CN107956821A - A kind of steel back structure of low eccentric wear - Google Patents
A kind of steel back structure of low eccentric wear Download PDFInfo
- Publication number
- CN107956821A CN107956821A CN201711242842.8A CN201711242842A CN107956821A CN 107956821 A CN107956821 A CN 107956821A CN 201711242842 A CN201711242842 A CN 201711242842A CN 107956821 A CN107956821 A CN 107956821A
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- China
- Prior art keywords
- friction plate
- steel back
- length
- ears
- plug
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- 241000357293 Leptobrama muelleri Species 0.000 title claims abstract description 74
- 210000005069 ears Anatomy 0.000 claims abstract description 47
- 238000009434 installation Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/0006—Noise or vibration control
- F16D65/0012—Active vibration dampers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides a kind of steel back structure of low eccentric wear, belongs to the technical field that measurement is braked.A kind of steel back structure of low eccentric wear is included in bar shaped and for the steel back of tabular, steel back along its length on both ends be respectively equipped with one it is plug-in pick up the ears, and plug-in length of picking up the ears is one is long and the other is short, meanwhile, steel back side is provided with friction plate, opposite side is provided with piston;The present invention two plug-in is picked up the ears by setting that one is long and the other is short, in friction plate total length and clamp, in the case that the length of the stents such as housing and installation are constant, realize the offset of center of effort's axis of piston, so as to reduce the circumferential eccentric wear of friction plate, at the same time, the corresponding friction plate radius of projection of the position of center line of piston stress on friction plate meets the optimal center of effort's point location formula of friction plate, reduce the radial direction eccentric wear of friction plate, extend the service life of friction plate, avoid the generation for dragging and shaking and the brake oil brought, the performance of general increase braking system.
Description
Technical field
The present invention relates to the technical field of measurement braking, a kind of steel back structure of low eccentric wear is specifically related to.
Background technology
At present, braking system is both provided with vehicle, and braking system is to carry out friction in fact by friction plate and brake disc
Now brake, due to the rotation of brake disc, cause the friction phenomenon of friction plate, therefore, braking eccentric wear problem at present becomes now
Modern vehicle brakes industry focus of attention.
Traditional, the two of the friction plate steel back of friction plate picks up the ears equal sized, causes friction plate in center of effort's axis
On both sides area equation, so as to cause larger radial direction eccentric wear and circumferential eccentric wear, both influenced the service life of friction plate,
It can also bring and drag and shake, be produced from moving noise, influence the performance of braking system.
The content of the invention
For the above-mentioned problems in the prior art, a kind of steel back structure of low eccentric wear is now aimed to provide, to set not
Equity friction plate steel back, by the steel back of friction plate relative to brake disc precession end it is plug-in pick up the ears to shorten, by the steel of friction plate
The back of the body relative to brake disc unscrewing end it is plug-in pick up the ears to increase, make to be installed on center of effort's axis of friction plate in steel back to braking
The precession end offset of disk, so as to achieve the purpose that mobile piston centre axis, effectively reduces friction plate in braking procedure
Circumferential eccentric wear, meanwhile, the location arrangements of friction plate diametrically meet the optimal center of effort's point location formula of friction plate, effectively
Radial direction eccentric wear of the friction plate in braking procedure is reduced, so as to extend the service life of friction plate, and avoids and drags
Generation with shake and the brake oil brought, the general increase performance of braking system.
Concrete technical scheme is as follows:
A kind of steel back structure of low eccentric wear, has the feature that, including:Friction plate and steel back, the plate-like setting of steel back,
Steel back also in bar shaped set, and the both ends in steel back along its length be respectively arranged with two it is plug-in pick up the ears, wherein a plug-in side
The length of ear is longer than another plug-in length picked up the ears, meanwhile, friction plate is installed with the one side of steel back, and in friction plate
Mandrel line is unequal to the two plug-in distances picked up the ears.
A kind of steel back structure of above-mentioned low eccentric wear, wherein, the short one end of the plug-in length picked up the ears is brake disc in steel back
Precession end, one end of the plug-in length length picked up the ears is the unscrewing end of brake disc in steel back.
A kind of steel back structure of above-mentioned low eccentric wear, wherein, the plug-in length picked up the ears and friction plate thickness are in ratio setting,
The length of one end of plug-in length length of picking up the ears is 1.2~1.5 times of friction plate thickness, the length of the short one end of plug-in length of picking up the ears
It is 0.5~0.8 times of friction plate thickness.
A kind of steel back structure of above-mentioned low eccentric wear, wherein, the length of one end of plug-in length length of picking up the ears is friction plate thickness
1.35 times of degree.
A kind of steel back structure of above-mentioned low eccentric wear, wherein, the length of the short one end of plug-in length of picking up the ears is friction plate thickness
0.65 times of degree.
A kind of steel back structure of above-mentioned low eccentric wear, wherein, steel back is provided with piston away from the side of friction plate.
A kind of steel back structure of above-mentioned low eccentric wear, wherein, the projection of the position of center line of piston stress on friction plate
Corresponding friction plate radius r0Meet the optimal center of effort's point location formula of friction plate.
A kind of steel back structure of above-mentioned low eccentric wear, wherein, the end surface shape of friction plate is fan-shaped end face, and friction plate is most
Good center of effort's point location formula is:
In formula, r1For friction plate upper end radius surface, r2For friction plate lower end radius surface, θ is the angle between fan-shaped end face.
The good effect of above-mentioned technical proposal is:In the steel back two plug-in length picked up the ears are set in one is long and the other is short, and
The short side of plug-in length of picking up the ears is arranged to the precession direction of brake disc, is remained unchanged in friction plate total length, and clamp, shell
In the case that the stent sizes such as body are constant, it ensure that the stress neutral conductor of the friction plate being arranged in steel back to plug-in length of picking up the ears
The precession end offset of short side offset, i.e. center of effort's axis of friction plate to brake disc, so as to reach in mobile piston
The purpose of mandrel line, effectively reduces circumferential eccentric wear of the friction plate in braking procedure, meanwhile, the position of friction plate diametrically
Arrangement meets the optimal center of effort's point location formula of friction plate, effectively reduces radial direction eccentric wear of the friction plate in braking procedure,
By the control to radially and circumferentially upper eccentric wear, so as to extend the service life of friction plate, and avoid and drag and shake
Generation and the brake oil that brings, the general increase performance of braking system.
Brief description of the drawings
Fig. 1 is a kind of structure chart of the embodiment of the steel back structure of low eccentric wear of the present invention;
Fig. 2 is total installation diagram of a preferred embodiment of the present invention;
Fig. 3 is comparison diagram before and after the offset of the steel back structure of a preferred embodiment of the present invention;
Fig. 4 is the structure chart for the friction plate that the end surface shape of a preferred embodiment of the present invention is fan-shaped end face.
In attached drawing:1st, steel back;11st, it is plug-in to pick up the ears;2nd, friction plate;3rd, piston;4th, the stent such as clamp, housing;5th, brake disc.
Embodiment
It is real below in order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand
Apply example combination attached drawing 1 to be specifically addressed technical solution provided by the invention to attached drawing 4, but herein below is not as the present invention's
Limit.
Fig. 1 is a kind of structure chart of the embodiment of the steel back structure of low eccentric wear of the present invention;Fig. 2 is preferably real for the present invention one
Apply total installation diagram of example.As depicted in figs. 1 and 2, the steel back structure of low eccentric wear provided in this embodiment includes:It is steel back 1, outer
Extension is picked up the ears the stents 4 such as 11, friction plate 2, piston 3 and clamp, housing.
Specifically, be provided with friction structure on the stents such as clamp, housing 4, friction structure include steel back 1, friction plate 2 with
And piston 3,1 plate-like setting of steel back, steel back 1 include two big sides, steel back 1 is also set in bar shaped, meanwhile, in steel back 1 along its
The both ends of length direction are respectively arranged with the plug-in of stretching and pick up the ears 11, plug-in to pick up the ears 11 to be slidedly arranged on the stents such as clamp, housing 4
On, friction plate 2 is installed with a big side of the wherein side of steel back 1, and be provided with away from the side of friction plate 2 in steel back 1
Piston 3, since friction plate 2 is arranged in pairs, and two friction plates 2 are respectively arranged at the both sides of brake disc 5, realize and are pushed away in piston 3
When dynamic steel back 1 is moved, corresponding friction plate 2 can be moved to the direction closer or far from brake disc 5, so as to fulfill whether behaviour is braked
Make.
Specifically, two plug-in wherein one plug-in 11 length of picking up the ears picked up the ears in 11 in steel back 1 are longer than another plug-in side
The length of ear 11, i.e., two it is plug-in pick up the ears 11 in one is long and the other is short set, wherein, it is plug-in in steel back 1 along the direction of rotation of brake disc 5
The shorter one end of 11 length of picking up the ears is the precession end of brake disc 5, and plug-in longer one end of 11 length of picking up the ears is brake disc in steel back 1
5 unscrewing end, realizes precession end of the center of effort's axis of the friction plate 2 in steel back 1 to brake disc 5 and deviates, so as to cause
The offset of center of effort's axis of piston 3, so as to reduce the circumferential eccentric wear of friction plate 2, extend friction plate 2 uses the longevity
Life, avoid the generation for dragging and shaking and the brake oil brought, the general increase performance of braking system.
Specifically, plug-in 11 length of picking up the ears is in ratio setting with the thickness of friction plate 2, plug-in 11 length of picking up the ears are longer
The length of one end is 1.2~1.5 times of 2 thickness of friction plate, and the plug-in length for picking up the ears the shorter one end of 11 length is that friction plate 2 is thick
0.5~0.8 times of degree.Preferably, the plug-in length for picking up the ears the longer one end of 11 length is 1.35 times of 2 thickness of friction plate, outside
The length for hanging shorter one end of 11 length of picking up the ears is 0.65 times of 2 thickness of friction plate, ensure that the total length and steel back of steel back 1
The total length of friction plate 2 on 1 is constant, so that size and the installation site change of the stents such as clamp, housing 4 will not be caused, it is several
Without influence, it also avoid changing the unexpected security risk that 1 length of steel back is brought.
More specifically, Fig. 3 is comparison diagram before and after the offset of the steel back structure of a preferred embodiment of the present invention.Such as Fig. 3 institutes
State, the precession end offset of center of effort's axis of the friction plate 2 in steel back 1 to brake disc 5 is equal to center of effort's axis of piston 3
The offset of line, and offset meets the following formula:
L=d μ
In formula, l is offset, and d is the thickness of friction plate 2, and μ is brake disc 5 and the friction coefficient of friction plate 2.
More specifically, Fig. 4 is the knot for the friction plate that the end surface shape of a preferred embodiment of the present invention is fan-shaped end face
Composition.As shown in figure 4, the face shape for establishing friction plate is the model of fan-shaped end face, at this time, in the piston 3 of 1 side of steel back
The corresponding 2 radius r of friction plate of projection of the position of center line of stress on friction plate 20Meet the optimal center of effort's point of friction plate 2
Location formula, and the optimal center of effort's point location formula of friction plate 2 is:
In formula, r1For 2 upper end radius surface of friction plate, r2For 2 lower end radius surface of friction plate, θ is the folder between fan-shaped end face
Angle.
The steel back structure of low eccentric wear provided in this embodiment, including in bar shaped and be the steel back 1 of tabular, steel back 1 is grown along it
Both ends on the direction of degree be respectively arranged with one it is plug-in pick up the ears 11, and it is plug-in pick up the ears 11 length for one is long and the other is short, meanwhile, in steel
The side of the back of the body 1 is provided with friction plate 2, and opposite side is provided with piston 3;By set that one is long and the other is short two it is plug-in pick up the ears 11, ensure
In the case where the length of the stent 4 such as 2 total length of friction plate and clamp, housing and installation are constant, realize piston 3 by
The offset of power central axis, so that the circumferential eccentric wear of friction plate 2 is reduced, meanwhile, the position of center line of 3 stress of piston is rubbing
Corresponding 2 radius of friction plate of projection on piece 2 meets the optimal center of effort's point location formula of friction plate 2, so as to reduce friction
The radial direction eccentric wear of piece 2, extends the service life of friction plate 2, avoid the generation for dragging and shaking and the brake oil brought,
The general increase performance of braking system.
It these are only preferred embodiments of the present invention, not thereby limit embodiments of the present invention and protection domain, it is right
For those skilled in the art, it should can appreciate that and all be replaced with being equal made by description of the invention and diagramatic content
Change and obviously change obtained scheme, should be included in protection scope of the present invention.
Claims (8)
- A kind of 1. steel back structure of low eccentric wear, it is characterised in that including:Friction plate and steel back, the plate-like setting of steel back, institute State steel back also in bar shaped set, and the both ends in the steel back along its length be respectively arranged with two it is plug-in pick up the ears, wherein one The plug-in length picked up the ears is longer than another plug-in length picked up the ears, meanwhile, it is installed with the one side of the steel back The friction plate, and the central axis of the friction plate is unequal to the two plug-in distances picked up the ears.
- 2. the steel back structure of low eccentric wear according to claim 1, it is characterised in that described in the steel back plug-in to pick up the ears The short one end of length is the precession end of brake disc, and one end of the plug-in length length picked up the ears is the rotation of brake disc in the steel back Outlet.
- 3. the steel back structure of low eccentric wear according to claim 1, it is characterised in that the plug-in length picked up the ears with it is described Friction plate thickness is in ratio setting, and the length of one end of the plug-in length length of picking up the ears is the 1.2~1.5 of the friction plate thickness Times, the length of the short one end of the plug-in length of picking up the ears is 0.5~0.8 times of the friction plate thickness.
