CN115583584A - Unequal-height double-fulcrum full-rotation type light truss hoisting device and construction method - Google Patents
Unequal-height double-fulcrum full-rotation type light truss hoisting device and construction method Download PDFInfo
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- CN115583584A CN115583584A CN202211534518.4A CN202211534518A CN115583584A CN 115583584 A CN115583584 A CN 115583584A CN 202211534518 A CN202211534518 A CN 202211534518A CN 115583584 A CN115583584 A CN 115583584A
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- upright post
- fulcrum
- hoisting
- truss
- rotating mechanism
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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
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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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
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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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
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention particularly relates to an unequal-height double-fulcrum full-rotation type light truss hoisting device and a construction method, which solve the problems that when hoisting equipment or a scaffold and a steel plate are adopted for hoisting operation of a high-altitude circular building in the prior art, the hoisting equipment cannot completely cover a construction surface, the bearing capacity of a structural floor slab is insufficient, the hoisting equipment or the scaffold and the steel plate are difficult to support, and the occupied area is large. A non-equal-height double-fulcrum full-rotation light truss hoisting device comprises a main upright post rotating mechanism fixed at the central point of a circular building, a fulcrum travelling mechanism rotating around the main upright post rotating mechanism, a truss hoisting mechanism positioned between the main upright post rotating mechanism and the fulcrum travelling mechanism and an annular track. The main upright post rotating mechanism, the fulcrum travelling mechanism and the truss hoisting mechanism are operated together to form a double-fulcrum circular working coverage surface capable of rotating fully at 360 degrees; the construction space is released, multi-professional cross construction is realized, the construction period is shortened, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an unequal-height double-fulcrum full-rotation type light truss hoisting device and a construction method.
Background
When a large high-altitude circular building is constructed, hoisting equipment is usually arranged on a structural floor slab, and a dome of the circular building is constructed by using the hoisting equipment; or a large number of scaffolds and steel plates are erected on the structural floor slab, and the scaffolds and the steel plates are used as supports to construct a dome of the circular building; both of these construction methods require reinforcement of the structural floor.
However, practice shows that the following problems exist when hoisting equipment or a scaffold and a steel plate are erected for hoisting the high-altitude circular building in the prior art: the construction area of a large high-altitude circular building is large, the hoisting equipment cannot cover the construction surface completely, the hoisting equipment only has one bearing fulcrum, the requirement on the bearing capacity of the bearing fulcrum is high, high bearing capacity is also needed when a large number of scaffolds and steel plates are erected, the bearing capacity of a structural floor is insufficient, the hoisting equipment is difficult to support, the construction efficiency is low, and the construction period is long; meanwhile, the two construction modes are both constructed in the large high-altitude circular building, the area of a large number of structural floor slabs is occupied during construction, multi-professional cross construction cannot be performed, and further construction period is long, and even construction cannot be performed due to the fact that the construction field is limited, operation conditions cannot be met, and construction cannot be performed.
Therefore, it is necessary to invent an unequal-height double-pivot fully-rotary light truss hoisting device and a construction method to solve the problems.
Disclosure of Invention
The invention provides an unequal-height double-fulcrum fully-rotary type light truss lifting device and a construction method, aiming at solving the problems that when the existing lifting equipment or a mode of erecting a scaffold and a steel plate is adopted to carry out lifting operation on a high-altitude circular building, the lifting equipment cannot completely cover a construction surface, the bearing capacity of a structural floor slab is insufficient, the lifting equipment or the scaffold and the steel plate are difficult to support, and the occupied area is large.
The invention is realized by adopting the following technical scheme:
a non-equal-height double-fulcrum full-rotation type light truss hoisting device comprises a main upright post rotating mechanism fixed at the central point of a circular building, a fulcrum travelling mechanism rotating around the main upright post rotating mechanism, a truss hoisting mechanism positioned between the main upright post rotating mechanism and the fulcrum travelling mechanism and an annular track for the fulcrum travelling mechanism to travel, wherein the annular track is positioned at the waist part of the circular building; the horizontal elevation of the bottom end of the main upright post rotating mechanism is higher than that of the bottom end of the fulcrum travelling mechanism;
the main upright post rotating mechanism comprises a central upright post, the bottom end of the central upright post is fixed at the central point of the circular building through a reinforcing mechanism, a bearing is arranged at the top end of the central upright post, the outer ring of the bearing is fixedly connected with the inner side wall of the central upright post, a crown shaft with a circular truncated cone structure at the upper end and a cylindrical structure at the lower end is arranged above the central upright post, and the lower end of the crown shaft is fixedly connected with the inner ring of the bearing;
the supporting point walking mechanism comprises a longitudinal rod arranged above the annular track, two universal wheels with brakes and a driving motor, wherein the two universal wheels are arranged on the lower surface of the longitudinal rod and distributed along the front and back directions;
the truss hoisting mechanism comprises a horizontal track beam, one end of the horizontal track beam is fixed on the side face of the upper end of the crown shaft, the other end of the horizontal track beam is fixed on the lower surface of the keel, and the horizontal track beam is perpendicular to the keel.
Furthermore, the reinforcing mechanism comprises a horizontal base fixed at the bottom end of the central upright post, the horizontal base is fixedly connected with the central point of the circular building through a bolt, and a plurality of stiffening plates uniformly distributed along the circumferential direction are arranged between the horizontal base and the central upright post.
Furthermore, an auxiliary keel parallel to the keel is fixed on the upper surface of the horizontal track beam, and two supporting inclined vertical rods distributed along the front and the back are fixed between the auxiliary keel and the longitudinal rod; three horizontal reinforcing rods which are distributed up and down are fixed between each supporting vertical rod and the supporting inclined vertical rod matched with the position.
Furthermore, a reinforcing beam arranged in the same direction as the horizontal track beam is fixed on the upper surface of the horizontal track beam.
Furthermore, the main hoisting mechanism and the auxiliary hoisting mechanism are both running type electric hoists; the universal wheels are rubber wheels; the reinforcing beam is a square pipe or a reverse fish-bellied lattice beam or a rectangular lattice beam or a triangular lattice beam; the central upright post is made of a steel pipe, and the outer diameter of the upper part of the central upright post is larger than that of the lower part of the central upright post; the horizontal track beam, the keel and the auxiliary keel are all made of I-shaped steel.
Further, the electric hoist control system further comprises a controller, and the two operation type electric hoists and the driving motor are in wireless connection with the controller.
A construction method of an unequal-height double-fulcrum full-rotation type light truss crane is realized by adopting the following steps:
step S1: firstly, arranging an annular track at the waist of a circular building according to the condition of a construction site, then hoisting and installing a main upright rotating mechanism at the central point of the circular building by using light hoisting equipment and manpower, then installing a fulcrum travelling mechanism on the annular track, and locking a universal wheel; then, hoisting and installing the truss hoisting mechanism between the main upright post rotating mechanism and the fulcrum travelling mechanism by using light hoisting equipment and manpower;
step S2: unlocking the universal wheels, driving the universal wheels to travel along the annular track by using a driving motor, enabling the hoisted object to be positioned between the central upright post and the universal wheels, and locking the universal wheels; then the controller is utilized to drive the two operation type electric hoists to walk on the horizontal track beam, so that the two operation type electric hoists are positioned right above the hoisted object;
and step S3: the controller is used for driving the two running electric hoists to enable the lifting hook to descend, and the hoisted object is connected with the lifting hook manually and then hoisted; then driving the two running electric hoists to drive the hoisted object to reach a mounting point, then lowering the hoisted object, manually releasing the connection between the hoisted object and a lifting hook, and simultaneously unlocking the universal wheels;
and step S4: repeating the step S2 and the step S3 until the hoisting operation of the circular building is completed;
step S5: after the hoisting operation of the circular building is finished, firstly, the connection between the fulcrum travelling mechanism and the truss hoisting mechanism is released, and meanwhile, the connection between the main upright post rotating mechanism and the central point of the circular building is released; then, the truss hoisting mechanism and the main upright post rotating mechanism are hoisted to the ground together by using light hoisting equipment and manpower; then, hoisting the fulcrum travelling mechanism to the ground by using light hoisting equipment and manpower; the connection of the circular rail to the circular building is then released.
The invention has reasonable and reliable structural design, and the upright post rotating mechanism, the fulcrum travelling mechanism, the truss hanging mechanism and the annular track are all erected outside the large-scale high-altitude circular building; the main upright post rotating mechanism, the fulcrum travelling mechanism and the truss hoisting mechanism are operated in a combined manner, so that a double-fulcrum circular working coverage surface capable of rotating in 360 degrees is formed, the problem that hoisting equipment cannot cover the construction surface comprehensively is solved, the working efficiency is improved, and the construction period is shortened; meanwhile, the structural design that the heights of the main upright post rotating mechanism and the fulcrum travelling mechanism are different can be suitable for a dome of a large circular building; furthermore, the integral structure is light and handy, the device can be installed on a large-scale high-altitude circular building, the area of a structural floor slab does not need to be occupied, the bearing of the structural floor slab is also not needed, the released space of the structural floor slab can be used for cross construction, and the construction period is further shortened; meanwhile, a scaffold and a steel plate do not need to be erected, so that the investment of measure cost is reduced; has the advantages of convenient operation, time and labor saving and high safety; the high-altitude assembly can be completed by parts, and the high-altitude assembly fixture is particularly suitable for construction and construction of large-scale round buildings with high and dense decorative layer rod pieces such as roof domes and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a top view of the present invention.
In the figure: 1-central upright column, 2-crown shaft, 3-longitudinal rod, 4-universal wheel, 5-driving motor, 6-keel, 7-supporting upright rod, 8-horizontal track beam, 9-main hoisting mechanism, 10-auxiliary hoisting mechanism, 11-horizontal base, 12-stiffening plate, 13-auxiliary keel, 14-supporting inclined upright rod, 15-horizontal reinforcing rod, 16-reinforcing beam and 17-circular track.
Detailed Description
A non-equal-height double-fulcrum full-rotation type light truss hoisting device is shown in attached figures 1-3 and comprises a main upright post rotating mechanism fixed at the central point of a circular building, a fulcrum travelling mechanism rotating around the main upright post rotating mechanism, a truss hoisting mechanism positioned between the main upright post rotating mechanism and the fulcrum travelling mechanism and an annular track 17 for the fulcrum travelling mechanism to travel, wherein the annular track 17 is positioned at the waist part of the circular building; the horizontal elevation of the bottom end of the main upright post rotating mechanism is higher than the horizontal elevation of the bottom end of the fulcrum travelling mechanism;
the main upright post rotating mechanism comprises a central upright post 1, the bottom end of the central upright post 1 is fixed at the central point of the circular building through a reinforcing mechanism, a bearing is arranged at the top end of the central upright post 1, the outer ring of the bearing is fixedly connected with the inner side wall of the central upright post 1, a crown shaft 2 with a circular truncated cone structure at the upper end and a cylindrical structure at the lower end is arranged above the central upright post 1, and the lower end of the crown shaft 2 is fixedly connected with the inner ring of the bearing;
the fulcrum travelling mechanism comprises a longitudinal rod 3 arranged above the annular track, two universal wheels 4 with brakes and a driving motor 5, wherein the two universal wheels 4 are arranged on the lower surface of the longitudinal rod 3 and are distributed along the front and back directions, the base of the driving motor is fixed on the longitudinal rod 3 and drives the universal wheels 4 to travel, a keel 6 arranged along the longitudinal direction is arranged above the longitudinal rod 3, and two supporting vertical rods 7 distributed along the front and back directions are fixed between the keel 6 and the longitudinal rod 3;
the truss hoisting mechanism comprises a horizontal track beam 8, one end of the horizontal track beam is fixed on the side face of the upper end of the crown shaft 2, the other end of the horizontal track beam is fixed on the lower surface of the keel 6 and is perpendicular to the keel, and a main hoisting mechanism 9 and an auxiliary hoisting mechanism 10 are connected to the horizontal track beam 8 in a sliding mode.
According to the invention, the main upright post rotating mechanism, the fulcrum travelling mechanism, the truss hanging mechanism and the annular track 17 are all arranged outside the circular building, and a circular working coverage surface capable of 360-degree full rotation is formed along with the travelling of the fulcrum travelling mechanism around the main upright post rotating mechanism on the annular track 17, so that the all-round coverage of a construction area is realized, the working efficiency is improved, and the construction period is shortened; meanwhile, the main upright post rotating mechanism and the fulcrum travelling mechanism form a bearing double fulcrum, and the weight of a hoisted object is shared by the two fulcrums, so that the bearing capacity of the main upright post rotating mechanism is reduced, and the requirement on the bearing capacity of a circular building is lowered; meanwhile, the heights of the main upright post rotating mechanism and the fulcrum travelling mechanism are unequal, so that the device can be better suitable for domes of large circular buildings; the device has a light and handy whole structure, can be installed on a large-scale high-altitude circular building, does not need to occupy the area of a structural floor slab and bear the weight of the structural floor slab, and the released space of the structural floor slab can be used for cross construction, so that the construction period is further shortened; meanwhile, a scaffold and a steel plate do not need to be erected, so that the investment of measure cost is reduced; the truss hoisting mechanism realizes hoisting operation on hoisted objects, and the main hoisting mechanism 9 and the auxiliary hoisting mechanism 10 are matched for use, so that the balance coefficient of the hoisted objects is increased, and the safety coefficient in the hoisting operation is increased;
the horizontal track beam 8 and the inclined connecting surface at the upper end of the crown shaft 2 are welded and fixed, so that the bearing capacity of the crown shaft 2 is enhanced while the welding area is increased, and the structural firmness of the invention is further improved.
As shown in fig. 1 and 2, the reinforcing mechanism includes a horizontal base 11 fixed at the bottom end of the central upright post 1, the horizontal base 11 is fixedly connected with the central point of the circular building through a bolt, and a plurality of stiffening plates 12 uniformly distributed along the circumferential direction are arranged between the horizontal base 11 and the central upright post 1.
The design of the reinforcing mechanism realizes the fixed connection between the central upright post 1 and the central point of the circular building, and the structural firmness of the central upright post 1 is improved.
As shown in the attached drawing 1, a cross keel 13 parallel to the keel 6 is fixed on the upper surface of the horizontal track beam 8, and two supporting inclined vertical rods 14 distributed along the front and back are fixed between the cross keel 13 and the longitudinal rod 3; three horizontal reinforcing rods 15 which are distributed up and down are fixed between each supporting vertical rod 7 and the supporting inclined vertical rod 14 which is matched with the supporting vertical rod.
The structural design of the auxiliary keel 13, the inclined supporting rod 14 and the horizontal reinforcing rod 15 further strengthens the supporting force of the fulcrum travelling mechanism, prevents overturning in the hoisting process and further increases structural firmness.
As shown in fig. 1 to 3, a reinforcing beam 16 is fixed on the upper surface of the horizontal track beam 8 and is arranged in the same direction.
The structural design of the reinforcing beam 16 can further strengthen the supporting force of the truss hanging mechanism, and the structural reliability of the device is improved.
As shown in fig. 1, the main hoisting mechanism 9 and the auxiliary hoisting mechanism 10 are both running electric hoists; the universal wheel 4 is a rubber wheel; the reinforcing beam 16 is a square pipe or a reverse fish-bellied lattice beam or a rectangular lattice beam or a triangular lattice beam; the central upright post 1 is made of a steel pipe, and the outer diameter of the upper part of the central upright post 1 is larger than that of the lower part; the horizontal rail beams 8, the keels 6 and the cross keels 13 are all made of i-steel.
The rubber wheel can reduce the vibration of the fulcrum travelling mechanism during travelling;
the square pipe or the inverse fish belly type lattice beam or the rectangular lattice beam or the triangular lattice beam has strong bearing capacity and light dead weight, and is convenient to splice and mount;
the structural design that the external diameter of the upper portion of the central upright post 1 is larger than that of the lower portion is convenient for mounting a bearing.
The electric hoist and the driving motor 5 are in wireless connection with the controller.
