CN214396661U

CN214396661U - Vehicle rear protection structure and dump truck

Info

Publication number: CN214396661U
Application number: CN202022440172.4U
Authority: CN
Inventors: 潘欣宇; 李代伟; 郑双; 潘明贵; 胡涛
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-10-15
Anticipated expiration: 2030-10-28

Abstract

The utility model provides a vehicle rear portion protective structure and tipper, this vehicle rear portion protective structure include first crossbeam, second crossbeam, longeron, first tie-beam and second tie-beam, the both ends of longeron connect respectively in first crossbeam with the second crossbeam, first tie-beam connect in the longeron or first crossbeam, the second tie-beam connect in the second crossbeam, first tie-beam with the second tie-beam is used for meeting with the frame. The dump truck comprises the vehicle rear protection structure. The utility model provides an among vehicle rear portion protective structure and the tipper, because vehicle rear portion protective structure has set up two crossbeams, and set up in frame connection's first tie-beam and second tie-beam, such structural style can make vehicle rear portion protective structure intensity higher, barrier propterty better.

Description

Vehicle rear protection structure and dump truck

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to a vehicle rear portion protective structure and tipper.

Background

A mining dump truck belongs to an off-highway dump truck, and is a dump truck for transporting coal mines and sand stones in off-highway field sites, such as large-scale strip mines and hydraulic engineering. Therefore, the working environment of the mining dump truck is generally severe, and in the running process, the truck body is easily impacted by broken stones and the like, so that related parts are damaged and loosened, and the service life is influenced.

Because the general environment of workplace that the tipper is located is comparatively abominable, chassis position structure such as axle, suspension are easily strikeed by the rubble, cause the damage of structure, become flexible, influence the life of tipper. For the rear protection of the dump truck, the rear anti-collision beam is generally welded on the frame main body at present, the structure is single and thin, the strength is poor, and the protection performance is weak.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vehicle rear portion protective structure and tipper that intensity is better, barrier propterty preferred.

The utility model provides a vehicle rear portion protective structure, including first crossbeam, second crossbeam, longeron, first tie-beam and second tie-beam, the both ends of longeron connect respectively in first crossbeam with the second crossbeam, first tie-beam connect in the longeron or first crossbeam, the second tie-beam connect in the second crossbeam, first tie-beam with the second tie-beam is used for meeting with the frame.

In one embodiment, the first beam and the second beam are spaced apart from and parallel to each other.

In one embodiment, two ends of the first beam and the second beam are respectively provided with a cover plate, and the cover plates seal ports at the ends of the first beam and the second beam.

In one embodiment, the longitudinal beams are perpendicular to the first cross beam and the second cross beam, the number of the longitudinal beams is two, and the two longitudinal beams are arranged between the first cross beam and the second cross beam at intervals.

In one embodiment, the first connecting beam is obliquely arranged relative to the first cross beam.

In one embodiment, the second connecting beam is obliquely arranged relative to the first cross beam.

In one embodiment, the number of the first connecting beams is two, and the two first connecting beams are arranged in parallel at intervals; the number of the second connecting beams is two, and the two second connecting beams are arranged in parallel at intervals.

In one embodiment, a first mounting plate is arranged at one end, away from the longitudinal beam, of the first connecting beam, a second mounting plate is arranged at one end, away from the second cross beam, of the second connecting beam, the second mounting plate is inclined or vertical to the first mounting plate, and the first mounting plate and the second mounting plate are used for being connected with the frame.

In one embodiment, the second connecting beam is offset from the first connecting beam in the extending direction of the first cross beam.

The utility model also provides a dump truck, the dump truck includes frame and above-mentioned vehicle rear portion protective structure, vehicle rear portion protective structure detachably is connected to the frame.

The utility model provides an among vehicle rear portion protective structure and the tipper, because vehicle rear portion protective structure has set up two crossbeams, and set up in frame connection's first tie-beam and second tie-beam, such structural style can make vehicle rear portion protective structure intensity higher, barrier propterty better.

Drawings

Fig. 1 is a schematic structural view of a rear protection structure of a vehicle according to an embodiment of the present invention.

Fig. 2 is an exploded view of the rear fender structure of the vehicle shown in fig. 1 coupled to a vehicle frame.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1, a rear protection structure of a vehicle according to an embodiment of the present invention includes a first cross member 11, a second cross member 13, a longitudinal member 15, a first connecting member 17, and a second connecting member 19. Both ends of the longitudinal beam 15 are connected to the first cross beam 11 and the second cross beam 13, respectively, the first connecting beam 17 is connected to the longitudinal beam 15, and the second connecting beam 19 is connected to the second cross beam 13. The first connecting beam 17 and the second connecting beam 19 are adapted to be connected to a vehicle frame 31 (see fig. 2).

The vehicle rear portion protective structure of this embodiment has set up two crossbeams, and has set up in frame connection's first tie-beam and second tie-beam, and such structural style can make vehicle rear portion protective structure intensity higher, barrier propterty better.

In this embodiment, the first beam 11 and the second beam 13 are arranged in parallel and spaced apart from each other. Specifically, the both ends of first crossbeam 11 and second crossbeam 13 can set up apron 21 respectively to seal the port of first crossbeam 11 and second crossbeam 13 tip, prevent that debris such as dust, muddy water from getting into in first crossbeam 11 and the second crossbeam 13, causing rust scheduling problem, avoid influencing the intensity of first crossbeam 11 and second crossbeam 13.

In the present embodiment, the longitudinal beam 15 is provided perpendicular to the first cross member 11 and the second cross member 13. Specifically, there are two longitudinal beams 15, and the two longitudinal beams 15 are disposed at intervals between the first cross member 11 and the second cross member 13.

In the present embodiment, the first connecting beam 17 is disposed obliquely with respect to the first cross member 11. Specifically, the first connecting beam 17 is inclined at an angle of preferably 30 to 60 °, more preferably 45 °, to the first cross member 11. The inclined first connecting beam 17 can bear impact forces in different directions, and plays a better role in protection. The number of the first connecting beams 17 is two, and the two first connecting beams 17 are arranged in parallel at intervals. It will be appreciated that the first connecting beam 17 may also be connected to the first cross member 11.

Specifically, the end of the first connecting beam 17 remote from the side member 15 is provided with a first mounting plate 172 to be connected with the vehicle frame 31. The first mounting plate 172 defines a first mounting hole 174.

In this embodiment, the second connecting beam 19 is disposed obliquely with respect to the first cross member 11. Specifically, the first connecting beam 17 is inclined at an angle of preferably 30 to 60 °, more preferably 45 °, to the first cross member 11. In the present embodiment, the inclination angle of the second connection beam 19 is the same as the inclination angle of the first connection beam 17, and of course, the inclination angle of the second connection beam 19 is different from the inclination angle of the first connection beam 17. The inclined second connecting beam 19 can bear impact forces in different directions, and plays a better role in protection. The number of the second connecting beams 19 is two, and the two second connecting beams 19 are arranged in parallel at intervals. The second connecting beam 19 is offset from the first connecting beam 17 in the direction of extension of the first transverse beam 11. More specifically, the two second connecting beams 19 are located inside the two first connecting beams 17.

Specifically, the end of the second connecting beam 19 remote from the second cross member 13 is provided with a second mounting plate 192 to connect with the frame 31. The second mounting plate 192 is provided with a second mounting hole 194. In particular, in this embodiment, the second mounting plate 192 is perpendicular to the first mounting plate 172, so that the rear fender structure of the vehicle is coupled to the frame 31 from different directions, and the stability of the coupling is enhanced. It will be appreciated that the second mounting plate 192 may also be angled with respect to the first mounting plate 172, again to allow the rear fender structure of the vehicle to be attached to the frame 31 from different directions to enhance the stability of the attachment.

In this embodiment, the first cross beam 11, the second cross beam 13, the longitudinal beam 15, the first connecting beam 17 and the second connecting beam 19 are all rectangular steel sections, different specifications can be selected according to different vehicle types, and steel sections with larger wall thickness and larger cross section are selected for vehicles with larger load capacity.

In this embodiment, the first cross beam 11, the second cross beam 13 and the longitudinal beam 15, the longitudinal beam 15 and the first connecting beam 17, and the second cross beam 13 and the second connecting beam 19 can be connected by welding. Of course, the first cross beam 11, the second cross beam 13 and the longitudinal beam 15, the longitudinal beam 15 and the first connecting beam 17, and the second cross beam 13 and the second connecting beam 19 may be connected by other connection methods such as screw connection. The vehicle rear protection structure is formed by welding rectangular steel profiles, the material and the forming process are simple, the steel specification can be selected according to different vehicle types, and the applicability is high.

It can be understood that the vehicle rear protection structure of the embodiment may be used for a dump truck, and may also be used for other vehicles such as a truck and a car, and is not limited herein.

The utility model provides a tipper please refer to fig. 2, the tipper of an embodiment includes frame 31 and above-mentioned vehicle rear portion protective structure, and first tie-beam 17 and second tie-beam 19 are connected respectively in frame 31.

