CN113911932A - Tower crane supporting structure and implementation method - Google Patents
Tower crane supporting structure and implementation method Download PDFInfo
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- CN113911932A CN113911932A CN202111444440.2A CN202111444440A CN113911932A CN 113911932 A CN113911932 A CN 113911932A CN 202111444440 A CN202111444440 A CN 202111444440A CN 113911932 A CN113911932 A CN 113911932A
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- steel
- tower crane
- girder steel
- roof beam
- concrete
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
- B66C23/208—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided from the side, e.g. by walls of buildings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a tower crane supporting structure and an implementation method, wherein the tower crane supporting structure is installed in a core barrel of a building, the core barrel comprises a shear wall, at least one pair of concrete connecting beams horizontally arranged at intervals are arranged on the shear wall, and the tower crane supporting structure comprises: the two ends of the steel truss are respectively arranged on the concrete connecting beam, the number of the steel trusses is two, and the two steel trusses are arranged in parallel; the secondary beam is arranged between the two steel trusses, and the two steel trusses are connected through the secondary beam. According to the tower crane supporting structure, the original reinforced concrete fixing mode is changed into the steel truss mode, the steel truss is light in self weight and large in span, the reliability is guaranteed, meanwhile, the mounting and dismounting processes are simplified, the concrete structure is not damaged, the mounting and dismounting steps are greatly simplified, materials can be recycled, energy is saved, the environment is protected, and the safety is high.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a tower crane supporting structure and an implementation method.
Background
Along with the high-speed development of cities in recent years, commercial complexes and super high-rise buildings are more and more, the capital pressure of developers is higher, the construction progress of the commercial complexes is faster, the developers do not need to complete the construction of the super high-rise buildings beside the commercial complexes in order to ensure the capital recovery and do business before the commercial complexes are constructed, the externally-attached tower crane which is originally arranged needs to be dismantled because the commercial shopping center needs to do business in advance, but the main structure of the super high-rise tower beside the commercial complexes is not constructed, the tower crane is an essential vertical transportation machine in the construction, and in order to ensure the smooth construction of the super high-rise buildings in the later period, the original tower crane needs to be hung, converted and reset. However, the existing internal climbing tower crane usually adopts reinforced concrete as the foundation of the tower crane, which is very troublesome to dismantle and can generate a large amount of garbage. Therefore, how to simplify the assembly and disassembly process of the inner climbing tower crane is a problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention mainly aims to provide a tower crane supporting structure and an implementation method thereof, and aims to solve the problem that an inner climbing type tower crane in the prior art is complex in assembly and disassembly process.
In order to achieve the above object, according to one aspect of the present invention, there is provided a tower crane support structure installed in a core tube of a building, the core tube including a shear wall having at least one pair of concrete coupling beams horizontally spaced apart from each other, the tower crane support structure comprising: the two ends of the steel truss are respectively arranged on the concrete connecting beam, the number of the steel trusses is two, and the two steel trusses are arranged in parallel; the secondary beam is arranged between the two steel trusses, and the two steel trusses are connected through the secondary beam.
Further, the steel truss includes: the upper flange steel beam, the lower flange steel beam, the straight web member steel beam and the inclined web member steel beam are arranged above the lower flange steel beam, the straight web member steel beam is connected with the upper flange steel beam and between the lower flange steel beams, and the inclined web member steel beam is connected with the upper flange steel beam and between the lower flange steel beams.
Further, the first end of oblique web member girder steel is connected straight web member girder steel with go up flange girder steel hookup location department, oblique web member girder steel second end is connected adjacently straight web member girder steel with flange girder steel hookup location department down.
Further, the concrete is even the roof beam and is included first even roof beam and second even roof beam, first even roof beam with the second is even the roof beam and sets up relatively, the first end setting of top flange girder steel is in on the first even roof beam, the second end setting of top flange girder steel is in on the second is even the roof beam.
Further, the concrete is roof beam even still includes that the third links roof beam and the fourth links the roof beam, the third link the roof beam with the fourth links the roof beam and sets up relatively, the third links the roof beam to be located the below of first roof beam, the fourth links the roof beam to be located the below of second even roof beam, the first end setting of lower flange girder steel is in on the third links the roof beam, the second end setting of lower flange girder steel is in on the fourth links the roof beam.
