CN112209221B - Hoisting device and hoisting method for projecting structure of high-rise cylindrical building - Google Patents
Hoisting device and hoisting method for projecting structure of high-rise cylindrical building Download PDFInfo
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- CN112209221B CN112209221B CN202010955125.5A CN202010955125A CN112209221B CN 112209221 B CN112209221 B CN 112209221B CN 202010955125 A CN202010955125 A CN 202010955125A CN 112209221 B CN112209221 B CN 112209221B
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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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
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
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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
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a hoisting device and a method for a projecting structure of a high-rise cylindrical building, belonging to the technical field of building engineering; the problem of high construction difficulty in integral hoisting of a projecting structure of a high-rise cylindrical building is solved; the high-rise cylindrical building comprises a top anchoring beam, a bottom hanging beam and lifting equipment, wherein a plurality of supporting points are distributed on a cylindrical body of the high-rise cylindrical building, and supporting beams extending out of the cylindrical body are arranged at the supporting points; the top anchoring beam is fixedly connected to the supporting beam, the bottom hanging beam is fixedly connected with the protruding structure to be lifted, the lifting equipment is fixed to the top anchoring beam, the lifting equipment is fixedly connected with the bottom hanging beam through a lifting stranded wire, and the protruding structure is integrally lifted by the lifting equipment by taking the cylindrical body as the center; the invention can lift the projecting structure integrally around the high-rise cylindrical building, realizes that the lifting structure is in place in one step, greatly facilitates subsequent construction, does not need operations such as assembly at high altitude, and improves the construction accuracy of the buildings.
Description
Technical Field
The invention belongs to the technical field of building engineering, and particularly relates to a hoisting device and a hoisting method for a projecting structure of a high-rise cylindrical building.
Background
When a convex structure is additionally built on the periphery of the upper layer of a high-rise cylindrical building, the generally adopted method is that on the basis of the built cylindrical building, the convex annular building is spliced and installed after being hoisted in blocks; the problem that brings like this is that the assembly degree of difficulty is big, and the angle etc. of being difficult to assembling is controlled at the in-process of high altitude operation simultaneously, causes the accuracy of construction to descend. There is also a method of integral hoisting between two low-rise buildings, the height of the integral hoisting is low, and the interference in the hoisting process is less, so the integral hoisting is usually used between the low-rise buildings and the two buildings which are independent.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a hoisting device and a hoisting method for a projecting structure of a high-rise cylindrical building. The method is used for solving the problem that the integral hoisting construction difficulty of the projecting structure of the high-rise cylindrical building is high.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
A hoisting device for a projecting structure of a high-rise cylindrical building comprises a top anchoring beam, a bottom hoisting beam and a hoisting device, wherein a plurality of supporting points are distributed on a cylindrical body of the high-rise cylindrical building, supporting beams extending out of the cylindrical body are arranged at the supporting points, and reinforcing rod pieces are arranged between the supporting beams and the cylindrical body; the top anchoring beam is fixedly connected to the supporting beam, the bottom hanging beam is fixedly connected with the protruding structure to be lifted, the lifting equipment is fixed to the top anchoring beam and fixedly connected with the bottom hanging beam through the lifting stranded wires, and the protruding structure is lifted integrally by taking the cylindrical body as the center through the lifting equipment.
Furthermore, two perpendicular supporting beams are arranged at the supporting points, and the supporting beams of two adjacent supporting points are intersected to form a supporting point.
Furthermore, the top anchoring beam is a polygonal structure formed by connecting a plurality of anchoring beams, and each anchoring beam is provided with a lifting device.
Further preferably, the top anchoring beam is fixedly built on the plurality of anchoring beam bodies and the supporting points.
Furthermore, the bottom hanging beam is a polygonal structure formed by connecting a plurality of anchoring beams, and the shape of the top anchoring beam is the same as that of the bottom hanging beam.
Furthermore, the lifting equipment is connected with the middle point of each anchoring beam of the bottom lifting beam through a lifting stranded wire.
Further, the top anchoring beam and the bottom hanging beam are in an octagonal structure formed by connecting the anchoring beams.
