CN211336175U - Lightweight electric logistics vehicle frame structure - Google Patents
Lightweight electric logistics vehicle frame structure Download PDFInfo
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- CN211336175U CN211336175U CN201921571568.3U CN201921571568U CN211336175U CN 211336175 U CN211336175 U CN 211336175U CN 201921571568 U CN201921571568 U CN 201921571568U CN 211336175 U CN211336175 U CN 211336175U
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Abstract
The utility model discloses a lightweight electronic commodity circulation car frame structure, it includes the frame main part, covers the corrugated sheet assembly on frame main part surface, the frame main part comprises cap shape longeron, cap shape crossbeam and C shape auxiliary beam main frame, the cap shape longeron with the cap shape crossbeam includes integrated into one piece's U type portion and sets up U type portion both sides tip turns over the horizontal connecting portion that roll over 90 outwards, corrugated sheet in the corrugated sheet assembly with the cap shape longeron or the cap shape crossbeam horizontal connecting portion spot welding is connected and is formed the enclosed construction. The utility model discloses not only can alleviate whole car weight, still have the characteristics that intensity is high, container floor adopts the corrugated sheet can form the enclosed construction with the cap shape roof beam of frame main frame simultaneously, can save the relevant part that traditional frame packing box is connected again, has realized the lightweight, has improved continuation of the journey mileage.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of electric truck designs, especially, relate to a lightweight electronic commodity circulation car frame structure.
[ background of the invention ]
The frame is a carrying body of all parts of the vehicle, all forces applied to the whole vehicle act on the frame, the applied forces are extremely complex, and therefore the frame must have sufficient strength and rigidity to bear the load of the vehicle and the impact transmitted from the wheels.
The frame used by the light truck in the current market mainly has two structures, the first structure is a girder type bearing structure, and the structure is a firm rigid framework formed by connecting two main longitudinal girders and a plurality of middle cross girders through riveting. The thickness of the main longitudinal beam is generally 4-6mm of automobile girder plate 510L, and the main longitudinal beam is formed by punching or rolling. If the electric light-weight light truck is expanded, the arrangement of the battery can only adopt a side hanging type. This type of frame is less flexible because it is not designed specifically for electric light trucks, and its general configuration is shown in fig. 1.
The second type is a tubular beam type welded structure, the cross section of the main tubular beam is 100mm by 50mm or 100mm by 40mm, and other tubular beams generally use other small specifications such as 40mm by 40mm, which is essentially a derivative of a three-section type bearing structure. Although the structure can carry different battery capacities, the common structure is shown in fig. 2 because the pipe beam has more specifications, larger welding workload, poorer production environment and incapability of ensuring the manufacturing precision.
Therefore, it is necessary to provide a new light-weight electric logistics vehicle frame structure to solve the above problems.
[ Utility model ] content
The utility model discloses a main aim at provides a lightweight electronic commodity circulation car frame structure not only can alleviate whole car weight, still has the characteristics that intensity is high, and container floor adopts the corrugated sheet can form enclosed construction with the cap shape roof beam of frame main frame simultaneously, can save the relevant part that traditional frame packing box connects again.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a lightweight electronic commodity circulation car frame structure, its includes the frame main part, covers the corrugated sheet assembly on frame main part surface, the frame main part comprises hat shape longeron, hat shape crossbeam and C shape auxiliary beam main frame, the hat shape longeron with the hat shape crossbeam includes integrated into one piece's U type portion and sets up U type portion both sides tip turns over the horizontal connecting portion of turning over 90 outwards, corrugated sheet in the corrugated sheet assembly with the hat shape longeron or the hat shape crossbeam the horizontal connecting portion spot welding is connected and is formed the enclosed construction.
Further, the frame main part includes anterior segment assembly, frame upper frame, frame lower floor's frame, sets up frame upper frame with a plurality of left and right sides ring group, frame back end frame between the frame lower floor's frame and set up and be in the left back storehouse skeleton and the right back storehouse skeleton of frame back end frame both sides.
Furthermore, a battery pack storage bin is formed between the frame upper layer frame and the frame lower layer frame, and the battery pack storage bin is isolated into a plurality of small spaces by the left side ring group and the right side ring group.
Further, the corrugated sheet assembly is including covering preceding driving area shrouding and upper packing box shrouding of the whole upper surface of frame main part, along the frame axial setting isolation the preceding storehouse board, a plurality of intermediate bin partition panels and the back storehouse board of battery package containing storehouse and cover the battery storehouse bottom plate of frame lower floor's frame lower surface.
Further, the front bin sealing plate, the middle bin partition plate and the rear bin sealing plate are arranged on the left side ring group and the right side ring group.
Further, the upper container sealing plate covers the surface of the upper frame of the vehicle frame.
Furthermore, the frame upper frame comprises two first longitudinal beams arranged in parallel and a plurality of first cross beams arranged between the two first longitudinal beams, wherein the first longitudinal beams and the first cross beams are of cap-shaped beam structures and comprise integrally formed U-shaped portions and horizontal connecting portions arranged at two side end portions of the U-shaped portions and folded outwards by 90 degrees.
Furthermore, the frame lower layer frame comprises two second longitudinal beams arranged in parallel and a plurality of second cross beams arranged between the two second longitudinal beams, and the second longitudinal beams and the second cross beams have the same structure as the first longitudinal beams.
Furthermore, the left and right side ring groups are of a four-side frame structure, the upper and lower cross beams are both hat-shaped cross beams, and the left and right side support beams are C-shaped vertical beams;
furthermore, the openings of the upper and lower two hat-shaped cross beams are respectively outward and are used for realizing a closed structure by spot welding with the corrugated board in the corrugated board assembly.
Compared with the prior art, the utility model relates to a lightweight electronic commodity circulation car frame structure's beneficial effect lies in: constitute the main frame with the frame main part by girder and the auxiliary beam that main section is C shape and hat shape, and set up the corrugated sheet on frame main part surface, utilize the enclosed construction that the department of sealing spot welding of corrugated sheet and hat shape longeron or hat shape crossbeam constitutes, can play the effect on battery compartment shrouding and upper floor simultaneously, and improved the bulk strength of structure greatly, and saved additionally laying on packing box floor and driver's cabin floor, whole car weight has been alleviateed greatly, the lightweight has been realized, the continuation of the journey mileage has been improved.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of a girder type electric truck frame in the prior art;
FIG. 2 is a schematic structural view of a large-sized tube beam type (three-section type) electric light truck frame in the prior art;
fig. 3 is a schematic structural diagram of an embodiment of the present invention;
fig. 4 is a schematic diagram of a partial explosion structure according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of the connection between the hat-shaped beam and the corrugated board of the upper frame of the frame according to the embodiment of the present invention;
FIG. 6 is a schematic structural view of the connection between the hat-shaped beam and the corrugated board of the lower frame of the vehicle frame according to the embodiment of the present invention;
FIG. 7 is a schematic structural view of an upper frame of the vehicle frame according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a hat-shaped longitudinal beam or a hat-shaped cross beam in an embodiment of the present invention;
FIG. 9 is a schematic structural view of a lower frame of the vehicle frame according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a left side ring set and a right side ring set in the embodiment of the present invention;
the figures in the drawings represent:
1, a frame main body, 11 front section assemblies, 12 frame upper layer frames, 121 first longitudinal beams, 1211U-shaped parts, 1212 horizontal connecting parts, 122 first cross beams, 13 frame lower layer frames, 131 second longitudinal beams, 132 second cross beams, 14 left and right side ring groups, 15 frame rear section frames, 16 left rear bin frameworks and 17 right rear bin frameworks;
2 corrugated board assembly, 21 front driving area sealing plate, 22 upper layer container sealing plate, 23 front cabin sealing plate, 24 middle cabin partition plate, 25 rear cabin sealing plate and 26 battery cabin bottom plate.
[ detailed description ] embodiments
Example (b):
referring to fig. 3 to 10, the frame structure of the light-weight electric logistics vehicle in the embodiment includes a frame main body 1 and a corrugated sheet assembly 2 covering the surface of the frame main body, the frame main body 1 includes a hat-shaped longitudinal beam, a hat-shaped cross beam and a C-shaped auxiliary cross beam to form a main frame, the hat-shaped longitudinal beam and the hat-shaped cross beam include an integrally formed U-shaped portion and horizontal connecting portions arranged at two side ends of the U-shaped portion and turned outwards by 90 °, and the corrugated sheet in the corrugated sheet assembly 2 is connected with the hat-shaped longitudinal beam or the horizontal connecting portions of the hat-shaped cross beam by spot welding to form a closed structure.
The frame main body 1 comprises a front section assembly 11, a frame upper layer frame 12, a frame lower layer frame 13, a plurality of left and right side ring groups 14 arranged between the frame upper layer frame 12 and the frame lower layer frame 13, a frame rear section frame 15, and a left rear bin framework 16 and a right rear bin framework 17 arranged on two sides of the frame rear section frame 15.
Corrugated board assembly 2 includes the preceding driver's area shrouding 21 and the upper packing box shrouding 22 that cover the whole upper surface of frame body 1, sets up preceding storehouse board 23, a plurality of middle storehouse partition panel 24 and the back storehouse board 25 of keeping apart the battery package storage bin along the frame axial, and cover at the battery storehouse bottom plate 26 of frame lower floor's frame 13 lower surface.
Battery pack storage bins are formed between the frame upper layer frame 12 and the frame lower layer frame 13, the left side and the right side ring groups 14 isolate the battery pack storage bins into a plurality of small spaces, and the front bin sealing plate 23, the middle bin partition plate 24 and the rear bin sealing plate 25 are arranged on the left side and the right side ring groups 14.
The upper cargo box closure panel 22 overlies the surface of the upper frame 12 of the vehicle frame.
The upper frame 12 includes two first longitudinal beams 121 arranged in parallel, and a plurality of first cross beams 122 arranged between the two first longitudinal beams 121, where the first longitudinal beams 121 and the first cross beams 122 are in a hat-shaped beam structure and include an integrally formed U-shaped portion 1211 and a horizontal connecting portion 1212 arranged at both side ends of the U-shaped portion 1211 and turned outwards by 90 °.
Frame lower floor frame 13 includes two second longerons 131 of parallel arrangement and sets up a plurality of second crossbeams 132 between two second longerons 131, second longeron 131, second crossbeam 132 are the same with first longeron 121 structure, upper packing box shrouding 22, make a supporting beam form enclosed construction after crossbeam and the longeron spot welding in battery compartment bottom plate 26 and the upper and lower layer frame of frame main part 1 are connected, structural strength has been improved greatly, upper packing box shrouding 22 has still acted as the packing box floor simultaneously, make whole car packing box no longer need spread bamboo glue or PVC floor, realize the simplification of packing box and frame coupling mechanism, be favorable to losing of whole car.
The left and right side ring groups 14 are of a four-sided frame structure, the upper and lower cross beams are both hat-shaped cross beams, the left and right side support beams are C-shaped vertical beams, and the hat-shaped cross beams and the C-shaped beam are connected by bent C-shaped connecting pieces. The openings of the upper hat-shaped cross beam and the lower hat-shaped cross beam are respectively outward and are used for realizing a closed structure with the spot welding of the corrugated plate.
The main longitudinal beam of the traditional girder type frame is a C-shaped beam with an equal section or a variable section, and the sizes of wing surfaces are equal up and down. The main longitudinal beam of the frame in this embodiment is in a form of combining the hat-shaped cross section and the C-shaped beam, the size of the cross section is set according to the factors such as the operation space of the welding gun end, the distance of the welding spots, the length of the lap joint edge, and the like, after the spot welding of the opening end face (i.e., the horizontal connecting portion 1212) and the corrugated plate, the bending resistance and the torsion resistance are better than those of the traditional frame structure, and the manufacturing process can be roll forming or other forming modes.
Each assembly of the frame can be arranged on different production stations for manufacturing, and then assembled and matched according to the reserved positioning holes. The modular design is beneficial to improving the production efficiency. Under the same condition of vehicle length and load, the strength, bending rigidity and torsional rigidity of the bicycle frame are all superior to those of the traditional bicycle frame, and the mass can be reduced by about 15%.
