), the first connection portion (1032) and the third connection portion (1034) are disposed on the same side of the first housing (1031), and the second mounting portion (1036) and the first connection portion (1032) are disposed on opposite sides of the first housing (1031);
the third connecting portion (1034) is used for being fixedly connected with a lower collision beam (112) of a vehicle;
the first mounting portion (1035) is fixedly connected with the first cross beam (101);
the second mounting portion (1036) is fixedly connected with the second longitudinal beam (108);
the third mounting portion (1037) is detachably connected to the vehicle body.
4. The subframe assembly of claim 3 wherein said fourth interface receptacle (106) further comprises a sixth interface portion (1064), a fourth mounting portion (1065), a fifth mounting portion (1066) and a sixth mounting portion (1067);
the fourth connecting portion (1062), the fifth connecting portion (1063), the sixth connecting portion (1064), the fourth mounting portion (1065), the fifth mounting portion (1066) and the sixth mounting portion (1067) are all disposed on the second housing (1061), the fourth connecting portion (1062) and the sixth connecting portion (1064) are disposed on the same side of the second housing (1061), and the fifth mounting portion (1066) and the fourth connecting portion (1062) are disposed on opposite sides of the second housing (1061);
the sixth connecting part (1064) is used for being fixedly connected with a lower collision beam (112) of a vehicle;
the fourth mounting part (1065) is fixedly connected with the first cross beam (101);
the fifth mounting part (1066) is fixedly connected with the first longitudinal beam (107);
the sixth mounting portion (1067) is detachably connected with the vehicle body.
5. The sub-frame assembly of claim 4, wherein said first connection portion (1032) has at least one first bolt hole (10321) formed therein;
at least one third bolt hole (10621) is formed in the fourth connecting portion (1062), and two ends of the driving stabilizer assembly (111) are respectively in threaded connection with the first bolt hole (10321) and the third bolt hole (10621), so that the driving stabilizer assembly (111) is detachably connected with the first connecting portion (1032) and the fourth connecting portion (1062), respectively.
6. A sub-frame assembly according to claim 5, wherein said second connecting portion (1033) is provided with at least one second bolt hole (10331), and said steering gear (110) is respectively screwed to two of said second bolt holes (10331) by bolts, so that said steering gear (110) is detachably connected to said second connecting portion (1033);
at least one fourth bolt hole (10631) is formed in the fifth connecting portion (1063), and two ends of the steering gear (110) are respectively in threaded connection with the second bolt hole (10331) and the fourth bolt hole (10631), so that the steering gear (110) is detachably connected with the second connecting portion (1033) and the fifth connecting portion (1063).
7. The subframe assembly of claim 6 wherein said third connecting portion (1034) comprises two first connecting plates disposed oppositely, said first connecting plates having first through holes with bolts disposed therein, one end of the lower impact beam (112) of the vehicle being detachably connected to said third connecting portion (1034) via said bolts;
the sixth connecting portion (1064) comprises two second connecting plates which are oppositely arranged, a second through hole is formed in each second connecting plate, a bolt is arranged in each second through hole, and the other end of the lower collision beam (112) of the vehicle is detachably connected with the sixth connecting portion (1064) through the bolt.
8. The subframe assembly of claim 7 wherein the axis of said first bolt hole (10321) and the axis of said second bolt hole (10331) are disposed in parallel;
axes of the third bolt hole (10621) and the fourth bolt hole (10631) are arranged in parallel, and axes of the first bolt hole (10321) and the third bolt hole (10621) are arranged in parallel.
9. The subframe assembly of claim 1 wherein the first connecting section (103) further comprises a seventh mounting section (1038), the fourth connecting section (106) further comprises an eighth mounting section (1068), and the seventh mounting section (1038) and the eighth mounting section (1068) are respectively welded to the third cross member (109).
10. A vehicle, characterized by comprising a steering gear (110), a stabilizer bar assembly (111) and a subframe assembly according to any one of claims 1-9;
the first connecting part (1032) and the fourth connecting part (1062) are detachably connected with two ends of the driving stabilizer bar assembly (111) respectively;
the second connecting portion (1033) and the fifth connecting portion (1063) are detachably connected to two ends of the steering engine (110), respectively, so that the subframe assembly is detachably connected to the active stabilizer bar assembly (111) and the steering engine (110), respectively.
CN202110891258.5A 2021-08-04 2021-08-04 Auxiliary frame assembly and vehicle Pending CN115703509A (en)

Priority Applications (2)

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CN202110891258.5A CN115703509A (en) 2021-08-04 2021-08-04 Auxiliary frame assembly and vehicle
PCT/CN2022/109361 WO2023011393A1 (en) 2021-08-04 2022-08-01 Subframe assembly, and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110891258.5A CN115703509A (en) 2021-08-04 2021-08-04 Auxiliary frame assembly and vehicle

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US5862877A (en) * 1994-12-20 1999-01-26 Cosma International Inc. Cradle assembly
CZ2008248A3 (en) * 2007-04-24 2008-11-05 Benteler Automobiltechnik Gmbh Process for producing motor vehicle auxiliary frame as well as motor vehicle auxiliary frame per se
CN109263722A (en) * 2018-10-19 2019-01-25 广州汽车集团股份有限公司 Fore sub frame and automobile
CN110203284B (en) * 2019-06-04 2021-07-09 中国第一汽车股份有限公司 Hollow cast aluminum and aluminum section bar welded auxiliary frame
CN112298360B (en) * 2019-07-26 2022-04-15 浙江吉利控股集团有限公司 Front auxiliary frame front mounting seat structure, front auxiliary frame and vehicle
CN110435765B (en) * 2019-08-15 2021-11-02 奇瑞汽车股份有限公司 Front auxiliary frame and automobile
CN213008362U (en) * 2020-07-30 2021-04-20 上汽通用汽车有限公司 Front auxiliary frame and vehicle

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