CN212579713U - Rear breast board structure of dump truck - Google Patents
Rear breast board structure of dump truck Download PDFInfo
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- CN212579713U CN212579713U CN202021491343.XU CN202021491343U CN212579713U CN 212579713 U CN212579713 U CN 212579713U CN 202021491343 U CN202021491343 U CN 202021491343U CN 212579713 U CN212579713 U CN 212579713U
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- breast board
- main body
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- tailgate
- arc
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Abstract
The utility model provides a dumper rear breast board structure, which comprises a plate-shaped rear breast board main body, vertical frames positioned at two ends of the rear breast board main body, and transverse frame beams positioned at the upper end and the lower end of the rear breast board main body, wherein the rear breast board main body consists of an arc-shaped section and straight-line sections positioned at two ends of the arc-shaped section, the end parts of the straight-line sections are bent and extended to form bent parts, and the bent parts are mutually perpendicular to the straight-line sections; the transverse frame beam is in a long strip shape, the cross section of the transverse frame beam is in an L shape, the horizontal edge of the transverse frame beam is fixed on the bent part of the straight line section of the rear breast board main body, the vertical edge of the transverse frame beam is parallel to the straight line section of the rear breast board main body, the end part of the vertical edge of the transverse frame beam is provided with a supporting bevel edge, and the end part of the supporting bevel edge abuts against the joint of the arc section and the straight line section of the rear breast board main body 1; the vertical frame and the transverse frame beam are fixed together. The utility model discloses alleviateed the whole weight of back breast board assembly, made the weight of whole car also can obtain reducing, back breast board assembly compact structure, convenient assembling, intensity is high.
Description
Technical Field
The utility model relates to a tipper accessory field, specifically speaking relates to a tipper back breast board assembly structure.
Background
The dump truck has a great utilization rate in the fields of agricultural production, mining work, engineering machinery and the like as an important engineering vehicle, and if the transportation cost is reduced and the profit is increased in high-strength and high-frequency work, the light weight of the dump truck needs to be developed. The structure of the existing dumper tailgate mainly adopts plates as main bodies, edge beams are adopted to connect the periphery of the plate main bodies, and cross beams and vertical beams are welded on the outer side faces of the plates, so that the dumper tailgate is more in required materials and heavier in overall quality, welding points between the cross beams, the vertical beams and the plate main bodies are more, and the welding points are easily exposed outside to influence the product quality.
SUMMERY OF THE UTILITY MODEL
The utility model provides a guardrail plate assembly structure behind tipper, for solving the heavier problem of current tipper rear breast board overall mass.
The utility model discloses a realize through following technical scheme:
a dumper tailgate structure comprises a platy tailgate main body, vertical frames positioned at two ends of the tailgate main body, and transverse frame beams positioned at the upper end and the lower end of the tailgate main body, wherein the cross section of the tailgate main body is formed by an arc-shaped section and straight-line sections positioned at two ends of the arc-shaped section, the end parts of the straight-line sections are bent and extended to form bending parts, and the bending parts are mutually perpendicular to the straight-line sections;
the transverse frame beam is in a long strip shape, the cross section of the transverse frame beam is in an L shape, the horizontal edge of the transverse frame beam is fixed on the bent part of the straight line section of the rear breast board main body, the vertical edge of the transverse frame beam is parallel to the straight line section of the rear breast board main body, the end part of the vertical edge of the transverse frame beam is provided with a supporting bevel edge, and the end part of the supporting bevel edge abuts against the joint of the arc section and the straight line section of the rear breast board main body; the vertical frame and the transverse frame beam are fixed together.
The utility model can punch the middle part of the plate into arc shape by the existing punching machine, the two ends of the arc form straight line sections, thereby forming the main body shape of the rear breast board, then bend 90 degrees to the end part of the straight line end by the bending machine to form a bending part, the bending part can be used for bearing a transverse frame beam, the transverse frame beam forms an L-shaped edge and a supporting bevel edge, then forms a quadrangular beam together with the bending part of the main body of the rear breast board, the straight line forms a quadrangle, the L-shaped edge can be welded together after being lapped on the surface of the bending part, the supporting bevel edge of the transverse frame beam supports the connecting part of the arc section and the straight line sections of the main body of the rear breast board, or the supporting bevel edge of the transverse frame beam can directly support the straight line end, the abutting part can also be connected by spot welding, the supporting bevel edge can play the supporting role, so as to increase the strength, thus forming the frame-, improvement in weight reduction is made.
