CN113830121B - Carbon fiber material framework - Google Patents
Carbon fiber material framework Download PDFInfo
- Publication number
- CN113830121B CN113830121B CN202111282116.5A CN202111282116A CN113830121B CN 113830121 B CN113830121 B CN 113830121B CN 202111282116 A CN202111282116 A CN 202111282116A CN 113830121 B CN113830121 B CN 113830121B
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- China
- Prior art keywords
- arched
- shaped
- beams
- plate
- carbon fiber
- 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.)
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- 239000000463 material Substances 0.000 title claims abstract description 31
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 25
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 239000000835 fiber Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 239000013585 weight reducing agent Substances 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 11
- 238000013016 damping Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229920001967 Metal rubber Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000035939 shock Effects 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
-
- 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
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/06—Bolster supports or mountings incorporating metal springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
A carbon fiber material framework relates to the technical field of railway carriage bogie framework manufacture, which comprises two arched side beams, an X-shaped bearing cross beam and two side beam double-spring set supporting seats; the arched side beam comprises an arched upper beam and an arched lower beam, and the X-shaped bearing beam comprises two arched plate beams. The bow-arm-shaped upper beam, the bow-string-shaped lower beam and the arched plate beam are all made of beam-type carbon fiber materials, the material chemical characteristics of high hardness, good elastic deformation performance, low molding process cost, great reduction of unit mass and the like of the carbon fiber materials are fully utilized, the weight reduction of the bogie structure is effectively realized on the premise of meeting the mechanical structure strength, and positive beneficial effects are generated in the aspects of improving the highest speed of a railway vehicle, reducing the track load, reducing the wheel abrasion, saving the power energy and the like.
Description
Technical Field
The invention relates to the technical field of railway carriage bogie frame manufacturing, in particular to a carbon fiber material frame.
Background
The traditional railway carriage bogie mainly adopts steel plates and steel pipes made of low carbon steel, forged steel or cast steel, and forms an integral framework through welding, and the method has extremely high requirements on welding process and is difficult to avoid the problem of weld quality. Meanwhile, all kinds of steel bogies are heavier, the mass of the bogie is more than 40% of the mass of the whole bogie, and the weight reduction space is further extremely small by reducing the thickness of materials or the number of parts on the premise that the welding reliability and the structural strength of steel are ensured to meet the mechanical requirements. However, the weight reduction mode of further reducing the size of the components can cause the overall structure size of the framework to be too compact, occupy the layout space of accessory equipment such as sensors and the like, and cause the operation difficulty during installation and repair. Meanwhile, the traditional railway carriage bogie generally adopts a metal rubber compound spring or adopts a primary suspension device in a combination mode of a steel spring and a shock absorber, but whatever type of traditional primary suspension device further increases the weight and the structural complexity of the bogie, and increases the production period and the maintenance cost.
The above factors are combined to cause the problems of complex structure, heavy mass, large overall external dimension, small gap space of the internal structure of the frame, more assembly and welding procedures, poor vibration reduction, damping and changing into capability, weak curve passing capability, high wheel rail abrasion, difficult further reduction of manufacturing, maintenance and maintenance costs and the like of the traditional steel welding bogie.
Disclosure of Invention
The invention provides a carbon fiber material framework for solving the technical problems that a traditional steel welding bogie is complex in structure, heavy in weight, large in overall external size, small in clearance space of an internal structure of a framework, more in assembly and welding procedures, poor in vibration reduction, damping and changing capability, weak in curve passing capability, high in wheel rail abrasion and difficult to further reduce.