In this embodiment, the frame 31 is provided with a first connecting portion 312 and a second connecting portion 314, the first connecting portion 312 is connected to the first mounting plate 172 of the first connecting beam 17, and the second connecting portion 314 is connected to the second mounting plate 192 of the second connecting beam 19. Specifically, the first connection portion 312 and the second connection portion 314 may each be a threaded socket.

Specifically, the first and

second connection portions

312 and 314 are detachably connected to the first and

second mounting plates

172 and 192, respectively, by the fasteners 33. The fastener 33 includes a bolt 332 and a washer 334. Bolt 332 may pass through washer 334, first mounting hole 174, or second mounting hole 194 and couple with a threaded seat on frame 31. Because the vehicle rear portion protective structure is detachably connected to the frame 31, the vehicle rear portion protective structure is convenient to disassemble and assemble, the vehicle rear portion protective structure can be conveniently disassembled for maintenance and replacement when damaged, and the detachable vehicle rear portion protective structure cannot influence manufacturing, post-processing and transportation of the frame 31.

In this embodiment, the dump truck further includes two sets of rear wheels (not shown) disposed at intervals, and the vehicle rear protection structure is disposed between the two sets of rear wheels. The distance between the two ends of the vehicle rear protective structure and the inner side of the rear wheel is not more than 100 mm, and the distance between the lower end of the vehicle rear protective structure and the ground is not more than 500 mm.

The vehicle rear part protection structure of the dumper of the embodiment is provided with the two cross beams and is arranged on the first connecting beam and the second connecting beam which are connected with the frame, and the vehicle rear part protection structure is high in strength and good in protection performance due to the structural form.

In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. It will be understood that when an element such as a layer, region or substrate is referred to as being "formed on," "disposed on" or "located on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly formed on" or "directly disposed on" another element, there are no intervening elements present.

In this document, unless expressly stated or limited otherwise, 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 can be understood in a specific case to those of ordinary skill in the art.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate the orientation or weight relationship based on the orientation or weight relationship shown in the drawings, only for the sake of clarity and convenience of description of the technical solution, and thus, should not be construed as limiting the present invention.

As used herein, the ordinal adjectives "first", "second", etc., used to describe an element are merely to distinguish between similar elements and do not imply that the elements so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.

As used herein, the meaning of "a plurality" or "a plurality" is two or more unless otherwise specified.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a vehicle rear portion protective structure, its characterized in that includes first crossbeam (11), second crossbeam (13), longeron (15), first tie-beam (17) and second tie-beam (19), the both ends of longeron (15) connect respectively in first crossbeam (11) with second crossbeam (13), first tie-beam (17) connect in longeron (15) or first crossbeam (11), second tie-beam (19) connect in second crossbeam (13), first tie-beam (17) with second tie-beam (19) are used for meeting with frame (31).

2. The vehicle rear guard structure according to claim 1, characterized in that said first cross member (11) and said second cross member (13) are arranged in parallel spaced apart from each other.

3. The vehicle rear guard structure according to claim 1, wherein ends of the first cross member (11) and the second cross member (13) are provided with cover plates (21), respectively, the cover plates (21) closing ports of the ends of the first cross member (11) and the second cross member (13).

4. The vehicle rear guard structure according to claim 1, wherein said longitudinal members (15) are provided perpendicularly to said first cross member (11) and said second cross member (13), said longitudinal members (15) being two, and two of said longitudinal members (15) are provided at intervals between said first cross member (11) and said second cross member (13).

5. The vehicle rear guard structure according to claim 1, wherein the first connecting beam (17) is disposed obliquely with respect to the first cross member (11).

6. The vehicle rear guard structure according to claim 1 or 5, characterized in that the second connecting beam (19) is disposed obliquely with respect to the first cross member (11).

7. The vehicle rear guard structure according to claim 6, wherein the number of the first connection beams (17) is two, and two of the first connection beams (17) are arranged in parallel at a spacing; the number of the second connecting beams (19) is two, and the two second connecting beams (19) are arranged in parallel at intervals.

8. The vehicle rear guard structure according to claim 1, characterized in that an end of the first connecting beam (17) remote from the side member (15) is provided with a first mounting plate (172), an end of the second connecting beam (19) remote from the second cross member (13) is provided with a second mounting plate (192), the second mounting plate (192) is inclined or perpendicular with respect to the first mounting plate (172), and the first mounting plate (172) and the second mounting plate (192) are used for connection with the vehicle frame (31).

9. The vehicle rear guard structure according to claim 1, characterized in that the second connecting beam (19) is arranged offset from the first connecting beam (17) in the extending direction along the first cross member (11).

10. A dump truck characterized in that it comprises a frame (31) and a vehicle rear guard structure according to any of claims 1-9, which is detachably connected to the frame (31).