Compared with the prior art, the utility model discloses can obtain including following technological effect:
1. the whole weight of the rear breast board assembly is reduced, and the weight of the whole vehicle can be reduced.
2. The rear breast board assembly has compact structure, convenient assembly and high strength.
Drawings
Fig. 1 is an overall front view of an embodiment of the present invention;
fig. 2 is an overall side view of an embodiment of the invention;
FIG. 3 is a side view of the tailgate body according to an embodiment of the present invention;
FIG. 4 is a schematic view of the connection between the tailgate body and the vertical frame according to the embodiment of the present invention;
FIG. 5 is a schematic view of the connection relationship between the tailgate body and the horizontal frame beam according to the embodiment of the present invention;
FIG. 6 is a front view of the connection between the tailgate body and the reinforcement plate according to an embodiment of the present invention;
fig. 7 is a side view of the connection between the tailgate body and the reinforcing plate according to the embodiment of the present invention.
The reference numbers are as follows:
1. a tailgate body; 2. erecting a frame; 3. a transverse frame beam; 4. a reinforcing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, 5 and 6, the dumper tailgate structure comprises a plate-shaped tailgate body 1, vertical frames 2 located at two ends of the tailgate body 1, and a transverse frame beam 3 located at the upper end and the lower end of the tailgate body 1, wherein the cross section of the tailgate body 1 is formed by an arc-shaped section and straight-line sections at two ends of the arc-shaped section, the end of each straight-line section is bent and extended to form a bent part, and the bent part is perpendicular to the straight-line sections; the transverse frame beam 3 is in a long strip shape, the cross section of the transverse frame beam 3 is in an L shape, wherein the horizontal edge of the transverse frame beam 3 is fixed on the bent part of the straight line section of the rear breast board main body 1, the vertical edge of the transverse frame beam 3 is parallel to the straight line section of the rear breast board main body 1, the end part of the vertical edge of the transverse frame beam 3 is provided with a supporting bevel edge, and the end part of the supporting bevel edge abuts against the joint of the arc section and the straight line section of the rear breast board main body 1; the vertical frame 2 and the transverse frame beam 3 are fixed together. The rear breast board main body 1 can be directly fixed on the transverse frame beam 3 and then jointly forms a frame structure with the vertical frame 2, so that the reinforcing rib parts in the field lattice structure in the prior art are reduced, and the aim of reducing the dead weight is fulfilled.
The utility model can punch the middle part of the plate into arc shape by the existing punching machine, the two ends of the arc form the straight line end, thereby form the shape of the main body 1 of the rear breast board, then bend the end part of the straight line end by 90 degrees by the bending machine to form the bending part, the bending part can be used for bearing the transverse frame beam, as shown in figure 5, the transverse frame beam 3 comprises the edge with L-shaped cross section and the supporting bevel edge, then forms the bending part with the main body 1 of the rear breast board, the straight line forms the quadrangular beam together, the L-shaped edge is lapped on the surface of the bending part and then can be welded together, the supporting bevel edge of the transverse frame beam 3 is propped against the joint of the arc section and the straight line section of the main body 1 of the rear breast board, or the supporting bevel edge of the transverse frame beam 3 can be propped against the straight line end directly, the butt joint can also be connected by spot welding, the supporting bevel, less materials are used, the improvement of light weight is carried out under the condition of ensuring the strength, the welding spots on the surface of the rear breast board main body 1 are reduced, and the product quality is ensured.
As shown in fig. 2, 4 and 7, the arc sections at the two ends of the tailgate body 1 are fixed with the reinforcing plates 4, the reinforcing plates 4 are composed of straight edges and arc edges, the straight edges of the reinforcing plates 4 are flush with the straight line sections of the tailgate body 1, the arc edges of the tailgate body 1 are attached to the ends of the arc sections of the tailgate body 1, and the side surfaces of the reinforcing plates 4 are fixed with the vertical frames 2.
