Lightweight pickup truck frame
By using aluminum alloy materials and a specially designed frame, the problems of heavy weight and insufficient strength of mini pickup truck frames have been solved, achieving both lightweighting and improved structural stability.
Patent Information
- Application Number
- CN202520503855.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Existing mini pickup truck frames are heavy and prone to corrosion and rust, while aluminum frames lack sufficient strength to meet the requirements for lightweighting and strength.
The frame is made of aluminum alloy and the overall structural strength is improved through specific structural designs, such as the connection between the subframe rear mounting beam assembly and the main beam, and the welding of the battery bracket assembly to the main beam.
The chassis was made lighter, while structural stability and corrosion resistance were improved, meeting the requirements for load capacity and complex road conditions.
Smart Images
Figure CN223919390U_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of automotive technology, specifically relating to a lightweight pickup truck frame. Background Technology
[0002] As the mainstay of urban express delivery, mini pickup trucks must meet the demands of complex and ever-changing road conditions as well as heavy load requirements, which places higher demands on the lightweight and strength of the chassis. Currently, most mini pickup truck chassis are made of steel, which is not only heavy but also prone to corrosion and rust after the primer is scratched. Aluminum chassis have the advantages of being lightweight and highly corrosion-resistant, but their strength is lower than that of steel chassis. Utility Model Content
[0003] In view of this, this utility model discloses a lightweight pickup truck frame, the specific solution of which is as follows:
[0004] A lightweight pickup truck frame includes a longitudinal beam assembly, a front longitudinal beam connecting crossbeam assembly, a subframe rear mounting crossbeam assembly, a battery bracket assembly, a first rear leaf spring crossbeam assembly, a new energy component bracket assembly, and a second rear leaf spring crossbeam assembly.
[0005] The longitudinal beam assembly includes a main beam, which has two sets arranged in parallel relative to each other. The front longitudinal beam connecting crossbeam assembly, the subframe rear mounting crossbeam assembly, the battery bracket assembly, the rear leaf spring crossbeam assembly, the new energy component bracket assembly, and the second rear leaf spring crossbeam assembly are arranged sequentially from front to back between the two sets of main beams.
[0006] The subframe rear mounting crossbeam assembly includes a subframe rear mounting crossbeam and a first reinforcing rib. The end of the subframe rear mounting crossbeam is connected to the main beam. A through hole is provided at the connection position between the main beam and the subframe rear mounting crossbeam. The end of the subframe rear mounting crossbeam is inserted into the through hole of the main beam and connected to the main beam by welding. A first reinforcing rib connects the subframe rear mounting crossbeam and the main beam. One end of the first reinforcing rib is welded to the side surface of the subframe rear mounting crossbeam, and the other end is welded to the side surface of the main beam.
[0007] As a supplement to the technical solution of this utility model, the front longitudinal beam connecting crossbeam assembly includes a front longitudinal beam connecting a first crossbeam, a front longitudinal beam connecting a second crossbeam, and a first connecting member. The front longitudinal beam connecting the first crossbeam is disposed on the front side of the front longitudinal beam connecting the second crossbeam. The ends of the front longitudinal beam connecting the first crossbeam and the front longitudinal beam connecting the second crossbeam are welded to the main beam. The first connecting member is disposed between the front longitudinal beam connecting the first crossbeam and the front longitudinal beam connecting the second crossbeam, and its ends are respectively welded to the front longitudinal beam connecting the first crossbeam and the front longitudinal beam connecting the second crossbeam.
