CN111396467A - Anti-lock automobile brake - Google Patents
Anti-lock automobile brake Download PDFInfo
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- CN111396467A CN111396467A CN202010216458.6A CN202010216458A CN111396467A CN 111396467 A CN111396467 A CN 111396467A CN 202010216458 A CN202010216458 A CN 202010216458A CN 111396467 A CN111396467 A CN 111396467A
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- rotating rod
- sliding seat
- reset spring
- rod
- spring
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 238000005299 abrasion Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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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
- F16D51/10—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes
- F16D51/12—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes mechanically actuated
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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
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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
- 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
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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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
- F16D65/14—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
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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
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
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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
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
- F16D66/021—Apparatus for indicating wear using electrical detection or indication means
- F16D66/022—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an anti-lock automobile brake, which comprises a brake bottom plate, a brake drum, a first brake shoe, a second brake shoe and a driving device, wherein the first brake shoe and the second brake shoe are positioned on the inner side of the brake drum and are symmetrically arranged; the invention adopts a mechanical structure, can prevent the wheels from being dragged to be dead and slippery when the automobile is braked, and ensures the driving safety.
Description
Technical Field
The invention relates to the field of automobile braking, in particular to an anti-lock automobile brake.
Background
When the automobile runs at a high speed or runs on a road surface with poor road conditions such as ice, snow, rainwater, floating sand and the like, once the automobile needs emergency braking, if the pressure is overlarge, wheels can be locked to cause the wheels to slip or sideslip; most of the existing automobile brakes are electronic, and are connected into an automobile braking system in series in the automobile production process, the oil pressure of wheels pushes a brake shoe to be in pulse contact with a brake drum by utilizing the pulse with specific frequency output by the automobile brakes, so that the aim of locking prevention is fulfilled; however, the electronic anti-lock system needs to adopt an electronic sensor to detect the stress condition of each wheel and then a processor distributes a braking force to brake, so that the response of automatically adjusting the braking force is relatively slow; in addition, the electronic antilock brake system may be interfered by external magnetic field, and in severe cases, the whole brake system loses brake performance, thereby affecting driving safety.
Disclosure of Invention
The invention provides an anti-lock automobile brake for overcoming the defects of the prior art, which adopts a mechanical structure, can prevent the wheels from being dragged to be dead and slippery when an automobile is braked, and ensures the driving safety.
In order to achieve the purpose, the invention adopts the following technical scheme: an anti-lock automobile brake comprises a brake bottom plate, a brake drum, a first brake shoe and a second brake shoe which are positioned on the brake bottom plate in an inner side and a symmetrical mode, and a driving device for driving the first brake shoe and the second brake shoe to move relatively, wherein the driving device comprises a circular guide rail, a first slide seat, a second slide seat, a third slide seat and a fourth slide seat which are distributed on the circular guide rail in an annular mode at equal intervals, a circular ring body which is simultaneously arranged on the first slide seat, the second slide seat, the third slide seat and the fourth slide seat, a first tension spring which is sleeved on the circular ring body and is fixedly arranged on the second slide seat at the other end of the first slide seat, a second tension spring which is sleeved on the circular ring body and is fixedly arranged on the third slide seat at one end of the second slide seat at the other end of the first tension spring, a first pressure spring which is fixedly arranged on the third slide seat at the other end of the, The second pressure spring is sleeved on the circular ring body, one end of the second pressure spring is fixedly arranged on the first sliding seat, the other end of the second pressure spring is fixedly arranged on the fourth sliding seat, the rotating rod assembly is used for connecting the first sliding seat and the second sliding seat, the third sliding seat and the fourth sliding seat with the first brake shoe and the second brake shoe, the first push rod assembly is used for driving the first sliding seat and the second sliding seat to move downwards along the circular guide rail, the second push rod assembly is used for driving the third sliding seat and the fourth sliding seat to move upwards along the circular guide rail, and the reset spring set is used for resetting the first brake shoe and the second brake shoe; the first brake shoe and the second brake shoe are driven by the driving device to move relatively far away from the horizontal direction and simultaneously move towards the inner wall of the brake drum, the first brake shoe and the second brake shoe are simultaneously contacted with the inner wall of the brake drum to complete braking, the first push rod assembly and the second push rod assembly are simultaneously started to push the first sliding seat and the fourth sliding seat to approach each other along the circular guide rail, the second sliding seat and the third sliding seat approach each other along the circular guide rail, the first brake shoe is respectively connected with the first sliding seat and the fourth sliding seat through the arrangement of the rotating rod assembly, the second brake shoe is respectively connected with the second sliding seat and the third sliding seat, so that the first sliding seat and the fourth sliding seat approach each other along the circular guide rail, the rotating rod assembly rotates to enable the first brake shoe and the second brake shoe to relatively move, and the moving process of the first sliding seat to the fourth sliding seat is more stable through the arrangement of the ring body, the first tension spring and the second tension spring are arranged to apply tension to the first slide seat to the fourth slide seat to reset the first slide seat, the first pressure spring and the second pressure spring are arranged to apply thrust to the first slide seat to the fourth slide seat in the same direction as the tension of the first tension spring and the second tension spring, so that a good reset effect is achieved, namely, the first brake shoe and the second brake shoe are reset, the tension and the thrust generated by the first tension spring, the second tension spring, the first pressure spring and the second pressure spring are continuously changed through the arrangement of the ring body, namely, the force in the tangential direction of the ring body is applied, so that the first slide seat to the fourth slide seat are better reset, the reset spring group is used for resetting the first brake shoe and the first slide seat as well as the fourth slide seat, and the second brake shoe and the third slide seat are reset, so that the reset of the first brake shoe and the second brake shoe is greatly improved, namely, the dragging and sliding of wheels during the braking of the automobile is avoided, the arc-shaped surfaces of the first brake shoe and the second brake shoe are enabled to be in contact with the brake drum simultaneously through horizontal movement of the first brake shoe and the second brake shoe, so that the situation that partial abrasion is serious due to the fact that parts in the braking process are in contact with the brake drum first and the contact area between the first brake shoe and the brake drum and between the second brake shoe and the brake drum are affected is avoided, the first brake shoe and the second brake shoe are evenly abraded, namely the contact area between the first brake shoe and the brake drum and the contact area between the second brake shoe and the brake drum are kept, the braking effect is kept inconvenient all the time in the long-time use process, the linkage is more consistent and stable through the arrangement, and a mechanical structure is adopted, so that the phenomenon that the wheel is dragged to be dry and slippery during automobile braking can be prevented.
The rotating rod assembly comprises a first rotating rod and a second rotating rod, one end of the first rotating rod and the second rotating rod is rotatably arranged on the first sliding seat, the other end of the first rotating rod and the fourth rotating rod is rotatably arranged on the first brake shoe, one end of the first rotating rod and the fourth rotating rod is rotatably arranged on the fourth sliding seat, the other end of the first rotating rod and the fourth rotating rod is rotatably arranged on the first brake shoe, one end of the first rotating rod and the second rotating rod is rotatably arranged on the second sliding seat, the other end of the first rotating rod and the second rotating rod are rotatably arranged on the second brake shoe, the first rotating rod and the eighth rotating rod are the same in structure, the first rotating rod and the third rotating rod are symmetrically arranged, the second rotating rod and the fourth rotating rod are symmetrically arranged, the fifth rotating rod and the seventh rotating rod are symmetrically arranged, the sixth rotating rod and the eighth rotating rod are symmetrically arranged, the first rotating rod and the fifth rotating rod are symmetrically arranged, and the second rotating rod and the sixth rotating rod are symmetrically arranged, the third rotating rod and the seventh rotating rod are symmetrically arranged, and the fourth rotating rod and the eighth rotating rod are symmetrically arranged; the first slide seat and the fourth slide seat are close to each other, the third slide seat and the second slide seat are close to each other, so that the first rotating rod and the second rotating rod rotate in the same direction, the third rotating rod and the fourth rotating rod rotate in the same direction, the fifth rotating rod and the sixth rotating rod rotate in the same direction, the seventh rotating rod and the eighth rotating rod rotate in the same direction, the first rotating rod and the third rotating rod are symmetrically arranged, the second rotating rod and the fourth rotating rod are symmetrically arranged, the fifth rotating rod and the seventh rotating rod are symmetrically arranged, the sixth rotating rod and the eighth rotating rod are symmetrically arranged, the first rotating rod and the fifth rotating rod are symmetrically arranged, the second rotating rod and the sixth rotating rod are symmetrically arranged, the third rotating rod and the seventh rotating rod are symmetrically arranged, and the fourth rotating rod and the eighth rotating rod are symmetrically arranged, so that the first rotating rod and the third rotating rod rotate relatively, and the fifth rotating rod and the seventh rotating rod rotate relatively, therefore, the first brake shoe and the second brake shoe complete relative movement, and the stability is high in the movement process of the first brake shoe and the second brake shoe through the arrangement.
The reset spring group comprises a first reset spring and a second reset spring, one end of the first reset spring is rotatably arranged on the first sliding seat, the other end of the first reset spring is rotatably arranged on the first braking shoe, one end of the third reset spring is rotatably arranged on the fourth sliding seat, the other end of the third reset spring is rotatably arranged on the first braking shoe, one end of the fifth reset spring is rotatably arranged on the second sliding seat, the other end of the fifth reset spring is rotatably arranged on the second braking shoe, the other end of the fifth reset spring is rotatably arranged on the second sliding seat, the first reset spring and the second reset spring are symmetrically arranged, the second reset spring and the fourth reset spring are symmetrically arranged, the fifth reset spring and the seventh reset spring are symmetrically arranged, the sixth reset spring and the eighth reset spring are symmetrically arranged, and the first reset spring and the fifth reset spring are symmetrically arranged, the second return spring and the sixth return spring are symmetrically arranged, the third return spring and the seventh return spring are symmetrically arranged, and the fourth return spring and the eighth return spring are symmetrically arranged; the first rotating rod can be reset by reverse tension of the first return spring, the second rotating rod can be reset by reverse tension of the second return spring, the third rotating rod can be reset by reverse tension of the third return spring, the fourth rotating rod can be reset by reverse tension of the fourth return spring, the fifth rotating rod can be reset by reverse tension of the fifth return spring, the sixth rotating rod can be reset by reverse tension of the sixth return spring, the seventh rotating rod can be reset by reverse tension of the seventh return spring, the eighth rotating rod can be reset by reverse tension of the eighth return spring, namely, the distance between the first brake shoe and the first sliding seat and the fourth sliding seat is shortened, the first brake shoe is reset, the distance between the second brake shoe and the second sliding seat and the third sliding seat is shortened, the second brake shoe is reset, and the first pressure spring, the second pressure spring, the first tension spring and the second tension spring reset the first sliding seat to the fourth sliding seat, therefore, the resetting effect of the first brake shoe and the second brake shoe is greatly improved, namely, the locking phenomenon in the braking process is avoided.
The first push rod component and the second push rod component have the same structure, the first push rod component comprises a first rotating shaft which is rotatably arranged on the first sliding seat, a second rotating shaft which is symmetrically arranged with the first rotating shaft and is rotatably arranged on the second sliding seat, a special-shaped rod, a first fixed seat, a moving rod, a first spring, a lantern ring, a rod body, a abduction hole, a push rod, a length of the rod body, the length of the rod body is larger than the length of the rod body between the lantern ring and the moving rod, the special-shaped rod is arranged on the first sliding seat, two ends of the special-shaped rod are respectively penetrated through the first rotating shaft and the second rotating shaft, the first fixed seat is arranged above the middle part of the special-shaped rod, one end of the moving rod is penetrated through the first fixed seat, one end of the moving rod is fixedly arranged on the special-shaped rod, one end of the first spring is fixedly arranged on the first fixed seat, one end of, the distance between the lantern ring and the moving rod is smaller than the distance between the lantern ring and the push rod; the push rod is started, one end of the rod body rises, the other end of the rod body descends, namely, the moving rod moves downwards, the moving rod is fixedly connected with the special-shaped rod, so that the special-shaped rod moves towards the direction of the second push rod assembly, and the first rotating shaft and the second rotating shaft are arranged to enable the first sliding seat and the second sliding seat to move downwards and to be relatively far away from each other, so that the first rotating shaft and the second rotating shaft move along the direction of the special-shaped rod; the length of the body of rod between the lantern ring to the carriage release lever is greater than the length of the body of rod between the lantern ring to the push rod, play hard effect through lever principle, thereby can avoid the mistake to adopt pedal brake and improve its pedal brake sense of touch, the push rod promotes body of rod one end gradually and rises, make the body of rod continuously rotate, make and move between the body of rod and the lantern ring, make the length of the body of rod between the lantern ring to the carriage release lever shorten gradually, the length of the body of rod between the lantern ring to the push rod becomes long gradually, and the length of the body of rod between the lantern ring to the push rod at the back is greater than the length of the body of rod between the lantern ring to the carriage release lever, it is more laborsaving to make the body of rod rotate in-process through lever principle like this, it is better to adopt more hard effect than current pedal.
The first push rod assembly further comprises a second spring, one end of the second spring is rotatably arranged on the circular guide rail, the other end of the second spring is rotatably arranged on the first rotating shaft, one end of the third spring is rotatably arranged on the circular guide rail, the other end of the third spring is rotatably arranged on the second rotating shaft, and the second spring and the third spring are symmetrically arranged; a first travel switch is arranged on the first sliding seat, and a second travel switch is arranged on the second sliding seat; the first sliding seat and the second sliding seat move downwards and are far away from each other relatively, so that the first rotating shaft and the second rotating shaft move along the direction of the special-shaped rod, namely the second rotating shaft and the second rotating shaft move relatively and downwards, the second spring and the third spring generate pulling force on the first rotating shaft and the second rotating shaft firstly, the first rotating shaft and the second rotating shaft move continuously along the special-shaped rod, namely the first rotating shaft and the second rotating shaft are far away from each other, the second spring and the third spring generate pushing force on the first shaft and the second shaft, the first rotating shaft and the second rotating shaft move continuously along the special-shaped rod, namely the first rotating shaft and the second rotating shaft are far away from each other, the second spring and the third spring generate pulling force on the first shaft and the second shaft, the service lives of the second sliding seat and the second sliding seat can be prolonged and compressed by the second spring and the third spring, the reduction of elasticity of the second sliding seat and the third spring caused by long-time extension or compression can be avoided, and the restoring effect can be achieved on the first, namely, the first sliding seat and the second sliding seat are reset; first slide and fourth slide are close to each other, and second slide and third slide are close to each other, because the wearing and tearing of first brake shoe and second brake shoe, make its first slide and fourth slide be more and more nearly and second slide and third slide are more and more nearly, when first brake shoe and the wearing and tearing of second brake shoe are out of order soon, first travel switch and second travel switch are touched the warning suggestion, need to change the two promptly, can avoid first brake shoe and the second brake shoe to lose efficacy through this kind of setting, factor of safety in the driving process has been improved greatly, it is high to make its fault-tolerant rate through first travel switch and the setting of second travel switch.
The invention has the following advantages: the first brake shoe and the second brake shoe are driven by the driving device to relatively move away from the horizontal direction and simultaneously move towards the inner wall of the brake drum, the first brake shoe and the second brake shoe are simultaneously contacted with the inner wall of the brake drum to complete braking, the first push rod assembly and the second push rod assembly are simultaneously started to push the first sliding seat and the fourth sliding seat to mutually approach along the circular guide rail, the second sliding seat and the third sliding seat are mutually approached along the circular guide rail, the first tension spring and the second tension spring are used for setting tension on the first sliding seat to the fourth sliding seat to reset the first sliding seat, the first pressure spring and the second pressure spring are used for setting the thrust on the first sliding seat to the fourth sliding seat to be consistent with the tension direction of the first tension spring and the second tension spring, so that a good resetting effect is achieved, namely, the first brake shoe and the second brake shoe are reset, the phenomenon that a wheel is prevented from being firmly dragged to slide during automobile braking is avoided, and the first brake shoe and the, the arc-shaped surfaces of the first brake shoe and the second brake shoe are enabled to be in contact with the brake drum at the same time, so that the phenomenon that partial abrasion is serious due to the fact that parts of the arc-shaped surfaces of the first brake shoe and the second brake shoe are in contact with the brake drum first in the braking process and the contact area between the first brake shoe and the brake drum is affected is avoided, the first brake shoe and the second brake shoe are evenly abraded, namely the contact area between the first brake shoe and the brake drum and the contact area between the second brake shoe and the brake drum are kept, the braking effect is kept inconvenient all the time in the long-time use process, the linkage is more consistent and stable through the arrangement, a mechanical structure is adopted, the phenomenon that the wheel is dragged to be dead and.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic front view of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a structural sectional view taken along line a-a of fig. 2.
Fig. 5 is a side view of the present invention.
Fig. 6 is a cross-sectional view taken along line B-B of fig. 5.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-6, an anti-lock brake for automobile comprises a brake bottom plate 1, a brake drum 2, a first brake shoe 3 and a second brake shoe 4 which are arranged on the brake bottom plate and are symmetrically arranged on the inner side of the brake drum, and a driving device 5 for driving the first brake shoe and the second brake shoe to move relatively, wherein the driving device 5 comprises a circular guide rail 51, a first slide seat 52, a second slide seat 53, a third slide seat 54 and a fourth slide seat 55 which are arranged on the circular guide rail in an annular distribution with equal distance, a circular ring 56 which is arranged on the first slide seat 52, the second slide seat 53, the third slide seat 54 and the fourth slide seat 55 at the same time, a first tension spring 57 which is sleeved on the circular ring and one end of which is fixedly arranged on the first slide seat and the other end of which is fixedly arranged on the first slide seat, a second tension spring 58 which is sleeved on the circular ring and one end of which is fixedly arranged on the third slide seat and the other end of which is fixedly arranged on the second slide seat, a first The second pressure spring 510 is sleeved on the circular ring body, one end of the second pressure spring is fixedly arranged on the first sliding seat, the other end of the second pressure spring is fixedly arranged on the fourth sliding seat, the rotating rod assembly 6 is used for connecting the first sliding seat 52, the second sliding seat 53, the third sliding seat 54 and the fourth sliding seat 55 with the first brake shoe and the second brake shoe, the first push rod assembly 7 is used for driving the first sliding seat and the second sliding seat to move downwards along a circular guide rail, the second push rod assembly 8 is used for driving the third sliding seat and the fourth sliding seat to move upwards along the circular guide rail, and the reset spring assembly 9 is used for resetting the first brake shoe and the second brake shoe; the first brake shoe and the second brake shoe are driven by the driving device to move relatively far away from the horizontal direction and simultaneously move towards the inner wall of the brake drum, the first brake shoe and the second brake shoe are simultaneously contacted with the inner wall of the brake drum to complete braking, the first push rod assembly and the second push rod assembly are simultaneously started to push the first sliding seat and the fourth sliding seat to approach each other along the circular guide rail, the second sliding seat and the third sliding seat approach each other along the circular guide rail, the first brake shoe is respectively connected with the first sliding seat and the fourth sliding seat through the arrangement of the rotating rod assembly, the second brake shoe is respectively connected with the second sliding seat and the third sliding seat, so that the first sliding seat and the fourth sliding seat approach each other along the circular guide rail, the rotating rod assembly rotates to enable the first brake shoe and the second brake shoe to relatively move, and the moving process of the first sliding seat to the fourth sliding seat is more stable through the arrangement of the ring body, the first tension spring and the second tension spring are arranged to apply tension to the first slide seat to the fourth slide seat to reset the first slide seat, the first pressure spring and the second pressure spring are arranged to apply thrust to the first slide seat to the fourth slide seat in the same direction as the tension of the first tension spring and the second tension spring, so that a good reset effect is achieved, namely, the first brake shoe and the second brake shoe are reset, the tension and the thrust generated by the first tension spring, the second tension spring, the first pressure spring and the second pressure spring are continuously changed through the arrangement of the ring body, namely, the force in the tangential direction of the ring body is applied, so that the first slide seat to the fourth slide seat are better reset, the reset spring group is used for resetting the first brake shoe and the first slide seat as well as the fourth slide seat, and the second brake shoe and the third slide seat are reset, so that the reset of the first brake shoe and the second brake shoe is greatly improved, namely, the dragging and sliding of wheels during the braking of the automobile is avoided, the arc-shaped surfaces of the first brake shoe and the second brake shoe are enabled to be in contact with the brake drum simultaneously through horizontal movement of the first brake shoe and the second brake shoe, so that the situation that partial abrasion is serious due to the fact that parts in the braking process are in contact with the brake drum first and the contact area between the first brake shoe and the brake drum and between the second brake shoe and the brake drum are affected is avoided, the first brake shoe and the second brake shoe are evenly abraded, namely the contact area between the first brake shoe and the brake drum and the contact area between the second brake shoe and the brake drum are kept, the braking effect is kept inconvenient all the time in the long-time use process, the linkage is more consistent and stable through the arrangement, and a mechanical structure is adopted, so that the phenomenon that the wheel is dragged to be dry and slippery during automobile braking can be prevented.
The rotating rod assembly 6 comprises a first rotating rod 61 and a second rotating rod 62, one end of the first rotating rod is rotatably arranged on the first sliding seat, the other end of the first rotating rod is rotatably arranged on the first braking shoe, the other end of the first rotating rod is rotatably arranged on the fourth sliding seat, the other end of the third rotating rod is rotatably arranged on the first braking shoe, one end of the third rotating rod is rotatably arranged on the second sliding seat, the other end of the third rotating rod is rotatably arranged on the second braking shoe, the fifth rotating rod 65 and the sixth rotating rod 66 are rotatably arranged on the second braking shoe, one end of the seventh rotating rod 67 and the eighth rotating rod 68 are rotatably arranged on the third sliding seat, the first rotating rod and the eighth rotating rod have the same structure, the first rotating rod and the third rotating rod are symmetrically arranged, the second rotating rod and the fourth rotating rod are symmetrically arranged, the fifth rotating rod and the seventh rotating rod are symmetrically arranged, the sixth rotating rod and the eighth rotating rod are symmetrically arranged, the first rotating rod and the fifth rotating rod are symmetrically arranged, and the second rotating rod and the sixth rotating rod are symmetrically arranged, the third rotating rod and the seventh rotating rod are symmetrically arranged, and the fourth rotating rod and the eighth rotating rod are symmetrically arranged; the first slide seat and the fourth slide seat are close to each other, the third slide seat and the second slide seat are close to each other, so that the first rotating rod and the second rotating rod rotate in the same direction, the third rotating rod and the fourth rotating rod rotate in the same direction, the fifth rotating rod and the sixth rotating rod rotate in the same direction, the seventh rotating rod and the eighth rotating rod rotate in the same direction, the first rotating rod and the third rotating rod are symmetrically arranged, the second rotating rod and the fourth rotating rod are symmetrically arranged, the fifth rotating rod and the seventh rotating rod are symmetrically arranged, the sixth rotating rod and the eighth rotating rod are symmetrically arranged, the first rotating rod and the fifth rotating rod are symmetrically arranged, the second rotating rod and the sixth rotating rod are symmetrically arranged, the third rotating rod and the seventh rotating rod are symmetrically arranged, and the fourth rotating rod and the eighth rotating rod are symmetrically arranged, so that the first rotating rod and the third rotating rod rotate relatively, and the fifth rotating rod and the seventh rotating rod rotate relatively, therefore, the first brake shoe and the second brake shoe complete relative movement, and the stability is high in the movement process of the first brake shoe and the second brake shoe through the arrangement.
