CN108045393A - A kind of bogie simple in structure - Google Patents
A kind of bogie simple in structure Download PDFInfo
- Publication number
- CN108045393A CN108045393A CN201810035119.0A CN201810035119A CN108045393A CN 108045393 A CN108045393 A CN 108045393A CN 201810035119 A CN201810035119 A CN 201810035119A CN 108045393 A CN108045393 A CN 108045393A
- Authority
- CN
- China
- Prior art keywords
- curb girder
- beam section
- bow
- bogie
- shape
- 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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Classifications
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- 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
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/28—Axle-boxes integral with, or directly secured to, vehicle or bogie underframes
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- 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
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- 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
- B61F5/526—Bogie frames comprising noise reducing devices
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of bogies simple in structure, are related to rail vehicle truck technical field.The framework and wheel pair and axle box formed including curb girder and crossbeam, the curb girder of bogie frame both sides is monoblock type or knockdown bow-shaped structural, the bow head at both ends is horizontal " F " shape structure, the both ends of crossbeam on the inside of curb girder stage casing respectively with fixing, the middle part of curb girder is flat platy structure, and curb girder is equipped with air spring；Combined type curb girder is formed by connecting by flexible beam section and rigid beam section, and the bow head of both ends beam section is equipped with the opening of downward opening " F " shape；Downward, horizontal " F " shape structural openings position directed downwardly is equipped with the slot coincideing with axle box mounting surface shape to the curb girder back of a bow of bow-shaped structural；The flexible beam section of combined type curb girder is flat platy structure.It is mainly used for rail vehicle to match.
Description
Technical field
The present invention relates to rail vehicle truck technical fields.
Background technology
Existing bogie structure is substantially H-type welded frame, on the one hand, rail vehicle truck is rolling stock
Important component, it plays the important function of carrying, driving, vibration damping, guiding and braking.Existing bogie mainly includes two systems
Suspension is divided into single stage suspension and secondary suspension, and the two combines to play the kinetic stability and curve negotiation ability for ensureing vehicle,
The effects that reducing unsprung mass, reducing the active force to circuit.In two stage suspension, the effect of single stage suspension essentially consists in inhibition vehicle
The vibration of body mitigates the interaction between wheel track, reduces wheel-rail noise.The curb girder of H-type welded frame is typically all by polylith steel
The box buckstay that plate is welded.Rigid solder framework does not have elasticity, so needing single stage suspension to mitigate impact and shake
It is dynamic.Substantially all comprising independent spring assembly and damped part on existing single stage suspension structure composition, for example, using flat spring,
Helical spring and rubber spring etc. mitigate rail wheeling action in the process because of circuit by the elasticity of spring and the damping of damped part
The shock and vibration that irregularity and wheel track defect generate.Such structure causes single stage suspension structure complicated, wheel pair and framework it
Between connector it is more, be unfavorable for manufacture, the I＆ M of bogie, be also unfavorable for the integration, lightweight, reliability of bogie
Promote and adapt to the high-speed cruising of train.
On the other hand, development of modern industry trend is to use the component of integral processing as far as possible, selects high intensity
Material and realization high-speed cruising.For the opposite multicomponent structure of integrated member, system attachment damping and internal resistance are necessarily caused
Decline, this is conflict.
In order to solve the contradiction that structural integrity declines with damping, since the fifties in last century, foreign countries, which have carried out, to be directed to
Magnesium-zircaloy, manganese-copper series alloy, Nitinol and iron-chromium are successively developed in the research of the high damping material of military purposes
Be alloy, these materials in addition to the intensity that ensure that metal material, also reside in inside it form dislocation type, twin type or iron-
The in-fightings such as magnetic-type mechanism, accelerates the consumption of extraneous vibration energy.The research that the country started damping material in 1981 is developed
Damping alloy and composite damping steel plate are gone out.The damping capacity of wherein composite damping steel plate is far longer than general steel plate, vibration damping drop
It makes an uproar significant effect, and achieves multinomial technological applications achievement.
