EP1785247A2 - Dispositif de chantier pour l'amenée de ciment dans un vase de mélange - Google Patents

Dispositif de chantier pour l'amenée de ciment dans un vase de mélange Download PDF

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Publication number
EP1785247A2
EP1785247A2 EP06122544A EP06122544A EP1785247A2 EP 1785247 A2 EP1785247 A2 EP 1785247A2 EP 06122544 A EP06122544 A EP 06122544A EP 06122544 A EP06122544 A EP 06122544A EP 1785247 A2 EP1785247 A2 EP 1785247A2
Authority
EP
European Patent Office
Prior art keywords
cement
hopper
bucket
feeding
water
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.)
Withdrawn
Application number
EP06122544A
Other languages
German (de)
English (en)
Other versions
EP1785247A3 (fr
Inventor
Enrico Facchinetti
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.)
Edil Ida di Facchinetti Srl
Original Assignee
Edil Ida di Facchinetti Srl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Edil Ida di Facchinetti Srl filed Critical Edil Ida di Facchinetti Srl
Publication of EP1785247A2 publication Critical patent/EP1785247A2/fr
Publication of EP1785247A3 publication Critical patent/EP1785247A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/0422—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
    • B28C7/067—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of stationary hoppers, chambers or bins from which the material is fed gravitationally, e.g. having agitating means therein
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/12—Supplying or proportioning liquid ingredients

