CS242492B1 - Emergency closing device with servo control - Google Patents

Emergency closing device with servo control Download PDF

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Publication number
CS242492B1
CS242492B1 CS843488A CS348884A CS242492B1 CS 242492 B1 CS242492 B1 CS 242492B1 CS 843488 A CS843488 A CS 843488A CS 348884 A CS348884 A CS 348884A CS 242492 B1 CS242492 B1 CS 242492B1
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Czechoslovakia
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control
quick
hollow shaft
emergency
pin
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CS843488A
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Czech (cs)
Slovak (sk)
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CS348884A1 (en
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Julius Simko
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Julius Simko
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Publication of CS242492B1 publication Critical patent/CS242492B1/en

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Abstract

Zariadenie pre núdzové ovládanie rýchlouzáveru so servcovládáním nezávisle od charakteru poruchy v ovládacom obvode či v samotnom ovládacom elemente. Vřeteno uzávěru je predížené dutým hriadelom, v ktorom je posuvné uložený čap s unášacom pritláčaný pružinou dc vybrania náboja ovládače) páky točné uloženého na dutom hriadeli. Čap s unášačom je možné po nasadení ručnej páky na hlavicu čapu s unášačom vtlačit do dutého hriadela a tým pootočit vretenom rýchlouzáveru bez změny polohy náboja ovládacej páky, čoho dósledkom je pohotové núdzové ručné ovládanie rýchlouzáveru. Zariadenie je možné použiť tiež v oblasti stabilných potrubných rozvodcv.Device for emergency control of a quick-action valve with servo control, regardless of the nature of the fault in the control circuit or in the control element itself. The valve spindle is extended by a hollow shaft, in which a slidingly mounted pin with a driver is pressed by a spring against the recess of the control hub) of the rotary lever mounted on the hollow shaft. The pin with the driver can be pressed into the hollow shaft after the hand lever is placed on the head of the pin with the driver and thus rotated by the quick-action valve spindle without changing the position of the control lever hub, which results in ready emergency manual control of the quick-action valve. The device can also be used in the area of stable pipeline distribution.

Description

Vynález sa týká rýchlouzáveru potrubia so servoovládaním, u ktorého v případe poruchy v ovládacom opvode, či v samotnom ovládačem elemente rýchlouzáveru, rieši jeho núdzové, t. j. ručné ovládanie.The present invention relates to a servo-controlled quick-release pipe in which, in the event of a failure in the actuating base or in the actuator itself, the quick-closing element solves the emergency shut-off thereof. j. manual control.

V súčasnosti rýchlouzáver potrubia so servoovládaním sa skládá napr. z bezprírubovej klapky, alebo gulového kohúta, ku ktorého vřetenu je připevněná ovládacia páka, spojená s tiahlom ovládacieho elementu, napr. s plestnicou hydraulického, alebo pneumatického valca. Núdzové ručné ovládanie je zabezpečené predíženou častou ramena ovládacej páky.At present, the quick-closing of the servo-controlled pipeline consists of eg. from a flanged flap or ball valve to which a control lever is attached to the spindle, connected to a control element rod, e.g. with hydraulic or pneumatic cylinder. The emergency manual control is provided by the extended part of the control lever arm.

Uvedené riešenie núdzového ovládania naráža na obmedzené možnosti použitia, čo vyplývá z dížky valnej časti cvládacej páky. Dížka ovládacej páky je priamo závislá od odporu v ovládacom válci, ktorý pri núdzovom ovládaní rýchlouzáveru třeba překonat. Spomínaná sila odporu napr. pri jednečinnom pneumatickom válci je vyvedená vratnou pružinou. Pri núdzovom ovládaní působí na ovládaciu páku silou viac ako 1700 N. Z uvedeného je zřejmé, že dížka ovládacej páky, ale aj samotná ručná manipulácia s ovládacou pákou vyžaduje dostatočný velký priestor a fyzickú silu. Z toho důvodu, ak rýchlouzáver je umiestnený v malom a dokonca v ťažko prístupnom priestore, ako je to napr. u účelových automobilov v priestore medzi nadstavbou a šasi vozidlá, spomínaný spůsob núdzového ovládania nie je možné uplatnit.Said emergency control solution encounters limited possibilities of use, which results from the length of the major part of the handle. The length of the control lever is directly dependent on the resistance in the control cylinder, which must be overcome in the case of emergency operation of the quick-release device. Said resistance resistance e.g. in the case of a single acting pneumatic cylinder, it is led out by a return spring. In the case of an emergency control, a force of more than 1700 N is exerted on the control lever. It is clear from the above that the length of the control lever, but also the manual manipulation of the control lever itself, requires sufficient space and physical force. Therefore, if the quick seal is located in a small and even hardly accessible space, such as e.g. for special-purpose vehicles in the space between the superstructure and the chassis of the vehicle, the above-mentioned emergency operation cannot be applied.

V tomto případe núdzové ovládanie rýchlouzáverom je možné uskutočniť až po odpojení piestnice, resp. tiahla ovládacieho elementu od ovládacej páky rýchlouzáveru, alebo po odstránení príslušnej poruchy v ovládacom obvode či v samotnom ovládacom elemente.In this case, the emergency shut-off control can only be performed after the piston rod has been disconnected. the rods of the actuating element from the quick-closing actuating lever, or after elimination of the respective failure in the actuating circuit or in the actuating element itself.

Vyššie uvedené nedostatky odstraňuje zariadenie pre núdzové ovládanie rýchlouzáveru podlá vynálezu, ktorého podstatou je, že vřeteno rýchlouzáveru so servoovládaním je prédlžené dutým hriadelom s pozdlžnym zárezom, v ktorom je posuvné uložený čap s unášačom a hlavicou pre ručnú páku, pritláčaný pružinou do vybrania náboja ovládacej páky točné uloženého na dutom hriadeli.The above-mentioned drawbacks are eliminated by the quick-action emergency-actuating device according to the invention, which is characterized in that the quick-acting spindle with servo-actuation is elongated by a hollow shaft with a longitudinal slot. turntable mounted on hollow shaft.

Umiestnenie čapu a unášačom v dutom hriadeli dává možnost ovládania rýchlouzáveru s ovládacím elementom a pri núdzovom ručnom ovládaní zabezpečuje nezávisle ovládanie rýchlouzáveru od servoovládania.The position of the pin and the gripper in the hollow shaft gives the possibility to operate the quick-release with the actuating element and, in the case of emergency manual operation, ensures independent operation of the quick-release from servo control.

Z uvedeného vyplývá, že zariadenie umožňuje nezávisle od charakteru poruchy pohotové ručně ovládat rýchlouzáver bez rozpojenia ovládacej páky od ovládacieho elementu. Ďalšou výhodou je, že zariadenie nevyžaduje velký priestor a pri núdzovom ovládaní nie je potřebné obsluhe vyvinúť fyzickú silu na prekonanie odporu v ovládacom elemente.It follows from the above that, irrespective of the nature of the malfunction, the device makes it possible to manually operate the quick-release device without disconnecting the operating lever from the operating element. A further advantage is that the device does not require a large amount of space and, in emergency operation, there is no need for the operator to exert physical force to overcome the resistance in the control element.

Na priloženom výkrese obr. 1 je znázorněný příklad rlešenia núdzového ovládania bezprírubovej klapky so servoriadením a na obr. 2 je znázorněný rez A—A dutým hria# delom s pohladom na zapadajúci čap s unášačom do vybrania náboje ovládacej páky.In the accompanying drawing, FIG. 1 shows an exemplary embodiment of an emergency actuation of a flange-less flap with a power steering, and FIG. 2 shows a section A-A of the hollow output shaft # gun with a view of a pin engaging in a recess in the planet carrier hub grip bar.

Uzavretá bezprírubová klapka je zovretá medzi dvoma přírubami 8 potrubia. Na vřetene 1 uzatváracej klapky je upevněný dutý hriadel 2 s pozdlžnym zárezom, v ktorom je posuvné umiestnený čap s unášačom 4 s . hlavicou 9 pre ručnú páku. Čap resp. unášacia část je pružinou 3 vtláčaná do čelného zářezu náboja ovládacej páky 5, ktorý je otočné uložený na dutom hriadeli 2. Proti zosunutiu ovládacej páky 5 z hriadela 2 je istený hriadelovou poistkou 8. Ovládacia páka 5 je spojená s tiahlom piestnice 7 ovládacieho valca.The closed flanged flap is clamped between two pipe flanges 8. A hollow shaft 2 with a longitudinal notch is fixed on the shutter spindle 1, in which a pin with a carrier 4 s is displaceably disposed. head 9 for the hand lever. Pin respectively. the drive part is pressed by a spring 3 into the front notch of the control lever hub 5, which is rotatably mounted on the hollow shaft 2. The shaft 5 is secured against sliding of the control lever 5 from the shaft 2.

Núdzové resp. ručné ovládanie bezprírubovej klapky sa dosiahne nasadením ručnej páky na hlavicu 9 čapu s unášačom 4, unášač 4 po vtlačení do dutého hriadela 2 v protisměre tlaku pružiny 3 sa uvolní z drážky náboja ovládacej páky 5, čím sa umožní otočenie dutým hriadelom 2 bez změny polohy náboja ovládacej páky 5.Emergency resp. manual actuation of the flanged flap is achieved by placing the hand lever on the head 9 of the pin with the carrier 4, the carrier 4 after being pressed into the hollow shaft 2 in the opposite direction of the spring pressure 3 is released from the hub groove of the lever control lever 5.

Uvedený vynález je možné tiež využit u rýchlouzáverov so servoriadením, určených na uzatváranie potrubných rozvodov v stabilných prevádzkových rozvodoch.The present invention can also be used in power-operated quick-action closures intended for closing piping in stable operational pipelines.

Claims (1)

PREDMET Zariadenie pre núdzové ovládanie rýchlouzáveru so servoovládaním pozostávajúce z prvkov servoovládania, vyznačené tým, že vřeteno (1) rýchlouzáveru je predlžené dutým hriadelom (2) s pozdlžnym zárezom, v VYNALEZU ktorom je posuvné uložený čap s unášačom (4) a hlavicou (9J pre ručnú páku, pritláčaný pružinou (3) do vybrania náboja ovládacej páky (5) točné uloženého na dutom hriadeli (2). 1 list výkresov 242492 Obr. 1 8SUBJECT A device for emergency control of a servo-operated quick-closing device, comprising servo-control elements, characterized in that the quick-closing spindle (1) is extended by a hollow shaft (2) with a longitudinal notch, in which the sliding bearing pin with the driver (4) and the head (9J for a hand lever pressed by a spring (3) into the hub recess of the control lever (5) rotatably mounted on the hollow shaft (2) 1 sheet of drawings 242492 Fig. 1 8
CS843488A 1984-05-11 1984-05-11 Emergency closing device with servo control CS242492B1 (en)

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CS843488A CS242492B1 (en) 1984-05-11 1984-05-11 Emergency closing device with servo control

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CS843488A CS242492B1 (en) 1984-05-11 1984-05-11 Emergency closing device with servo control

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CS348884A1 CS348884A1 (en) 1985-08-15
CS242492B1 true CS242492B1 (en) 1986-05-15

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