Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
  • F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
  • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
  • E04F11/18—Balustrades; Handrails
  • E04F11/181—Balustrades
  • E04F11/1817—Connections therefor
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
  • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
  • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
  • F24F1/58—Separate protective covers for outdoor units, e.g. solar guards, snow shields or camouflage
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F2221/00—Details or features not otherwise provided for
  • F24F2221/16—Details or features not otherwise provided for mounted on the roof

Definitions

• the present invention relates to the general technical field of cooling units, and more particularly to cold units equipping industrial, residential, commercial buildings, etc.
• the present invention relates more precisely to a cooling assembly comprising a cold unit equipping a building, said cold unit comprising a cooling system and a frame enclosing said cooling system, said frame comprising a substantially horizontal outer upper surface forming a platform. shape on which an operator can stand to carry out a maintenance intervention on said cold unit.
• the present invention also relates to a method for securing a cold unit.
• the present invention also relates to a kit for securing interventions on a cold unit.
• cold units To equip buildings. These cold units generally supply the building or an industrial unit located within or annexed to the building with a cooled fluid, making it possible, for example, to establish an air conditioning circuit, to create a cold room, etc.
• These cold units come individually in the form of a solid fixed frame several meters long, wide and high, in the shape of a rectangular parallelepiped, enclosing a cooling unit.
• these cold units In fact, these cold units generally have mechanical elements to be maintained located at the level of the upper part of the frame. An operator thus intervenes regularly on the part unit by climbing the latter with a ladder, so as to stand on a platform of the upper part, in order for example to clean with a high pressure lance mechanical elements such as ventilation units.
• the operator often finds himself perched at a significant height, which is that of the cooling unit, which can go up to several meters above the ground, and for example included between 1, 5 and 4 meters. There is therefore a personal risk if the operator falls to the ground. There is also a risk for people likely to move around the cooling unit, at the foot of it, in the event of an accidental fall of maintenance equipment (screwdriver, etc.) used by the operator. The danger is particularly high in the event that the chiller is positioned on a building with a great height, the operator or his equipment could potentially fall several tens of meters, which also presents a considerable risk for people and operators. goods located below. In addition, even when the fallen equipment has remained intact and has not injured anyone, the operator must still retrieve it by descending via the ladder placed against the chiller, thereby increasing the risk of personal accident. , and thus losing precious time, thus extending the scheduled maintenance time.
• the objects assigned to the present invention therefore aim to remedy the various drawbacks listed above and to propose a new cooling assembly, the maintenance of which can be ensured in conditions of optimum comfort and safety.
• Another object of the invention is to provide a new cooling assembly the installation of which is both quick and easy to perform.
• Another object of the invention is to provide a new cooling assembly, the maintenance of which can be carried out in a short time.
• Another object of the invention is to provide a new cooling assembly which can be maintained with minimal risk of breakage or loss of maintenance equipment of different sizes.
• Another object of the invention aims to provide a new cooling assembly that is easy to install, without excessively complex or expensive modification of pre-existing structures, and using a limited number of elements.
• Another object of the invention aims to provide a new cooling assembly whose design allows it to be particularly resistant and durable, in particular vis-à-vis external conditions, such as a strong wind, rain or the snow.
• Another object of the invention aims to provide a new cooling assembly exhibiting significant reliability over time, and which requires only minimal maintenance.
• Another object of the invention aims to provide a new cooling assembly permanently guaranteeing optimal safety conditions with regard to interventions for its maintenance, while allowing a maintenance operator easy and secure access to his area. 'intervention.
• Another object of the invention is to provide a new cooling assembly making it possible to meet the most stringent safety standards as regards its maintenance.
• Another object of the invention aims to provide a new cooling assembly, the manufacture of which can be implemented easily and at controlled cost.
• Another object of the invention is to provide a new cooling assembly, the structure of which is simple and includes only a limited number of separate parts.
• Another object of the invention aims to propose a new method for securing a cold unit in a building, the method comprising only a limited number of simple, rapid and easy-to-implement steps making it possible to secure the interventions of an operator on the chiller, without weakening or damaging the latter, and this at controlled costs.
• Another object of the invention aims to provide a kit for securing interventions on a cold unit, the design of which makes it possible to guarantee a high level of safety for maintenance operators having to intervene on the cold unit and their equipment, while being fast , easy, and involving only a limited number of simple and easy to standardize elements.
• Another object of the invention is to provide a kit for securing interventions on a cold group, the design of which guarantees an operator easy and secure access to the intervention area of the cold group.
