CN107061577A - A kind of brake pad with big amount of floating flexible member - Google Patents
A kind of brake pad with big amount of floating flexible member Download PDFInfo
- Publication number
- CN107061577A CN107061577A CN201710232784.4A CN201710232784A CN107061577A CN 107061577 A CN107061577 A CN 107061577A CN 201710232784 A CN201710232784 A CN 201710232784A CN 107061577 A CN107061577 A CN 107061577A
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- CN
- China
- Prior art keywords
- flexible member
- brake pad
- brake
- big amount
- pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
-
- 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to train braking technical field, and in particular to a kind of brake pad with big amount of floating flexible member, including：Pad back plate (1)；Brake pad (2), is arranged in the pad back plate (1) by the first flexible member (3)；First flexible member (3), upper surface is connected with the brake pad (2), lower surface is connected with the pad back plate (1), and first flexible member (3) is a round platform, is 10~35 ° by the angle between the waist in the section of the axle of the round platform and bottom.The invention provides one kind in train braking, the deformation quantity of flexible member is relatively large, and the uniform force of same brake lining differentiated friction block, brake pad are fitted with brake disc completely has the brake pad of big amount of floating flexible member.
Description
Technical field
The present invention relates to train braking technical field, and in particular to a kind of damper brake with big amount of floating flexible member
Piece.
Background technology
In train disk braking system, brake pad is one of critical component, and brake force is applied to by brake clamp
On brake pad, make the brake pad and brake disc of brake pad, absorb kinetic energy, train braking is stopped.But it is due to rub
It can not be fitted completely between cleaning block and brake disc, active force can not be acted on averagely in brake pad and brake disc, so as to cause
There is crackle, chip off-falling, defect in the high stress point of brake pad, produces area of localized hyperthermia, influences braking effect.
In order to solve the above-mentioned technical problem, Chinese patent literature CN204533294U discloses a kind of floating type damper brake
Piece, including backboard, several brake pads, several jump rings and the disc spring being arranged between brake pad and backboard, disc spring are hollow
It is round table-like, the upper end of round platform is supported on below brake pad, and lower end is supported on backboard, in train braking, and disc spring provides one
Fixed amount of floating causes brake pad is tried one's best with brake disc to fit.But it is due to the limitation of disc spring dimensional structure itself, in train system
Its deformation quantity is still relatively small when dynamic, it is impossible to meet same brake lining differentiated friction block stress try one's best uniformly, brake pad and braking
Disk is tried one's best, and laminating is complete to be required.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome in the prior art in train braking, the deformation of disc spring
Amount is still relatively small, it is impossible to meet the stress between same brake lining differentiated friction block try one's best uniformly, brake pad and brake disc try one's best
The defect that laminating is completely required, so as to provide one kind in train braking, the deformation quantity of flexible member is relatively large, same lock
The uniform force of piece differentiated friction block, brake pad are fitted with brake disc completely has the damper brake of big amount of floating flexible member
Piece.
In order to solve the above-mentioned technical problem, the invention provides a kind of brake pad with big amount of floating flexible member,
Including：
Pad back plate；
Brake pad, is arranged in the pad back plate by the first flexible member；
First flexible member, upper surface is connected with the brake pad, and lower surface is connected with the pad back plate, and described
One flexible member is a round platform, is 10~35 ° by the angle between the waist in the section of the axle of the round platform and bottom.
The described brake pad with big amount of floating flexible member, the diameter of the upper surface of first flexible member with
The diameter ratio of lower surface is 1.0：(1.7~2.0).
The described brake pad with big amount of floating flexible member, the vertical strain amount of first flexible member with from
It is (0.16~0.70) by the ratio between height：1.
The described brake pad with big amount of floating flexible member, the brake pad include the friction piece that is arranged on and
Supporter under being arranged on, the upper surface of first flexible member is connected with the upper end of the supporter, the supporter
Lower end is connected by the second flexible member with the pad back plate.
The described brake pad with big amount of floating flexible member, second flexible member is jump ring.
The described brake pad with big amount of floating flexible member, the supporter includes a hemispherical being arranged on
Portion and one be arranged under I-shaped portion, the hemisphere portion and the I-shaped portion be affixed, the planar ends of the hemisphere portion
It is fixed in the friction piece, the lower end in the I-shaped portion is fixed in the pad back plate.
Formed and the supporter in the described brake pad with big amount of floating flexible member, the pad back plate
The positioning hole matched.
The described brake pad with big amount of floating flexible member, first flexible member is arranged on the positioning hole
Top, second flexible member be arranged on the positioning hole bottom.
The described brake pad with big amount of floating flexible member, the inside of first flexible member forms permission
The through hole that the supporter is passed through.
Technical solution of the present invention, has the following advantages that：
1. the brake pad with big amount of floating flexible member that the present invention is provided, be arranged on brake pad and pad back plate it
Between the first flexible member for angle between a round platform, and the waist in the section for the axle for passing through round platform and bottom be 10~35 °, this
Plant design and make it that the deformation quantity of the first flexible member is relatively large in train braking.
2. the brake pad with big amount of floating flexible member that the present invention is provided, the different brake pad stress of same brake lining
Uniformly, brake pad and brake disc laminating are complete, and the floating effect of brake lining is ensure that to the full extent, insensitivity is improved.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
The schematic diagram for the brake pad with big amount of floating flexible member that Fig. 1 provides for the present invention；
Fig. 2 be Fig. 1 in the first flexible member schematic diagram；
Description of reference numerals：
1- pad back plates；2- brake pads；The flexible members of 3- first；The flexible members of 4- second；11- positioning holes；21- rubs
Body；22- supporters；211- preformed grooves；221- hemisphere portions；The I-shaped portions of 222-；2211- circle embedded divisions；θ-waist and bottom
Between angle；The diameter of the upper surface of the flexible members of d1- first；The diameter of the lower surface of the flexible members of d2- first；H- first
The free height of flexible member.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can just be combined with each other into conflict.
A kind of embodiment of the brake pad with big amount of floating flexible member as illustrated in fig. 1 and 2, including lock
Positioning hole 11 is formed in piece backboard 1, pad back plate 1, positioning hole 11 can be circular counterbore.Brake pad 2, passes through the first bullet
Property element 3 be arranged in the pad back plate 1, first flexible member 3 is high temperature resistant stainless steel spring, is in the present embodiment
Disc spring, brake pad 2 and disc spring are installed in the counterbore of pad back plate 1, and the upper surface of brake pad 2 is fitted on the disc brake rotor.First
Flexible member 3, upper surface is connected with the brake pad 2, and lower surface is connected with the pad back plate 1, i.e. the upper end support of disc spring
On the lower surface of brake pad 2, the lower end of disc spring is supported on the upper surface of pad back plate 1；And first flexible member 3 is
One round platform, the section by the axle of the round platform is an isosceles trapezoid, the angle theta between the waist of isosceles trapezoid and bottom for 10~
35°。
The ratio between the diameter d1 of the upper surface of disc spring and the diameter d2 of lower surface are 1.0：1.7~2.0, i.e. isosceles trapezoid it is upper
The length ratio of bottom and bottom is 1.0:(1.7~2.0).The ratio between vertical strain amount of disc spring and free height h for (0.16~
0.70)：1.Wherein, free height h be disc spring not deforming upon, in the raw under vertical height.Due to brake pad 2
Gap between pad back plate 1 is generally 2.0mm or so, and disc spring design is above-mentioned size, be ensure that regardless of in train row
During sailing, or in train braking, brake pad 2 can completely fit with brake disc, and the active force being subject to is uniform, will not go out
Existing eccentric wear phenomenon, extends the service life of brake lining.
The brake pad 2 include the friction piece 21 that is arranged on and be arranged under supporter 22, the lower end of friction piece 21
Preformed groove 211 is offered on face；The upper end of supporter 22 is arranged in preformed groove 211 to connect the two.Certain friction piece 21
It can also be integrally formed, connect more solid and reliable with supporter 22.The upper surface of disc spring and the upper end of the supporter 22 connect
Connect, the lower end of the supporter 22 is connected by the second flexible member 4 with the pad back plate 1.In the present embodiment, described
Two flexible members 4 are jump ring, and jump ring is by spring steel bending and molding, including two supporting legs, circular small collar and circular big collar, circle
The small collar of shape is connected in the lower end of supporter 22, and circular big collar is connected in the bottom of counterbore.
The supporter 22 includes the I-shaped portion 222 under a hemisphere portion 221 and one being arranged on is arranged on, hemisphere
The planar ends in shape portion 221 have a circular embedded division 2211 along the direction elongation moulding away from the center of circle, and the circular embedded division 2211 is complete
The fixation of the two is realized in the preformed groove 211 of complete embedded friction piece 21；The hemisphere portion 221 and the I-shaped portion 222 are solid
Connect, i.e., the upper end in I-shaped portion 222 is located at the central fixed of hemisphere portion 221, certain hemisphere portion 221 and I-shaped portion 222
It can also be integrally formed.The planar ends of the hemisphere portion 221 are fixed in the friction piece 21, the I-shaped portion 222
Lower end is fixed in the counterbore of the pad back plate 1.
The positioning hole 11 matched with the supporter 22 is formed in the pad back plate 1, the upper end of positioning hole 11 is straight
Footpath is more than lower end diameter.The upper end of disc spring, the hemisphere portion 221 of supporter 22 and I-shaped portion 222 is arranged on the positioning hole
The lower end in 11 top, jump ring and I-shaped portion 222 is arranged on the bottom of the positioning hole 11, to prevent disc spring and jump ring in row
Larger dislocation occurs in car running.
The inside of disc spring forms the through hole for allowing the supporter 22 to pass through, the shape of through hole and the hemisphere of supporter 22
The form fit in shape portion 221 so that brake pad 2 can realize three-dimensional minor rotation, so that the fricting working surface maximum journey of brake pad 2
Degree ground and brake disc, prevent the phenomenon of the eccentric wear of brake pad 2.
When brake apparatus works, brake pressure is acted in pad back plate 1, is delivered on brake pad 2, rubbed by disc spring
Steadily laminating brake disc implements braking to cleaning block 2.In train braking, due to the size design of disc spring in the present invention, the shape of disc spring
Variable is relatively large, so that the uniform force of same brake lining differentiated friction block, brake pad and brake disc laminating are complete.
When bearing capacity is respectively 0.5kN, 1kN and 1.5kN, calculates the disc spring (A2) in the present embodiment and other two kinds lead to
The vertical strain amount of the different disc spring (A1, A3) of the angle crossed between the waist in the section of the axle of round platform and bottom and free height
Ratio, as a result as shown in table 1.
Table 1
Because the free high angle value of the disc spring of three types is identical, therefore when bearing capacity is identical, vertical strain amount with from
Bigger by the ratio of height, then the vertical strain amount of disc spring is also bigger.As it can be seen from table 1 disc spring A2 is in same bearing capacity
The ratio of vertical strain amount and free height is more than disc spring A1 and A2, therefore the waist in the section of the axle by round platform and bottom
Between angle when being 10~35 °, disc spring A2 deformation quantity is relatively large, preferable as the floating effect of brake pad.
In bearing capacity respectively when for 0.5kN, 1kN and 1.5kN, disc spring (A5) in the present embodiment is calculated and other two kinds
The vertical strain amount of the diameter of the upper surface disc spring different from the diameter ratio of lower surface (A4, A6) and the ratio of free height,
As a result it is as shown in table 2.
Table 2
From table 2 it can be seen that the ratio of disc spring A5 vertical strain amount and free height in same bearing capacity is more than disc spring
A4 and A6, therefore be 1.0 in the diameter of upper surface and the diameter ratio of lower surface：When (1.7~2.0), disc spring A5 deformation quantity
It is relatively large, it is preferable as the floating effect of brake pad.
