EP0880652A1 - Verschraubbarer druckmittelbetätigter arbeitszylinder mit verschlussteilen zur kopplung des zylinderrohres - Google Patents
Verschraubbarer druckmittelbetätigter arbeitszylinder mit verschlussteilen zur kopplung des zylinderrohresInfo
- Publication number
- EP0880652A1 EP0880652A1 EP97914049A EP97914049A EP0880652A1 EP 0880652 A1 EP0880652 A1 EP 0880652A1 EP 97914049 A EP97914049 A EP 97914049A EP 97914049 A EP97914049 A EP 97914049A EP 0880652 A1 EP0880652 A1 EP 0880652A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing surface
- closure part
- cylinder tube
- cylinder
- pressure medium
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 10
- 238000010168 coupling process Methods 0.000 title claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 104
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010030 laminating Methods 0.000 abstract 1
- 230000013011 mating Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 16
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
- F15B15/1442—End cap sealings
Definitions
- Screwable pressure medium operated cylinder with locking parts for coupling the cylinder tube
- the invention relates to a screwable pressure medium-actuated working cylinder with closure parts for coupling the cylinder tube, which can be used in the field of energy transmission by means of flowing media (liquids, gases) as pressure medium for the translatory movement of mechanisms, particularly in the media-aggressive high pressure range suitable is
- screw-actuated pressure-actuated working cylinders are known, in accordance with DE OS 19 215 43, in particular hydraulic differential or plunger pistons, the cylinder tube of which accommodates at least one piston is provided with closure parts provided on the base or head part, which are screwed together via the external thread of the cylinder tube and via a Internally threaded ring seals are sealed securely, furthermore screwable working cylinders according to EP 060 17 36 A1 are known, where the thread carrying the closure parts is arranged in the inner jacket of the cylinder tube and the sealing takes place via sealing elements
- screw-type working cylinders with internal or external cylinder tube threads are also used, in which the sealing is carried out by an elastomeric seal which is arranged in the annular end face of the cylinder tube or, as shown in DE 35 17 137 A1, as an end seal of the guide closure part
- the object of the invention is to develop a screw-type pressure medium-operated working cylinder which can operate in a seal-proof manner in the high pressure range, even in an aggressive atmosphere, can be manufactured inexpensively and is easy to manufacture using the non-cutting manufacturing technology as far as possible thereby has advantages
- the working cylinder can be used in aggressive media, the coating of the working cylinder being omitted because of the resistance to be achieved in the case of a suitable choice of material.
- the working cylinder as a screw-press connection component, the expensive welded connections are eliminated and the replacement of worn individual components is possible without problems
- Higher surface pressure on the sealing surfaces is given by the special non-cutting production of the sealing surfaces.
- the manufacture and assembly of the components is simple and can be carried out by inexperienced, non-specialist personnel. The invention is illustrated below using exemplary embodiments
- FIG. 1 as a section through the screwable pressure medium-operated working cylinder
- FIG. 2 as a section of the sealing point “X” - as a cylinder tube with an external thread and a sealing surface on the end face of the outer jacket,
- a cylinder tube with an external thread and a sealing surface lying on the end face of the outer tube jacket is shown, in that a screwable pressure medium-operated working cylinder 1 is shown, which consists of a guide closure part 2, a bottom closure part 3, a cylinder tube 4 and a differential piston 5 a piston rod 6
- a wiper seal 7 and a guide seal 8 are provided for sealing the piston rod 6
- Thread pair 9 takes place by high axial metallic pressure of a guide closure part sealing surface 10 or bottom closure part sealing surface 11 with the chamfer-shaped cylinder tube sealing surface 12, as a result of the screwing of the guide closure part 2 and bottom closure part 3 with the cylinder tube 4, the Thread pair 9 consists of the external thread 9 1 of the cylinder tube 4 and the internal thread 9 2 of the guide closure part 2
- FIG. 2 the detail of the sealing point “X” of FIG. 1 is explained in more detail in that the guide closure part 2 is assigned a free space 15, a cavity 16, the guide closure part sealing surface 10, thread clearances 17 and the cylinder tube 4 from the cylinder tube sealing surface 12, from which Front ring surface 18 exists, wherein the guide closure part 2 is in operative connection with the cylinder tube 4 via the guide closure part sealing surface 10 and via the thread pairing 9.
- the piston rod 6 is shown installed in this system as a functional element
- the pressure is kept so large that the guide closure part sealing surface 10, bottom closure part sealing surface 11 (not shown - see FIG. 1) and the cylinder tube sealing surface 12 follow the axial and also radial displacements in the lattice structure of the materials can without lifting off the bottom sealing part sealing surface 11 and the cylinder tube sealing surface 12.
- a free space 15 is provided in order to bring the required tightening to the parts to be screwed.
- the end ring surface 18 of the cylinder tube 4 projects into the cavity 16, which at the same time also for the inclusion of a low-viscosity adhesive 19 is suitable, and at the same time the thread clearances 17 of the thread pair 9 can also be mixed with this low-viscosity adhesive 19
- FIG. 3 the cylinder tube 4 is shown in operative connection with the guide closure part 2 by means of an interchangeable insert 20 and the thread pairing 9, with low-viscosity adhesive 19 being able to be entered into the thread free spaces 17 if necessary.
- the cylinder tube 4 is provided with an internal thread 21 and a thread ⁇ nenrohrmantel sealing surface 22 shown
- FIG. 5 the cylinder tube 4 with the internal thread 21 and the cylinder tube sealing surface 12 is shown
- the cylinder tube 4 with the external thread 9 1 with the inner tube jacket sealing surface 22 is shown.
- the cylinder tube 4 with the external thread 9 1 and the cylinder tube sealing surface 12 is shown by an undercut 23 being assigned to the external thread 9 1
- the parts involved in the pressing are made of an iron material, the metal alloys of which have to correspond to the respective application.
- four versions as shown in FIGS. 4 to 7 are possible
- A the pressed 8 ° inclined ring surface (position 10, 1 1, 12, 20, 22)
- ⁇ shape change factor in the direction of the acting force
- the modulus of elasticity of the materials which are suitable for the sealless coupling lies within the temperature range 0 ° to 200 °, in the range of 60 to 250 x 10 'N / mm 2 ⁇ 10% of this value
- the limit load is given by the respective yield strength of the materials used, which in the case of this solution is between 200 N / mm 2 and 1050 N / mm 2 , depending on the quality of the material used.
- the loads within these limit values are indispensable hold in order to ensure this solution principle. It applies here
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Sealing Devices (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Tents Or Canopies (AREA)
- Forging (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29602088U DE29602088U1 (de) | 1996-02-07 | 1996-02-07 | Verschraubbarer druckmittelbetätigter Arbeitszylinder mit Verschlußteilen zur Kopplung des Zylinderrohres |
DE29602088U | 1996-02-07 | ||
PCT/DE1997/000039 WO1997029287A1 (de) | 1996-02-07 | 1997-01-04 | Verschraubbarer druckmittelbetätigter arbeitszylinder mit verschlussteilen zur kopplung des zylinderrohres |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0880652A1 true EP0880652A1 (de) | 1998-12-02 |
EP0880652B1 EP0880652B1 (de) | 2002-08-28 |
Family
ID=8019113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97914049A Expired - Lifetime EP0880652B1 (de) | 1996-02-07 | 1997-01-04 | Verschraubbarer druckmittelbetätigter arbeitszylinder mit verschlussteilen zur kopplung des zylinderrohres |
Country Status (13)
Country | Link |
---|---|
US (1) | US6196112B1 (de) |
EP (1) | EP0880652B1 (de) |
JP (1) | JP3342494B2 (de) |
CN (1) | CN1088806C (de) |
AT (1) | ATE223001T1 (de) |
CA (1) | CA2245764C (de) |
CZ (1) | CZ296713B6 (de) |
DE (2) | DE29602088U1 (de) |
HK (1) | HK1018497A1 (de) |
HU (1) | HU220939B1 (de) |
PL (1) | PL182356B1 (de) |
RU (1) | RU2150615C1 (de) |
WO (1) | WO1997029287A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202016007691U1 (de) | 2016-12-21 | 2018-03-22 | Bümach Engineering International B.V. | Schraubarbeitszylinder |
US9989075B2 (en) | 2012-09-19 | 2018-06-05 | Buemach Engineering International B.V. | Working cylinder |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1318123B1 (it) * | 2000-07-05 | 2003-07-23 | Alfamatic S R L | Cilindro pneumatico, idraulico e simile, e metodo per la suarealizzazione |
FR2822201A1 (fr) * | 2001-03-15 | 2002-09-20 | Nk System Nv | Verin hydraulique a etancheite amelioree |
DE10122512C2 (de) * | 2001-05-09 | 2003-05-28 | Hyco Pacoma Gmbh | Hydraulikzylinder mit Schwenkzapfen |
TWI291467B (en) | 2002-11-13 | 2007-12-21 | Millennium Pharm Inc | CCR1 antagonists and methods of use therefor |
FI20040942A (fi) * | 2004-07-06 | 2006-01-07 | Rocla Oyj | Trukkimasto |
JP5481268B2 (ja) * | 2010-04-28 | 2014-04-23 | 日立オートモティブシステムズ株式会社 | シリンダ装置 |
WO2013040770A1 (zh) * | 2011-09-21 | 2013-03-28 | 长沙中联重工科技发展股份有限公司 | 驱动缸的功能件的连接结构 |
ITMI20120272A1 (it) * | 2012-02-23 | 2013-08-24 | Cifa Spa | Corpo tubolare in materiale composito e relativo procedimento di realizzazione di detto corpo tubolare |
AT513321A1 (de) * | 2012-08-16 | 2014-03-15 | Bosch Gmbh Robert | Gewindeverbindung zum Verbinden von Hochdruckmedium führenden Komponenten |
DE202012008998U1 (de) | 2012-09-19 | 2014-01-09 | Bümach Engineering International B.V. | Arbeitszylinder |
CN104482199A (zh) * | 2014-11-03 | 2015-04-01 | 无锡市百顺机械厂 | 油缸内油缸盖防松结构 |
CN117581028A (zh) * | 2021-06-28 | 2024-02-20 | 比马赫国际工程公司 | 工作缸与工作缸的制造方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR485114A (fr) * | 1916-11-29 | 1917-12-13 | Robert Arthur Smith | Perfectionnements apportés aux raccords démontables pour tuyaux |
US2345871A (en) * | 1942-07-29 | 1944-04-04 | Chase Brass & Copper Co | Tube-expanding and thread-rolling apparatus |
US2981575A (en) * | 1959-04-24 | 1961-04-25 | Southwest Oilfield Products In | Reciprocating pump cylinder head and liner retainer |
US3104121A (en) * | 1960-05-05 | 1963-09-17 | Thornhill Craver Company Inc | High pressure seal assembly |
FR1273621A (fr) * | 1960-11-14 | 1961-10-13 | Fischer Ag Georg | Joint à collier de serrage pour tuyaux |
US3334773A (en) * | 1965-04-12 | 1967-08-08 | Charles W Bimba | Fluid motor with removable-locking end closure unit |
DE1675299A1 (de) * | 1968-03-19 | 1971-05-06 | Elmer Adam Dipl Ing | Kolbenstangenfuehrungsbuechse |
GB1265752A (de) * | 1968-04-30 | 1972-03-08 | ||
JPS4964555A (de) * | 1972-10-25 | 1974-06-22 | ||
DE2524137C3 (de) * | 1975-05-30 | 1980-08-21 | Rolf Ing.Grad. 5885 Schalksmuehle Boerner | Druckmittelbetriebener Arbeitszylinder |
JPS5635861A (en) * | 1979-08-28 | 1981-04-08 | Shin Meiwa Ind Co Ltd | Head cover of hydraulic oil cylinder |
DE3517137A1 (de) * | 1985-05-11 | 1986-11-13 | Montan-Hydraulik GmbH, 4755 Holzwickede | Arbeitszylinder mit dichter elastischer kolbenstangendichtung |
US4643332A (en) * | 1986-05-05 | 1987-02-17 | Bimba Charles W | Tie rod cylinder with gasketless seal |
DE3620346A1 (de) * | 1986-06-18 | 1987-12-23 | Gewerk Eisenhuette Westfalia | Verfahren zum wiederherstellen der stangendichtung bei der instandsetzung hydraulischer grubenstempel u.dgl. sowie stangendichtung fuer grubenstempel und sonstige druckmittelzylinder |
US4817962A (en) * | 1987-12-28 | 1989-04-04 | The Hydril Company | Universal tubular connection having a variable metal-to-metal seal width corresponding to material yield strength |
FR2677947A1 (fr) * | 1991-03-26 | 1992-12-24 | Outboard Marine Corp | Ensemble d'equilibrage ameliore. |
US5415079A (en) * | 1992-05-13 | 1995-05-16 | Hr Textron, Inc. | Composite cylinder for use in aircraft hydraulic actuator |
GB9225925D0 (en) * | 1992-12-11 | 1993-02-03 | Parker Hannifin Plc | Improvements relating to cylinders |
-
1996
- 1996-02-07 DE DE29602088U patent/DE29602088U1/de not_active Expired - Lifetime
-
1997
- 1997-01-04 CZ CZ0240698A patent/CZ296713B6/cs not_active IP Right Cessation
- 1997-01-04 US US09/101,650 patent/US6196112B1/en not_active Expired - Lifetime
- 1997-01-04 CA CA002245764A patent/CA2245764C/en not_active Expired - Lifetime
- 1997-01-04 CN CN97192134A patent/CN1088806C/zh not_active Expired - Lifetime
- 1997-01-04 DE DE59708068T patent/DE59708068D1/de not_active Expired - Lifetime
- 1997-01-04 AT AT97914049T patent/ATE223001T1/de active
- 1997-01-04 JP JP52803297A patent/JP3342494B2/ja not_active Expired - Lifetime
- 1997-01-04 RU RU98116598/06A patent/RU2150615C1/ru active
- 1997-01-04 PL PL97328404A patent/PL182356B1/pl unknown
- 1997-01-04 HU HU9901415A patent/HU220939B1/hu unknown
- 1997-01-04 WO PCT/DE1997/000039 patent/WO1997029287A1/de active IP Right Grant
- 1997-01-04 EP EP97914049A patent/EP0880652B1/de not_active Expired - Lifetime
-
1999
- 1999-08-05 HK HK99103387A patent/HK1018497A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9729287A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9989075B2 (en) | 2012-09-19 | 2018-06-05 | Buemach Engineering International B.V. | Working cylinder |
DE202016007691U1 (de) | 2016-12-21 | 2018-03-22 | Bümach Engineering International B.V. | Schraubarbeitszylinder |
WO2018113810A1 (de) | 2016-12-21 | 2018-06-28 | Bümach Engineering International B.V. | Schraubarbeitszylinder |
Also Published As
Publication number | Publication date |
---|---|
DE59708068D1 (de) | 2002-10-02 |
JP3342494B2 (ja) | 2002-11-11 |
CA2245764A1 (en) | 1997-08-14 |
CA2245764C (en) | 2002-10-08 |
ATE223001T1 (de) | 2002-09-15 |
JPH11506190A (ja) | 1999-06-02 |
CN1088806C (zh) | 2002-08-07 |
DE29602088U1 (de) | 1996-04-04 |
HK1018497A1 (en) | 1999-12-24 |
CZ296713B6 (cs) | 2006-05-17 |
RU2150615C1 (ru) | 2000-06-10 |
HU220939B1 (en) | 2002-06-29 |
CN1210578A (zh) | 1999-03-10 |
US6196112B1 (en) | 2001-03-06 |
HUP9901415A3 (en) | 2000-02-28 |
PL182356B1 (pl) | 2001-12-31 |
CZ240698A3 (cs) | 1999-05-12 |
WO1997029287A1 (de) | 1997-08-14 |
HUP9901415A1 (hu) | 1999-08-30 |
EP0880652B1 (de) | 2002-08-28 |
PL328404A1 (en) | 1999-01-18 |
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