CN106015407A - Heat radiation structure of drum type brake - Google Patents
Heat radiation structure of drum type brake Download PDFInfo
- Publication number
- CN106015407A CN106015407A CN201610601743.3A CN201610601743A CN106015407A CN 106015407 A CN106015407 A CN 106015407A CN 201610601743 A CN201610601743 A CN 201610601743A CN 106015407 A CN106015407 A CN 106015407A
- Authority
- CN
- China
- Prior art keywords
- brake
- drum
- oil
- seal
- cannelure
- 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.)
- Pending
Links
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
- F16D65/78—Features relating to cooling
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- 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
- F16D65/10—Drums for externally- or internally-engaging brakes
-
- 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
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
-
- 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
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D2066/001—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a heat radiation structure of a drum type brake. The heat radiation structure comprises a seal shell, two rotating seal rings and two oil holes; the seal shell is fixedly arranged on the brake, a brake drum of the brake is arranged in the seal shell in a sleeved and rotatable mode, and an annular groove of which the diameter is larger than that of the brake drum is formed in the seal shell in a concaved mode; the rotating seal rings are arranged between the left end of the seal shell and the outer circumferential surface of the brake drum and between the right end of the seal shell and the outer circumferential surface of the brake drum respectively; the oil holes which are communicated with the annular groove are symmetrically arranged on the seal shell along the axis, one oil hole is an oil inlet hole, and the other oil hole is an oil outlet hole; a hydraulic system conveys cooling oil into the annular groove through the oil inlet hole, and the hydraulic system discharges the cooling oil in the annular groove through the oil outlet hole. According to the heat radiation structure of the drum type brake, cooling is conducted on the brake drum through the cooling oil stored in the annular groove of the seal shell, the cooling efficiency of the brake is improved, and the barking performance of the drum type brake is guaranteed.
Description
Technical field
The present invention relates to drum brake field, particularly to the radiator structure of a kind of drum brake.
Background technology
With reference to Fig. 1, the primary structure of drum brake include brake cam shaft stool 1, back-plate 2,
3, two brake-shoes 4 of brake camshaft, brake drum 5, return spring, alignment pin and braking adjusting arm
Deng, brake-shoe 4 and brake drum 5 form friction pair, brake drum 5 as the revolving part in friction pair, its
Being consolidated with the wheel hub of wheel, vehicle wheel rotation also drives brake drum 5 to rotate.Two brake-shoes 4 set
Being placed in brake drum 5, back-plate 2 maintains static, and is used for installing brake-shoe 4, alignment pin, braking convex
Axle supports 1 etc., and rotary torsion when bearing braking, brake camshaft 3 is arranged at brake camshaft
On bearing 1, one end of brake camshaft 3 is connected with braking drive organ, another of brake camshaft 3
End is flared out pressing to brake drum 5 for controlling two brake-shoes 4, thus by rubbing on brake-shoe 4
Frictional force between pad and brake drum 5 realizes braking.Being widely used on automobile of drum brake,
Automobile it is frequently necessary to frequently brake in the process of moving, even needs long lasting for braking, and this results in
Brake temperature rises quickly, owing to the heat dispersion of drum brake is poor, it is easy to cause drum-type system
Dynamic device generation heat fading phenomenon, even makes automobile brake perfrmance lose and causes vehicle accident.
The information being disclosed in this background section is merely intended to increase the reason of the general background to the present invention
Solve, and be not construed as recognizing or imply in any form that this information structure is for this area general technology
Prior art well known to personnel.
Summary of the invention
It is an object of the invention to provide the radiator structure of a kind of drum brake, thus overcome existing drum
The shortcoming that the heat dispersion of formula brake is poor.
For achieving the above object, the invention provides the radiator structure of a kind of drum brake, wherein, bag
Including: seal casinghousing, it is fixedly installed in brake, and the brake drum of brake is rotatably
It is sheathed in this seal casinghousing, and in this seal casinghousing, is arranged with the diameter greater diameter than described brake drum
Cannelure；Rotating seal ring, the two ends, left and right of described seal casinghousing and the outer circumference surface of described brake drum
Between be each provided with this rotating seal ring；And oilhole, along axisymmetrical ground on described seal casinghousing
Being provided with two these oilholes communicated with described cannelure, one of them this oilhole is fuel feed hole, another
This oilhole is oil outlet；Hydraulic system carries cooling oil by described fuel feed hole in described cannelure, and
Hydraulic system is discharged the cooling oil in described cannelure by described oil outlet.
Preferably, in technique scheme, the outer circumference surface of described brake drum is convexly equipped with one and is positioned at two
The annular protrusion of the centre of described rotating seal ring, the diameter of this annular protrusion is straight less than described cannelure
Footpath.
Preferably, in technique scheme, described rotating seal ring is for rotating lattice Lay sealing ring.
Preferably, in technique scheme, also include a temperature sensor being arranged in brake.
Preferably, in technique scheme, described seal casinghousing include upper and lower two with the side that can dismantle
The half shell that formula links together.
Compared with prior art, there is advantages that
1, brake drum is cooled by the present invention by the cannelure storage cooling oil of seal casinghousing,
To improve the cooling effectiveness of brake, it is ensured that the braking ability of drum brake.
2, the present invention is convexly equipped with an annular protrusion on the outer circumference surface of brake drum, to play the work of disc
With, make the cooling effect of cooling oil perform to maximum.
3, the present invention is provided with temperature sensor on the brake, to monitor the temperature of brake, intelligence in real time
Control can cool down oily turnover.
Accompanying drawing explanation
Fig. 1 is the structural representation of the radiator structure according to drum brake of the present invention.
Fig. 2 is the part A enlarged drawing of the Fig. 1 according to the present invention.
Main Reference Numerals illustrates:
1-brake cam shaft stool, 2-back-plate, 3-brake camshaft, 4-brake-shoe, 5-brake drum,
6-seal casinghousing, 7-cannelure, 8-rotating seal ring, 9-oilhole, 10-annular protrusion.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in detail, it is to be understood that this
The protection domain of invention is not limited by detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " bag
Include " or its conversion as " comprising " or " including " etc. will be understood to comprise stated element or
Ingredient, and do not get rid of other element or other ingredient.
Fig. 1 to Fig. 2 shows the heat radiation knot of a kind of drum brake
The structural representation of structure, the radiator structure of this drum brake include seal casinghousing 6, rotating seal ring 8 with
And oilhole 9, with reference to Fig. 1 and Fig. 2, seal casinghousing 6 is in circular, and seal casinghousing 6 is fixedly installed on system
On dynamic device, it can be connected by bolt is fixing with brake backing plate 2.The brake drum 5 of brake is with energy
Enough modes rotated are sheathed in seal casinghousing 6, and are arranged with greater diameter than braking in seal casinghousing 6
The cannelure 7 of the diameter of drum 5, each between two ends, left and right and the outer circumference surface of brake drum 5 of seal casinghousing 6
Being provided with a rotating seal ring 8, rotating seal ring 8 is used for making brake drum 5 relative to seal casinghousing 6 turns
Time dynamic, cannelure 7 is kept to be in closed state, in case leak-stopping is oily.The two ends, left and right of seal casinghousing 6 are recessed
It is provided with the annular groove for installing rotating seal ring 8, to carry out fixed and positioned to rotating seal ring 8.
Preferably, rotating seal ring 8, for rotating lattice Lay sealing ring, rotates lattice and carrys out sealing ring typically by synthesis rubber
The ○-shaped seal ring of colloid uses composition with the superposing of square seal ring of filled polytetrafluoroethylene matter, depends on
Deformation by itself produces higher initial contact stress to sealing surfaces, stops letting out of no pressure liquid
Leakage.During work, pressure fluid extrudes quad seal to greatest extent by the elastic deformation of ○-shaped seal ring
Circle, be allowed to be close to sealing surfaces and produce the higher pressure with pressure fluid increase and additional connecing of increasing
Touch stress, and cooperatively stop the leakage of pressure fluid with initial contact stress.Preferably, capsul
Body 6 include upper and lower two by the half shell that can link together in the way of dismantling, two half shells are permissible
It is attached by bolt, seal casinghousing 6 is divided into two half shells and can be easy for installation and removal sealing
Housing 6.
With continued reference to Fig. 1 and Fig. 2, seal casinghousing 6 is provided with two and cannelure 7 along axisymmetrical
The oilhole 9 communicated, one of them oilhole 9 is fuel feed hole, and another oilhole 9 is oil outlet.Hydraulic system
In cannelure 7, carry cooling oil by fuel feed hole, and hydraulic system passes through oil outlet in cannelure 7
Cooling oil discharge.In hydraulic system, fuel feed hole is connected with hydraulic pump by oil inlet pipe, hydraulic pump and oil
Source connects, and oil outlet is connected with oil exit pipe, and oil exit pipe is also connected with oil sources.Hydraulic pump can be cooling oil
It is transported in cannelure 7 from fuel feed hole, thus brake drum 5 is cooled, and at the work of oil pressure
Under with, cooling oil can be discharged from oil outlet, and is eventually returned in oil sources, thus realizes the circulation of cooling oil
Use.
The present invention is to set up a seal casinghousing 6 on the basis of brake original structure, its simple in construction,
Easy to make, use cost is relatively low.Store cooling oil by the cannelure 7 of seal casinghousing 6 to come braking
Drum 5 cools, to improve the cooling effectiveness of brake, it is ensured that the braking ability of drum brake,
Will not have an accident because of brake problem when making vehicle telematic travel for a long time, improve driving
Security reliability, and then improve conevying efficiency.And, the present invention can make obtain the service life of brake
Arrive guarantee, save the cost that the maintenance of brake is changed.
With continued reference to Fig. 1 and Fig. 2, it is preferable that be convexly equipped with one on the outer circumference surface of brake drum 5 and be positioned at two
The annular protrusion 10 of the centre of rotating seal ring 8, the diameter of annular protrusion 10 is less than the diameter of cannelure 7,
It is positioned at cannelure 7 and can separate cannelure 7.Annular protrusion 10 plays the effect of disc, makes cold
But the cooling effect of oil performs to maximum.Furthermore it is preferred that present invention additionally comprises one to be arranged at brake
On temperature sensor (figure do not regard).Temperature sensor is for the temperature of monitoring brake in real time, so that liquid
Pressure system can intelligent cooling control but oil turnover, it is not necessary to artificially manipulate, simple and efficient, with improve to braking
Device carries out the stability cooled down.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.
These descriptions are not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned
Teaching, can much change and change.The purpose selected exemplary embodiment and describe exists
In explaining the certain principles of the present invention and actual application thereof, so that those skilled in the art can be real
Now and utilize the various different exemplary of the present invention and various different selection and change.
The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (5)
1. the radiator structure of a drum brake, it is characterised in that including:
Seal casinghousing, it is fixedly installed in brake, and the brake drum of brake is rotatably
It is sheathed in this seal casinghousing, and in this seal casinghousing, is arranged with the diameter greater diameter than described brake drum
Cannelure；
Rotating seal ring, each between two ends, left and right and the outer circumference surface of described brake drum of described seal casinghousing
It is provided with this rotating seal ring；And
Oilhole, on described seal casinghousing along axisymmetrical be provided with two communicate with described cannelure should
Oilhole, one of them this oilhole is fuel feed hole, and another this oilhole is oil outlet；Hydraulic system passes through institute
State fuel feed hole in described cannelure, carry cooling oil, and hydraulic system passes through described oil outlet described ring
Cooling oil in shape groove is discharged.
The radiator structure of drum brake the most according to claim 1, it is characterised in that described system
The annular protrusion of a centre being positioned at two described rotating seal rings it is convexly equipped with on the outer circumference surface of dynamic drum, should
The diameter of annular protrusion is less than the diameter of described cannelure.
The radiator structure of drum brake the most according to claim 1, it is characterised in that described rotation
Turn sealing ring for rotating lattice Lay sealing ring.
The radiator structure of drum brake the most according to claim 1, it is characterised in that also include
One is arranged at the temperature sensor in brake.
The radiator structure of drum brake the most according to claim 1, it is characterised in that described close
Capsule body include upper and lower two by the half shell that can link together in the way of dismantling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601743.3A CN106015407A (en) | 2016-07-27 | 2016-07-27 | Heat radiation structure of drum type brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601743.3A CN106015407A (en) | 2016-07-27 | 2016-07-27 | Heat radiation structure of drum type brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106015407A true CN106015407A (en) | 2016-10-12 |
Family
ID=57114718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610601743.3A Pending CN106015407A (en) | 2016-07-27 | 2016-07-27 | Heat radiation structure of drum type brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015407A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578466A (en) * | 2018-12-31 | 2019-04-05 | 河北百龙汽车配件制造有限公司 | A kind of high-reliability safety brake hub |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| OA12430A (en) * | 2000-09-18 | 2006-04-19 | Safe Effect Pty Ltd | A brake shoe and drum brake system incorporating same. |
| CN202349056U (en) * | 2011-11-30 | 2012-07-25 | 重庆迪阳机械制造有限公司 | Sealed water cooling system for brake drum |
| CN202646488U (en) * | 2012-04-27 | 2013-01-02 | 周志军 | Wheel brake drum cooling device |
| CN203082082U (en) * | 2012-11-19 | 2013-07-24 | 张奕 | Phase transition temperature control brake drum |
| CN203974785U (en) * | 2014-08-04 | 2014-12-03 | 武汉理工大学 | Automobile drum brake auxiliary circulation cooling system |
| CN205013552U (en) * | 2015-10-08 | 2016-02-03 | 山东科技大学 | A cooling device and cargo vehicle for brake drum |
-
2016
- 2016-07-27 CN CN201610601743.3A patent/CN106015407A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| OA12430A (en) * | 2000-09-18 | 2006-04-19 | Safe Effect Pty Ltd | A brake shoe and drum brake system incorporating same. |
| CN202349056U (en) * | 2011-11-30 | 2012-07-25 | 重庆迪阳机械制造有限公司 | Sealed water cooling system for brake drum |
| CN202646488U (en) * | 2012-04-27 | 2013-01-02 | 周志军 | Wheel brake drum cooling device |
| CN203082082U (en) * | 2012-11-19 | 2013-07-24 | 张奕 | Phase transition temperature control brake drum |
| CN203974785U (en) * | 2014-08-04 | 2014-12-03 | 武汉理工大学 | Automobile drum brake auxiliary circulation cooling system |
| CN205013552U (en) * | 2015-10-08 | 2016-02-03 | 山东科技大学 | A cooling device and cargo vehicle for brake drum |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578466A (en) * | 2018-12-31 | 2019-04-05 | 河北百龙汽车配件制造有限公司 | A kind of high-reliability safety brake hub |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |