FR2883242A1 - Cargo carrying dolly type truck for e.g. household garbage container, has cargo-carrying structure moving between loading/unloading position to transport position, drawbar at hitch point, and additional drawbar to constitute cart train - Google Patents

Abstract

The truck (1) has a cargo-carrying structure taking support on a container. The structure moves the container between a ground support position for loading/unloading the container and a position remote from the ground for transporting the container. The truck has a drawbar (6) at hitch point of a truck tractor and an additional drawbar (7) above the drawbar (6) to constitute a cart train. The drawbars are coupled in an articulated manner to fold the arms against the structure in folded position.

Description

Trolley, in particular for the transport of container (s)

  The present invention relates to a trolley, in particular for the transport of a container, in particular a garbage container, of the type in the form of a load carrying chassis, at least a part of the load-bearing structure of said chassis , intended to be supported on said container, being movable between two positions for the drive movement of the container between a ground support position, said loading / unloading of the container, and a position away from the ground, called transport of the container.

  Many trucks of the type mentioned above exist, as illustrated in particular patents FR-A-2,472,498 and EP-A-0. 209,455. These trolleys allow manual transport of containers unsuitable for a journey over relatively long distances. However, in the structures, such as factory, camping, leisure park, the distances to be covered can be relatively large and the relief of the ground not plan. This increases the difficulty of manual movement.

  To solve this problem, some entities have trailers in which the containers are loaded. Such a trailer can contain only a few containers, which requires many trips to collect all the containers distributed on a site. In addition, the handling of the containers is tedious during the loading and unloading operations of the trailer.

  Solutions are also known in which vehicles have been adapted to allow the loading of containers at the rear of these vehicles. The same disadvantages as those mentioned for trailers can be noted.

  An object of the present invention is therefore to provide a carriage whose design, although simple, robust and low cost, allows easy movement of the truck, including on terrain difficult terrain.

  Another object of the present invention is to provide a carriage whose design makes it easy to couple with other trolleys to allow the simultaneous movement of a large number of trolleys with the same tractor vehicle.

  Another object of the present invention is to provide a carriage of the aforementioned type whose design does not require heavy and bulky equipment, such as trailer or other, or adapted vehicle, a simple electric vehicle for the displacement of a such cart.

  For this purpose, the subject of the invention is a trolley, in particular for the transport of a container, in particular a garbage container, of the type in the form of a load-carrying chassis, at least a part of the trolley. load bearing structure of said frame, intended to bear on said container, being movable between two positions, for the purpose of driving the container in displacement between a ground support position, said loading / unloading of the container, and a position remote from the ground, said transport, the container, characterized in that the load carrier chassis is equipped with at least one carriage hitch arm at the coupling point of a towing vehicle.

  The presence of a coupling arm makes it possible to hitch the truck particularly to a light vehicle, such as an electric car, which facilitates its movement.

  According to a preferred embodiment of the invention, the rolling frame is equipped in addition to a first coupling arm, an additional linkage arm to be able to form a train of carriages. i0

  With this arrangement, it is possible to simultaneously move by a single vehicle a large number of containers.

  According to another preferred embodiment of the invention, the rolling chassis comprises, in addition to the load, a wheel axle disposed at the base of the load-bearing structure, said load-bearing structure forming with the coupling arm. , an angle different from 90, this hitch arm thus constituting a lever arm for pivoting, in the manner of a devil, the load-bearing structure and its load around the wheel axle during the coupling said carriage to the coupling point of a transport vehicle and thus allow it to move.

  This results in a simplification of the design of the load-bearing structure of the chassis.

  The invention will be better understood on reading the following description of exemplary embodiments, with reference to the accompanying drawings, in which: FIG. 1 shows a perspective view of a single carriage; Figure 2 shows a perspective view of a carriage carrying a container in the transport position of said carriage; 3 shows a side view of a carriage according to the invention in the loading / unloading position of a container; Figure 4 shows a side view of a carriage according to the invention in the transport position of said container; Figure 5 shows a side view of a single carriage; Figure 6 shows a side view of a carriage in the storage position or storage of the latter; FIG. 7 represents a side view of a train of trolleys each carrying a container, and FIG. 8 represents a side view of another embodiment of a trolley according to the invention.

