[0001] The present invention relates to a plant for production of a construction material.
[0002] The present invention finds widespread use in construction, for the production of
a generic construction material, particularly concrete.
[0003] Plants for the production of construction material, such as for example concrete,
to which reference will be made herein below, without any loss of generality, require
extensive spatial areas, given the considerable amount of space required by the various
structural elements.
[0004] In particular, large silos and containment hoppers are necessary for storing each
inert material (sand, gravel, and water) or the various additives required for the
production of concrete.
[0005] Generally, a screw pipe departs from the bottom of each silo and conveys a determined
amount of the inert material contained therein toward a mixing tower located at a
certain distance and at a certain height. The containment hoppers instead release
determined amounts of the stored material onto a conveyor belt, which then pours it
all inside the mixing tower.
[0006] The mixing tower is generally a very large unit, in a fixed position interposed between
the silos and the containment tanks, inside of which a body capable of mixing the
material poured into the tower is moving.
[0007] At the bottom of the mixing tower there is a funnel-shaped unloading mouth, through
which the finished construction material is loaded inside concrete mixers so as to
be transported to the work-sites.
[0008] Stationary plants generally supply construction material to work-sites located in
the vicinity or to those work-sites that do not require excessive amounts of concrete.
[0009] In the cases in which the construction sites are located in remote locations with
respect to stationary plants, or the works under construction require significant
amounts of construction material, therefore such as to require a continuous flow of
construction material and thus making transport with concrete mixers not very practical
or economical, the realisation of mobile plants for the production of the construction
material directly on the premises of the work-site is preferred.
[0010] These mobile plants reproduce stationary plants, on a reduced scale.
[0011] Therefore, a first disadvantage related to these mobile plants, and observable, however,
also in stationary plants, consists in the considerable space required at the work-site,
where an extensive area to devote exclusively to that aim is not always available.
[0012] Moreover, the connections between the storage silos and the mixing tower or between
the mixing tower and the containment hoppers, involve a large number of moving members
with resulting higher production costs for maintenance and repairs, in addition to
reduced levels of safety at the work-site.
[0013] Current mobile plants for production of concrete are characterised by low hourly
production and as a result, by a limited capacity for storage of inert material.
[0014] Lastly, the considerable dimensions of mobile plants involve a high demand for electrical
power and thus a high consumption thereof.
EP-A-1775091 discloses a plant for production of construction material according to the preamble
of claim 1.
NL-A-7006304 discloses another plant for production of construction material. In this context,
the technical task on which the present invention is based, is to propose a plant
for production of a construction material, said plant being able to overcome the drawbacks
of the prior art cited hereinabove.
[0015] An aim of the present invention is to propose a new plant for production of a construction
material, capable of producing concrete of certified quality in amounts sufficient
to satisfy any operative need of a work-site, without the need to have recourse to
external suppliers when a large quantity of construction material is required so as
to have continuous jets.
[0016] A further aim of the present invention is to realise a plant for production of a
construction material, said plant requiring reduced space and being compact and simple
in structure, so as to avoid excessive moving parts, increase safety on the job and
reduce the costs of maintenance and repairs.
[0017] Furthermore, the present invention proposes to realise a plant for production of
a construction material, making it possible to increase hourly production and the
capacity for storage of the inert materials, while concomitantly decreasing the demand
for electrical power.
[0018] Lastly, the present invention proposes to realise a plant for production of a construction
material, producing an excellent construction material, complying with the proper
doses and the correct mixing sequences.
[0019] The defined technical task and the specified aims are substantially achieved by a
plant for production of a construction material, comprising the technical characteristics
stated in one or more of the appended claims.
[0020] Further characteristics and advantages of the present invention will become more
apparent from the approximate, and hence non-limiting, description of a preferred,
but not exclusive embodiment of a plant for production of a construction material,
as illustrated in the accompanying drawings, wherein:
- Figure 1 is a schematic front view of a plant for production of a construction material,
the subject matter of the present invention, wherein two vehicles present at a work-site
and interacting with the plant itself, are visible;
- Figure 2 shows the plant, the subject matter of the present invention, in a second
embodiment;
- Figure 3 shows a detail of the plant appearing in Figure 2;
- Figure 4 shows an example of the plant, the subject matter of the present invention,
in the transport mode.