When the bilateral brake lining thrust of brake lining is 45KN, analysis is passed through by the disc spring (A2) in the present embodiment and other two kinds
18 diverse locations of the brake lining that the different disc spring (A1, A3) of angle between the waist in the section of the axle of round platform and bottom is constituted
The stressing conditions of brake pad, as a result as shown in table 3.
Table 3
From table 3 it can be seen that when being 10~35 ° by the angle between the waist in the section of the axle of round platform and bottom, by
The difference of the brake pad maximum endurance and minimum endurance of the brake lining that disc spring A2 is constituted is 0.04, much smaller than by disc spring A1 and A3
The brake lining of composition, illustrates being more uniformly stressed by the differentiated friction block of the disc spring A2 brake linings constituted, brake lining floating effect is preferable.
When the bilateral brake lining thrust of brake lining is 45KN, analyze by the disc spring (A5) in the present embodiment and other two kinds of upper ends
The brake pad of 18 diverse locations of the brake lining that the diameter in the face disc spring different from the diameter ratio of lower surface (A4, A6) is constituted
Stressing conditions, as a result as shown in table 4.
Table 4
From table 4, it can be seen that when the diameter of the upper surface of disc spring and the diameter ratio of lower surface are 1.0：(1.7~2.0)
When, the difference by the brake pad maximum endurance and minimum endurance of the disc spring A5 brake linings constituted is 0.02, much smaller than by disc spring
The brake lining that A4 and A6 is constituted, illustrates being more uniformly stressed by the differentiated friction block of the disc spring A5 brake linings constituted, and brake lining, which floats, imitates
Fruit is preferably.
By the equal break-in of each brake lining 10, contrast break-in 10 is led to after by the disc spring (A2) in the present embodiment and other two kinds
The brake pad for the brake lining that the different disc spring (A1, A3) of the angle crossed between the waist in the section of the axle of round platform and bottom is constituted and braking
The fitting area of disk.As a result it is as shown in table 5.
Table 5
As can be seen from Table 5, when being 10~35 ° by the angle between the waist in the section of the axle of round platform and bottom, by
The brake pad for the brake lining that disc spring A2 is constituted and the fitting area of brake disc are more than 90%, much larger than the lock being made up of disc spring A1 and A3
Piece, illustrates that the brake lining being made up of disc spring A2 is more complete with fitting for brake disc in train braking, brake lining floating effect is preferable.
By the equal break-in of each brake lining 10, contrast break-in 10 after by the disc spring (A5) in the present embodiment and it is other two kinds on
The brake pad for the brake lining that the diameter of the end face disc spring different from the diameter ratio of lower surface (A4, A6) is constituted and the laminating of brake disc
Area.As a result it is as shown in table 6.
Table 6
| Flexible member | A4(1.0：(1.4~1.6) | A5(1.0：(1.7~2.0)) | A6(1.0：(2.1~2.3)) |
| Fitting area/% | 75~85% | >90% | 65~75% |
As can be seen from Table 6, when the diameter of upper surface and the diameter ratio of lower surface of disc spring are 1.0：(1.7~2.0)
When, it is more than 90% by the brake pad of the disc spring A5 brake linings constituted and the fitting area of brake disc, much larger than by disc spring A4 and A6 structure
Into brake lining, illustrate that the brake lining being made up of disc spring A5 is more complete with fitting for brake disc in train braking, brake lining float effect
Fruit is preferably.
Certainly, disc spring can also be ripple spring, or other it is flexible and meanwhile longitudinal section be trapezoidal and angle be set to it is above-mentioned
The elastic component of scope.Jump ring can also can play the elastic component of elastic reaction for other.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (9)
1. a kind of brake pad with big amount of floating flexible member, it is characterised in that including：
Pad back plate (1)；
Brake pad (2), is arranged in the pad back plate (1) by the first flexible member (3)；
First flexible member (3), upper surface is connected with the brake pad (2), and lower surface is connected with the pad back plate (1), and
First flexible member (3) is a round platform, by the angle between the waist in the section of the axle of the round platform and bottom be 10~
35°。
2. the brake pad according to claim 1 with big amount of floating flexible member, it is characterised in that first bullet
Property element (3) upper surface diameter and lower surface diameter ratio be 1.0：(1.7~2.0).
