CN208452697U - It is bent disc rail wheel - Google Patents
It is bent disc rail wheel Download PDFInfo
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- CN208452697U CN208452697U CN201820593469.4U CN201820593469U CN208452697U CN 208452697 U CN208452697 U CN 208452697U CN 201820593469 U CN201820593469 U CN 201820593469U CN 208452697 U CN208452697 U CN 208452697U
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- flexure plane
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model provides a kind of bending disc rail wheel applied to rail vehicle parts technical field, the wheel spoke (2) of the bending disc rail wheel is set as in flexure plane structure, disc (2) one end is connect with wheel hub (1), disc (2) other end is connect with wheel rim (3), wheel web (2) includes disc side I (4) and disc side II (5), multiple I flexure planes of side (6) are arranged to one end is connect with wheel rim (3) from connecting one end with wheel hub (1) in disc side I (4), multiple II flexure planes of side (7) are arranged to one end is connect with wheel rim (3) from connecting one end with wheel hub (1) in disc side II (5), the bending disc rail wheel of the utility model, ensuring that there is good braking ability, while being easy to mass production, realize wheel lightweight, Guarantee that wheel has reasonable intensity, rigidity and braking thermodynamic property, improves competitiveness.
Description
Technical field
The utility model belongs to rail vehicle parts technical field, is to be related to a kind of bending disc rail more specifically
Road wheel.
Background technique
The car body weight of rail vehicle directly affects energy consumption, and vehicle forms the optimization design and new material that component passes through structure
Utilization can effectively reduce weight, and then reduce energy consumption.Rail wheel is mainly by wheel hub, disc, wheel rim three parts composition, wheel
Structure generally refers to web pattern.Web pattern is broadly divided into 5 kinds: S type disc, bell-shaped disc (also known as double S type disc), basin
Type disc, straight wheel plate, oblique disc.S type disc, bell type disc (also known as double S type disc), basin type disc can range curved arm again
Plate.Tread brake rail wheel is designed, must consider stress and deformation simultaneously.Web pattern is to the rigidity of rail vehicle wheel, strong
Degree and deformation have a direct impact.Straight wheel plate is usually used in the trolley coach vehicle of Multiple disc brake, but its power because being easily installed brake disc
It is poor to learn performance.Disc is bent because having lesser radial rigidity and optimal thermodynamic property, is usually used in tread brake track
Vehicle, it can also be used to reel braking orbit vehicle.Europe wheel design check standard UIC 510-5 and EN 13979-1 to by
The design of rail wheel is made that in terms of the mechanical load that wheel-rail contact generates and the thermal force by tread brake generation
Regulation.S type web wheel and basin type web wheel are because under the conditions of tread brake, axial deformation exceeds UIC 510-5 and EN
13979-1 standard prescribed limit, therefore it is not suitable for UIC 510-5 and EN 13979-1 standard.The ORE920 wheel in Europe is allusion quotation
The bell-shaped disc tread brake wheel of type, sizing is before the appearance of UIC 510-5 and EN 13979-1 standard, currently, safety fortune
Row decades carry out FEM calculation to its structure with UIC 510-5 and EN 13979-1, and static strength and fatigue strength are equal
Beyond standard prescribed limit.Designed path wheel is especially easy to forge it is also contemplated that its structure is suitable for mass production.In life
It is found in production, certain rail wheels, excellent in mechanical performance, but forging has larger difficulty, forging qualification rate is lower, leads to cost liter
High, delivery date delay.And rail wheel in the prior art, lightweight requirements are unable to satisfy, manufacturing process is complicated, is unable to satisfy
Batch production demand.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiencies of the prior art, it is simple to provide a kind of structure, system
Simple process is made, manufacturing cost is low, while ensuring has good braking ability, is easy to mass production, can be realized vehicle
Lightweight is taken turns, guarantees that wheel has sufficiently high radial flexibility and axial rigidity, has reasonable intensity, rigidity and brakes heating power
Performance is learned, the bending disc rail wheel of the market competitiveness is improved.
Solve the problems, such as techniques discussed above, the technical solution that the utility model is taken are as follows:
The utility model is a kind of bending disc rail wheel, and the bending disc rail wheel includes wheel hub, wheel
Disc, wheel rim, the wheel web are set as in flexure plane structure, and disc one end is connect with wheel hub, the disc other end and wheel
Rim connection, wheel web includes disc side I and disc side II, and disc side I connects to wheel rim from connecting one end with wheel hub
It connects one end and multiple I flexure planes of side is set, disc side II is multiple to one end setting is connect with wheel rim from one end is connect with wheel hub
II flexure plane of side.
