EP3384164B1 - Dispositif de surveillance pour tourelle revolver - Google Patents

Dispositif de surveillance pour tourelle revolver Download PDF

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Publication number
EP3384164B1
EP3384164B1 EP16801136.9A EP16801136A EP3384164B1 EP 3384164 B1 EP3384164 B1 EP 3384164B1 EP 16801136 A EP16801136 A EP 16801136A EP 3384164 B1 EP3384164 B1 EP 3384164B1
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EP
European Patent Office
Prior art keywords
pressure
displacement piston
control device
monitoring device
piston
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
EP16801136.9A
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German (de)
English (en)
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EP3384164A1 (fr
EP3384164C0 (fr
Inventor
Steffen Giesler
Steffen NIXDORF
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.)
Kolibri Beteiligungs GmbH and Co KGaA
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Kolibri Beteiligungs GmbH and Co KGaA
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.)
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Publication date
Application filed by Kolibri Beteiligungs GmbH and Co KGaA filed Critical Kolibri Beteiligungs GmbH and Co KGaA
Publication of EP3384164A1 publication Critical patent/EP3384164A1/fr
Application granted granted Critical
Publication of EP3384164B1 publication Critical patent/EP3384164B1/fr
Publication of EP3384164C0 publication Critical patent/EP3384164C0/fr
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Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
    • F15B11/072—Combined pneumatic-hydraulic systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2838—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT with out using position sensors, e.g. by volume flow measurement or pump speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating valves
    • F15B2211/40569—Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged downstream of the flow control means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
    • F15B2211/41536—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve being connected to multiple ports of an output member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure

Definitions

  • the invention relates to a monitoring device for determining at least one position of a displacement piston with the features in the preamble of claim 1.
  • displacement pistons which can be moved under pressure and controlled by a pressurized fluid control device, are used in tool turrets to carry out switching operations. This can involve locking the rotational movement of the turret relative to the housing or the actuation of a sliding clutch between a motor drive device and a machining tool to be driven.
  • the document DE 41 16 774 C1 shows an example of a tool turret in which, to lock the rotational movement of the turret relative to the housing, coaxial Hirth toothings are provided on this and on the turret head, with which a toothing on a displacement piston which is pressure-operated comes into engagement for locking purposes.
  • the document DE 10 2009 042 772 A1 discloses a drive device in a tool turret, in which, for switching a sliding clutch, the drive shaft of the clutch forms a displacement piston which is hydraulically movable for the switching operations of the clutch.
  • the US 5,778,753 describes a monitoring device for determining at least one position of a displacement piston with the features in the preamble of claim 1 with a housing, a pressurized fluid control device, a pressure detection device and the displacement piston, which is guided in the housing in a longitudinally movable manner and delimits at least one fluid space with a variable volume in the housing , which can be connected to the pressure fluid control device via a pressure supply connection, wherein a volume flow control device is provided, and wherein between the pressure fluid control device and a measuring connection of the associated fluid space of the displacement piston, the volume flow control device and, following this in the direction of the measuring connection, the Pressure detection device are connected, which emits a measurement signal at least when the displacement piston has reached a predeterminable end position in the housing, the pressure detection device being formed from a pressure switch which emits the measurement signal as soon as the displacement piston closes the measurement connection in the associated fluid space, and wherein the volume flow -Control device is formed from at least one aperture.
  • the DE 1 576 070 A1 , the DE 10 2012 019 863 A1 and the WO 2005/ 024245 A1 describe further monitoring devices.
  • the object of the invention is to provide a monitoring device of the type mentioned at the beginning To provide which, with a compact design, enables the monitoring of at least one piston end position in a simple manner.
  • an essential special feature of the invention is that the volume flow control device is formed from the orifice and a pressure reducing valve connected downstream in the direction of the measuring connection.
  • a volume flow control device and, following this in the direction of the measuring port, a pressure detection device are connected, which emits a measurement signal at least when the displacement piston has a predeterminable end position reached in the housing.
  • Fluidic detection in which the already existing pressurized fluid control device is part of the monitoring device and proximity switches are eliminated, simplifies the construction effort and reduces the space requirement.
  • measuring connections with associated pressure detection devices preferably provided on the spaces on both sides of the piston, both opposite end positions of the piston can be detected.
  • the solution according to the invention is preferably used in tool turrets or tool disks, as are usually used in machine tools for machining. Further applications include milling spindles, rotary tables and the like, wherever monitoring of fluidically controllable actuating cylinders is required, especially with regard to their end position.
  • the volume flow control device is formed from at least one orifice with a pressure reducing valve connected downstream in the direction of the measuring port, and the pressure detection device consists of a pressure switch that emits a measuring signal as soon as the displacement piston closes the measuring port in the assignable fluid space.
  • the volume flow control device is designed for a very low volume flow, which is supplied by the pressure fluid control device to the respective measuring port, which is closed by the piston at a relevant end position, which leads to a pressure increase in the relevant measuring line leading to the measuring port , through which the associated pressure switch switches.
  • a spring-loaded check valve can advantageously be connected between the pressure detection device and the assignable measuring connection, which opens in the direction of the measuring connection and only has a low closing pressure, preferably less than 1 bar, preferably 0.5 bar.
  • the measuring line is secured against the actuation pressure prevailing in the fluid space and moving the piston away from the measuring connection.
  • the arrangement can advantageously be such that the fluid space with the measuring connection is connected to a pressure supply connection of the pressure fluid control device, via which the pressure fluid flows to a pressure sink or tank as soon as the displacement piston moves in the direction of the measuring connection.
  • the displacement piston delimits two fluid spaces in the housing, each of which adjoins one side of the piston and which are both connected to a pressure detection device.
  • the displacement piston can thereby be actuated hydraulically by pressure supply connections of the pressure fluid control device for its displacement movements in both directions.
  • one fluid space can be controlled hydraulically and the other fluid space of the displacement piston can be controlled pneumatically, preferably supported by an energy storage device such as a compression spring.
  • the respective pressure fluid control device can have at least one control valve between at least one pressure supply source and the fluid space of the displacement piston that can be acted upon hydraulically.
  • pressure supply sources are provided which feed a pneumatic medium and/or hydraulic medium into the supply circuit for the displacement piston.
  • the displacement piston the positions of which can be determined by means of the monitoring device, can be part of a Hirth toothing of the locking device between the tool turret and the housing or can be part of a tool coupling, via which a motorized tool drive can be coupled to a machining tool on a tool turret.
  • The. Fig. 1 shows the fluid circuit for a first embodiment of the monitoring device according to the invention, with a respective displacement piston 1 with its two piston sides delimiting a fluid space 3 and 5 in the housing 7 of a tool turret, which is closed except for inflows and outflows.
  • a respective displacement piston 1 By supplying hydraulic pressure fluid into the fluid space 3, the piston 1 is moved from the intermediate position shown to the right an end position can be moved, which, if the piston 1 forms part of a locking device, corresponds to the locking state between the turret and the housing.
  • the piston 1 By building up hydraulic pressure in the fluid space 5, the piston 1 can be moved to the left into an end position, which in this case corresponds to the unlocking state.
  • a supply connection 9 is provided on the fluid space 3 and a supply connection 11 on the fluid space 5, each of which is connected to a pressurized fluid control device 13.
  • a measuring connection 17 is provided on the fluid space 3 and a measuring connection 15 is provided on the fluid space 5.
  • These measuring ports 15, 17 can each be closed by the piston 1, preferably in a sealing manner, when it reaches the corresponding end position, ie the piston 1 closes the measuring port 15 when it reaches the locking position and closes the measuring port 17 when it reaches the unlocking position.
  • the pressurized fluid control device 13 has an electrically operated 4/2-way valve 19 with useful connections A and B, a pressure connection P and a tank connection T as a pressure sink.
  • the useful connection A is connected to the supply connection 9 of the fluid space 3 via a supply line 21, and the useful connection B is connected to the supply connection 11 on the fluid space 5 via a supply line 23.
  • a pressure supply unit is connected to the pressure connection P of the directional control valve 19, which has an electric motor-driven hydraulic pump 25 in the manner usual with such supply units, which provides the working pressure for a pressure line 27 leading to the pressure connection P of the directional control valve 19.
