JP2009121018A - Hanging implement - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an implement which can be simply and easily installed and removed, and which enables the efficient performance of the operation of lifting a load to an upper floor from a lower one. <P>SOLUTION: This hanging implement is applied when the delivery of a conveyed object is performed between the lower and upper floors via an opening 2 which is provided in a floor slab 1 for partitioning the lower and upper floors 3 and 4. The hanging implement comprises: a frame member 40 which is installed at the peripheral edge of the opening 2; a hanging member 30, one end of which is attached to the frame member 40 and the other end of which is suspended on the lower floor through the opening 2; and a base 20 which is suspended and supported in a predetermined height position on the lower floor via the hanging member 30. The conveyed object delivered between the upper and lower floors is temporarily placed on the base. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  In the structure under construction, the present invention performs a delivery work of a transported material such as formwork material between the upper floor and the lower floor through an opening provided in a floor slab that partitions the upper floor and the lower floor. The present invention relates to a jig applied when performing.

  In formwork construction such as apartment buildings, after placing concrete on any floor, after confirming the predetermined number of days and strength, formwork materials such as dam plates and pipe supports are dismantled. Then, the dismantled formwork material is unloaded and transferred to the upper floor. In many cases, the form material is unloaded from the lower floor to the upper floor by previously providing an opening called a useless hole on the floor. As a method of unloading using this opening, as shown in FIG. 9, a method in which a worker on the lower floor hands the formwork material to the worker on the upper floor one by one, or disclosed in Patent Document 1 As described above, there is a method in which a lifting device such as a hoist is installed on the upper floor, and a formwork member is accommodated in a conveying device attached to the lifting device and lifted to the upper floor.

Japanese Patent Laid-Open No. 11-50665

  By the way, when handing out formwork materials one by one between the lower floor and the upper floor, the worker on the lower floor is from the dismantling place to the opening position, and the worker on the upper floor is from the opening position to the temporary storage place. Each must carry a formwork material. For this reason, if the lower floor transportation work takes longer than the upper floor transportation work, the upper floor worker waits at the opening position, while the upper floor transportation work becomes the lower floor transportation work. If it takes more time than that, there is a problem that the worker on the lower floor is waiting while holding the formwork material, and the work efficiency is poor.

  In addition, when the formwork member is lifted using a lifting device as in Patent Document 1, it takes time to install and remove the equipment for attaching the lifting device and the transfer device. There is a problem that it is not suitable for construction.

  In view of the above points, an object of the present invention is to provide a jig that can be easily installed and removed and that can efficiently carry out unloading work from a lower floor to an upper floor.

  The hanging jig of the present invention is a jig that is applied when delivering a conveyed product between the lower floor and the upper floor through an opening provided in a floor slab that divides the lower floor and the upper floor. A frame member installed at a periphery of the opening, a suspension member whose one end is attached to the frame member, and the other end is suspended from the lower floor through the opening, and the suspension member. And a base that is suspended and supported at a predetermined height position on the lower floor.

  According to a second aspect of the present invention, the hanging jig according to the first aspect is provided with a first engaging member on the pedestal and a second engaging member on the hanging member. By engaging and disengaging one engaging member with the second engaging member, the pedestal is suspended and supported so as to be detachable from the hanging member.

  The hanging jig according to claim 3 of the present invention is characterized in that, in the above-mentioned claim 2, the second engaging member is provided at a plurality of locations having different heights in the hanging member.

  According to a fourth aspect of the present invention, there is provided the hanging jig according to the first aspect, wherein a pin member is projected from the upper surface of the pedestal.

  According to a fifth aspect of the present invention, there is provided the hanging jig according to the first aspect, wherein a claw member is projected from a peripheral edge portion on the upper surface of the pedestal.

  A hanging jig according to a sixth aspect of the present invention is the hanging jig according to the first aspect, wherein the frame member is constituted by a long side member and a short side member, and the long side according to the size of the opening. The length of a rectangular side defined by the member and the short side member is adjustable.

  According to a seventh aspect of the present invention, there is provided the hanging jig according to the first aspect, wherein the frame member is provided with guide members that contact a plurality of locations on the inner peripheral surface of the opening.

  The hanging jig according to an eighth aspect of the present invention is characterized in that, in the first aspect, a pin member protrudes from the inner peripheral surface of the frame member.

  Further, the hanging jig according to claim 9 of the present invention further includes a hook member detachably installed on the pedestal and a hanging member for lifting the hook member to the upper floor in the above-mentioned claim 1. It is characterized by that.

  According to the hanging jig of the present invention, the frame member installed at the periphery of the opening provided in the floor slab separating the lower floor and the upper floor, and one end is attached to the frame member, while the other end is the opening. Through the suspension member, and a pedestal supported by the suspension member at a predetermined height position on the lower floor via the suspension member. Can be placed. As a result, waiting time for workers on each floor is reduced, and work efficiency can be improved. Moreover, since it is the simple structure of a frame member, a suspension member, and a base, installation to an opening part and withdrawal can be performed easily.

  Below, with reference to an accompanying drawing, a suitable embodiment in a hanging jig of the present invention is described in detail.

  FIG. 1 is a front view showing a state in which a hanging jig 10 according to the present embodiment is attached to a rectangular opening (dead hole) 2 provided in a floor slab 1 of a building under construction. In the following description, after a predetermined number of days have passed since the concrete of the lower floor 3 has been placed, the formwork materials are disassembled, and these formwork materials are unloaded from the opening 2 to the upper floor 4 and diverted. The case will be described.

  The formwork material to be unloaded is classified into a dam plate, a support work and accessories according to the function. The dam plate is a wooden plate-like material that is in direct contact with the placed concrete and supports the concrete until the concrete is hardened, and its dimensions are about 1800 mm × 600 mm. The support is a long member such as a pipe support or a single pipe for fixing the barrier plate. A pipe support with a length slightly shorter than the floor height is often used. Accessories are form tie bolt form ties, separators, and the like, and have dimensions smaller than the above-described weir plate and support work.

  As shown in FIG. 1, the hanging jig 10 according to the present embodiment includes a pedestal 20, a hanging member 30, and a frame member 40.

  As shown in FIG. 1, the pedestal 20 is temporarily placed with formwork materials having various shapes and dimensions in a state of being suspended from the floor slab 1 via a suspension member 30 and a frame member 40 described later.・ For holding. 2A is a plan view of the pedestal 20, FIG. 2B is a cross-sectional view taken along line AA of FIG. 2A, and FIG. 2C is a cross-sectional view taken along line BB of FIG. The pedestal 20 includes a plurality of vertical frames 21 disposed at predetermined intervals, a plurality of horizontal frames 22 disposed in a central portion between the vertical frames 21, a claw member 23, a pin member 24, The hook 25 is constituted.

  In this embodiment, as shown in FIG. 2A, the pedestal 20 includes four vertical frames 21 and three horizontal frames 22, which are integrated by appropriate means. As the material of the vertical frame 21 and the horizontal frame 22, a steel material or the like can be applied.

  As shown in FIGS. 2-1 to 2-3, claw members 23 on a flat plate projecting upward are provided at both ends (peripheries) of the upper surfaces of the plurality of vertical frames 21. The claw member 23 restricts the dam plate from moving in the horizontal direction when a plate-like member such as a dam plate is placed on the pedestal 20, and prevents the dam plate from falling off the pedestal 20. is there.

  On the other hand, a pin member 24 protruding upward is provided at the center of the upper surface of the plurality of horizontal frames 22. The pin member 24 restricts the pipe support and the like from being displaced in the horizontal direction by being inserted into a lower end portion of the pipe support or the like when a tubular member such as a pipe support or a single pipe is placed on the base 20. It is.

  Further, hooks 25 are provided at four corners of the pedestal 20, that is, at four positions on both ends of the two vertical frames 21 located at both ends of the pedestal 20, as shown in FIG. These hooks 25 attach the base 20 to the suspension member 30 by engaging with a first engagement ring 33 or a second engagement ring 34 provided on the suspension member 30 described later.

  The suspending member 30 suspends and supports the pedestal 20 as shown in FIG. FIG. 3A is a front view of the hanging member 30, and FIG. 3B is a side view of the hanging member 30. As shown in FIG. 3A, the suspension member 30 includes a long belt member 31 made of nylon, polyester, or the like, a hook 32, a first engagement ring 33, and a second engagement ring 34. It is comprised from. In the present embodiment, four hanging members 30 are used as one set. The hook 32 is attached to the upper end portion of the belt member 31 via a fastener 35 and attaches the suspension member 30 to the frame member 40 by engaging with a belt coupling ring 43 of the frame member 40 described later. is there.

  The first engagement ring 33 and the second engagement ring 34 are attached to the belt member 31 at different heights via fasteners 36, and both engage with the hook 25 of the pedestal 20 described above. To do. When attaching the hook 25 of the pedestal 20 to the suspension member 30, one of the first engagement ring 33 and the second engagement ring 34 is selected according to the type of formwork material placed on the pedestal 20. Thus, the hanging height position of the pedestal 20 (that is, the distance from the floor slab 5 on the lower floor to the pedestal 20) can be adjusted. For example, when a long member such as a pipe support is placed on the pedestal 20, the hook 25 of the pedestal 20 is attached to the second engagement ring 34. On the other hand, when placing a dam plate or an accessory with dimensions shorter than the pipe support on the pedestal 20, the hook 25 of the pedestal 20 is attached to the first engagement ring 33 so that the suspending position of the pedestal 20 is set. It can be higher than with pipe support. In the following description, the position of the pedestal 20 when the hook 25 is engaged with the first engagement ring 33 is the first position, and the position of the pedestal 20 when the hook 25 is engaged with the second engagement ring 34. Is called the second position.

  The suspending height position of the pedestal 20 is set to such an extent that when the pipe support or the dam plate is placed on the pedestal 20, these upper end portions protrude from the opening.

  The frame member 40 is a rectangular frame member installed on the peripheral edge of the opening 2, and supports the suspension member 30 and the pedestal 40 described above through the opening 2 as shown in FIG. 1. is there. 4A is a plan view of the frame member 40, and FIG. 4B is a cross-sectional view taken along the line CC of FIG. 4A. As shown in FIG. 4A, the frame member 40 includes a long side member 41 and a short side member 42, a belt coupling ring 43, a guide member 44 and a pin member 45.

  The long side member 41 and the short side member 42 are each constituted by a single tube, and each end is fastened by a clamp (tightening fitting) 46 to form a rectangular frame. Yes. By loosening the fastening between the long side member 41 and the short side member 42 and the clamp 46, the length of the rectangular side defined by the long side member 41 and the short side member 42 and the clamp 46 can be changed. By setting it as the said structure, according to the magnitude | size of the opening part 2, it is possible to adjust the magnitude | size of the frame member 40. FIG. In this embodiment, when a mold material having a large length such as a dam plate or a pipe support is placed on the pedestal 20, the upper end portions of these mold members are used as the long side member 41 and the short side member 42. It is intended to hold it against.

  As shown in FIG. 4A, the belt coupling ring 43 is attached to both ends of the short side member 42 via fasteners 47, and engages the hook 32 of the suspension member 30 described above. .

  The guide member 44 is composed of four rod-like members installed at four corners in the frame of the frame member 40. As shown in FIG. 4B, the four rod-shaped members are in contact with the inner peripheral surface of the opening 2. That is, when the frame member 40 is installed in the opening 2, the arrangement interval of the opposing bar-like members is arranged so as to be substantially equal to the interval between the two opposing sides of the opening 2. With the above configuration, the frame member 40 is restricted from moving in the horizontal direction with respect to the opening 2, and the frame member 44 is prevented from being displaced from the opening 2.

  The pin member 44 protrudes from the inner peripheral surface of the long side member 41. The pin member 44 is configured such that when a mold member having a large length such as a pipe support is placed on the pedestal 20 and the upper end portion of the pin member leans against the long side member 41, the upper end portion of the pipe support is horizontally oriented. It restricts movement.

  In addition, when unloading accessories such as foam ties and separators, a lifting basket 50 is separately used. 5A is a plan view of the unloading basket 50, FIG. 5-2 is a DD cross-sectional view of FIG. 5-1, and FIG. 5-3 is an EE cross-sectional view of FIG. As shown in FIG. 5A, the lifting cage 50 includes a flange portion 53 including a frame portion 51 and a wire mesh 52, a lifting metal fitting 54 and a lifting ring 55 attached to the flange portion 53. It is comprised from.

  Next, an operation for unloading the formwork member from the lower floor to the upper floor using the hanging jig 10 having the above-described configuration will be described. 6-1 is a front view showing a state in which the pipe support 61 is placed on the base 20 of the hanging jig 10, and FIG. 6-2 is a view of FIG. 6-1 seen from the side. . In FIG. 6B, the short side member 42 on the near side of the frame member 40 is omitted.

  In unloading the formwork material, first, the size of the frame (long side member 41 and short side member 42) of the frame member 40 is adjusted according to the size of the opening 2 of the floor slab 1 on the upper floor, The frame member 40 is installed in the opening 2. Since the movement of the frame member 40 in the horizontal direction is restricted by the guide member 44, the frame member 40 is not displaced from the opening 2. Next, the suspension member 30 is suspended by engaging the hook 32 of the suspension member 30 with the belt coupling ring 43 of the frame member 40.

  When a mold material having a large length such as a pipe support is placed on the pedestal 20, the hook 25 of the pedestal 20 is engaged with the second engagement ring 34 of the suspension member 30, and the pedestal 20 is Arranged in two positions. The operator conveys the pipe support 61 from the dismantling part of the lower floor 3 to the installation position of the hanging jig 10, inserts the lower end portion of the pipe support 61 into the pin member 24 of the base 20, and the upper end portion of the frame member 40. It leans between a plurality of pin members 45 provided in the. As shown in FIGS. 6A and 6B, the plurality of pipe supports 61 placed on the pedestal 20 are held at their lower ends by the pin members 24 of the pedestal 20, and the upper ends are frame members. The horizontal movement is restricted by the 40 pin members 45. Therefore, the plurality of pipe supports 61 are held by the hanging jig 10 without falling off the pedestal 20. The pipe support 61 temporarily placed on the hanging jig 10 is sequentially lifted by an operator on the upper floor and transported to a temporary place.

  Next, FIG. 7-1 is a front view showing a state where the dam plate 62 is placed on the pedestal 20 of the hanging jig 10, and FIG. 7-2 is a view of FIG. . 7B, the short side member 42 on the near side of the frame member 40 is omitted.

  When placing the weir plate 62 on the pedestal 20, the hook 25 of the pedestal 20 is engaged with the first engagement ring 33 of the suspension member 30, and the pedestal 20 is disposed at the first position. The operator conveys the weir plate 62 from the dismantling part of the lower floor 3 to the hanging jig 10, places the weir plate 62 on the pedestal 20, and leans the upper end portion of the weir plate 62 against the frame member 40. As shown in FIGS. 7A and 7B, the plurality of barrier plates 62 placed on the pedestal 20 are restricted from moving in the horizontal direction by the claw members 23 of the pedestal 20. It is held by the hanging jig 10 without falling off. The dam plate 62 temporarily placed on the hanging jig 10 is sequentially lifted by an operator on the upper floor and transported to a temporary place.

  Next, FIG. 8-1 is a front view showing a state in which the lifting rod 50 containing accessories (not shown) is placed on the base 20 of the hanging jig 10, and FIG. It is the figure which looked at -1 from the side. In FIG. 8B, the short side member 42 on the near side of the frame member 40 is omitted.

  When the unloading basket 50 is placed on the pedestal 20, the hook 25 of the pedestal 20 is engaged with the first engagement ring 33 of the suspension member 30 in the same manner as the dam plate 62 described above, and the pedestal 20 Is placed in the first position. The operator conveys the accessory from the dismantling part of the lower floor 3 to the hanging jig 10, stores the accessory in the unloading basket 50, and places the unloading basket 50 on the pedestal 20. The lifting rod 50 placed on the pedestal 20 is held by the hanging jig 10 without falling off from the pedestal 20 because the movement in the horizontal direction is restricted by the claw member 23 of the pedestal 20. Next, as shown in FIG. 8A, after hooking the hook (not shown) of the lifting rope to the lifting ring 55 of the lifting rod 50, an operator on the upper floor pulls the lifting rope. Raise the fried and raised salmon 50 to the upper floor.

  In the above description, the unloading work is performed by two workers on the lower floor and the upper floor. However, the unloading work can be performed by one worker. In this case, the worker first transports a plurality of formwork materials from the dismantling location on the lower floor to the installation position of the hanging jig 10, places them on the hanging jig 10, and then moves to the upper floor. Then, the formwork material placed on the hanging jig 10 is pulled up and conveyed to a temporary place.

  As described above, the hanging jig 10 of the present embodiment includes the frame member 40 installed at the periphery of the opening 2 provided in the floor slab 1 that partitions the upper floor and the lower floor, and one end of the frame jig 40. 40, the suspension member 30 that is suspended from the floor slab 1 through the opening 2, and the pedestal 20 that is suspended and supported at a predetermined height on the lower floor via the suspension member 30. The formwork material was temporarily placed on the pedestal 20. As a result, waiting time for workers on each floor is reduced, and work efficiency can be improved. Moreover, since it is a simple structure of a frame member, a suspending member, and a pedestal, it can be easily installed and removed from the opening, and can be easily carried to the upper floor. Moreover, since it was set as the structure suspended from an opening part, even if it is a case where other building materials are piled up on the floor slab directly under an opening part, for example, it is possible to perform unloading work.

  In addition, according to the hanging jig of the present embodiment, the worker on each floor has the formwork material compared to the conventional unloading work in which the formwork material is handed over from the worker on the lower floor to the worker on the upper floor. Since the time for holding is reduced, operator fatigue can be reduced. In addition, in the conventional unloading work, an operator is required for each of the lower floor and the upper floor. However, when the hanging jig according to the present embodiment is used, the worker alone unloads from the lower floor to the upper floor. Work can be performed.

  Furthermore, according to the hanging jig of the present embodiment, the hook 20 is provided on the pedestal 20, the engagement rings 33 and 34 that engage with the hook 25 are provided on the hanging member 30, and the hook 25 is engaged with the engagement ring. The base 20 is detachably supported with respect to the suspension member 30 by being engaged with or disengaged from any one of 33 and 34, so that the base 20 can be connected to and detached from the suspension member 30. It can be done easily. Further, by providing the engagement rings 33 and 34 at positions where the height of the suspension member 30 is different, the suspension height position of the pedestal 20 can be adjusted according to the size and shape of the formwork material. it can.

  Furthermore, according to the hanging jig of the present embodiment, the pin members 24 and 45 for restricting the horizontal movement of the mold material are provided on the upper surface of the base 20 and the inner peripheral surface of the frame member 40, respectively. A mold material having a large length such as a pipe support or a single pipe can be stably placed on the base 20. Further, by providing a claw member 23 for restricting the horizontal movement of the mold material at the peripheral edge on the upper surface of the pedestal 20, a plate-shaped mold material such as a dam plate is stably placed on the pedestal 20. Can be placed.

  In addition, according to the hanging jig of the present embodiment, the frame member 40 is composed of a long side member and a short side member, and depending on the size of the opening, the long side member and the short side member Since the length of the defined rectangular side can be adjusted, there is no need to separately prepare the frame member 40 depending on the size of the opening. In addition, since the frame member 40 is provided with the guide member 44 that contacts a plurality of locations on the inner peripheral surface of the opening, it is possible to prevent the frame member 40 from being displaced from the opening.

  In the above embodiment, the hook 20 is provided on the base 20 and the engagement rings 33 and 34 are provided on the suspension belt 30. However, the engagement belt 33 is provided on the base 20 and the suspension belt 30 is provided. You may provide a hook in. Similarly, in the above embodiment, the suspension belt 30 is provided with the hook 32 and the support frame 40 is provided with the belt connection ring 43. However, the suspension belt 30 is provided with the connection ring, and the support frame is provided with the support frame 40. 40 may be provided with a hook.

  In the above embodiment, it is assumed that the formwork material is unloaded from the lower floor to the upper floor, but the movement of the formwork material from the upper floor to the lower floor (for example, carrying into the basement floor) Can be applied.

It is a front view which shows the state which attached the hanging jig | tool which is this Embodiment to the opening part provided in the floor slab. It is a top view of the base in the hanging jig | tool which is this Embodiment. It is AA sectional drawing of FIGS. It is BB sectional drawing of FIGS. It is a front view of the hanging member in the hanging jig which is this Embodiment. It is a side view of FIGS. It is a top view of the frame member in the hanging jig which is this Embodiment. It is CC sectional drawing of FIG. 4-1. It is a top view of the lifting kite in the hanging jig which is this Embodiment. It is DD sectional drawing of FIGS. It is EE sectional drawing of FIGS. It is a figure explaining the state by which the pipe support was mounted in the hanging jig | tool which is this Embodiment. It is the figure which looked at FIG. 6-1 from the side. It is a figure explaining the state by which the dam plate was mounted in the hanging jig | tool which is this Embodiment. It is the figure which looked at FIG. 7-1 from the side. It is a figure explaining the state by which the lifting kite was mounted in the hanging jig | tool which is this Embodiment. It is the figure which looked at FIG. 8-1 from the side. It is a figure explaining the loading work of the conventional formwork material.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Upper floor slab 2 Opening part 3 Lower floor 4 Upper floor 5 Lower floor slab 10 Hanging jig 20 Base 21 Vertical frame 22 Horizontal frame 23 Claw member 24 Pin member 25 Hook 30 Hanging member 31 Belt member 32 Hook (first engaging member)
33 First engagement ring (second engagement member)
34 Second engagement ring (second engagement member)
35, 36 Fastener 40 Frame member 41 Long side member 42 Short side member 43 Belt coupling ring 44 Guide member 45 Pin member 46 Clamp 47 Fastener 50 Lifting rod
51 Frame part 52 Wire mesh 53 Gutter part 54 Lifting metal fitting 55 Lifting ring 61 Pipe support 62 Dam plate

Claims (9)

A jig to be applied when delivering a transported object between the lower floor and the upper floor through an opening provided in a floor slab that partitions the lower floor and the upper floor,
A frame member installed at the periphery of the opening;
A suspension member having one end attached to the frame member and the other end suspended from the lower floor through the opening;
A hanging jig comprising: a base that is suspended and supported at a predetermined height position on the lower floor via the hanging member.   The first engaging member is provided on the base, the second engaging member is provided on the suspension member, and the first engaging member is engaged with and disengaged from the second engaging member. The hanging jig according to claim 1, wherein the pedestal is suspended and supported so as to be detachable from the hanging member.   The hanging jig according to claim 2, wherein the second engaging member is provided at a plurality of locations having different heights in the hanging member.   The hanging jig according to claim 1, wherein a pin member protrudes from the upper surface of the pedestal.   The hanging jig according to claim 1, wherein a claw member projects from a peripheral edge portion of the upper surface of the pedestal.   The frame member is composed of a long side member and a short side member, and the length of a rectangular side defined by the long side member and the short side member can be adjusted according to the size of the opening. The hanging jig according to claim 1.   The suspension jig according to claim 1, wherein the frame member is provided with a guide member that contacts a plurality of locations on the inner peripheral surface of the opening.   The hanging jig according to claim 1, wherein a pin member projects from an inner peripheral surface of the frame member.   The hanging jig according to claim 1, further comprising a hook member that is detachably installed on the pedestal, and a hanging member that lifts the hook member to an upper floor.

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