EP1691078B1 - Anordnung zum Pumpen von Konstruktionsmaterialien - Google Patents

Anordnung zum Pumpen von Konstruktionsmaterialien Download PDF

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Publication number
EP1691078B1
EP1691078B1 EP05301052A EP05301052A EP1691078B1 EP 1691078 B1 EP1691078 B1 EP 1691078B1 EP 05301052 A EP05301052 A EP 05301052A EP 05301052 A EP05301052 A EP 05301052A EP 1691078 B1 EP1691078 B1 EP 1691078B1
Authority
EP
European Patent Office
Prior art keywords
pump
coating
construction materials
pumping
tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP05301052A
Other languages
English (en)
French (fr)
Other versions
EP1691078A1 (de
Inventor
Georges Laroche
Fabrice Halbique
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Comprime Francais - Vit - Co
Original Assignee
Air Comprime Francais - Vit - Co
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Filing date
Publication date
Application filed by Air Comprime Francais - Vit - Co filed Critical Air Comprime Francais - Vit - Co
Publication of EP1691078A1 publication Critical patent/EP1691078A1/de
Application granted granted Critical
Publication of EP1691078B1 publication Critical patent/EP1691078B1/de
Not-in-force legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/06—Implements for applying plaster, insulating material, or the like
    • E04F21/08—Mechanical implements
    • E04F21/12—Mechanical implements acting by gas pressure, e.g. steam pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F04B15/023—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/24—Bypassing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous

Definitions

  • the present invention relates to a device for carrying out the pumping and the projection, the application, the coating or the grouting of building materials, and in particular mortar, plaster, cement or any other similar mixture, on all surfaces. , interior or exterior, vertical or not.
  • pumping machines conventionally comprising a loading hopper of the material to be coated or sprayed, communicating with a pump either directly by gravity alone or by means of a spiral screw feeding system.
  • This pump can be of any kind, including screw, piston, membrane or peristaltic.
  • This pump is connected to a tube or pipe, intended to allow the transport of said material at the user's area of intervention, this tube having at its end a projection member, lance type or spray gun to be coated or or a nozzle, etc.
  • a device is for example described in the document FR-A-2,794,181 .
  • this type of device facilitates the work of the user and improves its conditions of intervention, especially in terms of comfort, however its implementation faces a number of technical difficulties, among which it should be done.
  • these consist of a mixture as homogeneous as possible of one or more powdery materials (cement, lime, sand, etc ...) associated with water, according to determined proportions and suitable to allow a congealing, and therefore a relatively fast solidification of said mixture once projected, coated, or applied.
  • powdery materials cement, lime, sand, etc
  • the technical solution proposed in the aforementioned document is to implement a drive motor of the pump operating hydraulically variable displacement, associated with a particular automatic starting device and progressive.
  • the principle recommended is relatively complex to implement, in addition to use.
  • the present invention aims to overcome these disadvantages. It is aimed at a device of the type in question, that is to say intended to pump and spray, coat, join or apply a construction material, coated type, mortar and other cement, on any surface, and especially on a wall or a ceiling, which allows both an adjustment of the amount of material projected, without leading to the crippling result of the devices of the prior art, namely the segregation of the various constituents of the material, in addition to the alteration of mechanical parts of the structure of these devices.
  • the outlet of the pump is also connected in closed circuit with the tank by means of a so-called "return" pipe, said return pipe on the tank being permanently supplied with material intended to be sprayed, coated applied or joined.
  • said return pipe is closable on command of an adjustable regulation system.
  • the invention consists in continuously subjecting the constituent mixture of the material to be sprayed, coated, joined or applied within the vessel to agitation resulting from its continuous progression at least in a closed circuit, and to to vary the amount of material conveyed necessary to the user, by mounting a bypass at the pump outlet, thus reducing or increasing the quantity available at the end of the projection pipe, and without varying the nominal speed of the pump. pump operation. In doing so, it can be set at a value both sufficient to avoid segregation phenomena mentioned above, without the risk of routing too much material at the place of use.
  • control system controls the closing and opening of the return pipe, and integrates a member acting on this closure and on this opening, said member being controlled by an adjustable time delay relay.
  • This control system is operated pneumatically, electrically or hydraulically.
  • control system is itself under the control of a remote control distributor, advantageously located at the level of the projection member, coating, grouting or application, positioned, in a known manner, at the end of the projection pipe.
  • Figure 1 is a schematic representation of the device according to the invention.
  • Figures 2 and 3 respectively show a pneumatic diagram of the operating principle of the device according to the invention, respectively in connection with a projection member consisting of a plaster gun and a gun to join.
  • Figures 4 and 5 are schematic representations in section of the shutter member of the return line on the tank, and in this case basically consists of a double-acting cylinder.
  • Figure 6 is a schematic perspective representation of said organ in question.
  • FIG. 1 therefore shows a general view of the pumping and projection device according to the present invention.
  • a tank (1) in this case hopper-shaped, intended to receive the material to be sprayed in the form of a mixture, typically a coating, a mortar or a cement, in order to be projected on an interior or exterior surface, a ceiling, a wall etc ...
  • This tank (1) rests in the example described on a carriage (4) provided with wheels (5), to allow the transfer of the device in the vicinity of the place of use.
  • this carriage is provided with stabilization means, in addition to a hitch (not shown so as not to overload the figures unnecessarily).
  • This tank (1) is further partially closed at about two-thirds of its height by a grid (3) for protection and safety, to avoid the introduction into its useful volume, bulky objects and especially hard, likely to deteriorate the various mechanical organs forming part of the device of the invention.
  • the tank (1) communicates with a pump (11), the contents of said tank, and thus the constituent mixture of the material to be sprayed to the pump by simple gravity.
  • a pump 11
  • the bottom of the tank may be provided with a feeding member, ensuring the progression of said material at the pump.
  • the pump (11) consists for example of a worm (not shown), actuated by a motor (7), via a gear (8).
  • Said engine can be of any kind, including thermal, electrical, pneumatic or hydraulic.
  • the motor assembly (7) + gearbox (8) is furthermore advantageously protected by a hinged folding cover (9), especially in view of the risks of projection of the material to be sprayed in question.
  • a pipe for routing the material to be sprayed (13) is connected at the output of the pump (11), this connection being made by conventional means, schematically represented by the reference (14).
  • Such means make it possible to easily couple and uncouple the tube (13), in particular to make it possible to vary the diameter and the length thereof, or simply to clean it.
  • the end of said tube (13) also receives, also removably, a projection member, for example consisting of an attachment gun (15) or a plaster gun (16), obviously a function of envisaged use of the device of the invention.
  • a projection member for example consisting of an attachment gun (15) or a plaster gun (16), obviously a function of envisaged use of the device of the invention.
  • a pipe (12) called “return” is connected at the output of the pump, and is mounted in a closed circuit on the vessel (1). In doing so, this assembly is likely to ensure agitation of the mixture, because of the permanent movement to which it is subjected.
  • this return pipe (12) is closed in a predetermined sequence, by means of a control system (17) described in more detail later.
  • the pipe (12) said return is fed continuously by said material.
  • this pipe is likely to be closed cyclically or periodically, the closing frequency or opening of this pipe may be directly a function of the amount of material used by the user of the machine at the level of the end of the pipe (13) for conveying said material.
  • the return pipe (12) is provided, in the example described near its end, with a regulation system (17), shown in more detail in section in FIGS. 4 and 5, and in perspective in Figure 6.
  • the general control system bearing the reference (19), basically incorporates the system (17) above, and in particular the double-acting jack (20).
  • This distributor (22) is of type 5-2. It is associated with a mechanical spring drive, and is controlled by an adjustable timing relay (21), such as for example marketed by the company CROUZET under the reference "81506710", carrying at its level a clean compressed air flow to oppose the stress generated by said spring.
  • This delay thus makes it possible to have an adjustable duration of supply of compressed air flow, which therefore makes it possible, according to the value of the time delay established by the user, to switch the distributor according to its two positions according to the desired period or frequency, and therefore corollary increase or decrease the amount of material to be conveyed to the end of the pipe (13) according to the needs of the user.
  • the compressed air for operating the cylinder (20) is conveyed to the distributor (22) via a pipe (33), itself under the control of an assembly (18) of two pneumatic safety valves, respectively ( 31) and (32).
  • the distributor (32) is itself in direct relationship with the compression chain of the compressed air. This basically comprises and in a known manner a compression motor (38) associated with a lubricator (37), a pressure gauge (36), a pressure regulating member (35), and a filter (34).
  • This engine is itself indirectly related to a source of compressed air (24), closable by means of a valve (25), and whose connection to the pneumatic circuit is also provided with a filter (26).
  • the timer (21) is itself under the direct control of a control device consisting in this case of a remote control distributor (27), advantageously associated with the gun (15). , 16).
  • a remote control distributor (27)
  • This is a pneumatic distributor type 3-2, and is actuated by a push user.
  • This distributor is connected by a pipe (23) to the timer (21), as can be seen in Figures 2 and 3.
  • it is also associated with a mechanical spring drive, and the constraint generated by the spring is neutralizable with a push user operated.
  • the dispenser (27) is in the closed position.
  • the pusher of the distributor (27) switching it to the passing path of the compressed air, which, acting through the pipe (23) on the delay (21), first induces the closing of the valve (42) within the system (17), and consequently the routing of the coating at the end of the pipe (13) and therefore the gun (15) or (16).
  • the distributor (27) operates in "all or nothing" mode, that is to say that its actuation induces the communication of the pneumatic distributor (21) associated with the delay with the pneumatic distributor (22). actuating the system (17). Then, only the timer, depending on the setting that has been assigned to it, allows to vary the amount of material conveyed to the end of the pipe (13).
  • the distributor (27) acts simultaneously on the timer or relay (21) and on the spray gun (15, 16), so that its actuation, positive in the example described, induces both the opening said gun and conveying the material to be projected at its level.
  • the operating speed of the pump can be constant and set at a value such that any risk of segregation is zero.
  • the invention is therefore not to act on this speed, but on the other hand to vary the amount of material sent to the coating guns.
  • control system is likely to act as a safety device, when an untimely stop occurs at the output of the guns (15, 16). Indeed, if the user fails to release the push button associated with the remote control distributor (27), the pressure inside the pipe increases, but however limited to the value of the maximum pressure likely to reign in the cylinder rear chamber (20). Indeed, when the pressure in the pipe (13) reaches the maximum in said rear chamber, the latter back and thus releases the orifice (44) connecting the return line (12) in the tank (1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Nozzles (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Fertilizing (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (6)

  1. Anordnung zum Pumpen, Spritzen, Auftragen, Beschichten und Verstreichen von Baumaterialien und insbesondere von Putz, Mörtel, Zement oder jeder anderen ähnlichen Mischung auf jegliche Oberfläche, umfassend eine Wanne (1), die dazu geeignet ist, das Baumaterial aufzunehmen, und die mit einer durch eine Motor (7) betriebenen Pumpe (11) verbunden ist, wobei die genannte Pumpe an eine Zuführleitung (13) für das genannte Material in die Verwendungszone angeschlossen ist;
    dadurch gekennzeichnet:
    • daß der Ausgang der Pumpe (11) ebenfalls im geschlossenen Kreislauf mit der Wanne (1) mittels einer Rückführleitung (12) verbunden ist, wobei die genannte Rückführleitung zur Wanne permanent mit dem zu verspritzenden Material gespeist wird;
    • und daß die Rückführleitung auf Befehl eines regelbaren Reglungssystems (19) verschließbar ist.
  2. Anordnung zum Pumpen, Spritzen, Auftragen, Beschichten und Verstreichen von Baumaterialien nach Anspruch 1, dadurch gekennzeichnet, daß das regelbare Regelungssystem ein durch ein Relais mit regelbarer Verzögerungszeit gesteuertes Organ (21) aufweist.
  3. Anordnung zum Pumpen, Spritzen, Auftragen, Beschichten und Verstreichen von Baumaterialien nach Anspruch 2, dadurch gekennzeichnet, daß das Regelungssystem auf pneumatischem, elektrischem oder hydraluschem Wege betätigt ist.
  4. Anordnung zum Pumpen, Spritzen, Auftragen, Beschichten und Verstreichen von Baumaterialien nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Absperrorgan der Rückführleitung durch einen doppelt wirkenden Hydraulikzylinder (20) angetrieben ist.
  5. Anordnung zum Pumpen, Spritzen, Auftragen, Beschichten und Verstreichen von Baumaterialien nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das regelbare Regelungssystem selbst von einer ferngesteuerten Ausgabevorrichtung (27) abhängt.
  6. Anordnung zum Pumpen, Spritzen, Auftragen, Beschichten und Verstreichen von Baumaterialien nach Anspruch 5, dadurch gekennzeichnet, daß die ferngesteuerte Ausgabevorrichtung (27) im Bereich des Spritzorgans (15,16) angeordnet ist.
EP05301052A 2005-01-25 2005-12-14 Anordnung zum Pumpen von Konstruktionsmaterialien Not-in-force EP1691078B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0500737A FR2881187B1 (fr) 2005-01-25 2005-01-25 Dispositif pour le pompage et la projection, l'application, l'enduction ou le jointoiement de materiaux de construction

Publications (2)

Publication Number Publication Date
EP1691078A1 EP1691078A1 (de) 2006-08-16
EP1691078B1 true EP1691078B1 (de) 2007-09-12

Family

ID=34953998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05301052A Not-in-force EP1691078B1 (de) 2005-01-25 2005-12-14 Anordnung zum Pumpen von Konstruktionsmaterialien

Country Status (4)

Country Link
EP (1) EP1691078B1 (de)
AT (1) ATE373174T1 (de)
DE (1) DE602005002448T2 (de)
FR (1) FR2881187B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2904844B1 (fr) * 2006-08-10 2010-03-12 Lucien Vidal Machine a projeter de l'enduit
FR2999665B1 (fr) * 2012-12-18 2015-01-02 Vicat Grille pour l’equipement d’une pompe a chape
CN107859295A (zh) * 2017-10-16 2018-03-30 四川建筑职业技术学院 一种组合式小型单缸机械注浆机
CN110068611A (zh) * 2019-05-14 2019-07-30 山东住工装配建筑有限公司 智能检测注浆装置及检测方法
CN111058638B (zh) * 2019-12-30 2021-05-04 通号建设集团第一工程有限公司 一种装配式建筑隔层楼板施工后拼接缝处理工艺
CN114607121A (zh) * 2022-04-18 2022-06-10 中建八局第二建设有限公司 一种粘结砂浆上料和抹灰设备及施工方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR774621A (fr) * 1933-09-04 1934-12-10 Dispositif pour empêcher le blocage des pompes à béton
FR2448053A1 (fr) * 1979-02-02 1980-08-29 Parietti Arthur Pompe pour l'injection de mortier ou d'autres coulis dans des trous d'ancrage
FR2488946B1 (fr) * 1980-08-22 1987-02-06 Peynet Jean Pompe et projeteur a debit variable pour betons et mortiers
US5330332A (en) * 1992-08-31 1994-07-19 Nth, Inc. Manure transfer system

Also Published As

Publication number Publication date
FR2881187B1 (fr) 2007-03-02
DE602005002448T2 (de) 2008-06-12
FR2881187A1 (fr) 2006-07-28
DE602005002448D1 (de) 2007-10-25
EP1691078A1 (de) 2006-08-16
ATE373174T1 (de) 2007-09-15

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