EP1496529B1 - Dispositif de commande manuelle pour appareils de levage - Google Patents

Dispositif de commande manuelle pour appareils de levage Download PDF

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Publication number
EP1496529B1
EP1496529B1 EP04015168A EP04015168A EP1496529B1 EP 1496529 B1 EP1496529 B1 EP 1496529B1 EP 04015168 A EP04015168 A EP 04015168A EP 04015168 A EP04015168 A EP 04015168A EP 1496529 B1 EP1496529 B1 EP 1496529B1
Authority
EP
European Patent Office
Prior art keywords
operating device
momentary
switching
plunger
pressure
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.)
Expired - Lifetime
Application number
EP04015168A
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German (de)
English (en)
Other versions
EP1496529A1 (fr
Inventor
Wolfgang Krebs
Holger Freitag
Anton Münzebrock
Burkhard Hasenack
Giuliano Persico
Erik Appel
Stefan Elspass
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.)
Demag Cranes and Components GmbH
Original Assignee
Demag Cranes and Components GmbH
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 Demag Cranes and Components GmbH filed Critical Demag Cranes and Components GmbH
Publication of EP1496529A1 publication Critical patent/EP1496529A1/fr
Application granted granted Critical
Publication of EP1496529B1 publication Critical patent/EP1496529B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/64—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member wherein the switch has more than two electrically distinguishable positions, e.g. multi-position push-button switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/02—After travel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/018—Consecutive operations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/03—Two serial springs

