CN106090080A - Inner ventilation brake disc - Google Patents

Inner ventilation brake disc Download PDF

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Publication number
CN106090080A
CN106090080A CN201610423781.4A CN201610423781A CN106090080A CN 106090080 A CN106090080 A CN 106090080A CN 201610423781 A CN201610423781 A CN 201610423781A CN 106090080 A CN106090080 A CN 106090080A
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CN
China
Prior art keywords
brake disc
support column
support
colonnade
ventilating duct
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Granted
Application number
CN201610423781.4A
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Chinese (zh)
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CN106090080B (en
Inventor
杨鹏翱
施正堂
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Zhejiang Asia Pacific Mechanical and Electronic Co Ltd
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Zhejiang Asia Pacific Mechanical and Electronic Co Ltd
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Priority to CN201610423781.4A priority Critical patent/CN106090080B/en
Publication of CN106090080A publication Critical patent/CN106090080A/en
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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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for 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
    • F16D65/78—Features relating to cooling
    • F16D65/84—Features relating to cooling for disc brakes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a kind of inner ventilation brake disc.Including two ring-type frictional disks and a series of support column for connecting two ring-type frictional disks, a series of support columns are divided into multiple support column group along brake disc circumference, each support column group comprises multiple along brake disc circumferentially spaced support colonnade, between adjacent supports colonnade, be provided with row ventilating duct；Each support colonnade comprises multiple support column radially arranged, and is provided with post ventilating duct between adjacent supports post；In each support column group, in the support colonnade that length is the longest, the support column near disc centres is provided with fastening bolt holes；Support column limit is arc-shaped edges, and angle is fillet.Brake disc of the present invention has and is interconnected and the ventilating duct of high-specific surface area, it is ensured that reduce the quality of brake disc while efficient heat-sinking capability.