The tailgate body 1 can be made by high strength material, and stamping forming's arc structure cooperation reinforcing plate 4 uses, has higher self intensity compared in planar structure. The vacancy at the both ends of 1 segmental arc of back breast board main part can be filled to its reinforcing plate 4, and the arc limit of reinforcing plate 4 is in the same place in the welding after laminating with the arcwall face of the segmental arc of back breast board main part, conveniently erects the connection of frame.
As shown in fig. 3, the extending direction of the bent portion is opposite to the concave surface of the arc-shaped segment. The transverse frame beam is convenient to bear, and the strength is improved.
As shown in fig. 1, 4 and 5, the vertical frame 2 is strip-shaped, the cross section of the vertical frame 2 is U-shaped, one inner side wall of the vertical frame 2 is fixedly connected with two straight line sections of the tailgate body 1, and the other inner side wall of the vertical frame 2 is fixedly connected with the vertical edge of the horizontal frame beam 3. The U-shaped cross section structure of erecting frame 2 can hold the tip of back breast board main part 1 and horizontal frame roof beam 3, and its position of erecting frame and back breast board main part 1 and the contact of horizontal frame roof beam 3 can weld together, guarantees its joint strength, makes things convenient for holistic assembly, and the machining error requires to reduce, and processing is more convenient, by the utility model discloses a back breast board main part 1, erect frame 2, horizontal frame roof beam 3, the back breast board structure that the reinforcing plate formed, the bulk strength is higher, receives the impact effect good, non-deformable, and weight reduction makes the weight of whole car also can reduce.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A dumper tailgate structure comprises a platy tailgate main body (1), vertical frames (2) positioned at two ends of the tailgate main body (1), and transverse frame beams (3) positioned at the upper end and the lower end of the tailgate main body (1), and is characterized in that the shape of the cross section of the tailgate main body (1) is formed by an arc-shaped section and straight sections at two ends of the arc-shaped section, the end parts of the straight sections are bent and extended to form bent parts, and the bent parts are perpendicular to the straight sections;
the cross frame beam (3) is long, the cross section of the cross frame beam (3) is L-shaped, the horizontal edge of the cross frame beam (3) is fixed on the bending part of the straight line section of the rear breast board main body (1), the vertical edge of the cross frame beam (3) is parallel to the straight line section of the rear breast board main body (1), the end part of the vertical edge of the cross frame beam (3) is provided with a supporting bevel edge, and the end part of the supporting bevel edge abuts against the joint of the arc section and the straight line section of the rear breast board main body (1);
the vertical frame (2) and the transverse frame beam (3) are fixed together.
2. The dumper tailgate structure according to claim 1, wherein reinforcing plates (4) are fixed to arc-shaped sections at two ends of the tailgate body (1), each reinforcing plate (4) comprises a straight edge and an arc-shaped edge, the straight edges of the reinforcing plates (4) are flush with the straight line sections of the tailgate body (1), the arc-shaped edges of the tailgate body (1) are attached to the ends of the arc-shaped sections of the tailgate body (1), and the side surfaces of the reinforcing plates (4) are fixed to the vertical frames (2).
3. The rear rail structure of a dump truck as claimed in claim 1, wherein the extending direction of the bent part is opposite to the concave surface of the arc-shaped section.
4. The dumper tailgate structure according to claim 1, 2 or 3, wherein the vertical frame (2) is long-strip-shaped, the cross section of the vertical frame (2) is U-shaped, one inner side wall of the vertical frame (2) is fixedly connected with two straight line sections of the tailgate body (1), and the other inner side wall of the vertical frame (2) is fixedly connected with a vertical edge of the transverse frame beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021491343.XU CN212579713U (en) | 2020-07-24 | 2020-07-24 | Rear breast board structure of dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021491343.XU CN212579713U (en) | 2020-07-24 | 2020-07-24 | Rear breast board structure of dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212579713U true CN212579713U (en) | 2021-02-23 |
Family
ID=74657627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021491343.XU Active CN212579713U (en) | 2020-07-24 | 2020-07-24 | Rear breast board structure of dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212579713U (en) |
-
2020
- 2020-07-24 CN CN202021491343.XU patent/CN212579713U/en active Active
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