WO2010112650A1 - Mechanism for rapidly changing the bearing of a strut - Google Patents

Mechanism for rapidly changing the bearing of a strut Download PDF

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Publication number
WO2010112650A1
WO2010112650A1 PCT/ES2010/070179 ES2010070179W WO2010112650A1 WO 2010112650 A1 WO2010112650 A1 WO 2010112650A1 ES 2010070179 W ES2010070179 W ES 2010070179W WO 2010112650 A1 WO2010112650 A1 WO 2010112650A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
clamps
strut
shells
heads
Prior art date
Application number
PCT/ES2010/070179
Other languages
Spanish (es)
French (fr)
Inventor
Esteban Urreta Echarri
Original Assignee
Esteban Urreta Echarri
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 Esteban Urreta Echarri filed Critical Esteban Urreta Echarri
Publication of WO2010112650A1 publication Critical patent/WO2010112650A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
    • B25B27/062—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races using screws
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • F16C19/12—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly for supporting the end face of a shaft or other member, e.g. footstep bearings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063—Fixing them on the shaft
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067—Fixing them in a housing

Definitions

  • the present invention relates to a new solution for rapid change of the bearing of the buttress.
  • the flyer as the piece that holds the axis of the propeller of the ships
  • a problem not solved in the current state of the art is that concerning the change of the bearing in which its axis rotates.
  • this replacement is very slow and laborious, which forces the technical stop of the ship for a long time (several hours).
  • the removal of the bearing to be replaced is done by hitting directly on it, which entails the risk of misaligning the bush.
  • the object of the invention solves this double problem, advocating for this purpose a new mechanism or work tool for the rapid change of the bearing of the buttress.
  • An objective of the invention is to solve the change of the bearing with a minimum downtime.
  • the replacement of the bearing using the tool object of the invention is carried out in a minimum time (few minutes).
  • Another objective of the invention is to avoid the risk of misaligning the flyer, which must always maintain a perfect alignment.
  • the recommended mechanism consists of:
  • Figure 1 represents a schematic general view of the mechanism object of the invention mounted on the axis (e) of the flyer and with all its basic components in operative arrangement.
  • Figure 2 represents a schematic general perspective view of the mechanism object of the invention, with all its basic components in assembly arrangement.
  • Figure 3 represents a schematic general view similar to Figure 2, with all its basic components mounted together.
  • the object of the invention relates to a mechanism that constitutes a new solution for the rapid change of the bearing of the buttress.
  • said mechanism basically consists of the following components and particularities:
  • the half-shells (1), (1 ') are arranged by jointly hugging the tail axis (e) supported by the flyer and which, in turn, supports the ship's propeller.
  • Each half cap (1), (1 ') defines a half head (1 1), (1 1').
  • the conjunction of the half-shells (1), (1 ') implies the combination of the half-heads (1 1), (1 1') to determine a centering head.
  • an auxiliary clamp (6) can be used -or can be used to hold the half-shells (1), (2 ') before arranging the corresponding clamp (3), or (3') hugging its half-heads (1 1), (1 1 ').
  • the centering bushing (2) has an open configuration and is operatively arranged by hugging the new bearing (N) - which performs the same function as the half-shells (1), (1 ') but on the opposite side of the bush where they are arranged in the tail axis (e) -.
  • the clamps (3), (3 ') each have seats (31), (31') to accommodate tightly in them, respectively, the half-heads (1 1), (1 1 ') of the half-shells (1), ( 1 ') and to the centering bushing (2).
  • One of said clamps (3) includes two threaded holes (32) for threading in them one of the ends of said threaded studs (4), (4 ') and the other involves two through holes (33) in which they are arranged said nuts (5), (5 ').