Definitions

  • the invention relates to an operating device for the manual operation of hoists, with at least one arranged in a switch housing spring-loaded switching element per movement direction of the hoist, each switching element a pressure actuation mechanism, a first electrical microswitch and at least one other control or switching element, in particular a further electrical microswitch , As well as the pressure actuation mechanism is connected upstream of the micro-probe and the further control or switching element and these are successively actuated.
  • Control signals for hoists are often produced in practice with specially developed buttons, the production of which is associated with a high parts, material and assembly costs. Since the force / displacement behavior of the button must be such that the operator can easily find the intended position of the thumb for the button operation with work gloves and easily maintained, on the one hand shift travel of at least about 5mm necessary and on the other hand clearly distinguishable locking positions for the fast and slow mode required.
  • a switch housing of an endoscope in which spring-loaded switching elements are arranged, which can actuate successively via a respective pressure actuation mechanism a first electrical micro-probe and a second electrical micro-switch.
  • the pressure actuation mechanism consists of a spring-loaded outer tappet and a spring-loaded in the outer ram inner tappet.
  • the first micro button can be actuated via the inner plunger and the second micro button via the outer plunger.
  • the second micro-probe is arranged with its switch plunger eccentric to the inner plunger and laterally offset from the first micro-probe.
  • a two-stage switch which consists essentially of a pressure actuation mechanism, which acts successively on two micro-probes.
  • the pressure actuation mechanism has the task of converting the usual manner of an operator with his thumb applied switching force in an axial movement, then takes place via the actuation of the microswitch.
  • the pressure actuation mechanism is designed as an axially movable outer tappet, which is biased by a spring against the switching force.
  • two inner tappets for actuating the micro-probes are arranged parallel and next to one another.
  • These inner tappets are axially displaceable in the outer tappet and mounted parallel to the direction of movement of the outer tappet and spring-biased relative to the outer tappet.
  • the length of the inner tappet is selected so that upon actuation of the outer tappet in a first switching step, the first of the two micro-switches is actuated.
  • the first micro-probe is kept pressed by the first inner plunger, the first inner plunger moves further into the outer plunger and the second inner plunger then actuates the further micro-button.
  • pole-changing drive motors with their slow or fast speed can be put into operation with these two-stage switches.
  • latching elements are provided on the outer tappet to provide defined pressure points upon actuation of the outer tappet, which correspond to the actuation of the micro-stylus.
  • the pressure actuation mechanism is protected with a flexible protective cap to the outside from the weather.
  • the present invention seeks to provide an operating device for the manual operation of lifting equipment, which ensures the safety-related requirements for a clear switching path and sufficiently high switching forces with a simple and inexpensive construction.
  • the pressure actuation mechanism consists of a relative to the electrical micro-probe and the other control or switching element spring-loaded outer tappet and a spring loaded in the outer ram mounted inner tappet and the first micro-probe of the inner tappet is actuated and the other control or switching element of the outer tappet is actuated.
  • Advantageous embodiments of the invention are specified in claims 2 to 16.
  • the switching elements Due to the inventive design of the switching elements with a separation of electrical switching and mechanical actuation, it is possible for the actual electrical switching commercial electrical switch, such as to be used on a circuit board micro-probe to use.
  • the undesirable short switching paths and low switching forces of these inexpensive standard components are compensated by the upstream pressure actuation mechanism.
  • the kinematics of the pressure actuation mechanism can be easily and inexpensively designed so that all safety-relevant switching criteria can be met.
  • the at least one further control or switching element is a micro-probe. Also, this additional, necessary for switching to high-speed switching element can thus be realized economically with a standard electrical switch.
  • the inner plunger is mounted concentrically in the outer plunger and the first micro-probe with its switch plunger concentric with the inner plunger is. This is also supported by the feature that the at least one further micro-probe with its switch plunger is arranged eccentrically to the inner plunger and laterally offset from the first micro-probe.
  • a structurally particularly advantageous embodiment of the operating device is achieved in that are arranged in a switch housing with at least a pair of switching elements for different directions of movement of the hoist, the pressure actuation mechanisms of the switching elements each have a first micro-probe and a common further control or switching element, in particular a further micro-probe , assigned.
  • the common further control or switching element is preferably arranged between the two first micro-probes.
  • the pressure actuating mechanism has a contact surface for actuating the first micro-probe and the at least one spring element between the pressure actuating mechanism and the first micro-switch is arranged, whereby the pressure actuating mechanism in the direction away from the first micro-switch, in particular its switch plunger is biased.
  • the spring force of this spring element can be set in a simple and cost-effective manner, both the switching path and the switching force.
  • a contact surface for actuating the at least one further control or switching element is formed on the outer tappet.
  • the at least one further control or switching element is a Hall sensor cooperating with a magnet for continuously controlling the movement of the hoist in the second switching stage.
  • the pressure actuation mechanisms with respect to the switch housing with a flexible protective cap are sealable to the ingress of dirt and / or moisture in the To prevent switch housing.
  • the outer plunger is provided with a circumferential and resilient latching lug which engages in the individual switching positions of the control unit with locking grooves.
  • the locking grooves are arranged in the inner wall of a socket as a circumferential annular groove and the bushing for guiding the outer tappet is mounted in the switch housing.
  • FIG. 1 A detail of embodiment of an operating device for the manual operation of hoists consists essentially of a switch housing 1 and two arranged in the switch housing 1 switching elements 2. These two switching elements 2 serve to activate the two possible different directions of movement of the hoist, namely lifting and lowering.
  • each switching element 2 of an operating device for the manual operation of lifting gear must be designed so that an actuated Switching element 2 is immediately transferred back to the switched-off basic position as soon as no more pressure is exerted on the switching element 2.
  • each switching element 2 is biased by a spring element 3 in the direction of the switched-off basic position.
  • each of the two switching elements 2 consists of an electrical first micro button 4 and an upstream pressure actuating mechanism 5, via which the first micro button 4 can be actuated.
  • the commercially available first micro-probe 4 can be soldered directly onto a circuit board.
  • a miniature switch is understood to mean a miniaturized switching element for switching signal currents with spring-loaded electrical contacts, which is switched by means of a tactile confirmation with a short stroke.
  • Micro pushbuttons are ideally suited to be mounted on electrical circuit boards automatically and take up little installation space.
  • micro-stylus 4 By this spatial separation of the actual electrical switching via the first micro-stylus 4 from mechanical switching via the pressure actuation mechanism 5, it is possible to use micro-stylus 4, which only need small switching paths and low switching forces.
  • the prescribed for safe operation handling large switching paths and well-noticeable switching forces can be easily and inexpensively generated in this embodiment via the kinematics of the micro button 4 upstream pressure actuation mechanism 5.
  • the illustrated embodiment of an operating device for the manual operation of lifting equipment is further configured so that the two switching elements 2 for lifting and lowering additionally associated with a further common micro-probe 6 via which a high-speed operation of the hoist for the respective direction of movement can be activated.
  • This common micro-probe 6 is actuated by the respective pressure actuation mechanism 5 for the desired direction of movement.
  • the pressure actuation mechanism 5 is designed so that the further micro-probe 6 can be activated in chronological order only after the activation of one of the first micro-stylus 4, that is, the hoist is so only in the slow lifting or lowering operation can be switched before by activation further Mikrotaster 6 of the high-speed is switched on.
  • the pressure actuation mechanisms 5 of the switching elements 2 each consist of a via the spring element 3 relative to the associated electrical switching means 4 of the switching element 2 prestressed outer tappet 7 and one in a bore 8 of the outer tappet 7 leader mounted inner tappet 9, wherein the inner tappet 9 is supported on a mounted in the bore 8 spring element 10 on the outer tappet 7.
  • the inner tappet 9 is mounted coaxially displaceable in the outer tappet 7.
  • the pressure actuation mechanisms 5 are sealed relative to the switch housing 1 with a flexible protective cap 11 to the outside.
  • the pressure on the outer tappet 7 of the pressure actuating mechanism 5 is transmitted and the outer tappet 7 against the restoring force of the spring element 3 in the direction of the associated electrical micro-stylus 4, in particular its switching plunger 12, the switching element. 2 emotional.
  • the inner tappet 9, which is mounted in the outer tappet 7 via the spring element 10, is taken unloaded during this movement until the inner tappet 9 starts with a contact surface 9a against the first microtaster 4 or its switch tappet 12 and this activates the electrical circuit.
  • the inner tappet 9 is in this case mounted coaxially with the switching tappet 12 of the first micro-probe 4.
  • the left in the figure, located in the switching position switching element 2 is not shown exactly in the depressed switching position. Actually, in the switching position of the inner plunger 9 with the contact surface 9a on the first micro-stylus 4, in particular its switch plunger 12 should rest.
  • the switching elements 2 are formed so that the actuation of the micro-stylus 4, 6 is interrupted immediately when no pressure is exerted on the switching elements 2.
  • micro-switch 6 by a cooperating with a magnet Hall sensor for continuous speed control of the hoist in the second switching stage.
  • control unit for the manual operation of lifting equipment is characterized by the separation of the actual electrical switching from mechanical actuation, making it possible, while maintaining all safety-related switching criteria, such as switching path and switching force, standard commercial components for forming the switching contacts, in particular the electrical Microtaster 4, 6, to use.
  • FIG. 2 is a detail of a second embodiment of an operating device for the manual operation of lifting equipment shown.
  • This operating device is essentially the same as in FIG. 1 shown and described above operating device. Therefore, the same reference numerals have been used for the same parts.
  • the outer plunger 7 which is guided in a sleeve 14 held in the switch housing 1, equipped with a concentric with the longitudinal axis of the outer plunger 7 aligned spring tongue 7b.
  • This spring tongue 7b has at its free and downwardly directed in the pressure direction end an outwardly facing locking lug 7c, which snaps in the downward movement or pressure movement of the outer tappet into one or more locking grooves 13 arranged one behind the other depending on the number of switching stages.
  • the annular locking grooves 13 are arranged correspondingly in the region of the inner wall of the bushing 14.
  • the compressive force is reduced, which must apply the operator to hold the switching position.
  • a noticeably higher force is first spend to move the latch 7b out of the locking groove 13.

Landscapes

  • Push-Button Switches (AREA)
  • Switches With Compound Operations (AREA)
  • Control And Safety Of Cranes (AREA)
  • Elevator Control (AREA)
  • Sheet Holders (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Claims (13)

  1. Appareil de commande permettant d'actionner manuellement des dispositifs de levage, ledit appareil de commande comprenant au moins un élément de commutation (2), contraint par ressort et disposé dans un boîtier d'interrupteur (1), pour chaque sens de déplacement du dispositif de levage, chaque élément de commutation (2) comportant une mécanique d'actionnement par pression (5), un premier micro-bouton électrique (4) et au moins un autre élément de commande ou de commutation, notamment un autre micro-bouton électrique (6), et la mécanique d'actionnement par pression (5) étant montée en amont du micro-bouton (4) et de l'autre élément de commande ou de commutation et ceux-ci pouvant être actionnés successivement par la mécanique d'actionnement par pression,
    la mécanique d'actionnement par pression (5) étant constituée d'un poussoir extérieur (7), contraint par ressort vis-à-vis du micro-bouton électrique (4) et de l'autre élément de commande ou de commutation, et d'un poussoir intérieur (9) monté, en étant contraint par ressort, dans le poussoir extérieur (7), et le premier micro-bouton (4) pouvant être actionné par le poussoir intérieur (9) et l'autre élément de commande ou de commutation étant un micro-bouton (6) et pouvant être actionné par le poussoir extérieur (7), l'au moins un autre micro-bouton (6) étant disposé avec son poussoir de commutation (12) excentriquement au poussoir intérieur (9) en étant décalé latéralement du premier micro-bouton (6) et au moins une paire d'éléments de commutation (2) destinés à différents sens de déplacement du dispositif de levage étant disposés dans un boîtier d'interrupteur (1) et un premier micro-bouton (4) et un autre micro-bouton commun (6) étant associés à chaque mécanique d'actionnement par pression (5) des éléments de commutation (2).
  2. Appareil de commande selon la revendication 1, caractérisé en ce que le premier micro-bouton (4) en premier puis l'au moins un autre élément de commande ou de commutation peuvent être actionnés successivement par la mécanique d'actionnement par pression (5).
  3. Appareil de commande selon la revendication 1 ou 2, caractérisé en ce que le poussoir intérieur (9) est monté concentriquement dans le poussoir extérieur (7).
  4. Appareil de commande selon l'une des revendications 1 à 3, caractérisé en ce que le premier micro-bouton (4) est disposé avec son poussoir de commutation (12) concentriquement au poussoir intérieur (9).
  5. Appareil de commande selon l'une des revendications 1 à 4, caractérisé en ce que l'autre élément de commande ou de commutation commun est disposé entre les deux premiers micro-boutons (4).
  6. Appareil de commande selon l'une des revendications 1 à 5, caractérisé en ce que la mécanique d'actionnement par pression (5) est précontrainte par au moins un élément élastique (3) dans la direction opposée au premier micro-bouton (4), notamment à son poussoir de commutation (12).
  7. Appareil de commande selon l'une des revendications 1 à 6, caractérisé en ce que la mécanique d'actionnement par pression (5) présente une surface d'appui (9a) permettant d'actionner le premier micro-bouton (4) et l'au moins un élément élastique (3) est disposé entre la mécanique d'actionnement par pression (5) et le premier micro-bouton (4).
  8. Appareil de commande selon l'une des revendications 1 à 7, caractérisé en ce qu'une surface d'appui (7a) est conformée au niveau du poussoir extérieur (7) afin d'actionner l'au moins un autre élément de commande ou de commutation (6).
  9. Appareil de commande selon l'une des revendications 1 à 8, caractérisé en ce que la mécanique d'actionnement par pression (5) peut être rendu étanche vis-à-vis de l'extérieur, au niveau du boîtier d'interrupteur (1), au moyen d'un capuchon de protection souple (11).
  10. Appareil de commande selon l'une des revendications 1 à 9, caractérisé en ce que la mécanique d'actionnement par pression (5) peut être enclenchée dans les positions de commutation individuelles par rapport au boîtier d'interrupteur (1).
  11. Appareil de commande selon la revendication 10, caractérisé en ce que le poussoir extérieur (7) est doté d'un ergot d'encliquetage (7c) périphérique élastique qui est en engagement avec des gorges d'encliquetage (13) dans les positions de commutation individuelles de l'appareil de commande.
  12. Appareil de commande selon la revendication 11, caractérisé en ce que les gorges d'encliquetage (13) sont ménagées dans la paroi intérieure d'une douille (14) sous la forme d'une gorge annulaire périphérique et la douille (14) est fixée dans le boîtier d'interrupteur (1) afin de guider le poussoir extérieur (7).
  13. Appareil de commande selon la revendication 12, caractérisé en ce que l'au moins un autre élément de commande ou de commutation est un capteur à effet Hall coopérant avec un aimant et permettant de commander progressivement le déplacement du dispositif de levage.
EP04015168A 2003-07-09 2004-06-29 Dispositif de commande manuelle pour appareils de levage Expired - Lifetime EP1496529B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10331130A DE10331130A1 (de) 2003-07-09 2003-07-09 Schalter für die Handbetätigung von Hebezeugen
DE10331130 2003-07-09

Publications (2)

Publication Number Publication Date
EP1496529A1 EP1496529A1 (fr) 2005-01-12
EP1496529B1 true EP1496529B1 (fr) 2008-02-20

Family

ID=33441691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04015168A Expired - Lifetime EP1496529B1 (fr) 2003-07-09 2004-06-29 Dispositif de commande manuelle pour appareils de levage

Country Status (7)

Country Link
US (1) US6972385B2 (fr)
EP (1) EP1496529B1 (fr)
CN (1) CN100346431C (fr)
AT (1) ATE387006T1 (fr)
DE (2) DE10331130A1 (fr)
ES (1) ES2301901T3 (fr)
HK (1) HK1073014A1 (fr)

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DE102008003913B3 (de) * 2008-01-10 2009-01-22 Demag Cranes & Components Gmbh Bedienungsgerät für die Handbetätigung von Hebezeugen sowie Werkzeug zur Montage eines Abdeckungselementes hiervon
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JP5215725B2 (ja) * 2008-05-13 2013-06-19 株式会社キトー 走行クレーンの操作制御装置、操作制御方法
DE102008057993B3 (de) 2008-11-19 2010-01-07 Demag Cranes & Components Gmbh Bedienungsgerät für die Handbetätigung von Hebezeugen
US8207805B2 (en) * 2009-03-17 2012-06-26 W. Gessmann Gmbh Push-button
CN101820122B (zh) * 2010-04-23 2012-10-03 中山市开普电器有限公司 插头
US8573450B2 (en) * 2011-08-15 2013-11-05 Techway Industrial Co., Ltd. Electrical caulking gun
US9343247B2 (en) 2011-11-17 2016-05-17 Darfon Electronics Corp. Keyswitch
TWI473134B (zh) * 2011-11-17 2015-02-11 Darfon Electronics Corp 按鍵
CN103000420B (zh) * 2012-11-28 2017-04-05 昌辉汽车电器（黄山）股份公司 一种汽车座椅加热开关
WO2015042839A1 (fr) * 2013-09-26 2015-04-02 西门子公司 Contacteurs à deux positions
CN104827062A (zh) * 2015-05-20 2015-08-12 江苏信合众泰精密机械有限公司 预防车床卡盘扳手甩出装置
US9653229B2 (en) * 2015-08-25 2017-05-16 Wistron Corporation Electronic device
DE102016117021A1 (de) 2016-09-09 2018-03-15 Nbb Holding Ag Bediengerät
DE102016117022A1 (de) 2016-09-09 2018-03-15 Nbb Holding Ag Eingabevorrichtung zum Eingeben eines Steuerbefehls und Bediengerät mit einer derartigen Eingabevorrichtung
TW201822235A (zh) * 2016-12-08 2018-06-16 致伸科技股份有限公司 多段式輸入裝置
DE102021104812B3 (de) * 2021-03-01 2022-02-17 elobau GmbH & Co.KG Stufenhubtaster

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Also Published As

Publication number Publication date
CN1577663A (zh) 2005-02-09
ES2301901T3 (es) 2008-07-01
DE502004006236D1 (de) 2008-04-03
CN100346431C (zh) 2007-10-31
EP1496529A1 (fr) 2005-01-12
DE10331130A1 (de) 2005-02-03
HK1073014A1 (en) 2005-09-16
US20050034966A1 (en) 2005-02-17
ATE387006T1 (de) 2008-03-15
US6972385B2 (en) 2005-12-06

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