JP4605310B2 - Tower crane mount, tower crane support method, tower crane mount mounting structure - Google Patents

Description

The present invention relates to a tower crane mount for supporting a tower crane on a building frame, a tower crane support method , and a tower crane mount mounting structure .

  When constructing a building using a tower crane (climbing crane), several temporary beam members are bridged between the beam members constituting the building frame, and then the mast is supported on these temporary beam members. This was carried out by placing a tower crane mount (see Patent Document 1).

JP-A-8-59180

  However, since the load on the tower crane itself, the load on the temporary beams, the suspension load on the crane, and the like are relatively large, if the beam of the building frame is used as it is, these loads cannot be supported. For this reason, in order to increase the strength of the beam material on which the tower crane mount is installed, it is possible to increase the size of the beam material or to reinforce the beam material with a reinforcing material. There was a problem that the strength balance of the entire building frame deteriorated because the strength of the beam only increased compared to the beam. Moreover, since the beam material dimension of the said part becomes large, there existed a problem that space in buildings, such as a living room, became narrow.

An object of the present invention is to provide a tower crane gantry, a tower crane support method , and a tower crane gantry mounting structure that can be used without changing or reinforcing the dimensions of the beams constituting the building frame. .

The present invention is a tower crane gantry provided with a gantry body part that supports the mast of the tower crane and is attached to a pillar constituting the building frame .
A gantry body that supports the mast of the tower crane, a leg portion that protrudes laterally from the gantry body, and a mounting member that supports the leg portion and is attached to a pillar that constitutes the building frame,
The mounting member is disposed on one side of the pillar and supports the leg, and
An auxiliary part disposed on the other side opposite to the one side;
And a fastening part that fastens the support part and the auxiliary part to each other with the pillar interposed therebetween .

  According to the present invention, by attaching the gantry main body to the pillar of the building frame, the tower crane gantry is attached to the pillar having higher strength than the beam material. For this reason, since this tower crane mount can be supported without giving any reinforcement etc. with respect to a building frame, while maintaining the strength balance as the whole building frame, space in buildings, such as a living room, can fully be secured.

Also, mounting the mounting member to the pillar of building structures, by supporting the leg portion protruding from the gantry body laterally in the mounting member, mounting member tower crane, attached to high strength as compared with the beam members pillars Therefore, the tower crane gantry can be supported without applying any reinforcement to the building frame, so that the strength balance of the entire building frame can be maintained and sufficient space in the building such as a living room can be secured.

Further, the mounting member is disposed on one side surface of the pillar and supports the leg portion, an auxiliary portion disposed on the other side opposite to the one side surface, the support portion and the auxiliary portion. And the tightening part that fastens each other with the pillar interposed therebetween, so that the tower crane mount can be supported by the pillar of the building frame relatively easily by simply tightening the supporting part and the auxiliary part with the fastening part with the pillar interposed therebetween. At this time, the tightening portion is disposed on the side of the column, and a shaft-like member that passes through the insertion hole formed in the support portion and the insertion hole formed in the auxiliary portion, and the shaft shape A configuration including a nut member screwed to the member can be employed .

  Moreover, the said attachment member may be comprised so that attachment or detachment with respect to the said leg part is possible. According to such a structure, the attachment member from which a dimension differs according to the thickness of a pillar can be selected suitably, for example, and the versatility of the tower crane mount can be improved.

  In the tower crane mount described above, the mount body is attached to the leg portion so that the leg portion can be accommodated inside a horizontal frame surface composed of four beam members connected between the four adjacent columns. A configuration provided with a storage mechanism can be employed. In this case, the storage mechanism may be configured such that the leg portion and the gantry body are attached via a hinge. According to such a configuration, when the tower crane mount is moved to the upper floor, the leg is not collided with the horizontal frame by storing the leg inside the horizontal frame by the storage mechanism. It can be improved.

The tower crane support method of the present invention is a tower crane support method for supporting a mast of a tower crane by a mount attached to a pillar constituting a building frame ,
A support disposed on one side of the column and supporting a leg projecting laterally from a gantry body that supports the mast of the tower crane, and an auxiliary disposed on the other side opposite to the one side And a fastening member that fastens the support part and the auxiliary part to each other with the pillar interposed therebetween, and tightens the support part and the auxiliary part to each other by the fastening part with the pillar interposed therebetween. It attaches to the pillar which comprises a housing, and supports the said leg part with the said support part .

