FR2690718A1 - Safety device for holding tools automatically - comprises conical tip cooperating with conical orifice,and bolting assembly and also having holding member corresponding to, and cooperating with bolting assembly to retain tool with predetermined play - Google Patents

Safety device for holding tools automatically - comprises conical tip cooperating with conical orifice,and bolting assembly and also having holding member corresponding to, and cooperating with bolting assembly to retain tool with predetermined play Download PDF

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Publication number
FR2690718A1
FR2690718A1 FR9205442A FR9205442A FR2690718A1 FR 2690718 A1 FR2690718 A1 FR 2690718A1 FR 9205442 A FR9205442 A FR 9205442A FR 9205442 A FR9205442 A FR 9205442A FR 2690718 A1 FR2690718 A1 FR 2690718A1
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FR
France
Prior art keywords
tool
cooperating
locking
conical
bolting assembly
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
FR9205442A
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French (fr)
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FR2690718B1 (en
Inventor
Marchetta Henri
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.)
Groupe Pel Job
Original Assignee
Groupe Pel Job
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 Groupe Pel Job filed Critical Groupe Pel Job
Priority to FR9205442A priority Critical patent/FR2690718B1/en
Publication of FR2690718A1 publication Critical patent/FR2690718A1/en
Application granted granted Critical
Publication of FR2690718B1 publication Critical patent/FR2690718B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/364—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat using wedges
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3663—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The security device comprises at least a conical tip (5,2) adapted to cooperate with a conical orifice (3,4) and a bolting assembly (6,7). The main feature is that the device comprises holding members in a form corresponding to and cooperating with the bolting assembly (6,7) to retain the tool with a predetermined amount of play. The bolting assembly preferably comprises a bolting or analogue contact (7) on the tool and a bolting prop (6) fixed to the holding machine. USE - For excavation machines or analogue machines.

Description

DISPOSITIF DE SECURITE POUR PRISE AUTOMATIQUE
D'OUTILS, EN PARTICULIER POUR MACHINES DE TERRASSEMENT OU
ANALOGUE
L'invention concerne un dispositif de sécurité pour prise automatique d'outils.SAFETY DEVICE FOR AUTOMATIC TAKING
TOOLS, PARTICULARLY FOR EARTHMOVING MACHINES OR
SIMILAR
The invention relates to a safety device for automatic tool taking.

Le brevet français 80 02095 décrit un dispositif formant prise automatique d'outils, en particulier pour des excavateurs, chargeurs et autres machines de terrassement. French patent 80,02095 describes a device forming an automatic tool grip, in particular for excavators, loaders and other earthmoving machines.

Ces dispositifs connus donnent généralement satisfaction, mais présentent l'inconvénient suivant lorsque l'outil est fortement encrassé au voisinage du plot de verrouillage, la béquille de verrouillage nlest plus appliquée derrière le plot. These known devices are generally satisfactory, but have the following drawback when the tool is heavily fouled in the vicinity of the locking stud, the locking stand is no longer applied behind the stud.

I1 en résulte que l'outil non verrouillé peut se décrocher lors des manoeuvres de la machine de terrassement et provoquer des dommages matériels ou des accidents graves. As a result, the unlocked tool can come off during the operation of the earthmoving machine and cause material damage or serious accidents.

L'invention a pour but de remédier à l'inconvénient précité, en proposant un dispositif de sécurité qui retient l'outil et avertit le conducteur de la machine de terrassement du non-engagement de la béquille de verrouillage. The invention aims to remedy the aforementioned drawback, by proposing a safety device which retains the tool and warns the operator of the earth-moving machine of the non-engagement of the locking stand.

Le conducteur de la machine de terrassement ainsi averti intervient ensuite pour assurer le verrouillage par application de la béquille derrière le plot de verrouillage, si nécessaire après nettoyage de la portée correspondante. The operator of the earthmoving machine thus warned then intervenes to ensure locking by applying the stand behind the locking stud, if necessary after cleaning the corresponding span.

