CN117303229A - Inner climbing type tower crane - Google Patents

Inner climbing type tower crane Download PDF

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Publication number
CN117303229A
CN117303229A CN202311277845.0A CN202311277845A CN117303229A CN 117303229 A CN117303229 A CN 117303229A CN 202311277845 A CN202311277845 A CN 202311277845A CN 117303229 A CN117303229 A CN 117303229A
Authority
CN
China
Prior art keywords
tower crane
supporting
climbing
steel beam
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311277845.0A
Other languages
Chinese (zh)
Inventor
李大可
杨林
惠峰
崔刚
涂礼操
罗飞
王佳
刘文文
罗珺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China MCC5 Group Corp Ltd
Original Assignee
China MCC5 Group Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China MCC5 Group Corp Ltd filed Critical China MCC5 Group Corp Ltd
Priority to CN202311277845.0A priority Critical patent/CN117303229A/en
Publication of CN117303229A publication Critical patent/CN117303229A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • B66C23/30—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 telescopic elements

Abstract

The invention discloses an internal climbing tower crane, which comprises a first supporting system, a second supporting system and a third supporting system from the bottom end to the top end, wherein the first supporting system, the second supporting system and the third supporting system are respectively arranged in the direction from the bottom end to the top end, and each supporting system comprises: the telescopic support steel beam and the C-shaped frame are fixedly arranged on the telescopic support steel beam, when the telescopic support steel beam is in an extension state, two ends of the telescopic support steel beam are connected with building structure supporting points, when the telescopic support steel beam is in a contraction state, the two ends of the telescopic support steel beam are disconnected with the building structure supporting points so as to carry out lifting of the telescopic support steel beam, and each support system is lifted to the top end direction in a reciprocating manner based on the climbing progress of the tower crane so as to complete support of the tower crane; the main body of the tower crane is provided with a plurality of movable supporting blocks; a hoisting device is arranged at the top end of the main body part of the tower crane; the climbing of the tower crane on the climbing belt is completed through the jacking operation of the jacking mechanism.

Description

Inner climbing type tower crane
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to an internal climbing tower crane.
Background
The internal climbing type tower crane is arranged in a building structure, so that the requirement on the working range is not high, namely, the lifting arm of the tower crane can be shortened as much as possible, the peripheral space of the building structure is not occupied, the building structure is utilized to climb upwards, the climbing elevation is not limited, the tower body is generally free, and the characteristics of light overall structure, small influence of outer elevation and the like are often used in super high-rise construction.
The internal climbing tower crane adopts a supporting steel beam as a tower crane supporting foundation, a C-shaped supporting frame is arranged on the supporting steel beam, a jacking section is arranged on the C-shaped supporting frame through a fixed supporting block carried by the jacking section, and a structure formed by the supporting steel beam and the C-shaped frame can be used as a supporting system of the internal climbing tower crane and also can be used as an attaching frame.
As shown in fig. 1, the internal climbing tower crane is usually provided with three sets of support systems, wherein the first set of support system at the lowest part is a tower crane foundation, and the second set of support system at the upper part is used as an attaching frame.
As shown in fig. 2, a third support system is installed before the tower crane is lifted, the climbing system is checked after the installation, and after the climbing balance moment of the tower crane is found out after the climbing system is confirmed to be correct, the lifting balance adjustment of the tower crane is carried out. The support block of the jacking system is placed on the C-shaped frame for climbing.
The jacking mechanism is ejected out, so that the jacking beam is supported on the supporting frame, the tower crane is slowly jacked up and separated from the basic bearing platform until the upper supporting block passes over the corresponding step of the climbing belt, and the upper supporting block is swung out and extends out to be supported on the step of the climbing belt.
And the lifting mechanism is slowly retracted, the lower supporting block is retracted, and after the lower supporting block passes over the corresponding step of the climbing belt, the lower supporting block extends out to enable the lower supporting block to be supported on the step of the climbing belt, so that the stability of the tower crane is checked, and whether the lifting pressure and other components are normal or not is observed.
And repeating the step until the tower crane climbs to the position of the second supporting system, wherein the second supporting system becomes a tower crane foundation, and the supporting blocks on the tower crane lifting joint extend out and are seated on the C-shaped frame, so that the climbing of the tower crane is completed.
As shown in fig. 3, the tower crane is recycled, the first set of support system is disassembled manually, the disassembled first set of support system is transferred into the construction site to be stacked, and the tower crane is installed when climbing next time, so that the climbing installation of the inner climbing type tower crane is realized by the transportation.
The internal climbing type tower crane is installed in the mode, so that the construction flow is increased, meanwhile, the positions of an elevator shaft and the like are narrow, the climbing frame is removed and installed for multiple times, the climbing installation time of the tower crane is too long, and the occupied time of the climbing frame to the site is also longer.
Disclosure of Invention
The invention aims at: in order to overcome the prior art problem, an internal climbing type tower crane is disclosed, through the structural arrangement of the internal climbing type tower crane, independent hoisting and transferring of a supporting frame are not needed, and the climbing efficiency of the tower crane is improved.
The aim of the invention is achieved by the following technical scheme:
the utility model provides an interior formula tower crane that climbs, tower crane's main part bottom is equipped with three braced system, is first braced system, second to braced system, third braced system respectively from bottom to top direction, and each braced system includes: the C-shaped frame is fixedly arranged on the telescopic supporting steel beam,
when the telescopic support steel beam is in an extension state, two ends of the telescopic support steel beam are connected with building structure supporting points, and when the telescopic support steel beam is in a contraction state, the two ends of the telescopic support steel beam are disconnected with the building structure supporting points so as to carry out lifting of the telescopic support steel beam, and each support system is lifted to the top end direction in a reciprocating manner based on the climbing process of the tower crane so as to complete support of the tower crane;
the main body part of the tower crane is provided with a plurality of movable supporting blocks so as to be connected with each stage of supporting system; the top end of the main body part of the tower crane is provided with a hoisting device so as to finish hoisting of each stage of supporting system; the climbing of the tower crane on the climbing belt is completed through the jacking operation of the jacking mechanism.
According to a preferred embodiment, when the tower crane is lifted, the lifting mechanism firstly lifts the tower crane for a certain distance, so that the first support system is not stressed any more, then the lifting device is adopted to lift the first support system to the position of the second support system, and then the tower crane is lifted on the climbing belt, so that the tower crane is lifted to the embedded position of the first support system and the second support system; the tower crane stretches out of the supporting block, the first supporting system is still used as a foundation of the tower crane, then the second supporting system is hoisted to the position of the third supporting system by using a hoisting device to replace the third supporting system for operation, and then the third supporting system is hoisted to the next working surface; the cyclic reciprocation realizes the alternate replacement of climbing and supporting systems of the tower crane.
According to a preferred embodiment, the telescopic supporting steel beam is provided with at least two hanging points as connecting points of the hoisting device.
According to a preferred embodiment, a hydraulic system is arranged inside the telescopic support steel beam so as to finish telescopic driving of the two end parts of the telescopic support steel beam.