  • a hydropneumatic pressure accumulator 29 is connected to its fluid side, the gas side of which is preloaded with 40 bar, for example, in accordance with the working pressure intended for the pressure line 27.
  • a filter 31 which adjoins the pressure side of the hydraulic pump 25, a check valve 27 opening in the direction of the pressure line 27 and a pressure control valve 35 which secures the pressure line 27 against the tank and is set to a pressure of, for example, 50 bar.
  • both fluid spaces 3 and 5 are connected as pressure spaces via their supply connections 9 and 11 and the associated supply lines 21 and 23 to the useful connections A and B of the directional control valve 19.
  • both measuring ports 15 and 17 are each connected to the pressure fluid control device 13 via a measuring line in such a way that the measuring port 15 is connected to the useful port A via a measuring line 41 and the measuring port 17 is connected to the useful port B of the directional control valve 19 via a measuring line 43 are.
  • a volume flow control device 45, a pressure switch 47 and a check valve 49 are arranged in succession in the direction of the respective measuring connection 15 or 17.
  • the volume flow control devices 45 are each formed by a diaphragm 50 and a pressure reducing valve 51 connected downstream of it in the direction of the respective measuring connection 15 or 17.
  • the check valve 49 which is connected directly to the respective measuring connection 15 and 17 in the course of the measuring lines 41 and 43 and opens in the direction of the measuring connection 15, 17, is set to a low closing pressure of, for example, 0.5 bar.
  • the volume flow control devices 45 are designed in such a way that only an extremely small volume flow flows to the associated measuring connection 15, 17 in the measuring lines 41 and 43 when the check valve 49 is open. There is no significant difference here either Pressure builds up on the side of the measuring ports 15, 17, since when the piston 1 is moved, fluid can flow out directly from the respective chamber 3, 5 via the lines 9 and 11.
  • the Fig. 1 shows a state in which the directional control valve 19 connects the pressure port P with the useful port B, so that the working pressure supplies the fluid space 5 with working pressure via the supply line 23 and the supply port 11.
  • the check valve 49 is locked, the displacement piston 1 moves towards the unlocking position (in Fig. 1 to the left), whereby the fluid volume located in the fluid space 3 is displaced from the supply connection 9 via the supply line 21 to the useful connection A of the directional control valve 19 and flows out from there via the tank connection T, which serves as a pressure sink and is connected to the tank via a check valve 52 .
  • the check valve 49 connected to the measuring connection 17 is open. However, as soon as the piston 1 reaches its locking end position, it closes the measuring connection 17, which leads to a pressure increase in the measuring line 43, through which the pressure switch 47 switches and delivers a position signal for the locking end position.
  • the locking end position is detected in a corresponding manner when the directional control valve 19 is switched from the in Fig. 1 switching state shown, whereby the in Fig. 1
  • the displacement movement of the piston 1 to the right closes the measuring connection 15 and the increase in pressure in the measuring line 41 causes the switching process of the pressure switch 47, so that the locking end position is signaled.
  • the pressure fluid control device 13 is designed as in the first embodiment, as is the measuring line 41, which leads from the useful connection A of the directional control valve 19 to the measuring connection 15 on the fluid space 5, the supply connection 11 of which, as in the first embodiment, is connected via the supply line 23 to the Useful connection B of the directional control valve 19 is connected.
  • a pneumatic supply 56 is provided, which is connected to the measuring line 43 leading to the measuring connection 17.
  • This pneumatic supply has an electrically operated 2/2-way valve 54, via which the measuring line 43 can be connected to an output line 55 of a source, not shown, for a pneumatic pressure in the range of 2 to 6 bar.
  • the measuring line 43 has a diaphragm 50 and, downstream of this in the direction of the measuring connection 17, a pressure switch 47.
  • the other measuring line 41 associated with the fluid space 5 is designed as in the first embodiment.
  • the Figures 3 to 8 illustrate the use of the first embodiment of the monitoring device according to the invention for detecting the switching states of the locking device by means of the turret 58 of a tool turret can be locked in selected rotational positions relative to the housing 7.
  • the locking device of the tool turret has, in a known manner, on the turret 58 a toothed ring 59 which is concentric to the axis of rotation of the turret 58 and in the form of a radial toothing, a so-called Hirth toothing.
  • a second toothed ring 60 also with Hirth toothing, is formed on the housing 7, concentric and aligned with this.
  • the displacement piston 1 is provided as a locking part, which also has a toothed rim 62 in the form of a Hirth toothing, which comes into engagement with the toothed rims 59, 60 in the locking position.
  • the displacement piston 1 is shown in its unlocking end position lifted from the toothed rims 59, 60.
  • the piston 1 is guided in an annular body 63 of the housing 7 and is sealed from it by sealing rings 64 and 65, so that the fluid spaces 3 and 5 which enable the pressure actuation are formed on both axially opposite sides of the piston 1.
  • the Figures 3 and 4 show a channel 66 running in the housing 7, which forms the supply line 21 for the fluid supply to the supply connection 9 of the fluid space 3.
  • the Figures 5 and 6 show a channel 67 in the housing 7, which forms the supply line 23 for the fluid supply to the supply connection 11 of the fluid space 5.
  • the tool disk which is provided with a tool holder in the usual way, is not shown.
  • the turret 58 has a radially projecting annular flange 69, which forms a contact surface 70 on which the tool disk, not shown, is attached.
  • the rotary bearing for the turret 58 has a radial bearing 72 on a guide part 71 which projects radially from the housing 7 and is overlapped by the turret 58.
  • the external pressure fluid control device 13 to which the channels 66 and 67 forming the supply lines 21 and 23 lead, is shown in the partial representations Figures 3 to 8 not shown, as are the volume flow control devices 45, which are connected together with the associated pressure switch 47 and check valve 49 to the measuring ports 15 and 17 of the fluid spaces 5 and 3, respectively.
  • These measuring connections 15 and 17 are in the Figures 7 and 8 shown. From this shows the Fig. 7 the measuring connection 17 located on the fluid space 3, which is closed when the piston 1 is in the unlocking end position shown in this figure.
  • a measuring channel is designated 73, which leads from the measuring connection 17 to the check valve 49 of the associated measuring line 43.
  • the Fig. 9 clarifies the use of the second embodiment ( Fig. 2 ) the monitoring device according to the invention for detecting the engagement state and the disengagement state of a sliding clutch, via which an electric motor drive can be coupled to a machining tool in a tool turret.
  • the sliding clutch has an axially displaceable clutch hub 76, which is in Fig. 9 is shown in its disengaged position, into which it is pushed back against the force of the compression spring 53 acting on it. This displacement force is caused by pressure actuation of the displacement piston 1, which is guided in an annular body 79 forming a cylinder liner.
  • the piston 1 is sealed relative to the annular body 79 and the coupling hub 76 by means of seals 80 and 81, so that the fluid space 5 has a pressure space on the outside of the piston forms the piston 1 in. by supplying pressure via the supply connection 11 Fig. 9 moved downwards and the clutch hub 76 together with its roller bearing 83, which is gripped by the piston 1, is moved downwards into the disengagement position.
  • the piston 1 closes the measuring connection 17 located on its underside.
  • the compression spring 53 moves the coupling hub 76 with the piston 1 in Fig. 9 upwards, so that the piston 1 closes the measuring port 15 with a step 87 delimiting the fluid space 5 and thereby generates the pressure signal through which the pressure switch 47 closes and signals the engagement state.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Gripping On Spindles (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Measuring Fluid Pressure (AREA)

Claims (8)

  1. Dispositif de contrôle pour la constatation d'au moins une position d'un piston (1) de déplacement, comprenant une enveloppe (7), un dispositif (13) de commande à fluide sous pression, un dispositif (47) de constatation de la pression et le piston (1) de déplacement, qui est guidé, avec possibilité de se déplacer longitudinalement, dans l'enveloppe (7) et qui délimite dans l'enveloppe (7) au moins un espace (3, 5) pour du fluide de volume variable, qui peut, par un raccord (9, 11) d'alimentation en pression, communiquer avec le dispositif (13) de commande à fluide sous pression,
    dans lequel il est prévu un dispositif (45) de réglage du courant en volume,
    dans lequel il est monté, entre le dispositif (13) de commande à fluide sous pression et un raccord (15, 17) de mesure de l'espace (5, 3) de fluide attribué du piston (1) de déplacement, le dispositif (45) de réglage du courant en volume et, en suivant celui-ci dans la direction du raccord (15, 17) de mesure, le dispositif (47) de constatation de la pression, qui donne le signal de mesure, au moins lorsque le piston (1) de déplacement a atteint une position d'extrémité pouvant être donnée à l'avance dans l'enveloppe (7),
    dans lequel le dispositif (47) de constatation de la pression est formé d'un interrupteur (47) à pression, qui donne un signal de mesure, dès que le piston (1) de déplacement ferme le raccord (15, 17) de mesure de l'espace (3, 5) fluide attribué, et
    dans lequel le dispositif (45) de réglage du courant en volume est formé d'au moins un diaphragme (50),
    caractérisé
    en ce que le dispositif (45) de réglage du courant en volume est formé du diaphragme (50) et d'un détendeur (51) monté en aval dans la direction du raccord (15, 17) de mesure.
  2. Dispositif de contrôle suivant la revendication 1, caractérisé en ce qu'il monté, entre le dispositif (47) de constatation de la pression et le raccord (15, 17) de mesure associé, un clapet (49) antiretour soumis à l'action d'un ressort, qui s'ouvre dans la direction du raccord (15, 17) de mesure et n'a qu'une pression de fermeture petite, de préférence plus petite que 1 bar, d'une manière particulièrement préférée que 0,5 bar.
  3. Dispositif de contrôle suivant la revendication 1 ou 2, caractérisé en ce que l'espace (3, 5) pour du fluide ayant le raccord (15, 17) de mesure est raccordé à un raccord (A, B) d'alimentation en pression du dispositif (13) de commande à fluide sous pression, par lequel le fluide sous pression s'écoule vers un puits (T) de pression, dès que le piston (1) de déplacement se déplace dans la direction du raccord (15, 17) de mesure.
  4. Dispositif de contrôle suivant l'une des revendications précédentes, caractérisé en ce que le piston (1) de déplacement délimite, dans l'enveloppe (7), deux espaces (3, 5) pour du fluide, qui sont raccordés tous deux à un dispositif (47) de constatation de la pression.
  5. Dispositif de contrôle suivant l'une des revendications précédentes, caractérisé en ce que le respectivement un espace (5) pour du fluide peut être commandé hydrauliquement et l'autre espace (3) pour du fluide du piston (1) de déplacement peut être commandé pneumatiquement en étant assisté de préférence par un accumulateur d'énergie comme un ressort (53) de compression.
  6. Dispositif de contrôle suivant l'une des revendications précédentes, caractérisé en ce que le dispositif (13) de commande à fluide sous pression a au moins une soupape (19) de commande entre au moins une source (27) d'alimentation en pression du dispositif (13) de commande à fluide sous pression et l'espace (3, 5) pour du fluide, pouvant être alimenté hydrauliquement, du piston (1) de déplacement.
  7. Dispositif de contrôle suivant l'une des revendications précédentes, caractérisé en ce qu'il est prévu des sources (56 ; 27) respectives d'alimentation en pression, qui envoient un milieu pneumatique et/ou un milieu hydraulique dans le circuit d'alimentation pour le piston (1) de déplacement.
  8. Dispositif de contrôle suivant l'une des revendications précédentes, caractérisé en ce que le piston (1) de déplacement fait partie d'une denture (62) Hirth ou d'un accouplement (76) d'outil dans le domaine d'application de tourelles révolver.
EP16801136.9A 2015-12-03 2016-11-23 Dispositif de surveillance pour tourelle revolver Active EP3384164B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015015858.9A DE102015015858A1 (de) 2015-12-03 2015-12-03 Überwachungseinrichtung für Werkzeugrevolver
PCT/EP2016/001975 WO2017092856A1 (fr) 2015-12-03 2016-11-23 Dispositif de surveillance pour tourelle revolver

Publications (3)

Publication Number Publication Date
EP3384164A1 EP3384164A1 (fr) 2018-10-10
EP3384164B1 true EP3384164B1 (fr) 2024-02-14
EP3384164C0 EP3384164C0 (fr) 2024-02-14

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Application Number Title Priority Date Filing Date
EP16801136.9A Active EP3384164B1 (fr) 2015-12-03 2016-11-23 Dispositif de surveillance pour tourelle revolver

Country Status (5)

Country Link
US (1) US10641299B2 (fr)
EP (1) EP3384164B1 (fr)
CN (1) CN108291562B (fr)
DE (1) DE102015015858A1 (fr)
WO (1) WO2017092856A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102017128888A1 (de) * 2017-12-05 2019-06-06 Endress+Hauser Conducta Gmbh+Co. Kg Wechselarmatur und Verfahren zum Detektieren einer Endlage einer Wechselarmatur
US11547057B2 (en) * 2020-04-22 2023-01-10 Deere & Company Hydraulic dampening system for a rear gate of a round baler

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EP3384164A1 (fr) 2018-10-10
EP3384164C0 (fr) 2024-02-14
DE102015015858A1 (de) 2017-06-08
CN108291562B (zh) 2021-03-30
US10641299B2 (en) 2020-05-05
US20180347600A1 (en) 2018-12-06
WO2017092856A1 (fr) 2017-06-08
CN108291562A (zh) 2018-07-17

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