[go: up one dir, main page]

EP1769172A1 - Entrainement a cable - Google Patents

Entrainement a cable

Info

Publication number
EP1769172A1
EP1769172A1 EP05749363A EP05749363A EP1769172A1 EP 1769172 A1 EP1769172 A1 EP 1769172A1 EP 05749363 A EP05749363 A EP 05749363A EP 05749363 A EP05749363 A EP 05749363A EP 1769172 A1 EP1769172 A1 EP 1769172A1
Authority
EP
European Patent Office
Prior art keywords
drive
cable
motor
train
brake
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Withdrawn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
EP05749363A
Other languages
German (de)
English (en)
Inventor
Gerhard Pfanzer
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.)
Brose Fahrzeugteile SE and Co KG
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP1769172A1 publication Critical patent/EP1769172A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/28—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged apart from 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
    • F16D2121/18—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
    • F16D2125/44—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
    • F16D2125/44—Mechanical mechanisms transmitting rotation
    • F16D2125/46—Rotating members in mutual engagement
    • F16D2125/52—Rotating members in mutual engagement with non-parallel stationary axes, e.g. worm or bevel 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 invention relates to a cable drive with a drive motor for tensioning a rope mitteis a motor output shaft of the drive motor via a drive train with the rope connecting the transmission.
  • the invention relates to a parking brake, in particular for a motor vehicle, with a cable drive.
  • An abovementioned cable drive is known, for example, for actuation of a brake cable in a vehicle, wherein a pulling spindle acting on the brake cable is self-locking.
  • a lock is produced which permanently maintains a blockage of the brake and counteracts a release of the brake.
  • a disadvantage of this cable drive is that the drive motor of the cable tensioning device must have a high drive torque.
  • a Seilzugan ⁇ drive which has an internal, frictional or positive brake-holding device with an additional motor drive having Direction gear.
  • This cable drive is very complex in construction and expensive due to its two drive motors.
  • a motor vehicle-operated parking brake and a method for controlling it are generally known for a motor vehicle.
  • an electric motor with a current sensor serves as a drive for a brake cable by means of a threaded rod having a gear, wherein the electric motor is stopped as soon as the current sensor for the electric motor signals a predetermined value.
  • the gear is self-locking.
  • the electric motor serving as the drive motor it is also necessary here for the electric motor serving as the drive motor to provide a high drive torque.
  • the object of the invention is therefore to provide a cable drive of the aforementioned type, which can alswei ⁇ a drive motor with a comparatively low drive torque and has a simple structure.
  • the invention has for its object to provide a Feststellbrem ⁇ se of the type mentioned, which can be equipped with a simple construction with a comparatively low Antriebsnavmo ⁇ ment having drive motor.
  • the first object is achieved according to the invention by providing a brake train which is parallel to the drive train and which connects the motor output drive cable to the cable, and which has a self-locking feature.
  • the cable pull drive In the cable pull drive according to the invention, a tension force is applied to the cable via the drive train of the transmission, whereas holding the cable tension takes place by means of the self-locking brake cable.
  • the brake train serves as a braking or blocking element for the cable drive itself, to the rope tension at a certain level hold.
  • the powertrain has no self-locking. It can be constructed smoothly, and it is only a small, a comparatively low drive torque having drive motor required. This results in a weight reduction and a reduction in the power consumption for the cable feed drive, which makes it particularly suitable for use in objects to be moved, such as vehicles.
  • the cable drive according to the invention has a short reaction time, he can tighten the rope very quickly and accurately.
  • the ver ⁇ reduced power consumption of the drive motor is advantageous for control and regulation of the engine, which can be designed simplified and inexpensive.
  • the Geisseschentwick ⁇ development of the cable drive according to the invention is low, especially since a second or further drive motor is eliminated. Due to the relatively small number of individual parts, the manufacture, assembly and maintenance of the cable drive is basically simple and inexpensive.
  • the high level of operational reliability and the simple construction make the cable drive according to the invention particularly suitable, for example, for use as a drive for an electric parking brake, such as. It is used for example in Bauma ⁇ machines or motor vehicles.
  • the construction of the cable drive is further simplified if an adjusting spindle acting on the cable is provided as the output member of the transmission.
  • the drive train and the brake train have different ratios.
  • Demge ⁇ gene undergraduate the cable drive on very few components and is very reliable, if according to another advantageous development of the invention, the drive train and the brake train with the same speed act on the Stellspmdel.
  • the drive train and the brake train which are each driven only by the drive motor, the same (overall) translation.
  • the drive train on a spur gear is inexpensive to manufacture, and it can be transmitted via it drive power with very high efficiency.
  • the required Antrj ebs- performance which must make the drive motor to operate the Seilzugan- drive at your disposal.
  • a force sensor is provided for detecting a tensile force of the cable.
  • the drive motor can be switched off when a preset cable tension is reached, thereby avoiding overstressing the cable.
  • the force acting on a device to be operated by the cable for example a braking device, can also be detected by the force sensor and optionally controlled together with the drive motor.
  • a motor for example, a hydraulically or pneumatically operated motor to introduce.
  • the drive motor is an electric reversible motor.
  • Em Reversiermotor also offers the further advantage that it can be used without additional facilities, such as a reverse gear, not only for tensioning the rope, but also for its specific, finely resolved loosening and relaxing.
  • the motor drive 1e has a driver, which can be attacked by a driver of the drive train input gear and by a driver of the braser drive gear, driving the drive train gear and / or the brake train gear. In this way, with a simple structural design, a targeted, reliable torque and torque transmission is ensured.
  • the An ⁇ powertrain speed is biased against its bias against the driving direction during tensioning of the cable against the engine output shaft.
  • the tensioned by the drive motor rope is a brake cable of the actual braking device of the parking brake.
  • the brake line in the cable drive which brake line holds the tension in the Bremssei].
  • the parking brake according to the invention is particularly suitable for use as a parking brake of a motor vehicle because of its precise metering, reliable function and its simple, maintenance-free construction.
  • the parking brake according to the invention has the additional advantage that, with simple measures, for example the use of a force sensor for measuring the tensile force of the brake cable and a control of the drive motor dependent on the tensile force values, a (mechanical) readjustment of the parking brake becomes superfluous; It can then always develop its optimum braking action within very wide limits, without, for example, elongation of the brake cable leading to a reduction in the braking effect.
  • Figure 1 shows a cable drive in a perêti ⁇ vischen representation
  • Figure 2 shows the cable drive of Figure 1 in one
  • FIGS. 3a to 3d each show a section through the cable pull drive according to FIG. 1 in different operating states.
  • Figure 1 shows a perspective view of a cable drive 1 with a base plate 2, which holds the drive motor 3 of the cable drive 1, an electric motor with a base plate 2 by cross-motor output shaft 4.
  • a transmission 5 connects the engine output shaft 4 with a cable 7 connected to a non-self-locking adjusting spindle 6.
  • the cable 7 can be, for example, a brake cable of a parking brake of a motor vehicle not shown here.
  • the drivetrain 8 has a spur gear i'9 with a first spur gear seated on the engine output shaft 4 as drive input wheel 10, further spur gears 11, 12 and a last spur gear arranged on the adjusting spindle 6 as the driveline output gear 13.
  • the brake train 14 has a bevel gear that is seated on the engine output shaft 4 as a brake train input gear 15, a gear wheel that engages with it.
  • gelrad 16 which is arranged on a worm shaft 17 with a worm 18, and a worm wheel as Bremsstrangaus- gangsrad 19, which is arranged on the adjusting spindle 6.
  • the two bevel gears at the entrance to the brake line could also be replaced by a helical gear arrangement.
  • the self-locking of the brake train 14 is effected by a worm gear 20 having the worm wheel and the worm 18.
  • the translation of the drive train 8 corresponds to that of the brake train 14, so that the An ⁇ drive train 8 and the brake train 14 each act on the adjusting spindle 6 with the same speed.
  • the side view of Seilzugan- drive 1 shown in Figure 2 is in addition to the general structure of the cable drive 1 with drive motor 3, base plate 2, drive train 8, pa ⁇ rallelem brake train 14 and adjusting spindle 6 stylized on the rope 7 drawn force sensor 21 for detecting a tensile force to take the rope 7.
  • the force sensor 21 is provided via an electrical line 22 with a motor control electronics 23 for controlling the drive motor 3, in particular for switching it off when a predetermined force value of the tensile force of the cable 7 is reached.
  • drive motor 3 which is a reversing motor
  • drive train 8 and brake train 14 will be described in greater detail below with reference to FIGS. 3 a to 3 d, which each show a section of a section A - A from FIG. 2 in different operating states of cable drive 1 erläu ⁇ tert.
  • FIG 3a shows the operating state "tightening", which lasts until reaching the end position dos to exciting rope.
  • the motor output shaft 4, which is moved in the direction of an arrow 24, has a driver 25 connected to it in a torque-proof manner.
  • This driver 25 is located on a driver 26 of the trained as bevel gear Bremsstrangeingangsrades 15 (see also Figure 2) and on a driver of aus ⁇ formed as a spur Antriebsstrangeingangsrades 10 (see also Figure 2).
  • the driver of the Antriebsstrangeingangsrades 10 is covered by the driver 26 of the Bremsstrangeingangsrades 15.
  • the An ⁇ drive train input gear 10 and the Bremsstrangeingangsrad 15 are thus against each other about a - here by the Motorabtriebs ⁇ wave 4 formed - common axis of rotation rotatable.
  • a torsion spring which is not visible here acts on the drive train input wheel 10 in order to keep the brake train input wheel 15 unhindered and free in order to build up the self-locking mechanism.
  • the Antriebsstrangeingangsrad 10 is thus biased counter to its driving direction when tightening the rope against the Motor ⁇ output shaft 4.

Landscapes

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

Abstract

L'invention concerne un entraînement à câble (1) comportant un moteur d'entraînement (3) destiné à tendre le câble (7) par l'intermédiaire d'une transmission (5) connectant un arbre de sortie (4) du moteur d'entraînement (3) au câble (7) par l'intermédiaire d'une chaîne cinématique (8). L'invention concerne également un frein de stationnement destiné à un véhicule, comportant un entraînement à câble. Pour un blocage simple de l'entraînement à câble (1), on fait intervenir une chaîne de freinage (14) parallèle à la chaîne cinématique (8), connectant l'arbre de sortie du moteur (4) au câble (7), présentant un système de blocage automatique. Selon l'invention, ledit entraînement à câble est connecté activement à un dispositif de freinage pour l'actionnement dudit frein de stationnement.
EP05749363A 2004-07-16 2005-06-16 Entrainement a cable Withdrawn EP1769172A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004034452A DE102004034452A1 (de) 2004-07-16 2004-07-16 Seilzugantrieb
PCT/EP2005/052791 WO2006008216A1 (fr) 2004-07-16 2005-06-16 Entrainement a cable

Publications (1)

Publication Number Publication Date
EP1769172A1 true EP1769172A1 (fr) 2007-04-04

Family

ID=34971205

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05749363A Withdrawn EP1769172A1 (fr) 2004-07-16 2005-06-16 Entrainement a cable

Country Status (5)

Country Link
US (1) US20080006804A1 (fr)
EP (1) EP1769172A1 (fr)
CN (1) CN101084386A (fr)
DE (1) DE102004034452A1 (fr)
WO (1) WO2006008216A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006029943B4 (de) * 2006-03-28 2008-04-17 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse in selbstverstärkender Bauart und Verfahren zu deren Ansteuerung
DE102006029944A1 (de) * 2006-03-28 2007-10-11 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Selbstverstärkende Scheibenbremse und Verfahren zu deren Ansteuerung
DE102008000280A1 (de) * 2008-02-12 2009-08-13 Zf Friedrichshafen Ag Parkbremse
KR20110033624A (ko) * 2009-09-25 2011-03-31 주식회사 만도 전자식 주차 브레이크 시스템 및 그 제어 방법
US9762246B2 (en) * 2011-05-20 2017-09-12 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device with a storage circuit having an oxide semiconductor
CN102718174B (zh) * 2012-07-03 2014-07-16 新疆农垦科学院 果园自走式升降作业平台
KR102408251B1 (ko) * 2015-10-01 2022-06-13 엘지이노텍 주식회사 파킹 브레이크 액츄에이터
CN106314407A (zh) * 2016-06-06 2017-01-11 浙江万安科技股份有限公司 卡钳式电子驻车减速结构
CN112145580A (zh) * 2020-10-28 2020-12-29 南京工程学院 一种基于蜗轮蜗杆的刹车装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817463A (en) * 1987-04-14 1989-04-04 Itt Corporation Electric cable tensioning device
US5644869A (en) * 1995-12-20 1997-07-08 Itt Automotive Electrical Systems, Inc. Power drive for a movable closure with ball nut drive screw
DE19755933C1 (de) * 1997-12-17 1999-08-12 Kuester & Co Gmbh Feststellbremse für Fahrzeuge
US6533082B2 (en) * 2000-12-01 2003-03-18 Dura Global Technologies, Inc. Electric parking brake
US6755284B2 (en) * 2001-05-24 2004-06-29 Ventra Group Inc. Electrically driven parking brake actuation assembly
US6609595B2 (en) * 2001-10-09 2003-08-26 Dura Global Technologies, Inc. Electric parking brake with direct tension feedback
DE20309193U1 (de) * 2003-06-13 2003-08-28 Küster Automotive Control Systems GmbH, 35630 Ehringshausen Feststellbremse für Fahrzeuge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006008216A1 *

Also Published As

Publication number Publication date
DE102004034452A1 (de) 2006-02-09
US20080006804A1 (en) 2008-01-10
WO2006008216A1 (fr) 2006-01-26
CN101084386A (zh) 2007-12-05

Similar Documents

Publication Publication Date Title
DE2947472C2 (fr)
DE10202729B4 (de) Elektrisch betätigte Feststellbremsvorrichtung
DE60224909T2 (de) Antriebseinheit zur Betätigung einer Parkbremse in einem Fahrzeug
DE102008036971B3 (de) Mechanische Notentriegelung für Parksperre eines automatisierten bzw. automatischen Getriebes
DE102014009126B4 (de) Elektronisches Parkbremssystem und Verfahren zur Steuerung desselben
EP2037069B1 (fr) Dispositif d'entraînement dans un voiture
DE10102685A1 (de) Betätigungsmechanismus mit Kraftsensor für eine Bremse
EP2262969A1 (fr) Dispositif d entraînement de porte, en particulier entraînement direct
DE69930760T2 (de) Handgriff für feststellbremsbedienung
DE102011014815A1 (de) Kraftfahrzeugparksperrenvorrichtung mit zumindest einer Spindel
EP1354147B1 (fr) Frein de stationnement electromoteur, notamment pour un vehicule automobile
EP4058695A1 (fr) Dispositif pour actionner un frein de stationnement dans une boîte de vitesses automatique d'un véhicule automobile
DE19952019A1 (de) Parkbremse für ein Automatikgetriebe
DE102016116692B4 (de) Vorrichtung zum Betätigen einer Parksperre in einem Automatik-Getriebe eines Kraftfahrzeuges
EP1769172A1 (fr) Entrainement a cable
DE10349178B4 (de) Gurtstrafferaggregat
DE102021129954A1 (de) Trägerbaugruppe und Antriebsbaugruppe für eine Aktorbaugruppe für eine Fahrzeugbremse sowie Aktorbaugruppe
DE102011084531A1 (de) Verstellantrieb mit einem Überlastschutz und einem Gesperre
DE60315402T2 (de) Motorischer Stellantrieb einer Abschlussvorrichtung für eine Offnung in einem Fahrzeug und entsprechende Tür und Fahrzeug
EP3350045A1 (fr) Servofrein électromécanique
EP1287272B1 (fr) Frein de stationnement commande par un moteur electrique et destine notamment a un vehicule automobile
DE19829514C2 (de) Feststellbremsanlage für Fahrzeuge
DE3446657A1 (de) Hilfsantrieb fuer aufzuege
DE102005034185B4 (de) Vorrichtung und Verfahren zur Steuerung eines Drehmoments
DE7021751U (de) Getriebeanordnung fuer fensterheber.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20061130

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CONTINENTAL AUTOMOTIVE GMBH

17Q First examination report despatched

Effective date: 20080623

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BROSE FAHRZEUGTEILE GMBH & CO. KG

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20090409