CN217804907U - Frame cross beam, automobile frame and off-road vehicle - Google Patents

Abstract

The utility model discloses a frame cross member, car frame and cross country vehicle relates to frame technical field, has solved the unreasonable technical problem of load distribution when cross country vehicle facial make-up structure is complicated and space structure is compact. The frame cross beam comprises an arched beam body, a pin shaft and two horizontal mounting plates, the pin shaft is rotatably mounted at a middle protruding part of the arched beam body, the axial direction of the pin shaft is the same as the axial direction of the arched beam body to form an articulated mounting position, the two horizontal mounting plates are fixedly connected with the bottom ends of the two sides of the arched beam body respectively, the horizontal mounting plates are arranged along the axial direction of the arched beam body and the middle protruding part of the arched beam body in a staggered mode, and the horizontal mounting plates are provided with mounting interfaces used for a crane base. The lateral torsional load of the upper cabin body is prevented from being transmitted to the frame main body through the pin shaft penetrating through the front and the back, the risk of local stress concentration of the frame is reduced, the torsional deformation and torque release of the frame are facilitated, the crane base is installed on the horizontal installation plate, and the integrated design of partial support and the cross beam is realized.

Description

Frame cross beam, automobile frame and off-road vehicle

Technical Field

The utility model relates to a frame technical field especially relates to a frame cross beam, car frame and cross country vehicle.

Background

The cross-country vehicle frame generally adopts a frame structure that a left longitudinal beam and a right longitudinal beam are in threaded connection and riveted with a plurality of cross beams, an installation support is designed according to the installation requirements of various devices, and the cross beams can be used as bearing interfaces of upper equipment. The structure has a cabin connecting structure with single function and simple adaptable upper-mounted structure, and is mainly used on heavy cross-country vehicles and box type transport vehicles.

However, the frame of the off-road vehicle is a bearing base body of the chassis, various different upper-mounted devices are simultaneously installed on the chassis, and the frame is provided with a connecting interface in a narrow space. The structure with independent function is designed independently, so that the weight is increased, the installation manufacturability is reduced, and the design difficulty is high.

Therefore, the problem of unreasonable load distribution exists on off-road vehicles with complex mounting structures and compact space structures, such as a truck crane and a box type cargo hold.

SUMMERY OF THE UTILITY MODEL

The application provides a frame cross member, car frame and cross country vehicle has solved the unreasonable technical problem of load distribution when cross country vehicle facial make-up structure is complicated and space structure is compact.

The application provides a frame cross beam, including the arched girder body, round pin axle and two horizontal mounting boards, the round pin axle rotates to be installed in the middle protruding department of the arched girder body, the axial of round pin axle is the same with the axis direction of the arched girder body, in order to form articulated installation position, two horizontal mounting boards are fixed connection respectively with the both sides bottom of the arched girder body, along the axis direction horizontal mounting board of the arched girder body with the middle protruding dislocation set of the arched girder body, horizontal mounting board is provided with the installation interface who is used for the crane base.

Optionally, the arch roof beam body is including relative upper cover plate and lower shrouding that sets up and relative preceding riser and the back riser that sets up, and upper cover plate, lower shrouding, preceding riser and back riser all are the arch setting, the both sides of preceding riser respectively with upper cover plate, lower shrouding fixed connection, the both sides of back riser respectively with upper cover plate, lower shrouding fixed connection.

Optionally, the middle protrusions of the front vertical plate and the rear vertical plate are provided with pin shaft mounting holes, bushings are mounted in the pin shaft mounting holes, and the pin shafts are rotatably mounted in the bushings.

Optionally, the arched girder further includes two bushing reinforcing plates, the bushing reinforcing plates are fixedly connected to the bushing, and the two bushing reinforcing plates are respectively fixed to the outer sides of the front vertical plate and the rear vertical plate.

Optionally, the two ends of the upper cover plate in the length direction of the arched beam body are extended along the axial line direction of the arched beam body to form side extensions for fixedly connecting the horizontal mounting plates; and the side extension part extends along the height direction of the arched beam body, and the side extension part is provided with a side mounting interface.

Optionally, the frame cross member further comprises a plurality of reinforcing plates, and the reinforcing plates are fixedly connected with the horizontal mounting plate and the side extending portions.