The reset spring group 9 comprises a first reset spring 91 and a second reset spring 92, one end of the first reset spring is rotatably arranged on the first sliding seat, the other end of the first reset spring is rotatably arranged on the first braking shoe, the other end of the first reset spring is rotatably arranged on the fourth sliding seat, the third reset spring 93 and the fourth reset spring 94 are rotatably arranged on the first braking shoe, one end of the fifth reset spring 95 and the sixth reset spring 96 are rotatably arranged on the second sliding seat, the other end of the fifth reset spring is rotatably arranged on the third sliding seat, the other end of the seventh reset spring 97 and the eighth reset spring 98 are rotatably arranged on the second braking shoe, the first reset spring and the third reset spring are symmetrically arranged, the second reset spring and the fourth reset spring are symmetrically arranged, the fifth reset spring and the seventh reset spring are symmetrically arranged, the sixth reset spring and the eighth reset spring are symmetrically arranged, the first reset spring and the fifth reset spring are symmetrically arranged, the second return spring and the sixth return spring are symmetrically arranged, the third return spring and the seventh return spring are symmetrically arranged, and the fourth return spring and the eighth return spring are symmetrically arranged; the first rotating rod can be reset by reverse tension of the first return spring, the second rotating rod can be reset by reverse tension of the second return spring, the third rotating rod can be reset by reverse tension of the third return spring, the fourth rotating rod can be reset by reverse tension of the fourth return spring, the fifth rotating rod can be reset by reverse tension of the fifth return spring, the sixth rotating rod can be reset by reverse tension of the sixth return spring, the seventh rotating rod can be reset by reverse tension of the seventh return spring, the eighth rotating rod can be reset by reverse tension of the eighth return spring, namely, the distance between the first brake shoe and the first sliding seat and the fourth sliding seat is shortened, the first brake shoe is reset, the distance between the second brake shoe and the second sliding seat and the third sliding seat is shortened, the second brake shoe is reset, and the first pressure spring, the second pressure spring, the first tension spring and the second tension spring reset the first sliding seat to the fourth sliding seat, therefore, the resetting effect of the first brake shoe and the second brake shoe is greatly improved, namely, the locking phenomenon in the braking process is avoided.
The first push rod component 7 and the second push rod component 8 have the same structure, the first push rod component 7 comprises a first rotating shaft 71 which is rotatably arranged on the first sliding seat, a second rotating shaft 72 which is symmetrically arranged with the first rotating shaft and is rotatably arranged on the second sliding seat, a special-shaped rod 73 which is respectively arranged on the first rotating shaft and the second rotating shaft in a penetrating way at two ends, a first fixed seat 74 which is arranged at the middle upper part of the special-shaped rod, a moving rod 75 which is arranged on the special-shaped rod in a penetrating way at one end and is fixedly arranged on the first fixed seat at one end, a first spring 76 which is fixedly arranged on the moving rod at one end and is fixedly arranged on the first fixed seat at the other end, a lantern ring 77 which is rotatably arranged on the first fixed seat, a rod body 78 which is movably arranged in the lantern ring and is rotatably arranged at one end on the other end of the first push rod, a abd, the length of the rod body 78 between the collar and the moving rod is greater than the length of the rod body 78 between the collar and the push rod, and the distance between the collar and the moving rod is less than the distance between the collar and the push rod; the push rod is started, one end of the rod body rises, the other end of the rod body descends, namely, the moving rod moves downwards, the moving rod is fixedly connected with the special-shaped rod, so that the special-shaped rod moves towards the direction of the second push rod assembly, and the first rotating shaft and the second rotating shaft are arranged to enable the first sliding seat and the second sliding seat to move downwards and to be relatively far away from each other, so that the first rotating shaft and the second rotating shaft move along the direction of the special-shaped rod; the length of the body of rod 78 between the lantern ring to the carriage release lever is greater than the length of the body of rod 78 between the lantern ring to the push rod, play hard effect through lever principle, thereby can avoid the mistake to adopt pedal brake and improve its pedal brake sense of touch, the push rod promotes body of rod one end gradually and rises, make the body of rod continuously rotate, make and move between the body of rod and the lantern ring, make the length of the body of rod between the lantern ring to the carriage release lever shorten gradually, the length of the body of rod between the lantern ring to the push rod becomes elongated gradually, and the length of the body of rod between the lantern ring to the push rod at the back is greater than the length of the body of rod between the lantern ring to the carriage, it is more laborsaving to make the body of rod rotate in-process through lever principle in the same time, it is better to adopt hard effect more than current pedal.
The first push rod assembly 7 further comprises a second spring 711, one end of which is rotatably arranged on the circular guide rail, the other end of which is rotatably arranged on the first rotating shaft, and a third spring 712, one end of which is rotatably arranged on the circular guide rail, the other end of which is rotatably arranged on the second rotating shaft, wherein the second spring and the third spring are symmetrically arranged; a first travel switch 10 is arranged on the first sliding seat, and a second travel switch 11 is arranged on the second sliding seat; the first sliding seat and the second sliding seat move downwards and are far away from each other relatively, so that the first rotating shaft and the second rotating shaft move along the direction of the special-shaped rod, namely the second rotating shaft and the second rotating shaft move relatively and downwards, the second spring and the third spring generate pulling force on the first rotating shaft and the second rotating shaft firstly, the first rotating shaft and the second rotating shaft move continuously along the special-shaped rod, namely the first rotating shaft and the second rotating shaft are far away from each other, the second spring and the third spring generate pushing force on the first shaft and the second shaft, the first rotating shaft and the second rotating shaft move continuously along the special-shaped rod, namely the first rotating shaft and the second rotating shaft are far away from each other, the second spring and the third spring generate pulling force on the first shaft and the second shaft, the service lives of the second sliding seat and the second sliding seat can be prolonged and compressed by the second spring and the third spring, the reduction of elasticity of the second sliding seat and the third spring caused by long-time extension or compression can be avoided, and the restoring effect can be achieved on the first, namely, the first sliding seat and the second sliding seat are reset; first slide and fourth slide are close to each other, and second slide and third slide are close to each other, because the wearing and tearing of first brake shoe and second brake shoe, make its first slide and fourth slide be more and more nearly and second slide and third slide are more and more nearly, when first brake shoe and the wearing and tearing of second brake shoe are out of order soon, first travel switch and second travel switch are touched the warning suggestion, need to change the two promptly, can avoid first brake shoe and the second brake shoe to lose efficacy through this kind of setting, factor of safety in the driving process has been improved greatly, it is high to make its fault-tolerant rate through first travel switch and the setting of second travel switch.
Claims (5)
1. An anti-lock automotive brake characterized by: including soleplate (1), brake drum (2), be located first brake shoe (3) and second brake shoe (4) that soleplate was located to inboard just symmetry of brake drum, be used for driving drive arrangement (5) of first brake shoe and second brake shoe relative movement, drive arrangement (5) include circular guide rail (51), equidistance annular distribution locate first slide (52) and second slide (53) and third slide (54) and fourth slide (55) on circular guide rail, locate tourus (56) on first slide (52) and second slide (53) and third slide (54) and fourth slide (55) simultaneously, cover on tourus and one end fix locate first extension spring (57) on the second slide that the other end is fixed to be located on first slide, cover on tourus and one end fix locate on the third slide second extension spring (58) that the other end is fixed to be located on the fourth slide, The brake shoe comprises a circular ring body, a first pressure spring (59) sleeved on the circular ring body and fixed at one end on the second sliding seat and fixed at the other end on the third sliding seat, a second pressure spring (510) sleeved on the circular ring body and fixed at one end on the first sliding seat and fixed at the other end on the fourth sliding seat, a rotating rod assembly (6) used for connecting the first sliding seat (52), the second sliding seat (53), the third sliding seat (54) and the fourth sliding seat (55) with the first brake shoe and the second brake shoe, a first push rod assembly (7) used for driving the first sliding seat and the second sliding seat to move downwards along the circular guide rail, a second push rod assembly (8) used for driving the third sliding seat and the fourth sliding seat to move upwards along the circular guide rail, and a reset spring assembly (9) used for resetting the first brake shoe and the second brake shoe.
2. An anti-lock automotive brake according to claim 1, characterized in that: the rotating rod assembly (6) comprises a first rotating rod (61) and a second rotating rod (62) which are rotatably arranged on a first sliding seat at one end and are rotatably arranged on a first brake shoe at the other end, a third rotating rod (63) and a fourth rotating rod (64) which are rotatably arranged on a fourth sliding seat at one end and are rotatably arranged on the first brake shoe at the other end, a fifth rotating rod (65) and a sixth rotating rod (66) which are rotatably arranged on a second sliding seat at one end and are rotatably arranged on a second brake shoe at the other end, a seventh rotating rod (67) and an eighth rotating rod (68) which are rotatably arranged on a third sliding seat at one end and are rotatably arranged on the second brake shoe at the other end, the first rotating rod to the eighth rotating rod are same in structure, the first rotating rod and the third rotating rod are symmetrically arranged, the second rotating rod and the fourth rotating rod are symmetrically arranged, the fifth rotating rod and the seventh rotating rod are symmetrically arranged, the sixth rotating rod and the eighth rotating rod are symmetrically arranged, the first rotating rod and the fifth rotating rod are symmetrically arranged, the second rotating rod and the sixth rotating rod are symmetrically arranged, the third rotating rod and the seventh rotating rod are symmetrically arranged, and the fourth rotating rod and the eighth rotating rod are symmetrically arranged.
3. An anti-lock automotive brake according to claim 1, characterized in that: the reset spring group (9) comprises a first reset spring (91) and a second reset spring (92), one end of the first reset spring is rotatably arranged on the first sliding seat, the other end of the first reset spring is rotatably arranged on the first braking shoe, the other end of the first reset spring is rotatably arranged on the fourth sliding seat, the third reset spring (93) and the fourth reset spring (94) are rotatably arranged on the first braking shoe, one end of the fifth reset spring is rotatably arranged on the second sliding seat, the other end of the fifth reset spring is rotatably arranged on the second braking shoe, the fifth reset spring (95) and the sixth reset spring (96) are rotatably arranged on the second braking shoe, one end of the seventh reset spring (97) and the eighth reset spring (98) are rotatably arranged on the second braking shoe, the first reset spring and the third reset spring are symmetrically arranged, the second reset spring and the fourth reset spring are symmetrically arranged, the fifth reset spring and the seventh reset spring are symmetrically arranged, and the sixth reset spring and the eighth reset spring are, the first reset spring and the fifth reset spring are symmetrically arranged, the second reset spring and the sixth reset spring are symmetrically arranged, the third reset spring and the seventh reset spring are symmetrically arranged, and the fourth reset spring and the eighth reset spring are symmetrically arranged.
