CN211731556U - Front auxiliary frame assembly - Google Patents
Front auxiliary frame assembly Download PDFInfo
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- CN211731556U CN211731556U CN201922418178.9U CN201922418178U CN211731556U CN 211731556 U CN211731556 U CN 211731556U CN 201922418178 U CN201922418178 U CN 201922418178U CN 211731556 U CN211731556 U CN 211731556U
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Abstract
The utility model provides a front auxiliary frame assembly, which comprises auxiliary frame longitudinal beams on two sides, an auxiliary frame front cross beam and an auxiliary frame rear cross beam which are connected between the auxiliary frame longitudinal beams on the two sides, and a vehicle body front connecting part, a vehicle body middle connecting part and a vehicle body rear connecting part which are arranged oppositely are arranged on the auxiliary frame longitudinal beams on the two sides; the auxiliary frame rear beam power assembly structure is characterized by further comprising two power assembly front suspension installation parts which are arranged on two sides relatively, and power assembly rear suspension installation parts which are arranged on the auxiliary frame rear beam are arranged, the power assembly front suspension installation parts are close to the intersection of the auxiliary frame front beam and the auxiliary frame longitudinal beam on the side and are arranged, the front beam installation positions and the longitudinal beam installation positions which are arranged on the auxiliary frame front beam and the auxiliary frame longitudinal beam are arranged respectively, and the power assembly rear suspension installation parts are arranged in the middle of the auxiliary frame rear beam in the length direction. The utility model discloses a preceding sub vehicle frame assembly utilizes the setting of suspension installation department before the power assembly, can guarantee suspension rigidity on the preceding sub vehicle frame, and can reduce the influence to sub vehicle frame longeron collision energy-absorbing performance.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to preceding sub vehicle frame assembly suitable for new energy automobile.
Background
In a non-load-bearing vehicle body, a front subframe assembly is typically used to connect front axle control arms, steering gears, stabilizer bars, powertrain mounts, vehicle body and other fenders, wiring harnesses, etc. The currently adopted front auxiliary frame assembly can be roughly divided into a full-frame type and a beam type, the front suspension in the traditional power automobile is mostly arranged on an automobile body, and the requirements on the rigidity, the strength and the like of the front auxiliary frame are relatively low because the space arrangement and the suspension rigidity requirements of the front suspension do not need to be considered.
However, for a new energy automobile, a front suspension is generally arranged on a front subframe, and the subframe needs to consider the starting moment and the rigidity at high frequency, so that the requirement on the rigidity of the suspension arrangement is high, and at the moment, the collision energy absorption effect of a longitudinal beam of the front subframe is often sacrificed, so that the related automobile collision standard is possibly difficult to meet. Meanwhile, the arrangement mode that the front suspension on the existing front auxiliary frame is arranged on the front cross beam of the auxiliary frame is easy to cause the occupation of the X-direction space of an engine compartment, so that the arrangement of other parts in the engine compartment is inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a preceding sub vehicle frame assembly to suspension rigidity on the sub vehicle frame can guarantee before, and can reduce the influence to sub vehicle frame longeron collision energy-absorbing performance.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a front auxiliary frame assembly comprises auxiliary frame longitudinal beams which are oppositely arranged on two sides, an auxiliary frame front cross beam which is connected between the auxiliary frame longitudinal beams on the two sides and is close to the front end of the auxiliary frame longitudinal beam, and an auxiliary frame rear cross beam which is close to the rear end of the auxiliary frame longitudinal beam relative to the auxiliary frame front cross beam, wherein the auxiliary frame longitudinal beams on the two sides are provided with a vehicle body front connecting part, a vehicle body middle connecting part and a vehicle body rear connecting part which are oppositely arranged along the length direction of the auxiliary frame longitudinal beam; preceding sub vehicle frame assembly still includes:
the power assembly front suspension installation parts are arranged on two sides of the power assembly front suspension installation part in an opposite mode, the power assembly front suspension installation part on each side is arranged close to the intersection of the auxiliary frame front cross beam and the auxiliary frame longitudinal beam on the side, and the power assembly front suspension installation part is provided with a front cross beam installation position arranged at the auxiliary frame front cross beam and a longitudinal beam installation position arranged at the auxiliary frame longitudinal beam;
the power assembly rear suspension installation department locates on the sub vehicle frame rear cross beam, just the power assembly rear suspension installation department is in sub vehicle frame rear cross beam length direction's middle part.
Further, the front cross member mounting position and the side member mounting position in each of the power unit front suspension mounting portions are configured to constitute a mounted power unit front suspension that is mounted to the front sub frame assembly in the height direction of the front sub frame assembly.
Furthermore, a front suspension bracket extending towards the inner side of the auxiliary frame longitudinal beam is fixedly connected to the auxiliary frame longitudinal beam on one side, and the longitudinal beam mounting position at the auxiliary frame longitudinal beam on the side is arranged on the front suspension bracket.
Furthermore, the rear suspension installation part of the power assembly is provided with a plurality of rear cross beam installation positions which are regularly arranged on the rear cross beam of the auxiliary frame.
Furthermore, the front end close to each auxiliary frame longitudinal beam is fixedly connected with a front mounting position support, the middle part of each auxiliary frame longitudinal beam is fixedly connected with a middle mounting position support, a front connecting part of the vehicle body is arranged on the front mounting position support, a middle connecting part of the vehicle body is arranged on the middle mounting position support, and a rear connecting part of the vehicle body is arranged at the end part of the rear end of the auxiliary frame longitudinal beam.
Furthermore, the auxiliary frame longitudinal beam is provided with a stabilizer bar mounting position, a swing arm large shaft sleeve mounting position and a swing arm small shaft sleeve mounting position which are arranged oppositely, the auxiliary frame rear cross beam is provided with a steering gear mounting position, and one side of the auxiliary frame rear cross beam back to the auxiliary frame front cross beam is provided with a battery pack protection plate mounting position.
Further, along the length direction of the auxiliary frame longitudinal beam, the swing arm large shaft sleeve mounting position and the stabilizer bar mounting position are arranged in a collinear manner, the stabilizer bar mounting position is located at the top of the auxiliary frame longitudinal beam, and the swing arm large shaft sleeve mounting position is provided with a first large shaft sleeve mounting point and a second large shaft sleeve mounting point which are arranged at intervals along the length direction of the auxiliary frame longitudinal beam; the first large shaft sleeve mounting point is close to the stabilizer bar mounting position and penetrates through the bottom of the auxiliary frame longitudinal beam, and the second large shaft sleeve mounting point penetrates through the auxiliary frame longitudinal beam from top to bottom.
Further, be equipped with a plurality of edges respectively on each sub vehicle frame longeron length direction arranges the deformation interval that contracts bursts, it contracts the deformation interval and has to be located the anterior interval of sub vehicle frame longeron front end, be close to the middle part interval at the middle part of sub vehicle frame longeron, and be located the rear portion interval of sub vehicle frame longeron rear end, and in the middle part interval be equipped with the muscle that contracts bursts on the sub vehicle frame longeron, in the rear portion is regional set up long banding deformation guide mouth on the sub vehicle frame longeron.
Furthermore, a front cross beam inclined plane inclined outward to the sub frame front cross beam is formed on the upper portion of the sub frame front cross beam on the side opposite to the sub frame rear cross beam.
Furthermore, one side of the auxiliary frame rear cross beam, which is right opposite to the auxiliary frame front cross beam, is provided with a curb entering part which extends outwards, and the top and bottom parts of the auxiliary frame rear cross beam, which are connected with the curb entering part, are respectively provided with an upwards inclined rear cross beam upper inclined surface and a downwards inclined rear cross beam lower inclined surface; and a planar lifting contact part is arranged at the bottom of the auxiliary frame rear cross beam, and a battery pack protection plate connecting part which extends outwards is arranged on one side of the auxiliary frame rear cross beam back to the auxiliary frame front cross beam.