  As mentioned above, the carriage 1, object of the invention, is more particularly intended for the transport of container 2, in particular garbage container. The objective is to develop a carriage whose design allows its movement including using a light vehicle, such as an electric car which are usually equipped campsites, factories and amusement parks. This carriage is in the form of a chassis 3 rolling load carrier. This chassis 3 rolling, in the examples shown, comprises, in addition to a structure 4 load carrier, a wheel axle 5 disposed at the base of the load-bearing structure. At least part of the structure 4 load carrier of the frame 3 is intended to bear on at least one container 2. The structure 4 load carrier is, depending on its dimensions, designed to receive one or more containers. Generally, these containers 2 are standard containers made in the form of a parallelepiped body equipped at its top with a lid connected by an articulated connection to said body. In the connection zone of the hinge of the lid to the body at the top of said body, there is provided a flange whose opening is oriented towards the ground. This rim is used in particular for gripping the containers during the emptying of the latter. This same rim may be used by the structure 4 load carrier of said frame which is supported on the container 2 preferably at its rim. Of course, other surfaces of the container, in particular the side walls of the container can be used to serve as a bearing surface of the load-bearing structure. It is the same for the bottom of said container. However, for reasons of simplicity of construction of the structure 4 load carrier, this flange portion of said container is preferred.

  In bearing position on said container, this structure 4 load carrier is movable between two positions for the drive movement of the container between a ground support position, said loading / unloading the container of the type of represented in FIG. 3, and a position remote from the ground, said transporting the container 2, such as that represented in FIG. 4.

  Characteristically to the invention, the chassis 3 rolling load carrier is equipped with at least one linkage arm 6 of the carriage 1 at the coupling point of a towing vehicle.

  In the examples shown, the rolling chassis 3 is equipped in addition to a first coupling arm 6, an additional linkage arm 7 in order to constitute a train of carriages 1 as illustrated in FIG. it is thus possible, by means of the same vehicle, to drive a large number of containers on the move each carried by carriages arranged one behind the other forming a line of carriages. In this case, the arms 6, 7 hitch equipping the same carriage 1 are equipped with additional coupling members 8, 9. Thus, in the examples shown, the first coupling arm 6 which allows the coupling of the carriage, said led, to a vehicle or to a driving carriage, is preferably equipped with a female coupling member 8, such as a ball-and-socket box, while the second linkage arm 7 which allows coupling of the carriage 1, said to lead, to a driven carriage is preferably equipped with a male coupling member 9, such as a ball joint . Thus, the first link arm 6 is at the front of said carriage while the second link arm 7 is at the rear of said carriage. In the support position of the structure 4 load carrier on the container, the hitching arm 7 authorizing the hitch of the carriage said leading to a driven carriage is positioned under the bottom of the container and protrudes from the latter to the rear of said carriage leading while the first link arm 6 is positioned on the carriage in front of the bearing zone of the container on the load-bearing structure.

  In a preferred embodiment of the invention, the load bearing structure 4 forms with the coupling arm 6 an angle α different from 90 and for example close to 55. This coupling arm 6 thus constitutes a lever arm for pivoting in the manner of a devil the structure 4 load carrier and its load around the wheel axle 5 when coupling said carriage to the point d hitching a transport vehicle and thus allow its movement.

  In the transport position of the container, the center of gravity of the container is substantially perpendicular to the axle axle 5 wheel holder as shown in s figure 4. Through the use of the arm 6 of hitch as lever arm, the displacement of the structure 4 load carrier to allow the passage of the carriage from the loading / unloading position of the container to the transport position is facilitated and requires reduced muscular effort on the part of the operator . Conversely, as soon as the carriage 1 is unhitched, it automatically resumes, by rotation about the axle axis, a position corresponding to the loading / unloading position of the container.

  In this particular case, the structure 4 load carrier affects the shape of a frame. This frame consists of two uprights or arms whose one end is coupled to the axle axis constituting one of the cross members of the frame while the other ends of the arms are interconnected by a cross member shown at 10 to FIGS, this crosspiece being supported on one of the edges of said container 2. This cross member 10 which bears on the edge of the container 2 is provided with notches 11. An additional cross member may be provided to strengthen the strength of the frame. Furthermore, these amounts of the frame are made in the form of telescopic arms to allow to vary at will the position of the crossbar 10 and thus allow the adaptation of such a truck to containers of different dimensions.

  The positioning of such a carriage in support position on said container is extremely easy. It is sufficient to bring the carriage near the container, to introduce the cross member 10 under the rim of the container by rolling on the ground of said carriage, while the additional linkage arm 7 moves under the bottom of said container to do protrusion of the so-called rear face of said container.

  Once the frame of the support structure positioned substantially parallel to the front face of said container and in the support position of the cross member inside the rim of said container, it is then sufficient to act on the first link arm 6 for pivoting the load carrying structure 4 and its load around the wheel axle 5 and bringing the linkage arm 6 into a position allowing it to be coupled to a coupling point of a transport vehicle or to a carriage says leading.

  When the carriage is unused, to facilitate its storage and storage, each linkage arm 6, 7 is hingedly coupled to said structure 4 load carrier. It is thus possible, as shown in Figure 6, to fold the arms 6, 7 coupling against the structure 4 load carrier and limit congestion lo of the assembly. Each coupling arm is thus coupled to the structure 4 load carrier via a pivot connection. In the use position of the carriage, this pivot connection is locked in a predetermined position of the coupling arm 6 and the linkage arm 7 with respect to the load bearing structure 4.

  In another more complex embodiment, the load bearing structure 4 may be formed of two parts, shown at 4A, 4B in the figures. The structure 4 load carrier in this case in the form of a bracket whose horizontal leg is intended to be positioned under the bottom of the container while the vertical leg is positioned against the front of the container to the right of the rim of said container similarly to what has been described above for the structure 4 load carrier. An operating lever 12 is coupled to the stationary portion 4A and is equipped with a pinion engaging with a rack formed on the part 4B of the structure bearing on said container. During the pivoting drive of the lever 12, this results in an elevation of the portion 4B of the structure 4 load carrier. Indeed, these two parts 4A, 4B of the structure 4 load carriers are able to be moved relative to each other by a relative movement through this rack. To allow the floor support of the container, the lever 12 is driven in displacement in a reverse direction.

  In a similar manner to that described for the chassis 3 rolling load carrier of the carriage shown in Figures 1 to 7, the carriage 1 is here again equipped at its base with a wheel axle 5.

  It should be noted that to facilitate the coupling, in particular of a carriage led to the additional linkage arm 7 of said carriage, the ball 9 equipping such a linkage arm 7 can, at its support axis, form a angle different from 90 with the axis of said arm. Thus, in the transport position of said carriage, the ball support axis 9 of the linkage arm 7 is positioned substantially vertical.

Claims (8)

  1. Trolley (1), especially for the transport of containers (2), in particular garbage containers, of the type in the form of a chassis (3) rolling load carrier, at least a portion of the structure (4) load carrier of said frame (3), intended to bear on said container (2), being movable between two positions, for the purpose of driving the container (2) in displacement between a bearing position on the ground, said loading / unloading of the container, and a position remote from the ground, said io transport container (2), characterized in that the chassis (3) rolling load carrier is equipped with at least one arm (6) hitching the carriage (1) to the coupling point of a towing vehicle.   2. Trolley (1) according to claim 1, characterized in that the chassis (3) is additionally equipped with a first linkage arm (6), an additional linkage arm (7) to be able to constitute a train of carriages (1).   3. Trolley (1) according to claim 2, characterized in that the hitching arms (6, 7) are equipped with complementary coupling members (8, 9), the first linkage arm (6), which authorizes the coupling of the carriage, said led, to a vehicle or driving carriage, being preferably equipped with a female coupling member (8), such as a spherical box, while the second arm ( 7), which allows the coupling of the carriage (1), said leading, to a driven carriage is preferably equipped with a male coupling member (9), such as a ball joint.   4. Trolley (1) according to claim 1, characterized in that the chassis (3) comprises, in addition to the structure (4) load carrier, a wheel axle (5) disposed at the base of the structure (4). ) load carrier, said load carrying structure (4) forming an angle (a) different from 90 with the hitch arm (6), this hitch arm (6) thus constituting a lever arm enabling pivoting, in the manner of a devil, the load carrier structure (4) and its load around the wheel axle (5) when hitching said carriage to the coupling point of a vehicle of transport and thus allow its movement.   5. Trolley (1) according to claim 4, characterized in that the structure (4) load carrier has the shape of a frame, the axle (5) wheel carrier constituting one of the cross members of said frame, a another crossbar (10) bearing under one of the flanges of said container (2).   6. Trolley (1) according to claim 5, characterized in that the crossbar (10) bearing under the rim of said container (2) is provided with notches (11).   7. Trolley (1) according to one of claims 1 to 6, characterized in that each arm (6, 7) hitch is hingedly coupled to said structure (4) load carrier to allow, during storage said carriage (1), to fold said arms (6, 7) coupling against the structure (4) load carrier and limit the overall size of the assembly.   8. Trolley (1) according to claim 1, characterized in that the structure (4) load carrier is formed of two parts (4A, 4B) adapted to be driven relative to each other a displacement relative via a rack, the assembly being equipped at the base of a wheel axle (5).