WO2014003274A1 - Équipement de frein de stationnement électrique pour véhicules commerciaux intermédiaires et lourds - Google Patents

Équipement de frein de stationnement électrique pour véhicules commerciaux intermédiaires et lourds Download PDF

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Publication number
WO2014003274A1
WO2014003274A1 PCT/KR2012/011803 KR2012011803W WO2014003274A1 WO 2014003274 A1 WO2014003274 A1 WO 2014003274A1 KR 2012011803 W KR2012011803 W KR 2012011803W WO 2014003274 A1 WO2014003274 A1 WO 2014003274A1
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WO
WIPO (PCT)
Prior art keywords
motor
parking brake
large commercial
spring
mid
Prior art date
Application number
PCT/KR2012/011803
Other languages
English (en)
Korean (ko)
Inventor
임주생
Original Assignee
주식회사 미래브이씨
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 주식회사 미래브이씨 filed Critical 주식회사 미래브이씨
Publication of WO2014003274A1 publication Critical patent/WO2014003274A1/fr

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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
    • B60T13/746—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 and mechanical transmission of the braking action
    • 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
    • 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
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/08—Brake-action initiating means for personal initiation hand actuated
    • B60T7/10—Disposition of hand control
    • B60T7/107—Disposition of hand control with electrical power assistance
    • 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
    • F16D2121/06—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure for releasing a normally applied brake

Definitions

  • the present invention relates to an electric parking brake device for a medium-large commercial vehicle, and more particularly, to a motorized parking brake device for a medium-large commercial vehicle of a new method for generating a parking stroke by driving the motor during the operation of the parking brake of the medium-large commercial vehicle.
  • Pneumatic brake systems such as air brakes have long been used to control the running and stopping of medium and large commercial vehicle vehicles, especially large vehicles such as heavy trucks and buses.
  • air brakes are required to be more sensitive and quick to brake operation due to the weight of the cargo, and to have a substantially strong braking force.
  • the key component of an air brake system is a brake chamber that uses air pressure to produce a stroke of 64 mm, for example with a force of 1800 kgf.
  • FIG. 1 and 2 are cross-sectional views illustrating an operation state of a spring type parking brake device according to an exemplary embodiment, wherein the parking brake device includes a spring chamber 11 and a service chamber 12 respectively disposed at upper and lower portions thereof. It consists of.
  • the spring chamber 11 is installed in the chamber and the power spring 13 to generate an operating force for operating the vehicle brake by the elastic restoring force, and the power spring 13 in a way that is bent upward by the air pressure
  • the first chamber diaphragm 14 to compress, the piston 16 is installed on the upper surface of the first diaphragm 14 to transmit the compressive force to the power spring 13, and the spring chamber through the holes of the partition wall (10) 11) and a first push rod 17 which is moved up and down in the axial direction between the service chamber 12.
  • the upper end of the power spring 13 is guided by a spring guide 22 installed inside the upper end of the spring chamber 11 during compression, and the lower end of the power spring 13 is seated and supported by the flange of the piston 16. do.
  • the first spring 19 is installed between the first diaphragm 14 and the partition wall 10, and the first diaphragm 14 is elastically supported by the first spring 19.
  • the service chamber 12 is connected to the second diaphragm 15 and the second diaphragm 15 which are bent and deformed in the vertical direction by the force of the air pressure or the first push rod 17, and the service chamber 12
  • the second push rod 18 drawn out through the lower through-hole of the bottom plate, the end of the second push rod 18 and the vehicle brake operating mechanism, and the vehicle brake according to the lifting operation of the second push rod 18. It comprises a clavis 21 for activating and deactivating.
  • the second spring 20 is installed between the connecting plate of the second push rod 18 and the lower end of the service chamber 12, the second diaphragm 15 is elastically supported by the second spring (20) do. Looking at the operating state of the brake actuator by such a configuration as follows.
  • compressed air is introduced into the spring chamber 11 when the brake is released or during normal driving.
  • the edge of the first diaphragm 14 is bent upward by the pressure of the compressed air introduced into the spring chamber 11, and the power spring 13 is compressed by the air pressure transmitted through the piston 16.
  • the first push rod 17 connected to the first diaphragm 14 is inserted and moved into the spring chamber 11.
  • the second diaphragm 15 is bent upward by the elastic restoring force of the second spring 20, and the second push rod 18 is the service chamber 12.
  • the vehicle brake is inserted and moved inward and released by the clavis 21 connected to the second push rod 18.
  • the power spring 13 When the brake is operated, the power spring 13 is released as the air pressure applied to the power spring 13 is released through the first diaphragm 14 and the piston 16 while the air inside the spring chamber 11 is discharged to the outside. It is expanded by elastic restoring force. Subsequently, while the edge portion of the first diaphragm 14 is bent downward by the elastic restoring force of the power spring 13, the first push rod 17 is moved downward, and thus the second diaphragm ( The edge of 15 is bent and deformed downward by the pressing force from the first push rod 17.
  • the vehicle brake is operated by the clavis 21 connected to the lower end of the second push rod 18. Let's do it.
  • the present invention has been invented to solve the above problems, by implementing a stroke (parking braking force) for the brake operation by the electric motor through the application of a motor, a reducer and a linear module instead of a mechanical using a conventional power spring,
  • An object of the present invention is to provide an electric parking brake device for a medium-large commercial vehicle that can solve the existing problems.
  • an electric parking brake device for a medium-large commercial vehicle includes a motor for providing a driving force; A speed reducer for reducing the speed of the motor; And a linear module for converting the rotational motion of the reduced motor into a linear motion to generate a stroke of the parking brake for a medium-large commercial vehicle.
  • the linear module may be coupled to the reducer; A rotating screw connected through the coupling to rotate at a reduced speed; And a nut part engaged with the rotary screw to move up and down, and generate a stroke displacement for the operation of the parking brake by the lifting operation of the nut part.
  • the motor, reducer, and linear module can realize a stroke of a predetermined length (reciprocating travel distance) from mechanical to electric, and do not need the power spring and diaphragm built in the existing spring chamber, so that the coil spring of high load In this way, it is possible to improve the problems such as the failure loss and the presence of lateral force during operation, limiting the endurance life and exposure to the risk of human accidents due to the arbitrary disassembly during breakdown of the brake chamber.
  • FIG. 1 and 2 are cross-sectional views showing the operating state of the spring type parking brake device according to an embodiment of the prior art
  • FIG 3 is a front view of the electric parking brake device for a medium-large commercial vehicle according to an embodiment of the present invention.
  • FIG. 4 is an exploded perspective view of FIG.
  • FIG. 3 is a front view of the electric parking brake device for a medium-large commercial vehicle according to an embodiment of the present invention
  • Figure 4 is an exploded perspective view of FIG.
  • the present invention is a mechanical method of operating the parking brake using the conventional compressed air and power spring to change the electric motor to operate the parking brake by using the motor 11 and the linear module, the durability of the existing high tension spring
  • the present invention relates to an electric parking brake system that can improve the limit.
  • the electric parking brake system includes a motor 11 for providing a driving force, a reducer 12 for reducing the rotation speed of the motor 11, and a linear module for converting the rotational movement into a straight line.
  • the motor 11 is a motor 11 capable of forward and reverse rotation, and may implement a required torque of 29.96 N ⁇ m for parking of a medium-large commercial vehicle, and the operation of the motor 11 may be controlled by a motor controller. .
  • the reducer 12 is connected to the output shaft of the motor 11, and can reduce the rotational speed of the motor 11 using, for example, a planetary gear set.
  • the linear module is composed of a rotating screw 13 connected to the output shaft of the reducer 12 and a nut part 14 engaged with the rotating screw 13 to move up and down to convert the rotational motion of the motor 11 into a linear motion. Can be.
  • the rotary screw 13 is connected to the output shaft of the reducer 12 by the coupling 15, and receives the rotational force from the reducer 12 through the coupling 15 to rotate in place.
  • the nut part 14 has a female thread formed therein, and the rotary screw 13 is inserted into the nut part 14 to be engaged.
  • the electric chamber 10 deletes the power spring, the spring guide, the piston, the first diaphragm and the first spring from the existing spring chamber, and the motor 11, the reducer 12 and the linear module inside the chamber. Are arranged in the upper, middle and lower positions respectively.
  • the electric chamber 10 can be fastened to the flange case 16 and the bolt by eliminating the existing power spring and the first diaphragm, and can reduce the cost of paying the technical fee in relation to the conventional curling method. .
  • the service chamber 17 and the diaphragm 18 and the spring 19 installed in the service chamber 17 of the present invention are the same as the existing service chamber 17 and its internal parts, and thus detailed description thereof will be omitted. do.
  • the motor controller sends a signal to the motor 11 to operate the brake 11 in the forward direction for brake operation.
  • the reducer 12 slows down the rotational speed of the motor 11, and the rotating screw 13 is rotated in place according to the reduced rotational speed.
  • the push rod 20 connected to the rear surface of the diaphragm 18 is moved downward, and as the push rod 20 is withdrawn from the service chamber 17, the vehicle is connected to the push rod 20 through a clavis connected to the push rod 20. Activate the brake.
  • the motor controller sends a signal to the motor 11 to operate the motor 11 in the reverse direction.
  • the reducer 12 reduces the rotational speed of the motor 11, and the rotating screw 13 is rotated in place according to the reduced rotational speed.
  • the push rod 20 connected to the rear surface of the diaphragm 18 is moved upward, and as the push rod 20 is inserted into the service chamber 17, the vehicle is connected to the push rod 20 through a clavis connected to the push rod 20. Release the brake.
  • the motor 11, the reducer 12, and the linear module can implement a stroke (reciprocating distance) of a predetermined length from the mechanical type to the electric type, and the power spring and the first spring built in the existing spring chamber No need for diaphragm, so high load coil spring method leads to problems of loss of life and lateral forces in operation, limiting the durability life and exposure to the risk of human accidents due to random disassembly when troubleshooting the break chamber. Can be improved.

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

Abstract

L'objectif de la présente invention est de proposer un équipement de frein de stationnement électrique pour véhicules commerciaux intermédiaires et lourds, qui peut résoudre les problèmes existants en effectuant une course (force du frein de stationnement) qui permet le fonctionnement d'un frein électrique en faisant intervenir un moteur électrique, un engrenage réducteur et un module linéaire, au lieu du fonctionnement d'un frein mécanique qui utilise un ressort-moteur existant, etc. L'équipement de frein de stationnement électrique pour véhicules commerciaux intermédiaires et lourds selon la présente invention comprend : un moteur électrique qui fournit une force motrice ; un engrenage réducteur qui réduit le régime du moteur ; et un module linéaire qui produit une course du frein de stationnement pour véhicules commerciaux intermédiaires et lourds en convertissant le mouvement de rotation, à régime réduit, du moteur en un mouvement rectiligne.
PCT/KR2012/011803 2012-06-26 2012-12-28 Équipement de frein de stationnement électrique pour véhicules commerciaux intermédiaires et lourds WO2014003274A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0068593 2012-06-26
KR20120068593 2012-06-26

Publications (1)

Publication Number Publication Date
WO2014003274A1 true WO2014003274A1 (fr) 2014-01-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108490499A (zh) * 2018-04-08 2018-09-04 李慧 锂电池自动装配流水线上的检测装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002018188A1 (fr) * 2000-08-30 2002-03-07 Sila Holding Industriale S.P.A. Unite d"actionnement pour dispositif de freinage, en particulier pour frein de stationnement de vehicule
US7337882B2 (en) * 2003-07-07 2008-03-04 Aktiebolaget Skf Linear electromechanical screw actuator for parking brake
WO2008087506A2 (fr) * 2007-01-19 2008-07-24 Aktiebolaget Skf Actionneur électromécanique linéaire pour un frein de stationnement
WO2009016660A1 (fr) * 2007-07-30 2009-02-05 Freni Brembo S.P.A. Frein à main électrique
KR20090039058A (ko) * 2007-10-17 2009-04-22 현대모비스 주식회사 모터 직결 타입 전자식 주차브레이크
KR20100039075A (ko) * 2008-10-07 2010-04-15 주식회사 만도 전자식 주차 브레이크 시스템을 갖춘 디스크 브레이크
KR101055975B1 (ko) * 2005-06-22 2011-08-11 주식회사 만도 전동식 주차 브레이크 장치

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002018188A1 (fr) * 2000-08-30 2002-03-07 Sila Holding Industriale S.P.A. Unite d"actionnement pour dispositif de freinage, en particulier pour frein de stationnement de vehicule
US7337882B2 (en) * 2003-07-07 2008-03-04 Aktiebolaget Skf Linear electromechanical screw actuator for parking brake
KR101055975B1 (ko) * 2005-06-22 2011-08-11 주식회사 만도 전동식 주차 브레이크 장치
WO2008087506A2 (fr) * 2007-01-19 2008-07-24 Aktiebolaget Skf Actionneur électromécanique linéaire pour un frein de stationnement
WO2009016660A1 (fr) * 2007-07-30 2009-02-05 Freni Brembo S.P.A. Frein à main électrique
KR20090039058A (ko) * 2007-10-17 2009-04-22 현대모비스 주식회사 모터 직결 타입 전자식 주차브레이크
KR20100039075A (ko) * 2008-10-07 2010-04-15 주식회사 만도 전자식 주차 브레이크 시스템을 갖춘 디스크 브레이크

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108490499A (zh) * 2018-04-08 2018-09-04 李慧 锂电池自动装配流水线上的检测装置

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