CN214112180U

CN214112180U - Front axle seam piece and car

Info

Publication number: CN214112180U
Application number: CN202022767219.8U
Authority: CN
Inventors: 刘仕冬; 韦友超; 纪浩
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-09-03
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a front axle seam piece and an automobile, wherein the front axle seam piece comprises a cross beam and a first bracket arranged at the left and right ends of the cross beam and used for installing an engine and a swing arm, the first bracket comprises a first vertical plate, a second vertical plate, a top plate and at least one reinforced vertical plate, the lower ends of the first vertical plate and the second vertical plate are respectively arranged at the front end and the rear end of the cross beam, the front end and the rear end of the top plate are respectively connected with the upper ends of the first vertical plate and the second vertical plate, the top plate is provided with a first mounting hole used for fixing the engine and a second mounting hole used for connecting with an automobile body, the left and right ends of the cross beam, the first vertical plate, the second vertical plate and the top plate jointly enclose a cavity structure, the reinforcing vertical plate is arranged in the cavity structure, the front end and the rear end of the reinforcing vertical plate are respectively connected with the inner side faces of the first vertical plate and the second vertical plate, and the upper end of the reinforcing vertical plate is connected with the inner side face of the top plate. The utility model discloses a front axle seam piece, its advantage has strengthened the effect of the bearing structure dynamic stiffness of front axle seam piece.

Description

Front axle seam piece and car

Technical Field

The utility model relates to an automobile parts technical field especially relates to a front axle seam piece.

The utility model relates to a contain car of above-mentioned front axle seam piece.

Background

The front axle welding piece is a structural piece of the bottom of a vehicle body for a front rear-drive vehicle type, a front lower swing arm front point, an engine suspension and a mounting point of a steering gear assembly are provided on the front axle welding piece, the front axle welding piece is compact in structure and lighter than a front auxiliary frame, and the front axle welding piece is divided into a matching rubber suspension front axle welding piece and a matching hydraulic suspension front axle welding piece according to different carrying engine suspensions. The front axle welding piece needs to support a longitudinally arranged engine, two sides of the front axle welding piece need to be made into a bracket which is upwards protruded and has a cavity structure, so that the engine suspension is arranged on the bracket, and the cavity structure is formed by welding metal plates. The support of the existing front axle welding element has low structural strength, so that the dynamic stiffness of an engine suspension mounting point and a swing arm mounting point is low, and under the Vibration condition generated by the rotation of an engine, the support has the problems of road Noise generation and high acceleration Noise, so that the NVH (Noise, Vibration and Harshness) performance of the whole automobile is influenced, wherein the NVH is an English abbreviation of Noise, Vibration and sound Vibration roughness (Noise, Vibration and Harshness).

Disclosure of Invention

The utility model aims at providing a front axle seam piece, its advantage has strengthened the effect of the bearing structure dynamic stiffness of front axle seam piece.

The utility model discloses a front axle welding piece, including the crossbeam and set up in the first support that is used for installing engine and swing arm of both ends about the crossbeam, first support includes first riser, second riser, roof and at least one enhancement riser, the lower extreme of first riser and second riser sets up respectively on both ends around the crossbeam, both ends around the roof respectively with the upper end of first riser and second riser is connected, be equipped with the first mounting hole that is used for fixed engine and be used for the second mounting hole that is connected with the automobile body on the roof, the left and right ends of crossbeam, first riser, second riser and roof enclose into cavity structure jointly, the enhancement riser sets up in the cavity structure, the both ends around the enhancement riser respectively with the medial surface of first riser with the second riser is connected, the upper end of the reinforced vertical plate is connected with the inner side surface of the top plate.

The utility model discloses a front axle seam piece can also be:

the reinforcing vertical plate is provided with two positioning holes for enabling positioning pins of the robot gripper to extend into, and the two positioning holes are arranged in the front and back.

The front axle welding piece is a matched rubber suspension type front axle welding piece, and a rubber suspension piece for absorbing the vibration of the engine is arranged at the first mounting hole.

The front axle welding piece is a matched hydraulic suspension type front axle welding piece, and the hydraulic suspension piece for absorbing the vibration of the engine is arranged at the first mounting hole.

And the left side and the right side of the front end of the cross beam are both provided with second supports for mounting a steering gear.

And a gap for the electrophoresis liquid to pass through is arranged between the lower end of the reinforced vertical plate and the cross beam.

The left end and the right end of the top plate are both bent downwards to form a third vertical plate and a fourth vertical plate, the third vertical plate and the fourth vertical plate respectively seal openings at the left end and the right end of the cavity structure, and the lower ends of the third vertical plate and the fourth vertical plate are both connected with the cross beam.

The first vertical plate and the second vertical plate are both provided with shaft holes for mounting swing arm shafts, and the shaft holes are located outside the cavity structure.

The utility model discloses a front axle seam piece, the advantage that has for prior art is: because the front axle welding piece of the utility model comprises a cross beam and first supports arranged at the left and right ends of the cross beam, the first supports comprise a first vertical plate, a second vertical plate, a top plate and at least one reinforced vertical plate, the lower ends of the first vertical plate and the second vertical plate are respectively arranged at the front end and the rear end of the cross beam, the front end and the rear end of the top plate are respectively connected with the upper ends of the first vertical plate and the second vertical plate, the end part of the cross beam, the first vertical plate, the second vertical plate and the top plate jointly enclose a cavity structure, the reinforced vertical plate is arranged in the cavity structure, the front end and the rear end of the reinforced vertical plate are respectively connected with the inner side surfaces of the first vertical plate and the second vertical plate, the upper end of the reinforced vertical plate is connected with the inner side surface of the top plate, the effect of high dynamic rigidity of the first supports for installing an engine and a swing arm is realized, therefore, the effects of reducing road noise and accelerating noise are achieved.

The utility model aims at providing an automobile still, its advantage has strengthened whole car NVH performance.

The utility model discloses an automobile, including automobile body portion and the aforesaid front axle seam piece, the front axle seam piece sets up the bottom of automobile body portion, engine and swing arm in the automobile body portion are all by the suspension on the first support of front axle seam piece.

The utility model discloses an automobile, the advantage that has for prior art is: because the utility model discloses a body portion of car includes the aforesaid the front axle seam piece, engine and swing arm in the body portion are all suspended on the first support of front axle seam piece, owing to above the first support of front axle seam piece have dynamic stiffness height, way noise and the characteristics of noise reduction with higher speed, so realized the effect of whole car NVH performance of reinforcing.

Drawings

Fig. 1 is a front perspective view of a front axle welded part according to the present invention.

Fig. 2 is a schematic view of a rear perspective structure of a front axle welding member of the present invention.

Fig. 3 is a schematic view of a state of the front axle seam piece of the present invention in which the top plate is not installed on the first bracket.

Fig. 4 is a schematic bottom view of the first bracket of the front axle welding part of the present invention.

Fig. 5 is a front perspective view of another front axle welded component according to the present invention.

Fig. 6 is a schematic top perspective view of another front axle welded component according to the present invention.

Description of the figures

1. A cross beam; 2. a first bracket; 21. a first vertical plate; 22. a second vertical plate; 23. a top plate; 231. a first mounting hole; 232. a second mounting hole; 233. a third vertical plate; 234. a fourth vertical plate; 235. a first mounting pad; 236. a second mounting pad; 24. reinforcing the vertical plate; 241. positioning holes; 25. a shaft hole; 3. a second support.

Detailed Description

A front axle welded component according to the present invention will be described in further detail with reference to fig. 1 to 6 of the drawings. Fig. 1 to 4 are schematic structural diagrams of a front axle seam piece matched with a rubber suspension pattern, and fig. 5 and 6 are schematic structural diagrams of a front axle seam piece matched with a hydraulic suspension pattern.

The utility model discloses a front axle seam piece please refer to each relevant picture of fig. 1 to 6, including crossbeam 1 and the first support 2 that is used for installing engine and swing arm that sets up both ends about crossbeam 1. The beam 1 is a box-shaped structure formed by welding. The first support 2 comprises a first vertical plate 21, a second vertical plate 22, a top plate 23 and a reinforcing vertical plate 24, and the lower ends of the first vertical plate 21 and the second vertical plate 22 are respectively welded on the front end and the rear end of the cross beam 1. The front end and the rear end of the top plate 23 are respectively welded with the upper ends of the first vertical plate 21 and the second vertical plate 22, for example, the upper ends of the first vertical plate 21 and the second vertical plate 22 are both provided with flanging edges, and the front end and the rear end of the top plate 23 are welded on the flanging edges. The top plate 23 is provided with a first mounting hole 231 for fixing the engine and a second mounting hole 232 for connecting with the vehicle body. The first vertical plate 21, the second vertical plate 22 and the top plate 23 are all provided with stamping grooves for enhancing compression deformation resistance. The left end portion and the right end portion of the cross beam 1, the first vertical plate 21, the second vertical plate 22 and the top plate 23 jointly enclose a cavity structure, the reinforcing vertical plate 24 is arranged in the cavity structure, the front end and the rear end of the reinforcing vertical plate 24 are respectively connected with the inner side faces of the first vertical plate 21 and the second vertical plate 22, for example, flanges are arranged at the front end and the rear end of the reinforcing vertical plate 24, and the reinforcing vertical plate 24 is welded with the inner side faces of the first vertical plate 21 and the second vertical plate 22 through the flanges. The upper end of the reinforced vertical plate 24 is welded and connected with the inner side surface of the top plate 23. The arrangement of the reinforcing vertical plate 24 can improve the dynamic rigidity of the first bracket 2. When the number of the reinforcing vertical plates 24 is two, the dynamic stiffness performance of the first bracket 2 is optimal, thereby minimizing road noise and acceleration noise. Of course, the number of the reinforcing vertical plates 24 is not limited to two, and in the case that the size, the load bearing weight and the amplitude of the engine vibration of the first bracket 2 are different, the number of the reinforcing vertical plates 24 can be set by those skilled in the art according to actual needs.

The utility model discloses a front axle seam piece is because be equipped with in the cavity structures of first support 2 and strengthen riser 24, strengthen riser 24 around both ends respectively with the medial surface welded connection of first riser 21 and second riser 22, strengthen the medial surface welded connection of the upper end of riser 24 and roof 23 to the effect of the dynamic stiffness that improves first support 2 has been realized. Thereby realizing the effects of reducing road noise and accelerating noise.

The utility model discloses a front axle seam piece, please refer to each relevant picture of fig. 1 to fig. 6, can also be on the basis of preceding technical scheme: the reinforcing vertical plate 24 is provided with two positioning holes 241 for inserting positioning pins of the robot gripper, and the two positioning holes 241 are arranged in front and back. Because the two positioning holes 241 are formed in the reinforcing vertical plate 24, the effect that the robot can automatically grab the welding position to perform accurate welding is achieved, and the effect of improving splicing efficiency is achieved.

The utility model discloses a front axle seam piece, please refer to each relevant picture of fig. 1 to fig. 6, can also be on the basis of preceding technical scheme: the front axle seam piece is a matching rubber suspension type front axle seam piece, a rubber suspension piece (not shown in the figure) for absorbing the vibration of the engine is arranged at the first mounting hole 231, the rubber suspension piece is positioned between the top plate 23 and the engine, and a first mounting base plate 235 is arranged between the rubber suspension piece and the top plate 23. The utility model discloses a front axle seam piece owing to be equipped with rubber suspension spare on roof 23, has realized reducing the vibration influence of engine to front axle seam piece to further realize noise reduction's effect.

Of course, the manner of reducing the vibration effect of the engine on the front axle seam is not limited to the rubber suspension, for example, as shown in fig. 5 and 6, the front axle seam may also be a matching hydraulic suspension type front axle seam, a hydraulic suspension (not shown) for absorbing the vibration of the engine is provided at the first mounting hole 231, and a second mounting pad 236 is provided between the hydraulic suspension and the top plate 23. The skilled person can select the way of reducing the effect of the engine on the vibration of the front axle weldments according to the actual need.

The utility model discloses a front axle seam piece, please refer to each relevant picture of fig. 1 to fig. 6, can also be on the basis of preceding technical scheme: the left and right sides of the front end of the crossbeam 1 are provided with second supports 3 for mounting a left steering gear and a right steering gear. The upper part of the second bracket 3 is welded with the first vertical plate 21 at the front part of the first bracket 2, and the lower end of the second bracket 3 is welded with the cross beam 1. The utility model discloses a front axle seam piece because the left and right sides at the front end of crossbeam 1 all is equipped with the second support 3 that is used for installing the steering gear to the effect of this front axle seam piece multi-functional application has been realized.

The utility model discloses a front axle seam piece, please refer to each relevant picture of fig. 1 to fig. 6, can also be on the basis of preceding technical scheme: a gap for the electrophoresis liquid to pass through is arranged between the lower end of the reinforced vertical plate 24 and the cross beam 1 so as to improve the corrosion resistance and the rust resistance in the cavity structure.

The utility model discloses a front axle seam piece, please refer to each relevant picture of fig. 1 to fig. 6, can also be on the basis of preceding technical scheme: the left end and the right end of the top plate 23 are both bent downwards to form a third vertical plate 233 and a fourth vertical plate 234, the third vertical plate 233 and the fourth vertical plate 234 respectively close the openings at the left end and the right end of the cavity structure, and the lower ends of the third vertical plate 233 and the fourth vertical plate 234 are both connected with the cross beam 1. The utility model discloses a front axle seam piece has realized further improving the effect of the dynamic stiffness of first support 2 owing to roof 23 has third riser 233 and fourth riser 234 be connected with crossbeam 1 to the noise has further been reduced.

The utility model discloses a front axle seam piece, please refer to each relevant picture of fig. 1 to fig. 6, can also be on the basis of preceding technical scheme: both the first vertical plate 21 and the second vertical plate 22 are provided with shaft holes 25 for mounting swing arm shafts, and the positions of the shaft holes 25 are located outside the cavity structure. The utility model discloses a front axle seam piece owing to all be equipped with the shaft hole 25 that is used for installing the swing arm axle on first riser 21 and second riser 22, the one end that has realized the swing arm can swing arm axle for central luffing motion's effect to the effect of this front axle seam piece multi-functional application has been realized.

The utility model also provides an automobile, including automobile body portion and the aforesaid front axle seam piece, the front axle seam piece is installed in automobile body portion through second mounting hole 232, engine and swing arm in the automobile body portion are all by the suspension on the first support 2 of front axle seam piece. The utility model discloses an automobile, because automobile body portion includes the aforesaid the front axle seam piece, engine and swing arm in the automobile body portion are all suspended on the first support 2 of front axle seam piece, owing to the aforesaid the first support 2 of front axle seam piece have the characteristics that dynamic stiffness is high, the way makes an uproar and noise reduction with higher speed, so realized the effect of whole car NVH performance of reinforcing.

The above description is only for the description of several embodiments of the present invention, but the scope of the present invention should not be considered as falling within the scope of the present invention, in which all the equivalent changes or modifications or the equal-scale enlargement or reduction etc. according to the design spirit of the present invention are made.

Claims

1. A front axle welding part is characterized by comprising a cross beam (1) and first supports (2) arranged at the left end and the right end of the cross beam (1) and used for mounting an engine and a swing arm, wherein each first support (2) comprises a first vertical plate (21), a second vertical plate (22), a top plate (23) and at least one reinforcing vertical plate (24), the lower ends of the first vertical plate (21) and the second vertical plate (22) are respectively arranged at the front end and the rear end of the cross beam (1), the front end and the rear end of the top plate (23) are respectively connected with the upper ends of the first vertical plate (21) and the second vertical plate (22), a first mounting hole (231) used for fixing the engine and a second mounting hole (232) used for connecting with a vehicle body are arranged on the top plate (23), the left end and the right end of the cross beam (1), the first vertical plate (21), the second vertical plate (22) and the top plate (23) jointly enclose a cavity structure, the reinforcing vertical plate (24) is arranged in the cavity structure, the front end and the rear end of the reinforcing vertical plate (24) are respectively connected with the inner side surfaces of the first vertical plate (21) and the second vertical plate (22), and the upper end of the reinforcing vertical plate (24) is connected with the inner side surface of the top plate (23).

2. A front axle weldment according to claim 1 wherein said reinforcing uprights (24) are provided with two locating holes (241) for inserting locating pins of a robot hand grip, said two locating holes (241) being respectively located one behind the other on said reinforcing uprights (24).

3. A front axle seam according to claim 1, characterized in that the front axle seam is a matching rubber suspension front axle seam, and that a rubber suspension for absorbing engine vibrations is provided at the first mounting hole (231).

4. A front axle seam according to claim 1, characterized in that the front axle seam is a matching hydraulically suspended front axle seam, and that a hydraulic suspension for absorbing engine vibrations is provided at the first mounting hole (231).

5. A front axle weldment according to claim 1, characterized in that the front end of the cross beam (1) is provided on both its left and right sides with second brackets (3) for mounting a steering gear.

6. A front axle weldment according to claim 1, characterized in that a gap for the passage of electrophoretic fluid is provided between the lower end of the reinforcing riser (24) and the cross beam (1).

7. The front axle welded part according to claim 1, wherein the left and right ends of the top plate (23) are bent downward to form a third vertical plate (233) and a fourth vertical plate (234), the third vertical plate (233) and the fourth vertical plate (234) respectively close the openings at the left and right ends of the cavity structure, and the lower ends of the third vertical plate (233) and the fourth vertical plate (234) are connected with the cross beam (1).

8. The front axle welded component according to claim 1, wherein the first vertical plate (21) and the second vertical plate (22) are both provided with an axle hole (25) for installing a swing arm axle, and the axle hole (25) is arranged outside the cavity structure.

9. An automobile, characterized in that it comprises a car body part and a front axle seam as claimed in any of claims 1-8, which is arranged at the bottom of the car body part, the engine and the swing arm on the car body part being suspended on the first bracket (2) of the front axle seam.