CN111115469B - Climbing method for climbing tower crane in separated core tube - Google Patents
Climbing method for climbing tower crane in separated core tube Download PDFInfo
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- CN111115469B CN111115469B CN201911426357.5A CN201911426357A CN111115469B CN 111115469 B CN111115469 B CN 111115469B CN 201911426357 A CN201911426357 A CN 201911426357A CN 111115469 B CN111115469 B CN 111115469B
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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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- Jib Cranes (AREA)
Abstract
The invention provides a climbing method for a tower climbing crane in a separated core barrel, wherein a switching mechanism is applied to the tower climbing crane in the separated core barrel and comprises embedded parts, brackets, switching beams, two climbing beams II and a climbing frame II, the embedded parts are arranged on two sides of the separated core barrel, the brackets are connected with the embedded parts, the switching beams II are erected on the brackets and connected with the brackets, one ends of the two climbing beams II are detachably connected with the switching beams, the other ends of the two climbing beams II are connected with the climbing frame II, and the climbing frame II is detachably connected with a tower body of the tower climbing crane. This shifter can shift or demolish the condition under the tower crane of need not climbing internally for climb the tower crane in the core section of thick bamboo after the separation and can continue to carry out the operation according to the mode of climbing and the route of climbing of tower crane in the core section of thick bamboo before the separation, convenient operation, labour saving and time saving has greatly improved the efficiency of construction, has shortened the time limit for a project.
Description
Technical Field
The invention relates to the technical field of super high-rise building engineering construction, in particular to a climbing method for a tower crane in a separated core cylinder.
Background
At present, a tower crane climbing technology is widely applied to the field of super high-rise building construction, and along with diversification of forms of super high-rise buildings, structural forms of a plurality of special-shaped core cylinders, such as upper-part separating core cylinders, appear in order to meet building requirements.
When climbing the tower crane in adopting in the super high-rise building work progress, it is on the interior concrete wall of core section of thick bamboo to climb the roof beam earlier usually, install the frame that climbs of tower crane on climbing the roof beam again, it sets up the frame that climbs about the same during climbing, form the system of climbing of tower crane, however, when upper core section of thick bamboo begins to separate into two independent structures, core bobbin wall body interval grow, original climbing roof beam can't continue to install, lead to the tower crane can't continue to climb according to normal mode, common way is the mounting means who changes the tower crane, if with climbing formula repacking into outer climbing formula or attaching wall formula in the tower crane, will climb or attach to the unilateral barrel of core section of thick bamboo outward. However, if the external climbing type tower crane is adopted, the tower crane needs to be disassembled and assembled again, which not only wastes time and labor, but also increases the danger compared with the internal climbing type tower crane, and if the wall-attached type tower crane is adopted, the tower crane is influenced by the height of the building.
Disclosure of Invention
The invention aims to provide a climbing method for a tower crane climbing in a separated core barrel, and aims to solve the problems that in the application process of the tower crane climbing in the separated core barrel in the prior art, when an upper core barrel begins to be separated into two independent structures, the tower crane needs to be disassembled again, and time and labor are wasted. The specific technical scheme is as follows:
the invention provides a climbing method for a climbing tower crane in a separated core tube, wherein the separated core tube is divided into a core tube before separation and a core tube after separation, and the climbing method also comprises a climbing mechanism applied to the climbing tower crane in the core tube before separation and a switching mechanism applied to the climbing tower crane in the core tube after separation;
the climbing mechanism comprises a first climbing frame and first climbing beams arranged on two sides of the climbing frame, and the first climbing frame is detachably connected with a tower body of the internal climbing tower crane;
the conversion mechanism comprises an embedded part, a bracket, a conversion beam, two climbing beams II and a climbing frame II, the size of the conversion beam is matched with the distance between the two sides of the separated core barrel, the embedded part is arranged on the two sides of the separated core barrel, the bracket is connected with the embedded part, the conversion beam II is erected on the bracket and is connected with the bracket, one end of each of the two climbing beams II is detachably connected with the conversion beam, the other end of each of the two climbing beams II is connected with the climbing frame II, and the climbing frame II is detachably connected with a tower body of the inner climbing tower crane; the distance between the two climbing beams II corresponds to the distance between the climbing beams I of the climbing mechanism in the core tube internal climbing tower crane before separation;
the climbing mechanism and/or the conversion mechanism are/is provided with three paths;
the climbing method for the tower crane in the separated core barrel comprises the following steps:
step S1, the climbing system of the core tube internal climbing tower crane before separation is composed of a climbing mechanism arranged on a concrete wall in the core tube before separation, the internal climbing tower crane climbs to a core tube separation position according to the climbing mode in the core tube before separation, at the moment, the upper core tube is divided into two parts to form an atrium to achieve the building effect, the concrete wall for connecting the core tube before separation of the climbing mechanism disappears, a first path of conversion mechanism is arranged on a first installation floor, and the internal climbing tower crane is ready to start climbing for the first time;
step S2, the internal climbing tower crane starts climbing for the first time, the upper part of the internal climbing tower crane climbs to a first installation floor, and the tower body is sequentially connected with the first switching mechanism and the climbing frames of the two climbing mechanisms;
step S3, a second conversion mechanism is installed on a second installation floor, and the internal climbing tower crane is ready to start climbing for the second time;
step S4, the internal climbing tower crane begins to climb for the second time, the upper part of the internal climbing tower crane climbs to a second installation floor, and the tower body is sequentially connected with the second conversion mechanism, the first conversion mechanism and a climbing frame I of the climbing mechanism;
step S5, a third conversion mechanism is installed on a third installation floor, and the internal climbing tower crane is ready to start climbing for the third time;
and step S6, the internal climbing tower crane starts climbing for the third time, the upper part of the internal climbing tower crane climbs to a third installation floor, the bottom of the internal climbing tower crane climbs to a first installation floor, and the tower body is connected with the second switching mechanism, the first switching mechanism and the third climbing frame II of the switching mechanism.
Optionally, the mounting steps of the conversion mechanism are as follows:
step S1, arranging embedded parts on two sides of the separated core barrel, and connecting the bracket with the embedded parts;
step S2, arranging the conversion beam on the bracket and connecting the conversion beam with the bracket;
step S3, mounting the second climbing beam on the conversion beam, then arranging the second climbing frame on the second climbing beam and connecting the second climbing frame with the second climbing beam, and finally detachably connecting the second climbing frame with the tower body of the internal climbing tower crane.
The climbing method for the tower crane climbing in the separated core cylinder provided by the invention has the following beneficial effects:
the climbing system for the separated core tube internal climbing tower crane comprises a climbing mechanism applied to the core tube internal climbing tower crane before separation and a switching mechanism applied to the core tube internal climbing tower crane after separation, the climbing system of the core tube internal climbing tower crane before separation consists of the climbing mechanism arranged on a concrete wall in the core tube body, along with the change of the structural form of the separated core tube, the upper core tube is divided into two parts to form a atrium so as to achieve the building effect, the concrete wall of the core tube before separation for connecting the climbing mechanism disappears, the climbing mechanism cannot be installed, and the switching mechanism of the core tube internal climbing tower crane after separation is installed at the moment, so that the core tube internal climbing tower crane after separation can continue to operate according to the climbing mode and climbing route of the core tube internal climbing tower crane before separation under the condition that the internal climbing tower crane does not need to be shifted or dismounted, convenient operation, labour saving and time saving has greatly improved the efficiency of construction, has shortened the time limit for a project.
Drawings
FIG. 1 is a schematic structural diagram of a conversion mechanism for a tower crane climbing in a split core barrel according to an embodiment of the invention;
FIG. 2a is a schematic view of a tower crane in a separate core tube provided by an embodiment of the invention, wherein a first conversion mechanism is installed during climbing;
fig. 2b is a schematic view illustrating the installation of a second switching mechanism during climbing of the tower crane in the separated core tube according to an embodiment of the present invention;
fig. 2c is a schematic view illustrating the installation of a third switching mechanism during climbing of the tower crane in the separated core barrel according to an embodiment of the present invention;
wherein the reference numerals of figures 1-2c are as follows:
11-separating the pre-core barrel; 12-post-separation core barrel; 2-a climbing mechanism; 3-a conversion mechanism; 31-an embedded part; 32-bracket; 33-a transfer beam; 34-climbing beam two; 35-climbing frame two.
Detailed Description
The following provides a further detailed description of the climbing method for the tower climbing crane in the separated core barrel, which is provided by the invention, with reference to the accompanying 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.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a conversion mechanism for a tower crane in a split core tube according to this embodiment. In the present embodiment, the split core barrel is divided into a split front core barrel 11 and a split rear core barrel 12.
The switching mechanism 3 provided in this embodiment is applied to the tower crane climbed in the core section of thick bamboo 12 after the separation, including built-in fitting 31, bracket 32, conversion beam 33, two beams 34 and the frame of climbing two 35 of climbing, the built-in fitting 31 sets up the both sides at the core section of thick bamboo 12 after the separation, the bracket 32 with the built-in fitting 31 is connected, the conversion beam 33 erects on the bracket 32 and with the bracket 32 is connected, two the one end of the beam two 34 of climbing with the conversion beam 33 can dismantle the connection, the other end with the frame of climbing two 35 are connected, the frame of climbing 35 and the tower body of the tower crane of climbing in order to stabilize the tower body of the tower crane of climbing, in addition, the conversion beam 33 with the bracket 32 is for dismantling the connection, preferably, the conversion beam 33 with the bracket 32 is connected through high strength bolt.
Further, the size of the transfer beam 33 is matched with the distance between the two sides of the separated core tube 12, and specifically, during construction, the transfer beam 33 with the size matched with the distance between the two sides of the separated core tube 12 is selected according to the distance between the separated core tube and the separated core tube.
In addition, the distance between the two climbing beams 34 corresponds to the distance between the first climbing beams of the climbing mechanism 2 in the tower crane climbing in the core barrel 11 before separation, so that the tower crane climbing in the core barrel 12 after separation can continue to operate according to the climbing mode and the climbing route of the tower crane climbing in the core barrel 11 before separation under the condition that the tower crane climbing inwards does not need to be shifted or dismantled.
Specifically, the bracket 32 is connected with the embedded part 31 through welding.
Further, a base is further arranged on the conversion beam 33, and the climbing beam II 34 is detachably connected with the conversion beam 33 through the base, so that the conversion mechanism can be conveniently disassembled and assembled during recycling.
In practical application, when the internal climbing tower crane climbs to the separation position of the core tube, the installation floor position of the conversion mechanism 3 needs to be determined in advance, the installation position of the tower body of the internal climbing tower crane of the conversion mechanism 3 is determined to be the reinforced joint position of the internal climbing tower crane (the tower body of the internal climbing tower crane consists of a standard joint and a reinforced joint), and then the conversion mechanism 3 is installed, wherein the installation steps are as follows:
step S1, arranging embedded parts 31 on two sides of the separated core barrel 12, and welding the corbels 32 and the embedded parts 31;
step S2, selecting a conversion beam 33 with a size matched with the separation distance of the two sides of the separated core tube 12, setting a base of a second climbing beam 34 on the corresponding position of the conversion beam 33 according to the separation distance of the second climbing beam 34 of the climbing mechanism in the climbing tower crane in the core tube 11 before separation, and then erecting the conversion beam 33 on the bracket and connecting the conversion beam with the bracket;
step S3, mounting the climbing beam II 34 on the base of the conversion beam 33, then arranging the climbing frame II 35 on the climbing beam II 34 and connecting the climbing beam II 34, and finally detachably connecting the climbing frame II 35 with the tower body of the internal climbing tower crane to stabilize the tower body of the internal climbing tower crane.
The embodiment also provides a climbing system for climbing a tower crane in a separated core tube, which comprises a climbing mechanism 2 applied to the climbing tower crane in the core tube 11 before separation and a conversion mechanism 3 used for climbing the tower crane in the separated core tube, wherein the climbing mechanism 2 comprises a climbing frame I and a climbing beam I arranged on two sides of the climbing frame I, and the climbing frame I is detachably connected with a tower body of the inner climbing tower crane. Preferably, the climbing means 2 and/or the conversion means 3 are steel components.
Furthermore, the climbing mechanism 2 and/or the conversion mechanism 3 are provided with three paths, namely three paths are provided for the climbing frame II 35, and it should be noted that the climbing mechanism 2 and the conversion mechanism 3 can be mutually converted in the using process, and the climbing mechanism 2 and the conversion mechanism 3 can be recycled and functionally converted in the climbing process of the internal climbing tower crane.
Further, the second climbing frame 35 is connected with the tower body of the inner climbing tower crane through high-strength bolts, and the tower body is connected and stabilized through the high-strength bolts under the normal working state of the inner climbing tower crane; under the state of climbing, can conveniently dismantle high strength bolt to can leave the space between frame two 35 and the body of the tower of climbing, in order to guarantee that the interior tower crane of climbing freely climbs.
Specifically, the second three-climbing frame 35 is a second first climbing frame, a second climbing frame and a second third climbing frame from bottom to top in sequence. The first climbing frame II is mainly used for bearing a vertical downward acting force generated by the tower crane under various working conditions; the second climbing frame II is mainly used for bearing torque and bending moment generated by the tower crane under various working conditions and is used as a climbing track in the climbing process; and the third climbing frame II is mainly used as a climbing track in the climbing process. The connection between the second frame climbing frame and the tower body is removed before climbing, the internal climbing tower crane pushes the tower crane to climb through the hydraulic jacking mechanism on the second frame climbing frame (namely, the second frame climbing frame located at the lowest part) to reach the specified climbing height, and then the high-strength bolts on the second frame climbing frame are fastened.
Referring to fig. 2a, 2b and 2c, fig. 2a, 2b and 2c show the climbing process of the climbing system for the tower crane climbing in the separated core tube provided by the embodiment during construction.
Among the climbing system of climbing tower crane in disconnect-type core section of thick bamboo, the climbing system of climbing tower crane in the core section of thick bamboo 11 before the separation comprises climbing mechanism 2 of the concrete wall of installing in the core section of thick bamboo 11 before the separation, along with the change of disconnect-type core section of thick bamboo structural style, upper portion core section of thick bamboo is divided into two and is formed the atrium in order to reach the architectural effect, the concrete wall that is used for connecting core section of thick bamboo 11 before the separation of climbing mechanism 2 disappears, climbing mechanism 2 can't be installed, need install the shifter 3 of climbing tower crane in the core section of thick bamboo 12 after the separation this moment, then the climbing tower crane continues to climb, the climbing method of climbing tower crane in the core section of thick bamboo 12 after the separation, including following step:
step S1, climbing the internal climbing tower crane to the separation position of the core barrel according to the climbing mode in the core barrel before separation, installing a first path of conversion mechanism on a first installation floor, and preparing for the internal climbing tower crane to start climbing for the first time, as shown in fig. 2 a;
step S2, the internal climbing tower crane starts climbing for the first time, the upper part of the internal climbing tower crane climbs to a first installation floor, and the tower body is sequentially connected with the first switching mechanism and the climbing frames I of the two climbing mechanisms;
step S3, installing a second conversion mechanism on a second installation floor, and preparing for the inner tower climbing crane to start climbing for the second time, as shown in FIG. 2 b;
step S4, the internal climbing tower crane begins to climb for the second time, the upper part of the internal climbing tower crane climbs to the second installation floor, and the tower body is sequentially connected with the second conversion mechanism, the first conversion mechanism and a climbing frame I of a climbing mechanism;
step S5, a third conversion mechanism is installed on a third installation floor, and the internal climbing tower crane is ready to start climbing for the third time, as shown in the figure 2 c;
and S6, the internal climbing tower crane starts climbing for the third time, the upper part of the internal climbing tower crane climbs to a third installation floor, the bottom of the internal climbing tower crane climbs to a first installation floor, and the tower body is connected with the second climbing frame II of the switching mechanism, the first switching mechanism and the third switching mechanism.
Therefore, the climbing conversion of the internal climbing tower crane from the core barrel before separation to the core barrel after separation is completed by the climbing method, and then the next round of climbing is performed in the core barrel after separation until climbing is completed.
In summary, the climbing method for the tower crane in the separated core cylinder provided by the invention has the following advantages: wherein, the shifter is applied to and climbs on the tower crane in the core section of thick bamboo after the separation, including built-in fitting, bracket, conversion roof beam, two beams of climbing two and the frame two that climbs, the built-in fitting sets up the both sides at the core section of thick bamboo after the separation, the bracket with the built-in fitting is connected, the conversion roof beam erects on the bracket and with the bracket is connected, two the one end of the beam two that climbs with the conversion roof beam can dismantle the connection, the other end with the frame two that climbs is connected, the frame two that climbs can dismantle with the body of the tower crane of climbing in and be connected. This shifter can shift or demolish the condition under the tower crane of need not climbing internally for climb the tower crane in the core section of thick bamboo after the separation and can continue to carry out the operation according to the mode of climbing and the route of climbing of tower crane in the core section of thick bamboo before the separation, convenient operation, labour saving and time saving has greatly improved the efficiency of construction, has shortened the time limit for a project.
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 (2)
1. A climbing method for a climbing tower crane in a separated core tube is characterized in that the separated core tube is divided into a core tube before separation and a core tube after separation, and the climbing method further comprises a climbing mechanism applied to the climbing tower crane in the core tube before separation and a switching mechanism applied to the climbing tower crane in the core tube after separation;
the climbing mechanism comprises a first climbing frame and first climbing beams arranged on two sides of the climbing frame, and the first climbing frame is detachably connected with a tower body of the internal climbing tower crane;
the conversion mechanism comprises an embedded part, a bracket, a conversion beam, two climbing beams II and a climbing frame II, the size of the conversion beam is matched with the distance between the two sides of the separated core barrel, the embedded part is arranged on the two sides of the separated core barrel, the bracket is connected with the embedded part, the conversion beam II is erected on the bracket and is connected with the bracket, one end of each of the two climbing beams II is detachably connected with the conversion beam, the other end of each of the two climbing beams II is connected with the climbing frame II, and the climbing frame II is detachably connected with a tower body of the inner climbing tower crane; the distance between the two climbing beams II corresponds to the distance between the climbing beams I of the climbing mechanism in the core tube internal climbing tower crane before separation;
the climbing mechanism and/or the conversion mechanism are/is provided with three paths;
the climbing method for the tower crane in the separated core barrel comprises the following steps:
step S1, the climbing system of the core tube internal climbing tower crane before separation is composed of a climbing mechanism arranged on a concrete wall in the core tube before separation, the internal climbing tower crane climbs to a core tube separation position according to the climbing mode in the core tube before separation, at the moment, the upper core tube is divided into two parts to form an atrium to achieve the building effect, the concrete wall for connecting the core tube before separation of the climbing mechanism disappears, a first path of conversion mechanism is arranged on a first installation floor, and the internal climbing tower crane is ready to start climbing for the first time;
step S2, the internal climbing tower crane starts climbing for the first time, the upper part of the internal climbing tower crane climbs to a first installation floor, and the tower body is sequentially connected with the first switching mechanism and the climbing frames of the two climbing mechanisms;
step S3, a second conversion mechanism is installed on a second installation floor, and the internal climbing tower crane is ready to start climbing for the second time;
step S4, the internal climbing tower crane begins to climb for the second time, the upper part of the internal climbing tower crane climbs to a second installation floor, and the tower body is sequentially connected with the second conversion mechanism, the first conversion mechanism and a climbing frame I of the climbing mechanism;
step S5, a third conversion mechanism is installed on a third installation floor, and the internal climbing tower crane is ready to start climbing for the third time;
and step S6, the internal climbing tower crane starts climbing for the third time, the upper part of the internal climbing tower crane climbs to a third installation floor, the bottom of the internal climbing tower crane climbs to a first installation floor, and the tower body is connected with the second switching mechanism, the first switching mechanism and the third climbing frame II of the switching mechanism.
2. The climbing method for the tower crane in the split core tube according to claim 1, wherein the installation steps of the conversion mechanism are as follows:
step S1, arranging embedded parts on two sides of the separated core barrel, and connecting the bracket with the embedded parts;
step S2, arranging the conversion beam on the bracket and connecting the conversion beam with the bracket;
step S3, mounting the second climbing beam on the conversion beam, then arranging the second climbing frame on the second climbing beam and connecting the second climbing frame with the second climbing beam, and finally detachably connecting the second climbing frame with the tower body of the internal climbing tower crane.
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| CN201911426357.5A CN111115469B (en) | 2019-12-31 | 2019-12-31 | Climbing method for climbing tower crane in separated core tube |
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| CN112125172B (en) * | 2020-09-17 | 2023-02-14 | 上海建工四建集团有限公司 | Internal climbing base joint rotating device of internal climbing tower crane and construction method thereof |
| CN113401815B (en) * | 2021-06-17 | 2022-07-12 | 中建一局集团建设发展有限公司 | High-altitude conversion system of core tube tower crane of super high-rise building and construction method thereof |
| CN114059770B (en) * | 2021-09-02 | 2023-08-08 | 上海建工四建集团有限公司 | Construction method for underpinning of construction worker goods elevator foundation |
| CN113860190B (en) * | 2021-10-29 | 2023-10-31 | 上海建工四建集团有限公司 | Cantilever crane turnover-free beam rest bracket and installation method |
| CN113860189B (en) * | 2021-10-29 | 2024-02-09 | 上海建工四建集团有限公司 | Pin shaft type overturn-free climbing system of internal climbing tower crane |
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| CN201809782U (en) * | 2010-07-30 | 2011-04-27 | 中国建筑第八工程局有限公司 | Internal climbing tower crane foundation support device |
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