FR3121917A1 - SKIPPER PERFECTED FOR THE EXIT OF THE MATERIAL IT CONTAINS IN SAFE CONDITIONS - Google Patents

Abstract

TIPPER IMPROVED FOR THE EXIT OF THE MATERIAL IT CONTAINS UNDER SAFE CONDITIONS The present invention relates to a tilting mounted skip so that the material it contains can be evacuated by gravity when its front part is raised, said skip (1) comprising a skip body (2) closed at the rear by a shell part (3) which delimits a rear space for receiving the material before it leaves and which comprises, in its bottom, at least one opening normally closed by a hatch, which is mounted so as to disengage at least a part of the associated opening to allow material to exit, characterized in that the plane of the opening or openings in the bottom of the shell part (3) is inclined or tiltable with respect to the bottom of the bucket (2) at an angle such that, when the bucket is tilted rearward for the material to exit, the opening or openings come to be located in a position in which the material arriving in the space this receiving rear falls, through the open opening or openings, vertically or at +20° relative to the vertical. Figure to be published with abstract: Figure 2

Description

SKIPPER PERFECTED FOR THE EXIT OF THE MATERIAL IT CONTAINS IN SAFE CONDITIONS

The present invention relates to skips for the transport of materials and, in particular, tipper skips with rear unloading.

As examples of materials that can be transported, we can mention asphalt, which is transported hot in the dumpster for their hot application on the road to be covered.

Today, safety requirements are high so that operators can on the one hand carry out the unloading and on the other hand work near the unloading skip without risking being hit by projections of materials or dust. released during the dumping, or even being buried by these materials when they come out. These risks are all the more crucial when the material is aggressive and hot, as is the case for asphalt mixes.

From the Japanese utility model JP 3176342 U, a tipper is known which has, in its rear part, a closing block comprising a dumping means formed by a hatch which is opened for the exit of the material.

However, such a dumping takes place in the case of this tipper in the direction towards the rear, in no way protecting the operators vis-à-vis the projections of materials and the flying of dust.

In addition, it would be advantageous if the dumping could be carried out in a simple manner, without using a device, such as an endless screw, requiring regular and costly maintenance requiring dismantling of the equipment.

The present applicant has therefore sought a solution to this problem in order to be able to unload the material in complete safety.

The present invention therefore firstly relates to a tilting mounted skip so that the material it contains can be evacuated by gravity when its front part is raised, said skip comprising a skip body closed at the rear by a shell part which delimits a rear space for receiving the material before its exit and which comprises, in its bottom, at least one opening normally closed by a hatch, which is mounted so as to displace at least a part of the associated opening to allow the exit of the material,

characterized by the fact that

the plane of the opening(s) in the bottom of the shell part is inclined or tiltable with respect to the bottom of the bucket by an angle such that, when the bucket is tipped rearward in view of the exit of the material, the the openings come to be located in a position in which the material arriving in the rear receiving space falls, through the cleared opening or openings, vertically or at + 20° relative to the vertical.

In particular, the plane of the opening(s) in the bottom of the hull part is inclined or tiltable by an angle of 10° to 50° relative to the bottom of the skip, this angle being seen from the rear part of the skip.

The hatch(es) can be mounted to be moved by sliding.

The displacement of the flap(s) by sliding can be manually, pneumatically, hydraulically or electrically controlled.

According to a particular embodiment, the hull has a set with hatch(es) mounted at its lower part, said set with hatch(es) having two opposite fixed rails for sliding the hatch(es), the opening(s) of the bottom of the hull being releasable for the exit of the material.

In the case where the sliding of the hatch(es) is controlled by actuator(s), the hatch assembly(s) may comprise at least one actuator whose body is fixed on yokes mounted in connection with the rails and the rod is fixed on clevises mounted in the associated hatch.

Furthermore, in line with each opening can be mounted a hopper for distributing the material emerging from the shell.

The material delivery hopper(s) exiting the hull can be mounted under the rails of the hatch(es) assembly.

In accordance with an interesting characteristic of the skip according to the present invention, on the upper wall of a hatch, advantageously in the vicinity of its edge which is adjacent to the material outlet opening at the time of closing the latter, is mounted a device for vertical and/or horizontal shearing of the material, this shearing advantageously taking place when the door is opened.

In particular, the shearing device can be constituted by a head part coming to be located above the upper wall of the hatch and connected to the latter by a foot part, the head part, advantageously in the form of a plate, having at least one horizontal shearing cutting edge, and the foot part having at least one vertical shearing cutting edge.

Also, the bucket according to the present invention may include means ensuring a leaktight closure of each material outlet opening by the associated hatch.

In accordance with a particular characteristic of the dump body, the side sliding rails can be U-shaped rails arranged facing each other, a hatch comprising an upper plate which, in the assembly position, is placed under the wings upper U-shaped rails, and two side plates inclined downwards in the mounting position, and connected to a lower plate,

parts of triangular section being mounted inside the rails over the extent of the travel of the hatch considered, and comprising two parts at right angles coming to be placed in the mounting position respectively facing the bottom of the U-shaped rail and view of the lower wing of said U-shaped rail, the two parts being joined by an inclined part against which the corresponding inclined side plate of the hatch slides, with the possible interposition of a wearing part, a pressurizing screw coming to press laterally against the wall of said part opposite the bottom of the U-shaped rail and a tightening screw ensuring the maintenance of said lower part of the part against the lower wing in the mounting position of the U-shaped rail, in order to force the hatch top plate against top wings in U-rail mounting position.

The shell can advantageously contain, in the rear space for receiving the material, inclined walls for guiding the material towards each opening normally closed by a hatch and cleared for the exit of the material.

Furthermore, the shell may comprise, both in the upper part and in the lower part, removable attachment means on the bucket.

The shell may also have at least one of the following components:

• at least one removable chute capable of being fixed under an opening or on a distribution hopper mounted under said opening;
• position lights;
• a junction box for wiring the warning light signals;
• at least one radio-remote control socket for the hydraulic or pneumatic cylinders;
• at least one auxiliary battery for autonomous operation of a hydraulic unit or one or more electric actuators;
• at least one removable foot to form a support leg on the floor of the hull in the disassembled state;
• a removable anti-passage device for ground protection of an operator near the hull.

The present invention also relates to a dumpster which comprises at least one opening normally closed by a hatch, which is mounted so as to displace at least part of the opening to allow the dumping of the contents of the dumpster,

characterized by the fact that

on the wall of a trapdoor, on the inlet side of the material, advantageously in the vicinity of its edge which is adjacent to the opening at the time of closing the latter, is mounted a device for vertical and/or horizontal shearing of the material, this shearing advantageously taking place when the door is opened.

The shearing device is advantageously constituted by a head part coming to be located above the upper wall of the hatch and connected to the latter by a foot part, the head part, advantageously in the form of a plate, having at least one horizontal shearing cutting edge, and the foot part having at least one vertical shearing cutting edge.

To better illustrate the object of the present invention, there will be described below, by way of indication and not limitation, a particular embodiment with reference to the appended drawing.

On this drawing :

is a side view of a dump body according to the present invention in the state placed on a subframe adaptable to the chassis of a carrier truck;

is a view corresponding to the showing the bucket in the state tilted backwards for the exit of the material it contains;

is, on a larger scale, a view of the rear closing shell part of the tipper, in the position of the ;

is a perspective view of the bucket in the tilted state towards the rear with the anti-passage device in the use position;

is, on a larger scale, a perspective view of the rear closure shell part of the bucket, in a position showing the space for receiving the material before its exit, with the material exit hatches in the closed position;

is a view corresponding to the , with the flaps in the open position;

is a perspective view of the hull without its casing, in a tilted position rearward relative to the position of the to show the underside of said shell;

is another perspective view of the hull without its casing, the hull being seen here in its rear part so as to show various accessories installed in said hull;

is a perspective view of the hatch assembly mounted at the base of the hull with the hatches in the open position;

is a view corresponding to the , the hatches being in the closed position;

is a top view of the assembly as shown in the ;

is a rear front view of the assembly as shown in the ;

is, on a larger scale, a sectional view according to XIII – XIII of the , showing a hatch in the mounted state in its sliding rails;

is a perspective view of a hatch without its control cylinder;

is a view corresponding to the , showing the disassembled hull, which has been laid on the ground;

is, on a larger scale, a view of the upper attachment part of the hull on the dump body, in the installed state;

is a view corresponding to the , showing the attachment part being installed or being uninstalled; And

is a view of the rear area of the bucket shown in the , with its shell in the material exit position, the latter being redirected using a chute.

If we refer to the Figures of the drawing, we can see that a skip 1 has been shown comprising a skip body 2 closed in its rear part by a shell 3, which has, in its bottom, two openings 4 under which is arranged a set of hatches 5, the openings 4 each being normally closed by the corresponding hatch 6, the control of which makes it possible to free the corresponding opening 4 for the exit of the material.

As can be seen on the , the tipper body 2 has two side walls 7 and a front wall 8 if we consider the tipper in place on a truck, the walls 7 and 8 being connected to a bottom 9.

At the rear, each of the walls 7 is connected to a post 10 on which the shell 3 is mounted, as will be described below.

On the , it can be seen that in the mounting position on the truck, the tipper body 2 rests on the transverse beams 11 of the subframe of the tipper 1, the longitudinal members of which are shown at 12.

The transverse beam 11 adjacent to the rear posts 10 is the transverse rotation beam, connected to the bottom 9, with a view to tipping the bucket 1 backwards, as shown in the .

The shell 3 is delimited on the outside by a casing 13 having two side walls 14 which, in the assembly position, are each located in the extension of a post 10, and a transverse rear closure wall 15 joining the two side walls 14 and comprising a vertical rear part with a return to the front in the upper part.

The shell 3 contains an internal structure 16 (Figures 5 to 8) comprising bars which can be seen more particularly in these Figures 5 to 8.

At the front, the structure 16 forms a frame whose uprights 17 come, in the assembly position, opposite the posts 10, whose lower crosspiece 18 comes opposite the corresponding edge of the bottom 9, and whose upper crosspiece 19 connects the tops of the two uprights 17.

At the base of each of the uprights 17 is connected a lower bar 20 which is connected by another bar 21 to the upper part of the upright 17. The two bars 21 are joined by a bar 22 which can be seen on the .

There is thus formed, on each side, a substructure which comes internally opposite the wall 14 of the shell 3.

Furthermore, the bars 19 and 22 are joined in the central part by bars 23 ( ).

Towards the rear of the bar 21, there is attached to it a plate 24 intended to come into contact with the casing plate 14.

Plate 24 includes:

• a reservation 25 for receiving a remote control box 26 (Figs 1 and 2) of a door displacement cylinder, which will be described later;
• in the upper part, a ventilation hole 27; And
• in the lower part, a hole 28 for material relief.

The ventilation hole 27 is in correspondence with ventilation holes 29 on the corresponding wall 14 of the casing 13.

The beam 20 carries, in its lower part, a plate 30 on which the casing 13 rests in this part.

As already indicated, the hatch assembly 5 is mounted in the lower part of the hull 3 and will be described in more detail below.

Above this assembly 5, there are folded sheets 31 inclined to form a guide for the material arriving before it falls through the openings 4.

These bent sheets 31 are connected as the case may be to the bars 17 to 23 of the structure 16.

In the rear part of the hull 3, left empty by the guided reception space which has just been described, are placed various accessories, such as a chute 32 intended to guide, if desired, the material coming out of the hull after the distribution hopper which will be described below; feet 33 intended to serve as support crutches when the shell 3 is placed on the ground in the disassembled state; socket supports 34 of the radio remote control of the cylinders; and an electrical junction box 35.

The shell 3 comprises external systems for receiving the feet 33 when these are extended and internal storage sleeves when they are retracted.

If we now refer to Figures 13 and 14, we can see that a hatch 6 has been shown, which comprises:

• a rectangular top plate 36;
• a rectangular bottom plate 37 parallel to the previous one and of smaller dimension;
• two inclined side plates 38; And
• a transverse end plate 39.

The lower plate 37 has holes 40 for lightening the material ( )

The plate 39 comprises two yokes 41 having facing openings 42 for the passage of the axis for fixing the head of the cylinder rod which will be described below.

Against each inclined plate 38 is placed a wear plate 43, for example made of Ertalon®.

On the upper plate 36 of a hatch 6 is arranged projecting a member 44 intended for the shearing of the material when the hatch 6 is opened. This member 44 is arranged on the side where the wall 39 is located and comprises a plate 45 tilted downward facing outward. This plate 45 is connected to the wall 36 by a foot 46. The upper outer edge 47 of the plate 45 is intended to ensure, during the opening movement of the hatch 6, a horizontal shearing of the material to disintegrate the clusters which may be formed, the foot 46 having a vertical edge 48 playing the same role but in the vertical direction.

