CN208503306U - A kind of noise reduction drum brake - Google Patents
A kind of noise reduction drum brake Download PDFInfo
- Publication number
- CN208503306U CN208503306U CN201820821970.1U CN201820821970U CN208503306U CN 208503306 U CN208503306 U CN 208503306U CN 201820821970 U CN201820821970 U CN 201820821970U CN 208503306 U CN208503306 U CN 208503306U
- Authority
- CN
- China
- Prior art keywords
- friction plate
- brake
- shoe
- friction
- supporting pin
- 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
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
A kind of noise reduction drum brake, including the first brake-shoe, the first friction plate, wheel cylinder, brake drum, back-plate;It is characterized by: can be rotated respectively around the first supporting pin and the second supporting pin when the first brake-shoe and the second brake-shoe are by motive force from wheel cylinder, be bundled in one piece by rivet between first friction plate and the second friction plate and the first brake-shoe and the second brake-shoe, the first friction plate top when braking, the first friction plate middle part, the first friction plate lower part, the second friction plate top, in the middle part of the second friction plate, the second friction plate lower part can all contact generation frictional force with brake drum.Increase the middle contact product of the first, second brake-shoe and brake drum, the intermediate contact stress of the first brake-shoe and brake drum, the second brake-shoe and brake drum can be reduced in the case where brake pressure remains unchanged.And brake oil can be reduced using the first friction plate and the second friction plate material of different performance by being segmented, and reduce manufacturing cost.
Description
Technical field
The utility model relates to the drum brakes of a kind of brake-shoe with decrease of noise functions and friction plate structure.
Background technique
Drum brake developing history is long, is applied on various vehicles in early days, with the development of technology, drum-type system at present
Dynamic device is chiefly used on truck.Existing drum brake mainly has neck from shoe type, double-collar and shoe type, double from shoe type, self-boosting type etc.,
No matter which kind of form, be all by the interaction between brake-shoe, friction plate and brake drum to generating braking moment.In automobile
During running at high speed, it may occur that the problems such as the fever of brake, abrasion, vibration noise, especially in braking process, can generate
Dithering noise influences traffic safety, occupant comfort and components service life.Therefore, vehicular manufacturer, brake component
The challenge for reducing high maintenance cost, braking system and vehicular manufacturer setting in braking system are faced with friction material supplier
Meter production, controls, consumes a large amount of man power and materials in maintenance.Find a kind of measure that can greatly reduce brake oil
There will be abyss meaning to the improvement of drum brake.
Summary of the invention
The utility model aims to solve the above problems, provide one kind in the case where not influencing brake force size as far as possible,
Reduce the drum brake of brake oil and production cost.It is realized particular by following technical scheme:
A kind of noise reduction drum brake, including the first supporting pin 1, the first brake-shoe 2, the first friction plate 3, wheel cylinder 4
, retainer spring 5, the second friction plate 6, the second brake-shoe 7, the second supporting pin 8, brake drum 9, back-plate 10;It is special
Sign is: the first supporting pin 1 supports the first brake-shoe 2, and the second supporting pin 8 supports the second brake-shoe 7, the first supporting pin 1 and the
Two supporting pins 8 are fixed on back-plate 10；When the first brake-shoe 2 and the second brake-shoe 7 are by from wheel cylinder 4
Motive force when can be rotated respectively around the first supporting pin 1 and the second supporting pin 8, the first friction plate 3 and the second friction plate 6 and the
One piece is bundled in by rivet 14 between one brake-shoe 2 and the second brake-shoe 7, the first friction plate top 11, first when braking
In the middle part of friction plate under the 12, first friction plate lower part 13, the second friction plate top 15, the 16, second friction plate of the second friction plate middle part
Portion 17 can all be contacted with brake drum 9 generates frictional force；Wheel cylinder 4 is directly anchored on back-plate 10 by bolt 41；
Retainer spring 5 is hung on the first brake-shoe 2 and the second brake-shoe 7 by third hole 44 and the 4th hole 45, and playing makes the
The effect that one brake-shoe 2 and the second brake-shoe 7 reset.
Especially: the first friction plate 3 divides for three parts: 12, first in the middle part of the first friction plate top 11, the first friction plate
Friction plate lower part 13.Second friction plate 6 divides for three parts: 16, second rubs in the middle part of the second friction plate top 15, the second friction plate
Piece lower part 17；First friction plate top 11, the first friction plate lower part 13, the second friction plate top 15 and the second friction plate lower part 17
Using plastic asbestos material, 16 use powdered metallurgical material in the middle part of the first friction plate middle part 12 and the second friction plate；First friction
Piece top 11 and the first friction plate lower part 13 respectively account for a quarter of 3 gross area of the first friction plate, and 12 account in the middle part of the first friction plate
The half of first friction plate, 3 gross area；Second friction plate top 15 and the second friction plate lower part 17 respectively account for the second friction plate 6
The a quarter of the gross area, the second friction plate middle part 15 account for the half of 6 gross area of the second friction plate, 3 He of the first friction plate
Whole top view, that is, the Fig. 2 and Fig. 3 of second friction plate 6 is arc-shaped；And the first brake-shoe 2 and the second brake-shoe 7 use first
The arc-shaped i.e. intermediate area of 2 top views of brake-shoe, that is, Fig. 4 and the second 7 top views of brake-shoe, that is, Fig. 5 is big, the small structure of both ends area
Form；First friction plate 3 and the second friction plate 6 are aligned with the edge line of the first brake-shoe 2 and the second brake-shoe 7；When friction is made
When dynamic, often the intermediate contact stress of the first brake-shoe 2 and brake drum 9, the second brake-shoe 7 and brake drum 9 is larger, so increasing
The middle contact product of the middle contact of first brake-shoe 2 and brake drum 9 product, the second brake-shoe 7 and brake drum 9, Ke Yi
In the case that brake pressure remains unchanged, the centre of the first brake-shoe 2 and brake drum 9, the second brake-shoe 7 and brake drum 9 is reduced
Contact stress.And on the one hand being segmented can be greatly reduced using the first friction plate 3 and 6 material of the second friction plate of different performance
On the other hand brake oil can reduce manufacturing cost.
The utility model advantage is:
1, brake oil can be reduced, while the influence to brake force is smaller.
2, friction plate uses three-stage, according to different parts needs that different materials can be used, reduces production cost,
And the friction plate being arranged so is easily worked.
3, the structure of brake-shoe is simple, easy processing, and should not damage, and can rationally utilize space.
4, changed on the basis of original structure, although the structure of change brake-shoe and friction plate, for
Other components of brake still can be used these components and assembled almost without influence.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the first friction plate top view described in the utility model；
Fig. 3 is the second friction plate top view described in the utility model；
Fig. 4 is the first brake-shoe top view；
Fig. 5 is the second brake-shoe top view；
The first supporting pin of 1-；The first brake-shoe of 2-；The first friction plate of 3-；4- wheel cylinder；5- brake-shoe return bullet
Spring；The second friction plate of 6-；The second brake-shoe of 7-；The second supporting pin of 8-；9- brake drum；10- back-plate；11- first rubs
Piece top；In the middle part of the first friction plate of 12-；The first friction plate of 13- lower part；14- rivet；The second friction plate of 15- top；16- second
In the middle part of friction plate；The second friction plate of 17- lower part；41- bolt；The first hole 42-；The second hole 43-；44- third hole；The 4th hole 45-.
Specific embodiment
The utility model will be further described with reference to the accompanying drawing.
Material: the first supporting pin 1 and the second supporting pin 8 are all made of 45-GB699-65, the first brake-shoe 2 and the second braking
Hoof 7 is all made of 15-GB699-65, and wheel cylinder 4 uses HT20-40GB976-67, and retainer spring 5 uses steel wire 25-
YB550-65, brake drum 9 use HT18-36, and back-plate 10 uses B-32-GB708-65, and the first friction plate 3 and second rubs
The material of pad 6 is consistent, the first friction plate top 11 and the first friction plate lower part 13 use plastics asbestos, on the second friction plate
16 use plastics asbestos in the middle part of portion 15 and the second friction plate, and the first friction plate middle part 12 and the second friction plate middle part 16 use powder
Metallurgical material, rivet 14 use 45-GB699-65, and bolt 41 uses 17-GB907-66.
As shown in Figure 1, the first supporting pin 1 and the second supporting pin 8 are for supporting the first brake-shoe 2 and the second brake-shoe 7
, the first supporting pin 1 is linked by the first hole 42 with the first brake-shoe 2, and the second supporting pin 8 passes through the second hole 43 and the second braking
Hoof 7 links, and the first supporting pin 1 and the second supporting pin 8 are fixed on back-plate 10, when the first brake-shoe 2 is come from
It can be rotated around the first supporting pin 1 when the motive force of wheel cylinder 4, when the second brake-shoe 7 is by the motive force from wheel cylinder 4
When can be rotated around the second supporting pin 8.Between first friction plate 3 and the second friction plate 6, the first brake-shoe 2 and the second brake-shoe 7
It is bundled in one piece by rivet 14, can be in contact with brake drum 9 when the first friction plate 3 and the second friction plate 6 work and play production
The effect of raw friction.Wheel cylinder 4 is directly anchored on back-plate 10 by bolt 41, and it is first that wheel cylinder 4, which plays,
Brake-shoe 2 and the second brake-shoe 7 provide the effect of motive force, and bolt 41 is connected with back-plate 10.Retainer spring
5 are hung on the first brake-shoe 2 and the second brake-shoe 7 by third hole 44 and the 4th hole 45, and retainer spring 5, which plays, to be made
The effect that first brake-shoe 2 and the second brake-shoe 7 reset, retainer spring 5 are constantly in tensional state.
As shown in Figures 2 and 3, all divide three parts, the first friction plate top 11 the first friction plate 3 and the second friction plate 6
It is identical with the area of the first friction plate lower part 13, the half of 3 gross area of the first friction plate, i.e. the first friction plate top are accounted for altogether
11 and first friction plate lower part 13 respectively account for a quarter of 3 gross area of the first friction plate, 12 account for first and rub in the middle part of the first friction plate
The half of 3 gross area of pad, the second friction plate top 15 is identical with the area of the second friction plate lower part 17, accounts for second altogether and rubs
The half of 6 gross area of pad, i.e. the second friction plate top 15 and the second friction plate lower part 17 respectively account for the total face of the second friction plate 6
Long-pending a quarter, the second friction plate middle part 15 account for the half of 6 gross area of the second friction plate, the first friction plate 3 and second
Whole top view, that is, the Fig. 2 and Fig. 3 of friction plate 6 be it is arc-shaped, the first friction plate 3 and the second friction plate 6 and the first brake-shoe 2 and
The edge line of second brake-shoe 7 is aligned.Different friction plate materials, present design are used in conjunction with the stress intensity of different parts
In the first friction plate top 11 and the first friction plate lower part 13 use plastics asbestos, the second friction plate top 15 and the second friction
16 use plastics asbestos in the middle part of piece, and the first friction plate middle part 12 and the second friction plate middle part 16 use powdered metallurgical material.
As shown in Figure 4 and Figure 5, the structure of the first brake-shoe 2 and the second brake-shoe 7 uses middle part area both ends bigger than normal less than normal
And top view, that is, Fig. 4 and Fig. 5 are arc-shaped, are to combine the first friction plate of the design top 11, the first friction plate middle part in this way
12, the structure of the first friction plate lower part 13, the second friction plate top 15, the 16, second friction plate lower part 17 of the second friction plate middle part
Feature, in the case where brake pressure size is constant, by area increased to realize the size for reducing middle part pressure, to the greatest extent may be used
Can obtain reduces frictional noise.
When braking, wheel cylinder 4 will push that the first brake-shoe 2 is rotated around the first supporting pin 1, the second brake-shoe 7 is around second
Supporting pin 2 rotates, so that the 12, first friction plate lower part 13, second in the middle part of the first friction plate top 11, the first friction plate are rubbed
Pad top 15, the second friction plate middle part 16 and the second friction plate lower part 17 are pressed on brake drum 9, due to the brake drum 9 of rotation
Frictional force can be generated between motionless the first brake-shoe 2, the second brake-shoe 7 to generate braking moment, when wheel cylinder 4 not
When pushing the first brake-shoe 2 and the second brake-shoe 7 again, the first brake-shoe 2 and the second brake-shoe 7 can be in retainer springs 5
Under the action of return to initial position.Friction can be along with vibration, and sound can then be generated by vibrating, and in braking process, braking is made an uproar
Sound is mainly the vibration by the first brake-shoe 2 and the second brake-shoe 7, the first friction plate 3 and the second friction plate 6 and brake drum 9
And it generates.When the first brake-shoe 2 and the second brake-shoe 7 push the first friction plate 3 and the second friction plate 6 to be pressed on brake drum 9,
Since the first brake-shoe 2, the second brake-shoe 7, the first friction plate 3 and the second friction plate 6 are all that the big both ends area of intermediate area is small
Structure type, so will be greatly reduced intermediate stress, so that vibration also reduces therewith.
Claims (2)
1. a kind of novel noise reduction drum brake, including the first supporting pin 1, the first brake-shoe 2, the first friction plate 3, wheel cylinder
4, retainer spring 5, the second friction plate 6, the second brake-shoe 7, the second supporting pin 8, brake drum 9, back-plate 10;Its
Be characterized in that: the first supporting pin 1 supports the first brake-shoe 2, and the second supporting pin 8 supports the second brake-shoe 7,1 He of the first supporting pin
Second supporting pin 8 is fixed on back-plate 10；When the first brake-shoe 2 and the second brake-shoe 7 are by from wheel cylinder
Can be rotated respectively around the first supporting pin 1 and the second supporting pin 8 when 4 motive force, the first friction plate 3 and the second friction plate 6 with
It is bound together between first brake-shoe 2 and the second brake-shoe 7 by rivet 14；First friction plate 3 divides for three parts, and first
12, first friction plate lower part 13 in the middle part of friction plate top 11, the first friction plate；Second friction plate 6 divides for three parts, the second friction
16, second friction plate lower part 17 in the middle part of piece top 15, the second friction plate；The friction plate of different parts uses different area and material
Material；First friction plate top 11 when braking, the 12, first friction plate lower part 13 in the middle part of the first friction plate, the second friction plate top 15,
The 16, second friction plate lower part 17 can all be contacted with brake drum 9 in the middle part of second friction plate generates frictional force；Wheel cylinder 4 passes through spiral shell
Bolt 41 is directly anchored on back-plate 10；Retainer spring 5 hangs over the first system by third hole 44 and the 4th hole 45
On dynamic hoof 2 and the second brake-shoe 7, play the role of resetting the first brake-shoe 2 and the second brake-shoe 7.
2. a kind of novel noise reduction drum brake as described in claim 1, it is characterised in that: whole the first friction plate 3 is in arc
Shape, be divided into three parts: the first friction plate top 11 accounts for a quarter of 3 gross area of the first friction plate, the first friction plate top 11
Material using plastics asbestos, 12 half for accounting for 3 gross area of the first friction plate in the middle part of the first friction plate, in the first friction plate
The material in portion 12 accounts for a quarter of 3 gross area of the first friction plate, the first friction using powder metallurgy, the first friction plate lower part 13
The material of piece lower part 13 uses plastics asbestos；Second friction plate 6 is whole arc-shaped, is divided into three parts: the second friction plate top 15
The a quarter of 6 gross area of the second friction plate is accounted for, the material on the second friction plate top 15 is using in plastics asbestos, the second friction plate
Portion 16 accounts for the half of 6 gross area of the second friction plate, and the material at the second friction plate middle part 16 is using powder metallurgy, the second friction
Piece lower part 17 accounts for a quarter of 6 gross area of the second friction plate, and the material of the second friction plate lower part 17 uses plastics asbestos；First
The top view of 6 entirety of friction plate 3 and the second friction plate is arc-shaped, and 2 top view of the first brake-shoe and 7 top view of the second brake-shoe are in
Arc, i.e., big using intermediate area, the small structure type of both ends area；First friction plate 3 and the second friction plate 6 and the first braking
The alignment of the edge line of hoof 2 and the second brake-shoe 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820821970.1U CN208503306U (en) | 2018-05-30 | 2018-05-30 | A kind of noise reduction drum brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820821970.1U CN208503306U (en) | 2018-05-30 | 2018-05-30 | A kind of noise reduction drum brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503306U true CN208503306U (en) | 2019-02-15 |
Family
ID=65294564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820821970.1U Expired - Fee Related CN208503306U (en) | 2018-05-30 | 2018-05-30 | A kind of noise reduction drum brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906279A (en) * | 2019-06-07 | 2022-01-07 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Method for determining an operating variable of a drum brake, drum brake arrangement |
-
2018
- 2018-05-30 CN CN201820821970.1U patent/CN208503306U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906279A (en) * | 2019-06-07 | 2022-01-07 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Method for determining an operating variable of a drum brake, drum brake arrangement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105308347A (en) | Caliper brake device for railway vehicle | |
| CN208503306U (en) | A kind of noise reduction drum brake | |
| EP0286254B1 (en) | Drum brake assembly, brake shoes for same, and methods | |
| CN201092310Y (en) | Wet-type braking driving axle of loading machine | |
| CN110206832A (en) | With parking function can self-regulated self-boosting type drive a vehicle drum brake | |
| CN207297697U (en) | Novel friction plate system | |
| CN108458010A (en) | A kind of noise reduction drum brake | |
| CN102996691B (en) | For the compensation mechanism of braking gap of drum brake | |
| JP6081921B2 (en) | Partially lined disc brake with friction lining wear warning device | |
| CN205260694U (en) | Improve guide block guiding mechanism's drum brake | |
| CN101126425A (en) | Clutch brake | |
| CN208963219U (en) | A kind of fender component and scooter | |
| EP3951207B1 (en) | Brake pad arrangement | |
| CN207485911U (en) | Self energizing effort drum brake | |
| CN206874712U (en) | A kind of drum brake of energy electronic warning | |
| CN107939870B (en) | Friction plate with supporting spring steel wire | |
| CN208535039U (en) | A kind of drum brake of mechanical alarm | |
| CN204061659U (en) | A kind of vehicle brake shoes | |
| CN204061658U (en) | A kind of brake shoes | |
| CN204493519U (en) | The brake shoe assembly of drum brake for rear axle of lorry | |
| CN204061660U (en) | A kind of brake shoe assembly | |
| CN104006092B (en) | Rear brake structure | |
| CN104196925A (en) | Braking horseshoe for vehicle | |
| CN212657159U (en) | Heavy disc brake pad | |
| CN108463643A (en) | Floating caliper brake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20200530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |