CN104913001B - Shaft spring - Google Patents
Shaft spring Download PDFInfo
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- CN104913001B CN104913001B CN201510084077.6A CN201510084077A CN104913001B CN 104913001 B CN104913001 B CN 104913001B CN 201510084077 A CN201510084077 A CN 201510084077A CN 104913001 B CN104913001 B CN 104913001B
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- Prior art keywords
- main shaft
- block
- outer tube
- axle
- elastic
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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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
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3807—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by adaptations for particular modes of stressing
- F16F1/3814—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by adaptations for particular modes of stressing characterised by adaptations to counter axial forces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3842—Method of assembly, production or treatment; Mounting thereof
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Manufacturing & Machinery (AREA)
- Springs (AREA)
- Vibration Prevention Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a shaft spring which, compared with the prior art, is not limited by changing of weight on the spring during emergency break at full commission, provides high riding comfort, reducing non-linear characteristics of shaking, preventing increasing of parts number and structural complexity due to non-linear characteristics and is excellent in endurance. The shaft spring comprises a main shaft, an outer cylinder which is configured in such a manner of, when viewed from the axis center of a main shaft, enclosing the main shaft, and an elastic portion which is formed in such a manner of laminating alternatively with radial inner and outer directions of an intermediate hard cylinder and the axis center of an elastic layer and installing between the main shaft and the outer cylinder. The main shaft is provided with blocks made of elastic materials, and the blocks approach to each other with the main shaft on the axis center direction of the outer cylinder with preset amount. A body fixed outside the outer cylinder abuts against the blocks, and the blocks are detachably installed on the main shaft.
Description
Technical field
The present invention relates to a kind of axle spring assembly for being mainly used in rail truck, more particularly to one kind main shaft and outer tube it
Between intervention the axle spring of elastic is installed, wherein, during from terms of the axis direction of main shaft, the outer tube surrounds main shaft with outside
State is configured, and the elastic is that middle hard cylinder and elastic layer are alternately laminated and shape on the radially inner and outer direction in axle center
Into.
Background technology
As the example using this axle spring, applied the example in bogie of railway car more.For example, Japan
In state's JP 2009-115156 publication (with reference to Fig. 3), in railway chassis 29, as making 27 suspension strut of axle box in chassis
The unit of frame 28 and use, wherein axle box 27 is used to support the axletree 26 of wheel 25.
But, tending to following situation this axle spring assembly, i.e. in the case where the car body weights such as such as empty wagons are little more,
In order to further improve riding comfort or in curve driving occur wheel unloading difficulty, by soft rubber be used as constitute axle
The elastic layer of spring, so that the spring constant of entirety is set as low value.
But, if making overall spring constant be set as low value, for example, apply big at compartment full (exceeding staffing)
Load causes riding comfort to deteriorate as in the case of brake hard, there is elastic layer big bending occurring, or these elasticity
The durability of the countershaft spring of the worried increase of cracking or creep etc. layer occurs or LC is also easy to produce the tendency of bad impact by bus.
Therefore, for the riding comfort that improves during the heavy load such as full and avoid elastic layer that cracking or creep occur,
If making spring constant be set as high level, so can cause the trackability of curve driving in the little such as empty wagons of tare or take advantage of
Sit comfortableness to decline.
In addition, in terms of nearest wheel weight management, when the spring constant under various loads is to fix, because being susceptible to wheel
Weight off-load or left regulation wheel weight are more bothersome, so as to be difficult to using on new car sometimes.
Therefore, as shown in the Fig. 3 in Japanese Laid-Open 2003-341511 publication, it discloses a kind of following axle spring：
Control system with auxiliary air spring is set, wherein the auxiliary air spring is configured in main shaft top, so as to low negative
Carrying make air spring hardly play a role under scope (during empty wagons)；And reaching the height of full or close full tare
Under loading range, air spring and elastic collaborative work and play spring effect, the axle bullet with non-linear spring characteristics
Spring.
In addition, as shown in Japanese Laid-Open 2006-057746 publication, increase the diameter of main shaft flange, and will most inner side
Hard next door (intermediate cylinder) extend downwards, elastic bending to a certain extent rear flange can with most inner side hard next door support
Connect, i.e., the axle spring that nonlinear characteristic is played as so-called metal contact structure has been also carried out attempting.
