CN216546364U - Integral type frame roof beam body and frame assembly - Google Patents

Abstract

The utility model discloses an integrated frame beam body and a frame assembly, and relates to the technical field of engineering machinery. The integrated frame beam body is provided with a front section, a variable cross-section and a rear section which are sequentially connected, the front section, the variable cross-section and the rear section are of an integrated structure, the front section and the rear section are arranged at intervals in the width direction of the variable cross-section, the front section and the rear section are arranged at intervals in the height direction of the variable cross-section, and the variable cross-section is connected with the front section and the rear section in a bending mode. The integrated frame beam body can reduce the gravity center of a vehicle, and improve the running stability of the vehicle and the light weight of the frame.

Description

Integral type frame roof beam body and frame assembly

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to an integrated frame beam body and a frame assembly.

Background

The engineering vehicle is a professional transportation device for surface mining, and in the actual use process of the engineering vehicle, the requirements of low cost, heavy load and high working efficiency are often required. The frame of the engineering vehicle generally bears the mass of the whole vehicle and goods, the main bearing structure of the frame is a frame beam body, in order to meet better bearing performance, a variable cross-section frame appears in recent years, and the variable cross-section frame has higher requirements on manufacturing cost, precision and efficiency.

Although the existing variable cross-section frame realizes the change in the height direction, the rear width of the frame is often larger, so that the total width of a vehicle is difficult to improve, the light weight of the frame cannot be realized conveniently, and the problem of stress concentration of the variable cross-section is also often existed.

Therefore, there is a need for an integrated frame rail and frame assembly to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an integrated frame beam body and a frame assembly, which can reduce the gravity center of a vehicle, improve the running stability of the vehicle and realize the light weight of a frame.

In order to achieve the technical effects, the technical scheme of the utility model is as follows:

the integral type frame beam body is provided with a front section, a variable cross-section and a rear section which are sequentially connected, the front section, the variable cross-section and the rear section are of an integrally formed structure, the front section and the rear section are arranged in the width direction of the variable cross-section at intervals, the front section and the rear section are arranged in the height direction of the variable cross-section at intervals, and the variable cross-section is connected with the front section 1 and the rear section 3 in a bending mode.

Further, the integral frame rail body includes: two beam side plates arranged at intervals; the beam cover plate is arranged on the tops of the two beam side plates; the beam bottom plate is arranged at the bottom of the two beam side plates.

Furthermore, at least one beam side plate comprises a variable cross-section bending section, the beam cover plate comprises a variable cross-section cover plate section, the beam bottom plate comprises a variable cross-section bottom plate section, and the variable cross-section bending section, the variable cross-section cover plate section and the variable cross-section bottom plate section are sequentially connected to form the variable cross-section.

Further, the beam side plate still includes a plurality of shaping curb plates, the beam apron still includes a plurality of shaping apron, the beam bottom plate still includes a plurality ofly the shaping bottom plate, the both ends of becoming the cross-section apron section respectively with two the shaping curb plate is connected, the both ends of becoming the cross-section apron section respectively with two the shaping apron is connected, the both ends of becoming the cross-section bottom plate section respectively with two the shaping bottom plate is connected.

Further, the welding seam between two adjacent shaping curb plates with the length direction of the integral type frame roof beam body is the acute angle setting, the welding seam between two adjacent shaping apron with the length direction of the integral type frame roof beam body is the acute angle setting, the welding seam between two adjacent shaping bottom plates with the length direction of the integral type frame roof beam body is the acute angle setting.

Furthermore, one of the beam side plates comprises the variable cross-section bending section, the other beam side plate comprises at least two fixing plates, one of the fixing plates is connected with the beam cover plate and the beam bottom plate to form the rear section, and the other fixing plate, the beam cover plate and the beam bottom plate form the front section and the variable cross-section.

Further, the variable cross-section bottom plate section comprises a wide section and a narrow section, the narrow section is connected with the front section, and the wide section is connected with the rear section.

Further, the cross-sectional area of the rear section is larger than that of the front section, and the cross-sectional area of the variable cross-sectional section gradually decreases in a direction approaching the front section.

Further, the width of the rear section is greater than the width of the front section.

A frame assembly comprises two integrated frame beam bodies as described above, wherein the two integrated frame beam bodies are arranged at intervals.

