CN110107619A - A kind of strength cam braking balancing device - Google Patents
A kind of strength cam braking balancing device Download PDFInfo
- Publication number
- CN110107619A CN110107619A CN201910475298.4A CN201910475298A CN110107619A CN 110107619 A CN110107619 A CN 110107619A CN 201910475298 A CN201910475298 A CN 201910475298A CN 110107619 A CN110107619 A CN 110107619A
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- Prior art keywords
- cam
- pump housing
- piston
- brake
- push rod
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- 210000000003 hoof Anatomy 0.000 claims abstract description 29
- 238000003032 molecular docking Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/067—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/08—Brake cylinders other than ultimate actuators
- B60T17/10—Two or more cylinders acting on the same brake with means for rendering them effective selectively or successively, the number of effective cylinders being variable
-
- 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
- F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
- F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
- F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
- F16D51/22—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots 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
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides a kind of strength cam braking balancing device, including brake drum, bottom plate, friction plate, left brake-shoe, right braking hoof and cam mechanism, the left brake-shoe is respectively equipped with the both ends of the right braking hoof docks block, the docking block is equipped with cam hole, the left brake-shoe and the right braking hoof, which are oppositely arranged, constitutes two pairs of opposite ends, it is staggered inside and outside the docking block on every a pair opposite end, the cam mechanism is equipped between every a pair opposite end, the cam mechanism includes camshaft, cam ring and external cam, the cam ring and the external cam are fixed at respectively on the camshaft, the external cam is relative to the cam ring eccentric setting, the external cam is located in the cam hole of the outside docking block, the cam ring is located in the cam hole of the inside docking block.It can solve that brake weight is small, the quick technical problem of brake failure.
Description
Technical field
The present invention relates to vehicle component technical field more particularly to a kind of strength cam braking balancing devices.
Background technique
Drum brakes generally uses drum brake, and drum brake is made of rotating part, fixed part, including brake
Bottom plate, wheel cylinder, brake shoes etc., drum brakes have a shape similar to the ironcasting of tambourine, referred to as brake drum, it and tire
It fixes and rotates at the same speed.Cost is relatively low for drum brakes, absolute brake Li Genggao, is more used in the rear-wheel of vehicle.But
Its rate of wear is higher, therefore overall cost is higher simultaneously, and brake shoe refers to the active force by wheel cylinder or push rod and is pushed to
The accessory of braking action is heaved in outer expansion compacting braking, is installed on brake rim, is safety zero crucial in brake system of car
One of part.
Brake shoe shape such as semilune, the semi-moon shaped brake shoe of two panels is just outer under the action of wheel cylinder when touching on the brake
, the inner wall of brake shoe friction brake drum is propped up to play the role of slowing down or stopping；Traditional brake shoe is in braking process
In, either slowly braking or emergency braking all can cause to wear to brake drum inner wall；By wearing brake drum for a long time
Inner wall will appear recess；Braking effect can gradually decrease, and influence the traffic safety of people.
Summary of the invention
The technical problems to be solved by the present invention are: a kind of strength cam braking balancing device is provided, to solve brake weight
It is small, the quick technical problem of brake failure.
In order to solve the above technical problems, the technical scheme is that a kind of strength cam braking balancing device, including system
Dynamic drum, bottom plate, friction plate, left brake-shoe, right braking hoof and cam mechanism, the two of the left brake-shoe and the right braking hoof
End is respectively equipped with docking block, and the docking block is equipped with cam hole, and the left brake-shoe and the right braking hoof are oppositely arranged structure
It at two pairs of opposite ends, is staggered inside and outside the docking block on every a pair opposite end, between every a pair opposite end
Equipped with the cam mechanism, the cam mechanism includes camshaft, cam ring and external cam, the cam ring and the evagination
Wheel is fixed at respectively on the camshaft, and the external cam is located at relative to the cam ring eccentric setting, the external cam
In the cam hole of the outside docking block, the cam ring is located in the cam hole of the inside docking block.
As an improvement mode, the cam ring and the external cam are circular cam, the cam ring and institute
State the eccentric wheel that external cam is the camshaft, the relatively described external cam eccentric setting of the cam ring.
As an improvement mode, the central axis of the central axis of the cam ring and the external cam is about the cam
The symmetrical setting of axis.
As an improvement mode, be staggered inside and outside the docking block at the left brake-shoe both ends, the right system
It is staggered inside and outside the docking block at dynamic hoof both ends.
As an improvement mode, the camshaft, cam ring and external cam are wholely set.
As an improvement mode, further include wheel cylinder, the wheel cylinder include rear pump and reinforce pump, it is described
Rear pump includes first pump housing, the first push rod, first piston and the first rubber cup, and first pump housing is equipped with inner cavity, institute
State the first rubber cup be set to it is described interior intracavitary, first rubber cup will be divided into first piston chamber and first between the inner cavity
Air blast chamber, the first piston are slidedly arranged on that the first piston is intracavitary, and the first piston chamber is protruded into first push rod one end
Interior and be fixedly connected with the first piston, the first push rod other end is located at outside first pump housing, and described first is living
Plug slides laterally with first pump housing to be connect, and first pump housing is equipped with the first air inlet for being connected to the first air blast chamber
Mouthful, first air inlet is equipped with the first air inlet pipe；Reinforcement pump include second pump housing, the second push rod, second piston and
Second rubber cup, second pump housing are fixed at first pump housing rear portion, first pump housing and second pump housing
Between be equipped with through-hole, second rubber cup is fixed on the interior intracavitary of second pump housing, and second rubber cup is by institute
It states and is divided into second piston chamber and the second air blast chamber between the inner cavity of second pump housing, the second piston is slidedly arranged on the second piston chamber
Interior, one end of second push rod is fixedly connected with the second piston, and the through-hole top is run through in one end of second push rod
It is against on first push rod, second air inlet of second pump housing equipped with connection the second air blast chamber, described second
Air inlet is equipped with the second air inlet pipe, and first push rod drives the two cam rotations by the left brake-shoe by transmission mechanism
It is strutted with the right braking hoof.
As an improvement mode, the transmission mechanism include the first rocker arm, mandril and the second rocker arm, described first
The rectangular shape of rocker arm, first one end are abutted with first push rod, the other end of first rocker arm with vertically set
The one end for the mandril set is hinged, and the other end of the mandril is abutted with the one end for second rocker arm being laterally arranged, institute
The other end for stating the second rocker arm is fixedly connected with a camshaft, is articulated on vehicle frame in the middle part of first rocker arm, institute
It states mandril described in the articulated shaft rotation and pushing tow that the first push rod pushes first rocker arm around middle part to move up and down, the mandril pushes away
Moving the second rocker arm swing makes the cam axle.
Acquired technical effect by adopting the above technical scheme are as follows:
1, for the strength cam braking balancing device of the application in brake, cam axle makes left brake-shoe and right braking hoof
Opposite to strut, the friction plate on the brake-shoe of left and right contacts generation drag friction power with brake drum, and it is big to lead the brake apparatus brake weight,
Strong brake may be implemented；
2, the stability and reliability of brake are improved, brake is reliable, it brakes sensitive, and the service life of braking is long:
3, the both ends of left brake-shoe and right braking hoof are opposite simultaneously when braking struts, and realizes balance brake, improves brake
The stationarity of vehicle, and increase the contact area between friction plate and brake drum, reduce abrasion between the two.
Since the cam ring and the external cam are circular cam, the cam ring and the external cam are described
The eccentric wheel of camshaft, circular cam have the characteristics that easy to process and reliable operation.
It is convex since the central axis of the cam ring and the central axis of the external cam are about the symmetrical setting of the camshaft
Left and right brake-shoe is strutted realization brake function respectively by cam ring and external cam during wheel rotation.
Due to being staggered inside and outside the docking block at the left brake-shoe both ends, the right braking hoof both ends it is described right
It connects and is staggered inside and outside block, the setting position of interior external cam on the camshaft of left and right is made to keep together, improving brake stationarity and steady
It is qualitative.
Since the camshaft, cam ring and external cam are wholely set, easy to process and installation, and simple structure, work
Work is reliable, is hardly damaged.
