CN117104293A - Connecting beam assembly for suspension framework - Google Patents
Connecting beam assembly for suspension framework Download PDFInfo
- Publication number
- CN117104293A CN117104293A CN202311293994.6A CN202311293994A CN117104293A CN 117104293 A CN117104293 A CN 117104293A CN 202311293994 A CN202311293994 A CN 202311293994A CN 117104293 A CN117104293 A CN 117104293A
- Authority
- CN
- China
- Prior art keywords
- connecting beam
- main body
- carbon fiber
- connecting rod
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 35
- 239000004917 carbon fiber Substances 0.000 claims abstract description 35
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 239000006260 foam Substances 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 125000006850 spacer group Chemical group 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000013585 weight reducing agent Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002493 climbing effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920007790 polymethacrylimide foam Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
- B61F5/523—Bogie frames comprising parts made from fibre-reinforced matrix material
Abstract
The application discloses a connecting beam assembly for a suspension framework, which comprises a connecting beam and a connecting rod, wherein the connecting beam comprises a connecting beam main body, the connecting beam main body is made of carbon fiber composite materials, and the connecting beam main body is configured into a structure formed by laminating fiber layers of the carbon fiber composite materials; carbon fiber skin coated on the outer surface of the connecting beam main body; a foam filling layer as an intermediate layer; the foam filling layer is positioned between the connecting beam main body and the carbon fiber skin; the connecting beam main body is provided with a plurality of mounting holes, and a connecting rod between two connecting beams is connected with the connecting beam on the corresponding side through the corresponding mounting hole. The connecting beam is made of the carbon fiber composite material, the foam filling layer and the carbon fiber skin are coated on the surface of the connecting beam, parts such as a metal pin shaft, a spacer bush and a lining bush are omitted, the connecting beam is integrally formed, the light weight effect is good, the structure is simple, the part diversity is reduced, the cost is low, and the fatigue resistance is stronger.
Description
Technical Field
The application relates to the technical field of lightweight design of maglev trains, in particular to a connecting beam assembly for a suspension frame.
Background
The magnetic suspension train is an emerging urban rail ground transportation tool based on non-contact magnetic suspension, and has the advantages of stable operation, high speed and good climbing effect. In recent years, under the drive of energy saving and emission reduction policies in various countries, "weight reduction" is a current global focus, and weight reduction of vehicles has become a trend of world development. The vehicle emission and energy consumption can be effectively reduced by adopting the light weight measures of the vehicle parts at present. The use of the fiber composite material in the member can reduce the mass by at least 20% to 30% or more from the viewpoint of achieving the effect of weight reduction. According to research and calculation, the fuel consumption can be reduced by 6% when the automobile is lightened by 10%, and the energy conservation and emission reduction are facilitated. In future development, the carbon fiber composite material has stronger competitiveness and good social benefit. The carbon fiber composite material has very good energy absorbing capacity, which further ensures the safety of the vehicle. Carbon fiber composites are described as having about 4-5 times higher energy absorption capacity than metallic materials.
The suspension frame connecting beam is an important component of the magnetic suspension frame, is one of main bearing members of the magnetic suspension train, and provides a certain rotation moment to prevent the vehicle body from rolling sideways when the vehicle passes through a curve.
At present, the anti-side rolling connecting beam is a metal structural member, the anti-side rolling beam consists of four anti-side rolling sheets, two anti-side rolling sheets are combined into a group, and in the assembly, two single metal beams are connected and assembled by a plurality of mounting groups such as pin shafts, spacers, bushings and the like. The disadvantages of the prior art are: the anti-rolling connecting beam is made of metal materials, so that weight reduction is not facilitated, the assembly time of various parts is long, and the assembly is complex.
Meanwhile, at present, the connecting beam parts are more, so that the assembly efficiency of the connecting beam assembly is low and the structural stability is poor.
Accordingly, based on the above-mentioned technical problems, a person skilled in the art is required to develop a connection beam assembly for a suspension frame.
Disclosure of Invention
The application aims to provide a connecting beam assembly for a suspension framework, wherein a connecting beam body is made of carbon fiber composite materials, and is coated by a foam filling layer and a carbon fiber skin, so that the mounting of parts is reduced, the assembly efficiency is improved, and the performance is better while the design requirement of light weight is met.
In order to achieve the above object, the present application provides the following technical solutions:
the present application provides a connection beam assembly for a suspension frame, comprising:
two connecting beams and a connecting rod connected between the two connecting beams;
the connection beam includes:
the connecting beam comprises a connecting beam body, a connecting beam body and a connecting beam body, wherein the connecting beam body is made of carbon fiber composite materials and is configured into a structure formed by stacking fiber layers of the carbon fiber composite materials;
carbon fiber skin coated on the outer surface of the connecting beam main body; and
a foam filling layer as an intermediate layer;
the foam filling layer is positioned between the connecting beam main body and the carbon fiber skin;
the connecting beam main body is provided with a plurality of mounting holes;
the connecting rods between the two connecting beams are connected with the connecting beams on the corresponding sides through corresponding mounting holes.