Furthermore, be provided with the guide way on the hanging beam of bottom for guide the hoist and mount stranded conductor, the outside disconnected position girder steel bracket of cylindricality body stretches out the length of end from top to bottom convergent, is used for preventing to bump with the cylindricality body at the in-process that the salient structure hoist and mount promoted.
Furthermore, the lifting equipment is a hydraulic lifting oil cylinder, and the hydraulic lifting oil cylinder is driven by a hydraulic pump station.
Furthermore, the system also comprises a sensing detection device and a control system, wherein the sensing detection device is used for acquiring the position information, the load information and the air attitude information of the projecting structure of the hydraulic lifting oil cylinder; and the control system is connected with the sensing detection device and used for receiving signals and controlling the synchronous action of the hydraulic lifting oil cylinder.
Furthermore, the sensing and detecting device comprises a pressure sensor and a cylinder position sensor.
A hoisting method by using a hoisting device for a projecting structure of a high-rise cylindrical building comprises the following steps:
1) assembling an annular convex structure on the skirt house roof of the high-rise cylindrical building by taking the high-rise cylindrical building as a center, connecting a bottom hanging beam on the convex structure, and fixedly connecting a top anchoring beam at the top of the high-rise cylindrical building; lifting equipment is uniformly arranged on the top anchoring beam.
2) Connecting the lifting equipment with the hoisting stranded wire, and then connecting the hoisting stranded wire to the bottom hoisting beam; starting lifting equipment, and horizontally and integrally lifting the convex structure around the high-rise cylindrical building; and stopping hoisting when the lifting device is lifted to a height of 20-25 m from the skirt house roof, and locking the lifting device.
3) The protruding structure is tied by the guy rope from four directions of south, east, west and north, one end of the guy rope is fixed on the protruding structure, and the other end of the guy rope is fixed on an assembling platform of the skirt house roof.
4) And installing a cantilever support truss between the high-rise columnar building and the skirt house roof.
5) And unlocking the locked lifting equipment, loosening the guy rope and continuously lifting the guy rope till the designed elevation, and then connecting the protruding structure with the cylindrical body.
Compared with the prior art, the invention has the beneficial effects that.
The hoisting device is suitable for hoisting the externally surrounding convex structure of the high-rise cylindrical building, can hoist the convex structure integrally around the high-rise cylindrical building, realizes one-step in-place hoisting of the structure, greatly facilitates subsequent construction, does not need operations such as assembling at high altitude, and improves the construction accuracy of the buildings.
Drawings
FIG. 1 is a vertical layout view of a truss hoist point of a rotary restaurant according to an embodiment;
FIG. 2 is a layout view of the lifting points of the hanging of the embodiment of the rotary restaurant;
FIG. 3 is a diagram of an embodiment of a lower lifting beam arrangement for a rotary restaurant;
FIG. 4 is a schematic illustration of a first phase of the embodiment of the rotary restaurant hoisting;
FIG. 5 is a schematic view of the second stage of the embodiment of the hanging of the revolving restaurant;
in the figure, 1 is a top anchoring beam, 2 is a bottom hanging beam, 3 is a fulcrum, 4 is a supporting beam, 5 is a central cylinder body, 6 is a rotary restaurant, 7 is a hydraulic lifting cylinder, 8 is a hydraulic pump station, 9 is a steel strand, 10 is a reinforcing rod piece, 11 is a broken steel beam bracket, 12 is a conversion truss, 13 is a cable rope, and 14 is a 4-outrigger supporting truss.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
Taking a circular rotary dining room additionally built at the top of a high-rise cylindrical building as an example, the steel structure of the rotary dining room is integrally assembled on a skirt house with a two-layer steel structure, and then the construction is carried out by adopting a hydraulic integral hoisting construction method. The structure system of the rotary restaurant comprises two parts, namely a conversion truss and a frame beam column. The elevation of the engineering building is as follows: 196m, 6.20 meters per tower body layer, 6.200 meters of rotary restaurant layer height, and the engineering rotary restaurant is as follows: 124 m-148.8 m, the direct rotating restaurant is 40m, and the weight is as follows: 860T. The rotary restaurant adopts a construction method of hydraulic integral lifting.
