CN212149011U - Screwed front auxiliary frame for passenger car - Google Patents

Screwed front auxiliary frame for passenger car Download PDF

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Publication number
CN212149011U
CN212149011U CN201922479316.4U CN201922479316U CN212149011U CN 212149011 U CN212149011 U CN 212149011U CN 201922479316 U CN201922479316 U CN 201922479316U CN 212149011 U CN212149011 U CN 212149011U
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China
Prior art keywords
crossbeam
cross beam
mounting
hole
longitudinal beam
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CN201922479316.4U
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Chinese (zh)
Inventor
卫庭硕
赵岑
丁树伟
武小一
常海啸
杨广宇
乐逸
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FAW Group Corp
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FAW Group Corp
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Abstract

The utility model belongs to the technical field of front suspension system, in particular to a screw joint front auxiliary frame for a passenger vehicle; the first cross beam, the second cross beam and the third cross beam are sequentially fixed between the right longitudinal beam and the left longitudinal beam, the two ends of the third cross beam respectively extend to the rear ends to form a right connecting beam and a left connecting beam, and the connecting positions of the two ends of the third cross beam and the right connecting beam and the left connecting beam are respectively provided with a control arm front point mounting lug; positioning pins are respectively arranged above the rear ends of the right longitudinal beam and the left longitudinal beam, and a control arm right rear mounting boss with a threaded through hole is arranged on each positioning pin; the auxiliary frame is divided into four parts, and the cast aluminum body adopts a low-pressure casting process, so that the overall casting difficulty can be reduced, the requirements on production equipment are reduced, the production cost is reduced, and the requirements of more auxiliary frame connection points, complex structure and the like are met; simple process, high production efficiency, high strength and low production difficulty.

Description

Screwed front auxiliary frame for passenger car
Technical Field
The utility model belongs to the technical field of front suspension system, concretely relates to sub vehicle frame before spiro union for passenger car.
Background
The sub vehicle frame of current area front end frame is mostly the steel sheet concatenation form, considers aluminium material characteristic simultaneously, and full aluminium sub vehicle frame development is higher to the design requirement of structure. The sub vehicle frame is mostly steel sheet welding mosaic structure around current passenger car, and this kind of structure has the weight height, and welding quality control is difficult, shortcomings such as hard spot size precision difficulty.
Disclosure of Invention
In order to overcome the problem, the utility model provides a sub vehicle frame before spiro union for passenger car under the requirement that satisfies intensity and bearing capacity, realizes falling the weight, and sub vehicle frame casting part adopts whole machining simultaneously, has the advantage in the aspect of size precision control.
A screwed front auxiliary frame for a passenger car comprises a cast body 1, a left goat's horn 2, a right goat's horn 3 and an end frame 4, wherein the cast body 1 comprises a first cross beam 11, a second cross beam 12, a third cross beam 13, a right longitudinal beam 14 and a left longitudinal beam 15, wherein the first cross beam 11, the second cross beam 12 and the third cross beam 13 are sequentially fixed between the right longitudinal beam 14 and the left longitudinal beam 15 from back to front, a plurality of reinforcing ribs are arranged between the first cross beam 11 and the second cross beam 12, a plurality of reinforcing ribs are also arranged between the second cross beam 12 and the third cross beam 13, right stabilizer cover plate connecting threaded through holes 5 are respectively arranged at the junctions of the first cross beam 11 and the right longitudinal beam 14, left stabilizer cover plate connecting threaded through holes 6 are respectively arranged at the junctions of the first cross beam 11 and the second cross beam 12 and the left longitudinal beam 15, steering gear mounting threaded through holes 9 are arranged at the junctions of the third cross beam 13 and the right longitudinal beam 14, a steering gear mounting threaded through hole 9 is formed in the joint of the third cross beam 13 and the left longitudinal beam 15, a steering gear mounting threaded through hole 9 is formed in the joint of the third cross beam 13 and the right longitudinal beam 14, and a steering gear mounting threaded through hole 9 is formed in a reinforcing rib between the middle of the second cross beam 12 and the middle of the third cross beam 13;
a right connecting beam 16 and a left connecting beam 17 extend from the two ends of the third cross beam 13 to the rear ends respectively, a right vehicle body front mounting boss 19 and a left vehicle body front mounting boss 20 are arranged above the front ends of the right connecting beam 16 and the left connecting beam 17 respectively, and a right extending beam bracket mounting plate 21 and a left extending beam bracket mounting plate 22 are arranged at the front end parts of the right connecting beam 16 and the left connecting beam 17 respectively;
the left horn 2 and the right horn 3 are respectively welded above two ends of a third cross beam 13 of the casting body 1, two ends of an end frame 4 are respectively connected below a right connecting beam 16 and a left connecting beam 17 in a threaded manner, the top surface of the left horn 2 is a left vehicle body middle mounting surface 10, and the top surface of the right horn 3 is a right vehicle body middle mounting surface 18;
a power assembly rear suspension mounting through hole 23 is formed in the left end of a third cross beam 13 of the casting body 1, and a right front lower control arm front point mounting lug 24 and a left front lower control arm front point mounting lug 25 are respectively arranged at the connection positions of the two ends of the third cross beam 13 and a right connecting beam 16 and a left connecting beam 17;
a right positioning pin 26 and a left positioning pin 27 are respectively arranged above the rear ends of the right longitudinal beam 14 and the left longitudinal beam 15, a left automobile body rear mounting surface 28 is arranged on the left longitudinal beam 15 at the left end of the left positioning pin 27, a right automobile body rear mounting surface 29 is arranged on the right longitudinal beam 14 at the right end of the right positioning pin 26, a right front lower control arm rear mounting boss 7 with a threaded through hole inside is arranged on the right longitudinal beam 14 in front of the right positioning pin 26, and a left front lower control arm right rear mounting boss 8 with a threaded through hole inside is arranged on the left longitudinal beam 15 in front of the left positioning pin 27.
The utility model has the advantages that:
the utility model discloses an adopt cast aluminium body and aluminium alloy spiro union welded structure, divide into four parts with the sub vehicle frame, cast aluminium body and adopt the low pressure casting process, can reduce the whole casting degree of difficulty, reduce the requirement to production facility, reduction in production cost, satisfy the sub vehicle frame tie point many simultaneously, requirement such as structure is complicated; the front end frame is welded by aluminum profiles in a splicing way, and has the advantages of simple process, high production efficiency, high strength and the like; the front and the back are in a threaded connection mode, so that the production difficulty can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1 casting body, 2 left side claw, 3 right side claw, 4-end frame, 5 right stabilizer bar cover plate connecting thread through hole, 6 left stabilizer bar cover plate connecting thread through hole, 7 right front lower control arm right rear mounting boss, 8 left front lower control arm right rear mounting boss, 9 steering gear mounting thread through hole, 10 left side vehicle body middle mounting surface, 11 first cross beam, 12 second cross beam, 13 third cross beam, 14 right longitudinal beam, 15 left longitudinal beam, 16 right connecting beam, 17 left connecting beam, 18 right side vehicle body middle mounting surface, 19 right side vehicle body front mounting boss, 20 left side vehicle body front mounting boss, 21 right side extending beam bracket mounting plate, 22 left side extending beam bracket mounting plate, 23 power assembly rear suspension mounting through hole, 24 right front lower control arm front point mounting lug, 25 left front lower control arm front point mounting lug, 26 right positioning pin, 27 left positioning pin, 28 left side vehicle body rear mounting surface, 29 right vehicle body rear mounting surface.
Detailed Description
As shown in figure 1, the screwed front auxiliary frame for the passenger car comprises a cast body 1, a left-side claw 2, a right-side claw 3 and an end frame 4, wherein the cast body 1 comprises a first cross beam 11, a second cross beam 12, a third cross beam 13, a right longitudinal beam 14 and a left longitudinal beam 15, the first cross beam 11, the second cross beam 12 and the third cross beam 13 are sequentially fixed between the right longitudinal beam 14 and the left longitudinal beam 15 from back to front, a plurality of reinforcing ribs are arranged between the first cross beam 11 and the second cross beam 12, a plurality of reinforcing ribs are also arranged between the second cross beam 12 and the third cross beam 13, right stabilizer cover plate connecting threaded through holes 5 are respectively arranged at the junctions of the first cross beam 11, the second cross beam 12 and the right longitudinal beam 14, left stabilizer cover plate connecting threaded through holes 6 are respectively arranged at the junctions of the first cross beam 11, the second cross beam 12 and the left longitudinal beam 15, steering machine mounting threaded through holes 9 are arranged at the junctions of the third cross beam 13 and the right longitudinal beam, a steering gear mounting threaded through hole 9 is formed in the joint of the third cross beam 13 and the left longitudinal beam 15, a steering gear mounting threaded through hole 9 is formed in the joint of the third cross beam 13 and the right longitudinal beam 14, and a steering gear mounting threaded through hole 9 is formed in a reinforcing rib between the middle of the second cross beam 12 and the middle of the third cross beam 13;
a right connecting beam 16 and a left connecting beam 17 extend from the two ends of the third cross beam 13 to the rear ends respectively, a right vehicle body front mounting boss 19 and a left vehicle body front mounting boss 20 are arranged above the front ends of the right connecting beam 16 and the left connecting beam 17 respectively, and a right extending beam bracket mounting plate 21 and a left extending beam bracket mounting plate 22 are arranged at the front end parts of the right connecting beam 16 and the left connecting beam 17 respectively;
the left horn 2 and the right horn 3 are respectively welded above two ends of a third cross beam 13 of the casting body 1, two ends of an end frame 4 are respectively connected below a right connecting beam 16 and a left connecting beam 17 in a threaded manner, the top surface of the left horn 2 is a left vehicle body middle mounting surface 10, and the top surface of the right horn 3 is a right vehicle body middle mounting surface 18;
a power assembly rear suspension mounting through hole 23 is formed in the left end of a third cross beam 13 of the casting body 1, and a right front lower control arm front point mounting lug 24 and a left front lower control arm front point mounting lug 25 are respectively arranged at the connection positions of the two ends of the third cross beam 13 and a right connecting beam 16 and a left connecting beam 17;
a right positioning pin 26 and a left positioning pin 27 are respectively arranged above the rear ends of the right longitudinal beam 14 and the left longitudinal beam 15, a left automobile body rear mounting surface 28 is arranged on the left longitudinal beam 15 at the left end of the left positioning pin 27, a right automobile body rear mounting surface 29 is arranged on the right longitudinal beam 14 at the right end of the right positioning pin 26, a right front lower control arm rear mounting boss 7 with a threaded through hole inside is arranged on the right longitudinal beam 14 in front of the right positioning pin 26, and a left front lower control arm right rear mounting boss 8 with a threaded through hole inside is arranged on the left longitudinal beam 15 in front of the left positioning pin 27.
Wherein, the left sheep horn 2 and the right sheep horn 3 are respectively welded with the casting body 1, and the casting body 1 and the end frame 4 are screwed.
Right positioning pin 26: when the auxiliary frame is combined with the vehicle body, the auxiliary frame is used for positioning; left positioning pin 27: when the auxiliary frame is combined with the vehicle body, the auxiliary frame is used for positioning;
right vehicle body rear attachment surface 29: the connecting device is used for connecting a vehicle body;
left vehicle body rear attachment surface 28: the connecting device is used for connecting a vehicle body;
right stabilizer bar apron connection screw through-hole 5: the connecting bolt is used for connecting a right cover plate of the transverse stabilizer bar;
left stabilizer bar apron connection screw through-hole 6: the connecting bolt is used for connecting a left cover plate of the transverse stabilizer bar;
right back installation boss 7 of right front lower control arm: the through hole thread is arranged and used for connecting the rear point of the right front lower control arm;
left front lower control arm right rear mounting boss 8: the through hole thread is arranged and used for connecting the rear point of the left front lower control arm;
steering gear mounting threaded through hole 1009: the steering gear is used for connecting a steering machine;
right-side vehicle body intermediate mounting surface 18: the connecting device is used for connecting a vehicle body;
left-side vehicle body center mounting surface 10: the connecting device is used for connecting a vehicle body;
power assembly rear suspension mounting through hole 23: for press fitting the suspension bush;
the front point of the right front lower control arm is provided with a lug 24: the through hole is used for being connected with the right front lower control arm by adopting a bolt;
ear piece 25 is installed at the front point of the left front lower control arm: a through hole is formed and is used for being connected with the left front lower control arm by adopting a bolt;
right side vehicle body front mounting boss 19: the connecting device is used for connecting a vehicle body;
left side front body mount 106: the connecting device is used for connecting a vehicle body;
right side extension beam support mounting panel 21: the right side extension beam bracket is used for connecting the right side extension beam bracket;
left side extension beam bracket mounting plate 22: used for connecting the left extending beam bracket.
The left side goat's horn 2 and the right side goat's horn 3 are the goat's horn of aluminium alloy material: compared with the casting process, the aluminum profile process can achieve higher material elongation, can absorb more energy in the collision process and improve the safety;
by adopting four parts of tailor welding and screw joint forming, the casting difficulty caused by overlarge parts is avoided, and the process difficulty is reduced. The casting body 1 made of the cast aluminum body adopts a low-pressure solid casting structure, so that the parts are light in weight, and the requirements of more auxiliary frame connection points and complex shapes are met. The overall machining process of the auxiliary frame casting body 1 has the advantages of high connection precision and the like. Even if the auxiliary frame is broken in the collision process, the invasion amount of the cabin can be reduced, and therefore the safety of personnel in the vehicle is improved.

Claims (1)

1. The utility model provides a passenger car is with sub vehicle frame before spiro union, its characterized in that is including casting body (1), left side goat's horn (2), right side goat's horn (3) and end frame (4), its casting body (1) is including first crossbeam (11), second crossbeam (12), third crossbeam (13), right longeron (14) and left longeron (15), wherein first crossbeam (11), second crossbeam (12) and third crossbeam (13) are fixed in proper order from the back to the front between right longeron (14) and left longeron (15), be equipped with a plurality of strengthening ribs between first crossbeam (11) and second crossbeam (12), also be equipped with a plurality of stabilizer bars between second crossbeam (12) and third crossbeam (13), first crossbeam (11) and second crossbeam (12) are equipped with right apron connection screw thread through-hole (5) respectively with the handing-over department of right longeron (14), the handing-over department of first crossbeam (11) and second crossbeam (12) and left longeron (15) is equipped with left apron connection screw thread through-hole (5) respectively A hole (6), a steering gear mounting threaded through hole (9) is arranged at the joint of the third cross beam (13) and the right longitudinal beam (14), a steering gear mounting threaded through hole (9) is arranged at the joint of the third cross beam (13) and the left longitudinal beam (15), and a steering gear mounting threaded through hole (9) is arranged on a reinforcing rib between the middle part of the second cross beam (12) and the middle part of the third cross beam (13);
a right connecting beam (16) and a left connecting beam (17) extend from the two ends of the third cross beam (13) to the rear ends respectively, a right vehicle body front mounting boss (19) and a left vehicle body front mounting boss (20) are arranged above the front ends of the right connecting beam (16) and the left connecting beam (17) respectively, and a right extending beam support mounting plate (21) and a left extending beam support mounting plate (22) are arranged at the front end parts of the right connecting beam (16) and the left connecting beam (17) respectively;
the left goat's horn (2) and the right goat's horn (3) are respectively welded above two ends of a third cross beam (13) of the casting body (1), two ends of an end frame (4) are respectively connected below a right connecting beam (16) and a left connecting beam (17) in a threaded manner, the top surface of the left goat's horn (2) is a left vehicle body middle mounting surface (10), and the top surface of the right goat's horn (3) is a right vehicle body middle mounting surface (18);
a power assembly rear suspension mounting through hole (23) is formed in the left end of a third cross beam (13) of the casting body (1), and a right front lower control arm front point mounting lug piece (24) and a left front lower control arm front point mounting lug piece (25) are respectively arranged at the connection positions of the two ends of the third cross beam (13) and a right connecting beam (16) and a left connecting beam (17);
the rear upper sides of the rear ends of the right longitudinal beam (14) and the left longitudinal beam (15) are respectively provided with a right positioning pin (26) and a left positioning pin (27), the left longitudinal beam (15) at the left end of the left positioning pin (27) is provided with a left automobile body rear mounting surface (28), the right longitudinal beam (14) at the right end of the right positioning pin (26) is provided with a right automobile body rear mounting surface (29), the right longitudinal beam (14) in front of the right positioning pin (26) is provided with a right front lower control arm rear mounting boss (7) with a threaded through hole inside, and the left longitudinal beam (15) in front of the left positioning pin (27) is provided with a left front lower control arm rear mounting boss (8).
CN201922479316.4U 2019-12-31 2019-12-31 Screwed front auxiliary frame for passenger car Active CN212149011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922479316.4U CN212149011U (en) 2019-12-31 2019-12-31 Screwed front auxiliary frame for passenger car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922479316.4U CN212149011U (en) 2019-12-31 2019-12-31 Screwed front auxiliary frame for passenger car

Publications (1)

Publication Number Publication Date
CN212149011U true CN212149011U (en) 2020-12-15

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ID=73708288

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922479316.4U Active CN212149011U (en) 2019-12-31 2019-12-31 Screwed front auxiliary frame for passenger car

Country Status (1)

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CN (1) CN212149011U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113276947A (en) * 2021-06-29 2021-08-20 四川建安工业有限责任公司 Integral low-pressure casting hollow front auxiliary frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113276947A (en) * 2021-06-29 2021-08-20 四川建安工业有限责任公司 Integral low-pressure casting hollow front auxiliary frame

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