A modular assembly lightweight carriage

Abstract

The present invention discloses a modular assembly lightweight carriage, which relates to the technical field of truck carriages. The carriage is divided into six modules, and each module is independently manufactured and then assembled; when some or all of the six modules use corrugated board as the carriage skin, the corrugated board assembly is first manufactured, and then the corrugated board assembly and other parts are assembled to form a module. The corrugated board assembly includes a corrugated board, a connecting groove on the corrugated board, and a lower connecting groove on the corrugated board. The connecting groove on the corrugated board and the lower connecting groove on the corrugated board fix the upper and lower ends of the corrugated board respectively. The corrugated board assembly is connected to the beam above the corrugated board assembly through the connecting groove on the corrugated board, and is connected to the beam below the corrugated board assembly through the lower connecting groove on the corrugated board. Each module of the present invention can be assembled and deformed according to market demand functions, and the module interface is fixed, so the design can be completed quickly. The carriage skin can be made of aluminum alloy, non-metallic material or lightweight metal material, which greatly reduces the weight of the carriage.

Description

Technical Field

[0001] The invention relates to the technical field of freight car bodies, and in particular to a modular assembly lightweight car body. Background Art

[0002] The development of trucks aims at energy conservation, environmental protection and economic benefits. Traditional truck compartments are made of steel, which is heavy and energy-intensive. The existing weight reduction scheme uses aluminum plates or color steel plates with plastic foam in the middle. Among them, plastic foam pollutes the environment during production and scrapping. The existing production process of truck compartments is to assemble parts directly into an assembly, and the production cycle is relatively slow. Summary of the invention

[0003] In view of the shortcomings of existing truck carriages in terms of material selection, manufacturing method and production process, the present invention proposes a modular assembly lightweight carriage, which can use aluminum alloy, non-metallic materials or lightweight metal materials to manufacture independent modules and then carry out overall assembly.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A modular assembly lightweight carriage, comprising a front wall module, a rear wall module, a left wall module, a right wall module, a roof module and a bottom plate module, each module being independently manufactured and then assembled; some or all of the six modules use corrugated board components as carriage skins;

[0006] The corrugated board assembly comprises a corrugated board, a connecting groove on the corrugated board and a connecting groove below the corrugated board. The connecting groove on the corrugated board and the connecting groove below the corrugated board respectively fix the upper and lower ends of the corrugated board. The corrugated board assembly is connected to the beam above the corrugated board assembly through the connecting groove on the corrugated board and is connected to the beam below the corrugated board assembly through the connecting groove below the corrugated board.

[0007] Furthermore, the upper connecting groove on the corrugated board and the lower connecting groove on the corrugated board both include a through groove for accommodating the corrugated board, the through groove is riveted to the corrugated board, a side wall of the through groove extends back to the corrugated board to form a vertical first connecting surface, and the bottom surface of the through groove extends in a horizontal direction to form a horizontal second connecting surface; the corrugated board assembly is riveted and fixed to the beam above the corrugated board assembly through the first connecting surface and the second connecting surface of the connecting groove on the corrugated board, and the corrugated board assembly is riveted and fixed to the beam below the corrugated board assembly through the first connecting surface and the second connecting surface of the lower connecting groove on the corrugated board.

[0008] Furthermore, the corrugated board assembly also includes an outer sealing cover plate and an inner sealing cover plate riveted to the lower connecting groove of the corrugated board. The outer sealing cover plate and the inner sealing cover plate respectively close the gap between the corrugated board and the lower connecting groove of the corrugated board from the front and rear sides of the corrugated board, and sealant is used to fill the gap between the corrugated board and the outer sealing cover plate, and between the corrugated board and the inner sealing cover plate to prevent water from entering the groove.

[0009] Furthermore, a column is connected to each side of the corrugated board assembly, and the edge of the corrugated board is bent 90 degrees and then riveted to the column.

[0010] Furthermore, two adjacent corrugated boards in the same corrugated board assembly are overlapped, one of the corrugated boards is recessed at the overlap by the thickness of one corrugated board and then overlapped with the other corrugated board, and then the overlap of the two corrugated boards is riveted together.

[0011] Furthermore, the front wall module, the left wall module and the right wall module all include corrugated board components; the front wall module also includes a front wall frame composed of a front wall upper crossbeam, a front wall lower crossbeam, a front wall left column and a front wall right column, and the corrugated board component of the front wall module is connected to the front wall frame on all sides; the rear wall module includes a rear wall frame composed of a rear wall upper crossbeam, a rear wall lower crossbeam, a rear wall left column and a rear wall right column, and the rear wall frame is hinged with two door panel components; a door panel component is provided in the middle of the right wall module, and the corrugated board components are provided on both sides of the door panel component; the top cover module includes a top plate, two top cover longitudinal beams and a plurality of top cover cross beams located between the two top cover longitudinal beams for supporting the top plate; the bottom plate module includes a bottom plate and a bottom plate frame composed of a plurality of bottom plate cross beams and a plurality of bottom plate longitudinal beams for supporting the bottom plate;

[0012] The front and rear ends of the bottom plate module are respectively welded to the front wall lower cross beam of the front wall module and the rear wall lower cross beam of the rear wall module, and the front and rear ends of the top cover module are respectively welded to the front wall cross beam of the front wall module and the rear wall cross beam of the rear wall module; the left wall module and the right wall module are riveted to the top cover longitudinal beam of the top cover module through the connecting groove on the corrugated plate, and the left wall module and the right wall module are riveted to the bottom plate longitudinal beam of the bottom plate module through the connecting groove under the corrugated plate. The edges of the corrugated plates of the left wall module and the right wall module are bent 90° and riveted to the columns of the front wall module and the rear wall module respectively, thereby completing the overall assembly of the car body.

[0013] Furthermore, the door panel assembly includes a corrugated board, an outer sealing cover plate, an L-shaped folding plate and a door frame. The door frame is composed of an upper frame, a lower frame and two left and right side frames. An L-shaped folding plate is riveted to each of the upper and lower ends of the corrugated board. The L-shaped folding plate at the upper end of the corrugated board is riveted to the upper frame, and the L-shaped folding plate at the lower end of the corrugated board is riveted to the lower frame. The left and right edges of the corrugated board are bent 90° and riveted to the left and right frames respectively; the outer sealing cover plate seals the gap between the corrugated board and the L-shaped folding plate, and the gap between the corrugated board and the outer sealing cover plate is filled with sealant.

[0014] Furthermore, the right wall module has a door panel assembly for a single door, and the door frame of the door panel assembly is surrounded by sound-absorbing and waterproof rubber strips; the rear wall module has two door panel assemblies for double doors, and the gap between the rear wall frame and the two door panel assemblies, as well as the gap between the two door panel assemblies, are provided with sound-absorbing and waterproof rubber strips.

[0015] The present invention has the following beneficial effects:

[0016] The carriage frame of the present invention adopts an all-aluminum structure design, and the carriage skin can be made of aluminum alloy, non-metallic material or light metal material. Compared with ordinary steel carriages, the weight is reduced by more than 45%; compared with composite material carriages, this design is more environmentally friendly, the weight is also reduced, and the strength, rigidity and durability of the carriage are better; compared with all-aluminum carriages, the skin of this design can be connected with aluminum alloy, non-metallic material or light metal material, the application range is wider, the assembly method is more optimized, and the sealing and waterproofing of the carriage are more reliable.

[0017] The existing truck carriages have a single material selection, insufficient production methods, and a production process that directly assembles parts into an assembly, resulting in a slow production cycle. This design aims to save energy, protect the environment, and improve economic benefits. The carriages are modularly manufactured and integrated with aluminum alloy, non-metallic materials or lightweight metal materials, which improves actual production efficiency. Each module can be assembled and deformed according to market demand and function, and the module interface is fixed to quickly complete the design. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The general assembly drawing of the modular assembly lightweight carriage is shown;

[0019] Figure 2 yes Figure 1 Another angle view of

[0020] Figure 3 It is an exploded schematic diagram of the carriage;

[0021] Figure 4 is a top view of the base module;

[0022] Figure 5 is along Figure 4 Sectional view of the mid-CC line;

[0023] Figure 6 yes Figure 5 The enlarged view of point D in the middle;

[0024] Figure 7 is a schematic diagram of the rear wall module;

[0025] Figure 8 is along Figure 7 Sectional view along line AA;

[0026] Fig. 9 is along Figure 7 Sectional view along the midline BB;

[0027] Fig.10 yes Figure 8 Enlarged view of point E in the middle;

[0028] Fig.11 is the front view of the front wall module;

[0029] Fig.12 is the rear view of the front wall module;

[0030] Fig.13 is the front view of the top cover module;

[0031] Fig.14 is a schematic diagram of the right wall module;

[0032] Fig.15 yes Fig.14 Schematic diagram from another angle;

[0033] Fig.16 is a schematic diagram of the left wall module;

[0034] Fig.17 is an exploded schematic diagram of a corrugated board assembly;

[0035] Fig.18 It is a schematic diagram of the connection between the corrugated board and the column;

[0036] Fig.19 It is a schematic diagram of the connection between two adjacent corrugated boards. DETAILED DESCRIPTION

[0037] The present invention will now be further described with reference to the accompanying drawings and specific implementation methods.

[0038] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] like Figures 1 to 3 As shown, a modular assembly lightweight carriage includes a front wall module 1, a rear wall module 2, a left wall module 3, a right wall module 4, a roof module 5 and a bottom plate module 6. Each module is independently manufactured and then assembled. When some or all of the six modules use corrugated board 71 as the carriage skin, the corrugated board assembly 7 is first manufactured, and then the corrugated board assembly 7 and other parts are assembled to form a module.

[0040] like Fig.11 , Figures 15 to 17 As shown, the corrugated board assembly 7 includes a corrugated board 71, a plurality of corrugated board support members 72, a connecting groove 73 on the corrugated board, and a connecting groove 74 below the corrugated board. The corrugated board support member 72 includes a plurality of transverse support members 721 and a plurality of longitudinal support members 722, and the transverse support members 721 and the longitudinal support members 722 overlap each other and are fixed by welding. The corrugated board support member 72, the connecting groove 73 on the corrugated board, and the connecting groove 74 below the corrugated board are assembled to form a supporting frame of the corrugated board assembly 7, and the corrugated board support member 72 is connected to the connecting groove 73 on the corrugated board and the connecting groove 74 below the corrugated board by rivets 16. The connecting groove 73 on the corrugated board and the connecting groove 74 below the corrugated board fix the upper and lower ends of the corrugated board 71 respectively, and the corrugated board support member 72 is fixed and bonded to one side of the corrugated board 71 by glue.

[0041] like Fig.18 As shown, two adjacent corrugated boards 71 ​​in the same corrugated board assembly 7 are overlapped, one of the corrugated boards 71 ​​is recessed at the overlapped portion by the thickness of the corrugated board 71 and then overlapped with the other corrugated board 71. In this embodiment, the recessed thickness is 1 mm, and then the overlapped portions of the two corrugated boards 71 ​​are riveted together. A column is connected to each side of the corrugated board assembly to fix the two sides of the corrugated board, such as Fig.19 As shown, when the corrugated board 71 is connected to the column, the edge of the corrugated board 71 is first bent 90 degrees and then riveted to the column.

[0042] like Fig.17 As shown, the upper connecting groove 73 of the corrugated board and the lower connecting groove 74 of the corrugated board both include through grooves for accommodating the corrugated board 71, and the through grooves are riveted to the corrugated board 71. One side wall of the through groove extends away from the corrugated board 71 to form a vertical first connecting surface M1, and the bottom surface of the through groove extends in the horizontal direction to form a horizontal second connecting surface M2. The first connecting surface M1 and the second connecting surface M2 of the connecting groove 73 on the corrugated board are respectively riveted and fixed to the two surfaces of the beam above the corrugated board assembly 7. The first connecting surface M1 and the second connecting surface M2 of the lower connecting groove 74 of the corrugated board are respectively riveted and fixed to the two surfaces of the beam below the corrugated board assembly 7. The corrugated board assembly 7 is riveted and fixed to the beam above the corrugated board assembly 7 through the connecting groove 73 on the corrugated board, and the corrugated board assembly 7 is riveted and fixed to the beam below the corrugated board assembly 7 through the lower connecting groove 74 of the corrugated board.