As shown in fig. 1-3, the hoisting device of the hydraulic integral lifting construction method comprises a top anchoring beam 1, a bottom hanging beam 2 and a hydraulic lifting device, eight supporting points 3 are uniformly distributed on the top of a central cylinder body 5 of the high-rise cylindrical building, two mutually perpendicular supporting beams 4 extending out of the central cylinder body 5 are arranged at each supporting point 3, and the supporting beams 4 of two adjacent supporting points are intersected to form supporting points or are mutually parallel to form a supporting surface. The top anchoring beam 1 is in an equilateral octagon shape, the top anchoring beam 1 is fixedly arranged on the supporting beams 4, and a single supporting beam 4 or two adjacent supporting beams 4 are taken as supporting points; the protruded rotary dining room 6 is of an annular structure, similarly, eight supporting points 3 are uniformly distributed on the inner side of the annular structure, two mutually perpendicular supporting beams 4 extending out of the rotary dining room 6 are arranged at each supporting point 3, and the supporting beams 4 of two adjacent supporting points are intersected to form a supporting point or are mutually parallel to form a supporting surface. The bottom hanging beam 2 is also equilateral octagon, and the bottom hanging beam 2 is fixedly arranged on a conversion truss 12 of the rotary dining room 6. The hydraulic lifting equipment comprises eight hydraulic lifting oil cylinders 7, four hydraulic pump stations 8, an operation control room and steel strands 9 matched with the hydraulic lifting oil cylinders 7, wherein the eight hydraulic lifting oil cylinders 7 are respectively fixed on the middle point of each edge of the top anchoring beam 1, the four hydraulic pump stations 8 and the operation control room are arranged in the central cylinder body 5, the hydraulic lifting oil cylinders 7 are fixedly connected with the middle point of each edge of the bottom hanging beam 2 through the steel strands 9, reinforcing rod pieces 10 are obliquely connected between the central cylinder body 5 and the supporting beams 4 on each central cylinder body 5, and the rotary dining room 6 is integrally lifted by taking the central cylinder body 5 as the center through the hydraulic lifting equipment. Wherein, the control system is arranged in the operation control chamber and is used for being connected with the sensing detection device to receive signals and control the synchronous action of the hydraulic lifting oil cylinder 7.
The whole lifting process of the project is divided into two stages, wherein in the first stage, after 20m is lifted from the second-layer roof of the skirt house, the lifting is stopped, and 4 extending arm supporting trusses 14 are installed; in the second stage, the 4 outrigger support trusses 14 are lifted to the designed elevation after installation.
In the first stage: the components of the rotary dining room are assembled on an assembling platform on the 12.075m elevation of the skirt house roof of the rotary dining room, the whole three-layer rotary dining room is subjected to hydraulic integral lifting after being assembled, the lifting is stopped after the integral lifting is carried out for 20m, then a hydraulic lifting system is locked, after the hydraulic lifting system is locked, in order to prevent the rotary dining room 6 from moving left and right on a plane position, 8 wind ropes are used for drawing and knotting from four directions of south, east, west and north, and 2 wind ropes 13 are arranged on each aspect; after the fixing, 4 outrigger support trusses were installed by using a truck crane as shown in fig. 4.
The second stage is as follows: after the installation of the 4 outrigger trusses 14 in the revolving restaurant 6 is completed, the locked hydraulic lifting system is unlocked, 8 wind cables 13 are loosened to continue the hydraulic lifting, the wind cables are lifted up to the designed elevation of the revolving restaurant, and then the wind cables are connected with the central cylinder body 5. As shown in fig. 5.
In the hoisting process, in order to prevent the steel strand 9 and the rotary dining room 6 from colliding with the broken steel beam corbel 11 of the central cylinder body 5 to generate interference collision, the length of the extending end of the external grating of the central cylinder body 5 is gradually reduced from top to bottom, and the cut-off positions are staggered successively, so that the collision is avoided, and besides, the weak stress links of the structure are avoided in order to avoid the 5 horizontal structures from seaming vertically and not at the same position; meanwhile, 8 groups of guides are arranged at the upper part of the ring beam of the lower lifting point. The guide rail utilizes the original grid vertical keel (square tube 200X 150X 5) as the support rail.