The technical scheme adopted for solving the technical problems is as follows:
a carbon fiber material framework comprises two arched side beams, an X-shaped bearing cross beam and two side beam double-spring set supporting seats;
the arched side beam comprises an arched upper beam and an arched lower beam, and the two ends of the arched upper beam and the arched lower beam are fixedly connected with each other according to the structural form of an arrow and an arched arm;
the X-shaped bearing cross beam comprises two arched plate beams, wherein a plate beam center through hole is formed in the middle of a horizontal section of the middle of each arched plate beam, two ends of each arched plate beam are symmetrically provided with side beam positioning through grooves which are transversely formed in a left-right mode, and the slotting direction of each arched plate beam is perpendicular to the axis of the corresponding plate beam center through hole; the two arched plate beams are arranged in mirror symmetry, and the middle horizontal sections of the two arched plate beams are fixedly connected with each other and form an X-shaped integral structure; the central through holes of the two arched plate beams are coaxially and fixedly connected and jointly form a traction beam mounting hole;
the side beam double-spring set supporting seat comprises two steel springs and two steel spring seats, wherein the two steel springs are arranged in parallel, and the upper end and the lower end of each steel spring are respectively and vertically fixedly connected with one corresponding steel spring seat;
the two side beam double-spring set supporting seats are mutually mirror-symmetrically and respectively fixedly connected to the left and right lateral opening parts of the X-shaped bearing cross beam, so that the arched side beam and the steel spring seat form an elastic side beam mechanism together; each side beam double-spring set supporting seat is positioned at the back of a corresponding side beam positioning through groove;
the middle sections of the arched arm-shaped upper beams on the two arched side beams are respectively embedded into a corresponding side beam positioning through groove on the upper arched plate beam in the X-shaped bearing cross beam; the middle sections of the arch-string-shaped lower beams on the two arch-shaped side beams are respectively embedded into a corresponding side beam positioning through groove on the lower arch-shaped plate beam in the X-shaped bearing cross beam;
the two elastic side beam mechanisms are fixedly connected to the left end and the right end of the X-shaped bearing cross beam in a mirror symmetry mode, and the two elastic side beam mechanisms form an integral H-shaped elastic framework.
The beneficial effects of the invention are as follows: the arched arm-shaped upper beam, the arched chord-shaped lower beam and the arched plate beam of the carbon fiber material framework are made of beam-shaped carbon fiber materials, the material properties of high hardness, good elastic deformation performance, low molding process cost, great reduction of unit mass compared with steel structural materials and the like are fully utilized, the weight of the framework is reduced by 30% compared with that of a traditional bogie, the bogie structure is effectively light under the premise of meeting the mechanical structural strength, and positive beneficial effects are generated in the aspects of improving the highest speed of a railway vehicle, reducing the track load, reducing the wheel abrasion, saving the power energy and the like.
The two arched plate beams of the X-shaped bearing cross beam are arranged in mirror symmetry, and the middle horizontal sections of the two arched plate beams are fixedly connected with each other to form an X-shaped integral structure, so that the carbon fiber material framework has good vibration damping and elastic deformation capability; on the other hand, the two ends of the arched upper beam and the arched lower beam are fixedly connected with each other according to the structural form of an arrow and an arched arm, the arched upper beam and the arched lower beam comprise two steel springs and two side beam double-spring set supporting seats of the steel spring seats, the upper end and the lower end of the arched upper beam and the arched lower beam are respectively and vertically fixedly connected with a corresponding steel spring seat, and the two side beam double-spring set supporting seats are respectively and symmetrically and mirror-symmetrically connected with each other at the left side and the right side of the X-shaped bearing cross beam at the transverse opening parts of the X-shape, so that the arched side beam and the steel spring seats form an elastic side beam mechanism together; the X-shaped bearing cross beam and the arched side beam form a structural design and are jointly applied, so that the brand new carbon fiber material framework form can obtain excellent triaxial elastic vibration damping characteristics, and meanwhile, the vertical, axial and longitudinal stresses of the wheel set can be fully released when the weight load of the vehicle body is borne, good elastic vibration damping and displacement limiting are provided for the vehicle body to operate, and the framework is enabled to have vibration damping, damping and displacement capabilities, so that the complete elimination of a primary suspension device on the traditional framework is realized, the layout space of an auxiliary sensor component on the framework is greatly released, the integral quality of the bogie is further remarkably reduced while the integration level of the framework is improved, and the production and maintenance cost of the framework is reduced while the product structure is simplified.
In the manufacturing process of the framework, all welding processes of the traditional steel structure framework are changed into a bolt fastening connection mode, the procedures of welding cooling, welding deformation adjustment and repair and the like are reduced, the welding quality problem is avoided, the manufacturing period is greatly shortened, and the production efficiency is improved.
In addition, the carbon fiber material frame has a lower vertical overall height and a smaller overall size, so that the frame can obtain a lower center of gravity and better running stability, and the curve passing characteristics of the frame are properly improved.
Drawings
FIG. 1 is a schematic perspective view of a carbon fiber material framework of the present invention;
FIG. 2 is a schematic view of the explosive assembly of FIG. 1;
FIG. 3 is a front view of an arcuate side member assembly of the present invention;
fig. 4 is a schematic view of the explosive structure of the X-shaped load beam of the present invention;
fig. 5 is a front view of an X-shaped load beam of the present invention;
FIG. 6 is a top view of a carbon fiber material framework of the present invention;
FIG. 7 is a side view of a carbon fiber material framework of the present invention;
FIG. 8 is a front view of a carbon fiber material framework of the present invention;
fig. 9 is a schematic diagram of an application structure of the carbon fiber material framework of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 9, the carbon fiber material framework of the present invention comprises two arched side beams, an X-shaped load-bearing cross beam and two side beam double spring set supporting seats;
the arched side beam comprises an arched upper beam 1 and an arched lower beam 2, and the two ends of the arched upper beam and the arched lower beam are fixedly connected with each other according to the structural form of an arrow and an arched arm;
the X-shaped bearing cross beam comprises two arched plate beams 5, wherein a plate beam center through hole 5-1 is formed in the middle of a horizontal section of the middle of each arched plate beam 5, side beam positioning through grooves 5-2 which are transversely formed are symmetrically formed in the two ends of each arched plate beam 5 in a left-right mode, and the slotting direction of each arched plate beam is perpendicular to the axis of each plate beam center through hole 5-1; the two arched plate beams 5 are arranged in mirror symmetry, and the middle horizontal sections of the two arched plate beams are fixedly connected with each other and form an X-shaped integral structure; the central through holes 5-1 of the two arched plate beams 5 are coaxially and fixedly connected and jointly form a traction beam mounting hole;
the side beam double-spring set supporting seat comprises two steel springs 3 and two steel spring seats 4, wherein the two steel springs 3 are arranged in parallel, and the upper end and the lower end of each steel spring are respectively and vertically fixedly connected with one corresponding steel spring seat 4;
the two side beam double-spring set supporting seats are mutually mirror-symmetrically and respectively fixedly connected to the left and right lateral opening parts of the X-shaped bearing cross beam, so that the arched side beam and the steel spring seat 4 form an elastic side beam mechanism together; each side beam double spring set supporting seat is positioned at the back of a corresponding side beam positioning through groove 5-2;
the middle sections of the arched arm-shaped upper beams 1 on the two arched side beams are respectively embedded into a corresponding side beam positioning through groove 5-2 positioned on the upper arched plate beam 5 in the X-shaped bearing cross beam; the middle sections of the arch-string-shaped lower beams 2 on the two arch-shaped side beams are respectively embedded into a corresponding side beam positioning through groove 5-2 positioned on the lower arch-shaped plate beam 5 in the X-shaped bearing cross beam;
the two elastic side beam mechanisms are fixedly connected to the left end and the right end of the X-shaped bearing cross beam in a mirror symmetry mode, and the two elastic side beam mechanisms form an integral H-shaped elastic framework.
The steel spring seat 4 is made of nylon material, and the bow-arm-shaped upper beam 1, the bow-string-shaped lower beam 2 and the arch-shaped plate beam 5 are all made of beam-type carbon fiber materials.
The carbon fiber framework is characterized in that all components of the carbon fiber framework are fixedly connected through counter bores and bolts.
As shown in fig. 9, the wheelset box device 6 and the foundation brake device 7 are fixedly connected with the carbon fiber material framework of the invention to form a non-power bogie.
Claims (3)
1. A carbon fiber material frame, characterized by: the framework comprises two arched side beams, an X-shaped bearing cross beam and two side beam double-spring set supporting seats;
the arched side beam comprises an arched upper beam (1) and an arched lower beam (2), and two ends of the arched upper beam and the arched lower beam are fixedly connected with each other according to the structural form of an arrow and an arched arm;
the X-shaped bearing cross beam comprises two arched plate beams (5), wherein a plate beam center through hole (5-1) is formed in the middle of a horizontal section of the middle of each arched plate beam (5), two ends of each arched plate beam (5) are symmetrically provided with side beam positioning through grooves (5-2) which are transversely formed in a left-right mode, and the slotting direction of each arched plate beam is perpendicular to the axis of each plate beam center through hole (5-1); the two arched plate beams (5) are arranged in mirror symmetry, and the middle horizontal sections of the two arched plate beams are fixedly connected with each other and form an X-shaped integral structure; the central through holes (5-1) of the two arched plate beams (5) are coaxially and fixedly connected and jointly form a traction beam mounting hole;
the side beam double-spring set supporting seat comprises two steel springs (3) and two steel spring seats (4), wherein the two steel springs (3) are arranged in parallel, and the upper end and the lower end of each steel spring are respectively and vertically fixedly connected with one corresponding steel spring seat (4);
the two side beam double-spring-set supporting seats are mutually mirror-symmetrically and respectively fixedly connected to the left and right lateral opening parts of the X-shaped bearing cross beam, so that the arched side beam and the steel spring seat (4) form an elastic side beam mechanism together; each side beam double-spring set supporting seat is positioned at the back of a corresponding side beam positioning through groove (5-2);
the middle sections of the arch arm-shaped upper beams (1) on the two arch side beams are respectively embedded into a corresponding side beam positioning through groove (5-2) on the upper arch plate beam (5) in the X-shaped bearing cross beam; the middle sections of the arch-string-shaped lower beams (2) on the two arch-shaped side beams are respectively embedded into a corresponding side beam positioning through groove (5-2) positioned on the lower arch-shaped plate beam (5) in the X-shaped bearing cross beam;
the two elastic side beam mechanisms are fixedly connected to the left end and the right end of the X-shaped bearing cross beam in a mirror symmetry mode, and the two elastic side beam mechanisms form an integral H-shaped elastic framework.
2. A carbon fibre material frame as claimed in claim 1, characterized in that the steel spring holder (4) is made of nylon material, and the upper arched beam (1), the lower arched beam (2) and the arched plate beam (5) are made of beam-type carbon fibre material.
3. A carbon fiber material framework as claimed in claim 1 wherein the fastening between the components of the framework is by a threaded connection of counter bores and bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111282116.5A CN113830121B (en) | 2021-11-01 | 2021-11-01 | Carbon fiber material framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111282116.5A CN113830121B (en) | 2021-11-01 | 2021-11-01 | Carbon fiber material framework |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113830121A CN113830121A (en) | 2021-12-24 |
| CN113830121B true CN113830121B (en) | 2023-10-27 |
Family
ID=78966614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111282116.5A Active CN113830121B (en) | 2021-11-01 | 2021-11-01 | Carbon fiber material framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113830121B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1234778A (en) * | 1997-07-24 | 1999-11-10 | Abb戴姆勒－奔驰运输(技术)公司 | Running gear for rail vehicle |
| US6305297B1 (en) * | 1998-06-18 | 2001-10-23 | Alstom Transport Sa | Railway vehicle bogie and process for manufacturing a side member of such a bogie |
| JP2003025993A (en) * | 2001-07-12 | 2003-01-29 | Kawasaki Heavy Ind Ltd | Single shaft bogie for railway rolling stock |
| KR20110069234A (en) * | 2009-12-17 | 2011-06-23 | 한국철도기술연구원 | Side beam and the fabrication method for the railway bogie frame |
| CN104554324A (en) * | 2015-01-21 | 2015-04-29 | 南车株洲电力机车有限公司 | Integrated framework and bogie |
| CN207712065U (en) * | 2018-01-15 | 2018-08-10 | 西南交通大学 | A kind of bogie simple in structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2430421A (en) * | 2005-09-22 | 2007-03-28 | Bombardier Transp Gmbh | Rail vehicle bogie |
| CN101844567B (en) * | 2010-04-27 | 2011-11-09 | 南车长江车辆有限公司 | Large-diamond resistant rigidity railway truck steering frame |
-
2021
- 2021-11-01 CN CN202111282116.5A patent/CN113830121B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1234778A (en) * | 1997-07-24 | 1999-11-10 | Abb戴姆勒－奔驰运输(技术)公司 | Running gear for rail vehicle |
| US6305297B1 (en) * | 1998-06-18 | 2001-10-23 | Alstom Transport Sa | Railway vehicle bogie and process for manufacturing a side member of such a bogie |
| JP2003025993A (en) * | 2001-07-12 | 2003-01-29 | Kawasaki Heavy Ind Ltd | Single shaft bogie for railway rolling stock |
| KR20110069234A (en) * | 2009-12-17 | 2011-06-23 | 한국철도기술연구원 | Side beam and the fabrication method for the railway bogie frame |
| CN104554324A (en) * | 2015-01-21 | 2015-04-29 | 南车株洲电力机车有限公司 | Integrated framework and bogie |
| CN207712065U (en) * | 2018-01-15 | 2018-08-10 | 西南交通大学 | A kind of bogie simple in structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113830121A (en) | 2021-12-24 |
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