Steel-aluminum mixed logistics vehicle top cover framework structure

Abstract

The utility model relates to the field of whole automobile manufacturing, and discloses a steel and aluminum mixed logistics vehicle top cover framework structure which comprises a top cover framework assembly, and the top cover framework assembly is formed by installing a plurality of top cover cross beams and top cover framework sub-assemblies. The top cover framework sub-assembly is formed by welding a top cover framework front section assembly, a top cover left side longitudinal beam, a top cover right side longitudinal beam and a top cover rear cross beam, and the top cover cross beam comprises three types of top cover cross beam structures, namely a top cover cross beam structure I, a top cover cross beam structure II and a top cover cross beam structure III; the first top cover cross beam structure and the second top cover cross beam structure adopt steel stamping parts, the third top cover cross beam structure adopts an aluminum alloy extrusion process, a mature stamping process and a common riveting process, three types of logistics vehicle top cover framework assembly structures of steel-aluminum mixed and all-aluminum structures are displayed, and the logistics vehicle top cover framework assembly has the advantages of being small in development investment, simple in manufacturing process, high in cost performance and the like. And the weight is light.

Description

Technical Field

[0001] The utility model relates to the field of automobile whole vehicle manufacturing, in particular to a steel-aluminum mixed roof cover skeleton structure of a logistics vehicle. Background Art

[0002] Aluminum alloy vehicle body structures have attracted wide attention due to their advantages such as light weight, environmental protection and recyclability. Aluminum alloy extruded profiles have rich cross-sectional designs due to their molding process, and steel stamping parts are widely used due to their mature process. The traditional logistics vehicle roof frame adopts a stamping and welding structure, which has high investment and heavy weight. This affects the improvement of the logistics vehicle's load quality. Therefore, it is necessary to provide a lightweight roof frame that combines a stamping structure and an aluminum extrusion structure to solve the above problems.

[0003] Patent No. CN215752645U discloses a skeleton structure of a new energy logistics vehicle, characterized in that it includes a lower body skeleton, side enclosure skeletons arranged on both sides, a roof skeleton is arranged above the side enclosure skeleton, the front and rear ends of the side enclosure skeletons are respectively arranged with a front cabin skeleton and a rear door frame skeleton, and a partition skeleton is arranged between the side enclosure skeletons near the front cabin, and the side enclosure skeletons, the roof skeleton, the rear door frame skeleton and the partition skeleton are all made of hollow aluminum. The skeleton structure of the utility model of a new energy logistics vehicle has a simple structure, realizes lightweight, saves assembly and maintenance costs, has strong practicality and good application prospects; the patent structure type is single, lacks the characteristics of low development investment, simple manufacturing process, light weight, etc., and has three types of logistics vehicle roof skeleton assembly structure types of steel-aluminum hybrid and all-aluminum structures suitable for different production processes to solve the problem that the traditional logistics vehicle roof skeleton adopts a stamping and welding structure, which has high investment and large weight. Affecting the improvement of the quality of logistics vehicles. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a steel-aluminum mixed roof frame structure for a logistics vehicle, which solves the problems raised in the above-mentioned background technology.

[0005] To solve the above technical problems, according to one aspect of the utility model, more specifically a steel-aluminum mixed logistics vehicle roof frame structure, including a roof frame assembly, the roof frame assembly includes a plurality of roof cross beams and a roof frame sub-assembly installed, the roof frame sub-assembly includes a roof frame front section assembly, a roof left longitudinal beam, a roof right longitudinal beam, and a roof rear cross beam welded together.

[0006] Furthermore, the roof cross beam includes three roof cross beam structures, namely, roof cross beam structure one, roof cross beam structure two, and roof cross beam structure three.

[0007] Furthermore, the top cover crossbeam structure 1 is made of steel stamping parts, and the top cover bonding surface is stamped with glue groove features, and rivet holes are punched out on the connecting surfaces at both ends. The left longitudinal beam of the top cover and the right longitudinal beam of the top cover have corresponding rivet holes processed on them. The top cover crossbeam structure 1 is riveted together with the top cover frame sub-assembly through SPR rivets and blind rivets to form the first top cover frame assembly.

[0008] Furthermore, the second top cover crossbeam structure is made of steel stamping parts, and the bonding surface with the top cover is stamped out with glue groove features;

[0009] Rivet holes are punched out on the connecting surfaces at both ends, and corresponding rivet holes are processed on the left longitudinal beam of the top cover and the right longitudinal beam of the top cover. The second top cover crossbeam structure is riveted together with the top cover frame sub-assembly through SPR rivets to form a second top cover frame assembly.

[0010] Furthermore, the top cover crossbeam structure three is made of aluminum alloy extrusion, and the bonding surface with the top cover is extruded to form a glue coating groove feature;

[0011] The roof crossbeam structure three is welded together with the roof frame sub-assembly by welding to form a third roof frame assembly.

[0012] The beneficial effects of the steel-aluminum mixed logistics vehicle roof frame structure of the utility model are:

[0013] The utility model utilizes aluminum alloy extrusion technology, mature stamping technology, and commonly used riveting technology to demonstrate three types of logistics vehicle roof frame assembly structures of steel-aluminum hybrid and all-aluminum structure. It has many advantages such as small development investment, simple manufacturing process, and light weight. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a structural schematic diagram of the top cover frame sub-assembly in the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0017] Figure 3 For this utility model Figure 2 The schematic diagram of the structure after the enlargement of A in the middle;

[0018] Figure 4 This is a structural schematic diagram of the top cover crossbeam structure 1 in the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the second embodiment of the present utility model;

[0020] Figure 6 For this utility model Figure 5 The schematic diagram of the structure after the enlargement of B in the middle;

[0021] Figure 7 This is a schematic diagram of the structure of the second top cover beam structure in the utility model;

[0022] Figure 8 This is a schematic diagram of the structure of the second embodiment of the present utility model;

[0023] Fig. 9 For this utility model Figure 8 The schematic diagram of the structure after enlargement at C in the middle;

[0024] Fig.10 It is a structural schematic diagram of the top cover crossbeam structure three in the utility model;

[0025] Fig.11 It is a cross-sectional view of the top cover cross beam structure three in the utility model.

[0026] In the figure: 1. Front section assembly of top cover frame; 2. Left longitudinal beam of top cover; 3. Right longitudinal beam of top cover; 4. Rear cross beam of top cover; 5. Sub-assembly of top cover frame; 6. Cross beam structure one of top cover; 7. Assembly of top cover frame; 8. SPR rivets; 9. Blind rivets; 10. Cross beam structure two of top cover; 11. Cross beam structure three of top cover. DETAILED DESCRIPTION

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0028] like Figure 1-11 As shown, according to one aspect of the utility model, a steel-aluminum hybrid logistics vehicle roof frame structure is provided, including a roof frame assembly 7, the roof frame assembly 7 includes a plurality of roof cross beams and a roof frame sub-assembly 5 installed, the roof frame sub-assembly 5 includes a roof frame front section assembly 1, a roof left longitudinal beam 2, a roof right longitudinal beam 3, and a roof rear cross beam 4 welded together.

[0029] In this embodiment, the top cover beam includes three top cover beam structures, namely, top cover beam structure 1 6, top cover beam structure 2 10, top cover beam structure 3 11.

[0030] Embodiment 1

[0031] like Figure 2-4As shown, the top cover crossbeam structure 6 is made of steel stamping parts, and the bonding surface with the top cover is stamped with glue groove features, and rivet holes are punched out on the connecting surfaces at both ends. The left longitudinal beam 2 of the top cover and the right longitudinal beam 3 of the top cover have corresponding rivet holes processed on them. The top cover crossbeam structure 6 is riveted together with the top cover frame sub-assembly 5 by SPR rivets 8 and blind rivets 9 to form a first type of top cover frame assembly 7.

[0032] Embodiment 2

[0033] like Figure 5-7 As shown, the top cover crossbeam structure 2 10 is made of steel stamping parts, and the bonding surface with the top cover is stamped out with glue groove features;

[0034] Rivet holes are punched out on the connecting surfaces at both ends, and corresponding rivet holes are processed on the left longitudinal beam 2 and the right longitudinal beam 3 of the top cover. The second top cover crossbeam structure 10 is riveted together with the top cover frame sub-assembly 5 through SPR rivets 8 to form a second top cover frame assembly 7.

[0035] Embodiment 3

[0036] like Figure 8-11 As shown, the top cover crossbeam structure 3 11 is made of aluminum alloy extrusion, and the bonding surface with the top cover is extruded to form a glue coating groove feature;

[0037] The top cover cross beam structure 11 is welded together with the top cover frame sub-assembly 5 to form a third top cover frame assembly 7.

[0038] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. A steel-aluminum mixed roof frame structure of a logistics vehicle, comprising a roof frame assembly (7), characterized in that: The top cover frame assembly (7) includes a plurality of top cover cross beams installed with a top cover frame sub-assembly (5), and the top cover frame sub-assembly (5) includes a top cover frame front section assembly (1), a top cover left longitudinal beam (2), a top cover right longitudinal beam (3), and a top cover rear cross beam (4) welded together.

2. The steel-aluminum mixed logistic vehicle roof frame structure according to claim 1 is characterized by: The roof cross beam includes three types of roof cross beam structures, namely, roof cross beam structure one (6), roof cross beam structure two (10), and roof cross beam structure three (11).

3. The steel-aluminum mixed logistic vehicle roof frame structure according to claim 2 is characterized by: The top cover cross beam structure 1 (6) is made of steel stamping parts, and has a glue groove feature punched out on the bonding surface of the top cover. Rivet holes are punched out on the connecting surfaces at both ends. The left longitudinal beam (2) of the top cover and the right longitudinal beam (3) of the top cover have corresponding rivet holes processed on them. The top cover cross beam structure 1 (6) is riveted together with the top cover frame sub-assembly (5) through SPR rivets (8) and blind rivets (9) to form a first type of top cover frame assembly (7).

4. The steel-aluminum mixed logistic vehicle roof frame structure according to claim 2 is characterized by: The second top cover cross beam structure (10) is made of steel stamping parts, and the bonding surface with the top cover is stamped out with glue groove features; Rivet holes are punched out on the connecting surfaces at both ends, and corresponding rivet holes are processed on the left longitudinal beam (2) and the right longitudinal beam (3) of the top cover. The second top cover cross beam structure (10) is riveted together with the top cover frame sub-assembly (5) through SPR rivets (8) to form a second top cover frame assembly (7).

5. The steel-aluminum mixed logistic vehicle roof frame structure according to claim 2 is characterized by: The top cover cross beam structure three (11) is made of aluminum alloy extrusion, and the bonding surface with the top cover is extruded to form a glue coating groove feature; The roof crossbeam structure three (11) is welded together with the roof frame sub-assembly (5) to form a third roof frame assembly (7).

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