• a secure cooling assembly comprising a cold unit equipping a building, said cold unit comprising a cooling system and a frame enclosing said cooling system, said frame comprising an outer upper surface substantially horizontal forming a platform on which an operator can stand to carry out a maintenance intervention on said cold unit, the cooling assembly further comprising a guardrail extending around and / or along the periphery of said outer upper surface to prevent said operator from falling.
• the objects assigned to the present invention are also achieved using a method for securing a cold unit equipping a building, said cold unit comprising a cooling system as well as a frame containing said cooling system, said frame comprising a substantially horizontal outer upper surface forming a platform on which an operator can stand in order to carry out a maintenance intervention on said cold unit, the securing method comprising the permanent installation of a guardrail extending around and / or along the periphery of said outer upper surface to prevent said operator from falling.
• a kit for securing interventions on a cold unit equipping a building said cold unit comprising a cooling system and a frame enclosing said cooling system, said frame comprising a substantially horizontal outer upper surface forming a platform on which an operator can stand to carry out a maintenance intervention on said cold unit, the securing kit comprising a guardrail intended to extend around and / or along the periphery of said outer upper surface to prevent said operator from falling, said guardrail comprising at least:
• intermediate rail connecting said uprights together, said intermediate rail being located below said upper rail, said intermediate rail comprising at least one removable part which, when it is removed, leaving an access space under said upper rail allowing the operator to access said platform from the outside,
• FIG. 1 illustrates, in a perspective view, an example of a secure cooling assembly according to the invention, with a cold unit equipped with a securing kit according to the invention.
• Figure 2 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1.
• Figure 3 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1.
• Figure 4 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1.
• Figure 5 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1.
• Figure 6 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1.
• Figure 7 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1.
• FIG. 8 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1
• FIG. 9 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1
• Figure 10 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1
• Figure 11 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1
• Figure 12 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1
• Figure 13 illustrates, in a perspective view, a component of the secure cooling assembly of Figure 1
• Figure 14 illustrates, in a schematic top view, the detail of the assembly of part of the secure cooling assembly of Figure 1, including the elements of Figures 10, 12 and 13.
• Figure 15 illustrates, in a schematic top view, the secure cooling assembly of Figure 1.
• FIG. 16 illustrates, in a perspective side view, part of the secure cooling assembly of Figure 1 during assembly, and at least two uprights have already been mounted.
• FIG. 17 illustrates, in a perspective view, an alternative mounting of an upright of a cooling assembly according to the invention.
• FIG. 18 illustrates, in a perspective view, a mounting detail of an upright of the cooling assembly of Figure 1.
• FIG. 19 illustrates, in a perspective view from the platform of the cooling unit of Figure 1, a first step of mounting a removable part of the secure cooling assembly of Figure 1.
• - Figure 20 illustrates, in a perspective view from the same point of view as that of Figure 19, a second step of mounting the removable part of Figure 19.
• FIG. 21 illustrates, in a perspective view from the same point of view as that of Figure 19, a third step of mounting the removable part of Figure 20.
• FIG. 22 illustrates, in a perspective view from the same point of view as that of Figure 19, a fourth step of mounting the removable part of Figure 21.
• Figure 23 illustrates, in a perspective view, the removable part of the secure cooling assembly of Figure 1, taken alone.
• FIG. 24 illustrates, in a perspective view from a point of view on the platform, another step of mounting the removable part of Figures 19 to 22.
• FIG. 25 illustrates, in a perspective view from the platform of the cooling unit of Figure 1, the mounted removable part of Figures 1 and 23 after the assembly steps of Figures 19 to 22 and 24.
• Figure 26 illustrates, in a schematic side view, the secure cooling assembly of Figure 1.
• Figure 27 illustrates, in a schematic front view, the secure cooling assembly of Figure 1.
• Figure 28 illustrates, in a perspective front view, the secure cooling assembly of Figure 1, on which a ladder has been placed, with the removable part still in place.
• FIG. 29 illustrates, in a perspective view, the secure cooling assembly of Figure 1 against which a ladder has been placed, with the removable part removed and an operator entering or exiting the platform.
• the invention relates, according to a first aspect illustrated in the figures, to a secure cooling assembly 1 comprising a cold unit 2 fitted to a building.
• said cooling assembly 1 is preferably designed to equip a building, that is to say in particular a fixed structure of the real estate construction type, for example intended to form a dwelling, a commercial, industrial or office building, etc. .
