CN113137439A - Friction brake with shoe block with trapezoidal section - Google Patents

Friction brake with shoe block with trapezoidal section Download PDF

Info

Publication number
CN113137439A
CN113137439A CN202110496751.7A CN202110496751A CN113137439A CN 113137439 A CN113137439 A CN 113137439A CN 202110496751 A CN202110496751 A CN 202110496751A CN 113137439 A CN113137439 A CN 113137439A
Authority
CN
China
Prior art keywords
hoof
shaped blocks
mounting disc
brake
shoe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110496751.7A
Other languages
Chinese (zh)
Inventor
陈曙东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Jinwo Technology Co ltd
Original Assignee
Yangzhou Jinwo Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangzhou Jinwo Technology Co ltd filed Critical Yangzhou Jinwo Technology Co ltd
Priority to CN202110496751.7A priority Critical patent/CN113137439A/en
Publication of CN113137439A publication Critical patent/CN113137439A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F16D51/16—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
    • F16D51/24—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 fluid actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • 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
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
    • F16D65/09—Pivots or supporting members therefor
    • 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
    • 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
    • F16D2121/02—Fluid pressure
    • F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention relates to the technical field of friction brakes and discloses a shoe block friction brake with a trapezoidal section, which comprises a mounting disc, a shoe block, a hydraulic cylinder, a rubber wheel and an arc groove, wherein the mounting disc is provided with a plurality of mounting holes; the brake block is characterized in that the number of the hoof-shaped blocks is two, the two hoof-shaped blocks are symmetrically arranged on two sides of the surface of the mounting disc, the bottoms of the hoof-shaped blocks are arranged on the surface of the mounting disc through rotating shafts, the rotating shafts are arranged on the surface of the mounting disc through screw holes in the surface of the mounting disc, the outer side surfaces of the hoof-shaped blocks are fixedly provided with brake blocks, and hydraulic cylinders are arranged on the surfaces of the mounting disc above the two hoof-shaped blocks. According to the invention, the wheel grooves are formed in the shoe-shaped blocks at two sides, the rubber wheels are arranged in the shoe-shaped blocks, the outer rings of the rubber wheels are wound with the pull ropes through the damping bearings and are connected with the pull rods on the surface of the mounting disc, when the brake is stopped to be stepped on, the rubber wheels rotate along with the brake drum to pull the pull ropes, so that the shoe-shaped blocks are provided with reset pulling force, the working strength of the reset springs is reduced, and the service life of the reset springs is prolonged.

Description

Friction brake with shoe block with trapezoidal section
Technical Field
The invention relates to the technical field of friction brakes, in particular to a shoe friction brake with a trapezoidal section.
Background
At present, small and convenient vehicles such as motorcycles, electric bicycles and bicycles are widely used, safety problems in use of the vehicles are concerned, a brake is one of key components influencing running safety, a friction brake is one of drum brakes, and the drum brakes are applied to the vehicles for a century ago, but are fixed with tires and rotate at the same speed due to the reliability and strong braking force of the drum brakes. During braking, the brake shoe is pushed by hydraulic pressure to contact the inner edge of the brake drum, and the friction force generated by the contact is used to restrain the rotation of the tire so as to achieve the purpose of braking.
The utility model discloses a drum of being convenient for change spring is stopped for CN208669890U discloses, including the brake drum, the front of brake drum is fixedly connected with brake wheel cylinder and regulator respectively, the both ends of brake wheel cylinder and regulator are equallyd divide respectively with the both ends fixed connection of brake shoe, and the back of brake shoe and the front swing joint of brake drum, can realize the convenient change to return spring, but still need pull down the wheel and lead to changing complicacy when changing the spring, return spring still need press back the end that stretches out of pneumatic cylinder when resetting the brake block, can lead to life's shortening more, if can improve return spring's life, then can reduce the change frequency of spring. Therefore, we propose a shoe friction brake with trapezoidal cross section.
Disclosure of Invention
The invention aims to provide a friction brake with shoe blocks with trapezoidal sections, wherein wheel grooves are formed in the shoe blocks on two sides, rubber wheels are arranged in the wheel grooves, the outer rings of the rubber wheels are wound with pull ropes through damping bearings and connected with pull rods on the surface of an installation disc, when the brake is stopped to be stepped on, the rubber wheels rotate along with a brake drum to pull the pull ropes, so that the brake has reset pulling force on the shoe blocks, the working strength of a reset spring is reduced, the service life of the brake is prolonged, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a friction brake with a shoe block with a trapezoidal section comprises a mounting disc, a shoe block, a hydraulic cylinder, a rubber wheel and an arc groove; the two hoof-shaped blocks are symmetrically arranged on two sides of the surface of the mounting disc, the bottoms of the hoof-shaped blocks are arranged on the surface of the mounting disc through rotating shafts, and the rotating shafts are arranged on the surface of the mounting disc through screw holes in the surface of the mounting disc;
the brake pad is fixedly arranged on the surface of the outer side of the hoof-shaped block, a hydraulic cylinder is arranged on the surface of a mounting plate above the hoof-shaped block on two sides, two sides of the hydraulic cylinder are both connected with abutting rods, the abutting rods abut against the side edges above the hoof-shaped block, mounting plates are arranged on the surfaces of two sides above and below the hydraulic cylinder, the hydraulic cylinder is fixed on the surface of the mounting plate through the mounting plates, the mounting plates are mounted on the surface of the mounting plate through bolts, the bolts penetrate through the mounting plates and are screwed into mounting holes in the surface of the mounting plates, arc grooves are formed in the surface of the hoof-shaped block and are arc-shaped, and the input end of the hydraulic cylinder is connected with the hydraulic output end of a brake system;
the rubber wheel is arranged in a wheel groove on the outer surface above the shoe-shaped block, supporting grooves are formed in the shoe-shaped blocks on two sides of the wheel groove, a rotating bearing is slidably arranged above the supporting grooves, the rubber wheel is rotatably connected with the rotating bearing through a rotating rod, a supporting spring is fixedly supported between the lower side of the rotating bearing and the supporting grooves, each rubber wheel is composed of two pieces, a damping bearing is arranged on the outer ring in the middle of the rubber wheel, a pull rope is wound and fixed on the groove body of the outer ring of the damping bearing, the pull rope penetrates through a penetrating groove formed in the surface of the shoe-shaped block to the inner side of the shoe-shaped block, the tail end of the pull rope is wound and fixed on a pull rod fixed on the surface of the mounting disc, and the rubber wheel penetrates to the outside through groove bodies formed in the surfaces of the shoe-shaped block and the brake pad;
hanging holes are formed in the inner side surfaces of the hoof-shaped blocks on the two sides, a return spring is transversely connected above the hoof-shaped blocks on the two sides and connected between the hoof-shaped blocks on the two sides through the hanging holes, and the cross sections of the hoof-shaped blocks are trapezoidal.
In a preferred embodiment of the present invention, a fixing plate is fixed to a lower middle surface of the mounting plate, and a magnet block is fixed to a bottom surface of the fixing plate and located between the two lateral shoe blocks.
As a preferred embodiment of the present invention, a limiting rod is vertically fixed on the surface of the mounting plate inside the arc groove, the limiting rod is located inside the arc groove, a limiting sheet is fixed on the top of the limiting rod, and the diameter of the limiting sheet is greater than the width of the arc groove.
As a preferred embodiment of the present invention, abutting grooves are formed on surfaces of the hoof-shaped blocks on two sides of the hydraulic cylinder, and abutting rods of the hydraulic cylinder abut against the abutting grooves.
In a preferred embodiment of the present invention, a through hole is opened at a central position of the mounting plate, and the through hole communicates with front and rear ends of the mounting plate.
In a preferred embodiment of the present invention, the surface of the mounting plate of the outer ring of the through hole is provided with four through holes, and the four through holes are uniformly distributed.
In a preferred embodiment of the present invention, the arc groove is a part of a circle having the rotation shaft as a center, and the stopper piece is fixed to the top surface of the stopper rod by welding.
In a preferred embodiment of the present invention, the fixing plate is fixed to the surface of the mounting plate by welding, and the magnet block is fixed to the surface of the fixing plate by bonding.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the friction brake with the shoe blocks with the trapezoidal sections, the wheel grooves are formed in the shoe blocks on the two sides, the rubber wheels are installed in the wheel grooves, the outer rings of the rubber wheels are wound with the pull ropes through the damping bearings and connected with the pull rods on the surface of the installation disc, when the brake is stopped to be stepped on, the rubber wheels rotate along with the brake drum to pull the pull ropes, reset pulling force is provided for the shoe blocks, the working strength of the reset springs is reduced, and the service life of the reset springs is prolonged.
2. According to the friction brake with the shoe blocks with the trapezoidal sections, the fixed plate is fixed on the surface of the middle part below the mounting disc, the magnet blocks are fixed on the surface of the bottom of the fixed plate and located between the shoe blocks on the two sides, and when the brake pad and the brake drum are acted for braking, metal impurities such as scrap iron and the like generated by abrasion can be adsorbed on the surface of the brake drum or the surface of the brake pad by the magnet blocks, so that the brake drum or the surface of the brake pad is prevented from being abraded greatly during working.
3. According to the friction brake with the trapezoidal-section shoe, the limiting rod is vertically fixed on the surface of the mounting disc on the inner side of the arc groove and is positioned inside the arc groove, the limiting piece is fixed on the top of the limiting rod, the diameter of the limiting piece is larger than the width of the arc groove, when the shoe is opened outwards or retracted, the limiting rod slides in the arc groove, and the shoe has a limiting and stabilizing effect on the movement of the shoe.
4. According to the friction brake with the shoe blocks with the trapezoidal sections, the abutting grooves are formed in the surfaces of the shoe blocks on the two sides of the hydraulic cylinder, the abutting rods of the hydraulic cylinder abut against the abutting grooves, the abutting rods at the two ends of the hydraulic cylinder extend out of the abutting shoe blocks to support the shoe blocks in the abutting grooves, and therefore the shoe blocks are supported by a more stable supporting effect.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall structure of a trapezoidal section shoe friction brake of the present invention;
FIG. 2 is a schematic view of a shoe structure of a trapezoidal section shoe friction brake of the present invention;
FIG. 3 is a schematic view of a rubber wheel mounting structure of the trapezoidal section shoe friction brake of the present invention;
FIG. 4 is a schematic structural view of a mounting plate of the trapezoidal section shoe friction brake of the present invention;
fig. 5 is a schematic cross-sectional view of a shoe of the trapezoidal-section shoe friction brake of the present invention.
In the figure: 1. mounting a disc; 2. a hoof-shaped block; 3. a hydraulic cylinder; 4. a rubber wheel; 5. an arc groove; 6. a limiting rod; 7. a limiting sheet; 8. a brake pad; 9. pulling a rope; 10. a pull rod; 11. hanging holes; 12. a butting groove; 13. a support rod; 14. a bolt; 15. mounting a plate; 16. a return spring; 17. a through hole; 18. a port; 19. a fixing plate; 20. a magnet block; 21. a rotating shaft; 22. a damping bearing; 23. a through groove; 24. a rotating rod; 25. a support spring; 26. a support groove; 27. a rotating bearing; 28. a wheel groove; 29. a screw hole; 30. and (7) installing holes.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-5, the present invention provides a technical solution: a friction brake with a shoe block with a trapezoidal section comprises a mounting disc 1, a shoe block 2, a hydraulic cylinder 3, a rubber wheel 4 and an arc groove 5; the number of the hoof-shaped blocks 2 is two, the two hoof-shaped blocks 2 are symmetrically arranged on two sides of the surface of the mounting disc 1, the bottoms of the hoof-shaped blocks 2 are arranged on the surface of the mounting disc 1 through rotating shafts 21, and the rotating shafts 21 are arranged on the surface of the mounting disc 1 through screw holes 29 in the surface of the mounting disc 1;
the brake pad 8 is fixedly arranged on the outer side surface of each hoof-shaped block 2, a hydraulic cylinder 3 is arranged on the surface of the mounting plate 1 above the hoof-shaped blocks 2 on two sides, two sides of each hydraulic cylinder 3 are connected with abutting rods 13, the abutting rods 13 abut against the side edges above the hoof-shaped blocks 2, mounting plates 15 are arranged on the surfaces of two sides above and below the hydraulic cylinders 3, the hydraulic cylinders 3 are fixed on the surface of the mounting plate 1 through the mounting plates 15, the mounting plates 15 are mounted on the surface of the mounting plate 1 through bolts 14, the bolts 14 penetrate through the mounting plates 15 and are screwed into mounting holes 30 in the surface of the mounting plates 15, arc grooves 5 are formed in the surface of the hoof-shaped blocks 2 and are arc-shaped, and the input ends of the hydraulic cylinders 3 are connected with the hydraulic output ends of a brake system;
the rubber wheel 4 is arranged in a wheel groove 28 on the outer surface above the hoof-shaped block 2, supporting grooves 26 are formed in the hoof-shaped blocks 2 on two sides of the wheel groove 28, a rotating bearing 27 is slidably arranged above the supporting groove 26, the rubber wheel 4 is rotatably connected with the rotating bearing 27 through a rotating rod 24, a supporting spring 25 is fixedly supported between the lower portion of the rotating bearing 27 and the supporting groove 26, each rubber wheel 4 is composed of two pieces, a damping bearing 22 is arranged on the outer ring in the middle of the rubber wheel 4, a pull rope 9 is fixedly wound on the groove body of the outer ring of the damping bearing 22, the pull rope 9 penetrates through a penetrating groove 23 formed in the surface of the hoof-shaped block 2 to the inner side of the hoof-shaped block 2, the tail end of the pull rope 9 is fixedly wound on a pull rod 10 fixed on the surface of the mounting disc 1, and the rubber wheel 4 penetrates to the outside through groove bodies formed in the surfaces of the hoof-shaped block 2 and the brake pad 8;
hanging holes 11 are formed in the inner side surfaces of the hoof-shaped blocks 2 on the two sides, a return spring 16 is transversely connected above the hoof-shaped blocks 2 on the two sides, the return spring 16 is connected between the hoof-shaped blocks 2 on the two sides through the hanging holes 11, and the cross sections of the hoof-shaped blocks 2 are trapezoidal.
In the invention, the mounting disc 1 is arranged at the appointed position of the frame, then the brake drum can be simultaneously mounted and fixed, the shoe-shaped block 2 is positioned at the inner side of the brake drum, when the vehicle brake is stepped, the abutting rods 13 at the two sides of the hydraulic cylinder 3 are abutted outwards, so that the abutting shoe-shaped block 2 is spread outwards, the brake pad 8 on the surface of the shoe-shaped block 2 is contacted with the inner surface of the brake drum, the purpose of braking is realized, the rubber wheel 4 is simultaneously contacted with the inner surface of the brake drum when the brake pad 8 is contacted with the brake drum, and the rubber wheel 4 can be retracted into the wheel groove 28 under the action of the supporting spring 25, the friction effect of the brake pad 8 on the brake drum can be ensured, meanwhile, the rubber wheel 4 is contacted with the inner surface of the brake drum, in the braking process, because the damping bearing 22 can still rotate under the action of large rotating force, the rubber wheel 4 can also rotate along with the brake drum with large resistance until the brake drum is stopped, when the brake is stopped to be stepped on, the hydraulic system does not convey pressure to the hydraulic cylinder 3 any more, at the moment, the brake pad 8 and the rubber wheel 4 are still attached to the surface of the brake drum, the resistance of the brake pad 8 to the brake pad is reduced when the brake drum rotates, the damping bearing 22 rotates along with the rotation of the rubber wheel 4, the trend of pulling the pull rope 9 exists, then the shoe-shaped block 2 is pulled inwards under the action of the reaction force of the pull rope 9, the function of the reset spring 16 is matched, the shoe-shaped block 2 can be reset to the original position quickly, the support rod 13 is pressed back into the hydraulic cylinder 3, the abrasion of the reset spring 16 is reduced to a certain extent, and the service life of the hydraulic system is prolonged.
In an alternative embodiment, a fixing plate 19 is fixed on the lower middle surface of the mounting plate 1, a magnet block 20 is fixed on the bottom surface of the fixing plate 19, and the magnet block 20 is located between the two side shoe blocks 2, in this embodiment (see fig. 1 and 4), by fixing the fixing plate 19 on the lower middle surface of the mounting plate 1, the magnet block 20 is fixed on the bottom surface of the fixing plate 19, and the magnet block 20 is located between the two side shoe blocks 2, when the brake pad 8 acts on the brake drum to brake, metal impurities such as iron filings generated by abrasion can be adsorbed on the surface of the brake pad 8 by the magnet block 20, thereby avoiding generating more abrasion on the surface of the brake drum or the brake pad 8 during operation.
In an optional embodiment, a limiting rod 6 is vertically fixed on the surface of the mounting disc 1 inside the arc groove 5, the limiting rod 6 is located inside the arc groove 5, a limiting plate 7 is fixed on the top of the limiting rod 6, and the diameter of the limiting plate 7 is greater than the width of the arc groove 5, in this embodiment (see fig. 1), the limiting rod 6 is vertically fixed on the surface of the mounting disc 1 inside the arc groove 5, the limiting rod 6 is located inside the arc groove 5, the limiting plate 7 is fixed on the top of the limiting rod 6, and the diameter of the limiting plate 7 is greater than the width of the arc groove 5, when the shoe-shaped block 2 is opened outwards or retracted outwards, the limiting rod 6 slides in the arc groove 5, and has a limiting and stabilizing effect on the movement of the shoe-shaped block 2.
In an alternative embodiment, the surfaces of the shoe blocks 2 on both sides of the hydraulic cylinder 3 are provided with abutting grooves 12, and the abutting rods 13 of the hydraulic cylinder 3 abut against the abutting grooves 12, in this embodiment (see fig. 1 and 2), the abutting grooves 12 are provided on the surfaces of the shoe blocks 2 on both sides of the hydraulic cylinder 3, and the abutting rods 13 of the hydraulic cylinder 3 abut against the abutting grooves 12, and the abutting rods 13 at both ends of the hydraulic cylinder 3 extend out of the abutting shoe blocks 2 to support the abutting grooves 12, which all have a more stable supporting effect.
In an alternative embodiment, a through hole 18 is formed in the center of the mounting plate 1, and the through hole 18 communicates with the front end and the rear end of the mounting plate 1, in this embodiment (see fig. 1 and 4), the through hole 18 can allow a transmission shaft of a vehicle to penetrate through to mount a hub.
In an alternative embodiment, the surface of the mounting plate 1 at the outer ring of the through hole 18 is provided with four through holes 17, and the four through holes 17 are uniformly distributed, in this embodiment (see fig. 1 and 4), the mounting plate 1 can be mounted at the vehicle transmission system by using fastening bolts through the through holes 17.
In an alternative embodiment, the arc groove 5 is a part of a circle with the rotating shaft 21 as a center, the limiting sheet 7 is fixed on the top surface of the limiting rod 6 by welding, and in this embodiment (see fig. 1), the limiting sheet 7 is stably fixed by welding.
In an alternative embodiment, the fixing plate 19 is fixed on the surface of the mounting plate 1 by welding, and the magnet block 20 is fixed on the surface of the fixing plate 19 by adhering, in this embodiment (see fig. 1 and 4), the fixing plate 19 is stably fixed on the surface of the mounting plate 1 by welding, and when the magnet block 20 absorbs more iron chips, the magnet block can be cleaned.
It should be noted that the invention is a friction brake with a shoe block having a trapezoidal cross section, which includes a mounting plate 1, a shoe block 2, a hydraulic cylinder 3, a rubber wheel 4, an arc groove 5, a limiting rod 6, a limiting plate 7, a brake pad 8, a pull rope 9, a pull rod 10, a hanging hole 11, a resisting groove 12, a resisting rod 13, a bolt 14, a mounting plate 15, a return spring 16, a through hole 17, a through hole 18, a fixing plate 19, a magnet block 20, a rotating shaft 21, a damping bearing 22, a through groove 23, a rotating rod 24, a supporting spring 25, a supporting groove 26, a rotating bearing 27, a wheel groove 28, a screw hole 29 and a mounting hole 30, and all of the components are general standard components or components known to those skilled in the art, and the structure and principle of the brake can be known to those skilled in the art through technical manuals or through conventional experimental methods.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A friction brake with a shoe block with a trapezoidal section is characterized by comprising a mounting disc (1), a shoe block (2), a hydraulic cylinder (3), a rubber wheel (4) and an arc groove (5); the two hoof-shaped blocks (2) are symmetrically arranged on two sides of the surface of the mounting disc (1), the bottoms of the hoof-shaped blocks (2) are arranged on the surface of the mounting disc (1) through rotating shafts (21), and the rotating shafts (21) are arranged on the surface of the mounting disc (1) through screw holes (29) in the surface of the mounting disc (1);
the outer side surfaces of the hoof-shaped blocks (2) are fixedly provided with brake pads (8), the surface of the mounting plate (1) above the hoof-shaped blocks (2) at two sides is provided with a hydraulic cylinder (3), two sides of the hydraulic cylinder (3) are both connected with abutting rods (13), the abutting rods (13) abut against the side edges above the hoof-shaped blocks (2), mounting plates (15) are respectively arranged on the two side surfaces above and below the hydraulic cylinder (3), the hydraulic cylinder (3) is fixed on the surface of the mounting plate (1) through the mounting plates (15), and the mounting plate (15) is mounted on the surface of the mounting plate (1) through a bolt (14), the bolt (14) penetrates through the mounting plate (15) and then is screwed into a mounting hole (30) on the surface of the mounting plate (15), the arc groove (5) is arranged on the surface of the hoof block (2), the arc groove (5) is arc-shaped, and the input end of the hydraulic cylinder (3) is connected with the hydraulic output end of the brake system;
the rubber wheel (4) is arranged in a wheel groove (28) on the outer surface above the hoof-shaped block (2), supporting grooves (26) are arranged in the hoof-shaped block (2) on two sides of the wheel groove (28), a rotating bearing (27) is slidably arranged above the supporting grooves (26), the rubber wheel (4) is rotatably connected with the rotating bearing (27) through a rotating rod (24), a supporting spring (25) is fixedly supported between the lower part of the rotating bearing (27) and the supporting grooves (26), each rubber wheel (4) is composed of two pieces, a damping bearing (22) is arranged on the outer ring in the middle of the rubber wheel (4), a pull rope (9) is fixedly wound on the groove body of the outer ring of the damping bearing (22), the pull rope (9) penetrates through a penetrating groove (23) formed in the surface of the hoof-shaped block (2) to the inner side of the hoof-shaped block (2), and the tail end of the pull rope (9) is wound and fixed on a pull rod (10) fixed on the surface of the mounting disc (1), the rubber wheel (4) penetrates to the outside through groove bodies arranged on the surfaces of the hoof-shaped block (2) and the brake pad (8);
hanging holes (11) are formed in the inner side surfaces of the hoof-shaped blocks (2) on the two sides, a return spring (16) is transversely connected above the hoof-shaped blocks (2) on the two sides, the return spring (16) is connected between the hoof-shaped blocks (2) on the two sides through the hanging holes (11), and the cross sections of the hoof-shaped blocks (2) are trapezoidal.
2. A trapezoidal cross section shoe friction brake as claimed in claim 1 wherein: a fixing plate (19) is fixed on the surface of the middle part below the mounting plate (1), a magnet block (20) is fixed on the surface of the bottom of the fixing plate (19), and the magnet block (20) is located between the hoof-shaped blocks (2) on the two sides.
3. A trapezoidal cross section shoe friction brake as claimed in claim 1 wherein: the surface of the mounting disc (1) on the inner side of the arc groove (5) is vertically fixed with a limiting rod (6), the limiting rod (6) is located inside the arc groove (5), a limiting sheet (7) is fixed at the top of the limiting rod (6), and the diameter of the limiting sheet (7) is larger than the width of the arc groove (5).
4. A trapezoidal cross section shoe friction brake as claimed in claim 1 wherein: the surfaces of the hoof-shaped blocks (2) on the two sides of the hydraulic cylinder (3) are respectively provided with a resisting groove (12), and a resisting rod (13) of the hydraulic cylinder (3) is propped in the resisting groove (12).
5. A trapezoidal cross section shoe friction brake as claimed in claim 1 wherein: the central position of mounting disc (1) has seted up through-hole (18), and through-hole (18) intercommunication mounting disc (1) front and back end.
6. A trapezoidal cross section shoe friction brake as claimed in claim 5 wherein: through-hole (17) have been seted up on mounting disc (1) surface of opening (18) outer lane, through-hole (17) are four, and four through-hole (17) evenly distributed.
7. A trapezoidal cross section shoe friction brake as claimed in claim 3 wherein: the arc groove (5) takes the rotating shaft (21) as a part of a central circle, and the limiting sheet (7) is fixed on the top surface of the limiting rod (6) through welding.
8. A trapezoidal cross section shoe friction brake as claimed in claim 2 wherein: the fixing plate (19) is fixed on the surface of the mounting plate (1) in a welding mode, and the magnet block (20) is fixed on the surface of the fixing plate (19) in a bonding mode.
CN202110496751.7A 2021-05-07 2021-05-07 Friction brake with shoe block with trapezoidal section Withdrawn CN113137439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110496751.7A CN113137439A (en) 2021-05-07 2021-05-07 Friction brake with shoe block with trapezoidal section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110496751.7A CN113137439A (en) 2021-05-07 2021-05-07 Friction brake with shoe block with trapezoidal section

Publications (1)

Publication Number Publication Date
CN113137439A true CN113137439A (en) 2021-07-20

Family

ID=76817821

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110496751.7A Withdrawn CN113137439A (en) 2021-05-07 2021-05-07 Friction brake with shoe block with trapezoidal section

Country Status (1)

Country Link
CN (1) CN113137439A (en)

Similar Documents

Publication Publication Date Title
JP6046450B2 (en) Aluminum steering knuckle
US10828933B2 (en) Combined wheel
CN201350896Y (en) Braking device of automotive truck front axle
CN103016578A (en) Brake plate for railway vehicle and railway vehicle
CN112696441A (en) Brake disc with good braking effect
US10953687B2 (en) Combined wheel
CN113137439A (en) Friction brake with shoe block with trapezoidal section
CN201095358Y (en) Disconnecting wheel edge deceleration driving axle assembling disc type brake
CN108515812B (en) Semi-axis structure of electronic commodity circulation car rear axle disc braking
CN202498966U (en) Disc brake hub applied in electric bicycle
CN213360906U (en) Brake device for brake disc of automobile hub
CN101788027A (en) Disc brake of automobile
CN201287805Y (en) Belt bearing support bracket servant brake special for tricycle
CN205918795U (en) Road transport heavy truck and front brake thereof
CN103640559A (en) Single-tire hydraulic disc front axle
CN210082820U (en) Front axle of light tractor
CN215097515U (en) Braking device of automatic driving sweeper
CN211715583U (en) Aluminum alloy disc brake wheel for electric power-assisted vehicle
JP2001280377A (en) Caliper body mounting structure of disc brake for vehicle
CN215553892U (en) Brake device of three-wheeled electric vehicle
CN201816572U (en) Heavy vehicle front axle
CN214001196U (en) Maintenance-free aluminum alloy hub
CN215033055U (en) Automobile brake drum processing loading attachment
CN210106453U (en) Automobile front brake
CN212373345U (en) Disc brake bent axle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210720