CN204828374U - High -efficient braking drum brake - Google Patents
High -efficient braking drum brake Download PDFInfo
- Publication number
- CN204828374U CN204828374U CN201520432199.5U CN201520432199U CN204828374U CN 204828374 U CN204828374 U CN 204828374U CN 201520432199 U CN201520432199 U CN 201520432199U CN 204828374 U CN204828374 U CN 204828374U
- Authority
- CN
- China
- Prior art keywords
- brake shoe
- brake
- braking
- drum
- braking bottom
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 238000007667 floating Methods 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 210000000003 hoof Anatomy 0.000 abstract description 8
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a high -efficient braking drum brake, it is by the brake drum, the braking bottom plate, return spring, elder generation's brake shoe, back brake shoe and the friction disc that sets up on the brake shoe are constituteed, elder generation's brake shoe or back brake shoe both ends are equipped with the supporting pin, the braking bottom plate sets up in brake drum and first brake shoe or back brake shoe middle part, braking bottom plate one end extend to on the supporting pin and with first brake shoe, back brake shoe axial swing joint, top extension department of braking bottom plate is equipped with the compensation arrangement that floats, unsteady compensation arrangement passes through the connecting pin and is connected with the braking bottom plate, the retrothrust of brake shoe after elder generation's brake shoe becomes with the produced tangential frictional force of brake drum laminating, its motion kinetic energy shifts to braking kinetic energy, adopt the utility model discloses behind the stopper, make the outer circular arc centre of a circle of friction disc of brake shoe float through four -axis deflection, arc surface in the coaster brake hub that more can fully laminate, production braking friction power to produce the braking torque, be two to the brake shoe neck from the structural transformation and lead the hoof structures, bring up to former more than 100% of hoof of neck former from brake shoe moment.
Description
Technical field
The utility model relates to a kind of automobile drum type brake system, refers more particularly to a kind of drum brake of good braking effect.
Background technique
At present, in drum brake, as shown in Figure 1, Fig. 1 is original drum-like brake structure, no matter be advance or retreat running, two brake shoes one are only neck brake shoes, another is from brake shoe, maximum being no more than of braking moment produced from hoof leads 60% of hoof, therefore two brake shoes fail to play whole braking moment, in addition, because Brake shoe lining adhesive force is unbalanced, the frictional force produced is also unbalanced, the region frictional force that local adhesive force is strong is large, the region frictional force that adhesive force is little is little, the efficiency of overall friction brake force can not give full play to, also have, due to structure problem, make the large region of adhesive force, the local pad wear that rubs fast, thus overall friction plate reduces working life, the too fast rapid wear in friction plate local only weares and teares a small amount of in other local to wear limit, both are unbalanced, make friction plate premature failure, cause waste of material.
A few days ago, in order to improve Braking efficiency in industry, brake structural defect and increase wheel cylinder air pressure unilaterally, increase the adhesive force that brake cam rotary thrust produces brake shoe and wheel hub, increase braking moment, one effect is unsatisfactory, and it two causes other structural member mechanical strength properties inadequate, or the superzapping of topology layout space range, makes its manufacture cost high and DeGrain.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of motion energy of vehicle can transfer to braking kinetic energy, realizes the drum brake of effective displacement of efficiency.
In order to solve the problems of the technologies described above, the utility model provides one and efficiently brakes drum brake, it is by brake drum, braking bottom board, return spring, first brake shoe, rear brake shoe and the friction plate composition be arranged on brake shoe, described first brake shoe or rear brake shoe two ends are provided with supporting pin, described braking bottom board is arranged in the middle part of brake drum and first brake shoe or rear brake shoe, described braking bottom board one end to extend on supporting pin and with first brake shoe, rear shaft of brake hoof is to flexible connection, described braking bottom board top extended spot is provided with floating compensation device, described floating compensation device is by moment of torsion variable regulating mechanism, first interlock deflection arm, second interlock deflection arm and interlock connecting rod composition, described first interlock deflection arm and the second interlock deflection arm are arranged at moment of torsion variable regulating mechanism two ends and suitable with it, described floating compensation device is connected with braking bottom board by connecting pin, described moment of torsion variable regulating mechanism two ends are movably connected on supporting pin, described moment of torsion variable regulating mechanism and first brake shoe, rear shaft of brake hoof is to floating displacement, the fit tangential friction force that produces of described first brake shoe and brake drum becomes the retrothrust of rear brake shoe, its motion energy shifts to braking kinetic energy.
Described braking bottom board one end is provided with dust-proof cover, and described first brake shoe, rear brake shoe two ends and camshaft are fitted, and described camshaft is through dust-proof cover.
After the utility model adopts this break, its beneficial effect is:
The application has followed conventional gas drum brake cam rotation brake principle, keep former wheel cylinder, air chamber, camshaft, axle housing, wheel hub, brake drum constant, by four axle deflections, floated in the friction plate external arc center of circle of brake shoe, more fully to fit brake hub inner arc surface, produce braking friction, thus produce braking torque;
Described braking bottom board top extended spot is provided with floating compensation device, brake shoe is led from Structure Transformation and is two neck hoof structures, brings up to more than 100% of former neck hoof former from brake shoe moment; First brake shoe and brake drum are fitted the tangential friction force produced, and become the retrothrust of rear brake shoe, the motion energy of vehicle is shifted to braking kinetic energy, realize effective displacement of efficiency, realize more energy-conservation, more environmental protection, more efficient.
All friction disc wears are even, realize full arc balance abrasion, material use realizes environmental protection and energy saving, improve the utilization ratio of rapid wear material.
Described braking bottom board top extended spot is provided with floating compensation device, described floating compensation device is by moment of torsion variable regulating mechanism, first interlock deflection arm, second interlock deflection arm and interlock connecting rod composition, the braking torque of break produces frictional force after first brake shoe and wheel hub Inner arc are fitted to be applied on rear brake shoe, after being equivalent to the effect of vehicle driving kinetic energy, the adhesive force of brake shoe after rear brake shoe increases, the braking moment of brake shoe after increasing, the braking moment of whole break is in a basis of valuation, along with Velicle motion velocity is faster, braking moment is larger, whole braking moment is a variable, this variable changes within the specific limits with vehicle driving velocity variations.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art drum brake.
Fig. 2 is the structural representation that the utility model efficiently brakes drum brake.
Fig. 3 is that the utility model efficiently brakes drum brake assembly explosive view.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, can not be interpreted as it is to restriction of the present utility model;
According to Fig. 2-3, one efficiently brakes drum brake, it is by brake drum 1, braking bottom board 2, return spring 3, first brake shoe 401, rear brake shoe 402 and the friction plate 5 be arranged on brake shoe form, described first brake shoe 401 or rear brake shoe 402 two ends are provided with supporting pin 6, described braking bottom board 2 is arranged in the middle part of brake drum 1 and first brake shoe 401 or rear brake shoe 402, described braking bottom board 2 one end to extend on supporting pin 6 and with first brake shoe 401, rear brake shoe 402 is axially flexibly connected, described braking bottom board 2 top extended spot is provided with floating compensation device, described floating compensation device is by moment of torsion variable regulating mechanism 701, first interlock deflection arm 702, second interlock deflection arm 703 and interlock connecting rod 704 form, described first interlock deflection arm 702 and the second interlock deflection arm 703 are arranged at moment of torsion variable regulating mechanism 701 two ends and suitable with it, described floating compensation device is connected with braking bottom board 2 by connecting pin 8, described moment of torsion variable regulating mechanism 701 two ends are movably connected on supporting pin 6, described moment of torsion variable regulating mechanism 701 and first brake shoe 401, the displacement of rear brake shoe 402 axial float, the fit tangential friction force that produces of described first brake shoe 401 and brake drum 1 becomes the retrothrust of rear brake shoe 402, its motion energy shifts to braking kinetic energy, described braking bottom board 2 one end is provided with dust-proof cover 9, and described first brake shoe 401, rear brake shoe 402 two ends and camshaft 10 are fitted, and described camshaft 10 is through dust-proof cover 9.
Moment of torsion variable regulating mechanism 701 is fixedly connected with supporting pin 6, first interlock deflection arm 702 and the second interlock deflection arm 703 are assembled into integrative-structure with moment of torsion variable regulating mechanism 701, after brake groups installs into, in break running, four axle deflections are made by floating compensation device, the friction plate external arc center of circle is allowed to float, friction plate 5 more can fully be fitted brake hub inner arc surface, produce braking friction, thus generation braking torque, the braking torque of break is made up of two-part, one is that gas wheel cylinder actuating cam rotates, brake shoe laminating wheel hub produces the braking torque that tangential friction force produces, another part produces frictional force after first brake shoe and wheel hub Inner arc are fitted to be applied on rear brake shoe, after being equivalent to the effect of vehicle driving kinetic energy, the adhesive force of brake shoe after rear brake shoe increases, the braking moment of brake shoe after increasing, the braking moment of whole like this break is in a basis of valuation, along with Velicle motion velocity is faster, braking moment is larger, this braking moment is a variable, this variable changes within the specific limits with vehicle driving velocity variations.
Claims (2)
1. efficiently brake drum brake for one kind, it is characterized in that: it is by brake drum (1), braking bottom board (2), return spring (3), first brake shoe (401), rear brake shoe (402) and friction plate (5) composition be arranged on brake shoe, described first brake shoe (401) or rear brake shoe (402) two ends are provided with supporting pin (6), described braking bottom board (2) is arranged at brake drum (1) and first brake shoe (401) or rear brake shoe (402) middle part, described braking bottom board (2) one end extend to supporting pin (6) upper and with first brake shoe (401), rear brake shoe (402) is axially flexibly connected, described braking bottom board (2) top extended spot is provided with floating compensation device, described floating compensation device is by moment of torsion variable regulating mechanism (701), first interlock deflection arm (702), second interlock deflection arm (703) and interlock connecting rod (704) composition, described first interlock deflection arm (702) and the second interlock deflection arm (703) are arranged at moment of torsion variable regulating mechanism (701) two ends and suitable with it, described floating compensation device is connected with braking bottom board (2) by connecting pin (8), described moment of torsion variable regulating mechanism (701) two ends are movably connected on supporting pin (6), described moment of torsion variable regulating mechanism (701) and first brake shoe (401), rear brake shoe (402) axial float displacement, the fit tangential friction force that produces of described first brake shoe (401) and brake drum (1) becomes the retrothrust of rear brake shoe (402), its motion energy shifts to braking kinetic energy.
2. efficient braking drum brake according to claim 1, it is characterized in that: described braking bottom board (2) one end is provided with dust-proof cover (9), described first brake shoe (401), rear brake shoe (402) two ends and camshaft (10) are fitted, and described camshaft (10) is through dust-proof cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432199.5U CN204828374U (en) | 2015-06-23 | 2015-06-23 | High -efficient braking drum brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432199.5U CN204828374U (en) | 2015-06-23 | 2015-06-23 | High -efficient braking drum brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204828374U true CN204828374U (en) | 2015-12-02 |
Family
ID=54685979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520432199.5U Expired - Fee Related CN204828374U (en) | 2015-06-23 | 2015-06-23 | High -efficient braking drum brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204828374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948614A (en) * | 2015-06-23 | 2015-09-30 | 胡正林 | Efficient brake drum type brake |
-
2015
- 2015-06-23 CN CN201520432199.5U patent/CN204828374U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948614A (en) * | 2015-06-23 | 2015-09-30 | 胡正林 | Efficient brake drum type brake |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |