CN116216544A - Trackless movable tower crane and installation method - Google Patents
Trackless movable tower crane and installation method Download PDFInfo
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- CN116216544A CN116216544A CN202310359841.0A CN202310359841A CN116216544A CN 116216544 A CN116216544 A CN 116216544A CN 202310359841 A CN202310359841 A CN 202310359841A CN 116216544 A CN116216544 A CN 116216544A
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- China
- Prior art keywords
- tower crane
- tower
- underframe
- axis
- axis vehicle
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A trackless movable tower crane and an installation method are provided, wherein a weight-bearing chassis is installed on a tower body, the weight-bearing chassis is fixed on a foundation for operation in a working state, the height of the tower body is reduced when a working place is converted, and a transition preparation is made. The invention has simple structure and convenient production and processing, and by reasonably arranging the loading and transportation requirements of the tower crane and the axis vehicle, no walking track is required to be paved, the track paving difficulty in the early stage of construction is reduced, the construction cost in the early stage is saved, and the construction difficulty of the transfer operation is reduced.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a trackless movable tower crane and an installation method.
Background
The walking type tower crane is an important engineering facility of the tower crane, the walking type tower crane paved with the track in the construction process of the large-span space steel structure can meet the transition requirement, a plurality of tower cranes are not required to be erected for operation, and the requirement in the construction process of the large-span space steel structure is met; however, the track laying and construction installation periods are long, the laying requirements are high, reliable connection and unsettled are needed to be considered when the track laying is designed, meanwhile, the inclination of the top surface of the track in the longitudinal and transverse directions after the installation of the tower crane is needed to be considered, the gap between rail joints and the like are required to meet the standards, the energy is saved, the environment is not protected, the long-period open-air operation period is shortened, the track is easy to damage, daily inspection is needed to be carried out on the track, the tower crane operation risk caused by track deformation and rail damage is avoided, the cost and the construction difficulty are increased, meanwhile, the track laying direction is single, and the vertical transfer operation cannot be carried out.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art and providing a trackless movable tower crane with simple structure and good effect and an installation method.
The invention is realized by the following technical scheme: the utility model provides a trackless movable tower machine, includes a plurality of tower body sections that can modularization dismantlement, and tower machine lower extreme is equipped with the weight formula chassis, still includes the axis car that the cooperation transportation used.
It is further: the tower body section comprises a standard section, a reinforcing section, a basic section I and a basic section II.
The installation method of the trackless mobile tower crane comprises the following steps:
s1, lowering a tower, and after lowering the tower, enabling one side of a balance arm to face to the advancing direction of an axis vehicle;
s2, aligning the axis of the axis vehicle in the running direction with the central axis of the underframe, and detecting the gap between the axis vehicle and the underframe supporting leg;
s3, after detecting that the clearance between the axis vehicle and the underframe is normal, slowly increasing the height of the axis vehicle to enable the surface of the axis vehicle to be in contact with the lower surface of the lower support underframe beam so as to enable the underframe to be slightly stressed;
s4, stopping the lifting of the axis vehicle, and detecting the clearance of the axis vehicle and the levelness of the upper surface;
s5, slowly increasing the height of the axis vehicle, enabling the underframe leveling device to stably leave the ground, stably running the axis vehicle, and dragging the tower crane to move towards a target area;
and S6, after the tower crane reaches a target area, the height of the axial crane is slowly reduced, the steady motion state of the tower crane is observed in the descending process, the equality of the ground clearance is ensured, and finally, the leveling device of the bottom frame of the tower crane is slowly and stably landed.
In the step S1, the operation rules of installing and detaching the tower crane are strictly followed when lowering the tower.
In step S1, the upper part of the tower body is turned to be in a locking state when the tower is lowered.
In steps S2 and S4, detection is performed using a multi-point sampling detection method.
In step S2, the gaps at both sides are ensured to be equal.
The invention has the following advantages: the trackless movable tower crane and the installation method have the advantages of simple structural form, convenient production and processing, no need of paving a walking track by reasonably arranging the loading and transporting requirements of the tower crane and the axis car, reduction of the paving difficulty of the track in the early stage of construction, saving of the construction cost in the early stage and reduction of the construction difficulty of the transition operation.
Drawings
FIG. 1 is a schematic view of a working body of the present invention;
FIG. 2 is a schematic view of the walking state of the present invention;
fig. 3 is a schematic view of the present invention in an axle carriage in-position state.
In the figure: 1. standard section, 2, reinforcing section, 3, basic section I, 4, basic section II.
Description of the embodiments
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are for illustration and explanation of the present invention, and are not intended to limit the present invention.
The trackless movable tower crane shown in fig. 1 to 3 comprises a plurality of tower body sections which can be disassembled in a modularized mode, a weight type underframe is arranged at the bottommost end of the tower crane, and an axis car matched with transportation. The tower body section comprises a standard section 1, a reinforcing section 2, a basic section I3 and a basic section II 4. According to the trackless movable tower crane, the weight type underframe is arranged on the tower body, the weight type underframe is fixed on a foundation for operation in a working state, the height of the tower body is reduced and a transfer preparation is made when a working place is changed, the whole transportation and transfer of the tower crane are carried out by adopting the axis vehicle, a track is not required to be paved, and the running requirement is reduced; the axis car has a large bearing capacity, satisfies the transportation of large-tonnage objects, can realize the movements of steering and the like, satisfies the integral transportation of the tower crane, and realizes the transition operation of the tower crane.