- 4. the steel back structure of low eccentric wear according to claim 3, it is characterised in that one end of the plug-in length length of picking up the ears Length be 1.35 times of the friction plate thickness.
- 5. the steel back structure of low eccentric wear according to claim 3, it is characterised in that the short one end of the plug-in length of picking up the ears Length be 0.65 times of the friction plate thickness.
- 6. the steel back structure of low eccentric wear according to claim 1, it is characterised in that the steel back is away from the friction plate Side is provided with piston.
- 7. the steel back structure of low eccentric wear according to claim 6, it is characterised in that the position of center line of the piston stress The corresponding friction plate radius r of projection on the friction plate0Meet the optimal center of effort's point location formula of friction plate.
- 8. the steel back structure of low eccentric wear according to claim 7, it is characterised in that the end surface shape of the friction plate is fan The end face of shape, the optimal center of effort's point location formula of friction plate are:<mrow> <msub> <mi>r</mi> <mn>0</mn> </msub> <mo>=</mo> <mfrac> <mn>4</mn> <mrow> <mn>3</mn> <mi>&theta;</mi> </mrow> </mfrac> <mo>&CenterDot;</mo> <mfrac> <mrow> <msubsup> <mi>r</mi> <mn>1</mn> <mn>2</mn> </msubsup> <mo>+</mo> <msub> <mi>r</mi> <mn>1</mn> </msub> <msub> <mi>r</mi> <mn>2</mn> </msub> <mo>+</mo> <msup> <msub> <mi>r</mi> <mn>2</mn> </msub> <mn>2</mn> </msup> </mrow> <mrow> <msub> <mi>r</mi> <mn>1</mn> </msub> <mo>+</mo> <msub> <mi>r</mi> <mn>2</mn> </msub> </mrow> </mfrac> <mo>&CenterDot;</mo> <mi>s</mi> <mi>i</mi> <mi>n</mi> <mfrac> <mi>&theta;</mi> <mn>2</mn> </mfrac> </mrow>In formula, r1For friction plate upper end radius surface, r2For friction plate lower end radius surface, θ is the angle between fan-shaped end face.
Priority Applications (1)
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CN201711242842.8A CN107956821A (en) | 2017-11-30 | 2017-11-30 | A kind of steel back structure of low eccentric wear |
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CN201711242842.8A CN107956821A (en) | 2017-11-30 | 2017-11-30 | A kind of steel back structure of low eccentric wear |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023144453A1 (en) | 2022-01-31 | 2023-08-03 | Beringer Aero | Eccentric brake pad |
Citations (5)
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---|---|---|---|---|
JP2000110859A (en) * | 1998-10-02 | 2000-04-18 | Akebono Brake Ind Co Ltd | Disc brake |
CN101493127A (en) * | 2008-10-31 | 2009-07-29 | 贵州新安航空机械有限责任公司 | Copper-based powder metallurgy high speed brake lining |
CN103797264A (en) * | 2011-09-14 | 2014-05-14 | 克诺尔商用车制动系统有限公司 | Disc brake for a motor vehicle and brake lining |
CN104583633A (en) * | 2012-08-17 | 2015-04-29 | 本迪克斯斯派塞基础制动有限责任公司 | Disc brake pad mounting and retention system and method |
CN207514119U (en) * | 2017-11-30 | 2018-06-19 | 万向钱潮(上海)汽车系统有限公司 | A kind of steel back structure of low eccentric wear |
-
2017
- 2017-11-30 CN CN201711242842.8A patent/CN107956821A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000110859A (en) * | 1998-10-02 | 2000-04-18 | Akebono Brake Ind Co Ltd | Disc brake |
CN101493127A (en) * | 2008-10-31 | 2009-07-29 | 贵州新安航空机械有限责任公司 | Copper-based powder metallurgy high speed brake lining |
CN103797264A (en) * | 2011-09-14 | 2014-05-14 | 克诺尔商用车制动系统有限公司 | Disc brake for a motor vehicle and brake lining |
US20140196992A1 (en) * | 2011-09-14 | 2014-07-17 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Disc Brake for a Motor Vehicle and Brake Lining |
CN104583633A (en) * | 2012-08-17 | 2015-04-29 | 本迪克斯斯派塞基础制动有限责任公司 | Disc brake pad mounting and retention system and method |
CN207514119U (en) * | 2017-11-30 | 2018-06-19 | 万向钱潮(上海)汽车系统有限公司 | A kind of steel back structure of low eccentric wear |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023144453A1 (en) | 2022-01-31 | 2023-08-03 | Beringer Aero | Eccentric brake pad |
FR3132338A1 (en) * | 2022-01-31 | 2023-08-04 | Beringer Aero | Eccentric brake pad |
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Application publication date: 20180424 |