CN106763353B - A kind of duct-ventilated air-cooled automobile-used brake disc of tool - Google Patents
A kind of duct-ventilated air-cooled automobile-used brake disc of tool Download PDFInfo
- Publication number
- CN106763353B CN106763353B CN201710072480.6A CN201710072480A CN106763353B CN 106763353 B CN106763353 B CN 106763353B CN 201710072480 A CN201710072480 A CN 201710072480A CN 106763353 B CN106763353 B CN 106763353B
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- China
- Prior art keywords
- column
- brake disc
- duct
- hole
- length
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 8
- 229910001060 Gray iron Inorganic materials 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010792 warming Methods 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
- F16D65/78—Features relating to cooling
- F16D65/84—Features relating to cooling for disc brakes
- F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides a kind of duct-ventilated air-cooled automobile-used brake discs of tool, including ventilating duct, and the ventilating duct is between inside brake disk and outer brake disc；Several uniformly distributed column units are equipped in the ventilating duct；The column unit includes several columns, and several described column one end are connected with inside brake disk and outer disc outer diameter；The column is in drops, and the column unit includes the first column, the second column and third column；First column and the second column are in half drops；The third column is in holohedral symmetry drops；The present invention can accelerate the flowing of fluid in disk, heat dissipation is excellent, the presence of drops column stabilizes the heat flow field between brake disc, stable hot-fluid is formd with the external world, be highly advantageous to the exchange of heat, so that brake disc temperature is reduced to zone of reasonableness in a relatively short period of time, ensure the brake efficiency of brake.
Description
Technical field
The present invention relates to the brake disc field of automobile, driving or transit equipment, more particularly to a kind of tool is duct-ventilated
Air-cooled automobile-used brake disc.
Background technology
Oil shortage, global warming, global motor corporation have made a large amount of make great efforts to improve vehicle fuel warp
Ji property.Specifically, existing automotive light weight technology technology receives significant attention, which can be greatly reduced fuel consumption without shadow
Ring performance.
Specifically, it reduces vehicle chassis quality bonus and directly affects whole vehicle performance, and then influence VE Vehicle Economy.
In the case, the reduction of vehicle body unsprung mass is directly related with wheel driving load, can effectively improve vehicle fuel economy
Property, thus this relevant technologies just starts fast development.
In these effective technologies, ZL200710187690.6 manufactures brake inlay and other aluminium by aluminium alloy
Manufacture brake disc etc. is mixed with gray cast iron so that brake quality is lighter, and braking ability is more superior, and heat resistance, wearability have
It improves, wherein US7100748B2 improves radiating efficiency again by the structure of optimization ventilating duct, and drops described herein is logical
Air duct radiation efficiency is more superior.
Brake disc is made of gray cast iron, with sheet stone mill structure, and the material show vibration damping, damping, heat radiation,
The excellent braking characteristics such as lubrication.
Gray cast iron heavier mass, density are about 7.2g/cm3.Therefore, gray cast iron is the emphasis of automotive light weight technology research, is led to
It is to improve the effective means of automobile fuel ecomomy to cross various technologies to mitigate its weight or find its alternative materials.
Thus, in order to overcome, existing braking system radiating efficiency is low, heat fading phenomenon is serious, brake squeal noise and service life
The problems such as short, a kind of more lightweight is invented herein, performance still superior brake disc alleviates this and asks to a certain extent
Topic.
Invention content
In response to the deficiencies in the existing technology, having duct-ventilated air-cooled automobile-used brake disc the present invention provides a kind of,
It can accelerate the flowing of fluid in disk, heat dissipation is excellent；The presence of drops column stabilizes the hot-fluid between brake disc
, stable hot-fluid is formd with the external world, the exchange for the heat that is highly advantageous to, so that brake disc temperature is when shorter
It is interior to be reduced to zone of reasonableness, ensure the brake efficiency of brake.
The present invention achieves the above technical objects by the following technical means.
A kind of duct-ventilated air-cooled automobile-used brake disc of tool, including ventilating duct, the ventilating duct be located inside brake disk and
Between outer brake disc；Several uniformly distributed column units are equipped in the ventilating duct；The column unit includes several columns, if
Described column one end is done with the outer diameter of inside brake disk and outer brake disc to be connected；The column is in drops.
Further, the column unit described in several is uniformly distributed as center of circle circumferencial direction using brake disc, uniformly distributed angle α 25 °~
Between 35 °.
Further, the column unit includes the first column, the second column and third column；First column and second
Column is in half drops；The third column is in holohedral symmetry drops；The length of the first column radial direction is L1, described
The length of second column radial direction is L2, and the length of the third column radial direction is L3, and length relation is：L1>L2>
L3。
Further, the length L1 of the first column radial direction be outer brake disc inner radii and outer radii it
Difference；The length L2 of the second column radial direction and the length L1 relationships of the first column radial direction are：L2/L1=2/3~
3/4；The length L3 of the third column radial direction and the length L1 relationships of the first column radial direction are：L3/L1=1/3~
1/2。
Further, the angle beta of half drops wedge angle of first column and the second column is identical, and β=(0.4~0.6)
α；The angle of the full drops wedge angle of third column is 2 β.
Further, the inside brake disk is equipped with several sets of vias, the sets of vias and the ventilating duct with outer brake disc
Run through.
Further, the sets of vias is uniformly distributed by center of circle circumferencial direction of brake disc, and uniformly distributed angle α is between 25 °~35 °.
Further, the sets of vias includes first through hole unit and the second through-hole unit；The first through hole unit is located at
Between the first column and the second column of the column unit, arranged in "-" type；The second through-hole unit is located at described vertical
Between the third column and the second column of pole unit, arranged in Y-shaped, and the line of symmetry weight of Y-shaped line of symmetry and third column
It closes.
Further, the first through hole unit includes several through-holes, and the number of openings is preferably 3-4, through-hole spacing
Take 10~15mm；The second through-hole unit includes several through-holes, and the number of openings is preferably 6, and through-hole spacing takes 15~
20mm。
Further, the through-hole diameter size is 4-8mm.
The beneficial effects of the present invention are：
1. the duct-ventilated air-cooled automobile-used brake disc of tool of the present invention, it may be possible to accelerate the flowing of fluid in disk,
Heat dissipation is excellent.
2. the duct-ventilated air-cooled automobile-used brake disc of tool of the present invention, the presence of drops column stabilize brake disc
Heat flow field between piece forms stable hot-fluid, the exchange for the heat that is highly advantageous to, so that brake disc temperature with the external world
Degree is reduced to zone of reasonableness in a relatively short period of time, ensures the brake efficiency of brake.
3. the duct-ventilated air-cooled automobile-used brake disc of tool of the present invention, not only has effects that heat dissipation, through-hole are deposited
In the thermal expansion amount for greatly alleviating brake disc, so that brake oil is controlled to a certain extent.
Description of the drawings
Fig. 1 is the duct-ventilated air-cooled automobile-used brake disc stereogram of tool of the present invention.
Fig. 2 is the duct-ventilated air-cooled automobile-used brake disc front view of tool of the present invention.
Fig. 3 is the duct-ventilated air-cooled automobile-used brake disc vertical view of tool of the present invention.
Fig. 4 is drops column sectional view of the present invention.
Fig. 5 is the distribution map of column of the present invention and through-hole.
In figure：
The first columns of 1-；The second columns of 2-；3- third columns；4- through-holes.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
It is without being limited thereto.
Shown in Fig. 1, Fig. 2 and Fig. 3, a kind of duct-ventilated air-cooled automobile-used brake disc of tool, including ventilating duct, the ventilation
Road is between inside brake disk and outer brake disc；Several uniformly distributed column units are equipped in the ventilating duct；The column list
Member includes several columns, and several described column one end are connected with the outer diameter of inside brake disk and outer brake disc；The column is in water
Drop-wise.Drops designs the flowing that can accelerate fluid in disk, and heat dissipation is excellent.Column unit described in several is to brake
Disk is uniformly distributed for center of circle circumferencial direction, and uniformly distributed angle α is best between 25 °~35 °.