Further, one end of the connecting beam main body in the length direction is a first end, and the other end is a second end;
the width of the first end is greater than the width of the second end;
the connecting beam body is configured in a structure with a width gradually decreasing from the first end to the second end;
the first end is provided with two first mounting holes;
the second end is provided with a second mounting hole.
Further, the outer side surface of the first end is provided with an arc-shaped groove, and the parts of the first end, which are positioned at the two sides of the arc-shaped groove, are convexly formed into connecting ends;
each connecting end is provided with a first mounting hole, and the first mounting holes are used for being connected with an external connecting seat through fasteners.
Further, a through hole penetrating through the connecting beam body is arranged at a position, close to the first end, of the connecting beam body, and the through hole is configured to be a movement space of a connecting rod between the connecting beams matched with each other;
the connecting beam main body is provided with a second mounting hole at the position matched with the movement space, one end of a connecting rod between two connecting beams matched with each other is connected with the second mounting hole at the second end through a fastener, the other end of the connecting rod is connected through a fastener through the second mounting hole on the connecting beam main body, and the connecting rod part extends into the movement space.
Further, the connecting rod includes:
a stem portion; and
connecting rod mounting parts positioned at two ends of the length direction of the rod part;
an embedded groove is formed in the second end of the connecting beam main body, and the second mounting holes are formed in two sides of the embedded groove;
the connecting rod installation part at one end of the rod part is embedded into the embedded groove, and two ends of the connecting rod installation part penetrate through the second installation hole at the second end;
the connecting rod installation part at the other end of the rod part is arranged in the movement space, and two ends of the connecting rod installation part penetrate through the second installation holes.
Further, a reinforcing part is arranged at the middle part of the rod part.
In the technical scheme, the carbon fiber composite integrated connecting beam provided by the application has the following beneficial effects:
the connecting beam is made of the carbon fiber composite material, the foam filling layer and the carbon fiber skin are coated on the surface of the connecting beam, parts such as a metal pin shaft, a spacer bush and a lining bush are omitted, the connecting beam is integrally formed, the light weight effect is good, the structure is simple, the part diversity is reduced, the cost is low, and the fatigue resistance is stronger.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for those skilled in the art.
FIG. 1 is a schematic view of a connecting beam assembly for a suspension frame according to an embodiment of the present application;
FIG. 2 is a schematic view of a connection beam assembly for a suspension frame according to an embodiment of the present application;
fig. 3 is a schematic structural view of a connecting rod of a connecting beam assembly for a suspension frame according to an embodiment of the present application.
Reference numerals illustrate:
1. a connecting beam main body;
101. a first end; 102. a second end; 103. carbon fiber skin; 104. a movement space;
10101. an arc-shaped groove; 10102. a connection end;
201. a first mounting hole; 202. a second mounting hole;
3. a mounting base;
4. a connecting rod;
401. a stem portion; 402. a link mounting portion; 403. a reinforcing part.
Detailed Description
In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.
See fig. 1-3;
a connecting beam assembly for a suspension frame of this embodiment, the connecting beam assembly includes:
two connecting beams and a connecting rod 4 connected between the two connecting beams;
the connection beam of the present embodiment includes:
the connecting beam comprises a connecting beam body 1, wherein the connecting beam body 1 is made of carbon fiber composite materials, and the connecting beam body 1 is configured to be formed by stacking fiber layers of the carbon fiber composite materials;
a carbon fiber skin 103 coated on the outer surface of the connecting beam main body 1; and
a foam filling layer as an intermediate layer;
the foam filling layer is positioned between the connecting beam main body 1 and the carbon fiber skin 103;
the connecting beam main body 1 is provided with a plurality of mounting holes;
the connecting rod 4 between the two connecting beams is connected with the connecting beam on the corresponding side through the corresponding mounting hole.
Specifically, the present embodiment discloses a connecting beam assembly for a suspension frame, which is mainly divided into two connecting beams, so as to be connected to a connecting rod 4 between the two connecting beams. The connecting beam of the embodiment comprises a connecting beam main body 1, a foam filling layer coated on the surface of the connecting beam main body 1 and a carbon fiber skin 103. The connecting beam body 1 of the present embodiment serves as a connection foundation with the mount 301 and the link 302 of the entire maglev train frame. The carbon fiber skin 103 of the embodiment adopts carbon fiber twill prepreg, ensures the rigidity and surface quality of the product, and has good heat insulation, sound insulation, vibration prevention, crack resistance and other damage expansion resistance. The connecting beam main body 1 of the embodiment is of an integrally formed structure, a traditional pin shaft and bushing connection mode is omitted, a PMI foam filling layer is adopted between the connecting beam main body 1 and the carbon fiber skin 103 for filling, support can be effectively provided for the carbon fiber skin 103 when bearing load, the shape of a product is maintained, and the structure can effectively solve the contradiction between strength and rigidity and reduce the structural quality.
