WO1990014249A1 - Bras de halage a crochet de securite et vehicule equipe d'un appareil le comportant - Google Patents
Bras de halage a crochet de securite et vehicule equipe d'un appareil le comportant Download PDFInfo
- Publication number
- WO1990014249A1 WO1990014249A1 PCT/FR1990/000322 FR9000322W WO9014249A1 WO 1990014249 A1 WO1990014249 A1 WO 1990014249A1 FR 9000322 W FR9000322 W FR 9000322W WO 9014249 A1 WO9014249 A1 WO 9014249A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hook
- latch
- spout
- arm
- pin
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/64—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable
- B60P1/6418—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable the load-transporting element being a container or similar
- B60P1/6463—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable the load-transporting element being a container or similar fitted with articulated beams for longitudinal displacement of the container
Definitions
- a loading / unloading jib is a particular type of arm hauling, intended to be mounted on the chassis of a vehicle for loading or unloading loads such as containers, boxes, skips, platforms and the like. Examples of such gallows are given in documents FR-2.109.109 and FR-2.185.520, in particular.
- brackets comprise a bent arm arranged in a longitudinal vertical plane of the vehicle and formed of a beam articulated on a transverse axis linked directly or indirectly to the chassis of this vehicle and of a column connected at right angles to this beam and provided at a free end of a gripping hook.
- the subject of the invention is a hook for a hauling device which allows easy entry of a bar, especially in an unfavorable environment, without risking inadvertent escape from this bar.
- a hauling apparatus with arms comprising, on a free end of a terminal section of this arm, a gripping hook comprising a beak and a claw jointly delimiting a loop with a penetration slot intended to be crossed by a gripping bar secured to a load to be hauled, characterized in that this spout and this claw have a variable relative gap, being mounted movable relative to each other within this hook in being connected to moving control means.
- the terminal part of the arm and of the hook is arranged so as to make it very easy to pilot blindly, quickly and with reduced energy consumption, a maneuver for hooking a load to haul, even in the event of notable uncertainties as to the relative position of the arm and of the ring / bar for gripping the load (in the case for example of loading on a vehicle a load of imprecise or located format on uneven ground, that is to say on a slope, below ).
- the terminal section comprises, in the immediate vicinity of the hook, a docking ramp inclined with respect to the terminal section and oriented towards the penetration slot.
- the claw is part of a hook body integral with the end section and the spout is part of a latch pivoting about a hinge pin located in the immediate vicinity of this hook body, and movable between a position obturation in which this spout is directed towards the free end of the claw, and a retracted position in which this spout is folded back towards the hook body, this pivoting latch being controlled in movement by said operating member which is advantageously a jack single effect and elastic return;
- This latch extends opposite the spout by a lever on which acts said actuator otherwise linked to the terminal section;
- lever is in line with the spout;
- This lever comprises a stop adapted to come into abutment against the terminal section in the configuration of obtura ⁇ tion of the spout;
- the docking ramp is a pivoting shield articulated with respect to the terminal section around the same articulation axis as the latch;
- - Said operating member is a pneumatic cylinder
- the hook is formed on the one hand by a hook body fixed to the end section and comprising the beak as well as, forming part of the claw, two parallel lateral cheeks connected by a curved core towards the beak and jointly determining a groove open opposite the spout, and, on the other hand, a latch engaged in this groove, movable in pivoting, and having a free end projecting from one end of the groove approximately in the direction of the spout;
- the latch is mounted mobile and pivoting in the groove of the hook body between a maximum closing configuration in which the latch runs along the curved core while its free end is near the hooking beak and a configuration of maximum opening in which the latch is spread with respect to this core;
- the free end of the latch of greater thickness than the rest of the latch, has suitable shoulders, in said configuration of maximum opening, to come into abutment against abutment zones formed on the edges of the lateral cheeks;
- This actuator is a jack; - A transverse pin integral with the latch is engaged in longitudinal slots made in the side cheeks;
- transverse pin secured to the side cheeks of the hook body and engaged in an oblong opening formed in the pawl beyond the transverse pin secured to the pawl relative to the hook fixing zone at said end of said arm , this light being generally directed towards the hooking spout and, when the latch is in abutment against said core, the pin fixed relative to the latch being near the ends of the longitudinal slots closest to said fixing zone and the pin fixed relative to the side cheeks passing through said oblong lumen near its end furthest from the hooking beak;
- the lateral cheeks extend, lengthwise opposite to the claw by fixing ears at the end of the arm and are crossed by coaxial bores adapted to receive a fixing pin, the hook having on either side other of these ears, support zones intended to bear against corresponding support zones formed on said end of the arm;
- the docking ramp is constituted by a hinged shield in the immediate vicinity of the hook, and subjected to an operating member with a pivoting clearance between an erased configuration in which this shield runs along the terminal section of the arm and an ac configuration ⁇ costage in which this shield is inclined relative to this terminal section;
- the operating member is an inflatable bladder disposed between the end section and the shield and connected to a source of fluid.
- the invention also provides a vehicle equipped with such an arm hauling device, which is advantageously of the type arm with bent arm possibly articulated and mounted pivoting about an axis transverse to the chassis of the vehicle.
- FIG. 1 is a side elevation view of a towing arm in accordance with one embodiment of the invention, with articulated docking ramp, in deployed configuration;
- FIG. 2 is a detail view, also in elevation, in a configuration where the hook is in the maximum opening configuration and lets pass a bar / gripping ring;
- FIG. 3 is another view, also in elevation, in which the docking ramp is retracted
- FIGS. 4 and 5 are elevational views tion, respectively side and front, of the hook body of Figures 1 to 3;
- FIG. 6 and 7 are elevational views, respectively from the side and from the front, of the latch of this hook;
- FIGS. 8 and 9 are elevational views, from the side, of this hook in respectively minimum and maximum opening configuration
- FIGS. 10 and 11 are elevation views similar to Figures 2 and 3, of a towing arm according to another embodiment of the invention, also with articulated docking ramp, in configurations respectively deployed and retracted;
- FIGS. 12 and 13 are elevational views, from the side and from the front respectively, of the hook body of Figures 10 and 11;
- - Figures 14 and 15 are views, respectively from the side and from above, of the movable part of this hook;
- - Figures 16 and 17 are side elevational views of this hook in respectively minimum and maximum opening configurations;
- FIGS 18 and 19 are side elevation views of the towing arm according to two other embodiments of the invention, similar to the arms of Figures 1 to 9, and of Figures 10 to 17, but with a fixed docking ramp ;
- FIGS. 22 to 24 are side elevational views of a vehicle comprising a towing arm according to Figures 1 to 9, corresponding to successive phases from a configuration of empty transport to a configuration of vehicle loaded with a platform, FIGS. 22 to 24 corresponding to three possible positions of the platform to be loaded;
- - Figure 29 is a side elevational view of an alternative embodiment of the hook of the Figures 1 to 9;
- FIG. 30 is an elevational view along arrow XXIX of Figure 29.
- FIGS. 1 to 9 represent a hauling arm 1 forming part of a hauling apparatus with arms which will be described in FIGS. 20 to 28.
- the hauling arm 1 comprises a terminal section 2, the end of which serves by its support edge to a gripping hook 3 intended to grip the gripping ring or bar 4 which is provided with a hauling load 5 (see FIGS. 20 to 28).
- This bar 4 is shown in FIGS. 1 to 3 by a circle in dotted lines in various relative positions with respect to the arm 1.
- the gripping hook 3 comprises a spout 6 and a claw 7 whose opposite ends 6A and 7A jointly delimit an open loop with a slot 8 for penetration of a bar into the opening 3A of the hook.
- This spout and this claw are carried by moving parts relative to each other, whereby the relative spacing e_ between the free ends 6A and 7A, therefore the width of the penetration slot 8 can vary between a maximum opening value (see Figure 2) in which the bar 4 can enter (or exit) the hook and a minimum opening value (see Figures 1 and 3), less than the thickness of the grasping bar ( here its diameter) thanks to which the bar can no longer come out of the hook (see Figure 3).
- this jack is hydraulic.
- a docking ramp 11 inclined relative to this section 2, and in the extension of which is the penetration slot 8 when the hook is in the maximum opening configuration.
- This angle of inclination between ramp and arm is for example between 15 ° and 40 ° thanks to which the ramp is here approximately vertical.
- the docking ramp 11 is here constituted by a shield 12 articulated around an axis 13 located in the immediate vicinity of the beak of the hook 3; this shield is subjected to an operating member 14, here an inflatable bladder, connected to an inflation / deflation unit of any known type not shown.
- This shield 12 thus admits a deployed service position ( Figures 1 and 2) and a retracted position ( Figure 3).
- the hook 3 comprises a hook body 15 secured to the end section 2 of the arm 1.
- This hook body comprises a base 16 which is extended by the claw 7.
- This base comprises, opposite the free end 7A of the claw, a protuberance 17 forming a step for the spout 6 and formed of two parallel cheeks 17A and 17B in which is disposed an articulation axis intended to receive for pivoting a latch 18; this axis is here merged with the axis 13 of the shield 12.
- the latch 18 is formed in part of the spout 6, which is crossed by the axis 13 and is located between the cheeks of the step of the spout 17.
- This latch further comprises, opposite the free end 6A of the spout, two parallel webs 19A and 19B jointly forming a lever 19 connected at a distance from the axis 13 by a transverse finger 20 fixed to the end of the piston of the jack 10 constituting the hook operating member, which is also articulated, by its cylinder part, to a transverse axis 21 of the arm 2 by which, in addition, here, the hook body 15 is secured to the arm.
- this cylinder 10 is housed in the volume of the terminal section of the arm and the latch is housed under the shield.
- the lever 19 is advantageously provided, at its free end, with a stop 22 adapted to come into abutment against a support core 23 secured to the arm, adapted to prevent, like the jack, that the spout can pivot towards the outside the hook, beyond the configuration of FIG. 8.
- a support core 23 secured to the arm, adapted to prevent, like the jack, that the spout can pivot towards the outside the hook, beyond the configuration of FIG. 8.
- This support core can simply be a part of the wall of the constituent casing of the arm.
- FIG. 1 where the bar 4 is represented in several configurations a, b and c along the docking ramp, the bar 4 can possibly force the pivoting of the spout 6 by itself. (and therefore the latch 18) to enter the hook.
- This penetration is clearly shown in Figure 2; it is possible as soon as the jack is connected to its supply unit (not shown) so as to be made free to move.
- the elastic return of the jack 10 closes the inlet of the hook. Therefore the bar can no longer force its passage outward.
- Figures 29 and 30 show an alternative embodiment of the hook 3 of Figures 1 to 9. Elements similar to those of this hook 3 are identified by reference numbers which are deduced from those of Figures 1 to 9 by adding the 'hint "second". This 3 "hook can, like hook 3, be implemented without a docking ramp.
- a base 16 "intended to be made integral with the end section of the arm 1.
- Two parallel lateral cheeks 17" A and 17 “B are integral with this base. Between these cheeks is fixed a hook body 15" terminated by a claw 7 ".
- This hook body is offset relative to the base 16 "whereby a recess is formed between the cheeks on the one hand, and between this body and this base on the other hand.
- the side cheeks have front portions 61 and 62 which extend towards the free end
- a hinge pin intended to receive for pivoting a latch 18 "whose upper free end forms the beak 6" of the hook.
- this latch is linked to an operating member 10", housed in the aforementioned recess, which is advantageously associated with an elastic return member, not shown, internal or not to this organ.
- This member is here a pneumatic or hydraulic cylinder whose cylinder is fixed to the lower part of the body 15 "(here by means of a stirrup) and whose piston rod is articulated at the lower free end of the latch.
- this member may in particular be of the electrical type.
- the latch In its closed position, the latch reduces the penetration slot to an insufficient value for the diameter of the grip bar 4. In the open position, on the other hand, the penetration slot is greater than this diameter allowing free passage of the bar.
- the portions 61 and 62 extend towards the inside of the opening over a sufficient distance so that, in the open position, the spout retracts completely between these portions thus avoiding that the latch can be damaged by impacts of the hook with the bar or due to an inclination of the bar relative to an optimal transverse direction of penetration in this hook. It is observed here that the sides 63, which guide the bar towards the interior of the hook, terminate inside the hook by projections 65 which reinforce the locking of the bar once the latter has entered the hook. The bar can then move freely without hindering the retraction of the latch.
- the opening of the latch can be controlled either by the penetration thrust of the bar (the operating member being "disengaged") or by controlling this operating member.
- Figures 10 to 17 show an alternative embodiment in which it is a part of the claw which is movable relative to the spout, all other things being similar. Elements similar to those of FIGS. 1 to 9 are assigned the same reference sign, provided with a "prime" index.
- the hook 3 ' has a hook body 15' fixed to the end of the end section of the arm 2 ', the spout 6' of which is integral and which further comprises two side cheeks 30 and 31 connected by a curved core 32 (continuous or discontinuous) bordering the opening 3A 'of the hook jointly determining in the claw a groove 33 open opposite the spout.
- a latch 34 having an end 7A 'projecting from the cheeks 30 and 31 approximately opposite the spout 6'.
- the latch 34 is pivotable between a configuration with a minimum opening (FIGS. 11 and 16) in which the latch runs along the core 32 while its free end (7A ′) is near the hooking spout and a configura ⁇ tion of maximum opening ( Figures 10 and 17) in which the latch is inclined and separated from this core.
- the free end 7A of the latch has adapted shoulders 36 and 37, in said opening configuration maximum, coming to bear against abutment zones 38 and 39 formed on the edges of the side cheeks.
- An actuator here a jack disposed in said groove 33 is interposed between the latch 34 and a support area 40 fixed relative to the hook body.
- a transverse pin 41 secured to the latch 34 is engaged in longitudinal slots 42 formed in the side cheeks 30 and 31.
- transverse pin 44 secured to the lateral cheeks of the hook body and engaged in an oblong opening 45 formed in the pawl beyond the transverse pin 41 secured to the pawl relative to the zone 40 for fixing the hook to said end of said arm, this light 45 being generally directed towards the hooking spout and, when the pawl is in abutment against said core, the pin 41 fixed relative to the pawl being near the ends of the longitudinal slots closest to said zone fixing 40 and the pin 44 fixed relative to the lateral days passing through said oblong opening 45 near its end furthest from the hooking spout.
- a fixed pin 50 passes through the lateral cheeks in the fixing zone, and the jack 10 'is disposed between this fixed pin 50 and the pin 41 fixed relative to the latch.
- the lateral cheeks are extended, opposite the longitudinal claw of the claw 7 'by lugs 51 for fixing to the end of the arm and are crossed by coaxial bores adapted to receive the fixing pin 50; the hook has on either side of these ears, support zones 52 and 53 intended to come to bear against corresponding support zones formed on said end of the arm.
- FIGS. 20 to 28 describe several stages of the loading of a platform 5 onto a vehicle 200 equipped with a towing device with arms conforming to that of FIGS. 1 to 9.
- a loading / unloading bracket comprising a bent arm 1 disposed in a longitudinal vertical plane of the vehicle 200 and formed of a beam 201 articulated on a transverse axis 202 linked directly or indirectly to the chassis 203 of this vehicle and of a column 204 connected at right angles to this beam 201 intended to come just behind the cabin 205 of the vehicle.
- the column is articulated with a small clearance on the end of the beam.
- the terminal section 2 of the arm is therefore an upper part of this column 204.
- equipment 206 such as a spare wheel is provided between the cabin 205 and the column 204 and it is to avoid any contact between the docking ramp 11 and these equipment that it is chosen. advantageously to have this ramp on an articulated shield.
- the vehicle 200 outside of the column 204, is conventional, and will not be described further.
- the vehicle After rear tilting to a loading configuration defined in advance, the vehicle is made to reverse until the docking ramp 11, which is then substantially vertical (roughly perpen ⁇ dicular to the instantaneous radius tilting) comes into contact with the ring 4 of the platform 5.
- this ramp 11 When, as is the case here, this ramp 11 is retractable, the inflatable bladder '(or a jack or pneumatic or hydraulic cushion which can be substituted for it ) reduces the shock due to this contact.
- FIGS. 22, 23 and 24 describe by way of example three example cases of relative positioning of the load (platform) with respect to the vehicle.
- the load rests on a ground which is at the same level as that on which the vehicle rests; in FIG. 23 the platform 5 is below and in FIG. 24 the platform is on an inclined ground, descending towards the vehicle.
- the arm comes into contact with the bar 4 by means of the costing ramp.
- the search for the bar by the hook is carried out by the "lifting" of the arm (tilting forward).
- the shape and position of the docking ramp make it possible to obtain a substantially vertical trajectory of the end of the bracket during this operation.
- the gripping of the bar is thus carried out without displacement of the vehicle after the abovementioned reversal.
- Locking is ensured here by irreversible automatic locking.
- unlocking reverse operations are carried out to those for locking, except that unlocking is only authorized if the shield is deployed; it occurs by deployment of the actuator 10, which is only permitted by the sustained support of an operator during the entire unlocking operation.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Air Bags (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8906949A FR2647395B1 (fr) | 1989-05-26 | 1989-05-26 | Bras de halage a rampe d'accostage et vehicule equipe d'un appareil le comportant |
FR89/06949 | 1989-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1990014249A1 true WO1990014249A1 (fr) | 1990-11-29 |
Family
ID=9382062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1990/000322 WO1990014249A1 (fr) | 1989-05-26 | 1990-05-04 | Bras de halage a crochet de securite et vehicule equipe d'un appareil le comportant |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0477191A1 (fr) |
CA (1) | CA2056377A1 (fr) |
FR (1) | FR2647395B1 (fr) |
WO (1) | WO1990014249A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008247304A (ja) * | 2007-03-30 | 2008-10-16 | Kyokuto Kaihatsu Kogyo Co Ltd | コンテナ荷役車両 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5688685A (en) * | 1994-12-16 | 1997-11-18 | Cytec Technology Corporation | System and methods for biodegradation of compounds |
JP4723971B2 (ja) * | 2005-10-07 | 2011-07-13 | 極東開発工業株式会社 | 荷役車両 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2109109A5 (fr) * | 1970-10-01 | 1972-05-26 | Saphem | |
FR2294877A1 (fr) * | 1974-12-16 | 1976-07-16 | Bennes Marrel | Dispositif sur camion pour manutention de conteneurs au-dessous du niveau du sol |
FR2393697A1 (fr) * | 1977-06-10 | 1979-01-05 | Gergen Engelbert | Dispositif de basculement pour benne |
DE2903462A1 (de) * | 1979-01-30 | 1980-08-07 | Meiller Fahrzeuge | Abrollkipper |
-
1989
- 1989-05-26 FR FR8906949A patent/FR2647395B1/fr not_active Expired - Fee Related
-
1990
- 1990-05-04 WO PCT/FR1990/000322 patent/WO1990014249A1/fr not_active Application Discontinuation
- 1990-05-04 EP EP19900907146 patent/EP0477191A1/fr not_active Withdrawn
- 1990-05-04 CA CA 2056377 patent/CA2056377A1/fr not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2109109A5 (fr) * | 1970-10-01 | 1972-05-26 | Saphem | |
FR2294877A1 (fr) * | 1974-12-16 | 1976-07-16 | Bennes Marrel | Dispositif sur camion pour manutention de conteneurs au-dessous du niveau du sol |
FR2393697A1 (fr) * | 1977-06-10 | 1979-01-05 | Gergen Engelbert | Dispositif de basculement pour benne |
DE2903462A1 (de) * | 1979-01-30 | 1980-08-07 | Meiller Fahrzeuge | Abrollkipper |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008247304A (ja) * | 2007-03-30 | 2008-10-16 | Kyokuto Kaihatsu Kogyo Co Ltd | コンテナ荷役車両 |
Also Published As
Publication number | Publication date |
---|---|
FR2647395A1 (fr) | 1990-11-30 |
CA2056377A1 (fr) | 1990-11-27 |
EP0477191A1 (fr) | 1992-04-01 |
FR2647395B1 (fr) | 1991-09-13 |
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