CN216034658U - Three-beam structure of off-highway dump truck frame - Google Patents
Three-beam structure of off-highway dump truck frame Download PDFInfo
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- CN216034658U CN216034658U CN202122834409.1U CN202122834409U CN216034658U CN 216034658 U CN216034658 U CN 216034658U CN 202122834409 U CN202122834409 U CN 202122834409U CN 216034658 U CN216034658 U CN 216034658U
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Abstract
The utility model discloses a three-beam structure of an off-highway dump truck frame, which comprises: the horizontal part of the front bending plate extends forwards, and the vertical part of the front bending plate faces downwards; the horizontal part of the rear bending plate extends backwards and is coplanar with the horizontal part of the front bending plate, and the vertical part of the rear bending plate faces downwards and is superposed with and detachably connected with the vertical part of the front bending plate; and the lower bending plate is horizontally arranged below the front bending plate and the rear bending plate and is fixedly connected with the lower ends of the vertical parts of the front bending plate and the rear bending plate. The utility model has the advantages of strong torsional rigidity and shearing resistance, etc.
Description
Technical Field
The utility model relates to the technical field of mechanical devices and transportation. More specifically, the present invention relates to a three-beam structure for an off-highway dump truck frame.
Background
The three cross beams of the dumper frame are positioned behind the speed changer, and the power assembly occupies most of the mounting space in front of the three cross beams of the dumper frame, and no cross beam is arranged between the head of the dumper frame and the three cross beams, so that the torsional rigidity of the dumper frame is relatively low, and the structure of the three cross beams is of great importance to the torsional capacity of the dumper frame. The three-beam structure of the existing dumper frame mainly takes a bent and formed channel beam as a main part, an upper wing surface and a lower wing surface are connected with a connecting plate through rivets, and the connecting plate is connected with a longitudinal beam through bolts. In order to avoid dynamic interference with the transmission shaft, the heights of the three cross beams are limited, and the rigidity of the frame is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a three-beam structure of an off-road dumper frame, which is H-shaped in section and strong in torsion resistance, and effectively improves the torsion resistance of the frame.
To achieve these and other advantages and in accordance with the purpose of the present invention, a three cross member structure of an off-highway dump truck frame is provided, comprising:
the horizontal part of the front bending plate extends forwards, and the vertical part of the front bending plate faces downwards;
the horizontal part of the rear bending plate extends backwards and is coplanar with the horizontal part of the front bending plate, and the vertical part of the rear bending plate faces downwards and is superposed with and detachably connected with the vertical part of the front bending plate;
and the lower bending plate is horizontally arranged below the front bending plate and the rear bending plate and is fixedly connected with the lower ends of the vertical parts of the front bending plate and the rear bending plate.
Preferably, in the three-beam structure of the frame of the off-highway dump truck, the lower bending plate is a n-shaped plate, and the protruding part of the lower bending plate is arranged along the front-back direction.
Preferably, in the three-beam structure of the frame of the off-highway dump truck, the left side and the right side of the vertical part of the front bending plate and the vertical part of the rear bending plate are both recessed inwards to form arc transition parts.
Preferably, the three-beam structure of the frame of the off-highway dump truck has a plurality of first connecting holes formed in the left and right sides of the horizontal portions of the front bending plate and the rear bending plate, and a plurality of second connecting holes formed in the left and right sides of the lower bending plate.
Preferably, in the three-beam structure of the frame of the off-highway dump truck, the vertical parts of the front bending plate and the rear bending plate are riveted and fixed.
Preferably, in the three-beam structure of the frame of the off-highway dump truck, the lower ends of the vertical parts of the front bending plate and the rear bending plate are welded and fixed with the surface of the lower bending plate.
Preferably, the three-beam structure of the frame of the off-highway dump truck is formed by bending and processing a metal plate for the front bending plate, the rear bending plate and the lower bending plate.