• neither the cooling unit 1 nor the cold unit 2 is designed to equip a vehicle, although this possibility is not completely excluded, the building possibly being alternatively formed by a large vehicle having dimensions (and therefore constraints) comparable to those of a building, the large vehicle being for example a ship of a certain size equipped with said cold unit 2, the term "building” in this specific case to be understood as a synonym of "ship”, preferably large (liner type for example).
• Said cold unit 2 preferably has, as is known, the general shape of a rectangular parallelepiped, that is to say of a straight block, and in particular has relatively large external dimensions.
• said cold unit 2 has dimensions of between 1, 5 and 5 m in width, between 2.5 and 10 m in length, and between 1, 5 and 5 m in height.
• said cold unit 2 comprises a cooling system 3 as well as a frame 4 enclosing said cooling system 3.
• Said cooling system 3 comprises for example one or more thermodynamic machines, which can be designed for supply a cooled fluid to said building or to an industrial unit adjoining said building or located within the latter (the industrial unit possibly constituting the building as such), so as to provide, for example, an air conditioning circuit, a cold room, industrial or scientific type cooling (severe or even extreme cold for example, and / or massive, that is to say for a large volume), etc.
• Said cooling system 3 is advantageously operatively connected to said building.
• said frame 4 is fixed, and is not intended to be moved once installed.
• said chassis 4 has said shape of a rectangular parallelepiped, and forms at least the outer part of the cold unit 2, said chassis 4 making it possible both to protect the cooling system 3 and the maintenance of the latter, certain parts of said chassis 4 having in in particular, openings to the outside of the cold unit 2.
• said cold unit 2 preferably comprises orifices 8, for example ventilation orifices 8.
• said frame 4 comprises a substantially horizontal outer upper surface 5 forming a platform 6 on which an operator 7 can stand in order to carry out maintenance on said cold unit 2.
• Said outer upper surface 5 is thus preferably facing upwards, that is to say towards the sky when the cold unit 2 is located outside said building.
• said outer upper surface 5 is substantially horizontal, that is to say generally horizontal or alternatively having a slope, relatively slight, with respect to the horizontal, for example of +/- 10 °, said slope therefore being advantageously low enough so that the operator 7 can stand on said platform 6 without difficulty.
• Said outer upper surface 5 is advantageously at least partly flat, the flat part of said outer upper surface 5 forming in particular the platform 6 on which the operator 7 can stand, and move to carry out maintenance operations on said cold unit 2.
• the parallelepiped shape of said cold unit 2 and more precisely of said frame 4 preferably has, from an external point of view, four substantially vertical sides parallel two by two, and two substantially horizontal faces parallel to one another. 'other, one of said two faces being placed, for example on the ground or the roof of the building, and the other being turned upwards and comprising or forming said outer upper surface
• Said openings 8, and in particular said ventilation openings 8, are for example formed at said outer upper surface 5, and each delimited by a respective side wall of orifice 9 which may in particular be cylindrical as illustrated in FIG. 1.
• Said side wall of orifice 9 preferably rises substantially vertically.
• the operator 7 can for example intervene on the cold unit 2 by hoisting himself on said platform 6 to clean, with a high pressure lance via said ventilation openings 8, the mechanical elements of the cooling system 3, such as ventilation units located in these ventilation openings 8 and partly protected by said side wall of orifice 9, this being an illustrative and non-limiting example of a possible maintenance intervention of said chiller 2.
• the cooling assembly 1 further comprises a guardrail 10 extending around and / or along the periphery of said outer upper surface 5 to prevent said operator 7 from falling.
• said guardrail 10 advantageously allows said operator 7 and / or his equipment to be physically retained on the platform 6 by forming a barrier between said operator 7 and / or his equipment located on the platform. 6 on the one hand and the vacuum in the vicinity of the chiller 2 on the other hand.
• Said guardrail 10 is therefore, advantageously, a guardrail making it possible to delimit said platform 6 and to secure it, in order to produce said cooling assembly 1 according to the invention which is therefore secure.
• Said guardrail 10 in particular forms a balustrade rising from the contours of said outer upper surface 5 or close to these contours (that is to say the periphery), for example at less than 20 cm from these contours.
• the periphery, or the contour, of the outer upper surface 5, and more precisely of the platform 6, is preferably square or rectangular in shape.
• Said guardrail 10 is preferably permanently installed, that is to say that it is advantageously not designed to be completely assembled and dismantled at each use (to secure the operator 7), ie. that is to say each time said operator 7 carries out a maintenance intervention on said platform 6.
• Said guardrail 10 is therefore preferably intended to permanently equip said cold unit 2.
• the height of said guardrail 10 measured from said outer upper surface 5 is between 80 and 140 cm, preferably between 90 and 130 cm, more preferably between 100 and 120 cm, limits included.
• height of guardrail 10 is preferably meant the maximum height of the latter (and in particular the height of the upper rail 12 which will be described in more detail below).
• Said guardrail 10 is preferably at least partly made of isophthalic resin.
• Said isophthalic resin is therefore preferably a polymeric material, more preferably a polyester, produced at least in part, or even in whole or almost entirely, from acid isophthalic.
• said guardrail 10 is made at least in part from one or more polymers (other than those mentioned above), or even from one or more metals, such as steel and Aluminum.
• the invention also relates as such, according to a second aspect illustrated in the figures, a method of securing a cold unit 2 equipping a building.
• said secure cooling assembly 1 advantageously also applies to the securing method according to the invention, and conversely, the following description relating to the securing method preferably also applies.
• said secure cooling assembly 1 according to the invention comprises a cooling system 3 as well as a frame 4 enclosing said cooling system 3, said frame 4 comprising a substantially horizontal outer upper surface 5 forming a platform. 6 on which an operator 7 can stand to carry out a maintenance intervention on said cold unit 2.
• the securing method comprises the permanent installation of a guardrail 10 (preferably as mentioned above) extending around and / or along the periphery of said outer upper surface 5 for preventing said operator 7 from falling.
• the guardrail 10 is advantageously designed to permanently equip said cold unit 2 (and more precisely said frame 4), so as to secure the latter permanently. Indeed, generally, the operator 7 intervenes on a regular basis on the platform 6 to carry out the maintenance and maintenance of the cold unit 2, such maintenance interventions often even being planned well in advance. Thanks to the securing method of the invention, it is possible to definitively secure the platform 6 of the cold unit 2 in a simple, rapid and particularly efficient manner, by fulfilling the requirements of safety standards with regard to work at height. on the cold group platform 6 2.
• said guardrail 10 preferably comprises at least:
• the installation of said guardrail 10 advantageously comprises at least:
• said guardrail 10 generally has its own mechanical strength, that is to say that it is not flaccid, and even advantageously substantially rigid.
• said uprights 1 1 and said upper rail 12 preferably have their own mechanical strength, that is to say that they are not flanged, and even are more preferably substantially rigid.
• Said uprights 11 are advantageously profiles, for example with a square or rectangular section, and may have primary openings for the passage of fastening means such as screws of a screw / nut (or bolt) assembly, for example to attach said uprights 11 to said upper rail 12 and / or to said frame 4.
• Said upper rail 12 is preferably formed by a set of upper sections 15, which may have secondary openings for the passage of fastening means such as screws of a screw / nut assembly, for example for attaching said upper rail 12 to said uprights 1 1, at least some of said primary and secondary openings then being put in correspondence.
• said upper rail 12 (and more precisely each upper section 15) has an inverted U-shaped profile, said uprights 1 1 then each having a respective end 13 fitting into the hollow 14 of said inverted U-shaped profile, as illustrated in Figures 1, 12 and 14.
• Such an inverted U-shaped configuration ensures better ergonomics of the handrail formed by the upper rail 12, the latter allowing a better grip by said operator 7.
• Said securing method comprises according to this example a step of interlocking a respective end 13 of each of said uprights 1 1 in the hollow 14 of said inverted U-shaped profile.
• Said upper rail 12 may also comprise, as illustrated in FIGS. 1, 3 and 4 in particular, connection parts 16.
• said connection parts 16 are each in the shape of an elbow or of an L, each portion of the elbow or the L being optionally provided with said inverted U shape.
• Said connecting portion 16 is preferably intended to be positioned at the level of the corners of said upper rail 12 or to form the latter, above the corners of said frame 4, and more precisely above the corners of said outer upper surface 5 which are advantageously substantially at right angles.
• Each connection part 16 is advantageously designed to connect at least two of said upper sections 15 of said upper rail 12, said two upper sections 15 preferably being straight. According to another example, compatible with the previous one and illustrated in FIG.
• each connection part 16 is orientable and comprises two parts mounted to pivot 17, 18 from one another, each part mounted to pivot 17, 18 being designed to be connected to one of said upper sections 15.
• This latter configuration is particularly practical when the cold unit 2 has a shape more rarely used, the upper external surface 5 being for example triangular or octagonal, the upper rail 12 having to follow this shape to form said handrail, or when it is simply desired to facilitate the installation of said upper rail 12, which is easier to adjust since part of the fitting 16 then forms an elbow which can be modified (by pivoting said two pivotally mounted parts 17, 18).
• said frame 4 comprises substantially vertical side members 19 located below the periphery of said outer upper surface 5. More preferably still, said uprights 11 are pressed against said side members 19, as is particularly illustrated in Figures 1 and 15 to 18.
• Said side members 19 advantageously form part of the vertical sides of the shape of a rectangular parallelepiped of said frame 4.
• Said side members 19 are for example each in the form of a substantially vertical wall extending along all or almost all a respective side of said cold unit 2.
• Each upright 11 pressed against one of said side members 19 advantageously has a substantially planar face, which is intended to extend substantially vertically and which is pressed against said side member 19, directly (that is to say in contact) or indirectly (that is to say by means of a connecting piece between the spar 19 and said flat face).
• said uprights 1 1 are pressed against said side members 19, then attached to the latter using fastening means such as screws of a screw / nut assembly, for example via said primary holes.
• said side members 19 are provided with tertiary openings 20 allowing them to be connected to said uprights 1 1, the latter being provided with quaternary openings 21, at least some of said tertiary 20 and quaternary openings 21 being therefore placed in correspondence to effect this connection, for example using fastening means such as screws of a screw / nut assembly, as illustrated in detail in FIG. 14 in particular.
• said step of fixing the uprights 1 1 advantageously comprises a step of piercing said spars 19, so that the latter are provided with tertiary openings 20 allowing said spars 19 to be connected to said uprights 11, for example using means of fasteners such as screws from a screw / nut assembly.
• FIG. 14 illustrates in detail the plating of one of the uprights 11 against one of the side members 19 so as to put said tertiary 20 and quaternary 21 openings in correspondence for the passage through these screw holes of a screw / nut assembly.
• said uprights 1 1 are profiles, for example with a square or rectangular cross section, substantially hollow, said uprights 1 1 therefore each having a respective internal space 22.
• Said cooling assembly 1 advantageously comprises reinforcing plates 23, each reinforcing plate 23 being designed to be inserted into said internal space 22 so as to be at the level of the spar 19 to which the upright 1 1 is attached, as illustrated in figures 12 to 14.
• each reinforcing plate 23 is designed to improve the mechanical strength of said upright 1 1 at the level of said spar 19, said reinforcing plate 23 being in particular provided with at least one through orifice 24 allowing a through hole to pass through.
• said railing 10 comprises at least one intermediate rail 25 connecting said uprights 11 together, said intermediate rail 25 being located below said upper rail 12.
• said upper rail 12 acts as a handrail for guardrail 10, while said intermediate rail 25 extends at an altitude lower than that of upper rail 12 but higher than that of said platform 6, so as to reinforce the protection conferred by the guardrail 10 on said operator 7 and / or on the latter's equipment (screwdriver, high pressure cleaning lance, etc.).
• said intermediate rail 25, like said upper rail 12, preferably extends around and / or along the periphery of said outer upper surface 5 to prevent said operator 7 from falling.
• said intermediate rail 25 is preferably formed by a plurality of profiles, which for example have a substantially round and / or annular cross section, but which may also optionally be square, elliptical, or any suitable shape.
• the securing method therefore advantageously comprises at least one mounting step during which at least one intermediate rail 25 is installed so as to connect said uprights 11 to each other and so as to be located below said upper rail 12.
• intermediate rail 25 is preferably substantially horizontal.
• Said intermediate rail 25 may also comprise one or more of the following elements:
• Hollow connection elements 26 for example in the form of long hollow cylinders (and advantageously forming profiles), into which can be inserted in particular the straight connection elements 27, as illustrated in Figure 5, and / or
• each arm connector 28 each designed to form an elbow of the intermediate rail 25, each arm connection 28 having, according to one embodiment, two connected parts pivoting with respect to one another, as shown in FIG. 7, or being, according to another embodiment, formed in one piece, as in FIG. 8.
• Each arm connector 28 advantageously has insertion ends 29, which preferably each have a diameter substantially equal to that straight connecting elements 27, said insertion ends 29 being in particular intended to be inserted into said hollow connecting elements 26 to form said intermediate rail 25.
• This configuration gives the intermediate rail 25 great flexibility of use, and it allows particularly easy and rapid industrialization of this part of the guardrail 10.
