• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Tool (1) for hoisting of ferralla comprising a frame (2) comprising at least two side beams (3) that are related by means of spacers; said frame (2) comprising upper anchors (4) for fastening an octopus (99) to join the boom of a crane; comprising first fasteners (6) in said beams (3) for the hanging connection of chains (98) or suspension cables; being found suspended from said chains (98) or cables the rebar (100) to be raised to configure a kind of template of adjustable width depending on the width of the rebar assembly from which the cables or suspension chains of the rebar hang vertically. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2653690A1
    申请号:ES201730980
    申请日:2017-07-26
    公开日:2018-02-08
    发明作者:a mención Renuncia
    申请人:Gestion Y Actividades Secozam Sl；
    IPC主号:
    专利说明:

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    TOOL LEFT TOOL
    DESCRIPTION
    OBJECT OF THE INVENTION
    The present invention relates to a tool for lifting of ferralla, usable in the construction of concrete supports in height.
    SECTOR OF THE TECHNIQUE
    The technical sector in which the invention is framed is the civil engineering construction sector.
    BACKGROUND OF THE INVENTION
    For the execution of concrete shafts in height (piles, chimneys, central cores, ...), it is usual to use formwork that allows the execution of the total height in different phases, so that with the same formwork used in a way repetitive, the structure can be executed in different sections or tonings, limited both by the height of the ferralla and by the pouring height of the concrete of the tongada. These formwork are called climbers precisely because the tonings are rising successively, and each new formwork arrangement is above -or climbs- over the previously made pitch.
    For the realization of each tilt it is necessary, in addition to the placement of the formwork at the height of the same, the placement of the ferralla and the concreting. Given the considerable height that these spindles of tens of meters can reach, it is a complicated task, which in the assembly of the formwork is simplified by using precisely the climbing formwork, while the concreting is carried out by means of pumps, which It also simplifies the work.
    However, for the installation of the rail it is necessary to mount it in situ so that the distances between reinforcements are maintained, resulting in dangerous work due to the height at which it is made, and due to the limited availability of space.
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    DESCRIPTION OF THE INVENTION
    The ferralla elevation tool of the invention has a configuration that allows the lifting of a pre-assembled ferral assembly for the execution of at least one ton of a shaft (stack, chimney, central core) of a civil work maintaining the geometry of the reinforcements (distances) in said set of ferralla, which allows to assemble the set of ferralla previously in a safe place, for example to the height of the land, and then to elevate the assembly to the definitive location in the shaft.
    According to the invention, the tool comprises a frame comprising at least two lateral stringers that are related by means of spacers; said frame comprising upper anchors for attachment to an octopus joining the crane boom; comprising first fixings in said stringers for the hanging connection of suspension chains or cables, and the ferrule to be suspended suspended from said chains or cables.
    In this way the stringers, thanks to the distance between them provided by the spacers, are configured in a spice of adjustable width template depending on the width of the ferralla assembly - which in turn depends on the dimensions of the corresponding pitch of the shaft to be constructed - from which the cables or chains of suspension of the ferralla hang vertically, so that they can lift the set of ferralla pulling vertically of several points of the same, reason why it will not deform, being able to pre-assemble it in a safe place before lifting avoiding the need for dangerous and slow mounted on site.
    In addition, it has been found as an additional or unexpected advantage that this allows the ferralla assemblies to be made on templates in the safe area, increasing the speed of construction execution in reinforcement or repetitive shafts.
    For lifting, the ferralla will be sled by means of vertical cables or chains arranged two, three or four on the wide faces of the section (and one or two on the narrow faces of the section if necessary), depending on its design and height. Said chains will have, for example, a ring at the top (for
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    to hook to the tool) and hooks in the inferior part (to hook to the hooks arranged in the ferralla), being ideally commercial chains for a maximum permissible load in service superior to the work load with a security coefficient 4 to break according to regulations .
    BRIEF DESCRIPTION OF THE DRAWINGS
    Figure 1.- Shows a view of the placement of a ferralle assembly in a hollow stack using the tool of the invention.
    Figure 1A shows an enlarged detail of Figure 1 in the area corresponding to the tool of the invention.
    Figure 2.- They show an exploded view of the frame of the tool of the invention and an enlarged detail thereof.
    Figures 3 to 8.- They show different plan views of the tool of the invention configured for various dimensions of the ferralla assembly, which is a function of the dimensions of the stack.
    DESCRIPTION OF A DETAILED EXAMPLE OF EMBODIMENT OF THE INVENTION
    The tool (1) for lifting the ferrule of the invention (see figs 1 and 1A) comprises a frame (2) comprising at least two lateral stringers (3) that are related by means of spacers; said frame (2) comprising upper anchors (4) for attachment to an octopus (99) attached to the boom of a crane; comprising first fasteners (6) on said stringers (3) for vertical hanging connection of chains (98) or suspension cables; the ferrule assembly (100) to be lifted from the wide or larger sides of its section suspended from said chains (98) or cables arranged in the first fixings (6).