Description

Inner ventilation brake disc
Technical field
The present invention relates to the brake disc of a kind of vehicle, particularly relate to a kind of inner ventilation brake disc.
Background technology
According to the known ventilated brake disc of ZL200820092626.X and US7100748B2.They have two concentric annular Dish, is connected by reinforcement each other, and reinforcement and two concentric annular dishes define the path of brake disc ventilating duct, during braking Cooling air sucks from brake disc inner face and flows to brake disc outer face along ventilating duct, and takes away the heat that frictional damping produces, Reduce brake disc temperature, it is to avoid brake disc is overheated causes braking ability to decline.In ZL200820092626.X patent reinforcement from Brake disc inner face extends to brake disc outer face with curve form, and reinforcement length is circumferentially placed equidistant, the ventilation of formation Road is uniformly distributed circumferentially and does not connects mutually.The combination of the bending reinforcement that US7100748B2 patent have employed different length sets Meter, optimizes the structure of ventilating duct, improves radiating efficiency.
The braking ability stable in order to ensure brake, optimizes air duct structure, it is achieved efficient heat transfer is crucial.So And, separate between this type of ventilating duct, cooling air can only flow along certain single ventilation road, the cooling between adjacent ventilating duct Air can not intercommunication, it is difficult to form larger flow and the turbulent flow of beneficially heat exchange, and cooling air stops in ventilating duct Time shorter, cause heat exchanger effectiveness on the low side；Secondly, the specific surface area of the ventilating duct that above-mentioned continuous reinforcement is constituted is less, Can be on the low side with the amount of ventilating duct contact internal walls the cooling air carrying out heat exchange in making the unit interval.Additionally, above-mentioned continuously Though reinforcing rib design can guarantee that the bonding strength that brake disc is enough, but such design the most well balances bonding strength and braking , there is the phenomenon that intensity is superfluous to a certain extent, it is meant that unnecessary reinforcement adds the matter of brake disc in the relation of dish quality Amount.Therefore, there is bottleneck in radiating efficiency and the light-weighted improvement of the inner ventilation brake disc of existing continuous reinforcing rib design.
Summary of the invention
Therefore to solution background technology has problems, it is an object of the invention to design and provide a kind of inner ventilation Brake disc, has and is interconnected and the ventilating duct of high-specific surface area, it is ensured that reduce brake disc while efficient heat-sinking capability Quality.
Patent of the present invention the technical scheme is that
Described inner ventilation brake disc has annular geometry, including two ring-type frictional disks and a series of for connecting The support column of two ring-type frictional disks, disc centres and ring-type frictional disk center superposition, define system by described support column The path in Moving plate inner ventilation road.
Described a series of support column arranges i support column group of formation along the circumference packet of brake disc, and each support column group has There is i the rotational symmetry around brake disc central axis I-I, each support column group comprises x and sets along brake disc is circumferentially-spaced The support colonnade put, is provided with row ventilating duct between adjacent supports colonnade；Each support colonnade comprises y along ring-type frictional disk footpath The spaced support column to direction, is provided with post ventilating duct, is provided with y-1 altogether in each support colonnade between adjacent supports post Individual post ventilating duct；In each support column group, each supports colonnade length and can differ, close in the support colonnade that length is the longest The support column of disc centres is provided with fastening bolt holes；The limit of described support column is arc-shaped edges, and angle is fillet.
Preferably, described i support column group is along the circumferentially equidistant distribution of ring-type frictional disk, and between adjacent supports post group In spacing and support column group, adjacent two spacing supported between colonnade are identical.
Support column group: the packet of a series of support columns is arranged i support column group of formation, jth group support column group G by the present inventionj Having i the rotational symmetry around brake disc central axis I-I, i represents the sum of support column group, and j represents the sequence of support column group Number.Jth group support column group GjComprising x the support colonnade in the circumferentially-spaced setting of brake disc, x represents the total of support colonnade Number.
Support colonnade: jth group support column group GjKth support colonnade CjkThere is path Ljk, k represents the sequence supporting colonnade Number, adjacent two support colonnade CjkBetween formed row ventilating duct.Jth group support column group GjKth support colonnade CjkComprise y Support column.Such as in accompanying drawing 3, support column F111With support column F112Formed and support colonnade C11, and as the longest support colonnade, its Support column F near disc centres112It is provided with for fastening bolt holes, remaining the longest non-support colonnade CjkThere is bending half Footpath Rjk。
Support column: kth supports colonnade CjkIn, y support column supports colonnade C along kthjkPath, place LjkInterval sets Put.In same support colonnade, being provided with y-1 post ventilating duct between support column altogether, y represents the sum of support column, and n represents support The ordinal number of post.Kth supports colonnade CjkIn, the n-th support column FjknAnd with being provided with the between the adjacent supports post supported under colonnade N post ventilating duct Vjkn。