The utility model has the beneficial effects that: the variable cross-section is bent in the width direction of the integrated frame beam body, so that the front section and the rear section can be well arranged at intervals in the width direction of the variable cross-section, the distance between the front sections of the two integrated frame beam bodies can be smaller than the distance between the rear sections, the width of the rear section of the whole frame assembly can be conveniently reduced, the overall width of the whole vehicle is reduced, and the application range of the vehicle is favorably improved; and the interval broad between two anterior segments also can provide sufficient space for the installation and the maintenance of engine to improve equipment such as engine arrange and maintenance convenience on integral type frame beam body. Simultaneously, the interval of two back ends is narrower also is favorable to the nimble installation on the back end at the outside part of two integral type frame roof beam bodies, improves its design flexibility to the lightweight design of the whole vehicle of being convenient for. The variable cross section still bends the setting in integral type frame beam body direction of height, can realize the interval setting of anterior segment and back end in the direction of height of variable cross section betterly to can make the integral type frame beam body place the anterior segment in the below of back end in the use, make the focus position that bears the weight of the anterior segment of engine equipment be less than the focus position of back end, and then can also reduce the focus of the driver's cabin of installing on the anterior segment, thereby improve the stability and the security of vehicle form. In addition, anterior segment, variable cross section and back end are integrated into one piece structure, can guarantee the intensity of integral type frame roof beam body again betterly, improve its reliability in utilization.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic structural view of an integrated body frame rail according to an embodiment of the present invention;

FIG. 2 is a second schematic structural view of an integrated frame rail according to the second embodiment of the present invention;

fig. 3 is an exploded view of the integrated frame rail according to the embodiment of the present invention.

Reference numerals

1. A front section; 2. a variable cross-section; 3. a rear section;

4. a beam side plate; 41. bending sections with variable cross sections; 42. forming a side plate; 43. a fixing plate;

5. a beam cover plate; 51. a variable cross-section deck section; 52. forming a cover plate;

6. a beam bottom plate; 61. a variable cross-section floor section; 611. a wide section; 612. a narrow section; 62. and forming the bottom plate.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The specific structure of the integrated body frame rail body according to the embodiment of the present invention will be described with reference to fig. 1 to 3.

As shown in fig. 1-3, fig. 1 discloses an integrated frame beam body, which has a front section 1, a variable cross-section 2 and a rear section 3 connected in sequence, the front section 1, the variable cross-section 2 and the rear section 3 are integrally formed, the front section 1 and the rear section 3 are arranged at intervals in the width direction of the variable cross-section 2, the front section 1 and the rear section 3 are arranged at intervals in the height direction of the variable cross-section 2, and the variable cross-section 2 is connected to the front section 1 and the rear section 3 in a bending manner.

It can be understood that, because the variable cross-section 2 is bent in the width direction of the integrated frame beam body, the front section 1 and the rear section 3 can be arranged at intervals in the width direction of the variable cross-section 2, so that the distance between the front sections 1 of the two integrated frame beam bodies can be smaller than the distance between the rear sections 3, and the width of the rear section 3 of the whole frame assembly can be conveniently reduced, the overall width of the whole vehicle can be reduced, and the application range of the vehicle can be favorably improved; and the interval broad between two anterior segments 1 also can provide sufficient space for the installation and the maintenance of engine to improve equipment such as engine and arrange and maintenance convenience on integral type frame beam body. Simultaneously, the narrower interval of two back end 3 also is favorable to the nimble installation on back end 3 at the outside part of two integral type frame roof beam bodies, improves its design flexibility to the lightweight design of the whole vehicle of being convenient for. Variable cross section 2 still bends the setting in integral type frame beam body direction of height, can realize the interval setting of anterior segment 1 and back end 3 in variable cross section 2's direction of height better, thereby can make the integral type frame beam body place anterior segment 1 in the below of back end 3 in the use, make the centre of gravity position that bears anterior segment 1 of engine equipment be less than the centre of gravity position of back end 3, and then can also reduce the focus of the driver's cabin of installing on anterior segment 1, thereby improve the stability and the security of vehicle form.

In addition, anterior segment 1, variable cross section 2 and back end 3 are integrated into one piece structure, can guarantee the intensity of integral type frame roof beam body again betterly, improve its reliability in utilization.

Specifically, in this embodiment, before the processing of the integral frame beam body, the finite element structural analysis and optimization under no-load and full-load can be performed to better ensure that the stress distribution at the variable cross-section 2 is uniform, thereby further improving the reliability of the integral frame beam body in use.

In some embodiments, as shown in fig. 2 and 3, the one-piece frame rail body includes two spaced-apart rail side panels 4, a rail cover panel 5, and a rail base panel 6. The beam cover plate 5 is arranged on top of the two beam side plates 4. The beam bottom plate 6 is arranged at the bottom of the two beam side plates 4.

It can be understood that through the structural arrangement, the integrated frame beam body can be integrally formed into a box body structure, the strength and the rigidity of the integrated frame beam body can be further improved, and the use reliability of the integrated frame beam body is improved.

