EP2353171B1 - Appareil de commande pour la manipulation d'engins de levage - Google Patents

Appareil de commande pour la manipulation d'engins de levage Download PDF

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Publication number
EP2353171B1
EP2353171B1 EP09752166.0A EP09752166A EP2353171B1 EP 2353171 B1 EP2353171 B1 EP 2353171B1 EP 09752166 A EP09752166 A EP 09752166A EP 2353171 B1 EP2353171 B1 EP 2353171B1
Authority
EP
European Patent Office
Prior art keywords
switch housing
sleeve
ring
cover member
control device
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.)
Active
Application number
EP09752166.0A
Other languages
German (de)
English (en)
Other versions
EP2353171A1 (fr
Inventor
Wolfgang Krebs
Thomas BÖNKER
Giuliano Persico
Klaus-Dieter Oemus
Stefan Elspass
Anton Münzebrock
Udo Gersemsky
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
Terex MHPS 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 Terex MHPS GmbH filed Critical Terex MHPS GmbH
Publication of EP2353171A1 publication Critical patent/EP2353171A1/fr
Application granted granted Critical
Publication of EP2353171B1 publication Critical patent/EP2353171B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • 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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H2009/048—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings using a sealing boot, e.g. the casing having separate elastic body surrounding the operating member and hermetically closing the opening for it
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons

Definitions

  • the invention relates to a hand-operated control unit of a hoist, comprising at least one arranged in a switch housing switching element, the switching element comprises a protruding from the switch housing and guided in a sleeve plunger, which is covered by a cover member, wherein the sleeve through an opening in the switch housing protrudes outwardly, and the cover member is connected to the sleeve, wherein the sleeve has an outwardly extending collar which is supported in the assembled state on an outer surface of the switch housing and the sleeve via a fastening ring, which in the assembled state on an inner surface of the switch housing supported, releasably held on the switch housing.
  • the switch has a switch housing, in which a plurality of spring-loaded switching elements - for example, for the functions lifting and lowering a hoist - are arranged.
  • Each switching element consists of an electrical button and a mechanical pressure switch for its operation.
  • the mechanical pressure switch is essentially composed of a switch plunger and a sleeve. In the sleeve of the switch plunger is guided for actuation of the trained as a micro switch electrical button.
  • the switch plunger is supported on the button or a bottom of the switch housing via a spring element in the form of a spiral spring.
  • the pressure switch can be designed in one or more stages, ie, starting from an off position, the switch plunger is movable into a first on position and subsequently into at least one further on position. Accordingly, corresponding electrical push-buttons or multi-stage push buttons are then actuated via the switch plunger in each of the on positions. In the off position, the switch plunger protrudes farthest out of the sleeve and is then moved toward the sleeve to reach the first and further on positions, respectively. In the final on position, the switch plunger still protrudes out of the sleeve by a thumb of an operator.
  • the embodiment of this publication shows a section of a switch housing with two switching elements, each formed in two stages.
  • a hoist in the lifting and lowering direction and by the two-stage per switching element in a first ON position - slow speed - and a second ON position - high speed can be controlled.
  • switches are used for the control of traction drives or cranes.
  • the mechanical pressure switches are each attached via the sleeve to the switch housing.
  • each circular openings are provided in a front surface of the switch housing, in which the pressure switches are inserted from the outside. So that the pressure switches do not slip through the opening in the interior of the switch housing during assembly, the sleeves of the pressure switch at its outer end a circumferential and outwardly facing collar which comes to rest on the front surface of the switch housing.
  • the inner end of the sleeve is provided with an external thread. On the external thread a fastening ring is screwed in the manner of a nut, which comes to rest on the inside of the front surface of the switch housing and thus pulls the collar on the front surface of the switch housing.
  • the electrical buttons and pressure switches are more conveniently installed in a switch housing that is sealed to protect against external aggressions and contamination.
  • the switch housing is designed so that the switching plunger protrude from the switch housing and thus there is scope for the actuation of the push-button.
  • the switch plungers are surrounded by a flexible cover element in the manner of a protective cap, which is tightly connected to the switch housing.
  • the cover element is formed with a round connection opening. Seen in cross-section, the cover has an approximately frustoconical cross-section, wherein the smaller base rests on the switch plunger and the larger base is directed to the connection opening.
  • the cover element In the region of the connection opening, the cover element has an inwardly pointing edge which extends parallel to the smaller base surface of the cover element. This edge is dimensioned so that it has approximately the dimensions of the switch housing facing the sealing surface of the collar of the sleeve.
  • the cover element Before the push-button is inserted into the opening of the switch housing, the cover element is slipped over the collar of the sleeve, then the sleeve of the push-button inserted into the round opening of the switch housing and then tightened from the inside of the mounting ring. The edge of the cover member is thereby clamped between the front surface of the switch housing and the sealing surface of the collar and thus the opening of the switch housing tightly closed.
  • the front surface springs back in the form of an annular recess in which the outer circumference of the edge of the cover element abuts.
  • the Spanish utility model ES 101 83 51 U another switch for the manual operation of hoists known, which also have arranged in a switch housing switching elements with electrical buttons and a mechanical pressure switch.
  • the mechanical pressure switch also has a switch plunger and a sleeve in which the switch plunger is guided for actuation of the electrical button.
  • the pushbutton is here sealed with a flexible cover member relative to the switch housing.
  • the externally threaded sleeve is screwed into an opening in the front surface of the switch housing from the inside, until a sealing ring abutting an outer edge of the sleeve comes to rest on the inside of the front surface of the switch housing , Subsequently, the cover member is externally applied to the protruding from the front surface of the switch housing rest of Screwed external thread of the sleeve until the cover element comes to flat contact on the front surface of the switch housing.
  • the cover member in the region of its connection opening on an inwardly directed circumferential groove, in which a connecting ring is inserted, which has an internal thread.
  • the European patent application EP 1 345 188 A2 discloses an actuatable via a plunger indicator light.
  • the plunger carries a light-emitting diode and is sealed to the outside via a cover element.
  • an actuating attachment For attachment of the cover element is an actuating attachment with a first sleeve, which is attached to a mounting wall of the indicator light.
  • a threaded ring the cover member is screwed to the first sleeve.
  • the plunger is guided in a second sleeve, which is arranged within the first sleeve of the actuating attachment.
  • a cover element for the moisture-tight sealing of the tappet of a switching element of an aircraft, vehicle or ship.
