WO1996000356A1 - Einrichtung zur betätigung einer anordnung von leitrohrschiebern - Google Patents
Einrichtung zur betätigung einer anordnung von leitrohrschiebern Download PDFInfo
- Publication number
- WO1996000356A1 WO1996000356A1 PCT/EP1995/002458 EP9502458W WO9600356A1 WO 1996000356 A1 WO1996000356 A1 WO 1996000356A1 EP 9502458 W EP9502458 W EP 9502458W WO 9600356 A1 WO9600356 A1 WO 9600356A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- slide
- link
- master
- double
- bypass
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/523—Mechanical actuating means with crank, eccentric, or cam comprising a sliding valve
Definitions
- the invention relates to a device for actuating an arrangement of guide tube slide valves with a master guide tube slide valve and at least one bypass guide tube slide valve associated therewith, the slide rods of which are coupled to one another via a double-armed lever pivotably mounted on the slide valve housing such that when one slide valve moves into the closed position the other slide can be moved into its open position and vice versa.
- Such a guide tube slide arrangement is known per se, which is characterized by a pivot bearing for the double-armed lever, which moves back and forth parallel to the slide rods when the same is actuated. Furthermore, the arm coupled to the slide rod assigned to the master slide is connected to the slide housing via a toggle lever arrangement. This in turn is biased by a compression spring arrangement (disc spring package) so that it urges the aforementioned arm of the double-armed lever, which cooperates with the slide rod assigned to the master slide, into the open slide position; Accordingly, the bypass slide is always preloaded in the closed position by the aforementioned compression spring and toggle lever arrangement. It can be seen that the known construction is a relatively complex actuating device, which also the
- the present invention is therefore based on the object of providing an actuating device of the type in question here, in which, with a smaller drive and a lighter design, a valve combination which is as reliable as it is functional and improved in terms of control characteristics is created, as is the case in the prior art.
- the driving force is to be used exclusively for the actuation of the two slides.
- a link guide is formed on the two arms of the double-armed lever for receiving a driver provided on the associated slide rod, the link guides being designed and coordinated with one another in such a way that in each relative position of the master and bypass slide, ie in each any pivot position of the double-armed lever a relatively small and substantially constant pressure difference is maintained over the overall arrangement of master and bypass slide.
- this pressure difference is a maximum of about 100 mbar.
- the movement end points of the drivers are determined by the closing and open positions of the master and bypass slides.
- the slide movement is controlled by means of the link guides provided according to the invention in such a way that an essentially constant pressure difference prevails over both slides.
- This is decisive for the dimensioning of the entire arrangement and for the dimensioning of the slide drive.
- An oversizing of the two fittings is avoided by the regulation according to the invention.
- Elastic pretensioning of the double-armed lever is also no longer required.
- the driving force can essentially only be used to actuate the two slides.
- the pressure difference provided according to the invention also ensures a defined direction of flow through the fittings, and that in every position of the double-armed lever.
- Actuating device are described in the subclaims.
- the link guides are matched to one another in such a way that the bypass slide is only moved out of the closed position when the master slide is already partially closed, for which purpose the drive-side 'link guide has a first section which extends in the open position of the master slide approximately parallel to the direction of movement of the main slide rod or the driver attached thereto.
- the last-mentioned constructive measure achieves the aforementioned effect.
- At least one of the two link guides comprises a rotatably mounted disc with a link control section such that it can be pivoted between two unchangeable link sections within predetermined limits, with the result of a corresponding change in the control behavior in Area of effect of this setting rule section.
- the entry and exit of the link regulating section are preferably each expanded or rounded in a funnel shape.
- the gate sections upstream and / or downstream of the gate control section are preferably also funnel-shaped in the direction of the gate control section in order to achieve a smooth transition of the slide rod driver between the gate control section and the unchangeable gate sections.
- 1 to 4 a first embodiment of a device for
- Actuation of a double guide tube slide valve which comprises a so-called master guide tube slide valve 10 and a bypass guide tube slide valve 11 associated therewith, has a double-armed lever 12 pivotally mounted on the slide valve housing.
- the pivot bearing of the double-armed lever 12 which is fixed to the slide housing is identified by the reference number 13.
- a link guide 16 or 17 is formed for receiving a driver in the form of rotatably mounted driver rollers 18, 19.
- the driver roller 18 is rotatably mounted on a slide rod assigned to the bypass slide 11, while the driver roller 19 is part of the slide rod 21 assigned to the master slide 10. Accordingly, the opposite movement of the master and bypass slide is effected by pivoting the double lever 12.
- the backdrop guides 16, 17 are designed and matched to one another in such a way that an essentially constant but small pressure difference across the two slides is maintained in any relative position of the master and bypass slides, ie in any pivot position of the double-armed lever 12.
- the master slide 10 is characterized by a flow channel of larger diameter compared to that of the bypass slide. In the present case, the diameter of the flow channel in which the master slide is located is 450 mm, while the diameter of the flow channel assigned to the bypass slide is 250 mm.
- a drive 22 is connected to the slide rod 21 assigned to the master slide 10. This acts directly on the slide rod 21 assigned to the master slide 10.
- the actuation, in the manner described above, of the slide rod 20 assigned to the bypass slide 11 takes place via the double-armed lever 12 in a manner to be described.
- the drive-side link guide 17 comprises a variable control section 23 as part of a rotatably mounted disk 24.
- the disk 24 together with the link control section 23 can be pivoted between two unchangeable link sections 25, 26 within predetermined limits, preferably ⁇ 5 °, with the result of a corresponding change in the Control behavior in
- the driving roller 19 is located at the outer end of the gate section 25 upstream of the control section 23, which is in this Position extends approximately parallel to the master slide rod 21 or its direction of movement.
- the drive-side link guide 17 is angled twice in the embodiment shown, in each case at an obtuse angle to the pivot bearing 13 of the double-armed lever 12.
- the drive-side link guide 17 accordingly comprises three approximately straight link sections 25, 23, 26, respectively the middle section is the above-mentioned control section, the slope of which can be changed within certain limits.
- a separate rotary drive 27 is assigned to the disk 24. Characterized in that seen in the closing direction of the master slide 10
- Control section 23 upstream link section 25 in the open position of the master slide 10 extends parallel to the associated slide rod 21, the actuator 22 is first moved to a position when the drive 22 is actuated from the position shown in FIG. 1 to a position shown in FIG. 2, in which the flow channel is partially closed. This movement is not yet transferred to the bypass slide 11. Such a power transmission takes place only after the driving roller 19 has entered the control section 23, as shown in FIG.
- Fig. 1 shows very clearly.
- the master slide is already displaced from its fully open position by 329 mm in the direction of the closed position, the displacement path to the fully closed position being 530 mm.
- the above information is of course a specific embodiment.
- the displacement paths can also be dimensioned somewhat differently. This depends not least on the size of the master spool on the one hand and the bypass spool on the other hand and their
- the closed position in the direction of the open position still has no effect.
- the bypass slide is practically still closed.
- the master slide has been moved further into the closed position.
- the assigned driver roller 19 is located at the end of the link control section 23, ie at the "end of the control line".
- the total displacement up to that point in the illustrated embodiment is 400 mm.
- the driver roller 18 assigned to the bypass slide rod 20 is located at the end of a crank in the guide 16 of the bypass slide is effected by a subsequent link section 29 of the link guide 16, as can be clearly seen from a comparison of FIG. 3 with FIG. 4.
- the link guide 16 comprises two rectilinear link sections, namely the link section 29 and a link section 30 upstream of the offset 28.
- the offset 28 means that these two link sections are laterally offset from one another. In the exemplary embodiment shown, these two link sections extend parallel to one another and each at an angle of approximately 120 to 140 ° to that downstream of the link regulating section 23 and with respect to the
- gate section 26 Closing movement of the master slider 10, gate section 26, which is practically no longer effective.
- the mentioned gate sections can also run at an angle to one another or be arcuate. It is only necessary to ensure that the desired pressure difference control characteristic is obtained. In this respect, the backdrop sections on the master and bypass sides are always coordinated.
- the gate control section 23 encloses an angle of approximately 90 to 100 ° with the gate guide 16 assigned to the bypass slide.
- the link section 25 upstream of the link control section 23 extends at an acute angle of approximately 75 to 80 ° to the link guide 16 assigned to the bypass slide 11.
- the entry and exit of the link control section 23 are expanded or rounded in a funnel-like manner.
- the unchangeable gate sections 25, 26 are also funnel-like or conically widened in the direction of the gate control section 23.
- the double lever 12 is shown schematically by an angled double lever.
- the pivot bearing is again identified with the reference number 13.
- the individual positions of the slide rods 20, 21 or associated slide 11, 10 moved by the double lever are identified by the numbers “0" to "8", "0" being the start position at which the master slide is fully opened and the bypass slide is completely closed. In position “8” it is exactly the opposite. Start and end positions "0" and “8” are fixed. The distances between the individual positions between them are variable thanks to the setting control section 23 described above.
- the travel between positions "7" and “8” for the master spool which corresponds to the travel between "0" and "1” for the bypass spool , defines a dead stroke. If the Bypass slide comprises a double-plate construction with a "wedge-in-wedge" system, part of the dead stroke is used to spread the slide plates against the housing sealing seats.
- the link guide 17 is part of a link element 31 which can be used interchangeably on the arm 15 of the double-armed lever 12. Accordingly, by changing the link element 31, the corresponding link guide 17 and thus the control behavior of the valve can be changed.
- the link guide 16 assigned to the bypass slide 11 or its slide rod 20 is approximately L-shaped, the one leg that is effective when the bypass slide 11 closes has a crank 32 similar to the crank 28 in the exemplary embodiment according to FIGS. 1 to 4;
- This offset defines the assigned to the by-pass valve • control curve.
- the minimum curvature of the offset 28 corresponds to the maximum diameter of the driver 19.
- a drive (not shown) is connected to the slide rod 21 assigned to the master slide 10, as in the embodiment according to FIGS. 1 to 4; accordingly, the link guide 17 is the drive-side link guide.
- This is open for the entry and exit of the driver arranged on the associated slide rod 21 in the form of the driver roller 19, specifically on the one facing away from the master slide (on the right in FIGS. 6 to 9).
- Side wherein in the open position of the master slide 10 (see FIG. 9), the driving roller 19 is outside of the link guide 17.
- This open embodiment is, of course, only useful if the bypass slide 11 is not a two-plate guide tube slide, the plates of which have to be prestressed in the closed position.
- the drive-side link guide 17 is approximately C-shaped, in such a way that, like the corresponding link guide in the embodiment according to FIGS. 1 to 4, it is angled twice, in each case in the same direction at an obtuse angle, so that three backdrop sections are created, each enclosing an obtuse angle.
- the link sections 23, 25, 26 of the link guide 17 according to the exemplary embodiment according to FIGS. 1 to 4 are corresponding to the
- the gate section 25 ' which is open on one side, extends in the open position of the master slide 10, as does the corresponding gate section 25 in the
- Embodiment according to FIGS. 1 to 4 approximately parallel to the associated slide rod 21 or direction of movement thereof.
- the regulating section 23 also closes with the one which is effective when the bypass slide is closed and which
- Bend 32 marked link section 29 ', 30' of the link guide 16 assigned to the bypass slide an angle of about 90 to 100 °.
- the gate sections 29 ', 30' of the gate guide 16 assigned to the bypass gate which are effective when the bypass slide 11 closes, functionally correspond approximately to the gate sections 29, 30 in the exemplary embodiment according to FIGS. 1 to 4.
- the slide guides 16, 17 of the embodiment according to FIGS. 6 to 9 similar movement steps "0" to "8" can be achieved as with the corresponding slide guides of the embodiment according to FIGS. 1 to 4.
- the control behavior for the master and bypass slide is approximately the same, and this control behavior can be changed by using a different link element 31.
- the embodiment according to FIGS. 6 to 9 differs from that according to FIGS. 1 to 4 in that the arms 14, 15 of the double-armed lever 12 lie in a line extending through the pivot bearing 13; that is, the central axes of these two arms are aligned with one another and extend through the geometric axis of the pivot bearing 13.
- the double lever 12 in the embodiment according to FIGS. 1 to 4 is characterized in that the two arms 14, 15 form an obtuse angle of about 120 °.
- the central axes of the two arms 14, 15 do not extend through the pivot bearing 13. you
- the link element 31 is a plate which can be inserted at the distal end of the associated arm 14 and which
- Link guide 17 is not part of a replaceable link element, but is incorporated on the arm 15 of the double-armed lever 12. Furthermore, as in the exemplary embodiment according to FIGS. 1 to 4, the double-armed lever 12 is an angled double lever.
- the link guide 17 comprises a rotatably mounted disk 24 with the correspondingly variable control section 23 '.
- the construction of the disk 24 together with the control section 23 ′ corresponds to that according to FIGS. 1 to 4. The same applies to the rotary drive 27 of the disk 24.
- the embodiment according to FIGS. 10 to 13 differs from that according to FIGS. 6 to 9 in that the link guide 16 assigned to the bypass slide 11 or its slide rod 20 is not approximately L-shaped, but two Link sections 29 ', 30' extending parallel to one another, between which a crank 32 is arranged, the minimum curvature of which corresponds to the maximum diameter of the associated driving roller 18.
- the link guide 16 corresponds to that of the exemplary embodiment according to FIGS. 1 to 4.
- FIG. 10 10 to 13 different relative positions of the driver rollers 19 and 18 assigned to the master slide 10 and bypass slide 11 are shown.
- the master slide 10 is in the closed position (TLV fully closed), while the bypass slide is in the open position (DV
- FIG. 11 shows an intermediate position in which the driver roller 19 assigned to the master slide 10 is located at the end of the control section 23 '. Accordingly 14
- the driver roller 18 assigned to the bypass slide 11 is located in the region of the crank 32 of the link guide 16.
- FIG. 12 shows the driver roller 19 assigned to the master slide in the intermediate position shown in FIG. 12, while FIG. 13 shows the position in which the master slide is in the fully open position (TLV Open) during the bypass slide 11 is in the closed position (DV closed).
- control section 23 ⁇ Control can be achieved by changing the pivoting position of the varying the control section 23 'comprising washer 24 in the manner described with reference to the embodiment according to FIGS. 1 to 4 way.
- FIGS. 14 to 18 shows a modification of the embodiment according to FIGS. 1 to 4.
- the embodiment according to FIGS. 14 to 18 differs from that according to FIGS. 1 to 4 on the one hand in that the link guide 16 associated with the bypass slide 11 is angled in an L-shape, the offset 28 being located in the region of the angled portion which comprises an arch section extending into the corner region.
- the link guide 17 assigned to the master slide is designed such that the control section 23 is approximately aligned with the link section 25.
- the deviation from the aforementioned alignment results from the pivoting position of the disk 24 comprising the control section 23.
- the bypass slide is in its fully closed position (DV closed) while the master slide
- TLV Open is in the open position
- the driver roller 19 assigned to the master slide 10 is located at the start of the controlled system within the control section 23 (start of controlled variable). 17, the driving roller 19 is at the end of the controlled system (end of controlled variable). 18 shows the master slide in the closed position (TLV fully closed) and the bypass slide
- the link sections 29, 30 of the link guide 16 assigned to the bypass slide 11 enclose an angle of approximately 120 °.
- the link sections 25, 23 and 26 of the link guide 17 assigned to the master slide 10 enclose an angle of approximately 150 to 160 °.
- the slide rods 20 and / or 21 can be moved against stationary stops which define the maximum open and closed position of the master and / or bypass slide. These stops are preferably located within the valve housing. Due to the setting and tolerance, it is now conceivable that the master slide is already in the fully open position, while the associated bypass slide has not yet completely reached the corresponding closed position. To ensure the latter, one is in the slide rod 21 of the master slide
- bypass slide can be moved into the final closed position via the associated slide rod 20.
- the bypass Slider associated slide rod 20 an axial clutch of the aforementioned type arranged.
- the axial couplings are designed so that the aforementioned telescoping of the slide rods 20, 21 is only possible by overcoming a predetermined holding force. This is to ensure above all that when the slide is arranged vertically, especially when it is arranged below the drive, the slide does not accidentally fall into the closed position.
- the holding force of the axial couplings is dimensioned so that they hold the slide securely in the specified position.
- the aforementioned holding force on the axial coupling of the one slide is assigned by the slide drive
- the slide rod is outside the
- Slider housing divided, in the area between the slider housing and driving roller.
- a father piece with a cylindrical middle section and two conically tapering end sections is arranged, while at the end of the other slide rod section a nut piece is formed in the form of a front-open recess, which is limited by axially extending and radially resilient claws, the free ends embrace the male piece and thus hold it within the female piece.
- This holding force is only overcome if an extension of the respective slide rod is necessary for the reasons mentioned above, the dimensions of the male and female pieces being such that a complete separation of the two slide rod sections in the area of the axial coupling is excluded during operation.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95924927A EP0715699A1 (de) | 1994-06-23 | 1995-06-23 | Einrichtung zur betätigung einer anordnung von leitrohrschiebern |
BR9506280A BR9506280A (pt) | 1994-06-23 | 1995-06-23 | Dispositivo para atuação de um arranjo de corredição de tubo de guia |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4422055.3 | 1994-06-23 | ||
DE19944422055 DE4422055C1 (de) | 1994-06-23 | 1994-06-23 | Einrichtung zur Betätigung einer Anordnung von Leitrohrschiebern |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996000356A1 true WO1996000356A1 (de) | 1996-01-04 |
Family
ID=6521363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1995/002458 WO1996000356A1 (de) | 1994-06-23 | 1995-06-23 | Einrichtung zur betätigung einer anordnung von leitrohrschiebern |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0715699A1 (de) |
CN (1) | CN1130936A (de) |
BR (1) | BR9506280A (de) |
CA (1) | CA2169918A1 (de) |
DE (1) | DE4422055C1 (de) |
WO (1) | WO1996000356A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108895180B (zh) | 2018-08-16 | 2023-11-14 | 北京航天石化技术装备工程有限公司 | 一种阀门机械联动系统 |
RU203081U1 (ru) * | 2020-09-08 | 2021-03-22 | Общество с ограниченной ответственностью "Промавтоматика-Саров" | Клапан-отсекатель с поворотным сегментным затвором |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE132079C (de) * | ||||
GB268816A (en) * | 1926-04-02 | 1928-09-20 | La Mont Corp | Method and means for preventing leakage in valves |
DE4011274C1 (de) * | 1990-04-06 | 1991-08-01 | Zimmermann & Jansen Gmbh, 5160 Dueren, De |
-
1994
- 1994-06-23 DE DE19944422055 patent/DE4422055C1/de not_active Expired - Fee Related
-
1995
- 1995-06-23 BR BR9506280A patent/BR9506280A/pt not_active Application Discontinuation
- 1995-06-23 EP EP95924927A patent/EP0715699A1/de not_active Withdrawn
- 1995-06-23 CN CN 95190656 patent/CN1130936A/zh active Pending
- 1995-06-23 WO PCT/EP1995/002458 patent/WO1996000356A1/de not_active Application Discontinuation
- 1995-06-23 CA CA 2169918 patent/CA2169918A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE132079C (de) * | ||||
GB268816A (en) * | 1926-04-02 | 1928-09-20 | La Mont Corp | Method and means for preventing leakage in valves |
DE4011274C1 (de) * | 1990-04-06 | 1991-08-01 | Zimmermann & Jansen Gmbh, 5160 Dueren, De |
Also Published As
Publication number | Publication date |
---|---|
DE4422055C1 (de) | 1995-12-07 |
BR9506280A (pt) | 1997-08-12 |
CA2169918A1 (en) | 1996-01-04 |
CN1130936A (zh) | 1996-09-11 |
EP0715699A1 (de) | 1996-06-12 |
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