Such composite damping material is used on bogie, the elasticity and damping structure of bogie can be replaced, simplified
Bogie structure enhances bogie frame globality, improves bogie high-speed operation performance.
The content of the invention
The object of the present invention is to provide a kind of bogies simple in structure, it can efficiently solve to lead because there are single stage suspensions
The bogie structure of cause is complicated, bogie manufacture, I＆ M it is difficult and be unfavorable for bogie integration, lightweight, can
The problem of being promoted by property and adapting to train high-speed cruising.
Technical solution is used by the present invention realizes goal of the invention：A kind of bogie simple in structure, including curb girder and
The framework and wheel pair and axle box of crossbeam composition, the curb girders of bogie frame both sides are monoblock type or knockdown bow-shaped structural,
The bow head at both ends is horizontal " F " shape structure, and respectively with fixed on the inside of curb girder stage casing, the middle part of curb girder is flat at the both ends of crossbeam
Formula platy structure, curb girder are equipped with air spring；Combined type curb girder is formed by connecting by flexible beam section and rigid beam section, both ends beam section
Bow head be equipped with downward opening " F " shape opening；The curb girder back of a bow of bow-shaped structural downward, horizontal " F " shape structural openings court
Under position be equipped with the slot that coincide with axle box mounting surface shape；The flexible beam section of combined type curb girder is flat platy structure.
The material of the curb girder is Fe-Mn base composite damping alloys.
The flexibility beam section and rigid beam section are in respective end along bogie travel direction positioned adjacent.
The slot of " F " the shape structure at the curb girder both ends and the junction of axle box are equipped with elastic damping bed course.Curb girder is using high
Damping material makes curb girder have high resiliency by structure design.
Curb girder can be whole all with high resiliency and high-damping or by the flexibility with high resiliency and high-damping
Beam section and rigid beam section are formed by connecting, and flexible beam segment number is at least 1.
The beam body of curb girder can also use the company that highly elastic material is made or has high-elastic structure, both ends and axle box
The place of connecing is equipped with elastomeric damping layer.
The beneficial effects of the invention are as follows：By using the bogie frame curb girder with high resiliency and high-damping, side is utilized
The elasticity of beam itself and damping mitigate the impact and vibration during rail wheeling action, substitute bogie primary-suspension, so as to simple
Change bogie structure, advantageously reduce bogie intermediate connector, make bogie manufacture, I＆ M easier, also favorably
In the structure lightened of bogie, reliability and high-speed operation performance are promoted.
Description of the drawings
Fig. 1 is the schematic front view of monoblock type curb girder of the present invention；
Fig. 2 is the schematic front view of combined type curb girder of the present invention；
Fig. 3 is the schematic top plan view of monoblock type curb girder of the present invention；
Fig. 4 is the schematic top plan view of combined type curb girder of the present invention.
Specific embodiment
In conjunction with attached drawing, the present invention will be further described.
Embodiment 1
As shown in figures 1 and 3, the simplification structure for the monoblock type that the present embodiment is, comprising two pairs of wheels to 3, containing curb girder 1 and horizontal stroke
Framework, axle box 2 and the secondary suspension of beam 7.
Bogie frame is H-type framework, and respectively there are a curb girder 1 in 7 both sides of crossbeam, take turns and be equipped with axle box to 3 axle both ends
2.1 both ends of curb girder and the mounting surface shape of 2 installation site of axle box are coincide, and are hung directly from axle box 2, between the two not comprising
Traditional single stage suspension of spring unit, the positioning method positioned using traditional pedestal therebetween.
