CN206647474U - 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
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- CN206647474U CN206647474U CN201720373933.4U CN201720373933U CN206647474U CN 206647474 U CN206647474 U CN 206647474U CN 201720373933 U CN201720373933 U CN 201720373933U CN 206647474 U CN206647474 U CN 206647474U
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- flexible member
- brake pad
- brake
- big amount
- pad
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Abstract
It the utility model is related 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), it is arranged on by the first flexible member (3) in the pad back plate (1)；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 utility model provides one kind in train braking, and the deformation quantity of flexible member is relatively large, and the uniform force of same brake lining differentiated friction block, brake pad are bonded the brake pad completely with big amount of floating flexible member with brake disc.
Description
Technical field
It the utility model is related to train braking technical field, and in particular to a kind of braking with big amount of floating flexible member
Brake lining.
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 due to rubbing
It can not be bonded 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
The high stress point of brake pad is cracked, chip off-falling, defect, 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, and in train braking, disc spring provides one
Fixed amount of floating causes brake pad to be bonded as far as possible with brake disc.But 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 the stress of same brake lining differentiated friction block as far as possible uniformly, brake pad and braking
Disk is bonded complete require as far as possible.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome in the prior art in train braking, disc spring
Deformation quantity is still relatively small, it is impossible to meet stress between same brake lining differentiated friction block as far as possible uniformly, brake pad and brake disc
Fitting complete the defects of requiring as far as possible, so as to provide one kind in train braking, the deformation quantity of flexible member is relatively large, together
The uniform force of one brake lining differentiated friction block, brake pad are bonded the braking completely with big amount of floating flexible member with brake disc
Brake lining.
In order to solve the above-mentioned technical problem, the utility model provides a kind of damper brake with big amount of floating flexible member
Piece, including：
Pad back plate；
Brake pad, it is arranged on by the first flexible member in the pad back plate；
First flexible member, upper surface are 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 are 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 are jump ring.
The described brake pad with big amount of floating flexible member, the supporter include a hemispherical being arranged on
Portion and one be arranged under I-shaped portion, the hemisphere portion and the I-shaped portion are 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.
The described brake pad with big amount of floating flexible member, form and the supporter in the pad back plate
The positioning hole to match.
The described brake pad with big amount of floating flexible member, first flexible member are 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 passes through.
Technical solutions of the utility model, have the following advantages that：
1. the brake pad provided by the utility model with big amount of floating flexible member, it is arranged on brake pad and the brake lining back of the body
The first flexible member between plate is a round platform, and the angle between the waist in the section for the axle for passing through round platform and bottom be 10~
35 °, such a design make it that the deformation quantity of the first flexible member is relatively large in train braking.
2. the brake pad provided by the utility model with big amount of floating flexible member, the different brake pad of same brake lining
Uniform force, brake pad and brake disc fitting are complete, ensure that the floating effect of brake lining to the full extent, it is stable to improve braking
Property.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the brake pad provided by the utility model with big amount of floating flexible member；
Fig. 2 is the schematic diagram of the first flexible member in Fig. 1；
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
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Conflict can is not formed to be combined with each other.
A kind of embodiment of the brake pad with big amount of floating flexible member as illustrated in fig. 1 and 2, including lock
Piece backboard 1, positioning hole 11 is formed in pad back plate 1, and positioning hole 11 can be circular counterbore.Brake pad 2, pass through the first bullet
Property element 3 be arranged on the pad back plate 1 on, 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 bonded on the disc brake rotor.First
Flexible member 3, upper surface are 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 are an isosceles trapezoid, the angle theta between the waist of isosceles trapezoid and bottom be 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 is upper
The length ratio of bottom and bottom is 1.0:(1.7~2.0).The ratio between the vertical strain amount of disc spring and free height h for (0.16~
0.70)：1.Wherein, free height h be disc spring do not deform 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, can ensure regardless of in train row
During sailing, or in train braking, brake pad 2 can be bonded completely with brake disc, and the active force being subject to is uniform, will not be gone out
Existing eccentric wear phenomenon, extend 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 so that the two to be connected.Certain friction piece 21
It can also be integrally formed with supporter 22, connection is more solid and reliable.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 to match 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 from arranging
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
Cleaning block 2 is steadily bonded brake disc and implements braking.In train braking, due to the size design of disc spring in the utility model, disc spring
Deformation quantity it is relatively large so that the uniform force of same brake lining differentiated friction block, brake pad and brake disc fitting 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, and the floating effect as brake pad is preferable.
Bearing capacity respectively for 0.5kN, 1kN and 1.5kN when, calculate the disc spring (A5) and other two kinds in the present embodiment
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 disc spring A5 ratios of vertical strain amount and free height in same bearing capacity are 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
Relatively large, the floating effect as brake pad is preferable.
When the bilateral brake lining thrust of brake lining is 45KN, analyzes and 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 formed
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 maximum endurance of the brake pad for the brake lining that disc spring A2 is formed and minimum endurance is 0.04, much smaller than by disc spring A1 and A3
The brake lining of composition, illustrate being more uniformly stressed by the differentiated friction block of the disc spring A2 brake linings formed, 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 formed
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 maximum endurance of the brake pad of the disc spring A5 brake linings formed and minimum endurance is 0.02, much smaller than by disc spring
The brake lining that A4 and A6 is formed, illustrate being more uniformly stressed by the differentiated friction block of the disc spring A5 brake linings formed, brake lining, which floats, imitates
Fruit is preferable.
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 formed 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 formed 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, illustrate by the brake lining that disc spring A2 is formed in train braking it is more complete with being bonded for brake disc, 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 of brake lining and the fitting of brake disc that the diameter of the end face disc spring different from the diameter ratio of lower surface (A4, A6) is formed
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 formed and the fitting area of brake disc, much larger than by disc spring A4 and A6 structure
Into brake lining, illustrate by the brake lining that disc spring A5 is formed in train braking it is more complete with being bonded for brake disc, brake lining float effect
Fruit is preferable.
Certainly, disc spring can also be ripple spring, or other flexible while longitudinal sections are that trapezoidal and angle is arranged to above-mentioned
The elastic component of scope.Jump ring can also be the elastic component that other can play elastic reaction.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the 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 the protection domain that variation is created still in the utility model.
Claims (9)
- A kind of 1. brake pad with big amount of floating flexible member, it is characterised in that including：Pad back plate (1)；Brake pad (2), it is arranged on by the first flexible member (3) in the pad back plate (1)；First flexible member (3), upper surface are 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 The ratio between vertical strain amount and free height of property element (3) are (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) is 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, and 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) to match 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 |
|---|---|---|---|
| CN201720373933.4U CN206647474U (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 |
|---|---|---|---|
| CN201720373933.4U CN206647474U (en) | 2017-04-11 | 2017-04-11 | A kind of brake pad with big amount of floating flexible member |
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| Publication Number | Publication Date |
|---|---|
| CN206647474U true CN206647474U (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720373933.4U Active CN206647474U (en) | 2017-04-11 | 2017-04-11 | A kind of brake pad with big amount of floating flexible member |
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| Country | Link |
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| CN (1) | CN206647474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061577A (en) * | 2017-04-11 | 2017-08-18 | 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 CN201720373933.4U patent/CN206647474U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061577A (en) * | 2017-04-11 | 2017-08-18 | 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 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 102206 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north. Patentee after: Beijing Tianyi good high-tech materials Limited by Share Ltd Address before: 100094 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north. Patentee before: Beijing Tianyi good new materials Limited by Share Ltd |
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| CP03 | Change of name, title or address |