Compared with the prior art, the utility model discloses following advantage has:
the utility model discloses a preceding sub vehicle frame assembly is three point arrangement through suspension installation department around making power assembly, can promote overall structure stability with the power assembly cooperation after the installation to utilize suspension installation department before the power assembly to be close to the intersection of front beam and longeron, and have the installation position that is located respectively on front beam and the longeron, can improve suspension rigidity according to the higher rigidity that leans on front beam and longeron from this, and guarantee the suspension rigidity on the preceding sub vehicle frame. Meanwhile, the front suspension installation parts of the power assembly are dispersed on the front cross beam and the longitudinal beam, and the rear suspension installation parts of the power assembly are located on the rear cross beam, so that the influence on the longitudinal beam structure caused by the suspension installation to the longitudinal beam can be avoided, and the influence on the collision energy absorption performance of the longitudinal beam of the auxiliary frame can be reduced.
Furthermore, the utility model discloses in make the suspension before the power assembly can do benefit to the space that reduces whole car length direction along the direction of height assembly and occupy to the assembly of being convenient for. The longitudinal beam mounting position on one side of the front suspension support is arranged, so that the position arrangement of a motor in a cabin of the new energy automobile can be matched, and the material utilization rate of the longitudinal beam is improved. And the power assembly rear suspension installation part is composed of a plurality of regularly arranged rear cross beam installation positions, so that the suspension installation point can be improved, and the overall rigidity of the auxiliary frame can be improved.
Additionally, the utility model discloses a design of preceding installation position support and well installation position support, the setting of the relevant connecting portion of can being convenient for also can improve the bulk rigidity. Two mounting points in the mounting position of the large shaft sleeve of the swing arm have different penetrating states, arrangement of the large shaft sleeve of the swing arm can be facilitated, and the arrangement of a plurality of crumpling deformation regions on the longitudinal beam can guarantee the collision energy absorption performance of the auxiliary frame while guaranteeing the front suspension rigidity. And the design of the upper curb entering part and the lower inclined surface of the rear cross beam can ensure that the front cross beam and the rear cross beam smoothly pass through the curb, the electric bridge can slide upwards in collision by the design of the upper inclined surface of the front cross beam and the upper inclined surface of the rear cross beam, the influence on the crumple performance of the longitudinal beam is reduced, and the design of the connecting part of the battery pack protection plate is favorable for improving the integral lateral rigidity of the auxiliary frame.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic front structural view of a front subframe assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of the backside structure of FIG. 1;
FIG. 3 is a schematic structural view of the front mounting site bracket on the left side of FIG. 1;
FIG. 4 is an assembled state diagram of the front and rear powertrain suspension;
fig. 5 is a schematic structural view of a mounting position of a large shaft sleeve of a swing arm according to an embodiment of the present invention;
fig. 6 is a schematic layout view of the crumple deformation zone according to the embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
fig. 8 is a schematic structural view of a front cross beam of the subframe according to the embodiment of the present invention;
fig. 9 is a schematic structural view of a rear cross beam of the subframe according to the embodiment of the present invention;
description of reference numerals:
1-subframe longitudinal beam, 2-subframe front beam, 3-subframe rear beam, 4-energy-absorbing box connecting plate, 5-vehicle body front connecting part, 6-front mounting position bracket, 7-front suspension bracket, 8-middle mounting position bracket, 9-power assembly front suspension mounting part, 10-power assembly rear suspension mounting part, 11-battery pack protection plate mounting part, 12-vehicle body middle connecting part, 13-steering gear mounting part, 14-stabilizer bar mounting part, 15-swing arm large shaft sleeve mounting part, 16-vehicle body rear connecting part, 17-swing arm small shaft sleeve mounting part, 18-power assembly front suspension, 19-power assembly rear suspension, 20-deformation guide opening;
101-longitudinal beam upper plate, 102-longitudinal beam lower plate;
201-front beam upper plate, 202-front beam lower plate, 203-front beam inclined plane;
301-rear beam upper plate, 302-rear beam lower plate, 303-curb entry portion, 304-rear beam upper inclined plane, 305-rear beam lower inclined plane, 306-battery pack guard plate connection portion, 307-lifting contact portion;
901-front beam mounting position, 902-longitudinal beam mounting position;
1001-rear beam mounting position;
1501-a first large bushing mounting point, 1502-a second large bushing mounting point.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The embodiment relates to a preceding sub vehicle frame assembly, it is used for new energy automobile to can match in the design of new energy automobile motorcycle type, can promote the suspension rigidity before the power assembly, satisfy its rigidity requirement, also can satisfy the requirement of different situations such as multiple collision operating mode and curb mistake simultaneously.
