ITAN20120170A1 - TRANSPORTABLE EQUIPMENT FOR BETONING - Google Patents

Description

TRANSPORTABLE EQUIPMENT FOR CONCRETE

Description.

The present invention relates to a transportable equipment for concrete mixing.

In particular, it is a composite batching equipment consisting of at least two transportable modules independently of each other and designed to be operationally connected to each other.

Currently known batching plants for the production of concrete are equipped with a mixer, generally discontinuous (batch), which is fed with cement and water in the predetermined doses.

Concrete mixing plants, especially those made to ensure high productivity, have considerable dimensions and bulk which make transport and installation very difficult and expensive.

To overcome the difficulties related to transport, these systems can be dismantled and therefore need to be transported disassembled into their parts, with the use of several vehicles.

To be operational, the systems must then be reassembled in the new site and installed on specific foundations by specialized technicians.

Once the activity in the regretted site has been completed, it is again broken down into its parts and transported to the next site where it will have to be re-assembled.

These concrete mixing plants therefore have drawbacks.

The installation process in fact requires the unloading of the components from the vehicles, their positioning on the ground, the assembly and / or the correct mutual positioning of the same with the consequent use of labor for relatively long installation times, thus entailing high costs of installation.

The installation process is difficult and therefore requires skilled labor.

In this context, the technical task underlying the present invention is to create a transportable equipment for concrete mixing that remedies the aforementioned drawbacks.

In particular, the technical task of the present invention is to create a transportable equipment for concrete mixing that allows to reduce the installation times necessary to be made operational and put into operation by site personnel without specialized technicians.

It is a further technical task of the present invention to provide a transportable equipment for concrete mixing that makes its installation easier, minimizing the labor required for its installation and the consequent costs.

It is a further technical task of the present invention to provide a transportable equipment for concrete mixing that is easily transportable.

It is a further technical task of the present invention to provide a transportable equipment for concrete mixing that allows easier inspection and cleaning of the interior of the continuous mixer.

The technical task and the purposes indicated are substantially achieved by a transportable equipment for concrete mixing in accordance with what is described in the attached claims.

Further features and advantages of the present invention will become more evident from the detailed description of some preferred, but not exclusive, embodiments of a transportable equipment for concrete mixing illustrated in the accompanying drawings, in which:

Figure 1 shows an apparatus from above in accordance with a preferred embodiment of the present invention and in its own operating configuration with a central operating group and two storage groups on the sides;

Figure 2 shows the equipment of Figure 1 in front view;

Figure 3a shows a schematic top view of a storage unit in accordance with the equipment in Figure 1;

Figure 3b shows a side view of the storage unit of Figure 3a with some parts in the foreground removed to better highlight those behind them;

Figure 4a shows a schematic top view of an operating group of the equipment of Figure 1;

Figure 4b shows a side view of the operating unit of Figure 4a in which a conveyor belt is shown in a retracted position (solid line) and in an extracted position (dashed line);

Figures 5a to 5d show a schematic side view of the operating unit of Figure 4b in which a mixer and the conveyor belt are arranged according to four different reciprocal positions;

figure 6 shows a left side view of the equipment of figure 1 without the left storage unit, and where the central operating unit is distinguished in the foreground and the right-hand storage unit is distinguished in the background;

Figure 7 shows a side view of the conveyor belt of the apparatus of Figure 4b; figure 8 shows the conveyor belt of figure 7 from above;

figure 9 shows a first cross section of the conveyor belt of figure 8 along the line IX-IX;

figure 10 shows a second cross section of the conveyor belt of figure 8 along the line X-X;

figure 11 shows a cross section of a mechanism for moving the conveyor belt along the line XI-XI of figure 6;

Figure 12 shows a side view of the frame of the operating unit of Figure 4a; Figure 13 shows a front view of lifting means for the belt of Figure 8;

Figure 14 is a side view from the right of the lifting means of Figure 13 with a part in the foreground removed;

Figures 15a and 15f show a side view of the storage unit during transport and installed respectively, while Figures 15b to 15e show various successive configurations during the transition from the situation of Figure 15a to the situation of Figure 15f; Figures 16a and 16f show a side view of the storage unit during transport and installed respectively, while Figures 16b to 16e show various successive configurations during the transition from the situation of Figure 16a to the situation of Figure 16f; Figures 17a to 17c show three successive reciprocal arrangements of the operating group and the storage groups from above to obtain the operating configuration represented in figure 17d;

figure 18 shows a schematic side section of the mixer without the internal parts; figure 19 shows a schematic cross section of a part of the mixer of figure 18.

With reference to the aforementioned figures, the reference number 1 globally indicates a transportable equipment for concrete mixing according to the present invention.

The equipment 1 in question has as its object the production of concrete from water, aggregates, such as sand and gravel of different grain sizes, and cement.

This apparatus 1 is designed to ensure considerable productivity and at the same time to be transportable by means of several vehicles such as for example semi-trailers of articulated vehicles.