Due to further including wheel cylinder, the wheel cylinder includes rear pump and reinforces pump, and the rear pump includes first
The pump housing, the first push rod, first piston and the first rubber cup, first pump housing are equipped with inner cavity, first rubber cup
Set on described interior intracavitary, first rubber cup will be divided into plunger shaft and air blast chamber between the inner cavity, and the first piston is sliding
In the plunger shaft, first push rod one end is protruded into the plunger shaft and is fixedly connected with the first piston, institute
The first push rod other end to be stated to be located at outside first pump housing, the first piston slides laterally with first pump housing and connect,
First pump housing is equipped with the first air inlet for being connected to the air blast chamber, and first air inlet is equipped with the first air inlet pipe；Institute
Stating reinforcement pump includes second pump housing, the second push rod, second piston and the second rubber cup, and second pump housing is fixed at institute
The first pump housing rear portion is stated, through-hole is equipped between first pump housing and second pump housing, second rubber cup is fixed on
Second pump housing it is interior intracavitary, second rubber cup will be divided into second piston chamber and between the inner cavity of second pump housing
Two air blast chambers, the second piston are slidedly arranged on that the second piston is intracavitary, one end of second push rod and the second piston
It is fixedly connected, one end of second push rod abuts against on first push rod through the through-hole, sets on second pump housing
There is the second air inlet for being connected to the second air blast chamber, second air inlet is equipped with the second air inlet pipe, and first push rod is logical
Crossing the transmission mechanism drives the two cam rotations to strut the left brake-shoe and the right braking hoof, reinforces due to being equipped with
Pump, can make brake weight be enhanced about more than once, substantially increase braking effect, also substantially increase the balance and safety of vehicle
Property, maintenance cost is reduced, makes to feel lighter and comfortable during brake driver.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the brake apparatus of the application；
Fig. 2 is the side structure schematic diagram of the brake apparatus of the application；
Fig. 3 is the structural schematic diagram of the wheel cylinder of the application；
Fig. 4 is the structural schematic diagram of the transmission mechanism of the application；
In figure, 10- docking block, 12- bottom plate, 13- friction plate, the left brake-shoe of 14-, 15- right braking hoof, 21- camshaft,
22- cam ring, 23- external cam, 301- plunger shaft, 302- air blast chamber, 3- rear pump, the first air inlet pipe of 30-, first pump housing of 31-,
The first push rod of 32-, 33- first piston, the first rubber cup of 34-, 4- reinforce pump, the second air inlet pipe of 40-, second pump housing of 41-,
The second push rod of 42-, 43- second piston, the second rubber cup of 44-, 5- sealing ring, 60- articulated shaft, the first rocker arm of 61-, the top 62-
Bar, the second rocker arm of 63-.
Specific embodiment
The invention discloses a kind of strength cam braking balancing devices, including brake drum, bottom plate 12, friction plate 13, left system
Dynamic hoof 14, right braking hoof 15 and cam mechanism, left brake-shoe 14 is respectively equipped with the both ends of right braking hoof 15 docks block 10, right
Block 10 is connect equipped with cam hole, left brake-shoe 14 is installed on bottom plate 12 and is located in brake drum, left braking with right braking hoof 15
Hoof 14 and right braking hoof 15 are slidably connected by sliding slot slide block structure with bottom plate 12 respectively, left brake-shoe 14 and 15 phase of right braking hoof
Two pairs of opposite ends are constituted to setting, are staggered inside and outside the docking block 10 on the head of every a pair of opposite end, in the present embodiment, left system
It is staggered inside and outside the docking block 10 of dynamic 14 two ends of hoof, is staggered, makes inside and outside the docking block 10 of 15 two ends of right braking hoof
The setting position of interior external cam 23 keeps together, improving brake stationarity and stability on left and right camshaft 21.
It is equipped with cam mechanism between the head of every a pair of opposite end, cam mechanism includes camshaft 21, cam ring 22 and evagination
Wheel 23, cam ring 22 and external cam 23 are fixed at respectively on camshaft 21, camshaft 21, cam ring 22 and external cam 23 1
Body setting, easy to process and installation, and simple structure, reliable operation, be hardly damaged.
Relative to 22 eccentric setting of cam ring, external cam 23 is located in the cam hole of outside docking block 10 external cam 23, interior
Cam 22 is located in the cam hole of inside docking block 10.In the present embodiment, cam ring 22 and external cam 23 are circular cam, interior
Cam 22 and external cam 23 are the eccentric wheel of camshaft 21, and circular cam has the characteristics that easy to process and reliable operation.It is interior
The central axis of cam 22 and the central axis of external cam 23 are about the symmetrical setting of camshaft 21, cam ring 22 in cam rotation process
Left and right brake-shoe 15 is strutted into realization brake function respectively with external cam 23.
Strength cam braking balancing device further includes wheel cylinder, and wheel cylinder includes rear pump 3 and reinforces pump 4, exports
Pump 3 includes first pump housing 31, the first push rod 32, first piston 33 and the first rubber cup 34, and first pump housing 31 is equipped with inner cavity,
First rubber cup 34 be set to it is interior intracavitary, the first rubber cup 34 will be divided into first piston chamber 301 and the first air blast chamber between inner cavity
302, first piston 33 is slidedly arranged in first piston chamber 301, and 32 one end of the first push rod is protruded into first piston chamber 301 and with first
Piston 33 is fixedly connected, and 32 other end of the first push rod is located at outside first pump housing 31, and first piston 33 and first pump housing 31 are laterally
It is slidably connected, first pump housing 31 is equipped with the first air inlet of the first air blast chamber 302 of connection, and the first air inlet is equipped with the first air inlet
Pipe 30.Reinforcing pump 4 includes second pump housing 41, the second push rod 42, second piston 43 and the second rubber cup 44, second pump housing 41
It is fixed at first pump housing, 31 rear portion, through-hole is equipped between first pump housing 31 and second pump housing 41, the second rubber cup 44 is fixed
In intracavitary in second pump housing 41, the second rubber cup 44 will be divided into second piston chamber 301 and between the inner cavity of second pump housing 41
Two air blast chambers 302, second piston 43 are slidedly arranged in second piston chamber 301, and one end of the second push rod 42 and second piston 43 are fixed
One end of connection, the second push rod 42 abuts against on the first push rod 32 through through-hole and the first rubber cup 34,42 He of the second push rod
It is slidably connected between first rubber cup 34 and is equipped with sealing ring therebetween, second pump housing 41 is equipped with the second air blast chamber of connection
302 the second air inlet, the second air inlet are equipped with the second air inlet pipe 40, and the first push rod 32 drives two cams to turn by transmission mechanism
It is dynamic to strut left brake-shoe 14 and right braking hoof 15, reinforce pump 4 due to being equipped with, brake weight can be made to be enhanced about more than once, significantly
Braking effect is improved, the balance and safety of vehicle is also substantially increased, reduces maintenance cost, make brake driver process
In feel lighter and comfortable.
Transmission mechanism includes the first rocker arm 61, mandril 62 and the second rocker arm 63, and the rectangular shape of the first rocker arm 61, first shakes
61 one end of arm is abutted with the first push rod, and the other end of the first rocker arm 61 and one end of vertically arranged mandril 62 are hinged, mandril 62
The other end abutted with the one end for the second rocker arm 63 being laterally arranged, the other end of the second rocker arm 63 and camshaft is fixed connects
It connects, the middle part of the first rocker arm 61 is articulated on vehicle frame, and the first push rod pushes articulated shaft 60 of first rocker arm 61 around middle part to rotate simultaneously
Pushing tow mandril 62 moves up and down.
For the strength cam braking balancing device of the application in brake, the rotation of camshaft 21 makes left brake-shoe 14 and right braking
Hoof 15 is opposite to be strutted, and the friction plate 13 on left and right brake-shoe 15 contacts in brake drum and generates drag friction power, brake apparatus tool
Have that brake weight is big, brake is reliable and the sensitive technical effect of brake, the setting of guiding axis, which avoids left and right, formulates hoof and strutting
With relative misalignment in reseting procedure, improve the stability and reliability of brake, and long service life.
Claims (7)
1. a kind of strength cam braking balancing device, which is characterized in that including brake drum, bottom plate, friction plate, left brake-shoe, the right side
Brake-shoe and cam mechanism, the left brake-shoe is respectively equipped with the both ends of the right braking hoof docks block, the docking block
It is equipped with cam hole, the left brake-shoe and the right braking hoof, which are oppositely arranged, constitutes two pairs of opposite ends, and every a pair is described opposite
It is staggered inside and outside the docking block on end, the cam mechanism, the cam machine is equipped between every a pair opposite end
Structure includes camshaft, cam ring and external cam, and the cam ring and the external cam are fixed at respectively on the camshaft,
The external cam is relative to the cam ring eccentric setting, and the external cam is located in the cam hole of the outside docking block, institute
Cam ring is stated to be located in the cam hole of the inside docking block.
