CN219317487U - Safe bimetal brake drum - Google Patents
Safe bimetal brake drum Download PDFInfo
- Publication number
- CN219317487U CN219317487U CN202320921795.4U CN202320921795U CN219317487U CN 219317487 U CN219317487 U CN 219317487U CN 202320921795 U CN202320921795 U CN 202320921795U CN 219317487 U CN219317487 U CN 219317487U
- Authority
- CN
- China
- Prior art keywords
- steel shell
- brake drum
- shell
- surface steel
- friction surface
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 11
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 11
- 239000000956 alloy Substances 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 7
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000009750 centrifugal casting Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model belongs to the technical field of drum brake manufacturing, and particularly relates to a safe bimetal brake drum which comprises a shell, wherein the shell comprises a flange surface steel shell and a friction surface steel shell, the flange surface steel shell and the friction surface steel shell are both made of low carbon steel, the flange surface steel shell and the friction surface steel shell are connected in a welding mode, a balancing weight is arranged on the outer circular surface of the friction surface steel shell, an alloy wear-resistant cast iron layer is centrifugally cast on the inner wall of the friction surface steel shell, a spiral groove is formed in the inner wall of the alloy wear-resistant cast iron layer, the pitch of the spiral groove is 40-100mm, and the groove depth is 0.5-2mm. The beneficial effects of the utility model are as follows: the processing difficulty can be remarkably reduced, the shaking phenomenon caused by unbalance is effectively avoided, the visual life detection is convenient, the safety is high, the manufacturing is convenient, and the lightweight production can be realized.
Description
Technical Field
The utility model belongs to the technical field of drum brake manufacturing, and particularly relates to a safe bimetal brake drum.
Background
The drum brake is widely applied to a truck, and mainly comprises a brake drum and a brake shoe, and kinetic energy of the motion of the truck is converted into heat energy by utilizing friction resistance, so that the running truck is decelerated or stopped, and the running safety is ensured. The bimetal brake drum solves the technical problems that the temperature difference between the inside and the outside of the traditional brake drum is increased, the high-temperature mechanical property of the brake drum material is also rapidly reduced, and the brake drum is easy to crack, and is widely applied.
However, the existing bimetal brake drum has the disadvantages of high processing difficulty, inconvenient manufacture, easy occurrence of shaking phenomenon caused by unbalance and inconvenient visual service life detection, so that the development of a safe bimetal brake drum is needed.
Disclosure of Invention
The utility model aims to solve the technical problems and provides a safe bimetal brake drum.
The technical proposal is as follows: the utility model provides a safe bimetal brake drum, includes the shell, the shell includes flange face steel casing and friction surface steel casing, flange face steel casing and friction surface steel casing all adopt low carbon steel to make, and flange face steel casing and friction surface steel casing adopt the welding mode to connect, be equipped with the balancing weight on the outer disc of friction surface steel casing, and the inner wall centrifugal casting of friction surface steel casing has alloy wear-resisting cast iron layer, alloy wear-resisting cast iron layer's inner wall is provided with the helicla flute, the pitch of helicla flute is 40-100mm, and the groove depth is 0.5-2mm.
Preferably, the cross section of the spiral groove is a triangular groove, so that the processing is convenient.
Preferably, the balancing weight is a hot-rolled flat steel block, and the balancing weight is connected with the friction surface steel shell in a welding mode. The hot-rolled flat steel block is adopted to increase the air flow on the outer surface of the brake drum, take away the heat generated during the operation of the brake drum, reduce the temperature of the brake drum and improve the braking safety.
Preferably, the width of the balancing weight is 40-50mm, the thickness of the balancing weight is 4-8 mm, and the length of the balancing weight is calculated according to the detection data of dynamic balance of each product.
The utility model also comprises other components which can enable the safe bimetal brake drum to be used normally, and the safe bimetal brake drum is a conventional means in the field.
The working principle of the utility model is that the shell is welded by the flange surface steel shell and the friction surface steel shell, the integral weight of the brake drum is reduced by utilizing the advantage of high toughness and strength of the steel part, the weight of the brake drum is reduced, the service life of the brake drum is prolonged by centrifugally casting the alloy wear-resistant cast iron layer, the shaking phenomenon caused by unbalance of the brake drum can be reduced by arranging the balancing weight, and the specific position of the balancing weight is determined according to the detection result of each product on the dynamic balance detection equipment. The spiral groove is used for indicating the service life of the brake drum, the brake drum needs to be replaced when the abrasion depth of the spiral groove reaches a set value, so that the operation safety of a truck is improved, and meanwhile, the spiral groove can be used for storing abrasive particles generated in the working process of the brake drum or the abrasive particles brought in the working process of the brake drum, so that the friction loss is reduced, and the service life of the brake drum is prolonged; the spiral air flow can be generated, heat of the brake drum is taken away, the temperature is reduced, liquid such as abrasive particles and rain cement paste stored in the spiral groove is taken away, the friction coefficient between the friction surface of the brake drum and the friction plate is improved, and the braking efficiency and the running safety of vehicles are improved.
Compared with the prior art, the utility model has the beneficial effects that: the processing difficulty can be remarkably reduced, the shaking phenomenon caused by unbalance is effectively avoided, the visual life detection is convenient, the safety is high, the manufacturing is convenient, and the lightweight production can be realized.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model in embodiment 1.
Fig. 2 is a schematic cross-sectional view taken along line A-A in fig. 1.
In the figure, a 1-flange face steel shell; 2-friction surface steel shell; 3-balancing weight; 4-alloy wear-resistant cast iron layer; 5-spiral groove.
Detailed Description
The technology of the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.
Examples:
as shown in fig. 1-2, this embodiment provides a safe bimetal brake drum, which comprises an outer shell, the shell includes flange face steel casing 1 and friction surface steel casing 2, flange face steel casing and friction surface steel casing all adopt low carbon steel to make, and flange face steel casing and friction surface steel casing adopt the welding mode to connect, be equipped with balancing weight 3 on the outer disc of friction surface steel casing, in this embodiment, the quantity of balancing weight is 2, and the inner wall centrifugal casting of friction surface steel casing has alloy wear-resisting cast iron layer 4, alloy wear-resisting cast iron layer's inner wall is provided with helicla flute 5, the pitch of helicla flute is 40mm, and the groove depth is 0.5mm, the cross-section of helicla flute is triangle-shaped slot, convenient processing.
In the embodiment, the balancing weight is a hot-rolled flat steel block, and the balancing weight is connected with the friction surface steel shell in a welding mode. The hot-rolled flat steel block can increase the air flow on the outer surface of the brake drum, take away the heat generated during the operation of the brake drum, reduce the temperature of the brake drum and improve the braking safety; the width of balancing weight is 40mm, and thickness is 8mm, and the length of balancing weight is calculated according to the detection data of every product dynamic balance.
The working principle of the utility model is that the shell is welded by the flange surface steel shell and the friction surface steel shell, the integral weight of the brake drum is reduced by utilizing the advantage of high toughness and strength of the steel part, the weight of the brake drum is reduced, the service life of the brake drum is prolonged by centrifugally casting the alloy wear-resistant cast iron layer, the shaking phenomenon caused by unbalance of the brake drum can be reduced by arranging the balancing weight, and the specific position of the balancing weight is determined according to the detection result of each product on the dynamic balance detection equipment. The spiral groove is used for indicating the service life of the brake drum, the brake drum needs to be replaced when the abrasion depth of the spiral groove reaches a set value, so that the operation safety of a truck is improved, and meanwhile, the spiral groove can be used for storing abrasive particles generated in the working process of the brake drum or the abrasive particles brought in the working process of the brake drum, so that the friction loss is reduced, and the service life of the brake drum is prolonged; the spiral air flow can be generated, heat of the brake drum is taken away, the temperature is reduced, liquid such as abrasive particles and rain cement paste stored in the spiral groove is taken away, the friction coefficient between the friction surface of the brake drum and the friction plate is improved, and the braking efficiency and the running safety of vehicles are improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The utility model provides a safe bimetal brake drum, includes shell, its characterized in that: the shell comprises a flange face steel shell and a friction face steel shell, the flange face steel shell and the friction face steel shell are made of low carbon steel, the flange face steel shell and the friction face steel shell are connected in a welding mode, a balancing weight is arranged on the outer circular surface of the friction face steel shell, an alloy wear-resistant cast iron layer is centrifugally cast on the inner wall of the friction face steel shell, a spiral groove is formed in the inner wall of the alloy wear-resistant cast iron layer, the pitch of the spiral groove is 40-100mm, and the groove depth is 0.5-2mm.
2. A safety bimetallic brake drum as claimed in claim 1, wherein: the cross section of the spiral groove is a triangular groove.
3. A safety bimetallic brake drum as claimed in claim 1, wherein: the balancing weight is made of hot rolled flat steel blocks, and is connected with the friction surface steel shell in a welding mode.
4. A safety bimetallic brake drum as claimed in claim 3, wherein: the width of the balancing weight is 40-50mm, and the thickness of the balancing weight is 4-8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320921795.4U CN219317487U (en) | 2023-04-21 | 2023-04-21 | Safe bimetal brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320921795.4U CN219317487U (en) | 2023-04-21 | 2023-04-21 | Safe bimetal brake drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219317487U true CN219317487U (en) | 2023-07-07 |
Family
ID=87024430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320921795.4U Active CN219317487U (en) | 2023-04-21 | 2023-04-21 | Safe bimetal brake drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219317487U (en) |
-
2023
- 2023-04-21 CN CN202320921795.4U patent/CN219317487U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107917160B (en) | A kind of brake disc and preparation method thereof | |
| CN102367536A (en) | Casting method of SiO2-reinforced nodular cast iron-based brake disc | |
| CN219317487U (en) | Safe bimetal brake drum | |
| CN201428891Y (en) | Bimetal abrasion resistant compound elbow | |
| CN116398557A (en) | Safe bimetal brake drum | |
| CN101618452B (en) | Method for manufacturing brake drum for automobile | |
| CN202867654U (en) | Novel strong heat-dissipation brake disc used for high-speed train | |
| CN111503185A (en) | Aluminum-iron composite brake disc and manufacturing method thereof | |
| CN207333512U (en) | A kind of impeller flange form brake drum | |
| CN101758370A (en) | Manufacturing process for high-energy brake disc in bimetal structure and brake disc | |
| CN109185371A (en) | The automobile-used hydraulic brake of motor is without asbestos gasket and preparation method thereof | |
| CN109536849A (en) | A kind of magnetic suspension train brake pad material and preparation method | |
| CN102401051A (en) | Powder metallurgical brake shoe for railway locomotive | |
| Li et al. | The disc brake design and performance analysis | |
| CN103572285A (en) | Method for processing ceramic lining composite steel pipe | |
| CN211550343U (en) | Automobile brake pad assembly | |
| CN201720248U (en) | Ceramic roller mould | |
| CN114033818A (en) | Novel brake drum | |
| CN206487798U (en) | Friction piece, brake shoe | |
| CN213628590U (en) | Novel drum brake for automobile | |
| CN206320212U (en) | Pectinid radiating automobile brake drum | |
| CN206816750U (en) | Primary flywheel provided with nano wearproof damage coating | |
| CN206385450U (en) | A kind of combining structure polyurethane rubber benzvalene form one-way support | |
| CN214248087U (en) | Composite brake disc | |
| CN201461799U (en) | Brake drum of automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |