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
  • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
  • F15B21/04—Special measures taken in connection with the properties of the fluid
  • F15B21/048—Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
• • 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
  • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
  • F15B1/26—Supply reservoir or sump assemblies
  • F15B1/265—Supply reservoir or sump assemblies with pressurised main reservoir

Definitions

• the invention relates to a fluid-driven expulsion device for expelling objects or fluids from a reservoir by means of a pressure medium-loaded drive piston with a via a pressure connection device interchangeable with the expelling connected pressure fluid accumulator for Druckstoffbeetz- tion of the drive piston.
• a device of the type mentioned in the embodiment as impact device for driving mechanical fastening means, such as steel pins, is known from WO 03/002308 Al.
• the accumulator is connected directly to a device body of Austreibvorraum.
• the accumulator allows a network-independent operation of the expulsion device, so that the Austreibvortechnisch must not be connected to a stationary pressure source for their operation. This allows a considerably simplified, in particular, in the cases where frequent position changes are to be made with the expulsion device
• the present invention is based on the object to reduce the deployment effort to carry out feasible with fluid-powered Austreibvorraumen work.
• the expelling device has a pressure connection device which serves both to connect the pressure medium reservoir and to connect to a stationary pressure source.
• an expulsion device which, depending on the working or operating conditions, enables both a network operation, ie an operation connected to a stationary pressure source, and a network-independent operation, ie an operation based on the compressed air reservoir defined by the pressure medium reservoir.
• the pressure connection device has a pressure reducing device which can be pressurized both by the pressure medium reservoir and by the stationary pressure source.
• the pressure reducing device is connected to a pressure chamber which can be connected via a first pressure connection to the pressure medium reservoir and a second pressure connection to the stationary pressure source, it is ensured that both the storage pressure generated by the compressed air reservoir of the pressure medium reservoir and by the stationary pressure source Generated network pressure act in the same way on the pressure reducer.
• a further pressure reducing device is arranged in the pressure connection between the pressure reducer device and the pressure medium accumulator, it can be ensured that no detrimental pressure peaks occur during a change between the pressure accumulator pressure and the network pressure for operating the expelling device.
• the pressure connection device has a device connection body and a memory connection body which are connected to one another via a pressure line, wherein the device connection body serves for connection to the expelling device and the storage connection body for connection to the pressure medium reservoir.
• the device connector body is for arranging a pressure port for the stationary pressure source and for disposing the first pressure reducer
• the memory port body is for disposing a pressure port for the pressure fluid reservoir and for disposing the second pressure reducer
• the storage connection body is designed as a support bracket for receiving the accumulator, the accumulator body simultaneously fulfills the function of a mechanical coupling device for connecting the accumulator with the Austreibvorraum.
• the apparatus body of the expelling device itself may be identically configured with an apparatus body of an expelling device exclusively for connection to a stationary compressed air source.
• a protector device that is formed by an ironing device extending peripherally to the cross-sectional circumference proves to be particularly simple in design and also particularly effective in its effect.
• Figure 1 is an expelling device with a arranged on a device body magazine device and installed accumulator memory in side view.
• FIG. 4 shows the expulsion device shown in FIG. 2 without a pressure medium reservoir
• Fig. 5 is a sectional view of that shown in Fig. 1
• Fig. 1 shows a expelling device 10 with a device body 1 1, which has a driving piston unit 12 at its lower end portion. In the area of the driving piston unit 12, a magazine device 13 is connected to the device body 1 1.
• the Austreib device 10 is provided with a pressure connection device 14 which has in the embodiment shown in Figure 1 a device connection body 15 and a memory connection body 16, which are connected to each other via a pressure line 17.
• the device connection body 15 is connected to a handle part 18 of the device body 11 and the memory connection body 16 is arranged on a magazine housing 19 of the magazine device 13.
• a connecting piece pressure port 20 which serves for connection to a stationary compressed air source, so for example a compressor device, via a 'not shown here' power cord.
• a stationary compressed air source so for example a compressor device
• an expulsion bolt 26 of the drive piston unit 12 of the expulsion device 10 can be subjected to working pressure by means of a pressure line device connecting the pressure port 20 through the device attachment body 15 and the device body 11 to the drive piston unit 12, not shown here.
• the loading of the Austreibbolzens 26 is triggered by an actuation of a arranged on the device body 11 trigger lever 21.
• the arranged on the magazine device 13 storage connector body 16 is connected via a pressure port 22 with a pressure medium reservoir 23, which in the present case contains compressed air with a storage pressure of about 300 bar.
• a pressure connection 22 Via the pressure connection 22, the accumulator connection body 16 and the pressure line 17, there is a pressure connection between the compressed air reservoir accommodated in the pressure medium accumulator 23 and the device connection body 15, which, as described above. leads, is connected via a pressure connection with the driving piston unit 12.
• the magazine device 13 has arranged in a dash-dotted line here housing channel 36 of the magazine housing 19 arranged in a series combination number of steel pins 24, which are each arranged with its longitudinal axis parallel to the axis of Austreibkanals 25 and arranged in the magazine device 13, here axial propulsion device not shown are forced into a final position in the drive channel 25.
• an actuation of the trigger lever 21 causes the steel pins 24 to be acted upon by the expulsion bolt 26 of the drive piston unit 12, so that the steel pin 24 is driven out of the drive-out channel 25.
• the device connection body 15 is flange-like connected to the free end of the handle portion 18 and has, as Figure 5 shows, three mounting holes 27, which serve to carry out not shown fastening screws.
• the device connection body 15 has, in addition to the pressure connection 20, which serves for connection to a stationary compressed air source, a pressure connection 28, which via the pressure line 17 connected thereto for connection of the pressure medium reservoir 23 to the device connector body 15 is used.
• the pressure port 20 and the pressure port 28 are connected to each other via a device arranged in the device body 15 valve means 29, depending on the switching position of its valve member 30, a compressed air connection between the pressure port 28 and a drive piston unit 12 of the expelling 10 leading working pressure channel 31 or the pressure port 20 and the working pressure channel 31 allows.
• the working pressure channel 31 opens in the illustration according to FIG 5 in a valve chamber 32 in which the valve element 30 is movable between two switching positions.
• pressure chamber 33 arranged behind valve device 29 is connected to a pressure reducing device 34 shown in FIG.
• a working pressure channel 35 which continues through the handle part 18 as far as the driving piston unit 12 for acting on the expelling bolt 26 with working pressure, opens into the pressure chamber 33.
• the valve chamber 32 is formed in a housing bore 37 of the Artificial Ethics- body 15, which is closed to the outside by a bore plug 38.
• a sleeve-shaped valve seat member 40 is arranged, which is pressed by a disposed between the bore plug 38 and the valve seat member 40 spacer sleeve 39 for positioning against a bore 41.
• a further bore paragraph is formed, which serves as a housing valve seat 42.
• the switching positions of the valve element 30 are therefore defined on the one hand by contact of the valve element against the valve seat part 39 and on the other hand by abutment of the valve element against the housing valve seat 42.
• the valve element has a valve body formed in the manner of a cylinder pin with a valve seal 44 arranged radially thereon.
• the sleeve is provided with wall bores 45, which allow fluid communication with the pressure port 20.
• pressure reducer 46 is generally set higher than that of the stationary compressed air source via the pressure-20 on the valve element 30 acting valve pressure.
• the pressure applied to the pressure port 28 can be reduced to 15 bar. be, which is thus higher than the usually set to 8 bar pressure of a stationary compressed air source.
• the storage connection body 16 arranged on the magazine housing 19 of the magazine device 13 is arranged next to the pressure reducing device 46, which is in fluid communication between the pressure connection 22 and a connection piece 48 for the pressure line 17 is provided with a safety valve 49 for interrupting a pressure connection between the accumulator 23 and the pressure reducer 46.
• the storage connection body 16 is provided with a fill level indicator 50 for displaying the volume currently contained in the pressure medium store 23.
• the device connection body 15, shown in FIG. 5 permits simultaneous connection of the pressure medium reservoir 23 to the pressure port 28 and a stationary compressed air source to the pressure port 20, whereby the valve pressure comparatively higher, by the pressure medium reservoir 46, caused by the pressure medium reservoir 23 in this case, a pressure supply of the driving piston unit 12 is clearly defined via the accumulator 23.
• the pressure medium accumulator 23 is connected with its connection end 51 to the pressure connection 22 of the accumulator connection body 16 such that it extends along the accumulator device 13.
• the storage connection body 16 which is connected in a manner not shown rigidly with the magazine housing 19 of the magazine device 13, as a support bracket, which essentially takes over the mechanical support of the accumulator 23.
• a protector device 52 which has a has receiving ring 53, in which the accumulator 23 is introduced with its cylinder body 54.
• the receiving ring 53 may support the pressure fluid accumulator 23 complementary to the storage port body 16 or merely form a guard ring to the cylinder body 54, the pressure fluid accumulator 23 from shocks, such as caused depositing the expulsion device 10 on a shelf protects.
• the magazine housing 19 also has a complementary protector function, since the pressure medium reservoir 23 is arranged within the width extension of the magazine housing 19.

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Analytical Chemistry (AREA)
• Portable Nailing Machines And Staplers (AREA)
• Filling Or Discharging Of Gas Storage Vessels (AREA)
• Coating Apparatus (AREA)
• Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
• Fluid-Pressure Circuits (AREA)
• Soil Working Implements (AREA)
• Quick-Acting Or Multi-Walled Pipe Joints (AREA)
• Earth Drilling (AREA)
• Catching Or Destruction (AREA)
• Fluid-Driven Valves (AREA)
• Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Related Child Applications (2)

Publications (2)

Family

ID=34609835

Family Applications (2)

Family Applications After (1)

Country Status (7)

Families Citing this family (3)

Family Cites Families (30)

• 2005
  • 2005-03-03 DE DE200520003422 patent/DE202005003422U1/de not_active Expired - Lifetime
  • 2005-10-11 DE DE502005009339T patent/DE502005009339D1/de active Active
  • 2005-10-11 AT AT05805741T patent/ATE462534T1/de active
  • 2005-10-11 PL PL08165037T patent/PL2002936T3/pl unknown
  • 2005-10-11 AT AT08165037T patent/ATE490846T1/de active
  • 2005-10-11 DE DE502005010663T patent/DE502005010663D1/de active Active
  • 2005-10-11 WO PCT/EP2005/010925 patent/WO2006092161A1/fr active Application Filing
  • 2005-10-11 ES ES08165037T patent/ES2353930T3/es active Active
  • 2005-10-11 ES ES05805741T patent/ES2342184T3/es active Active
  • 2005-10-11 EP EP05805741A patent/EP1853409B1/fr active Active
  • 2005-10-11 EP EP08165037A patent/EP2002936B1/fr not_active Not-in-force
  • 2005-10-11 US US11/817,587 patent/US20080283569A1/en not_active Abandoned
  • 2005-10-11 PL PL05805741T patent/PL1853409T3/pl unknown

Non-Patent Citations (1)

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