[0021] With particular reference to the figures appended herein, a plant for production
of a construction material according to the present invention has been generically
indicated by 1.
[0022] The plant, which is the subject matter of the present invention, can be utilised
as a mobile plant, and is thus assemblable, when required, at a work-site, and as
a stationary production plant, realised in suitable dimensions.
[0023] Generically the plant 1, which is the subject matter of the present invention, is
designed for the production of any construction material, preferably concrete.
[0024] In the following, for the sake of simplicity, reference will be made only to concrete
as the construction material, however, without this intending any loss of generality
and without intending to limit the use of the plant solely to the production of concrete.
[0025] A first example of the plant 1 that is the subject matter of the present invention
is shown in Figure 1. The plant comprises at least two hoppers 2, each containing
a respective component element 3 of the construction material.
[0026] The elements forming the concrete are sand and gravel, differing in particle size,
water and additives.
[0027] Advantageously, the plant comprises more than one hopper 2, each containing a respective
solid component 3, and at least one tank 4 for containing and batching a respective
liquid component, such as water and/or various additives.
[0028] Advantageously, the hoppers 2 are arranged close together, preferably in an aligned
position. However, any other compact conformation is possible, such as, for example,
an arrangement in a circle or, depending on the number of hoppers, arranged at the
vertexes of a polygon, possibly as close to each other as possible.
[0029] The tank 4 is also arranged next to at least one hopper 2, so as to maintain a compact
arrangement of the structure.
[0030] The plant 1 further comprises a mixing tank 5, inside of which the various component
elements 3 are mixed together so as to form the concrete.
[0031] Advantageously, inside the mixing tank 5 there is provided a specific mixing member
25 (unillustrated) that stirs and blends the individual component elements inserted
in the mixing tank 5.
[0032] The mixing tank 5 has an upper loading opening 5' and a lower unloading base 5".
Advantageously, the lower unloading base 5" is generally closed and opens only at
the end of a cycle of mixing, loading and working, that is, when the construction
material is ready for use and the mixing tank 5 needs to be emptied, in a manner that
will be explained below.
[0033] The mixing tank 5 is located immediately below the hoppers 2 and it is movable from
one hopper 2 to the other so as to receive from each of them a determined amount of
the relative component element 3 stored therein.
[0034] The mixing tank 5 is movable along a slide guide 8, which is set in motion by a specific
moving means 9, such as, for example, an electric motor or a rack system, and it can
move on tracks or on tyres.
[0035] The movement of the mixing tank 5 is translatory and defines a pathway 6 that is
preferably a rectilinear, outward and return pathway.
[0036] Depending upon the arrangement of the hoppers 2, besides being rectilinear, the pathway
may also be circular or polygonal. Preferably, the mixing tank 5 follows the pathway
6 outward and back, that is, taking on the same positions at least twice in each loading
and working cycle. As an alternative, if for example the pathway is looped, the mixing
tank may follow the pathway just once, along the entire loop.
[0037] In any case, the mixing tank 5, preferably, begins and ends the pathway 6 at a sole
position 7.
[0038] While the mixing tank 5 advances along the pathway 6, it completes an entire cycle
of loading and working of the component elements 3 and performs the mixing necessary
to obtain the final product, that is, the concrete.
[0039] Each hopper 2 comprises a loading mouth 10, located superiorly, and at least one
unloading mouth located inferiorly. In the preferred embodiment illustrated in Figures
1 and 2, there are provided at least a first 11 and a second 12 unloading mouth, both
located in the lower part of the hopper 2, and aligned in sequence along the pathway
6 of the mixing tank 5.
[0040] Advantageously, the batching opening of the first 11 and the second 12 unloading
mouths of each hopper 2 is positioned perpendicularly with respect to the path followed
by the mixing tank 5.
