WO2009093835A2

WO2009093835A2 - Lifting frame for a crane using a truss member

Info

Publication number: WO2009093835A2
Application number: PCT/KR2009/000302
Authority: WO
Inventors: Du Hee Kim
Priority date: 2008-01-22
Filing date: 2009-01-20
Publication date: 2009-07-30
Also published as: WO2009093835A3; KR20090080898A; KR100928341B1

Abstract

The present invention relates to a lifting frame arranged in such a way that it can be used in the lifting of materials such as steel reinforcement and steel skeletons using a crane. In particular, it is arranged in such a way that the empty weight of the lifting frame can be minimised even though it comprises a simple structure stabilised through the use of a truss member. One suitable form of embodiment of the present invention provides a lifting frame for a crane using a truss member which comprises: a pair of truss members which have respectively been integrally produced; a plurality of support members which, when the said truss members have been erected so as to face each other, are provided linked leaving a predetermined space at the lower part of the said truss members; frame-maintaining members provided on both ends of the truss members; and an upper lifting member which is joined in an attachable and detachable fashion to the upper parts of the truss members, and which, together with the frame-maintaining members, ensures maintenance of form during carriage and lifting and separates off after lifting.

Description

Crane lifting frame using truss member

The present invention relates to a lifting frame that can be used to lift a material such as rebar and steel frame by using a crane, and in particular, by using a truss member to minimize the weight of the lifting frame while having a simple and stable structure. .

Generally, cranes are used as a means of lifting materials such as reinforcing steel and steel frame, which are heavy weights in the construction of high-rise buildings, but lifting rebars and steel frames are managed separately, so it takes much time for loading and unloading, as well as crane work. In consideration of efficiency, there was a problem that cannot determine the optimal weight of the material to be lifted. In fact, in the case of steel frame, it takes a lot of time because one or two cranes are lifted regardless of size and weight.

In addition, in recent years, although rebars are processed in factories and only assembly methods are performed on the site without separate processing and cutting operations, the rebars processed in factories according to the design may be used. It does not contribute significantly to the improvement of assembly work productivity in the field.

In order to solve this problem, the present applicant has proposed Korean Patent No. 10-0736383 for the slab construction method and Korean Patent No. 10-0736282 for the construction method of the prefabricated beam, and the present invention to improve the utilization thereof. To come out.

In addition, the applicant of the prior art classifies the material of the rebar and steel frame in consideration of the requirements and the workability of the crane and put it into a separately manufactured frame to be loaded and unloaded, using a crane The present invention has been made in view of the fact that it can be solved by lifting. In particular, the present invention has been completed in a manner using a truss member to solve the problem that the weight of the mold into which the material is placed may cause problems due to the transportation and lifting of the mold itself.

The problem to be solved by the present invention is to store the materials such as reinforcing steel and steel frame in a state classified in consideration of the workability of the requirements and the crane, and the truss member to be easily lifted using the crane as well as loading and unloading It is to provide a lifting frame for the crane used.

Another problem to be solved by the present invention is to improve productivity by minimizing the transport distance of the worker when transporting the reinforcing bars in the required place by lifting and loading the reinforcing bar by the required place after the ground processing of the factory or site.

Another problem to be solved by the present invention is to improve the productivity of the worker and the crane by lifting a plurality of pre-assembled prosthesis at the same time.

Another problem to be solved by the present invention is to improve the productivity of the operator and crane by lifting the number of pre-assembled reinforcing bars used in the column and wall construction at the same time upright lifting lifting frame.

Another problem to be solved by the present invention is to facilitate the storage by folding the lifting frame.

According to a preferred embodiment of the invention, each pair of truss members integrally manufactured; A plurality of support members installed at regular intervals at a lower portion of the truss member while the truss member is erected to face each other; Frame holding members installed at both ends of the truss member; And detachably coupled to the upper portion of the truss member to maintain the form during transport and lifting with the frame holding member and lifting the crane frame using a truss member including an upper lifting member that is separated after lifting. do.

According to another suitable embodiment of the present invention, the upper lifting member is a plurality of support members that are assembled at regular intervals on top of the truss member, and between the support members are coupled to be orthogonal to the support members and the rectangular frame with the support member Consists of a plurality of connecting members to make.

According to another suitable embodiment of the present invention, the upper lifting member is composed of a plurality of support members assembled at regular intervals on top of the truss member, and reinforcing members connected to both ends of the support members in an intersecting state. .

According to another suitable embodiment of the present invention, the truss member, the frame holding member and the supporting member are integrally manufactured by welding the contacts of each member by welding.

According to another suitable embodiment of the present invention, a protrusion having a through hole inwardly is formed in the truss member, and a coupling part is formed on both sides of the support member to be rotatably coupled to the through hole by the shaft member.

According to still another preferred embodiment of the present invention, wheel members may be provided on both lower portions of the truss members.

According to another suitable embodiment of the present invention, a wire mesh or metal lath is coupled to the pair of truss members and the support member.

According to another suitable embodiment of the present invention, a protrusion having a through hole inwardly is formed at the engaging portion of the truss member, and the engaging portion formed at both sides of the frame holding member, the supporting member and the supporting member is formed as a shaft member in the through hole. Combined to be rotatable.

According to another suitable embodiment of the present invention, the length of the frame holding member, the supporting member and the supporting member corresponding to the width of the truss member is made shorter than the spacing of the supporting member.

According to another suitable embodiment of the present invention, the rotational direction of the frame holding member by the shaft member is made perpendicular to the coupling structure of the upper portion of the frame holding member.

According to another suitable embodiment of the present invention, between the supporting members is further provided with an auxiliary supporting member which rotation is constrained.

According to another suitable embodiment of the present invention, the frame holding member is formed in a rectangular frame shape.

According to another suitable embodiment of the present invention, reinforcing wires intersecting with each other are provided at the corners of the frame holding member of the rectangular frame shape.

According to another suitable embodiment of the present invention, an auxiliary member consisting of two frame members positioned opposite to each other and a pair of vertical members connecting them to each other is further provided on both sides of the truss member.

According to another suitable embodiment of the present invention, the frame member forming one side of the auxiliary member is rotatably coupled outward with respect to the pair of vertical members.

According to another suitable embodiment of the present invention, a plurality of auxiliary horizontal members or a plate member are coupled between a pair of vertical members of the auxiliary member.

According to another suitable embodiment of the present invention, a plurality of auxiliary vertical members or plates are further installed between the frame holding members, and fixed to connect the phase currents of the pair of truss members with a predetermined interval to the frame holding members. The member is further installed and the frame holding member and the fixing member are connected to each other by a tension member.

According to another suitable embodiment of the present invention, the truss member is further provided with a support frame having a spaced leg where a bottom and a space are formed.

The lifting frame of the present invention is designed to minimize its own weight using a truss member. The time can be shortened by reducing the number of times compared with the case of transporting individually, and the rebar structures pre-assembled to install the columns and walls can be easily installed together with the lifting frame to facilitate the construction work as well. By using the structure to minimize the weight of the lifting frame itself is a useful invention that has the effect of allowing the worker to transport the lifting frame without using a separate transport means.

In addition, when reinforcing bar reinforcement in the field by classifying and loading the reinforcing bar by the location, the productivity can be improved by minimizing the carrying distance of workers when transporting heavy reinforcing bar, and at the same time a large number of pre-assembled reinforcing bars used in the construction of beams, columns and walls By lifting, the productivity of the worker and the crane can be improved.

In addition, in the field work of the reinforcing truss integrated formwork, which is a factory product, by assembling on the ground to stack a number of lifting, it is possible to improve the safety of workers and cranes by reducing the productivity of aerial work.

1 is a view showing various specifications of the lifting frame according to the present invention.

2 is a partial exploded perspective view showing a first embodiment of the present invention.

3 is a front view showing an embodiment of the truss member of the present invention.

Figure 4 is a view showing a state in which the lifting frame of the present invention loaded on the vehicle (a) is a side view and (b) is a rear view.

5 is a view showing a state of lifting the lifting frame of the present invention.

Figure 6 (a) is a front view showing a state in which the wheel is installed in the lifting frame of the present invention and Figure 6 (b) is a perspective view showing a state in which the metal lath is installed in the lifting frame of the present invention.

7 is a partial exploded perspective view showing a modification of the first embodiment of the present invention.

8 is a partially exploded perspective view showing a second embodiment of the present invention.

9 is a plan view showing a method of folding the lifting frame in the second embodiment of the present invention.

10 is a partially exploded perspective view showing a modification of the second embodiment of the present invention.

11 is a plan view showing a lifting frame folding method in a modification of the second embodiment of the present invention.

12 is an exemplary view showing a coupling state of the truss member and the frame holding member of the present invention.

13 is a view showing a state in which the frame holding member of the present invention is configured in a rectangular frame to facilitate the assembly.

Figure 14 is a perspective view showing a prefabricated rebar auxiliary member of the present invention.

15 is a view for explaining a state of standing up after lifting the pre-assembled rebar using the auxiliary member of the present invention.

Figure 16 is a perspective view showing another embodiment of the prefabricated rebar auxiliary member of the present invention.

17 is a view showing a lifting frame placed on the support frame of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Detailed description of the embodiments of the present invention will now be given based on the accompanying drawings.

The lifting frame for crane according to the present invention is manufactured in various sizes by appropriately adjusting the distance and height of a pair of truss members in consideration of the length of the reinforcing steel or steel frame, the width of the transport vehicle and the lifting capacity of the crane. Can be. Figure 1 shows an example of several specifications of the lifting frame for a crane that can be constructed in accordance with the present invention. Hereinafter, for convenience of description, the configuration of the crane lifting frame of the standard shown in FIG. 1 (a) will be described in detail.

2 is a perspective view showing the lifting frame for a crane according to the first embodiment of the present invention.

Referring to FIG. 2, the crane lifting frame according to the first embodiment of the present invention includes a pair of truss members 10 integrally manufactured; A frame holding member (20) installed at both ends in a state in which the truss member (10) is erected to face each other; A plurality of support members 30 connected to the bottom of the truss member 10 at regular intervals; And a support member detachably coupled to the upper portion of the truss member 10 and between the plurality of support members 41 and the support members 41 assembled at the upper portion of the truss member 10 at regular intervals. The upper lifting member 40 is composed of a plurality of connecting members 42 coupled to orthogonal to the (41) to make a rectangular frame with the support member 41.

In this embodiment, the truss member 10, the frame holding member 20 and the supporting member 30 are integrally manufactured by welding the contacts of each member by welding, and the upper lifting member 40 and the shaft member 16 The fastening member 17 is configured to freely disassemble and assemble the truss member 10.

The truss member 10 shows a state of applying the known warren truss type in which the upper chord 11, the lower chord 12, and the inclined member 13 are integrally installed between the upper chord 11 and the lower chord 12. However, a truss structure of a warren truss type having a pratt truss shown in FIG. 3 (a), a haw truss shown in FIG. 3 (b) and a vertical member shown in FIG. 3 (c) is a truss member 10 of the present invention. Of course it can be used as.

The frame holding member 20 is welded perpendicularly to the longitudinal direction of the truss member 10 at the upper and lower ends of the longitudinal ends of the pair of truss members 10 which are spaced apart from each other to face the truss member 10. ) And one side of the structure formed by the support member 30 is configured in the form of a closed structure coupled to both ends.

The supporting member 30 is coupled to the lower portion of the pair of truss members 10 to maintain the spacing between the truss members 10 and serves as a support on which reinforcing bars or steel frames are placed. The upper surface of the support member 30 is preferably scratched or coated with an anti-slip rubber.

