CN213008366U

CN213008366U - Integrated cross beam

Info

Publication number: CN213008366U
Application number: CN202021817289.3U
Authority: CN
Inventors: 刘飞; 黄鹏飞; 汶军科; 张峰峰
Original assignee: Xi'an Deshi Vehicle Components Co ltd; Shaanxi Deshi Vehicle Components Group Co ltd
Current assignee: Xi'an Deshi Vehicle Components Co ltd; Shaanxi Deshi Vehicle Components Group Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-20
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses an integrated form crossbeam relates to truck frame technical field, solves different distance rod and connects different crossbeams, and the connected mode is single, compatible not strong problem. The utility model comprises a beam body and connecting plates at two ends of the beam body; the outer side of the beam body is provided with a V-shaped thrust rod connecting structure and an I-shaped thrust rod connecting structure, the V-shaped thrust rod connecting structure is located at the joint of the beam body and the connecting plate, and the I-shaped thrust rod connecting structure is located in the middle of the outer side of the beam body. The utility model discloses can compatible connection V type distance rod and I type distance rod, also can select one kind of V type distance rod or I type distance rod according to particular case, the practicality is good to position overall arrangement is reasonable, shifts around the rear axle in the automobile and controls the aversion effectively.

Description

Integrated cross beam

Technical Field

The utility model belongs to the technical field of the truck frame, concretely relates to integrated form crossbeam.

Background

With the continuous development of the automobile industry, the automobile yield is continuously increased, and the requirement on the production efficiency of the whole automobile is higher, so that in the design of the whole automobile, the assembly mode comprises the installation of a plurality of module components. The truck beam is usually applied to a heavy truck and connected with left and right longitudinal beams of the truck, the beam body is formed by adopting a hot rolled steel plate through a stamping process, and rivets or screws are connected with a frame and the like.

At present, with the continuous introduction and development of truck technology and the continuous strictness of the requirements of domestic transportation environment on vehicles, the suspension system of an automobile is more and more complex and diversified, for example, the balance suspension commonly used on a common tractor has many forms of a thrust rod. Different thrust rods are connected with different crossbeams, but the connection mode is single, and the compatibility is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an assembly connection and solebar's connection suitable for heavy-duty car I type distance rod or V type distance rod, the strong integrated form crossbeam of compatibility.

The technical scheme of the utility model is that: an integrated cross beam comprises a cross beam body and connecting plates at two ends of the cross beam body;

the V-shaped thrust rod connecting structure and the I-shaped thrust rod connecting structure are arranged on the outer side of the beam body, the V-shaped thrust rod connecting structure is located at the connecting position of the beam body and the connecting plate, and the I-shaped thrust rod connecting structure is located in the middle of the outer side of the beam body.

According to the further optimization of the scheme, four corners are formed at the connecting positions of the connecting plates and the two ends of the beam body, and the V-shaped thrust rod connecting structures are located at the four corners and are symmetrically arranged.

As a further optimization of the scheme, the V-shaped thrust rod connection structure comprises a first connection lug, a second connection lug and a first connection seat.

The first connecting lug is positioned on the connecting plate and close to the corner, and the second connecting lug is close to the corner and arranged on the beam body; and a first connecting seat is arranged between the first connecting lug and the second connecting lug.

And the first connecting lug and the second connecting lug are respectively provided with a first threaded blind hole.

As the further optimization of the scheme, the I-shaped thrust rod connecting structures are symmetrically arranged in the middle of two sides of the crossbeam body. Keep crossbeam body both sides homoenergetic to connect I type distance rod, keep the both sides of crossbeam body balanced, can also guarantee again that the center of crossbeam body is even towards the connecting plate direction atress at both ends.

As a further optimization of the scheme, the I-shaped thrust rod connecting structure comprises a third connecting lug and a fourth connecting lug, and a groove is arranged between the third connecting lug and the fourth connecting lug;

in the longitudinal section direction of the beam body, the center of the groove coincides with the center of the beam body.

