CN220151769U - Plug-in aluminium brake disc and brake drum - Google Patents
Plug-in aluminium brake disc and brake drum Download PDFInfo
- Publication number
- CN220151769U CN220151769U CN202321565172.4U CN202321565172U CN220151769U CN 220151769 U CN220151769 U CN 220151769U CN 202321565172 U CN202321565172 U CN 202321565172U CN 220151769 U CN220151769 U CN 220151769U
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- Prior art keywords
- aluminum
- friction block
- drum
- disc
- brake disc
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 60
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000004411 aluminium Substances 0.000 title description 2
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 42
- 239000000919 ceramic Substances 0.000 claims abstract description 34
- 239000002131 composite material Substances 0.000 claims abstract description 31
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 238000005219 brazing Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to an inserted aluminum brake disc for a vehicle, which comprises: an aluminum alloy tray body; ceramic reinforced aluminum matrix composite friction block; the ceramic reinforced aluminum-based composite friction block is a sector block, two side edges of the thickness section of the ceramic reinforced aluminum-based composite friction block are waist-shaped or drum-shaped, and when the ceramic reinforced aluminum-based composite friction block is inserted into a corresponding cavity of the aluminum alloy disc body, the friction block obtains the rotation direction and the axial positioning of the brake disc; when the aluminum alloy ring is further assembled under the condition that the friction block is inserted into the assembly of the disc body, the friction block obtains radial positioning of the brake disc, and the aluminum alloy disc body, the ceramic reinforced aluminum-based composite friction block and the aluminum alloy ring are integrally connected through brazing, so that the safety of the aluminum brake disc during operation is improved. The construction principle is equally applicable to brake drums.
Description
Technical Field
The utility model relates to the technical field of vehicle braking, in particular to an inserted aluminum brake disc and a brake drum.
Background
Under the current general trend of energy conservation and emission reduction, the unsprung mass of the vehicle is lightened for the light weight of the vehicle, and the brake disc is replaced by aluminum for iron, so that the brake disc has very good development prospect.
However, aluminum alloys have disadvantages of low strength and poor wear resistance at high temperatures, and therefore, it is not feasible to simply replace iron with aluminum, so that in the application of brake discs, aluminum alloys are suitable only for disc bodies and are not suitable for friction surface materials.
On the other hand, the ceramic reinforced aluminum-based composite material improves the high-temperature strength and the wear resistance, and can meet the high-temperature braking performance of the friction surface of the brake disc under the condition of high ceramic content, but the ceramic reinforced aluminum-based composite material with high ceramic content has high brittleness and great processing difficulty, and is only suitable for friction surface materials but not suitable for disc body materials.
The brazing performance of the ceramic reinforced aluminum-based composite material with high ceramic content and the aluminum alloy is poor, so that the brake disc is simply brazed by adopting the structure of the friction surface of the aluminum alloy disc body and the ceramic reinforced aluminum-based composite material, the situation that the connection strength is low exists, and particularly, the problem that the brake has great potential safety hazard during operation at high temperature is solved, and therefore, the inserted aluminum brake disc and the brake drum are proposed.
Disclosure of Invention
The present utility model aims to provide an inserted aluminum brake disc and a brake drum, which solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an inserted aluminum brake disc, in particular to an inserted aluminum brake disc for a vehicle, comprising: an aluminum alloy tray body;
ceramic reinforced aluminum matrix composite disc friction blocks;
and an aluminum alloy ring, wherein the aluminum alloy ring,
the ceramic reinforced aluminum-based composite material disc friction block is a sector block, two side edges of the thickness section of the ceramic reinforced aluminum-based composite material disc friction block are waist-shaped or drum-shaped, and when the ceramic reinforced aluminum-based composite material disc friction block is inserted into a corresponding cavity of an aluminum alloy disc body, the disc friction block obtains the rotation direction and the axial positioning of the brake disc; when the aluminum alloy ring is further assembled under the condition that the disc friction block is inserted into the disc body, the disc friction block obtains the radial positioning of the brake disc, and the aluminum alloy disc body, the ceramic reinforced aluminum-based composite material disc friction block and the aluminum alloy ring are integrally connected through brazing, so that the safety of the aluminum brake disc during operation is improved.
An interposed aluminum brake drum, in particular for a vehicle, comprising:
an aluminum alloy drum body;
ceramic reinforced aluminum matrix composite drum friction block;
the ceramic reinforced aluminum-based composite material drum friction block is in a strip shape, two side edges of the thickness section of the ceramic reinforced aluminum-based composite material drum friction block are in a waist shape or a drum shape, and when the ceramic reinforced aluminum-based composite material drum friction block is inserted into a corresponding cavity of an aluminum alloy drum body, the drum friction block obtains the rotation direction and the radial positioning of the brake disc; when the aluminum alloy cover is further assembled under the assembly that the drum friction block is inserted into the drum body, the drum friction block obtains the axial positioning of the brake disc, and the aluminum alloy drum body, the ceramic reinforced aluminum-based composite material drum friction block and the aluminum alloy cover are integrally connected through brazing, so that the safety of the aluminum brake drum during operation is improved.
Compared with the prior art, the utility model has the beneficial effects that:
the ceramic reinforced aluminum matrix composite friction block provided by the utility model forms a friction (annular) surface, and provides necessary high-temperature strength and wear resistance for the brake disc;
the aluminum alloy disc body provided by the utility model provides necessary strength, toughness and processability for the brake disc;
according to the utility model, the friction blocks are inserted into the aluminum alloy disc body, the disc friction blocks, the disc body and the aluminum alloy ring for assembly, and the friction blocks are mechanically or metallurgically connected in the rotation direction, the axial direction and the radial direction through brazing, so that the safety of the brake disc is improved, and the final purpose of light weight of the aluminum brake disc is realized.
Drawings
FIG. 1 is a top view of a brake disc of the present utility model;
FIG. 2 is a cross-sectional view of the brake disc of FIG. 1 taken along line A-A of the present utility model;
FIG. 3 is a cross-sectional view of the brake disc of FIG. 1 taken along line B-B showing the cross-sectional shape of the brake pad in a kidney-shape in accordance with the present utility model;
FIG. 4 is a cross-sectional view of the brake disc of FIG. 1 taken along line B-B showing the cross-sectional shape of the brake pads in a drum shape in accordance with the present utility model;
FIGS. 5 (A), (B) and (C) are cross-sectional views similar to FIGS. 3 and 4, showing a variation of drum + straight line type;
FIG. 6 is a top view of the brake drum of the present utility model;
fig. 7 is a cross-sectional view of the brake drum of fig. 6.
In the figure, 1, an aluminum brake disc; 2. a tray body; 3. a disk friction block; 4. an aluminum alloy ring; 5. a connecting flange; 6. a connection hole; 7. a front friction surface; 8. a rear friction surface; 10. a brake drum; 20. the drum body is 30 and a drum friction block; 40. an aluminum alloy cover; H. drum or kidney-shaped arc height.
Detailed Description
The inserted aluminum brake disc is made of two materials, namely aluminum alloy and ceramic reinforced aluminum-based composite material, and is called as an aluminum brake disc.
Embodiments of the utility model will be further described with reference to the drawings, wherein the dimensions are not necessarily the actual dimensions, and like elements and structures are represented by like numerals for the sake of illustration.
Referring to fig. 1 and 2, an aluminum brake disc of the present utility model is generally indicated at 1, fig. 1 being a top view of the brake disc 1 of the present utility model; fig. 2 is a cross-sectional view of the brake disc 1 shown in fig. 1 along the line A-A. The utility model provides an aluminum brake disc 1, wherein the aluminum brake disc 1 comprises a disc body 2 made of aluminum alloy, the disc body 2 comprises two forming grooves with parallel end faces, and the shape of the forming grooves with the parallel end faces corresponds to the waist shape or the drum shape of a disc friction block 3 made of ceramic reinforced aluminum matrix composite material; the disc body 2 further includes a flange 5 and a connection hole 6 for connecting the brake disc 1 to a vehicle axle (not shown) by fastening means such as bolts. The disc friction pad 3 is in the form of a segment, and the outward facing surface of the disc friction pad 3 constitutes an outer friction surface 7 and an inner friction surface 8 of the brake disc 1 in the case of an insertion of the disc body 2 into the disc friction pad 3.
Fig. 3 is a cross-sectional view of the brake disc along line B-B shown in fig. 1, showing that the cross-sectional shape of the disc friction block 3 is kidney-shaped, and it can be seen from the cross-sectional view of fig. 3 that when the ceramic reinforced aluminum matrix composite disc friction block 3 is inserted into the corresponding cavity of the aluminum alloy disc body 2, the disc friction block 3 is positioned in a wedge shape, so that the disc friction block 3 on the disc body 2 obtains the positioning of the brake disc 1 in the rotation direction and the axial direction.
Fig. 4 is a sectional view of the brake disc taken along line B-B of fig. 1, similar to fig. 3, showing that the brake pad 3 has a drum-like cross-sectional shape, which serves the same effect as the embodiment of fig. 3, while the embodiment of fig. 4 is further advantageous in that the sharp acute angle of the waist is eliminated, the crack initiation at the acute angle can be prevented, and further safety of the brake disc is provided.
In the kidney-shaped disc friction block of fig. 3 and the drum-shaped disc friction block 3 of fig. 4, the combination of the kidney shape or drum shape is shown as an arc, and there is an arc height H by which the wedge-shaped positioning is formed, preferably the arc height H is as small as possible under the effect of the wedge-shaped positioning, thereby reducing the cutting amount of the machining arc and saving the tool and the machining time, for example, h≡0.3mm.
Fig. 5 shows a variation of the drum-shaped disk friction block 3 of fig. 4, which is a combination of drum shape and straight line on the side straight line edge of the disk friction block 3, and also aims to reduce the machining cutting amount. Wherein the drum shape of fig. 5A is at the center of the disc friction block 3 with straight edges; the drum shape of fig. 5B is at the lower part of the disk friction block 3; the drum shape of fig. 5C is at the upper portion of the disk friction block 3.
While fig. 3, 4 and 5 illustrate several connection configurations of the disc body 2 to the side of the disc friction pad 3, it should be understood that the present utility model is not limited to the connection shapes of these embodiments, and any other configuration, such as wave-shaped (e.g., S-shaped), may be employed within the meaning of the utility model.
Looking back at fig. 1 and 2, when the ceramic reinforced aluminum matrix composite plate friction block 3 is inserted into the corresponding cavity of the aluminum alloy plate body 2, the plate friction block 3 on the plate body 2 obtains the rotation direction and axial positioning of the brake disc 1; when the aluminum alloy ring 4 is further inserted under the assembly that the disc friction block 3 is inserted into the disc body 3, the disc friction block 3 obtains the radial positioning of the brake disc 1, all the connecting surfaces of all the components are coated with brazing filler metal, and the brazing or mechanical integral connection of the aluminum alloy disc body 2, the ceramic reinforced aluminum-based composite material disc friction block 3 and the aluminum alloy ring 4 is realized through brazing, so that the safety of the aluminum brake disc during operation is improved, and the final result of the light weight of the brake disc is realized.
Fig. 6 and 7 show a further embodiment of the utility model, a brake drum 10, the brake drum 10 comprising: an aluminum alloy drum 20; a brake drum friction block 30 of ceramic reinforced aluminum matrix composite; the aluminum alloy cover 40 is inserted into the drum body 20 through the drum friction block 30, so that the drum friction block 30 and the drum body are positioned in a drum-shaped wedge shape, and the drum friction block 30 obtains the rotation direction and the radial positioning of the brake drum 10; after the drum friction block 30 is inserted into the drum body 20, the aluminum alloy cover 40 is inserted to axially position the drum friction block 30, thereby, brazing filler metal is coated on all connecting surfaces of all components, and the aluminum alloy drum body 20, the ceramic reinforced aluminum-based composite material drum friction block 30 and the aluminum alloy cover 40 are integrally connected through brazing, so that the safety of the aluminum brake drum 10 during operation is improved, and the final result of light weight of a brake disc is realized.
Although the present utility model is illustrated as showing the brake disc as a solid brake disc, it is equally applicable to a wind tunnel brake disc.
Although the utility model is illustrated with a brake disc and drum, the principles are equally applicable to other mechanical brakes.
Modifications and variations may be made in the above embodiments in accordance with conventional techniques, but such modifications and variations are within the scope of the utility model without departing from its spirit or scope.
Claims (2)
1. An insert aluminum brake disc, in particular an insert aluminum brake disc for a vehicle, the aluminum brake disc (1) comprising: an aluminum alloy tray body (2);
a ceramic reinforced aluminum matrix composite plate friction block (3);
and an aluminum alloy ring (4),
wherein, the ceramic reinforced aluminum matrix composite plate friction block (3) is a sector block, and two sides of the thickness section of the sector block are waist-shaped or drum-shaped.
2. An interposed aluminum brake drum, in particular an interposed aluminum brake drum for a vehicle, the aluminum brake drum (10) comprising:
an aluminum alloy drum body (20);
a ceramic reinforced aluminum matrix composite drum friction block (30);
and an aluminum alloy cover (40), wherein the ceramic reinforced aluminum-based composite material drum friction block (30) is in a strip shape, and two sides of the thickness section of the friction block are in a waist shape or a drum shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565172.4U CN220151769U (en) | 2023-06-19 | 2023-06-19 | Plug-in aluminium brake disc and brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565172.4U CN220151769U (en) | 2023-06-19 | 2023-06-19 | Plug-in aluminium brake disc and brake drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151769U true CN220151769U (en) | 2023-12-08 |
Family
ID=89012908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321565172.4U Active CN220151769U (en) | 2023-06-19 | 2023-06-19 | Plug-in aluminium brake disc and brake drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151769U (en) |
-
2023
- 2023-06-19 CN CN202321565172.4U patent/CN220151769U/en active Active
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