[0008] As a supplement to the technical solution of this utility model, the battery bracket assembly includes a front crossbeam of the battery bracket, a rear crossbeam of the battery bracket, a reinforcing bracket, a second reinforcing rib, and a third reinforcing rib; the front crossbeam of the battery bracket is disposed on the front side of the rear crossbeam of the battery bracket; the front end of the reinforcing bracket is connected to the front crossbeam of the battery bracket, and the rear end is connected to the rear crossbeam of the battery bracket; the end of the front crossbeam of the battery bracket is welded to the main beam, and a through hole is provided at the connection position between the main beam and the front crossbeam of the battery bracket, and the end of the front crossbeam of the battery bracket is inserted into the main beam and connected to the main beam by welding;
[0009] A second reinforcing rib is provided between the front crossbeam of the battery bracket and the main beam. One end of the second reinforcing rib is connected to the front crossbeam of the battery bracket, and the other end of the second reinforcing rib is connected to the side surface of the main beam.
[0010] The end of the rear crossbeam of the battery bracket is connected to the main beam. A through hole is provided at the position of the main beam and the rear crossbeam of the battery bracket. The end of the rear crossbeam of the battery bracket is inserted into the main beam and connected to the main beam by welding. A third reinforcing rib is provided between the rear crossbeam of the battery bracket and the main beam. One end of the third reinforcing rib is connected to the rear crossbeam of the battery bracket, and the other end of the third reinforcing rib is connected to the side surface of the main beam.
[0011] As a supplement to the technical solution of this utility model, the first rear leaf spring crossbeam assembly and the second rear leaf spring crossbeam assembly have the same structure, both including a leaf spring crossbeam and a rear leaf spring bracket. The rear leaf spring bracket is set on the main beam and includes a left baffle, a right baffle, and a connecting rib. The left baffle and the right baffle are both vertically arranged and connected by a connecting rib. The upper part of the left baffle and the right baffle are both provided with through holes.
[0012] The left baffle is located on the left side of the main beam, and the right baffle is located on the right side of the main beam. The main beam has through holes that connect with the left and right baffles. The end of the rear leaf spring beam passes through the through holes on the left baffle, the main beam, and the right baffle, and is connected to the main beam and the rear leaf spring bracket by welding.
[0013] As a supplement to the technical solution of this utility model, the new energy component bracket assembly includes a front crossbeam, a middle crossbeam, a rear crossbeam, a connecting longitudinal beam, a wire harness fixing beam, and an accessory mounting plate.
[0014] The front crossbeam, middle crossbeam, and rear crossbeam of the bracket are arranged sequentially from front to back. A connecting longitudinal beam connects the front crossbeam and the middle crossbeam, and a wire harness fixing beam connects the middle crossbeam and the rear crossbeam. The accessory mounting plate is vertically arranged on the lower side of the front crossbeam and the middle crossbeam, with the front part of the accessory mounting plate connected to the front crossbeam and the rear part connected to the middle crossbeam.
[0015] As a supplement to the technical solution of this utility model, the longitudinal beam assembly also includes a cab front support, a front shock absorber support, a cab middle support, a cab rear support, a cargo box front support, a first cargo box mounting bracket, a limit block bracket, and a second cargo box mounting bracket.
[0016] The cab front support, front shock absorber support, cab middle support, cab rear support, cargo box front support, first cargo box mounting bracket, limit block bracket, and second cargo box mounting bracket are sequentially installed on the main beam from front to back.
[0017] The cab front bracket and the front shock absorber bracket are both located on one side of the front longitudinal beam connecting crossbeam assembly; the cab middle bracket is set on the main beam between the subframe rear mounting crossbeam assembly and the battery bracket assembly; the cab rear bracket and the cargo box front support are located on one side of the battery bracket assembly; the first cargo box mounting bracket is located on one side of the new energy component bracket assembly; the first cargo box mounting bracket is located on one side of the rear leaf spring rear crossbeam assembly.
[0018] As a supplement to the technical solution of this utility model, the cab front support includes a front support panel frame and a front support connecting plate. The front support connecting plate has a Z-shaped structure, including a connecting lower vertical plate, a connecting horizontal plate, and a connecting upper vertical plate. The lower end of the connecting upper vertical plate is connected to the right end of the connecting horizontal plate, and the upper end of the connecting lower vertical plate is connected to the left end of the connecting horizontal plate. The connecting lower vertical plate, the connecting horizontal plate, and the connecting upper vertical plate are spliced into a Z-shaped structure. The connecting horizontal plate is connected to the upper end face of the main beam, and the connecting lower vertical plate is connected to the side surface of the main beam. The front support panel frame is a U-shaped plate with an opening facing downwards. The lower end of the front support panel frame is connected to the connecting horizontal plate, and one side of the front support panel frame is connected to the connecting upper vertical plate. A through hole is provided on the upper end face of the front support panel frame.
[0019] As a supplement to the technical solution of this utility model, the front shock absorber bracket includes a shock absorber bracket panel, a shock absorber bracket connecting plate, and a shock absorber bracket support plate. The shock absorber bracket connecting plate is screwed to the side surface of the main beam. The shock absorber bracket panel is disposed at the upper end of the shock absorber bracket connecting plate. The shock absorber bracket panel is provided with a through hole. The shock absorber bracket support plate is disposed on the side surface of the shock absorber bracket connecting plate.
[0020] As a supplement to the technical solution of this utility model, the charging socket bracket is set on the outer surface of the main beam and located on one side of the rear crossbeam of the battery bracket. It includes a socket mounting panel and a socket connecting plate. The socket connecting plate is a cylindrical hollow groove structure. One end of the plate is screwed to the main beam by bolts, and the other end is provided with a socket mounting panel. The socket mounting panel is provided with through holes.
[0021] Beneficial effects: The lightweight pickup truck frame disclosed in this utility model is made of aluminum alloy. While meeting the requirements of lightweighting, the overall frame structure strength is improved through the design of the connection structure between the subframe rear mounting crossbeam assembly and the main beam, as well as the design of the battery bracket assembly structure and the connection structure between the battery bracket assembly and the main beam. Attached Figure Description
[0022] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0023] Figure 2 This is a top view of the structure of this utility model.
[0024] Figure 3 This is a schematic diagram of the longitudinal beam assembly.
[0025] Figure 4 This is a schematic diagram of the front longitudinal beam connecting to the crossbeam assembly.
[0026] Figure 5 This is a schematic diagram of the crossbeam structure installed at the rear of the subframe.
[0027] Figure 6 This is a schematic diagram of the connection structure between the rear mounting crossbeam and the main beam of this subframe.
[0028] Figure 7 This is a schematic diagram of the battery bracket assembly.
[0029] Figure 8 This is a schematic diagram of the connection structure between the front crossbeam and the main beam of the battery bracket.
[0030] Figure 9 This is a schematic diagram of the first rear leaf spring crossbeam assembly.
[0031] Figure 10 This is a schematic diagram of the rear leaf spring support structure.
[0032] Figure 11 This is a schematic diagram of the support structure for new energy components.
[0033] Figure 12 This is a schematic diagram of the front support structure of the driver's cab.
[0034] Figure 13 This is a schematic diagram of the front shock absorber bracket structure.
[0035] Figure 14 This is a schematic diagram of the charging socket bracket structure.
[0036] In the diagram: 1. Longitudinal beam assembly; 101. Main beam; 102. Cab front support; 103. Front shock absorber support; 104. Cab middle support; 105. Cab rear support; 106. Cargo box front support; 107. First cargo box mounting bracket; 108. Limiting block bracket; 109. Second cargo box mounting bracket; 110. Front support panel frame; 111. Front support connecting plate; 112. Connecting lower vertical plate; 113. Connecting horizontal plate; 114. Connecting upper vertical plate; 115. Shock absorber bracket panel; 116. Shock absorber bracket connecting plate; 117. Shock absorber bracket support plate.
[0037] 2. Front longitudinal beam connecting to crossbeam assembly; 201. Front longitudinal beam connecting to first crossbeam; 202. Front longitudinal beam connecting to second crossbeam; 203. First connecting piece;
[0038] 3. Subframe rear mounting crossbeam assembly, 301. Subframe rear mounting crossbeam, 302. First reinforcing rib,
[0039] 4. Battery bracket assembly; 401. Front crossbeam of battery bracket; 402. Reinforcing bracket; 403. Rear crossbeam of battery bracket; 404. Second reinforcing rib; 405. Third reinforcing rib.
[0040] 5. First rear leaf spring crossbeam assembly, 501. Leaf spring crossbeam, 502. Rear leaf spring bracket, 503. Left baffle, 504. Right baffle, 505. Connecting stiffener,
[0041] 6. New energy component bracket assembly, 601. Front crossbeam of bracket, 602. Middle crossbeam of bracket, 603. Rear crossbeam of bracket, 604. Connecting longitudinal beam, 605. Wiring harness fixing beam, 606. Accessory mounting plate,
[0042] 7. Second rear leaf spring crossbeam assembly
[0043] 8. Charging socket bracket, 801. Socket mounting panel, 802. Socket connection plate. Detailed Implementation
[0044] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0045] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0046] like Figures 1 to 14 As shown, this utility model discloses a lightweight pickup truck frame that uses an aluminum frame instead of a traditional steel frame, and the frame structure is designed to have strong structural stability.
[0047] A lightweight pickup truck frame includes a longitudinal beam assembly 1, a front longitudinal beam connecting crossbeam assembly 2, a subframe rear mounting crossbeam 301, a battery bracket assembly 4, a first rear leaf spring crossbeam assembly 5, a new energy component bracket assembly 6, and a second rear leaf spring crossbeam assembly 7, all of which are made of aluminum alloy.
[0048] The longitudinal beam assembly 1 includes a main beam 101, which has two sets arranged in parallel. The front longitudinal beam connecting crossbeam assembly 2, the subframe rear mounting crossbeam assembly 3, the battery bracket assembly 4, the rear leaf spring crossbeam 501 assembly, the new energy component bracket assembly 6, and the second rear leaf spring crossbeam assembly 7 are arranged sequentially from front to back between the two sets of main beams 101, and the ends of each crossbeam and each assembly are connected to the main beam 101.
[0049] The subframe rear mounting crossbeam assembly 3 includes a subframe rear mounting crossbeam 301 and a first reinforcing rib 302. The subframe rear mounting crossbeam 301 is a square tubular structure, with its end connected to the main beam 101. Specifically, a through hole is provided at the connection point between the main beam 101 and the subframe rear mounting crossbeam 301. The end of the subframe rear mounting crossbeam 301 is inserted into the through hole of the main beam 101, and then welded to the main beam 101. A first reinforcing rib 302 connects the subframe rear mounting crossbeam 301 and the main beam 101. The first reinforcing rib 302 is a square tubular structure, obliquely arranged, with one end welded to the side surface of the subframe rear mounting crossbeam 301 and the other end welded to the side surface of the main beam 101. This arrangement enhances the connection stability between the subframe rear mounting crossbeam 301 and the main beam 101, improving the overall structural strength of the frame.
[0050] As a preferred embodiment of this utility model, the front longitudinal beam connecting crossbeam assembly 2 includes a front longitudinal beam connecting first crossbeam 201, a front longitudinal beam connecting second crossbeam 202, and a first connecting member 203. The front longitudinal beam connecting first crossbeam 201 is disposed on the front side of the front longitudinal beam connecting second crossbeam. The ends of both the front longitudinal beam connecting first crossbeam 201 and the front longitudinal beam connecting second crossbeam 202 are welded to the main beam 101. The connecting member is disposed between the front longitudinal beam connecting first crossbeam 201 and the front longitudinal beam connecting second crossbeam 202, and its ends are respectively welded to the front longitudinal beam connecting first crossbeam 201 and the front longitudinal beam connecting second crossbeam 202 for mounting parts.
[0051] As a preferred embodiment of this utility model, the battery bracket assembly 4 includes a front crossbeam 401, a reinforcing bracket 402, a rear crossbeam 403, a second reinforcing rib 404, and a third reinforcing rib 405. The front crossbeam 401 is located in front of the rear crossbeam 403. The front end of the reinforcing bracket 402 is connected to the front crossbeam 401, and the rear end is connected to the rear crossbeam 403. The end of the front crossbeam 401 is welded to the main beam 101. Preferably, a through hole is provided at the connection point between the main beam 101 and the front crossbeam 401, and the end of the front crossbeam 401 is inserted into the main beam 101 and connected to the main beam 101 by welding. A second reinforcing rib 404 is provided between the front crossbeam 401 and the main beam 101. One end of the second reinforcing rib 404 is connected to the front crossbeam 401, and the other end is connected to the side surface of the main beam 101. To avoid spatial interference between the second reinforcing rib 404 and the main beam, the second reinforcing rib 404 is located below the front crossbeam 401 of the battery bracket, with its upper end connected to the front crossbeam 401 of the battery bracket and its lower end connected to the main beam 101.
[0052] The end of the rear crossbeam 403 of the battery bracket is connected to the main beam 101. Preferably, a through hole is provided at the position of the main beam 101 and the rear crossbeam 403 of the battery bracket, and the end of the rear crossbeam 403 of the battery bracket is inserted into the main beam 101 and connected to the main beam 101 by welding. A third reinforcing rib 405 is provided between the rear crossbeam 403 of the battery bracket and the main beam 101. One end of the third reinforcing rib 405 is connected to the rear crossbeam 403 of the battery bracket, and the other end of the third reinforcing rib 405 is connected to the side surface of the main beam 101.
[0053] By configuring the connection method between the front crossbeam 401 and the rear crossbeam 403 of the battery bracket and the main beam 101, the connection stability between the battery bracket assembly 4 and the main beam 101 is improved. At the same time, by strengthening the bracket 402, the structural stability of the battery bracket assembly 4 itself is improved.
[0054] As a preferred technical solution of this utility model, the first rear leaf spring crossbeam assembly 5 and the second rear leaf spring crossbeam assembly 7 have the same structure, both including a leaf spring crossbeam 501 and a leaf spring front bracket. The rear leaf spring bracket 502 is disposed on the main beam 101 and includes a left baffle 503, a right baffle 504, and a connecting rib 505. The left baffle 503 and the right baffle 504 are both vertically arranged and connected by a connecting rib 505. The upper part of the left baffle 503 and the right baffle 504 are both provided with through holes.
[0055] The left baffle 503 is located on the left side of the main beam 101, and the right baffle 504 is located on the right side of the main beam 101. The main beam 101 has corresponding through holes that communicate with the left baffle 503 and the right baffle 504. The end of the rear leaf spring crossbeam 501 passes through the through holes on the left baffle 503, the main beam 101, and the right baffle 504, and is connected to the main beam 101 and the rear leaf spring bracket 502 by welding.
[0056] As a preferred embodiment of this utility model, the new energy component bracket assembly 6 includes a front crossbeam 601, a middle crossbeam 602, a rear crossbeam 603, a connecting longitudinal beam 604, a wire harness fixing beam 605, and an accessory mounting plate 606. The front crossbeam 601, the middle crossbeam 602, and the rear crossbeam 603 are arranged sequentially from front to back. The connecting longitudinal beam 604 connects the front crossbeam 601 and the middle crossbeam 602, and the wire harness fixing beam 605 connects the middle crossbeam 602 and the rear crossbeam 603. The accessory mounting plate 606 is vertically arranged below the front crossbeam 601 and the middle crossbeam 602, with its front part connected to the front crossbeam 601 and its rear part connected to the middle crossbeam 602.
[0057] As a preferred technical solution of this utility model, the longitudinal beam assembly 1 further includes a cab front support 102, a front shock absorber support 103, a cab middle support 104, a cab rear support 105, a cargo box front support 106, a first cargo box mounting bracket 107, a limit block bracket 108, and a second cargo box mounting bracket 109.
[0058] The cab front support 102, front shock absorber support 103, cab middle support 104, cab rear support 105, cargo box front support 106, first cargo box mounting bracket 107, limit block bracket 108, and second cargo box mounting bracket 109 are sequentially arranged on the main beam 101 from front to back.
[0059] The cab front bracket 102 and the shock absorber bracket are both located on one side of the front longitudinal beam connecting crossbeam assembly 2.
[0060] The bracket 104 in the cab is mounted on the main beam 101 between the rear mounting beam assembly 3 of the subframe and the battery bracket assembly 4.
[0061] The rear support frame 105 of the cab and the front support frame 106 of the cargo box are located on one side of the battery bracket assembly 4.
[0062] The first cargo box mounting bracket 107 is located on one side of the new energy component bracket assembly 6; the first cargo box mounting bracket 107 is located on one side of the rear leaf spring and rear crossbeam assembly.
[0063] As a preferred embodiment of this utility model, the cab front support 102 includes a front support panel frame 110 and a front support connecting plate 111. The front support connecting plate 111 has a Z-shaped structure, including a lower connecting vertical plate 112, a connecting horizontal plate 113, and a connecting upper vertical plate 114. The lower end of the connecting upper vertical plate 114 is connected to the right end of the connecting horizontal plate 113, and the upper end of the connecting lower vertical plate 112 is connected to the left end of the connecting horizontal plate 113. The connecting lower vertical plate 112, the connecting horizontal plate 113, and the connecting upper vertical plate 114 are spliced to form a Z-shaped structure. The connecting horizontal plate 113 is screwed to the upper end face of the main beam 101, and the connecting lower vertical plate 112 is screwed to the side surface of the main beam 101. The front support panel frame 110 is a U-shaped plate with an opening facing downwards. The lower end of the front support panel frame 110 is connected to the connecting horizontal plate 113, and one side of the front support panel frame 110 is connected to the connecting upper vertical plate 114. A through hole is provided on the upper surface of the front support panel frame 110.
[0064] As a preferred embodiment of this utility model, the shock absorber bracket assembly includes a shock absorber bracket panel 115, a shock absorber bracket connecting plate 116, and a shock absorber bracket support plate 117. The shock absorber bracket connecting plate 116 is screwed to the side surface of the main beam 101. The shock absorber bracket panel 115 is disposed on the upper end of the shock absorber bracket connecting plate 116, and has through holes for screwing. The shock absorber bracket support plate 117 is disposed on the side surface of the shock absorber bracket connecting plate 116 to enhance the overall structural stability.
[0065] As a preferred technical solution of this utility model, it also includes a charging socket bracket 8, which is disposed on the outer surface of the main beam 101 and located on one side of the rear crossbeam 403 of the battery bracket. It includes a socket mounting panel 801 and a socket connecting plate 802. The socket connecting plate 802 is a cylindrical hollow groove structure. One end of it is screwed to the main beam 101 by bolts, and the other end is provided with the socket mounting panel 801. The socket mounting panel 801 is provided with a through hole for inserting a charging head.
[0066] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.
Claims
1. A lightweight pickup truck frame characterized by, The application relates to a longitudinal beam assembly (1), a front longitudinal beam connecting cross beam assembly (2), a rear mounting cross beam assembly of a subframe (3), a battery support assembly (4), a first rear leaf spring cross beam assembly (5), a new energy part support assembly (6) and a second rear leaf spring cross beam assembly (7). The longitudinal beam assembly (1) comprises two groups of main beams (101) which are arranged in parallel, the front longitudinal beam connecting cross beam assembly (2), the rear mounting cross beam assembly of the subframe (3), the battery support assembly (4), the rear leaf spring cross beam assembly (501), the new energy part support assembly (6) and the second rear leaf spring cross beam assembly (7) are sequentially arranged between the two groups of main beams (101) from front to back. The rear mounting cross beam assembly of the subframe (3) comprises a rear mounting cross beam (301) of a subframe and a first reinforcing rib (302), the end of the rear mounting cross beam (301) of the subframe is connected with the main beam (101), a through hole is formed at the connecting position of the main beam (101) and the rear mounting cross beam (301) of the subframe, the end of the rear mounting cross beam (301) of the subframe is inserted into the through hole of the main beam (101) and is connected with the main beam (101) through welding, and the first reinforcing rib (302) is connected between the rear mounting cross beam (301) of the subframe and the main beam (101), one end of the first reinforcing rib (302) is welded with the side surface of the rear mounting cross beam (301) of the subframe, and the other end is welded with the side surface of the main beam (101).
