CN106678204A - Mechanical two-leading-shoe and two-trailing-shoe floating motor vehicle brake - Google Patents
Mechanical two-leading-shoe and two-trailing-shoe floating motor vehicle brake Download PDFInfo
- Publication number
- CN106678204A CN106678204A CN201710119975.XA CN201710119975A CN106678204A CN 106678204 A CN106678204 A CN 106678204A CN 201710119975 A CN201710119975 A CN 201710119975A CN 106678204 A CN106678204 A CN 106678204A
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- China
- Prior art keywords
- runing rest
- brake
- double
- shoe plate
- motor vehicle
- Prior art date
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Classifications
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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
- 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
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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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a mechanical two-leading-shoe and two-trailing-shoe floating motor vehicle brake. The mechanical two-leading-shoe and two-trailing-shoe floating motor vehicle brake comprises an end cap, as well as a camshaft, a first brake shoe, a second brake shoe, a first rotary bracket and a second rotary bracket which are positioned on the same side of the end cap, wherein the first rotary bracket and the second rotary bracket are rotatably connected to one end surface of the end cap; a first end part of the first rotary bracket is opposite to a first end part of the second rotary bracket; the camshaft is positioned between the first end part of the first rotary bracket and the first end part of the second rotary bracket; a second end part of the first rotary bracket and a second end part of the second rotary bracket are arranged in a crossed manner; and the first brake shoe is positioned on the outer side of the first rotary bracket, and the first brake shoe and the second brake shoe are connected through an elastic device. During braking, the shoes in the brake can be in full contact with a hub, the stress is uniform and the braking effect is improved.
Description
Technical field
The present invention relates to a kind of motor vehicle brake, it particularly relates to a kind of double necks of machinery are double from floating type motor vehicles
Brake.
Background technology
Vehicle braking device is the part for controlling motor vehicles movement velocity.At present, most of automobile braking dress
Put and adopt drum brake.Hydraulic brake, atmospheric brake and mechanical brake are commonly used at present.Mechanical brake
In commonly use cut of balance type brake（Dan Lingdan is from formula）.Although the brake structural is simple, braking is flexible, and shortcoming is tighter
Weight：（1）Brake shoes contact area is little：When brake camshaft rotates, shoe brake opens around fixed pin shaft rotation.This is
The contact area of friction facing about 70% or so is less than wheel hub.Part near fixed pin shaft is just not exposed to wheel hub at all,
Braking effect is poor.（2）Brake shoes abrasion is uneven：When brake camshaft rotates, lead the torque produced by hoof big, from hoof institute
The torque of generation is little, and both torques differ one times or so, so as to cause the abrasion of two shoe plates inconsistent.When brake-shoe is around solid
When rationed marketing axle rotates, the direction of rotation of one of shoe plate one end is identical with the direction of brake drum, and the shoe plate end is neck hoof；Separately
The direction of rotation of one shoe plate one end is in opposite direction with brake drum, and the shoe plate end is from hoof.
The content of the invention
Technical problem：The technical problem to be solved is：There is provided a kind of double necks of machinery double from floating type motor vehicles
Brake so that in braking, shoe plate can completely be contacted with wheel hub, and uniform force, improve braking effect.
Technical scheme：To solve above-mentioned technical problem, the technical scheme that the embodiment of the present invention is adopted is：
A kind of machinery is double to lead double from floating type motor vehicle brake, and the brake includes end cap, and positioned at end cap the same side
Camshaft, first brake shoe plate, the second brake shoes, the first runing rest and the second runing rest, wherein, the first runing rest
It is rotatably connected respectively on the end face of end cap with the second runing rest, the first end of the first runing rest and second rotates
The first end of support is relative, and camshaft is located at the first end of the first runing rest and the first end of the second runing rest
Between, camshaft is rotatably connected on end cap；The second end of the second end of the first runing rest and the second runing rest
Intersect and lay；First brake shoe plate is located at the first runing rest outside, the first end of first brake shoe plate and the first rotation
The first end of frame offsets, and the second end of the second end of first brake shoe plate and the second runing rest offsets；Second brake
Shoe plate is located at the first end of the second runing rest outside, the first end of the second brake shoes and the second runing rest and offsets,
The second end of the second end of the second brake shoes and the first runing rest offsets；First brake shoe plate and the second brake shoes
Between by elastic device connect.