Further, tower crane bearing structure still includes: the first embedded parts are respectively arranged on all the concrete connecting beams; the first connecting plate is arranged on a first embedded part on the first connecting beam, and the first end of the upper flange steel beam is connected to the first connecting plate; and the second connecting plate is arranged on the first embedded part on the third connecting beam, and the first end of the lower flange steel beam is connected to the second connecting plate.
Further, tower crane bearing structure still includes: the first limiting frame is arranged on a first embedded part of the second connecting beam, the second end of the upper flange steel beam is in limiting fit with the first limiting frame, and the first limiting frame is used for limiting the movement of the upper flange steel beam in the vertical direction; the second limiting frame is arranged on the first embedded part of the fourth connecting beam, the second end of the lower flange steel beam is in limiting fit with the second limiting frame, and the second limiting frame is used for limiting the movement of the lower flange steel beam in the vertical direction.
Further, tower crane bearing structure still includes: the pull rod is connected to the steel truss, and the steel truss is connected with the shear wall through the pull rod.
Furthermore, a second embedded part is arranged in the shear wall, and the pull rod is connected with the second embedded part.
According to another aspect of the invention, a construction method for the tower crane support structure is provided, which comprises the following steps: s10: pouring a shear wall and a concrete connecting beam of the core barrel, and embedding embedded parts in the shear wall and the concrete connecting beam before pouring; s20: installing two steel trusses on a poured concrete connecting beam, and fixedly connecting the trusses with the embedded parts; s30: fixing the two steel trusses through the secondary beam; s40: and the steel truss is connected with the embedded part through the connecting rod.
By applying the technical scheme of the invention, the original fixing mode of the reinforced concrete is changed into a mode of adopting the steel truss, the steel truss has light self weight and large span, the reliability is ensured, meanwhile, the installation and disassembly processes are simplified, when in installation, only the processed section bar needs to be hoisted into a floor, the installation of the steel truss is completed through splicing and welding, when in disassembly, the section bar is cut, dismantled, hoisted and taken out of the field according to hoisting calculation, the concrete structure does not need to be damaged, the installation and disassembly steps are greatly simplified, the material can be recycled, the energy is saved, the environment is protected, and the safety is higher.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a tower crane support structure according to a first embodiment of the invention; and
FIG. 2 is a schematic structural diagram of a steel truss of a tower crane support structure according to a first embodiment of the invention;
fig. 3 shows an assembly view of a steel truss, a first connecting beam and a third connecting beam of the tower crane support structure according to the first embodiment of the invention;
fig. 4 shows an assembly view of a steel truss, a second coupling beam and a fourth coupling beam of the tower crane support structure according to the first embodiment of the invention;
fig. 5 shows a schematic structural diagram of a first embedded part of a tower crane support structure according to a first embodiment of the invention.
Wherein the figures include the following reference numerals:
10. a shear wall; 20. connecting the concrete beams; 21. a first coupling beam; 22. a second coupling beam; 23. a third connecting beam; 24. a fourth coupling beam; 30. a steel truss; 31. an upper flange steel beam; 32. a lower flange steel beam; 33. a straight web bar steel beam; 34. a diagonal web member steel beam; 40. a secondary beam; 51. a first embedded part; 52. a second embedded part; 61. a first connecting plate; 62. a second connecting plate; 63. a first limit frame; 64. a second limit frame; 70. a pull rod.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, in the first embodiment of the present invention, a tower crane support structure is provided, which is installed in a core tube of a building, the core tube includes a shear wall 10, the shear wall 10 has at least one pair of concrete connecting beams 20 horizontally arranged at intervals, the tower crane support structure includes a steel truss 30 and a secondary beam 40, two ends of the steel truss 30 are respectively arranged on the concrete connecting beams 20, two steel trusses 30 are provided, and the two steel trusses 30 are arranged in parallel; the secondary beam 40 is disposed between the two steel trusses 30, and the two steel trusses 30 are connected by the secondary beam 40. According to the tower crane supporting structure, the original reinforced concrete fixing mode is changed into the mode of the steel truss 30, the steel truss 30 is light in self weight and large in span, the mounting and dismounting processes are simplified while the reliability is guaranteed, when the tower crane supporting structure is mounted, only the processed section bar needs to be hoisted into a building layer, the steel truss 30 is mounted through splicing and welding, when the tower crane supporting structure is dismounted, the section bar is cut, dismounted, hoisted and taken out of a field according to hoisting calculation, the concrete structure does not need to be damaged, the mounting and dismounting steps are greatly simplified, materials can be recycled, energy is saved, the environment is protected, and the safety is higher.