But, in the scheme shown in Japanese Laid-Open 2003-341511 publication, due to also needing in addition to elastic layer
The control system of air spring is wanted, therefore, not only resulting in number of components increases and cost raising, and due on main shaft top
Fixed air spring, therefore also cause the complication of structure.In addition, as shown in Japanese Laid-Open 2006-057746 publication,
Occur between making element in the scheme disturbed, can there is a problem of noise being produced during interference, it is also difficult to obtain long-term
The characteristic for stabilizing.
The content of the invention
In view of above-mentioned practical situation, it is an object of the invention to provide a kind of, not by during brake hard in the case of full etc.
Sprung weight the restriction that brought of change, with good riding comfort can be played or the non-of effect is rocked in mitigation
Linear characteristic, avoids the nonlinear characteristic to cause number of components to increase or complex structure as far as possible, and in durability
Excellent, improved axle spring compared with prior art.
Axle spring of the invention, which includes：Main shaft 1；Outer tube 2, when in terms of its axle center P direction from the main shaft 1 with
Outside surrounds the state configuration of the main shaft 1；And elastic 3, which is so that middle hard cylinder 9,10 and elastic layer 11,12,13 to be existed
On the radially inner and outer direction of the axle center P, alternately laminated and intervention is installed in the mode shape between the main shaft 1 and the outer tube 2
Into, it is characterised in that：
The block (stopper) 4 of elastomeric material is releasably set in the main shaft 1 or the outer tube 2, with described
The movement are relatively close to ormal weight on the direction of the axle center P by main shaft 1 and the outer tube 2, the block 4 is being set
Put in the case of the main shaft 1, be fixed on being abutted with the block 4 by fixed body 18a for the outer tube 2, and will be described
In the case that block 4 is arranged on the outer tube 2, the main shaft 1 is abutted with the block 4.
According to before the movement are relatively close to ormal weight on the direction in axle center by the present invention, main shaft and outer tube, locate
Suspension status under the elastic reaction by elastic；After the movement being relatively close to ormal weight, in by elasticity
Suspension status under the elastic reaction in both portion and block.Therefore, it is gentle non-under the suspension status for being based only upon elastic
The suspension status based on block is increased in linear characteristic, i.e., be increased the spring constant of block and formed second nonlinear spy
Property, so as to the suspension status of the softness (soft) in light load under being acted on by elastic is big what is significantly sunk
Hard suspension status during load under elastic reaction of the elastic with both blocks.
And, as the method for obtaining the second nonlinear characteristic, only the block of elastomeric material is arranged on
Main shaft or outer tube, thus need not be complicated structure, such that it is able to being realized with a low cost simple structure.
As a result, providing a kind of by limiting that the change of sprung weight during brake hard in the case of full etc. is brought
System, with playing good riding comfort or mitigate the nonlinear characteristic of effect of rocking, is avoided described non-linear as far as possible
Characteristic causes number of components to increase and complex structure, in addition durability it is also excellent, improved compared with prior art
Axle spring.
Axle spring described in 1 according to the embodiment of the present invention, it is characterised in that：
The block 4 is arranged on the main shaft 1.
According to the present invention, the method due to arranging block in main shaft as axle spring, with central shaft, therefore with will
Block is arranged on the situation of outer tube and compares, can by block easily balance configure well axle spring center position or
Main shaft etc. is directly installed on without the need for miscellaneous part, so as to realize simplification and the cost degradation of structure, while can be reasonably
Assembled.
Axle spring described in 2 according to the embodiment of the present invention, it is characterised in that：The main shaft 1 is formed with tubular,
The block 4 includes：Installation portion 4B, its enter to the hollow bulb 1D of the main shaft 1 and be closely fitted together to or be pressed in
The hollow bulb 1D；Service portion 4A, which is thicker and prominent towards the direction of the axle center P from the main shaft 1 than the installation portion 4B
Go out, so as to form the end difference 4a abutted with annular end face 1b of the main shaft 1.
According to the present invention, by installation portion to be closely fitted together to or is pressed into the hollow bulb in main shaft, until end difference and ring-type
End face is abutted such that it is able to will be block simple and be definitely arranged on main shaft.