[0041] The two unloading mouths 11 and 12 differ in dimensions, in such a manner that different
quantities of the same inert component 3 can be batched.
[0042] The larger unloading mouth, which is identifiable for example as the first mouth
11, is dedicated to delivery of large quantities of the inert component element 3,
and thus for fast filling of the mixing tank 5.
[0043] The smaller unloading mouth, which is instead identifiable for example as the second
mouth 12, is dedicated to delivery of small quantities of the inert component element
3, and thus for precision batching and control of the correct quantity supplied and
the desired weight of the material.
[0044] Suitable weighing and batching means 13 contributes to the correct determination
of the quantity of each component element 3 weighed and poured into the mixing tank
5. Said means is preferably located at the loading opening 5' of the mixing tank 5
or, alternatively, at each one of the unloading mouths 11 and 12 of each hopper 2.
[0045] The weighing and batching means 13 comprises loading cells for weighing and batching
a preset quantity of a component element 3.
[0046] In this manner, only the correct quantity of the inert component element required
for the production of the concrete is batched, weighed and drawn, as set by means
of a control unit (unillustrated), which manages the entire operation of the plant
1.
[0047] Upon the passage of the mixing tank 5 beneath the various hoppers 2, specific sensors
(unillustrated) determine the opening of the unloading mouths 11 or 12, and delivery
of the batched quantity of the corresponding element 3 to be delivered.
[0048] These sensors cooperate with the cited control unit.
[0049] The component elements 3 forming the concrete are introduced into the mixing tank
following the best sequence of introduction, so as to obtain a correct mix of the
ingredients.
[0050] The mixing process is also facilitates by the movement of the tank 5. In fact, along
the pathway 6, the tank 5 undergoes stages of braking and acceleration, and the longitudinal
inertial force created during these stages is a further improvement of the mixing
process, above all during the return run.
[0051] When the mixing tank 5 reaches the position 7 again, thus at the end-run position
along the pathway 6, and particularly at the end-run of the return tract, the construction
material is ready to be extracted from the mixing tank 5 and utilised.
[0052] At this position 7, the plant comprises transfer means 14 for transferring the construction
material from the mixing tank 5 to a generic transport device 17, such as to a concrete
mixer (illustrated in Figure 1) or to a conveyor belt, or even to special conduits
that directly bring the concrete directly to where it is needed.
[0053] Such transfer means 14 comprises a container 15, mobile between a loading position
and an unloading position, and a lift 16 for moving the container 15.
[0054] Advantageously, the loading position of the container 15 is situated below the mixing
tank 5, whereas the unloading position of the container 15 is located above the transport
device 17. In Figure 1, one sees, for example, the funnel-shaped container 15 pouring
the content inside the concrete mixer.
[0055] When the mixing tank 5 has completed the cycle of loading and working, it returns
to the initial position 7, where it stops so as to permit the emptying thereof and
the concurrent filling of the container 15.
[0056] The unloading base 5" of the mixing tank 5 opens, for example with a guillotine opening,
and all the construction material produced in that cycle is poured into the container
15.
[0057] Once this exchange has been made, the base closes again and the tank 5 is ready for
a new cycle of loading and working.
[0058] While the mixing tank 5 performs a new cycle of loading and working, the container
15 is set in motion by the lift 16 and brought into the unloading position, above
the transport device 17.
[0059] In Figure 1, the movement carried out by the container 15 is indicated by the dashed
line. Initially, the container 15 translates toward the outside of the plant, drawing
itself out from under the mixing tank 5, and it is then raised along the lift 16,
to a height, in an external position with respect to the plant, so as to enable it
to near the concrete mixer by running backwards, the latter being waiting to be filled.
[0060] Once the container 15 has poured the entire load into the transport device 15, it
repositions itself below the mixing tank 5, which in the meantime has performed another
cycle of loading and working and has returned to the initial position 7.
[0061] With the transfer means 14 described above, numerous cumbersome structural components
are eliminated, such as conveyor belts or screw pipes, components that required continuous
and burdensome maintenance and repair work.
[0062] As illustrated in Figures 2 and 3, the hoppers 2 are filled by means of a scraper
18, which climbs an embankment 19 up to the height of the loading mouth 10 of the
hopper 2, to pour the load directly into the hopper 2.
[0063] Alternatively, as illustrated in Figure 1, the plant 1 comprises an automatic system
for filling 20 the hoppers 2.
[0064] This filling system 20 comprises a bridge structure 21 overlying the hoppers 2, and
at least one loading bucket 22 is mobile along the bridge structure 21.
[0065] The bucket 22 travels along the bridge structure 21 from a lowered position 22' at
ground level, in which it is filled with a determined quantity of a component element,
for example by means of a scraper 18, to a raised position 22", located above the
hoppers 2, into which the loading bucket 22 pours its content into the relative hopper
2.
[0066] The bridge structure 21 comprises a hoist 23, which moves the loading bucket 22.
[0067] A lever and fulcrum mechanism 24 cooperates with the hoist 23 so as to realise the
unloading of the material transported by the loading bucket 22 internally of the relative
hopper 2, as illustrated in Figure 1.
[0068] Advantageously, the plant described can be easily disassembled and transported to
a work-site. An example of how the plant described is easily transportable is shown
in Figure 4.
[0069] The lower part of the plant 1, particularly the unloading mouths 11 and 12 of the
hoppers 2, the tank 4, the transfer means 14 and the mixing tank 5 rest on a base
25, which is nothing other than a truck trailer 26.
[0070] When realised in suitable dimensions, the plant described can, however, also be installed
as a stationary installation.
[0071] The invention thus achieves its set aims.
[0072] The plant described proves to be simple and compact in structure and has limited
dimensions. The moving parts are limited in number and are all confined to areas with
limited access to workers, thereby increasing safety levels at the work-site.
[0073] This plant makes it possible to produce a considerable amount of construction material
directly at the work-site, and above all, with a continuous flow, avoiding interruptions
or supplies from eternal suppliers resulting in increases in production costs.
[0074] The mixing tank is of limited dimensions and thus has a limited capacity, but, at
the same time, it requires less power and is more agile, with lower consumption levels,
as it is able to optimize the loading and working cycles and to operate non-stop.
[0075] The mixing of the elements proves to be better, more effective, owing also to the
movement of the mixing tank itself.
[0076] The weighing and batching system makes it possible to achieve high precision in the
proportions of the inert elements introduced and thus produce high-quality construction
material.
[0077] The plant described makes it possible to increase hourly production of the construction
material, while concomitantly reducing energy consumption and the space required at
the work-site.
1. A plant for production of a construction material comprising at least two hoppers
(2), each containing a respective component element (3) of said construction material,
a mixing tank (5) internally of which the component elements (3) are mixed with one
another so as to form the construction material, said mixing tank (5) being mobile
below said hoppers (2) from one hopper (2) to the other so as to receive, from each
hopper (2), a determined quantity of the relative component element (3) stored therein;
wherein said plant comprises means for weighing and batching (13) the component element
(3); characterised in that
said weighing and batching means (13) are
located in the mixing tank (5).
2. The plant according to claim 1, characterised in that said mixing tank (5) translates along a pathway (6) extending below said hoppers
(2).
3. The plant according to one of the preceding claims, characterised in that each hopper (2) comprises a loading mouth (10), located superiorly, and at least
a first (11) and a second (12) unloading mouth, located inferiorly.
4. The plant according to claim 3, characterised in that said first (11) and said second (12) unloading mouth have different dimensions, so
as to batch different quantities of a same component element (3) contained in the
respective hopper (2).
5. The plant according to one of claims 3 to 4,
characterised in that said
first (11) and said second (12) unloading mouth are arranged sequentially along the
pathway (6) of the mixing tank (5).
6. The plant according to one of the preceding claims, characterised in that it comprises transfer means (14) for transferring the construction material from
said mixing tank (5) to a transport device (17) for transferring said construction
material.
7. The plant according to claim 6, characterised in that it comprises an initial position (7) from which said mixing tank (5) departs in order
to translate along said pathway (6), along an outward run (P') and a return run (P"),
during which it performs a cycle of loading and working of the component elements
(3) contained therein, and to which position (7) said tank (5) returns, once it has
reached an end-run of the return run (P"), so as to deliver the construction material
inside said transfer means (14).
8. The plant according to claim 7, characterised in that said mixing tank (5) comprises an upper loading opening (5') and a lower unloading
base (5") that can be opened at the position (7) so as to deliver the construction
material inside said transfer means (14).
9. The plant according to one of claims 6 to 8, characterised in that said transfer means (14) for transferring the construction material comprises a container
(15), which is mobile between a loading position and an unloading position of the
construction material, and a lift (16) for moving said container (15).
10. The plant according to claim 9, characterised in that said loading position of said container (15) is situated below said mixing tank (5),
and in that said unloading position of said container (15) is located above a transport device
(17).
11. The plant according to one of the preceding claims, characterised in that it comprises a filling system (20) for filling said hoppers (2), said system (20)
comprising a bridge structure (21) overlying said hoppers (2) and at least one loading
bucket (22); said loading bucket (22) being mobile between a lowered position (22'),
in which it is filled with a determined quantity of a component element (3), and a
raised position (22") located above said hoppers (2), wherefrom said loading bucket
(22) pours its content inside the relative hopper (2).
12. The plant according to claim 11, characterised in that it comprises a hoist (23), which moves said loading bucket (22).
13. The plant according to claim 12, characterised in that it comprises a lever and fulcrum mechanism (24), which cooperates with said hoist
(23) so as to realise the unloading of the loading bucket (22) inside the relative
hopper (2).
14. The plant according to one of the preceding claims, characterised in that it comprises at least one tank (4) for batching liquid additives inside the mixing
tank (5).
15. The plant according to one of the preceding claims, characterised in that it is mobile, transportable and mountable at a work-site according to needs.
1. Anlage zur Herstellung von Baumaterial, umfassend mindestens zwei Trichter (2), von
denen ein jeder ein jeweiliges Komponentenelement (3) des Baumaterials, einen Mischtank
(5), in dem die Komponentenelemente (3) miteinander vermischt werden, sodass das Baumaterial
geformt wird, wobei der Mischtank (5) unter den Trichtern (2) von einem Trichter (2)
zum anderen beweglich ist, um von jedem Trichter (2) eine vorgegebene Menge des entsprechenden,
darin gespeicherten Komponentenelements (3) zu empfangen, wobei die Anlage Mittel
zum Wiegen und Dosieren (13) des Komponentenelements (3) umfasst, dadurch gekennzeichnet, dass die Wiege- und Dosiermittel (13) im Mischtank (5) untergebracht sind.
2. Anlage nach Anspruch 1, dadurch gekennzeichnet, dass der Mischtank (5) entlang einer Bahn (6) verfährt, die sich unter den Trichtern (2)
erstreckt.
3. Anlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein jeder Trichter (2) eine Ladeöffnung (10) umfasst, die oberseitig angeordnet ist,
und mindestens eine erste (11) und eine zweite (12) Entladeöffnung, unterseitig angeordnet.
4. Anlage nach Anspruch 3, dadurch gekennzeichnet, dass die erste (11) und die zweite (12) Entladeöffnung unterschiedliche Abmessungen aufweisen
müssen, sodass unterschiedliche Mengen desselben, im jeweiligen Trichter (2) enthaltenen
Komponentenelements (3) dosiert werden.
5. Anlage nach einem der Ansprüche 3 bis 4, dadurch gekennzeichnet, dass die erste (11) und die zweite (12) Entladeöffnung nacheinander entlang der Bahn (6)
des Mischtanks (5) angeordnet sind.
6. Anlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie Transfermittel (14) umfasst, um das Baumaterial vom Mischtank (5) zu einer Transportvorrichtung
(17) zum Transferieren des Baumaterials zu transferieren.
7. Anlage nach Anspruch 6, dadurch gekennzeichnet, dass sie eine Anfangsposition (7) umfasst, von der der Mischtank (5) startet, um entlang
der Bahn (6) entlang eines Hinwegs (P') und eines Rückwegs (P") zu verfahren, wobei
er einen Lade- und Bearbeitungszyklus der Komponentenelemente (3), die darin enthalten
sind, durchführt, und wobei der Tank (5) an diese Position (7) zurückkehrt, nachdem
er einen Anschlag auf dem Rückweg (P") erreicht hat, sodass das Baumaterial in die
Transfermittel (14) geliefert wird.
8. Anlage nach Anspruch 7, dadurch gekennzeichnet, dass der Mischtank (5) einen obere Ladeausschnitt (5') und eine untere Entladebasis (5")
umfasst, die an der Position (7) geöffnet werden kann, sodass das Baumaterial in die
Transfermittel (14) geliefert wird.
9. Anlage nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass die Transfermittel (14) zum Transferieren des Baumaterials einen Behälter (15) aufweisen,
der zwischen einer Ladeposition und einer Entladeposition des Baumaterials beweglich
ist, und einen Lift (16) zum Bewegen des Behälters (15).
10. Anlage nach Anspruch 9, dadurch gekennzeichnet, dass die Ladeposition des Behälters (15) unter dem Mischtank (5) befindlich ist und dadurch,
dass die Entladeposition des Behälters (15) über einer Transportvorrichtung (17) befindlich
ist.
11. Anlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie ein Füllsystem (20) zum Füllen der Trichter (2) umfasst, wobei das System (20)
eine Brückenkonstruktion (21), die über den Trichtern (2) angeordnet ist, und mindestens
eine Ladeschaufel (22) umfasst, wobei die Ladeschaufel (22) zwischen einer abgesenkten
Position (22'), in der sie mit einer bestimmten Menge eines Komponentenelements (3)
gefüllt wird, und einer angehobenen Position (22"), angeordnet über den Trichtern
(2), beweglich ist, aus der die Ladeschaufel (22) ihren Inhalt in den entsprechenden
Trichter (2) schüttet.
12. Anlage nach Anspruch 11, dadurch gekennzeichnet, dass sie ein Hebewerk (23) umfasst, das die Ladeschaufel (22) bewegt.
13. Anlage nach Anspruch 12, dadurch gekennzeichnet, dass sie einen Hebel- und Drehpunktmechanismus (24) umfasst, der mit dem Hebewerk (23)
kooperiert, sodass das Entladen der Ladeschaufel (22) in den entsprechenden Trichter
(2) durchgeführt wird.
14. Anlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie mindestens einen Tank (4) umfasst, um flüssige Zusatzstoffe in den Mischtank
(5) zu dosieren.
15. Anlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie beweglich, transportierbar und je nach den Bedürfnissen an einer Baustelle montiert
werden kann.
1. Installation pour la production d'un matériau de construction comprenant au moins
deux trémies (2), chacune contenant un élément constitutif respectif (3) dudit matériau
de construction, un réservoir mélangeur (5) à l'intérieur duquel les éléments constitutifs
(3) sont mélangés les uns avec les autres de manière à former le matériau de construction,
ledit réservoir mélangeur (5) étant mobile en dessous desdites trémies (2) d'une trémie
(2) à l'autre de manière à recevoir, de chaque trémie (2), une quantité déterminée
de l'élément constitutif (3) correspondant stockée en dans celui-ci ; dans laquelle
ladite installation comprend des moyens destinés à peser et à doser (13) l'élément
constitutif (3) ; caractérisée en ce que lesdits moyens de pesage et de dosage (13) sont situés dans le réservoir mélangeur
(5).
2. Installation selon la revendication 1, caractérisée en ce que ledit réservoir mélangeur (5) se déplace en translation le long d'un parcours (6)
se prolongeant en dessous desdites trémies (2).
3. Installation selon l'une des revendications précédentes, caractérisée en ce que chaque trémie (2) comprend un orifice de chargement (10), située dans la partie supérieure,
et au moins un premier (11) et un second (12) orifice de déchargement, situés dans
la partie inférieure.
4. Installation selon la revendication 3, caractérisée en ce que lesdits premier (11) et second (12) orifices de déchargement ont des dimensions différentes,
de manière à doser différentes quantités d'un même élément constitutif (3) contenu
dans la trémie respective (2).
5. Installation selon l'une des revendications de 3 à 4, caractérisée en ce que lesdits premier (11) et second (12) orifices de déchargement sont disposés séquentiellement
le long du parcours (6) du réservoir mélangeur (5).
6. Installation selon l'une des revendications précédentes, caractérisée en ce qu'elle comprend des moyens de transfert (14) destinés à transférer le matériau de construction
dudit réservoir mélangeur (5) à un dispositif de transport (17) pour transférer ledit
matériau de construction.
7. Installation selon la revendication 6, caractérisée en ce qu'elle comprend une position initiale (7) de laquelle ledit réservoir mélangeur (5)
part afin de se déplacer en translation le long dudit parcours (6), le long d'une
voie extérieure (P') et d'une voie de retour (P"), lors duquel il effectue un cycle
de chargement et d'usinage des éléments constitutifs (3) contenus dans celui-ci, position
(7) à laquelle ledit réservoir (5) revient une fois qu'il est parvenu en fin de course
de la voie de retour (P"), de manière à introduire le matériau de construction à l'intérieur
desdits moyens de transfert (14).
8. Installations selon la revendication 7, caractérisée en ce que ledit réservoir mélangeur (5) comprend une ouverture de chargement supérieure (5')
et une base de déchargement inférieure (5") pouvant être ouverte à la position (7)
de manière à introduire le matériau de construction à l'intérieur desdits moyens de
transfert (14).
9. Installation selon l'une des revendications de 6 à 8, caractérisée en ce que lesdits moyens de transfert (14) destinés à transférer le matériau de construction
comprennent un récipient (15) étant mobile entre une position de chargement et une
position de déchargement du matériau de construction, et un levier (16) servant à
déplacer ledit récipient (15).
10. Installation selon la revendication 9, caractérisée en ce que ladite position de chargement dudit récipient (15) est située en dessous dudit réservoir
mélangeur (5), et en ce que ladite position de déchargement dudit récipient (15) est située au-dessus d'un dispositif
de transport (17).
11. Installation selon l'une des revendications précédentes, caractérisée en ce qu'elle comprend un système de remplissage (20) destiné à remplir lesdites trémies (2),
ledit système (20) comprenant une structure en pont (21) se superposant sur lesdites
trémies (2) et au moins un godet de chargeuse (22) ; ledit godet de chargeuse (22)
étant mobile entre une position abaissée (22'), dans laquelle il est rempli d'une
quantité déterminée d'un élément constitutif (3), et une position surélevée (22"),
située au-dessus desdites trémies (2), de laquelle ledit godet de chargeuse (22) verse
son contenu à l'intérieur de la trémie (2) correspondante.
12. Installation selon la revendication 11, caractérisée en ce qu'elle comprend un palan (23) déplaçant ledit godet de chargeuse (22).
13. Installation selon la revendication 12, caractérisée en ce qu'elle comprend un mécanisme à levier et à point fixe (24) coopérant avec ledit palan
(23) de manière à effectuer le déchargement du godet de chargeuse (22) à l'intérieur
de la trémie (2) correspondante.
14. Installation selon l'une des revendications précédentes, caractérisée en ce qu'elle comprend au moins un réservoir (4) pour doser des additifs liquides à l'intérieur
du réservoir mélangeur (5).
15. Installation selon l'une des revendications précédentes, caractérisée en ce qu'elle est mobile, transportable et pouvant être montée sur un chantier selon les besoins.