Specifically, as shown in fig. 1 and fig. 2, the front subframe assembly of the present embodiment includes two subframe longitudinal beams 1 disposed opposite to each other on both sides, a subframe front cross beam 2 connected between the subframe longitudinal beams 1 on both sides and near the front end of the subframe longitudinal beam 1, and a subframe rear cross beam 3 connected to the subframe front cross beam 2 and near the rear end of the subframe longitudinal beam 1, and a vehicle body front connecting portion 5, a vehicle body middle connecting portion 12, and a vehicle body rear connecting portion 16 disposed opposite to each other are also provided on the subframe longitudinal beams 1 on both sides in the length direction of the subframe longitudinal beam 1.
Meanwhile, the front subframe assembly of the present embodiment further includes two powertrain front suspension mounting portions 9 disposed at two sides and a powertrain rear suspension mounting portion 10 disposed on the subframe rear cross member 3. The front suspension mounting part 9 of each side is arranged close to the intersection of the front cross beam 2 of the subframe and the longitudinal beam 1 of the subframe on the side, and is provided with a front cross beam mounting position 901 arranged at the front cross beam 2 of the subframe and a longitudinal beam mounting position 902 arranged at the longitudinal beam 1 of the subframe. The rear suspension mount 10 is disposed to be located at the middle of the subframe rear cross member 3 in the longitudinal direction.
In this embodiment, since the motor in the cabin of the new energy automobile is generally designed and arranged in a position deviated to the left, in order to improve the material utilization rate of the side member, a front suspension bracket 7 extending toward the inner side of the sub frame side member 1 is fixedly connected to one side of the sub frame side member 1, that is, the right side of the sub frame side member 1 shown in fig. 1, and a side member mounting position 902 at the sub frame side member 1 on the side is disposed on the front suspension bracket 7. In addition, as shown in fig. 3, the front cross member installation site 901 and the longitudinal member installation site 902 described above in this embodiment generally use fixedly connected threaded pipes, and of course, other installation structures such as connection holes may be used instead of the threaded pipes.
The rear suspension mount 10 of the powertrain of the present embodiment on the rear cross member 3 of the subframe is configured to have a plurality of rear cross member mount locations 1001 regularly arranged on the rear cross member 3 of the subframe, wherein each of the rear cross member mount locations 1001 may be, for example, four as shown in fig. 1 arranged in a square shape, and in design, each of the rear cross member mount locations 1001 may adopt a connection hole arranged to penetrate through the rear cross member 3 of the subframe. At this time, in order to ensure the structural strength of each rear cross member mounting position 1001, it is needless to say that a support pipe is provided in the subframe rear cross member 3 corresponding to each connection hole, and the support pipe is welded and fixed in the subframe rear cross member 3.
As shown in fig. 4, in the assembled state of the front suspension 18 and the rear suspension 19 of the powertrain on the front subframe, it can be seen that the front suspension 19 of the powertrain is assembled to the front subframe assembly along the height direction of the front subframe assembly, that is, the Z direction of the vehicle, by the arrangement of the front cross beam mounting location 901 and the longitudinal beam mounting location 902 in the two front suspension mounting portions 9 of the powertrain. Therefore, the occupied cabin space in the length direction of the whole vehicle can be favorably reduced, and the assembly of each part is facilitated.