    Very preferably, at least two cross members (5) comprising second fasteners (7) are also mounted on the spars (3), which are also fitted for the hanging connection of chains (98) or cables.
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    additional suspension for suspension and lifting of the ferralla (100). This provides additional suspension points for the rail (100) on the narrow sides of the section. Said crossings (5) are ideally longer than the distance between the stringers (3), to support them without having to implement additional fixations or additional anchors, as seen in the figures.
    To achieve a perfect placement of the ferralla (100), the provision of guide tubes (97) attached to some of the chains (98) or suspension cables for guiding the installation of the ferralla (100) is provided when lowering the same over the installation area.
    Preferably, the frame (2) comprises a frame formed by two lateral stringers (3), the spacers comprising at least two crossbars (8) (see fig. 1A), since it is a simple and economical configuration. Ideally, it is intended that the crossbars (8) comprise elements for adjusting their length, which allows their length to be modified instead of using spacers of specific measures for each work or section of the stack (200) to be constructed (see figs 3 a 8). In the preferred examples shown in the figures, the length adjustment elements of the crossbars (8) comprise segments (80, 84) that can be coupled together to form the crossbars (8) that can be modulated in length. Figure 2 shows how the crossbars (8) comprise end parallel segments (80) that are perpendicularly joined (welded) by one of their ends to a crossbar (3) and that at the opposite end comprise flanges (81 ) to engage other segments in continuation to form the corresponding cross member (8). For example, Figure 3 shows the coupling with other parallel parallel segments (80) to form a frame (2) of the smallest width.
    The crossbars (8) can additionally comprise intermediate parallel segments (84) provided at their two flange ends (81) to engage other segments in continuation to form the corresponding crossbar (8) of greater length, as seen in figs. 2 and 4 to 8, forming at the same time a frame (2) of greater width between stringers (3). In any of the cases envisaged in this non-limiting example, it is envisioned that the segments (80, 84) may incorporate reinforcement braces to avoid deformations, which in these cases (see
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    fig 2) comprise half-beams (82) that relate them to each other in parallel, and that may comprise posters (83) in the agreements therewith. In this way, when the segments (80, 84) are joined, the half-beams (82) remain in contact increasing the resistance to deformation.
    On the other hand, the stringers (3) and the crossbars (5) are ideally formed by U-section profiles facing in the opposite direction (with their wings facing outwards) and which are joined by their souls (9) by means of transverse plates (10) to leave a separation between their souls (9) (see figure 2 and detail C of the section of one of the stringers in the same figure). This allows for easy welding on the most appropriate part of these profiles to guarantee resistance - their souls - which are also the parts of them that are closest.
    The upper anchors (4) for attaching to the octopus (99) of the crane ideally comprise plates (40) attached to the upper wings (30) of the stringers (3) and comprising holes for coupling of rings (93) of the octopus (99), for example by means of direct thread or by means of a nut and washer opposite. Preferably said plates (40) are welded to the upper wings (30) of the stringers (3) at the points of encounter with the crossbars (8), since this prevents the generation of moments of inertia between the Octopus tension (99), which tends to approximate the stringers (3), and the opposite thrust of the crossbars (8).
    As for the first fixings (6), they preferably comprise (see detail B and C of fig. 2) first transverse holes (60) facing each other arranged at intervals in the souls (9) of the U-section profiles constituting the stringers (3), for fixing bolts (15) in which rotating eyebolts, not shown, are fastened to hold an extreme muzzle or ring, not shown, of the chain (98) or cable (the first holes (60) transverse have reinforcing plates (63)). In this way the position of each bolt (15) inside its first holes (60) facing each other, also very close to each other, is immobilized, being able to position it in any of them to achieve the perfect verticality of the corresponding chain (98) .
    And as for the second fixings (7) they ideally understand (see detail A of
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    fig 2) lower extensions (11) projections of the cross members (5) (for example of the transverse plates (10) that are joining the souls (9) of the U-section profiles constituting them), provided with seconds opposite transverse holes (70) for fixing bolts (15) in which rotating eyebolts are fastened to secure an end muzzle or ring of the chain (98) or cable. The lower extensions (11) of the transverse plates (10) arranged towards their sides are preferably spaced at a distance slightly greater than the width of the stringers (3) to configure some combs with them.
    For example, bolts (15) of 40 mm diameter can be arranged, while the rotating type eyebolts (which allow the alignment of the shot in any position) would be for example of the type VRS-F M36 with a nominal vertical shooting capacity of 7000 Kgs for each eyebolt.
    权利要求:
    Claims (17)
    [1]
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    [1 ]
    1.-Useful (1) for lifting the ferrule characterized in that it comprises a frame (2) comprising at least two lateral stringers (3) that are related by means of spacers; said frame (2) comprising upper anchors (4) for attachment to an octopus (99) attached to the boom of a crane; comprising first fixings (6) in said stringers (3) for the hanging connection of chains (98) or suspension cables; the ferralla (100) to be lifted suspended from said chains (98) or cables.
    [2]
    2. -Useful (1) for lifting the ferrule according to claim 1, characterized in that at least two cross-members (5) comprising second fasteners (7) are mounted on the stringers (3) for the hanging connection of additional chains (98) or suspension cables for suspension and lifting of the ferralla (100).
    [3]
    3. -Useful (1) for lifting the ferrule according to claim 2, characterized in that the crosspieces (5) are longer than the distance between the stringers (3), to support them.
    [4]
    4. -Useful (1) for lifting the ferrule according to any of the preceding claims characterized in that it comprises guide tubes (97) attached to some of the chains (98) or suspension cables for guiding the installation of the ferralla (100) when lowering it over the installation area.
    [5]
    5. -Useful (1) for lifting the ferrule according to any of the preceding claims, characterized in that the frame (2) comprises a frame formed by two lateral stringers (3), the spacers comprising at least two crossbars (8).
    [6]
    6. -Useful (1) for lifting the ferrule according to claim 5, characterized in that the cross-members (8) comprise elements for adjusting their length.
    [7]
    7. -Useful (1) for lifting the ferrule according to claim 6, characterized in that the elements for adjusting its length of the crossbars (8) comprise
    segments (80, 84) coupled to each other to form the crossbars modulably
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    at length.
    [8]
    8. -Use (1) for lifting the ferrule according to claim 7, characterized in that the crossbars (8) comprise end parallel segments (80) that are perpendicularly connected by one of its ends to a crossbar (3) and which at the end opposite they comprise flanges (81) to be coupled to other segments in continuation to form the corresponding cross member (8).
    [9]
    9. -Use (1) for lifting the ferrule according to claim 8, characterized in that the crossbars (8) comprise intermediate parallel segments (84) provided at their two flange ends (81) to engage other segments in continuation to form the crossbar (8) corresponding.
    [10]
    10. -Useful (1) for lifting the ferrule according to claim 8 or 9, characterized in that the segments (80, 84) comprise braces comprising semi-beams (82) that relate them to each other in parallel.
    [11 ]
    11.-Useful (1) for lifting the ferrule according to any of claims 2 to 10, characterized in that the stringers (3) and the crossbars (5) are formed by U-section profiles facing in the opposite direction and which are joined by their souls (9) by means of transverse plates (10) generating a separation between their souls (9).
    [12]
    12. -Use (1) for lifting the ferrule according to claim 11, characterized in that the upper anchors (4) for attaching to the octopus (99) of the crane comprise plates (40) attached to the upper wings (30) of the stringers ( 3) and comprising holes for coupling rings (93) of the octopus (99).
    [13]
    13. -Useful (1) for lifting the ferrule according to claim 12 characterized in that the plates (40) are welded to the upper wings (30) of the stringers (3) at the meeting points with the crossbars (8).
    [14]
    14. -Useful (1) for lifting the ferrule according to any one of claims 11 to 13, characterized in that the first fixings (6) comprise facing first transverse holes (60) arranged at intervals in the souls (9) of
    the U-section profiles constituting the stringers (3), for fixing some
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    bolts (15) in which rotating eyebolts are fastened to hold an end muzzle or ring of the chain (98) or cable.
    [15]
    15. -Useful (1) for lifting the ferrule according to any of claims 11 to 14, characterized in that the second fasteners (7) comprise lower extensions (11) protruding from the crossings (5), provided with second transverse holes (70) facing each other for fixing bolts (15) in which rotating eyebolts are fastened to secure an end muzzle or ring of the chain (98) or cable.
    [16]
    16. -Useful (1) for lifting the ferrule according to claim 15, characterized in that the lower extensions (11) of the transverse plates (10) arranged towards their sides are spaced at a distance slightly greater than the width of the stringers (3) .
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    同族专利:
    公开号 | 公开日
    ES2653690B2|2019-01-04|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPH04297664A|1991-03-27|1992-10-21|Kajima Corp|Arrangement of stirrup made of frp|
    JPH0579188A|1991-09-18|1993-03-30|Penta Ocean Constr Co Ltd|Centralized controlling method for suspension of previously built-up beam reinforcement|
    JPH102010A|1996-06-18|1998-01-06|Mitsui Constr Co Ltd|Construction method of reinforced concrete column|
    JP2014074304A|2012-10-05|2014-04-24|Cup Shokai Co Ltd|Hanger device, top end positioning tool for reinforcement cage, hanging method for reinforcement cage, and erecting method for reinforcement cage|CN112431419A|2020-12-04|2021-03-02|江苏五环建设有限公司|A reinforcement device for building site|
    法律状态:
    2019-01-04| FG2A| Definitive protection|Ref document number: 2653690 Country of ref document: ES Kind code of ref document: B2 Effective date: 20190104 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201730980A|ES2653690B2|2017-07-26|2017-07-26|USEFUL FOR LEFT OF FERRALLA|ES201730980A| ES2653690B2|2017-07-26|2017-07-26|USEFUL FOR LEFT OF FERRALLA|
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