I flexure plane of side of the disc side I includes I flexure plane I of side, I flexure plane II of side, the bending of side I
Face III, I flexure plane I of side are set as the structure being inwardly recessed, and I flexure plane II of side is set as the structure outwardly protruded, side I
Flexure plane III is set as the structure being inwardly recessed.
II flexure plane of side of the disc side II includes II flexure plane I of side, II flexure plane II of side, side II
Flexure plane III, II flexure plane I of side are set as the structure outwardly protruded, and II flexure plane II of side is set as the knot being inwardly recessed
Structure, II flexure plane III of side are the structure outwardly protruded.
I flexure plane of side, I one end of I flexure plane of side is connect with wheel hub, I flexure plane of side, I other end and side
The connection of I flexure plane of face, II one end, I flexure plane of side, II other end are connect with I flexure plane of side, III one end, I flexure plane III of side
The other end is connect with wheel rim.
II flexure plane of side, I one end of II flexure plane of side is connect with wheel hub, II flexure plane of side, I other end with
The connection of II flexure plane of side, II one end, II flexure plane of side, II other end are connect with II flexure plane of side, III one end, and side II is curved
III other end of curved surface is connect with wheel rim.
Intermediate cross-section is arranged in I flexure plane of side and II flexure plane middle position of side, and intermediate cross-section includes
Cross sectional curve face I, cross sectional curve face II, cross sectional curve face III, the axial vertex tangent in cross sectional curve face II are set as
It is parallel to the structure of wheel hub medial axis.
The axial vertex tangent I in the cross sectional curve face I of the intermediate cross-section and the axial direction in cross sectional curve face III
Angle ψ between vertex tangent II is arranged between 100 ° -135 °.
The disc is set as from one end is connect with wheel hub to connecting thickness gradually thinning structure in one end with wheel rim.
The outer radius R1 of I flexure plane I of side of I flexure plane of side is arranged between 70mm-150mm, side
The outer radius R2 of II flexure plane I of side of II flexure plane is arranged between 70mm-150mm, and the side I of I flexure plane of side is curved
The outer radius R3 of curved surface II is arranged between 45mm-125mm, the outer radius of II flexure plane II of side of II flexure plane of side
R4 is arranged between 45mm-125mm, and the outer radius R5 of I flexure plane III of side of I flexure plane of side is arranged in 25mm-125mm
Between, the outer radius R6 of II flexure plane III of side is arranged between 25mm-125mm.
Using the technical solution of the utility model, can obtain it is below the utility model has the advantages that
Bending disc rail wheel described in the utility model sets wheel web when designing or manufacturing rail wheel
It is calculated as segmented (such as three-stage), so as to effectively increase the radial flexibility of wheel, reduces stress, improves the globality of wheel
Can, and above structure to forge and press the reduction of production process difficulty.At the same time, the utility model relates to rail wheel, answer
For passenger train or lorry, it is suitable for tread brake or reel is braked, be easy to produce in batches, be especially easy to whole forging
It makes.Bending disc rail wheel described in the utility model, structure is simple, is ensuring to have good braking ability, is being easy to batch
While metaplasia produces, wheel lightweight can be realized, guarantee that wheel has reasonable intensity, rigidity and braking thermodynamic property,
Improve the market competitiveness.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below:
Fig. 1 is the schematic cross-sectional view of bending disc rail wheel described in the utility model；
Attached drawing acceptance of the bid note is respectively as follows: 1, wheel hub；2, wheel web；3, wheel rim；4, disc side I；5, disc side II；6,
I flexure plane of side；7, II flexure plane of side；8, I flexure plane I of side；9, I flexure plane II of side；10, I flexure plane III of side；
11, II flexure plane I of side；12, II flexure plane II of side；13, II flexure plane III of side；14, intermediate cross-section；15, cross section
Flexure plane I；16, cross sectional curve face II；17, cross sectional curve face III；18, wheel hub medial axis；19, axial vertex tangent I；
20, axial vertex tangent II；21, wheel rim；22, tyre tread；23, wheel hub-disc transition region；24, wheel rim-disc transition region.
Specific embodiment
Below against attached drawing, by the description of the embodiment, such as related to specific embodiment of the present utility model
The shape of each component, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle etc. make into
The detailed description of one step:
As shown in Fig. 1, the utility model is a kind of bending disc rail wheel, the bending disc rail wheel packet
Wheel hub 1, wheel web 2, wheel rim 3 are included, the wheel web 2 is set as in flexure plane structure, and 2 one end of disc and wheel hub 1 connect
Connect, 2 other end of disc is connect with wheel rim 3, wheel web 2 include disc side I 4 and disc side II 5, disc side I 4 from
Wheel hub 1 connects one end and multiple I flexure planes 6 of side is arranged to one end is connect with wheel rim 3, and disc side II 5 connect one from wheel hub 1
It holds and connect setting multiple II flexure planes 7 of side in one end with wheel rim 3.Above structure will when designing or manufacturing rail wheel
Wheel web is designed as segmented (such as three-stage), so as to effectively increase the radial flexibility of wheel, reduces stress, improves vehicle
The overall performance of wheel, and above structure to forge and press the reduction of production process difficulty.At the same time, the utility model relates to rail
Road wheel is applied on passenger train or lorry, is suitable for tread brake or reel is braked, be easy to produce in batches, especially easily
In solid forging.Bending disc rail wheel described in the utility model, structure is simple, ensure to have good braking ability,
While being easy to mass production, wheel lightweight can be realized, guarantee that wheel has reasonable intensity, rigidity and braking heating power
Performance is learned, the market competitiveness is improved.
I flexure plane 6 of side of the disc side I 4 includes I flexure plane I 8 of side, I flexure plane II 9 of side, side I
Flexure plane III 10, I flexure plane I 8 of side are set as the structure being inwardly recessed, and I flexure plane II 9 of side is set as the knot outwardly protruded
Structure, I flexure plane III 10 of side are set as the structure being inwardly recessed.
II flexure plane 7 of side of the disc side II 5 include II flexure plane I 11 of side, II flexure plane II 12 of side,
II flexure plane III 13 of side, II flexure plane I 11 of side are set as the structure outwardly protruded, II flexure plane II 12 of side be set as to
Interior recessed structure, II flexure plane III 13 of side are the structure outwardly protruded.
I flexure plane of side, I 8 one end of I flexure plane 6 of side is connect with wheel hub 1, I flexure plane of side, I 8 other end
It is connect with I flexure plane of side, II 9 one end, I flexure plane of side, II 9 other end is connect with I flexure plane of side, III 10 one end, side I
III 10 other end of flexure plane is connect with wheel rim 3.
II flexure plane of side, I 11 one end of II flexure plane 7 of side is connect with wheel hub 1, and II flexure plane I 11 of side is another
One end is connect with II flexure plane of side, II 12 one end, and II flexure plane of side, II 12 other end and II flexure plane of side, III 13 one end connect
It connects, II flexure plane of side, III 13 other end is connect with wheel rim 3.
Intermediate cross-section 14, intermediate cross-section is arranged in I flexure plane 6 of side and II flexure plane of side, 7 middle position
14 include cross sectional curve face I 15, cross sectional curve face II 16, cross sectional curve face III 17, and cross sectional curve face II 15 is axial
Vertex tangent is arranged in parallel to the structure of wheel hub medial axis 18.
The axial vertex tangent I 19 in the cross sectional curve face I 15 of the intermediate cross-section 14 and cross sectional curve face III
Angle ψ between 17 axial vertex tangent II 20 is arranged between 100 ° -135 °.Above structure setting, can effectively reduce
Stress at outer radius R3 and at outer radius R4, and reduce disc maximum stress.If angle ψ is too small, maximum stress will
Present in R3 or R4, and maximum static strength or maximum fatigue strength can exceed that threshold value as defined in EN 13979-1 standard.If
Angle ψ is excessive, then stress will increase, and causes maximum static strength or maximum fatigue strength that can exceed that EN 13979-1 standard provides
Threshold value.
The disc 2 is set as from one end is connect with wheel hub 1 to connecting thickness gradually thinning knot in one end with wheel rim 3
Structure.Above structure is ensuring wheel strength meanwhile, it is capable to effectively reduce wheel weight, is realizing lightweight, when saving vehicle operation
Energy consumption and production process raw materials consumption, energy conservation and environmental protection.If disc is designed as uniform thickness structure, disc is by leaning on and wheel hub
Connection one end connect with wheel rim that stress at one end is much smaller than and wheel hub connects to connecting the stress of one end with wheel rim or gradually reduce
One end is connect, so that structure be caused to waste.
The outer radius R1 of I flexure plane I 8 of side of I flexure plane 6 of side is arranged between 70mm-150mm, side
The outer radius R2 of II flexure plane I 11 of side of II flexure plane 7 of face is arranged between 70mm-150mm, I flexure plane 6 of side
The outer radius R3 of I flexure plane II 9 of side is arranged between 45mm-125mm, II flexure plane II of side of II flexure plane 7 of side
12 outer radius R4 is arranged between 45mm-125mm, the outer radius R5 of I flexure plane III 10 of side of I flexure plane 6 of side
It is arranged between 25mm-125mm, the outer radius R6 of II flexure plane III 13 of side is arranged between 25mm-125mm.Above-mentioned ruler
It is very little to be combined together, wheel radial direction flexibility can be increased, be conducive to reduce stress, improve performance.
The wheel of the utility model provides a kind of lightweight wheel, and the wheel is easily fabricated, and has sufficiently high
Radial flexibility and axial rigidity.The utility model is real by introducing a kind of new structural bending disc between wheel hub and wheel rim
It is existing.The adjustable design of the disc, to be balanced between low stress and small wheel rim axial deformation.
The utility model is a kind of for passenger train and the rail wheel of lorry.The wheel includes wheel hub, disc and tool
There is the wheel rim of tyre tread and wheel rim.Disc is curved structure type, and disc has an intermediate cross-section, is positioned for disc and auxiliary
Help mapping.Disc intermediate cross-section originates in wheel hub, terminates at wheel rim.Disc intermediate cross-section section start and termination are straight
Line, disc and disc intermediate cross-section are connected by three curves, and there are two inflection points altogether, are located at the two of disc intermediate projections
Side, the first inflection point is close to wheel hub, and Second Inflexion Point is close to wheel rim.Disc intermediate projections have the center of curvature positioned at wheel side.
Disc also has a first end part between in the engaging zones positioned at the first inflection point and with wheel hub, and be located at Second Inflexion Point and
Second end part between the engaging zones of wheel rim, the two end sections have relative to disc intermediate projections, position
The center of curvature in wheel opposite side.As shown in Fig. 1, in the utility model, X-X axis is wheel axis of rotation, also referred to as
It is axial.Y-axis line is wheel hub medial axis, indicates the radial direction perpendicular to X-X axial direction.X-X axis arrow direction is outside, X-
The opposite direction of X-axis line arrow is inside.The intermediate cross-section of disc 5 extends along curve A-G.And point A and region in region 6
There are three sections of bendings between point G in 7.B-C is that first segment is bent (cross sectional curve face I 15), and C-E is that second segment bending is (transversal
16), E-F is that third section is bent (cross sectional curve face III 17) to face flexure plane II.The intermediate cross-section A-G of disc 5 passes through X1
And X2 is in axially position, wherein straight line A-B is biased outward, and straight line F-G is biased to inside, straight line A-B and straight line F-G it is axial away from
From X2 >=16mm.X2 >=16mm improves wheel overall performance, increases the axial drop of disc, and the radial direction for increasing wheel is soft
Degree is conducive to reduce stress.If X2 is too small, stress be will increase, and cause disc maximum static strength or maximum fatigue strength may
More than threshold value as defined in EN 13979-1 standard.
Bending disc rail wheel described in the utility model sets wheel web when designing or manufacturing rail wheel
It is calculated as segmented (such as three-stage), so as to effectively increase the radial flexibility of wheel, reduces stress, improves the globality of wheel
Can, and above structure to forge and press the reduction of production process difficulty.At the same time, the utility model relates to rail wheel, answer
For passenger train or lorry, it is suitable for tread brake or reel is braked, be easy to produce in batches, be especially easy to whole forging
It makes.Bending disc rail wheel described in the utility model, structure is simple, is ensuring to have good braking ability, is being easy to batch
While metaplasia produces, wheel lightweight can be realized, guarantee that wheel has reasonable intensity, rigidity and braking thermodynamic property,
Improve the market competitiveness.
Illustrative description is carried out to the utility model above in conjunction with attached drawing, it is clear that the utility model concrete implementation is simultaneously
It is not limited by aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or
It is not improved that the conception and technical scheme of the utility model are directly applied into other occasions, in the protection of the utility model
In range.
Claims (9)
1. a kind of bending disc rail wheel, it is characterised in that: the bending disc rail wheel includes wheel hub (1), wheel
Disc (2), wheel rim (3), the wheel web (2) are set as in flexure plane structure, wheel web (2) one end and wheel hub (1)
Connection, wheel web (2) other end are connect with wheel rim (3), and wheel web (2) includes disc side I (4) and disc side II
(5), multiple I flexure planes of side (6) are arranged to one end is connect with wheel rim (3) from connecting one end with wheel hub (1) in disc side I (4),
Multiple II flexure planes of side (7) are arranged to one end is connect with wheel rim (3) from connecting one end with wheel hub (1) in disc side II (5).
2. bending disc rail wheel according to claim 1, it is characterised in that: the side I of disc side I (4) is bent
Face (6) includes I flexure plane I (8) of side, I flexure plane II (9) of side, I flexure plane III (10) of side, and I flexure plane I (8) of side is set
It is set to the structure being inwardly recessed, I flexure plane II (9) of side is set as the structure outwardly protruded, the setting of I flexure plane III (10) of side
For the structure being inwardly recessed.
3. bending disc rail wheel according to claim 1, it is characterised in that: the side II of disc side II (5) is curved
Curved surface (7) includes II flexure plane I (11) of side, II flexure plane II (12) of side, II flexure plane III (13) of side, and side II is bent
Face I (11) is set as the structure outwardly protruded, and II flexure plane II (12) of side is set as the structure being inwardly recessed, and side II is bent
Face III (13) is the structure outwardly protruded.
4. bending disc rail wheel according to claim 1, it is characterised in that: the side of I flexure plane of side (6)
I flexure plane I (8) one end of face is connect with wheel hub (1), and I flexure plane I (8) other end of side and I flexure plane II (9) one end of side connect
It connects, I flexure plane II (9) other end of side is connect with side I flexure plane III (10) one end, side I flexure plane III (10) other end
It is connect with wheel rim (3).
5. bending disc rail wheel according to claim 1, it is characterised in that: the side of II flexure plane of side (7)
II flexure plane I (11) one end of face is connect with wheel hub (1), II flexure plane I (11) other end of side and II flexure plane II (12) of side
One end connection, II flexure plane II (12) other end of side are connect with side II flexure plane III (13) one end, II flexure plane III of side
(13) other end is connect with wheel rim (3).
6. bending disc rail wheel according to claim 1, it is characterised in that: I flexure plane of side (6) and side
Face II flexure plane (7) middle position be arranged intermediate cross-section (14), intermediate cross-section (14) include cross sectional curve face I (15),
Cross sectional curve face II (16), cross sectional curve face III (17), cross sectional curve face II (16) axial direction vertex tangent are set as flat
Row is in the structure of wheel hub medial axis (18).
7. bending disc rail wheel according to claim 6, it is characterised in that: the cross of the intermediate cross-section (14)
The axial vertex tangent I (19) in section flexure face I (15) and the axial vertex tangent II (20) in cross sectional curve face III (17) it
Between angle ψ be arranged between 100 ° -135 °.
8. bending disc rail wheel according to claim 1, it is characterised in that: the wheel web (2) is set as
From one end is connect with wheel hub (1) to connecting thickness gradually thinning structure in one end with wheel rim (3).
9. bending disc rail wheel according to claim 1, it is characterised in that: the side of I flexure plane of side (6)
The outer radius R1 of I flexure plane I (8) of face is arranged between 70mm-150mm, II flexure plane I of side of II flexure plane of side (7)
(11) outer radius R2 is arranged between 70mm-150mm, the outside half of I flexure plane II (9) of side of I flexure plane of side (6)
Diameter R3 is arranged between 45mm-125mm, and the outer radius R4 of II flexure plane II (12) of side of II flexure plane of side (7) is arranged
Between 45mm-125mm, the outer radius R5 of I flexure plane III (10) of side of I flexure plane of side (6) is arranged in 25mm-
Between 125mm, the outer radius R6 of II flexure plane III (13) of side is arranged between 25mm-125mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820593469.4U CN208452697U (en) | 2018-04-25 | 2018-04-25 | It is bent disc rail wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820593469.4U CN208452697U (en) | 2018-04-25 | 2018-04-25 | It is bent disc rail wheel |
Publications (1)
| Publication Number | Publication Date |
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| CN208452697U true CN208452697U (en) | 2019-02-01 |
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ID=65150457
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820593469.4U Active CN208452697U (en) | 2018-04-25 | 2018-04-25 | It is bent disc rail wheel |
Country Status (1)
| Country | Link |
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| CN (1) | CN208452697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501615A (en) * | 2018-04-25 | 2018-09-07 | 马钢(集团)控股有限公司 | A kind of bending disc rail wheel |
-
2018
- 2018-04-25 CN CN201820593469.4U patent/CN208452697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501615A (en) * | 2018-04-25 | 2018-09-07 | 马钢(集团)控股有限公司 | A kind of bending disc rail wheel |
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