In this embodiment, the front end portions of the subframe longitudinal beams 1 on the two sides are fixedly connected with the energy-absorbing box connecting plates 4 respectively, and the energy-absorbing boxes and the longitudinal beams in the front anti-collision beam assembly can be connected in a bolt connection mode. And close to the front end of each sub frame longeron 1, this embodiment has still linked firmly preceding erection site support 6 to erection site support 8 in the middle part of each sub frame longeron 1 has also been linked firmly. In this case, the vehicle body front connecting portion 5 is provided on the front mount bracket 6, the vehicle body center connecting portion 12 is provided on the center mount bracket 8, and the vehicle body rear connecting portion 16 is provided directly at the end portion of the rear end of the sub-frame side member 1.
The structure of the front mounting position support 6 can be shown in fig. 3, and the front mounting position support can be formed by fastening and connecting an inner plate and an outer plate, and the vehicle body front connecting part 5 positioned on the front mounting position support can be selected as a supporting tube structure fixedly connected to the top of the front mounting position support 6. Meanwhile, it should be noted that, on the basis of ensuring the structural performance of the powertrain front suspension mounting portion 9 and the vehicle body front connecting portion 5, the present embodiment preferably arranges the front mounting portion between the support 6 and the powertrain front suspension mounting portion 9 on the same side as close as possible, so as to increase the local size to the maximum extent and improve the front suspension dynamic stiffness as the space allows.
The middle mounting position support 8 is structurally formed, preferably, the middle mounting position support is formed by an inner plate and an outer plate which are fixedly connected in a buckling mode similarly to the front mounting position support 6, and the vehicle body middle connecting part 12 positioned on the middle mounting position support can be formed by a supporting tube structure fixedly connected to the top of the middle mounting position support 8 in a welding mode. In the case of the rear body connection 16 arranged directly at the end of the subframe longitudinal beam 1, a support tube structure welded into the subframe longitudinal beam 1 is also used.
In this embodiment, the subframe longitudinal beams 1 on both sides are also provided with a stabilizer bar mounting position 14, a swing arm large bushing mounting position 15, and a swing arm small bushing mounting position 17, which are arranged in opposition to each other. Meanwhile, a steering gear mounting position 13 is also arranged on the subframe rear cross beam 3, and a battery pack guard plate mounting position 11 for connecting a battery pack guard plate is also arranged on one side of the subframe rear cross beam 3, which faces away from the subframe front cross beam 2.
Wherein, stabilizer bar installation position 14 and swing arm big axle sleeve installation position 15 and swing arm little axle sleeve installation position 17 can be the mounting hole structure that sets up on sub vehicle frame longeron 1, and correspond to swing arm axle sleeve mounting point, the inside multiplicable installing support of sub vehicle frame longeron 1 to guarantee the steadiness of swing arm axle sleeve installation.
In addition, in the present embodiment, the swing arm large bushing mounting locations 15 and the stabilizer bar mounting locations 14 are arranged in a collinear manner along the length direction of the subframe longitudinal beam 1, the stabilizer bar mounting locations 14 are located at the top of the subframe longitudinal beam 1, and the swing arm large bushing mounting locations 15 have first large bushing mounting points 1501 and second large bushing mounting points 1502 arranged at intervals along the length direction of the subframe longitudinal beam 1. In this case, in combination with fig. 5, the first large boss mounting point 1501 is located near the stabilizer bar mounting position 14 and penetrates only the bottom of the subframe side member 1, that is, the side member lower plate 102 of the subframe side member 1, and the second large boss mounting point 1502 penetrates the subframe side member 1 up and down, that is, penetrates both the side member upper plate 101 and the side member lower plate 102.
Through the arrangement of the relative positions of the stabilizer bar mounting position 14 and the swing arm large shaft sleeve mounting position 15, the assembly of the stabilizer bar and the swing arm large shaft sleeve on the auxiliary frame assembly can be facilitated. In addition, in the present embodiment, as shown in fig. 6 and 7, a plurality of crush deformation sections arranged along the longitudinal direction of the subframe longitudinal beam 1 are also respectively provided on each subframe longitudinal beam 1 in order to improve the collision energy absorption performance of the subframe longitudinal beam 1 in the subframe assembly.
