CN211617705U - Novel magnetic suspension car body chassis - Google Patents
Novel magnetic suspension car body chassis Download PDFInfo
- Publication number
- CN211617705U CN211617705U CN202020013732.5U CN202020013732U CN211617705U CN 211617705 U CN211617705 U CN 211617705U CN 202020013732 U CN202020013732 U CN 202020013732U CN 211617705 U CN211617705 U CN 211617705U
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- Prior art keywords
- chassis
- sleeper
- sleeper beam
- underframe
- welding
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- 239000000725 suspension Substances 0.000 title claims abstract description 15
- 241001669679 Eleotris Species 0.000 claims abstract description 59
- 238000003466 welding Methods 0.000 claims abstract description 52
- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000005339 levitation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel chassis of a magnetic suspension vehicle body, which comprises a sleeper beam, a chassis boundary beam and a chassis middle beam; the sleeper beam is a U-shaped support body of an integrally formed structure; the chassis boundary beam and the chassis middle beam are of an integrally formed structure with the car body bottom plate, the chassis boundary beam and the chassis middle beam are symmetrically arranged on the lower end surface of the car body bottom plate, the chassis boundary beam is arranged on the outer side, the upper end surface of the chassis boundary beam upwards protrudes to form a protrusion, a first welding platform matched with the sleeper beam assembly welding platform is formed on two sides of the protrusion, the upper end surface of the chassis middle beam upwards protrudes to form a protrusion, and a second welding platform matched with the sleeper beam assembly welding platform is formed on two sides of the protrusion; and the sleeper beam assembling and welding platforms at the two ends of the sleeper beam are respectively welded on the first welding platform and the second welding platform. The utility model provides a welding volume too big and easy deformation, bolt structure safety risk height and the big problem of the assembly degree of difficulty.
Description
Technical Field
The utility model relates to a magnetic suspension vehicle body structure field, concretely relates to novel magnetic suspension vehicle body chassis.
Background
The chassis of the magnetic suspension train body comprises a sleeper beam support, and the existing sleeper beam mainly has two modes, namely a group welding mode and an assembly mode.
Existing design 1: the adoption of the form of pulling the rectangular pipe left and right to pass through and assembling and welding the sleeper beam can cause overlarge welding amount, large deformation after welding, unattractive forming and heavy weight, and the sleeper beam part has larger size and is easy to deform when being hoisted, assembled and welded.
Existing design 2: the sleeper beam structure form that is independent fixed and slip table is adopted, bolt connection with the automobile body again, though sleeper beam installation is independent, the clearance that the macropore was installed exists in bolt connection department, and the assembly requirement is high to and bolt installation's pretension reliability, increased the degree of difficulty of daily maintenance, when meetting the vehicle and passing through the bend, there is the shearing force in the bolt installation still, increased the risk in the aspect of vehicle safety.
SUMMERY OF THE UTILITY MODEL
Based on the above defect, the utility model provides a novel magnetic suspension automobile body chassis solves the problem that the welding volume is too big and easy deformation, bolt structure safety risk is high and the assembly degree of difficulty is big.
The utility model discloses a following technical scheme realizes:
a novel magnetic suspension train body underframe comprises a sleeper beam, underframe boundary beams and underframe middle beams;
the sleeper beam is a U-shaped supporting body of an integrally formed structure, the bottom wall of the U-shaped supporting body is a bolting platform, and two end parts of the U-shaped supporting body are sleeper beam assembling and welding platforms;
the chassis boundary beam and the chassis middle beam are of an integrally formed structure with the car body bottom plate, the chassis boundary beam and the chassis middle beam are symmetrically arranged on the lower end surface of the car body bottom plate, the chassis boundary beam is arranged on the outer side, the upper end surface of the chassis boundary beam upwards protrudes to form a protrusion, a first welding platform matched with the sleeper beam assembly welding platform is formed on two sides of the protrusion, the upper end surface of the chassis middle beam upwards protrudes to form a protrusion, and a second welding platform matched with the sleeper beam assembly welding platform is formed on two sides of the protrusion;
and the sleeper beam assembling and welding platforms at the two ends of the sleeper beam are respectively welded on the first welding platform and the second welding platform.
Bolt platform is used for realizing the sleeper beam automobile body chassis promptly and suspension frame slip table cooperation assembly, the outside is the position that relative chassis centre sill set up, and chassis boundary beam sets up the one end of being close to the automobile body bottom plate lateral wall promptly.
The utility model discloses a sleeper beam is made alone, and chassis boundary beam and chassis centre sill and automobile body bottom plate are integrated into one piece structure, and the sleeper beam assembly welding platform at sleeper beam both ends welds respectively on first welding platform and second welding platform, has effectively reduced weld area and welding volume, has solved yielding problem then, with having avoided the problem that bolt structure safety risk is high and the assembly degree of difficulty is big, and has the pleasing to the eye advantage of shaping.
And simultaneously, the utility model discloses still have the advantage of simple structure, easily preparation. The utility model discloses a protruding design has alleviateed the weight of chassis, improves the vehicle and carries passenger performance.
Furthermore, the underframe edge beam, the underframe middle beam and the car body bottom plate are prepared by extrusion molding.
The extrusion molding is prior art.
Further, the outer side wall of the underframe edge beam is flush with the outer side wall of the car body bottom plate.
Furthermore, the underframe edge beams and the underframe middle beams are vertically arranged on the lower end surface of the car body bottom plate.
Furthermore, a lightening hole is formed in the middle beam of the underframe.
The weight of the frame is further reduced by the arrangement of the lightening holes.
Furthermore, the sleeper beam is formed by extrusion of aluminum alloy sections, and the bolting platform is provided with mounting holes matched with the suspension frame sliding tables.
Furthermore, the underframe boundary beams and the underframe intermediate beams are made of aluminum alloy sections.
The aluminum alloy section bar is the prior art.
Further, be provided with 2 rows of support pieces on the automobile body bottom plate, every row of support piece includes a plurality of sleeper beam supports, and every sleeper beam support includes 1 chassis boundary beam, 1 chassis centre sill and 2 sleeper beams.
The sleeper beams on the whole vehicle body bottom plate are separated from each other and are not interfered with each other, and the sleeper beams and the vehicle body bottom plate are connected into a whole, so that the strength required by the vehicle body and the use function of the sleeper beams are effectively ensured.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model discloses a sleeper beam is made alone, and chassis boundary beam and chassis centre sill and automobile body bottom plate are integrated into one piece structure, and the sleeper beam assembly welding platform at sleeper beam both ends welds respectively on first welding platform and second welding platform, has effectively reduced weld area and welding volume, has solved yielding problem then, with having avoided the problem that bolt structure safety risk is high and the assembly degree of difficulty is big, and has the pleasing to the eye advantage of shaping.
2. The utility model discloses a design of protruding design and lightening hole has all alleviateed the weight of chassis, just the roof beam all adopts aluminium alloy ex-trusions in the middle of sleeper beam, chassis boundary beam and the chassis, has the advantage that weight is low, improves the vehicle and carries passenger performance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of a vehicle body underframe mated with a vehicle body;
FIG. 2 is a schematic view of the structure of the bolster;
FIG. 3 is a schematic view of the construction of the undercarriage edge rails;
fig. 4 is a schematic structural view of the underframe intermediate beam.
Reference numbers and corresponding part names in the drawings:
1-sleeper beam, 2-underframe boundary beam, 3-underframe middle beam, 11-bolting platform, 12-sleeper beam assembly welding platform, 21-first welding platform, 31-second welding platform and 32-lightening hole.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1:
as shown in fig. 1-4, a novel chassis of a magnetic levitation vehicle body comprises a sleeper beam 1, a chassis boundary beam 2 and a chassis middle beam 3;
the sleeper beam 1 is a U-shaped support body of an integrally formed structure, the bottom wall of the U-shaped support body is a bolting platform 11, and two end parts of the U-shaped support body are sleeper beam assembling and welding platforms 12;
the chassis boundary beam 2, the chassis middle beam 3 and the vehicle body bottom plate are of an integrally formed structure, the chassis boundary beam 2, the chassis middle beam and the vehicle body bottom plate are prepared by extrusion molding, the chassis boundary beam 2 and the chassis middle beam 3 are symmetrically arranged on the lower end face of the vehicle body bottom plate, the chassis boundary beam 2 and the chassis middle beam 3 are vertically arranged on the lower end face of the vehicle body bottom plate, the chassis boundary beam 2 is arranged on the outer side, the outer side wall of the chassis boundary beam 2 is flush with the outer side wall of the vehicle body bottom plate, the upper end face of the chassis boundary beam 2 upwards protrudes to form a protrusion, a first welding platform 21 matched with the sleeper beam assembly welding platform 12 is formed on two sides of the protrusion, the upper end face of the chassis middle beam 3 upwards protrudes to form a protrusion, and second welding platforms 31 matched with the sleeper beam assembly welding platform 12 are formed on two sides of the protrusion;
and the sleeper beam assembling and welding platforms 12 at the two ends of the sleeper beam 1 are respectively welded on the first welding platform 21 and the second welding platform 31.
In this embodiment, the vehicle body bottom plate is provided with 2 rows of supporting members, each row of supporting members includes a plurality of sleeper beam supporting bodies, and each sleeper beam supporting body includes 1 underframe boundary beam 2, 1 underframe middle beam 3 and 2 sleeper beams 1.
In this embodiment, the first welding platform 21 and the second welding platform 31 are obtained by integrally forming and then cutting.
This embodiment adopts sleeper beam 1 to make alone, and chassis boundary beam 2 and chassis centre sill 3 are the integrated into one piece structure with vehicle body bottom plate, and the sleeper beam assembly welding platform 12 at sleeper beam 1 both ends welds respectively on first welded platform 21 and second welded platform 31, has effectively reduced weld area and welding volume, has solved yielding problem then, with avoided the problem that bolt structure safety risk is high and the assembly degree of difficulty is big, and has the pleasing to the eye advantage of shaping.
