CN113147811B - Shoulder connection special-shaped structure of high-speed motor train unit body - Google Patents
Shoulder connection special-shaped structure of high-speed motor train unit body Download PDFInfo
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- CN113147811B CN113147811B CN202110480232.1A CN202110480232A CN113147811B CN 113147811 B CN113147811 B CN 113147811B CN 202110480232 A CN202110480232 A CN 202110480232A CN 113147811 B CN113147811 B CN 113147811B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/043—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to the technical field of rail transit equipment, in particular to a shoulder connection special-shaped structure of a high-speed motor train unit body, wherein a top beam connecting plate comprises a first top plate and a first side plate; the side beam connecting plate comprises a second top plate and a second side plate; the connecting beam comprises a connecting surface and an outer supporting surface, and the connecting surface comprises a first bonding surface and a second bonding surface; the first bonding surface is at least partially bonded with the first side plate, and the second bonding surface is at least partially bonded with the second top plate and/or the second side plate; the side wall is used for covering the second top plate and is at least partially embedded between the side beam connecting plate and the second joint surface; and an upper top plate covering the first top plate and the outer supporting surface. In the invention, the shoulder connection mode capable of effectively reducing the size of the connecting beam is provided, the connecting beam is attached to the first side plate through the first attaching surface, and the upper top plate covers the first top plate and the outer supporting surface, so that the connecting beam and the top beam form a relatively integral structure mode, and a stable position relation is established.
Description
Technical Field
The invention relates to the technical field of rail transit equipment, in particular to a shoulder connection special-shaped structure of a high-speed motor train unit body.
Background
At present, most of high-speed motor train unit bodies adopt a full-bearing type aluminum alloy structure, the full-bearing type aluminum alloy body consists of a chassis, side walls, a roof, an end wall and a cab, all components are welded by large aluminum alloy extruded profiles, all components are welded, and the full-bearing type aluminum alloy body bears all loads in the running process of the high-speed motor train unit.
In the technical development process, in order to meet the light-weight requirement of the high-speed motor train unit, a plurality of factories form the side wall, the roof and the end wall through composite materials, the weight of the vehicle body is greatly reduced, the running speed of the high-speed motor train unit is further improved, the connecting beam body is adopted in the shoulder connection process of the side wall and the roof of the materials, in order to ensure the structural stability of the connecting beam body, the structure is reinforced in a mode of large connecting beam body size, and the material use and processing cost of the connecting beam body are increased in an intangible way.
In view of the above problems, the present designer actively researches and innovates based on the practical experience and expertise which are rich for years in the application of such product engineering and in combination with the application of the theory, so as to design a shoulder connection special-shaped structure of a high-speed motor train unit body.
Disclosure of Invention
The invention provides a shoulder connection special-shaped structure of a high-speed motor train unit body, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a shoulder connection special-shaped structure of a high-speed motor train unit body comprises:
a header connection plate provided by the header, the header connection plate comprising a first top plate and a first side plate;
a side sill connecting panel provided by the side sill, the side sill connecting panel including a second top panel and a second side panel;
the connecting beam comprises a connecting surface and an outer supporting surface, and the connecting surface comprises a first bonding surface and a second bonding surface; the first bonding surface is at least partially bonded with the first side plate, and the second bonding surface is at least partially bonded with the second top plate and/or the second side plate;
the side wall is used for covering the second top plate and is at least partially embedded between the side beam connecting plate and the second bonding surface;
an upper top plate which covers the first top plate and the outer supporting surface and is in butt joint with the turning part of the side wall;
the top beam, the side beam, the connecting beam, the side wall and the upper top plate are all of composite material structures.
Further, the connecting beam comprises a first flange structure, a local indentation area is arranged on the edge of the first top plate, and the indentation area is filled by the first flange structure to form a smooth surface.
Further, the top beam and the connecting beam are of independent forming structures, and the upper top plate is connected with the top beam and the connecting Liang Guhua in the self forming process.
Further, the novel folding type folding plate comprises a connecting plate body, wherein a local retraction area is arranged at the edge of the first top plate, one end of the connecting plate body is filled in the retraction area to form a smooth surface, the middle part of the connecting plate body is inserted between the first side plate and the first bonding surface, between the second bonding surface and the second top plate and/or between the second side plate, and the other end of the connecting plate body is bonded with the edge of the upper top plate.
