CN110541901A - Three-point stress structure of brake caliper body - Google Patents
Three-point stress structure of brake caliper body Download PDFInfo
- Publication number
- CN110541901A CN110541901A CN201910860086.8A CN201910860086A CN110541901A CN 110541901 A CN110541901 A CN 110541901A CN 201910860086 A CN201910860086 A CN 201910860086A CN 110541901 A CN110541901 A CN 110541901A
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- caliper body
- front side
- rear side
- pull
- mounting platform
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- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
- F16D65/095—Pivots or supporting members therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
the invention relates to the technical field of commercial vehicle braking, in particular to a three-point stress structure of a brake caliper body, which comprises a caliper body and a pull plate, wherein the caliper body comprises a caliper body front side, a caliper body rear side, a pull rib and a mounting platform, the caliper body front side is fixedly connected to the caliper body rear side through the pull ribs on two sides, the caliper body front side, the pull rib and the caliper body rear side are integrally formed, the mounting platforms are respectively arranged on the upper end surfaces of the caliper body front side and the caliper body rear side, and a threaded hole is formed in the mounting platform. The lacing wires on the two sides and the pulling plates are uniformly distributed on the stress profile of the caliper body, so that the caliper body is ensured to be uniformly tensioned and normally work without breaking, the stress balance of the friction plate is ensured, the abrasion degree of the working surface is the same, the eccentric wear of the friction plate is effectively avoided, and the service life of the friction plate is prolonged.
Description
Technical Field
the invention relates to the technical field of commercial vehicle braking, in particular to a three-point stress structure of a brake caliper body.
Background
The rotating element in a friction pair of a disc brake is a metal disc working with end faces, called a brake disc. The friction elements clamp the brake disc from both sides to produce braking, called friction pads. The fixed element generally adopts a caliper body and a bracket, the caliper body can move back and forth under the limit of a guide pin, the caliper body is called a floating caliper body, a disc brake is widely applied to cars, most of the cars are used for all wheels, and a few cars are only used as front wheel brakes and are matched with drum brakes of rear wheels, so that the cars have higher direction stability during braking. In commercial vehicles, disc brakes are increasingly being used today in new and high-end vehicle models.
The traditional disc brake caliper body only has the lacing wires on both sides, and the upside does not have boss arm-tie structure, under the effect of braking load, the inhomogeneous condition of caliper body atress appears very easily, leads to the condition that both sides lacing wires tear or caliper body afterbody fracture. Uneven stress can lead to eccentric wear of the friction plate and reduce the service life of the friction plate.
Disclosure of Invention
In order to solve the problems, the invention provides a three-point stress structure of a brake caliper body, which ensures that the friction plates are stressed evenly, the abrasion degrees of working surfaces are the same, and the service lives of the friction plates are prolonged.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
The invention relates to a three-point stress structure of a brake caliper body, which comprises a caliper body and a pulling plate, wherein the caliper body comprises a caliper body front side, a caliper body rear side, a pulling rib and a mounting platform, the caliper body front side is fixedly connected to the caliper body rear side through the pulling ribs on two sides, the caliper body front side, the pulling rib and the caliper body rear side are integrally formed, the mounting platform is respectively arranged on the upper end surfaces of the caliper body front side and the caliper body rear side, a threaded hole is formed in the mounting platform, a through hole matched with the threaded hole is formed in the pulling plate, and the pulling plate is connected between the caliper body front side and the caliper body rear side through threads.
Preferably, the mounting platform is provided with bosses which are integrally formed with the front side of the caliper body and the rear side of the caliper body respectively, the lower side of the pulling plate is provided with a groove corresponding to the boss, and the bosses are inserted into the grooves on the lower side of the pulling plate.
Compared with the prior art, the invention has the beneficial effects that: according to the three-point stress structure of the brake caliper body, the pulling plate is arranged between the front side of the caliper body and the rear side of the caliper body, the caliper body is under tension, the front side of the caliper body and the rear side of the caliper body are forced to deform and expand in a direction away from each other, and at the moment, the pulling ribs on the two sides and the pulling plate on the top can provide reaction force to restrain the outward expansion of the front side of the caliper body and the rear side of the caliper body; the lacing wires on the two sides and the pulling plates are uniformly distributed on the stress profile of the caliper body, so that the caliper body is ensured to be uniformly tensioned and normally work without breaking, the stress balance of the friction plate is ensured, the abrasion degree of the working surface is the same, the eccentric wear of the friction plate is effectively avoided, and the service life of the friction plate is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention after the pulling plate is removed;
Fig. 3 is a test point position mark of the friction plate in the experimental example.
In the figure: the clamp comprises a clamp body 100, a clamp body front side 110, a clamp body rear side 120, a lacing wire 130, a mounting platform 140, a boss 150 and a pulling plate 200.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
referring to fig. 1-2, a preferred embodiment is provided as follows:
a three-point stress structure of a brake caliper body 100 comprises a caliper body 100 and a pulling plate 200, wherein the caliper body 100 comprises a caliper body front side 110, a caliper body rear side 120, a pulling rib 130 and a mounting platform 140, the caliper body front side 110 is fixedly connected to the caliper body rear side 120 through the pulling ribs 130 on two sides, the caliper body front side 110, the pulling rib 130 and the caliper body rear side 120 are integrally forged and formed, the mounting platform 140 is respectively arranged on the upper end faces of the caliper body front side 110 and the caliper body rear side 120, two threaded holes are arranged on the mounting platform 140, through holes matched with the four threaded holes are arranged on the pulling plate 200, the pulling plate 200 is fixedly mounted between the caliper body front side 110 and the caliper body rear side 120 through four bolts, a boss 150 is arranged on the mounting platform 140, the two bosses 150 are respectively integrally formed with the caliper body front side 110 and the caliper body rear side 120, a groove corresponding to the boss 150 is arranged on the lower side of the pulling plate 200, the boss 150 is inserted in the groove on the lower side of, when the pulling plate 200 is retracted, the boss 150 can cooperate with the bolt to further reinforce the pulling plate 200, when the disc brake works, the caliper body 100 is under tension to force the front side 110 and the rear side 120 of the caliper body to deform and expand in a direction away from each other, and at the moment, the pulling ribs 130 on the two sides and the pulling plate 200 on the top provide a reaction force to restrain the outward expansion of the front side 110 and the rear side 120 of the caliper body; the lacing wires 130 on the two sides and the pulling plate 200 are uniformly distributed on the stress profile of the caliper body 100, so that the caliper body 100 is ensured to be under uniform tension and work normally without fracture, the stress balance of the friction plate is ensured, the abrasion degree of the working surface is the same, the eccentric wear of the friction plate is effectively avoided, and the service life of the friction plate is prolonged.
Examples of the experiments
A disc brake having a conventional caliper body 100 is purchased from the market, and a part of the disc brake of the conventional caliper body 100 is mounted on a test car number one;
The structure of the caliper body 100 in the embodiment is utilized to replace the traditional caliper body 100 in the disc brake, a new disc brake is manufactured, and a plurality of new disc brakes are installed on a second test vehicle;
As shown in fig. 3, 6 test points are selected from the friction plate, wherein 1 point, 2 points and 3 points are upper points, 4 points, 5 points and 6 points are lower points, the wear condition of the friction plate is checked once a month, the wear thickness is recorded, the experimental data refer to tables 1 to 2, and it should be noted that the data in the following tables are average values of the data obtained after repeated tests in the same test environment:
TABLE 1 tracking condition mm of wear reduction thickness of friction plate of traditional disc brake of test vehicle I
| 1 point | 2 point | 3 point | 4 points | 5 point | 6 points | |
| The first month | 1.23 | 1.21 | 1.19 | 0.56 | 0.53 | 0.48 |
| Second month of February | 2.37 | 2.38 | 2.31 | 0.73 | 0.81 | 0.83 |
| The third month | 3.54 | 3.61 | 3.55 | 1.11 | 1.09 | 1.05 |
| The fourth month | 4.81 | 4.90 | 4.88 | 1.28 | 1.36 | 1.33 |
| Fifth month | 5.93 | 6.05 | 6.04 | 1.79 | 1.71 | 1.62 |
| The sixth month | 7.20 | 7.09 | 7.26 | 2.03 | 2.01 | 2.11 |
TABLE 2 tracking condition mm of abrasion reduction thickness of new type disc brake friction plate of No. two test vehicle
| 1 point | 2 point | 3 point | 4 points | 5 point | 6 points | |
| The first month | 0.85 | 0.81 | 0.83 | 0.78 | 0.79 | 0.79 |
| Second month of February | 1.56 | 1.58 | 1.56 | 1.50 | 1.52 | 1.51 |
| The third month | 2.44 | 2.45 | 2.43 | 2.37 | 2.31 | 2.36 |
| The fourth month | 3.34 | 3.36 | 3.32 | 3.21 | 3.12 | 3.09 |
| Fifth month | 3.05 | 4.07 | 4.04 | 4.03 | 3.98 | 4.10 |
| the sixth month | 4.90 | 4.96 | 4.99 | 4.81 | 4.81 | 4.79 |
through the real vehicle test, through the data comparison between table 1 to table 2, it can be clearly seen that the wear degrees of 1 point, 2 points and 3 points in table 1 are obviously higher than the wear of 4 points, 5 points and 6 points, and the wear degrees of 1 point, 2 points, 3 points, 4 points, 5 points and 6 points in table 2 are relatively uniform, which indicates that the three-point stress structure of the brake caliper body 100 in the embodiment can effectively solve the eccentric wear problem of the conventional disc brake and prolong the service life of the friction plate.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (2)
1. The three-point stress structure of the brake caliper body is characterized by comprising a caliper body (100) and a pull plate (200), wherein the caliper body (100) comprises a caliper body front side (110), a caliper body rear side (120), a pull rib (130) and a mounting platform (140), the caliper body front side (110) is fixedly connected to the caliper body rear side (120) through the pull ribs (130) on two sides, the caliper body front side (110), the pull rib (130) and the caliper body rear side (120) are integrally formed, the mounting platform (140) is respectively arranged on the upper end faces of the caliper body front side (110) and the caliper body rear side (120), a threaded hole is formed in the mounting platform (140), a through hole matched with the threaded hole is formed in the pull plate (200), and the pull plate (200) is connected between the caliper body front side (110) and the caliper body rear side (120) through four threads.
2. The three-point force structure of a caliper body of a brake as claimed in claim 1, wherein: the clamp is characterized in that bosses (150) are arranged on the mounting platform (140), the two bosses (150) are integrally formed with the front side (110) and the rear side (120) of the clamp body respectively, grooves corresponding to the bosses (150) are formed in the lower side of the pull plate (200), and the bosses (150) are inserted into the grooves in the lower side of the pull plate (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860086.8A CN110541901A (en) | 2019-09-11 | 2019-09-11 | Three-point stress structure of brake caliper body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860086.8A CN110541901A (en) | 2019-09-11 | 2019-09-11 | Three-point stress structure of brake caliper body |
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| Publication Number | Publication Date |
|---|---|
| CN110541901A true CN110541901A (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910860086.8A Pending CN110541901A (en) | 2019-09-11 | 2019-09-11 | Three-point stress structure of brake caliper body |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201314346Y (en) * | 2008-08-27 | 2009-09-23 | 上海通用汽车有限公司 | Automotive bake caliper |
| CN103486161A (en) * | 2013-10-08 | 2014-01-01 | 江苏汤臣汽车零部件有限公司 | Clamping structure for preventing eccentric abrasion of linings of disc brake |
| US20140202811A1 (en) * | 2011-09-22 | 2014-07-24 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Brake Caliper of a Disk Brake for a Utility Vehicle |
| CN104632943A (en) * | 2013-11-07 | 2015-05-20 | 上海汇众汽车制造有限公司 | Disc brake |
| CN204852088U (en) * | 2015-08-05 | 2015-12-09 | 万向钱潮（上海）汽车***有限公司 | Floating pincers dish stopper |
| US20170074338A1 (en) * | 2014-05-26 | 2017-03-16 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Disc Brake, Brake Caliper and Brake Pad Set for a Disc Brake |
| US20170138426A1 (en) * | 2015-11-12 | 2017-05-18 | Bendix Spicer Foundation Brake Llc | Disc Brake and Set of Brake Pads |
| CN108612789A (en) * | 2018-07-16 | 2018-10-02 | 浙江国昌机械有限公司 | The caliper of air-pressure disc brake |
| CN108626272A (en) * | 2018-07-16 | 2018-10-09 | 浙江国昌机械有限公司 | Air-pressure disc type brake clamps assembly |
| CN209196004U (en) * | 2018-10-30 | 2019-08-02 | 长城汽车股份有限公司 | Disc brake with floating caliper and vehicle |
| CN210565918U (en) * | 2019-09-11 | 2020-05-19 | 山东纳赫汽车零部件有限公司 | Three-point stress structure of brake caliper body |
-
2019
- 2019-09-11 CN CN201910860086.8A patent/CN110541901A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201314346Y (en) * | 2008-08-27 | 2009-09-23 | 上海通用汽车有限公司 | Automotive bake caliper |
| US20140202811A1 (en) * | 2011-09-22 | 2014-07-24 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Brake Caliper of a Disk Brake for a Utility Vehicle |
| CN103486161A (en) * | 2013-10-08 | 2014-01-01 | 江苏汤臣汽车零部件有限公司 | Clamping structure for preventing eccentric abrasion of linings of disc brake |
| CN104632943A (en) * | 2013-11-07 | 2015-05-20 | 上海汇众汽车制造有限公司 | Disc brake |
| US20170074338A1 (en) * | 2014-05-26 | 2017-03-16 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Disc Brake, Brake Caliper and Brake Pad Set for a Disc Brake |
| CN204852088U (en) * | 2015-08-05 | 2015-12-09 | 万向钱潮（上海）汽车***有限公司 | Floating pincers dish stopper |
| US20170138426A1 (en) * | 2015-11-12 | 2017-05-18 | Bendix Spicer Foundation Brake Llc | Disc Brake and Set of Brake Pads |
| CN108612789A (en) * | 2018-07-16 | 2018-10-02 | 浙江国昌机械有限公司 | The caliper of air-pressure disc brake |
| CN108626272A (en) * | 2018-07-16 | 2018-10-09 | 浙江国昌机械有限公司 | Air-pressure disc type brake clamps assembly |
| CN209196004U (en) * | 2018-10-30 | 2019-08-02 | 长城汽车股份有限公司 | Disc brake with floating caliper and vehicle |
| CN210565918U (en) * | 2019-09-11 | 2020-05-19 | 山东纳赫汽车零部件有限公司 | Three-point stress structure of brake caliper body |
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