  • the switching element has a mounting wall, on whose outer surface a sleeve-shaped shoulder is arranged with an external thread.
  • the plunger is passed through the mounting wall and the heel and thereby covered by the cover member.
  • the cover element comprises a threaded ring, via which the cover element is screwed onto the shoulder.
  • the present invention seeks to provide a hand-operated control unit of a hoist, in which the cover elements of the switching elements are easy to assemble and replace.
  • the switching element comprises a protruding from the switch housing and guided in a sleeve plunger, which is covered by a cover member, wherein the sleeve through an opening in the switch housing protrudes outwardly, and the cover member is connected to the sleeve, wherein the sleeve has an outwardly extending collar which is supported in the assembled state on an outer surface of the switch housing and the sleeve via a fastening ring, which in the assembled state on an inner surface of the switch housing supported, releasably held on the switch housing, a simple assembly and interchangeability of the cover elements of the switching elements is achieved in that the cover member is fixed to a threaded ring, the sleeve has a first external thread and a second it has external thread, the first external thread and the second external thread are separated from the collar, in the assembled state of
  • the opening of the switch housing to replace a cover member can be avoided. This opening is otherwise a special effort and must be carried out with particular care by a specialist, so that no damage to the built electrical components and the switch housing after assembly has the required sealing effect.
  • the switch To carry out this work, the switch must be dismantled at the place of use and taken to a repair workshop Cover element, the sleeve over the mounting ring securely held in the switch housing. Likewise, the switching element is securely held in the switch housing. This facilitates the assembly. Furthermore, the switching element remains functional even without cover element.
  • the switch housing no longer has to be opened, the repair can be carried out at the place of use of the operating device by removing a damaged cover element and replacing it with a new one.
  • the sleeve is secured against rotation relative to the switch housing.
  • the sleeve in the region of the collar on a radially outwardly projecting nose, which engages in a recess which is arranged in the switch housing.
  • the threaded ring of the cover element is advantageously supported in the assembled state on an outer surface of the switch housing.
  • the cover element is formed hat-shaped with a connection ring, the threaded ring is surrounded by the connection ring and a part of the connection ring between the outer surface of the switch housing and the threaded ring is clamped, whereby the sealing takes place. Furthermore, a secure bond between threaded ring and connecting ring is ensured.
  • the threaded ring may also have external teeth around the outside and the connection ring inside an internal toothing. As a result, a secure transmission of the assembly forces is achieved by the mounting tool via the connecting ring on the threaded ring.
  • the switch housing in the region of the opening for the switching element has a recess with a peripheral wall, which is opposite to a lower part of the connecting ring.
  • the cover element Since the cover element has an external profile (for example toothing) in the region of its connection ring for an assembly tool, the cover element can easily be screwed onto and detached from the sleeve.
  • the assembly tool has a corresponding inner profile (e.g., gearing) for cooperation with the outer profile.
  • the outer profile on the connection ring can be easily reached by the installation tool, since the outer profile is also arranged on the connection ring outside the region of the connection ring opposite the peripheral wall in the assembled state.
  • the required torques for the threaded ring can thus be applied safely.
  • Also can be mounted or dismounted with the mounting tool in the manner of a socket wrench a cover element, which is surrounded by adjacent switching elements and formations of the switch housing.
  • the switch housings have the formations to provide protection against accidental actuation of the switching elements. To achieve this protection, the switching elements are recessed in the formations of the switch housing in the form of wells installed. Again, the cover elements are easy to handle with the mounting tool.
  • the cover element in the region of its connection ring in the direction of the switch housing is increasingly conical.
  • the positive connection between the assembly tool and connecting ring is thus reinforced by pressing the mounting tool in the direction of the cover member.
  • the connecting ring has an internal toothing, which is in engagement with an external toothing of the threaded ring.
  • the cover element is secured to the switch housing via an adhesive or adhesive bond.
  • the Inner profile of the tool in the axial direction of actuation of the switching element is conical.
  • the cover member may be provided in each case advantageously that the tool in the manner of a socket wrench has a complementary to the outer profile of the connection ring formed inner profile that the tool surrounds the cover member during assembly, and / or that the inner profile is formed as a toothing , wherein preferably the flanks of the toothing are formed steeper in disassembly direction.
  • FIG. 1 shows a plan view of an inventive control unit 1 for the manual operation of lifting equipment.
  • the operating device 1 is used for manual control of the movements of a crane.
  • the control unit 1 is connected via a non-illustrated electrical cable with a crane control or can be wirelessly connected, for example via a radio link with the crane control.
  • a control switch control unit 1 has a total of six switching elements 2, which are installed in a switch housing 3. Of the six switching elements 2, only one flexible and cap-shaped cover element 4 can be seen in each case.
  • Each cover member 4 has a planar actuating surface 4a, preferably by a thumb of the operator is operable.
  • a symbol support member 5 is fixed, which is preferably designed as a sticker.
  • the symbol carrier element 5 is a round or square badge which is glued to the actuating surface 4a or clamped in correspondingly provided grooves.
  • the grooves are preferably endlessly encircling in order to ensure a secure hold of the symbol carrier element 5.
  • switching elements 2 are used for manual control of the drives of a crane.
  • the six switching elements 2 are arranged side by side in pairs and the resulting three pairs with each other.
  • the top two switching elements 2 serve to control the lifting and lowering of a chain or cable;
  • the middle two switching elements 2 serve to move the chain or cable along a carrier by means of a drive in two directions.
  • the upper four switching elements 2, with which the drives of the crane are controlled are designed as so-called two-stage switch, d. H.
  • d. H In addition to an off position, there is a first on position and a second on position, in which each drive can be controlled in one direction of travel in two speeds.
  • FIG. 2 shows a view of FIG. 1 along the section line II and thus the two middle switching elements 2 for the driving movement of the chain or cable in its both directions along a rail. These two switching elements 2 serve to activate the two possible different directions of movement of the hoist, namely left and right.
  • the switching elements 2 of an operating device 1 for the manual operation of lifting devices are designed so that an actuated switching element 2 is immediately transferred back to the off position as soon as no pressure is exerted on the switching element 2.
  • each switching element 2 via a Spring element 6 biased in the direction of the switched-off basic position.
  • each of the two switching elements 2 consists of an electrical first micro-switch 7 and an upstream pressure actuation mechanism 8, via which the first micro-switch 7 can be actuated.
  • the commercial first micro-probe 7 is soldered directly onto an electrical circuit board 9, which is supported in the switch housing 3.
  • a micro-stylus is understood to mean a miniaturized switching element for switching signal currents with spring-loaded electrical contacts, which is switched by short-stroke tactile confirmation. Micro pushbuttons are ideally suited to be mounted on electrical circuit boards automatically and take up little installation space.
  • micro-switches 7 which require only small switching paths and low switching forces.
  • the prescribed for a reliable operation large shift travel of at least about 5 mm, clearly distinguishable detent positions for fast and slow running and well noticeable switching forces can be easily and inexpensively generated in this embodiment via the kinematics of the micro switch 7 upstream pressure actuation mechanism 8.
  • the illustrated embodiment of an operating device for the manual operation of lifting equipment is further configured so that the pairs of upper and middle switching elements 2 in addition a further common second electrical micro button 10 is assigned, via a high-speed running movement of the chain or cable for the respective direction of movement is activatable.
  • This common second micro button 10 is actuated by the respective pressure actuation mechanism 8 for the desired direction of movement. It is of course also possible to associate each switching element 2 with its own second micro-probe 10.
  • the pressure actuation mechanism 8 is designed so that the second micro-probe 10 can be activated in chronological order only after the activation of one of the first micro-switches 7, that is, the hoist only in the slow Lifting or lowering operation or driving operation can be switched before the high-speed operation can be switched on by activating the second micro-push button 10.
  • the pressure actuation mechanisms 8 of the switching elements 2 each consist of a via the spring element 6 relative to the associated electrical switching means in the form of first micro-switch 7 of the switching element 2 prestressed plunger 11 and a guide 12 mounted in a bore 12 of the plunger inner plunger 13, wherein the inner plunger 13 is supported via a bore 12 mounted in the spring element 14 on the plunger 11.
  • the inner plunger 13 is mounted coaxially displaceable in the plunger 11.
  • this pressure causes the spring element 14 to be compressed via the inner plunger 13 bearing against the first micro button 7, so that the plunger 11 is further pressed against the restoring force of the spring element 6 into the switch housing 3 is until a contact surface 11 a of the plunger 11 starts against the switch plunger 15 of the second micro-probe 10 and so activates the high-speed.
  • the pressure actuation mechanisms 8 are opposite to the switch housing 3 with the already in FIG. 1 shown flexible cover member 4 sealed in the manner of a protective cap to the outside.
  • the cover element 4 is a hat-shaped or truncated cone-shaped part with a planar actuating surface 4a, to which a circumferential and conically widening in the direction of the switch housing 3 side wall 4b made of elastic plastic connects.
  • the actuating surface 4a is formed as a circular, hard cover made of plastic or metal and intimately connected to the material of the side wall 4b and rests on the plunger 11 of the pressure actuation mechanism 8.
  • the actuating surface 4a receives the actuating force when pressing the pressure actuation mechanism 8 and its plunger 11, and is at the same time carrier for the symbol carrier element 5, with which the control command associated with the switching element 2 is symbolized.
  • the cover element 4 has at its the actuating surface 4a opposite end a circular connection opening 16 which is bounded by a circumferential connection ring 4c.
  • the connecting ring 4c adjoins the end of the side wall 4b opposite the actuating surface 4a and extends inwardly in the direction of the connection opening 16 from the side wall 4b.
  • the connecting ring 4c thus forms a planar annular sealing surface 4d facing the switch housing 3 and an opposite one also flat annular and the switch housing 3 remote terminal surface 4e.
  • the sealing surface 4d and the connecting surface 4e are opposite and are facing away from each other.
  • connection ring 4c encloses a U-shaped or L-shaped threaded ring 17, which has a substantially rectangular cross-section and on its inner circumference has an internal thread 17a.
  • the threaded ring 17 is positively received and held in the elastic terminal ring 4c of the cover member 4.
  • the switching elements 2 in the switch housing 3 six circular openings 18 are arranged in a front surface 3a of the switch housing, in which the pressure actuating mechanism 8 is inserted from the outside.
  • the pressure actuation mechanism 8 has for this purpose a cylindrical sleeve 19, in the the plunger 11 is slidably guided and held between its end positions.
  • the sleeve 19 is not pushed from the outside through the respective opening 18, this has in the central region a circumferential and annular collar 19a.
  • the sleeve 19 radially outwardly extending collar 19a thus forms a second annular surface 19b, which comes in the installed state of the switching element 2 on the outer surface 3c of the front surface 3a, which limits the opening 18 for the sleeve 19, for conditioning.
  • the region of the sleeve 19 which adjoins the collar 19a and extends inwards over the inner surface 3b of the front surface 3a of the switch housing 3 has a first external thread 19c.
  • the sleeve 19 is therefore at the same time a housing bushing for the plunger 11.
  • On the first external thread 19c of the sleeve 19 is a mounting ring 23 with its internal thread 23a.
  • the fastening ring 23 is stepped in cross-section and divides into a first ring portion 23 c and a second ring portion 23 d (see FIG. 3 ).
  • the first ring portion 23c has a smaller diameter than the second ring portion 23d.
  • the diameter of the first ring portion 23 c is selected so that its internal thread 23 a to the first external thread 19 c of the sleeve 19 fits. Furthermore, the diameter of the second ring section 23d is selected such that its contact surface 23b is opposite the connection ring 4c of the cover element 4 and rests against the inner surface 3b of the switch housing 3 along its entire circumference. A recess 25 for a nose 24 is thus only slightly covered.
  • the region of the sleeve 19 which adjoins the collar 19a and which projects outward beyond the outer surface 3c of the front surface 3a of FIG Switch housing 3 also extends, a second external thread 19d.
  • the cover member 4 is screwed with its threaded ring 17.
  • the sealing surface 4d of the connection ring 4c is pressed onto the outer surface 3c of the switch housing 3, and the threaded ring 17 is pressed onto the connection surface 4e of the connection ring 4c.
  • the sealing surface 4d of the terminal ring 4c, the outer surface 3c of the switch housing 3, the pressing surface of the threaded ring 17 and the terminal surface 4e of the terminal ring 4c are respectively aligned substantially parallel to each other.
  • the opening 18 is thus sealed by the cover member 4 with the threaded ring 17.
  • FIG. 3 shows an enlarged detail of FIG. 2 From the area of the left switching element 2 and the associated cover element 4 with the threaded ring 17. From this enlargement is better seen that the front surface 3a of the switch housing 3 in the region of the openings 18 for the switching elements 2 circular and at the edge of the openings 18th has subsequent recesses 20 which are delimited by a circumferential wall 3d, which extends at right angles and upwards from the outer surface 3c.
  • the inner diameter of the recesses 20 is dimensioned such that it is approximately equal to or slightly larger, ie up to about 1 mm, preferably 0.15 mm, than the outer diameter of the connecting ring 4c. This small clearance effectively prevents the terminal ring 4c from slipping under the threaded ring 17.
  • the depth of the recess 20 is selected so that about half of the connecting ring 4c protrudes from the recess 20 upwards.
  • the front surface 3a of the switch housing 3 is provided with a circumferential, trapezoidal projection 22, which "digs" from below during assembly in the cover member 4 in the region of the sealing surface 4d, so that the cover member 4 is fixed horizontally in position.
  • the threaded ring 17 seen in the longitudinal direction of the sleeve 19 at its top and its underside each have a radially circumferential groove 17c, which has a rounded trapezoidal cross-section.
  • protruding out of the sealing surface 4d of the cover element 4 is a complementarily formed bead 4i with a rounded trapezoidal cross section, which engages in the assembled state of the cover element 4 in the groove 17c of the threaded ring 17 in a form-fitting manner.
  • the cover element 4 is secured to the switch housing 3 via an adhesive or adhesive bond.
  • an adhesive or adhesive connection between the sealing surface 4 d of the cover member 4 and the outer surface 3 c of the switch housing 3 is provided.
  • FIG. 4 shows a detailed perspective view of a cover member 4 and a section of a front surface 3a of a switch housing 3 together with a mounting tool 21. It can be seen that the connection ring 4c is formed in its upper region not surrounded by the wall 3d of the recess 20 with an outer profile 4f.
  • the assembly tool 21 has, in the manner of a socket wrench to the outer profile 4f complementarily formed inner profile 21a to the cover member 4 easy to unscrew the second external thread 19d of the sleeve 19 and to be able to solve for an exchange again.
  • the sleeve 19 has a nose 24 (see FIG. 4 ) adjacent to the collar 19 a, which engages to prevent rotation in a corresponding recess 25 on the switch housing 3 in the region of the opening 18.
  • the nose 24 is in the plan view, that is seen in the longitudinal direction of the sleeve 19, formed triangular and extends with its tip radially outward from the sleeve 19 away.
  • the nose 24 projects many times more out of the surface of the sleeve 19.
  • the nose 24 adjoins the recess 25.
  • the recess 25 has a shape complementary to the nose 24 on, so that the nose 24 is held almost positively in the recess 25. In order to facilitate the assembly, a clearance in the form of a gap remains between the nose 24 and the recess 25.
  • the assembly tool 21 is preferably made of plastic by injection molding and is coaxial with the operating direction of the switching element 2 with only a small footprint placed on the cover member 4. Thus, the assembly is easily possible even with side by side in recesses 20 arranged switching elements 2.
  • the inner profile 21 a and the outer profile 4 f are conically formed in the axial direction of actuation of the switching element 2 in order to reinforce the transferable with the mounting tool 21 in the circumferential direction forces by axial pressure can.
  • the inner profile 21 a and the outer profile 4f are formed as toothings, wherein preferably the flanks of the toothing in the disassembly direction formed steeper, in order to be able to apply a larger force with the mounting tool 21 during disassembly of the cover elements 4.
  • FIG. 4 can be seen that the threaded ring 17 outside circumferentially an external toothing 17b and the connecting ring 4c inside an internal toothing 4g. As a result, a secure transmission of the assembly forces is achieved by the mounting tool 21 via the connecting ring 4c on the threaded ring 17.
  • the second micro-probe 10 by a cooperating with a magnet Hall sensor for continuous speed control of the drives of a hoist in the second switching stage. From the DE 44 12 557 C2 Such a special component for converting the actuation path into an electrical signal is known.

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  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)

Claims (11)

  1. Appareil de commande (1) actionnable manuellement destiné à un engin de levage, ledit appareil de commande comportant au moins un élément de commutation (2) disposé dans un boîtier de commutateur (3), l'élément de commutation (2) comportant une tige de poussée (11) guidé dans un manchon (19), saillant du boîtier de commutateur (3) et recouvert par un élément de recouvrement (4), le manchon (19) saillant vers l'extérieur par une ouverture (18) ménagée dans le boîtier de commutateur (3), et l'élément de recouvrement (4) étant raccordé au manchon (19), le manchon (19) comportant un rebord (19a) s'étendant vers l'extérieur et s'appuyant à l'état monté sur une surface externe (3c) du boîtier de commutateur (3) et le manchon (19) étant maintenu de manière amovible au boîtier de commutateur (3) à l'aide d'une bague de fixation (23) qui s'appuie à l'état monté sur une surface interne (3b) du boîtier de commutateur (3), caractérisé en ce que l'élément de recouvrement (4) est fixé à une bague filetée (17), en ce que le manchon (19) comporte un premier filetage externe (19c) et un second filetage externe (19d), en ce que le premier filetage externe (19c) et le second filetage externe (19d) sont séparés l'un de l'autre par le rebord (19a), en ce que à l'état monté la bague de fixation (23) est en prise avec le premier filetage externe (19c) et, à l'état monté, la bague filetée (17) est en prise avec le second filetage externe (19d) et en ce que le rebord (19a) porte à l'état monté sur une surface externe (3c) du boîtier de commutateur (3).
  2. Appareil de commande selon la revendication 1, caractérisé en ce que le manchon (19) est empêché de tourner par rapport au boîtier de commutateur (3).
  3. Appareil de commande selon la revendication 2, caractérisé en ce que le manchon (19) comporte dans la région du rebord (19a) un ergot saillant radialement vers l'extérieur (24) et s'engageant dans un évidement (25) ménagé dans le boîtier de commutateur (3).
  4. Appareil de commande selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la bague filetée (17) de l'élément de recouvrement (4) s'appuie à l'état monté sur une surface externe (3c) du boîtier de commutateur (3).
  5. Appareil de commande selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'élément de recouvrement (4) est conformé en chapeau doté d'une bague de raccordement (4c), en ce que la bague filetée (17) est entourée par la bague de raccordement (4c) et en ce qu'une partie de la bague de raccordement (4c) est enserrée entre la surface externe (3c) du boîtier de commutateur (3) et la bague filetée (17).
  6. Appareil de commande selon la revendication 5, caractérisé en ce que le boîtier de commutateur (3) comporte dans la région de l'ouverture (18) destinée à l'élément de commutation (2) un évidement (20) doté d'une paroi périphérique (3d) opposée à une partie inférieure de la bague de raccordement (4c).
  7. Appareil de commande selon l'une des revendications 1 à 6, caractérisé en ce que l'élément de recouvrement (4) comporte dans la région de sa bague de raccordement (4c) un profil externe (4f) destiné à un outil de montage (21).
  8. Appareil de commande selon la revendication 7, caractérisé en ce que le profil externe (4f) est disposé au niveau de la bague de raccordement (4c) à l'extérieur de la région de la bague de raccordement (4c) qui est opposée à la paroi périphérique (3d).
  9. Appareil de commande selon l'une des revendications 1 à 8, caractérisé en ce que l'élément de recouvrement (4) est conformé dans la région de sa bague de raccordement (4c) en cône s'évasant en direction du boîtier de commutateur (3).
  10. Appareil de commande selon l'une des revendications 5 à 9, caractérisé en ce que la bague de raccordement (4c) comporte une denture interne en prise avec une denture externe de la bague filetée (17).
  11. Appareil de commande selon l'une quelconque des revendications 1 à 10, caractérisé en ce que l'élément de recouvrement (4) est fixé au boîtier de commutateur (3) à l'aide d'une liaison par collage ou par adhérence.
EP09752166.0A 2008-11-19 2009-11-09 Appareil de commande pour la manipulation d'engins de levage Active EP2353171B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008057993A DE102008057993B3 (de) 2008-11-19 2008-11-19 Bedienungsgerät für die Handbetätigung von Hebezeugen
PCT/EP2009/064859 WO2010057805A1 (fr) 2008-11-19 2009-11-09 Appareil de commande pour la manipulation d'engins de levage

Publications (2)

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EP2353171A1 EP2353171A1 (fr) 2011-08-10
EP2353171B1 true EP2353171B1 (fr) 2015-01-07

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EP09752166.0A Active EP2353171B1 (fr) 2008-11-19 2009-11-09 Appareil de commande pour la manipulation d'engins de levage

Country Status (8)

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US (1) US8575503B2 (fr)
EP (1) EP2353171B1 (fr)
JP (1) JP5526144B2 (fr)
KR (1) KR20110087314A (fr)
CN (1) CN102217018B (fr)
DE (1) DE102008057993B3 (fr)
ES (1) ES2532962T3 (fr)
WO (1) WO2010057805A1 (fr)

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DE102016117021A1 (de) 2016-09-09 2018-03-15 Nbb Holding Ag Bediengerät
CN206834097U (zh) * 2017-04-13 2018-01-02 广东远峰电子科技股份有限公司 启动按钮仓及使用其的智能头盔
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EP3613691B1 (fr) * 2018-08-20 2021-10-27 Inventio AG Panneau de commande d'entretien et commande d'ascenseur permettant de commander de manière contrôlée le freinage des mouvements de déplacement d'une cabine d'ascenseur

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Also Published As

Publication number Publication date
WO2010057805A1 (fr) 2010-05-27
CN102217018B (zh) 2014-04-02
JP5526144B2 (ja) 2014-06-18
US20110240447A1 (en) 2011-10-06
US8575503B2 (en) 2013-11-05
CN102217018A (zh) 2011-10-12
KR20110087314A (ko) 2011-08-02
DE102008057993B3 (de) 2010-01-07
ES2532962T3 (es) 2015-04-06
JP2012509553A (ja) 2012-04-19
EP2353171A1 (fr) 2011-08-10

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