L'invention a pour objet un dispositif de sécurité pour prise automatique dloutil, comportant au moins un embout conique apte à coopérer avec un orifice conique et un ensemble de verrouillage, caractérisé en ce que le dispositif comporte un moyen de retenue de forme correspondante et coopérant avec l'ensemble de verrouillage pour retenir l'outil avec un jeu prédéterminé. The invention relates to a safety device for automatic tool grip, comprising at least one conical tip capable of cooperating with a conical orifice and a locking assembly, characterized in that the device comprises a retaining means of corresponding shape and cooperating with the locking assembly for retaining the tool with a predetermined play.

Selon d'autres caractéristiques de l'invention
- l'ensemble de verrouillage comporte un plot de verrouillage ou analogue sur l'outil et une béquille de verrouillage solidaire de la machine preneuse, le moyen de retenue comporte un bord situé en retrait du plot de verrouillage, de manière à retenir l'outil par coopération de la béquille et dudit bord
- le jeu prédéterminé est de l'ordre de ou inférieur à la moitié de la longueur d'engagement d'un embout sur un orifice correspondant
- la largeur du moyen de retenue est de l'ordre de ou inférieure à la largeur de la partie correspondante de l'ensemble de verrouillage
- le moyen de retenue présente une forme rectangulaire.According to other features of the invention
the locking assembly comprises a locking stud or the like on the tool and a locking stand secured to the gripping machine, the retaining means comprises an edge set back from the locking stud so as to retain the tool by cooperation of the stand and said edge
- the predetermined clearance is of the order of or less than half the length of engagement of a nozzle on a corresponding orifice
the width of the retaining means is of the order of or less than the width of the corresponding part of the locking assembly
- The retaining means has a rectangular shape.

- la forme rectangulaire est découpée dans une tôle et soudée directement sur un plot de verrouillage solidaire de l'outil à prendre. - The rectangular shape is cut from a sheet and welded directly to a locking stud secured to the tool to be taken.

L'invention sera mieux comprise grâce à la description qui va suivre donnée à titre d'exemple non limitatif au regard des dessins annexés dans lesquels
La figure 1 représente une vue schématique d'un dispositif formant prise automatique d'outils de l'art antérieur avec indication de la position de verrouillage.The invention will be better understood thanks to the description which follows given by way of nonlimiting example with regard to the appended drawings in which
FIG. 1 represents a schematic view of a device forming an automatic grip for tools of the prior art with indication of the locking position.

La figure 2 représente une vue schématique d'un dispositif formant prise automatique d'outils de l'art antérieur dans le cas du non-verrouillage. FIG. 2 represents a schematic view of a device forming an automatic grip for tools of the prior art in the case of non-locking.

La figure 3 représente une vue schématique de dessus partielle du dispositif selon l'invention. FIG. 3 represents a partial schematic top view of the device according to the invention.

La figure 4 représente une vue schématique de côté dans le sens de la flèche IV de la figure 3, du dispositif selon 1 'invention.  Figure 4 shows a schematic side view in the direction of arrow IV of Figure 3, of the device 1 according to the invention.

La figure 5 représente une vue schématique du fonctionnement du dispositif selon l'invention. FIG. 5 represents a schematic view of the operation of the device according to the invention.

En référence à la figure 1, un ensemble 1 d'extrémité d'une machine de terrassement est muni d'un embout conique 2 et d'un orifice conique 3. With reference to FIG. 1, an end assembly 1 of an earthmoving machine is provided with a conical tip 2 and a conical orifice 3.

De préférence, conformément au brevet français 80 02095 dont le contenu est considéré comme incorporé dans la présente description, l'ensemble d'extrémité 1 comporte une paire d'embout coniques 2 solidaires d'une traverse et une paire d'orifices coniques 3 solidaires d'une autre traverse.  Preferably, in accordance with French patent 80 02095, the content of which is considered to be incorporated in the present description, the end assembly 1 comprises a pair of conical end pieces 2 secured to a cross member and a pair of conical orifices 3 secured to it from another cross.

Les embouts coniques 2 sont destinés à coopérer avec des portées correspondantes d'orifices coniques 4 solidaires de l'outil à prendre, tandis que les orifices coniques 3 coopèrent avec des embouts coniques 5 solidaires de l'outil à prendre. The conical tips 2 are intended to cooperate with corresponding bearing surfaces of conical orifices 4 secured to the tool to be taken, while the conical orifices 3 cooperate with conical tips 5 secured to the tool to be taken.

Après engagement respectif des portées coniques correspondantes, le verrouillage de l'outil est opéré par le blocage d'une béquille de retenue 6 solidaire de l'ensemble d'extrémité 1 contre un plot de verrouillage 7 solidaire de l'coutil à prendre. After respective engagement of the corresponding conical bearing surfaces, the tool is locked by blocking a retaining stand 6 secured to the end assembly 1 against a locking stud 7 secured to the tool to be taken.

La béquille de retenue 6 peut être tarée par un ressort 8 travaillant par compression ou actionnée par un système hydraulique 9 comportant par exemple un vérin. The retaining stand 6 can be calibrated by a spring 8 working by compression or actuated by a hydraulic system 9 comprising for example a jack.

L'essentiel est que le verrouillage soit assuré par blocage de l'extrémité de la béquille 6 contre la portée correspondante 10 du plot de verrouillage 7. The main thing is that the locking is ensured by blocking the end of the stand 6 against the corresponding bearing surface 10 of the locking stud 7.

Selon la figure 1, la béquille 6 est représentée en traits pointillés dans sa position de verrouillage. According to Figure 1, the stand 6 is shown in dotted lines in its locked position.

En référence à la figure 2, où les repères de chiffres identiques désignent des éléments identiques ou similaires à ceux de la figure 1, la béquille 6 est représentée en traits pointillés dans une position de nonverrouillage. With reference to FIG. 2, where the references of identical numbers designate elements identical or similar to those of FIG. 1, the stand 6 is shown in dotted lines in a non-locking position.

Cette position résulte par exemple de la présence d'objets solides ou d'obstacles 11 au voisinage de la portée 10 du plot de verrouillage 7. This position results for example from the presence of solid objects or obstacles 11 in the vicinity of the bearing surface 10 of the locking stud 7.

En référence aux figures 3 et 4, selon l'invention, le dispositif comporte un moyen de retenue 12, dont le bord 13 situé du côté de la portée 10 du plot 7 est en retrait d'une distance prédéterminée d. Referring to Figures 3 and 4, according to the invention, the device comprises a retaining means 12, the edge 13 located on the side of the surface 10 of the pad 7 is set back by a predetermined distance d.

La distance d entre le bord 13 et la portée 10 est de l'ordre de ou inférieure à la moitié de la longueur C d'engagement des portées coniques. The distance d between the edge 13 and the bearing surface 10 is of the order of or less than half the length C of engagement of the conical bearing surfaces.

De préférence, pour éviter tout encrassement supplémentaire sous le rebord du moyen de retenue 12, la largeur du moyen de retenue 12 est de l'ordre de ou inférieure à la largeur du plot de verrouillage 7. Preferably, to avoid any additional fouling under the rim of the retaining means 12, the width of the retaining means 12 is of the order of or less than the width of the locking stud 7.

Le moyen de retenue 12 présente une forme coopérant avec la forme de la béquille de verrouillage 6 : de préférence, on découpera cette forme par exemple rectangulaire dans une tôle ayant de préférence une épaisseur au moins égale à la moitié de celle du plot 7 et on la soudera directement sur le plot de verrouillage 7 en respectant la distance d prédéterminée. The retaining means 12 has a shape cooperating with the shape of the locking stand 6: preferably, this shape, for example rectangular, will be cut from a sheet preferably having a thickness at least equal to half that of the stud 7 and weld it directly to the locking pad 7, respecting the predetermined distance.

En référence à la figure 5, la béquille 6 de verrouillage est retenue par le bord 13 du moyen de retenue 12 lorsqu'elle n'est pas en position de blocage normal au contact de la portée 10. With reference to FIG. 5, the locking stand 6 is retained by the edge 13 of the retaining means 12 when it is not in the normal locking position in contact with the bearing 10.

La béquille 6 coopérant avec le bord 13 retient ainsi l'outil sur l'ensemble d'extrémité 1. Cependant, du fait du jeu correspondant à la distance prédéterminée d, l'outil a tendance à se déplacer lors du mouvement de la machine de terrassement. The stand 6 cooperating with the edge 13 thus retains the tool on the end assembly 1. However, due to the play corresponding to the predetermined distance d, the tool tends to move during the movement of the machine. earthworks.

Ce "flottement" de l'outil avertit ainsi le conducteur de l'engin de terrassement ; le conducteur intervient alors pour assurer le verrouillage correct de la béquille 6 sur la portée 10 et ainsi de l'coutil sur l'ensemble d'extrémité 1. Tout risque d'accident personnel ou de dommage grave pour le matériel est ainsi évité. This "floating" of the tool thus warns the operator of the earth-moving machine; the driver then intervenes to ensure the correct locking of the stand 6 on the seat 10 and thus of the tool on the end assembly 1. Any risk of personal accident or serious damage to the equipment is thus avoided.

L'invention n'est pas limitée au cas d'un ensemble de verrouillage 6, 7 constitué par une béquille 6 et un plot 7, mais englobe au contraire toute variante d'ensemble de verrouillage et de moyen de retenue 12 permettant de retenir l'outil avec un jeu d prédéterminé propre à avertir le conducteur d'engin.  The invention is not limited to the case of a locking assembly 6, 7 consisting of a crutch 6 and a stud 7, but on the contrary encompasses any variant of locking assembly and retaining means 12 making it possible to retain the 'tool with a predetermined clearance suitable for warning the machine operator.

Claims (6)

REVENDICATIONS 1. - Dispositif de sécurité pour prise automatique d'outil, comportant au moins un embout conique (5; 2) apte à coopérer avec un orifice conique (3 ; 4) et un ensemble de verrouillage (6, 7), caractérisé en ce que le dispositif comporte un moyen de retenue (12, 13) de forme correspondante et coopérant avec l'ensemble de verrouillage (6, 7) pour retenir l'outil avec un jeu (d) prédéterminé. 1. - Safety device for automatic tool hold, comprising at least one conical tip (5; 2) able to cooperate with a conical orifice (3; 4) and a locking assembly (6, 7), characterized in that that the device comprises a retaining means (12, 13) of corresponding shape and cooperating with the locking assembly (6, 7) for retaining the tool with a predetermined play (d). 2. - Dispositif selon la revendication 1, caractérisé en ce que l'ensemble de verrouillage comporte un plot (7) de verrouillage ou analogue, sur l'outil et une béquille de verrouillage (6) solidaire de la machine preneuse et en ce que le moyen de retenue (12) comporte un bord (13) situé en retrait du plot (7) de verrouillage, de manière à retenir l'outil par coopération de la béquille (6) et dudit bord (3). 2. - Device according to claim 1, characterized in that the locking assembly comprises a block (7) for locking or the like, on the tool and a locking stand (6) secured to the gripping machine and in that the retaining means (12) has an edge (13) set back from the locking stud (7), so as to retain the tool by cooperation of the stand (6) and said edge (3). 3. - Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que le jeu prédéterminé (d) est de l'ordre de ou inférieur à la moitié de la longueur (C) d'engagement de portées coniques (2, 4 ; 3, 5) d'un embout sur un orifice correspondant. 3. - Device according to one of claims 1 or 2, characterized in that the predetermined clearance (d) is of the order of or less than half the length (C) of engagement of conical bearings (2, 4; 3, 5) of a nozzle on a corresponding orifice. 4. - Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la largeur du moyen de retenue (12) est de l'ordre de ou inférieure à la largeur de la partie correspondante de l'ensemble de verrouillage (6, 7). 4. - Device according to any one of claims 1 to 3, characterized in that the width of the retaining means (12) is of the order of or less than the width of the corresponding part of the locking assembly ( 6, 7). 5. - Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que le moyen de retenue (12) présente une forme rectangulaire. 5. - Device according to one of claims 1 to 4, characterized in that the retaining means (12) has a rectangular shape. 6. - Dispositif selon la revendication 5, caractérisé en ce que la forme rectangulaire est découpée dans une tôle et soudée directement sur un plot de verrouillage (7) solidaire de l'outil à prendre.  6. - Device according to claim 5, characterized in that the rectangular shape is cut from a sheet and welded directly on a locking stud (7) secured to the tool to be taken.
FR9205442A 1992-05-04 1992-05-04 SAFETY DEVICE FOR AUTOMATIC TAKING OF TOOLS, PARTICULARLY FOR EARTHMOVING MACHINES OR THE LIKE. Expired - Lifetime FR2690718B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9205442A FR2690718B1 (en) 1992-05-04 1992-05-04 SAFETY DEVICE FOR AUTOMATIC TAKING OF TOOLS, PARTICULARLY FOR EARTHMOVING MACHINES OR THE LIKE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9205442A FR2690718B1 (en) 1992-05-04 1992-05-04 SAFETY DEVICE FOR AUTOMATIC TAKING OF TOOLS, PARTICULARLY FOR EARTHMOVING MACHINES OR THE LIKE.

Publications (2)

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FR2690718A1 true FR2690718A1 (en) 1993-11-05
FR2690718B1 FR2690718B1 (en) 1994-06-17

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FR9205442A Expired - Lifetime FR2690718B1 (en) 1992-05-04 1992-05-04 SAFETY DEVICE FOR AUTOMATIC TAKING OF TOOLS, PARTICULARLY FOR EARTHMOVING MACHINES OR THE LIKE.

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0637649A2 (en) * 1993-08-06 1995-02-08 Groupe Pel-Job Device for automatic coupling of tool for earth-moving machine or similar
EP0672796A1 (en) * 1994-03-16 1995-09-20 Groupe Pel-Job Quick coupling device for earthmoving machines or similar
WO1998040569A1 (en) * 1997-03-10 1998-09-17 Clark Equipment Company Frame for mounting on a boom mounted quick change bracket
US5974706A (en) * 1997-03-10 1999-11-02 Clark Equipment Company Attachment construction for earthworking implement
US5983535A (en) * 1997-03-10 1999-11-16 Clark Equipment Company Fastener secured frame for boom mounted quick change bracket
EP1167634A2 (en) 2000-06-16 2002-01-02 Deere & Company Attachment frame for the accessories of a working machine and corresponding receiving bolts
AU783880B2 (en) * 2001-06-21 2005-12-15 Deere & Company Support frame for front attached implements of an operating machine and associated locating pins

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475160A1 (en) * 1980-01-31 1981-08-07 Pingon Pierre De AUTOMATIC TOOL HOLDING DEVICE FOR EXCAVATOR, LOADER, EARTHMOVING MACHINE OR THE LIKE

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475160A1 (en) * 1980-01-31 1981-08-07 Pingon Pierre De AUTOMATIC TOOL HOLDING DEVICE FOR EXCAVATOR, LOADER, EARTHMOVING MACHINE OR THE LIKE

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0637649A2 (en) * 1993-08-06 1995-02-08 Groupe Pel-Job Device for automatic coupling of tool for earth-moving machine or similar
FR2708679A1 (en) * 1993-08-06 1995-02-10 Pel Job Groupe Device for automatic tool gripping for earth-moving machinery or the like.
EP0637649A3 (en) * 1993-08-06 1996-01-03 Groupe Pel Job Device for automatic coupling of tool for earth-moving machine or similar.
EP0672796A1 (en) * 1994-03-16 1995-09-20 Groupe Pel-Job Quick coupling device for earthmoving machines or similar
FR2717516A1 (en) * 1994-03-16 1995-09-22 Pel Job Groupe Device for automatically taking tools, particularly for earth-moving machines or the like.
US5974706A (en) * 1997-03-10 1999-11-02 Clark Equipment Company Attachment construction for earthworking implement
WO1998040569A1 (en) * 1997-03-10 1998-09-17 Clark Equipment Company Frame for mounting on a boom mounted quick change bracket
US5983535A (en) * 1997-03-10 1999-11-16 Clark Equipment Company Fastener secured frame for boom mounted quick change bracket
US6154989A (en) * 1997-03-10 2000-12-05 Clark Equipment Company Attachment construction for earthworking implement
US6163989A (en) * 1997-03-10 2000-12-26 Clark Equipment Company Frame for mounting on a boom mounted quick change bracket
EP1167634A2 (en) 2000-06-16 2002-01-02 Deere & Company Attachment frame for the accessories of a working machine and corresponding receiving bolts
EP1167634A3 (en) * 2000-06-16 2002-05-22 Deere & Company Attachment frame for the accessories of a working machine and corresponding receiving bolts
US6533528B2 (en) 2000-06-16 2003-03-18 Deere & Company Support frame for front attached implements of an operating machine and associated locating pins
AU783880B2 (en) * 2001-06-21 2005-12-15 Deere & Company Support frame for front attached implements of an operating machine and associated locating pins

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Publication number Publication date
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