Specifically, in the present embodiment, the two beam side plates 4, the beam cover plate 5 and the beam bottom plate 6 are welded and connected in sequence to form the front section 1, the variable cross-section 2 and the rear section 3 into an integrally formed structure, and in other embodiments of the present invention, the front section 1, the variable cross-section 2 and the rear section 3 can also be formed into an integrally formed structure by other integrally forming methods such as integrally casting, without specific limitation.

In some embodiments, as shown in fig. 2 and 3, at least one of the beam side plates 4 comprises a variable cross-section bent section 41, the beam cover 5 comprises a variable cross-section cover plate section 51, the beam bottom plate 6 comprises a variable cross-section bottom plate section 61, and the variable cross-section bent section 41, the variable cross-section cover plate section 51 and the variable cross-section bottom plate section 61 are sequentially connected to form the variable cross-section 2.

It can be understood that, because the roof beam curb plate 4 includes variable cross section bending section 41, roof beam apron 5 includes variable cross section apron section 51, beam-floor 6 includes variable cross section bottom plate section 61, thereby can guarantee better that the relevant plate structure of variable cross section 2 department is the monoblock, thereby can effectively improve the toughness and the reliability of variable cross section 2, ensure that variable cross section 2 can bear the load on a large scale steadily, reduce the fracture phenomenon that variable cross section 2 produced because of the load is big, improve the stability and the reliability of the integral type frame roof beam body.

In some embodiments, as shown in fig. 2 and 3, the beam-side plate 4 further includes a plurality of molded side plates 42, the beam-side plate 5 further includes a plurality of molded cover plates 52, the beam-side plate 6 further includes a plurality of molded base plates 62, two ends of the variable cross-section cover plate section 51 are respectively connected to the two molded side plates 42, two ends of the variable cross-section cover plate section 51 are respectively connected to the two molded cover plates 52, and two ends of the variable cross-section base plate section 61 are respectively connected to the two molded base plates 62.

It can be understood that through the above-mentioned structural arrangement, can make roof beam curb plate 4 connect gradually through a plurality of shaping curb plates 42 and form different length, make roof beam bottom plate 6 connect gradually through a plurality of shaping bottom plate 62 boards and form different length, make roof beam top plate connect gradually through a plurality of shaping roof plates and form different length, thereby show the length scope that improves roof beam curb plate 4, roof beam bottom plate 6 and roof beam cover plate 5, improve the application scope of the integral type frame roof beam body.

In addition, in the present embodiment, the variable cross-section bent section 41, the variable cross-section cover plate section 51, and the variable cross-section bottom plate section 61 are all bent after being machined and cut, and a welding groove is machined on the beam side plate 4, so as to ensure the integrity of the cover plate and the beam bottom plate 6.

In some embodiments, as shown in fig. 1-3, the weld between two adjacent profiled side panels 42 is disposed at an acute angle to the length of the body, the weld between two adjacent profiled cover panels 52 is disposed at an acute angle to the length of the body, and the weld between two adjacent profiled bottom panels 62 is disposed at an acute angle to the length of the body.

It can be understood that, because the welding seam is acute angle setting with the length direction of the integral type frame roof beam body, relative welding seam perpendicular to the length direction of the integral type frame roof beam body, can effectively improve the length of welding seam, can not only show the joint strength who improves two adjacent shaping curb plates 42, two adjacent shaping apron 52 and two adjacent shaping bottom plates 62, can effectively reduce the shearing force that roof beam curb plate 4, roof beam bottom plate 6 and roof beam top plate born separately again, thereby improve the bulk strength of the integral type frame roof beam body.

Specifically, in this embodiment, an included angle between the welding seam and the length direction of the integrated frame rail body is 25 ° to 50 °, and preferably 30 ° or 45 °, and the specific angle may be determined according to actual requirements without specific limitations.

In some embodiments, as shown in fig. 2 and 3, one beam side plate 4 comprises a variable cross-section bent section 41, the other beam side plate 4 comprises at least two fixing plates 43, one fixing plate 43 is connected with the beam cover plate 5 and the beam bottom plate 6 to form the rear section 3, and the other fixing plate 43 is connected with the beam cover plate 5 and the beam bottom plate 6 to form the front section 1 and the variable cross-section 2.

It can be understood that, through the above structure setting, the variable cross-section bending section 41 does not need to be arranged on one beam side plate 4, so that on the premise of ensuring the variable cross-section structure of the variable cross-section 2, the processing difficulty of the beam side plate 4 is reduced, and the processing efficiency of the integrated frame beam body is improved.

In some embodiments, as shown in fig. 3, the variable-section bottom plate section 61 comprises a wide section 611 and a narrow section 612, the narrow section 612 being connected with the front section 1, and the wide section 611 being connected with the rear section 3.