In the specific design, the crumple deformation zone comprises a front zone a located at the front end of the auxiliary frame longitudinal beam 1, a middle zone b close to the middle of the auxiliary frame longitudinal beam 1, and a rear zone c located at the rear end of the auxiliary frame longitudinal beam 1. The length of each section can be selected according to the overall structure design of the longitudinal beam, the rigidity of the position of the front suspension mounting part 9 of the power assembly and the design of the collision performance of the whole vehicle, generally, the auxiliary frame longitudinal beam 1 in the middle section b can be selected to be provided with a crumple rib, and the auxiliary frame longitudinal beam 1 in the rear section c is provided with a long-strip-shaped deformation guide opening 22, so that the crumple energy absorption effect of the auxiliary frame longitudinal beam 1 is ensured.
Like sub vehicle frame longeron 1 as above for by longeron upper plate 101 and longeron hypoplastron 102 lock link firmly form, sub vehicle frame front beam 2 and sub vehicle frame rear beam 3 of this embodiment also are like most horizontal longeron structure in the current car, for by two panel metals that the lock links to each other constitution. At this time, as shown in fig. 8 and 9, the subframe front cross member 2 is composed of a front cross member upper plate 201 and a front cross member lower plate 202, and the subframe rear cross member 3 is composed of a rear cross member upper plate 301 and a rear cross member lower plate 302.
In order to reduce the impact of the collapse deformation on the subframe longitudinal beam 1 by making the powertrain slide upward during the vehicle collision, the present embodiment forms a front beam inclined plane 203 inclined outward to the subframe front beam 2 on the upper portion of the subframe front beam 2 on the side of the subframe rear beam 3, and also forms a rear beam upper inclined plane 304 inclined outward to the subframe rear beam 3 on the upper portion of the subframe rear beam 3 on the side of the subframe front beam 2. The front beam inclined surface 203 and the rear beam upper inclined surface 304 constitute guide surfaces that allow the power assembly to slide upward.
Further, in this embodiment, a curb entering portion 303 extending outward is further provided on a side of the subframe rear cross member 3 opposite to the subframe front cross member 2, the rear cross member upper inclined surface 304 is located at a top portion of the subframe rear cross member 3 connected to the curb entering portion 303, and a rear cross member lower inclined surface 305 inclining downward rearward is also formed at a bottom portion of the subframe rear cross member 3 connected to the curb entering portion 303. Furthermore, a planar lifting contact 307 is also provided at the bottom of the subframe rear cross member 3, and a battery cover plate connection 306 that is arranged in an overhanging manner is also provided on the side of the subframe rear cross member 3 facing away from the subframe front cross member 2.
The battery pack guard plate connecting portion 306 and the curb stone entering portion 303 are both plate-shaped, and they are specifically formed by extending the rear cross beam lower plate 302 on the corresponding side outward, and the aforementioned battery pack guard plate mounting position 11 is disposed on the battery pack guard plate connecting portion 306, and the battery pack guard plate mounting position 11 is generally set to be a mounting hole structure opened on the battery pack guard plate connecting portion 306. In addition, the angle between the rear cross beam lower inclined surface 305 and the horizontal plane can be designed to be generally between 40 degrees and 60 degrees, and the angle between the front cross beam inclined surface 203 and the rear cross beam upper inclined surface 304 and the horizontal plane can be selected according to specific situations.
In the embodiment, the kerb entering part 303 is designed, so that the kerb can be ensured to pass through by utilizing the ground clearance, and the kerb can be further matched with the arrangement of the rear cross beam lower inclined plane 305 behind the kerb, so that the kerb can be supported and completely scraped under special working conditions, and the damage caused by the contact with the kerb and other structures is reduced. The lifting contact portion 307 is a plane formed at the bottom of the sub-frame rear cross member 3 for lifting the sub-frame assembly during maintenance, and the area occupied by the lifting contact portion 307 is selected according to the overall structure of the sub-frame rear cross member 3 and the fit among the components.