[0043] like Fig.17As shown, the corrugated board assembly 7 also includes an outer sealing cover plate 75 and an inner sealing cover plate 76 riveted on the lower connecting groove 74 of the corrugated board. The outer sealing cover plate 75 and the inner sealing cover plate 76 respectively close the gap between the corrugated board 71 and the lower connecting groove 74 of the corrugated board from the front and rear sides of the corrugated board 71, and use sealant to fill the gap between the corrugated board 71 and the outer sealing cover plate 75, and the gap between the corrugated board 71 and the inner sealing cover plate 76 to prevent water from entering the groove, thereby preventing water from entering the car compartment.

[0044] like Fig.11 and Fig.12 As shown, the front wall module 1 includes a corrugated board assembly 7 and a front wall frame formed by welding a front wall upper crossbeam 11, a front wall lower crossbeam 12, a front wall left column 13 and a front wall right column 14. The corrugated board assembly 7 of the front wall module 1 is riveted and fixed to the front wall crossbeam 11 through a connecting groove 73 on the corrugated board, and is riveted and fixed to the front wall lower crossbeam 12 through a connecting groove 74 under the corrugated board. The edge of the corrugated board 71 of the corrugated board assembly 7 is bent 90° and riveted and fixed to the front wall left column 13 or the front wall right column 14, thereby connecting the four sides of the corrugated board assembly 7 to the front wall frame.

[0045] like Figure 7 As shown, the rear wall module 2 includes a rear wall frame formed by welding a rear wall upper crossbeam 21, a rear wall lower crossbeam 22, a rear wall left column 23 and a rear wall right column 24, and the rear wall frame is hinged with two door panel assemblies of the biparting door through door hinges 8. More specifically, the two door panel assemblies are hinged with the rear wall left column 23 and the rear wall right column 24 through the door hinges 8, respectively.

[0046] like Fig.14 and Fig.15 As shown, the right wall module 4 includes a door panel assembly of a single door in the middle and two corrugated board assemblies 7 located on both sides of the door panel assembly. A left door panel column 41 and a right door panel column 42 are respectively provided on both sides of the door panel assembly. The left door panel column 41 and the right door panel column 42 are respectively connected to the corrugated board assembly 7 next to them, specifically, the edge of the corrugated board 71 is bent 90° and then fixedly connected to the left door panel column 41 or the right door panel column 42 through a rivet 16, and the door panel assembly is hinged to the right door panel column 42 through a door hinge 8.

[0047] like Figure 7 and Fig.15As shown, the door panel assembly includes a corrugated board 71, an outer sealing cover plate 75, an L-shaped folding plate 10 and a door frame 15. The door frame 15 is welded and formed by an upper frame 151, a lower frame 152 and two left and right side frames 153 and 154. An L-shaped folding plate 10 is riveted to each of the upper and lower ends of the corrugated board 71. The L-shaped folding plate 10 at the upper end of the corrugated board 71 is riveted to the upper frame 151, and the L-shaped folding plate 10 at the lower end of the corrugated board 71 is riveted to the lower frame 152. The left and right edges of the corrugated board 71 are bent 90 degrees and riveted to the left frame 153 and the right frame 154 respectively.

[0048] In order to make the door panel assembly stronger and more solid, a corrugated board support member 72 may be added to the door panel assembly as needed. Figure 8 As shown, a plurality of transverse support members 721 are provided on one side of the door panel assembly on the rear wall module, and the left and right ends of these transverse support members 721 are respectively welded to the left and right side frames of the door frame 15, and these transverse support members 721 are bonded to the corrugated board 71 by glue.

[0049] In order to prevent water from entering the compartment, an outer sealing cover plate 75 is used to seal the gap between the corrugated plate 71 and the L-shaped folding plate 10 on the outer side of the door panel assembly, and the gap between the corrugated plate 71 and the outer sealing cover plate 75 is filled with sealant. Figures 7 to 10 , Fig.14 As shown, sound-absorbing and waterproof rubber strips 9 are provided in the gap between the rear wall frame and the two door panel assemblies, as well as in the gap between the two door panel assemblies, and the sound-absorbing and waterproof rubber strips 9 are fixed on the door frame 15; sound-absorbing and waterproof rubber strips 9 are also provided around the door frame 15 of the door panel assembly of the right wall module 4.