It should be noted that, as shown in fig. 1, at least one concrete coupling beam 20 is provided on the shear wall 10 on the left side in fig. 1, at least one concrete coupling beam 20 is also provided on the shear wall 10 on the right side in fig. 1, the two concrete coupling beams 20 have the same height in the vertical direction, and are spaced and parallel in the horizontal direction, and the steel trusses 30 are provided on the two concrete coupling beams 20.
As shown in fig. 2, the steel truss 30 includes an upper flange steel beam 31, a lower flange steel beam 32, a straight web steel beam 33, and a diagonal web steel beam 34, the upper flange steel beam 31 is disposed above the lower flange steel beam 32, the straight web steel beam 33 is connected between the upper flange steel beam 31 and the lower flange steel beam 32, and the diagonal web steel beam 34 is connected between the upper flange steel beam 31 and the lower flange steel beam 32. Through setting up top flange girder steel 31, bottom flange girder steel 32 and connecting between top flange girder steel 31, bottom flange girder steel 32 through straight web member girder steel 33 and oblique web member girder steel 34, the atress system is simple, has bending resistance reinforce, and the bearing capacity is big, can bear the very big vertical load that the jib type tower crane brought to improve security and reliability. Preferably, the diagonal web member steel beams 34 are connected at a first end thereof at a connection position of the straight web member steel beam 33 and the upper flange steel beam 31, and the diagonal web member steel beams 34 are connected at a connection position of the adjacent straight web member steel beam 33 and the lower flange steel beam 32 at a second end thereof, thereby improving load-bearing performance.
In this embodiment, as shown in fig. 3 and 4, the concrete coupling beam 20 includes a first coupling beam 21, a second coupling beam 22, a third coupling beam 23, and a fourth coupling beam 24, the first coupling beam 21 and the second coupling beam 22 are disposed opposite to each other, a first end of the upper flange steel beam 31 is disposed on the first coupling beam 21, and a second end of the upper flange steel beam 31 is disposed on the second coupling beam 22. The third is even roof beam 23 and is located the below of first even roof beam 21, and fourth even roof beam 24 is located the below of second even roof beam 22, and the first end setting of bottom flange girder steel 32 is on third even roof beam 23, and the second end setting of bottom flange girder steel 32 is on fourth even roof beam 24. In order to improve the load capacity of the steel truss 30, when the concrete coupling beams 20 are poured, four concrete coupling beams 20, that is, a first coupling beam 21, a second coupling beam 22, a third coupling beam 23 and a fourth coupling beam 24, are required to be poured, the first coupling beam 21 and the second coupling beam 22 are arranged in parallel, two ends of an upper flange steel beam 31 are respectively connected to the first coupling beam 21 and the second coupling beam 22, the third coupling beam 23 is arranged below the first coupling beam 21, the fourth coupling beam 24 is arranged below the first coupling beam 21, two ends of a lower flange steel beam 32 are respectively connected to the third coupling beam 23 and the fourth coupling beam 24, and the load can be uniformly distributed on the four concrete coupling beams 20 through the steel truss 30 and the concrete coupling beams 20, so that the load capacity is improved.
Further, the tower crane supporting structure further comprises first embedded parts 51, a first connecting plate 61 and a second connecting plate 62, wherein the first embedded parts 51 are respectively arranged on all the concrete connecting beams 20; the first connecting plate 61 is arranged on the first embedded part 51 on the first connecting beam 21, and the first end of the upper flange steel beam 31 is connected to the first connecting plate 61; the second connecting plate 62 is arranged on the first embedded part 51 on the third connecting beam 23, and the first end of the lower flange steel beam 32 is connected to the second connecting plate 62. The first connecting plate 61 is welded on the first embedded part 51 of the first connecting beam 21, and the first end of the upper flange steel beam 31 is welded on the first connecting plate 61, so that the upper flange steel beam 31 and the first connecting beam 21 are fixedly connected. The second connecting plate 62 is welded to the first embedded part 51 of the third coupling beam 23, and the first end of the lower flange steel beam 32 is welded to the second connecting plate 62, so that the upper flange steel beam 31 and the first coupling beam 21 are fixedly connected. Preferably, the first connecting plate 61 and the second connecting plate 62 are both steel plates,
further, the tower crane supporting structure further comprises a first limiting frame 63 and a second limiting frame 64, the first limiting frame 63 is arranged on the first embedded part 51 of the second connecting beam 22, the second end of the upper flange steel beam 31 is in limiting fit with the first limiting frame 63, and the first limiting frame 63 is used for limiting the movement of the upper flange steel beam 31 in the vertical direction; the second limiting frame 64 is arranged on the first embedded part 51 of the fourth connecting beam 24, the second end of the lower flange steel beam 32 is in limiting fit with the second limiting frame 64, and the second limiting frame 64 is used for limiting the movement of the lower flange steel beam 32 in the vertical direction. The first embedded parts 51 on the second connecting beam 22 are welded with steel plates, polytetrafluoroethylene plates are padded on the steel plates, the second ends of the upper flange steel beams 31 are arranged on the polytetrafluoroethylene plates in a sliding mode, the number of the first limiting frames 63 is two, the first limiting frames 63 are L-shaped, the two first limiting frames 63 are oppositely arranged and are welded on the first embedded parts 51 on the second connecting beam 22 at the same time, the two first limiting frames 63 and the first embedded parts 51 form clamping grooves of inverted T-shaped grooves in a surrounding mode, the second ends of the upper flange steel beams 31 are movably arranged in the clamping grooves, friction coefficients among the steel plates are reduced by utilizing the characteristics of the polytetrafluoroethylene plates, the first limiting frames 63 are used for limiting the movement of the second ends of the upper flange steel beams 31 in the vertical direction, since the upper flange steel girder 31 can move in its own length direction with respect to the second coupling girder 22, the lateral force transmitted from the steel girder 30 to the concrete coupling girder 20 can be largely eliminated.
In a similar way, the first embedded parts 51 on the fourth connecting beam 24 are welded with steel plates, polytetrafluoroethylene plates are padded on the steel plates, the second ends of the lower flange steel beams 32 are arranged on the polytetrafluoroethylene plates in a sliding mode, the number of the second limiting frames 64 is the same as that of the first limiting frames 63 in an installation mode, the second ends of the lower flange steel beams 32 are movably arranged in clamping grooves formed by the two second limiting frames 64 and the corresponding first embedded parts 51, and the lateral force of the steel truss 30, which is transmitted to the concrete connecting beam 20, can be greatly eliminated.
Further, the tower crane support structure further comprises a pull rod 70, the pull rod 70 is connected to the steel truss 30, and the steel truss 30 is connected with the shear wall 10 through the pull rod 70. It should be noted that the pull rod 70 is welded on the outer side of the steel truss 30, the pull rod 70 is connected with the shear wall 10, the horizontal force of the steel truss 30 is balanced, the steel material is Q355B, all-welded connection is adopted, and the welding mode is carbon dioxide arc welding. In addition, the tie rods 70 may be connected to the concrete coupling 20 for further improvement of reliability. It should be noted that a second embedded part 52 is arranged in the shear wall 10, and the tie rod 70 is connected to the second embedded part 52.
It should be further noted that, as shown in fig. 5, the first embedded part 51 and the second embedded part 52 both use small-section i-shaped steel as an anchor rod, and under the condition that the stress requirement of the truss is met, the steel bar penetrating requirement of the concrete beam steel bar is considered, so that the concrete beam steel bar embedded structure is integrally embedded, and the construction is convenient.
According to another aspect of the invention, the invention also discloses a construction method for the tower crane support structure, which comprises the following steps: s10: pouring the shear wall 10 and the concrete connecting beam 20 of the core barrel, and embedding the embedded parts in the shear wall 10 and the concrete connecting beam 20 before pouring; s20: installing two steel trusses 30 on the poured concrete coupling beam 20, and fixedly connecting the trusses with the embedded parts; s30: the two steel trusses 30 are fixed by the secondary beam 40; s40: and the steel truss 30 is connected with the embedded part through the connecting rod.
It should be noted that, for different field situations, the shear steel plates need to be additionally arranged in the concrete beam in the core tube, and the shear wall 10 in the core tube is provided with reinforcing bars in an increased manner, so as to improve the strength of the shear wall and ensure the safety and reliability. Before the steel truss 30 is installed, the concrete of the main body structure is reinforced, the strength is ensured to reach 100%, and the design value of the counter force acting on the main body structure in the use process of the tower crane is not larger than the counter force limit value of the foundation support of the tower crane; flaw detection is carried out on the welding position of the tower crane foundation after construction is completed, the tower crane foundation can be used only after the detection is qualified, stress-strain detection on the concrete connecting beam 20 and the steel truss 30 in the core cylinder is enhanced in the use process of the tower crane, and use safety is ensured.
From the above description, it can be seen that the above embodiments of the present invention are convenient to install and dismantle, shorten the construction period of the foundation, can recycle materials, have high safety, and can improve the utilization rate of the tower crane.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a tower crane bearing structure installs in the core section of thick bamboo of building, a core section of thick bamboo includes shear force wall (10), the concrete that has at least a pair of horizontal interval on shear force wall (10) sets up is roof beam (20) even, a serial communication port, tower crane bearing structure includes:
the two ends of the steel truss (30) are respectively arranged on the concrete connecting beam (20), the number of the steel truss (30) is two, and the two steel trusses (30) are arranged in parallel;
the secondary beam (40), the secondary beam (40) sets up two between the steel truss (30), two the steel truss (30) pass through the secondary beam (40) are connected.
2. The tower crane support structure of claim 1,
the steel truss (30) comprises: top flange girder steel (31), bottom flange girder steel (32), straight web member girder steel (33) and oblique web member girder steel (34), top flange girder steel (31) set up the top of bottom flange girder steel (32), straight web member girder steel (33) are connected top flange girder steel (31) with between bottom flange girder steel (32), oblique web member girder steel (34) are connected top flange girder steel (31) with between bottom flange girder steel (32).
3. The tower crane support structure of claim 2,
oblique web member girder steel (34) first end is connected straight web member girder steel (33) with top flange girder steel (31) hookup location department, oblique web member girder steel (34) second end is connected adjacent straight web member girder steel (33) with bottom flange girder steel (32) hookup location department.
4. The tower crane support structure of claim 2,
concrete is even roof beam (20) is including first even roof beam (21) and second even roof beam (22), first even roof beam (21) with second even roof beam (22) sets up relatively, the first end setting of top flange girder steel (31) is in on first even roof beam (21), the second end setting of top flange girder steel (31) is in the second is even on roof beam (22).
5. The tower crane support structure of claim 4,
concrete is roof beam (20) even still includes that the third links roof beam (23) and fourth and links roof beam (24), the third link roof beam (23) with fourth links roof beam (24) and sets up relatively, the third links roof beam (23) and is located the below of first roof beam (21), fourth links roof beam (24) and is located the below of second link roof beam (22), the first end setting of lower flange girder steel (32) is in the third links on roof beam (23), the second end setting of lower flange girder steel (32) is in on fourth links roof beam (24).
6. The tower crane support structure of claim 5, further comprising:
the first embedded parts (51), the first embedded parts (51) are respectively arranged on all the concrete coupling beams (20);
the first connecting plate (61), the first connecting plate (61) is arranged on a first embedded part (51) on the first connecting beam (21), and the first end of the upper flange steel beam (31) is connected to the first connecting plate (61);
the second connecting plate (62) is arranged on the first embedded part (51) on the third connecting beam (23), and the first end of the lower flange steel beam (32) is connected to the second connecting plate (62).
7. The tower crane support structure of claim 6, further comprising:
the first limiting frame (63) is arranged on a first embedded part (51) of the second connecting beam (22), the second end of the upper flange steel beam (31) is in limiting fit with the first limiting frame (63), and the first limiting frame (63) is used for limiting the movement of the upper flange steel beam (31) in the vertical direction;
the second limiting frame (64) is arranged on a first embedded part (51) of the fourth connecting beam (24), the second end of the lower flange steel beam (32) is in limiting fit with the second limiting frame (64), and the second limiting frame (64) is used for limiting the movement of the lower flange steel beam (32) in the vertical direction.
8. The tower crane support structure of claim 6, further comprising:
the pull rod (70), the pull rod (70) is connected on the steel truss (30), and the steel truss (30) is connected with the shear wall (10) through the pull rod (70).
9. The tower crane support structure of claim 8, further comprising:
a second embedded part (52) is arranged in the shear wall (10), and the pull rod (70) is connected with the second embedded part (52).
10. A construction method for the tower crane support structure of any one of claims 1 to 9, characterized by comprising the steps of:
s10: pouring a shear wall (10) and a concrete connecting beam (20) of the core barrel, and embedding embedded parts in the shear wall (10) and the concrete connecting beam (20) before pouring;
s20: installing two steel trusses (30) on the poured concrete coupling beam (20), and fixedly connecting the trusses with the embedded parts;
s30: fixing the two steel trusses (30) by secondary beams (40);
s40: the steel truss (30) on the connecting rod is connected with the embedded part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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