The sub vehicle frame assembly of this embodiment is through being three point arrangement with the suspension installation department around the power assembly, can promote overall structure stability with the power assembly cooperation after the installation to utilize power assembly front suspension installation department 9 to be close to sub vehicle frame front beam 2 and sub vehicle frame longeron 1's intersection, and have the installation position that is located respectively on front beam and the longeron, also can rely on sub vehicle frame front beam 2 and sub vehicle frame longeron 1's higher rigidity to improve the suspension rigidity, with this can guarantee the suspension rigidity on the preceding sub vehicle frame. Meanwhile, the design of the crumple deformation zones, the front beam inclined plane 203, the rear beam upper inclined plane 304 and the like is combined, so that the auxiliary frame assembly can meet the requirements of different safe collision working conditions such as 56FF, MODB, ODB, FP, RCAR and the like, and the practicability is good.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a preceding sub vehicle frame assembly, includes relative arrangement in sub vehicle frame longeron (1) of both sides to and connect in both sides being close to between sub vehicle frame longeron (1) sub vehicle frame front beam (2) of sub vehicle frame longeron (1) front end, and for sub vehicle frame front beam (2) are close to sub vehicle frame rear beam (3) of sub vehicle frame longeron (1) rear end, and follow the length direction of sub vehicle frame longeron (1), in both sides be equipped with relative arrangement's connecting portion (16) behind connecting portion (12) and the automobile body before connecting portion (5) in the automobile body, automobile body on sub vehicle frame longeron (1), its characterized in that: further comprising:
the power assembly front suspension installation parts (9) are oppositely arranged at two sides, the power assembly front suspension installation part (9) at each side is arranged close to the intersection of the auxiliary frame front cross beam (2) and the auxiliary frame longitudinal beam (1) at the side, and is provided with a front cross beam installation position (901) arranged at the auxiliary frame front cross beam (2) and a longitudinal beam installation position (902) arranged at the auxiliary frame longitudinal beam (1);
and the rear suspension mounting part (10) of the power assembly is arranged on the rear cross beam (3) of the auxiliary frame, and the rear suspension mounting part (10) of the power assembly is arranged in the middle of the rear cross beam (3) of the auxiliary frame in the length direction.
2. The front subframe assembly of claim 1 wherein: the front cross beam mounting position (901) and the longitudinal beam mounting position (902) in each powertrain front suspension mounting portion (9) are configured to constitute a mounted powertrain front suspension (18) to be mounted to the front subframe assembly in the height direction of the front subframe assembly.
3. The front subframe assembly of claim 1 wherein: wherein, a front suspension bracket (7) extending towards the inner side of the auxiliary frame longitudinal beam (1) is fixedly connected to the auxiliary frame longitudinal beam (1) at one side, and the longitudinal beam mounting position (902) at the auxiliary frame longitudinal beam (1) at the side is arranged on the front suspension bracket (7).
4. The front subframe assembly of claim 1 wherein: the rear suspension installation part (10) of the power assembly is provided with a plurality of rear cross beam installation positions (1001) which are regularly arranged on the rear cross beam (3) of the auxiliary frame.
5. The front subframe assembly of claim 1 wherein: close to in each the front end of sub vehicle frame longeron (1) links firmly preceding erection site support (6) to in each the middle part of sub vehicle frame longeron (1) has linked firmly well erection site support (8), connecting portion (5) are located before the automobile body on preceding erection site support (6), connecting portion (12) are located in the automobile body on well erection site support (8), connecting portion (16) are located behind the automobile body the tip of sub vehicle frame longeron (1) rear end.
6. The front subframe assembly of claim 1 wherein: the auxiliary frame longitudinal beam comprises an auxiliary frame longitudinal beam (1) and is characterized in that a stabilizer bar mounting position (14), a swing arm large shaft sleeve mounting position (15) and a swing arm small shaft sleeve mounting position (17) which are arranged oppositely are arranged on the auxiliary frame longitudinal beam (1), a steering gear mounting position (13) is arranged on the auxiliary frame rear cross beam (3), and a battery pack protection plate mounting position (11) is arranged on one side, back to the auxiliary frame front cross beam (2), of the auxiliary frame rear cross beam (3).