[0050] See also Fig.16 In this embodiment, the left wall module 3 is a whole corrugated board assembly 7. Fig.13 The roof module 5 includes a roof plate 51, two roof longitudinal beams 52, and a plurality of roof cross beams 53 located between the two roof longitudinal beams 52 for supporting the roof plate 51. Figures 4 to 6 The bottom plate module 6 includes a bottom plate 61 and a bottom plate 61 frame composed of a plurality of bottom plate cross beams 62 and a plurality of bottom plate longitudinal beams 63 for supporting the bottom plate 61 . Two adjacent bottom plates 61 are fixed by an L-shaped folding plate member 10 .

[0051] After each module is independently manufactured, the front and rear ends of the bottom plate module 6 are respectively welded to the front wall lower cross beam 12 of the front wall module 1 and the rear wall lower cross beam 22 of the rear wall module 2, and the front and rear ends of the top cover module 5 are respectively welded to the front wall upper cross beam 11 of the front wall module 1 and the rear wall upper cross beam 21 of the rear wall module 2; then, the left wall module 3 and the right wall module 4 are riveted to the top cover longitudinal beam 52 of the top cover module 5 through the connecting groove 73 on the corrugated plate, and the left wall module 3 and the right wall module 4 are riveted to the bottom plate longitudinal beam 63 of the bottom plate module 6 through the lower connecting groove 74 of the corrugated plate, and the edges of the corrugated plates 71 of the left wall module 3 and the right wall module 4 are bent 90° and riveted to the columns of the front wall module 1 and the rear wall module 2 respectively, thereby completing the overall assembly of the car body.

[0052] Assembly process of each module:

[0053] Front wall module 1: The two corrugated boards 71 ​​are overlapped and then riveted. The upper part of the corrugated board 71 is installed in the connecting groove 73 on the corrugated board and riveted inside and outside. The lower part of the corrugated board 71 is installed in the lower connecting groove 74 of the corrugated board and riveted after the inner sealing cover plate 76 and the outer sealing cover plate 75 are installed. The gap between the corrugated board 71 and each sealing cover plate is filled with sealant. The connecting groove 73 on the corrugated board is riveted and fixed to the upper crossbeam 11 on the front wall, and the lower connecting groove 74 on the corrugated board is riveted and fixed to the lower crossbeam 12 on the front wall. The longitudinal support member 722 is overlapped and riveted on the transverse support member 721; the corrugated board support member 72 and the corrugated board 71 are glued, and the corrugated board support member 72 and the connecting groove 73 on the corrugated board and the lower connecting groove 74 on the corrugated board are riveted and fixed. The corrugated board support member 72 is welded and fixed to the right column 14 and the left column 13 of the front wall to complete the assembly of the front wall module 1.

[0054] Left wall module 3: The four corrugated boards 71 ​​are overlapped and then riveted. The upper end of the corrugated board 71 is installed in the connecting groove 73 on the corrugated board and then riveted inside and outside. The lower end of the corrugated board 71 is installed in the lower connecting groove 74 of the corrugated board and the inner sealing cover plate 76 and the outer sealing cover plate 75 are installed and then riveted. The gap between the corrugated board 71 and each sealing cover plate is filled with sealant. The longitudinal support member 722 is overlapped on the transverse support member 721 and riveted fixed. The corrugated board support member 72 and the corrugated board 71 are glued. The corrugated board support member 72 is riveted to the connecting groove 73 and the lower connecting groove 74 on the corrugated board. The assembly of the left wall module 3 is completed.