Used as preference, described elastic device is two extension springs, and one end of every extension spring connects first brake shoe plate, separately
One end connects the second brake shoes.
As preference, the floating type motor vehicle brake of the double necks of described machinery, also including two extension spring locating shafts, extension spring
Locating shaft is fixedly connected on end cap, and notch is provided with extension spring locating shaft, and every extension spring is through the groove on an extension spring locating shaft
Mouthful.
Used as preference, the first described runing rest is connected on end cap by the first bearing pin, and the first bearing pin is located at
The middle part of the first runing rest；The second described runing rest is connected on end cap by the second bearing pin, and the second bearing pin is located at
The middle part of the second runing rest.
As preference, described two ends of the first runing rest and two ends of the second runing rest be to
Projection of the end face of outer extension in plane.
As preference, the first end of the first described runing rest include the first alignment pin, the first drivewheel and
First driven pulley, the first alignment pin is rotatably connected with the body of the first runing rest, the first drivewheel and the first driven pulley
It is connected in the first alignment pin, the first drivewheel and camshaft offset, the first end of the first driven pulley and first brake shoe plate
Portion offsets.
Used as preference, the described first end structure of the second runing rest and the first end of the first runing rest is tied
Structure is identical, and the first end of the first driven pulley and the second brake shoes in the second runing rest offsets.
Used as preference, the first described driven pulley is two, is divided into above and below the first drivewheel；It is described
The first drivewheel diameter less than and the first driven pulley diameter.
Used as preference, the second end of the first described runing rest includes the second alignment pin and cylinder, and second determines
Position bearing pin is rotatably connected on the first runing rest body, and cylinder is connected in the second alignment pin, and cylinder and second brakes
The second end of shoe plate offsets；The second end of the second described runing rest includes the 3rd alignment pin and the second driven pulley,
3rd alignment pin is rotatably connected on the second runing rest body, and the second driven pulley is connected in the 3rd alignment pin；The
The second end of two driven pulleys and first brake shoe plate offsets.
Used as preference, the described both ends of first brake shoe plate and the both ends of the second brake shoes are prolonged respectively inwards
Stretch, form interior protuberance, interior protuberance is plane towards the end face of the first runing rest end face and the second runing rest end face.
Beneficial effect：Compared with prior art, technical scheme has the advantages that：In braking, stop
Car shoe plate can more many areas and hub contacts, improve braking effect, and brake shoes uniform force is conducive to prolongation to use
Life-span.Brake provided in an embodiment of the present invention, in braking, the rotation of camshaft will drive the first runing rest and the second rotation
Turn holder pivots.First runing rest and the second runing rest are rotated in the opposite sense.First brake shoe plate is positioned at the first rotation
Between the second end of the first end of support and the second runing rest, the second brake shoes is located at the second of the first runing rest
Between the first end of end and the second runing rest.Meanwhile, the first end of the first runing rest and the second runing rest
First end is relative, and the second end of the second end of the first runing rest and the second runing rest is relative to intersect laying.So,
When braking, the distance between the second end of the first end of the first runing rest and the second runing rest diminishes so that the
One brake shoes to wheel hub direction is moved, so that first brake shoe plate and hub contacts, reach braking effect.Equally,
The distance between the second end of the first end of two runing rests and the first runing rest diminishes so that the second brake shoes to
Wheel hub direction is moved, so that the second brake shoes and hub contacts, reach braking effect.In the process, first brake
Shoe plate and the overall outwards side shifting of the second brake shoes, and the outside side shifting in non local or end.This causes first brake hoof
Piece and the second brake shoes have more many areas and hub contacts, so as to improve braking effect.Meanwhile, the brake shoes of the present invention can
Realize that double necks are double from raising braking effect.Especially, in the present embodiment, first brake shoe plate and second are stopped by elastic device
Car shoe plate connects.So, first brake shoe plate and the second brake shoes are in quick condition, and it can be at any time adjusted according to stress
Position so that first brake shoe plate and the second brake shoes towards wheel hub whole surface all with hub contacts.In braking procedure
In, first brake shoe plate and the second brake shoes realize self-adjusting function by elastic device, considerably increase braking effect.Phase
The high loss that relatively local or ends contact wheel hub are caused, first brake shoe plate and the second brake shoes are more in the present embodiment
Product of having one's face covered with participates in braking, extends the service life of part.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation of the first runing rest in the embodiment of the present invention；
Fig. 3 is the structural representation of the second runing rest in the embodiment of the present invention；
Fig. 4 is the first runing rest and the second runing rest assembling schematic diagram in the embodiment of the present invention；
Fig. 5 is the structural representation of first brake shoe plate in the embodiment of the present invention；
Fig. 6 is the assembling schematic diagram of the first drivewheel and the first driven pulley in the embodiment of the present invention.
Have in figure：End cap 1, camshaft 2, first brake shoe plate 3, the second brake shoes 4, the first runing rest 5, second revolve
Turn support 6, extension spring 7, extension spring locating shaft 8, the first drivewheel 9, the first driven pulley 10, the second driven pulley 11, the pin of cylinder 12, first
Axle 13, the second bearing pin 14, interior protuberance 15, the first alignment pin 16, the second alignment pin 17, the 3rd alignment pin 18.
Specific embodiment
Below in conjunction with the accompanying drawings, technical scheme is described in detail.
As shown in Figures 1 to 6, the double neck of one kind machinery of the embodiment of the present invention is double from floating type motor vehicle brake, including
End cap 1, and the camshaft 2 positioned at the same side of end cap 1, first brake shoe plate 3, the second brake shoes 4, the first runing rest 5
With the second runing rest 6.First runing rest 5 and the second runing rest 6 are rotatably connected respectively on the end face of end cap 1,
The first end of the first end of the first runing rest 5 and the second runing rest 6 is relative, and camshaft 2 is located at the first rotation
Between the first end of the first end of frame 5 and the second runing rest 6, camshaft 2 is rotatably connected on end cap 1.First rotation
The second end of the second end and the second runing rest 6 that turn support 5 intersects to be laid.First brake shoe plate 3 is positioned at the first rotation
The first end of the outside of support 5, the first end of first brake shoe plate 3 and the first runing rest 5 offsets, first brake shoe plate 3
The second end and the second end of the second runing rest 6 offset.Second brake shoes 4 is located at the outside of the second runing rest 6, the
The first end of the first end of two brake shoes 4 and the second runing rest 6 offsets, the second end of the second brake shoes 4 and
The second end of the first runing rest 5 offsets.Connected by elastic device between the brake shoes 4 of first brake shoe plate 3 and second.
In the brake of said structure, camshaft 2 is located at the first end and the second runing rest 6 of the first runing rest 5
First end between, and camshaft 2 respectively with the first end and the first end of the second runing rest 6 of the first runing rest 5
Portion touches.Brake force is applied by camshaft 2.Camshaft 2 can make spline cam shaft, be easy to and positioned at the opposite side of end cap 1
Rocking arm coordinate.Brake force is applied by rocking arm.
When braking is needed, camshaft 2 is rotated.The rotation of camshaft 2 will drive the first runing rest 5 and the second rotation
Frame 6 is rotated.As shown in figure 1, the first runing rest 5 is rotated counterclockwise, the second runing rest 5 is rotated clockwise.First brake hoof
Piece 3 is located at the outside of the first runing rest 5, and the first end phase of the first end of first brake shoe plate 3 and the first runing rest 5
Support, the second end of the second end of first brake shoe plate 3 and the second runing rest 6 offsets.When braking, the first runing rest
The distance between the second end of 5 first end and the second runing rest 6 diminishes so that first brake shoe plate 3 is laterally（I.e.
Wheel hub direction）It is mobile, so that first brake shoe plate 3 and hub contacts, reach braking effect.Equally, the second brake shoes 4
Offset positioned at the outside of the second runing rest 6, and the first end of the first end of the second brake shoes 4 and the second runing rest 6,
The second end of the second end of the second brake shoes 4 and the first runing rest 5 offsets.When braking, second runing rest 6
The distance between the second end of first end and the first runing rest 5 diminishes so that the second brake shoes 4 is laterally（Take turns
Hub direction）It is mobile, so that the second brake shoes 4 and hub contacts, reach braking effect.In the process, first brake
The overall outwards side shifting of 3 and second brake shoes of shoe plate 4, and the outside side shifting in non local or end.This is conducive to improving system
Dynamic effect.Especially, elastic device is provided with the present embodiment, by elastic device by the brake shoe of first brake shoe plate 3 and second
Piece 4 connects.So, the brake shoes 4 of first brake shoe plate 3 and second is in quick condition, can be adjusted automatically at any time according to stress
Whole its position so that the brake shoes 4 of first brake shoe plate 3 and second towards wheel hub whole surface all with hub contacts.So
Considerably increase braking effect.
When wheel is rotated clockwise, during braking, as shown in figure 1, the first end of first brake shoe plate 3 is from hoof first
The second end of brake shoes 3 is neck hoof, and the first end of the second brake shoes 4 is to lead hoof, the second of the second brake shoes 4
End is from hoof.That is, in braking, the two ends of 3 and second brake shoes of first brake shoe plate 4 have been involved in braking, and
Same brake shoes one end is neck hoof, one end be realize from hoof double necks pair of whole brake from.This improves braking effect
Really.
Used as preference, described elastic device is two extension springs 7, and one end of every extension spring 7 connects first brake shoe plate
3, the other end connects the second brake shoes 4.Cavity is set on the first runing rest 5 and the second runing rest 6, extension spring 7 is passed through
The cavity.Extension spring 7 is connected respectively with the brake shoes 4 of first brake shoe plate 3 and second.Extension spring 7 is set so that first brake shoe plate
3 and second brake shoes 4 all the time under a stretching force, contact with the first runing rest 5 and the second runing rest 6.Certainly, ability
Field technique personnel can also adopt the elastic device of other structures.
For guarantee elastic device will not arbitrarily displacement, in this preference, also set up two extension spring locating shafts 8, extension spring positioning
Axle 8 is fixedly connected on end cap 1, and notch is provided with extension spring locating shaft 8, and every extension spring 7 is through the groove on an extension spring locating shaft 8
Mouthful.Because extension spring 7 passes through notch, and extension spring locating shaft 8 is fixedly connected on end cap 1, so extension spring locating shaft 8 is to extension spring 7
To position-limiting action, extension spring 7 is prevented from arbitrarily floating.Extension spring locating shaft 8 plays position-limiting action.
For compact conformation, it is easy to manufacture, in this preference, the first runing rest 5 is connected to end cap 1 by the first bearing pin 13
On, and the first bearing pin 13 is located at the middle part of the first runing rest 5；The second described runing rest 6 is connected by the second bearing pin 14
On end cap 1, and the second bearing pin 14 is located at the middle part of the second runing rest 6.First runing rest 5 is rotated around the first bearing pin 13,
Second runing rest 6 is rotated around the second bearing pin 14.In addition, in this preference, the first bearing pin 13 is located in the first runing rest 5
Portion, the second bearing pin 14 is located at the middle part of the second runing rest 6.So, when rotating, the two ends of the first runing rest 5 and second
The rotation amplitude at the two ends of runing rest 6 is suitable, beneficial to the job stability of whole device.
Due to first brake shoe plate 3 end respectively with the end and the end of the second runing rest 6 of the first runing rest 5
Offset, the end of the second brake shoes 4 offsets respectively with the end of the first runing rest 5 and the end of the second runing rest 6, institute
Using as a kind of preferred structure example, two ends of described the first runing rest 5 and two ends of the second runing rest 6 are equal
For projection of the end face in plane for stretching out.The end of first brake shoe plate 3 is convex with the first runing rest 5 respectively
Rise and a projection of the second runing rest 6 offsets.The end of the second brake shoes 4 respectively with the first runing rest 5 on it is another
Another projection of raised and the second runing rest 6 offsets.Preferably, contacting with the brake shoes 4 of first brake shoe plate 3 and second
The first runing rest 5 raised end face be plane.The second rotation contacted with the brake shoes 4 of first brake shoe plate 3 and second
The raised end face for turning support 6 is plane.
For the end and the end of the second runing rest 6 of the first runing rest 5, as second preferred structure example, institute
The first end of the first runing rest 5 stated includes the first alignment pin 16, the first drivewheel 9, the first driven pulley 10, and first determines
Position bearing pin 16 is rotatably connected with the body of the first runing rest 5, and the first drivewheel 9 and the first driven pulley 10 are connected to first and determine
On the bearing pin 16 of position, the first drivewheel 9 and camshaft 2 offset, the first end phase of the first driven pulley 10 and first brake shoe plate 3
Support.
The first end structure of the second runing rest 6 is identical with the first end structure of the first runing rest 5, the second rotation
The first end of the first driven pulley 10 and the second brake shoes 4 in support 6 offsets.
When the first end of the first runing rest 5 and the first end of the second runing rest 6 adopt roll wheel assembly, when convex
When wheel shaft 2 is rotated, drive the first driven pulley 10 to rotate by the first drivewheel 9, then the first rotation is caused by the first driven pulley 10
Turn the runing rest 6 of support 5 and second to rotate.In the process, by roller contact, friction is advantageously reduced, reduces system
The external force applied when dynamic.
In second preferred structure, the diameter of the first drivewheel 9 is less than the diameter with the first driven pulley 10.So,
One drivewheel 9 and camshaft 2 are contacted, and the first driven pulley 10 and the brake shoes 4 of first brake shoe plate 3 or second are contacted.
In second preferred structure, the first described driven pulley 10 can be two, be divided into positioned at the first drivewheel 9
Above and below.So, active force is applied by two the first driven pulleys, 10 pairs of the first runing rests 5 and the second runing rest 6,
Rotate the first runing rest 5 and the second runing rest 6, beneficial to raising job stability.
Further to reduce frictional force, for the end and the end of the second runing rest 6 of the first runing rest 5, as
The third preferred structure example, the second end of described the first runing rest 5 includes the second alignment pin 17 and cylinder 12, second
Alignment pin 17 is rotatably connected on the body of the first runing rest 5, and cylinder 12 is connected in the second alignment pin 17, cylinder 12
Offset with the second end of the second brake shoes 4；The second end of the second described runing rest 6 includes the 3rd alignment pin 18
With the second driven pulley 11, the 3rd alignment pin 18 is rotatably connected on the body of the second runing rest 6, and the second driven pulley 11 connects
In the 3rd alignment pin 18；The second end of the second driven pulley 11 and first brake shoe plate 3 offsets.Preferably, described
Second driven pulley 11 is two, to improve job stability.
So, the second end of the second end of the first runing rest 5 and the second brake shoes 4 is linear contact lay, and second revolves
It is linear contact lay to turn the second end of support 6 and the second end of first brake shoe plate 3, advantageously reduces frictional force.
Can combine with second preferred structure in the third preferred structure, produce during reducing work as far as possible
Frictional resistance.
As a preferred version, as shown in figure 5, the both ends of described first brake shoe plate 3 and the second brake shoes 4
Both ends extend internally respectively, form interior protuberance 15.Because in braking, the brake shoes 4 of first brake shoe plate 3 and second is outside
Side（That is wheel hub direction）It is mobile.To avoid the both ends of first brake shoe plate 3 and the both ends of the second brake shoes 4 from departing from first
The both ends of the runing rest 6 of runing rest 5 and second, the both ends of first brake shoe plate 3 and the second brake shoes 4 are formed respectively
The interior protuberance 15 for extending internally；Interior protuberance 15 is flat towards the end face of the end face of the first runing rest 5 and the end face of the second runing rest 6
Face.Accordingly even when the outside side shifting of 3 and second brake shoes of first brake shoe plate 4, interior protuberance 15 all the time with the first runing rest 5
End and the end of the second runing rest 6 offset, the brake shoes 4 of first brake shoe plate 3 and second is without departing from the first rotation
The runing rest 6 of support 5 and second, it is ensured that the steady operation of device.
