FR2838984A1 - Device allowing making of sealing mixture from two products comprises base with slide and lever rotating about axis perpendicular to sliding direction, two pumps with control rods connected to lever, and inlets and discharge outlets - Google Patents

Abstract

The device comprises a base (1) with a slide (2) defining sliding in a first direction (3). A lever (4) rotates about an axis (6) perpendicular to this direction. Two pumps (201,301) are each formed from a cylinder (202,302), a piston (203,303) and a control rod (205,305) connected to the piston and to the lever. The cylinder comprises product inlets (212,312) and discharge outlets (213,313) and means (40) for mounting the end (209,309) of each cylinder to engage the runner. Means (50) engage the end (207,307) of each control rod with the lever.

Description

alkaline washer (19).

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  DEVICE FOR MAKING A MIXTURE OF AT LEAST

  TWO PRODUCTS IN A GIVEN PROPORTION

  The present invention relates to devices making it possible to produce a mixture of at least two products in a given proportion, finding a particularly advantageous application in the field of clogging of concrete slabs, slabs or the like in works exhibiting leaks, such as, for example, tunnels, underground galleries, dams, or in areas to be stabilized, such as soils, etc., in particular by injecting suitable constituents into cracks, faults, etc.

present in these works.

  Clogging by injection often requires the production of components which mixtures of several products. This is the case with the clogging of concrete slabs or the like with products such as polyurethane foam, polyoxy epoxy resins, acrylate gels and colors.

cement.

  There are already devices for making mixtures of such

  products for applications such as those mentioned above.

  One of the last realizations currently commonly used is that which is described and illustrated in EP-A-0 726 375. This realization gives

  good results when the proportion of the mixture to be produced is always the same.

  On the other hand, with the advent of new, more efficient products, it is often necessary, depending on these products and their destination.

  for their application, modify their proportion to obtain the desired mixture.

  However, with the devices known to date, it is not easy to modify this proportion depending on the products and, in general, technicians prefer to use as many devices as mixtures to be produced, which undoubtedly increases the cost price. coimaging interventions by injection

  in applications like those mentioned above.

  The present invention therefore aims to achieve a device for making a mixture of at least two products in a given proportion to obtain sealing products by injection or the like, which obviates the disadvantages of similar devices of the prior art in allowing in particular to very easily produce such mixtures and to modify just as easily

the proportions of these mixtures.

  s. More precisely, the subject of the present invention is a device making it possible to produce a mixture of at least two first and second products in a given proportion, characterized in that it comprises: a base, slide means produced in said base to define sliding in a first direction, a lever, means for mounting said lever in rotation about an axis substantially perpendicular to said first direction, at least two pumps, each pump being formed by a cylinder, a piston slidably mounted in a sealed manner in said cylinder in a second direction and with a control rod of which a first end is integrally connected to said piston, the control rod emerging from a first end of the cylinder, the second end of the cylinder constitutes a sealed cap, said cylinder further comprising an inlet inlet and a product outlet outlet, means for mounting the second end of each cylinder in cooperation with the slide means, and means for mounting in cooperation the second end of each control rod with the lever so that the two second directions

  are parallel to each other and not confused with the first direction.

  Other features and advantages of the invention will become apparent during

  of the following description given opposite the accompanying drawing for illustrative purposes

  but in no way limiting, in which: The single figure represents the schematic diagram of an embodiment of the device according to the invention making it possible to obtain a mixture of at least two

  first and second products in a given proportion.

  The Applicant wishes to clarify that the figure represents an embodiment of the object and according to the invention, but that there may be other modes of

  realization that meet the definition of this invention.

  It further specifies that, when, according to the definition of the invention, the object of the invention comprises at least one "element having a given function, the mode

  of real isation described can com wear more than one of these elements.