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

Mechanism for rapidly changing the bearing of a strut, which comprises: individual identical thrust half-bushes arranged so as to face one another and which together clasp the tail shaft on one of the sides of the strut and each define half-heads that face one another in the conjunction of said thrust half-bushes; a centring bush arranged so as to clasp a new bearing, inserted on the tail shaft on the side opposite the strut; individual clamps arranged on the bow side and on the stern side of the strut, clasping, respectively, said half-heads of the thrust half-bushes and the centring bush; identical individual threaded studs in one of said clamps and in nuts that rotate freely in the other clamp; and means for rotating said nuts in the appropriate direction to generate forward movement of the studs and the consequent approach of the clamps such that the thrust half-bushes axially push the bearing of the strut for extraction thereof.

Description

"MECANISMO PARA EL CAMBIO RÁPIDO DEL COJINETE DEL ARBOTANTE" "MECHANISM FOR FAST CHANGE OF THE ARBOTANT BEARING"
D E S C R I P C I Ó ND E S C R I P C I Ó N
La presente invención se refiere a una nueva solución para el cambio rápido del cojinete del arbotante. Definido el arbotante como Ia pieza que sostiene el eje de Ia hélice de los buques, un problema no resuelto en el actual estado de Ia técnica es el referente al cambio del cojinete en el que gira su eje. Cuando se requiere el cambio de dicho cojinete (simplemente, porque se avería/deteriora y es necesario sustituirlo) esta sustitución es muy lenta y laboriosa, Io que obliga a Ia parada técnica del buque durante largo tiempo (varias horas). Por otra parte, Ia extracción del cojinete a sustituir se hace golpeando directamente sobre él, Io que conlleva riesgo de desalinear el arbotante.The present invention relates to a new solution for rapid change of the bearing of the buttress. Defined the flyer as the piece that holds the axis of the propeller of the ships, a problem not solved in the current state of the art is that concerning the change of the bearing in which its axis rotates. When the replacement of said bearing is required (simply, because it breaks down / deteriorates and it is necessary to replace it) this replacement is very slow and laborious, which forces the technical stop of the ship for a long time (several hours). On the other hand, the removal of the bearing to be replaced is done by hitting directly on it, which entails the risk of misaligning the bush.
El objeto del invento solventa esta doble problemática, preconizando a tal efecto un nuevo mecanismo o herramienta de trabajo para el cambio rápido del cojinete del arbotante.The object of the invention solves this double problem, advocating for this purpose a new mechanism or work tool for the rapid change of the bearing of the buttress.
Un objetivo de Ia invención es resolver el cambio del cojinete con un mínimo tiempo de parada. La sustitución del cojinete empleando Ia herramienta objeto del invento se realiza en un tiempo mínimo (pocos minutos).An objective of the invention is to solve the change of the bearing with a minimum downtime. The replacement of the bearing using the tool object of the invention is carried out in a minimum time (few minutes).
Otro objetivo de Ia invención es evitar el riesgo de desalinear el arbotante, que debe mantener en todo caso una alineación perfecta.Another objective of the invention is to avoid the risk of misaligning the flyer, which must always maintain a perfect alignment.
Para ello, el mecanismo preconizado, de acuerdo con el invento, consta de:For this, the recommended mechanism, according to the invention, consists of:
Para comprender mejor el objeto de Ia presente invención, se representa en los planos una forma preferente de realización práctica, susceptible de cambios accesorios que no desvirtúen su fundamento.To better understand the object of the present invention, a preferred form of practical embodiment is shown in the drawings, susceptible to accessory changes that do not distort its foundation.
La figura 1 representa una vista general esquemática en alzado del mecanismo objeto del invento montado en el eje (e) del arbotante y con todos sus componentes básicos en disposición operativa. La figura 2 representa una vista general esquemática en perspectiva del mecanismo objeto del invento, con todos sus componentes básicos en disposición de montaje.Figure 1 represents a schematic general view of the mechanism object of the invention mounted on the axis (e) of the flyer and with all its basic components in operative arrangement. Figure 2 represents a schematic general perspective view of the mechanism object of the invention, with all its basic components in assembly arrangement.
La figura 3 representa una vista general esquemática similar a Ia figura 2, con todos sus componentes básicos montados entre sí.Figure 3 represents a schematic general view similar to Figure 2, with all its basic components mounted together.
Se describe a continuación un ejemplo de realización práctica, no limitativa, del presente invento.An example of practical, non-limiting embodiment of the present invention is described below.
El objeto del invento se refiere a un mecanismo que constituye una nueva solución para el cambio rápido del cojinete del arbotante.The object of the invention relates to a mechanism that constitutes a new solution for the rapid change of the bearing of the buttress.
De conformidad con Ia invención, y según Ia realización representada, el citado mecanismo consta, básicamente de los componentes y particularidades siguientes:In accordance with the invention, and according to the embodiment represented, said mechanism basically consists of the following components and particularities:
1 , 1 '.- semicasquillos empujadores1, 1 '.- pusher half-shells
2.- casquillo centrador2.- centering bushing
3, 3'.- abrazaderas3, 3 '.- clamps
4, 4'.- espárragos roscados4, 4 '.- threaded studs
5, 5'.- tuercas5, 5 '.- nuts
6.- abrazadera auxiliar6.- auxiliary clamp
e.- eje de colae.- tail axis
Los semicasquillos (1 ), (1 ') se disponen abrazando conjuntamente al eje de cola (e) sostenido por el arbotante y que, a su vez, sostiene a Ia hélice del buque. Cada semicasquillo (1 ), (1 ') define una semicabeza (1 1 ), (1 1 '). La conjunción de los semicasquillos (1 ), (1 ') implica Ia conjunción de las semicabezas (1 1 ), (1 1 ') para determinar una cabeza centradora. Adicionalmente, se emplea -o puede emplearse- una abrazadera auxiliar (6), para sujetar los semicasquillos (1 ), (2') antes de disponer Ia correspondiente abrazadera (3), ó (3') abrazando sus semicabezas (1 1 ), (1 1 ').The half-shells (1), (1 ') are arranged by jointly hugging the tail axis (e) supported by the flyer and which, in turn, supports the ship's propeller. Each half cap (1), (1 ') defines a half head (1 1), (1 1'). The conjunction of the half-shells (1), (1 ') implies the combination of the half-heads (1 1), (1 1') to determine a centering head. Additionally, an auxiliary clamp (6) can be used -or can be used to hold the half-shells (1), (2 ') before arranging the corresponding clamp (3), or (3') hugging its half-heads (1 1), (1 1 ').
El casquillo centrador (2) es de configuración abierta y se dispone operativamente abrazando al nuevo cojinete (N) -que ejerce Ia misma función que los semicasquillos (1 ), (1 ') pero por el lado opuesto del arbotante donde van dispuestos éstos en el eje de cola (e)-.The centering bushing (2) has an open configuration and is operatively arranged by hugging the new bearing (N) - which performs the same function as the half-shells (1), (1 ') but on the opposite side of the bush where they are arranged in the tail axis (e) -.
Las abrazaderas (3), (3') comportan sendos asientos (31 ), (31 ') para alojar ajustadamente en ellos a, respectivamente, las semicabezas (1 1 ), (1 1 ') de los semicasquillos (1 ), (1 ') y al casquillo centrador (2). Una de dichas abrazaderas (3) comporta sendos orificios roscados (32) para roscar en ellos uno de los extremos de los citados espárragos roscados (4), (4') y Ia otra comporta sendos orificios pasantes (33) en los que se disponen las citadas tuercas (5), (5').The clamps (3), (3 ') each have seats (31), (31') to accommodate tightly in them, respectively, the half-heads (1 1), (1 1 ') of the half-shells (1), ( 1 ') and to the centering bushing (2). One of said clamps (3) includes two threaded holes (32) for threading in them one of the ends of said threaded studs (4), (4 ') and the other involves two through holes (33) in which they are arranged said nuts (5), (5 ').
Con estos elementos, estructura, disposición y particularidades Ia operatividad del mecanismo tiene lugar:With these elements, structure, arrangement and particularities the operability of the mechanism takes place:
- disponiendo los semicasquillos (1 ), (1 ') enfrentados entres si, abrazandonconjuntamente al eje de cola (e) por uno de los lados del arbotante, y sujetándolos en esta posición mediante abrazadera auxiliar (6);- arranging the half-shells (1), (1 ') facing each other if, jointly hugging the tail axis (e) on one side of the buttress, and holding them in this position by means of an auxiliary clamp (6);
- disponiendo el nuevo cojinete (N) en el lado opuesto, e indsertando en él el casquillo centrador (2);- arranging the new bearing (N) on the opposite side, and inserting in it the centering bushing (2);
disponiendo las abrazaderas (3), (3') una (3) abrazando las semicabezas (1 1 ), (1 1 ') de los semicasquillos (1 ), (1 ') y Ia otra (3') abrazando el casquillo centrador (2);arranging the clamps (3), (3 ') one (3) hugging the half-heads (1 1), (1 1') of the half-shells (1), (1 ') and the other (3') hugging the centering bushing (2);
- insertando los espárragos roscados (4), (4') en los orificios roscados (32) una de las abrazaderas (3) y disponiendo las tuercas (5), (5'), previamente insertadas por roscado en dichos espárragos (4), (4'), en los orificios pasantes ((33) de Ia otra abrazadera (3'); -A-- inserting the threaded studs (4), (4 ') into the threaded holes (32) one of the clamps (3) and arranging the nuts (5), (5'), previously threadedly inserted into said studs (4) , (4 '), in the through holes ((33) of the other clamp (3'); -TO-
haciendo girar dichas tuercas (5), (5') en el sentido apropiado para que las abrazaderas (3), (3') tiendan a aproximarse, con el consiguiente empuje axial de los semicasquillos (1 ), (1 ') sobre el cojinete a sustituir. rotating said nuts (5), (5 ') in the proper direction so that the clamps (3), (3') tend to approach, with the consequent axial thrust of the half-shells (1), (1 ') on the bearing to replace.

Claims

-1-REIVINDICACIONES -1-CLAIMS
1.- Mecanismo para el cambio rápido del cojinete del arbotante, caracterizado porque consta de: a) sendos idénticos semicasquillos empujadores (1), (1') que se disponen enfrentados entre sí, abrazan conjuntamente al eje de cola (e) por uno de los lados del arbotante y definen sendas semicabezas (11), (11') enfrentadas en Ia conjunción de dichos semicasquillos empujadores (1), (1'); b) un casquillo centrador (2) que se dispone abrazando a un nuevo cojinete (N), insertado en el eje de cola (e) por el lado opuesto del arbotante; c) sendas abrazaderas (3), (3') dispuestas a proa y a popa del arbotante abrazando, respectivamente, a las citadas semicabezas (11), (11') de dichos semicasquillos empujadores (1), (1') y al casquillo centrador (2) ; d) sendos idénticos espárragos (4), (4') roscados en una de las citadas abrazaderas (3) y en unas tuercas (5), (5') que giran libremente en Ia otra abrazadera (3') ; e) medios para hacer girar dichas tuercas (5), (5') en el sentido apropiado para provocar el avance de los espárragos (4), (4') y consiguiente aproximación de las abrazaderas (3), (3') para que los semicasquillos empujadores (1), (1') empujen axialmente al cojinete del arbotante para su extracción.1.- Mechanism for the rapid change of the bearing of the buttress, characterized in that it consists of: a) identical two half-shells thrusters (1), (1 ') that are arranged facing each other, jointly embrace the tail axis (e) by one on the sides of the buttress and define half-heads (11), (11 ') facing each other in the conjunction of said pusher half-shells (1), (1'); b) a centering bushing (2) that is disposed by hugging a new bearing (N), inserted in the tail shaft (e) on the opposite side of the flyer; c) two clamps (3), (3 ') arranged forward and aft of the buttress hugging, respectively, the aforementioned half-heads (11), (11') of said pusher half-shells (1), (1 ') and the bushing centering (2); d) identical identical studs (4), (4 ') threaded in one of said clamps (3) and in nuts (5), (5') that rotate freely in the other clamp (3 '); e) means for rotating said nuts (5), (5 ') in the proper direction to cause the advance of the studs (4), (4') and consequent approximation of the clamps (3), (3 ') to that the half-shells pushers (1), (1 ') push axially to the bearing of the buttresser for its extraction.
2.- Mecanismo para el cambio rápido del cojinete del arbotante, según reivindicación 1, caracterizado porque el casquillo centrador (2) es de configuración abierta.2. Mechanism for the rapid change of the bearing of the bush, according to claim 1, characterized in that the centering bushing (2) is open configuration.
3.- Mecanismo para el cambio rápido del cojinete del arbotante, según reivindicación 1, caracterizado porque el las abrazaderas (3), (3') son de configuración abierta y disponen sendos asientos (31), (31') para, respectivamente, alojar ajustadamente a las semi-cabezas (11), (11') y al casquillo (2). 3. Mechanism for the rapid change of the bearing of the buttress, according to claim 1, characterized in that the clamps (3), (3 ') are open configuration and have separate seats (31), (31') for, respectively, tightly accommodate the semi-heads (11), (11 ') and the bushing (2).
PCT/ES2010/070179 2009-04-02 2010-03-25 Mechanism for rapidly changing the bearing of a strut WO2010112650A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200900909A ES2357201B1 (en) 2009-04-02 2009-04-02 MECHANISM FOR QUICK CHANGE OF THE ARBOTANT BEARING.
ESP200900909 2009-04-02

Publications (1)

Publication Number Publication Date
WO2010112650A1 true WO2010112650A1 (en) 2010-10-07

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ID=42827509

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WO (1) WO2010112650A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112983979B (en) * 2021-02-28 2022-02-18 东台市海鹏船舶配件有限公司 Cross-over positioning type rubber bearing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191003333A (en) * 1910-02-10 1910-07-07 Reginald Haddan Improvements relating to Roller Bearings.
GB2053339A (en) * 1979-06-20 1981-02-04 Grimandi M A support and clamping ring
ES2206143T3 (en) * 1999-07-29 2004-05-16 Morgan Construction Company HYDRAULICALLY OPERATED TOOL TO ASSEMBLE AND DISASSEMBLE THE CYLINDER GORRON BEARINGS.
EP1457695A1 (en) * 2003-03-10 2004-09-15 Snr Roulements Rolling element bearing mounted in a bearing seat of a housing with a reversible movable snap ring
ES2296132T3 (en) * 2004-03-10 2008-04-16 Autoliv Development Ab CONFIGURATION OF A STEERING WHEEL.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191003333A (en) * 1910-02-10 1910-07-07 Reginald Haddan Improvements relating to Roller Bearings.
GB2053339A (en) * 1979-06-20 1981-02-04 Grimandi M A support and clamping ring
ES2206143T3 (en) * 1999-07-29 2004-05-16 Morgan Construction Company HYDRAULICALLY OPERATED TOOL TO ASSEMBLE AND DISASSEMBLE THE CYLINDER GORRON BEARINGS.
EP1457695A1 (en) * 2003-03-10 2004-09-15 Snr Roulements Rolling element bearing mounted in a bearing seat of a housing with a reversible movable snap ring
ES2296132T3 (en) * 2004-03-10 2008-04-16 Autoliv Development Ab CONFIGURATION OF A STEERING WHEEL.

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Publication number Publication date
ES2357201B1 (en) 2012-12-21
ES2357201A1 (en) 2011-04-20

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