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WO1998009040A1 - Truelle mecanique aeroglisseur - Google Patents

Truelle mecanique aeroglisseur Download PDF

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Publication number
WO1998009040A1
WO1998009040A1 PCT/AU1997/000550 AU9700550W WO9809040A1 WO 1998009040 A1 WO1998009040 A1 WO 1998009040A1 AU 9700550 W AU9700550 W AU 9700550W WO 9809040 A1 WO9809040 A1 WO 9809040A1
Authority
WO
WIPO (PCT)
Prior art keywords
machine
concrete
wing
type platform
finishing
Prior art date
Application number
PCT/AU1997/000550
Other languages
English (en)
Inventor
Stephen Peter Burgess
Original Assignee
Stephen Peter Burgess
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 Stephen Peter Burgess filed Critical Stephen Peter Burgess
Priority to AU38428/97A priority Critical patent/AU3842897A/en
Publication of WO1998009040A1 publication Critical patent/WO1998009040A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/20—Implements for finishing work on buildings for laying flooring
    • E04F21/24—Implements for finishing work on buildings for laying flooring of masses made in situ, e.g. smoothing tools
    • E04F21/245—Rotary power trowels, i.e. helicopter trowels
    • E04F21/247—Rotary power trowels, i.e. helicopter trowels used by an operator sitting on the trowel, i.e. ride-on power trowels