The utility model at least comprises the following beneficial effects:
the three-beam structure is formed by rivet welding of bent metal plates, the cross section of the three-beam structure is in an I shape, and the three-beam structure has stronger torsional rigidity and shearing resistance.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic structural view of a triple beam according to one embodiment of the present invention;
FIG. 2 is a schematic view of a three beam assembly according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
as shown in fig. 1 and 2, the present invention provides a three-beam structure of an off-road dump truck frame, comprising:
the bending device comprises a front bending plate 1 which is an inverted L-shaped plate, wherein the horizontal part of the front bending plate 1 extends forwards, and the vertical part faces downwards;
the rear bending plate 2 is an inverted L-shaped plate, the horizontal part of the rear bending plate 2 extends backwards and is coplanar with the horizontal part of the front bending plate 1, and the vertical part of the rear bending plate 2 faces downwards, is superposed with the vertical part of the front bending plate 1 and is riveted and fixed through a rivet 3;
a lower bending plate 4 which is horizontally arranged below the front bending plate 1 and the rear bending plate 2 and is welded and fixed with the lower ends of the vertical parts of the front bending plate 1 and the rear bending plate 2, wherein,
the front bending plate 1, the rear bending plate 2 and the lower bending plate 4 are formed by bending metal plates; preceding board 1 and the left and right sides of the horizontal part of board 2 of bending after all seted up a plurality of first connecting holes 5, a plurality of second connecting holes 6 have all been seted up to the left and right sides of board 4 of bending down, a plurality of first connecting holes 5 and a plurality of second connecting holes 6 are used for riveting with connecting plate 7, and connecting plate 7 rethread bolt 8 is connected with longeron 9 to realize being connected of three crossbeam structures and longeron 9.
In the embodiment, the three-beam structure is formed by rivet welding of bent metal plates, the process is simple, and specifically, the front bent plate and the rear bent plate are connected through rivets and then welded with the lower bent plate; the cross section of the three-beam structure is I-shaped, and the torsional rigidity is strong; the I-shaped part only has a welding line at the lower part and no welding line at the upper part, and the welding lines are reduced, namely risk points are reduced; the rivet is used for connection, the production efficiency is high, the coplanarity of the horizontal parts of the front and rear bending plates can be guaranteed, and the rivet can also provide the shearing resistance when the frame is twisted.
Example 2:
as shown in fig. 1 and 2, the utility model provides a three-beam structure of an off-road dump truck frame, which is based on embodiment 1, and further comprises that the lower bending plate 4 is a n-shaped plate, and a protruding part of the lower bending plate 4 is arranged along a front-back direction.
In the above embodiment, the transmission shaft arrangement space is ensured by additionally arranging the upward protruding part on the abdomen of the lower bending plate.
Example 3:
as shown in fig. 1 and 2, the utility model provides a three-beam structure of an off-road dumper frame, which is based on embodiment 2, and further comprises arc transition portions 10 formed by inward recessing of left and right sides of vertical portions of the front bending plate 1 and the rear bending plate 2.
In the above embodiment, the inward concave arc transition portions are additionally arranged on the left side and the right side of the vertical portion of the front bending plate and the rear bending plate, so that the stress of the three cross beams is more uniform, and the stress concentration is avoided.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. Three crossbeam structures of off-highway dump truck frame, its characterized in that includes:
the horizontal part of the front bending plate extends forwards, and the vertical part of the front bending plate faces downwards;
the horizontal part of the rear bending plate extends backwards and is coplanar with the horizontal part of the front bending plate, and the vertical part of the rear bending plate faces downwards and is superposed with and detachably connected with the vertical part of the front bending plate;
and the lower bending plate is horizontally arranged below the front bending plate and the rear bending plate and is fixedly connected with the lower ends of the vertical parts of the front bending plate and the rear bending plate.
2. The three cross member structure of the off-road dump truck frame of claim 1, wherein the lower bent plate is a n-shaped plate, and the protrusion of the lower bent plate is arranged in a front-rear direction.
3. The three cross beam structure of the off-road dump truck frame of claim 1, wherein the left and right sides of the vertical portion of the front and rear bent plates are both recessed inward to form circular arc transition portions.
4. The three cross member structure of the frame of the off-road dump truck as claimed in claim 1, wherein the left and right sides of the horizontal portions of the front and rear bending plates are opened with a plurality of first connection holes, and the left and right sides of the lower bending plate are opened with a plurality of second connection holes.
5. The three cross member structure of the off-road dump truck frame of claim 1, wherein the vertical portions of the front and rear bent plates are riveted.
6. The three cross member structure of the frame of the off-road dump truck as claimed in claim 1, wherein the lower ends of the vertical portions of the front and rear bent plates are welded and fixed to the surface of the lower bent plate.
7. The three-beam structure of the frame of the off-highway dump truck according to claim 2, wherein the front bent plate, the rear bent plate and the lower bent plate are formed by bending sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122834409.1U CN216034658U (en) | 2021-11-18 | 2021-11-18 | Three-beam structure of off-highway dump truck frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122834409.1U CN216034658U (en) | 2021-11-18 | 2021-11-18 | Three-beam structure of off-highway dump truck frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216034658U true CN216034658U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122834409.1U Active CN216034658U (en) | 2021-11-18 | 2021-11-18 | Three-beam structure of off-highway dump truck frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216034658U (en) |
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2021
- 2021-11-18 CN CN202122834409.1U patent/CN216034658U/en active Active
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