[0055] Right wall module 4: Two adjacent corrugated boards 71 ​​cut to a certain length at the front of the right wall module 4 are overlapped and riveted, and the front and rear of the corrugated board 71 are bent 90 degrees after being connected into a whole, and the rear of the corrugated board 71 is riveted to the left door panel column 41. Two adjacent corrugated boards 71 ​​at the rear of the right wall module 4 are overlapped and riveted, and the front and rear of the corrugated board 71 are bent 90 degrees after being connected into a whole, and the front of the corrugated board 71 is riveted to the right door panel column 42. The door hinge 8 is riveted to the right door panel column 42 and then welded to the door frame 15. The longitudinal support member 722 and the transverse support member 721 are overlapped and then riveted, each support member is glued to the corrugated board 71, and the corrugated board support member 72 and the upper connecting groove 73 and the lower connecting groove 74 of the corrugated board are riveted. The assembly of the right wall module 4 is completed after the transverse support member 721 in the door panel assembly is riveted to the left door panel column 41 and the right door panel column 42.

[0056] Bottom plate module 6: the bottom plate cross beam 62 and the bottom plate longitudinal beam 63 are welded to form a bottom frame, and the bottom plate 61 is riveted and fixed to the bottom frame through an L-shaped folded plate after the general assembly is completed.

[0057] Rear wall module 2: The upper crossbeam 21, the lower crossbeam 22, the left column 23 and the right column 24 of the rear wall are welded to form a rear wall frame. The upper frame 151, the lower frame 152, the left frame 153 and the right frame 114 are welded to form a door frame 15. The lower frame 152 is riveted with an L-shaped folding plate 10, and the upper frame 151 is riveted with an L-shaped folding plate 10. The corrugated board 71 is riveted with the two L-shaped folding plates at the upper and lower ends. The left and right sides of the corrugated board 71 are bent 90° and then riveted with the left frame 153 and the right frame 114. The door hinge 8 is welded and fixed to the door frame. After the door hinge 8 is welded and fixed to the door frame, the assembly of the rear wall module 2 is completed.

[0058] Roof module 5: The roof longitudinal beam 52 and the roof cross beam 53 are welded to form a roof bracket, and the top plate 51, the roof cross beam 53 and the roof longitudinal beam 52 are riveted to complete the assembly of the roof module 5.

[0059] Assembly process: the front wall lower cross beam 12 of the front wall module 1 and the rear wall lower cross beam 22 of the rear wall module 2 are welded and fixed to the bottom plate longitudinal beam 63 of the bottom plate module 6, the top cover longitudinal beam 52 of the top cover module 5 is welded and fixed to the front wall upper cross beam 11 of the front wall module 1 and the rear wall upper cross beam 21 of the rear wall module 2, the connecting groove 73 on the corrugated plate of the left wall module 3 is riveted and fixed to the top cover longitudinal beam 52 of the top cover module 5, the lower connecting groove 74 of the corrugated plate of the left wall module 3 is riveted and fixed to the bottom plate longitudinal beam 63 of the bottom plate module 6, the front end of the corrugated plate 71 of the left wall module 3 is bent 90° and riveted and fixed to the front wall left column 13 of the front wall module 1, and the rear end of the corrugated plate 71 of the left wall module 3 is bent 90° and riveted and fixed to the rear wall left column 23 of the rear wall module 2. The upper connecting groove 73 of the corrugated plate of the right wall module 4 is riveted and fixed to the top cover longitudinal beam 52 of the top cover module 5, the lower connecting groove 74 of the corrugated plate of the right wall module 4 is riveted and fixed to the bottom plate longitudinal beam 63 of the bottom plate module 6, the front end of the corrugated plate 71 of the right wall module 4 is bent 90° and riveted and fixed to the front wall right column 14 of the front wall module 1, and the rear end of the corrugated plate 71 of the right wall module 4 is bent 90° and riveted and fixed to the rear wall right column 24 of the rear wall module 2. The bottom plate 61, the bottom plate cross beam 62 and the bottom plate longitudinal beam 63 are welded to form a chassis module, and are riveted and fixed by an L-shaped folding plate 10. The door hinge 8 of the rear wall module is riveted and fixed to the rear wall left column 23 and the rear wall right column 24 to complete the overall assembly of the carriage.