The truck side sill 1 of bogie is made of high damping material, is by Fe-Mn base composite dampings specific to the present embodiment
Alloy forms, and this material has intensity high, and tensile strength is higher than 700MPa, and damping capacity is good, from external conditions such as magnetic fields
It influences, is suitable for bearing the part of greater impact and vibration.Curb girder 1 uses overall processing moulding process, 1 middle part design of curb girder
For platy structure, the structure design of plate makes bogie have good elasticity, has that light weight, bending resistance shear resistance be strong, bullet
The features such as property deformation is big.The non-platy structure of shape at 1 both ends of curb girder, shape is similar with conventional bogie curb girder, and it is straight to adapt to it
Connect the mounting means being suspended on axle box 2.Bogie frame crossbeam 7 uses identical plate with the crossbeam of existing bogie frame
Formula designs rather than seamless steel pipe type design.Crossbeam 7 installs corresponding hole with 1 connection position of curb girder, between the two using being bolted.
Air spring 4 is mounted on curb girder 1.
The course of work of the present embodiment is：In track vehicle operation, vibration and punching are generated when wheel track interacts
When hitting, vibration and impact pass to truck side sill 1 by axle box 2, and curb girder 1 is by flexible deformation come shock absorbing, itself high-damping
Characteristic meeting dissipation energy plays the effect of single stage suspension.
Embodiment 2
As shown in shown in attached drawing 2 and Fig. 4, the present embodiment is knockdown simplified structure, and the main distinction is, embodiment
Whole 1 truck side sill 1 is a spring beam, and the curb girder 1 of the present embodiment is by two sections of flexible beam sections 5 and three sections of rigid beam sections 8
It is connected and forms, using carbon fibre material, this material has a higher bending resistance shearing strength in itself, light weight, elastic deformation and multiple
The characteristics of proper energy power is strong.Flexible 5 both ends of beam section are connecting seat, and it is also laminated structure that centre, which is,.The connecting seat at flexible 5 both ends of beam section
It is connected respectively with different rigidity beam section 8, forms entire curb girder 1.Curb girder 1 elasticity essentially from flexible beam section 5 itself
Flexible deformation.Elastomeric damping layer 6 is also equipped at 1 both ends of curb girder, it enables curb girder 1 preferably buffering vibration and impact, consumption
Dissipate its energy.
The course of work of the present embodiment is：In track vehicle operation, vibration and punching are generated when wheel track interacts
When hitting, vibration and impact truck side sill 1 passed to by axle box 2, curb girder 1 by the deformation of flexible beam section 5 and elastomeric damping layer and
It replys and carrys out shock absorbing, using the damping action of elastomeric damping layer 6 come dissipation energy, play the role of single stage suspension, substitution one
System's suspension.
Claims (5)
1. a kind of bogie simple in structure, the framework and wheel formed including curb girder (1) and crossbeam (7) is to (3) and axle box
(2), it is characterised in that：The curb girder (1) of bogie frame both sides is monoblock type or knockdown bow-shaped structural, and the bow head at both ends is
Horizontal " F " shape structure, respectively with fixed on the inside of curb girder (1) stage casing, the middle part of curb girder (1) is flat at the both ends of crossbeam (7)
Platy structure, curb girder (1) are equipped with air spring (4)；Combined type curb girder (1) is connected by flexible beam section (5) and rigid beam section (8)
It forms, the bow head of both ends beam section is equipped with the opening of downward opening " F " shape；Curb girder (1) back of a bow of bow-shaped structural is downward, horizontal
" F " shape structural openings position directed downwardly is equipped with the slot coincideing with axle box (2) mounting surface shape；The flexible beam of combined type curb girder (1)
Section (5) is flat platy structure.
2. a kind of bogie simple in structure according to claim 1, it is characterised in that：The material of the curb girder (1) is
Fe-Mn base composite damping alloys.
3. a kind of bogie simple in structure according to claim 1, it is characterised in that：The flexibility beam section (5) and firm
Property beam section (8) is in respective end along bogie travel direction positioned adjacent.
4. a kind of bogie simple in structure according to claim 1, it is characterised in that：The number of the flexibility beam section (5)
Amount is at least 1.
5. a kind of bogie simple in structure according to claim 1, it is characterised in that：" F " at curb girder (1) both ends
The slot of shape structure is equipped with elastic damping bed course (6) with the junction of axle box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810035119.0A CN108045393B (en) | 2018-01-15 | 2018-01-15 | Bogie with simple structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810035119.0A CN108045393B (en) | 2018-01-15 | 2018-01-15 | Bogie with simple structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108045393A true CN108045393A (en) | 2018-05-18 |
| CN108045393B CN108045393B (en) | 2020-02-21 |
Family
ID=62127278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810035119.0A Active CN108045393B (en) | 2018-01-15 | 2018-01-15 | Bogie with simple structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108045393B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109899A (en) * | 2018-08-31 | 2019-01-01 | 湘电重型装备有限公司 | A kind of large-tonnage narrow gauge Tunnel Engineering heavy haul train bogie frame |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110069234A (en) * | 2009-12-17 | 2011-06-23 | 한국철도기술연구원 | Side beam and the fabrication method for the railway bogie frame |
| KR20120063006A (en) * | 2010-12-07 | 2012-06-15 | 한국철도기술연구원 | One-piece braking and traction equipment for composite bogie frame |
| CN103796899A (en) * | 2011-09-15 | 2014-05-14 | 株式会社Gh工艺 | Flat spring for railroad vehicle bogie |
| KR20140082487A (en) * | 2012-12-24 | 2014-07-02 | 한국철도기술연구원 | shock absorption strutcure for bogie of railway vehicle |
| CN104527698A (en) * | 2014-12-17 | 2015-04-22 | 济南轨道交通装备有限责任公司 | Radial device of plate-spring-type bogie |
| CN105313914A (en) * | 2015-11-23 | 2016-02-10 | 长春轨道客车股份有限公司 | Elastic frame of ultra high speed test CRH train bogie |
| CN207712065U (en) * | 2018-01-15 | 2018-08-10 | 西南交通大学 | A kind of bogie simple in structure |
-
2018
- 2018-01-15 CN CN201810035119.0A patent/CN108045393B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110069234A (en) * | 2009-12-17 | 2011-06-23 | 한국철도기술연구원 | Side beam and the fabrication method for the railway bogie frame |
| KR20120063006A (en) * | 2010-12-07 | 2012-06-15 | 한국철도기술연구원 | One-piece braking and traction equipment for composite bogie frame |
| CN103796899A (en) * | 2011-09-15 | 2014-05-14 | 株式会社Gh工艺 | Flat spring for railroad vehicle bogie |
| KR20140082487A (en) * | 2012-12-24 | 2014-07-02 | 한국철도기술연구원 | shock absorption strutcure for bogie of railway vehicle |
| CN104527698A (en) * | 2014-12-17 | 2015-04-22 | 济南轨道交通装备有限责任公司 | Radial device of plate-spring-type bogie |
| CN105313914A (en) * | 2015-11-23 | 2016-02-10 | 长春轨道客车股份有限公司 | Elastic frame of ultra high speed test CRH train bogie |
| CN207712065U (en) * | 2018-01-15 | 2018-08-10 | 西南交通大学 | A kind of bogie simple in structure |
Non-Patent Citations (2)
| Title |
|---|
| 崔嵩等: "改善高速客车车体结构动态特性的研究", 《铁道车辆》 * |
| 张文毓: "阻尼材料发展现状与应用进展", 《材料开发与应用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109899A (en) * | 2018-08-31 | 2019-01-01 | 湘电重型装备有限公司 | A kind of large-tonnage narrow gauge Tunnel Engineering heavy haul train bogie frame |
| CN109109899B (en) * | 2018-08-31 | 2024-02-27 | 湘电重型装备有限公司 | Bogie frame of heavy-duty train for large-tonnage narrow-gauge tunnel engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108045393B (en) | 2020-02-21 |
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| CB02 | Change of applicant information |
Address after: 610031 Sichuan City, Chengdu Province, No. two North Ring Road, No. 111 Applicant after: Southwest Jiaotong University Applicant after: China National Railway Group Co., Ltd. Address before: 610031 Sichuan City, Chengdu Province, No. two North Ring Road, No. 111 Applicant before: Southwest Jiaotong University Applicant before: CHINA RAILWAY CORPORATION |
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