CN107975548A - A kind of block formula for oversize vehicle is braked - Google Patents
A kind of block formula for oversize vehicle is braked Download PDFInfo
- Publication number
- CN107975548A CN107975548A CN201711217311.3A CN201711217311A CN107975548A CN 107975548 A CN107975548 A CN 107975548A CN 201711217311 A CN201711217311 A CN 201711217311A CN 107975548 A CN107975548 A CN 107975548A
- Authority
- CN
- China
- Prior art keywords
- brake
- block
- brake shoes
- cam mechanism
- shoes
- 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.)
- Pending
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Classifications
-
- 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
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/46—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action
- F16D51/54—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with three or more brake-shoes, at least two of them being linked or directly interacting
- F16D51/56—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with three or more brake-shoes, at least two of them being linked or directly interacting mechanically actuated
-
- 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
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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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
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
-
- 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
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation
- F16D2125/28—Cams; Levers with cams
- F16D2125/30—Cams; Levers with cams acting on two or more cam followers, e.g. S-cams
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of block formula brake for oversize vehicle, brake shoes and cam mechanism are installed on shoe sole；Brake shoes includes first brake block and the second brake shoes；Cam mechanism is connected on first brake block and the second brake shoes, the cam mechanism that is connected with first brake block and it is arranged symmetrically in the cam mechanism that the second brake shoes is connected on shoe sole, first brake block is also sequentially connected with the second brake shoes being disposed adjacent；It is also associated with resetting position-limit mechanism between the first brake block and the second brake shoes of adjacent installation；Brake shoes lateral wall is equipped with friction plate；By the structure design for improving brake shoes and friction plate, enable the uniform friction catch of friction plate, substantially increase the service life of brake, it ensure that the good braking effect of brake, its it is simple in structure installation and it is easy to maintain, solves the problem of existing oversize vehicle shoe brake braking effect is bad, and brake use cost is high.
Description
Technical field
The present invention relates to a kind of brake, particularly a kind of block formula for oversize vehicle is braked.
Background technology
Brake is the dress for having the function of to make moving component (or movable machinery) slow down, stop or keep halted state etc.
Put, be the machine components for making the movement parts in machinery stop or slow down, be commonly called as brake, lock.Brake is mainly by frame processed, brake component
Formed with manipulation device etc..Some brakes are also equipped with the automatic regulating apparatus in brake component gap, in order to reduce braking moment and
Structure size, brake are commonly mounted on the high speed shaft of equipment, but the higher large scale equipment of security requirement should be then mounted in and leaned on
On the slow-speed shaft of nearly equipment working portion.
In Brake for vehicle, there is a kind of brake using a shoe type drum brake, a hoof mechanism type brake master
It is divided into two classes：One kind be it is mechanical, using it is most common be pneumatic type cam mechanism hoof；Another kind of is fluid pressure type：It is
Piston hoof is promoted with hydraulic cylinder.The both ends stroke of cam hoof passage brake shoes is equal so that brake shoes turns in the other end
Dynamic be connected under the action of support shaft rotates along supporting point, so that the brake block on brake shoes and brake rim friction, so that
Realize the braking of vehicle, the effect that pneumatic cam mechanism is received due to one end of brake shoes in the brake of Zhang Ti mechanisms is opened first
Open so that braking brake block at the end gets off drag friction pad wear inequality with brake rim friction, long term first
Even, so as to cause the braking effect of brake bad, the friction plate replacement cycle is short, and brake service cost greatly increases, for
For oversize vehicle, the above problem is especially apparent.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of block formula for oversize vehicle is stopped
Car, by the structure design for improving brake shoes and friction plate so that friction plate can uniform friction catch, substantially increase system
The service life of dynamic device, ensure that the good braking effect of brake, its installation simple in structure and easy to maintain, solve existing
The problem of oversize vehicle shoe brake braking effect is bad, and brake use cost is high.