The column unit includes the first column 1, the second column 2 and third column 3；First column 1 and second is vertical
Column 2 is in half drops；The third column 3 is in holohedral symmetry drops；The length of first column, 1 radial direction is L1, institute
The length for stating 2 radial direction of the second column is L2, and the length of 3 radial direction of third column is L3, and length relation is：L1>
L2>L3.The presence of three kinds of drops columns stabilizes the heat flow field between brake disc, and stable hot-fluid is formd with the external world,
Be highly advantageous to the exchange of heat, so that brake disc temperature is reduced to zone of reasonableness in a relatively short period of time, ensures system
The brake efficiency of dynamic device.
As shown in Figure 2 and Figure 4, in order to reach better effect, through fluid analysis, 1 radial direction of the first column
Length L1 is the difference of outer brake disc inner radii and outer radii；The length L2 and first of second column, 2 radial direction
The length L1 relationships of 1 radial direction of column are：L2/L1=2/3~3/4；The length L3 of 3 radial direction of third column and
The length L1 relationships of one column, 1 radial direction are：L3/L1=1/3~1/2.First column, 1 and second column, 2 half water droplet
The angle beta of shape wedge angle is identical, and β=(0.4~0.6) α；The angle of 3 full drops wedge angle of the third column is 2 β.
As shown in figure 5, the inside brake disk is equipped with several sets of vias, the sets of vias and the ventilation with outer brake disc
Road runs through.The presence of several sets of vias greatly alleviates the thermal expansion amount of brake disc, so that brake oil is to a certain degree
On controlled.In addition the presence of sets of vias enables to the metal fragment of processing to be cleared up in time, reduces since metal is broken
Consider the frictional dissipation generated to be worth doing.The sets of vias is uniformly distributed as center of circle circumferencial direction using brake disc, uniformly distributed angle size with described in several
Column unit uniformly distributed angle it is consistent, i.e. α is between 25 °~35 °.
After optimized, the sets of vias includes first through hole unit and the second through-hole unit；First through hole unit position
Between the first column 1 and the second column 2 of the column unit, arranged in "-" type；The second through-hole unit is located at institute
It states between the third column 3 of column unit and the second column 2, is arranged in Y-shaped, and pair of Y-shaped line of symmetry and third column 3
Line is claimed to overlap.It the effect of Y types and the design of "-" type hole unit not only possess heat dissipation, can also be in brake temperature-rise period
In, alleviate brake disc end face run-out caused by thermally expanding, to reduce the brake oil of generation.
The first through hole unit includes several through-holes 4, and 4 quantity of the through-hole is preferably 3-4, and 4 spacing of through-hole takes 10
~15mm；The second through-hole unit includes several through-holes 4, and 4 quantity of the through-hole is preferably 6, and 4 spacing of through-hole takes 15~
20mm.4 diameter of the through-hole is 4-8mm.
The embodiment is the preferred embodiments of the present invention, but present invention is not limited to the embodiments described above, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification all belongs to the scope of protection of the present invention.
Claims (9)
1. a kind of duct-ventilated air-cooled automobile-used brake disc of tool, which is characterized in that including ventilating duct, the ventilating duct is located at interior
Between brake disc and outer brake disc；Several uniformly distributed column units are equipped in the ventilating duct；If the column unit includes
Dry column, several described column one end are connected with the outer diameter of inside brake disk and outer brake disc；The column is in drops；It is described
Column unit includes the first column (1), the second column (2) and third column (3)；First column (1) and the second column (2)
In half drops；The third column (3) is in holohedral symmetry drops, and the length of the first column (1) radial direction is L1, institute
The length for stating the second column (2) radial direction is L2, and the length of third column (3) radial direction is L3, and length relation is：
L1>L2>L3。
2. the duct-ventilated air-cooled automobile-used brake disc of tool according to claim 1, which is characterized in that described in several
Column unit is uniformly distributed by center of circle circumferencial direction of brake disc, and uniformly distributed angle α is between 25 °~35 °.