The third connecting lug and the fourth connecting lug are positioned at the opening ends at two ends of the groove.

And the third engaging lug and the fourth engaging lug are both provided with second threaded blind holes.

According to the further optimization of the scheme, the bottom of the beam body is further provided with a balance shaft connecting part, the balance shaft connecting part comprises a second connecting seat, a connecting end and a mounting hole, the second connecting seat and the beam body are connected into a whole, the second connecting seat extends towards the outer side of the beam body to form the connecting end, and the mounting hole is formed in the connecting end.

As a further optimization of the scheme, the beam body is formed by an ADI austempering ductile iron process.

Compared with the prior art, the utility model, beneficial effect is:

the utility model discloses a set up V type distance rod connection structure and I type distance rod connection structure, can compatible connection V type distance rod and I type distance rod, the practicality is good, and I type distance rod connection structure is located the middle part of crossbeam body, and V type distance rod connection structure is located the junction of crossbeam body and connecting plate, and position overall arrangement is reasonable on the whole, shifts and controls the aversion around effectively preventing the rear axle in the car.

Drawings

Fig. 1 is a schematic structural diagram of an integrated cross beam according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a balance shaft connecting portion provided in an embodiment of the present invention;

fig. 3 is a front view of an integrated cross beam provided by an embodiment of the present invention.

Reference numerals: 1-a beam body; 11-a groove; 12-a first connection mount; 2-connecting plates; a 3-V type thrust rod connecting structure; 31-a first connection lug; 32-a second engaging lug; a 4-I type thrust rod connecting structure; 41-a third engaging lug; 42-a fourth engaging lug; 5-a balance shaft connection; 51-a second connection seat; 52-a connection end; 53-mounting holes.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

In the description of the present embodiments, it is to be understood that the terms "central," "axial," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention 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 and operated in a particular orientation, and are therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second", etc. 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, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

The terms "mounted" and "connected" are to be construed broadly, e.g., as meaning 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1 and fig. 2, the integrated beam provided by this embodiment includes a beam body 1, and connecting plates 2 vertically connected to two ends of the beam body 1; wherein crossbeam body 1 can select for use structures such as cylindrical, square body, and connecting plate 2 can select for use anomalous polygon structure and frame bolted connection, and connecting plate 2 also can be the flange, and the mode through flange joint is got up crossbeam body 1 and frame installation, and connecting plate 2 can set up a plurality of lightening holes, alleviates roof beam body self weight, save material.

The outer side of the beam body 1 is provided with a V-shaped thrust rod connecting structure 3 and an I-shaped thrust rod connecting structure 4, the V-shaped thrust rod connecting structure 3 is located at the joint of the beam body 1 and the connecting plate 2, and the I-shaped thrust rod connecting structure 4 is located in the middle of the outer side of the beam body 1.

Generally, the I-shaped thrust rod is simple in structure and concentrated in stress, mainly prevents front and rear displacement of a middle and rear axle, has small effect on left and right displacement of an axle, but has low requirements on key connection parts due to simple structure and wide application. Therefore, for a beam body and a frame which are simple in structure and low in requirement on key connection parts, the I-shaped thrust rod connection structure 4 is used for connecting the I-shaped thrust rod; but I type distance rod mainly prevents that well rear axle shifts from beginning to end, but can not prevent that well rear axle from moving about, and V type distance rod except can preventing well rear axle displacement from beginning to end, can also prevent displacement from controlling, V type distance rod can distribute the longerons on automobile body both sides that the impact load is even, alleviate the impact that axle housing and chassis received, consequently for satisfy the distance rod structure of connecting these two kinds of differences simultaneously, the setting of above-mentioned V type distance rod connection structure 3 and I type distance rod connection structure 4 positions is more reasonable, can make a crossbeam body 1 can connect V type distance rod, can connect I type distance rod again, effectively prevent the back and forth shift and the left and right shift of rear axle in the car.

Wherein, the junction at connecting plate 2 and crossbeam body 1 both ends forms four corners, and V type distance rod connection structure 3 is located four corners departments, and the symmetry sets up each other. Both sides of the crossbeam body 1 can be connected with V-shaped thrust rods, so that the stress balance of the crossbeam body 1 is kept.

With continued reference to figure 1, the V-shaped thrust rod coupling structure 3 includes a first coupling lug 31, a second coupling lug 32, and a first coupling block 12.

The first connecting lugs 31 are positioned on the connecting plates 2 and close to the corners, and the second connecting lugs 32 are positioned on the beam body 1 and close to the corners; a first connecting seat 12 is arranged between the first connecting lug 31 and the second connecting lug 32, and the first connecting seat 12 is of a hollow structure; preferably, since the two ends of the cross beam body 1 are connected to the longitudinal beam or the vehicle frame, the perpendicular bisector of the central connecting line of the first connecting lug 31 and the second connecting lug 32 preferably falls on the corner line of the cross beam body 1 connected to the connecting plate 2, so as to ensure that the force acting on the cross beam body 1 and the force acting on the longitudinal beam or the vehicle frame are uniform and substantially equal when the V-shaped thrust rod is connected to the first connecting lug 31 and the second connecting lug 32. The first connecting seat 12 is used for leaving a certain connecting space for the end of the V-shaped thrust rod to occupy when the V-shaped thrust rod is connected with the V-shaped thrust rod connecting structure 3, so that the connection is convenient and the connection is more secure.

In addition, the first connecting lug 31 and the second connecting lug 32 are both provided with first threaded blind holes. The connecting mode of the first threaded blind hole is selected, so that the beam body 1 is not damaged, and the integrity of the beam body 1 is kept. Specifically, a bolt or screw is used to pass through the end of the V-shaped thrust rod and connect to the first threaded blind hole, thereby securing the end of the V-shaped thrust rod to the V-shaped thrust rod connection structure 3 of the integrated beam.

The I-shaped thrust rod connecting structures 4 are symmetrically arranged in the middle of two sides of the beam body 1. I-shaped thrust rods can be connected to both sides of the beam body 1, and are arranged in the middle of both sides of the beam body 1 to maintain the balance of the forces applied to the beam body 1 and the I-shaped thrust rods.

The I-shaped thrust rod connecting structure 4 comprises a third connecting lug 41 and a fourth connecting lug 42, and a groove 11 is formed between the third connecting lug 41 and the fourth connecting lug 42;

in the longitudinal section direction of the beam body 1, the center of the groove 11 is superposed with the center of the beam body 1; the third engaging lug 41 and the fourth engaging lug 42 are positioned at the opening ends of the two ends of the groove 11; and the third engaging lug 41 and the fourth engaging lug 42 are both provided with second threaded blind holes.

Specifically, a bolt or a screw is used to penetrate through the second threaded blind hole of the I-shaped thrust rod connecting structure 4, so that the I-shaped push rod is fixed on the I-shaped thrust rod connecting structure 4 of the integrated crossbeam.

Due to the structural arrangement, a certain space is reserved for the I-shaped thrust rod to be conveniently connected when the I-shaped thrust rod is connected with the I-shaped thrust rod connecting structure 4, and the center of the groove 11 is overlapped with the center of the crossbeam body 1 in the longitudinal section direction of the crossbeam body 1 so as to ensure that the groove 11 is positioned in the middle of the crossbeam body 1, keep the balance of stress and also facilitate the layout of the connecting positions of the V-shaped thrust rod and the I-shaped thrust rod; the second threaded blind hole is provided in order to maintain the integrity of the cross-beam body 1.

The bottom of crossbeam body 1 still is equipped with balanced axle connecting portion 5 for connect balanced axle, balanced axle is exactly the vibration that is used for balancing and reduction engine, thereby realizes reducing engine noise, increase of service life, promotes the purpose of driver and passenger's travelling comfort, lets the engine work more steadily, smoothly.

The balance shaft connecting part 5 comprises a second connecting seat 51, a connecting end 52 and a mounting hole 53, the second connecting seat 51 is connected with the beam body 1 into a whole, the second connecting seat 51 extends towards the outer side of the beam body 1 to form the connecting end 52, and the mounting hole 53 is formed in the connecting end 52. Balance shaft connecting portion 5 sets up at the bottom bilateral symmetry of crossbeam body 1, also sets up in the connecting plate 2 department of being close to both ends symmetry, and balance shaft connecting portion 5's position sets up at the both ends of recess 11, promptly between the central point of crossbeam body 1 to connecting plate 2.

In this embodiment, the cross section of the beam body 1 is circular, that is, the beam body 1 is generally a cylinder as a whole, so the second connecting seats 51 can be set to be arc-shaped structures, the contact surface between the arc-shaped structures and the beam body 1 can be increased, the stress is uniform, and the connection stability is high, and of course, if the beam body 1 is a square structure, the shape of the second connecting seats 51 can be set specifically according to the situation, so that the connection stability is maintained; the connecting end 52 extends to the outside of the cross member body 1, and the mounting hole 53 thereon can be connected with the balance shaft of the vehicle. The second connecting seat 51 of the balance shaft connecting part 5 can be welded with the beam body 1 and can also be connected with the beam body by bolts.

The beam body 1 is processed by an ADI (Austempered Ductile Iron) process with high performance. The material processed by the processing technology has good strength, high fatigue strength, good wear resistance and good sound absorption effect, and can reduce the production cost and the weight of the workpiece when being used for replacing a steel part.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The integrated cross beam is characterized by comprising a cross beam body (1) and connecting plates (2) at two ends of the cross beam body;

crossbeam body (1) outside is equipped with V type distance rod connection structure (3) and I type distance rod connection structure (4), V type distance rod connection structure (3) are located crossbeam body (1) with the junction of connecting plate (2), I type distance rod connection structure (4) are located the outside middle part of crossbeam body (1).

2. The integrated crossbeam of claim 1, wherein the connection points of the connection plates (2) and the two ends of the crossbeam body (1) form four corners, and the V-shaped thrust rod connection structures (3) are located at the four corners and are symmetrically arranged with each other.

3. The integrated crossbeam of claim 2, characterised in that the V-shaped thrust rod connection structure (3) comprises a first connection lug (31), a second connection lug (32) and a first connection seat (12);

the first connecting lug (31) is positioned on the connecting plate (2) and close to the corner, and the second connecting lug (32) is positioned on the beam body (1) and close to the corner; a first connecting seat (12) is arranged between the first connecting lug (31) and the second connecting lug (32);

and the first connecting lug (31) and the second connecting lug (32) are both provided with first threaded blind holes.

4. The integrated crossbeam of claim 1, characterised in that the I-shaped thrust rod connection structures (4) are symmetrically arranged in the middle of both sides of the crossbeam body (1).

5. The integrated crossbeam of claim 4, characterised in that the I-shaped thrust rod connection structure (4) comprises a third engaging lug (41) and a fourth engaging lug (42), with a groove (11) provided between the third engaging lug (41) and the fourth engaging lug (42);

in the longitudinal section direction of the beam body (1), the center of the groove (11) is superposed with the center of the beam body (1);

the third connecting lug (41) and the fourth connecting lug (42) are positioned at the opening ends of two ends of the groove (11);

and the third connecting lug (41) and the fourth connecting lug (42) are both provided with second threaded blind holes.

6. The integrated beam according to claim 1, wherein the bottom of the beam body (1) is further provided with a balance shaft connecting part (5), and the balance shaft connecting part (5) comprises a second connecting seat (51), a connecting end (52) and a mounting hole (53);

the second connecting seat (51) and the beam body (1) are connected into a whole, the second connecting seat (51) extends towards the outer side of the beam body (1) to form a connecting end (52), and a mounting hole (53) is formed in the connecting end (52).

7. The integrated cross beam according to any one of claims 1 to 6, wherein the cross beam body (1) is formed by an ADI austempered ductile iron process.