According to a preferred embodiment, when the first supporting system is lifted to be at the same level as the second supporting system, the two corresponding telescopic supporting steel beams of the first supporting system are positioned inside the two corresponding telescopic supporting steel beams of the second supporting system, and the two corresponding C-shaped frames of the first supporting system are positioned inside the corresponding C-shaped frames of the second supporting system.
According to a preferred embodiment, when the second supporting system is lifted to be at the same level as the third supporting system, the two corresponding telescopic supporting steel beams of the second supporting system are positioned inside the two corresponding telescopic supporting steel beams of the third supporting system, and the two corresponding C-shaped frames of the second supporting system are positioned inside the corresponding C-shaped frames of the third supporting system.
According to a preferred embodiment, the climbing method of the tower crane specifically comprises the following steps: 1) The lifting mechanism and the climbing belt are adopted to slowly lift the tower crane to a certain height, so that the upper and lower supporting blocks of the lifting mechanism are supported on the climbing belt and are separated from the first supporting system, the fixed supporting block of the tower crane is retracted, the lifting device is hooked with the lifting point of the first supporting system, and the telescopic supporting steel beam is contracted;
2) Lifting the first support system to the position of the second support system by using a lifting device, enabling the first support system to be embedded with the second support system, completing extension of a telescopic support steel beam of the first support system, supporting and fixing the telescopic support steel beam on a building structure, and loosening a lifting hook after stable installation and leveling.
According to a preferred embodiment, the climbing method of the tower crane further comprises: 3) And then using the lifting mechanism of the tower crane, using the retraction of the oil cylinder to enable the upper and lower supporting blocks of the lifting mechanism to climb step by step on the climbing belt, lifting the tower crane to the first supporting system and the second supporting system, and then extending out of the fixed supporting blocks of the tower crane to enable the fixed supporting blocks of the tower crane to be supported on the C-shaped frame of the first supporting system, so that the first supporting system is continuously used as a tower crane foundation.
According to a preferred embodiment, the climbing method of the tower crane further comprises: 4) And lifting the second supporting system to be embedded with the third supporting system by using a lifting device, and completing extension of the telescopic supporting steel beam of the second supporting system, and supporting and fixing the telescopic supporting steel beam on a building structure to replace the third supporting system.
According to a preferred embodiment, the climbing method of the tower crane further comprises: 5) And finally, lifting the third supporting system to a reserved supporting position of the next layer by using a lifting device, checking the verticality of the tower crane after the installation is completed, and performing installation checking on each system, so that the inner climbing type tower crane is circularly reciprocated to realize the reverse-support-free installation.
The foregoing inventive concepts and various further alternatives thereof may be freely combined to form multiple concepts, all of which are contemplated and claimed herein. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or all of the present disclosure.
The invention has the beneficial effects that: by the structural arrangement of the internal climbing type tower crane, the tower crane does not need to independently hoist and transport the supporting frame, and the climbing efficiency of the tower crane is improved.
Drawings
FIG. 1 is a schematic diagram of two sets of support systems of an internal climbing tower crane;
FIG. 2 is a schematic structural view of three sets of support systems of an inner climbing tower crane;
FIG. 3 is a schematic view of climbing state of three support systems of the inner climbing tower crane;
FIG. 4 is a schematic view of the support system of the inner climbing crane of the present invention;
FIG. 5 is a schematic view of the structure of the inner climbing crane of the present invention;
FIG. 6 is a schematic view of the structural dimensions of three sets of support systems in the internal climbing crane of the present invention;
FIG. 7 is a schematic view of the first climbing state structure of the internal climbing crane of the present invention;
FIG. 8 is a second climbing state schematic diagram of the internal climbing crane of the present invention;
FIG. 9 is a schematic view of the position of the support systems of the present invention in a second climb condition of the internal climbing crane;
FIG. 10 is a schematic view of the structure of the inner climbing crane in a third climbing state;
FIG. 11 is a structural schematic diagram of the inner climbing crane in a fourth climbing state;
FIG. 12 is a schematic view of the position of each support system in a fourth climb condition of the internal climbing crane of the present invention;
fig. 13 is a schematic view of the structure of the inner climbing crane in the fifth climbing state.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, in the present invention, if a specific structure, connection relationship, position relationship, power source relationship, etc. are not specifically written, the structure, connection relationship, position relationship, power source relationship, etc. related to the present invention can be known by those skilled in the art without any creative effort.
Example 1:
referring to fig. 4 to 13, there is shown an internal climbing tower crane, wherein three support systems are provided at the bottom end of the main body of the tower crane, and a first support system, a second support system, a third support system are provided from the bottom end to the top, and each support system includes: the telescopic support steel beam and the C-shaped frame are fixedly arranged on the telescopic support steel beam, when the telescopic support steel beam is in an elongation state, two ends are connected with building structure supporting points, when the telescopic support steel beam is in a contraction state, the two ends are disconnected with the building structure supporting points so as to carry out lifting of the telescopic support steel beam, and each support system is lifted to the top end direction in a reciprocating manner based on the climbing process of the tower crane so as to complete support of the tower crane.