The automobile frame comprises the frame cross beam and two longitudinal beams, wherein two ends of the arched beam body in the length direction are respectively and rigidly connected with the longitudinal beams.

Optionally, the longitudinal beam comprises a web, an upper flange fixedly connected with the top end of the web, and a lower flange fixedly connected with the bottom end of the web, the lower flange of any longitudinal beam is arranged towards another longitudinal beam, and the upper flange of any longitudinal beam is arranged far away from another longitudinal beam.

Optionally, the web is provided with a mounting location for the heat sink.

An off-road vehicle comprises the vehicle frame, an upper cabin body arranged on the vehicle frame and an upper crane.

The beneficial effects of this application are as follows: the frame cross beam comprises an arched beam body serving as a main body, a pin shaft and two horizontal mounting plates, wherein the pin shaft and the two horizontal mounting plates are mounted on the arched beam body; specifically, the axial direction of the pin shaft is arranged according to the axial direction of the arched girder body, the axial direction of the arched girder body is the width direction of the arched girder body, the pin shaft is rotatably arranged at the middle bulge of the arched girder body, the formed hinged installation position can be used for installing an upper cabin body, the lateral torsional load of the upper cabin body is prevented from being transmitted to the frame main body through the pin shaft penetrating through the front and the back, the risk of local stress concentration of the frame is reduced, meanwhile, the torsional deformation and torque release of the frame are facilitated, and the risk of damage to an upper equipment is improved; the two ends of the arched beam body along the length direction are bottom ends at two sides, the two horizontal mounting plates are respectively mounted at the positions, and the horizontal mounting plates along the width direction of the arched beam body and the middle bulge of the arched beam body are limited to be arranged in a staggered mode, so that reasonable space arrangement is achieved, a crane base of a top-mounted crane can be smoothly mounted on the horizontal mounting plates, and two types of top-mounted equipment are matched in a coordinated mode; the arched bottom side of the arched beam body is arranged in an open manner, so that the requirement of spatial arrangement of avoidance transmission system components is met; on the other hand, compare in the scheme that the frame required the design erection support according to the installation of various equipment, the utility model discloses a scheme has realized the integrated design of partial support and crossbeam, reduces crossbeam redesign, has alleviateed weight, has optimized the structure, has saved the totality and has arranged the space, has greatly improved the arrangement efficiency on chassis and facial make-up, has increased the joint strength of installing the interface about, improves the installation accuracy.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

FIG. 1 is a schematic structural view of a side rail in an automotive frame according to the present application;

FIG. 2 is a schematic structural view of a cross member of a vehicle frame provided herein;

fig. 3 is a partial structural schematic diagram of an automobile frame provided by the present application.

The attached drawings are marked as follows: 10-frame cross beam, 100-arched beam body, 111-length direction, 112-width direction, 113-height direction, 120-upper cover plate, 121-side extension part, 121 a-side mounting interface, 130-lower sealing plate, 140-front vertical plate, 200-pin shaft, 210-lining, 220-lining reinforcing plate, 300-horizontal mounting plate, 400-reinforcing plate, 20-automobile frame, 21-longitudinal beam, 21 a-web plate, 21 aa-radiator mounting position, 21 b-upper flanging and 21 c-lower flanging.

Detailed Description

The embodiment of the application provides a frame cross member, an automobile frame and a cross-country vehicle, and solves the technical problem that load distribution is unreasonable when the loading structure of the cross-country vehicle is complex and the space structure is compact.

In order to solve the technical problems, the general idea of the embodiment of the application is as follows:

the utility model provides a frame cross beam, includes the arch roof beam body, round pin axle and two horizontal mounting boards, and the round pin axle rotates to be installed in the middle protruding department of the arch roof beam body, and the axial of round pin axle is the same with the axis direction of the arch roof beam body to form articulated installation position, two horizontal mounting boards and the both sides bottom of the arch roof beam body fixed connection respectively, along the axis direction horizontal mounting board of the arch roof beam body and the protruding dislocation set in the middle of the arch roof beam body, horizontal mounting board is provided with the installation interface that is used for the crane base.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

The cross-country vehicle frame is the bearing substrate body on chassis, and multiple different facial make-up equipment is installed simultaneously on the chassis, and the frame is at narrow space design connection interface, and the structure of independent function of independent design not only increases weight easily, reduces installation manufacturability, and the design degree of difficulty is also very big, and the installation of facial make-up on-vehicle loop wheel machine and operation operating condition are totally different with box storehouse, and both can not mutual interference. The box type cargo compartment transports precision equipment, the cabin body can not deform during hoisting operation, and therefore interference force needs to be removed from the structural principle; crane operation requires the mounting base to be sufficiently strong and rigid so that with a rigid connection, the nacelle is forced to remove the frame from the forces of crane load deformation.

Example 1

The present embodiment provides a frame cross member 10 to solve the above problems.

Specifically, the frame cross member 10 includes an arched beam body 100 as a main body, and a pin 200 and two horizontal mounting plates 300 mounted to the arched beam body 100. The horizontal mounting plate 300 is intended to provide a horizontally oriented mounting surface.

Referring to fig. 2, the pin 200 is rotatably mounted at the middle protrusion of the arched girder 100, the axial directions of the pin 200 are the same according to the axial direction of the arched girder 100, as shown in fig. 2, the axial direction of the arched girder 100 is also the width direction 112 of the arched girder 100, and is defined by the width direction 112 in the following description; the width direction 112 of the arched girder 100 in the frame is also the longitudinal direction of the frame, and the hinge mounting position for mounting the upper deck body is formed at the pin 200. In detail, the lateral torsional load of the upper cabin body is prevented from being transmitted to the frame main body through the pin shaft 200 penetrating through the front and the back, the risk of local stress concentration of the frame is reduced, meanwhile, the torsional deformation and torque release of the frame are facilitated, and the risk of damage to the upper equipment is improved.

Referring to fig. 2, two ends of the arched beam 100 along the length direction 111 are bottom ends at two sides, and two horizontal mounting plates 300 are respectively mounted at the positions, that is, the two horizontal mounting plates 300 are respectively and fixedly connected to the bottom ends at two sides of the arched beam 100; and is also limited in the width direction 112 of the arched girder 100, and the horizontal mounting plate 300 is arranged in a staggered manner with the middle projection of the arched girder 100; as shown in fig. 2, the horizontal mounting plate 300 is provided with a mounting interface for a crane base to fixedly connect the crane base on which the crane is mounted with the horizontal mounting plate 300. In detail, the horizontal mounting plate 300 and the pin shaft 200 are arranged in a vertically staggered manner and a front-back staggered manner, and the coordination and matching of two different types of upper equipment are realized through reasonable spatial arrangement.

One of the benefits of the frame cross member 10 is that the arched arrangement of the arched beam body 100, specifically the arched bottom side is open, so that the space arrangement requirement of avoiding the drive train components is met during installation; the space is beneficial to the maintenance work in the later period and the process assembly work in the earlier period; the problem of interference during installation is effectively solved, the upper installation cabin body has higher installation height after installation, and the requirement of the upper installation cabin body on higher installation height is met.

Compared with the scheme that the frame is provided with the mounting supports according to the mounting requirements of various devices, the frame cross beam 10 of the embodiment realizes the integrated design of partial supports and cross beams, thereby reducing the repeated design of the cross beams, reducing the weight of the frame, optimizing the structure, saving the overall arrangement space and greatly improving the arrangement efficiency of a chassis and an upper loader; still including having increased the joint strength of installing the interface about, improved the installation accuracy, crane base and horizontal installation board 300 rigid connection have ensured sufficient intensity and rigidity.

In the above-mentioned case that the upper capsule body is installed at the pin shaft 200, it is to be noted that, in this case, the mounting structure of the upper capsule body is provided with a U-shaped groove, and the U-shaped groove is placed in an inverted manner during installation, and the U-shaped groove of the mounting structure is attached to the shaft body of the pin shaft 200; as shown in fig. 3, the pin 200 passes through the arched girder 100 in front and rear directions, and the upper hull is installed at both front and rear extended portions of the pin 200. In addition, one end of the pin shaft 200 is provided with a large head as shown in fig. 2, and the other end is provided with a pin hole and a cotter pin for installation, and is further provided with a gasket to reduce a gap between the installation structure of the upper cabin body provided with the U-shaped groove and the arched beam body 100.

