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
  • F15B15/08—Characterised by the construction of the motor unit
• • 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
  • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
  • F15B15/227—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having an auxiliary cushioning piston within the main piston or the cylinder end face
• • 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
  • F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
  • F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
  • F15B15/065—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement the motor being of the rack-and-pinion type
• • 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
  • F15B15/26—Locking mechanisms
• • 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
  • F15B15/26—Locking mechanisms
  • F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T403/00—Joints and connections
  • Y10T403/32—Articulated members
  • Y10T403/32606—Pivoted

Definitions

• the invention relates to a rotating or pivoting device comprising a housing, with at least one housed in the housing, acted upon by pressure medium working piston and a rotationally driven by the working piston via a rotary coupling, rotatably mounted in the housing pivot member, wherein the working piston in a housing-side cylinder displaceable is mounted, with a stroke of the working cylinder in at least two positions limiting stop member which is lockable at least in its axially inner intermediate position. Depending on the position of the stop member, the stroke of the working piston, and thus the angle of rotation of the pivoting member, is changed.
• the invention also relates to a connection module for such a device.
• a pivot unit (SF 100 M D4 / 6) has become known in the stop parts, so-called stopper piston, by means of a sliding element, which is transverse to the longitudinal axis of the respective stopper piston from radially outside engages in the piston rod of the respective stopper piston, is locked in the respective intermediate position. In the axially inner, locked position an intermediate position is reached. If the working piston moves in this intermediate position against the abutment part, the pivoting part is pivoted into only an intermediate position. After releasing the lock, the working piston moves into its
• the present invention has for its object to provide a rotating or pivoting device, in which a locking of the stop member is carried out in a simple manner.
• the rotary or pivoting device according to the invention should be compact and allow secure locking.
• a rotating or pivoting device in which the stop member comprises an axially displaceably mounted locking piston which is pressurized in the intermediate position of the stop member against spring means displaceable in a locking position and in the locking position locking means for locking the stop member ' activated.
• the stop member comprises the locking piston
• the rotary or pivoting device is very compact. A locking takes place only when the locking piston in the intermediate position of the stop member activates the locking means due to its pressurization against the spring means.
• a further advantageous embodiment of the invention provides that the stop member receiving receptacles for receiving the locking means, wherein upon reaching the locking position, the locking means acted upon by the locking piston and are forced out radially outward in the housing-side locking receptacles. As a result, the locking means are activated.
• the geometries of the receiving apertures, the locking means and the locking receptacles are such that in the locking position of the respective working piston axially acting on the respective stop member forces on the locking means in the housing side
• the locking piston has receptacles for the locking means and guide bevels adjoining the receptacles for restraint guidance of the locking means upon reaching the locking position.
• the locking means are radially forcibly guided outside into the housing-side locking receptacles.
• the invention is advantageous if the locked intermediate position is maintained as long as the pressure chamber is pressurized and if at
• a further, particularly preferred embodiment of the invention provides that the sleeve together with stop member, locking piston, spring means and locking means are housed in a arranged on the free end face of the cylinder connection module.
• the connection module preferably comprises its own additional housing, which can be attached to the actual housing. In the event that a pivoting of the pivoting part is not desired in an intermediate position, the connection module can be removed without affecting the functioning of the device is impaired. In addition, depending on the design of the connection module certain rotational or pivotal properties of the device can be realized.
• connection module or the sleeve of the connection module advantageously provides an external or internal thread Screw on the free end of the cylinder tube.
• the free end face of the at least one cylinder comprises an external and / or internal thread for screwing on the sleeve. In this way, the connection module can be easily and safely screwed on or unscrewed.
• connection module to prevent the invention may be 'convention under provided that locking means are provided for fixing of the connection module in a predetermined axial position on the connection module and / or on the housing.
• each pressure side of the piston is slidably mounted in a separately formed cylinder tube.
• the two cylinder tubes are then arranged along an axis and find it advantageously use identical cylinder tubes.
• Such a design has the advantage that the area which lies between the two pressure sides of the piston is accessible, for example for the realization of the rotary coupling.
• connection module has means for mounting and / or unscrewing the connection module.
• Such means may be, for example, inner corner sections, external hex sections, manual operation hand rails, or the like. A simple and quick adjustment or screwing up and / or unscrewing the connection module is ensured. Further advantageous details and embodiments of the invention will become apparent from the following description in which the invention with reference to the embodiments illustrated in the figures is described and explained in more detail.
• Figure 1 shows a longitudinal section through a first embodiment of a pivoting device
• connection modules 64 are each formed in two parts and have a sleeve 72 and a screwed to the sleeve 72 closure member 74. Of course, it can be provided that the connection module 64 is also provided as a one-piece component.
• the inner side of the closure part 74 serves as a stop for the pressure sides 42 and 46 of the working piston 14 and 16 respectively.
• damping means 76 are provided in the respective working piston 14, 16 which dampens one in the axial direction relative to the respective working piston 14, 16 slidably mounted stop bar 78 include.
• the free end 80 of the respective stop bar 78 consequently strikes against the inside of the closure part 74 and catches the working piston 14, 16 moving in the direction of the respective closure part 74 in a damping manner.
• connection modules 62, 64 - or the sleeves 72 and the cover parts 64 - have on their respective radially outer side a circumferential groove with a sealing ring 68.
• the sealing rings 68 act sealingly against extending in the axial direction, radially inner cylindrical surfaces 82 of the housing 12.
• the cylindrical surfaces 82 together with the sleeves 72 and the cover parts 62 air ducts 84, which are connectable via terminals 86 with pressure lines, not shown.
• the pressure chambers 32, 34, 36, 38 can thus air along the arrow L from the terminals 86 via the air guide chambers 84, the respective recess 88 into the respective pressure chamber 32, 34, 36, 38 reach.
• a secure air flow is ensured regardless of the depth of engagement of the respective connection module 62, 64.
• the position of the housing-side terminals 86 is not changed at different depth of engagement.
• connection modules 92 are provided which have sleeves 72 extending in the axial direction that are relatively long.
• the pivoting angle of the pivoting part 20 can be varied within a substantial range.
• the connection modules 92 can limit the stroke of the working pistons 14, 16 more than the connection modules 64 according to the pivoting device 10 according to FIG Pivoting part 20 are changed in a relatively large area.
• the connection modules 62, 64 and 92 Auf- or Abschraubstoff in the form of a hexagon socket 94.
• FIG. 3 the view in the direction of the arrow III is shown on the swiveling device 10 according to FIG. 1 or the swiveling device 90 according to FIG.
• locking means 100 are shown, with which the connection modules 64 and 92 can be fixed in their axial position.
• the locking means 100 comprise a housing 12 held in the screw-like locking pin 102 with an eccentric head and a clamping member 106 which is penetrated by the locking pin 102.
• the eccentric head of the locking pin 102 is seated in a cylinder depression 104 of the clamping part 106.
• the clamping part 106 has two clamping surfaces 108 resting against the respective lateral surfaces of the connection modules 64, 92.
• For holding the locking pin 102 in the axial direction of the locking pin may have a radially encircling groove into which engages a transverse to the longitudinal axis of the locking pin 102 retaining pin so that the locking pin 102, although rotatably, but not slidably held in its axial direction.
• the swiveling device 110 shown in FIG. 4 has a housing 12 corresponding to the swiveling devices 10 and 90 with corresponding components which carry corresponding reference numbers to the swiveling devices 10, 90 according to FIGS. 1 and 2.
• 28 connecting modules 112 are provided in the pivoting device 10, in each of which a displaceable in two positions stop member 114 is provided, which is lockable in its axially inner position. This ensures that the working piston 14, 16 and thus the pivot member 20 can be approached in a predetermined intermediate position.
• the pressure side 42 facing stop member 114 is in this case in the locked intermediate position.
• connection modules 112 each have a housing 116 housed in a common auxiliary housing 113 in which the piston-like stop member 114 is mounted axially displaceable.
• a pressure chamber 118 is provided on the side of the stop member 114 facing away from the respective working piston 14, 16.
• the pressure chamber 118 is pressurized via a pressure port 119 depressurized.
• the air is guided into or out of the pressure chamber 118 via a circumferential annular groove 123 located radially on the respective sleeve 116 and via apertures connected to the groove 123 in the form of bores 125 in particular.
• the stop member 114 When pressurizing the pressure chamber 118, the stop member 114 is moved to the intermediate position. For this purpose, the stop member 114 moves so far in the direction of the respective working piston 14, 16 until it strikes with its annular collar-like stopper 132 against a sleeve-side stop 134. Due to the pressurization of the pressure chamber 118 moves then a axially displaceably mounted on the inside of the stop member 114 locking piston 120 against the spring force of a compression spring 122 in the direction of the respective associated working piston 14, 16.
• the locking piston 120 provides guide bevels 124 which adjoin a receptacle 126th for locking balls 128.
• the locking balls 128 are in the starting position partly in the receptacles 126, partly in provided on the stop member 114, extending in the radial direction receiving apertures 129.
• the wall of the receiving apertures 129 surrounding areas of the stop member 114 have approximately half the ball diameter.
• a plurality of mutually spaced locking balls 128 are provided over the circumference of the stop member.
• the lock receivers 130 extend approximately one-half the ball diameter in radial directions.
• the locking receivers 130 may be either single Shooting or be designed as a single circumferential, ringnutartige recording.
• the geometries of the receptacles 126, the locking balls 128, the receiving openings 129 and the locking receptacles 130 are such that in the locked intermediate position of the respective working piston 14, 16, and the damping means 76, axially acting on the respective stop member 114 forces on the locking balls 128th into the sleeve 116 and from the sleeve via the screwing of the sleeve with the housing 12 into the housing 12 are derived.
• the intermediate position can thus be activated or deactivated by pressurization or pressure release of the pressure chamber 118.
• a particular advantage of the described embodiment is that a return movement of the stop member 114 by depressurizing the pressure chamber 114 is possible even under axial loads.
• connection modules 62, 64, 92 or 112 can be provided. A change of the connection modules takes place with little effort and is possible with simple tools.

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Actuator (AREA)
• Handcart (AREA)
• Jib Cranes (AREA)
• Supports Or Holders For Household Use (AREA)
• Connections Arranged To Contact A Plurality Of Conductors (AREA)
• Manipulator (AREA)
• Forklifts And Lifting Vehicles (AREA)
• Joints Allowing Movement (AREA)
• Component Parts Of Construction Machinery (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (2)

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ID=33103402

Family Applications (1)

Country Status (12)

Cited By (1)

Families Citing this family (8)

Family Cites Families (13)

• 2003
  • 2003-04-11 DE DE10317281A patent/DE10317281B4/de not_active Expired - Fee Related
• 2004
  • 2004-04-13 DK DK04726998T patent/DK1613865T3/da active
  • 2004-04-13 CA CA002517332A patent/CA2517332A1/fr not_active Abandoned
  • 2004-04-13 AT AT04726998T patent/ATE349623T1/de active
  • 2004-04-13 US US10/548,388 patent/US7363848B2/en active Active
  • 2004-04-13 KR KR1020057019114A patent/KR100846999B1/ko active IP Right Grant
  • 2004-04-13 ES ES04726998T patent/ES2279362T3/es not_active Expired - Lifetime
  • 2004-04-13 SI SI200430222T patent/SI1613865T1/sl unknown
  • 2004-04-13 WO PCT/EP2004/003896 patent/WO2004090341A1/fr active IP Right Grant
  • 2004-04-13 PL PL04726998T patent/PL1613865T3/pl unknown
  • 2004-04-13 EP EP04726998A patent/EP1613865B1/fr not_active Expired - Lifetime
  • 2004-04-13 PT PT04726998T patent/PT1613865E/pt unknown
  • 2004-04-13 DE DE502004002458T patent/DE502004002458D1/de not_active Expired - Lifetime

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