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  He also specifies that, if the embodiment of the object according to the invention as illustrated comprises several elements of identical function and that if, in the

  description, it is not specific that the object according to this invention must

  necessarily include a specific number of these elements, the subject of the invention may be defined as comprising "at least one" of these elements. The present invention relates to a device for obtaining a mixture of at least two first and second products in a given proportion. This device comprises, with reference to the single figure, a base 1 which can for example be constituted by a spar or the like, or by the combination of two or more spars arranged and combined parallel to one another, and means slide 2 made in this base to define sliding in a first direction 3. These slide means 2 may for example be constituted by a line groove made in the spar, the cross section of this groove being the same over its entire length and having for example a "U", "T" shape or the like. The device also includes a lever 4, and means 5 for mounting this lever 4 in rotation about an axis 6 substantially perpendicular to the first direction 3. In the same way, the lever 4 can be unitary or composite, for example by one or more beams arranged and combined parallel to each other, The device also comprises at least two pumps 201, 301. Each pump is formed by a cylinder 202, 302, a piston 203, 303 mounted sliding fac , the cylinder is sealed in a second direction 204, 304, and a control rod 205, 305 of which a first end 206, 306 is integrally connected to the piston 203, 303, the control rod 205, 305 emerging from a first end 208, 308 of the cylinder, the second end 209, 309 of the cylinder constitute a sealed stopper, the cylinder 202, 302 further comprising an inlet inlet 212, 312 and a discharge outlet 213, 313 of product of any type, liquid and / or pulverulen t, which can be sucked in and discharged by

  pumps of the type as described above.

  Means 40 are also provided for mounting the second end 209, 309 of each cylinder 202, 302 in cooperation with the slide means 2, J

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  and means 50 for cooperatively mounting the second end 207, 307 of each control rod 205, 305 with the lever 4 so that the two second directions 204, 304 are parallel to each other and not confused with

the first direction 3.

  The means 40 for mounting the second end of each cylinder in cooperation with the 2 wind slide means, for example constituted by a pad integral with this end, these pads having a shape complementary to the cross section of the groove so that they can preferably slide so that the second directions 204, 304 are always parallel to each other

  and perpendicular to the first direction 3.

  As for the means 50 for mounting in cooperation the second end of each control rod check with the lever 4, they for example consist of at least one groove 27 made in the lever 4 and a lug 214, 314 secured to this end 207, 307 , the two pins 214, 314 being mounted in cooperation 1 with the groove 27 so that they are able to dive into this groove 27 and to traverse it over at least part of its length, and advantageously over

its entire length.

  According to a preferential embodiment, the device further comprises means 60 for controlling the rotation of the lever 4 around the axis 6 relative to 2G the base 1. These means wind for example, as illustrated in the figure, consisting of a cylinder 61 of the cylinder and rod type and the two ends 62, 63 of which are respectively connected to the base 1 and to the lever 4 at two points

  attachment 66, 67 not located on the axis 6 of rotation of the lever 4.

  It should be noted that the two ends 62, 63 of the wind vbrin rotatably mounted, by any means, respectively relative to the base 1 and to the lever 4 to allow rotation of the lever relative to the base 1 during the

  operation of the device as will be explained below.

  Advantageously, the two second directions 204, 304 wind chosen

  to be perpendicular to the first direction 3 defined before.

  For a purpose which will be explained below in the description of the

  operation of the device, wind also advantageously provided with locking-unlocking means 70 mounted in cooperation with the second end 209, 309 of each cylinder 202, 302 and the base 1. These means 70 represented schematically in the single figure, can be of any type, for example

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  constituted by a locking screw or the like, well known in itself and which it is therefore unnecessary to describe more fully here for the sole purpose of not

complicate this description.

  Fa, con advantageous, to facilitate the construction of this device and its operation, the means 5 for mounting the lever 4 in rotation relative to the base 1 about an axis 6 substantially perpendicular to the first direction 3, include a foot 20 secured to the base 1, advantageously at several points, the axis 6 around which the lever 4 is mounted in rotation being located at a determined non-zero distance from the slide means 2. As illustrated in the figure, several positions can be provided on the foot 20 for the axis of rotation 6 of the lever. In the illustrated embodiment, forecast wind four

possible positions for this axis 6.

  The length of the foot 20 is advantageously chosen by a value equal to half the sum of the maximum and minimum lengths of the pumps 201, 301 defined between the second ends of the cylinders and of the control rods when the pistons wind respectively ie further from the bottom 209 , 309 cylinders (maximum suction position of the products) and closest to the same

  bottom (maximum product discharge position).

  Similarly, it may be advantageous, for certain applications, for the slide means 2 to define a determined sliding length between two first and second lines 21, 22 parallel to each other and perpendicular to the first direction 3, the foot 20 then being integral of the base 1 at a point 23 located between these two lines 21, 22 and the lever 4 rotates at a point

  24 located between its two ends 25, 26, as illustrated in the single figure.

  Finally, the device can also include, depending on the description made

  above, at least two sources 215, 315 respectively of two products to be mixed according to the goals to be achieved, first means of conduits 217, 317 for connecting, advantageously via for example Ca non-return valves, the output 216, 316 from the two sources 215, 315 respectively to the inlet inlets 212, 312 of the two cylinders 202, 302, a mixer 31 has at least two inlets 32, 33, and second conduit means 218, 318 for connecting, advantageously via example of non-return valves Cr. the discharge outlets 213, 313 of the two cylinders respectively at the two inlets 32, 33

  of the mixer 31 which is able to deliver at its outlet 35 the desired mixture.

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  It is obvious that, according to a real advantage, the sections of the two cylinders 202, 302 of the two pumps 201, 301 are identical, although they may be different, but on condition that their values are known by

users of the device.

  The device according to the invention as described above and illustrated in the single figure operates and is used in the following way:

  By way of example, it is assumed, for the description of this operation,

  that it is necessary to make a mixture of two first and second products in a proportion equal to three volumes of the first product for two volumes of the second. We also assume the source 315 contains the first product and that the

source 215 contains the second.

  For this, the second end 307 of the control rod 305 is positioned at a distance D from the axis 6, this distance being located on the lever which is referenced over its entire length. The cylinder 302 is fixed to the base via the locking-unlocking means 70. Given the proportion of the mixture that one wishes to obtain, the pump 201 is moved so that the end 207 of the control rod 205 is positioned on the lever, via the groove 27 and the lug 214, at a distance from the axis 6 equal ad = 3, the second directions 204, 304 being

  parallel to each other and perpendicular to the first direction 3.

  The cylinder 61 is controlled, if necessary, so that the end 26 of the lever 4 approaches the base 1 by a dex.rorsum rotation around the axis 6 and that the pistons 303, 203 move towards the second ends 309 , 209 respectively of the cylinders 302, 202 until together reaching the bottom of these cylinders. From this initial position, the actuator 61 is controlled so as to move the end 26 away from the lever 4 of the base 1 by a senestrorsum rotation about the axis 6. In this movement, the pistons 303, 203 s' move away from the bottom of the two cylinders 302, 202 respectively, which entails the aspiration of the first product and the second, made possible by the direction of passage of the non-return valves Ca located on the first conduits 317, 217. The sections of the cylinders being in this case assumed to be equal, the quantity of product drawn into the two cylinders 302, 202 is respectively equal to three trots of

  volume for cylinder 302 and two volume units for cylinder 202.

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  When the piston 303 has reached for example the first end of the cylinder 302, the actuator 61 is stopped, then actuated to obtain a new dextrorsum rotation of the lever 4 so as to empty the two cylinders. Due to the direction of passage of the non-return valves Ca and Cr situated respectively in the first two conduits 317, 217 and the two second conduits 318, 218, the two products are forced back out of the two cylinders by the second conduits 318, 218 for feed the mixer 31 through its two inputs 32, 33. The mixer 31 then delivers at its outlet 35 a mixture of the two products in the proportion of three volumes for the first product emitted by the source 315 and two volumes

  for the second product issued by source 215.

  It is apparent that the adjustment of this device presents no difficulty in obtaining a mixture of two products in a desired proportion. It is obvious that the example described above has been given for illustration only and that other proportions can be obtained in displacement, cant simply the

pumps relative to each other.

  By way of illustration, the pump 201 has been shown in broken lines in the single figure in order to obtain, with the pump 301, the position of which has remained unchanged, a mixture in the proportion of three volumes of the first product for one volume of the second. This broken line representation can also

  illustrate a third pump to make a mixture of product trots.

  It is also possible to obtain a mixture in a proportion of one volume of the first product for one volume of the second. It suffices for this to position the two pumps 201, 301 one next to the other, either on two levers and two bases mounted in parallel as mentioned before, or else on a single lever 4 associated with a single base 1 if it is not necessary

  to obtain a mixture in a proportion of great precision.

  The example illustrated even comprises means for making mixtures by introducing the products to be mixed successively into the mixer 31, by sucking up a first product while pushing back a second product, and so on.

  using two pumps located on either side of the foot 20.

  11 is very clear that, in the rotation of the lever 4 relative to the base 1, the pins move slightly in translation in the groove 27 to compensate for this rotation. However, due to the length of the foot, this

  relative displacement of the pins 314, 214 is of very low amplitude.

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Claims (12)

  1. Device for producing a mixture of at least two first and second products in a given proportion, characterized in that it comprises: a base (1), slide means (2) produced in said base to define sliding in a first direction (3), a lever (4), means (5) for mounting said lever (4) in rotation about an axis (6) substantially perpendicular to said first direction (3), at least two pumps (201, 301), each pump being formed by a cylinder (202, 302), by a piston (203, 303) slidingly mounted in a sealed manner in said cylinder in a second direction (204, 304) , and a control rod (205, 305) of which a first end (206, 306) is integrally connected to said piston (203, 303), the control rod emerging from a first end (208, 308) of the cylinder , the second end (209, 309) of the re cylinder constitutes a sealed plug, led to the cylinder (202, 302) com additionally carrying an inlet for adm ission (212, 312) and a product discharge outlet (213, 313), means (40) for mounting the second end (209, 309) of check cylinder (202, 302) in cooperation with the slide means ( 2), and means (50) for cooperatively mounting the second end (207, 307) of each control rod (20S, 305) with the lever (4) so that the two second directions (204, 304) are parallel to each other and not   confused with the first direction (3).   2. Device according to claim 1, characterized in that it further comprises means (60) for controlling the rotation of the lever (4) around said axis (6) relative to the base (1).   3. Device according to claims 2, characterized in that the   means (60) for controlling the rotation of the wind lever constituted by a jack (61), the two ends (62, 63) of which are respectively connected to the base (1) 9 2838984   and to the lever (4) at two attachment points (66, 67) not located on the axis (6) of lever rotation (4).   4. Device according to one of claims 1 to 3, characterized in that   the two second directions t204, 304) wind perpendicular to the first direction (3).   5. Device according to one of claims 1 to 4, characterized in that it   further comprise locking-unlocking means (70) mounted in cooperation with the second ends (209, 309) of the cylinders (202, 302) and said base (1).   6. Device according to one of claims 1 to 5, characterized in that   the means (5) for mounting said lever (4) in rotation about an axis (6) substantially perpendicular to said first direction (3) comprise a foot (20) integral with the base (1), the lever (4 ) being rotatably mounted on said foot around said axis (6), said axis being located at a determined non-zero distance from slide means (2).   7. Device according to claim 6, characterized in that the slide means (2) define a determined slide length between two first and second lines (21, 22) parallel to each other and perpendicular to the first direction (3), said foot (20) being integral with the base (1) at a point   (23) located between these two straight cities (21, 22).   8. Device according to claim 7, characterized in that the lever (4) is rotatably mounted on said axis (6) at a point (24) located between its two ends (25, 26).   9. Device according to one of the preceding claims, characterized by the   means that the means (50) for cooperatively mounting the second end (207, 307) of each control rod (205, 305) with the lever (4) so that the two second directions (204, 304) are parallel between they and not confused with the first direction (3) wind constituted by at least one 2838984   groove (27) made in said lever (4) and a lug (214, 314) integral with this second end, the two lugs (214, 314) being mounted in cooperation with the groove (27) so that they plunge into this groove and soles apses to the   cover at least part of its length.   10. Device according to one of the preceding claims, characterized by   fact that it comprises two sources (215, 315) respectively of the two products, first conduit means (217, 317) for connecting the outlet (216, 316) of the two source cites (215, 315) respectively to the inputs of inlet (212, 312) of the two cylinders (202, 302), a mixer (31) has at least two inlets (32, 33), and second duct means (218, 318) for connecting the discharge outlets (213 , 313) of the two cylinders respectively at the two entrances (32, 33) to said mixer (31).   11. Device according to one of the preceding claims, characterized by the   causes the sections of the two cylinders (202, 302) to be identical.   12. Device according to one of the preceding claims 6 to 11,   characterized by the fact that the foot length (20) is equal to the half sum of the maximum and minimum lengths of the pumps (201, 301) defined between the second ends (209, 309) of the cylinders (202, 302) and the seconds ends (207, 307) of the control rods (205, 305) when the pistons wind respectively the farthest from the bottom of the cylinders and the closest to this same bottom.