The front section assembly 11 and the front driving area sealing plate 21 replace the driving area and the container floor of the traditional vehicle; part of the corrugated plates and the cap-shaped beam below or above the corrugated plates form a closed structure, so that the overall strength of the cap-shaped beam is improved; the corrugated board in the middle section area can be used as a warehouse separating partition board and can also improve the structural strength of the covered area.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. The utility model provides a lightweight electronic commodity circulation car frame structure which characterized in that: it includes the frame main part, covers and is in the corrugated sheet assembly on frame main part surface, the frame main part comprises hat shape longeron, hat shape crossbeam and C shape auxiliary beam and constitutes the main frame, the hat shape longeron with the hat shape crossbeam includes integrated into one piece's U type portion and sets up U type portion both sides tip turns over the horizontal connecting portion that turns over 90 outwards, corrugated sheet in the corrugated sheet assembly with the hat shape longeron or the hat shape crossbeam the horizontal connecting portion spot welding is connected and is formed the enclosed construction.
2. The light-weight electric logistics vehicle frame structure of claim 1, wherein: the frame main part includes anterior segment assembly, frame upper frame, frame lower floor's frame, sets up frame upper frame with a plurality of left and right sides ring group, frame back end frame between the frame lower floor's frame and set up and be in the left back storehouse skeleton and the right back storehouse skeleton of frame back end frame both sides.
3. The light-weight electric logistics vehicle frame structure of claim 2, wherein: and a battery pack storage bin is formed between the upper frame layer frame and the lower frame layer frame, and the battery pack storage bin is isolated into a plurality of small spaces by the left side ring group and the right side ring group.
4. The light-weight electric logistics vehicle frame structure of claim 3, wherein: corrugated sheet assembly is including covering preceding driver's area shrouding and the upper packing box shrouding of the whole upper surface of frame main part, set up along the frame axial and keep apart preceding storehouse board, a plurality of intermediate bin partition panels and the back storehouse board of battery package containing storehouse and cover the battery storehouse bottom plate of frame lower floor's frame lower surface.
5. The light-weight electric logistics vehicle frame structure of claim 4, wherein: the front cabin sealing plate, the middle cabin partition plate and the rear cabin sealing plate are arranged on the left side ring group and the right side ring group.
6. The light-weight electric logistics vehicle frame structure of claim 4, wherein: the upper container sealing plate covers the surface of the upper frame of the frame.
7. The light-weight electric logistics vehicle frame structure of claim 2, wherein: the frame upper frame comprises two first longitudinal beams arranged in parallel and a plurality of first cross beams arranged between the first longitudinal beams, wherein the first longitudinal beams and the first cross beams are of cap-shaped beam structures and comprise integrally formed U-shaped portions and horizontal connecting portions arranged at two side end portions of the U-shaped portions and folded outwards by 90 degrees.
8. The light-weight electric logistics vehicle frame structure of claim 7, wherein: the frame lower layer frame comprises two second longitudinal beams arranged in parallel and a plurality of second cross beams arranged between the two second longitudinal beams, and the second longitudinal beams and the second cross beams are identical to the first longitudinal beams in structure.
9. The light-weight electric logistics vehicle frame structure of claim 2, wherein: the left side and the right side ring groups are of four-side frame structures, the upper cross beam and the lower cross beam are cap-shaped cross beams, and the supporting beams on the left side and the right side are C-shaped vertical beams.
10. The light-weight electric logistics vehicle frame structure of claim 9, wherein: and the openings of the upper and lower hat-shaped cross beams are respectively outward and are used for realizing a closed structure by spot welding with the corrugated board in the corrugated board assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921571568.3U CN211336175U (en) | 2019-09-20 | 2019-09-20 | Lightweight electric logistics vehicle frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921571568.3U CN211336175U (en) | 2019-09-20 | 2019-09-20 | Lightweight electric logistics vehicle frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211336175U true CN211336175U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921571568.3U Active CN211336175U (en) | 2019-09-20 | 2019-09-20 | Lightweight electric logistics vehicle frame structure |
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| Country | Link |
|---|---|
| CN (1) | CN211336175U (en) |
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2019
- 2019-09-20 CN CN201921571568.3U patent/CN211336175U/en active Active
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