CN201991974U - Spherical centering isobaric floating brake lining for rapid trains - Google Patents
Spherical centering isobaric floating brake lining for rapid trains Download PDFInfo
- Publication number
- CN201991974U CN201991974U CN2011200990056U CN201120099005U CN201991974U CN 201991974 U CN201991974 U CN 201991974U CN 2011200990056 U CN2011200990056 U CN 2011200990056U CN 201120099005 U CN201120099005 U CN 201120099005U CN 201991974 U CN201991974 U CN 201991974U
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- Prior art keywords
- sphere
- lower pair
- support
- rocking bar
- brake lining
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Abstract
The utility model discloses a spherical centering isobaric floating brake for rapid trains, which comprises a support, a rocking rod and a friction block and is characterized in that the support is arranged on the right side of the rocking rod through a first spherical lower pair, and the friction block is arranged on the left side of the rocking rod through a second spherical lower pair. The spherical centering isobaric floating brake lining for the rapid trains has the advantages that during usage, the friction block is in a balanced floating state relative to the rocking rod, and the rocking rod is in a balanced floating state relative to the support, and a slight swing can be produced so that the friction block on the brake lining is stressed evenly, distortion caused by local overheating of the brake lining is avoided, service life of the brake lining is effectively prolonged, and brake performance of the rapid trains can be effectively improved. Due to a lubrication groove used for storing lubricating oil arranged on indented spherical surfaces of the first spherical lower pair and the second spherical lower pair, lubricating effects of spherical lower pairs are improved, thereby being convenient to process the indented spherical surfaces and prolonging service life of the indented spherical surfaces.
Description
Technical field
The utility model has related to the parts in a kind of high-speed train braking system, particularly a kind of sphere isobaric floating type bullet train brake lining of feeling relieved.
Background technique
Along with the raising speed by a large scale of China railways system and coming into operation of Harmony high speed motor car, to the high-speed train braking demands for higher performance.Brake lining is bearing complicated thermal stress and very high brake load when braking at a high speed, cause the brake lining thermal fatigue easily, and then produces spot corrosion, is out of shape the phenomenon that comes off.The brake pad that uses all is to be fixed together by welding, riveted way and brake lining mounting plate by the sintered alloy brake pad at present, because brake disc radial line speed difference causes the brake pad unbalance stress to produce eccentric wear, the frictional heat skewness that the while unbalance stress causes, have a strong impact on brake pad life-span and retardation efficiency, even cause brake lining mounting plate local superheating to be out of shape, cause train braking not steadily, stopping distance is long, has a strong impact on the security and stability of train brake.
The model utility content
Technical problem to be solved in the utility model provides a kind of sphere isobaric floating type bullet train brake lining of feeling relieved, and can effectively eliminate the phenomenon of brake lining local superheating distortion, effectively improves bullet train brake stability.
For solving the problems of the technologies described above, the technological scheme that the utility model adopted is: a kind of sphere isobaric floating type bullet train brake lining of feeling relieved comprises support, rocking bar and brake pad; Described support is located at the rocking bar right side by the first sphere lower pair, and the distance between support left surface and the rocking bar right flank is 0.3mm-1mm; Brake pad is located at the rocking bar left side by the second sphere lower pair, and the distance between brake pad right flank and the rocking bar left surface is 0.3mm-1mm; The protruding sphere top of the described first sphere lower pair is provided with first position limit pin and the first spacing hole Spielpassung of being located at first sphere lower pair concave spherical surface bottom; The protruding sphere top of the described second sphere lower pair is provided with second position limit pin and the second spacing hole Spielpassung of being located at second sphere lower pair concave spherical surface bottom; Also be provided with on the described support and corresponding the 3rd spacing hole in the position of second position limit pin; Described second position limit pin passes behind second spacing hole with the 3rd spacing hole Spielpassung and be provided for limiting the jump ring that it moves axially degrees of freedom on its open end.
Be provided with between described rocking bar and the support and can prevent the sliding pin member that the two rotates mutually, described sliding pin member comprises sliding pin hole that is opened on the support and the sliding pin axle of being located on the rocking bar, and the sliding pin axle cooperates with the sliding pin interporal lacuna.
Described rocking bar comprises three equally distributed spoke shape rocking arms, and the protruding sphere of the described first sphere lower pair is located at spoke shape rocking arm intersection; Be equipped with the concave spherical surface of the described second sphere lower pair that is used to install brake pad on described each rocking arm outer side surface.
Described brake pad end surface shape is a polygonal, brake pad with respect to described support be honeycomb arrangement, each brake pad is separate and have the gap.
The described concave spherical surface that is positioned at the first sphere lower pair on the support and be positioned on the concave spherical surface of the second sphere lower pair on the rocking arm and all offer lubrication groove.
Described support right flank is provided with the counterbore that is used to hold jump ring.
Adopt the beneficial effect that technique scheme produced to be: rocking bar and support, all adopt the sphere lower pair to be connected between brake pad and the rocking bar, and be positioned at be provided with on the protruding sphere of the second sphere lower pair on the brake pad behind second spacing hole that passes on the rocking bar with support on second position limit pin of the 3rd spacing hole Spielpassung, be provided with the jump ring that prevents its axial motion in the second position limit pin end, be positioned at first position limit pin and the first spacing hole Spielpassung of being located on the support on the protruding sphere of the first sphere lower pair on the rocking bar, brake pad all is in the balance quick condition with respect to rocking bar and rocking bar with respect to support in the brake lining using process, and can produce slight swing, make the brake pad stress equalization on the brake lining, can effectively improve the working life of brake lining, also can effectively improve the braking ability of bullet train; The utility model also improves the lubrication effect of sphere lower pair by the lubrication groove that is provided for storing lubricant oil respectively on the concave spherical surface of the first sphere lower pair and the second sphere lower pair, the not only processing of aspect concave spherical surface can also prolong its working life.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the sectional view of this Fig. 1;
Fig. 3 is the partial sectional view of rocking bar;
1, support; 2, rocking bar; 3, brake pad; 4, the protruding sphere of the second sphere lower pair; 5, jump ring; 6, second position limit pin; 7, the protruding sphere of the first sphere lower pair; 8, first position limit pin; 9, counterbore; 10, second spacing hole; 11, the 3rd spacing hole; 12, first spacing hole; 13, sliding pin axle; 14, sliding pin hole; 15, lubrication groove; Further the utility model is described in detail below in conjunction with accompanying drawing.
Embodiment
The isobaric floating type bullet train brake lining of feeling relieved of a kind of sphere as depicted in figs. 1 and 2 comprises support 1, rocking bar 2 and brake pad 3; Described support 1 is located at rocking bar 2 right sides by the first sphere lower pair, and the distance between support 1 left surface and rocking bar 2 right flanks is 0.3mm-1mm; Brake pad 3 is located at rocking bar 2 left sides by the second sphere lower pair, and the distance between brake pad 3 right flanks and rocking bar 2 left surfaces is 0.3mm-1mm; Protruding sphere 7 tops of the described first sphere lower pair are provided with first position limit pin 8 and first spacing hole, 12 Spielpassung of being located at first sphere lower pair concave spherical surface bottom; Protruding sphere 4 tops of the described second sphere lower pair are provided with second position limit pin 6 and second spacing hole, 10 Spielpassung of being located at second sphere lower pair concave spherical surface bottom; Also be provided with on the described support 1 and corresponding the 3rd spacing hole 11 in the position of second position limit pin 6; Described second position limit pin 6 passes second spacing hole 10 back with the 3rd spacing hole 11 Spielpassung and be provided for limiting its jump ring that moves axially degrees of freedom 5 on its open end.
Be provided with between described rocking bar 2 and the support 1 and can prevent the sliding pin member that the two rotates mutually, described sliding pin member comprises sliding pin hole 14 that is opened on the support 1 and the sliding pin axle of being located on the rocking bar 2 13, sliding pin axle 13 and sliding pin hole 14 Spielpassung.
Described rocking bar 2 comprises three equally distributed spoke shape rocking arms (as shown in Figure 3), and the protruding sphere 7 of the described first sphere lower pair is located at spoke shape rocking arm intersection; Be equipped with the concave spherical surface of the described second sphere lower pair that is used to install brake pad 3 on described each rocking arm outer side surface.
Described brake pad 3 end surface shape are polygonal, and it is separate and have a gap that brake pad 3 is honeycomb arrangement, each brake pad 3 with respect to described support 1.
The described concave spherical surface that is positioned at the first sphere lower pair on the support 1 and be positioned on the concave spherical surface of the second sphere lower pair on the rocking arm and all offer lubrication groove.
Described support 1 right flank is provided with the counterbore 9 that is used to hold jump ring 5.
Rocking bar and support, all adopt the sphere lower pair to be connected between brake pad and the rocking bar, and be positioned at be provided with on the protruding sphere of the second sphere lower pair on the brake pad behind second spacing hole that passes on the rocking bar with support on second position limit pin of the 3rd spacing hole Spielpassung, be provided with the jump ring that prevents its axial motion in the second position limit pin end, be positioned at first position limit pin and the first spacing hole Spielpassung of being located on the support on the protruding sphere of the first sphere lower pair on the rocking bar, between support left surface and the rocking bar right flank and the plane clearance that also is provided with 0.3mm-1mm between rocking bar left surface and the brake pad right flank, brake pad all is in the balance quick condition with respect to rocking bar and rocking bar with respect to support in the brake lining using process, and can produce slight swing, make the brake pad stress equalization on the brake lining, effectively prevent the brake lining local superheating and produce the phenomenon of distortion, can effectively improve the working life of brake lining, also can effectively improve the braking ability of bullet train; The utility model is also by improving the lubrication effect of sphere lower pair respectively at the lubrication groove that is provided for storing lubricant oil on the concave spherical surface of the first sphere lower pair and on the concave spherical surface of the second sphere lower pair, not only make things convenient for the processing of concave spherical surface, can also prolong its working life.
