CN215921870U

CN215921870U - Heavy truck and front suspension bracket thereof

Info

Publication number: CN215921870U
Application number: CN202122560116.9U
Authority: CN
Inventors: 李鹏超; 敬格; 李为成; 沙开勤; 孙林燕; 陆凯凡; 王冠; 汪倩; 李俊
Original assignee: C&c Trucks Co ltd; China International Marine Containers Group Co Ltd
Current assignee: C&c Trucks Co ltd; China International Marine Containers Group Co Ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-01
Anticipated expiration: 2031-10-22

Abstract

The utility model provides a heavy truck and a front suspension bracket thereof. Wherein the heavy truck includes an engine, a suspension bolster, and the front suspension bracket. One end of a supporting arm of the front suspension bracket is connected to a first connecting surface of the engine connecting part, and an included angle is formed between the supporting arm and the first connecting surface of the engine connecting part; the elliptic side wall of the suspension cushion connecting part faces the first connecting surface of the engine connecting part and is parallel to the long edge of the first connecting surface; the other end of the supporting arm is connected with the oval side wall of the connecting part of the suspension cushion. Through being connected the contained angle that forms support arm one end and engine connecting portion, the other end of support arm can be connected with suspension cushion connecting portion for there is the engine and the suspension cushion effective connection of arranging the oblique angle, and can guarantee that this front suspension support has the support intensity that bears alternating stress. The front suspension bracket has the advantages of few parts, simple installation and operation, relatively light weight and low cost, and is favorable for light weight of an automobile.

Description

Heavy truck and front suspension bracket thereof

Technical Field

The utility model relates to the field of automobile assembly, in particular to a heavy truck and a front suspension bracket thereof.

Background

Suspension systems have become a significant item in vehicle development. The suspension mainly has the functions of supporting the power assembly and serving as a connector of the power assembly and a vehicle body; the motion of the power assembly in the space is limited, and the power assembly is ensured not to have the movement amount exceeding the requirement when large impact occurs; the interference of the vibration generated by the power assembly on the driving in the automobile is attenuated; and secondary vibration of the power assembly caused by vibration generated on the ground is attenuated.

"nation six" is a common name for the pollutant emission standard of motor vehicles in the sixth stage of the nation. In order to meet the severe national six standards, the engine of a new vehicle on the market, whether a heavy-duty vehicle or a family car, needs to adopt new technology and new components. Therefore, after the upgraded engine is arranged in the whole vehicle, the front suspension cushion and the engine have an arrangement inclination angle, the original front suspension bracket is unavailable, and if the original suspension cushion needs to be continuously used, a brand new front suspension bracket needs to be developed to connect the engine and the front suspension cushion.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heavy truck and a front suspension bracket thereof, and aims to solve the problem that the original front suspension bracket cannot connect an engine and a suspension cushion after the engine of the national emission standard is upgraded.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a front suspension bracket, which comprises an engine connecting part, a bracket and a bracket, wherein the engine connecting part is of a plate-shaped structure and is provided with a square side wall, a first connecting surface and a second connecting surface which are opposite; the suspension cushion connecting part is of a plate-shaped structure and is provided with an oval side wall and a top surface abutted against one end of the oval side wall, the suspension cushion connecting part is positioned on one side, away from the second connecting surface, of the first connecting surface, the oval side wall faces the first connecting surface, and the top surface is parallel to the long edge of the square side wall; the support arm, it is located the engine connecting portion with between the suspension cushion connecting portion, support arm one end connect in first connecting surface, and with first connecting surface forms the contained angle, the other end of support arm is connected the long arc limit of oval lateral wall.

In some embodiments of the present application, a first mounting hole is formed at each of four corners of the engine connecting portion, and a connection point of the supporting arm and the first connecting surface is located between two first mounting holes on a long side of the first connecting surface.

In some embodiments of the present application, four corners of the first connecting surface are each convexly provided with a mounting boss, and each mounting boss is provided with a first mounting hole in a penetrating manner; the joint of the supporting arm and the first connecting surface is positioned between the two mounting bosses on the long edge of the first connecting surface.

In some embodiments of the present application, two symmetrical second mounting holes are formed through the middle of the top surface of the suspension cushion connecting portion.

In some embodiments of the present application, a 8-shaped installation boss is disposed in the middle of the top surface, the 8-shaped installation boss is placed transversely and parallel to the long arc-shaped edge of the oval side wall, and second installation holes are disposed in two centers of the 8-shaped installation boss respectively.

In some embodiments of the present application, the two sides of the supporting arm are both provided with a first reinforcing rib, one end of the first reinforcing rib is connected to the first connecting surface, and the other end of the first reinforcing rib is connected to the supporting arm and close to the connecting position of the supporting arm and the oval side wall.

In some embodiments of the present application, two second reinforcing ribs are disposed at the bottom of the connecting portion, and the two second reinforcing ribs are symmetrically disposed; the second reinforcing rib is of a plate-shaped triangular structure, one side of the second reinforcing rib is abutted against the bottom of the supporting arm, and the other side of the second reinforcing rib is abutted against the first connecting surface.

In some embodiments of the present application, the first mounting hole and the second mounting hole are bolt holes.

In some embodiments of the present application, the front suspension bracket is a unitary structure.

Another object of the present invention is to provide a heavy truck comprising an engine, a suspension mat, and the front suspension bracket of any one of the foregoing, wherein the engine connecting portion is fixedly connected with the engine, and the suspension mat connecting portion is fixedly connected with the suspension mat.

According to the technical scheme, the embodiment of the utility model at least has the following advantages and positive effects:

Drawings

Fig. 1 is a schematic view of the overall structure of a front suspension bracket of the present invention.

Fig. 2 is a cross-sectional view of the front suspension bracket of the present invention.

Fig. 3 is a top view of the front suspension bracket of the present invention.

Fig. 4 is a schematic view of a connection structure of the support arms of the front suspension bracket of the present invention.

The reference numerals are explained below:

10. an engine connection portion; 11. a first connection face; 12. a square side wall; 13. a first mounting hole; 14. Mounting a boss; 20. a suspension cushion connecting portion; 21. a top surface; 22. an elliptical sidewall; 23. a second mounting hole; 24. mounting a convex base; 30. a support arm; 40. a first reinforcing rib; 50. and a second reinforcing rib.

Detailed Description

Exemplary embodiments that embody features and advantages of the utility model are described in detail below in the specification. It is to be understood that the utility model is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the utility model and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The application provides a heavy truck and front suspension bracket thereof. Referring to fig. 1, the front suspension bracket of the present application for connecting an engine and a suspension mat of a heavy truck includes an engine connecting portion 10, a suspension mat connecting portion 20, and a support arm 30. Wherein, the two ends of the supporting arm 30 are respectively connected with the engine connecting part 10 and the suspension cushion connecting part 20.

The engine attachment portion 10 is a plate-like structure having a square side wall 12 and opposing first and second attachment faces 11, 11 (not shown). The engine attachment portion 10 is a portion of the front suspension bracket that is attached to the engine, and specifically in this embodiment, the second attachment surface of the engine attachment portion 10 is attached to the attachment surface of the engine.

Referring to fig. 2, in the embodiment, mounting bosses 14 are protruded at four corners of the first connecting surface 11. The mounting bosses 14 are cylindrical, the four cylindrical mounting bosses 14 are distributed in a rectangular shape, first mounting holes 13 are formed in each mounting boss 14 in a penetrating mode, and the four first mounting holes 13 correspond to four connecting holes of the engine respectively. The first mounting hole 13 provides a mounting location for attaching the engine attachment portion 10 to the engine.

In other embodiments, the first mounting holes 13 may directly penetrate through four corners of the engine connecting portion 10, a connecting line of center points of the four first mounting holes 13 is rectangular, and the four mounting holes 13 respectively correspond to four connecting holes of the engine.

The first mounting hole 13 has an internal thread therein, and the engine attachment portion 10 of the front suspension bracket is firmly mounted to the engine by a bolt fitted to the internal thread of the first mounting hole 13.

Referring to fig. 3, the suspension pad connecting portion 20 is a plate-shaped structure and is located on a side of the first connecting surface 11 away from the second connecting surface. The suspension pad connection portion 20 has an elliptical side wall 22 and a top surface 21 abutting both ends of the elliptical side wall 22, and the suspension pad connection portion 20 further has a bottom surface opposed to the top surface 21. The suspension cushion is located below the bottom surface, and the bottom surface of the suspension cushion connecting portion 20 is connected with the suspension cushion. The oval side wall 22 faces the first connection face 11, and the top face 21 is parallel to the long side of the square side wall 12 of the engine attachment portion 10.

The top surface 21 of the suspension cushion connecting part 20 is provided with an 8-shaped mounting convex seat 24, the 8-shaped mounting convex seat 24 is transversely placed and is parallel to the long arc-shaped edge of the oval side wall 22, and two centers of the two circles of the 8-shaped mounting convex seat 24 are respectively provided with a second mounting hole 23.

In other embodiments, two symmetrical second mounting holes 23 may be formed through the middle of the top surface 21 of the suspension pad connecting portion 20. The central connecting line of the two second mounting holes 23 is parallel to the long arc-shaped edge of the oval side wall 22.

The second mounting hole 23 has an internal thread therein, and the suspension pad connecting portion 20 of the front suspension bracket is firmly mounted on the suspension pad by a bolt adapted to the internal thread of the second mounting hole 23.

Referring to fig. 4, a support arm 30 is disposed between the engine connecting portion 10 and the suspension pad connecting portion 20 for connecting the engine connecting portion 10 and the suspension pad connecting portion 20. One end of the support arm 30 connected to the first connection surface 11 of the engine connection portion 10 extends toward the suspension pad connection portion 20 above the suspension pad, and the other end of the support arm 30 is connected to the long arc-shaped edge of the oval-shaped side wall 22 of the suspension pad connection portion 20. Due to the oblique arrangement angle of the engine and the suspended cushion, the supporting arm 30 forms an angle with the first connecting surface 11 when the supporting arm 30 extends from the engine connecting portion 10 towards the suspended cushion connecting portion 20.

The support arm 30 is arranged to be connected with the first connection face at an included angle, so that the front suspension bracket can solve the problem of the oblique angle of the engine and the suspension cushion arrangement, and the side face of the front suspension bracket still leaves enough space for the bolt installation of the first installation hole 13.

In the present embodiment, the supporting arm 30 has a square column structure. The angle formed by the supporting arm 30 and the first connecting surface 11 is a rounded transition, and the angle is 77 °.

It is understood that the support arm 30 may also be a cylindrical structure, or a prismatic structure, as long as the structure can satisfy sufficient connection strength.

Two first reinforcing ribs 40 are arranged on two sides of the supporting arm 30, one end of each first reinforcing rib 40 is connected with the first connecting surface 11 of the engine connecting part 10, and the other end of each first reinforcing rib 40 is connected to the supporting arm 30 and close to the connecting part of the supporting arm 30 and the oval side wall 22.

The bottom of the supporting arm 30 is provided with two second reinforcing ribs 50, and the two second reinforcing ribs 50 are symmetrically arranged; the second reinforcing rib 50 has a plate-shaped triangular structure, one side of the second reinforcing rib 50 abuts against the bottom of the support arm 30, and the other side of the second reinforcing rib 50 abuts against the first connecting surface 11.

Through setting up the strengthening rib, can strengthen the joint strength of support arm 30, guaranteed the steadiness that engine and suspension cushion are connected, and strengthening rib simple structure, weight is less relatively, is favorable to suspension system part lightweight.

The front suspension bracket is of an integrally formed structure, and the manufacturing cost and the general assembly process flow are saved due to the fact that the front suspension bracket is simple in structure, small in size and light in weight. Particularly, in this implementation, this front suspension support is the forging, and forging intensity is big, has guaranteed reliable joint strength when can realizing that the engine mounting lightweight sets up.

During installation, the engine connecting part 10 can be screwed into the four first mounting holes 13 respectively corresponding to the connecting surface of the engine and then is screwed in a virtual manner; and screwing the bolts into the second mounting holes 23 respectively and then screwing the suspension cushion connecting parts 20 corresponding to the connecting surfaces of the suspension cushions. Adjusting the connecting position of each part, and finally screwing each bolt. Since the front suspension frame has a sufficient space left on the side, the bolt fastening of the first mounting hole 11 on the first coupling surface 11 has a sufficient working space even if the support arm 30 is located in front of the first coupling surface 11.

In the present invention, one end of the support arm 30 of the front suspension bracket is connected to the first connection surface 11 of the engine connection portion 10, and the support arm 30 forms an included angle with the first connection surface 11 of the engine connection portion 10; the elliptical side wall 22 of the suspension pad attachment portion 20 faces the first attachment face 11 of the engine attachment portion 10 and is parallel to the long side of the first attachment face 11; the other end of the support arm 30 is attached to the oval side wall 22 of the suspended cushion attachment portion 20. The other end of the support arm 30 can be connected to the suspension pad connection part 20 by connecting one end of the support arm 30 to the included angle formed by the engine connection part 10, so that the engine and the suspension pad having the oblique angle are effectively connected, and the front suspension bracket can be guaranteed to have the support strength for bearing the alternating stress. The front suspension bracket has the advantages of few parts, simple installation and operation, relatively light weight and low cost, and is favorable for light weight of an automobile.

The application also provides a heavy truck, including engine, suspension cushion and the aforementioned preceding front suspension support, wherein, engine connecting portion 10 and engine fixed connection, suspension cushion connecting portion 20 and suspension cushion fixed connection. Because the supporting arm 30 in the front suspension bracket and the engine connecting part 10 are provided with a reasonable connecting included angle, the problem of oblique angles existing in arrangement of an engine and a suspension cushion can be effectively solved.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A front suspension bracket, comprising:

an engine attachment portion having a plate-like structure with a square side wall and first and second opposing attachment faces;

the suspension cushion connecting part is of a plate-shaped structure and is provided with an oval side wall and a top surface abutted against one end of the oval side wall, the suspension cushion connecting part is positioned on one side, away from the second connecting surface, of the first connecting surface, the oval side wall faces the first connecting surface, and the top surface is parallel to the long edge of the square side wall;

the support arm, it is located the engine connecting portion with between the suspension cushion connecting portion, support arm one end connect in first connecting surface, and with first connecting surface forms the contained angle, the other end of support arm is connected the long arc limit of oval lateral wall.

2. The front suspension bracket as claimed in claim 1, wherein a first mounting hole is formed at each of four corners of the engine connecting portion, and a connection point of the supporting arm and the first connecting surface is located between two first mounting holes on a long side of the first connecting surface.

3. The front suspension bracket according to claim 1, wherein mounting bosses are convexly provided at four corners of the first connecting surface, and a first mounting hole is formed through each mounting boss; the joint of the supporting arm and the first connecting surface is positioned between the two mounting bosses on the long edge of the first connecting surface.

4. The front suspension bracket as claimed in claim 2 or 3, wherein two symmetrical second mounting holes are formed through the middle of the top surface of the suspension cushion connecting portion.

5. The front suspension bracket as claimed in claim 2 or 3, wherein the top surface has a central 8-shaped mounting boss, the 8-shaped mounting boss is disposed transversely and parallel to the long arc-shaped edge of the oval side wall, and two mounting holes are disposed in the two centers of the 8-shaped mounting boss.

6. The front suspension bracket as claimed in claim 5, wherein the support arm is provided with a first reinforcing rib on both sides, one end of the first reinforcing rib is connected to the first connecting surface, and the other end of the first reinforcing rib is connected to the support arm and close to the connecting position of the support arm and the oval side wall.

7. The front suspension bracket as claimed in claim 6, wherein the bottom of the connecting portion is provided with two second reinforcing ribs, and the two second reinforcing ribs are symmetrically arranged; the second reinforcing rib is of a plate-shaped triangular structure, one side of the second reinforcing rib is abutted against the bottom of the supporting arm, and the other side of the second reinforcing rib is abutted against the first connecting surface.

8. The front suspension bracket of claim 7, wherein the first and second mounting holes are bolt holes.

9. The front suspension bracket of claim 8, wherein the front suspension bracket is a one-piece structure.

10. A heavy truck comprising an engine, a suspension bolster, and the front suspension bracket of any one of claims 1-9, wherein the engine connection portion is fixedly connected to the engine and the suspension bolster connection portion is fixedly connected to the suspension bolster.