• Each upright 1 1 advantageously has at least one intermediate orifice 30 designed to receive said intermediate rail 25 so as to be secured to the latter.
• said intermediate orifice 30 is designed to receive one of said straight 27 or hollow 26 connecting elements.
• Said intermediate orifice 30 may be through.
• Said upright 11 provided with such an intermediate through orifice 30 is for example intended to be traversed right through by a continuous portion of said intermediate rail 25, such a configuration giving said guardrail 10 excellent strength and in particular good securing between said upright and said intermediate rail 25.
• Said portion of intermediate rail 25 is then preferably blocked in horizontal translation, for example by securing together two ends of intermediate rail 25 facing one another.
• said uprights 1 1 and / or said main string 12 and / or intermediate 25 (and / or the plinth 41 described below) are mainly made (s) of isophthalic resin.
• This configuration allows said railing 10 to have great resistance to external conditions (wind, humidity, rain, snow, sun, etc.) and high durability, while requiring only minimal maintenance.
• said intermediate rail 25 comprises at least one removable part 31 which, when it is removed, provides an access space 32 under said upper rail 12 allowing the operator 7 to access said plate from the outside. -form 6.
• the layout of this access space 32 is illustrated in particular in Figure 29.
• Said removable part 31 is therefore preferably designed to be reversibly attached to the rest of said railing 10.
• said railing 10 is advantageously designed so that the removable part 31 can pass: - a mounted position, in which said removable part 31 is connected to the rest of the guardrail 31, so that said intermediate rail 25 is complete, without said access space 32 and therefore in other words without particular interruption , thus providing optimum protection against the fall of the operator, as illustrated in Figures 1, 25 and 28 in particular,
• said intermediate rail 25 therefore being incomplete and having an interruption, that is to say say said access space 32, located under said upper rail 12 and above the periphery of the platform 6, said access space 32 thus constituting a passage so that the operator 7 can access it more easily the platform 6, as illustrated in FIG. 29 in particular,
• Said removable part 31 can preferably be detached from the rest of the railing 10 without it being necessary to dismantle other structural elements of the last, and in particular one or more of said uprights 1 1, the upper rail 12, or again the rest of the intermediate rail 25 (that is to say the fixed part 33 described below).
• Said guardrail 10 although easy to install and relatively easy to dismantle, is preferably not a temporary structure, and is advantageously intended to remain attached to the frame 4 of said cold unit 2.
• the securing method thus comprises a step of fitting at least one removable part 31 of said intermediate rail 25, so that when said removable part 31 is removed (that is to say dismantled, or in the disassembled position described above), it provides an access space 32 under said upper rail 12 allowing the operator 7 to access said platform 6 from the outside.
• said access space 32 also allows the operator 7 to leave said platform 6.
• the guardrail 10 is designed so that the operator 7 can easily remove said removable part 31 when wishes to access the platform 6. Once he is standing on the latter, the operator 7 goes up said part removable 31 (with the rest of said railing 10), so that the intermediate rail 25 is complete and the protection provided by the railing 10 is optimal. When the operator wishes to leave said platform 6, he dismantles said removable part 31 again, from the inside of platform 6 this time, then reassembles it from the outside.
• the guardrail 10 is designed so that, when said removable 31 and fixed 33 parts are both mounted, or more simply when said removable part 31 is mounted to the rest of said guardrail 10, said intermediate rail 25 is complete, i.e. fully assembled to secure the cooling assembly 1 when the operator 7 is standing on the platform 6.
• said intermediate rail 25 comprises at least one fixed part 33 designed to cooperate with said removable part 31.
• said cooperation is produced by fitting said fixed 33 and removable 31 parts into one another.
• said removable portion 31 has the general shape of an elbow (hollow) pipe or of a (solid) cylinder which has been bent so as to form an elbow, and comprises a first end 34 which is preferably substantially tapered, and / or has a diameter and / or a cross section smaller than that of the rest of the removable part 31.
• Said first end 34 is thus advantageously designed to fit into said fixed part 33, for example in the one of said hollow connection elements 26 forming part of said fixed part 33.
• Such a configuration is particularly illustrated in Figures 19 to 22, which represent the matching and progressive insertion of said first end 34 with the hollow of a fitting hollow 26.
• said step of placing thus comprises a step of cooperation between a fixed part 33 of said intermediate rail 25 and said removable part 31.
• Said step of cooperation comprises before conveniently a step of fitting said fixed 33 and removable 31 parts into one another, during which, preferably, said first end 34 fits into said fixed part 33 (and more precisely in a hollow of said fixed part 33).
• the secure cooling assembly 1 comprises a locking pin 35 and said fixed 33 and removable 31 parts are designed to be locked to one another in a reversible manner using said pin 35, when the latter passes through said fixed 33 and removable 31 parts, the latter (fixed 33 and removable 31 parts) then being advantageously matched, a such a correspondence being illustrated in FIGS. 19 to 22, in four successive steps or positions.
• said fixed 33 and removable 31 parts respectively comprise a first and a second locking hole 36, 37, said first and second locking hole 36, 37 being designed to receive said pin 35 so that the latter passes through both said fixed part 33 and said removable part 31 to block them together, or in other words to prevent them from coming apart once they are nested in one another.
• Said locking pin 35 is for example a beta pin, as illustrated in Figures 22 and 25.
• Said fixed 33 and removable 31 parts are preferably designed to be traversed by said locking pin 35 at the level of said fitting.
• the intermediate rail 25 is designed so that the locking pin 35 locks said fixed 33 and removable 31 parts together at the level of a nested portion of one of said fixed 33 and removable 31 parts in the other.
• Said cooperation step therefore preferably comprises a reversible locking step of said fixed 33 and removable 31 parts using a locking pin 35, when the latter passes through said fixed 33 and removable 31 parts.
• Figure 19 thus presents a situation where said fixed 33 and removable 31 parts are not connected together, but are brought together, while Figure 20 presents a situation where said first end 34 of said removable portion 31 is partially fitted into said part.
• FIG. 22 shows a final locking configuration in which said locking pin locking 35 has been inserted into said first and second locking holes 36, 37, thus securing said fixed 33 and removable 31 parts.
• the configurations shown in Figures 19 to 22 are thus advantageously carried out successively in this order for mounting said removable part 31, and the configurations presented in FIGS. 22 to 19 are thus preferably carried out successively in this order (therefore reverse to assembly) for disassembling said removable part 31.
• said first end 34 has a diameter substantially equal to that of said straight connectors 27, and / or forms part of one of said straight connectors 27.
• At least one of said uprights 1 1 is designed to cooperate with said removable part 31.
• said cooperation (between said removable part 31 and said upright January 1) is produced by fitting one of said uprights 1 1 and the removable part 31 into one another.
• said removable part 31 has the same shape as what has been previously described, and comprises a second end 38, preferably substantially opposite to the first end 34, said second end 38 being advantageously designed to fit together in said upright 11, for example in said intermediate orifice 30 of this upright 1 1.
• the portion of said removable part 31 comprising said second end 38 is for example formed by one of said hollow fittings 26, the diameter of which is advantageously particularly suitable for the snug insertion of said second end 38 into said intermediate orifice 30 so that it wedges in the latter.
• said removable part 31 is advantageously connected by one end (said first end 34) to the rest of said intermediate rail 25 (and more precisely said fixed part 33), and by another end (said second end 38) to one of said uprights 11 preferably via the intermediate orifice 30 of the latter.
• said removable part 31 cooperates with one of said uprights 11, preferably by interlocking said upright 11 and removable part 31, said second end 38 advantageously fitting into said upright 1 1, and more precisely in said intermediate orifice 30 of the latter.
• said removable part 31 has a distinctive visual sign 39 allowing the operator 7 to visually differentiate it from said fixed part 33.
• Said visual distinctive sign 39 may in particular be a mark (ribs, etc.), a color ( paint for example), a light, a shape, etc., and advantageously makes it possible to visually distinguish said removable part 31 from said fixed part 33, the latter therefore preferably being devoid of this distinctive visual sign 39.
• the distinctive visual sign 39 is constituted by an absence of particular marking when said fixed part 33 has a distinctive marking and not said removable part 31, the latter being distinguished in any case unambiguously from said fixed part 33, the absence of distinctive marking forming as such said visual sign distinctive 39.
• said removable part 31 forms a portion of the intermediate rail 25 smaller than that formed by said fixed part 33.
• the securing method comprises and / or makes it possible to carry out, advantageously, one or more of the following steps, partially illustrated in Figures 19 to 22, 24, 25, 28 and 29:
• said guardrail 10 comprises a plinth 41 connecting said uprights 11 together, said plinth 41 being located below said upper rail 12, more preferably below said intermediate rail 25. More preferably, said plinth 41 is pressed against said uprights 1 1. Said plinth 41 has an edge disposed opposite, or directly against, the periphery of said outer upper surface 5. This configuration is particularly advantageous to prevent the operator 7 from falling from said platform. form 6 for example by sliding under said intermediate rail 25, or that it loses its tools, and in particular its small tools (screwdriver, etc.) which could fall under said intermediate rail 25 in the absence of said plinth 41, which can therefore retain the operator 7 and / or his equipment.
• the securing method advantageously comprises a step of installing a plinth 41 connecting said uprights 11 to each other and located below said upper rail 12, preferably below said intermediate rail 25, said step of installation still more advantageously comprising a step of plating said plinth against said uprights 11.
• Said plinth 41 comprises, for example, profiles running along the periphery of said outer upper surface 5, as well as corner reinforcements 42 with an L-section (cf. FIG. 11) making it possible to connect two of said profiles at the level of an elbow of said guardrail 10 (and therefore a corner of said plinth 41), such a configuration making it possible in particular to reinforce said plinth 41 and more generally said guardrail 10.
• some of said uprights 1 1, for example those which are not pressed against said longitudinal members 19, may optionally each be equipped with a respective base 43, said base 43 itself being placed on and / or secured to, said outer upper surface 5, as illustrated in particular in Figure 25.
• said uprights 11, whether they are pressed against said side members 19 or placed on said outer upper surface 5 via said base 43, are advantageously connected directly or indirectly, to said chassis 4.
• Said guardrail 10 preferably also comprises at least one reinforcing bracket 44 which is advantageously permanently connected to said outer upper surface 5 on the one hand and to said guardrail 10 on the other hand.
• said reinforcing bracket 44 is connected both to said outer upper surface 5 and to said plinth 41 and / or to one of said uprights 1 1, for example by means of screws of a screw assembly / nuts, said reinforcing bracket 44 being for example pressed against said plinth 41 or said upright 11 as illustrated, respectively, in Figures 1 and 17.
• Said reinforcing bracket 44 makes it possible to even more firmly connect said guardrail 10 to said frame 4, thus increasing the stability of said guardrail 10 and the safety of the operator 7 when he is on said platform 6.
• the invention also relates as such, according to a third aspect illustrated in the figures, a kit for securing interventions on a cold unit 2 equipping a building.
• a kit for securing interventions on a cold unit 2 equipping a building equipping a building.
• said above description like the one which follows, concerning the secure cooling assembly 1 and / or the securing method also applies advantageously to the securing kit according to the invention, and conversely, the following description relating to the securing kit.
• securing preferably also applies to the secure cooling assembly 1 and to the securing method according to the invention.
• said cold unit 2 comprises a cooling system 3 as well as a frame 4 enclosing said cooling system 3, said frame 4 comprising a substantially horizontal outer upper surface 5 forming a platform. 6 on which an operator 7 can stand to carry out a maintenance intervention on said cold unit 2.
• the securing kit comprises a guardrail 10 intended to extend around and / or along the periphery of said outer upper surface 5 to prevent said operator 7 from falling, said guardrail 10 comprising at the same time less:
• intermediate rail 25 connecting said uprights 11 to each other, said intermediate rail 25 being located below said upper rail 12, said intermediate rail 25 comprising at least one removable part 31 which, when removed, leaves space for 'access 32 under said upper rail 12 allowing the operator 7 to access from the outside to said platform 6,
• a plinth 41 connecting said uprights 11 together, said plinth 41 being located below said upper rail 12 (and preferably below said intermediate rail 25).
• the secure cooling assembly 1, the securing method and the securing kit of the invention make it possible to carry out frequent or one-off maintenance operations on said cold unit 2 under optimum safety conditions as well as regards people. , including operators intervening in maintenance of said refrigeration unit 2, as goods, including equipment of said operators.
• the invention finds its industrial application in the design, manufacture and use of secure cooling assemblies and kits for securing workers on a cold group, as well as in securing cold groups.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Devices That Are Associated With Refrigeration Equipment (AREA)
• Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

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Publications (1)

Family

ID=68211040

Family Applications (1)

Country Status (3)

Family Cites Families (8)

• 2019
  • 2019-07-02 FR FR1907355A patent/FR3098284B1/fr active Active
• 2020
  • 2020-07-01 WO PCT/FR2020/051152 patent/WO2021001630A1/fr unknown
  • 2020-07-01 EP EP20747059.2A patent/EP3994398A1/de active Pending

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