Integrated frame tail cross beam matched with heavy truck tractor

Abstract

The utility model relates to an integrated frame tail cross beam matched with a heavy truck tractor, and aims to design a heavy truck frame light-weight cross beam for redundancy elimination optimization. On the basis of an existing cross beam assembly formed by bending a plurality of metal plates and connecting the metal plates through bolts, redundancy elimination optimization is conducted on materials, the weight of materials of overlapped parts in the cross beam assembly and the weight of standard parts are reduced, and the purpose of light weight of a frame is achieved. A metal plate with holes punched and outlines cut in advance is integrally formed through step-by-step die stamping, the three surfaces formed through stamping are connected with a frame longitudinal beam and comprise the upper wing face, the side breadth face and the lower wing face, lightening holes are punched in the side breadth face right ahead, and the other faces are filled with installation holes. And a weight reduction space is reserved between the left side breadth, the right side breadth, the right front side breadth and the lower wing surface. The weight of the whole heavy truck is further reduced, so that the fuel economy of the whole truck is improved.

Description

Technical Field

[0001] The utility model relates to a vehicle frame tail cross beam, in particular to an integrated vehicle frame tail cross beam matched with a heavy truck tractor. Background Art

[0002] The frame of a heavy-duty truck is generally composed of two long longitudinal beams and several cross beams. The development direction of lightweight heavy-duty trucks requires that the frame, as a heavier subsystem, needs to be reduced in structure. The outline and size of the cross beam structure of heavy-duty trucks have been gradually reduced in recent years. Under the premise of ensuring the strength of the frame, it is difficult to further reduce the overall size. Utility Model Content

[0003] The purpose of this utility model is to design a lightweight crossbeam for a heavy-duty truck frame that is optimized for redundancy removal. Based on the existing crossbeam assembly, which is made of multiple bent and bolted metal plates, this method uses material redundancy optimization to reduce the weight of overlapping materials and standard components within the crossbeam assembly, thereby achieving the goal of lightweighting the frame.

[0004] The utility model is realized by the following technical solutions:

[0005] An integrated frame tail crossbeam for heavy-duty truck tractors is formed by step-by-step die stamping of pre-punched and pre-cut metal plates. The three stamped surfaces are connected to the frame longitudinal beams: the upper wing surface, the side panels, and the lower wing surface. The front side panel is punched with weight-reducing holes, and the remaining surfaces are filled with mounting holes. Weight-reducing space is left between the left and right panels, the front side panel, and the lower wing surface.

[0006] The utility model proposes a lightweight transformation plan for the tail crossbeam of a heavy truck frame by applying the concept of redundancy elimination optimization, which further reduces the weight of the entire heavy truck and achieves the effect of improving the fuel economy of the entire vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the installation of components of the existing beam;

[0008] Figure 2 It is a schematic structural diagram of the utility model. DETAILED DESCRIPTION

[0009] When two metal parts are fastened together using connectors, they require several bolts and other fasteners. This creates overlap between the metal parts, but the presence or absence of this overlap does not improve the overall performance of the metal parts. Based on this concept of redundancy reduction, assemblies made of multiple metal parts are integrated to reduce the weight of the overlap and bolts, achieving lightweight design while maintaining the same overall dimensions and maintaining the same structural performance.

[0010] The utility model adopts a redundancy-removing method to optimize the lightness of the existing most commonly used single beam and multi-ribbed spliced ​​tail beam. Figure 1 The overlapping parts of multiple ribs and beams are removed, so that they are combined with the main body of the beam to form a single metal plate. Through step-by-step die stamping, the metal plates with pre-punched holes and cut contours are integrated into a single shape.

[0011] See Figure 1 、 2 This utility model is primarily constructed from a single sheet of metal, with the contours cut and mounting and weight-reducing holes punched, that is then stamped in a die. Three stamped surfaces connect to the frame rails: 1. Upper wing surface; 2. Side panels; 3. Lower wing surface.

[0012] The utility model reduces the weight of the metal in the overlapping part of the crossbeam and the weight of the standard parts. The new solution requires minimal modification to the existing heavy truck frame and does not change the profile and size of the existing crossbeam assembly at all, while achieving the same structural performance as the weight-reduced front crossbeam.

Claims

1. An integrated frame tail beam for a heavy-duty truck tractor, characterized by: The frame tail crossbeam is formed by step-by-step die stamping of pre-punched and pre-cut metal plates. The three stamped surfaces are connected to the frame longitudinal beams, namely: the upper wing surface, the side surface and the lower wing surface. The side surface directly in front is punched with weight-reducing holes, and the remaining surfaces are filled with mounting holes. Weight-reducing space is left between the left and right sides and the side surface directly in front and the lower wing surface.

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