The installation method of the trackless mobile tower crane comprises the following steps:
s1, lowering a tower, wherein when lowering the tower, one side of a balance arm faces to the advancing direction of an axis car after lowering the tower, and the rotating upper part of the tower body is in a locking state, so that safety accidents caused by the rotating upper part in the running process of the tower are prevented, and meanwhile, a lifting hook is lowered to a bottom frame position, is fixed on the bottom frame and tightens a steel wire rope, and the lifting hook is prevented from shaking in the running process of the tower;
s2, aligning the axis of the axis vehicle in the running direction with the central axis of the underframe, detecting the clearance between the axis vehicle and the underframe support leg, and ensuring that the clearances at two sides are equal; detecting gaps between the upper surface of the axis vehicle and the lower surface of the lower support frame beam by multipoint sampling, and ensuring that the gaps of all points are equal, wherein the axis vehicle is in a horizontal state; if the left and right gaps and the upper surface levelness are out of tolerance, the axis car is adjusted to ensure that the left and right gaps are equal and the upper surface reaches a horizontal state, as shown in fig. 3;
s3, after detecting that the clearance between the axis vehicle and the underframe is normal, slowly increasing the height of the axis vehicle to enable the surface of the axis vehicle to be in contact with the lower surface of the lower support underframe beam, so that the underframe is slightly stressed;
s4, stopping the lifting of the axis vehicle, and detecting the gap and the levelness of the upper surface of the axis vehicle by adopting a multipoint sampling detection mode again; if the left and right gaps and the upper surface levelness are out of tolerance, the axis car is adjusted to ensure that the left and right gaps are equal and the upper surface is in a horizontal state;
s5, slowly increasing the height of the axis vehicle, enabling the underframe leveling device to stably leave the ground, stably running the axis vehicle, and dragging the tower crane to move towards a target area;
s6, after reaching a target area, slowly reducing the height of the axis vehicle, observing the steady state of the tower crane in the descending process, ensuring equal ground clearance, and finally enabling the leveling device of the tower crane underframe to slowly and stably land; the axis car continues to lower the height to leave the lower surface of the lower support underframe beam, the tower crane underframe is withdrawn, the lifting hook is loosened and lifted, and the state of the tower crane underframe is returned to the state of fig. 2; and after detecting that the tower crane is normal, carrying out jacking and section adding operation, and ending the transition of the walking tower crane.
The trackless movable tower crane and the installation method thereof can not only meet the requirement of working at a fixed place with a long period, but also meet the requirement of large-span space operation by moving and replacing the working place, and can realize trackless movable operation without paving and installing tracks in the early stage of construction.
Finally, it should be noted that: the foregoing description is only a preferred example of the present invention and is not intended to limit the present invention, but although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A trackless mobile tower crane, characterized in that: the tower crane comprises a plurality of tower body sections which can be disassembled in a modularized mode, a weight type underframe is arranged at the bottommost end of the tower crane, and an axis car matched with transportation.
2. A trackless mobile tower machine according to claim 1, wherein: the tower body section comprises a standard section (1), a reinforcing section (2), a basic section I (3) and a basic section II (4).
3. The installation method of the trackless mobile tower crane is characterized by comprising the following steps of: the method comprises the following steps:
s1, lowering a tower, and after lowering the tower, enabling one side of a balance arm to face to the advancing direction of an axis vehicle;
s2, aligning the axis of the axis vehicle in the running direction with the central axis of the underframe, and detecting the gap between the axis vehicle and the underframe supporting leg;
s3, after detecting that the clearance between the axis vehicle and the underframe is normal, slowly increasing the height of the axis vehicle to enable the surface of the axis vehicle to be in contact with the lower surface of the lower support underframe beam so as to enable the underframe to be slightly stressed;
s4, stopping the lifting of the axis vehicle, and detecting the clearance of the axis vehicle and the levelness of the upper surface;
s5, slowly increasing the height of the axis vehicle, enabling the underframe leveling device to stably leave the ground, stably running the axis vehicle, and dragging the tower crane to move towards a target area;
and S6, after the tower crane reaches a target area, the height of the axial crane is slowly reduced, the steady motion state of the tower crane is observed in the descending process, the equality of the ground clearance is ensured, and finally, the leveling device of the bottom frame of the tower crane is slowly and stably landed.
4. A method of installing a trackless mobile tower crane according to claim 3, wherein: in the step S1, the operation rules of installing and detaching the tower crane are strictly followed when lowering the tower.
5. A method of installing a trackless mobile tower crane according to claim 3, wherein: in step S1, the upper part of the tower body is turned to be in a locking state when the tower is lowered.
6. A method of installing a trackless mobile tower crane according to claim 3, wherein: in steps S2 and S4, detection is performed using a multi-point sampling detection method.
7. A method of installing a trackless mobile tower crane according to claim 3, wherein: in step S2, the gaps at both sides are ensured to be equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310359841.0A CN116216544A (en) | 2023-04-06 | 2023-04-06 | Trackless movable tower crane and installation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310359841.0A CN116216544A (en) | 2023-04-06 | 2023-04-06 | Trackless movable tower crane and installation method |
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| Publication Number | Publication Date |
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| CN116216544A true CN116216544A (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310359841.0A Pending CN116216544A (en) | 2023-04-06 | 2023-04-06 | Trackless movable tower crane and installation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117585597A (en) * | 2024-01-18 | 2024-02-23 | 山东中建众力设备租赁有限公司 | Jacking installation conversion device and method for different tower body sections of tower crane |
-
2023
- 2023-04-06 CN CN202310359841.0A patent/CN116216544A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117585597A (en) * | 2024-01-18 | 2024-02-23 | 山东中建众力设备租赁有限公司 | Jacking installation conversion device and method for different tower body sections of tower crane |
| CN117585597B (en) * | 2024-01-18 | 2024-03-29 | 山东中建众力设备租赁有限公司 | Jacking installation conversion device and method for different tower body sections of tower crane |
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