Optionally, referring to fig. 2, the arched beam 100 includes an upper cover plate 120 and a lower sealing plate 130 that are disposed opposite to each other, and a front vertical plate 140 and a rear vertical plate that are disposed opposite to each other, the upper cover plate 120, the lower sealing plate 130, the front vertical plate 140, and the rear vertical plate are all disposed in an arched shape, two sides of the front vertical plate 140 are respectively fixedly connected to the upper cover plate 120 and the lower sealing plate 130 by welding, and two sides of the rear vertical plate are respectively fixedly connected to the upper cover plate 120 and the lower sealing plate 130 by welding, and the like. The connected plates are fixedly connected by welding, so that the frame cross beam 10 has a compact structure and sufficient strength and rigidity, and the beneficial effects are smoothly realized.

Optionally, referring to fig. 2, the middle protrusions of the front vertical plate 140 and the rear vertical plate are provided with mounting holes for a pin shaft 200, a bushing 210 is installed in the mounting hole for the pin shaft 200, the pin shaft 200 is rotatably installed in the bushing 210, and the bushing 210 is fixedly connected with the front vertical plate 140 and the rear vertical plate, preferably in a welded manner.

Optionally, the arched girder 100 further includes two bushing reinforcing plates 220, the bushing reinforcing plates 220 are fixedly connected to the bushing 210, preferably in a welded fixing manner, the two bushing reinforcing plates 220 are respectively fixed to the outer sides of the front vertical plate 140 and the rear vertical plate, the two bushing reinforcing plates 220 are respectively fixedly connected to the front vertical plate 140 and the rear vertical plate (fig. 2 shows that one bushing reinforcing plate 220 is fixed to the outer side of the front vertical plate 140, and the other bushing reinforcing plate is not shown due to a viewing angle), the outer sides of the front vertical plate 140 and the rear vertical plate referred to in this place, specifically, one side of the front vertical plate 140 deviating from the rear vertical plate, and one side of the rear vertical plate deviating from the front vertical plate 140.

This scheme adopts bush reinforcing plate 220's beneficial effect to include: the strength and strength of the front riser 140 and the rear riser are increased; increasing the strength and rigidity of the bushing 210; as shown in fig. 2, the edges of the upper cover plate 120 and the lower sealing plate 130 protrude out of the plane of the front vertical plate 140, and the bushing reinforcing plate 220 has the effect of filling the grooves formed by the edges of the upper cover plate 120, the edges of the lower sealing plate 130 and the plane of the front vertical plate 140, so that when the upper cabin body may axially shift at the pin shaft 200 compared with the frame cross member 10 in the working state, the collision surface between the upper cabin body and the arched beam body 100 is changed from the original edge of the upper cover plate 120 and the original edge of the lower sealing plate 130 into the edge of the upper cover plate 120, the edge of the lower sealing plate 130 and the plane surface of the bushing reinforcing plate 220, and the advantage of improving adverse effect of shifting is achieved by increasing the contact area.

The horizontal mounting plate 300 is offset from the center projection of the arched girder 100 in the width direction 112 of the arched girder 100. In some embodiments, referring to fig. 2, the two ends of the upper cover plate 120 in the length direction 111 of the arched beam 100 extend along the width direction 112 of the arched beam 100 to form side extensions 121 for fixedly connecting the horizontal mounting plate 300.

The side extension 121 extends in the height direction 113 of the arched beam 100, and the side extension 121 is provided with a side mounting interface 121a. Referring to fig. 1 to 3, the side mounting interfaces 121a are matched with the bolt holes of the longitudinal beams 21, and the assembling structure shown in fig. 3 is formed after the bolts are installed.

Optionally, referring to fig. 2, the cross frame member 10 further includes a plurality of reinforcing plates 400, and the reinforcing plates 400 are fixedly connected to the horizontal mounting plate 300 and the side extension portions 121. The reinforcing plate 400 may be formed in a corner plate shape as shown in fig. 2, which is advantageous for reinforcing the connection strength between the arched girder 100 and the horizontal mounting plate 300, increasing the strength and rigidity of the horizontal mounting plate 300, and improving the strength and rigidity of the entire frame structure.

Example 2

The embodiment provides an automobile frame 20, which comprises the frame cross beam 10 in the embodiment 1, wherein the automobile frame 20 further comprises two longitudinal beams 21, and two ends of the arched beam body 100 in the length direction 111 are respectively and rigidly connected with the longitudinal beams 21.

Optionally, referring to fig. 1 and 3, the longitudinal beams 21 include a web 21a, an upper flange 21b fixedly connected to a top end of the web 21a, and a lower flange 21c fixedly connected to a bottom end of the web 21a, the lower flange 21c of any longitudinal beam 21 is disposed toward another longitudinal beam 21, and the upper flange 21b of any longitudinal beam 21 is disposed away from another longitudinal beam 21. The strength and the rigidity of the longitudinal beam 21 are improved by arranging the flanging, and the lower flanging 21c in the frame is inwards turned, so that the lateral bending resistance of the longitudinal beam 21 is improved.

Optionally, referring to fig. 3, the web 21a is provided with a mounting location 21aa of the heat sink.

Example 3

The present embodiment provides an off-road vehicle comprising the vehicle frame 20 of embodiment 2, and an upper deck and an upper crane mounted to the vehicle frame 20.

Regarding the installation of the crane base for installing the crane at the horizontal mounting plate 300 of the cross frame member 10 of the car frame 20, the two horizontal mounting plates 300 of the cross frame member 10 provide two mounting points, and two supports are further provided on the longitudinal beams 21 of the frame to realize the installation of the crane base.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A frame rail, comprising:

an arched beam body;

the hinge pin is rotatably arranged at the middle bulge of the arched beam body, and the axial direction of the hinge pin is the same as the axial direction of the arched beam body so as to form a hinged installation position; and

two horizontal installation boards, with the both sides bottom of the arch roof beam body is fixed connection respectively, follows the axis direction of the arch roof beam body horizontal installation board with the protruding dislocation set in middle of the arch roof beam body, horizontal installation board is provided with the installation interface that is used for the crane base.

2. The cross-member of claim 1, wherein the arched beam includes an upper cover plate and a lower cover plate disposed opposite to each other, and a front vertical plate and a rear vertical plate disposed opposite to each other, the upper cover plate, the lower cover plate, the front vertical plate, and the rear vertical plate are all disposed in an arched shape, two sides of the front vertical plate are respectively and fixedly connected to the upper cover plate and the lower cover plate, and two sides of the rear vertical plate are respectively and fixedly connected to the upper cover plate and the lower cover plate.

3. The cross member of claim 2, wherein the middle protrusions of the front vertical plate and the rear vertical plate are provided with pin shaft mounting holes, and bushings are mounted in the pin shaft mounting holes, and the pin shaft is rotatably mounted in the bushings.

4. The frame rail of claim 3, wherein the arched beam further includes two bushing reinforcing plates, the bushing reinforcing plates being fixedly attached to the bushings, the two bushing reinforcing plates being secured to the outer sides of the front and rear risers, respectively.

5. The frame rail of claim 2, wherein the upper cover plate extends along the axis of the arched beam at opposite ends of the arched beam in the lengthwise direction of the arched beam to form lateral extensions for secure attachment of the horizontal mounting plate; and the side surface extending part extends along the height direction of the arched beam body, and the side surface extending part is provided with a side surface mounting interface.

6. The frame rail of claim 5, further comprising a plurality of reinforcement plates fixedly connected to both the horizontal mounting plate and the side extensions.

7. A vehicle frame, comprising a cross member according to any one of claims 1 to 6, and further comprising two longitudinal members, wherein said arched beam body is rigidly connected to said longitudinal members at each of said longitudinal ends.

8. The automotive frame of claim 7, wherein said side rails include a web, a flange fixedly connected to a top end of said web, and a flange fixedly connected to a bottom end of said web, said flange of any of said side rails being disposed toward another of said side rails, said flange of any of said side rails being disposed away from another of said side rails.

9. An automotive frame as claimed in claim 8 wherein said web provides a mounting location for a radiator.

10. An off-road vehicle comprising a vehicle frame as claimed in any one of claims 7 to 9 and an upper pod and an upper crane mounted to the vehicle frame.

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