7. The front subframe assembly of claim 6 wherein: the swing arm large shaft sleeve mounting position (15) and the stabilizer bar mounting position (14) are arranged in a collinear mode along the length direction of the auxiliary frame longitudinal beam (1), the stabilizer bar mounting position (14) is located at the top of the auxiliary frame longitudinal beam (1), and the swing arm large shaft sleeve mounting position (15) is provided with a first large shaft sleeve mounting point (1501) and a second large shaft sleeve mounting point (1502) which are arranged at intervals along the length direction of the auxiliary frame longitudinal beam (1); the first large shaft sleeve mounting point (1501) is close to the stabilizer bar mounting position (14) and penetrates through the bottom of the auxiliary frame longitudinal beam (1), and the second large shaft sleeve mounting point (1502) penetrates through the auxiliary frame longitudinal beam (1) up and down.
8. The front subframe assembly of claim 1 wherein: in each be equipped with a plurality of edges respectively on sub vehicle frame longeron (1) the crumple deformation zone that sub vehicle frame longeron (1) length direction arranged, crumple deformation zone has and is located sub vehicle frame longeron (1) front end anterior interval (a), be close to sub vehicle frame longeron (1) the middle part of the middle part is interval (b), and is located sub vehicle frame longeron (1) rear end rear portion is interval (c), and in middle part interval (b) be equipped with the muscle that crumples on sub vehicle frame longeron (1), in rear portion interval (c) set up rectangular form deformation guide mouth (22) on sub vehicle frame longeron (1).
9. The front subframe assembly of claim 1 wherein: and a front cross beam inclined plane (203) which inclines outwards towards the auxiliary frame front cross beam (2) is formed on the upper part of one side, right opposite to the auxiliary frame rear cross beam (3), of the auxiliary frame front cross beam (2).
10. The front subframe assembly of any one of claims 1-9 wherein: a curb entering part (303) which extends outwards is arranged on one side, right opposite to the front cross beam (2), of the auxiliary frame rear cross beam (3), and an upwards inclined rear cross beam upper inclined plane (304) and a downwards inclined rear cross beam lower inclined plane (305) are respectively formed at the top part and the bottom part of the auxiliary frame rear cross beam (3) which is connected with the curb entering part (303); and a planar lifting contact part (307) is arranged at the bottom of the auxiliary frame rear cross beam (3), and a battery pack protection plate connecting part (306) which extends outwards is arranged at one side of the auxiliary frame rear cross beam (3) back to the auxiliary frame front cross beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922418178.9U CN211731556U (en) | 2019-12-27 | 2019-12-27 | Front auxiliary frame assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922418178.9U CN211731556U (en) | 2019-12-27 | 2019-12-27 | Front auxiliary frame assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211731556U true CN211731556U (en) | 2020-10-23 |
Family
ID=72871706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922418178.9U Active CN211731556U (en) | 2019-12-27 | 2019-12-27 | Front auxiliary frame assembly |
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| Country | Link |
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| CN (1) | CN211731556U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834534A (en) * | 2022-04-27 | 2022-08-02 | 岚图汽车科技有限公司 | Controllable structure that drops of preceding power assembly among collision process |
| CN115158466A (en) * | 2022-08-17 | 2022-10-11 | 柳州五菱新能源汽车有限公司 | Auxiliary frame and vehicle |
-
2019
- 2019-12-27 CN CN201922418178.9U patent/CN211731556U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834534A (en) * | 2022-04-27 | 2022-08-02 | 岚图汽车科技有限公司 | Controllable structure that drops of preceding power assembly among collision process |
| CN115158466A (en) * | 2022-08-17 | 2022-10-11 | 柳州五菱新能源汽车有限公司 | Auxiliary frame and vehicle |
| CN115158466B (en) * | 2022-08-17 | 2023-09-22 | 柳州五菱新能源汽车有限公司 | Auxiliary frame and vehicle |
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