CN106382309A - Drum-type brake lining - Google Patents
Drum-type brake lining Download PDFInfo
- Publication number
- CN106382309A CN106382309A CN201611082349.XA CN201611082349A CN106382309A CN 106382309 A CN106382309 A CN 106382309A CN 201611082349 A CN201611082349 A CN 201611082349A CN 106382309 A CN106382309 A CN 106382309A
- Authority
- CN
- China
- Prior art keywords
- steel back
- arc steel
- brake lining
- arcuate friction
- drum
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
- F16D65/09—Pivots or supporting members therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
- F16D65/09—Pivots or supporting members therefor
- F16D65/091—Pivots or supporting members therefor for axially holding the segments
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of automobile brake, and specifically relates to a drum-type brake lining. The drum-type brake lining comprises a plurality of arc-shaped steel backings, wherein two arc-shaped friction blocks are arranged on each arc-shaped steel backing, and are distributed at two end parts of the arc-shaped steel backing at a first predetermined distance; and the plurality of arc-shaped steel backings are distributed on an assembly surface of a brake drum in parallel at a second predetermined distance. The invention provides a drum-type brake lining which is simple in production process, low in production cost, good in heat dissipation effect, low in wear rate and few in eccentric wear phenomena.
Description
Technical field
The present invention relates to automobile brake technical field is and in particular to a kind of drum brake lining.
Background technology
At present, in addition to minority commercial car adopts disk-type braking gland completely, most of commercial car still adopts drum after shroud
Formula structure or drum brakes structure.And existing the overwhelming majority drum brake lining use synthetic material, due to commercialization
Vehicle-mounted great, in brake process, brake lining temperature quickly raises, and drum-type structure not easy heat radiation, synthetic material is in high temperature
Coefficient of friction is decayed, and abrasion greatly increases.On the other hand, synthetic material brake lining adopts the production technology of press curing,
Whole liner is an entirety, and area is larger, complex manufacturing, and production cost is higher, and the abrasive dust producing during brake is difficult to arrange
Put, cause to pile up, have impact on the radiating of liner further.It is brake lining and system that existing brake lining there is also an issue
Not exclusively, eccentric wear phenomenon is serious for dynamic drum laminating.
Chinese patent literature CN202431793U discloses a kind of open slotting drum lining of vehicle brake, including in circular arc
The liner body of shape, is suppressed with some radiating grooves on the medial surface of described liner body, and described radiating groove is by liner
The medial surface of body is divided into some elevated regions, is provided with the riveted holes running through liner body on described elevated regions.Should
Lining structure is simple, high mechanical strength, but this liner is an overall structure, and difficulty of processing is big, and production cost is higher, during brake
The abrasive dust producing easily is deposited in radiating groove, the radiating of impact liner body.Therefore how to reduce the production of brake facing
Cost is so as to be easy to process, improving radiating effect becomes one technical problem urgently to be resolved hurrily of the industry simultaneously.
Content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome brake facing of the prior art to be an overall knot
Structure, production cost is high, and radiating effect is poor, wears away serious defect, thus providing a kind of simple production process, low production cost,
Good heat dissipation effect, rate of wear is low, the few drum brake lining of eccentric wear phenomenon.
For this reason, the invention provides a kind of drum brake lining, including：
Several arc steel backs, each arc-shaped steel back is provided with two arcuate friction blocks, two arcuate friction block gaps
Two ends being distributed in described arc steel back of the first preset distance；Several arc steel backs are spaced the second preset distance
On the parallel fitting surface being distributed in brake rim.
In described drum brake lining, one end of described arcuate friction block is beveled end；It is arranged on same described arc
The positive and negative setting of two arcuate friction blocks in steel back is so that two described beveled end are adapted to.
In described drum brake lining, described arc steel back and described arcuate friction block pass through to be sintered to fix.
In described drum brake lining, described arc-shaped steel back is provided with multiple sintering holes, and described arcuate friction block leads to
Cross be arranged on its with described arc-shaped steel back contacts face on projection insert in described sintering hole to fix with described arc steel back.
In described drum brake lining, described arcuate friction block has the first connection of arcuate friction block described in an insertion
Hole, two ends of described arc steel back are respectively provided with the second connecting hole of two ends of arc steel back described in an insertion, even
Fitting sequentially passes through described first connecting hole and the second connecting hole by described arcuate friction block and arc steel back and described brake rim
Connect.
In described drum brake lining, described connector is rivet.
In described drum brake lining, described arc steel back and/or described arcuate friction block are powdered metallurgical material system
Become.
In described drum brake lining, between described arc steel back and the fitting surface of described brake rim, it is provided with two
The floating part of the distance between the fitting surface of described arc steel back and described brake rim can be changed.
In described drum brake lining, described floating part is arranged on below the second connecting hole of described arc steel back, institute
The central authorities stating floating part are provided with a centre bore, and described centre bore is coaxially disposed with described second connecting hole.
In described drum brake lining, the central authorities of described floating part are higher than that surrounding is arranged.
In described drum brake lining, described floating part is disc spring.
Technical solution of the present invention, has the advantage that：
1. the drum brake lining that the present invention provides, several arc steel backs are distributed on the fitting surface of brake rim,
And each arc-shaped steel back is provided with the arcuate friction blocks of two separation arrangements it is only necessary to a set of compacting tool set, just can give birth to simultaneously
Produce multiple arcs brake pad, simple production process, production efficiency is high, manufacturing cost is relatively low.And the heat producing when braking can
Distributed in time by the gap between arc steel back and between arcuate friction block, improve radiating effect；Brake simultaneously
When the abrasive dust that produces due to the setting of arc steel back and arcuate friction block radian, will not be deposited in above brake rim, but from arc
Space between shape steel back is discharged, and further increases radiating effect, brake rim is played a very good protection.
2. the drum brake lining that the present invention provides, described arc steel back and described arcuate friction block are powder metallurgy material
Material is made, and, to temperature-insensitive, through overtesting, coefficient of friction is still relatively when 500 DEG C for powdered metallurgical material for powdered metallurgical material
Stable, undamped phenomenon, and under the same conditions, the rate of wear of powdered metallurgical material reduces 1.5- than synthetic material brake lining
2 times, the arc steel back that therefore present invention is made using powdered metallurgical material and arcuate friction block solve automobile brake well
The problem of liner coefficient of friction decay and abrasion increase in high temperature.
3. the drum brake lining that the present invention provides, is arranged between described arc steel back and the fitting surface of described brake rim
There are two floating parts, this floating part has elastic telescopic performance so that automobile brake lining plate can be complete with brake rim when braking
Laminating, increased the friction area between arc steel back and brake rim so that abrasion is consistent, greatly reduces sending out of eccentric wear phenomenon
Raw；And in automobile normal running, due to the setting of floating part, between arc steel back and brake rim, there is certain gap, and
Incomplete contact between, decreases wear phenomenon during automobile normal running.
Brief description
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
In embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe in
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
The schematic diagram of the drum brake lining for providing in the first embodiment of the present invention for the Fig. 1；
Fig. 2 is the front view of the drum brake lining shown in Fig. 1；
Fig. 3 is the rearview of the drum brake lining shown in Fig. 1；
The front view of the arcuate friction block for providing in second embodiment of the present invention for the Fig. 4；
Fig. 5 is the rearview of the arcuate friction block described in Fig. 4；
The schematic diagram of the arc steel back for providing in second embodiment of the present invention for the Fig. 6；
The schematic diagram of the disc spring for providing in the third embodiment of the present invention for the Fig. 7.
Description of reference numerals：
1- arc steel back；2- arcuate friction block；3- floating part；11- sinters hole；12- second connecting hole；21- is raised；22-
First connecting hole；23- beveled end；31- centre bore.
Specific embodiment
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described with the enforcement it is clear that described
Example is a part of embodiment of the present 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 not making creative work, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplify description, rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can
To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as additionally, the non-structure each other of involved technical characteristic in invention described below different embodiments
Become conflict just can be combined with each other.
A kind of specific embodiment of drum brake lining as Figure 1-3, including several arc steel backs 1, each
Arc-shaped steel back is provided with two arcuate friction blocks 2, and what two arcuate friction blocks 2 were spaced the first preset distances is distributed in described arc
Two ends of shape steel back 1；Several arc steel backs 1 are spaced the parallel fitting surface being distributed in brake rim of the second preset distance
On.
Original integral stop liner is divided into 12 pieces of identical arcuate friction blocks 2, when producing it is only necessary to a set of
Compacting tool set, the just compressing 12 pieces of arcuate friction blocks 2 of energy, because the structure of arcuate friction block 2 is simple, therefore production technology
Simply, production cost is relatively low.In brake, the abrasive dust that brake produces is scattered in space and arc between arcuate friction block 2
In space between steel back 1, due to the setting of arc, in the presence of abrasive dust self gravitation, abrasive dust smoothly from arc steel back 1 it
Between space in discharge so that brake rim is directly exposed to outer, improve radiating effect, and then protect brake rim.
Specifically, the first preset distance and the second preset distance can be arranged according to actual needs, can identical can also
Different.Arcuate friction block 2 can be rectangle or trapezoidal etc., as long as width is consistent with the width of arc steel back 1.Arc rubs
Cleaning block 2, arc steel back 1 radian all consistent with the fitting surface of brake rim, so that solid and reliable.
As a kind of specific embodiment, one end of described arcuate friction block 2 is beveled end 23；It is arranged on same described arc
The positive and negative setting of two arcuate friction blocks 2 in shape steel back 1 is so that two described beveled end 23 are adapted to.I.e. two arcuate friction blocks 2
Two beveled end 23 be oppositely arranged, so brake when, if two arcuate friction blocks contact with each other in the presence of external force,
Increase contact area, the frictional force being accordingly subject to is also larger, braking effect is good.
Fig. 4-6 is that a kind of of drum brake lining improves embodiment, described arc steel back 1 and described arcuate friction block 2
By being sintered to fix, arc steel back 1 and arcuate friction block 2 are sintered by compressing arcuate friction block 2 again by pressure sintering
Together.Multiple sintering holes 11 are provided with described arc steel back 1, multiple sintering holes 11 are distributed generally evenly in arc steel back
On 1, described arcuate friction block 2 inserts described sintering hole by being arranged on it with the projection 21 on described arc steel back 1 contact surface
With fixing with described arc steel back 1 in 11.Respectively arrange at arcuate friction block 2 and two drift angles of arc steel back 1 contact surface in Fig. 5
There is a projection 21, just so that the two is fixed in corresponding sintering hole 11 in insertion arc steel back 1, prevent both during sintering
Position change, raised 21 are distributed in the two ends of each arcuate friction block 2, so that arcuate friction block 2 and arc steel back 1
Sintering connect more firm.Additionally, described arcuate friction block 2 has the first connecting hole of arcuate friction block 2 described in an insertion
22, the first connecting hole 22 is opened in the middle part of arcuate friction block 2, and two ends of described arc steel back 1 are respectively provided with an insertion
Second connecting hole 12 of two ends of described arc steel back 1, the first connecting hole 22 and the second connecting hole 12 pass through pressing one-time
Molding.Connector sequentially passes through described first connecting hole 22 and the second connecting hole 12 is supported on the contact surface of brake rim, will
Described arcuate friction block 2 and arc steel back 1 are connected with described brake rim, and described connector is rivet, to realize riveting.
Improve embodiment as another kind of, described arc steel back 1 and described arcuate friction block 2 are powdered metallurgical material
Make.Or only arc steel back 1 is made up of powdered metallurgical material.Or only arcuate friction block 2 is powdered metallurgical material system
Become.Select powdered metallurgical material, will be compressing respectively to arc steel back 1 and arcuate friction block 2 by corresponding mould, then lead to
Cross pressure sintering to be sintered together the two.The arc steel back 1 of powder metallurgy material and arcuate friction block 2 rub system at high temperature
Still more stable, the undamped phenomenon of number；Under the same conditions, the mill of the arc steel back 1 of powder metallurgy material and arcuate friction block 2
Consumption rate reduces 1.5-2 times than original-pack brake lining, and the automobile brake lining plate of powder metallurgy material is significantly better than on material property
The brake lining of Composite, has a extensive future.
Fig. 7 is the another embodiment of drum brake lining, is additionally included in described arc steel back 1 and described brake rim
It is provided with the floating of the distance between two fitting surfaces that can change described arc steel back 1 and described brake rim between fitting surface
Part 3, to realize floating effect.Described floating part 3 is arranged on below the second connecting hole 12 of described arc steel back 1, described floating
The central authorities of part 3 are provided with a centre bore 31, and described centre bore 31 is coaxially disposed with described second connecting hole 12, and connector is worn successively
Cross the first connecting hole 22, the second connecting hole 12 and centre bore 31 to support on the contact surface of brake rim, by arcuate friction block 2,
Arc steel back 1, floating part 3 and brake rim are connected.Described floating part 3 is disc spring, and the central authorities of described floating part 3 are higher than surrounding
Setting, and the flexibility of floating part 3 is more than the flexibility of arcuate friction block 2 and arc steel back 1, floating part 3 can also be other
The low elastic partss of middle height, surrounding, so in automobile normal running, the arc steel back 1 only central contact with disc spring, brake
The drum only peripheral contact with disc spring, other positions do not contact, and form floating structure, reduce connecing between arc steel back 1 and disc spring
Contacting surface is amassed, reduce loss；In brake, due to the elastic shrinkage of disc spring itself, disc spring is accommodated completely in arc steel back 1 and is stopped
It is achieved that the laminating completely of arc steel back 1 and brake rim between car drum, increased friction area so that wear surface is smooth, significantly
Reduce the generation of eccentric wear phenomenon.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (10)
1. a kind of drum brake lining is it is characterised in that include：
Several arc steel backs (1), each arc steel back (1) is provided with two arcuate friction blocks (2), two arcuate friction blocks
(2) it is spaced two ends being distributed in described arc steel back (1) of the first preset distance；Several arc steel backs (1) are spaced
On the parallel fitting surface being distributed in brake rim of the second preset distance.
2. drum brake lining according to claim 1 is it is characterised in that one end of described arcuate friction block (2) is oblique
Face end (23)；The positive and negative setting of two arcuate friction blocks (2) being arranged on same described arc steel back (1) is so that two described oblique
Face end (23) is adapted to.
3. drum brake lining according to claim 1 and 2 is it is characterised in that described arc steel back (1) and described arc
Brake pad (2) passes through to be sintered to fix.
4. according to the arbitrary described drum brake lining of claim 1-3 it is characterised in that described arc steel back (1) is above arranged
There are multiple sintering holes (11), described arcuate friction block (2) is by being arranged on the projection on itself and described arc steel back (1) contact surface
(21) insert in described sintering hole (11) with fixing with described arc steel back (1).
5. according to the arbitrary described drum brake lining of claim 1-4 it is characterised in that described arcuate friction block (2) has
First connecting hole (22) of arcuate friction block (2) described in one insertion, two ends of described arc steel back (1) are respectively provided with always
Lead to second connecting hole (12) of two ends of described arc steel back (1), connector sequentially passes through described first connecting hole (22)
With the second connecting hole (12), described arcuate friction block (2) and arc steel back (1) are connected with described brake rim.
6. according to the arbitrary described drum brake lining of claim 1-5 it is characterised in that described arc steel back (1) and/or institute
State arcuate friction block (2) to be made up of powdered metallurgical material.
7. drum brake lining according to claim 5 is it is characterised in that in described arc steel back (1) and described brake
It is provided with the distance between two fitting surfaces that can change described arc steel back (1) and described brake rim between the fitting surface of drum
Floating part (3).
8. drum brake lining according to claim 7 is it is characterised in that described floating part (3) is arranged on described arc
Below second connecting hole (12) of steel back (1), the central authorities of described floating part (3) are provided with a centre bore (31), described centre bore
(31) it is coaxially disposed with described second connecting hole (12).
9. drum brake lining according to claim 7 is it is characterised in that the central authorities of described floating part (3) are higher than surrounding
Setting.
10. drum brake lining according to claim 8 is it is characterised in that described floating part (3) is disc spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082349.XA CN106382309B (en) | 2016-11-30 | 2016-11-30 | A kind of drum brake lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082349.XA CN106382309B (en) | 2016-11-30 | 2016-11-30 | A kind of drum brake lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106382309A true CN106382309A (en) | 2017-02-08 |
| CN106382309B CN106382309B (en) | 2019-02-19 |
Family
ID=57960026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611082349.XA Active CN106382309B (en) | 2016-11-30 | 2016-11-30 | A kind of drum brake lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382309B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5941349A (en) * | 1994-08-26 | 1999-08-24 | Krumm, Sr.; Walter E. | Arcuate brake system with fastener-free, replaceable brake lining |
| CN1804422A (en) * | 2005-01-10 | 2006-07-19 | 考夫伦有限公司 | Improved disc brake pad with friction elements, particularlyto be employed in the railway field |
| CN201661634U (en) * | 2010-01-14 | 2010-12-01 | 贵州新安航空机械有限责任公司 | Novel braking sheet in elastic structure |
| CN201875027U (en) * | 2010-10-26 | 2011-06-22 | 湖南中联重科车桥有限公司 | Brake shoe and drum brake |
| CN202073962U (en) * | 2011-06-10 | 2011-12-14 | 重庆交通大学 | Split friction-disc type brake |
| US20120199427A1 (en) * | 2011-02-07 | 2012-08-09 | Saf-Holland Gmbh | Brake shoe for drum brake |
| CN103038534A (en) * | 2010-06-29 | 2013-04-10 | 泰明顿服务责任有限公司 | Brake shoe for a drum brake |
| CN203670569U (en) * | 2013-12-17 | 2014-06-25 | 湖南中联重科车桥有限公司 | Braking device |
| CN203756799U (en) * | 2013-03-13 | 2014-08-06 | 伊顿公司 | Improved drum and contractile drum type brake assembly |
| CN204592098U (en) * | 2015-05-12 | 2015-08-26 | 龙文凯 | A kind of new automobile composite brake sheet |
| CN105299109A (en) * | 2015-10-28 | 2016-02-03 | 嘉善烽火节能设备有限公司 | Push-rod brake with automatic rapid heat dissipation function |
| CN206221543U (en) * | 2016-11-30 | 2017-06-06 | 北京天宜上佳新材料股份有限公司 | A kind of drum brake lining |
-
2016
- 2016-11-30 CN CN201611082349.XA patent/CN106382309B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5941349A (en) * | 1994-08-26 | 1999-08-24 | Krumm, Sr.; Walter E. | Arcuate brake system with fastener-free, replaceable brake lining |
| CN1804422A (en) * | 2005-01-10 | 2006-07-19 | 考夫伦有限公司 | Improved disc brake pad with friction elements, particularlyto be employed in the railway field |
| CN201661634U (en) * | 2010-01-14 | 2010-12-01 | 贵州新安航空机械有限责任公司 | Novel braking sheet in elastic structure |
| CN103038534A (en) * | 2010-06-29 | 2013-04-10 | 泰明顿服务责任有限公司 | Brake shoe for a drum brake |
| CN201875027U (en) * | 2010-10-26 | 2011-06-22 | 湖南中联重科车桥有限公司 | Brake shoe and drum brake |
| US20120199427A1 (en) * | 2011-02-07 | 2012-08-09 | Saf-Holland Gmbh | Brake shoe for drum brake |
| CN202073962U (en) * | 2011-06-10 | 2011-12-14 | 重庆交通大学 | Split friction-disc type brake |
| CN203756799U (en) * | 2013-03-13 | 2014-08-06 | 伊顿公司 | Improved drum and contractile drum type brake assembly |
| CN203670569U (en) * | 2013-12-17 | 2014-06-25 | 湖南中联重科车桥有限公司 | Braking device |
| CN204592098U (en) * | 2015-05-12 | 2015-08-26 | 龙文凯 | A kind of new automobile composite brake sheet |
| CN105299109A (en) * | 2015-10-28 | 2016-02-03 | 嘉善烽火节能设备有限公司 | Push-rod brake with automatic rapid heat dissipation function |
| CN206221543U (en) * | 2016-11-30 | 2017-06-06 | 北京天宜上佳新材料股份有限公司 | A kind of drum brake lining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106382309B (en) | 2019-02-19 |
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