Definitions

  • the object of the present invention is a building yard apparatus suitable for feeding cement to a mixing device in order to prepare concrete.
  • concrete is a mix of crushed stone, pebble gravel, sand and optional additives, as a whole defined as "inerts", cement and water.
  • Some systems can be used only in quarries and comprise an apparatus, generally of large dimensions, suitable for feeding a vehicle provided with a rotating mixing tank, known as truck mixer, with inerts, cement and water. On request, the truck mixer is sent to a building yard where a construction is being made, for providing the builders with the concrete.
  • a rotating mixing tank known as truck mixer
  • Such system can be used in particular when there is the need of a large amount of concrete for a single activity, for example for casting a floor.
  • the disadvantage of such system lies in the small amounts that can be carried, in the builder's efforts for the carriage thereof, in the long times for preparing the concrete.
  • a further apparatus consists of concrete mixing equipment with scraping beams, wherein concrete is moved by a crane.
  • the amounts of concrete that can be moved may also be large, but it is necessary to have a crane for the movement.
  • document CA2238447 shows an apparatus comprising a silo, underneath which it is possible to place the opening of the tank of a truck mixer, wherein inerts, cement and water are fed.
  • the apparatus described above exhibits some disadvantages, since it imposes the presence of an operator of the apparatus to control the start up of the same, and as an alternative, as generally happens, requires the truck mixer driver to get off the vehicle, take care of setting the apparatus, actuate it, wait for the tank loading and then get on the vehicle again.
  • the object of the present invention is to meet the above needs by solving the disadvantages mentioned above with reference to the prior art.
  • FIG. 1 shows a perspective view of the apparatus according to the present invention
  • figure 2 shows a perspective diagram of the apparatus of figure 1
  • FIG. 3 shows an operating diagram of the apparatus.
  • reference numeral 1 globally denotes a building yard apparatus for feeding cement to a mixing device.
  • Apparatus 1 is associable to a mixing device comprising a mixing bucket, that is, a bucket provided with a mixing screw, generally made of two opposite halves, and a mechanical shovel, connectable to the bucket for carrying said bucket.
  • a mixing bucket that is, a bucket provided with a mixing screw, generally made of two opposite halves, and a mechanical shovel, connectable to the bucket for carrying said bucket.
  • Apparatus 1 comprises a tank 2 suitable for containing powder cement.
  • tank 2 comprises a tubular cylindrical wall 4, which extends by height, jointed at the bottom to a funnel wall 6, pierced at the bottom, for the concrete outlet.
  • tank 2 exhibits a substantially horizontal axis.
  • apparatus 1 comprises a hopper 10, arranged downstream of tank 2, in a suitable position for being fed with cement from said tank.
  • hopper 10 comprises a side wall 12 shaped as a funnel, generally truncated cone or truncated pyramid.
  • apparatus 1 comprises a screw system 20, arranged between tank 2 and hopper 10 for feeding the cement from the tank towards the hopper.
  • Said screw system 20 constitutes an example of embodiment of feeding means suitable for feeding the cement contained in tank 2 to hopper 10.
  • said feeding means consist of dropping means, such as a motor valve or a blade valve.
  • apparatus 1 comprises a support structure 30 having a seating space 32 suitable for seating, at least partly, the bucket of the mixing device.
  • the seating space 32 is constructed on the basis of the dimensions of the mixing bucket, so as to have an optimal load of cement, water, inerts and optionally chemical additives for said mixing bucket, so as to decrease or even zero wastes and powder emissions.
  • the mixing bucket is seated within space 32 up to moving to such position as to be fed with the cement contained in hopper 10. Said position is called loading position.
  • the support structure 30 consists of a plurality of beams, for example section bars connected to one another for making an open box frame suitable for seating the mixing bucket.
  • the support structure 30 comprises a bottom portion 34 that defines said seating space 32 and a top portion 36, constructed as a castle on said bottom portion 34, suitable for supporting said hopper 10.
  • apparatus 1 comprises feeding means, operatively connected to said hopper, suitable for feeding the cement contained in hopper 10 towards the bucket seated in the seating space 32.
  • said feeding means comprise a moving partition, preferably seated in an emptying box 40 arranged downstream of hopper 10.
  • said moving partition is provided with alternating motion by virtue of the coupling with a motor valve.
  • the motor valve actuation imparts an alternating motion to the partition that generates a vibration of the hopper and of the concrete contained therein such as to stimulate the cement descent towards the bucket.
  • said moving partition with alternating motion and said motor valve represent an example of embodiment of stimulating means suitable for influencing the cement contained in the hopper for stimulating the cement drop towards the bucket.
  • apparatus 1 comprises detecting means suitable for detecting the bucket setting to the loading position and for generating a relative setting signal. Said detecting means are operatively connected to the feeding means for actuating said feeding means in the presence of said setting signal.
  • the detecting means control said feeding means for feeding the bucket.
  • said detecting means comprises an oscillating bar 38, positioned in the seating space 32, on the bottom thereof, so as to be influenced by the bucket only when it is almost completely seated within space 32.
  • said detecting means comprise laser sensors and/or photocells.
  • said apparatus 1 comprises weighing means, cooperating with said hopper 10, suitable for detecting the weight of the cement contained in hopper 10 and for generating a weighing signal at a predetermined amount of cement detected in said hopper.
  • said weighing means comprise a scale device 50, cooperating with said hopper.
  • said weighing means cooperate with said means for cement feeding from tank 2 to hopper 10, for preventing the feeding in the presence of said weighing signal.
  • said weighing means control the closing of said feeding means, so that the further cement feeding from tank 2 to hopper 10 is prevented.
  • said apparatus 1 comprises hopper managing means suitable for being programmed by an operator for defining said predetermined amount of cement detected in said hopper.
  • apparatus 1 comprises water dispensing means suitable for dispensing a predetermined amount of water in said bucket.
  • said water dispensing means comprise a water tank 60, a pump 62 and at least one dispensing duct 64 arranged in said seating space 32 for dispensing water in said bucket.
  • said dispensing means comprise at least two dispensing ducts 64, arranged in the proximity of the ends of said seating space 32, so that the water fed to the mixing bucket may drop at the sides of the bucket space, to the advantage of the mixing operation.
  • said water dispensing means cooperate with said detecting means for feeding said predetermined amount of water in the presence of said setting signal.
  • the detecting means when the detecting means detect the mixing bucket in loading position, the detecting means control said water dispensing means, for feeding water to the bucket.
  • apparatus 1 comprises water managing means suitable for being programmed by an operator for setting said predetermined amount of water to be dispensed in said bucket.
  • the operator may choose the amount of water that must be loaded with the cement and set such predetermined amount of water that will be dispensed to the bucket.
  • apparatus 1 comprises cycle managing means suitable for being programmed by an operator for having said apparatus carry out a single cement feeding cycle towards said hopper or for having said apparatus carry out repeated cement feeding cycles towards said hopper.
  • the operator may program apparatus 1 so that said apparatus loads the cement into the bucket only once or so that it is capable of carrying out such loading repeatedly.
  • the operator programmes said cycle managing means, said water managing cycles and said hopper managing cycles in advance, so as to define the performance of multiple loading cycles, the amount of cement and the amount of desired water for each load.
  • the screw system 20 feeds hopper 10 with the cement contained into the tank.
  • the weight of the cement contained into the hopper is detected by the weighing means.
  • the weighing means emit a weighing signal that controls the lock of the feeding means.
  • said feeding means are locked if the bucket setting signal is not detected anymore: in fact, this would mean that the bucket has been brought out of the seating space.
  • an operator When concrete is required, an operator, using the mechanical shovel carrying the mixing bucket, loads the inerts first, for example directly shovelling them from a heap.
  • the mixing bucket is brought into the seating space, up to influencing said detecting means, that is, up to rotating bar 38.
  • Said detecting means then generate the setting signal, which controls the actuation of the cement feeding means from hopper 10 to the bucket.
  • the moving partition opens and the motor valve starts, thus imparting a vibration to the hopper that stimulates the cement drop into the bucket.
  • the setting signal controls the actuation of the water dispensing means that dispense water to the bucket, up to the predetermined amount set by the operator.
  • the bucket is carried out of the space.
  • the worm screw of the bucket mixes inerts and concrete with water so that during the bucket movement, the concrete is already mixed.
  • the apparatus described above allows having concrete in a predetermined place of the yard, effortless, without waste and without builders' efforts.
  • the apparatus described above allows using the mechanical shovels for carrying the concrete and for a production thereof with large amounts.
  • the apparatus described above allows updating existing cement tanks for imparting thereto the possibility of loading mixing buckets in an autonomous manner.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
EP06122544A 2005-11-11 2006-10-18 Dispositif de chantier pour l'amenée de ciment dans un vase de mélange Withdrawn EP1785247A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBS20050137 ITBS20050137A1 (it) 2005-11-11 2005-11-11 Apparato per cantiere edile per l'alimentazione di cemento ad un dispositivo impastatore

Publications (2)

Publication Number Publication Date
EP1785247A2 true EP1785247A2 (fr) 2007-05-16
EP1785247A3 EP1785247A3 (fr) 2011-06-29

Family

ID=37807860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06122544A Withdrawn EP1785247A3 (fr) 2005-11-11 2006-10-18 Dispositif de chantier pour l'amenée de ciment dans un vase de mélange

Country Status (2)

Country Link
EP (1) EP1785247A3 (fr)
IT (1) ITBS20050137A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753707A (zh) * 2014-01-22 2014-04-30 高佳太阳能股份有限公司 一种拌砂专用进料漏斗
CN108858791A (zh) * 2018-08-06 2018-11-23 天津市裕昇建筑工程有限公司 一种混凝土搅拌的供水系统
CN111976011A (zh) * 2020-08-27 2020-11-24 江西科技学院 一种自密实混凝土配料机
CN115122487A (zh) * 2022-07-18 2022-09-30 武汉振新混凝土有限公司 一种用于生产环保型混凝土的生产线及其加工方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964620A (en) * 1975-01-13 1976-06-22 Parsons Ward H Vehicle loading apparatus and method
GB1572578A (en) * 1977-02-18 1980-07-30 Winget Ltd Mixing means
JPH05338814A (ja) * 1992-06-03 1993-12-21 Sumitomo Metal Mining Co Ltd 銅精鉱ホッパー自動定量切出方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753707A (zh) * 2014-01-22 2014-04-30 高佳太阳能股份有限公司 一种拌砂专用进料漏斗
CN108858791A (zh) * 2018-08-06 2018-11-23 天津市裕昇建筑工程有限公司 一种混凝土搅拌的供水系统
CN111976011A (zh) * 2020-08-27 2020-11-24 江西科技学院 一种自密实混凝土配料机
CN115122487A (zh) * 2022-07-18 2022-09-30 武汉振新混凝土有限公司 一种用于生产环保型混凝土的生产线及其加工方法

Also Published As

Publication number Publication date
EP1785247A3 (fr) 2011-06-29
ITBS20050137A1 (it) 2007-05-12

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