Wherein i, j, k, n, x, y are natural number.Specifically, i is even number, and at least 8, j is nature array 1 ..., the element in i}；X is the natural number of no more than 6, k be nature array 1 ..., the element in x}；Y is no more than The natural number of 5, n be nature array 1 ..., the element in y}.
In described brake disc, all support columns being positioned at support colonnade most peripheral are placed equidistant along brake disc periphery, all Support column with fastening bolt holes is placed equidistant along brake disc inner circumferential.
In described each support column group, remaining in addition to the support colonnade that length is the longest supports colonnade all towards same side To bending, the concave side of bending is towards the front of brake disc direction of rotation；And in remaining each support colonnade, each support column width It is gradually reduced to inner circumferential along this path, support column place from periphery.
Such as shown in Fig. 3, jth group support column group GjIn, except support colonnade C that length is the longestj1, remaining kth is propped up In dagger row, the width of each support column is along this support column CjkPath LjkFrom brake disc, circumference brake disc inner circumferential gradually subtracts Little.
The end points of close periphery arrives line between the two ends in remaining path, each support colonnade place described with two ends The angle that line between disc centres is formed is between 5 degree to 20 degree.
Such as shown in Fig. 3, kth supports colonnade CjkPath, place LjkLine between two ends is the most close with two ends The angle, θ that the end points of periphery is formed to the line between disc centresjkBetween 5 degree to 20 degree.
Remaining path, each support colonnade place described is circular curve, and the radius of circular curve is 0.8 times～1.2 times Brake disc exradius R.Such as shown in Fig. 2, kth supports colonnade CjkPath, place LjkRadius of curvature RjkBe 0.8 times～ The brake disc exradius R of 1.2 times.
It is provided with gap between adjacent described support colonnade as row ventilating duct, gap is set between described support column as post Ventilating duct, the two ends of post ventilating duct row ventilating duct with these adjacent both sides of support colonnade respectively communicates；In same support column group, institute Post ventilating duct is had to arrange with the different radial distances from disc centres, each post between support column in the most same support colonnade Ventilating duct is different from the radial distance of disc centres.Such as shown in Fig. 3, jth group support column group GjKth support colonnade CjkUnder the n-th post ventilating duct VjknTo the radial distance R from disc centres axisjknWith remaining post ventilating duct to from brake disc The radial distance of central axis is different.
Path, described post ventilating duct place is obliquely installed relative to the direction of rotation of this path point midway brake disc, and it inclines Rake angle is between 20 degree to 40 degree.Such as shown in Fig. 4, jth group support column group GjKth support colonnade CjkUnder N post ventilating duct VjknPath, place LjknRelative to the inclination of the direction of rotation of this ventilating duct present position, its tilt angle thetajkn Between 20 degree to 40 degree.
In described post ventilating duct, the open-ended radial distance to disc centres being located along direction of rotation front is less than It is located along the open-ended radial distance to disc centres at direction of rotation rear.Such as shown in Fig. 4, jth group is propped up Dagger group GjKth support colonnade CjkUnder the n-th post ventilating duct Vjkn, be located along direction of rotation front open-ended in Point arrives the radial distance P of disc centresijkaLess than being located along the open-ended midpoint at direction of rotation rear to disc centres Radial distance Pijkb。
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is designed by the support column optimized, before ensureing bonding strength enough between two parallel frictional disks Put, decrease volume and the quality of supporting construction between two parallel frictional disks, increase the body of ventilating duct in brake disc Long-pending and the specific surface area of ventilating duct inner surface so that with ventilating duct contact internal walls the cooling that carries out heat exchange in the unit interval The amount of air increases, thus improves the heat exchanger effectiveness of unit interval inside brake dish and cooling air.
The vent passages being interconnected limited by a series of support columns so that cooling air can different ventilating ducts it Between free flow exchange, extend cooling air circulation path in ventilating duct so that unit volume cooling air ventilate Passage absorbs more heat.
Accompanying drawing explanation
In order to be illustrated more clearly that technical solution of the present invention, the accompanying drawing used required in embodiment will be done simply below Ground is introduced.Accompanying drawing illustrates:
Fig. 1 is the equidistant three-dimensional view of the present invention same inner ventilation brake disc, and the annular wherein connected by support column is rubbed / 4th of a frictional disk in wiping dish are removed.
Fig. 2 is the plan view of the inner ventilation brake disc of the present invention.
Fig. 3 is the partial section that Fig. 2 dotted line confines II.
Fig. 4 is G in Fig. 31The sectional view of part.
In figure: 1, ring-type frictional disk, 2, support column.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the present invention is described in further detail by specific embodiment.
As shown in figures 1-4, the inner ventilation brake disc that the present invention is embodied as includes two parallel ring-type frictional disks, Two ring-type frictional disk coaxial being fixed together by a series of support columns.The limit of support column is arc-shaped edges, supports The angle of post is fillet.Support column along brake disc circumference uniform regular setting,