[0060] The connecting groove 73 on the corrugated board and the lower connecting groove 74 on the corrugated board are used to rivet with the corrugated board support member 72 in the modular production of the carriage as an important temporary support frame for the left and right wall modules 4. During the general assembly, the connecting groove 73 on the corrugated board and the lower connecting groove 74 on the corrugated board are riveted and fixed with the longitudinal beam or the cross beam to assemble and fix the left wall module and the right wall module. The corrugated board 71 is symmetrical and adopts a certain length specification. One side of the corrugated board 71 is concave 1mm for overlapping and riveting between the corrugated boards 71 ​​and 71. When the other side is bent 90°, it can be riveted with the column. When the other side is not bent, it can be overlapped and riveted with the corrugated board 71 with a concave 1mm. The outer sealing cover plate 75 and the inner sealing cover plate 76 are of the same length specification, riveted with the L-shaped folding plate 10 or the lower connecting groove 74 of the corrugated board, and the gap with the corrugated board 71 is filled with sealant to seal and prevent water from entering the groove, thereby preventing water from entering the carriage. The sealing cover plate is relatively extended or sheared according to the length of the corrugated board 71 after connection.

[0061] The main features of the present invention are:

[0062] 1. Connection method of corrugated board 71 and corrugated board 71: corrugated board 71 is concave 1mm for overlapping and riveting between corrugated board 71 and corrugated board 71;

[0063] 2. Connection method of the corrugated plate 71 and the column: the corrugated plate 71 is bent 90° and then riveted to the column;

[0064] 3. Connection and sealing method between the corrugated board 71 and the crossbeam: the corrugated board 71 is riveted and fixed to the upper connecting groove 73 and the lower connecting groove 74 of the corrugated board, the connecting groove 73 and the lower connecting groove 74 of the corrugated board are riveted and fixed to the crossbeam, the sealing cover plate is riveted to the corrugated board connecting groove, and the gap between the corrugated board 71 and the sealing cover plate is filled with sealant.

[0065] 4. Modular assembly: After each module is manufactured independently, the bottom plate module 6 is welded and fixed to the front and rear wall modules, the top cover module 5 is welded and fixed to the front and rear wall modules, and the upper and lower ends of the left and right wall modules are riveted and fixed to the top cover module 5 and the bottom plate module 6 through the upper connecting groove 73 on the corrugated board and the lower connecting groove 74 on the corrugated board respectively. The corrugated board 71 of the left and right wall modules is bent 90° and riveted and fixed to the front and rear wall modules to complete the overall assembly.

[0066] 5. Each module is packaged and deformed according to market demand and function, the module interface is fixed, and the design is completed quickly.

[0067] The carriage frame of the present invention adopts an all-aluminum structure design, and the skin is made of aluminum alloy, non-metallic material or light metal material. Compared with ordinary steel carriages, the weight is reduced by more than 45%; compared with composite material carriages, this design is more environmentally friendly, the weight is also reduced, and the strength, rigidity and durability of the carriage are better; compared with all-aluminum carriages, the skin of this design can be connected with aluminum alloy, non-metallic material or light metal material, the application range is wider, the assembly method is more optimized, and the sealing and waterproofing of the carriage are more reliable.

[0068] The existing truck carriages have a single material selection, insufficient manufacturing methods, and a production process that directly assembles parts into an assembly, resulting in a slow production cycle. This design aims to save energy, protect the environment, and improve economic benefits. The carriages are made of aluminum alloy, non-metallic materials or lightweight metal materials in a modularized and integrated assembly design, which improves actual production efficiency.

[0069] The above records are only embodiments of the present invention. Any modification or change made by a person familiar with the present technology using the present invention shall fall within the patent scope claimed by the present invention and shall not be limited to those disclosed in the embodiments.

Claims

1. A modular assembly lightweight carriage, characterized in that: It includes the front wall module, the rear wall module, the left wall module, the right wall module, the top cover module and the bottom plate module. Each module is independently manufactured and then assembled. Some or all of these six modules use corrugated board components as the car skin. The corrugated board assembly comprises a corrugated board, a connecting groove on the corrugated board and a connecting groove below the corrugated board, wherein the connecting groove on the corrugated board and the connecting groove below the corrugated board respectively fix the upper and lower ends of the corrugated board, and the corrugated board assembly is connected to the beam above the corrugated board assembly through the connecting groove on the corrugated board, and is connected to the beam below the corrugated board assembly through the connecting groove below the corrugated board; The connecting groove on the corrugated board and the lower connecting groove on the corrugated board both include a through groove for accommodating the corrugated board, the through groove is riveted to the corrugated board, one side wall of the through groove extends away from the corrugated board to form a vertical first connecting surface, and the bottom surface of the through groove extends in a horizontal direction to form a horizontal second connecting surface; the corrugated board assembly is riveted and fixed to the beam above the corrugated board assembly through the first connecting surface and the second connecting surface of the connecting groove on the corrugated board, and the corrugated board assembly is riveted and fixed to the beam below the corrugated board assembly through the first connecting surface and the second connecting surface of the lower connecting groove on the corrugated board; The corrugated board assembly also includes an outer sealing cover plate and an inner sealing cover plate riveted on the lower connecting groove of the corrugated board, the outer sealing cover plate and the inner sealing cover plate respectively seal the gap between the corrugated board and the lower connecting groove of the corrugated board from the front and rear sides of the corrugated board, and a sealant is used to fill the gap between the corrugated board and the outer sealing cover plate, and between the corrugated board and the inner sealing cover plate, so as to prevent water from entering the groove; Two adjacent corrugated boards in the same corrugated board assembly are overlapped, one of the corrugated boards is recessed by the thickness of one corrugated board at the overlapped portion and then overlapped with the other corrugated board, and then the overlapped portions of the two corrugated boards are riveted together; The front wall module, the left wall module and the right wall module all include corrugated board components; the front wall module also includes a front wall frame composed of a front wall upper crossbeam, a front wall lower crossbeam, a front wall left column and a front wall right column, and the corrugated board component of the front wall module is connected to the front wall frame on all sides; the rear wall module includes a rear wall frame composed of a rear wall upper crossbeam, a rear wall lower crossbeam, a rear wall left column and a rear wall right column, and the rear wall frame is hinged with two door panel components; a door panel component is provided in the middle of the right wall module, and the corrugated board components are provided on both sides of the door panel component; the top cover module includes a top plate, two top cover longitudinal beams and a plurality of top cover cross beams located between the two top cover longitudinal beams for supporting the top plate; the bottom plate module includes a bottom plate and a bottom plate frame composed of a plurality of bottom plate cross beams and a plurality of bottom plate longitudinal beams for supporting the bottom plate; The front and rear ends of the bottom plate module are respectively welded to the front wall lower cross beam of the front wall module and the rear wall lower cross beam of the rear wall module, and the front and rear ends of the top cover module are respectively welded to the front wall cross beam of the front wall module and the rear wall cross beam of the rear wall module; the left wall module and the right wall module are riveted to the top cover longitudinal beam of the top cover module through the connecting groove on the corrugated plate, and the left wall module and the right wall module are riveted to the bottom plate longitudinal beam of the bottom plate module through the connecting groove under the corrugated plate. The edges of the corrugated plates of the left wall module and the right wall module are bent 90° and riveted to the columns of the front wall module and the rear wall module respectively, thereby completing the overall assembly of the car body.

2. A modular assembly lightweight carriage according to claim 1, characterized in that: The door panel assembly includes a corrugated board, an outer sealing cover plate, an L-shaped folding plate and a door frame. The door frame consists of an upper frame, a lower frame and two left and right side frames. An L-shaped folding plate is riveted to each of the upper and lower ends of the corrugated board. The L-shaped folding plate at the upper end of the corrugated board is riveted to the upper frame, and the L-shaped folding plate at the lower end of the corrugated board is riveted to the lower frame. The left and right edges of the corrugated board are bent 90° and riveted to the left and right frames respectively; the outer sealing cover plate seals the gap between the corrugated board and the L-shaped folding plate, and the gap between the corrugated board and the outer sealing cover plate is filled with sealant.

3. The modular assembly lightweight carriage according to claim 1, characterized in that: The right wall module has a door panel assembly for a single door, and the door frame of the door panel assembly is surrounded by sound-absorbing and waterproof strips; the rear wall module has two door panel assemblies for double doors, and the gap between the rear wall frame and the two door panel assemblies, as well as the gap between the two door panel assemblies, are provided with sound-absorbing and waterproof strips.

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