The equipment 1 consists of several modules that can be transported independently of each other, so each of them can, for example, be transported on a different semi-trailer. In particular, the apparatus 1 comprises at least a first operating group 2 and at least a second storage group 3, each of which can be transported independently of the other by means of a first vehicle 4 and a second vehicle 5 respectively, such as for example articulated trucks.

In Figures 1 and 2, the operating unit 2 is represented centrally, while two identical storage units 3 are represented laterally, on opposite sides with respect to the operating unit 2. Advantageously, in fact, the apparatus 1 can comprise a plurality of storage units 3 , for example two.

The modules, that is to say the operating group 2 and the storage group (s) 3, are pre-assembled or require practically no assembly during their installation.

Consequently, the operating unit 2 and the storage unit (s) 3 do not require any assembly to be made operative but their mutual positioning according to a particular arrangement is substantially sufficient. Once the modules that make up the apparatus 1 have been brought to the work place, they are substantially, possibly with minimal precautions, ready to be operative and once correctly arranged they can start the production cycle.

The operating unit 2, clearly visible in figures 4a to 6, in turn comprises a first frame 6 (figure 12) which provides support for the rest of the components which form part of the operating unit 2 itself.

During the transport of the operating unit 2, the first frame 6 rests and 5 is suitably fixed to the first vehicle 4.

On the other hand, when the operating unit 2 is not being transported, the first frame 6 can advantageously rest indirectly on the ground 7 by means of first lifting means 8 mounted on the first frame 6 to allow to support the weight of the rest of the operating unit 2 and to vary the height and / or inclination 10 of the first frame 6 with respect to the ground.

Within the scope of the present invention, the first lifting means 8 substantially consist of a plurality of hydraulic cylinders of known type.

Wheels could also be mounted on the first frame 6, thus making the operating unit 2 autonomously transportable without any need for an additional semi-trailer (not shown).

In this case, however, the wheels should allow at least Γ lowering of the first frame 6 with respect to the ground.

These wheels could also be part of the first lifting means 8 and in this case they could be used as an alternative to the hydraulic cylinders of the first lifting means 8.

Advantageously, the first lifting means 8 are operatively connected to a first control unit 9 mounted on the first frame 6 and operable by means of it through a first control panel 10 installed on the first frame 6.

As clearly visible in figure 4b, a control cabin 11 can be mounted on the operating unit 2 to house the personnel assigned to control the equipment 1 and in which the first control panel 10 can be installed.

Also each storage group 3, visible respectively from above and from the front in Figures 1 and 2 together with the operating group 2 and in Figures 3a and 3b, in turn comprises a second frame 12 which provides support for the rest of the components that make part of the storage group 3 itself. Also in this case, during the transport of the storage group 3, the second frame 12 rests on the second vehicle 5 to which it is suitably fixed.

Advantageously, when the storage group 3 is not being transported, also the second frame 12 can rest 5 indirectly on the ground 7 through second lifting means 13, similar to the first, mounted on the second frame 12 to allow to support the weight of the rest of the storage group 3 and to vary the height and / or inclination of the second frame 12 with respect to the ground 7.

In a substantially similar way to what has been said with reference to the operating group 102, wheels could also be associated with the second frame 12 to make it autonomously transportable.

The second lifting means 13 are also advantageously in operational connection with a second control unit 14 mounted on the second frame 12 and can be operated by means of it through a second control panel 15 also installed on the second frame 12.

The storage group 3 also comprises stowage means 16 for the aggregates mounted on the second frame 12 and comprising at least one inlet 17 and at least one outlet 18 to respectively allow the loading and unloading of the aggregates themselves.

Advantageously, these stowage means 16 comprise one or more hoppers 19 (Figures 3a and 3b).

In the preferred embodiment, each storage group 3 comprises two hoppers 19 and therefore can accommodate two mixtures of aggregates having different granulometry.

Logically, in the event that the equipment 1 includes several storage groups 3, the number of different mixtures of inert materials that can be stored is consequently higher.

Each hopper 19 can be loaded at its inlet 17, advantageously constituted by an upper mouth, and can unload material at its outlet 18, advantageously constituted by a lower mouth. The filling of the hoppers 19 can take place by means of mechanical shovels which take from heaps of aggregates present on site.

Since, however, the heaps may contain elements having an excessive size, advantageously in correspondence with the inlet 17 of each hopper 19 there is a grid 20 which acts as a filter, having a texture such as to stop the aggregates not suitable for being inserted inside. of the hopper 19 itself.

Advantageously, each hopper 19 is mounted on the second frame 12 by means of load cells (not shown), also part of the stowing means 16, which are in operative connection with the second control unit 14 to keep the weight of the material under control. inserted into each hopper 19.

The storage unit 3 also comprises first means 21 for feeding the aggregates mounted on the second frame 12 at the outlet 18 of each hopper 19 and therefore, in accordance with the preferred embodiment, below the hoppers 19 to receive the aggregates. by stowing means 16 and depositing them in correspondence with a first unloading area 22 identified by the first feeding means 21 themselves (Figures 2 and 6).

The first feeding means 21 feed aggregates to a mixer 23 which is part of the operating group 2.

In the preferred embodiment, the first feeding means 21 are substantially constituted by a feeding belt 24, or a motorized conveyor belt positioned below the outlet 18 of the hoppers 19 and visible in figures 2, 3b and 6.

The feeding belt 24 allows to collect the (inert) material coming from the outlets 18 of the hoppers 19 and to bring it up to a drop point 25 (i.e. the point where the feeding belt 24 changes direction of advancement) at which the first unloading area 22 is identified.

Advantageously then, the first feeding means 21 further comprise at least one extractor belt 26 associated with the second frame 12 below the outlet 18 of each hopper 19 to collect the aggregates coming out of the same and then drop them, dosing them, on the underlying belt. power supply 24.

The first feeding means 21 are also operatively connected to the second control unit. In the preferred embodiment, the storage unit 3 also comprises at least a first tank 27 for water and a second tank 28 for liquid additives (Figures 2 and 3a, not illustrated instead in figure 3b).

In particular, the first tank 27 can be connected to the local water network to allow the maintenance of a certain level of water inside it and to avoid excessive emptying of the same.

The water from the first tank 27 possibly added with additives, is brought to the first discharge area 22 through second water supply means 29 (Figures 3a and 3b) which include at least one pipeline 30 connected to the 10 tanks.

The second means can also comprise at least one pump to allow the desired flow to be determined, at least one sensor for detecting emptying of the tanks and a system of valves (for example solenoid valves) to manage the flows in the pipelines present in a substantially known manner (not shown ).

Advantageously, the second 15 feeding means 29 can deliver water continuously according to a predetermined flow rate. The second power supply means 29 are then interfaced in a known way to the second control unit 14.

Advantageously then, the storage unit 3 also comprises at least a warehouse 3 1 for the cement and third means 32 for feeding 20 cement from the warehouse 3 1 to the first unloading area 22, also operationally connected to the second control unit 14.

In accordance with the preferred embodiment, the third feeding means 32 substantially consist of two augers 33 which extract the cement to bring it, dosing it, to the first unloading zone 22.

The warehouse 31 can for example be fed from a silos present on site through a connection duct (not shown) which can be connected to the warehouse 31 by means of a connection hole 34 present on it, to guarantee Γ supply of cement in a way to avoid excessive emptying of the magazine 31 itself.

Moving on to the operating group 2, it further comprises a mixer 23 (Figure 18) mounted on the first frame 6 for mixing aggregates with water and cement and producing concrete by means of mixing.

Advantageously, the mixer 23 is of the continuous type to allow the continuous production of concrete and is operationally connected to the first control unit 9 which determines its operation also on the basis of the instructions given by the user through the first control panel 10

The mixer 23 is equipped with at least one loading mouth 35 for the materials to be mixed and an unloading mouth 36 for the concrete produced during operation.

In the preferred embodiment, the mixer 23 is substantially constituted by a casing 37 of tubular shape and elongated between the loading mouth 35 and the unloading mouth 36 and inside which there is a rotating shaft equipped with blades of a known type (not shown) .

The nature of the materials to be mixed makes it necessary to frequently clean the interior of the casing 37 of the mixer 23 and the rotating shaft inside it.

Advantageously, therefore, the fairing 37 comprises at least one inspection window 38 and at least one closing element 39 movable between an open position in which it allows access to the inspection window 38 and a closed position in which it closes the inspection window 38 .

As better evident in Figure 19, in accordance with an innovative aspect that can also be applied to other continuous mixers regardless of whether they are inserted in the apparatus 1 object of the present invention, the mixer 23 comprises closing means 40 for switching the element closure 39 movable between the closed position and the open position.

In accordance with the preferred embodiment solution, the closing means 40 are also operatively connected to the first control unit 9 which determines their operation.

The closing element 39 looks like a portion of the fairing 37 that can be opened and closed on the rest of the fairing 37 itself. The closing means 40 may comprise one or more first actuators 41 for closing element 39 or, in the presence of more than one closing element 39, a single first actuator 41 may suffice for more than one closing element 39.

In the preferred embodiment, the closing element 39 is a hatch pivoted around an axis parallel to the main direction 42 5 of development of the fairing 37.

The first actuators 41 are advantageously extendable cylinders (for example hydraulic, pneumatic, electromechanical, etc.) pivoted at one end to a portion of the mixer 23 integral with the fairing 37 and rotatably associated with the door at the other end at such a point that the variation in length of the extendable cylinder 10 corresponds to a rotation of the door.

In the preferred embodiment, as visible in Figure 19, the mixer 23 comprises a trolley 43 to which each extendable cylinder is rotatably fixed through its end not connected to the door.

Obviously, other construction solutions fall within the innovative aspect described so far.

For example, the portion 15 of the fairing 37 which constitutes the closing element 39 (the tailgate) can, during the changeover from the closed position to the open position, move radially with respect to the main development direction 42 of the fairing 37 itself, thus offering an opening through which it is possible to inspect or anchor the closing element 20 39 can move, by means of rails and / or a special actuator, from the closed position in which it covers the inspection window 38 to the open position in which it is displaced laterally (solution not shown).

It is clear that the innovative aspect described up to now can be applied to any type of continuous mixer and to any shape of the same.

In accordance with the preferred embodiment of the present invention, the mixer 23 is movable with respect to the first frame 6 between a first position in correspondence with which the loading mouth 35 of the mixer 23 is in correspondence with an inlet area 44 (figure 5b ), and a second position in correspondence with which the loading mouth 35 of the mixer 23 is spaced with respect to when it is in the first position (Figure 5a).

In figures 5a to 5d the inlet area 44 is placed in correspondence with a vertical dashed line 45 which represents the direction of fall of the material from the first feeding means 21.

Advantageously, the operating unit 2 then comprises first movement means 46 to allow the movement of the mixer 23 between the first and second position. In particular, they comprise first guides 47 mounted on the first frame 6 and first wheels 48 associated with the mixer 23, better evident in figures 4b, 6 and 19 which allow the mixer 10 23 to be moved on the first guides 47.

In the preferred embodiment, the first guides 47 form a first track on which the mixer 23 can slide through four first wheels 48 mounted on the trolley 43 (two wheels for each side of the mixer 23).

In particular, the first guides 47 have a particular C-shaped section (figure 19) within which the first wheels 48 can slide.

The first movement means 46 further comprise at least a second actuator 49, such as a hydraulic cylinder, which allows the active movement of the mixer 23 along the first guides 47 (Figure 4b).

Obviously, the first handling means 46 are also operatively connected to the first control unit 9 and can be controlled by means of it through the first control panel 10. In some applications, the concrete produced by the mixer 23 may have to be brought to an area which is in a position other than that of the discharge mouth 36 of the mixer 23.

For example, it may be necessary to bring the concrete produced by the mixer 23 to a second unloading area 50 far from the unloading mouth 36.

Advantageously, the operating unit 2 further comprises concrete transport means 51 associated with the first frame 6 in correspondence with the discharge mouth 36 of the mixer 23 to collect the concrete produced.

The means of transport 51 in turn define the second unloading area 50 and allow to transport the collected concrete up to the second unloading area 50 where the concrete is definitively released by the operating unit 2.

In order to be transportable, it is useful for the operating group 2 to offer the minimum space 5 possible in transport conditions, but on the other hand, as already mentioned, during the production of concrete it is useful for the means of transport 51 to allow transporting the itself to a second unloading area 50 which is relatively distant from the unloading mouth 36 of the mixer 23; advantageously then, the transport means 51 are movable between a retracted position in which they allow the operating unit 2 to have a minimum bulk, useful during transport, and an extracted position in which they protrude with respect to the rest of the operating unit 2 more than when they are in retracted position.

Advantageously then, the movement of the transport means 51 between the two positions takes place through second movement means 52 associated between the first frame 6 and the transport means 51 themselves.

These second handling means 52 are also operatively connected to the first control unit 9 and can be controlled by means of it through the first control panel 10. Usually the concrete must be brought to places at a height with respect to the ground 7 which is different (usually greater) from that of the discharge mouth 36 of the mixer 23, for example to make the concrete fall into the body of a truck.

Consequently, the concrete leaving the mixer 23 must be transported to a height different from that of the discharge mouth 36 and usually higher.

Advantageously, then, the transport means 51 when they are in the extracted position can assume an angular orientation in the space different from that assumed when they are in the retracted position.

In accordance with the preferred embodiment, the transport means 51 comprise a conveyor belt 54 (Figures 7, 8, 9 and 10) of substantially known type.

The conveyor belt 54, intended for the handling of concrete, consists of a lattice frame 55 and is equipped with a handling canvas 56 which can be made of rubber and of high thickness and in any case suitable for the transport of concrete.

As can be seen in Figure 10, the handling ply 56 advantageously slides resting on sliding rollers 57 mounted on the frame 55 according to an arrangement, which, seen in section, appears as an open "U", to allow the conveyed concrete to be placed centrally to the handling canvas 56 minimizing the dispersion of concrete on the sides.

The conveyor belt 54 also includes two handling rollers 58 mounted on the frame 55 to move the handling canvas 56.

These movement rollers 58 are positioned at the two ends of the conveyor belt 54 itself and can each rotate around a first axis of rotation 59 which is substantially horizontal and perpendicular to the longitudinal axis 60 which identifies the longitudinal development of the conveyor belt 54. Furthermore, a first motor 61 is associated with at least one of the two movement rollers 58.

In figure 9 it is possible to see a cross section of a movement roller 58 and of the first motor 61 associated with it.

In the preferred embodiment, the second movement means 52 are then substantially constituted by a drive roller 62, the section of which is visible in figure 11, mounted on the first frame 6 and controlled by a second motor 63 and equipped with two second flanged wheels 64 on which a portion of the frame 55 of the conveyor belt 54 rests.

The driving roller 62 in particular can rotate around a second rotation axis 65 which is parallel to that of the movement rollers 58.

The second handling means 52 also comprise second guides 66 (Figure 12) on which the frame 55 of the conveyor belt 54 can slide by means of third wheels 67 mounted on the frame 55 itself.

In the preferred embodiment, the second guides 66 are completely similar to the first guides 47 and form a second track within which the third wheels 67 can slide.

Advantageously, the frame 55 of the conveyor belt 54 has a distal end 68 free from constraints and a proximal end 69 constrained by the third wheels 67.

At the distal end 68 the second unloading area 50 is identified; furthermore, as better evident in Figure 9, the conveyor belt 54, in correspondence with the second unloading area 50, is equipped with a funnel 70 to correctly convey the material falling from the handling cloth 56.

At the proximal end 69, on the other hand, the frame 55 is rotatably associated with the second guides 66 by means of the third wheels 67 which therefore allow both the translation of the frame 55 along the second guides 66 and the rotation of the frame 55 around a third axis of rotation 71 parallel to the axes of rotation 59 of the movement rollers 20 58 and coinciding with the axis of rotation of the third wheels 67 themselves (to allow the angular orientation to be varied).

The actuation of the second motor 63 determines the rotation of the driving roller 62 and therefore of the two second flanged wheels 64 which by friction cause the displacement of the frame 55 of the conveyor belt 54 between the retracted position and the 25 extracted position along the second guides. 66.

Obviously some variants are possible, for example the two second flanged wheels 64 can be replaced by rack wheels if, for example, the inclination of the frame 55 with respect to the ground 7 makes it necessary.

In accordance with the preferred embodiment then, the means 53 for varying the angular orientation are substantially constituted by a pair (but there could also be only one) of lifting cylinders 72 (figures 4b, 13 and 14) mounted on the first frame 6.

In particular, each of these lifting cylinders 72 is equipped with a fin 73 (Figure 14) protruding from the profile of each lifting cylinder 72 itself and substantially shaped 5 like a hook.

During the extension of the lifting cylinders 72, when the conveyor belt 54 is in the extracted position, the relative fins 73 allow to hook two protrusions 74 obtained on the frame 55 of the conveyor belt 54 causing the lifting of the free distal end 68 and consequently varying it 10 the angular orientation in a vertical plane parallel to the longitudinal axis 60 (and advantageously comprising the same) of the conveyor belt 54 itself.

Advantageously then, also the transport means 51 and the second handling means 52 are operatively connected to the first control unit 9 and can be controlled by means thereof through the first control panel 10.

In order to limit the overall dimensions during the transport of the operating unit 2, the mixer 23 and the conveyor belt 54 are advantageously arranged according to a precise configuration.

In the preferred embodiment in particular, the conveyor belt 54 is positioned, when it is in its retracted position (but at least partially also in the extracted position), below the mixer 23.

Basically, as visible in Figures 4b and 6, the mixer 23 and the conveyor belt 54 are slidingly associated respectively on first guides 47 and second guides 66 (and therefore on the first track and the second track respectively) which run substantially parallel to each other and with the first guides 47 placed above the second guides 66.

Consequently, the conveyor belt 54 can be switched from the extracted position to the retracted position, and vice versa, regardless of the position assumed by the mixer 23.

In the preferred embodiment, when the transport means 51 in the extracted position can assume an angular orientation in the space different from that assumed when they are in their retracted position, the angular orientation variation can occur only when the mixer 23 is in its first position.

Advantageously, this control is carried out by the first control unit 9 which prevents the rationing of the means 53 for varying the angular orientation (and therefore of the lifting cylinders 72) when the mixer 23 is not in the first position.

For example, considering the conveyor belt 54, it can be switched from the retracted position to the extracted position regardless of the position of the mixer 23 but the angular position of the same conveyor belt 54 cannot be changed unless the mixer 23 is in its first position so that the conveyor belt 54 finds no obstacles during the variation of its angular position by means of the lifting cylinders 72.

With reference to the apparatus 1 as a whole, in accordance with the present invention, the apparatus 1 can assume an operating configuration in correspondence with which the operating unit 2 and the storage unit 3 are arranged with the first unloading area 22 in correspondence of the loading mouth 35 of the mixer 23 to feed the aggregates to the mixer 23 itself.

The operating configuration is therefore advantageously the result of only the reciprocal positioning between the operating unit 2 and the storage unit 3 and therefore no assembly of components is necessary to obtain it.

In the preferred embodiment, the operating configuration is obtained by ensuring that the point 25 of the material falling from the feeding belt 24 is substantially above the loading mouth 35 of the mixer 23 so that the material which is on the feeding belt 24 may fall inside you.

Advantageously, the third feeding means 32 can be provided to release cement onto the material placed on the first feeding means 21 substantially in correspondence with the first unloading area 22 so that the first feeding means 21 simultaneously feed cement and aggregates to the loading mouth. 35 of the mixer 23.

In this case the augers 33 which extract cement from the warehouse 31 are arranged in such a way as to pour the cement onto the material placed on the supply belt 24, preferably in a point substantially in correspondence with the first unloading area 22.

Obviously, as already mentioned above, in the preferred embodiment of the present invention, the apparatus 1 can comprise a plurality of storage units 3.

In this case, in the operating configuration each storage group 3 has its own first unloading zone 22 in correspondence with the loading mouth 35 of the mixer 23.

If, for example, there are two storage units 3, this can be achieved by arranging the operating unit 2 centrally and arranging the two storage units 3 substantially symmetrically with respect to it so that, seen from above (figure 1 ), equipment 1 has a cross / T-shaped plan.

In the preferred embodiment then, in the operating configuration, the mixer 23 is arranged in its first position, ie with its loading mouth 35 in correspondence with the inlet area 44 (Figures 5b, 5c and 5d).

Consequently, in the operative configuration the first unloading area 22 is found in correspondence with the inlet area 44 (Figures 2 and 6).

In the preferred embodiment, in order to obtain the operating configuration starting from the situation in which the operating unit 2 and the storage unit (s) 3 are transported respectively on the first vehicle 4 and on the second vehicle (s) 5 , some phases can be followed which are shown in figures 15 for the storage group (s) 3 and 16 for the operating group 2.

Finally, in figures 17 you can see from above the combined representation of the same phases, with reference to the equipment 1 comprising two storage groups 3.

In figure 16a it is possible to see the operating unit 2 which rests on the first vehicle 4 during transport: the conveyor belt 54 is in its retracted position to limit the overall dimensions and the mixer 23 is substantially above it in its second position.

The first vehicle 4 then reaches the position in which the apparatus 1 must be installed and at that point the hydraulic cylinders forming part of the first lifting means 8 are activated to lift the first frame 6 from the first vehicle 4 so that it can slide off from under the first frame 6 (figure 16b).

Subsequently, the first vehicle 4 is removed from under the first frame 6 which rests on the ground 7 exclusively by means of the first lifting means 8 (Figure 16c).

To obtain the operating configuration, the first frame 6 is lowered to reach its own lowered configuration so as to allow the subsequent positioning of the storage unit 3 with the first unloading zone 22 in correspondence with the inlet zone 44 (Figure 16d).

The apparatus 1 therefore, being that the first frame 6 is in a lowered configuration and that the mixer 23 is in its second position, is in its own installation configuration.

At this point, the second vehicle 5 carrying the storage unit 3 can begin to carry out maneuvers to approach the operating unit 2.

Advantageously, a part of the storage unit 3 in correspondence with the first unloading area 22 projects at the rear from the shape of the second vehicle 5 on which the storage unit 3 is transported (Figures 15d and 17b); in particular, therefore, part of the first feeding means 21 (the feeding belt 24), of the second feeding means 29 (the duct 30) and of the third feeding means 32 (the augers 33) protrudes from the rear from the shape of the second vehicle 5, in such a way as to allow its positioning above the operating unit 2 (and in particular in correspondence with the entrance area 44), preventing the second vehicle 5 from impacting against the operating unit 2 itself during approaching maneuvers.

The approaching maneuvers continue until the first unloading zone 22 is found in correspondence with the entry zone 44 (Figure 17c).

Therefore, in order to allow the mixer 23 to reach its first position, the second lifting means 13 are activated to raise the second 5 frame 12 with respect to the ground level 7 and with respect to the second vehicle 5 (Figure 15e). Once the second frame 12 has been raised, the second vehicle 5 is removed (figure 15f) and the mixer 23 is switched from the second to the first position thus obtaining the operating configuration in which the first unloading area 22 is located in correspondence with the inlet. of the mixer 23, in the inlet area 44 (figures 15f and 16e).

In the preferred embodiment then, in the operative configuration the transport means 51 are brought into the extracted position; in particular the conveyor belt 54 is brought into the extracted position and its angular orientation can be varied (Figures 16f and 17d).

Obviously the steps listed above and their sequential order are to be understood as referring to the particular preferred embodiment of the present equipment 1 and the order of some of them is to be understood as preferential.

Furthermore, some phases relating to the operating group 2 and others relating to the storage group 3 can take place independently and / or simultaneously.

As regards the storage unit 3, then, some preliminary stages may also be envisaged to those previously listed for the cases in which its bulk cannot protrude, according to the legislation in force, from the shape of the second vehicle 5 during road transport.

In fact, in these cases, during transport the storage unit 3 does not protrude from the rear from the second vehicle 5 (figures 15a and 17a).

Consequently, once the destination is reached, where the apparatus 1 must be installed, the second lifting means 13 are activated to lift the second frame 12 from the second vehicle 5, so that the storage unit 3 is supported exclusively by means of they (Figure 15b).

The second vehicle 5 can therefore be partially removed from under the second frame 12 until the first unloading area 22 protrudes sufficiently from the second vehicle 5 itself (Figure 15c).

At this point the second lifting means 13 are activated again to put the second frame 12 back on the second vehicle 5 (figures 15d and 17b) which can then continue with the approach maneuvers described above.

In some embodiments (not shown) it is then possible to provide that part of the first feeding means 21 (the feeding belt 24), of the second feeding means 29 (the duct 30) and of the third feeding means 32 (the augers 33 ) are movable between a working configuration in which they protrude from the overall dimensions of the rest of the storage group 3 and a transport configuration in which they fall within the overall dimensions of the storage group 3 to prevent it from protruding, during transport, from the second vehicle 5.

In accordance with the preferred embodiment of the present invention, the apparatus 1 comprises at least one control unit 75 which in the operating configuration is in operative and control connection with at least the mixer 23, the stowage means 16 and the first feeding means. 21.

Again in accordance with the preferred embodiment, the control unit 75 comprises the first control unit 9 and the second control unit (s) 14 which, at least in the operating configuration, are in operative connection with each other, being able to interface in a way known per se through one or more cables or radio links.

Consequently, the control unit 75 is in operative and control connection with everything that is operatively connected to the first control unit 9 and to the second control unit (s) 14, or also with: the means of transport 51 , the first lifting means 8, the second lifting means 13, the first handling means 46, the second handling means 52, the second feeding means 29, the third feeding means 32 and the closing means 40.

In the preferred embodiment, the control unit 75 can therefore be in operational and control connection with components that are part of both the operating group 2 and the storage group / s 3.

Obviously other functionally equivalent embodiments fall within the scope described. In accordance with the preferred embodiment then, the control unit 75 is programmed to determine the operation of what is in operational connection with it. Furthermore, it is connected to a control panel 76 which can be integrated in the first control panel 10 (or in the second).

The user can therefore command and control the operation of the entire equipment 1 through the control panel 76, and can also command the operation of the control unit 75 also by selecting pre-programmed functions in the same.

The control unit 75 therefore allows you to coordinate the operation of what is in operational connection with it.

For example, it allows to determine the productivity of the equipment 1 by acting on the mixer 23 (and therefore on the rotation speed of the shaft) and on the feeding speed of aggregates, cement and water by the feeding means.

In fact, in the continuous production of concrete it is important that the proportions between water, aggregates, cement and any additives remain constant over time.

By then acting on the mixer 23 to adjust the rotation speed of the shaft, on the feeding means to control, for example, the speed of the feeding belt 24, the flow of water delivered, the speed of extraction of the augers 33, and on the base also of the information coming from the stowage means 16 (for example the weight of the aggregates supplied by the load cells), the control unit 75 is able to determine the proportions of water, cement and aggregates desired as well as to determine the achievement and maintenance of the desired productivity continuously.

Advantageously, the user will be able to control the control unit 75, and consequently the equipment 1, by acting on the control panel 76.

Also in the control unit 75 are advantageously implemented pre-programmed functions that can be selected by the user.

For example, the user can simply select the desired productivity and the control unit 75 will consequently manage the components connected to it automatically.

The present invention achieves important advantages.

Since the installation operations consist of simple reciprocal positioning maneuvers of the operating group and of the storage group (s), coordinated with movements of the mixer, of the first and second lifting means, the apparatus object of the present invention allows to considerably simplify installation compared to known equipment.

Furthermore, the fact that there are no components to be assembled or disassembled allows a reduction in installation times and consequently in costs.

For the same reasons, the equipment does not require any type of skilled labor and, except for the reciprocal positioning maneuvers of the operating unit and the storage units present, the installation process can be fully assisted.

In addition, the equipment is easily transportable as it can be easily moved from one site to another by means of two or more vehicles.

Furthermore, thanks to the presence of the continuous mixer and the control unit, the equipment object of the present invention allows to produce concrete continuously.

In addition, the use of closing means, facilitating the switching of the doors that close the inspection windows of the mixer, facilitates the process of inspection and cleaning of the mixer itself, minimizing the effort of opening and closing the doors by the assigned workers.

Finally, it should be noted that the present invention is relatively easy to produce and that the cost associated with its implementation is also not very high.

The invention thus conceived is susceptible of numerous modifications and variations, all falling within the scope of the inventive concept that characterizes it.

All the details can be replaced by other technically equivalent ones and the materials used, as well as the shapes and dimensions of the various components, may be any according to requirements.

Claims (16)

Claims 1. Transportable equipment (1) for concrete mixing comprising: a) at least a first operating unit (2) transportable by means of a first vehicle (4) and in turn comprising al) a first frame (6), a2) a mixer (23) mounted on the first frame (6) for in use mixing aggregates with water and cement and producing concrete, said mixer (23) being equipped with at least one loading mouth (35) for the materials to be mixed and a discharge mouth (36) for the concrete produced during operation, b) at least a second storage unit (3) transportable independently from the operating unit (2) by means of a second vehicle (5) and in turn comprising b1) a second frame (12), b2) stowage means (16) for the aggregates mounted on the second frame (12) and comprising at least one inlet (17) and at least one outlet (18) of aggregates for use to allow the loading and unloading of the aggregates, b3) first feeding means (21) of aggregates to the mixer (23) mounted on the second frame (12) and positioned at the outlet (18) to 20 receive the aggregates from the stowage means (16) and in turn defining a first discharge area (22) of aggregates, said apparatus (1) being able to assume an operating configuration in correspondence with which said first operating group (2) and said second storage group (3) are arranged with the first unloading area (22) in correspondence with the loading mouth (35) of the mixer (23) to feed the aggregates to the mixer (23). 2. Apparatus (1) according to claim 1, characterized in that the mixer (23) is a mixer (23) of the continuous type. Apparatus (1) according to any one of the claims above, characterized by the fact that the first operating group (2) further comprises means for transporting the concrete (51) associated with the first frame (6) in correspondence with said discharge mouth (36) and defining a second discharge area (50) , for use, collect the concrete at the discharge mouth (36) and transport it to said second discharge area (50). 4. Apparatus (1) according to claim 3, characterized in that the transport means (51) comprise a conveyor belt (54). 5. Apparatus (1) according to any one of the preceding claims, characterized in that the first operating unit (2) comprises first lifting means (8) mounted on the first frame (6) to allow, during operation, to vary the height and / or inclination of the first frame (6) with respect to the ground (7). 6. Apparatus (1) according to any one of the preceding claims, characterized in that the second group comprises second lifting means (13) mounted on the second frame (12) to allow, during operation, to vary the height and / or inclination of the second frame (12) with respect to the ground (7). 7. Apparatus (1) according to any one of the preceding claims, characterized in that the mixer (23) is movable with respect to the first frame (6) between a first position in correspondence with which the loading mouth (35) of the mixer (23 ) is in correspondence with an inlet area (44), and a second position in correspondence with which the loading mouth (35) of the mixer (23) is spaced with respect to when it is in the first position, and by also comprising first means for moving (46) the mixer (23) between said positions. 8. Apparatus (1) according to claims 5 and 7, characterized in that in said operating configuration the first frame (6) is in a lowered configuration and the mixer (23) is in its first position and by the fact that it can assume a installation configuration in which the first frame (6) is in the lowered configuration and the mixer (23) is in the second position for in use allowing the positioning of the second storage group (3) with the first unloading area (22) positioned in correspondence of the entrance area (44). 9. Apparatus (1) according to claim 3 and any of the preceding claims, characterized in that the transport means (51) are movable between a retracted position and an extracted position in which they protrude with respect to the rest of the operating unit (2) more when they are in the retracted position, and from the fact that the operating unit (2) further comprises second movement means (52) associated between the first frame (6) and the transport means (51) for in use to determine the movement of the means transport (51) between said positions. 10. Apparatus (1) according to claim 9, characterized by the fact that the transport means (51) when in the extracted position can assume an angular orientation in the space different from that assumed when they are in the retracted position, and by the fact that the second handling means (52) also comprise means (53) for varying the angular orientation to allow in use to vary the angular orientation of the transport means (51). 11. Apparatus (1) according to claims 7 and 10, characterized in that the transport means (51) can assume said angular orientation in the space different from that assumed when they are in the retracted position only when the mixer (23) is in its own first position. Apparatus (1) according to any one of the preceding claims, characterized in that the second storage unit (3) further comprises at least one water tank and second means (29) for feeding water from the tank to the first zone exhaust (22). 13. Apparatus (1) according to any one of the preceding claims, characterized in that the second storage unit (3) further comprises at least one store (31) for the cement and third means for feeding cement (32) from the store (31 ) to the first unloading area (22). 14. Apparatus (1) according to any one of the preceding claims, characterized in that it comprises a plurality of second storage groups (3) and in that in said operating configuration each of them has its own first unloading area (22) in correspondence with the loading mouth (35) of the mixer (23). 15. Apparatus (1) according to claim 2 and any of the preceding claims, characterized in that the mixer (23) is equipped with a casing (37) of tubular shape and elongated between the loading mouth (35) and the loading mouth discharge (36), said fairing (37) comprising at least one inspection window (38) and at least one closing element (39) movable between an opening position in which it allows access to the inspection window (38) and a position in which it closes said inspection window (38), and in that the mixer (23) comprises closing means (40) for in use to switch the closing element (39) movable between the closed position and the open position . 16. Apparatus (1) according to any one of the preceding claims, characterized in that it comprises at least one control unit (75) which in the operative configuration is in operative and control connection with the mixer (23), the stowage means ( 16), the first feeding means (21) and with the transport means (51) when it depends on claim (3), the first lifting means (8) when it depends on claim (5), the second lifting means ( 13) when it depends on claim (6), the first handling means (46) when it depends on claim (7), the second handling means (52) when it depends on claim (9), the second feeding means (29) when it depends on claim (12), the third feeding means (32) when it depends on claim (13), the closing means (40) when it depends on claim (15), said control unit (75) being programmed to determine the operation of what is in operative connection therewith, and by the fact of comprising at least one control panel (76) connected to the control unit (75) to allow, during operation, the control of the control unit (75) and of the equipment (1) by the user also based on pre-programmed functions in the control unit (75) itself.