The hatch assembly 5, inclined upwards (here at an angle of 35° seen from the rear part of the tipper relative to the bottom of the tipper body) in the rolling position of the tipper truck, comprises, as can be see in Figures 9 to 12, two U-shaped rails 49 sliding hatches, which are arranged opposite one another and joined by bars 50 at their ends.

Each of the rails 49 comprises a bottom 51, an upper wing 52 and a lower wing 53, the bottom 51 coming to be placed in the vertical position and the wings 52 in the horizontal position when the material comes out, a position in which the openings 4 at the the cleared state will be in a horizontal position following the tipping of the bucket backwards.

Between the two rails 49 in the central part, there are two horizontal cylinder clevises 54, the lower clevis being carried by a hooking piece 55 placed under the rails 49.

On either side of the yokes 54 are mounted two cylinder bodies 56 by an axis 57.

In each cylinder body 56, a rod 58 slides, the assembly of which has been described with reference to the .

It is understood that, by controlling the jacks 56-58, one can move two hatches 6 sliding in the rails 49, to release two openings directly in correspondence with the aforementioned openings 4. A hydraulic control unit (CH) for controlling the cylinders is represented on the .

A part 59 is arranged in the lower part of each of the rails 49 in use.

It comprises a part 60 coming to be placed against the bottom 51 and a part 61, perpendicular to the previous one, coming to be placed against the lower wing 53, the two parts 60 and 61 being joined by an inclined part 62 coming to rest against the wearing part 43.

A bearing pressure screw 63 bears against part 60 and a clamping screw 64 holds part 61 against wing 53.

By means of these parts 59, which extend over the entire stroke of the associated hatch 6, a permanent tight hold is ensured of the plate 36 against the upper flanges 52, avoiding an unwanted passage of material.

The hatch assembly 5 is fixed to the corresponding lower edges of the sheets 31.

Furthermore, it carries, under the lower flanges 53 and under the bars 50, a material distribution hopper 65, which comprises in the lower part a collar 66 allowing the adaptation of a chute, such as the chute 32.

For the attachment of the shell 3 to the skip body 2, provision is made, in the example shown, on the one hand to arrange, on the beam 19, a plate 67 on which is mounted a parrot hook 68 cooperating with a double articulation 69 mounted at the top of the post 10 of the skip, and, on the other hand, to arrange, under the beam 18, a system 70 for the low fixing on the skip body 2.

On the upper part 19, are arranged eyelets 71 for lifting the shell 3 with a view to its installation on the skip body 2, and joints 72 on the casing 13.

In Figures 3, one can also see the side position lights 73 and on the , the rear position lights 74 and the signaling plates 75.

The anti-passage device 76 is likely to be folded down (see ) to protect the operator when dumping material. It comprises a bar 77 the width of the bucket 1, connected by its two ends to arcuate bars 78 hinged to each of the side walls 14 of the casing 13.

The 33 feet that can be seen on the can be stored in slots such as 79 ( ) or in sleeves such as 80 ( ).

When it is desired to distribute the material contained in the bucket 1, the latter is raised by an angle α which is 35° in the example shown, to arrive at a position in which the openings 4 are located in a plane horizontal, allowing a vertical exit of the material, without projection.

Claims (15)

– Tipper mounted tilting so that the material it contains can be evacuated by gravity when its front part is raised, said skip (1) comprising a skip body (2) closed at the rear by a shell part (3) which delimits a rear space for receiving the material before it leaves and which comprises, in its bottom, at least one opening (4) normally closed by a hatch (6), which is mounted so as to displace at least part of the associated opening (4) to allow material to exit, characterized in that
the plane of the opening or openings (4) of the bottom of the shell part (3) is inclined or tiltable with respect to the bottom of the skip (2) by an angle such that, when the skip is tilted backwards in seen from the outlet of the material, the opening or openings (4) come to be located in a position in which the material arriving in the rear reception space falls, through the cleared opening or openings (4), vertically or at + 20° from the vertical. – Bucket according to claim 1, characterized in that the plane of the opening or openings (4) of the bottom of the shell part (3) is inclined or tiltable at an angle of 10° to 50° relative to the bottom of the the bucket (1), this angle being seen from the rear part of the bucket (1). - Tipper according to one of claims 1 and 2, characterized in that the hatch or hatches (6) are mounted movable by sliding. – Tipper according to claim 3, characterized in that the displacement of the hatch or hatches (6) by sliding is manually, pneumatically, hydraulically or electrically controlled. - Tipper according to one of claims 3 and 4, characterized in that the shell (3) has a hatch assembly (s) (5) mounted at its lower part, said hatch assembly (s) (5) having two opposite fixed rails (49) for sliding the hatch or hatches (6), the opening or openings (4) in the bottom of the shell (3) being releasable for the exit of the material. - Tipper according to claim 5 wherein the sliding of the hatch or hatches (6) is controlled by jack(s), characterized in that the hatch assembly (s) (5) comprises at least one jack (56- 58) whose body (56) is fixed on clevises (54) mounted in connection with the rails (49) and the rod (58) is fixed on clevises (41) mounted in the associated hatch. – Tipper according to one of claims 1 to 6, characterized in that in line with each opening (4) is mounted a hopper (65) for distributing the material coming out of the shell (3). – Tipper according to one of Claims 5 and 6 and Claim 7 taken simultaneously, characterized in that the hopper or hoppers (65) for distributing the material emerging from the shell (3) are mounted under the rails (49). - Tipper according to one of claims 1 to 8, characterized in that, on the upper wall of a hatch (6), advantageously in the vicinity of its edge which is adjacent to the outlet opening of the material at the time of the closure of the latter, is mounted a device (44) for vertical and/or horizontal shearing of the material, this shearing advantageously taking place during the opening of the hatch. - Bucket according to claim 9, characterized in that the shearing device (44) is constituted by a head part coming to be located above the upper wall of the hatch and connected to the latter by a foot part (46) , the head part, advantageously in the form of a plate (45), having at least one cutting edge (47) for horizontal shearing, and the foot part (46) having at least one cutting edge (48) for vertical shearing. - Bucket according to one of claims 1 to 10, characterized in that it comprises means ensuring leaktight closure of each material outlet opening by the associated hatch (6). - Tipper according to claims 5 and 11 taken simultaneously, characterized in that the side sliding rails (49) are U-shaped rails arranged facing each other, a hatch (6) comprising an upper plate (36) coming, in the assembly position, to be placed under the upper wings (52) of the U-shaped rails (49), and two side plates inclined (38) downwards in the assembly position, and connected to a lower plate ( 37),
parts (59) of triangular section being mounted inside the rails (49) over the extent of the travel of the hatch (6) considered, and comprising two parts at right angles (60 and 61) coming to be placed in mounting position respectively facing the bottom (51) of the U-shaped rail (49) and facing the lower flange (53) of said U-shaped rail (49), the two parts (60 and 61) being joined by a part inclined (62) against which the corresponding inclined side plate (38) of the hatch (6) slides, with the possible interposition of a wearing part (43), a pressurizing screw (63) coming to press laterally against the wall (60) of said part (59) facing the bottom (51) of the U-shaped rail (49) and a tightening screw (64) ensuring the maintenance of said lower part (61) of the part (59) against the lower wing (53) in the mounting position of the U-shaped rail (49), in order to force the upper plate (36) of the hatch (6) against the upper wings (52) in the mounting position U-shaped rails (49). – Skip according to one of claims 1 to 12, characterized in that the shell (3) contains, in the rear space for receiving the material, inclined walls (31) for guiding the material towards each opening (4) normally closed by a hatch (6) and cleared for the exit of the material. - Bucket according to one of claims 1 to 13, characterized in that the shell (3) comprises, both in the upper part and in the lower part, removable attachment means on the bucket (1). - Tipper according to one of claims 1 to 14, characterized in that the shell (6) also has at least one of the following members:

• at least one removable chute capable of being fixed under an opening or on a distribution hopper mounted under said opening;
• position lights;
• a junction box for wiring the warning light signals;
• at least one radio-remote control socket for the hydraulic or pneumatic cylinders;
• at least one auxiliary battery for autonomous operation of a hydraulic unit or one or more electric actuators;
• at least one removable foot to form a support leg on the floor of the shell in the disassembled state;
• a removable anti-passage device for ground protection of an operator near the hull.