2. The lightweight pickup truck frame of claim 1, wherein, The front longitudinal beam connecting cross beam assembly (2) comprises a front longitudinal beam connecting first cross beam (201), a front longitudinal beam connecting second cross beam (202) and a first connecting piece (203), the front longitudinal beam connecting first cross beam (201) is arranged on the front side of the front longitudinal beam connecting second cross beam (202), the ends of the front longitudinal beam connecting first cross beam (201) and the front longitudinal beam connecting second cross beam (202) are welded with the main beam (101), and the first connecting piece (203) is arranged between the front longitudinal beam connecting first cross beam (201) and the front longitudinal beam connecting second cross beam (202) and is welded with the front longitudinal beam connecting first cross beam (201) and the front longitudinal beam connecting second cross beam (202) at the ends.
3. The lightweight pickup truck frame of claim 1, wherein, The battery support assembly (4) comprises a battery support front cross beam (401), a battery support rear cross beam (403), a reinforcing support (402), a second reinforcing rib (404) and a third reinforcing rib (405), the battery support front cross beam (401) is arranged on the front side of the battery support rear cross beam (403), the front end of the reinforcing support (402) is connected with the battery support front cross beam (401), the rear end is connected with the battery support rear cross beam (403), the end of the battery support front cross beam (401) is welded with the main beam (101), a through hole is formed at the connecting position of the main beam (101) and the battery support front cross beam (401), the end of the battery support front cross beam (401) is inserted into the main beam (101) and is connected with the main beam (101) through welding, The second reinforcing rib (404) is connected to one end of the battery support front cross beam (401) and the other end of the second reinforcing rib (404) is connected to the side surface of the main beam (101); The end of the battery support rear cross beam (403) is connected to the main beam (101), the main beam (101) is provided with a through hole at the position of the battery support rear cross beam (403), the end of the battery support rear cross beam (403) is inserted into the main beam (101) and connected to the main beam (101) by welding; the third reinforcing rib (405) is arranged between the battery support rear cross beam (403) and the main beam (101), one end of the third reinforcing rib (405) is connected to the battery support rear cross beam (403) and the other end of the third reinforcing rib (405) is connected to the side surface of the main beam (101).
4. The lightweight pickup truck frame of claim 1, wherein, The first rear leaf spring cross beam assembly (5) and the second rear leaf spring cross beam assembly (7) are the same in structure and each include a leaf spring cross beam (501) and a rear leaf spring support (502), the rear leaf spring support (502) is arranged on the main beam (101) and includes a left baffle (503), a right baffle (504) and a connecting rib plate (505), the left baffle (503) and the right baffle (504) are arranged vertically and the connecting rib plate (505) is arranged between the left baffle (503) and the right baffle (504), the upper part of the left baffle (503) and the right baffle (504) is provided with a through hole; The left baffle (503) is arranged on the left side of the main beam (101) and the right baffle (504) is arranged on the right side of the main beam (101), the main beam (101) is provided with a through hole which is connected to the left baffle (503) and the right baffle (504), the end of the leaf spring cross beam (501) passes through the through holes of the left baffle (503), the main beam (101) and the right baffle (504) and is connected to the main beam (101) and the rear leaf spring support (502) by welding.
5. The lightweight pickup truck frame of claim 1, wherein, The new energy component support assembly (6) includes a support front cross beam (601), a support middle cross beam (602), a support rear cross beam (603), a connecting longitudinal beam (604), a wire harness fixing beam (605) and a component mounting plate (606); The support front cross beam (601), the support middle cross beam (602) and the support rear cross beam (603) are arranged in sequence from front to back, the connecting longitudinal beam (604) is arranged between the support front cross beam (601) and the support middle cross beam (602), the wire harness fixing beam (605) is arranged between the support middle cross beam (602) and the support rear cross beam (603), the component mounting plate (606) is arranged vertically on the lower side of the support front cross beam (601) and the support middle cross beam (602), the front part of the component mounting plate (606) is connected to the support front cross beam (601) and the rear part of the component mounting plate (606) is connected to the support middle cross beam (602).
6. The lightweight pickup truck frame of Claim 1, wherein, The longitudinal beam assembly (1) further comprises a cab front support (102), a front shock absorber support (103), a cab middle support (104), a cab rear support (105), a cargo box front support (106), a first cargo box mounting support (107), a limiting block support (108), and a second cargo box mounting support (109); The cab front support (102), the front shock absorber support (103), the cab middle support (104), the cab rear support (105), the cargo box front support (106), the first cargo box mounting support (107), the limiting block support (108), and the second cargo box mounting support (109) are sequentially arranged on the main beam (101) from front to back. The cab front support (102) and the front shock absorber support (103) are located on one side of the front longitudinal beam connecting cross beam assembly (2); the cab middle support (104) is arranged on the main beam (101) between the auxiliary frame rear mounting cross beam assembly (3) and the battery support assembly (4); the cab rear support (105) and the cargo box front support (106) are located on one side of the battery support assembly (4); the first cargo box mounting support (107) is located on one side of the new energy part support assembly (6); and the first cargo box mounting support (107) is located on one side of the rear leaf spring rear cross beam assembly.
7. The lightweight pickup truck frame of claim 6, wherein, The cab front support (102) comprises a front support panel frame (110) and a front support connecting plate (111), the front support connecting plate (111) is in a Z-shaped structure and comprises a connecting lower vertical plate (112), a connecting horizontal plate (113), and a connecting upper vertical plate (114), the lower end of the connecting upper vertical plate (114) is connected with the right end of the connecting horizontal plate (113), the upper end of the connecting lower vertical plate (112) is connected with the left end of the connecting horizontal plate (113), the connecting lower vertical plate (112), the connecting horizontal plate (113), and the connecting upper vertical plate (114) are spliced into a Z-shaped structure, the connecting horizontal plate (113) is connected with the upper end surface of the main beam (101), the connecting lower vertical plate (112) is connected with the side surface of the main beam (101), the front support panel frame (110) is a U-shaped plate with an opening downward, the lower end of the front support panel frame (110) is connected with the connecting horizontal plate (113), one side of the front support panel frame (110) is connected with the connecting upper vertical plate (114), and a through hole is formed in the upper end surface of the front support panel frame (110).
8. The lightweight pickup truck frame of claim 6, wherein, The front shock absorber support (103) comprises a shock absorber support panel (115), a shock absorber support connecting plate (116), and a shock absorber support support plate (117), the shock absorber support connecting plate (116) is screwed with the side surface of the main beam (101), the shock absorber support panel (115) is arranged at the upper end of the shock absorber support connecting plate (116), the shock absorber support panel (115) is provided with a through hole, and the shock absorber support support plate (117) is arranged on the side surface of the shock absorber support connecting plate (116).
9. The lightweight pickup truck frame of Claim 1, wherein, Also included is a charging socket support (8) arranged on the outer side surface of the main beam (101) and located on one side of the battery support rear cross beam (403), which includes a socket mounting panel (801) and a socket connecting plate (802). The socket connecting plate (802) is a cylindrical hollow groove structure, one end of which is screwed to the main beam (101) by a bolt, and the other end is provided with a socket mounting panel (801). The socket mounting panel (801) is provided with a through hole.