WO2011044779A1 - Brake drum of car with grid reinforced ribs - Google Patents
Brake drum of car with grid reinforced ribs Download PDFInfo
- Publication number
- WO2011044779A1 WO2011044779A1 PCT/CN2010/074504 CN2010074504W WO2011044779A1 WO 2011044779 A1 WO2011044779 A1 WO 2011044779A1 CN 2010074504 W CN2010074504 W CN 2010074504W WO 2011044779 A1 WO2011044779 A1 WO 2011044779A1
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- WO
- WIPO (PCT)
- Prior art keywords
- brake drum
- reinforcing ribs
- automobile
- drum
- grid
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/10—Drums for externally- or 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
- F16D2065/13—Parts or details of discs or drums
- F16D2065/1304—Structure
- F16D2065/1332—Structure external ribs, e.g. for cooling or reinforcement
Definitions
- the invention relates to an automobile brake drum, in particular to an automobile brake drum with a mesh reinforcement.
- the brake drums of automobile brake drums produced at home and abroad are mostly smooth outer surfaces, and some products have outer surfaces provided with a plurality of ribs whose directions are parallel to the axial direction of the brake drum of the automobile.
- the drum has the following shortcomings:
- the strength is low, the drum body is prone to fatigue cracking, which causes an accident of brake failure, and the longitudinal ribs have no reinforcing effect.
- a brake drum provided with longitudinal ribs on the outer surface has no effect on reinforcing the mechanical strength of the drum, although the heat dissipation area of the drum is increased.
- the longitudinal ribs 4 are parallel to the drum axis 5 .
- the resulting fracture cracks 6 are located between the longitudinal ribs 4, so that the direction of the crack 6 is also substantially the same as the rib 4 (and The drum axis 5) is distributed in parallel, so the longitudinal ribs 4 do not function to increase the strength of the drum.
- the object of the present invention is to overcome the deficiencies of the prior art and provide a novel automobile brake drum, which can obviously improve the strength and rigidity of the drum body, has better heat dissipation effect, and ensures good braking performance. High driving safety.
- An automobile brake drum with a mesh reinforcing rib which comprises a brake drum body on the outer circumferential surface of the brake drum body A grid-like rib is provided.
- the direction of the force of the brake drum is outwardly rounded from the inner surface of the workpiece, so that the direction of the crack 5 generated is also substantially parallel to the axis 4 of the drum. Since the mesh-shaped reinforcing ribs surround the surface of the drum body, and the reinforcing ribs therein are not all parallel to the drum axis 4, the mesh-shaped reinforcing ribs can effectively increase the strength of the drum body and can prevent Destruction of crack 5 and deformation of the drum.
- the grid-like ribs can be continuously distributed throughout the outer circumference of the drum, so there is no break in the middle, which can better enhance the effect.
- the grid-like ribs are composed of a plurality of annular reinforcing ribs perpendicular to the axis of the drum core and a plurality of strip-shaped reinforcing ribs parallel to the axis of the drum core.
- the strip-shaped ribs which are partially parallel to the axis, can also better prevent the deformation of the drum body.
- the annular reinforcing ribs and the strip-shaped reinforcing ribs have a semicircular, triangular, trapezoidal or rectangular cross section.
- the brake drum body is provided with 2 to 6 annular reinforcing ribs and 4 to 30 strip-shaped reinforcing ribs.
- the mesh ribs are integrally molded with the brake drum body.
- the present invention has the following advantages over the prior art automobile brake drum: (1) Since the mesh-shaped reinforcing rib is provided on the outer circumferential surface of the brake drum body, the strength and rigidity of the brake drum body are high, The drum body is not prone to fatigue cracking; (2) the heat dissipation area is increased, so that the brake drum of the automobile is well cooled, the heat generated by the brake is dissipated quickly, and the braking effect of the brake drum of the automobile is maintained; (3) in use Because of the grid-shaped ribs, the brake drum of the automobile is not easy to be deformed, and does not affect the fit between the brake shoes of the automobile and the brake drum of the automobile, thereby improving the braking effect; (4) Because the present invention is provided with a grid-like reinforcement Reinforcement By adding the strength of the brake drum of the automobile, the thickness of the brake drum wall of the automobile can be appropriately reduced during production to achieve weight reduction.
- FIG. 1 is a schematic perspective view showing a three-dimensional structure of an automobile brake drum with a mesh reinforcing rib;
- Fig. 2 is a cross-sectional view showing four kinds of cross-section of the annular reinforcing rib and the strip reinforcing rib constituting the mesh reinforcing rib;
- Fig. 3 is a schematic view of the brake drum with the longitudinal rib and the breaking crack.
- an automobile brake drum with a mesh reinforcing rib includes a brake drum body 1 , and a grid-like reinforcing rib is disposed on an outer circumferential surface of the brake drum body 1 .
- the lattice ribs are composed of four annular reinforcing ribs 2 perpendicular to the axis of the drum drum body and twenty-four strip-shaped reinforcing ribs 3 parallel to the axis of the drum core.
- the number of reinforcing ribs can be selected by those skilled in the art according to actual conditions, such as 2 to 6 annular reinforcing ribs and 4 to 30 strip reinforcing ribs.
- the four kinds of cross-sectional shapes of the annular reinforcing rib 2 and the strip-shaped reinforcing rib 3 constituting the mesh reinforcing ribs are semicircular, triangular, trapezoidal and rectangular, respectively. Actual application is only four commonly used shapes, and the scope of protection of the present invention is not limited to the above-mentioned shapes, and any shape that can be realized by those skilled in the art to achieve the effects of the present invention belongs to the protection scope of the present invention. .
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A brake drum of a car with grid reinforced ribs is provided. The brake drum comprises a brake drum body (1) and is provided with grid reinforced ribs on the outer circumference surface of the brake drum body (1). The grid reinforced ribs are composed of several annular reinforced ribs (2) vertical to the axis of the brake drum body (1) and several strip reinforced ribs (3) parallel to the axis of the brake drum body (1). Said grid reinforced ribs can improve the intensity of the brake drum and increase the radiating area of the brake drum.
Description
说 明 书 带网格加强筋的汽车制动鼓 技术领域 Description: Automotive brake drum with grid reinforcement
本发明涉及汽车制动鼓， 具体涉及一种带网格加强筋的汽车制动鼓。 背景技术 The invention relates to an automobile brake drum, in particular to an automobile brake drum with a mesh reinforcement. Background technique
目前， 国内外生产使用的汽车制动鼓鼓体大部分为光滑外表面，有部分产 品的外表面设置有若干条方向与汽车制动鼓的轴向平行的筋条，这种结构的制 动鼓存在以下不足： At present, the brake drums of automobile brake drums produced at home and abroad are mostly smooth outer surfaces, and some products have outer surfaces provided with a plurality of ribs whose directions are parallel to the axial direction of the brake drum of the automobile. The drum has the following shortcomings:
( 1 ) 强度低、 鼓体容易发生疲劳开裂， 从而引起制动失灵发生事故， 纵 向筋对此毫无加强作用。在外表面设置有纵向筋条的制动鼓， 虽然增加了鼓体 的散热面积， 但是其对加强鼓体机械强度毫无作用。 如图 3中所示， 纵向筋条 4与鼓体轴线 5是相平行的。 因制动鼓工作时的受力方向是由工件内圓表面向 外圓，从而产生的破坏裂纹 6都是位于各纵向筋条 4之间， 因此裂纹 6的走向 也基本与筋条 4 (和鼓体轴线 5 )呈平行分布， 所以纵向筋条 4起不到增加鼓 体强度的作用。 (1) The strength is low, the drum body is prone to fatigue cracking, which causes an accident of brake failure, and the longitudinal ribs have no reinforcing effect. A brake drum provided with longitudinal ribs on the outer surface has no effect on reinforcing the mechanical strength of the drum, although the heat dissipation area of the drum is increased. As shown in Figure 3, the longitudinal ribs 4 are parallel to the drum axis 5 . Since the direction of the force of the brake drum is outwardly rounded from the inner surface of the workpiece, the resulting fracture cracks 6 are located between the longitudinal ribs 4, so that the direction of the crack 6 is also substantially the same as the rib 4 (and The drum axis 5) is distributed in parallel, so the longitudinal ribs 4 do not function to increase the strength of the drum.
( 2 )散热差， 制动产生的热量散发慢， 从而汽车制动鼓和汽车制动蹄升 温快速， 降低了摩擦系数， 影响了制动效果。 (2) The heat dissipation is poor, and the heat generated by the brake is dissipated slowly, so that the brake drum of the automobile and the brake shoe of the automobile are heated quickly, the friction coefficient is lowered, and the braking effect is affected.
( 3 )在使用中， 由于热量和制动力的作用， 汽车制动鼓极易产生形变， 影响汽车制动蹄与汽车制动鼓的贴合， 降低制动效果。 (3) In use, due to the effect of heat and braking force, the brake drum of the automobile is easily deformed, which affects the fit of the brake shoe of the automobile and the brake drum of the automobile, and reduces the braking effect.
发明内容 Summary of the invention
本发明的目的在于克服现有技术的不足， 提供一种新型的汽车制动鼓， 它 可明显提高鼓体的强度和刚度， 具有较好的散热效果， 确保制动性能良好， 提
高行车安全性能。 The object of the present invention is to overcome the deficiencies of the prior art and provide a novel automobile brake drum, which can obviously improve the strength and rigidity of the drum body, has better heat dissipation effect, and ensures good braking performance. High driving safety.
为了实现上述发明的目的， 本发明提供了一种如下的技术方案： 一种带网 格加强筋的汽车制动鼓， 它包括制动鼓鼓体，在制动鼓鼓体的外圓周表面上设 置有网格状加强筋。 通常制动鼓工作时的受力方向是由工件内圓表面向外圓， 从而产生的破坏裂纹 5的走向也基本与鼓体轴线 4呈平行分布。由于该网格状 加强筋围绕在鼓体表面， 并其中的加强筋并不都与鼓体轴线 4相平行， 所以该 网格状加强筋可以有效的起到增加鼓体强度的作用，能够防止破坏裂纹 5的产 生以及鼓体的变形。 In order to achieve the object of the above invention, the present invention provides the following technical solution: An automobile brake drum with a mesh reinforcing rib, which comprises a brake drum body on the outer circumferential surface of the brake drum body A grid-like rib is provided. Generally, the direction of the force of the brake drum is outwardly rounded from the inner surface of the workpiece, so that the direction of the crack 5 generated is also substantially parallel to the axis 4 of the drum. Since the mesh-shaped reinforcing ribs surround the surface of the drum body, and the reinforcing ribs therein are not all parallel to the drum axis 4, the mesh-shaped reinforcing ribs can effectively increase the strength of the drum body and can prevent Destruction of crack 5 and deformation of the drum.
该网格状加强筋可以是连贯分布于整个鼓体外圓周面，因此中间没有断开 处， 这样可以更好的起到加强作用。 The grid-like ribs can be continuously distributed throughout the outer circumference of the drum, so there is no break in the middle, which can better enhance the effect.
该网格状加强筋由与制动鼓鼓体轴线垂直的多个环形加强筋和与制动鼓 鼓体轴线平行的若干条状加强筋构成。当该网格状加强筋中有部分加强筋是与 制动鼓鼓体轴线呈垂直分布时， 其起到的鼓体加强作用效果更佳。部分与轴线 平行的条状加强筋也能更好的起到防止鼓体变形的作用。 The grid-like ribs are composed of a plurality of annular reinforcing ribs perpendicular to the axis of the drum core and a plurality of strip-shaped reinforcing ribs parallel to the axis of the drum core. When a part of the reinforcing ribs of the mesh-shaped reinforcing ribs are vertically distributed with the axis of the drum drum body, the drum body reinforcing effect is better. The strip-shaped ribs, which are partially parallel to the axis, can also better prevent the deformation of the drum body.
所述环形加强筋和条状加强筋的横截面为半圓形、 三角形、 梯形或矩形。 在所述制动鼓鼓体上设置有 2 ~ 6个环形加强筋和 4 ~ 30个条状加强筋。 所述网格状加强筋与制动鼓鼓体铸造为一体。 The annular reinforcing ribs and the strip-shaped reinforcing ribs have a semicircular, triangular, trapezoidal or rectangular cross section. The brake drum body is provided with 2 to 6 annular reinforcing ribs and 4 to 30 strip-shaped reinforcing ribs. The mesh ribs are integrally molded with the brake drum body.
本发明相对于现有技术的汽车制动鼓具有如下优点： （1 ) 由于在制动鼓 鼓体的外圓周表面上设置有网格状加强筋，使得制动鼓鼓体强度和刚度高、鼓 体不容易发生疲劳开裂； （2 )增加了散热面积， 使得汽车制动鼓散热好， 制 动产生的热量散发快， 保持了汽车制动鼓良好的制动效果； （ 3 )在使用中， 由于设置网格状加强筋， 汽车制动鼓不易产生形变， 不会影响汽车制动蹄与汽 车制动鼓的贴合， 提高制动效果； （4 ) 由于本发明设置了网格状加强筋， 增
加了汽车制动鼓的强度，在生产时就可以适当的减少汽车制动鼓壁厚度， 实现 轻量化。 The present invention has the following advantages over the prior art automobile brake drum: (1) Since the mesh-shaped reinforcing rib is provided on the outer circumferential surface of the brake drum body, the strength and rigidity of the brake drum body are high, The drum body is not prone to fatigue cracking; (2) the heat dissipation area is increased, so that the brake drum of the automobile is well cooled, the heat generated by the brake is dissipated quickly, and the braking effect of the brake drum of the automobile is maintained; (3) in use Because of the grid-shaped ribs, the brake drum of the automobile is not easy to be deformed, and does not affect the fit between the brake shoes of the automobile and the brake drum of the automobile, thereby improving the braking effect; (4) Because the present invention is provided with a grid-like reinforcement Reinforcement By adding the strength of the brake drum of the automobile, the thickness of the brake drum wall of the automobile can be appropriately reduced during production to achieve weight reduction.
附图说明 DRAWINGS
图 1为本发明带网格加强筋的汽车制动鼓立体结构示意图； 1 is a schematic perspective view showing a three-dimensional structure of an automobile brake drum with a mesh reinforcing rib;
图 2为构成网格加强筋的环形加强筋和条状加强筋的四种横断面剖切图； 图 3为带有纵向筋条和破坏裂纹的制动鼓示意图。 Fig. 2 is a cross-sectional view showing four kinds of cross-section of the annular reinforcing rib and the strip reinforcing rib constituting the mesh reinforcing rib; Fig. 3 is a schematic view of the brake drum with the longitudinal rib and the breaking crack.
具体实施方式 detailed description
下面结合附图和具体实施例对本发明做进一步说明。 The invention will be further described below in conjunction with the drawings and specific embodiments.
如图 1所示， 一种带网格加强筋的汽车制动鼓， 它包括制动鼓鼓体 1 , 在 制动鼓鼓体 1的外圓周表面上设置有网格状加强筋，该网格状加强筋由与制动 鼓鼓体轴线垂直的四个环形加强筋 2 和与制动鼓鼓体轴线平行的二十四个条 状加强筋 3构成。加强筋的数量，本领域技术人员可以根据实际情况自行选择， 如可以为 2 ~ 6个环形加强筋、 4 ~ 30个条状加强筋。 As shown in FIG. 1 , an automobile brake drum with a mesh reinforcing rib includes a brake drum body 1 , and a grid-like reinforcing rib is disposed on an outer circumferential surface of the brake drum body 1 . The lattice ribs are composed of four annular reinforcing ribs 2 perpendicular to the axis of the drum drum body and twenty-four strip-shaped reinforcing ribs 3 parallel to the axis of the drum core. The number of reinforcing ribs can be selected by those skilled in the art according to actual conditions, such as 2 to 6 annular reinforcing ribs and 4 to 30 strip reinforcing ribs.
如图 2所示，构成网格加强筋的环形加强筋 2和条状加强筋 3的四种横断 面形状， 这四种形状分别是半圓形、 三角形、 梯形和矩形。 实际应用这只是四 种常用的形状， 本发明的保护范围不仅仅局限于上述这几种形状， 只要是本领 域技术人员能够设想到的实现本发明效果的任何形状，均属于本发明的保护范 围。
As shown in Fig. 2, the four kinds of cross-sectional shapes of the annular reinforcing rib 2 and the strip-shaped reinforcing rib 3 constituting the mesh reinforcing ribs are semicircular, triangular, trapezoidal and rectangular, respectively. Actual application is only four commonly used shapes, and the scope of protection of the present invention is not limited to the above-mentioned shapes, and any shape that can be realized by those skilled in the art to achieve the effects of the present invention belongs to the protection scope of the present invention. .
Claims
1. 一种汽车制动鼓， 它包括制动鼓鼓体（1 ), 其特征在于： 在制动鼓鼓 体（1 ) 的外圓周表面上设置有网格状加强筋 （2、 3 )。 An automobile brake drum comprising a brake drum body (1), characterized in that: grid-shaped reinforcing ribs (2, 3) are provided on an outer circumferential surface of the brake drum body (1) .
2. 按照权利要求 1所述的汽车制动鼓，其特征在于： 该网格状加强筋（2、 3 )由与制动鼓鼓体轴线垂直的多个环形加强筋（ 2 )和与制动鼓鼓体轴线平行 的多条状加强筋 （3 )构成。 2. The automobile brake drum according to claim 1, wherein: the grid-like reinforcing ribs (2, 3) are formed by a plurality of annular reinforcing ribs (2) perpendicular to the axis of the drum shaft of the brake drum. The plurality of reinforcing ribs (3) parallel to the axis of the drum body are formed.
3. 按照权利要求 2所述的汽车制动鼓， 其特征在于： 该网格状加强筋连 贯分布于整个鼓体外圓周面。 The automobile brake drum according to claim 2, wherein the grid-like reinforcing ribs are continuously distributed throughout the outer circumferential surface of the drum.
4. 按照权利要求 1所述的汽车制动鼓， 其特征在于： 该网格状加强筋连 贯分布于整个鼓体外圓周面。 4. The automobile brake drum according to claim 1, wherein: the mesh-shaped reinforcing ribs are continuously distributed throughout the outer circumferential surface of the drum.
5. 按照权利要求 1至 4任一项所述的汽车制动鼓， 其特征在于： 所述环 形加强筋 （2 )和 /或条状加强筋 （3 ) 的横截面为半圓形、 三角形、 梯形或矩 形。 The automobile brake drum according to any one of claims 1 to 4, characterized in that: the annular reinforcing rib (2) and/or the strip reinforcing rib (3) have a semicircular cross section and a triangular cross section. , trapezoidal or rectangular.
6. 按照权利要求 5所述的汽车制动鼓， 其特征在于： 在所述制动鼓鼓体 上设置有 2 ~ 6个环形加强筋 （ 2 )和 4 ~ 30个条状加强筋 （ 3 )0 6. The automobile brake drum according to claim 5, wherein: 2 to 6 annular reinforcing ribs (2) and 4 to 30 strip-shaped reinforcing ribs are disposed on the brake drum body (3) ) 0
7. 按照权利要求 5所述的汽车制动鼓， 其特征在于： 所述网格状加强筋 ( 2、 3 )与制动鼓鼓体（1 ) 为一体成型。 The automobile brake drum according to claim 5, characterized in that: the grid-like reinforcing ribs (2, 3) are integrally formed with the brake drum body (1).
8. 按照权利要求 1至 4任一项所述的汽车制动鼓， 其特征在于： 在所述 制动鼓鼓体上设置有 2 ~ 6个环形加强筋 （ 2 )和 4 ~ 30个条状加强筋 （ 3 )0 The automobile brake drum according to any one of claims 1 to 4, characterized in that: 2 to 6 annular reinforcing ribs (2) and 4 to 30 strips are arranged on the brake drum body. Reinforcing ribs ( 3 ) 0
9. 按照权利要求 1至 4任一项所述的汽车制动鼓， 其特征在于： 所述网 格状加强筋 （2、 3 ) 与制动鼓鼓体（1 ) 为一体成型。 The automobile brake drum according to any one of claims 1 to 4, characterized in that the mesh-shaped reinforcing ribs (2, 3) are integrally formed with the brake drum body (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910181185XA CN101713444B (en) | 2009-10-14 | 2009-10-14 | Automobile brake drum with latticed stiffeners |
| CN200910181185.X | 2009-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011044779A1 true WO2011044779A1 (en) | 2011-04-21 |
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ID=42417342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2010/074504 WO2011044779A1 (en) | 2009-10-14 | 2010-06-25 | Brake drum of car with grid reinforced ribs |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101713444B (en) |
| WO (1) | WO2011044779A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713444B (en) * | 2009-10-14 | 2012-05-02 | 杨东洲 | Automobile brake drum with latticed stiffeners |
| CN103192034B (en) * | 2013-03-26 | 2015-03-25 | 山东宏马工程机械有限公司 | Integrated casting technology for braking drum with anti-cracking annular reinforcement rib for vehicle |
| CN105090293A (en) * | 2014-05-17 | 2015-11-25 | 彭松桂 | Brake drum embedded with steel wire mesh and manufacturing method thereof |
| WO2016033991A1 (en) * | 2014-09-01 | 2016-03-10 | 山东浩信机械有限公司 | Brake drum |
| WO2016112604A1 (en) * | 2015-01-13 | 2016-07-21 | 山东浩信机械有限公司 | Brake drum |
| CN105114491A (en) * | 2015-09-20 | 2015-12-02 | 玉林市远航铸造有限公司 | Heat dissipation reinforced type brake drum |
| CN110500370B (en) * | 2019-07-22 | 2020-11-27 | 扬州市汉讯科技有限公司 | Electromagnetic ventilation drum brake |
| CN114851079B (en) * | 2022-06-21 | 2023-05-23 | 合肥江淮铸造有限责任公司 | Automobile brake drum processing positioning structure and processing device thereof |
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| CN201561079U (en) * | 2009-10-14 | 2010-08-25 | 杨东洲 | Automobile brake drum with grid reinforcing rib |
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| CN1644950A (en) * | 2004-12-15 | 2005-07-27 | 吉林大学 | Braking drum with bionic non-smooth surface |
| CN200978900Y (en) * | 2006-08-10 | 2007-11-21 | 杨晋 | Automobile brake hub |
| CN101713444A (en) * | 2009-10-14 | 2010-05-26 | 杨东洲 | Automobile brake drum with latticed stiffeners |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101713444A (en) | 2010-05-26 |
| CN101713444B (en) | 2012-05-02 |
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