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WO2019131153A1 - Dispositif de frein - Google Patents

Dispositif de frein Download PDF

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Publication number
WO2019131153A1
WO2019131153A1 PCT/JP2018/045785 JP2018045785W WO2019131153A1 WO 2019131153 A1 WO2019131153 A1 WO 2019131153A1 JP 2018045785 W JP2018045785 W JP 2018045785W WO 2019131153 A1 WO2019131153 A1 WO 2019131153A1
Authority
WO
WIPO (PCT)
Prior art keywords
braking
cable
rotation
brake device
motor
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.)
Ceased
Application number
PCT/JP2018/045785
Other languages
English (en)
Japanese (ja)
Inventor
陽成 佐々木
山田　仁
卓也 稲葉
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.)
Advics Co Ltd
Original Assignee
Advics 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 Advics Co Ltd filed Critical Advics Co Ltd
Priority to CN201880074407.5A priority Critical patent/CN111356857B/zh
Priority to DE112018006711.4T priority patent/DE112018006711T5/de
Publication of WO2019131153A1 publication Critical patent/WO2019131153A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/741—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
    • F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
    • F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
    • F16D51/22—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—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
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/18—Electric or magnetic
    • F16D2121/24—Electric or magnetic using motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
    • F16D2125/40—Screw-and-nut
    • 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
    • F16D2125/44—Mechanical mechanisms transmitting rotation
    • F16D2125/46—Rotating members in mutual engagement
    • F16D2125/48—Rotating members in mutual engagement with parallel stationary axes, e.g. spur gears
    • 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
    • F16D2125/60—Cables or chains, e.g. Bowden cables

Definitions

  • the rotary member is attached to the backing plate in a state of projecting from the surface opposite to the braking member, and the rotary member is rotationally driven through a ring gear provided on the outer periphery of the rotary member and rotating in conjunction with the output shaft Be done.
  • the entire length of the electric actuator is likely to be shorter. Therefore, according to the above configuration, for example, in the brake device attached to the backing plate in a state where the electric actuator protrudes from the surface of the backing plate opposite to the braking member, the miniaturization of the electric actuator as described above The advantage is obtained that it is easy to secure the space, and that the durability can be improved.
  • FIG. 1 is an exemplary and schematic rear view from the rear of the vehicle of the brake device of the embodiment.
  • FIG. 2 is an exemplary and schematic side view of the brake device of the embodiment from the outer side in the vehicle width direction.
  • FIG. 3 is an exemplary and schematic side view of the operation of the braking member by the moving mechanism of the brake device of the embodiment, which is a diagram in a non-braking state.
  • FIG. 4 is an exemplary and schematic side view of the operation of the braking member by the moving mechanism of the brake device of the embodiment, in a braking state.
  • FIG. 5 is an exemplary and schematic cross-sectional view of the electric actuator of the embodiment in a non-braking state.
  • FIG. 11 is an exemplary and schematic perspective view of a part of the motion conversion mechanism included in the electric actuator of the embodiment.
  • FIG. 12 is an exemplary schematic cross-sectional view of a part of the electric actuator according to the first modification, which is a diagram in a non-braking state.
  • FIG. 13 is an exemplary schematic cross-sectional view of a part of the electric actuator according to the second modification, which is a diagram in a non-braking state.
  • FIG. 14 is an exemplary and schematic perspective view of the movement restricting member included in the electric actuator of the third modification.
  • the brake device 2 is accommodated inside the peripheral wall 1 a of the cylindrical wheel 1.
  • the brake device 2 is a so-called drum brake.
  • the brake device 2 includes two brake shoes 3 spaced apart in the front-rear direction.
  • the two brake shoes 3 extend in an arc along the inner peripheral surface 4a of the cylindrical drum rotor 4 as shown in FIGS.
  • the drum rotor 4 rotates integrally with the wheel 1 about a rotation center C along the vehicle width direction (Y direction).
  • the brake device 2 moves the two brake shoes 3 so as to contact the inner peripheral surface 4 a of the cylindrical drum rotor 4.
  • the brake shoe 3 is an example of a braking member.
  • the wheel cylinder 51, the brake shoe 3 and the like shown in FIG. 2 are disposed outward of the backing plate 6 in the vehicle width direction.
  • the brake shoe 3 is movably supported by the backing plate 6.
  • the lower end portion 3a of the brake shoe 3 is supported by the backing plate 6 (see FIG. 2) so as to be rotatable about the rotation center C11.
  • the rotation center C11 is substantially parallel to the rotation center C of the wheel 1.
  • the wheel cylinder 51 is supported by the upper end portion of the backing plate 6.
  • the wheel cylinder 51 has two unshown movable parts (pistons) which can protrude in the vehicle longitudinal direction (left and right direction in FIG. 2).
  • the side wall 142a has a first extension 142a1 extending from the flange 142b in the direction D1 and a second extension 142a2 extending from the flange 142b in the direction D2.
  • the length of the first extending portion 142a1 is longer than the length of the second extending portion 142a2.
  • the motion conversion mechanism 140 has the male screw 141 d, and the rotating member 141 that rotates around the third rotation center Ax3 (axial center of the male screw 141 d) in conjunction with the output shaft 122; And a linear motion member 142 which has a female screw 142d engaged with the male screw 141d, and linearly moves with the rotation of the rotation member 141.
  • the rotation member 141 is supported compared to a mode in which the linear movement member having the male screw linearly moves according to the rotation of the rotation member having the female screw as disclosed in Patent Document 1
  • the diameter of the radial bearing 161 and the thrust bearing 162 is likely to be small, and the support structure of the rotating member 141 can be further miniaturized, and the diameter of the radial bearing 161 and the thrust bearing 162 is smaller, so that the same rotation is achieved. Since the sliding speed of the radial bearing 161 and the thrust bearing 162 at a lower speed becomes lower, there is an advantage that durability such as wear resistance can be easily improved.
  • the protrusion 143 b of the rotation prevention member 143 restricts the movement of the cable end 144 in the direction D2.
  • the cable end 144 can be used to restrict the movement of the cable 150 in addition to the transmission of force between the cable 150 and the linear motion member 142.
  • the rotation of the rotating member 141 can be suppressed from being transmitted to the cable end 144 by the cable end 144 coming into contact with the rotating member 141, so that, for example, the rotating member 141 and the cable end 144 slide against each other. It is possible to suppress the occurrence of inconvenience such as movement and wear.
  • the rotating member 141 is provided with an external thread 141 d
  • the linear moving member 142 is provided with an internal thread 142 d.
  • the motion conversion mechanism 140 and thus the electric actuator 100 is realized by a relatively simple configuration by the rotating member 141 having the male screw 141 d and the linear moving member 142 having the female screw 142 d. be able to.
  • a gap is provided in the axial direction between the rotating member 141 and the cable end 144 in the state where the cable 150 is positioned at the release position Pr. According to such a configuration, for example, transmission of the rotation of the rotation member 141 to the cable 150 via the cable end 144 is suppressed. The same effect can be obtained even in the case where a detent structure is provided between the cable end 144 and the detent member 143 to limit relative rotation in the circumferential direction by engagement of irregularities or the like.
  • the control device 200 detects that the cable 150 has reached the release position Pr, for example, when the drive current of the motor 120 exceeds the threshold, and at that time, the control device 200 sends Supply can be stopped.
  • the repulsive force (elastic force, biasing force) and the spring constant can be adjusted by the specifications (number, shape, size, thickness, number, etc.) of the protrusion 143b.
  • the thickness of the tip portion of the protrusion 143 b is thinner than the thickness of the root portion.
  • the actuating member is not limited to a tension member such as a cable, but may be a pressing member such as a rod.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

L'invention concerne un actionneur électrique d'un dispositif de frein, monté sur une plaque de support, dans un état où un mécanisme de conversion de mouvement fait saillie d'une surface opposée à un élément de freinage dans la plaque de support, et où un élément rotatif est entraîné pour tourner par l'intermédiaire d'une couronne dentée, qui est disposée à la périphérie extérieure de l'élément rotatif et qui tourne conjointement avec un arbre de sortie.
PCT/JP2018/045785 2017-12-27 2018-12-13 Dispositif de frein Ceased WO2019131153A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880074407.5A CN111356857B (zh) 2017-12-27 2018-12-13 制动装置
DE112018006711.4T DE112018006711T5 (de) 2017-12-27 2018-12-13 Bremsvorrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-252653 2017-12-27
JP2017252653A JP6984406B2 (ja) 2017-12-27 2017-12-27 ブレーキ装置

Publications (1)

Publication Number Publication Date
WO2019131153A1 true WO2019131153A1 (fr) 2019-07-04

Family

ID=67067050

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/045785 Ceased WO2019131153A1 (fr) 2017-12-27 2018-12-13 Dispositif de frein

Country Status (4)

Country Link
JP (1) JP6984406B2 (fr)
CN (1) CN111356857B (fr)
DE (1) DE112018006711T5 (fr)
WO (1) WO2019131153A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7087565B2 (ja) * 2018-03-29 2022-06-21 株式会社アドヴィックス ブレーキ装置
CN111917264B (zh) * 2020-08-03 2025-05-27 深圳市恒驱电机股份有限公司 一种具有冲压背板的超薄轴向电机定子结构和盘式电机
FR3130000B1 (fr) * 2021-12-03 2024-02-02 Hitachi Astemo France Actionneur électrique pour un frein de véhicule automobile comprenant un dispositif vis-écrou

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010076479A (ja) * 2008-09-24 2010-04-08 Advics Co Ltd 駐車ブレーキ制御装置
JP2017133672A (ja) * 2016-01-29 2017-08-03 株式会社アドヴィックス 車両用電動ブレーキ装置
JP2017172809A (ja) * 2015-10-23 2017-09-28 株式会社アドヴィックス 車両用ブレーキ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1013783C2 (nl) * 1999-12-07 2001-06-08 Skf Eng & Res Centre Bv Trommelrem en elektrische actuator daarvoor.
KR20090064220A (ko) * 2007-12-15 2009-06-18 현대자동차주식회사 차량용 감속장치와 이를 이용한 전자식 파킹브레이크 및전자식 모터브레이크
US9175737B2 (en) * 2011-02-02 2015-11-03 Continental Teves Ag & Co. Ohg Drum brake module which can be operated by electric motor
JP5960534B2 (ja) * 2012-07-27 2016-08-02 曙ブレーキ工業株式会社 ドラムブレーキ式電動駐車ブレーキ装置
JP2015152044A (ja) * 2014-02-12 2015-08-24 株式会社アドヴィックス 電動駐車ブレーキ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010076479A (ja) * 2008-09-24 2010-04-08 Advics Co Ltd 駐車ブレーキ制御装置
JP2017172809A (ja) * 2015-10-23 2017-09-28 株式会社アドヴィックス 車両用ブレーキ
JP2017133672A (ja) * 2016-01-29 2017-08-03 株式会社アドヴィックス 車両用電動ブレーキ装置

Also Published As

Publication number Publication date
JP6984406B2 (ja) 2021-12-22
CN111356857A (zh) 2020-06-30
DE112018006711T5 (de) 2020-09-10
JP2019116965A (ja) 2019-07-18
CN111356857B (zh) 2022-08-23

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