Further, a partial concave area is formed in the side beam, the upper top plate covers the partial position of the concave area, and a mounting space of the sealing element is formed between the upper top plate and the concave area.
Further, the connecting beam comprises a second flange structure, and the second flange structure supports the upper top plate in the installation space.
Further, the connecting surface further comprises a third bonding surface, and the third bonding surface is positioned between the first bonding surface and the second bonding surface;
and the edges of the top beams and/or the side beams are provided with supporting edges, and the edges of the side walls are inserted between the supporting edges and the third joint surfaces.
Further, the connecting surface further comprises a third bonding surface, and the third bonding surface is positioned between the first bonding surface and the second bonding surface;
the metal bending plate is respectively connected with the third joint surface and the second side plate.
Further, the connecting beam further comprises a metal connecting plate, wherein the metal connecting plate connects the second side plate and the back surface of the first side plate relative to the mounting side of the connecting beam.
Further, the T-shaped metal plate is further included, the first edge of the T-shaped metal plate is in fit connection with the second fit surface, the T-shaped metal plate is locally inserted between the second fit surface and the second top plate, and the second edge vertically connected with the middle of the first edge is in fit connection with the second side plate.
By the technical scheme of the invention, the following technical effects can be realized:
the invention provides a shoulder connection mode capable of effectively reducing the size of a connecting beam, wherein the connecting beam is attached to a first side plate through a first attaching surface and covers a first top plate and an outer supporting surface by an upper top plate, so that the connecting beam and a top beam form a relatively integral structure, and a stable position relationship is established among the upper top plate, the connecting beam and the top beam. After the structure forms a stable whole, the side beams are pressed together, and the side beams support and fix the whole structure through the joint arrangement of the second joint surface and the second top plate and/or the second side plate, so that a stable shoulder connecting structure can be obtained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is an exploded schematic view and a corresponding overall schematic view of one embodiment of a shoulder connection profile of a high speed motor train unit body;
FIG. 2 is a partial schematic view of the header;
FIG. 3 is a partial schematic view of a side sill;
FIG. 4 is a schematic view of a structure of a connecting beam;
FIG. 5 is a schematic structural view of a second embodiment of a shoulder connection profile of a high speed motor train unit body;
FIG. 6 is a schematic structural view of a third embodiment of a shoulder joint profile of a high speed motor train unit body;
FIG. 7 is a schematic view of a fourth embodiment of a shoulder connection profile of a high speed motor train unit body;
FIG. 8 is a schematic structural view of a fifth embodiment of a shoulder joint profile of a high speed motor train unit body;
FIG. 9 is an optimized schematic view of a connecting beam;
FIG. 10 is an enlarged view of a portion of FIG. 5A;
FIG. 11 is a partial enlarged view at B in FIG. 6;
FIG. 12 is a schematic view of the arrangement of the support rims;
FIG. 13 is an enlarged view of a portion of FIG. 7 at C;
FIG. 14 is a partial enlarged view at D in FIG. 5;
FIG. 15 is an enlarged view of a portion of FIG. 1 at E;
reference numerals:
1. a top beam connecting plate; 11. a first top plate; 11a, a retraction area; 12. a first side plate; 2. a side beam connecting plate; 21. a second top plate; 22. a second side plate; 23. a recessed region; 3. a connecting beam; 31. a connection surface; 31a, a first bonding surface; 31b, a second bonding surface; 31c, a third bonding surface; 32. an outer support surface; 33. a first flange structure; 34. a second flange structure; 4. a side wall; 5. an upper top plate; 6. a connecting plate body; 7. an installation space; 8. a support edge; 9. a metal bent plate; 10. a metal connecting plate; 101. t-shaped metal plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 15, a shoulder connection special-shaped structure of a high-speed motor train unit body includes: a header connection plate 1 provided by a header, the header connection plate 1 comprising a first top plate 11 and a first side plate 12; a side member connecting plate 2 provided by a side member, the side member connecting plate 2 including a second top plate 21 and a second side plate 22; the connecting beam 3 comprises a connecting surface 31 and an outer supporting surface 32, wherein the connecting surface 31 comprises a first abutting surface 31a and a second abutting surface 31b; the first bonding surface 31a is at least partially bonded to the first side plate 12, and the second bonding surface is at least partially bonded to the second top plate 21 and/or the second side plate 22; the side wall 4 is covered on the second top plate 21 and is at least partially embedded between the side beam connecting plate 2 and the second bonding surface; an upper top plate 5 covering the first top plate 11 and the outer support surface 32 and abutting against the turning part of the side wall 4; the top beam, the side beams, the connecting beam 3, the side walls 4 and the upper top plate 5 are all of composite material structures.
In the present invention, a shoulder connection form capable of effectively reducing the size of the connection beam 3 is provided, wherein the connection beam 3 is attached to the first side plate 12 through the first attaching surface 31a, and the upper top plate 5 covers the first top plate 11 and the outer supporting surface 32, so that the connection beam 3 and the top beam form a relatively integral structure, and a stable positional relationship is established among the upper top plate 5, the connection beam 3 and the top beam. After the above-mentioned structure is formed into a stable whole, the side beams are pressed together, and the side beams support and fix the above-mentioned whole structure through the bonding arrangement of the second bonding surface 31b and the second top plate 21 and/or the second side plate 22, so that a stable shoulder connection structure can be obtained.
In the implementation process, the connecting beam 3 obtains the relative integrity with the top beam, so the strength of the top beam can be used for enhancing the structure of the connecting beam 3, and the size of the connecting beam 3 can be effectively reduced and the same structural strength can be obtained in the form that the connecting beam 3 is respectively and independently connected with the top beam and the side beam.
In the implementation process, as shown in fig. 1 and 5, the structural form of the second bonding surface 31b and the second top plate 21 that are partially bonded is respectively shown; as shown in fig. 6 and 7, two structural forms of the second attaching surface 31b and the second side plate 22 are respectively shown in all and partial attaching arrangement; as shown in fig. 8, the second attaching surface 31b is partially attached to the second side plate 22 and the second top plate 21, and all the above structures are within the scope of the present invention.
Of course, for each of the above structural forms, it should be emphasized that, whether the first bonding surface 31a, the second bonding surface 31b, the first side plate 12, the second top plate 21 or the second side plate 22 may be a flat surface or a surface with a bending region, only the bonding relationship needs to be ensured; the division of the top surface and the side surfaces is understood by a person of ordinary skill in the art.
The connecting beam 3 includes a first flange structure 33, a local indented area 11a is provided on the edge of the first top plate 11, and the first flange structure 33 fills the indented area 11a to form a smooth surface.
As shown in fig. 2, 5-9, in order to further improve the integrity of the connecting beam 3 and the top beam, in this preferred embodiment, the area of the connecting surface 31 of the connecting beam 3 and the top beam is effectively increased by the arrangement of the first flange structure 33, so that the structural stability after connection is effectively improved, wherein the shape design of the connecting beam 3 does not affect the integrity.
Aiming at the forming characteristics of the composite material, in order to improve the integrity of shoulder connection, the forming process of the upper top plate 5 is fully utilized in the preferred scheme to realize the integrated connection with the top beam and the connecting beam 3, the top beam and the connecting beam 3 are of independent forming structures, and the upper top plate 5 is fixedly connected with the top beam and the connecting beam 3 in the self forming process.
Of course, the above connection form has high requirements for positioning the top beam and the connection beam 3 during the forming process of the top plate 5, so that, as an alternative to the above embodiment, the top plate 5 may be an independent forming structure, and the connection between the top beam and the connection beam 3 is established by means of bonding or fixing by a connecting piece, which is within the scope of the present invention.
For the same technical purpose as the above embodiment, as a preferable mode, the device further comprises a connecting plate body 6, wherein a local retraction area 11a is arranged at the edge of the first top plate 11, one end of the connecting plate body 6 fills the retraction area 11a to form a smooth surface, the middle part of the connecting plate body 6 is inserted between the first side plate 12 and the first bonding surface 31a and between the second bonding surface 31b and the second top plate 21 and/or the second side plate 22, and the other end of the connecting plate body 6 is bonded with the edge of the upper top plate 5; wherein, the connecting plate body 6 is fixedly connected with the top beam, the side beam and the connecting beam 3 in the self-forming process.
In this preferred embodiment, the upper top plate 5 may be a preformed independent structure, or may be co-cured with the connecting plate 6, and by the arrangement of the connecting plate 6, the connecting beam 3 is integrally covered with the upper top plate 5 and the connecting plate 6, and is fixed between the top beam and the upper top plate 5, so that on one hand, the integrity of the top beam and the connecting beam 3 is improved, and on the other hand, the connection between the connecting beam 3 and the side beam is also established to a certain extent.
Of course, for the use of the connecting plate 6, a preformed independent structure may be adopted, and the connection may be established with other structures by means of adhesion or fixing of connecting members, and the preferred embodiment is provided only as a preferred embodiment, but the specific mode may be selected according to the specific application scenario and production condition.
As a preferred embodiment of the above, a partial recessed area 23 is provided on the side member, and the upper top plate 5 covers a partial position of the recessed area 23 and forms the installation space 7 of the seal with the recessed area 23.
In order to avoid the problems, the sealing element is arranged by forming the mounting space 7 in the preferred scheme, so that the complete sealing of the area is realized, the buffer and shock absorption effects are also realized, and the service life of the structural position is effectively prolonged.
In the implementation process, as shown in fig. 10, the recessed area 23 may be located in a corresponding area on the second top plate 21, where the side wall 4 and the second top plate 21 are adaptively formed to form the recessed area 23 on the outer surface, or, as shown in fig. 11, the recessed area 23 may be located in a connection area between the second top plate 21 and the second side plate 22, where the side wall 4 is also adaptively formed. For the use of the seal, conventional sealing strip forms may be employed.
The connecting beam 3 comprises a second flange structure 34, which second flange structure 34 supports the upper top plate 5 in the mounting space 7. Referring to fig. 9 to 11, the edge of the upper top plate 5 is reinforced by the arrangement of the second flange structure 34, so that the installation stability of the sealing element is effectively improved. Specifically, the sealing member can be attached to the upper top plate 5 or the second flange structure 34, and the sealing member has elasticity, so that the requirement on the strength of the structure is small. The concave area 23 is used for accommodating the sealing element, so that the service life of the sealing element is effectively prolonged, and the stability of the position of the sealing element is ensured.
As a preference of the above embodiment, the connection surface 31 further includes a third bonding surface 31c, and the third bonding surface 31c is located between the first bonding surface 31a and the second bonding surface; the edge of the top beam and/or the side beam is provided with a supporting edge 8, and the edge of the side wall 4 is inserted between the supporting edge 8 and the third joint surface 31 c.
In the preferred scheme, through the setting of the support edge 8, the support beam obtains better location between the support edge 8 and the upper top plate 5, wherein, preferably, the support edge 8 is all arranged on the top beam and the measuring edge, thereby the above-mentioned location effect is better, and a certain connection relationship can be established between the side wall 4 and the top beam and the connecting beam 3.
For the connection beam 3, it is preferable to form by means of pultrusion, and in the course of forming, the cavity structure is formed synchronously, and for structural reinforcement purposes, the reinforcing rib body can also be formed synchronously in the cavity, and the formation of the cavity structure is advantageous in connection with the connection member fixing problem when the connection is established by the connection member.
Alternatively, the connection surface 31 further includes a third bonding surface, and the third bonding surface is located between the first bonding surface 31a and the second bonding surface 31b; and a metal bending plate 9, wherein the metal bending plate 9 is respectively connected with the third joint surface and the second side plate 22.
For the use of the metal connecting member, as shown in fig. 13, a connection relationship is established between the connecting beam 3 and the side beam, and in view of toughness possessed by metal, the use of the metal connecting member herein increases stable connection between the structural whole established by the top beam and the connecting beam 3 and the side beam, and under the condition of encountering stronger external force, the use of the metal member can obtain better flexibility and improve impact resistance.
For the same technical purpose, a metal connection plate 10 is also included, the metal connection plate 10 connecting the second side plate 22 with the back of the first side plate 12 on the side where the connection beam 3 is mounted. Referring to fig. 14, this way, as another optimization way, as shown in fig. 15, the connection relation between the top beam and the side beam is directly established, and the connection relation further includes a T-shaped metal plate 101, where a first edge of the T-shaped metal plate 101 is attached to the second attaching surface 31b, and is partially inserted between the second attaching surface 31b and the second top plate 21, and a second edge perpendicular to the middle of the first edge is attached to the second side plate 22. In this way, the metal structure also establishes a fixed relationship between the connecting beam 3 and the side member, but instead, a partially clad structure is formed to the side member, the relative position of the side member is restricted in two directions with respect to the above-described first form, and a reinforcing rib structure may be added in order to improve the structural strength of the T-shaped metal plate.
In the implementation process of the invention, the connection and fixation of the metal structure are preferably performed through the connecting piece, and the connection of the plate body through the connecting piece is easy to realize as shown by lines in the figure.
The foregoing has outlined and described the basic principles, features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Shoulder connection special-shaped structure of high-speed EMUs automobile body, its characterized in that includes:
a header connection plate provided by the header, the header connection plate comprising a first top plate and a first side plate;
a side sill connecting panel provided by the side sill, the side sill connecting panel including a second top panel and a second side panel;
the connecting beam comprises a connecting surface and an outer supporting surface, and the connecting surface comprises a first bonding surface and a second bonding surface; the first bonding surface is at least partially bonded with the first side plate, and the second bonding surface is at least partially bonded with the second top plate and/or the second side plate;
the side wall is used for covering the second top plate and is at least partially embedded between the side beam connecting plate and the second bonding surface;
an upper top plate which covers the first top plate and the outer supporting surface and is in butt joint with the turning part of the side wall;
the top beam, the side beam, the connecting beam, the side wall and the upper top plate are all of composite material structures.
2. The high-speed motor train unit body shoulder connection special-shaped structure according to claim 1, wherein the connection beam comprises a first flange structure, a local indentation area is arranged on the edge of the first top plate, and the indentation area is filled by the first flange structure to form a smooth surface.
3. The shoulder connection special-shaped structure of the high-speed motor train unit body according to claim 1 or 2, wherein the top beam and the connecting beam are of independent forming structures, and the upper top plate is connected with the top beam and the connection Liang Guhua in the self forming process.
4. The shoulder connection special-shaped structure of the high-speed motor train unit train body according to claim 1, further comprising a connecting plate body, wherein a local indentation area is arranged at the edge of the first top plate, one end of the connecting plate body fills the indentation area to form a smooth surface, the middle part of the connecting plate body is inserted between the first side plate and the first joint surface, and between the second joint surface and the second top plate and/or the second side plate, and the other end of the connecting plate body is jointed with the edge of the upper top plate.
5. The shoulder connection special-shaped structure of the high-speed motor train unit body according to claim 1, wherein a local concave area is arranged on the side beams, the upper top plate covers the local position of the concave area, and a mounting space of a sealing element is formed between the upper top plate and the concave area.
6. The high-speed motor train unit body shoulder connection special-shaped structure according to claim 5, wherein the connection beam includes a second flange structure that supports the upper top plate in the installation space.
7. The high-speed motor train unit body shoulder connection special-shaped structure according to claim 1, wherein the connection surface further comprises a third joint surface, and the third joint surface is located between the first joint surface and the second joint surface;
and the edges of the top beams and/or the side beams are provided with supporting edges, and the edges of the side walls are inserted between the supporting edges and the third joint surfaces.
8. The high-speed motor train unit body shoulder connection special-shaped structure according to claim 1, wherein the connection surface further comprises a third joint surface, and the third joint surface is located between the first joint surface and the second joint surface;
the metal bending plate is respectively connected with the third joint surface and the second side plate.
9. The high-speed motor train unit body shoulder connection special-shaped structure according to claim 1, further comprising a metal connection plate connecting the second side plate and the first side plate with respect to the back surface of the connection beam mounting side.
10. The special-shaped structure for shoulder connection of high-speed motor train unit bodies according to claim 1, further comprising a T-shaped metal plate, wherein a first edge of the T-shaped metal plate is in fit connection with the second fit surface, and is partially inserted between the second fit surface and the second top plate, and a second edge which is vertically connected with the middle of the first edge is in fit connection with the second side plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110480232.1A CN113147811B (en) | 2021-04-30 | 2021-04-30 | Shoulder connection special-shaped structure of high-speed motor train unit body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110480232.1A CN113147811B (en) | 2021-04-30 | 2021-04-30 | Shoulder connection special-shaped structure of high-speed motor train unit body |
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| CN113147811B true CN113147811B (en) | 2023-08-08 |
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| EP0544498A1 (en) * | 1991-11-25 | 1993-06-02 | Hitachi, Ltd. | Body structure of railroad car |
| EP0622285A1 (en) * | 1993-04-28 | 1994-11-02 | Gec Alsthom Transport Sa | Lightweight body of a railway vehicle |
| CN111086535A (en) * | 2019-12-04 | 2020-05-01 | 中车青岛四方机车车辆股份有限公司 | Composite material connecting structure for railway vehicle and forming method |
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| CN113147811A (en) | 2021-07-23 |
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