The whole structure of the embodiment adopts a prepreg molding process, takes a foam structure as a core mold, coats the carbon fiber skin 103, is arranged in a mold for molding and molding into a whole, has stable size, simple process and low mold cost, and omits a large amount of subsequent assembly operations.
In addition, the connection beam main body 1 is formed by laminating fiber layers of carbon fiber composite materials, and the forming process is not taken as the main protection content of the application, so that the connection beam main body is only protected from the aspects of structure and materials, and the forming process is not repeated.
Preferably, one end in the length direction of the connecting beam main body 1 in the embodiment is a first end 101, and the other end is a second end 102;
the width of the first end 101 is greater than the width of the second end 102;
the connection beam body 1 is configured in a structure in which the width gradually decreases from the first end 101 to the second end 102;
the first end 101 is provided with two first mounting holes 201;
the second end 102 defines a second mounting hole 202.
First, in this embodiment, the structure of the connecting beam body 1 is further defined in terms of the assembly structure of the connecting rod 302 between the external mount 3 and the two connecting beam bodies 1, and the connecting beam body 1 is a long strip structure with gradually changing width as a whole, and one end is the first end 101, the first end 101 is connected to the mount 3, and the other end is the second end 102, and the second end 102 is used as the connection structure with the connecting rod 4. And a first mounting hole 201 is formed at the first end 101 and a second mounting hole 202 is formed at the second end 102, respectively.
The two connecting beams of the connecting beam assembly of this embodiment are oppositely arranged, the first end 101 of one connecting beam is close to the second end 102 of the other connecting beam, the second end 102 of one connecting beam is connected with the other connecting beam main body 1 by using the connecting rod 4 of this embodiment, and a certain gap is reserved between the two connecting beams to serve as a movable space.
More preferably, the outer side of the first end 101 of the present embodiment has an arc-shaped groove 10101, and the portions of the first end 101 located on both sides of the arc-shaped groove 10101 are convexly formed as connection ends 10102;
each of the connection ends 10102 is provided with a first mounting hole 201, and the first mounting hole 201 is used for being connected with an external connection seat 301 through a fastener.
Firstly, the specific structure of the first end 101 is that the whole body of the first end 101 is in the structure of an arc-shaped groove 10101, two end parts of the arc-shaped groove 10101 are connecting ends 10102, and are respectively provided with a first mounting hole 201, and the first mounting holes 201 are matched with the external mounting seat 3 to be assembled in a fastening piece mode.
Preferably, the connecting beam body 1 of the present embodiment is provided with a through hole penetrating the connecting beam body 1 at a position near the first end 101, the through hole being configured as a movement space 104 of the connecting rod 4 between the mutually cooperating connecting beams;
a second mounting hole 202 is formed in the position where the connecting beam main body 1 is matched with the movement space 104, one end of the connecting rod 4 between the two mutually matched connecting beams is connected with the second mounting hole 202 of the second end 102 through a fastener, the other end of the connecting rod is connected through the second mounting hole 202 on the connecting beam main body 1 through a fastener, and the connecting rod 4 extends into the movement space 104 partially.
The connecting beam body 1 of the present embodiment is provided with a movement space 104 capable of passing through the connecting rod 4, and is provided with a second mounting hole 202 therein, and the second mounting hole 202 of the second end 102 together serve as mounting holes at both ends of the connecting rod, and connection is achieved by a fastener. When the two connecting beam bodies 1 are assembled as a unit, the connecting rod 4 partially passes through the movement space 104, and a certain turning moment can be provided to prevent the vehicle body from rolling sideways when the vehicle passes through a curve.
Preferably, the link 4 of the present embodiment includes a lever portion 401; and link attachment portions 402 located at both ends in the longitudinal direction of the lever portion 401;
the second end 102 of the connecting beam main body 1 is provided with an embedded groove, and two sides of the embedded groove are provided with second mounting holes 202;
a connecting rod mounting part 402 at one end of the rod part 401 is embedded into the embedded groove, and two ends of the connecting rod mounting part 402 penetrate into the second mounting hole 202 of the second end 102;
the connecting rod mounting part 402 at the other end of the rod part 401 is arranged in the movement space 104, and two ends of the connecting rod mounting part 402 penetrate into the second mounting hole 202 at the position.
The middle portion of the shaft 401 of the present embodiment has a reinforcing portion 403.
The present embodiment further defines the structure of the link 4, which includes the rod 401 and the link mounting portions 402 at both ends, and the rod 401 and the link mounting portions 402 are sized to ensure that the entire rod 401 and the link mounting portions 402 can be inserted into the movement space, and that the link mounting portions 402 can pass through the corresponding second mounting holes 202.
In the technical scheme, the connecting beam assembly for the suspension framework has the following beneficial effects:
the connecting beam is made of the carbon fiber composite material, the foam filling layer and the carbon fiber skin 103 are coated on the surface of the connecting beam, parts such as a metal pin shaft, a spacer bush and a bushing are omitted, the connecting beam is integrally formed, the light weight effect is good, the structure is simple, the part diversity is reduced, the cost is low, and the fatigue resistance is stronger.
The two connecting beams of the connecting beam assembly are connected through the connecting rod 4, the second mounting holes 202 serve as connecting positions of the connecting rod mounting parts 402 at the two ends of the connecting rod 4, the relative positions of the two connecting beams are kept, the structure of the connecting beam is simplified, and the assembly efficiency of the connecting beam assembly can be improved.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (6)
1. The connecting beam assembly for the suspension framework is characterized in that the connecting beam assembly comprises:
two connecting beams and a connecting rod (4) connected between the two connecting beams;
the connection beam includes:
the connecting beam comprises a connecting beam main body (1), wherein the connecting beam main body (1) is made of carbon fiber composite materials, and the connecting beam main body (1) is configured into a structure formed by stacking fiber layers of the carbon fiber composite materials;
a carbon fiber skin (103) coated on the outer surface of the connecting beam main body (1); and
a foam filling layer as an intermediate layer;
the foam filling layer is positioned between the connecting beam main body (1) and the carbon fiber skin (103);
the connecting beam main body (1) is provided with a plurality of mounting holes;
the connecting rod (4) between the two connecting beams is connected with the connecting beam on the corresponding side through the corresponding mounting hole.
2. The connecting beam assembly for a suspension frame according to claim 1, wherein one end in the length direction of the connecting beam main body (1) is a first end (101), and the other end is a second end (102);
-the width of the first end (101) is greater than the width of the second end (102);
-the connection beam body (1) is configured as a structure of decreasing width from the first end (101) to the second end (102);
the first end (101) is provided with two first mounting holes (201);
the second end (102) is provided with a second mounting hole (202).
3. The connecting beam assembly for a suspended frame according to claim 2, wherein the outer side surface of the first end (101) has an arc-shaped groove (10101), and portions of the first end (101) located on both sides of the arc-shaped groove (10101) are formed convexly as connecting ends (10102);
each connecting end (10102) is provided with a first mounting hole (201), and the first mounting holes (201) are used for being connected with an external connecting seat (3) through fasteners.
4. A connecting beam assembly for a suspended frame according to claim 3, characterized in that the connecting beam body (1) is provided with a through hole penetrating the connecting beam body (1) at a position close to the first end (101), which through hole is configured as a movement space (104) of a connecting rod (4) between mutually cooperating connecting beams;
a second mounting hole (202) is formed in the position, matched with the movement space (104), of the connecting beam main body (1), one end of a connecting rod (4) between two connecting beams matched with each other is connected with the second mounting hole (202) of the second end (102) through a fastener, the other end of the connecting rod is connected through the second mounting hole (202) in the connecting beam main body (1) through a fastener, and the connecting rod (4) is partially extended into the movement space (104).
5. The connecting beam assembly for a suspended frame according to claim 4, characterized in that the connecting rod (4) comprises:
a rod (401); and
connecting rod mounting parts (402) positioned at both ends of the rod part (401) in the length direction;
an embedded groove is formed in the second end of the connecting beam main body (1), and the second mounting holes (202) are formed in two sides of the embedded groove;
the connecting rod mounting part (402) at one end of the rod part (401) is embedded into the embedded groove, and two ends of the connecting rod mounting part (402) are penetrated into the second mounting hole (202) of the second end (102);
the connecting rod installation part (402) at the other end of the rod part (401) is arranged in the movement space (104), and two ends of the connecting rod installation part (402) penetrate into the second installation hole (202) at the position.
6. The girder assembly for suspension frames according to claim 5, characterized in that the middle position of the rod portion (401) is provided with a reinforcement portion (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311293994.6A CN117104293A (en) | 2023-10-08 | 2023-10-08 | Connecting beam assembly for suspension framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311293994.6A CN117104293A (en) | 2023-10-08 | 2023-10-08 | Connecting beam assembly for suspension framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117104293A true CN117104293A (en) | 2023-11-24 |
Family
ID=88805622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311293994.6A Pending CN117104293A (en) | 2023-10-08 | 2023-10-08 | Connecting beam assembly for suspension framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117104293A (en) |
-
2023
- 2023-10-08 CN CN202311293994.6A patent/CN117104293A/en active Pending
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