CN207634560U - The brake shoes of secondary braking - Google Patents
The brake shoes of secondary braking Download PDFInfo
- Publication number
- CN207634560U CN207634560U CN201721849804.4U CN201721849804U CN207634560U CN 207634560 U CN207634560 U CN 207634560U CN 201721849804 U CN201721849804 U CN 201721849804U CN 207634560 U CN207634560 U CN 207634560U
- Authority
- CN
- China
- Prior art keywords
- secondary braking
- brake
- shoe
- hoof
- wall
- 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
The utility model provide a kind of novel in structural design, the secondary braking that secondary braking can be achieved brake shoes；It is in the secondary braking hoof of half a month arcuation including two, is equipped with sleeve at the center of two secondary braking hoof, a rotating disk is equipped with by bearing on casing, rotating disk can be rotated by bearing on casing；It is respectively equipped with an interior slide wall seamlessly transitted on the madial wall of two secondary braking hoof movable ends, is set in the rotating disk there are two symmetrically arranged secondary braking protrusion, and the end face of secondary braking protrusion is contacted with interior slide wall；Brake-shoe is additionally provided on the madial wall of the secondary braking hoof, the madial wall of the brake-shoe movable end is in the slide wall seamlessly transitted, and the distance between described slide wall to the rotation disk center is gradually reduced by the movable end of middle part to the brake-shoe of brake-shoe；It is additionally provided on the turntable and is contacted with the slide wall with the matched detent bumps of the slide wall, the detent bumps.
Description
Technical field
The utility model is related to the brake shoes of brake shoes technical field more particularly to a kind of secondary braking.
Background technology
Brake shoe refers to the actuating quantity by brake cam or push rod and is pushed to outer expansion compacting brake and heaves braking action
Accessory, be installed on brake rim, be one of breaking piece crucial in brake system of car, brake shoe rubs brake rim
Inner wall plays the role of slowing down or stopping.
Invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, adapt to reality and need, provide a kind of structure design
The brake shoes of secondary braking novel, that secondary braking can be achieved.
In order to realize the purpose of this utility model, technical solution is used by the utility model：
Design a kind of brake shoes of secondary braking, including two be in half a month arcuation secondary braking hoof, two are secondary
It is respectively equipped with friction plate on the lateral wall of brake-shoe；About two secondary brakings on two secondary braking hoof central symmetry directions
One end end of hoof is flexibly connected by an axis pin respectively, and the other end of two secondary braking hoof is movable end and can be outer outward
；It is characterized in that：
Preferably, symmetrical both sides are respectively equipped with an extension spring, two secondary braking hoof between two secondary braking hoof
Two secondary braking hoof are closed by two extension springs；
Preferably, it is equipped with sleeve at the center of two secondary braking hoof, a rotating disk is equipped with by bearing on casing,
Rotating disk can be rotated by bearing on casing；
Preferably, an interior slide wall seamlessly transitted is respectively equipped on the madial wall of two secondary braking hoof movable ends, it is described
Interior slide wall to the distance between the rotation disk center is gradually subtracted by the movable end of middle part to the secondary braking hoof of secondary braking hoof
It is small；
Preferably, it is set in the rotating disk there are two symmetrically arranged secondary braking protrusion, two secondary brakings protrusion
End is in the cambered surface seamlessly transitted, and two secondary braking protrusions are corresponded with two interior slide walls, and the end of secondary braking protrusion
Face is contacted with interior slide wall；
Preferably, one of them described secondary braking protrusion is equipped with a pin rod being connect with outer brake pull rod；
Preferably, the inner side end of the friction plate and the madial wall of the secondary braking hoof are in same plane together；Position
In being additionally provided with brake-shoe on the madial wall of the secondary braking hoof, brake-shoe is in arcuation, and one end of brake-shoe is also articulated with institute
It states on axis pin, the other end of the brake-shoe is movable end and terminates at 2/3 length of the secondary braking hoof；
Preferably, the outer wall of the brake-shoe is equipped with secondary friction plate, and the madial wall of the brake-shoe movable end is in
The slide wall seamlessly transitted, described slide wall to described rotation the distance between disk center by brake-shoe middle part to brake-shoe activity
End is gradually reduced；It is additionally provided on the turntable and is connect with the slide wall with the matched detent bumps of the slide wall, the detent bumps
It touches；
Preferably, it is equipped with the brake-shoe on two secondary braking hoof, further includes resetting spring, the resetting spring
Both ends are connect with the movable end of two brake-shoes respectively, and the movable end of two brake-shoes of resetting spring pair applies pulling force.
Preferably, the movable end side wall of the secondary braking hoof is equipped with stop block, is set on the movable end of the brake-shoe
There is limit protrusion, when the brake-shoe is returned to initial position by the resetting spring, the limit protrusion is against described stop
On the block of position.
The beneficial effects of the utility model are：
Its novel in structural design of the design, may be implemented secondary braking in use by the brake-shoe of the design, avoid by
Not in place lead to traffic accident in braking.
Description of the drawings
Fig. 1 is one of the primary structure schematic diagram of the utility model；
Fig. 2 is another schematic diagram of primary structure of the utility model；
Fig. 3 is another schematic diagram of primary structure of the utility model；
Fig. 4 is another schematic diagram of primary structure of the utility model；
In figure：1. secondary braking hoof;2. friction plate;3. axis pin;4. extension spring;Slide wall in 5.;6. casing;7. rotation
Disk;8. secondary braking is raised;9. pin rod;10. detent bumps;11. brake-shoe;12. two friction plates;13. slide wall;14. stop bit
Block;15. resetting spring.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples：
Embodiment 1：A kind of brake shoes of secondary braking, referring to Fig. 1 to Fig. 4；It is in half a month arcuation that it, which includes two,
Secondary braking hoof 1 is respectively equipped with friction plate 2 on the lateral wall of two secondary braking hoof 1；About two 1 centers of secondary braking hoof
One end end of two secondary braking hoof on symmetry direction is flexibly connected by an axis pin 9 respectively, two secondary braking hoof 1
The other end is movable end and can be outer outward.
The design symmetrical both sides between two secondary braking hoof 1 are respectively equipped with an extension spring 4, two secondary brakings
Two secondary braking hoof are closed by hoof 1 by two extension springs 4；Meanwhile it being equipped at the center of two secondary braking hoof 1 a set of
Pipe 6 is equipped with a rotating disk 7 on casing 6 by bearing, and rotating disk 7 can be rotated by bearing on casing.
Further, an interior slide wall 13 seamlessly transitted is respectively equipped on the madial wall of two 1 movable ends of secondary braking hoof,
The interior slide wall 13 to described rotation the distance between disk center by secondary braking hoof middle part to secondary braking hoof movable end
It is gradually reduced；Meanwhile set in the rotating disk there are two symmetrically arranged secondary braking protrusion 8, two secondary braking protrusions 8
End is in the cambered surface seamlessly transitted, and two secondary braking protrusions 8 and two interior slide walls correspond, and the end of secondary braking protrusion
Face is contacted with interior slide wall.
Further, one of them described secondary braking protrusion 8 is equipped with a pin rod 9 being connect with outer brake pull rod.
Further, the madial wall of the inner side end of the friction plate 2 and the secondary braking hoof 1 is in together same flat
Face.
Further, brake-shoe 11 is additionally provided on the madial wall of the secondary braking hoof 1, brake-shoe 11 is in arcuation,
And one end of brake-shoe 11 is also articulated on the axis pin 3, the other end of the brake-shoe 11 is movable end and terminates in described two
At 2/3 length of secondary brake-shoe；The outer wall of the brake-shoe 11 is equipped with secondary friction plate 12,11 movable end of the brake-shoe
Madial wall be in the slide wall 13 that seamlessly transits, the distance between described slide wall 13 to described rotation disk center by brake-shoe middle part
Movable end to brake-shoe is gradually reduced.
Further, it is additionally provided on the turntable 7 and 13 matched detent bumps 10 of the slide wall, the detent bumps 10
It is contacted with the slide wall 13.
Further include resetting spring 15 as shown in Fig. 2, being equipped with the brake-shoe 11 on two secondary braking hoof 1, it is described multiple
The both ends of position spring 15 are connect with the movable end of two brake-shoes 11 respectively, and resetting spring 15 is to the movable end of two brake-shoes
Apply pulling force.
Further, as shown in figure 4, the movable end side wall of the secondary braking hoof 1 is equipped with stop block 14, the braking
The movable end of hoof is equipped with limit protrusion, when the brake-shoe is returned to initial position by the resetting spring, the limit
Protrusion is against on the stop block.
The present apparatus in the initial state, as shown in figure 4, brake-shoe is retracted by return spring at this time, at this point, brake-shoe is movable
The limit protrusion at end is against on stop block；Extension spring retracts secondary braking hoof.
When braking, referring to Fig. 3, external brake bar pulls pin rod that turntable is promoted to rotate, when turntable rotates, secondly
Secondary braking is convex to be contacted with slide wall and applies thrust to slide wall first, at this point, detent bumps row passes through to the middle position of slide wall
Outside two brake-shoes are promoted the secondary friction plate on brake-shoe to contact the primary braking of realization, this process with brake drum by this thrust
In, secondary braking protrusion is not contacted with interior slide wall.
When needing to brake again, referring to Fig. 1,2, continues through brake bar and pull turntable rotation, at this point, secondary braking
Raised to be contacted with interior slide wall, then, secondary braking protrusion promotes to open outside two secondary braking hoof, at this point, brake-shoe continues through
Detent bumps promote it to be contacted with brake drum, in this way, it can be achieved that by secondary braking hoof, the purpose of brake-shoe braking,
The generation to avoid traffic accident.
What the embodiments of the present invention were announced is preferred embodiment, and however, it is not limited to this, the common skill of this field
Art personnel understand the spirit of the utility model easily according to above-described embodiment, and make different amplification and variation, but as long as
The spirit of the utility model is not departed from, it is all within the protection scope of the present utility model.
Claims (2)
1. a kind of brake shoes of secondary braking, including two be in half a month arcuation secondary braking hoof, two secondary braking hoof
Lateral wall on be respectively equipped with friction plate；One about two secondary braking hoof on two secondary braking hoof central symmetry directions
End is held to be flexibly connected respectively by an axis pin, the other end of two secondary braking hoof is movable end and can be outer outward；Its
It is characterized in that：
Symmetrical both sides are respectively equipped with an extension spring between two secondary braking hoof, and two secondary braking hoof are stretched by two
Two secondary braking hoof are closed by spring；
It is equipped with sleeve at the center of two secondary braking hoof, a rotating disk is equipped with by bearing on casing, rotating disk can lead to
Bearing is crossed to rotate on casing；
It is respectively equipped with an interior slide wall seamlessly transitted on the madial wall of two secondary braking hoof movable ends, the interior slide wall is to described
The distance between rotation disk center is gradually reduced by the movable end of middle part to the secondary braking hoof of secondary braking hoof；
Symmetrically arranged secondary braking protrusion there are two being set in the rotating disk, the end of two secondary braking protrusions is in smoothed
The cambered surface crossed, two secondary braking protrusions are corresponded with two interior slide walls, and the end face of secondary braking protrusion connects with interior slide wall
It touches；
One of them described secondary braking protrusion is equipped with a pin rod being connect with outer brake pull rod；
The inner side end of the friction plate and the madial wall of the secondary braking hoof are in same plane together；Positioned at the secondary system
Brake-shoe is additionally provided on the madial wall of dynamic hoof, brake-shoe is in arcuation, and one end of brake-shoe is also articulated on the axis pin, described
The other end of brake-shoe is movable end and terminates at 2/3 length of the secondary braking hoof；
The outer wall of the brake-shoe is equipped with secondary friction plate, and the madial wall of the brake-shoe movable end is in the cunning seamlessly transitted
Wall, the distance between described slide wall to the rotation disk center are gradually reduced by the movable end of middle part to the brake-shoe of brake-shoe；
It is additionally provided on the turntable and is contacted with the slide wall with the matched detent bumps of the slide wall, the detent bumps；
Be equipped with the brake-shoe on two secondary braking hoof, further include resetting spring, the both ends of the resetting spring respectively with
The movable end connection of two brake-shoes, and the movable end of two brake-shoes of resetting spring pair applies pulling force.
2. the brake shoes of secondary braking as described in claim 1, it is characterised in that：The movable end side of the secondary braking hoof
Wall is equipped with stop block, and the movable end of the brake-shoe is equipped with limit protrusion, when the brake-shoe is drawn by the resetting spring
When being back to initial position, the limit protrusion is against on the stop block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849804.4U CN207634560U (en) | 2017-12-26 | 2017-12-26 | The brake shoes of secondary braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849804.4U CN207634560U (en) | 2017-12-26 | 2017-12-26 | The brake shoes of secondary braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634560U true CN207634560U (en) | 2018-07-20 |
Family
ID=62852745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721849804.4U Expired - Fee Related CN207634560U (en) | 2017-12-26 | 2017-12-26 | The brake shoes of secondary braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634560U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131267A (en) * | 2018-10-25 | 2019-01-04 | 张强 | A kind of secondary emergency brake arrangement of vehicle, brake method and anti-escape system |
| CN112519727A (en) * | 2020-11-27 | 2021-03-19 | 浙江夏厦精密制造股份有限公司 | Electric bus intelligent braking system with cam nut structure |
| CN112576674A (en) * | 2020-12-29 | 2021-03-30 | 杭州电子科技大学 | Floating type blade shimmy damper for automobile |
-
2017
- 2017-12-26 CN CN201721849804.4U patent/CN207634560U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131267A (en) * | 2018-10-25 | 2019-01-04 | 张强 | A kind of secondary emergency brake arrangement of vehicle, brake method and anti-escape system |
| CN109131267B (en) * | 2018-10-25 | 2024-01-19 | 张强 | Secondary emergency braking device, braking method and escape prevention system for vehicle |
| CN112519727A (en) * | 2020-11-27 | 2021-03-19 | 浙江夏厦精密制造股份有限公司 | Electric bus intelligent braking system with cam nut structure |
| CN112519727B (en) * | 2020-11-27 | 2022-04-19 | 浙江夏厦精密制造股份有限公司 | Electric bus intelligent braking system with cam nut structure |
| CN112576674A (en) * | 2020-12-29 | 2021-03-30 | 杭州电子科技大学 | Floating type blade shimmy damper for automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207634560U (en) | The brake shoes of secondary braking | |
| CN106104059B (en) | Brake apparatus | |
| CN101844735A (en) | Operation and brake device of mining hoisting winch | |
| CN207229626U (en) | Braking brake hoof | |
| CN205331275U (en) | Two neck shoe brake | |
| CN103863009B (en) | Castor with self-locking mechanism | |
| CN109404439A (en) | A kind of automobile brake drum that wear resistance is good | |
| CN106481695A (en) | A kind of braking mechanism | |
| CN205350141U (en) | From reinforcement formula drum brake | |
| CN104565190A (en) | Buffering brake device | |
| CN104149548B (en) | A kind of universal wheel | |
| CN107448511B (en) | A kind of wheel drag | |
| CN205118077U (en) | Caliper disk brake friction disc return structure | |
| US1737025A (en) | Brake | |
| CN201713259U (en) | Working braking device for mine hoisting winch | |
| CN203511619U (en) | Stopping brake device of loader | |
| CN203784151U (en) | Brake caliper and vehicle | |
| CN207629977U (en) | The assembly device of brake horseshoe spring | |
| US1831125A (en) | Swiveled wheel brake | |
| CN204852096U (en) | Atmospheric pressure disc brake's pressure arm | |
| CN203752795U (en) | Trundle with self-locking mechanism | |
| CN205968866U (en) | Loader transaxle dry brake brake cylinder frock that resets | |
| CN204174539U (en) | For the check mechanism of Bridge Erector | |
| CN108757777A (en) | A kind of energy-efficient vehicle brake apparatus | |
| CN207005145U (en) | A kind of novel and multifunctional brake-shoe ball |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180720 Termination date: 20191226 |