CN105351409B - Drum brake based on heat pipe heat radiation and the vehicles with the brake - Google Patents
Drum brake based on heat pipe heat radiation and the vehicles with the brake Download PDFInfo
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- CN105351409B CN105351409B CN201510957064.5A CN201510957064A CN105351409B CN 105351409 B CN105351409 B CN 105351409B CN 201510957064 A CN201510957064 A CN 201510957064A CN 105351409 B CN105351409 B CN 105351409B
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- brake
- drum
- heat
- heat pipe
- shoe
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Classifications
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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
- F16D65/78—Features relating to cooling
- F16D65/82—Features relating to cooling for internally-engaging brakes
- F16D65/827—Features relating to cooling for internally-engaging brakes with open cooling system, e.g. cooled by air
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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
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of drum brake based on heat pipe heat radiation and with the brake the vehicles.Drum brake mainly includes brake backing plate, left and right brake-shoe is arranged on brake backing plate, back-moving spring is housed between left and right brake-shoe, one friction facing is respectively installed on left and right brake-shoe, friction facing is located inside brake drum, multiple heat pipes are separately installed with two brake-shoes, there is the conduit corresponding with the heat pipe quantity on brake backing plate, heating tube, which moves radially, to be used；The heat pipe has bringing-up section and condensation segment, and bringing-up section is connected with brake-shoe, and condensation segment is located at the outside of brake drum, and the heat of brake-shoe is oriented to condensation segment by bringing-up section.The present invention increases radiating heat pipe by the improvement on existing drum-like brake structure, makes it have preferable radiating effect, ensure that the reliability of brake.
Description
Technical field
The invention belongs to heat energy and Vehicle Engineering correlative technology field, is to be related to one kind to be based on heat pipe heat radiation specifically
Drum brake and with the brake the vehicles.
Background technology
Drum brake is also block brake, is to be compressed on the brake wheel by brake block to realize braking action.
Typical drum brake is mainly by bottom plate, brake drum, brake-shoe, wheel cylinder (brake cylinder), return spring, positioning
The parts such as pin composition.Bottom plate is arranged on the fixed position of axletree, and it is fixed, is fitted with brake-shoe, return
Spring, each drum have a pair of brake-shoes, have friction facing on brake-shoe.Brake drum is then mounted on wheel hub, with wheel one
Rotation is played, it is made by the cast iron of certain deal, and shape is like circle drum type.When braking, wheelcylinder piston promotes brake-shoe compressing
Brake drum, brake drum are forced wheel to stop operating by friction eceleration.
Currently used drum brake heat dispersion is poor, therefore can assemble substantial amounts of heat in braking procedure, makes
Obtain brake block and wheel hub be easier to that extremely complex deformation occurs under the influence of high temperature, easily produce fading of brake and the phenomenon that flutters,
Retardation efficiency is caused to decline.
The mode of conventional dissipating heat by water spraying carries out auxiliary heat dissipation at present, and radiating of spraying water easily causes brake drum because of excessive temperature differentials
And deform or crack, the water for radiating, which is penetrated between friction facing and brake drum, causes brake fade.
Other vehicle will carry water tank, and want timing adding water, inconvenient for use, if plus water not in time, will also bring potential safety hazard.
In the prior art, research of the part in terms of strengthening drum brake radiating be present.For example, Application No.
2014203376074 Chinese patent literature describes a kind of combined type brake rim, mainly including heat-resisting steel shell, heat resisting steel
Shell processed is formed using heat resisting steel casting system, and its madial wall is installed on the identical and curved wear-resistant liner of some shapes, wear-resisting interior
Lining use vermicular cast iron or gray cast iron material, be connected by some tubular rivets with heat-resisting steel shell rivet clasp, wear-resistant liner and
Heat-resisting steel shell has locating slot in correspondence position, and positioning key is equipped with locating slot；The outer wall of heat-resisting steel shell
Provided with reinforcement and some radiating fins, set at the leading section outer rim of heat-resisting steel shell and be provided with some heat emission holes.
The program uses two-layer composite, and outside is heat-resisting steel shell, therefore enhances radiating effect, in certain journey
The stability of braking ability is ensure that on degree.But the essence of the technical scheme is the perforate air inducing directly on brake rim, perforate
By the internal limited area with extraneous exposure, it is impossible to which replacement utilizes fountain heat dissipation of water tank, can only be used as aided cooling mode.Cause
And its limited technique effect is determined in itself.
And for example say, the Chinese patent literature of Application No. 2015100695908 describes a kind of bogie brake heat and existed
Line monitors and heat abstractor, is mainly dissipated by brake drum, wheel cylinder, back-moving spring, axletree, temperature sensor, semilune heat pipe
Hot device, brake backing plate, brake-shoe, friction facing, brake shoe adjusting gauge, hexagon socket head cap screw composition, semilune heat-pipe radiator
Internal structure is put up a bridge and formed by outer wall, inwall, capillary wick, capillary wick.
On-Line Monitor Device is used in combination the device with heat abstractor, is radiated using tube wall by heat pipe.But
Heat pipes heat section and condensation segment (radiating segment) in the device are respectively positioned on inside brake drum, and brake drum is a relative closure
Space, internal heat are difficult to shed, so apparatus above can not be realized is dispersed into brake drum by caused heat in braking procedure
Outside purpose.
In order to solve the heat dissipation problem of caused amount of heat in vehicle braking procedure, it is necessary to a kind of efficient radiating dress
Put, the heat abstractor should can be good so as to realize effectively by outside heat transfer caused by inside brake drum to brake drum
Good radiating effect, to ensure that vehicle brakes in high capacity and still has good reliability.
The content of the invention
The purpose of the present invention be to overcome the shortcomings of the existing technology, provide it is a kind of using heat pipe as heat conducting element, efficiently
The drum brake that heat caused by friction facing and brake drum work is discharged on ground.The present invention is by existing drum brake
Improvement in device structure, and heat pipe is added, preferable radiating effect is made it have, ensure that the reliability of brake.
In order to reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of drum brake based on heat pipe heat radiation, including brake backing plate, left and right brake-shoe are arranged on brake bottom
On plate, back-moving spring is housed between left and right brake-shoe, a friction facing, friction facing position are respectively installed on left and right brake-shoe
In being separately installed with multiple heat pipes on inside brake drum, two brake-shoes, have on brake backing plate relative with the heat pipe quantity
The conduit answered, heating tube, which moves radially, to be used；
The heat pipe has bringing-up section and condensation segment, and bringing-up section is connected with brake-shoe, and condensation segment is located at the outer of brake drum
The heat of brake-shoe is oriented to condensation segment by portion, bringing-up section.
Preferably, blind hole is respectively provided with two brake-shoes, heat pipe is fixedly connected in blind hole.
Preferably, the gap between the heat pipe and blind hole is filled by heat conductive silica gel.
Preferably, multiple fins are installed, fin is located on condensation segment on the heat pipe.
Preferably, the axis of the heat pipe and the axis of brake backing plate are misaligned, but direction is identical.
While above-mentioned drum brake is provided, present invention also offers a kind of vehicles, the vehicles are to rub
Motorcycle, above-mentioned drum brake is installed on the motorcycle.
While above-mentioned drum brake is provided, present invention also offers another vehicles, the vehicles are
Tricycle, above-mentioned drum brake is installed on the tricycle.
While above-mentioned drum brake is provided, present invention also offers the third vehicles, the vehicles are
Automobile, above-mentioned drum brake is installed on the automobile.
The beneficial effects of the invention are as follows：Heat pipe is applied to the drum brake system of automobile, utilizes the very high heat conduction of heat pipe
Property, the advantages that flexible environmental suitability, promptly heat caused by braking is passed out of brake drum, and by
Heat pipe condenser section installs the cooling effect of fin enhancing heat pipe additional, improves drum brake self-radiating difficulty heat easily occurs and decline
The defects of moving back, simple in construction, reliable operation.More heat pipes are fitted together using single connect-disconnect structure or welding manner,
Every heat pipe works independently, and can be individually replaced when certain root heat pipe heat radiation effect declines, and effectively reduces the maintenance cost of equipment.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of the present invention；
Fig. 2 is the structure schematic diagram (the wherein unassembled heat pipe in side) of the present invention；
Fig. 3 is the overall structure diagram of the present invention；
In figure：1st, brake backing plate, 2, friction facing, 3, heat pipe, 4, conduit, 5, brake-shoe, 6, back-moving spring, 7, to be installed
With heat pipe cavity, 8, fin, 9, brake drum, 10, brake drum inwall.
Embodiment
A kind of drum brake based on heat pipe heat radiation, as Figure 1-3, including brake backing plate 1 is left and right for its structure
Two brake-shoes 5 are installed on brake backing plate 1, and back-moving spring 6 is housed between left and right two brake-shoes 5, left and right two
Brake-shoe 5 is respectively provided with a friction facing 2, and friction facing 2 is located inside brake drum 9, is installed respectively on left and right brake-shoe 5
There are multiple heat pipes 3, there is the conduit 4 corresponding with the heat pipe quantity on brake backing plate 1, it is in divergent shape that conduit 4 is overall, groove
The center of brake backing plate 1 is intersected at after the center line extension in road 4, the heating tube 3 of conduit 4, which moves radially, to be used.
The heat pipe 3 has bringing-up section and condensation segment, and bringing-up section is connected with brake-shoe 5, and the condensation segment of heat pipe 3 is positioned at system
The heat of brake-shoe 5 is oriented to condensation segment by the outside of dynamic drum 9, bringing-up section.
As a kind of mounting structure, blind hole (heat pipe cavity 7 i.e. to be assembled), heat pipe 3 can be equipped with two brake-shoes 5
Bringing-up section be fixedly connected in blind hole, and fill heat conductive silica gel on the gap between heat pipe 3 and blind hole.Using the plug-in
During assembling, heat pipe 3 is fixed after inserting brake-shoe 5 using steady pin.
As similar alternative arrangements, directly heat pipe 3 can also be welded on brake-shoe 5.
As preferable scheme, multiple fins 8 can be installed on heat pipe 3, fin 8 is located at condensation segment, scattered for strengthening
Thermal effect.
Wherein, the axis of the axis and brake backing plate 1 of the heat pipe 3 is misaligned, but direction is identical.
When brake operation, brakes drives brake-shoe 5 by applying outside pulling force to back-moving spring 6, with this
Radially it is displaced outwardly so that friction facing 2 rubs with brake drum inwall 10, the band of back-moving spring 6 after end of braking
Dynamic friction liner 2 resets.Substantial amounts of heat is produced in this process, the closing space inside brake drum 9 occurs, and it is unassembled
Before heat pipe 3, heat is difficult to shed.
After assembling heat pipe 3, heat heats the bringing-up section for the heat pipe 3 being installed on brake-shoe 5, and the medium in heat pipe steams
Hair heat absorption becomes gas, and the heat pipe condenser section along heat pipe flow direction outside brake drum 9, condensation of the gaseous working medium in heat pipe 3
Section radiating condensation, is changed into liquid refrigerant again, and is back to the heat pipes heat section inside brake drum 9 along heat pipe 3, so as to real
Now heat is delivered to outside brake drum 9 inside brake drum 9, and distributes the purpose to surrounding environment.In this braking procedure
In, the heat pipe 3 on brake-shoe moves along the heat pipe braking orbit 4 on brake backing plate 1.In order to strengthen heat pipe cold
The radiating effect of solidifying section, in the heat pipe condenser section exposed to the external world, has installed fin 8 additional.
Heat pipe mentioned in the present invention, is existing apparatus, and general principle is in cold end after being evaporated using medium in hot junction
The phase transition process (utilizing the evaporation latent heat and the latent heat of condensation of liquid) of condensation, makes heat quickly conduct.General heat pipe by shell,
Liquid-sucking core and end cap composition, its capacity of heat transmission exceed the capacity of heat transmission of any known metal.
Heat pipe 3 in the present invention, when being installed using blind hole structure, very flexibly, heat transfer efficiency is high, and single heat pipe 3 can
To replace, and then use cost is create a further reduction, enhance the availability of total system, can substantially reduce and brake
The possibility of decline.
Claims (5)
1. a kind of drum brake based on heat pipe heat radiation, including brake backing plate, left and right brake-shoe is arranged on brake backing plate
On, back-moving spring is housed between left and right brake-shoe, a friction facing is respectively installed on left and right brake-shoe, friction facing is located at
Inside brake drum, it is characterised in that multiple heat pipes are separately installed with two brake-shoes, are had and the heat pipe on brake backing plate
The corresponding conduit of quantity, heating tube, which moves radially, to be used；The heat pipe has bringing-up section and condensation segment, bringing-up section and braking
Hoof is connected, and condensation segment is located at the outside of brake drum, and the heat of brake-shoe is oriented to condensation segment by bringing-up section；
Blind hole is respectively provided with two brake-shoes, heat pipe is fixedly connected in blind hole；
Filled by heat conductive silica gel in gap between the heat pipe and blind hole；
Multiple fins are installed, fin is located on condensation segment on the heat pipe.
2. drum brake according to claim 1, it is characterised in that the axis of the heat pipe and the axle of brake backing plate
Line is misaligned, but direction is identical.
3. a kind of vehicles, the vehicles are motorcycle, and drum brake is provided with the motorcycle, it is characterised in that
The drum brake is the drum brake described in claim any one of 1-2.
4. a kind of vehicles, the vehicles are tricycle, and drum brake is provided with the tricycle, it is characterised in that
The drum brake is the drum brake described in claim any one of 1-2.
5. a kind of vehicles, the vehicles are automobile, are provided with drum brake on the automobile, it is characterised in that described
Drum brake is the drum brake described in claim any one of 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957064.5A CN105351409B (en) | 2015-12-17 | 2015-12-17 | Drum brake based on heat pipe heat radiation and the vehicles with the brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957064.5A CN105351409B (en) | 2015-12-17 | 2015-12-17 | Drum brake based on heat pipe heat radiation and the vehicles with the brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351409A CN105351409A (en) | 2016-02-24 |
| CN105351409B true CN105351409B (en) | 2017-12-19 |
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ID=55327448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510957064.5A Active CN105351409B (en) | 2015-12-17 | 2015-12-17 | Drum brake based on heat pipe heat radiation and the vehicles with the brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105351409B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708921B (en) * | 2018-05-23 | 2021-01-26 | 武汉理工大学 | Temperature control device for commercial vehicle brake |
| CN109435921A (en) * | 2018-12-04 | 2019-03-08 | 贵州创能科技有限公司 | A kind of brake rim and brake block for truck brake |
| CN111186421B (en) * | 2020-03-06 | 2024-06-21 | 湖北文理学院 | Carrying truck braking cooling system |
| CN112032220A (en) * | 2020-08-07 | 2020-12-04 | 龚植祥 | Drum brake with cooling function |
| CN111927896B (en) * | 2020-09-21 | 2020-12-22 | 烟台智永机械装备有限公司 | Transmission device for automobile arrangement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201779180U (en) * | 2010-07-12 | 2011-03-30 | 杨群英 | Floating drum type brake assembly |
| CN202937701U (en) * | 2012-11-12 | 2013-05-15 | 十堰龙腾达工业有限公司 | Brake shoe with cooling function |
| CN203614639U (en) * | 2013-12-13 | 2014-05-28 | 襄阳市合美机械有限公司 | Automobile hub brake shoe provided with radiating fins |
| CN105065520A (en) * | 2015-07-28 | 2015-11-18 | 华南理工大学 | Drum brake cooled through heat pipes |
| CN205207503U (en) * | 2015-12-17 | 2016-05-04 | 山东大学 | Drum brake and have vehicle of this stopper based on heat pipe cooling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5327775A (en) * | 1976-08-26 | 1978-03-15 | Mitsubishi Motors Corp | Brake cooling device |
-
2015
- 2015-12-17 CN CN201510957064.5A patent/CN105351409B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201779180U (en) * | 2010-07-12 | 2011-03-30 | 杨群英 | Floating drum type brake assembly |
| CN202937701U (en) * | 2012-11-12 | 2013-05-15 | 十堰龙腾达工业有限公司 | Brake shoe with cooling function |
| CN203614639U (en) * | 2013-12-13 | 2014-05-28 | 襄阳市合美机械有限公司 | Automobile hub brake shoe provided with radiating fins |
| CN105065520A (en) * | 2015-07-28 | 2015-11-18 | 华南理工大学 | Drum brake cooled through heat pipes |
| CN205207503U (en) * | 2015-12-17 | 2016-05-04 | 山东大学 | Drum brake and have vehicle of this stopper based on heat pipe cooling |
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| Publication number | Publication date |
|---|---|
| CN105351409A (en) | 2016-02-24 |
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