4. An anti-lock automotive brake according to claim 1, characterized in that: the first push rod component (7) and the second push rod component (8) have the same structure, the first push rod component (7) comprises a first rotating shaft (71) which is rotatably arranged on the first sliding seat, a second rotating shaft (72) which is symmetrically arranged with the first rotating shaft and is rotatably arranged on the second sliding seat, a special-shaped rod (73) with two ends respectively penetrating through the first rotating shaft and the second rotating shaft, a first fixing seat (74) arranged at the middle upper part of the special-shaped rod, a moving rod (75) penetrating through the first fixing seat and with one end fixedly arranged on the special-shaped rod, a first spring (76) with one end fixedly arranged on the moving rod and the other end fixedly arranged on the first fixing seat, a sleeve ring (77) rotatably arranged on the first fixing seat, a rod body (78) which is movably arranged in the sleeve ring and with one end rotatably arranged on the other end of the first push rod, a abdicating hole (79) arranged on the first fixing seat, and a push rod (710, the length of the rod body (78) between the lantern ring and the moving rod is larger than that of the rod body (78) between the lantern ring and the push rod, and the distance between the lantern ring and the moving rod is smaller than that between the lantern ring and the push rod.
5. An anti-lock automotive brake according to claim 1, characterized in that: the first push rod assembly (7) further comprises a second spring (711) with one end rotatably arranged on the circular guide rail and the other end rotatably arranged on the first rotating shaft, and a third spring (712) with one end rotatably arranged on the circular guide rail and the other end rotatably arranged on the second rotating shaft, wherein the second spring and the third spring are symmetrically arranged; the first slide is provided with a first travel switch (10), and the second slide is provided with a second travel switch (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010216458.6A CN111396467A (en) | 2020-03-25 | 2020-03-25 | Anti-lock automobile brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010216458.6A CN111396467A (en) | 2020-03-25 | 2020-03-25 | Anti-lock automobile brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111396467A true CN111396467A (en) | 2020-07-10 |
Family
ID=71436549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010216458.6A Withdrawn CN111396467A (en) | 2020-03-25 | 2020-03-25 | Anti-lock automobile brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111396467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967725A (en) * | 2024-04-02 | 2024-05-03 | 泰州市天宇交通器材有限公司 | Brake drum mechanism with anti-lock function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB364536A (en) * | 1930-08-26 | 1931-12-28 | John Vernon Pugh | Improvements in or relating to friction devices such as brakes and clutches |
| GB929826A (en) * | 1960-12-05 | 1963-06-26 | Bendix Corp | Brake shoe retracting mechanism |
| CN109404439A (en) * | 2018-11-28 | 2019-03-01 | 湖北赞博信息科技股份有限公司 | A kind of automobile brake drum that wear resistance is good |
| CN209294285U (en) * | 2018-12-29 | 2019-08-23 | 焦作中海重工机械有限公司 | A kind of pneumatic drum brake |
| CN209943384U (en) * | 2019-04-10 | 2020-01-14 | 江门市珠峰摩托车有限公司 | Single-machine speed reduction power control structure of electric motorcycle |
-
2020
- 2020-03-25 CN CN202010216458.6A patent/CN111396467A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB364536A (en) * | 1930-08-26 | 1931-12-28 | John Vernon Pugh | Improvements in or relating to friction devices such as brakes and clutches |
| GB929826A (en) * | 1960-12-05 | 1963-06-26 | Bendix Corp | Brake shoe retracting mechanism |
| CN109404439A (en) * | 2018-11-28 | 2019-03-01 | 湖北赞博信息科技股份有限公司 | A kind of automobile brake drum that wear resistance is good |
| CN209294285U (en) * | 2018-12-29 | 2019-08-23 | 焦作中海重工机械有限公司 | A kind of pneumatic drum brake |
| CN209943384U (en) * | 2019-04-10 | 2020-01-14 | 江门市珠峰摩托车有限公司 | Single-machine speed reduction power control structure of electric motorcycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967725A (en) * | 2024-04-02 | 2024-05-03 | 泰州市天宇交通器材有限公司 | Brake drum mechanism with anti-lock function |
| CN117967725B (en) * | 2024-04-02 | 2024-06-11 | 泰州市天宇交通器材有限公司 | Brake drum mechanism with anti-lock function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200710 |
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| WW01 | Invention patent application withdrawn after publication |