The brake of above-described embodiment, under elastic device effect, the two ends of first brake shoe plate 3 and the second brake shoes
4 two ends offset all the time with the end of the first runing rest 5 and the end of the second runing rest 6.Simultaneously as elastic device connects
Connect the brake shoes 4 of first brake shoe plate 3 and second so that the brake shoes 4 of first brake shoe plate 3 and second can float, automatically
Adjust two contacts area between brake shoes and wheel hub.When camshaft 2 rotates, cam portion drives two runing rests
Drivewheel roll, while drive two runing rests rotate around bearing pin.Now, contact with brake shoes on two runing rests
Roller roll and shift simultaneously, drive two brake shoes to open simultaneously.It is two brakes because elastic device has elasticity
Automatic capturing between shoe plate and Vehicular hub, realizes full contact.Which achieves shoe brake is completely contacted, uniform force,
Elimination eccentric wear, braking effect are good, long service life purpose.
The basic principles, principal features and advantages of the present invention have been shown and described above.Those skilled in the art should
Understand, the present invention do not limited by above-mentioned specific embodiment, the description in above-mentioned specific embodiment and description be intended merely to into
One step explanation the present invention principle, without departing from the spirit and scope of the present invention, the present invention also have various change and
Improve, these changes and improvements are both fallen within scope of the claimed invention.The scope of protection of present invention will by right
Ask book and its equivalent thereof.
Claims (10)
1. a kind of double necks of machinery are double from floating type motor vehicle brake, it is characterised in that the brake includes end cap（1）, and
Positioned at end cap（1）The camshaft of the same side（2）, first brake shoe plate（3）, the second brake shoes（4）, the first runing rest（5）
With the second runing rest（6）, wherein,
First runing rest（5）With the second runing rest（6）It is rotatably connected respectively in end cap（1）End face on, first rotation
Turn support（5）First end and the second runing rest（6）First end it is relative, and camshaft（2）Positioned at the first rotation
Frame（5）First end and the second runing rest（6）First end between, camshaft（2）It is rotatably connected in end cap（1）
On；First runing rest（5）The second end and the second runing rest（6）The second end intersect lay；First brake shoe plate
（3）Positioned at the first runing rest（5）Outside, first brake shoe plate（3）First end and the first runing rest（5）First end
Portion offsets, first brake shoe plate（3）The second end and the second runing rest（6）The second end offset；Second brake shoes
（4）Positioned at the second runing rest（6）Outside, the second brake shoes（4）First end and the second runing rest（6）First end
Portion offsets, the second brake shoes（4）The second end and the first runing rest（5）The second end offset；First brake shoe plate
（3）With the second brake shoes（4）Between by elastic device connect.
2. it is double from floating type motor vehicle brake according to the double necks of machinery described in claim 1, it is characterised in that described elasticity
Device is two extension springs（7）, every extension spring（7）One end connection first brake shoe plate（3）, the other end the second brake shoes of connection
（4）.
3. it is double from floating type motor vehicle brake according to the double necks of machinery described in claim 2, it is characterised in that also including two
Extension spring locating shaft（8）, extension spring locating shaft（8）It is fixedly connected on end cap（1）On, and extension spring locating shaft（8）On be provided with notch, per root
Extension spring（7）Through an extension spring locating shaft（8）On notch.
4. it is double from floating type motor vehicle brake according to the double necks of machinery described in claim 1, it is characterised in that described first
Runing rest（5）By the first bearing pin（13）It is connected to end cap（1）On, and the first bearing pin（13）Positioned at the first runing rest（5）
Middle part；The second described runing rest（6）By the second bearing pin（14）It is connected to end cap（1）On, and the second bearing pin（14）Position
In the second runing rest（6）Middle part.
5. it is double from floating type motor vehicle brake according to the double necks of machinery described in claim 1, it is characterised in that described first
Runing rest（5）Two ends and the second runing rest（6）Two ends be the end face that stretches out in plane
It is raised.
6. it is double from floating type motor vehicle brake according to the double necks of machinery described in claim 1, it is characterised in that described first
Runing rest（5）First end include the first alignment pin（16）, the first drivewheel（9）With the first driven pulley（10）, first
Alignment pin（16）With the first runing rest（5）Body be rotatably connected, the first drivewheel（9）With the first driven pulley（10）Even
It is connected on the first alignment pin（16）On, the first drivewheel（9）And camshaft（2）Offset, the first driven pulley（10）And first brake
Shoe plate（3）First end offset.
7. it is double from floating type motor vehicle brake according to the double necks of machinery described in claim 6, it is characterised in that described second
Runing rest（6）First end structure and the first runing rest（5）First end structure it is identical, the second runing rest（6）
In the first driven pulley（10）With the second brake shoes（4）First end offset.
8. it is double from floating type motor vehicle brake according to the double necks of machinery described in claim 6 or 7, it is characterised in that described
First driven pulley（10）For two, it is divided into positioned at the first drivewheel（9）Above and below；The first described drivewheel（9）'s
Diameter is less than and the first driven pulley（10）Diameter.
9. it is double from floating type motor vehicle brake according to the double neck of machinery described in claim 6, it is characterised in that described the
One runing rest（5）The second end include the second alignment pin（17）And cylinder（12）, the second alignment pin（17）Rotatably
It is connected to the first runing rest（5）On body, cylinder（12）It is connected to the second alignment pin（17）On, cylinder（12）Stop with second
Car shoe plate（4）The second end offset；
The second described runing rest（6）The second end include the 3rd alignment pin（18）With the second driven pulley（11）, the 3rd
Alignment pin（18）It is rotatably connected in the second runing rest（6）On body, the second driven pulley（11）It is connected to the 3rd alignment pin
Axle（18）On；Second driven pulley（11）With first brake shoe plate（3）The second end offset.
10. it is double from floating type motor vehicle brake according to the double neck of machinery described in claim 1, it is characterised in that described the
One brake shoes（3）Both ends and the second brake shoes（4）Both ends extend internally respectively, formed interior protuberance（15）, it is interior
Convex portion（15）Towards the first runing rest（5）End face and the second runing rest（6）The end face of end face is plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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|---|---|---|---|---|
| US6253884B1 (en) * | 2000-03-29 | 2001-07-03 | Aeon Motor Co., Ltd. | Rear brake unit for a beach buggy |
| CN204004074U (en) * | 2014-08-19 | 2014-12-10 | 重庆碟霸科技有限公司 | The oil self-regulating brake assembly of stopping |
| CN104632941A (en) * | 2015-02-10 | 2015-05-20 | 乔爱民 | Drum brake |
| CN204828371U (en) * | 2015-06-23 | 2015-12-02 | 胡正林 | Buoyant center drum brake is changeed to five decentration |
| CN205350139U (en) * | 2016-01-25 | 2016-06-29 | 天津职业技术师范大学 | Balanced self -modulation crack wheel drag of unsteady cam of pneumatic drum -type |
| CN105857490A (en) * | 2015-01-20 | 2016-08-17 | 光阳工业股份有限公司 | Motorcycle hub type brake structure |
| CN206530619U (en) * | 2017-03-02 | 2017-09-29 | 盐城金华尔内燃机制造有限公司 | A kind of double necks of machinery are double from floating type motor vehicle brake |
-
2017
- 2017-03-02 CN CN201710119975.XA patent/CN106678204B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6253884B1 (en) * | 2000-03-29 | 2001-07-03 | Aeon Motor Co., Ltd. | Rear brake unit for a beach buggy |
| CN204004074U (en) * | 2014-08-19 | 2014-12-10 | 重庆碟霸科技有限公司 | The oil self-regulating brake assembly of stopping |
| CN105857490A (en) * | 2015-01-20 | 2016-08-17 | 光阳工业股份有限公司 | Motorcycle hub type brake structure |
| CN104632941A (en) * | 2015-02-10 | 2015-05-20 | 乔爱民 | Drum brake |
| CN204828371U (en) * | 2015-06-23 | 2015-12-02 | 胡正林 | Buoyant center drum brake is changeed to five decentration |
| CN205350139U (en) * | 2016-01-25 | 2016-06-29 | 天津职业技术师范大学 | Balanced self -modulation crack wheel drag of unsteady cam of pneumatic drum -type |
| CN206530619U (en) * | 2017-03-02 | 2017-09-29 | 盐城金华尔内燃机制造有限公司 | A kind of double necks of machinery are double from floating type motor vehicle brake |
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| CN106678204B (en) | 2018-10-23 |
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