The tower crane mount mounting structure of the present invention is a tower crane mount mounting structure for mounting a tower crane mount to a building frame,
The tower crane pedestal has a gantry main body that supports the mast of the tower crane, a leg that protrudes laterally from the gantry main body, and an attachment that supports the leg and is attached to a pillar that constitutes the building frame. With members,
The mounting member is
A support part disposed on one side surface of the column to support the leg part;
An auxiliary part disposed on the other side opposite to the one side;
A fastening portion for fastening the support portion and the auxiliary portion to each other with the pillar interposed therebetween,
The attachment member is attached to a pillar constituting a building frame by fastening the support part and the auxiliary part to each other by the fastening part with the pillar interposed therebetween, and the leg part is supported by the support part. And

According to the tower crane mount, the tower crane support method, and the tower crane mount mounting structure of the present invention, the tower crane mount can be used without changing or reinforcing the dimensions of the beams constituting the building frame. In addition to maintaining the strength balance of the entire building frame, it is possible to sufficiently secure the space in the building such as a living room.

It is a front view which shows partially the tower crane which concerns on embodiment of this invention. It is a top view which shows the main stand which comprises the said tower crane. It is a side view which shows the said mount frame. It is an enlarged view which shows the detailed structure of the attachment member in FIG. It is a top view which shows the said attachment member of FIG.

  Hereinafter, a tower crane mount according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view partially showing a tower crane 1 according to an embodiment of the present invention. FIG. 2 is a plan view showing the main gantry 22 as the gantry main body constituting the tower crane 1. FIG. 3 is a side view showing the gantry 22.

As shown in FIG. 1 to FIG. 3, the tower crane 1 is attached to a building frame 100 composed of columns 101 and beams 102, and ascends itself from a lower floor to an upper floor of the building frame 100, thereby constructing a high-rise building. It is a mechanical device used for As shown in FIG. 1, the tower crane 1 includes an arm-shaped jib (not shown) for moving a suspended load, a mast 10 for supporting the jib, a mast 10 for supporting the mast 10 and a mast by a hydraulic cylinder or the like. And a pair of climbing mounts 20 as tower crane mounts that move up and down along the line 10.
The mast 10 is configured to be extendable and contractable by a hydraulic cylinder or the like.

  As shown in FIG. 1, the pair of climbing mounts 20 includes a temporary mount 21 for temporary installation and a main mount 22 positioned below the temporary mount 21, and both the temporary mount 21 and the main mount 22 are attached to the mast 10. Go up and down along. In such a pair of climbing mounts 20, the temporary mount 21 is lifted along the mast 10 and fixed to the beam 102, and then the main mount 22 is lifted along the mast 10 and fixed to the pillar 101, and then By extending the mast 10 from the gantry 22, the main gantry 22 can also be moved upward as the building frame 100 extends to the upper layer. For this reason, the high-rise floor of the building frame 100 can be constructed.

  The temporary mount 21 is a mount that is temporarily used as a substitute for the main mount 22 in order to raise and lower the main mount 22 along the mast 10, and as shown in FIG. 1, the temporary mount main body 211 and the temporary mount main body 211. And a leg portion 212 projecting from the leg portion 212. In the temporary mount 21, legs 212 are installed on the beam 102 of the building frame 100 to support the temporary mount main body 211. The leg portion 212 is configured to be housed inside a horizontal frame surface 110 (see FIG. 2) composed of four beams 102 connected to four adjacent columns 101.

  As shown in FIGS. 1 and 2, the gantry 22 is a pedestal that supports the entire tower crane 1 including the mast 10, and the gantry main body 30 that supports the mast 10, and protrudes laterally from the gantry main body 30. For example, four leg portions 40, a hinge 50 that rotatably connects the leg portion 40 to the gantry body 30, and a mounting member 60 that supports the leg portion 40 and is attached to the column 101 of the building housing 100. And.

  As shown in FIG. 2, the gantry body 30 includes an H-shaped body portion 31 that surrounds the periphery of the mast 10, and rod-like portions that are respectively attached to the upper and lower ends 31 </ b> A and 31 </ b> B in FIG. 2 of the body portion 31. 32.

  As shown in FIG. 2, the leg portion 40 is a rod-like member connected to both end portions 32A and 32B of the rod-like portion 32 via a hinge 50 as a storage mechanism. Rotate along a horizontal plane in range. Therefore, as shown in FIG. 2, the leg portion 40 is configured to be housed inside the horizontal frame surface 110 composed of the four beams 102 connected to the four adjacent columns 101.

  Next, the configuration of the mounting member 60 will be described with reference to FIG. The attachment member 60 is provided symmetrically on both the left and right sides in FIG. 3, but here, the attachment member 60 on the left side in FIG. 3 will be described. As shown in FIG. 3, the attachment member 60 is disposed on the right surface 101 </ b> A that is one side surface of the column 101 and supports the leg portion 40, and the left surface that is the other side surface opposite to the right surface 101 </ b> A of the column 101. The auxiliary part 80 arrange | positioned at 101B, and the clamping part 90 (FIG. 4) mentioned later which clamps the support part 70 and the auxiliary part 80 mutually on both sides of the pillar 101 are provided. The attachment member 60 can be attached to and detached from the leg portion 40 by changing the fastening strength by the fastening portion.

  Here, FIG. 4 is an enlarged view showing the detailed structure of the attachment member 60 of FIG. 3, and FIG. 5 is a plan view showing the attachment member 60 of FIG.

  As shown in FIG. 4, the support portion 70 includes a contact portion 71 that comes into contact with the right surface 101 </ b> A of the column 101, an overhang portion 72 that protrudes from the contact portion 71 to the right side in the drawing, and the overhang portion 72. A support plate 73 that is positioned above and is attached to the upper end portion of the contact portion 71 and a fixing member 74 that fixes the leg portion 40 to the support plate 73 are provided.

  As shown in FIG. 4, the contact portion 71 connects the contact plate 711 that contacts the right surface 101 </ b> A of the column 101, the counter plate 712 that faces the contact plate 711, the contact plate 711, and the counter plate 712. And three connecting plates 713 (713A to 713C) extending in the horizontal direction.

  As shown in FIG. 5, insertion holes are formed on both end portions of the contact plate 711 and on both end portions of the opposing plate 712 to insert a shaft-shaped member 91 described later that extends along the plane of the connecting plate 713. ing. Also, as shown in FIG. 4, the connecting plate 713 is a first connecting plate 713A, a second connecting plate 713B, and a third connecting plate 713C in order from the top, and in the first connecting plate 713A and the second connecting plate 713B, An insertion hole 713X is formed on the upper and lower end sides in FIG. A plurality of bundles for reinforcing each connection plate 713 are attached between the first connection plate 713A and the second connection plate 713B and between the second connection plate 713B and the third connection plate 713C. .

  As shown in FIG. 4, the overhanging portion 72 includes two overhanging plates 721 (721A, 721B) formed so that the first connecting plate 713A and the second connecting plate 713B protrude to the right side of the opposing plate 712. ) And a connecting plate 722 that connects these overhanging plates 721. Further, as shown in FIG. 5, the upper projecting plate 721A and the lower projecting plate 721B are inserted into positions corresponding to the insertion holes 713X formed in the first connecting plate 713A and the second connecting plate 713B. A hole 721X is formed.

  As shown in FIG. 4 or 5, the support plate 73 is a plate material that supports the leg portion 40 via a spacer 73 </ b> A. The support plate 73 is formed with a size smaller than the size of a rectangular plane surrounded by the two insertion holes 721X formed in the overhanging plate 721 and the two insertion holes 713X formed in the connecting plate 713. .

  As shown in FIG. 2 or 4, the fixing member 74 includes a pressing member 741 that presses the leg portion 40 toward the support plate 73, a through hole 741 </ b> A formed in the pressing member 741, and an insertion hole 721 </ b> X of the overhang plate 721. , A shaft-like member 742 that passes through the through-hole 741A and the insertion hole 713X of the connecting plate 713 in the vertical direction, a second connecting plate 713B, and a lower overhang And a nut member 744 screwed into the shaft-like members 742 and 743 on the lower surface of the plate 721B.

  As shown in FIG. 4, the auxiliary portion 80 includes six channel members 81 having a U-shaped cross section that are stacked in the vertical direction, and three spacer members 82 that are arranged between the channel members 81. The material 81 and the spacer member 82 are welded, for example.

  As shown in FIG. 4, each channel member 81 includes a horizontal plate 81A and a pair of vertical plates 81B suspended from both ends of the horizontal plate 81A, and the opposing portion of the horizontal plate 81A serves as an opening 81X. ing. As shown in FIG. 4, when six channel members 81 are channel members 811 to 816 in order from the top, the respective channel members 811 to 816 are arranged so that the openings 81X are alternately directed upward or downward. Has been. Specifically, the channel material 811, 813, 815 has the opening 81 </ b> X on the upper side, and the channel material 812, 814, 816 has the opening 81 </ b> X on the lower side. Also, as shown in FIG. 5, each channel member 811 to 816 is formed with a plurality of connecting plates 81C extending between a pair of vertical plates 81B, thereby preventing the vertical plates 81B from being deformed.

  As shown in FIG. 5, each spacer member 82 is an H-shaped member having a shorter length dimension and substantially the same width dimension as the channel member 81, and a pair of a horizontal plate 82 </ b> A and a pair of spacer members 82. Vertical plate 82B. Each spacer member 82 is disposed at a substantially central portion in the longitudinal direction of the channel member 81 in a state where the horizontal plate 82A is inserted between the horizontal plates 81A of the respective channel members 811 to 816. Specifically, as shown in FIG. 4, the horizontal plate 82A (FIG. 5) of the spacer member 82 is provided between the channel members 811 and 812, between the channel members 813 and 814, and between the channel members 815 and 816, respectively. Has been placed. For this reason, as shown in FIGS. 4 and 5, three gaps 80 </ b> X corresponding to the thickness dimension of the horizontal plate 82 </ b> A are formed side by side on the end portions 80 </ b> A and 80 </ b> B side of the auxiliary portion 80. These gaps 80X correspond to insertion holes in claims, and shaft members 91 described later are inserted into the gaps 80X.

  As shown in FIG. 4, the vertical plate 82B of each spacer member 82 straddles between the vertical plates 81B between the channel members 811 and 812, between the channel members 813 and 814, and between the channel members 815 and 816, respectively. In contact. Thus, the channel members 811 to 816 are prevented from being displaced in the horizontal direction between the channel members 811 and 812, between the channel members 813 and 814, and between the channel members 815 and 816.

  As shown in FIGS. 4 and 5, the tightening portion 90 includes a shaft-shaped member 91 such as a PC steel bar disposed on each of the upper side surface 101 </ b> C and the lower side surface 101 </ b> D of the column 101, and the shaft-shaped member 91. And nut members 92 that are screwed to both ends 91A and 91B. The shaft-like member 91 is inserted through the insertion hole of the contact plate 711 constituting the support portion 70, the insertion hole of the opposing plate 712, and the gap 80 </ b> X formed in the auxiliary portion 80.

The gantry 22 is attached to the pillar 101 as follows.
First, the support part 70 is attached to the leg part 40 in advance. Specifically, the pressing member 741 is disposed on the upper surface portion of the leg portion 40, the shaft-like member 742 is inserted into the through hole 741A of the pressing member 741 and the insertion hole 721X of the overhanging plate 721, and further the through hole 741A. Further, the shaft member 743 is inserted into the insertion hole 713X of the connecting plate 713, and the nut member 744 is screwed into these shaft members 742, 743. The above operation is performed for all the leg portions 40.

  Next, the leg portion 40 is extended by the hinge 50 and the contact portion 71 of the support portion 70 is brought into contact with the right surface 101A of the column 101, and then the auxiliary portion 80 is disposed on the left surface 101B of the column 101. The shaft-shaped member 91 is inserted through the insertion holes of the contact plate 711 and the counter plate 712 constituting the support portion 70 and the gap 80X formed in the auxiliary portion 80. Thereafter, the nut member 92 is screwed and tightened to both ends 91 </ b> A and 91 </ b> B of the shaft-like member 91, thereby fixing the attachment member 60 to the column 101. In this way, the main frame 22 is attached to the column 101. Thereby, the tower crane 1 is attached to the building frame 100.

  In addition, when raising and lowering the main frame 22, it is possible to move up and down within the horizontal frame 110 by carrying out the procedure reverse to the above procedure and folding the leg portion 40.

The present embodiment has the following effects.
(1) The mounting member 60 is attached to the pillar 101 of the building frame 100, and the mounting member 60 supports the leg portion 40 projecting laterally from the mounting body 30 of the main mounting base 22. Therefore, the main frame 22 can be supported without applying any reinforcement to the building housing 100. Therefore, it is possible to maintain the strength balance of the entire building housing 100 and to secure a sufficient space in the building such as a living room.

  (2) Since the support part 70 and the auxiliary part 80 are fastened by the fastening part 90 with the pillar 101 in between, the main frame 22 can be installed on the pillar 101 of the building housing 100 relatively easily, and the workability can be improved. . At this time, the fastening portion 90 is configured to be fastened by screwing the nut member 92 to the shaft-like member 91, so that the installation of the main mount 22 is facilitated.

  (3) Since the attachment member 60 and the leg 40 can be attached and detached, for example, the attachment member 60 having a different size can be appropriately selected according to the thickness of the column 101, and the versatility of the gantry 22 can be improved.

  (4) Since the leg portion 40 is housed in the horizontal frame surface 110 by the hinge 50, the leg frame 40 does not collide with the horizontal frame surface 110 when the main frame 22 is raised or lowered. The workability of lifting and lowering work can be improved.

In addition, this invention is not limited to the said embodiment, Including other structures etc. which can achieve the objective of this invention, the deformation | transformation etc. which are shown below are also contained in this invention. For example, in the said embodiment, although the material of each member which comprises the attachment member 60 is not specifically limited, For example, members with high rigidity, such as steel, are employable.
Also, in the above embodiment, although a detachable and attachment member 60 and the leg portion 40 is not limited to this, for example, it may be fixed to the mounting member 60 to the leg 40.
Moreover, in the said embodiment, although the hinge 50 was employ | adopted as a storage mechanism, it is not restricted to this, For example, it is good also as a structure which the leg part 40 slides to the mount main body 30 side with a hydraulic cylinder etc., and is expanded-contracted.

DESCRIPTION OF SYMBOLS 1 Tower crane 10 Mast 20 A pair of climbing mount 21 Temporary mount 22 Main mount 30 Mount main body 40 Leg part 50 Hinge as a storage mechanism 60 Mounting member 70 Support part 70X Space | gap 80 as an insertion hole formed in the support part 80 Auxiliary part 80X Gap as insertion hole formed in auxiliary part 90 Tightening part 91 Shaft member 92 Nut member 100 Building housing 101 Column 101A Right side 101B which is one side Left side 102 which is the other side Beam 110 Horizontal frame

Claims (4)

A tower crane gantry equipped with a gantry body that supports the mast of the tower crane and is attached to a pillar constituting the building frame .
A gantry body that supports the mast of the tower crane, a leg portion that protrudes laterally from the gantry body, and a mounting member that supports the leg portion and is attached to a pillar that constitutes the building frame,
The mounting member is
A support part disposed on one side surface of the column to support the leg part;
An auxiliary part disposed on the other side opposite to the one side;
A tower crane pedestal comprising: a fastening part that fastens the support part and the auxiliary part to each other across the pillar . The tower crane mount according to claim 1 ,
The tower crane mount is characterized in that the mounting member is configured to be detachable from the leg portion. A tower crane supporting method for supporting a mast of a tower crane by a mount attached to a pillar constituting a building frame ,
A support disposed on one side of the column and supporting a leg projecting laterally from a gantry body that supports the mast of the tower crane, and an auxiliary disposed on the other side opposite to the one side And a fastening member that fastens the support part and the auxiliary part to each other with the pillar interposed therebetween, and tightens the support part and the auxiliary part to each other by the fastening part with the pillar interposed therebetween. A tower crane supporting method, wherein the tower crane is attached to a pillar constituting a frame and the leg portion is supported by the support portion . A tower crane mount mounting structure for mounting a tower crane mount on a building frame,
The tower crane pedestal has a gantry body that supports the mast of the tower crane, a leg portion that protrudes laterally from the gantry body, and an attachment that supports the leg portion and is attached to a pillar that constitutes the building frame. With members,
The mounting member is
  A support part disposed on one side surface of the column to support the leg part;
An auxiliary part disposed on the other side opposite to the one side;
A fastening portion for fastening the support portion and the auxiliary portion to each other with the pillar interposed therebetween,
The attachment member is attached to a pillar constituting a building frame by fastening the support part and the auxiliary part to each other by the fastening part with the pillar interposed therebetween, and the leg part is supported by the support part. The mounting structure of the tower crane mount.

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