Claims (6)
1. a sphere isobaric floating type bullet train brake lining of feeling relieved is characterized in that: comprise support (1), rocking bar (2) and brake pad (3); Described support (1) is located at rocking bar (2) right side by the first sphere lower pair, and the distance between support (1) left surface and rocking bar (2) right flank is 0.3mm-1mm; Brake pad (3) is located at rocking bar (2) left side by the second sphere lower pair, and the distance between brake pad (3) right flank and rocking bar (2) left surface is 0.3mm-1mm; Protruding sphere (7) top of the described first sphere lower pair is provided with first position limit pin (8) and first spacing hole (12) Spielpassung of being located at first sphere lower pair concave spherical surface bottom; Protruding sphere (4) top of the described second sphere lower pair is provided with second position limit pin (6) and second spacing hole (10) Spielpassung of being located at second sphere lower pair concave spherical surface bottom; Also be provided with on the described support (1) and corresponding the 3rd spacing hole in the position of second position limit pin (6) (11); Described second position limit pin (6) passes second spacing hole (10) back with the 3rd spacing hole (11) Spielpassung and be provided for limiting its jump ring that moves axially degrees of freedom (5) on its open end.
2. a kind of sphere according to claim 1 isobaric floating type bullet train brake lining of feeling relieved, it is characterized in that: be provided with between described rocking bar (2) and the support (1) and can prevent the sliding pin member that the two rotates mutually, described sliding pin member comprises the sliding pin hole (14) that is opened on the support (1) and is located at sliding pin axle (13) on the rocking bar (2), sliding pin axle (13) and sliding pin hole (14) Spielpassung.
3. a kind of sphere according to claim 1 and 2 isobaric floating type bullet train brake lining of feeling relieved, it is characterized in that: described rocking bar (2) comprises three equally distributed spoke shape rocking arms, and the protruding sphere (7) of the described first sphere lower pair is located at spoke shape rocking arm intersection; Be equipped with the concave spherical surface of the described second sphere lower pair that is used to install brake pad (3) on described each rocking arm outer side surface.
4. a kind of sphere according to claim 1 isobaric floating type bullet train brake lining of feeling relieved, it is characterized in that: described brake pad (3) end surface shape is a polygonal, brake pad (3) with respect to described support (1) be honeycomb arrangement, each brake pad (3) is separate and have the gap.
5. a kind of sphere according to claim 1 isobaric floating type bullet train brake lining of feeling relieved is characterized in that: described be positioned at the concave spherical surface of the first sphere lower pair on the support (1) and be positioned on the concave spherical surface of the second sphere lower pair on the rocking arm all offer lubrication groove.
6. a kind of sphere according to claim 1 isobaric floating type bullet train brake lining of feeling relieved, it is characterized in that: described support (1) right flank is provided with the counterbore (9) that is used to hold jump ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200990056U CN201991974U (en) | 2011-04-07 | 2011-04-07 | Spherical centering isobaric floating brake lining for rapid trains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200990056U CN201991974U (en) | 2011-04-07 | 2011-04-07 | Spherical centering isobaric floating brake lining for rapid trains |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201991974U true CN201991974U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200990056U Expired - Lifetime CN201991974U (en) | 2011-04-07 | 2011-04-07 | Spherical centering isobaric floating brake lining for rapid trains |
Country Status (1)
| Country | Link |
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| CN (1) | CN201991974U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840259A (en) * | 2012-06-28 | 2012-12-26 | 黄启镇 | Brake pad for vehicle |
| CN103671640A (en) * | 2012-09-18 | 2014-03-26 | 纳博特斯克有限公司 | Disc brake pad and brake caliper device |
| CN108679134A (en) * | 2018-07-17 | 2018-10-19 | 博深工具股份有限公司 | A kind of floating brake brake lining |
| CN108700145A (en) * | 2016-01-13 | 2018-10-23 | 克诺尔轨道车辆***有限公司 | Brake lining for rail vehicle disk brake |
-
2011
- 2011-04-07 CN CN2011200990056U patent/CN201991974U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840259A (en) * | 2012-06-28 | 2012-12-26 | 黄启镇 | Brake pad for vehicle |
| CN103671640A (en) * | 2012-09-18 | 2014-03-26 | 纳博特斯克有限公司 | Disc brake pad and brake caliper device |
| CN103671640B (en) * | 2012-09-18 | 2016-05-11 | 纳博特斯克有限公司 | Disc braking pad and brake tongs device |
| CN108700145A (en) * | 2016-01-13 | 2018-10-23 | 克诺尔轨道车辆***有限公司 | Brake lining for rail vehicle disk brake |
| US10816050B2 (en) | 2016-01-13 | 2020-10-27 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Brake lining for disc brakes of rail vehicles |
| CN108679134A (en) * | 2018-07-17 | 2018-10-19 | 博深工具股份有限公司 | A kind of floating brake brake lining |
| CN108679134B (en) * | 2018-07-17 | 2024-03-08 | 博深工具股份有限公司 | Floating brake pad |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 050035 Yangtze River Avenue 289, Shijiazhuang High-tech Zone, Hebei Province Patentee after: Boshen Co., Ltd. Address before: 050035 Haihedao No. 10, Shijiazhuang Hi-tech Industrial Development Zone, Hebei Province Patentee before: Bosun Tools Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |