JP3960392B2 - Exterior wall material lifting device and exterior wall material lifting method - Google Patents

Description

  The present invention relates to an outer wall material lifting device for lifting an outer wall material constituting a building outer wall such as a curtain wall unit, a PC plate, and a stone plate at a construction site, and an outer wall material lifting method for lifting an outer wall material using this device.

Patent Document 1 discloses a device that lifts a PC board constituting a building outer wall at a construction site.
This lifting device can lift and support the PC board in a horizontal posture, and can also lift and support the PC board that is lifted and supported in the horizontal posture in a vertical posture.
By using such a lifting device, the PC board is lifted and supported in a horizontal position from the ground using a tower crane at the construction site, and when the PC board rises to near the mounting position, the PC board is lifted in a vertical position. Since it can be supported and attached, the PC board can be stably raised from the ground to near the attachment position. That is, by lifting and supporting the PC board in a horizontal posture, the PC board is hardly affected by the wind, so that it can be lifted and supported stably.

Japanese Patent Publication No. 7-100977

The above-described conventional lifting device winds up an upper wire rope and a lower wire rope on a frame that is lifted by a tower crane, and is provided so that it can be freely fed. The upper wire rope and the lower wire rope are provided on a PC board. The PC board is lifted and supported in a horizontal posture and a vertical posture by winding the upper wire rope and the lower wire rope as appropriate, winding them out and changing the effective length.
In this way, the conventional lifting device supports the PC board by lifting it with two wire ropes, and therefore easily swings when the PC board is lifted and supported in a horizontal position. In particular, when a lightweight outer wall material such as a curtain wall unit is lifted and supported and lifted, it is much easier to swing than when a heavy outer wall material such as a PC board is lifted and supported.
As described above, when the PC board is lifted and supported in a horizontal posture, if the PC board swings, the PC board may collide with a building frame and be damaged.

  An object of the present invention is to support the outer wall material in a horizontal posture and to support the outer wall material in a vertical posture so that the outer wall material does not swing when it is lifted and supported in a horizontal posture. An outer wall material lifting device and an outer wall material lifting method are provided.

The outer wall material lifting device of the present invention includes a frame member, a first lifting jig, a second lifting jig, and an outer wall material support fixing member provided on the frame member,
The frame member is lifted and supported by a main wire and lifted and lowered,
The first lifting jig lifts and supports one end side of the outer wall material so as to be rotatable in the vertical direction,
The second lifting jig includes a wire reeling and unwinding machine supported by lifting and supporting the frame member, a wire, and a support member provided on the wire, and the other end side of the outer wall material is supported by the support member. The outer wall material is turned up and down with respect to the first lifting jig by winding and shortening the rope in the state, and the outer wall material becomes a horizontal posture, and the outer wall material is drawn out and lengthened. Is rotated vertically with respect to the first lifting jig so that the outer wall material is in a vertical posture,
The outer wall material supporting and fixing member is a member fixed to a frame member, and is an outer wall material lifting device that supports and fixes the outer wall material so as not to move in a horizontal posture.

In the outer wall material lifting device of the present invention, the outer wall material support fixing member includes a main body fixed to the frame member, and a presser body provided at a lower portion of the main body,
When the outer wall material is in a horizontal posture, it can be configured to support and fix the outer wall material so that the upper surface thereof is in contact with the presser body and the outer wall material does not move.

If it does in this way, an outer wall material will be turned upwards by winding up the line of a 2nd lifting jig, and it will be in a horizontal posture, and the upper surface will be pressed against a presser body, and an outer wall material will be horizontal. It can be supported and fixed so that it does not move with respect to the frame member in the posture, and the upper wall is separated from the presser body and the support and fixing of the outer wall material is released by extending the above-mentioned rope and turning the outer wall material downward. Is done.
Therefore, the outer wall material can be supported and fixed and released by winding and unwinding the rope of the second lifting jig without any operation of the outer wall material supporting and fixing member, and the operation is simple.
In addition, the outer wall member can be positioned in a horizontal posture by pressing the upper surface of the outer wall member against the presser body.

In the outer wall material lifting device of the present invention, the main wire is lifted and supported near the other end of the frame member,
A first lifting jig is provided near one end of the frame member, and a second lifting jig is provided near the other end so that the outer wall material is lifted and supported near the one end of the frame member.

  In this way, the outer wall material is suspended and supported near the one end of the frame member in a vertical posture, and the main wire is located near the other end. The vertical wall material can be brought close to the building frame without interfering with the overhanging portion.

The method for lifting an outer wall material of the present invention uses the lifting device according to claim 1, wherein a first lifting jig, a second lifting jig, and an outer wall material support fixing member are provided on a frame member that is lifted and supported by a main wire. A method of lifting the outer wall material,
The frame member is lowered to the outer wall material at a predetermined position, the first lifting jig is connected to one end side of the outer wall material so as to be pivotable in the vertical direction, and other members of the outer wall material are supported by the support member of the second lifting jig. While supporting the end side and shortening the rope , the outer wall material is supported and fixed so as not to move in a horizontal posture with the outer wall material support fixing member,
Ascending the frame member with the main wire in the state described above, the outer wall material is raised along the building frame as one end side is close to the building frame and in a horizontal state, and when the predetermined height is reached, the frame member is stopped,
In this state, the outer wall material supporting and fixing by the outer wall material supporting and fixing member is released, and the rope is unwound by the rope take-up and unwinding machine of the second lifting jig , and the length of the rope is sequentially increased to increase the outer wall material. Are sequentially rotated downward with the connecting portion of the first lifting jig as a fulcrum,
When the outer wall material is in a vertical position, the rope winding and unwinding machine of the second lifting jig is stopped and the outer wall material is set in a vertical position to a predetermined height position of the building frame. Is the method.

In the outer wall material lifting method of the present invention, the driving and stopping of the rope winding and unwinding machine of the second lifting jig can be controlled from the building frame by remote control.

  If it does in this way, it is possible to make the outer wall material of a horizontal posture into a vertical posture by operating from a building frame.

According to the outer wall material lifting apparatus of the present invention, the outer wall material is lifted and supported on the frame member by the first and second lifting jigs, and the length of the second lifting jig is changed to change the outer wall material to the first lifting jig. It can be lifted and supported as a horizontal posture or a vertical posture by rotating up and down with respect to the tool.
Therefore, the outer wall material can be lifted and supported in a horizontal posture and lifted to the mounting height position, and then attached in a vertical posture.
In addition, when the outer wall material is in a horizontal posture, the outer wall material is supported and fixed so that the outer wall material does not move relative to the frame member, so when the outer wall material is lifted and supported in a horizontal posture, The outer wall material does not move.
In addition, the outer wall material can be lifted and supported in a horizontal posture by winding the rope with a rope winding and unwinding machine. I can support it.
Therefore, the outer wall material can be lifted and supported in the vertical posture by rotating the vertical winding and turning the outer wall material to the vertical posture by operating the rope winding and unwinding machine from the building frame side. Is easy to attach to the building frame.

  According to the outer wall material lifting method of the present invention, the outer wall material can be stably raised to a predetermined height in a horizontal posture, and the outer wall material raised to the predetermined height can be easily put into a vertical posture.

As shown in FIGS. 1, 2, and 3, the frame member 1, the first lifting jig 10 provided near one end of the frame member 1, and the second lifting provided near the other end of the frame member 1. The jig 20 and the outer wall material support fixing member 30 fixed to the frame member 1 constitute an outer wall material lifting device.
The frame member 1 is lifted and supported by a main wire 2 that is lifted and lowered by a tower crane or the like. The frame member 1 is preferably supported by being lifted in a horizontal posture, but is not necessarily in a horizontal posture.
The frame member 1 according to this embodiment has weights 4 attached to both ends in the longitudinal direction of the frame 3, and wire connecting portions 5 are provided in the longitudinal intermediate portion and the longitudinal other end of the frame 3, respectively. It is called a weight balancer that can be supported in a horizontal posture by connecting the main wire 2 to the wire connecting portion 5 and lifting and supporting the other end in the longitudinal direction of the frame member 1.
Note that the main wire 2 may be connected to both ends in the longitudinal direction of the frame member 1 and supported by lifting.

The first lifting jig 10 lifts and supports an outer wall material, for example, one end side of the curtain wall unit 40 (that is, the upper part in the vertical direction of the curtain wall unit 40) so as to be rotatable in the vertical direction. The above-described curtain wall unit 40 is a unit in which a panel, a shoji, and the like are provided on a frame body in which left and right vertical members and a plurality of horizontal members are connected.
For example, as shown in FIGS. 1 and 2, the first lifting jig 10 includes a lifting balance 11, a pair of upper wires 12 and 12 that lift and support the lifting balance 11 on the frame member 1, and the lifting balance 11. A pair of lifting jigs 14 supported by lifting with a lower wire 13 so as to be pivotable in the vertical direction are provided.
The suspension balance 11 is obtained by fixing vertical members 11b with bolts 11c on both sides in the longitudinal direction of the horizontal member 11a. The upper wire 12 and the lower wire 13 are connected to the upper and lower portions of the pair of vertical members 11b, respectively. Yes.
The pair of upper wires 12 are respectively connected to brackets 4 a fixed to weights 4 provided at one end of the frame member 1.
The hanging jig 14 is connected to the lower wire 13 so as to be rotatable in the vertical direction, and the upper part of the curtain wall unit 40 is detachably connected to the hanging jig 14. As a result, the curtain wall unit 40 is supported so as to be rotatable in the vertical direction with the connecting portion with the first lifting jig 10 as a fulcrum.

An example of a specific shape of the hanging jig 14 will be described.
As shown in FIGS. 1, 2, and 4, the hanging jig 14 has a vertical shape 14 a and a horizontal portion 14 b, and a lower wire 13 is connected to the upper portion of the vertical portion 14 a so as to be rotatable in the vertical direction. The
An upper indoor side surface 41 of the curtain wall unit 40 is installed on the lateral portion 14 b and connected with bolts 15.
The vertical portion 14 a of the hanging jig 14 has a U-shaped cross section at one side vertical plate 16 and the other side vertical plate 17, and the horizontal portion 14 b has one side horizontal plate 18 continuous with the one side vertical plate 16, The other side horizontal plate 19 which is continuous with the other side vertical plate 17 has a U-shaped vertical cross section, and a hole 16a for wire connection is formed near the upper part of the one side vertical plate 16, and the other side horizontal plate 19 has a bolt. An insertion hole 19a is formed.

The upper interior side surface 41 of the curtain wall unit 40 is placed in contact with the upper surface of the other side lateral plate 19, and bolts 15 are inserted from the lower surface of the other side lateral plate 19 through the bolt insertion holes 19a. Screw onto the top. For example, a back plate is inserted into the hollow portion of the vertical frame member forming the curtain wall unit 40, and the bolts 15 are screwed into the back plate.
As described above, when the curtain wall unit 40 is placed in a vertical posture together with the hanging jig 14 and is opposed to the building housing 50 as indicated by phantom lines in FIG.
Therefore, the operator can easily loosen the bolt 15 from the building housing 50 to separate the hanging jig 14 and the curtain wall unit 40, and the separation work is simple.

Further, the frame member 1 is called the above-described weight balancer, and the other end of the frame member 1 is lifted and supported by the main wire 2, and the curtain wall unit 40 is lifted and supported near the one end by a vertical posture. As shown by the phantom lines in FIG. 1, even when there is an overhanging portion 51 outside the building housing 50, the main wire 2 does not interfere with the overhanging portion 51 and the curtain wall unit 40 is lifted and supported close to the building housing 50. it can.
Therefore, the curtain wall unit 40 can be easily attached even when the overhanging portion 51 is present.

  In the above-described embodiment, the above-described hanging jig 14 has a central portion in the longitudinal direction of one side plate of a long material having a U-shaped cross section between the one side plate (16, 18) and the other side plate (17, 19). The V-shaped cutout is bent and bent at 90 degrees to weld the butted portion, but the bracket 14c is fixed with a bolt 14d to reinforce the welded portion.

The above-described suspension jig 14 and the curtain wall unit 40 may be connected using a fastener of the curtain wall unit 40.
For example, as shown in FIG. 5, a fastener 42 is fixedly attached to the upper indoor side surface 41 of the curtain wall unit 40 with a bolt 43, and the fastener 42 is connected to a fastener (not shown) fixed to a building frame. When the unit 40 is attached to the building frame, the connecting bracket 45 is fixed to the fastener 42 using the height adjustment bolt 44 of the fastener 42.
The connecting bracket 45 is fixed to the lateral member 14 b of the hanging jig 14 with bolts 15.

  The first lifting jig 10 described above is not limited to the above-described configuration, and is connected to a vertical member such as a vertical plate or a rod connected to one end of the frame member 1 and a lower member of the vertical member so as to be vertically rotatable. A hanging jig 14 may be used.

The second lifting jig 20 lifts and supports an outer wall material, for example, the other end side of the curtain wall unit 40 (that is, the lower portion in the vertical direction of the curtain wall unit 40), and changes the length thereof to change the curtain wall unit 40. The curtain wall unit 40 can be lifted and supported in the horizontal posture shown by the solid line in FIG. 1 and the vertical posture shown by the phantom line in FIG. It is.
That is, if it is lengthened, it becomes a vertical posture, and if it is shortened, it becomes a horizontal posture.
For example, the wire winding / unwinding machine 21 that is lifted and supported by the frame member 1, the wire 22 that is wound and unwound by the wire winding / unwinding machine 21, and the other end of the curtain wall unit 40. The supporting member 23 supported on the side is provided.
Then, by winding and shortening the rope 22, the curtain wall unit 40 is sequentially rotated upward, and is lifted and supported in a horizontal posture as shown by a solid line in FIG. 1.
By extending and extending the strip 22, the curtain wall unit 40 is sequentially rotated downward, and is lifted and supported in a vertical posture as indicated by a virtual line in FIG. 1. For example, the hanging jig 14 is sequentially rotated downward with respect to the lower wire 13, and the horizontal curtain wall unit 40 is rotated to the vertical attitude.

As the rope winding and unwinding machine 21, an electric chain block, a manual chain block, an electric winch, a manual winch or the like is used, but an electric chain block is preferable in terms of function.
And this rope winding and unwinding machine 21 enables the operator of the building housing 50 side to operate. For example, in the case of the electric type, the operation button is suspended from one end portion of the frame member 1 so that it can be operated from the building housing 50 side, or can be operated by remote control. It extends to one end of the member 1 so that it can be operated from the building housing 50 side.
The rope 22 is a chain in the case of a chain block, and a wire in the case of a winch.

The support member 23 has a high frictional resistance and is difficult to slide with respect to the curtain wall unit 40. For example, nylon thrilling is wrapped around the curtain wall unit 40 in a ring shape and connected to the rope 22.
Therefore, the curtain wall unit 40 is sequentially rotated downward by its own weight by extending the length of the rope 22 so that the curtain wall unit 40 is in a vertical posture as indicated by a virtual line in FIG. Sometimes, the support member 23 falls out of the curtain wall unit 40 and can be easily released.
Further, when the rope 22 is wound and shortened, the curtain wall unit 40 can be firmly lifted and supported in a horizontal posture as shown by a solid line in FIG.

  The support member 23 described above is not limited to the string-like object 23a, and may be a hook receiver attached to the curtain wall unit 40 and a hook provided on the rope 22, or a grip for holding and releasing the curtain wall unit 40. It is good also as a mechanism.

The outer wall material supporting and fixing member 30 is a rigid member that is fixedly attached to the frame member 1 so as not to move, and is supported and fixed so that the curtain wall unit 40 does not move relative to the frame member 1 in a horizontal posture. And cancel.
For example, a presser body 32 is provided at the lower part of the main body 31 fixed to the frame member 1, the presser body 32 is brought into contact with the upper surface 46 (outer side surface) of the curtain wall unit 40, and the above-mentioned cable 22 is wound up to thereby remove the curtain wall The upper surface 46 of the unit 40 is pressed against the presser 32 and supported and fixed so as not to move.
Thus, the curtain wall unit 40 can be supported and fixed so as not to move with respect to the frame member 1 in a horizontal posture by using the winding force of the rope 22, and the curtain wall unit 40 is extended by extending the rope 22. Since the supporting and fixing in the horizontal posture can be released to the vertical posture, the outer wall supporting and fixing member 30 does not need to be specially operated.
Moreover, the curtain wall unit 40 can be supported and fixed at the same time as the rope 22 is wound up and positioned in a horizontal posture.

As shown in FIG. 3, the main body 31 has a frame shape in which left and right vertical pipes 33 and a plurality of horizontal pipes 34 are connected by pipe joints 35, and a pressing body 32 is provided on the lowermost horizontal pipe 34.
The pressing body 32 is made of a material that does not damage the upper surface 46 when pressed against the upper surface 4b of the curtain wall unit 40. For example, it is made of an elastic material such as urethane.
In addition, in FIG. 3, illustration of the frame member 1, the rope winding and unwinding machine 21, etc. is omitted.

The outer wall material support fixing member 30 is provided closer to the other end of the frame member 1 than the second lifting jig 20 as shown in FIG.
In this way, it is possible to prevent the support member 23 of the second lifting jig 20 from being detached from the curtain wall unit 40.

  The outer wall material support fixing member 30 may be provided with a gripping mechanism at the lower portion of the main body 31 so that the curtain wall unit 40 is gripped by the gripping mechanism and supported and fixed so as not to move with respect to the frame member 1.

Next, an example of the procedure for attaching the curtain wall unit to the building frame at the construction site will be described.
The main wire 2 of the tower crane is connected to the frame member 1 so that the frame member 1 can be moved up and down by the tower crane.
The curtain wall unit 40 is placed in a horizontal posture and stands by.
The frame member 1 is lowered to the curtain wall unit 40 described above. The lifting jig 14 of the first lifting jig 10 is connected to the curtain wall unit 40 with bolts 15, and the curtain wall unit 40 is inserted into the support member 23 of the second lifting jig 20.
The rope 22 is wound up to bring the curtain wall unit 40 into a horizontal posture, and the upper surface 46 is pressed against the presser body 32 so that the outer wall material support member 30 supports the curtain wall unit 40 so as not to move with respect to the frame member 1. Fix it.
In this state, the main wire 2 of the tower crane is wound up and raised to a predetermined mounting height position.

When the curtain wall unit 40 reaches the predetermined mounting height position, the frame member 1 is stopped, the rope 22 of the second lifting jig 20 is fed out, and the curtain wall unit 40 is moved together with the hanging jig 14 with respect to the lower wire 13. It is sequentially rotated downward to have a vertical posture shown by phantom lines in FIG. 1 and attached to the building frame 50 while finely adjusting the height of the curtain wall unit 40.
When the curtain wall unit 40 is raised to a position slightly below the predetermined mounting height position, the rope 22 is fed out as described above to rotate the curtain wall unit 40 downward to a vertical posture. When the height position is reached, the frame member 1 may be stopped as described above, and the height of the curtain wall unit 40 may be finely adjusted and attached to the building frame 50.
After the curtain wall unit 40 is attached as described above, an operator on the building housing 50 side loosens the bolt 15 to separate the hanging jig 14 and the curtain wall unit 40, and a support member for the second lifting jig 20 If 23 does not fall out from the curtain wall unit 40, it is removed.
In this state, the frame member 1 is lowered by the tower crane.

  Although the curtain wall unit 40 has been described in the above embodiment, outer wall materials such as PC plates and stone plates can be lifted and supported in the same manner.

It is a front view of the outer wall material lifting apparatus which shows embodiment of this invention. It is a side view of the 1st lifting jig. It is a side view of a 2nd lifting jig and an outer wall support member. It is a perspective view of a hanging jig. It is a front view which shows other embodiment of a connection of a hanging jig and a curtain wall unit.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Frame member, 2 ... Main wire, 10 ... 1st lifting jig | tool, 14 ... Hanging jig | tool, 20 ... 2nd lifting jig | tool, 21 ... Rope unwinding machine, 22 ... Rope, 23 ... Support member 30 ... Outer wall material support and fixing member, 31 ... Main body, 32 ... Presser body, 40 ... Curtain wall unit (outer wall material), 50 ... Building housing.

Claims (5)

A frame member, and a first lifting jig, a second lifting jig, and an outer wall material support fixing member provided on the frame member,
The frame member is lifted and supported by a main wire and lifted and lowered,
The first lifting jig lifts and supports one end side of the outer wall material so as to be rotatable in the vertical direction,
The second lifting jig includes a wire reeling and unwinding machine supported by lifting and supporting the frame member, a wire, and a support member provided on the wire, and the other end side of the outer wall material is supported by the support member. The outer wall material is turned up and down with respect to the first lifting jig by winding and shortening the rope in the state, and the outer wall material becomes a horizontal posture, and the outer wall material is drawn out and lengthened. Is rotated vertically with respect to the first lifting jig so that the outer wall material is in a vertical posture,
The outer wall material supporting and fixing member is a member fixed to a frame member, and supports and fixes and releases the outer wall material so as not to move in a horizontal posture. The outer wall material support fixing member includes a main body fixed to the frame member, and a presser body provided at a lower portion of the main body,
The apparatus for lifting an outer wall material according to claim 1 , wherein when the outer wall material is in a horizontal posture, the upper surface and the presser are in contact with each other so that the outer wall material does not move. Lift and support the other end of the frame member with the main wire,
Close to one end of the frame member provided with a first lifting jig, the second lifting jig provided near the other end, the claims siding at near one end of the frame member is to be supported lifting in the vertical position The outer wall material lifting device according to 1 or 2 . A method of lifting an outer wall material using the lifting device according to claim 1, wherein a first lifting jig, a second lifting jig, and an outer wall material support fixing member are provided on a frame member that is supported by lifting with a main wire. ,
The frame member is lowered to the outer wall material at a predetermined position, the first lifting jig is connected to one end side of the outer wall material so as to be pivotable in the vertical direction, and other members of the outer wall material are supported by the support member of the second lifting jig. While supporting the end side and shortening the rope , the outer wall material is supported and fixed so as not to move in a horizontal posture with the outer wall material support fixing member,
Ascending the frame member with the main wire in the state described above, the outer wall material is raised along the building frame as one end side is close to the building frame and in a horizontal state, and when the predetermined height is reached, the frame member is stopped,
In this state, the outer wall material supporting and fixing by the outer wall material supporting and fixing member is released, and the rope is unwound by the rope take-up and unwinding machine of the second lifting jig , and the length of the rope is sequentially increased to increase the outer wall material. Are sequentially rotated downward with the connecting portion of the first lifting jig as a fulcrum,
When the outer wall material is in a vertical position, the rope winding and unwinding machine of the second lifting jig is stopped and the outer wall material is set in a vertical position to a predetermined height position of the building frame. Method. The method for lifting the outer wall material according to claim 4 , wherein the driving and stopping of the rope winding and unwinding machine of the second lifting jig are controlled by remote control from the building frame.

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