CN106438786A - Drum brake lining and drum brake - Google Patents
Drum brake lining and drum brake Download PDFInfo
- Publication number
- CN106438786A CN106438786A CN201611082874.1A CN201611082874A CN106438786A CN 106438786 A CN106438786 A CN 106438786A CN 201611082874 A CN201611082874 A CN 201611082874A CN 106438786 A CN106438786 A CN 106438786A
- Authority
- CN
- China
- Prior art keywords
- drum brake
- drum
- brake lining
- friction piece
- brake
- 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.)
- Pending
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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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a drum brake lining and a drum brake. According to divided structure of the drum brake lining, the drum brake lining comprises a plurality of sub linings. The sub lining comprises a friction body made from powder metallurgy material. The friction body is provided with an outer cambered surface which is matched with the brake drum. The length value L of the friction body along the axial direction of the brake drum and the average arc length value D along the circumferential direction of the brake drum are in the range of from 2:1 to 6:1. The drum brake lining of the drum brake lining and the drum brake adopts the divided structure and simultaneously limits the shape and size of the friction body after dividing. Under the premise of the braking performance of the drum brake lining and the little change in the degree of difficulty of installation, the drum brake lining and the drum brake improve the drum brake lining of the powder metallurgy material and increase the stability of the drum brake linings for powder metallurgy materials, and is favorable for the popularization and application of the drum brake lining.
Description
Technical field
The present invention relates to a kind of drum brake lining and drum brake.
Background technology
At present, drum brake is due to its absolute brake power greatly, cheap for manufacturing cost, is still widely used for heavily loaded commercial car
On some special vehicles.For the drum brake lining adopting in drum brake, it adopts polymer matrix composites system more
Make, and find from current research and interpretation, if drum brake lining adopts powdered metallurgical material, its wear rate
Will be substantially better than using polymer matrix composites with the heat stability of coefficient of friction so that the drum brake lining of the type should
Very wide with prospect.
But in the prior art, if drum brake lining is manufactured using powdered metallurgical material although being had relatively
Excellent performance, but because the drum brake lining that powdered metallurgical material is obtained is manufactured generally by the mode of compacting, right
The requirement of press device performance is very high, thus can produce the uneven problem of drum brake lining compacting, have a strong impact on drum-type system
, there is larger potential safety hazard in the stability of dynamic liner performance, limit the drum brake lining popularization and application of the type.
Content of the invention
It is an object of the invention to provide a kind of drum brake lining and drum brake, to solve drum-type in prior art
Brake lining compacting is uneven, there is potential safety hazard.
For achieving the above object, the invention provides a kind of drum brake lining, drum brake lining is Split type structure, bag
Include many sub- liners, sub- liner includes the friction piece made using powdered metallurgical material, and friction piece is had for being joined with brake drum
The extrados closing, the length value L along brake drum axial direction for the friction piece and the mean arc long value D ratio along brake drum circumferential direction
Value scope is 2:1 to 6:Between 1.
Further, it is provided with gap between adjacent two friction pieces, gap meansigma methodss d are in the range of 1mm to 4mm.
Further, friction piece has the intrados for coordinating, the arc length value of intrados and extrados with shoe brake
Arc length value equal.
Further, friction piece has the intrados for coordinating with shoe brake, and the arc length value of intrados is less than outer arc
The arc length value in face.
Further, sub- liner also includes installing plate, and the intrados cooperation with friction piece, for realizing consolidating of sub- liner
Fixed.
Further, installing plate is steel back, and friction piece is fixed in steel back in the way of high temperature sintering.
Further, friction piece is provided with riveted holes, riveted holes are compressing with friction piece one.
The present invention also provides a kind of drum brake, including shoe brake and the drum brake lining being arranged on shoe brake
Piece, drum brake lining is drum brake lining as above.
Further, shoe brake have main stress portion during braking and auxiliary forced section, rubbing in drum brake lining
The length value L along brake drum axial direction for the rub body is different from the ratio value of the mean arc long value D along brake drum circumferential direction, installs
The ratio value of the friction piece in main stress portion is less than the ratio value of the friction piece being arranged on auxiliary forced section.
Further, shoe brake has main stress portion and an auxiliary forced section, the gap between adjacent two friction pieces,
It is arranged on the gap between adjacent two friction pieces in main stress portion to be less than between adjacent two friction pieces being arranged on auxiliary forced section
Gap.
Technical solution of the present invention, has the advantage that：
1. the present invention provide drum brake lining and drum brake in, drum brake lining be Split type structure, including
Many sub- liners, sub- liner includes the friction piece made using powdered metallurgical material, and friction piece is had for being coordinated with brake drum
Extrados, the length value L along brake drum axial direction for the friction piece and mean arc long value D ratio value along brake drum circumferential direction
Scope is 2:1 to 6:Between 1, thus the drum brake lining in the present embodiment is by adopting Split type structure, simultaneously to split after
The shape size of friction piece be defined, ensureing drum brake lining braking ability and to install complexity change less
Under the premise of, improve the uneven situation of the drum brake lining compacting of current powdered metallurgical material, improve powder metallurgy material
The stability of the drum brake lining performance of material, beneficial to the drum brake lining popularization and application of the type.
2., in the drum brake lining that the present invention provides, it is provided with gap between adjacent two friction pieces, gap meansigma methodss d exist
In the range of 1mm to 4mm, between so adjacent two friction pieces, the effect of a chip area is just played in the gap of setting, is conducive to rubbing
Wipe the discharge of granule, it helps the diffusion of frictional heat, effectively reduce brake temperature.
3. in the drum brake lining that the present invention provides, sub- liner also includes installing plate, coordinates with the intrados of friction piece,
For realizing the fixation of sub- liner, the stability being so arranged on sub- liner on brake-shoe is more preferable.
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.In the accompanying drawings：
Fig. 1 is the structural representation of drum brake lining in embodiment of the present invention；
Fig. 2 is the front view of drum brake lining shown in Fig. 1；
Fig. 3 is the top view of drum brake lining described in Fig. 1.
Wherein, the reference in above-mentioned accompanying drawing is：
10- liner；11- friction piece；113- intrados；115- extrados；117- riveted holes；12- steel back.
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.
Embodiment 1
As shown in Figure 1 to Figure 3, Split type structure is employed according to the drum brake lining of the present embodiment, specifically include multiple
Sub- liner 10, sub- liner 10 includes the friction piece 11 made using powdered metallurgical material, friction piece 11 have for brake drum
The extrados 115 of cooperation, the length value L along brake drum axial direction for the friction piece 11 and the average arc length along brake drum circumferential direction
Value D ratio value scope is 2:1 to 6:Between 1, thus the drum brake lining in the present embodiment is by adopting Split type structure, simultaneously
The shape size of the friction piece 11 after split is defined, is ensureing drum brake lining braking ability and complexity is installed
Under the premise of change is less, improves the uneven situation of the drum brake lining compacting of current powdered metallurgical material, improve
The stability of the drum brake lining performance of powdered metallurgical material, beneficial to the drum brake lining popularization and application of the type.Simultaneously
In the manufacturing, due to reducing friction piece 11 volume, in the case that pressure is constant, greatly reduce pressing pressure,
Reduce the requirement Manufacturing cost to press device performance.
It should be noted that, with further reference to Fig. 3, in the embodiment of the present invention, friction piece 11 is had for being coordinated with shoe brake
Intrados 113 and for the extrados 115 with brake drum cooperation, mean arc long value D refers to along along brake drum circumferential direction
Cambered surface 113 and the average arc length of extrados 115.Wherein, the arc length value of intrados 113 and the arc length value of extrados 115 there is also
The arc length value of equal or intrados 113 is less than the arc length value situation of extrados 115, concrete needs needing according to compacting and right
The mould answered is determined.
As shown in figure 3, in the drum brake lining of the embodiment of the present invention, being provided with gap between adjacent two friction pieces 11,
In the range of 1mm to 4mm, between so adjacent two friction pieces 11, the gap of setting just plays one to meansigma methodss d in gap simultaneously
The effect of chip area, is conducive to the discharge of friction particles, it helps the diffusion of frictional heat, effectively reduces brake temperature.
Specifically, the sub- liner 10 in the embodiment of the present invention also includes the steel back 12 as installing plate, steel back 12 and friction
The intrados 113 of body 11 coordinates, and facilitates implementation the fixation of sub- liner 10, is so arranged on the stability of sub- liner 10 on brake-shoe
More preferably, wherein, friction piece 11 is fixed in steel back 12 it is ensured that sub- liner 10 reliability of structure in the way of high temperature sintering.
As depicted in figs. 1 and 2, in the drum brake lining of the present embodiment, friction piece 11 is provided with riveted holes 117,
For the installation of subsequent child liner 10, wherein, riveted holes 117 are compressing with friction piece 11 one, more easy during manufacture.
Embodiment 2
A kind of drum brake is also provided, including shoe brake and the drum being arranged on shoe brake in the embodiment of the present invention
Formula brake lining, drum brake lining is drum brake lining as above, thus the drum brake of the embodiment of the present invention
There is reliability high, the advantage of good stability.
Drum brake, due to how to make shoe brake expand outwardly using drive mechanism, compresses drum brake lining and braking
Drum cooperation obtains brake force, and shoe brake has main stress portion during braking and auxiliary forced section, drum-type in the embodiment of the present invention
In brake lining, by arrange friction piece 11 along brake drum axial direction length value L with average along brake drum circumferential direction
The ratio value of arc length value D is different, and the ratio value being arranged on the friction piece 11 in main stress portion is less than the friction being arranged on auxiliary forced section
The ratio value of body 11, that is, the size of the drum brake lining in main stress portion be more than auxiliary forced section drum brake lining size,
Improve the drum brake big situation of main stress portion wear extent in the course of the work, drum brake weares and teares in the course of the work
Uniformly, improve stability and the service life of drum brake.
Preferably, in drum brake in the embodiment of the present invention, shoe brake has main stress portion and auxiliary forced section, phase
Gap between adjacent two friction pieces 11, is arranged on the gap between adjacent two friction pieces 11 in main stress portion and is less than and be arranged on
Gap between adjacent two friction pieces 11 of auxiliary forced section.Drum brake main stress portion in the course of the work so can be improved
The big situation of wear extent, drum brake even wearing in the course of the work, improve stability and the use of drum brake
Life-span.
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, it is characterised in that described drum brake lining is Split type structure, includes many individual sub- liners
(10), described sub- liner (10) includes the friction piece (11) made using powdered metallurgical material, and described friction piece (11) has use
In the extrados (115) coordinating with brake drum, described friction piece (11) is along the length value L of described brake drum axial direction and along institute
State the mean arc long value D ratio value scope of brake drum circumferential direction 2:1 to 6:Between 1.
2. drum brake lining according to claim 1 is it is characterised in that arrange between friction piece (11) described in adjacent two
There is gap, described gap meansigma methodss d are in the range of 1mm to 4mm.
3. drum brake lining according to claim 1 it is characterised in that described friction piece (11) have for braking
The intrados (113) of shoe plate cooperation, the arc length value of described intrados (113) is equal with the arc length value of described extrados (115).
4. drum brake lining according to claim 1 it is characterised in that described friction piece (11) have for braking
The intrados (113) of shoe plate cooperation, the arc length value of described intrados (113) is less than the arc length value of described extrados (115).
5. the drum brake lining according to claim 3 or 4 is it is characterised in that described sub- liner (10) also includes installing
Plate, intrados (113) cooperation with described friction piece (11), it is used for realizing the fixation of described sub- liner (10).
6. drum brake lining according to claim 5, it is characterised in that described installing plate is steel back (12), described rubs
Rub body (11) is fixed in described steel back (12) in the way of high temperature sintering.
7. drum brake lining according to any one of claim 1 to 6 is it is characterised in that on described friction piece (11)
It is provided with riveted holes (117), described riveted holes (117) are integrally compressing with described friction piece (11).
8. a kind of drum brake, including shoe brake and the drum brake lining being arranged on described shoe brake, its feature
It is, described drum brake lining is the drum brake lining any one of claim 1 to 7.
9. drum brake according to claim 8 is it is characterised in that the master having on described shoe brake during braking is subject to
Power portion and auxiliary forced section, the described friction piece (11) in described drum brake lining is along the length value of described brake drum axial direction
L is different from the ratio value of the mean arc long value D along described brake drum circumferential direction, is arranged on the described friction in described main stress portion
The described ratio value of body (11) is less than the described ratio value of the described friction piece (11) being arranged on described auxiliary forced section.
10. drum brake according to claim 8 it is characterised in that have on described shoe brake main stress portion and
Auxiliary forced section, the gap between friction piece (11) described in adjacent two, rub described in be arranged on described main stress portion adjacent two
Gap between rub body (11) is less than the gap being arranged between the friction piece described in adjacent two (11) of described auxiliary forced section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082874.1A CN106438786A (en) | 2016-11-30 | 2016-11-30 | Drum brake lining and drum brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082874.1A CN106438786A (en) | 2016-11-30 | 2016-11-30 | Drum brake lining and drum brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438786A true CN106438786A (en) | 2017-02-22 |
Family
ID=58223206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611082874.1A Pending CN106438786A (en) | 2016-11-30 | 2016-11-30 | Drum brake lining and drum brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117490868A (en) * | 2023-12-29 | 2024-02-02 | 杭州杭叉桥箱有限公司 | Multi-point temperature real-time detection system for forklift brake |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500863Y (en) * | 2001-09-19 | 2002-07-17 | 乐清市粉末冶金厂 | Powder metallurgy brake-shoe for rail motor car set |
| CN201043582Y (en) * | 2007-04-02 | 2008-04-02 | 成都市川盛贸易有限公司 | Brake-shoe assembly |
| CN102022466A (en) * | 2009-09-16 | 2011-04-20 | 重庆江洲粉末冶金科技有限公司 | Fiber-type dual metal powder metallurgy brake block |
| 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 |
| DE202014104243U1 (en) * | 2014-09-09 | 2014-09-18 | Jiaxing City Ruibei Machinery Co., Ltd. | A brake shoe for automobiles |
| CN206280420U (en) * | 2016-11-30 | 2017-06-27 | 北京天宜上佳新材料股份有限公司 | drum brake lining and drum brake |
-
2016
- 2016-11-30 CN CN201611082874.1A patent/CN106438786A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500863Y (en) * | 2001-09-19 | 2002-07-17 | 乐清市粉末冶金厂 | Powder metallurgy brake-shoe for rail motor car set |
| CN201043582Y (en) * | 2007-04-02 | 2008-04-02 | 成都市川盛贸易有限公司 | Brake-shoe assembly |
| CN102022466A (en) * | 2009-09-16 | 2011-04-20 | 重庆江洲粉末冶金科技有限公司 | Fiber-type dual metal powder metallurgy brake block |
| 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 |
| DE202014104243U1 (en) * | 2014-09-09 | 2014-09-18 | Jiaxing City Ruibei Machinery Co., Ltd. | A brake shoe for automobiles |
| CN206280420U (en) * | 2016-11-30 | 2017-06-27 | 北京天宜上佳新材料股份有限公司 | drum brake lining and drum brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117490868A (en) * | 2023-12-29 | 2024-02-02 | 杭州杭叉桥箱有限公司 | Multi-point temperature real-time detection system for forklift brake |
| CN117490868B (en) * | 2023-12-29 | 2024-03-22 | 杭州杭叉桥箱有限公司 | Multi-point temperature real-time detection system for forklift brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
| RJ01 | Rejection of invention patent application after publication |