The main body part of the tower crane is provided with a plurality of movable supporting blocks so as to be connected with each stage of supporting system; the top end of the main body part of the tower crane is provided with a hoisting device so as to finish hoisting of each stage of supporting system; the climbing of the tower crane on the climbing belt is completed through the jacking operation of the jacking mechanism.
Preferably, at least two lifting points are arranged on the telescopic supporting steel beam and serve as connecting points of the lifting device.
Preferably, a hydraulic system is arranged inside the telescopic support steel beam so as to finish telescopic driving of the two end parts of the telescopic support steel beam.
Preferably, when the first supporting system is lifted to be in the same horizontal plane with the second supporting system, the two corresponding telescopic supporting steel beams of the first supporting system are positioned on the inner sides of the two corresponding telescopic supporting steel beams of the second supporting system, and the two corresponding C-shaped frames of the first supporting system are positioned on the inner sides of the corresponding C-shaped frames of the second supporting system.
Preferably, when the second supporting system is lifted to be at the same horizontal plane as the third supporting system, the two corresponding telescopic supporting steel beams of the second supporting system are positioned at the inner sides of the two corresponding telescopic supporting steel beams of the third supporting system, and the two corresponding C-shaped frames of the second supporting system are positioned at the inner sides of the corresponding C-shaped frames of the third supporting system.
The working principle of the internal climbing tower crane is as follows:
when the tower crane is installed, three support systems are installed on the tower body, the bottommost support system is used as a support foundation, the upper two support systems are respectively used as an attachment frame, the second support system positioned in the middle of the tower body is slightly larger than the first support system positioned at the bottom, and the third support system positioned at the upper part of the tower body is slightly larger than the second support system positioned in the middle, so that the first support system and the second support system and the third support system can be embedded without shielding.
When the tower crane is lifted, the lifting mechanism lifts the tower crane for a certain distance to enable the first supporting system to be free from being stressed, then the lifting device is adopted to lift the first supporting system to the position of the second supporting system, and then the tower crane is lifted on the climbing belt to enable the climbing belt to be lifted to the embedding position of the first supporting system and the second supporting system; the tower crane stretches out of the supporting block, the first supporting system is still used as a foundation of the tower crane, then the second supporting system is hoisted to the position of the third supporting system by using a hoisting device to replace the third supporting system for operation, and then the third supporting system is hoisted to the next working surface; the cyclic reciprocation realizes the alternate replacement of climbing and supporting systems of the tower crane. Thus avoiding disassembly and reassembly of the support system.
Preferably, the climbing method of the tower crane specifically comprises the following steps:
before the tower crane climbs, a hoisting steel beam and a hoisting device are installed in advance, a tower crane climbing system is checked, and after the system is confirmed to be error-free, the climbing balance moment of the tower crane is found. Firstly, turning a crane arm to a direction parallel to a supporting steel beam, lifting a proper amount of counterweight, moving the crane arm back and forth, observing a moment value displayed on a human-computer interface, slowly starting a climbing hydraulic system to slightly jack up a little (generally, the climbing hydraulic system can slightly jack up by 5-10 mm), observing the front-back balance condition, and if the crane arm has deviation, continuing to slightly move the crane arm back and forth and adjusting the crane arm back and forth until the front-back balance moment is equal. The tower crane is stopped for more than 10 minutes, and after balance is ensured, the next working procedure can be carried out.
1) As shown in fig. 7, during operation, the tower crane is slowly jacked up to a certain height by adopting the jacking mechanism and the climbing belt, so that the upper supporting block and the lower supporting block of the jacking mechanism are supported on the climbing belt and are separated from the first supporting system, the fixed supporting block of the tower crane is retracted, the lifting device is hooked at a lifting point of the first supporting system, and the telescopic supporting steel beam is contracted.
2) As shown in fig. 8 and 9, the first supporting system is lifted to the position of the second supporting system by using a lifting device, so that the first supporting system is embedded with the second supporting system, the extension of the telescopic supporting steel beam of the first supporting system is completed, the telescopic supporting steel beam is supported and fixed on a building structure, and the lifting hook is released after the telescopic supporting steel beam is stably installed and leveled.
3) As shown in fig. 10, the lifting mechanism of the tower crane is used again, the lifting mechanism is lifted up and down by the aid of the retraction and extension of the oil cylinders, the lifting mechanism is lifted up and down on the climbing belt step by step, the tower crane is lifted up to the first support system and the second support system, and then the fixed support blocks of the tower crane are extended out, so that the fixed support blocks of the tower crane are supported on the C-shaped frame of the first support system, and the first support system is continuously used as a tower crane foundation. After the installation and fixation, the safety inspection is carried out.
4) After the tower crane is installed and checked, the second supporting system is lifted by a lifting device to be embedded with the third supporting system, and the extension of the telescopic supporting steel beam of the second supporting system is completed, so that the telescopic supporting steel beam is supported and fixed on a building structure to replace the third supporting system.
5) And finally, as shown in fig. 13, lifting the third supporting system to a reserved supporting position of the next layer by using a lifting device, checking the verticality of the tower crane after the installation is completed, and performing installation checking on each system, so that the inner climbing type tower crane is circularly reciprocated to realize the installation without tilting support.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (10)

1. The utility model provides an interior formula tower crane that climbs, its characterized in that, tower crane's main part bottom is equipped with three braced system, is first braced system, second to braced system, third braced system respectively from bottom to top direction, and each braced system includes: the C-shaped frame is fixedly arranged on the telescopic supporting steel beam,
when the telescopic support steel beam is in an extension state, two ends of the telescopic support steel beam are connected with building structure supporting points, and when the telescopic support steel beam is in a contraction state, the two ends of the telescopic support steel beam are disconnected with the building structure supporting points so as to carry out lifting of the telescopic support steel beam, and each support system is lifted to the top end direction in a reciprocating manner based on the climbing process of the tower crane so as to complete support of the tower crane;
the main body part of the tower crane is provided with a plurality of movable supporting blocks so as to be connected with each stage of supporting system; the top end of the main body part of the tower crane is provided with a hoisting device so as to finish hoisting of each stage of supporting system; the climbing of the tower crane on the climbing belt is completed through the jacking operation of the jacking mechanism.
2. The internal climbing tower crane according to claim 1, wherein when the tower crane is lifted, the lifting mechanism firstly lifts the tower crane a certain distance to enable the first support system to be free from stress, then lifts the first support system to the position of the second support system by adopting the lifting device, and then performs climbing of the tower crane on the climbing belt to enable the climbing belt to be lifted to the embedded position of the first support system and the second support system;
the tower crane stretches out of the supporting block, the first supporting system is still used as a foundation of the tower crane, then the second supporting system is hoisted to the position of the third supporting system by using a hoisting device to replace the third supporting system for operation, and then the third supporting system is hoisted to the next working surface; the cyclic reciprocation realizes the alternate replacement of climbing and supporting systems of the tower crane.
3. The internal climbing tower crane according to claim 1, wherein the telescopic support steel beam is provided with at least two suspension points as connection points for the hoisting means.
4. The internal climbing tower crane according to claim 1, wherein the telescopic support steel beam is internally provided with a hydraulic system to complete telescopic driving of both end portions of the telescopic support steel beam.
5. The internal climbing tower crane according to claim 1, wherein when the first support system is lifted to a level with the second support system,
the two corresponding telescopic supporting steel beams of the first supporting system are positioned on the inner sides of the two corresponding telescopic supporting steel beams of the second supporting system,
the two corresponding C-shaped frames of the first support system are positioned at the inner sides of the corresponding C-shaped frames of the second support system.
6. The internal climbing tower crane according to claim 5, wherein when the second support system is lifted to be at the same level as the third support system,
the two corresponding telescopic supporting steel beams of the second supporting system are positioned at the inner sides of the two corresponding telescopic supporting steel beams of the third supporting system,
the two corresponding C-shaped frames of the second supporting system are positioned at the inner sides of the corresponding C-shaped frames of the third supporting system.
7. The internal climbing tower crane according to claim 6, wherein the climbing method of the tower crane specifically comprises the following steps:
1) The lifting mechanism and the climbing belt are adopted to slowly lift the tower crane to a certain height, so that the upper and lower supporting blocks of the lifting mechanism are supported on the climbing belt and are separated from the first supporting system, the fixed supporting block of the tower crane is retracted, the lifting device is hooked with the lifting point of the first supporting system, and the telescopic supporting steel beam is contracted;
2) Lifting the first support system to the position of the second support system by using a lifting device, enabling the first support system to be embedded with the second support system, completing extension of a telescopic support steel beam of the first support system, supporting and fixing the telescopic support steel beam on a building structure, and loosening a lifting hook after stable installation and leveling.
8. The internal climbing tower crane according to claim 7, wherein the tower crane climbing method further comprises:
3) And then using the lifting mechanism of the tower crane, using the retraction of the oil cylinder to enable the upper and lower supporting blocks of the lifting mechanism to climb step by step on the climbing belt, lifting the tower crane to the first supporting system and the second supporting system, and then extending out of the fixed supporting blocks of the tower crane to enable the fixed supporting blocks of the tower crane to be supported on the C-shaped frame of the first supporting system, so that the first supporting system is continuously used as a tower crane foundation.
9. The internal climbing tower crane according to claim 8, wherein the tower crane climbing method further comprises:
4) And lifting the second supporting system to be embedded with the third supporting system by using a lifting device, and completing extension of the telescopic supporting steel beam of the second supporting system, and supporting and fixing the telescopic supporting steel beam on a building structure to replace the third supporting system.
10. The internal climbing tower crane according to claim 8, wherein the tower crane climbing method further comprises:
5) And finally, lifting the third supporting system to a reserved supporting position of the next layer by using a lifting device, checking the verticality of the tower crane after the installation is completed, and performing installation checking on each system, so that the inner climbing type tower crane is circularly reciprocated to realize the reverse-support-free installation.
CN202311277845.0A 2023-09-28 2023-09-28 Inner climbing type tower crane Pending CN117303229A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311277845.0A CN117303229A (en) 2023-09-28 2023-09-28 Inner climbing type tower crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311277845.0A CN117303229A (en) 2023-09-28 2023-09-28 Inner climbing type tower crane

Publications (1)

Publication Number Publication Date
CN117303229A true CN117303229A (en) 2023-12-29

Family

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Application Number Title Priority Date Filing Date
CN202311277845.0A Pending CN117303229A (en) 2023-09-28 2023-09-28 Inner climbing type tower crane

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Country Link
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