It can be understood that, through the above-mentioned structural arrangement, the width change of the variable cross-section bottom plate section 61 can be conveniently realized, and on the premise of realizing the interval arrangement of the front section 1 and the rear section 3 in the width direction of the variable cross-section 2, the overall strength and rigidity of the variable cross-section bottom plate section 61 can be better improved.

In some embodiments, as shown in fig. 3, the cross-sectional area of the rear section 3 is larger than the cross-sectional area of the front section 1, and the cross-sectional area of the variable section 2 gradually decreases in a direction approaching the front section 1.

It can be understood that, through the above-mentioned structural arrangement, the strength of the rear section 3 can be improved, thereby improving the overall strength of the vehicle, improving the reliability of mounting the outside components at the rear section 3, and facilitating the mounting of other structures between the two integrated frame rail bodies.

In some embodiments, as shown in fig. 3, the width of the posterior section 3 is greater than the width of the anterior section 1.

It can be understood that, through the structural arrangement, the cross-sectional area of the rear section 3 can be conveniently larger than that of the front section 1, so that the variable cross-section structural arrangement of the integrated frame beam body is realized.

The utility model also discloses a frame assembly which comprises the two integrated frame beam bodies, wherein the two integrated frame beam bodies are arranged at intervals.

According to the frame assembly provided by the embodiment of the utility model, the integrated frame beam body is arranged, so that the gravity center of the vehicle can be reduced, and the running stability of the vehicle and the light weight of the frame can be improved.

In the description herein, references to the description of "some embodiments," "other embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (10)

1. The integral type frame beam body is characterized by comprising a front section (1), a variable cross-section (2) and a rear section (3) which are sequentially connected, wherein the front section (1), the variable cross-section (2) and the rear section (3) are of an integrally formed structure, the front section (1) and the rear section (3) are arranged at intervals in the width direction and the height direction of the variable cross-section (2), and the variable cross-section (2) is connected to the front section (1) and the rear section (3) in a bending mode.

2. The integrated frame rail body according to claim 1, characterized in that the integrated frame rail body comprises:

two beam side plates (4) arranged at intervals;

the beam cover plates (5) are arranged at the tops of the two beam side plates (4);

the beam bottom plate (6) is arranged at the bottom of the two beam side plates (4).

3. The integrated frame rail body according to claim 2, characterized in that at least one of the beam side plates (4) comprises a variable cross-section bent section (41), the beam cover plate (5) comprises a variable cross-section cover plate section (51), the beam bottom plate (6) comprises a variable cross-section bottom plate section (61), and the variable cross-section bent section (41), the variable cross-section cover plate section (51) and the variable cross-section bottom plate section (61) are sequentially connected to form the variable cross-section (2).

4. The integrated frame beam body according to claim 3, wherein the beam side plate (4) further comprises a plurality of forming side plates (42), the beam cover plate (5) further comprises a plurality of forming cover plates (52), the beam bottom plate (6) further comprises a plurality of forming bottom plates (62), two ends of the variable cross-section cover plate section (51) are respectively connected with the two forming side plates (42), two ends of the variable cross-section cover plate section (51) are respectively connected with the two forming cover plates (52), and two ends of the variable cross-section bottom plate section (61) are respectively connected with the two forming bottom plates (62).

5. The integrated frame rail body according to claim 4, wherein the welding seam between two adjacent molded side plates (42) is disposed at an acute angle with respect to the length direction of the integrated frame rail body, the welding seam between two adjacent molded cover plates (52) is disposed at an acute angle with respect to the length direction of the integrated frame rail body, and the welding seam between two adjacent molded base plates (62) is disposed at an acute angle with respect to the length direction of the integrated frame rail body.

6. The one-piece frame rail body according to claim 3, wherein one of said beam side plates (4) includes said variable cross-section bent section (41), and the other of said beam side plates (4) includes at least two fixing plates (43), one of said fixing plates (43) being connected to said beam cover plate (5) and said beam bottom plate (6) to form said rear section (3), and the other of said fixing plates (43) being connected to said beam cover plate (5) and said beam bottom plate (6) to form said front section (1) and said variable cross-section (2).

7. The one-piece frame rail body according to claim 3, characterized in that the variable cross-section floor section (61) comprises a wide section (611) and a narrow section (612), the narrow section (612) being connected with the front section (1), the wide section (611) being connected with the rear section (3).

8. The one-piece frame rail body according to claim 1, wherein the cross-sectional area of the rear section (3) is larger than the cross-sectional area of the front section (1), and the cross-sectional area of the variable section (2) is gradually reduced in a direction approaching the front section (1).

9. The one-piece frame rail body according to claim 1, characterized in that the width of the rear section (3) is greater than the width of the front section (1).

10. A frame assembly comprising two unitary frame rails according to any of claims 1 to 9, said unitary frame rails being spaced apart.

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