3. the brake pad according to claim 1 with big amount of floating flexible member, it is characterised in that first bullet
Property element (3) the ratio between vertical strain amount and free height be (0.16~0.70)：1.
4. according to the brake pad according to any one of claims 1 to 3 with big amount of floating flexible member, its feature exists
Include the friction piece (21) that is arranged in, the brake pad (2) and be arranged on lower supporter (22), described first is elastic first
The upper surface of part (3) is connected with the upper end of the supporter (22), and the lower end of the supporter (22) passes through the second flexible member
(4) it is connected with the pad back plate (1).
5. the brake pad according to claim 4 with big amount of floating flexible member, it is characterised in that second bullet
Property element (4) be jump ring.
6. the brake pad according to claim 4 with big amount of floating flexible member, it is characterised in that the supporter
(22) the I-shaped portion (222) under being arranged on including a hemisphere portion being arranged on (221) and one, the hemisphere portion
(221) and the I-shaped portion (222) is affixed, the planar ends of the hemisphere portion (221) are fixed in the friction piece (21),
The lower end of the I-shaped portion (222) is fixed in the pad back plate (1).
7. the brake pad according to claim 6 with big amount of floating flexible member, it is characterised in that the brake lining back of the body
The positioning hole (11) matched with the supporter (22) is formed on plate (1).
8. the brake pad according to claim 7 with big amount of floating flexible member, it is characterised in that first bullet
Property element (3) be arranged on the top of the positioning hole (11), second flexible member (4) is arranged on the positioning hole (11)
Bottom.
9. the brake pad according to claim 4 with big amount of floating flexible member, it is characterised in that first bullet
Property element (3) inside form the through hole for allowing the supporter (22) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232784.4A CN107061577A (en) | 2017-04-11 | 2017-04-11 | A kind of brake pad with big amount of floating flexible member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232784.4A CN107061577A (en) | 2017-04-11 | 2017-04-11 | A kind of brake pad with big amount of floating flexible member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107061577A true CN107061577A (en) | 2017-08-18 |
Family
ID=59602195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710232784.4A Withdrawn CN107061577A (en) | 2017-04-11 | 2017-04-11 | A kind of brake pad with big amount of floating flexible member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061577A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2290257A1 (en) * | 2009-09-01 | 2011-03-02 | Dawin Friction | Friction pad for brake system |
| CN103133571A (en) * | 2013-02-06 | 2013-06-05 | 北京天宜上佳新材料有限公司 | Floating type brake pad for train |
| CN104455105A (en) * | 2014-12-17 | 2015-03-25 | 北京天宜上佳新材料有限公司 | Floating type brake pad |
| CN104455104A (en) * | 2014-12-17 | 2015-03-25 | 北京天宜上佳新材料有限公司 | Floating type brake pad |
| CN206647474U (en) * | 2017-04-11 | 2017-11-17 | 北京天宜上佳新材料股份有限公司 | A kind of brake pad with big amount of floating flexible member |
-
2017
- 2017-04-11 CN CN201710232784.4A patent/CN107061577A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2290257A1 (en) * | 2009-09-01 | 2011-03-02 | Dawin Friction | Friction pad for brake system |
| CN103133571A (en) * | 2013-02-06 | 2013-06-05 | 北京天宜上佳新材料有限公司 | Floating type brake pad for train |
| CN104455105A (en) * | 2014-12-17 | 2015-03-25 | 北京天宜上佳新材料有限公司 | Floating type brake pad |
| CN104455104A (en) * | 2014-12-17 | 2015-03-25 | 北京天宜上佳新材料有限公司 | Floating type brake pad |
| CN206647474U (en) * | 2017-04-11 | 2017-11-17 | 北京天宜上佳新材料股份有限公司 | A kind of brake pad with big amount of floating flexible member |
Non-Patent Citations (1)
| Title |
|---|
| 张同波: "大角度碟簧的研制" * |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170818 |
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| WW01 | Invention patent application withdrawn after publication |