CN114754090A - Linkage external expansion type drum brake assembly - Google Patents

Linkage external expansion type drum brake assembly Download PDF

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Publication number
CN114754090A
CN114754090A CN202210316098.6A CN202210316098A CN114754090A CN 114754090 A CN114754090 A CN 114754090A CN 202210316098 A CN202210316098 A CN 202210316098A CN 114754090 A CN114754090 A CN 114754090A
Authority
CN
China
Prior art keywords
brake
mounting plate
rod
brake shoe
spring
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Withdrawn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
CN202210316098.6A
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 CN202210316098.6A priority Critical patent/CN114754090A/en
Publication of CN114754090A publication Critical patent/CN114754090A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F16D51/16—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
    • 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
    • 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
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/10—Drums for externally- or internally-engaging brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/02—Fluid-pressure mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/70—Rods

Abstract

The invention relates to the technical field of brakes, in particular to a linkage external expansion type drum brake assembly which solves the defect of inconvenient control of a brake and comprises a brake wheel, wherein a mounting plate is contacted in the brake wheel, a clamping rod is clamped in the mounting plate, a sliding ring is hinged on a connecting rod, a screw cylinder is mounted on the brake wheel and is in sliding connection with the sliding ring, a spiral ring is connected on the screw cylinder through threads and is contacted with the sliding ring, and an air cylinder is mounted on the mounting plate. According to the invention, the cylinder rod, the brake shoe, the convex block, the supporting plate, the supporting rod, the stop block, the spring, the steel ball and the like are arranged, the cylinder drives the brake shoe to move, so that the brake shoe is in contact with the brake wheel, the brake wheel is braked, the steel ball slides in the guide groove, the spring is compressed, and after the cylinder rod retracts, the brake shoe is reset through the reset of the spring, so that the control of the brake shoe is more convenient.

Description

Linkage external expansion type drum brake assembly
Technical Field
The invention relates to the technical field of brakes, in particular to a linkage external expansion type drum brake assembly.
Background
The brake is commonly called as brake, and is divided into an external expansion type, an internal holding type, a butterfly type and the like on the working principle, a brake system is divided into an air pressure type, a hydraulic pressure type, a mechanical type and the like, the brake is mainly applied to a vehicle and is a safety device, and the vehicle is decelerated and stopped by the brake during running and is an essential part for manufacturing and using the vehicle. At present, when an automobile is manufactured, an external expansion type drum brake and a butterfly brake are mainly configured, wherein the external expansion type drum brake is mainly applied to various load-carrying vehicles and various small-sized vehicles, the drum brake is also called a block brake, the brake is realized by pressing a brake block on a brake wheel, the main stream of the drum brake is an internal expansion type, a brake block (brake shoe) of the drum brake is positioned at the inner side of the brake wheel, and the brake block is outwards expanded to rub the inner side of the brake wheel during the braking, so that the purpose of braking is achieved. In the prior art, when the linkage external expansion type drum brake assembly is used, the brake is inconvenient to control. Therefore, improvements in the prior art are needed.
Disclosure of Invention
The invention aims to solve the defect that the brake is inconvenient to control, and provides a linkage outward-expanding type drum brake assembly.
In order to achieve the purpose, the invention adopts the following technical scheme:
a linkage external expansion type drum brake assembly comprises a brake wheel, wherein a mounting plate is contacted in the brake wheel, a clamping rod is clamped in the mounting plate, a sliding ring is hinged on the connecting rod, a screw cylinder is mounted on the brake wheel, the screw cylinder is connected with the slip ring in a sliding way, the screw cylinder is connected with a spiral ring through threads, the spiral ring is contacted with the slip ring, the mounting plate is provided with an air cylinder, an air cylinder rod of the air cylinder is contacted with a brake shoe, a rotating pin on the brake shoe is rotatably connected with the mounting plate, the mounting plate is provided with two support plates which are symmetrically distributed on the mounting plate, the brake shoe is characterized in that a support rod is connected in the support plate in a sliding mode, a stop block is installed on the support rod, a spring is arranged on the outer side of the support rod, a steel ball is installed on the support rod, and the steel ball is connected with the brake shoe in a sliding mode. When the mounting plate is mounted, the mounting plate is contacted with the brake wheel, then the spiral ring is rotated, the spiral ring rotates and the screw cylinder makes a threaded motion, so that the spiral ring moves in a direction away from the brake wheel, and further the slip ring moves to drive the connecting rod to move, the connecting rod drives the clamping rod to move, the clamping rod moves to slide in the brake wheel, and further the clamping rod is clamped and connected into the mounting plate, so that the mounting plate is fixed, when the mounting plate is dismounted, the spiral ring is reversed, the spiral ring rotates and the screw cylinder makes a threaded motion, so that the spiral ring moves in a direction away from the brake wheel, and further the slip ring can move on the screw cylinder in the direction of the brake wheel, the slip ring moves to drive the connecting rod to move, the connecting rod drives the clamping rod to move, the clamping rod moves to slide in the brake wheel, so that the clamping rod is separated from the mounting plate, and the mounting plate can be separated from the brake wheel, and further the mounting plate and the brake wheel are convenient to fix and dismount, when the brake shoe is used, the air cylinder drives the air cylinder rod to extend, the air cylinder rod extends to drive the brake shoe to move, the brake shoe is contacted with the brake wheel to brake the brake wheel, the steel ball slides in the guide groove in the process, the support rod moves to drive the stop block to move, the stop block moves to enable the spring to be compressed, after the air cylinder rod retracts, the brake shoe is reset through the spring, and the brake shoe is controlled more conveniently.
Preferably, the brake wheel is provided with a sliding groove, and a clamping rod is connected in the sliding groove in a sliding manner. Through setting up the spout, make the kelly can pass the braked wheel.
Preferably, the outer side of the clamping rod is fixedly sleeved with a baffle, and the clamping rod is hinged with a connecting rod. Through setting up the baffle, carry on spacingly to the kelly.
Preferably, a lug is mounted on the brake shoe and is in contact with the mounting plate. By providing the projection, the friction between the brake shoe and the mounting plate is reduced.
Preferably, one end of the spring is mounted with the support plate, and the other end of the spring is mounted with the stopper. Through setting up the spring for the brake shoe is convenient for reset.
Preferably, the brake shoe is provided with a guide groove, and the guide groove is connected with a steel ball in a sliding manner. The guide slot position is semicircular, and the steel ball is limited by the guide slot.
The invention has the beneficial effects that: this linkage formula drum brake assembly that rises outward is through setting up cylinder, cylinder pole, brake shoe, lug, backup pad, bracing piece, dog, spring, steel ball isotructure, and it removes to drive the brake shoe through the cylinder for brake shoe and braked wheel contact brake the braked wheel, make the steel ball slide in the guide slot, and then make the spring compressed, return back at the cylinder pole, make the brake shoe reset through the spring resets, make the control of brake shoe more convenient.
Drawings
FIG. 1 is a perspective view of the overall structure of a linked drum brake assembly according to the present invention;
FIG. 2 is an elevational cross-sectional view of the linkage drum brake assembly of the present invention as shown in FIG. 1;
FIG. 3 is an enlarged view at A of FIG. 2 of a linked drum brake assembly according to the present invention;
FIG. 4 is a top view of FIG. 2 of a linked drum brake assembly according to the present invention.
In the figure: 1. a brake wheel; 2. mounting a plate; 3. a clamping rod; 4. a chute; 5. a baffle plate; 6. a connecting rod; 7. a slip ring; 8. a screw cylinder; 9. a spiro ring; 10. a cylinder; 11. a cylinder rod; 12. a brake shoe; 13. a bump; 14. a support plate; 15. a support bar; 16. a stopper; 17. a spring; 18. steel balls; 19. and a guide groove.
Detailed Description
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-4, a linkage external expansion type drum brake assembly comprises a brake wheel 1, a mounting plate 2 is in contact with the inside of the brake wheel 1, a clamping rod 3 is connected with the inside of the mounting plate 2 in a clamping manner, a sliding groove 4 is formed in the brake wheel 1, the clamping rod 3 is connected with the sliding groove 4 in a sliding manner, the clamping rod 3 can penetrate through the brake wheel 1 by arranging the sliding groove 4, a baffle 5 is fixedly connected with the outside of the clamping rod 3 in a sleeved manner, a connecting rod 6 is hinged on the clamping rod 3, the clamping rod 3 is limited by arranging the baffle 5, a sliding ring 7 is hinged on the connecting rod 6, a screw cylinder 8 is arranged on the brake wheel 1, the screw cylinder 8 is connected with the sliding ring 7 in a sliding manner, a spiral ring 9 is connected on the screw cylinder 8 through threads, and the spiral ring 9 is in contact with the sliding ring 7. When the brake wheel is installed, the installation plate 2 is contacted with the brake wheel 1, then the spiral ring 9 is rotated, the spiral ring 9 rotates and the screw cylinder 8 performs threaded motion, further the spiral ring 9 moves towards the direction away from the brake wheel 1, further the slide ring 7 moves, the slide ring 7 moves to drive the connecting rod 6 to move, the connecting rod 6 drives the clamping rod 3 to move, the clamping rod 3 moves to slide in the brake wheel 1, further the clamping rod 3 is clamped and enters the installation plate 2, the installation plate 2 is fixed, when the installation plate 2 is disassembled, the spiral ring 9 is reversed, the spiral ring 9 rotates and the screw cylinder 8 performs threaded motion, further the spiral ring 9 moves towards the direction away from the brake wheel 1, further the slide ring 7 can move towards the brake wheel 1 on the screw cylinder 8, the slide ring 7 moves to drive the connecting rod 6 to move, the connecting rod 6 drives the clamping rod 3 to move, the clamping rod 3 moves to slide in the brake wheel 1, further the clamping rod 3 is separated from the installation plate 2, so that the mounting plate 2 can be separated from the brake wheel 1, thereby facilitating the fixing and the dismounting between the mounting plate 2 and the brake wheel 1.
In this embodiment, an air cylinder 10 is installed on an installation plate 2, a brake shoe 12 is contacted with an air cylinder rod 11 of the air cylinder 10, a rotating pin on the brake shoe 12 is rotatably connected with the installation plate 2, a protruding block 13 is installed on the brake shoe 12, the protruding block 13 is contacted with the installation plate 2, friction force between the brake shoe 12 and the installation plate 2 is reduced by arranging the protruding block 13, a support plate 14 is installed on the installation plate 2, the two support plates 14 are symmetrically distributed on the installation plate 2, a support rod 15 is connected in the support plate 14 in a sliding mode, and a stop block 16 is installed on the support rod 15. When the brake shoe is used, the air cylinder 10 drives the air cylinder rod 11 to extend, the air cylinder rod 11 extends to drive the brake shoe 12 to move, the brake shoe 12 is in contact with the brake wheel 1 to brake the brake wheel 1, the steel balls 18 slide in the guide grooves 19 in the process, the supporting rod 15 moves to drive the stop block 16 to move, the stop block 16 moves to further compress the spring 17, after the air cylinder rod 11 retracts, the brake shoe 12 resets through the spring 17, and the brake shoe 12 is controlled more conveniently.
In this embodiment, a spring 17 is arranged on the outer side of the supporting rod 15, one end of the spring 17 is installed on the supporting plate 14, the other end of the spring 17 is installed on the stopper 16, the spring 17 is arranged to enable the brake shoe 12 to be convenient to reset, a steel ball 18 is installed on the supporting rod 15, the steel ball 18 is connected with the brake shoe 12 in a sliding mode, a guide groove 19 is formed in the brake shoe 12, the steel ball 18 is connected in the guide groove 19 in a sliding mode, the guide groove is 19-bit semicircular, and the steel ball 18 is limited by the guide groove 19.
The specific implementation process is as follows: when the brake wheel is installed, the installation plate 2 is contacted with the brake wheel 1, then the spiral ring 9 is rotated, the spiral ring 9 rotates and the screw cylinder 8 performs threaded motion, further the spiral ring 9 moves towards the direction away from the brake wheel 1, further the slide ring 7 moves, the slide ring 7 moves to drive the connecting rod 6 to move, the connecting rod 6 drives the clamping rod 3 to move, the clamping rod 3 moves to slide in the brake wheel 1, further the clamping rod 3 is clamped and enters the installation plate 2, the installation plate 2 is fixed, when the installation plate 2 is disassembled, the spiral ring 9 is reversed, the spiral ring 9 rotates and the screw cylinder 8 performs threaded motion, further the spiral ring 9 moves towards the direction away from the brake wheel 1, further the slide ring 7 can move towards the brake wheel 1 on the screw cylinder 8, the slide ring 7 moves to drive the connecting rod 6 to move, the connecting rod 6 drives the clamping rod 3 to move, the clamping rod 3 moves to slide in the brake wheel 1, further the clamping rod 3 is separated from the installation plate 2, when the brake shoe fixing device is used, the air cylinder 10 drives the air cylinder rod 11 to extend, the air cylinder rod 11 extends to drive the brake shoe 12 to move, the brake shoe 12 is in contact with the brake wheel 1 to brake the brake wheel 1, the steel balls 18 slide in the guide grooves 19 in the process, the supporting rod 15 moves to drive the stop block 16 to move, the stop block 16 moves to further compress the spring 17, and after the air cylinder rod 11 retracts, the spring 17 resets to reset the brake shoe 12, so that the brake shoe 12 is more conveniently controlled;
According to the linkage outward-expanding type drum brake assembly, the cylinder 10, the cylinder rod 11, the brake shoe 12, the convex block 13, the supporting plate 14, the supporting rod 15, the stop block 16, the spring 17, the steel balls 18 and the like are arranged, the cylinder 10 drives the brake shoe 12 to move, so that the brake shoe 12 is in contact with the brake wheel 1, the brake wheel 1 is braked, the steel balls 18 slide in the guide groove 19, the spring 17 is compressed, and after the cylinder 11 rod retracts, the spring 17 resets to reset the brake shoe 12, so that the control of the brake shoe 12 is more convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (6)

1. A linkage external expansion type drum brake assembly comprises a brake wheel (1) and is characterized in that a mounting plate (2) is contacted in the brake wheel (1), a clamping rod (3) is connected in the mounting plate (2) in a clamping manner, a connecting rod (6) is hinged with a slip ring (7), a screw cylinder (8) is mounted on the brake wheel (1), the screw cylinder (8) is connected with the slip ring (7) in a sliding manner, a spiral ring (9) is connected on the screw cylinder (8) through threads, the spiral ring (9) is contacted with the slip ring (7), an air cylinder (10) is mounted on the mounting plate (2), a brake shoe (12) is contacted on an air cylinder rod (11) of the air cylinder (10), a rotating pin on the brake shoe (12) is rotatably connected with the mounting plate (2), a support plate (14) is mounted on the mounting plate (2), and two support plates (14) are provided, two backup pad (14) symmetric distribution is on mounting panel (2), sliding connection has bracing piece (15) in backup pad (14), install dog (16) on bracing piece (15), the outside of bracing piece (15) is provided with spring (17), install steel ball (18) on bracing piece (15), steel ball (18) and brake shoe (12) sliding connection.
2. A linked drum brake assembly according to claim 1, wherein said brake drum (1) is provided with a sliding slot (4), and said sliding slot (4) is slidably connected with a clamping rod (3).
3. A linked drum brake assembly according to claim 1, wherein a baffle (5) is fixedly sleeved on the outside of the clamping rod (3), and the clamping rod (3) is hinged with a connecting rod (6).
4. A linked drum brake assembly according to claim 1, wherein said brake shoe (12) has a projection (13) mounted thereon, said projection (13) being in contact with said mounting plate (2).
5. A linked drum brake assembly according to claim 1, wherein one end of said spring (17) is mounted to said backing plate (14) and the other end of said spring (17) is mounted to said stop (16).
6. A linked drum brake assembly according to claim 1, wherein said brake shoe (12) is provided with a guide groove (19), said guide groove (19) being slidably connected with a steel ball (18).
CN202210316098.6A 2022-03-28 2022-03-28 Linkage external expansion type drum brake assembly Withdrawn CN114754090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210316098.6A CN114754090A (en) 2022-03-28 2022-03-28 Linkage external expansion type drum brake assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210316098.6A CN114754090A (en) 2022-03-28 2022-03-28 Linkage external expansion type drum brake assembly

Publications (1)

Publication Number Publication Date
CN114754090A true CN114754090A (en) 2022-07-15

Family

ID=82327914

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210316098.6A Withdrawn CN114754090A (en) 2022-03-28 2022-03-28 Linkage external expansion type drum brake assembly

Country Status (1)

Country Link
CN (1) CN114754090A (en)

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Application publication date: 20220715

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