CN202360656U - Axial flow type air-cooled friction drum for braking device - Google Patents
Axial flow type air-cooled friction drum for braking device Download PDFInfo
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- CN202360656U CN202360656U CN2011200380924U CN201120038092U CN202360656U CN 202360656 U CN202360656 U CN 202360656U CN 2011200380924 U CN2011200380924 U CN 2011200380924U CN 201120038092 U CN201120038092 U CN 201120038092U CN 202360656 U CN202360656 U CN 202360656U
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- drum
- axial flow
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Abstract
The utility model discloses an axial flow type air-cooled friction drum (7) for a braking device, which can be used for braking of a vehicle retarder, a brake, hoisting equipment, mine equipment and transport equipment. The friction drum mainly comprises a frictional outer drum (1), an axial flow type blade (2), a hub (3) and a connecting plate (4). A strong wind field is formed in the rotating process of the axial flow type blade (2) in the middle of the axial flow type air-cooled friction drum (7) and can take away most friction heat generated by a friction plate (8) and the frictional outer drum (1) in the braking process, so the friction drum has good heat dissipation performance. The friction drum has a simple structure, is convenient and reliable to install, has a high cost performance, and can improve the braking performance of braking equipment.
Description
Technical field
The utility model patent relates to a kind of braking device with the air-cooled friction drum of axial flow, can be used for the braking of vehicle retarder, break, crane gear, mining equiment and haulage device, has good thermal diffusivity, can improve the braking ability of braking system.
Background technique
Vehicle or other braking equipments are in braking process, because friction plate and a large amount of heat of friction drum friction-produced sharply raise the temperature of friction plate and friction drum.If the untimely reduction of temperature will make friction drum, friction plate or clamping strap produce serious heat fade phenomenon, reduce the braking ability of friction drum, friction plate or clamping strap; Thereby cause the vehicle braked process unstable; Influence the braking ability and the traffic safety of whole break, therefore, will brake heat timely and effectively and distribute; Reduce the temperature of friction drum, necessary for the braking ability of whole break.
The break of existing most drum brake, some crane gear or mining equiment, because structural limitations, most employing natural convections are cooled off, cooling effect is relatively poor.If want the cooling effect that reaches desirable, effectively cool off air-cooled and the two kinds of schemes of water-cooled of mainly containing for break: the structure of circulating water cooling system is complicated, and cost is higher, and the watering cooling also will cause driving slipperiness on roads, water resource waste; The air-cooled forced heat radiation problem that can solve break preferably of axial flow, and simple in structure, and cost performance is higher.
The utility model patent is carried out effectively air-cooled to break and is put forward.
The utility model content
The purpose of the utility model is to propose a kind of simple in structure, and the air-cooled friction drum of the axial flow of perfect heat-dissipating can be applied to the braking equipment of vehicle brake, retarder, engineering machinery etc.
Like Fig. 1, Fig. 2 and shown in Figure 5, the technological scheme of the utility model is: a kind of braking device is with the air-cooled friction drum of axial flow (7), and friction drum comprises: friction external drum (1), axial fan blade (2), wheel hub (3), connecting plate (4).
The air-cooled friction drum of axial flow (7) can be installed on the vehicle gear box output shaft flange plate or on the vehicular transmission shaft or on the vehicle main retarder driving gear flange plate or on the transmission shaft of other braking equipment; Wherein friction drum can pass through connecting plate (4) and is connected with the flange plate of transmission shaft, and rotates with transmission shaft.
As depicted in figs. 1 and 2, the root of axial fan blade (2) is connected with wheel hub (3), and the top is connected with friction external drum (1), casts in aggregates; Wherein blade can be designed to continuous uniform thickness helical blade, and root of blade is designed to fillet, also can be designed to the airfoil twisted blade, i.e. airfoil section blade, and axial fan blade (2) is at circumference uniform distribution, and its casting is simple, and join strength is high; Axial fan blade (2) not only plays the effect that connects friction external drum (1) and wheel hub (3), the more important thing is, in the air-cooled friction drum rotary course of axial flow, can form the high wind field, takes away a large amount of frictional heats that produce in the braking process.
Like Fig. 1, Fig. 2, shown in Figure 3, axial fan blade is a multi-disc, mainly is to confirm according to the braking moment that dispel the heat institute's required airflow and the air-cooled friction drum of axial flow (7) are born.
In addition, as shown in Figure 3, friction external drum (1) is designed with a plurality of radial ventilations hole, improves the heat dispersion of the air-cooled friction drum of whole axial flow.
Like Fig. 3, shown in Figure 4, axial fan blade (2) effect one: form the high wind field, air-flow gets into from the B1 mouth; Through the effect of axial fan blade (2), airspeed is accelerated, when the B2 mouth comes out; Produced stronger wind field; And then take away frictional heats a large amount of in the braking process, effect two: play the effect that connects friction external drum (1) and wheel hub (3), and guarantee the join strength of the air-cooled friction drum of axial flow (7).
During braking, the air-cooled friction drum of the axial flow of rotation (7) produces braking force under the frictional force action of friction plate (8) or clamping strap, thereby realizes braking.The air-cooled friction drum of axial flow (7) is in the rotary course with axle; Because the effect of axial fan blade (2); Produce the high wind field; Can take away a large amount of frictional heats that produce in the braking process, effectively reduce the temperature rise that air-cooled friction drum of axial flow (7) and friction plate (8) or clamping strap produce in braking process.
Axial--flow blading also can be designed to the airfoil twisted blade, and is as shown in Figure 4, and promptly airfoil section blade makes the air-cooled friction drum of axial flow (7) under design conditions, obtains equal total head along the blade radius direction, produces stronger wind field, and radiating effect is better.
The beneficial effect of the utility model is: along with the transmission shaft rotation of vehicle gear box output shaft (transmission shaft or main reducing gear driving gear flange plate) or other braking equipments; The air-cooled friction drum of axial flow (7) rotation; Axial fan blade (2) can produce the high wind field; Thereby take away most of frictional heat that the air-cooled friction drum of axial flow (7) and friction plate (8) in the braking process or clamping strap produce, the speed of a motor vehicle is fast more, and wind speed is also fast more; The heat of taking away through the axial fan blade (2) of rotation is also many more, and the air-cooled friction drum of axial flow (7) is obvious more with the temperature drop of friction plate (8) or clamping strap.
Description of drawings
Fig. 1 is the air-cooled friction drum plan view of the axial flow of the utility model;
Fig. 2 is the air-cooled friction drum A-A of the axial flow of a utility model sectional view;
Fig. 3 is the air-cooled friction drum left view of the axial flow of the utility model;
Fig. 4 is the axial flow airfoil twisted blade of a utility model leaf grating sketch in upright arrangement;
Fig. 5 is the air-cooled friction drum embodiment of the axial flow of the utility model (novel electromechanical (ACBS) retarder) figure.
In the accompanying drawing: 1-friction external drum 2-axial fan blade 3-wheel hub 4-connecting plate 5-bracket assembly 6-brake shoe
The air-cooled friction drum 8-of 7-axial flow friction plate 9-adjusts arm automatically
Embodiment:
The air-cooled friction drum of axial flow (7) is installed on the transmission shaft of (on the transmission shaft or on the main reducing gear driving gear flange plate) on the vehicle gear box output shaft flange plate or other braking equipments; And rotate with output shaft; As shown in Figure 5, when automobile retarder was worked, the friction plate (8) that is installed on the brake shoe (6) compressed to the friction external drum (1) of rotation; Produce friction brake force between friction plate (8) and the air-cooled friction drum of axial flow (7), thereby reach vehicle braked or slow purpose.
During car brakeing; Retarder work; Produce braking moment between friction plate (8) and the air-cooled friction drum of axial flow (7), simultaneously, produce a large amount of frictional heats between friction plate in the braking process (8) and the air-cooled friction drum of axial flow (7); Frictional heat is taken away by the wind field that forms in axial fan blade (2) rotary course in the air-cooled friction drum of axial flow (7), thereby reduces the temperature of friction plate (8) and the air-cooled friction drum of axial flow (7).Make the retarder temperature rise control in reasonable range.
Vehicle is when the constant speed lower long slope; Retarder work produces braking moment between friction plate of retarder (8) and the air-cooled friction drum of axial flow (7), simultaneously; Produce a large amount of frictional heats between friction plate in the braking process (8) and the friction drum (7); Frictional heat is taken away by the wind field that forms in axial fan blade (2) rotary course in the air-cooled friction drum of axial flow (7), thereby reduces the temperature of friction plate (8) and the air-cooled friction drum of axial flow (7), makes the retarder temperature rise control in reasonable range.
Claims (5)
1. a braking device is characterized in that with the air-cooled friction drum of axial flow this friction drum comprises: friction external drum (1), axial fan blade (2), wheel hub (3), connecting plate (4); The air-cooled friction drum of axial flow (7) is installed on the vehicle gear box output shaft flange plate or on the transmission shaft or on the main reducing gear driving gear flange plate or on the transmission shaft of other braking equipments, connecting plate (4) can be connected with transmission shaft through flange plate.
2. a kind of braking device according to claim 1 is characterized in that with the air-cooled friction drum of axial flow: axial fan blade is a multi-disc, mainly is to confirm according to the braking moment that dispel the heat institute's required airflow and the air-cooled friction drum of axial flow (7) are born.
3. a kind of braking device according to claim 1 is with the air-cooled friction drum of axial flow; It is characterized in that: axial fan blade (2) is evenly distributed on the wheel hub; Wherein Blade Design becomes continuous uniform thickness helical blade; Root of blade is a fillet, also can be designed to the airfoil twisted blade, i.e. airfoil section blade.
4. a kind of braking device according to claim 1 is characterized in that with the air-cooled friction drum of axial flow: the root of axial fan blade (2) is connected with wheel hub (3), and the top is connected with friction external drum (1), casts in aggregates; Axial fan blade (2) connects friction external drum (1) and wheel hub (3), can form the high wind field in the air-cooled friction drum rotary course of axial flow.
5. a kind of braking device according to claim 1 is characterized in that with the air-cooled friction drum of axial flow: friction external drum (1) is designed with a plurality of radial ventilations hole, and cooling air can be through the vent hole turnover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200380924U CN202360656U (en) | 2011-02-14 | 2011-02-14 | Axial flow type air-cooled friction drum for braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200380924U CN202360656U (en) | 2011-02-14 | 2011-02-14 | Axial flow type air-cooled friction drum for braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202360656U true CN202360656U (en) | 2012-08-01 |
Family
ID=46571845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200380924U Expired - Fee Related CN202360656U (en) | 2011-02-14 | 2011-02-14 | Axial flow type air-cooled friction drum for braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202360656U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146970A (en) * | 2011-02-14 | 2011-08-10 | 唐应时 | Axial flow type air-cooled friction drum for braking device |
| CN106195063A (en) * | 2016-08-31 | 2016-12-07 | 重庆中帝机械制造股份有限公司 | Aluminium alloy drum brake assembly |
| CN102146970B (en) * | 2011-02-14 | 2016-12-14 | 唐应时 | A kind of axial flow type air-cooled friction drum for braking device |
| CN106763350A (en) * | 2017-01-13 | 2017-05-31 | 河南理工大学 | Automobile brake sheet cooling focuses on wind fan blade |
-
2011
- 2011-02-14 CN CN2011200380924U patent/CN202360656U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146970A (en) * | 2011-02-14 | 2011-08-10 | 唐应时 | Axial flow type air-cooled friction drum for braking device |
| CN102146970B (en) * | 2011-02-14 | 2016-12-14 | 唐应时 | A kind of axial flow type air-cooled friction drum for braking device |
| CN106195063A (en) * | 2016-08-31 | 2016-12-07 | 重庆中帝机械制造股份有限公司 | Aluminium alloy drum brake assembly |
| CN106763350A (en) * | 2017-01-13 | 2017-05-31 | 河南理工大学 | Automobile brake sheet cooling focuses on wind fan blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20180214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |