ES2229894A1 - Unclamping system consists of divisible ring with at least three sections, collar, gyroscope and conical adjacent surfaces - Google Patents

Unclamping system consists of divisible ring with at least three sections, collar, gyroscope and conical adjacent surfaces

Info

Publication number
ES2229894A1
ES2229894A1 ES200301082A ES200301082A ES2229894A1 ES 2229894 A1 ES2229894 A1 ES 2229894A1 ES 200301082 A ES200301082 A ES 200301082A ES 200301082 A ES200301082 A ES 200301082A ES 2229894 A1 ES2229894 A1 ES 2229894A1
Authority
ES
Spain
Prior art keywords
ring
divisible
impeller
segments
conical
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
Application number
ES200301082A
Other languages
Spanish (es)
Other versions
ES2229894B2 (en
Inventor
Cornelis Albert Van Der Neut
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHC Holland NV
Original Assignee
IHC Holland NV
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 IHC Holland NV filed Critical IHC Holland NV
Publication of ES2229894A1 publication Critical patent/ES2229894A1/en
Application granted granted Critical
Publication of ES2229894B2 publication Critical patent/ES2229894B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F16D1/0852—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft
    • F16D1/0864—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft due to tangential loading of the hub, e.g. a split hub

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The unclamping ring system comprises a divisible ring (2) positioned between a collar (8) on the axle (1) and the pump gyroscope (4). The ring consists of at least three annular sections held on the axle and which are comically shaped on adjacent surfaces (7,9) of the collar and of the divisible ring. The surface (10) pointing towards the gyroscope is conical

Description

Conjunto de anillo de desbloqueo para uso con un árbol y una parte, tal como un rodete de bomba, fijada a él por medios de rosca.Unlocking ring assembly for use with a tree and a part, such as a pump impeller, fixed to it by thread means.

La invención se refiere a un conjunto de anillo de desbloqueo para uso con un árbol y una parte, tal como un rodete de bomba, fijada a él por medios de rosca, comprendiendo dicho conjunto de anillo de desbloqueo un anillo divisible que está montado entre un resalto situado en el árbol y dicho rodete de bomba, y que, visto en dirección circunferencial, consiste en, al menos, tres segmentos de anillo, estando previstos medios para retener dichos segmentos de anillo sobre dicho árbol, estando las superficies apoyadas a tope del resalto y del anillo divisible configuradas en forma de cono de tal modo que los segmentos de anillo estén sueltos en relación con el resalto.The invention relates to a ring assembly for unlocking for use with a tree and a part, such as an impeller of pump, fixed to it by means of thread, said said unlocking ring assembly a divisible ring that is mounted between a projection located in the tree and said impeller of pump, and that, seen in the circumferential direction, consists of, at less, three ring segments, means being provided for retaining said ring segments on said tree, the butt supported surfaces of the shoulder and the splittable ring cone-shaped configured such that the segments of ring are loose in relation to the shoulder.

Un conjunto de este tipo se usa, por ejemplo, con una bomba de dragado. Durante el funcionamiento de una bomba de este tipo, se ejerce un par considerable sobre el rodete. Como consecuencia de ello, el rodete de bomba se enroscará en el árbol de bomba tan apretadamente que después será casi imposible soltar el rodete de bomba. Este problema se soluciona, hasta cierto punto, usando el anillo segmentado.A set of this type is used, for example, with A dredge bomb. During the operation of a pump this type, a considerable torque is exerted on the impeller. How as a result, the pump impeller will be screwed into the tree pump so tightly that afterwards it will be almost impossible to release the pump impeller This problem is solved, to some extent, using the segmented ring.

Sin embargo, el constante aumento de la potencia de accionamiento de este tipo de bombas en el curso del tiempo ha puesto de manifiesto que cada vez resulta más difícil separar los segmentos de anillo del espacio entre el resalto y el rodete en la forma usual, a golpe de martillo, cuando se desmonta el rodete. Por el hecho de que las superficies de contacto de los segmentos de anillo con el rodete de la bomba son perpendiculares al eje del rodete de la bomba, y por lo tanto no están sueltas, se produce una gran fuerza de rozamiento entre ellas que contrarresta los golpes para separar dichos segmentos de anillo. Además, cuando se golpea para separar los segmentos de anillo, se ejerce un momento de basculación sobre la sección transversal del anillo, como consecuencia del comportamiento de distensión asimétrica de los segmentos, que hace que la fuerza normal, y, por lo tanto, el rozamiento entre las superficies de contacto, aumenten más. A causa de ello, en particular con partes de grandes dimensiones, la separación a golpes de los segmentos de anillo provocará grandes dificultades.However, the constant increase in power of driving this type of pumps in the course of time has revealed that it is increasingly difficult to separate ring segments of the space between the shoulder and the impeller in the usual way, by hammering, when the impeller is disassembled. By the fact that the contact surfaces of the segments of ring with the pump impeller are perpendicular to the axis of the pump impeller, and therefore are not loose, a great friction force between them that counteracts blows to separate said ring segments. Also, when it hits to separate the ring segments, a moment of tilt over the cross section of the ring, such as consequence of the asymmetrical distension behavior of segments, which causes normal force, and therefore the friction between the contact surfaces, increase more. Because of this, in particular with large parts, the shock separation of the ring segments will cause large difficulties.

Hemos comprobado ahora que dichas dificultades pueden ser eliminadas cuando la superficie de los segmentos de anillo orientada al rodete está también diseñada en forma de cono de tal modo que esta superficie también esté distendida.We have now verified that these difficulties can be removed when the surface of the segments of impeller-oriented ring is also cone-shaped such that this surface is also distended.

En particular, las dos superficies cónicas de los segmentos de anillo que se extienden radialmente se alejan una respecto a otra cuando se observan desde el eje del árbol.In particular, the two conical surfaces of the radially extending ring segments move away a relative to another when viewed from the axis of the tree.

Básicamente, sería posible realizar la superficie del rodete que apoyará a tope con los segmentos de anillo, con la forma de un cono que ajuste con la superficie cónica de los segmentos de anillo. Sin embargo, esto tiene la dificultad de que, entonces, los rodetes tienen que ser adaptados y que ya no será posible el reemplazo de los rodetes sin adaptación.Basically, it would be possible to make the surface of the impeller that will support butt with the ring segments, with the shape of a cone that fits with the conical surface of the ring segments However, this has the difficulty that, then, the impellers have to be adapted and that will no longer be possible the replacement of the impellers without adaptation.

En consecuencia, según la invención, está previsto situar un anillo separador sin dividir entre el anillo divisible y el rodete, apoyando a tope una superficie que se extiende radialmente de dicho anillo separador sin dividir con la superficie adjunta del rodete, mientras que la otra superficie, que se extiende substancialmente en dirección radial, tiene un diseño cónico y está adaptada a la superficie cónica del anillo divisible.Consequently, according to the invention, it is planned to place a spacer ring without dividing between the ring divisible and the impeller, fully supporting a surface that extends radially from said spacer ring without dividing with the attached surface of the impeller, while the other surface, which It extends substantially in radial direction, has a design conical and is adapted to the conical surface of the ring divisible.

En esta realización, el rodete no necesita ser adaptado en absoluto, únicamente el anillo dividido, y además se usa un anillo separador independiente.In this embodiment, the impeller does not need to be adapted at all, only the split ring, and also use a separate spacer ring.

En particular, el anillo separador será recibido en una cavidad del anillo dividido. Por esta razón, puede mantenerse la distancia entre la superficie cónica del resalto del árbol y la superficie que apoya a tope del rodete. De este modo, después del montaje, el rodete estará situado en la misma posición, como si no estuviera presente el anillo separador adicional. Además, se consigue que, al separar a golpes el anillo dividido, el anillo de separación no resulte dañado.In particular, the separator ring will be received in a cavity of the divided ring. For this reason, you can keep the distance between the conical surface of the shoulder of the tree and the surface that supports the butt of the impeller. In this way, after assembly, the impeller will be located in the same position, as if the extra spacer ring was not present. In addition, it is achieved that, by beating the split ring, the separation ring is not damaged.

Aunque en lo que antecede se ha expuesto el montaje de un rodete en un árbol de bomba, resultará obvio que esto se ha hecho solamente a modo de ejemplo. Naturalmente, la invención puede ser aplicada en otras estructuras que tengan una parte enroscada en un árbol.Although in the foregoing the mounting an impeller on a pump shaft, it will be obvious that this It has been done by way of example only. Naturally the invention it can be applied in other structures that have a part curled up in a tree.

La invención también comprende la realización especial del anillo segmentado y el anillo separador acomodado en una cavidad de dicho anillo segmentado. Obviamente, estas partes se requieren para lograr el conjunto descrito.The invention also comprises the embodiment special segmented ring and spacer ring accommodated in a cavity of said segmented ring. Obviously, these parts are required to achieve the set described.

La invención se explica adicionalmente por medio de una realización ilustrada en los dibujos, en los que:The invention is further explained by means of an embodiment illustrated in the drawings, in which:

la figura 1 muestra una sección transversal axial del extremo de un árbol que tiene un rodete enroscado en él, y en el que se usa un conjunto de anillo de desbloqueo según la invención; yFigure 1 shows an axial cross section from the end of a tree that has an impeller curled in it, and in which is used an unlock ring assembly according to the invention; Y

la figura 2 muestra una vista en dirección axial del árbol con el conjunto de anillo de desbloqueo montado en él.Figure 2 shows an axial direction view of the tree with the unlocking ring assembly mounted on he.

En la figura 1, el árbol se indica con 1, el anillo divisible del conjunto de anillo de desbloqueo, con 2, el anillo separador, con 3, y, el rodete, con 4. El extremo 5 del árbol 1 está provisto de un roscado exterior y el rodete 4 está provisto de un roscado interior 6.In figure 1, the tree is indicated by 1, the divisible ring of the unlocking ring assembly, with 2, the spacer ring, with 3, and, the impeller, with 4. The end 5 of the shaft 1 is provided with an external thread and impeller 4 is provided with an internal thread 6.

El árbol 1 está provisto de una superficie cónica 7 para formar un resalto 8, y el anillo divisible 2 está provisto de una superficie cónica 9, que apoya a tope contra la superficie 7. El anillo 2 está provisto, además, de una superficie cónica 10 que apoya a tope con la superficie cónica 11 del anillo separador 3. La otra superficie 12 del anillo separador 3, que se extiende radialmente, apoya a tope con la superficie 13 del rodete 4. Las superficies 12 y 13 se extienden casi perpendicularmente al eje del árbol 1.Tree 1 is provided with a conical surface 7 to form a shoulder 8, and the divisible ring 2 is provided of a conical surface 9, which abuts against surface 7. The ring 2 is also provided with a conical surface 10 which butt supports the conical surface 11 of the spacer ring 3. The another surface 12 of the spacer ring 3, which extends radially, it supports butt with the surface 13 of the impeller 4. The surfaces 12 and 13 extend almost perpendicular to the axis of the tree 1.

Como se desprende de la figura 2, el anillo 2 comprende tres segmentos 14, estando provisto, cada uno, de labios sobresalientes 15 y 16. Los labios 15 y 16 de dos segmentos 14 sucesivos se conectan entre sí por medio de pernos 17. Después de retirar los pernos 17, los labios 16 pueden ser golpeados para hacer salir los segmentos 14 del espacio entre el resalto 8 del árbol 1 y el anillo separador 3. Después de ello, el rodete 4 puede ser retirado fácilmente del árbol 1, porque la tensión axial entre el rodete 4 y el resalto 8 del árbol 1 ha sido eliminada.As can be seen from figure 2, ring 2 it comprises three segments 14, each being provided with lips protruding 15 and 16. The lips 15 and 16 of two segments 14 successive ones are connected to each other by means of bolts 17. After remove bolts 17, lips 16 can be hit to make exit the segments 14 of the space between the highlight 8 of the tree 1 and the spacer ring 3. After that, the impeller 4 can be easily removed from shaft 1, because the axial tension between the impeller 4 and the highlight 8 of tree 1 has been removed.

En los dibujos se indica que los segmentos 14 están conectados entre sí a través de los labios 15, 16 y los pernos 17, para retener los segmentos en el árbol 1. No obstante, pueden ser usados otros medios para retener los segmentos. Así, se podría usar, por ejemplo, un anillo de sujeción o banda de sujeción no divisible que esté aplicado en torno a los segmentos de anillo. En ese caso, los segmentos no estarán provistos de los labios 15 y 16. Asimismo, los segmentos podrían estar conectados entre sí mediante una conexión soldada, de tal modo que esta conexión pueda ser cortada con facilidad.The drawings indicate that segments 14 they are connected to each other through lips 15, 16 and bolts 17, to retain the segments in the shaft 1. However, other means can be used to retain the segments. Thus could use, for example, a clamp ring or clamp band not divisible that is applied around the ring segments. In that case, the segments will not be provided with lips 15 and 16. Also, the segments could be connected to each other through a soldered connection, so that this connection can be cut easily.

Por lo tanto, resultará evidente que sólo una posible realización de un conjunto de anillo de desbloqueo según la invención se ha ilustrado en los dibujos y se ha descrito anteriormente y que pueden ser hechos muchos cambios sin salir del ámbito de la idea inventiva según se indica en las reivindicaciones.Therefore, it will be clear that only one possible realization of an unlocking ring assembly according to the invention has been illustrated in the drawings and described previously and that many changes can be made without leaving the scope of the inventive idea as indicated in the claims.

Claims (5)

1. Conjunto de anillo de desbloqueo para usar con un árbol (1) y una parte, tal como un rodete (4) de bomba, fijada a él por medios de rosca (6), comprendiendo dicho conjunto de anillo de desbloqueo un anillo divisible (2) que está montado entre un resalto (8), situado en el árbol (1), y dicho rodete (4) de bomba, y que visto en dirección circunferencial, consiste en, al menos, tres segmentos (14) de anillo, estando previstos medios para retener dichos segmentos de anillo sobre dicho árbol (1), estando las superficies apoyadas a tope (7 y 9, respectivamente) del resalto (8) y del anillo divisible (2) configuradas en forma de cono, de modo que los segmentos (14) de anillo estén distendidos en relación con el resalto (8), caracterizado porque la superficie (10) de los segmentos (14) de anillo orientada al rodete (4) está diseñada también de tal modo que esta superficie está, asimismo, distendida.1. Unlocking ring assembly for use with a shaft (1) and a part, such as a pump impeller (4), fixed thereto by thread means (6), said unlocking ring assembly comprising a divisible ring (2) which is mounted between a shoulder (8), located in the shaft (1), and said pump impeller (4), and which seen in the circumferential direction, consists of at least three ring segments (14) , means being provided for retaining said ring segments on said shaft (1), the buttressed surfaces (7 and 9, respectively) being of the shoulder (8) and the divisible ring (2) configured in a cone-shaped manner, so that the ring segments (14) are distended in relation to the shoulder (8), characterized in that the surface (10) of the ring segments (14) oriented to the impeller (4) is also designed such that this surface is also distended. 2. Conjunto de anillo de desbloqueo según la reivindicación 1, caracterizado porque un anillo separador sin dividir (3) está situado entre el anillo divisible (2) y el rodete (4), apoyando una superficie (12) de dicho anillo separador sin dividir (3), que se extiende radialmente a tope con la superficie adjunta (13) del rodete (4), mientras que la otra superficie (11), que se extiende substancialmente en dirección radial, tiene un diseño cónico y está adaptada a la superficie cónica (10) del anillo divisible (2).2. Unlocking ring assembly according to claim 1, characterized in that an undivided spacer ring (3) is located between the divisible ring (2) and the impeller (4), supporting a surface (12) of said undivided spacer ring (3), which extends radially butt with the attached surface (13) of the impeller (4), while the other surface (11), which extends substantially in the radial direction, has a conical design and is adapted to the surface conical (10) of the divisible ring (2). 3. Conjunto de anillo de desbloqueo según la reivindicación 2, caracterizado porque el anillo separador (3) es recibido en una cavidad del anillo dividido (2).3. Unlocking ring assembly according to claim 2, characterized in that the spacer ring (3) is received in a cavity of the split ring (2). 4. Anillo divisible (2) y anillo separador (3) para usar con el conjunto de anillo de desbloqueo según una de las reivindicaciones precedentes, caracterizado porque la superficie (10) del anillo divisible, situada en dirección opuesta a la superficie cónica (9) que puede apoyar a tope con el resalto (8) del árbol (1), tiene un diseño cónico, y porque esta superficie cónica (10) está apoyada a tope con una superficie cónica (11) del anillo separador (3) diseñada correspondientemente.4. Divisible ring (2) and spacer ring (3) for use with the unlocking ring assembly according to one of the preceding claims, characterized in that the surface (10) of the divisible ring, located in the opposite direction to the conical surface (9 ) which can fully support the shoulder (8) of the tree (1), has a conical design, and because this conical surface (10) is fully supported with a conical surface (11) of the spacer ring (3) correspondingly designed . 5. Anillo divisible (2) y anillo separador (3) según la reivindicación 4, caracterizados porque el anillo separador (3) está acomodado en una cavidad del anillo divisible (2).5. Divisible ring (2) and spacer ring (3) according to claim 4, characterized in that the spacer ring (3) is accommodated in a cavity of the divisible ring (2).
ES200301082A 2002-05-17 2003-05-12 UNLOCK RING ASSEMBLY FOR USE WITH A TREE AND A PART, SUCH AS A PUMP BEARING, FIXED TO THEM THROUGH. Expired - Lifetime ES2229894B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1020618A NL1020618C2 (en) 2002-05-17 2002-05-17 De-clamping ring system for use with a shaft and a threaded part, such as a pump impeller.
NL1020618 2002-05-17

Publications (2)

Publication Number Publication Date
ES2229894A1 true ES2229894A1 (en) 2005-04-16
ES2229894B2 ES2229894B2 (en) 2006-07-16

Family

ID=29398573

Family Applications (1)

Application Number Title Priority Date Filing Date
ES200301082A Expired - Lifetime ES2229894B2 (en) 2002-05-17 2003-05-12 UNLOCK RING ASSEMBLY FOR USE WITH A TREE AND A PART, SUCH AS A PUMP BEARING, FIXED TO THEM THROUGH.

Country Status (4)

Country Link
BE (1) BE1015474A3 (en)
DE (1) DE10317965B4 (en)
ES (1) ES2229894B2 (en)
NL (1) NL1020618C2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656785A (en) * 1970-03-14 1972-04-18 Peter Oskar E Hub-to-shaft connection
WO1989008206A1 (en) * 1988-02-24 1989-09-08 Pfaff Haushaltmaschinen Gmbh Device for fixing a ring on a shaft
WO1989011598A1 (en) * 1988-05-25 1989-11-30 Roger Svensson Device at expandable mounting means
US4979842A (en) * 1987-11-10 1990-12-25 Tas Schafer Gmbh Technik Fur Antrieb Und Steuerung Hydraulically actuatable shrinking disc, particularly for force transmitting connection of a hub with a shaft
US6099199A (en) * 1996-05-15 2000-08-08 Mullenberg; Ralph Cone clamping set

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL102293C (en) * 1900-01-01
DE1784995U (en) * 1958-12-05 1959-03-12 Kuehnle Kopp Kausch Ag ARRANGEMENT FOR WHEEL FASTENING.
US4065846A (en) * 1976-06-14 1978-01-03 Bechtel International Corporation Process for constructing clamp-welded pipe joint
SU1498995A1 (en) * 1986-04-22 1989-08-07 Научно-исследовательский институт по проблемам Курской магнитной аномалии им.Л.Д.Шевякова Device for attaching threaded part on a shaft
US4812285A (en) * 1986-10-30 1989-03-14 Westinghouse Electric Corp. Instrumentation port clamps and clamping systems
DE3705638C1 (en) * 1987-02-21 1988-09-08 Bosch Gmbh Robert Clamping device for axially clamping a disk-shaped tool, in particular a grinding wheel, on a flange of a driven spindle
NL1014201C2 (en) * 1999-07-09 2001-01-10 Dsm Nv Process for the hydrogenation of a polymer composed of diene monomer units and monomer units containing a nitrile group.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656785A (en) * 1970-03-14 1972-04-18 Peter Oskar E Hub-to-shaft connection
US4979842A (en) * 1987-11-10 1990-12-25 Tas Schafer Gmbh Technik Fur Antrieb Und Steuerung Hydraulically actuatable shrinking disc, particularly for force transmitting connection of a hub with a shaft
WO1989008206A1 (en) * 1988-02-24 1989-09-08 Pfaff Haushaltmaschinen Gmbh Device for fixing a ring on a shaft
WO1989011598A1 (en) * 1988-05-25 1989-11-30 Roger Svensson Device at expandable mounting means
US6099199A (en) * 1996-05-15 2000-08-08 Mullenberg; Ralph Cone clamping set

Also Published As

Publication number Publication date
NL1020618C2 (en) 2003-11-18
BE1015474A3 (en) 2005-04-05
DE10317965B4 (en) 2014-06-26
ES2229894B2 (en) 2006-07-16
DE10317965A1 (en) 2003-11-27

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