Shown in Fig. 2, support column packet arranges formation 10 support column groups Gj, each support column group GjHave around disc centres 10 rotational symmetries of axis I-I, i.e. brake disc rotate 36 degree around central axis can be the heaviest with the brake disc before not rotating Close.Each support column group GjIn, comprise 4 support colonnade C in the circumferentially-spaced setting of brake discjk, adjacent two support columns Row CjkBetween formed a row ventilating duct, each support colonnade CjkIn comprise 2 support column Fjkn, above-mentioned 2 support column FjknPress According to path LjkIt is arranged in order from the inner periphery of the cylindrical circumference brake disc of brake disc.It is provided with post between adjacent two support columns to lead to Air channel Vjkn, wherein one-level label j (j in the range of 1 to 10) represents described support column group or supports the sequence of the corresponding group of colonnade Number, demarcate counterclockwise along brake disc circumference；Two grades of label k (here k in the range of 1 to 4) represent the sequence number of described support colonnade, Be initial near brake disc periphery, be the most inwardly incremented by, in three grades of label n (here n in the range of 1 to 2) representative support colonnade The sequence number of each support column, near brake disc periphery is initial, is the most inwardly incremented by.
As in figure 2 it is shown, support colonnade Cj1In, support colonnade C that length is the longest11Extend to brake disc inner periphery Near the support column F of brake disc inner circumferential in border, and this support colonnade112Comprise fastening bolt holes.The support that above-mentioned length is the longest Colonnade C11It is set as support column group G1Initial row, from these initial row and comprise these initial row to next length long support Colonnade C21All support colonnade before constitute support column group G1。
As in figure 2 it is shown, support colonnade CjkIn near the support column F of brake disc peripheryjk1It is placed equidistant along brake disc periphery, The most all support colonnade CjkIn uniform in brake disc circumference near the support column of brake disc periphery, 40 support columns altogether, often One supports colonnade CjkAll extend to brake disc inner circumferential on the basis of this support column.Support colonnade C that length is the longestj1In, comprise tight The support column F in fixing bolt holej12It is placed equidistant along brake disc inner circumferential, the above-mentioned support column F comprising fastening bolt holesj12Quantity is 10, other support column F in brake disc by two above term restrictionjknPosition distribution.
As in figure 2 it is shown, support column group G1In, except support colonnade C that length is the longest11, remaining respectively supports colonnade C1kAll courts Same direction bends, and its concave side, towards the front of brake disc direction of rotation, supports colonnade C1kInterior each support column F1knWidth Along path L1kFrom brake disc, circumference brake disc inner circumferential is continuously reduced, and i.e. supports colonnade C1kWidth along path L1kFrom brake disc Outer circumference brake disc inner circumferential is continuously reduced, and above-mentioned refers to same support colonnade C continuously1kIn, each support column F1knSame The limit of side falls on same camber line, is consequently formed support colonnade C mentioned above1kThe characteristic that is gradually reduced of width, by this Plant the wide support colonnade design in the narrow periphery of inner circumferential and can improve the row ventilating duct air inflow at brake disc inner circumferential cooling air.
As it is shown in figure 1, support colonnade C13Corresponding path L13Two ends line with near the end points of periphery to central shaft The angle, θ that the line of line is surrounded13Between 5 degree to 20 degree, as shown in Figure 3.Above-mentioned support colonnade C13Corresponding path L13 Radius R13Being limited between 0.8 times of brake disc exradius R and 1.2 times of brake disc exradius R, this design can improve The ride comfort that cooling air flows in ventilating duct and the blast improved at ventilating duct air outlet.
As it is shown on figure 3, support column group G1In, each supports colonnade C1kIn post ventilating duct V1k1Radial distribution, by Fig. 3 Support column group G illustrated1Upper different Circular test R shown in broken lines111, R121, R131, R141, they have from disc centres The radial distance that axis is different.Can be seen that, support column group G1In post ventilating duct V111, V121, V131, V141Have from central axis Different radial distances.
Support colonnade C12In post ventilating duct V121, as shown in Figure 4, both ends open respectively with this support colonnade C13Adjacent two The row ventilating duct of side is connected, post ventilating duct V131Path L131Brake disc direction of rotation relative to this present position, midpoint, path Tilt, post ventilating duct V121It is positioned at opening distance P to central axis in direction of rotation front131aAfter being positioned at direction of rotation The opening of side is to distance P of central axis131b, wherein a represents direction of rotation front, and b represents direction of rotation rear, thus limits Post ventilating duct V131Incline direction, the size at angle of inclination determine cooling air can smoothly along post ventilating duct circulate, excellent The tilt angle theta of choosing131Between 20 degree to 40 degree.Other post ventilating duct V in brake discjknHave identical incline direction and Angle.Such as the circulating direction of cooling air the most indicated by an arrow in Fig. 3, the post ventilating duct of inclination makes to cool down air can To circulate along row ventilating duct and post ventilating duct simultaneously, the cooling air between different lines ventilating duct can fully cross mixing, leads to Toning permutation ventilating duct and the air mass flow of post ventilating duct thus obtain optimal cooling effect.
By the way of explanation, only describe some one exemplary embodiment of the present invention above, wanting without departing from following right In the case of asking in limited protection scope of the present invention, those skilled in the art can modify, adjust.Cause This, above-mentioned accompanying drawing and description are the most illustrative, should not be construed as the restriction to the claims in the present invention protection domain.

Claims (10)

1. an inner ventilation brake disc, described inner ventilation brake disc has annular geometry, including two ring-type frictions Dish (1), it is characterised in that: the ring-type frictional disk of said two (1) is connected by a series of support columns (2), by described a series of Support column defines the path in brake disc inner ventilation road.
A kind of inner ventilation brake disc the most according to claim 1, it is characterised in that: described a series of support columns (2) edge The packet of brake disc circumference arranges i support column group of formation, comprises x individual circumferentially spaced along brake disc in each support column group Support colonnade, between adjacent supports colonnade, be provided with row ventilating duct；Each support colonnade comprises y along ring-type frictional disk radial direction side To being provided with post ventilating duct between spaced support column, adjacent supports post；In each support column group, the support that length is the longest In colonnade, the support column near disc centres is provided with fastening bolt holes；The limit of described support column is arc-shaped edges, and angle is fillet.
A kind of inner ventilation brake disc the most according to claim 2, it is characterised in that: described i is even number, and described x is not Natural number more than 6, described y is no more than the natural number of 5.
A kind of inner ventilation brake disc the most according to claim 2, it is characterised in that: on described ring-type frictional disk, all Support in colonnade the support column of neighbouring brake disc periphery along the circumferentially equidistant setting in brake disc periphery, all with fastening bolt holes Support column is along the circumferentially equidistant setting of brake disc inner circumferential.
A kind of inner ventilation brake disc the most according to claim 2, it is characterised in that: in described each support column group, remove Remaining beyond the support colonnade that length is the longest supports colonnade and bends the most in the same direction, and the concave side of bending spirals towards braking Turn the front in direction；And in remaining each support colonnade, each support column width along this path, support column place from brake disc Circumference brake disc inner circumferential is gradually reduced.
6. according to a kind of inner ventilation brake disc described in claim 2 or 5, it is characterised in that: remaining each support column described In line between row two ends, path, place and two ends, the end points near brake disc periphery is to the line institute between disc centres The angle formed is between 5 degree to 20 degree.
7. according to a kind of inner ventilation brake disc described in claim 2 or 5, it is characterised in that: remaining each support column described Row path, place is circular curve, and the radius of circular curve is the brake disc exradius R of 0.8 times～1.2 times.
A kind of inner ventilation brake disc the most according to claim 2, it is characterised in that: in same described support column group, institute Post ventilating duct is had to arrange with the different radial distances from disc centres.
9. according to a kind of inner ventilation brake disc described in claim 2 or 8, it is characterised in that: described post ventilating duct place road Footpath is obliquely installed, and its angle of inclination is between 20 degree to 40 degree.
A kind of inner ventilation brake disc the most according to claim 9, it is characterised in that: in described post ventilating duct, it is located along The open-ended midpoint in direction of rotation front to the radial distance of disc centres less than being located along the end at direction of rotation rear Opening midpoint is to the radial distance of disc centres.
CN201610423781.4A 2016-06-15 2016-06-15 Inner ventilation brake disc Active CN106090080B (en)

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Application Number Priority Date Filing Date Title
CN201610423781.4A CN106090080B (en) 2016-06-15 2016-06-15 Inner ventilation brake disc

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Application Number Priority Date Filing Date Title
CN201610423781.4A CN106090080B (en) 2016-06-15 2016-06-15 Inner ventilation brake disc

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CN106090080B CN106090080B (en) 2018-11-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106838064A (en) * 2017-04-17 2017-06-13 湖南世鑫新材料有限公司 A kind of bullet train brakes wheel disc with lightweight
CN114165542A (en) * 2021-10-28 2022-03-11 北京建筑大学 Ventilation type brake disc with inclined grooves arranged between inner blade and outer blade

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6386341B1 (en) * 1999-05-31 2002-05-14 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Brake disk made of a fiber-reinforced material
EP1445507A1 (en) * 2003-02-04 2004-08-11 Dr.Ing. H.C. F. Porsche Aktiengesellschaft Internally ventilated brake disc with curved cooling channels
CN201420820Y (en) * 2009-06-04 2010-03-10 浙江亚太机电股份有限公司 Ventilating brake disk
CN103348158A (en) * 2010-12-23 2013-10-09 布雷博西格里碳陶刹车有限公司 Internally ventilated brake disk rotor
CN205841581U (en) * 2016-06-15 2016-12-28 浙江亚太机电股份有限公司 A kind of inner ventilation brake disc

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6386341B1 (en) * 1999-05-31 2002-05-14 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Brake disk made of a fiber-reinforced material
EP1445507A1 (en) * 2003-02-04 2004-08-11 Dr.Ing. H.C. F. Porsche Aktiengesellschaft Internally ventilated brake disc with curved cooling channels
CN201420820Y (en) * 2009-06-04 2010-03-10 浙江亚太机电股份有限公司 Ventilating brake disk
CN103348158A (en) * 2010-12-23 2013-10-09 布雷博西格里碳陶刹车有限公司 Internally ventilated brake disk rotor
CN205841581U (en) * 2016-06-15 2016-12-28 浙江亚太机电股份有限公司 A kind of inner ventilation brake disc

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106838064A (en) * 2017-04-17 2017-06-13 湖南世鑫新材料有限公司 A kind of bullet train brakes wheel disc with lightweight
CN114165542A (en) * 2021-10-28 2022-03-11 北京建筑大学 Ventilation type brake disc with inclined grooves arranged between inner blade and outer blade
CN114165542B (en) * 2021-10-28 2023-09-26 北京建筑大学 Ventilated brake disc with inclined groove between inner blade and outer blade

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