WO1986006802A1 - Unite de puissance - Google Patents

Unite de puissance Download PDF

Info

Publication number
WO1986006802A1
WO1986006802A1 PCT/CH1986/000063 CH8600063W WO8606802A1 WO 1986006802 A1 WO1986006802 A1 WO 1986006802A1 CH 8600063 W CH8600063 W CH 8600063W WO 8606802 A1 WO8606802 A1 WO 8606802A1
Authority
WO
WIPO (PCT)
Prior art keywords
power cell
mechanical work
cell
hydrostatic energy
converting
Prior art date
Application number
PCT/CH1986/000063
Other languages
German (de)
English (en)
Inventor
Georg Hirmann
Original Assignee
Georg Hirmann
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 Georg Hirmann filed Critical Georg Hirmann
Publication of WO1986006802A1 publication Critical patent/WO1986006802A1/fr

Links

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
    • F15B15/10—Characterised by the construction of the motor unit the motor being of diaphragm type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/35—Inflatable flexible elements, e.g. bellows

Definitions

  • the present invention represents short stroke force generators which, in addition to high technical efficiency, enable automated bulk production with high economic efficiency.
  • a further objective of the invention is to enable the use of foils and hoses with low stretchability and high tensile strength by optimizing the surface shape and mounting. .
  • Fig. 1 shows a load cell
  • Fig. 2 shows a complete power cell
  • Fig. 3 shows a curved blank shape of the hose
  • Fig. 4 shows a tubular force cell for symmetrically arranged contact surfaces
  • Fig. 5 shows a load cell support surface and a protective tape
  • Fig. 6 shows a preformed tubular body made of flat film
  • Fig. 7 shows a floor fixing part
  • Fig. 8 shows a load cell molded onto a plastic holder part
  • Fig. 9 shows three simultaneously acting force cells
  • Fig. 1 shows one.
  • Load cell 1 tightly held at both ends 2 and 3 on a holder part 4 by clamping, the "support piston” part moved relative to the holder part 4 during the lifting movement, also shown here in sheet metal, shows item. 5, which lies against the tubular cell surface 6 or is glued to the part that remains permanently pressed, for example.
  • Fig. 2 shows a FIG. 1 similar power cell completely at maximum stroke.
  • the pressure medium termination 10 is attached to the bottom of the mounting part.
  • the hook-shaped curved side walls 11, 12 show an example of the mechanical protection of the load cell and its stroke limitation.
  • the critical part of the load cell arises before the final termination at 15, 16, where the change in shape requires the greatest excess length. This excess length can be secured by cutting the hose ends and their pretensioned assembly.
  • Fig. 3 shows a curved blank shape 20 of the tube, which is pushed and held on line 21 when clamped, as a result of which the excess length 22 is created.
  • This shaping of the tube surface at the ends of the force cells and the cylindrical cell walls 23, 24 lying between them enable the film displacements which partially reside during the lifting movement. to be kept low, which enables the use of thin, high-strength films such as Mylar, Kapton, Melinex, for smaller force cells and hoses wrapped with glass fiber (such as fire hoses) for larger force cells.
  • the end pieces for the cell ends are shown in Fig. 1 and 2, for the bracket part made of sheet metal.
  • hose ends can be used with other means such as caps, clamps, clips and the like. , locked and. detachable or non-detachable, (see Fig. 7, 8)
  • Fig. 4 shows a tubular force cell for symmetrically arranged contact surfaces.
  • the hose ends are held together here with a tension band 30, preferably with a clamped-in, made of flexible or rigid material.
  • a protective band 35 can be used to relieve the free-moving part in front of the cell ends as well as to mechanically protect the force cell support surface, the ends of which are mounted on cell ends 36, for example by being clamped together.
  • Fig. 6 shows a preformed tube body made of flat film 40, rounded 41 and connected to the tube by means of adhesive tape 42, 43.
  • This method can be carried out in a continuous process before the cell length is cut.
  • the type of connection can also be done by direct gluing of overlapped tube edges or their welding by means of high frequency or ultrasound, or by mechanical holding using knobs, claws and the like. . respectively .
  • Fig. 7 shows a floor fastening part 50 for the direct mechanical fastening of the hose edges, by snapping in or by ultrasonic welding.
  • the fastening part can, as the example shows, also include the pressure medium connection 51.
  • the figure also shows - indicated - the end caps 52, 53 which can be attached by ultrasound.
  • Fig. 8 shows a load cell 60 on a. Mounted, for example, injection molded from plastic bracket 61.
  • the ends of the load cells can here, for example, be glued or welded-on caps, 7 shows, or are tightly fastened by clamping parts 62, 63.
  • additional applied or inserted sealing compounds or sealing parts can be used as required.
  • Fig. 9 shows a single tubular cell body 70 between end terminations 71 and 72, for example in order to form three simultaneously acting force cells 73, 74, 75.
  • the medium pressure guidance between the cells is made possible in the tube channels held by fixed supports 76, 77.
  • This figure shows at the same time the use of the tubular force cells as drives with the active wedge 78 (H-STEP system) one or more times, as shown here.
  • the exemplary embodiments show the components in a simplified form, with a more precise adaptation of the support surfaces between the force cell, the holder part and the piston part being necessary in the application.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

L'unité de puissance est composée de cellules tubulaires, montées sous précontrainte et qui conviennent particulièrement à la fabrication en grandes séries.
PCT/CH1986/000063 1985-05-13 1986-05-13 Unite de puissance WO1986006802A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH202385 1985-05-13
CH2023/85-7 1985-05-13

Publications (1)

Publication Number Publication Date
WO1986006802A1 true WO1986006802A1 (fr) 1986-11-20

Family

ID=4224103

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1986/000063 WO1986006802A1 (fr) 1985-05-13 1986-05-13 Unite de puissance

Country Status (2)

Country Link
EP (1) EP0221117A1 (fr)
WO (1) WO1986006802A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0418679A1 (fr) * 1989-09-16 1991-03-27 Herkules Hebetechnik Gmbh Plate-forme de levage pour automobiles
EP0566905A1 (fr) * 1992-04-21 1993-10-27 Hydraulik Techniek Elément de pression

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1897870U (de) * 1964-05-08 1964-07-30 Josef Riester Pneumatisches kissen.
DE1729018A1 (de) * 1967-12-27 1971-06-03 Spiess C F & Sohn Verfahren zum Herstellen von Tuben,insbesondere von Tubenkoerpern aus Folien
US3807015A (en) * 1970-12-16 1974-04-30 Ibm Method of making a compact fluid actuator
DE2802716A1 (de) * 1978-01-23 1979-07-26 Horst Jansen Druckbehaelter fuer fluids, pasten o.dgl.
EP0115199A1 (fr) * 1982-12-27 1984-08-08 William O. Holmes Cric hydraulique et son procédé de fabrication

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1897870U (de) * 1964-05-08 1964-07-30 Josef Riester Pneumatisches kissen.
DE1729018A1 (de) * 1967-12-27 1971-06-03 Spiess C F & Sohn Verfahren zum Herstellen von Tuben,insbesondere von Tubenkoerpern aus Folien
US3807015A (en) * 1970-12-16 1974-04-30 Ibm Method of making a compact fluid actuator
DE2802716A1 (de) * 1978-01-23 1979-07-26 Horst Jansen Druckbehaelter fuer fluids, pasten o.dgl.
EP0115199A1 (fr) * 1982-12-27 1984-08-08 William O. Holmes Cric hydraulique et son procédé de fabrication

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0418679A1 (fr) * 1989-09-16 1991-03-27 Herkules Hebetechnik Gmbh Plate-forme de levage pour automobiles
EP0566905A1 (fr) * 1992-04-21 1993-10-27 Hydraulik Techniek Elément de pression

Also Published As

Publication number Publication date
EP0221117A1 (fr) 1987-05-13

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