Definitions

  • the present invention relates to a hovering concrete trowelling machine. More particularly, though not exclusively, the invention relates to a propeller driven hovering craft or machine adapted to finish the surface of freshly poured concrete.
  • Hand operated levels and screeds (a straight edge) and trowels are known to be maneuvered across freshly poured concrete slabs by handles, extension handles, power equipment, cables and other devices to change the raw concrete surface from an unfinished to a specified concrete finish.
  • machanical and hand operated implements have limitations. For example, to perform any work upon freshly poured concrete which was beyond the reach of an extension handle or scaffold, the user had to wait until a certain hardness was achieved in the concrete surface for it to support the weight of the user for any work on the concrete surface to take place This delay leads to extended periods of waiting for this hardness to come about
  • Mechanical operated finishing of concrete is done by, what is known as a trowelling machine. These machines may weight from 60kg to in excess of 600kg, plus the operator's weight.
  • the present invention relates to a hovering concrete trowelling machine comprising a wing-type platform, a turntable assembly which rotates above the wing-type platform at
  • a drive motor for providing rotation to a first fan or thrust producing member mounted in the centre of the wing-type platform, to thereby produce a forceful stream of gas in the vertical direction to lift the machine above the surface of the concrete.
  • a second fan or thrust producing member is mounted to the machine frame or housing. The second fan member is mounted to the wing-type platform and operatively connected to a drive motor to produce a forceful stream of gas in the horizontal direction to propel the machine along the concrete surface.
  • a rudder means or member is pivotally mounted and aligned with the trust of air from the second fan member to provide directional control of the machine.
  • a trowel or a float-type implement member or other type finishing or texturing implement may be mounted, as desired, to the frame or housing of the machine via appropriate linkages for engagement with the surface of the concrete to finish the same.
  • the present invention involved a hovering concrete finishing machine which includes a trowel or float implement member adapted to be positioned to engage a freshly poured concrete surface to finish the concrete surface.
  • These machines include a turntable assembly and frame which rotates about 360 degrees above the wing-type platform and include thrust producing devices mounted above the wing-type platform and adapted to produce individual forceful streams of gas, one vertically and one horizontally
  • Control means is provided to steer and control the horizontal thrust producing member on the machine in a desired direction over the concrete surface and is provided to control the other thrust producing member and the accompanying stream of gas vertically directed underneath the wing portion and the concrete surface to vertically lift the machine over the concrete surface
  • Such a control means includes a steering mechanism adapted to produce rotation of the turntable assembly and frame and the resultant thrust producing member with respect to the wing type portion and the stream of gas travelling in the vertical direction
  • the trust producing members are fans or propellers, one producing a horizontal stream of gas and the other producing a vertical stream of gas Both propellers are motor driven either with electric or petrol motors, as desired
  • the trust producing fan member mounted to the turntable assembly and frame, and which provides the horizontal stream of gas, is pivotally mounted to the assembly
  • the rotation of the frame member changes the direction of the machine and provide a means of control of the machine
  • This method of finishing concrete provides a variety of choices as the existing or new tool implement applied to the job
  • the tools or implements may include a straight-edge for the levelling of concrete, a trowel for the finishing of the concrete surface, or a squeegee for the removal of water All of these tools may be adapted to the machine via a universal fitting
  • the machine permits multiple tasks with greatly increased access to a surface
  • Another feature of the present invention is that when using it with a trowel attached, the finishing is not dependent on a circular motion of the actual trowels against the concrete Thus, a better and flatter finished surface is achieved
  • the design of the hovering concrete machine is such that the machine does not have a designated front or rear thereby maximising maneuverability for a machine of this type
  • the operator has a choice of three different methods of steering the craft so that he is able to move forward, backward and left or right, or any other angle desired.
  • the hovering machine may utilize the vertical thrust producing device to drive off the water from the west surface.
  • FIG. 1 is a schematic plan view of a hovering concrete trowelling machine in 110 accordance with the present invention
  • FIG. 2 is an enlarged schematic plan view of the mechanism for rotating the turntable member of FIG 1;
  • FIG 3 is a schematic top plan view of the hovering concrete trowelling machine in accordance with a further embodiment of the present invention
  • FIG. 4 is an enlarged schematic top plan view of the mechanism for rotating the turntable member of FIG. 3,
  • FIG 5 is an schematic top plan view of the control for the horizontal forward propulsion of the machine of FIG. 3,
  • FIG 6 is a sectional plan view of the adjustment mechanism and tubular skirt 120 member of the hovering machine of FIG. 3,
  • FIG 7 is a partial sectional plan view of the adjustment mechanism of the machine of FIG. 6, and
  • FIG. 8 is a schematic plan view of a hovering machine in accordance with a further embodiment of the present invention DESCRIPTION OF PREFERRED EMBODIMENT.
  • FIG. 1 illustrate and depict a hovering concrete trowelling or finishing machines 20, which include a wing-type platform or frame portion 12 which is necessary for the operation of the machines.
  • the wing-type platform 12 permits and directs a vertical
  • a motor 2 is operatively coupled by a shaft 19 to a first fan or thrust member 3 which is mounted substantially in the centre of the machine 20 to rotate the fan 3 to thereby provide a cushion of air between the wing type platform 12 and the freshly poured concrete 135 surface 14a.
  • Turntable members 8 and 9 are included as part of a turntable assembly 15. Turntable member 8 is fixedly mounted to the wing type platform 12 while turntable member 9 is mounted to a bearing 30, preferably a cross roller bearing, mounted to member
  • 140 9 supports the operator 1. This operative relationship provides the steering control of the machine.
  • the turntable member 8 includes a bearing member 30, which encloses the shaft 19 extending from motor 2 to fan member 3 and which supports member 9.
  • turntable member 9 may be rotated with respect to turntable 45 member 8 via a motor 7 mounted to the frame or housing 22 and operatively coupled to and powering a gear 13 which meshes with gear edge (not shown) of turntable 8.
  • This provides one means and method of controlling the machine.
  • the operator 1 using leg, arm or body pressure may manually rotate turntable member 9 about member 8, as desired.
  • a trowel or finishing member 11 is indirectly mounted to turntable member 9 via a linkage 10. Accordingly, the trowel member 1 1 follows the position of turntable member
  • the angle and pressure of the trowel 1 1 against the concrete 14a is controlled via the linkage 10 by operator 1. While the trowel 11 may have different dimensions and 55 configurations, the engaging surface of trowel 1 1 is adapted to substantially float upon the concrete surface 14a when the machine is suspended over the concrete
  • a motor 4 is provided and drives second fan member 5, both of which are mounted to turntable member 9 At the command of the operator 1, a forceful stream of gas produced by the second fan member 5 provides the forward power to move the hovering
  • a rudder member 6 is controlled via a linkage control member 13 by the operator 1 The rudder 6 is mounted and aligned to be engaged by the forceful stream of gas created by second fan member 5
  • power plant or motor 2 is activated to rotate first fan member 3
  • a circular void or opening 18 is provided which allows the vertical stream of gas from the first fan or propeller 3 to enter the space between the concrete surface 14a and the underside of the platform and wing member 17
  • the underside of the wing-type platform 12 may include a cylindrical shaped pipe or tube 25 which is secured to the corners of the wing-type platform 12, as shown in FIGS 3, AND 6-8.
  • the means for attachment of the cylindrical shaped pipe or tube 25 to the wing-type platform 12 is through members 29, which control the amount of free movement between the platform 12 and the tube 25 to accommodate a different consistency of
  • a flexible skirt 24 comprising of any material, which is flexible and air impervious, is utilized to seal the pipe 25 to the wing-type platform 12. Is utilisation of a flexible skirt 24 permits the operator to transfer weight on the upper surface of the wing-type platform 12 without unduly effecting the cylindrical
  • the flexible skirt provides increase lift performance, creates a trowel on all sides of the machine and allows for easy attachment of the cylindrical shaped pipe to the wing-type platform.
  • a sipper may be sewn in the flexible skirt for removal and this permits that after daily usage the skirt may be removed for easy cleaning of the cylindrical shaped pipe.
  • Turntable 9 or the frame or housing 22 (FIGS. 2-8) is attached to the wing-type platform 12 to permit the turntable 9 to rotate in all directions.
  • the frame or housing 22 is provided to hold the necessary hardware in place for the rotation of the components the upper housing or frame with respect to the wing-type platform 12.
  • This hardware includes the power plant 4, the second fan member 5, the power plant 2, the first
  • the frame or housing 22 is mounted to the bearing 30 which is supported by support members 27 (FIG. 4) over the void or opening 18 in the wing-type platform 12.
  • support members 27 FIG. 4
  • attached to the ends of the frame 22 are wheels 26 which rest upon the upper surface of the wing-type platform 12.
  • the wheels 26 are of a pneumatic type which are able
  • the wheels provide stability to the overall structure of the machine and the relationship between the wheels 26 and the upper surface of the wing type platform 12.
  • the bearing 30, the frame or housing 22 and wheels 26 provide for an upper turntable relationship with respect to the wing-type platform 12.
  • wheels 26 are motors 7 which provide for forward and reverse rotation to wheels 26 and, thus, rotation of the frame or housing 22 with respect to wing-type platform 12.
  • the bearing 30 is positioned on the support frame or bridge 27 over the opening 18 of the upper wing-type portion 12.
  • the upper frame or housing 22 with all the associated equipment necessary to operate the machine is mounted on the bearing.
  • This equipment includes an operator 1, a seat 28, a power plant 2, a fan 3, a horizontal fan 5, rudders 6, as well as a power plant 4 for driving the horizontal fan 5.
  • Linkage 13 is provided between the operator 1 and the rudder system 6 to control the same.
  • a throttle control 23 for the power plant 4 is utilized to control the forward thrust of the machine 20.
  • a control box 32 is provided for controlling the forward and reverse of motors 7
  • the entire frame 22 and equipment rotate with respect to the wing-type platform 12.
  • the upper frame 22 is mounted on the bearing 30 which is positioned on the power plant 2, which rests on bridge 27. In such an assembly, the power plant 2 and fan 3 do not rotate while the remaining elements, as set forth above, rotate with respect to the win-type platform 12.
  • FIG. 4 and the schematic controls of the present machine is shown in FIG. 5 which involves a linkage 13 between the operator 1 and the rudder system 6 as well as the relationship of the power plant 4 which powers the horizontal fan 5.
  • the power plant 2 is activated to produce rotation of propeller 3 where upon
  • a forceful stream of gas is trapped between the concrete surface 14a and either the wing 17 (FIG. 1) or between the wing-type platform and the skirt 24 and cylindrical pipe 25 thereby providing a cushion of air between the machine and the treated surface.
  • power plants 2 and 4 are preferably, petrol driven, but they could be electrically driven. When power plant 4 is actuated, this produces rotation of propeller 5 by the control
  • the directional thrust induced by propeller 5 is altered to effect steering of the machine 20 in the desired direction.
  • the hovering machine 20 ha a utilisation beyond texturing or finishing a surface of concrete.
  • the hovering 255 machine could be utilised as a device for drying and removing water from an athletic sports surface by utilising the downward and outward force of the air escaping the gap between the cylindrical shaped pipe and the wet surface, as shown by the arrows in FIG. 3

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

Une truelle mécanique de finissage d'une surface coulée se déplace sur un coussin d'air pour traverser ladite surface coulée (14) sans entrer en contact avec celle-ci. La truelle mécanique comprend une plate-forme à plateaux (12), un système de table rotative (15) tournant autour de la plate-forme à plateaux (12), un premier élément de moteur (2) qui commande la rotation d'un premier élément de ventilateur (3) destiné à produire un courant gazeux sous forte pression dans le sens vertical afin d'élever la truelle mécanique au-dessus de la surface coulée (14), un deuxième élément de moteur (4) couplé activement à un deuxième élément de ventilateur (5) destiné à produire un courant gazeux sous forte pression dans le sens horizontal afin de propulser la truelle mécanique le long de la surface (14). Un élément de gouverne de direction (6) monté sur le système de table rotative (15) reçoit le courant gazeux activé par le deuxième élément de ventilateur (5) pour assurer la commande directionnelle de la truelle mécanique. Un élément de finissage (11) monté sur la plate-forme à plateaux (12) vient au contact de la surface coulée (14) pour la lisser pendant que la truelle mécanique se déplace au-dessus de la surface.
PCT/AU1997/000550 1996-08-28 1997-08-28 Truelle mecanique aeroglisseur WO1998009040A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU38428/97A AU3842897A (en) 1996-08-28 1997-08-28 Hovering concrete finishing machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPO1921 1996-08-28
AUPO1921A AUPO192196A0 (en) 1996-08-28 1996-08-28 Hovering concrete trowelling machine

Publications (1)

Publication Number Publication Date
WO1998009040A1 true WO1998009040A1 (fr) 1998-03-05

Family

ID=3796234

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1997/000550 WO1998009040A1 (fr) 1996-08-28 1997-08-28 Truelle mecanique aeroglisseur

Country Status (2)

Country Link
AU (1) AUPO192196A0 (fr)
WO (1) WO1998009040A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1267000A3 (fr) * 2001-06-13 2004-01-28 Delaware Capital Formation, Inc. Finisseur pour béton
CN112095408A (zh) * 2020-09-23 2020-12-18 温州泰乐维工程设计有限公司 建筑施工用混凝土路面扫平机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5766465A (en) * 1966-02-21 1967-08-24 Ager Maxwell Air curtain sealed ground reaction lawn mower
AU1233966A (en) * 1965-10-13 1968-04-11 Flying Societe Anonyme Air cushion supported lawn mower
JPH02204570A (ja) * 1989-02-03 1990-08-14 Ohbayashi Corp 自動床仕上装置
JPH06136960A (ja) * 1992-10-29 1994-05-17 Michihiro Okihisa 空気クッシヨン式フイニッシヤー

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1233966A (en) * 1965-10-13 1968-04-11 Flying Societe Anonyme Air cushion supported lawn mower
AU5766465A (en) * 1966-02-21 1967-08-24 Ager Maxwell Air curtain sealed ground reaction lawn mower
JPH02204570A (ja) * 1989-02-03 1990-08-14 Ohbayashi Corp 自動床仕上装置
JPH06136960A (ja) * 1992-10-29 1994-05-17 Michihiro Okihisa 空気クッシヨン式フイニッシヤー

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Vol. 14, No. 449; & JP,A,02 204 570 (OHBAYASHI CORP), 14 August 1990. *
PATENT ABSTRACTS OF JAPAN, Vol. 18, No. 444; & JP,A,06 136 960 (OKIHISA MICHIHIRO), 17 May 1994. *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1267000A3 (fr) * 2001-06-13 2004-01-28 Delaware Capital Formation, Inc. Finisseur pour béton
CN112095408A (zh) * 2020-09-23 2020-12-18 温州泰乐维工程设计有限公司 建筑施工用混凝土路面扫平机

Also Published As

Publication number Publication date
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