3. the duct-ventilated air-cooled automobile-used brake disc of tool according to claim 1, which is characterized in that first column
(1) the length L1 of radial direction is the difference of outer brake disc inner radii and outer radii；Second column (2) radial direction
Length L2 and the length L1 relationships of the first column (1) radial direction be：L2/L1=2/3~3/4；Third column (3) diameter
It is to the length L3 and the length L1 relationships of the first column (1) radial direction in direction：L3/L1=1/3~1/2.
4. the duct-ventilated air-cooled automobile-used brake disc of tool according to claim 1, which is characterized in that first column
(1) identical with the angle beta of (2) half drops wedge angle of the second column, and β=(0.4~0.6) α；The full water of the third column (3)
The angle of drop-wise wedge angle is 2 β.
5. having duct-ventilated air-cooled automobile-used brake disc according to claim 1-4 any one of them, which is characterized in that described
Inside brake disk is equipped with several sets of vias with outer brake disc, and the sets of vias runs through with the ventilating duct.
6. the duct-ventilated air-cooled automobile-used brake disc of tool according to claim 5, which is characterized in that the sets of vias with
Brake disc is uniformly distributed for center of circle circumferencial direction, and uniformly distributed angle α is between 25 °~35 °.
7. the duct-ventilated air-cooled automobile-used brake disc of tool according to claim 6, which is characterized in that the sets of vias packet
Include first through hole unit and the second through-hole unit；The first through hole unit be located at the column unit the first column (1) and
Between second column (2), arranged in "-" type；The second through-hole unit be located at the column unit third column (3) and
Between second column (2), arranged in Y-shaped, and Y-shaped line of symmetry is overlapped with the line of symmetry of third column (3).
8. the duct-ventilated air-cooled automobile-used brake disc of tool according to claim 7, which is characterized in that the first through hole
Unit includes several through-holes (4), and through-hole (4) quantity is 3-4, and through-hole (4) spacing takes 10~15mm；Second through-hole
Unit includes several through-holes (4), and through-hole (4) quantity is 6, and through-hole (4) spacing takes 15~20mm.
9. the duct-ventilated air-cooled automobile-used brake disc of tool according to claim 8, which is characterized in that the through-hole (4)
Diameter is 4-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072480.6A CN106763353B (en) | 2017-02-10 | 2017-02-10 | A kind of duct-ventilated air-cooled automobile-used brake disc of tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072480.6A CN106763353B (en) | 2017-02-10 | 2017-02-10 | A kind of duct-ventilated air-cooled automobile-used brake disc of tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106763353A CN106763353A (en) | 2017-05-31 |
| CN106763353B true CN106763353B (en) | 2018-08-21 |
Family
ID=58955705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710072480.6A Expired - Fee Related CN106763353B (en) | 2017-02-10 | 2017-02-10 | A kind of duct-ventilated air-cooled automobile-used brake disc of tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763353B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3112755B1 (en) * | 2020-07-21 | 2022-07-29 | Safran Landing Systems | Heat shield assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4445226A1 (en) * | 1994-12-17 | 1996-06-20 | Porsche Ag | Brake discs for disc brakes |
| JP4298099B2 (en) * | 1999-12-07 | 2009-07-15 | 曙ブレーキ工業株式会社 | Ventilated disc |
| KR100674124B1 (en) * | 2005-12-16 | 2007-01-29 | 현대모비스 주식회사 | Brake disk |
| DE102007048442A1 (en) * | 2007-10-10 | 2009-04-16 | Audi Ag | Internally ventilated brake disc for disc brakes |
| CN201420820Y (en) * | 2009-06-04 | 2010-03-10 | 浙江亚太机电股份有限公司 | Ventilating brake disk |
| CN201621211U (en) * | 2009-12-25 | 2010-11-03 | 比亚迪股份有限公司 | Brake disc |
-
2017
- 2017-02-10 CN CN201710072480.6A patent/CN106763353B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106763353A (en) | 2017-05-31 |
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Granted publication date: 20180821 |