CN111056453A - Installation method of climbing part of internal climbing tower crane - Google Patents
Installation method of climbing part of internal climbing tower crane Download PDFInfo
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- CN111056453A CN111056453A CN201911350869.8A CN201911350869A CN111056453A CN 111056453 A CN111056453 A CN 111056453A CN 201911350869 A CN201911350869 A CN 201911350869A CN 111056453 A CN111056453 A CN 111056453A
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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
- B66C23/26—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/283—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides an installation method of a climbing part of an internal climbing tower crane, which comprises the steps of firstly carrying out modular design on the climbing part, dividing the climbing part into a plurality of modules, then mechanically assembling and reducing the modules into the climbing part at the installation position of a tower crane body, fixing the climbing part on a tower crane standard section and providing supporting force for the internal climbing of the tower crane. According to the climbing component, the climbing component is divided into the modules, and then the modules are assembled and restored during application, so that the installation of the climbing component is not limited by space, the construction problem that the climbing component cannot be installed in a narrow space is effectively solved, and the construction period is shortened.
Description
Technical Field
The invention relates to the technical field of super high-rise building engineering construction, in particular to a method for installing a climbing part of an internal climbing tower crane.
Background
In the field of super high-rise building construction, an internal climbing tower crane becomes vertical transportation equipment commonly used at present, and the installation of climbing parts of the internal climbing tower crane is a great problem in the field. With the diversification of the structural form of the super high-rise building, the core tube structure is more irregular and the space is more economical, so that the installation of the climbing part is restricted. When the engineering is implemented, if a conventional 'pouring from top to bottom' installation method is adopted, the horizontal distance between the standard knot of the tower crane and the shear wall or the steel platform needs to be ensured to be larger than 2 times of the width of the climbing part. Due to economic considerations, shaft clearance dimensions are determined in elevator size modules in more and more super high-rise buildings at present, and steel platforms are increasingly applied in super high-rise buildings, so that climbing parts cannot be installed according to conventional installation methods.
Disclosure of Invention
The invention aims to provide an installation method of a climbing part of an internal climbing tower crane, and the installation method is used for solving the problem that the climbing part of the internal climbing tower crane in a narrow space in the prior art cannot be installed.
In order to solve the technical problem, the invention provides an installation method of a climbing part of an internal climbing tower crane, which is suitable for installing the climbing part of the internal climbing tower crane in a narrow space and comprises the following steps:
step S1, performing modular design on the climbing part, and dividing the climbing part into a plurality of modules;
and step S2, mechanically assembling the modules at the installation position of the tower crane body to restore the modules into climbing parts.
Optionally, step S1 includes:
preliminarily determining the module segmentation position, the module size and the installation sequence of the climbing part according to the actual working conditions;
modeling integrally, and performing construction simulation analysis;
the module segment locations, module sizes, and installation order of the climbing components are ultimately determined.
Optionally, step S2 includes:
determining the assembly nodes among the modules according to the module segmentation positions and the module sizes;
and mechanically assembling a plurality of modules at the installation position according to the assembly nodes and the installation sequence, and restoring the assembled modules into the climbing part.
Optionally, the climbing part is divided into 4 modules, including a main frame module, a connection block module, a connection rod module and a connection plate module;
the splicing node comprises: the main frame module and the first node of assembling between even board module, the main frame module with the node is assembled to the second between the connecting block module, the third between connecting block and the connecting rod module is assembled the node.
Optionally, each of the modules is connected by a high-strength bolt.
Optionally, the method further comprises the following steps:
step S3, installing an unsupported self-overturning device by utilizing the tower crane body and the civil engineering steel platform;
in step S2, vertically tipping each module to the installation position of the tower crane body through the unsupported self-tipping device, and mechanically splicing and restoring the modules into climbing members.
Optionally, the unsupported self-overturning device comprises a power system and a guiding device, wherein the power system is used for realizing the lifting action of each module, and the guiding device is used for realizing the overturning action of each module.
Optionally, in step S3, an operation platform is installed in the first tower crane standard section of the tower crane body, and the power system is installed on the operation platform.
Optionally, the power system includes a winch, the guiding device includes a first fixed pulley, a second fixed pulley, a third fixed pulley and a movable pulley, the winch is arranged on the operation platform, the first fixed pulley and the second fixed pulley are arranged in parallel on the side edge of a second tower crane standard knot of the tower crane tower body, the second standard knot is located below the operation platform, the third fixed pulley is arranged on the civil engineering steel platform, the movable pulley is arranged below the third fixed pulley, the winch is connected with the first fixed pulley, the first fixed pulley and the second fixed pulley, the second fixed pulley and the third fixed pulley, and the third fixed pulley and the movable pulley are connected through a steel wire rope.
Optionally, there is a pair of the self-overturning devices, and the pair of self-overturning devices are arranged in parallel.
The installation method of the climbing part of the internal climbing tower crane provided by the invention has the following beneficial effects:
firstly, the climbing part is subjected to modular design, the climbing part is divided into a plurality of modules, then the modules are mechanically assembled and reduced into the climbing part at the installation position of the tower crane body, and the climbing part is fixed on a standard section of the tower crane and provides supporting force for climbing in the tower crane. According to the climbing component, the climbing component is divided into the modules, and then the modules are assembled and restored during application, so that the installation of the climbing component is not limited by space, the construction problem that the climbing component cannot be installed in a narrow space is effectively solved, and the construction period is shortened.
Drawings
FIG. 1 is a schematic flow chart of an installation method of an internal climbing tower crane climbing part according to an embodiment of the invention;
FIG. 2 is a block diagram illustrating the modular design and construction joint design of a climbing member according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an unsupported self-dumping device according to an embodiment of the present invention;
FIG. 4 is a schematic view of an installation of an unsupported self-dumping device according to an embodiment of the invention;
wherein the reference numerals of figures 2 to 4 are as follows:
1-a main frame module; 2-connecting block module; 3-a link module; 4-a link plate module; 5-a first splicing node; 6-a second splicing node; 7-a third assembly node; 01-a winch; 02-a first fixed pulley; 03-a second fixed pulley; 04-a third fixed pulley; 05-a movable pulley; 10-civil steel platform.
Detailed Description
The following provides a further detailed description of the installation method of the climbing part of the internal climbing tower crane according to the invention with reference to the attached drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
The climbing part is generally used as a standard part of an internal climbing tower crane, is different due to equipment models, is used for fixing a tower crane standard section, is used as a suspension point of a tower crane climbing belt, a tower crane standard section and a supporting structure of a whole tower crane body, and is an important stress member for self climbing of the whole tower crane. However, with the requirement of a super high-rise building becoming higher and higher, the space has a great influence on the installation of the climbing part under the influence of a complex structure, the installation method of the climbing part of the internal climbing tower crane provided in this embodiment is particularly suitable for the installation of the climbing part of the internal climbing tower crane in a narrow space, fig. 1 is a schematic flow diagram of the installation method of the climbing part of the internal climbing tower crane provided in this embodiment, please refer to fig. 1, and the method includes the following steps:
in step S1, the climbing member is modularly designed and divided into a plurality of modules. The step mainly solves the problems that the climbing part is overlarge in overall size and is limited by the size of a well during installation.
And in the construction scheme making stage, based on the safety of the overall use state of the climbing part, modeling calculation analysis is carried out on the construction of the climbing part, and the modeling calculation analysis is compared with the simulation and the comparison analysis of the actual working condition to obtain the module segmentation position, the module size and the installation size of the climbing part. Specifically, the method comprises the following steps:
preliminarily determining the module segmentation position, the module size and the installation sequence of the climbing part according to the actual working conditions;
modeling integrally, and performing construction simulation analysis;
the module segment locations, module sizes, and installation order of the climbing components are ultimately determined.
And S2, mechanically assembling and restoring the modules into climbing parts at the installation positions of the tower crane tower body, and ensuring that the overall size and functions of the restored climbing parts meet the requirements of actual working conditions. Specifically, the method comprises the following steps:
determining the assembly nodes among the modules according to the module segmentation positions and the module sizes;
and mechanically assembling a plurality of modules at the installation position according to the assembly nodes and the installation sequence, and restoring the assembled modules into the climbing part.
Further, after step S2, the restored climbing member needs to be evaluated and measured and compared with a theoretical value to determine operability and safety.
Fig. 2 is a diagram of a modular design and an assembled node design of a climbing part according to the present embodiment, please refer to fig. 2, specifically, the climbing part is divided into 4 modules, which include a main frame module 1, a connection block module 2, a connection rod module 3, and a connection plate module 4;
the assembling node comprises a main frame module and a first assembling node 5 between the connecting plate modules, a second assembling node 6 between the main frame module and the connecting block module, and a third assembling node 7 between the connecting block and the connecting rod module.
It should be noted that the climbing part belongs to a mechanical device, and all modules of the climbing part cannot be connected by welding and need to be connected mechanically, so as to ensure the safety and operability of the modules of the climbing part in the assembling process. Preferably, each of said modules of the climbing member is connected by means of high-strength bolts.
After the modules of the climbing part are segmented, when the climbing part is turned and transported and assembled on site, because the climbing shaft is limited by the size of the climbing hoistway, particularly under the condition that the horizontal distance between a standard knot of a tower crane and a scissor wall or a steel platform is less than 2 times of the width of the climbing part, a conventional 'pouring from top to bottom' installation method cannot be adopted, and in order to facilitate the installation of the modules of the climbing part, the installation method of the climbing part of the internal climbing tower crane further comprises the following steps:
and S3, mounting the unsupported self-overturning device by utilizing the tower crane body and the civil engineering steel platform.
Specifically, in step S2, the modules are vertically turned to the installation positions of the tower crane body by the unsupported self-turning device, and the modules are mechanically assembled and restored to climbing members.
The use of the self-overturning device without support is beneficial to the rapid installation of the module of the climbing part, and meanwhile, the contradiction between the module installation of the climbing part and the civil engineering professional construction is avoided, and the construction progress is ensured.
Specifically, unsupported is from transporting device that turns over includes driving system and guider, installs operation platform in the first tower crane standard festival of tower crane body of the tower crane, will driving system installs operation platform is last, driving system is used for realizing each the lift action of module, guider is used for realizing each the action of transporting of turning over of module, and it is adjustable to turn over the direction of transportation.
Fig. 3 is a schematic structural diagram of an unsupported self-dumping device provided in this embodiment; fig. 4 is an installation schematic diagram of the unsupported self-dumping device provided in this embodiment, please refer to fig. 3 and 4, specifically, the power system includes a winch 01, the guiding device includes a first fixed pulley 02, a second fixed pulley 03, a third fixed pulley 04 and a movable pulley 05, the winch 01 is disposed on the operating platform, the first fixed pulley 02 and the second fixed pulley 03 are disposed in parallel on a side edge of a second tower crane standard knot of the tower crane body, the second standard knot is disposed below the operating platform, the third fixed pulley 04 is disposed on the civil engineering steel platform 10, the movable pulley 05 is disposed below the third fixed pulley 04, a distance between the winch 01 and the first fixed pulley 02, a distance between the first fixed pulley 02 and the second fixed pulley 03, a distance between the second fixed pulley 03 and the third fixed pulley 04, and a distance between the second fixed pulley 04, And the third fixed pulley 04 is connected with the movable pulley 05 through a steel wire rope. Furthermore, the pair of the self-supporting turnover devices is arranged in parallel.
When the engineering is implemented, firstly, according to the clearance size of a field shaft, a climbing part is divided into a plurality of modules, the size of each module, the segmentation position of the modules, the installation sequence of the modules and the assembly nodes among the modules are determined, then according to the field requirement, the installation position of the climbing part (namely the installation position of the modules) is determined at the tower body of a tower crane, the overturning path of the modules is determined according to the installation position of the climbing part, then, the unsupported self-overturning device is installed by utilizing the tower body of the tower crane and a civil engineering steel platform, in the module assembly process, a winch 01 in the unsupported self-overturning device drives a first fixed pulley 02, a second fixed pulley 03 and a third fixed pulley 04 through a traction steel wire rope to provide power required by lifting for the modules of the climbing part, the modules of the climbing part are lifted or lowered to the operation height required by the module assembly, in the process, the climbing part can also realize the overturning action through a movable pulley, in time carry out the angle modulation, conveniently climb the part and install, finally accomplish the module at the mounted position of tower crane body and assemble, restore into the part that climbs with a plurality of modules, before the part that climbs uses, judge the actual measurement and compare with theoretical numerical value to the part that climbs, confirm the maneuverability and the security of the part that climbs after the reduction to guarantee construction safety.
In conclusion, the installation method of the climbing part of the internal climbing tower crane provided by the invention has the following advantages: firstly, the climbing part is subjected to modular design, the climbing part is divided into a plurality of modules, then the modules are mechanically assembled and reduced into the climbing part at the installation position of the tower crane body, and the climbing part is fixed on a standard section of the tower crane and provides supporting force for climbing in the tower crane. According to the climbing component, the climbing component is divided into the modules, and then the modules are assembled and restored during application, so that the installation of the climbing component is not limited by space, the construction problem that the climbing component cannot be installed in a narrow space is effectively solved, the construction period is shortened, and the construction cost is reduced. In addition, the invention also provides a self-overturning device without support, which is used for realizing the actions of lifting and self-overturning of the module, so that the module can be automatically lifted and overturned in the assembling process, and the climbing part can be conveniently installed.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The installation method of the climbing part of the internal climbing tower crane is suitable for the installation of the climbing part of the internal climbing tower crane in a narrow space, and is characterized by comprising the following steps:
step S1, performing modular design on the climbing part, and dividing the climbing part into a plurality of modules;
and step S2, mechanically assembling the modules at the installation position of the tower crane body to restore the modules into climbing parts.
2. The method for installing the climbing component of the internal climbing tower crane according to claim 1, wherein the step S1 comprises the following steps:
preliminarily determining the module segmentation position, the module size and the installation sequence of the climbing part according to the actual working conditions;
modeling integrally, and performing construction simulation analysis;
the module segment locations, module sizes, and installation order of the climbing components are ultimately determined.
3. The method for installing the climbing component of the internal climbing tower crane according to claim 2, wherein the step S2 comprises the following steps:
determining the assembly nodes among the modules according to the module segmentation positions and the module sizes;
and mechanically assembling a plurality of modules at the installation position according to the assembly nodes and the installation sequence, and restoring the assembled modules into the climbing part.
4. The method for installing the climbing part of the internal climbing tower crane according to claim 3, wherein the climbing part is divided into 4 modules, including a main frame module, a connecting block module, a connecting rod module and a connecting plate module;
the splicing node comprises: the main frame module and the first node of assembling between even board module, the main frame module with the node is assembled to the second between the connecting block module, the third between connecting block and the connecting rod module is assembled the node.
5. The method for installing the climbing component of the internal climbing tower crane according to claim 4, wherein the modules are connected through high-strength bolts.
6. The method for installing the climbing component of the internal climbing tower crane according to claim 1, further comprising the following steps:
step S3, installing an unsupported self-overturning device by utilizing the tower crane body and the civil engineering steel platform;
in step S2, vertically tipping each module to the installation position of the tower crane body through the unsupported self-tipping device, and mechanically splicing and restoring the modules into climbing members.
7. The method for installing the climbing tower crane component according to claim 6, wherein the unsupported self-overturning device comprises a power system and a guiding device, the power system is used for realizing the lifting action of each module, and the guiding device is used for realizing the overturning action of each module.
8. The method for installing an climbing tower crane component according to claim 7, wherein in step S3, an operation platform is installed in the first tower crane standard section of the tower crane body, and the power system is installed on the operation platform.
9. The method for installing the climbing component of the internal climbing tower crane according to claim 8, wherein the power system comprises a winch, the guiding device comprises a first fixed pulley, a second fixed pulley, a third fixed pulley and a movable pulley, the winch is arranged on the operating platform, the first fixed pulley and the second fixed pulley are arranged on the side edge of a second tower crane standard knot of the tower crane body in parallel, the second standard knot is positioned below the operating platform, the third fixed pulley is arranged on the civil engineering steel platform, the movable pulley is arranged below the third fixed pulley, and the winch is connected with the first fixed pulley, the first fixed pulley and the second fixed pulley, the second fixed pulley and the third fixed pulley and the movable pulley are connected through steel wire ropes.
10. The method for installing an climbing component of an internal climbing tower crane according to claim 9, wherein the pair of the self-supporting tipping devices is arranged in parallel.
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| CN201911350869.8A CN111056453A (en) | 2019-12-24 | 2019-12-24 | Installation method of climbing part of internal climbing tower crane |
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| CN201911350869.8A CN111056453A (en) | 2019-12-24 | 2019-12-24 | Installation method of climbing part of internal climbing tower crane |
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Application publication date: 20200424 |