Wherein, the hydraulic lifting oil cylinder 7 is of a core-through structure, the steel strand 9 adopts a pricking degree low relaxation prestress steel strand, the nominal diameter is 15.24mm, and the tensile strength is 1860N/mm 2 The breaking tension is 260.7KN, the minimum load at 1% elongation is 221.5KN, and the weight per meter is 1.1 Kg. The steel strand conforms to the international standard ASTM A416-87 a.
The sensing detection device is used for acquiring position information, load information and projecting structure air attitude information of the hydraulic lifting oil cylinder; the control system is connected with the sensing detection device and used for receiving signals and controlling the synchronous action of the hydraulic lifting oil cylinder. Specifically, in the lifting system, distance sensors are arranged below each lifting point, so that the distance sensors can measure the current component height at any time in the lifting process, and the current component height is transmitted to a master control computer through a field real-time network. The following condition of each following lifting hanging point and the master lifting hanging point can be reflected by the height difference measured by the distance sensor. The main control computer can determine the control quantity of the corresponding lifting point according to the current height difference of the following lifting points, so that the position synchronization of each following lifting point and the master lifting point is realized. In order to improve the safety of the components, an oil pressure sensor is arranged at each lifting point, and a main control computer monitors the load change condition of each lifting point through a field real-time network. If the load of the lifting point has abnormal sudden change, the computer can automatically stop and give an alarm for indication. After the number of the lifting oil cylinders is determined, each lifting oil cylinder is provided with a set of position sensor, and the sensors can reflect the position condition of the main oil cylinder and the tightness condition of the upper anchorage device and the lower anchorage device. Through a field real-time network, the main control computer can obtain the current states of all the lifting oil cylinders. According to the current state of the lifting oil cylinder, the main control computer integrates the control requirements (such as manual, sequential control and automatic) of a user to determine the next action of the lifting oil cylinder.
Selecting one oil cylinder from a group of oil cylinders of each lifting point to install a pressure sensor; the pressure sensor is arranged on the large cavity side of the oil cylinder, and because the parallel connection pressure of the oil inlets of all the oil cylinders at the same lifting point is the same, the pressure of the opened oil cylinder represents the pressure of the same lifting point.
The upper anchorage device cylinder and the lower anchorage device cylinder of each cylinder are respectively provided with 1 anchorage device sensor, and the main cylinder is provided with 1 cylinder position sensor. And connecting various sensors with respective communication modules. 1 computer control cabinet is arranged on the ground, and a proportional valve communication line, an electromagnetic valve communication line, an oil cylinder signal communication line and a working power line are led out from the computer control cabinet. All pump stations are connected with the network through a proportional valve communication line and an electromagnetic valve communication line. And all the oil cylinder signal communication modules are networked through oil cylinder signal communication lines. All module power lines are connected by power lines. After the installation of the sensors and the connection of the field real-time network control system are completed, the arrangement of the computer control system is completed.
The hoisting device and the method are suitable for hoisting the externally surrounding convex structure of the high-rise cylindrical building, the rotary restaurant can be hoisted integrally around the high-rise cylindrical building by the hoisting device, the hoisting structure can be put in place in one step, the subsequent construction is greatly facilitated, the operations such as assembling at high altitude are not needed, and the construction accuracy of the buildings is improved.
While the invention has been described in further detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A hoisting method for a projecting structure of a high-rise cylindrical building is characterized by comprising the following steps:
1) assembling an annular convex structure on the skirt house roof of the high-rise cylindrical building by taking the high-rise cylindrical building as a center, connecting a bottom hanging beam on the convex structure, and fixedly connecting a top anchoring beam at the top of the high-rise cylindrical building; lifting equipment is uniformly arranged on the top anchoring beam;
2) connecting the lifting equipment with the hoisting stranded wire, and then connecting the hoisting stranded wire to the bottom hoisting beam; starting lifting equipment, and horizontally and integrally lifting the convex structure around the high-rise cylindrical building; stopping hoisting when the lifting is carried out to a height of 20-25 m from the skirt house roof, and locking the lifting equipment;
3) the protruded structure is pulled and knotted by a guy rope from four directions of southeast, west and north, one end of the guy rope is fixed on the protruded structure, and the other end of the guy rope is fixed on an assembling table of the skirt house roof;
4) installing a outrigger support truss between the high-rise columnar building and the skirt house roof;
5) unlocking the locked lifting equipment, loosening the guy rope and continuously lifting the guy rope until the guy rope is lifted to a designed elevation, and then connecting the protruding structure with the cylindrical body;
the hoisting device used for the hoisting method comprises a top anchoring beam, a bottom hoisting beam and hoisting equipment, wherein a plurality of fulcrums are distributed on a cylindrical body of the high-rise cylindrical building, supporting beams extending out of the cylindrical body are arranged at the fulcrums, and reinforcing rods are arranged between the supporting beams and the cylindrical body; the top anchoring beam is fixedly connected to the supporting beam, the bottom hanging beam is fixedly connected with the protruding structure to be lifted, the lifting equipment is fixedly connected with the bottom hanging beam through a lifting stranded wire, and the protruding structure is integrally lifted by the lifting equipment by taking the cylindrical body as the center; two perpendicular supporting beams are arranged at the supporting points, and the supporting beams of two adjacent supporting points are intersected to form a supporting point; the top anchoring beam is a polygonal structure formed by connecting a plurality of anchoring beams, and each anchoring beam is provided with a lifting device; the top anchoring beam is fixedly built on the supporting beam bodies and the supporting points.
2. The method for hoisting the protuberant structure of a high-rise columnar building according to claim 1, wherein the bottom hanging beam is a polygonal structure formed by connecting a plurality of anchoring beams, and the top anchoring beam and the bottom hanging beam have the same shape.
3. The hoisting method for the protruding structure of the high-rise cylindrical building as claimed in claim 2, wherein the hoisting device is connected with the midpoint of each anchoring beam of the bottom hoisting beam through a hoisting strand.
4. The method for erecting a projecting structure of high-rise columnar building according to claim 2, wherein said top anchoring beam and said bottom hanging beam are octagonal structures formed by connecting anchoring beams.
5. The hoisting method for the protruding structure of the high-rise cylindrical building as claimed in claim 1, wherein the bottom hanging beam is provided with a guide rail for guiding the hoisting stranded wire, and the length of the extending end of the bracket of the steel beam at the external broken position of the cylindrical body is gradually reduced from top to bottom for preventing collision with the cylindrical body during hoisting and lifting of the protruding structure.
6. The hoisting method for the protruding structure of the high-rise cylindrical building according to claim 1, wherein the lifting device is a hydraulic lifting cylinder, and the hydraulic lifting cylinder is driven by a hydraulic pump station.
7. The hoisting method for the projecting structure of the high-rise cylindrical building, as recited in claim 6, further comprising a sensing detection device and a control system, wherein the sensing detection device is used for acquiring position information, load information and projecting structure air attitude information of the hydraulic lifting cylinder; the control system is connected with the sensing detection device and used for receiving signals and controlling the synchronous action of the hydraulic lifting oil cylinder.
8. The hoisting method for the projecting structure of the high-rise cylindrical building as claimed in claim 7, wherein the sensing device comprises a pressure sensor and a cylinder position sensor.
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| CN202010955125.5A CN112209221B (en) | 2020-09-11 | 2020-09-11 | Hoisting device and hoisting method for projecting structure of high-rise cylindrical building |
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| CN202010955125.5A CN112209221B (en) | 2020-09-11 | 2020-09-11 | Hoisting device and hoisting method for projecting structure of high-rise cylindrical building |
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| CN112209221B true CN112209221B (en) | 2022-09-20 |
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| CN112209221A (en) | 2021-01-12 |
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