The upper lifting member 40 is composed of a support member 41 and the connection member 42 is coupled to the truss member 10 to be detachable and rotated. The upper lifting member 40 maintains the shape of the lifting frame during transport and lifting with the frame holding member 20 and is separated after lifting so that the material can be easily taken out. The truss member 10 has a protrusion 15 having a through hole 14 inwardly formed therein, and a coupling part 411 formed at both sides of the support member 41 is formed by the shaft member 16 in the through hole 14. The upper lifting member 40 can be separated from the truss member 10 by separating the fastening member 17 which is coupled to rotate and fastened to the shaft member 16.

In the lifting frame of the present embodiment configured as described above, before the upper lifting member 40 is coupled, the reinforcing member and the steel frame are placed on the supporting member 30, and the engaging portion 411 of the supporting member 41 is placed on the truss member 10. When combined using the shaft member 16 and the fastening member 17 to the protrusion 15 of the reinforcing bar and steel frame is stored in each of the required places in the lifting frame of the present embodiment Figure 4 is the lifting material is stored as described above Figure (a) is a side view showing the state loaded on the vehicle and (b) is a rear view showing the state loaded on the vehicle for transporting the frame to the site.

The lifting frame stored in such a state that the material is put is made by lifting and unloading and lifting the crane by lifting the lifting wire 52 so that the balance can be maintained as shown in FIG. At this time, the truss member 10 serves to support the weight of the material applied through the support member 30. Further, by installing a brace member 43 for diagonally connecting the contacts of the support member 41 and the connection member 42 of the upper lifting member 40 can improve the shape stability of the upper lifting member 40 more. .

Meanwhile, as shown in FIG. 6A, wheel members 50 may be installed at both lower portions of the truss member 10 of the present invention to be easily movable even in a state where materials are loaded. And as shown in Figure 6 (b), between the pair of truss member 10 and the support member 30, that is, the wire mesh or metal lath 60 is coupled to the bottom of the lifting frame to be loaded on the lifting frame Prevent material from falling.

7 is a perspective view showing a modification of the lifting frame for a crane according to the first embodiment of the present invention.

Referring to FIG. 7, the crane lifting frame according to the present embodiment includes a pair of truss members 10 integrally manufactured; A frame holding member (20) installed at both ends in a state in which the truss member (10) is erected to face each other; A plurality of support members 30 connected to the bottom of the truss member 10 at regular intervals; Both sides of the support members 41 are detachably coupled to the upper portion of the truss member 10, and intersect with the plurality of support members 41 assembled at regular intervals on the top of the truss member 10. It consists of an upper lifting member (40a) consisting of a reinforcing member 44 connected to the end.

Crane lifting frame according to the present embodiment is different from the configuration of the crane lifting frame and the upper lifting member according to the first embodiment described above, the remaining truss member 10, the frame holding member 20 and the supporting member 30 ) Are the same, so detailed description thereof will be omitted. The upper lifting member 40a according to the present embodiment is connected to both ends of the support members 41 in a state intersecting with the plurality of support members 41 assembled at regular intervals on the top of the truss member 10. The member 44 is comprised.

The truss member 10 has a protrusion 15 having a through hole 14 inwardly formed therein, and a coupling part 411 formed at both sides of the support member 41 is formed by the shaft member 16 in the through hole 14. The upper lifting member 40a can be separated from the truss member 10 by separating the fastening member 17 which is coupled to rotate and fastened to the shaft member 16.

The reinforcing member 44 serves to reduce the horizontal deformation or the horizontal twist by improving the horizontal strength of the lifting frame. The reinforcing member 44 may be made of a wire, a steel, a steel bar, or a steel pipe. FIG. 7 illustrates a case in which the reinforcing member is formed of a wire, and a turnbuckle 441 is installed at both sides of the wire 44 and the coupling part 411 is coupled to the shaft member 16 at the support member 41. The turnbuckle 441 bolts may be installed by installing coupling pins 412 into which the bolts are inserted. In the case where the reinforcing member is formed of a section steel or the like, the joining portion 411 may be welded or bolted together.

In the lifting frame of the present embodiment configured as described above, before the upper lifting member 40a is coupled, a material such as rebar and steel frame is placed on the support member 30 and the coupling portion 411 of the support member 41 is truss member 10. When coupled to the protrusion 15 of the shaft member 16 and the fastening member 17 by using the turnbuckle 441 so that the two reinforcing members 44 intersect and install the coupling pin 412 of the present embodiment Rebars and steel frames are stored in the lifting frame according to the requirements.

In order to take out the material from the lifting frame of the present invention lifted by a crane, the upper lifting member 40a must be separated from the truss member 10. The supporting member 41 can rotate about the shaft member 16. Since it is coupled so as to disassemble only the shaft member 16 coupled to one side, the support member 41 is rotated about the other shaft member 16 to open the upper lifting frame so that the material can be taken out.

8 is a view showing a second embodiment that can be folded when storing the lifting frame of the present invention, which is shown in the through hole (inward) to the engaging portion of the truss member 10 in the above-described embodiments as shown A protrusion 15 having a protrusion 14 is formed to protrude, and

coupling portions

21, 31, and 411 formed at both sides of the frame holding member 20, the support member 30, and the support member 41 are through holes 14. ) Is coupled to the shaft member 16 to be rotated in the horizontal direction.

The length L1 of the frame holding member 20, the supporting member 30, and the supporting member 41 corresponding to the width of the truss member 10 is shorter than the spacing L2 of the supporting member 30. Can be folded completely.

In the second embodiment of the present invention, the lifting frame is coupled to the fastening member 17 by tightening the coupling portion 21 of the frame holding member 20 to the shaft member 16 at both ends of the truss member 10. To form a constant shape and then combine the coupling portion 31 of the support members 30 to the lower chord (12).

In this state, a material such as steel or steel is placed on the supporting member 30, and the coupling portion 411 of the supporting member 41 is coupled to the truss member 10 with the shaft member 16, and then two reinforcing members 44 are provided. If the installation is connected to the coupling pin 412 using the turnbuckle 441 so as to cross the reinforcement and steel frame in the salvage frame of the present invention to be stored by the required place of storage and loading, unloading and lifting work of the first embodiment Same as in the example.

In the second embodiment of the present invention, loosely adjusting the tightening state of the fastening member 17 and disassembling the upper lifting member 40, the frame holding member 20 around the shaft member 16 as shown in FIG. It is easy to store the lifting frame itself because the supporting member 30 including the rotation is folded to date.

In the above, although the upper lifting member 40 for the convenience of description, the lifting frame is folded as a variation of the embodiment consisting of the support member 41 and the reinforcing member 44, but the upper lifting member ( The same applies to the case where the 40 is composed of the supporting member 41 and the connecting member 42. In the first embodiment, loosely adjusting the tightening state of the fastening member 17 and removing the upper lifting member 40 rotates the supporting member 30 including the frame holding member 20 about the shaft member 16. Will be folded to date.

FIG. 10 shows a modification of the second embodiment which allows the lifting frame of the present invention to be folded during storage, which is the support member 30 in the second embodiment especially when the spacing between the truss members is wide. The auxiliary support member (30a) is fixed so as not to rotate horizontally between. Auxiliary support member (30a) is fixed to the rotation is formed with a protrusion piece 121 having a through hole in the engaging portion of the truss member 10, the end plate 32 is coupled to both ends of the support member (30a) and the end The shaft 32 is coupled to the through hole by engaging the coupling piece 33 having a through hole in the plate 32 and fastening the fastening member 17.

Thus, by assembling the auxiliary support member (30a) to be horizontally constrained rotation has the advantage that the assembly work of the lifting frame becomes more simple. And when folding the lifting frame according to the present embodiment, as shown in Figure 11 to remove the auxiliary support member (30a) is constrained rotation and fastening member (30) to enable the rotation of the support member (30) freely rotated ( 17) by loosening the support member 30 including the frame holding member 20 around the shaft member 16 is rotated and folded to date.

12 shows the rotation direction of the frame holding member 20 by the shaft member 16 at right angles to each other, that is, the rotation direction of the frame holding member coupled to the top chord 11 of the truss member 10. By vertically and horizontally rotating the frame holding member coupled to the lower chord 12, the frame shape can be maintained even with the truss member 10 and the frame holding member 20 without tightening the fastening member 17. Figure 3 shows a third embodiment.

This is to facilitate the assembly work of the support member 30 and the support member 40 because the frame shape is maintained only by combining the truss member 10 and the frame holding member 20.

FIG. 13 is a view illustrating a fourth embodiment of the present invention for easily assembling the lifting frame itself by configuring the frame holding member 20 in a rectangular frame, as shown in FIG. 13 (a). The frame holding member 20 of the rectangular frame shape is coupled to the truss member 10 by the shaft member 16 to be rotatable in the horizontal direction, or as shown in FIG. 13 (b), the frame holding member 20 of the rectangular frame shape. One of the upper and lower portions of the frame member may be rotatably coupled in the vertical direction by the shaft member 16. The upper and lower portions of the frame holding member 20 may be vertically rotated by the shaft member 16 in the vertical direction. When rotatably coupled, the lifting frame can be folded in a state where the frame holding member 20 is disassembled. And reinforcing wire 53 is provided at the corner of the frame holding member 20 of the rectangular frame shape to cross each other. The reinforcing wire functions as a kind of vertical brace, and the material is not necessarily limited to the wire, and a steel, a steel bar, or a steel pipe may be used.

14 is a view showing an auxiliary member 70 installed on one side of the lifting frame of the present invention to support the prefabricated reinforcing steel structure used for the wall or the column when standing vertically after lifting.

It consists of two

frame members

71 and 72 facing each other and a pair of vertical members 73 connecting them to each other, the frame member 72 forming one side is a pair of vertical members 73 As shown in Figure 14 to rotate so as to rotate outward to facilitate the storage operation of the pre-assembled rebar. It is preferable that the

frame members

71 and 72 install a brace as shown, but the present invention is not limited to the installation of the brace, but to maintain the shape of the frame member such as to install the ear beam. Various reinforcement structures known in the art can be applied. A plurality of auxiliary horizontal members 731 are coupled between the pair of vertical members 73 to support the prefabricated rebar structure. For this purpose, the auxiliary member 70 may be manufactured to couple the plate between the pair of vertical members 73 to block the open surface. The auxiliary member 70 is coupled to one side of the lifting frame of the present invention, and the supporting member 41 is placed adjacent to the side of the pair of vertical members 73 and the plurality of auxiliary horizontal members 731. And the lifting wire 52 is combined. In this state, as shown in FIG. 15, one side of the truss member 10 is lifted upright and then lifted, and then the upper lifting member is removed to facilitate the storage of the prefabricated reinforcing bars, and the plurality of prefabricated rebars. This can be assembled at the required location.

16 shows another embodiment of the auxiliary member 70. As shown in FIG. 16, in order to reduce the weight of the auxiliary member made of the frame member, simply install the fixing member 74 and fix the fixing member 74 and the frame holding member 20 to a tension member such as a wire 741 or a steel bar. The auxiliary member may be configured by connecting to the. The fixing member 74 connects the upper chords 11 of the pair of truss members 10 with a predetermined interval with the frame holding member 20. The fixing member 74 is coupled to the upper chords 11 of the pair of truss members 10 using bolts. In order to support the prefabricated reinforcing bar structure, a plurality of auxiliary vertical members 211 connecting the frame holding members 20 to each other may be further coupled or plate members may be combined.

FIG. 17 is a view showing a state in which the lifting frame of the present invention is placed on a support frame 80 having a spaced leg 81 after lifting the lifting frame to the required position, wherein the spaced leg 81 is disposed between the support frame 80 and the floor formwork. It forms a space to facilitate the reinforcement work of the floor smoothly.

The present invention has been described above with reference to the accompanying drawings, but is not limited thereto, and various modifications may be made without departing from the spirit of the present invention.

The present invention is a very useful invention that can store materials such as reinforcing steel and steel frame in a state classified in consideration of workability and crane workability, and can be easily lifted using a crane as well as loading and unloading.

Claims

A pair of truss members each formed integrally;

A plurality of support members installed at regular intervals at a lower portion of the truss member while the truss member is erected to face each other;

Frame holding members installed at both ends of the truss member; And

Removably coupled to the upper portion of the truss member to maintain the shape during transport and lifting with the frame holding member and lifting crane for a crane using a truss member including an upper lifting member to be separated after lifting.
The method of claim 1, wherein the upper lifting member is a plurality of support members assembled at regular intervals on the top of the truss member, a plurality of connections coupled to orthogonal to the support members between the support members to form a square frame with the support member Lifting frame for crane using a truss member, characterized in that composed of members.
The truss member according to claim 1, wherein the upper lifting member comprises a plurality of support members assembled at regular intervals on the top of the truss member, and a reinforcing member connected to both ends of the support members in an intersecting state. Lifting frame for crane.
The crane lifting frame according to any one of claims 1 to 3, wherein the truss member, the frame holding member and the supporting member are integrally manufactured by welding the contacts of each member by welding. .
4. The truss member according to claim 3, wherein a protrusion having a hole inwardly protrudes from the truss member, and a coupling part is formed at both sides of the support member to be rotatably coupled to the through hole by a shaft member. Lifting frame for crane.
The lifting frame for a crane using a truss member according to claim 1, wherein wheel members are provided on both lower portions of the truss members.
The lifting frame for a crane using a truss member according to claim 1, wherein the pair of truss members and the supporting member are connected to a wire mesh or metal lath to prevent a load drop of the lifting frame.
The method according to claim 1, wherein the protrusion having a through hole in the inner side of the engaging portion of the truss member is formed, and the coupling portion formed on both sides of the frame holding member, the supporting member, the support member is coupled to the through hole to be rotated by the shaft member. Lifting frame for crane using a truss member characterized in.
The lifting frame for a crane using a truss member according to claim 8, wherein lengths of the frame holding member, the supporting member, and the supporting member corresponding to the width of the truss member are shorter than the spacing of the supporting member.
The lifting frame for a crane using a truss member according to claim 8, wherein a rotational direction of the frame holding member by the shaft member is vertically formed in the coupling structure of the upper part of the frame holding member.
The lifting frame for a crane using a truss member according to claim 8, wherein an auxiliary supporting member for which rotation is restricted is further provided between the supporting members.
The crane lifting frame using a truss member according to claim 1 or 8, wherein the frame holding member is formed in a rectangular frame shape.
The lifting frame for a crane using a truss member according to claim 12, wherein reinforcing wires intersecting each other are provided at edges of the frame holding member having a rectangular frame shape.
The crane using a truss member according to claim 1 or 8, wherein an auxiliary member consisting of two frame members facing each other and a pair of vertical members connecting them to each other is further provided on both sides of the truss member. Lifting frame.
The lifting frame for a crane using a truss member according to claim 14, wherein the frame member forming one side of the auxiliary member is coupled to rotate outward with respect to the pair of vertical members.
The lifting frame for crane using a truss member according to claim 14, wherein a plurality of auxiliary horizontal members are coupled or a plate is coupled between the pair of vertical members.
The apparatus of claim 1 or 8, wherein a plurality of auxiliary vertical members or plates are further installed between the frame holding members, and a fixing member which connects the phase currents of the pair of truss members with the frame holding member at a predetermined interval to each other. The lifting frame for the crane using a truss member, characterized in that the frame holding member and the fixing member is connected to each other by a tension member.
The lifting frame for a crane using a truss member according to claim 1 or 8, further comprising a support frame having a spaced leg in which a bottom and a space are formed when the truss member is placed.