Example 2:
as shown in fig. 1 to 4, in the present embodiment, based on embodiment 1, a lightening hole 32 is provided on the underframe intermediate beam 3; the sleeper beam 1 is formed by extrusion of aluminum alloy sections, and the bolted platform 11 is provided with mounting holes matched with the sliding table of the suspension frame; the underframe boundary beam 2 and the underframe middle beam 3 are made of aluminum alloy sections.
In this embodiment, the bolster 1, the underframe boundary beam 2 and the underframe middle beam 3 are all made of aluminum alloy sections, so that the weight is low, and the weight is further reduced by arranging the lightening holes 32.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A novel magnetic suspension train body underframe is characterized by comprising a sleeper beam (1), underframe boundary beams (2) and underframe middle beams (3);
the sleeper beam (1) is a U-shaped support body of an integrally formed structure, the bottom wall of the U-shaped support body is a bolting platform (11), and two end parts of the U-shaped support body are sleeper beam assembling and welding platforms (12);
the chassis boundary beam (2), the chassis middle beam (3) and a vehicle body bottom plate are of an integrally formed structure, the chassis boundary beam (2) and the chassis middle beam (3) are symmetrically arranged on the lower end face of the vehicle body bottom plate, the chassis boundary beam (2) is arranged on the outer side, the upper end face of the chassis boundary beam (2) upwards protrudes to form a protrusion, first welding platforms (21) matched with the sleeper beam assembly welding platform (12) are formed on two sides of the protrusion, the upper end face of the chassis middle beam (3) upwards protrudes to form a protrusion, and second welding platforms (31) matched with the sleeper beam assembly welding platform (12) are formed on two sides of the protrusion;
and sleeper beam assembling and welding platforms (12) at two ends of the sleeper beam (1) are respectively welded on the first welding platform (21) and the second welding platform (31).
2. The novel magnetic suspension train body underframe according to claim 1, characterized in that the underframe edge beams (2), underframe middle beams (3) and train body bottom plates are prepared by extrusion molding.
3. The novel magnetic levitation vehicle chassis as claimed in claim 1, characterised in that the outer side walls of the chassis edge beams (2) are flush with the outer side walls of the vehicle floor.
4. The novel magnetic levitation vehicle chassis as claimed in claim 1, characterized in that the chassis edge beams (2) and the chassis center beam (3) are arranged vertically on the lower end face of the vehicle body floor.
5. The novel magnetic levitation vehicle chassis as claimed in claim 1, characterised in that the chassis centre bar (3) is provided with lightening holes (32).
6. The novel magnetic suspension train body underframe as claimed in claim 1, wherein the sleeper beam (1) is formed by extrusion of aluminum alloy sections, and the bolting platform (11) is provided with mounting holes for matching with a sliding table of a suspension frame.
7. The novel magnetic levitation vehicle chassis as claimed in claim 1, characterized in that the chassis edge beams (2) and the chassis center beam (3) are made of aluminum alloy profiles.
8. A new type of maglev car chassis according to any one of claims 1 to 7, characterized in that there are 2 rows of supports on the car floor, each row of supports comprising a plurality of sleeper beam supports, each sleeper beam support comprising 1 chassis edge beam (2), 1 chassis center beam (3) and 2 sleeper beams (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020013732.5U CN211617705U (en) | 2020-01-03 | 2020-01-03 | Novel magnetic suspension car body chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020013732.5U CN211617705U (en) | 2020-01-03 | 2020-01-03 | Novel magnetic suspension car body chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211617705U true CN211617705U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020013732.5U Active CN211617705U (en) | 2020-01-03 | 2020-01-03 | Novel magnetic suspension car body chassis |
Country Status (1)
| Country | Link |
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| CN (1) | CN211617705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519817A (en) * | 2020-11-27 | 2021-03-19 | 中铁磁浮科技（成都）有限公司 | Vehicle body chassis structure of medium-low speed magnetic levitation vehicle |
-
2020
- 2020-01-03 CN CN202020013732.5U patent/CN211617705U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519817A (en) * | 2020-11-27 | 2021-03-19 | 中铁磁浮科技（成都）有限公司 | Vehicle body chassis structure of medium-low speed magnetic levitation vehicle |
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| TR01 | Transfer of patent right |
Effective date of registration: 20221027 Address after: No.4 Huoju Road, hi tech Development Zone, Baoji City, Shaanxi Province 721000 Patentee after: CHINA RAILWAY BAOJI BRIDGE GROUP Co.,Ltd. Address before: 610000 China Railway Rail Transit high tech Industrial Park, NO.666, jinfenghuang Avenue, Jinniu District, Chengdu, Sichuan Province Patentee before: CHINA RAILWAY MAGLEV SCIENCE & TECHNOLOGY (CHENGDU) Co.,Ltd. |