A construction method of an unequal-height double-fulcrum full-rotation type light truss crane is realized by adopting the following steps:
step S1: firstly, arranging an annular track 17 at the waist of a circular building according to the condition of a construction site, then hoisting and installing a main upright rotating mechanism at the central point of the circular building by using light hoisting equipment and manpower, then installing a fulcrum travelling mechanism on the annular track 17, and locking a universal wheel 4; then, the truss hoisting mechanism is hoisted and installed between the main upright post rotating mechanism and the fulcrum travelling mechanism by using light hoisting equipment and manpower;
step S2: unlocking the universal wheels 4, driving the universal wheels 4 to travel along the annular track by using a driving motor 5, enabling the hoisted object to be positioned between the central upright post 1 and the universal wheels 4, and locking the universal wheels 4; then, a controller (a wireless remote controller) is utilized to drive the two operation type electric hoists to travel on the horizontal track beam 8, so that the two operation type electric hoists are positioned right above the hoisted object;
and step S3: the two running electric hoists are driven by a controller (a wireless remote controller) to enable the lifting hook to descend, and a hoisted object is connected with the lifting hook manually and then hoisted; then, driving the two running electric hoists to drive the hoisted object to reach a mounting point, then lowering the hoisted object, manually removing the connection between the hoisted object and a lifting hook, and simultaneously unlocking the universal wheel 4;
and step S4: repeating the step S2 and the step S3 until the hoisting operation of the circular building is completed;
step S5: after the hoisting operation of the circular building is finished, firstly, the connection between the fulcrum travelling mechanism and the truss hoisting mechanism is released, and meanwhile, the connection between the main upright post rotating mechanism and the central point of the circular building is released; then the truss hoisting mechanism and the main upright post rotating mechanism are hoisted to the ground together by using light hoisting equipment and manpower; then, hoisting the fulcrum travelling mechanism to the ground by using light hoisting equipment and manpower; the connection of the circular rail 17 to the circular building is then released.
In the specific implementation process, the annular rail 17 is of a metal structure and can be properly widened to improve the stability, so that the fulcrum travelling mechanism is not easy to overturn.
The device can realize the lifting and the displacement of a larger load, and is enough to finish the hoisting construction of a circular building; the device adopts aluminum alloy as a material, so that the self weight of the device is further reduced.
A supporting upright post positioned in a large circular building can be arranged at the bottom end of the main upright post rotating mechanism and used for enhancing the bearing capacity of the main upright post rotating mechanism.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a light-duty purlin of height double-pivot full rotation is hung and is put which characterized in that not: the device comprises a main upright post rotating mechanism fixed at the central point of the circular building, a fulcrum travelling mechanism rotating around the main upright post rotating mechanism, a truss hanging mechanism positioned between the main upright post rotating mechanism and the fulcrum travelling mechanism and an annular track (17) for the fulcrum travelling mechanism to travel, wherein the annular track (17) is positioned at the waist part of the circular building; the horizontal elevation of the bottom end of the main upright post rotating mechanism is higher than the horizontal elevation of the bottom end of the fulcrum travelling mechanism;
the main upright post rotating mechanism comprises a central upright post (1) of which the bottom end is fixed at the central point of the circular building through a reinforcing mechanism, a bearing of which the outer ring is fixedly connected with the inner side wall of the central upright post (1) is arranged at the top end of the central upright post (1), a crown shaft (2) of which the upper end is of a circular truncated cone structure and the lower end is of a cylindrical structure is arranged above the central upright post (1), and the lower end of the crown shaft (2) is fixedly connected with the inner ring of the bearing;
the fulcrum travelling mechanism comprises a longitudinal rod (3) arranged above an annular track (17), two universal wheels (4) which are arranged on the lower surface of the longitudinal rod (3) and are distributed along the front and back direction, and a driving motor (5) of which the base is fixed on the longitudinal rod (3) and drives the universal wheels (4) to travel, wherein a keel (6) arranged along the longitudinal direction is arranged above the longitudinal rod (3), and two supporting vertical rods (7) distributed along the front and back direction are fixed between the keel (6) and the longitudinal rod (3);
the truss hoisting mechanism comprises a horizontal track beam (8) with one end fixed on the side surface of the upper end of the crown shaft (2) and the other end fixed on the lower surface of the keel (6) and vertical to the keel, and a main hoisting mechanism (9) and an auxiliary hoisting mechanism (10) are connected on the horizontal track beam (8) in a sliding manner.
2. The light-duty truss and hanging device of full rotation of high pair of fulcrums that varies according to claim 1, characterized by: the reinforcing mechanism comprises a horizontal base (11) fixed at the bottom end of the central upright post (1), the horizontal base (11) is fixedly connected with the central point of the circular building through a bolt, and a plurality of stiffening plates (12) which are uniformly distributed along the circumferential direction are arranged between the horizontal base (11) and the central upright post (1).
3. The light-duty truss and hanging device of full rotation of high pair of fulcrums that varies according to claim 1, characterized by: an auxiliary keel (13) parallel to the keel (6) is fixed on the upper surface of the horizontal track beam (8), and two supporting inclined vertical rods (14) distributed along the front and back are fixed between the auxiliary keel (13) and the longitudinal rod (3); three horizontal reinforcing rods (15) which are distributed up and down are fixed between each supporting vertical rod (7) and the supporting inclined vertical rods (14) which are matched with the supporting vertical rods in position.
4. The light-duty truss and hanging device of full rotation of high pair of fulcrums that varies according to claim 3, characterized by: and a reinforcing beam (16) arranged in the same direction as the horizontal track beam (8) is fixed on the upper surface of the horizontal track beam.
5. The light-duty truss and hanging device of full rotation of high pair of fulcrums that varies according to claim 4, characterized by: the main hoisting mechanism (9) and the auxiliary hoisting mechanism (10) are both running electric hoists; the universal wheel (4) is a rubber wheel; the reinforcing beam (16) is a square pipe or a reverse fish belly type lattice beam or a rectangular lattice beam or a triangular lattice beam; the central upright post (1) is made of steel pipes, and the outer diameter of the upper part of the central upright post (1) is larger than that of the lower part; the horizontal track beam (8), the keel (6) and the auxiliary keel (13) are all made of I-shaped steel.
6. The light-duty truss and hanging device of full rotation of high pair of fulcrums that varies according to claim 5, characterized by: the electric hoist and the driving motor (5) are in wireless connection with the controller.
7. A construction method of an unequal-height double-fulcrum fully-revolving type light truss crane, which is realized based on the unequal-height double-fulcrum fully-revolving type light truss crane device as claimed in claim 6, is characterized in that: the method is realized by adopting the following steps:
step S1: firstly, arranging an annular track (17) at the waist of a circular building according to the conditions of a construction site, then hoisting and installing a main upright rotating mechanism at the central point of the circular building by using light hoisting equipment and manpower, then installing a fulcrum travelling mechanism on the annular track (17), and locking a universal wheel (4); then, the truss hoisting mechanism is hoisted and installed between the main upright post rotating mechanism and the fulcrum travelling mechanism by using light hoisting equipment and manpower;
step S2: unlocking the universal wheel (4), driving the universal wheel (4) to travel along the annular rail (17) by using the driving motor (5), enabling the hoisted object to be positioned between the central upright post (1) and the universal wheel (4), and locking the universal wheel (4); then, the controller is used for driving the two operation type electric hoists to walk on the horizontal track beam (8), so that the two operation type electric hoists are positioned right above the hoisted object;
and step S3: the controller is used for driving the two running electric hoists to enable the lifting hook to descend, and the hoisted object is connected with the lifting hook manually and then hoisted; then, driving the two running electric hoists to drive the hoisted object to reach a mounting point, then lowering the hoisted object, manually releasing the connection between the hoisted object and a lifting hook, and simultaneously unlocking the universal wheel (4);
and step S4: repeating the step S2 and the step S3 until the hoisting operation of the circular building is completed;
step S5: after the hoisting operation of the circular building is finished, firstly, the connection between the fulcrum travelling mechanism and the truss hoisting mechanism is released, and meanwhile, the connection between the main upright post rotating mechanism and the central point of the circular building is released; then the truss hoisting mechanism and the main upright post rotating mechanism are hoisted to the ground together by using light hoisting equipment and manpower; then, hoisting the fulcrum travelling mechanism to the ground by using light hoisting equipment and manpower; the connection of the circular rail (17) to the circular building is then released.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211534518.4A CN115583584A (en) | 2022-12-02 | 2022-12-02 | Unequal-height double-fulcrum full-rotation type light truss hoisting device and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211534518.4A CN115583584A (en) | 2022-12-02 | 2022-12-02 | Unequal-height double-fulcrum full-rotation type light truss hoisting device and construction method |
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| CN115583584A true CN115583584A (en) | 2023-01-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117945292A (en) * | 2024-03-26 | 2024-04-30 | 山西六建集团有限公司 | Anti-collision and control method for project inner group tower operation |
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2022
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117945292A (en) * | 2024-03-26 | 2024-04-30 | 山西六建集团有限公司 | Anti-collision and control method for project inner group tower operation |
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