Axle spring described in 3 according to the embodiment of the present invention, it is characterised in that：
The hollow bulb 1D is got over towards the main shaft 1 from annular end face 1b on the axle center P directions with its diameter
Deep inside more become big mode and be formed as bottom enlarged shape.
According to the present invention, have the advantage that：Hollow bulb more more becomes big side towards the deep inside of main shaft with its diameter
Formula is formed as bottom enlarged shape and is constituted with light weight body, while can be cut block by the chimeric or press-in of installation portion
Main shaft is arranged on the spot.
Axle spring described in 3 or 4 according to the embodiment of the present invention, it is characterised in that：On the top of the service portion 4A
Face 4b is configured with the sliding material 21 for the coefficient of friction reduced and between the 18a by fixed body.
According to the present invention, in the state abutted with block by fixed body, in the state of being applied with heavy load, by fixed body
Can carry out under low friction state with the laterally opposed displacement of block, therefore be preferred.
Description of the drawings
Fig. 1 is the sectional view (embodiment 1) for illustrating axle spring structure.
Fig. 2 is the sectional view of deformation state when illustrating that heavy load is acted on.
Fig. 3 is the figure for illustrating relation between load and deflection.
Fig. 4 is the sectional view of the major part of other embedded structures 1 for illustrating block.
Fig. 5 is the sectional view of the major part of other embedded structures 2 for illustrating block.
Fig. 6 is the side view of the railway chassis major part for being shown with one, axle spring.
Specific embodiment
Below, referring to the drawings the embodiment of the axle spring of the present invention is illustrated.Additionally, as shown in figure 1, due to outer
Cylinder 2 is more with situation about using in upper state relative to main shaft 1, therefore the state is referred to as upright state, and with this
Upright state is specifying up and down.
According to the present invention, as shown in figure 1, axle spring A includes：Main shaft 1；Outer tube 2；Elastic 3, its intervention is installed in these
Between main shaft 1 and outer tube 2；And block 4, which is arranged on the upper end of main shaft part 1.As shown in figure 1, axle spring A is located at main shaft 1
The situation that upright state below outer tube 2 is used is more, but is not limited to this.
Main shaft 1 has axle center P and rounded during from terms of the direction of axle center P, and main shaft 1 includes：The supporting part 1A of lower end, which is received
To the support of chassis side；The main part 1B on top；Flange part 1C, which is located at supporting part 1A and main part 1B in-between；Bow
The rounded hollow bulb 1D of apparent time, which forms from upper end and generally descends centre to supporting part 1A.The outer peripheral face 5 of main part 1B
And inner peripheral surface 6 is formed as, more more become downward big taper seat (tapered outer circumferential surfaces, in inverted cone relative to the diameter of axle center P
Side face).That is, deep insides of the hollow bulb 1D with its diameter from annular end face 1b more towards main shaft 1 on the direction of axle center P more becomes
Big mode is formed as bottom enlarged shape.
Cylindric outer tube 2 includes：Skirt (skirt) portion 7, its have relative to upper and lower axle center P diameter more downward
More become big taper seat, i.e. tapered inner circumferential surface 7a；And cylinder top 8, which is located at the top in skirt section 7.Circular cone inner peripheral surface 7a's inclines
Rake angle and direction setting are identical into the outer peripheral face 5 with main part 1B.Cylinder top 8 is substantially with relative to the straight of axle center P
Footpath is the part of fixed inner peripheral surface, and the cylinder top 8 is formed with the bigger insertion part 8a of diameter so that following fixing components
18a etc. can be embedded in insertion part 8a.
The outer tube 2 with from the side when be closer to compared with main shaft 1 upside, and from outside surround main shaft 1 state match somebody with somebody
Put, its condition is the bottom of outer tube 2 and the upper end location of main shaft 1 is identical height level.
Elastic 3 is, by by the elastic layer 11 of first and second inside and outside middle hard cylinder 9,10 and rubber system, 12,
13 with the state of (or substantially concentric also can) concentric with axle center P, alternately laminated constituting on radially inner and outer direction.
Each the middle hard cylinder 9,10 being made up of metal material etc. and each elastic layer 11-13, be formed as with main body
With the inclined circular cone tubular of equal angular on the 5 identical direction of outer peripheral face of portion 1B.The most inner circumferential of the first elastic layer 11 of inner side
Face forms integrated come the outer peripheral face 5 with main shaft 1 by methods such as bonding by Vulcanization, and outermost 3rd elastic layer 13 is outer
Side face forms integrated come the tapered inner circumferential surface 7a with outer tube 2 by methods such as bonding by Vulcanization.
As shown in figure 1, block 4 is the stepped cylindrical with the less installation portion 4B of service portion A and diameter being relatively large in diameter
The component of shape, and which is by constituting with flexual elastomeric material such as rubber.The diameter of installation portion 4B is set as the peace
Dress portion 4B can be pressed into the value of the top degree of the hollow bulb 1D in main shaft 1, by installation portion 4B is forced downwards movement, make
Installation portion 4B is inserted into the position that end difference (cascaded surface) 4a of ring-type can be loaded into annular end face 1b of main part 1B.As general
The method that block 4 is fixed to main shaft 1, for example, can be the methods such as the bonding in addition to press-in.
As shown in fig. 6, axle spring A be used for example as by 17 suspension strut of axle box chassis frame 18 unit, wherein, it is described
Axle box 17 is used for the axletree 16 of the wheel 15 for supporting railway chassis 14.In the example, it is each configured with before and after axletree 16
On the upside of axle spring A, with rail truck (omit diagram) identical spring, fixing component 18a that is fixed on chassis frame 18 embeds
It is fixed on the insertion part 8a of outer tube 2.The collecting rounded when being by its supporting part 1A is embedded in from terms of above-below direction of main shaft 1
Portion 17a being configured in axle box 17, wherein, the resettlement section 17a is formed with state recessed downwards in axle box 17.
As the example that block 4 works, rail truck (when more than staffing by bus) when full can be enumerated such as urgent
The heavy load of braking puts on the situation of chassis.State is shown below in the example shown in Fig. 2：Elastic 3 is made relative to master
There is elastic deformation in axle 1,18a significantly declines thus to make fixing component (by of fixed body), so that fixing component
18a is not only connected to the annular upper face 2a of outer tube 2, but also is connected to the state of the upper surface 4b of block 4.In the state
Under, if fixing component 18a further declines relatively, only by the state under the elastic reaction of elastic 3 till current, and
The state of the elastic reaction for being now formed as also being added block 4.
Therefore, if being connected to when block 4 is abutted, elastic by elastic deformation to fixing component 18a is started from elastic 3
Deflection on 3 axle center P directions is set as α (being relatively close to movement of ormal weight), then the deflection of elastic 3 and load
Between relation illustrate in the chart of Fig. 3.That is, when deflection is in below α, the elasticity under expression is only acted on by elastic 3 becomes
Deformation (gentle nonlinear line x), if deflection is changed into by the bullet under the effect of both elastic 3 and block 4 more than α
Property deformation change (steep anxious nonlinear line y).Additionally, dotted line z is represented when do not have a case that block 4 (only elastic 3)
Change.
Due to block 4 using the structure (hollow bulb 1D and annular end face 1b) of main shaft 1 releasably installing, therefore, remove
Beyond installation and removal become easily, part can also be individually replaced.Alternatively, it is also possible to by after block 4 plus installed in existing
Axle spring.By the size (diameter, height etc.), or the hardness (rubber hardness, spring constant) that change service portion 4A, can be to non-
Linear characteristic is adjusted setting.In addition, by change installation portion 4B size, it is also possible to spring performance is finely adjusted, or
The length of durability is set.
As shown in figure 1, for block 4, when the height dimension of service portion 4A is set as h1, by the height of installation portion 4B
Degree be dimensioned so as to h2 and by between the upper surface 2a of the upper surface 4b and outer tube 2 of block 4 between the upper and lower when X is set as, it is excellent
Select h2 ＞ X.
As upper surface 2a is provided with fixing component 18a (with reference to Fig. 2), thus it is described between the upper and lower every X be so-called empty wagons
When gap size between block 4 and fixing component 18a.The violent lower body face (not shown) for moving up and down etc. when full
In the case that (or fixing component 18a) is abutted with the upper surface 4b of block 4 (with reference to Fig. 2), block 4 can be close to lower body face,
Then, when lower body face rises movement, block 4 may be extracted from main shaft 1.
Therefore, if being set as h2 ＞ X, have the advantage that：Even at above-mentioned condition, block 4 also will not completely from
Main shaft 1 is extracted, when block 4 by the decline again of vehicle body movement pressing and when returning to origin-location, insertion can be maintained
It is supported in the state of main shaft 1.
Additionally, in the case where fixing components 18a such as lower body face are embedded into the structure of insertion part 8a of outer tube 2, with regard to
The interval X represented by the line drawn by double dot dash line in Fig. 1, is set as h2 ＞ X.
In addition, there is no special provision to the ratio of the height dimension h2 of the height dimension h1 and installation portion 4B of service portion 4A,
But from the viewpoint of stable braking characteristic or sufficient durability is obtained, it would however also be possible to employ be set to the structure of h1 ＜ h2.
As shown in Fig. 1 etc., the upper end peripheral part of service portion 4A is formed into circle or oblique cutting, if in addition, by installation portion
The lower end week portion of 4B forms circle or oblique cutting, then improve with durability, or the improved advantage such as be easily inserted.
[other specific embodiments]
(1) as shown in figure 4, can be using such as lower axle spring A：The axle spring A possesses with bottom diminution shape
The main shaft 1 of empty portion 1D, wherein the hollow bulb 1D possesses the coniform inner peripheral surface 6 ' that diameter more more diminishes downward.In the feelings
Under condition, can be using installation portion 4B can be pressed into block 4 from top to bottom that constitute to hollow bulb 1D.In the structure shown here, inner circumferential
Load can also be born in face 6 ', and be not only the elastic reaction that service portion 4A can also play installation portion 4B.
(2) as shown in Figure 5, it is also possible to be such as lower axle spring A：Arrange towards radial outside in the upper end of hollow bulb 1D and protrude
Peripheral groove 19, and arrange and be formed with the block 4 of circumference raised line 20, wherein the circumference raised line 20 is used to be embedded in the circle
All grooves 19.In this case, circumference raised line 20 is installed to hollow bulb 1D as block 4 is chimeric and is pressed into peripheral groove 19,
The effect of the effect extracted so as to the anti-stop block 4 that strengthened upwards.In Figure 5, peripheral groove 19 and circumference raised line 20
Section shape semicircular in shape but it is also possible to be other shapes.
(3) as shown in the double dot dash line of Fig. 5, it is also possible to upper surface (top end face) 4b of block 4 be configured to reduce with
The sliding material 21 of the coefficient of friction between fixing component 18a.By configuring sliding material 21, abutting with fixing component 18a
State (with reference to Fig. 2), i.e. in the state of heavy load is applied with, the laterally opposed movement of fixing component 18a and block 4 can be with
Carry out under low friction state, therefore be preferred.As sliding material 21, can be with exemplified nylon (thin plate), fluororesin
Deng the material with low-friction coefficient.
(4) though eliminating diagram, but it is also possible to using by block 4 be arranged on 2 side of the outer tube such as fixing component 18a component or
The structure of outer tube 2.For example, it may be considered that following structure, setting are supported in the plectane of outer tube 2 with the state for being embedded in insertion part 8a
Shape component, and the structure of the lower surface fixed stop 4 in the discoideus component.In this case, if chassis side and vehicle side
There is relative upper and lower displacement, be then formed as the chimeric upper surface flat installed in main shaft 1 or the The lid component of hollow bulb 1D, i.e. main shaft
1 or the suspension status that abuts with block 4 of component of 1 side of main shaft.
Claims (3)
1. a kind of axle spring, the axle spring include：Main shaft；Outer tube, is wrapped with outside when which is from terms of the axis direction of the main shaft
Enclose the state configuration of the main shaft；And elastic, its with by middle hard cylinder and elastic layer the axle center radially inner and outer side
Alternately laminated upwards and intervention is formed installed in the mode between the main shaft and the outer tube, it is characterised in that：
The block of elastomeric material is releasably set in the main shaft or the outer tube, as the main shaft and the outer tube exist
The movement being relatively close to ormal weight on the direction in the axle center, be fixed on the outer tube by fixed body or the main shaft
Abut with the block,
The block is releasably arranged on the main shaft, and the main shaft is formed with tubular,
The block includes：
Installation portion, which enters to the hollow bulb of the main shaft and is closely fitted together to or is pressed in the hollow bulb；Service portion, which is than institute
Installation portion is stated more slightly and from the main shaft towards the direction in axle center protrusion, so as to the annular end face formed with the main shaft is supported
The end difference for connecing,
The height dimension of the installation portion is set as upper between the upper surface of h2, the upper surface of the block and the outer tube
When lower interval is set as X, h2 ＞ X.
2. axle spring according to claim 1, it is characterised in that：
The hollow bulb gets over the inside depth towards the main shaft from the annular end face with its diameter on the direction in the axle center
More becoming big mode is formed as bottom enlarged shape at place.
3. axle spring according to claim 1 and 2, it is characterised in that：
The sliding material for reduction and the coefficient of friction by between fixed body is configured with the top end face of the service portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014046785A JP6308819B2 (en) | 2014-03-10 | 2014-03-10 | Shaft spring |
| JP2014-046785 | 2014-03-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104913001A CN104913001A (en) | 2015-09-16 |
| CN104913001B true CN104913001B (en) | 2017-04-12 |
Family
ID=54082336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510084077.6A Active CN104913001B (en) | 2014-03-10 | 2015-02-16 | Shaft spring |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6308819B2 (en) |
| CN (1) | CN104913001B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6784590B2 (en) * | 2016-12-21 | 2020-11-11 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Shaft spring |
| JP6731841B2 (en) * | 2016-12-21 | 2020-07-29 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Axial spring |
| JP6731840B2 (en) * | 2016-12-21 | 2020-07-29 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Axial spring |
| JP6789094B2 (en) * | 2016-12-21 | 2020-11-25 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Shaft spring |
| CN106949181A (en) * | 2017-05-05 | 2017-07-14 | 株洲时代新材料科技股份有限公司 | A kind of volute spring and oscillation damping method of use horn mouth formula dividing plate |
| JP2020063761A (en) * | 2018-10-16 | 2020-04-23 | ニッタ化工品株式会社 | Shaft spring |
| JP7153232B2 (en) * | 2018-12-27 | 2022-10-14 | いすゞ自動車株式会社 | Air spring locking structure |
| CN109532912B (en) * | 2019-01-02 | 2020-11-27 | 中车株洲电力机车有限公司 | Train linkage and suspension type monorail train |
| CN113685480B (en) * | 2021-07-13 | 2023-04-18 | 株洲时代瑞唯减振装备有限公司 | Composite conical rubber spring and rigidity design method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3593835B2 (en) * | 1997-02-14 | 2004-11-24 | 日産自動車株式会社 | Anti-vibration support device |
| JP4810015B2 (en) * | 2001-07-30 | 2011-11-09 | 東洋ゴム工業株式会社 | Axle spring device for railway vehicles |
| JP4714505B2 (en) * | 2005-05-25 | 2011-06-29 | 東洋ゴム工業株式会社 | Air spring |
| JP5033499B2 (en) * | 2007-06-18 | 2012-09-26 | 東洋ゴム工業株式会社 | Axle spring device |
| US20110031662A1 (en) * | 2008-02-25 | 2011-02-10 | Bridgestone Corporation | Air spring device |
| CN101607562B (en) * | 2009-07-24 | 2011-12-14 | 株洲时代新材料科技股份有限公司 | Journal spring buffering method for railbound vehicle bogie and journal spring |
| JP5396336B2 (en) * | 2010-05-28 | 2014-01-22 | 東海ゴム工業株式会社 | Fluid filled vibration isolator |
-
2014
- 2014-03-10 JP JP2014046785A patent/JP6308819B2/en not_active Expired - Fee Related
-
2015
- 2015-02-16 CN CN201510084077.6A patent/CN104913001B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015169313A (en) | 2015-09-28 |
| JP6308819B2 (en) | 2018-04-11 |
| CN104913001A (en) | 2015-09-16 |
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