The technical solution adopted by the present invention is as follows：
The block formula for oversize vehicle of the present invention is braked, including shoe sole, brake shoes and cam mechanism；The brake shoes and
Cam mechanism is installed on shoe sole；The brake shoes includes first brake block and the second brake shoes；The first brake
Cam mechanism is connected on block and the second brake shoes, the cam mechanism that is connected with the first brake block and with described second
The cam mechanism of brake shoes connection is arranged symmetrically on shoe sole, and two cam mechanisms respectively put on shoe sole by drive ring
The opening and closing action of first brake block and the second brake shoes, makes first brake block and the second brake shoes be bonded friction with brake rim and makees
With；The first brake block is also sequentially connected with the second brake shoes being disposed adjacent, and first brake block is synchronous with the second brake shoes
Opening and closing act；It is also associated with resetting position-limit mechanism between the first brake block and the second brake shoes of adjacent installation；Described
The friction plate with brake rim effect is equipped with the lateral wall of one brake shoes and the second brake shoes.
Due to using the above structure, by brake shoes subsection setup, and being connected between each brake shoes using reset position-limit mechanism
Connect so that braking can integrally uniformly with brake rim act on, ensure brake shoes on friction plate can uniformly and effectively with
Brake rim acts on, so as to produce the friction catch effect of balance and stability, and then realizes the good braking effect of brake, it is tied
Structure is simple, install convenient, and practicality is good, and the brake shoes of segmented ensure that the uniform stressed of friction plate, so as to ensure that friction
The service life of piece, greatly reduces the replacement frequency of friction plate, reduces the use cost of brake, has good make
With value；The first brake block and the second brake shoes of Synchronous Transmission connection can also further increase the opening and closing between brake shoes
Power, so that in the case of the effect for having saved cam mechanism is consumed energy, and cam mechanism of one of which is damaged, all brakes
Car block also ensures normal opening and closing braking ability, further ensure that the security of brake；Double-cam structure uses so that
A rubbing action with brake rim can quickly be produced between brake shoes, quick response braking, reduces large car significantly
Braking distance；Reset position-limit mechanism can ensure multisection type brake the second brake shoes in the block can parking position accuracy, ensure
Its action effect.
The block formula for oversize vehicle of the present invention is braked, and the cam mechanism is respectively cam mechanism one and cam mechanism
Two, two cam mechanism synchronous effects and the brake shoes being connected thereon so that first brake block is moved with the opening and closing at the same time of the second brake shoes
Make；The first brake block is equipped with two, is symmetricly set on the both sides of cam mechanism one；Second brake shoes is equipped with two,
It is symmetricly set on the both sides of cam mechanism two；The first brake block and the second brake shoes are arranged in annular configuration in shoe sole
On.
Further, it is integrally formed with runner on the drive connection end of the first brake block and the second brake shoes；It is described
It is toothed around on runner；Runner on the first brake block is pacified with the runner on the second brake shoes each other by gear teeth meshing
Dress.
Further, the gearratio of the first brake block and the runner on the second brake shoes is:.
Further, one end of the first brake block is connected on cam mechanism one, and the other end is connected by fixed pillar
It is connected on shoe sole；The fixed pillar is fixed on shoe sole, and first brake block is rotatablely connected with fixed pillar.
Closer, one end of second brake shoes is connected on cam mechanism two, and the other end is also by fixed branch
Column is connected on shoe sole；The fixed pillar is fixed on shoe sole, and the second brake shoes is rotated with fixed pillar
Connection
Due to using the above structure, first brake block and the second brake shoes being installed using the rotation intermeshing with the gear teeth,
First brake block and the second brake shoes to cam mechanism tension force when, first brake block can pass through with the second brake shoes to be engaged
The runner power transmission opening and closing power of installation, so that first brake block and the second brake shoes are enable to respond quickly brake, stops first
In car block and the second brake shoes in the case of any cam mechanism failure acted on therewith, brake shoes can also realize opening and closing,
So that the brake of the present invention has good braking quality；Act on the brake shoes being arranged symmetrically at the same time using two cam mechanisms
On so that four brake shoes can act on the braking effect for having reached good at the same time, while also ensure that cam mechanism damage is drawn
The brake failure risen, is combined design with the structure of segmented brake shoes using double cam mechanism, improves vehicle and running over journey
In safety guarantee, avoid due to the failure of whole brake caused by the fraction mechanism part of arrestment mechanism, have it is good
Good braking effect and Brake Assurance.
The block formula for oversize vehicle of the present invention is braked, and the reset position-limit mechanism includes sliding slot, sliding block and return bullet
Spring；The sliding slot is arranged on shoe sole, and on the axis of symmetry of first brake block and the second brake shoes；The sliding slot
Interior to be equipped with sliding block, the sliding block can be in sliding slot perpendicular to first brake block and the square upward sliding of the second brake shoes opening and closing；Institute
The both sides for stating sliding block are symmetrically connected with return spring；The return spring is respectively by first brake block and sliding block, the second brake shoes
It is connected with sliding block.
Further, the sliding slot is rectangular recess, and the upper surface of sliding slot is not higher than the installation of shoe sole and brake shoes
End face；The axial cross section of the sliding block is I-shaped, and its one end is caught in sliding slot, and the other end is stretched out outside sliding slot and return spring connects
Connect.
Since the reset position-limit mechanism for, playing the role of resetting using the above structure return can act on first brake at the same time
On block and the second brake shoes, ensure the mutual stable reset effect between brake shoes, so as to ensure the normal driving of vehicle, and be
Stable braking is ready next time, its structural stability is good；Reset position-limit mechanism can i.e. not influence first brake block and
While the rotation of second brake shoes, moreover it is possible to ensure first brake block and the second brake shoes can stablize on certain position
Effect, avoids brake shoes from the phenomenon generation that position offset influences brake effect occur, and further ensure that brake
Car block can uniform stressed, ensure that the relevant mechanism part of brake shoes is not damaged, extend the service life of brake shoes, reset limit
Position mechanism structure is simple, highly practical.
The block formula for oversize vehicle of the present invention is braked, and friction is equipped with the first brake block and the second brake shoes
Piece, and the friction plate on first brake block and the second brake shoes is set independently of each other.
Due to using the above structure, mutually independent friction plate causes its not extruded mutually in mechanism each,
Avoid the phenomenon of friction plate fin from occurring, further enhance the braking ability of brake, even if the friction plate in some
One of be damaged when needing replacing, other friction plates can also continue to keep good friction catch effect, ensure that vehicle
Security when driving, avoids causing the generation of traffic accident since friction plate damages in roadway way.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, its is simple in structure, easy for installation, and performance is good.
2nd, manufacture craft is simple, and use cost is low；
3rd, stable structure, good braking effect；
4th, the security during vehicle driving is improved；
5th, there is good use value, be adapted to promote and apply.
Brief description of the drawings
Fig. 1 is the structure diagram of the block formula brake for oversize vehicle；
Marked in figure：1- brake rims, 2- shoe soles, 3- cam mechanisms one, 4- first brake blocks, the second brake shoes of 5-, 6- are solid
Determine pillar, 7- friction plates, 8- return springs, 9- sliding slots, 10- sliding blocks, 11- cam mechanisms two, 12- runners, the 13- gear teeth.
Embodiment
With reference to embodiment, the present invention is described in detail.
In order to which the object, technical solution and advantage of invention are more clearly understood, with reference to embodiments, to the present invention into
Row is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit
The fixed present invention.
Embodiment 1
As shown in Figure 1, a kind of block formula for oversize vehicle is braked, including shoe sole 2, brake shoes and cam mechanism；It is described
Brake shoes and cam mechanism are installed on shoe sole 2；The brake shoes includes 4 and second brake shoes 5 of first brake block；Institute
State and be connected to cam mechanism on 4 and second brake shoes 5 of first brake block, the cam machine being connected with the first brake block 4
Structure and it is arranged symmetrically in the cam mechanism that second brake shoes 5 is connected on shoe sole 2, two cam mechanisms difference drive ring
The opening and closing action of 4 and second brake shoes 5 of first brake block on shoe sole 2 is put, makes 4 and second brake shoes of first brake block
5 are bonded rubbing action with brake rim 1；The first brake block 4 is also sequentially connected with the second brake shoes 5 being disposed adjacent, the
One brake shoes 4 is acted with the 5 synchronous opening and closing of the second brake shoes；Between 4 and second brake shoes 5 of the first brake block of adjacent installation
It is also associated with resetting position-limit mechanism；It is equipped with the lateral wall of 4 and second brake shoes 5 of first brake block and makees with brake rim 1
Friction plate 7.The cam mechanism is respectively cam mechanism 1 and cam mechanism 2 11, two cam mechanism synchronous effects with
The brake shoes connected thereon so that 4 and second brake shoes of first brake block, 5 action of opening and closing at the same time；The first brake block 4 is equipped with
Two, it is symmetricly set on the both sides of cam mechanism 1；Second brake shoes 5 is equipped with two, is symmetricly set on cam mechanism two
11 both sides；4 and second brake shoes 5 of first brake block is arranged in annular configuration on shoe sole 2.The first brake
Runner 12 is integrally formed with the drive connection end of 4 and second brake shoes 5 of block；13 are toothed around on the runner 12；Described
Runner 12 on one brake shoes 4 engages installation with the runner 12 on the second brake shoes 5 each other by the gear teeth 13.The first brake
The gearratio of runner 12 on 4 and second brake shoes 5 of block is 1:1.One end of the first brake block 4 is connected to cam mechanism one
On 3, the other end is connected on shoe sole 2 by fixed pillar 6；The fixed pillar 6 is fixed on shoe sole 2,
First brake block 4 is rotatablely connected with fixed pillar 6.One end of second brake shoes 5 is connected on cam mechanism 2 11, another
End is connected on shoe sole 2 also by fixed pillar 6；The fixed pillar 6 is fixed on shoe sole 2, and second stops
Car block 5 is rotatablely connected with fixed pillar 6.The reset position-limit mechanism includes sliding slot 9, sliding block 10 and return spring 8；The sliding slot
9 are arranged on shoe sole 2, and on the axis of symmetry of 4 and second brake shoes 5 of first brake block；It is equipped with the sliding slot 9
Sliding block 10, the sliding block 10 can be in sliding slots 9 perpendicular to the square upward sliding of 4 and second brake shoes of first brake block, 5 opening and closing；Institute
The both sides for stating sliding block 10 are symmetrically connected with return spring 8；The return spring 8 is respectively by first brake block 4 and sliding block 10, second
Brake shoes 5 is connected with sliding block 10.The sliding slot 9 is rectangular recess, and the upper surface of sliding slot 9 is not higher than shoe sole 2 and brake shoes
Installation end face；To be I-shaped, its one end is caught in sliding slot 9 axial cross section of the sliding block 10, the other end stretch out sliding slot 9 it is outer with
Return spring 8 connects.Friction plate 7, and first brake block 4 and second are equipped with 4 and second brake shoes 5 of first brake block
Friction plate 7 on brake shoes 5 is set independently of each other.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of block formula for oversize vehicle is braked, it is characterised in that including shoe sole（2）, brake shoes and cam mechanism；
The brake shoes and cam mechanism are installed in shoe sole（2）On；The brake shoes includes first brake block（4）Stop with second
Car block（5）；The first brake block（4）With the second brake shoes（5）On be connected to cam mechanism, with the first brake block
（4）The cam mechanism of connection and with second brake shoes（5）The cam mechanism of connection is arranged symmetrically in shoe sole（2）On,
Two cam mechanisms respectively put in shoe sole by drive ring（2）On first brake block（4）With the second brake shoes（5）Opening and closing move
Make, make first brake block（4）With the second brake shoes（5）And brake rim（1）It is bonded rubbing action；The first brake block（4）
The second brake shoes also with being disposed adjacent（5）It is sequentially connected, first brake block（4）With the second brake shoes（5）Synchronous opening and closing action；
The first brake block of adjacent installation（4）With the second brake shoes（5）Between be also associated with reset position-limit mechanism；Described first stops
Car block（4）With the second brake shoes（5）Lateral wall on be equipped with and brake rim（1）The friction plate of effect（7）.
2. the block formula according to claim 1 for oversize vehicle is braked, it is characterised in that the cam mechanism is respectively
Cam mechanism one（3）With cam mechanism two（11）, two cam mechanism synchronous effects and the brake shoes being connected thereon so that first stops
Car block（4）With the second brake shoes（5）The action of opening and closing at the same time；The first brake block（4）Equipped with two, cam machine is symmetricly set on
Structure one（3）Both sides；Second brake shoes（5）Equipped with two, cam mechanism two is symmetricly set on（11）Both sides；Described
One brake shoes（4）With the second brake shoes（5）Annular configuration is arranged in shoe sole（2）On.
3. the block formula according to claim 1 or 2 for oversize vehicle is braked, it is characterised in that the first brake block
（4）With the second brake shoes（5）Drive connection end on be integrally formed with runner（12）；The runner（12）On be toothed around
（13）；The first brake block（4）On runner（12）With the second brake shoes（5）On runner（12）Each other by the gear teeth（13）
Engagement installation.
4. the block formula according to claim 3 for oversize vehicle is braked, it is characterised in that the first brake block（4）
With the second brake shoes（5）On runner（12）Gearratio be 1:1.
5. the block formula for oversize vehicle according to claim 2 or 4 is braked, it is characterised in that the first brake block
（4）One end be connected to cam mechanism one（3）On, the other end passes through fixed pillar（6）It is connected to shoe sole（2）On；It is described
Fixed pillar（6）It is fixed at shoe sole（2）On, first brake block（4）With fixed pillar（6）Rotation connection.
6. the block formula according to claim 5 for oversize vehicle is braked, it is characterised in that second brake shoes（5）
One end be connected to cam mechanism two（11）On, the other end is also by fixed pillar（6）It is connected to shoe sole（2）On；It is described
Fixed pillar（6）It is fixed at shoe sole（2）On, the second brake shoes（5）With fixed pillar（6）Rotation connection.
7. the block formula for oversize vehicle according to claim 1 or 2 or 4 or 6 is braked, it is characterised in that the reset
Position-limit mechanism includes sliding slot（9）, sliding block（10）And return spring（8）；The sliding slot（9）It is arranged on shoe sole（2）On, and position
In first brake block（4）With the second brake shoes（5）The axis of symmetry on；The sliding slot（9）It is interior to be equipped with sliding block（10）, the sliding block
（10）Can be in sliding slot（9）It is interior perpendicular to first brake block（4）With the second brake shoes（5）The square upward sliding of opening and closing；The sliding block
（10）Both sides be symmetrically connected with return spring（8）；The return spring（8）Respectively by first brake block（4）With sliding block（10）、
Second brake shoes（5）With sliding block（10）Connection.
8. the block formula according to claim 7 for oversize vehicle is braked, it is characterised in that the sliding slot（9）For rectangle
Groove, sliding slot（9）Upper surface be not higher than shoe sole（2）With the installation end face of brake shoes；The sliding block（10）Axial direction cut
Face is I-shaped, and its one end is caught in sliding slot（9）Interior, the other end stretches out sliding slot（9）Outside and return spring（8）Connection.
9. the block formula for oversize vehicle according to claim 1 or 2 or 4 or 6 or 8 is braked, it is characterised in that described the
One brake shoes（4）With the second brake shoes（5）On be equipped with friction plate（7）, and first brake block（4）With the second brake shoes（5）On
Friction plate（7）Set independently of each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711217311.3A CN107975548A (en) | 2017-11-28 | 2017-11-28 | A kind of block formula for oversize vehicle is braked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711217311.3A CN107975548A (en) | 2017-11-28 | 2017-11-28 | A kind of block formula for oversize vehicle is braked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107975548A true CN107975548A (en) | 2018-05-01 |
Family
ID=62012170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711217311.3A Pending CN107975548A (en) | 2017-11-28 | 2017-11-28 | A kind of block formula for oversize vehicle is braked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107975548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488705A (en) * | 2018-12-05 | 2019-03-19 | 含山县天宇机械铸造厂 | A kind of modified brake-shoe |
-
2017
- 2017-11-28 CN CN201711217311.3A patent/CN107975548A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488705A (en) * | 2018-12-05 | 2019-03-19 | 含山县天宇机械铸造厂 | A kind of modified brake-shoe |
| CN109488705B (en) * | 2018-12-05 | 2020-09-25 | 含山县天宇机械铸造厂 | Improved generation brake shoe |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20180501 |