2. a kind of strength cam braking balancing device as described in claim 1, which is characterized in that the cam ring and described outer
Cam is circular cam, and the cam ring and the external cam are the eccentric wheel of the camshaft, and the cam ring is opposite
The external cam eccentric setting.
3. a kind of strength cam braking balancing device as claimed in claim 2, which is characterized in that the central axis of the cam ring
Central axis with the external cam is about the symmetrical setting of the camshaft.
4. a kind of strength cam braking balancing device as described in claim 1, which is characterized in that the left brake-shoe both ends
It is staggered inside and outside the docking block, is staggered inside and outside the docking block at the right braking hoof both ends.
5. a kind of strength cam braking balancing device as claimed in claim 4, which is characterized in that the camshaft, cam ring
And external cam is wholely set.
6. a kind of strength cam braking balancing device as described in claim 1, which is characterized in that it further include wheel cylinder, institute
It states wheel cylinder to include rear pump and reinforce pump, the rear pump includes first pump housing, the first push rod, first piston and first
Rubber cup, first pump housing are equipped with inner cavity, and first rubber cup is set to described interior intracavitary, first rubber cup
First piston chamber and the first air blast chamber will be divided between the inner cavity, it is intracavitary that the first piston is slidedly arranged on the first piston, institute
Stating first push rod one end, to protrude into the first piston intracavitary and be fixedly connected with the first piston, the first push rod other end
Outside first pump housing, the first piston slides laterally with first pump housing and connect, and sets on first pump housing
There is the first air inlet for being connected to the first air blast chamber, first air inlet is equipped with the first air inlet pipe；The reinforcement pumps
Second pump housing, the second push rod, second piston and the second rubber cup, after second pump housing is fixed at first pump housing
Portion, is equipped with through-hole between first pump housing and second pump housing, second rubber cup is fixed on second pump housing
It is interior intracavitary, second rubber cup will be divided into second piston chamber and the second air blast chamber, institute between the inner cavity of second pump housing
It states second piston and is slidedly arranged on that the second piston is intracavitary, one end of second push rod is fixedly connected with the second piston, institute
The one end for stating the second push rod abuts against on first push rod through the through-hole and first rubber cup, second pump
Body is equipped with the second air inlet for being connected to the second air blast chamber, and second air inlet is equipped with the second air inlet pipe, and described first
Push rod drives the two cam rotations to strut the left brake-shoe and the right braking hoof by transmission mechanism.
7. strength cam braking balancing device as claimed in claim 6, which is characterized in that the transmission mechanism shakes including first
Arm, mandril and the second rocker arm, the rectangular shape of the first rocker arm, first one end are abutted with first push rod,
The other end of first rocker arm and one end of the vertically arranged mandril are hinged, the other end of the mandril and laterally setting
One end of second rocker arm abut, the other end of second rocker arm is fixedly connected with a camshaft, described the
It is articulated on vehicle frame in the middle part of one rocker arm, first push rod pushes articulated shaft rotation and pushing tow of first rocker arm around middle part
The mandril moves up and down, and the mandril pushes the second rocker arm swing to make the cam axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475298.4A CN110107619B (en) | 2019-06-03 | 2019-06-03 | Powerful cam brake balancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475298.4A CN110107619B (en) | 2019-06-03 | 2019-06-03 | Powerful cam brake balancing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107619A true CN110107619A (en) | 2019-08-09 |
| CN110107619B CN110107619B (en) | 2024-04-02 |
Family
ID=67493553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910475298.4A Active CN110107619B (en) | 2019-06-03 | 2019-06-03 | Powerful cam brake balancing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110107619B (en) |
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| CN211820470U (en) * | 2019-06-03 | 2020-10-30 | 梁芳文 | Powerful cam brake balancing unit |
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| CN110107619B (en) | 2024-04-02 |
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