CN207848262U - A kind of high-strength gray cast iron automobile brake drum - Google Patents

A kind of high-strength gray cast iron automobile brake drum Download PDF

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Publication number
CN207848262U
CN207848262U CN201820150405.7U CN201820150405U CN207848262U CN 207848262 U CN207848262 U CN 207848262U CN 201820150405 U CN201820150405 U CN 201820150405U CN 207848262 U CN207848262 U CN 207848262U
Authority
CN
China
Prior art keywords
brake drum
brake
main body
shoe
drum main
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.)
Expired - Fee Related
Application number
CN201820150405.7U
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Chinese (zh)
Inventor
温寿书
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Sanhe iron products Co., Ltd
Original Assignee
温寿书
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 温寿书 filed Critical 温寿书
Priority to CN201820150405.7U priority Critical patent/CN207848262U/en
Application granted granted Critical
Publication of CN207848262U publication Critical patent/CN207848262U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of high-strength gray cast iron automobile brake drums, including brake drum main body, reinforcing rib and heat dissipation fluting, it is connected with mounting flange at the top of the brake drum main body, multiple mounting holes are evenly arranged on the mounting flange, the bottom of the brake drum main body is connected with lock ring, reinforcing rib is installed in brake drum main body between the lock ring and mounting flange, the inside of the brake drum main body is equipped with the first brake-shoe and the second brake-shoe, and first brake-shoe and the second brake-shoe are symmetrical arranged about Y-axis.The cooling fin and acoustical cotton that the utility model passes through installation in slotting in heat dissipation, the drag friction heat and friction noise rapid cooling and sound-absorbing generated when can be achieved to being braked on brake drum, reduce automobile brake drum and uses noise, effectively improve the heat dissipation performance of automobile brake drum, brake drum is discharged by chip space in the friction abrasive material that drag friction generates when can brake brake drum, effectively improves the insensitivity of automobile brake drum.

Description

A kind of high-strength gray cast iron automobile brake drum
Technical field
The utility model is related to technical field of automobile parts, specially a kind of high-strength gray cast iron automobile brake drum.
Background technology
Brake drum is the fricting couple piece of drum brake, in addition to should have as the required strength and stiffness of component, also Should there are friction coefficient and abrasion resistance, heat resistance appropriate, thermal diffusivity and thermal capacity etc. as high as possible and stablize.But it is existing Automobile brake drum in braking since the drag friction between brake-shoe and brake drum generates a large amount of heat and noise, heat Brake drum can be damaged, the service life of brake drum is influenced, noise not only causes noise pollution, and can influence driver and drive feelings Thread causes the safety that brake drum uses relatively low.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of high-strength gray cast iron vapour Vehicle brake drum.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of high-strength gray cast iron automobile brake drum of the utility model, including brake drum main body, reinforcing rib and heat dissipation fluting, It is connected with mounting flange at the top of the brake drum main body, multiple mounting holes, institute are evenly arranged on the mounting flange The bottom for stating brake drum main body is connected with lock ring, and reinforcement is equipped in the brake drum main body between the lock ring and mounting flange The inside of muscle, the brake drum main body is equipped with the first brake-shoe and the second brake-shoe, first brake-shoe and the second braking Hoof is symmetrical arranged about Y-axis, and adjustable mandril body and branch are connected separately between first brake-shoe and the second brake-shoe both ends Support pin, is equipped with wheel cylinder, the brake drum main body is being braked by being arranged between first brake-shoe and the second brake-shoe Braking layer on the inside of drum main body is formed with the outer shell being arranged on the outside of brake drum main body, on the opposite outer shell of the braking layer It is provided with heat dissipation fluting, cooling fin is installed on the inner wall of the heat dissipation fluting, the inside of the heat dissipation fluting is filled with Acoustical cotton.
Preferably, chip space is offered on the inside of the brake drum main body of the braking layer bottom.
Preferably, the inside of the braking layer is equipped with friction warning piece, and the friction warning piece thickness is 0.5- 1.0mm。
Preferably, the cooling fin uses aluminium radiator fin, and being coated with one layer between the cooling fin and heat dissipation fluting inner wall leads Hot silicone grease.
Preferably, the brake drum main body is made of high-strength gray cast iron material.
The advantageous effect that the utility model is reached is:This kind of high-strength gray cast iron automobile brake drum, it is simple in structure, it uses Conveniently, the heat dissipation fluting being arranged on braking the opposite outer shell of layer, the cooling fin and acoustical cotton of interior installation of being slotted by heat dissipation, The drag friction heat and friction noise rapid cooling and sound-absorbing generated when can be achieved to being braked on brake drum, reduces automobile brake drum Using noise, the heat dissipation performance of automobile brake drum is effectively improved, and opened up on the inside of the brake drum main body of braking layer bottom Brake drum is discharged by chip space in the friction abrasive material that drag friction generates when chip space can brake brake drum, can make braking layer and system Close brake contact between dynamic hoof, effectively improves the insensitivity of automobile brake drum, with good economic efficiency and social Benefit is suitble to promote the use of.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the brake drum agent structure schematic diagram of the utility model;
Fig. 3 is the brake drum main body sectional view of the utility model;
Fig. 4 is structural schematic diagram at the A of the utility model.
In figure:1, brake drum main body;2, mounting flange;21, mounting hole;3, lock ring;4, reinforcing rib;5, the first braking Hoof;6, the second brake-shoe;7, adjustable mandril body;8, supporting pin;9, wheel cylinder;10, layer is braked;11, outer shell;12, it rubs Warning piece;13, heat dissipation fluting;14, cooling fin;15, acoustical cotton;16, chip space.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment
As shown in Figs 1-4, a kind of high-strength gray cast iron automobile brake drum, including brake drum main body 1, reinforcing rib 4 and heat dissipation Fluting 13, the top of the brake drum main body 1 is connected with mounting flange 2, is evenly arranged on the mounting flange 2 multiple The bottom of mounting hole 21, the brake drum main body 1 is connected with lock ring 3, the brake drum between the lock ring 3 and mounting flange 2 Reinforcing rib 4 is installed, the inside of the brake drum main body 1 is equipped with the first brake-shoe 5 and the second brake-shoe 6, described in main body 1 First brake-shoe 5 and the second brake-shoe 6 are symmetrical arranged about Y-axis, between 5 and second brake-shoe of the first brake-shoe, 6 both ends It is connected separately with adjustable mandril body 7 and supporting pin 8, wheel cylinder is installed between first brake-shoe, 5 and second brake-shoe 6 9, the brake drum main body 1 is by being arranged the braking layer 10 on the inside of brake drum main body 1 and being arranged in the outer of 1 outside of brake drum main body Shell 11 forms, and heat dissipation fluting 13, the inner wall of the heat dissipation fluting 13 are provided on the opposite outer shell 11 of the braking layer 10 On be installed with cooling fin 14, the inside of the heat dissipation fluting 13 is filled with acoustical cotton 15, here by the heat dissipation of brake drum with Sound-absorbing is combined setting, improves noise reduction, the heat dissipation performance of automobile brake drum, and reduce the structural thickness of automobile brake drum, carries The sensitivity of high brake drum.
1 inside of brake drum main body of 10 bottom of the braking layer offers chip space 16, is braked when can brake brake drum Brake drum is discharged by chip space 16 in the friction abrasive material generated that rubs, and can make close brake contact between braking layer 10 and brake-shoe, The insensitivity of automobile brake drum is effectively improved, the inside of the braking layer 10 is equipped with friction warning piece 12, the friction 12 thickness of warning piece is 0.5-1.0mm, after the braking layer 10 on automobile brake drum is worn to a certain extent, in the process of braking In can make drag friction between brake-shoe and friction warning piece 12, using the variation of brake friction material, brake-shoe is warned with friction Show the sound that will jangle when 12 drag friction of piece, driver is reminded to replace the brake drum, convenient for replacing brake drum in time, protects The braking ability of automobile brake drum is demonstrate,proved, the cooling fin 14 uses aluminium radiator fin, aluminium radiator fin perfect heat-dissipating, the cooling fin One layer of heat-conducting silicone grease is coated between 14 and heat dissipation 13 inner walls of fluting, the heat braked on layer 10 can be quickly transferred to by heat-conducting silicone grease It radiates on cooling fin 14, improves radiating efficiency, the brake drum main body 1 is made of high-strength gray cast iron material, is processed Conveniently, thermal capacity is big.
Operation principle:This kind of high-strength gray cast iron automobile brake drum is made by the first brake-shoe 5 and second when in use The braking to automobile, the braking layer in brake drum main body 1 are realized in friction between braking layer 10 on dynamic hoof 6 and brake drum main body 1 10 generate a large amount of drag friction heat and friction noise when being braked with brake-shoe, opposite by the braking layer 10 in brake drum The heat dissipation fluting 13 being arranged on outer shell 11, will be on brake drum using the cooling fin 14 and acoustical cotton 15 installed in heat dissipation fluting 13 The drag friction heat and friction noise rapid cooling and sound-absorbing generated when braking reduces automobile brake drum and uses noise, effectively carries The heat dissipation performance of high automobile brake drum, and the chip space 16 opened up in 1 inside of brake drum main body of 10 bottom of braking layer can incite somebody to action Brake drum is discharged by chip space 16 in the friction abrasive material that drag friction generates when brake drum is braked, can make braking layer 10 and brake-shoe it Between close brake contact, effectively improve the insensitivity of automobile brake drum, with good economic efficiency and social benefit is fitted Conjunction is promoted the use of.
Finally it should be noted that:The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of high-strength gray cast iron automobile brake drum, including brake drum main body(1), reinforcing rib(4)It slots with heat dissipation(13), It is characterized in that:The brake drum main body(1)Top be connected with mounting flange(2), the mounting flange(2)On uniformly set It is equipped with multiple mounting holes(21), the brake drum main body(1)Bottom be connected with lock ring(3), the lock ring(3)And mounting flange Disk(2)Between brake drum main body(1)On reinforcing rib is installed(4), the brake drum main body(1)Inside the first system is installed Dynamic hoof(5)With the second brake-shoe(6), first brake-shoe(5)With the second brake-shoe(6)It is symmetrical arranged about Y-axis, described the One brake-shoe(5)With the second brake-shoe(6)Adjustable mandril body is connected separately between both ends(7)And supporting pin(8), described first Brake-shoe(5)With the second brake-shoe(6)Between wheel cylinder is installed(9), the brake drum main body(1)By being arranged in brake drum Main body(1)The braking layer of inside(10)With setting in brake drum main body(1)The outer shell in outside(11)Composition, the braking layer (10)Opposite outer shell(11)On be provided with heat dissipation fluting(13), the heat dissipation fluting(13)Inner wall on be installed with it is scattered Backing(14), the heat dissipation fluting(13)Inside be filled with acoustical cotton(15).
2. a kind of high-strength gray cast iron automobile brake drum according to claim 1, it is characterised in that:The braking layer(10) The brake drum main body of bottom(1)Inside offers chip space(16).
3. a kind of high-strength gray cast iron automobile brake drum according to claim 1, it is characterised in that:The braking layer(10) Inside friction warning piece is installed(12), the friction warning piece(12)Thickness is 0.5-1.0mm.
4. a kind of high-strength gray cast iron automobile brake drum according to claim 1, it is characterised in that:The cooling fin(14) Using aluminium radiator fin, the cooling fin(14)It slots with heat dissipation(13)One layer of heat-conducting silicone grease is coated between inner wall.
5. a kind of high-strength gray cast iron automobile brake drum according to claim 1, it is characterised in that:The brake drum main body (1)It is made of high-strength gray cast iron material.
CN201820150405.7U 2018-01-30 2018-01-30 A kind of high-strength gray cast iron automobile brake drum Expired - Fee Related CN207848262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820150405.7U CN207848262U (en) 2018-01-30 2018-01-30 A kind of high-strength gray cast iron automobile brake drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820150405.7U CN207848262U (en) 2018-01-30 2018-01-30 A kind of high-strength gray cast iron automobile brake drum

Publications (1)

Publication Number Publication Date
CN207848262U true CN207848262U (en) 2018-09-11

Family

ID=63413535

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820150405.7U Expired - Fee Related CN207848262U (en) 2018-01-30 2018-01-30 A kind of high-strength gray cast iron automobile brake drum

Country Status (1)

Country Link
CN (1) CN207848262U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109595274A (en) * 2018-12-30 2019-04-09 河北百龙汽车配件制造有限公司 A kind of noise reducing type automobile brake drum

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109595274A (en) * 2018-12-30 2019-04-09 河北百龙汽车配件制造有限公司 A kind of noise reducing type automobile brake drum

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20191218

Address after: 300450 Dagang Economic Development Zone, Binhai New Area, Tianjin

Patentee after: Tianjin Sanhe iron products Co., Ltd

Address before: 364222 99-1 tea field village, Cha Di Township, Shanghang County, Longyan, Fujian

Patentee before: Wen Shoushu

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180911

Termination date: 20210130

CF01 Termination of patent right due to non-payment of annual fee