CN116199087A - Construction method for assembling lifting slings of block with special-shaped space structure - Google Patents

Construction method for assembling lifting slings of block with special-shaped space structure Download PDF

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Publication number
CN116199087A
CN116199087A CN202211441282.XA CN202211441282A CN116199087A CN 116199087 A CN116199087 A CN 116199087A CN 202211441282 A CN202211441282 A CN 202211441282A CN 116199087 A CN116199087 A CN 116199087A
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CN
China
Prior art keywords
special
shaped space
lifting
space structure
theoretical
Prior art date
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Pending
Application number
CN202211441282.XA
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Chinese (zh)
Inventor
高毅
袁鑫
刘博东
殷楠
裴弈翔
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SCEGC Mechanized Construction Group Co ltd
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SCEGC Mechanized Construction Group Co ltd
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Publication date
Application filed by SCEGC Mechanized Construction Group Co ltd filed Critical SCEGC Mechanized Construction Group Co ltd
Priority to CN202211441282.XA priority Critical patent/CN116199087A/en
Publication of CN116199087A publication Critical patent/CN116199087A/en
Pending legal-status Critical Current

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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
    • 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
    • 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

Abstract

The invention discloses a construction method for assembling a lifting sling of a block with a special-shaped space structure, which comprises the steps of determining the position of a theoretical lifting point of the block with the special-shaped space structure and the theoretical length of the sling corresponding to the position of the theoretical lifting point, wherein the sling is formed by sequentially connecting a lifting rope, an adjusting rope and a pocket rope; determining the effective length of a pocket rope corresponding to a chord member in the block with the special-shaped space structure; judging whether the position of the theoretical lifting point meets the lifting stress requirement, if so, determining the specification of the sling according to the stress of the position of the theoretical lifting point; determining the actual length of the adjusting rope according to the theoretical length of the sling, the effective length of the pocket rope and the fixed length of the lifting rope; drawing a rope distribution diagram of the special-shaped space structure block according to the actual lengths of the lifting rope and the adjusting rope and the effective length of the pocket rope; and carrying out the assembly construction of the lifting sling of the special-shaped space structure block according to the rope distribution diagram of the special-shaped space structure block. The invention is convenient for the block to be quickly positioned, and ensures the hoisting safety.

Description

Construction method for assembling lifting slings of block with special-shaped space structure
Technical Field
The invention belongs to the technical field of steel structure construction, and particularly relates to a construction method for assembling a lifting sling of a block body with a special-shaped space structure.
Background
At present, with the development of a large-span steel structure, the large-span space net shell structure becomes a space structure mode with more space, and is gradually applied to a plurality of building venues with different modeling, so that the net shell structure is continuously and deeply developed, the design theory of the net shell structure is gradually and gradually mature, the hoisting method is continuously improved, the modeling of the net shell structure is more and more novel, the span is more and more increased, the block hoisting methods are also different, and the hoisting speed, the hoisting working condition, the point stress and the like are also a big problem faced by each construction project. Most construction units only carry out actual hoisting through the simulated rope length in the model, and systematic hoisting analysis does not exist, so that the block is in place in the high-altitude accident, and certain potential safety hazards exist in the hoisting process.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a construction method for assembling the lifting sling of the block with the special-shaped space structure, which is convenient for the block to be quickly positioned and ensures the lifting safety.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a construction method for assembling a lifting sling of a block with a special-shaped space structure comprises the following steps:
determining the theoretical lifting point position of the special-shaped space structure block body, wherein the theoretical lifting point position corresponds to the theoretical length of a sling, and the sling is formed by sequentially connecting a lifting rope, an adjusting rope and a pocket rope;
determining the effective length of a pocket rope corresponding to a chord member in the block with the special-shaped space structure;
judging whether the theoretical lifting point position meets the lifting stress requirement, if so, determining the specification of a sling according to the stress of the theoretical lifting point position, and if not, determining the theoretical lifting point position of the special-shaped space structure block again;
determining the actual length of the adjusting rope according to the theoretical length of the sling, the effective length of the pocket rope and the fixed length of the lifting rope;
drawing a rope distribution diagram of the special-shaped space structure block according to the actual lengths of the lifting rope and the adjusting rope and the effective length of the pocket rope;
and carrying out the assembly construction of the lifting sling of the special-shaped space structure block according to the rope distribution diagram of the special-shaped space structure block.
Further, before determining the theoretical lifting point position of the special-shaped space structure block and the theoretical length of the sling corresponding to the theoretical lifting point position, the method further comprises:
and partitioning the latticed shell structure to obtain a block with the special-shaped space structure.
Further, the blocking of the latticed shell structure to obtain a block with a special-shaped space structure specifically comprises the following steps:
and according to the weight, the size and the blocking principle of the tubular intersecting sequence of the latticed shell structure, blocking the latticed shell structure to obtain the block with the special-shaped space structure.
Further, determining the effective length of the pocket rope corresponding to the chord member in the special-shaped space structure block specifically includes:
and determining the effective length of the pocket rope corresponding to the chord member in the block with the special-shaped space structure by adopting CAD software.
Further, determining a theoretical lifting point position of the special-shaped space structure block and a theoretical length of the sling corresponding to the theoretical lifting point position according to the gravity center position, the size, the shape and the lifting angle of the special-shaped space structure block specifically comprises:
according to the gravity center position, the size, the shape and the hoisting angle of the special-shaped space structure block, the special-shaped space structure block is actually lofted in a tekla model, and the theoretical hoisting point position of the special-shaped space structure block and the theoretical length of the sling corresponding to the theoretical hoisting point position are determined.
Further, the judging whether the theoretical lifting point position meets the lifting stress requirement specifically comprises:
and judging whether the position of the theoretical lifting point meets the lifting stress requirement or not by using MIDAS software.
Further, the actual length of the adjusting rope is determined according to the theoretical length of the sling, the effective length of the pocket rope and the fixed length of the lifting rope, and the specific method is as follows:
subtracting the effective length of the pocket rope from the theoretical length of the sling, and subtracting the fixed length of the sling to obtain the actual length of the corresponding adjusting rope.
Further, the rope distribution diagram of the special-shaped space structure block body is used for carrying out special-shaped space structure block body hoisting sling assembly construction, and the method specifically comprises the following steps:
and binding slings on the special-shaped space structure blocks according to the rope distribution diagram of the special-shaped space structure blocks.
Further, determining the theoretical lifting point position of the special-shaped space structure block and the theoretical length of the sling corresponding to the theoretical lifting point position specifically comprises the following steps:
and determining the theoretical lifting point position of the special-shaped space structure block and the theoretical length of the sling corresponding to the theoretical lifting point position according to the gravity center position, the size, the shape and the lifting angle of the special-shaped space structure block.
Compared with the prior art, the invention has at least the following beneficial effects:
according to the construction method for assembling the lifting sling for the block with the special-shaped space structure, the length of the sling is assembled by the lifting rope, the adjusting rope and the pocket rope, the length of the lifting rope is uniform and fixed, the length of the pocket rope is calculated according to the diameters of chord rods of different blocks, the length of the adjusting rope can be selected in advance to be multiple different lengths, the length of the whole sling is matched in a modular mode, the abnormal-shaped blocks with different shapes can be reasonably assembled according to the special-shaped blocks, the block can be quickly assembled from an initial assembled form to a theoretical space form, and the block can be quickly positioned conveniently.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a reticulated shell block.
Fig. 2a and 2b are schematic diagrams of calculating the effective length of the string.
Fig. 3 is a block lifting point schematic.
Fig. 4a and 4b are block roping diagrams.
Fig. 5 is a block elevation schematic.
In the figure: 1-a sling; 101-hanging ropes; 102-adjusting the rope; 103-a pocket rope; 2-chords; 3-snap ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As a specific implementation mode of the invention, the construction method for assembling the lifting sling of the block body with the special-shaped space structure specifically comprises the following steps:
step 1, as shown in fig. 1, according to the principle of blocking the weight, the size and the tubular intersecting sequence of the latticed shell structure, blocking the latticed shell structure to obtain a block with a special-shaped space structure.
Step 2, as shown in fig. 3, according to the gravity center position, the size, the shape and the hoisting angle of the special-shaped space structure block, determining the theoretical hoisting point position of the special-shaped space structure block and the theoretical length of the sling 1 corresponding to the theoretical hoisting point position, wherein the sling 1 is formed by sequentially connecting a sling 101, an adjusting rope 102 and a pocket rope 103.
Specifically, according to the gravity center position, the size, the shape and the hoisting angle of the special-shaped space structure block, the special-shaped space structure block is actually lofted in a tekla model, and the theoretical hoisting point position of the special-shaped space structure block and the theoretical length of the sling 1 corresponding to the theoretical hoisting point position are determined.
And 3, as shown in fig. 2, determining the effective length of the pocket ropes 103 corresponding to the chords 2 in the special-shaped space structure block, and reducing rope length errors caused by different diameters of the chords 2.
Specifically, CAD software is used to determine the effective length of the cord 103 corresponding to the chord member 2 in the irregularly-shaped spatially structured block.
And 4, judging whether the position of the theoretical lifting point meets the lifting stress requirement, if so, determining the specification of the sling 1 according to the stress of the position of the theoretical lifting point, and if not, determining the position of the theoretical lifting point of the special-shaped space structure block again.
Specifically, MIDAS software is utilized to judge whether the position of the theoretical lifting point meets the lifting stress requirement.
And 5, determining the actual length of the adjusting rope 102 according to the theoretical length of the sling 1, the effective length of the pocket rope 103 and the fixed length of the lifting rope 101.
Specifically, the effective length of the pocket rope 103 is subtracted from the theoretical length of the hoist rope 1, and the fixed length of the hoist rope 101 is subtracted to obtain the actual length of the corresponding adjusting rope 102, and the actual length of the adjusting rope 102 is assembled from a plurality of adjusting ropes 102 selected in advance.
And 6, drawing a rope distribution diagram of the special-shaped space structure block according to the actual lengths of the lifting rope 101 and the adjusting rope 102 and the effective length of the pocket rope 103 as shown in fig. 4.
Specifically, a software mapping method is adopted, and a corresponding rope distribution diagram is drawn in a lifting mode of lifting ropes 101, adjusting ropes 102, pocket ropes 103 and clamping rings 3, so that sling matching is realized, and a special-shaped space structure block is quickly changed from an assembling state to a theoretical space state.
And 7, as shown in fig. 4, carrying out the lifting sling assembly construction of the special-shaped space structure block according to the rope distribution diagram of the special-shaped space structure block.
Specifically, according to the rope distribution diagram of the special-shaped space structure block, the sling 1 is bound on the special-shaped space structure block, and the special-shaped space structure block hoisting sling assembly construction is carried out.
Preferably, as shown in fig. 5, after the sling 1 on the block with the special-shaped space structure is bound and hooked, taking the theoretical elevation of the pipe bottom of any two main chords 2 at the head and the tail of the block in the model as a reference, using a level to carry out actual measurement, checking the height difference of each chord of the block, ensuring that the lifting form of the block is consistent with the theoretical space form, and carrying out space measurement at the position of pasting a reflecting patch at the end part of the chord 2 in advance by using a total station after the block is lifted to a designated position, thereby ensuring that the block is positioned quickly and accurately.
In order to more clearly illustrate the present invention, a specific embodiment is provided below.
The name of the special-shaped space structure block is DW1;
the number of the DW1 lifting points is 4, and the DW1 lifting points are a lifting point I, a lifting point II, a lifting point III and a lifting point IV respectively;
taking a hanging point I as an example: the theoretical length of the sling 1 is 25m, the fixed length of the sling 101 is 15m, the effective length of the pocket rope 103 is 1m, the actual length of the adjusting rope 102 can be 9m by subtracting the fixed length of the sling 101 from the theoretical length of the sling 1, and subtracting the effective length of the pocket rope 103 from the fixed length of 15 m;
according to the calculation result, 1 adjusting rope 102 (4 m) and 1 adjusting rope 102 (5 m) which are selected in advance are selected, and the actual length of the adjusting rope 102 is 9m;
the assembly form of the lifting point I is as follows: 1 lifting rope 101+2 adjusting ropes 102+1 pocket ropes 103.
In this embodiment, the sling is a steel wire rope, the steel wire rope specification is 60mm 15m, 44mm 4m, 44mm 4.5m, 44mm 5m, the snap ring specification is 35t, and the chord diameter includes 206mm ~ 800mm inequality.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. The utility model provides a dysmorphism spatial structure block hoist and mount hoist cable assembly construction method which characterized in that includes:
determining the theoretical lifting point position of the special-shaped space structure block and the theoretical length of the sling (1) corresponding to the theoretical lifting point position, wherein the sling (1) is formed by sequentially connecting a lifting rope (101), an adjusting rope (102) and a pocket rope (103);
determining the effective length of a pocket rope (103) corresponding to a chord member (2) in the special-shaped space structure block;
judging whether the theoretical lifting point position meets the lifting stress requirement, if so, determining the specification of the sling (1) according to the stress of the theoretical lifting point position, and if not, determining the theoretical lifting point position of the special-shaped space structure block again;
determining the actual length of the adjusting rope (102) according to the theoretical length of the sling (1), the effective length of the pocket rope (103) and the fixed length of the lifting rope (101);
drawing a rope distribution diagram of the special-shaped space structure block according to the actual lengths of the lifting rope (101) and the adjusting rope (102) and the effective length of the pocket rope (103);
and carrying out the assembly construction of the lifting sling of the special-shaped space structure block according to the rope distribution diagram of the special-shaped space structure block.
2. The construction method for assembling the lifting sling for the special-shaped space structure block according to claim 1, wherein before determining the theoretical lifting point position of the special-shaped space structure block and the theoretical length of the lifting sling (1) corresponding to the theoretical lifting point position, the construction method further comprises:
and partitioning the latticed shell structure to obtain a block with the special-shaped space structure.
3. The construction method for assembling the lifting sling for the special-shaped space structure block according to claim 2, wherein the method for partitioning the reticulated shell structure to obtain the special-shaped space structure block specifically comprises the following steps:
and according to the weight, the size and the blocking principle of the tubular intersecting sequence of the latticed shell structure, blocking the latticed shell structure to obtain the block with the special-shaped space structure.
4. The construction method for assembling the lifting sling for the special-shaped space structure block according to claim 1, wherein the determining the effective length of the pocket rope (103) corresponding to the chord member (2) in the special-shaped space structure block specifically comprises the following steps:
and determining the effective length of the pocket rope (103) corresponding to the chord member (2) in the special-shaped space structure block by adopting CAD software.
5. The construction method for assembling the lifting sling for the special-shaped space structure block according to claim 1, wherein the determining the theoretical lifting point position of the special-shaped space structure block and the theoretical length of the lifting sling (1) corresponding to the theoretical lifting point position according to the gravity center position, the size, the shape and the lifting angle of the special-shaped space structure block specifically comprises the following steps:
according to the gravity center position, the size, the shape and the hoisting angle of the special-shaped space structure block, the special-shaped space structure block is actually lofted in a tekla model, and the theoretical hoisting point position of the special-shaped space structure block and the theoretical length of the sling (1) corresponding to the theoretical hoisting point position are determined.
6. The construction method for assembling the lifting sling for the block with the special-shaped space structure according to claim 1, wherein the judging whether the position of the theoretical lifting point meets the lifting stress requirement comprises the following steps:
and judging whether the position of the theoretical lifting point meets the lifting stress requirement or not by using MIDAS software.
7. The construction method for assembling the lifting sling for the block with the special-shaped space structure according to claim 1, wherein the actual length of the adjusting rope (102) is determined according to the theoretical length of the sling (1), the effective length of the pocket rope (103) and the fixed length of the lifting rope (101), and the specific method is as follows:
the effective length of the pocket rope (103) is subtracted from the theoretical length of the sling (1), and the fixed length of the lifting rope (101) is subtracted, so that the actual length of the corresponding adjusting rope (102) is obtained.
8. The method for assembling and constructing the lifting sling for the block with the special-shaped space structure according to claim 1, wherein the method for assembling and constructing the lifting sling for the block with the special-shaped space structure according to the rope distribution diagram of the block with the special-shaped space structure specifically comprises the following steps:
and binding slings (1) on the special-shaped space structure blocks according to the rope distribution diagram of the special-shaped space structure blocks.
9. The construction method for assembling the lifting sling for the special-shaped space structure block according to claim 1, wherein the determining of the theoretical lifting point position of the special-shaped space structure block and the theoretical length of the lifting sling (1) corresponding to the theoretical lifting point position are specifically as follows:
and determining the theoretical lifting point position of the special-shaped space structure block and the theoretical length of the sling (1) corresponding to the theoretical lifting point position according to the gravity center position, the size, the shape and the lifting angle of the special-shaped space structure block.
CN202211441282.XA 2022-11-17 2022-11-17 Construction method for assembling lifting slings of block with special-shaped space structure Pending CN116199087A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211441282.XA CN116199087A (en) 2022-11-17 2022-11-17 Construction method for assembling lifting slings of block with special-shaped space structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211441282.XA CN116199087A (en) 2022-11-17 2022-11-17 Construction method for assembling lifting slings of block with special-shaped space structure

Publications (1)

Publication Number Publication Date
CN116199087A true CN116199087A (en) 2023-06-02

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ID=86516208

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Application Number Title Priority Date Filing Date
CN202211441282.XA Pending CN116199087A (en) 2022-11-17 2022-11-17 Construction method for assembling lifting slings of block with special-shaped space structure

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CN (1) CN116199087A (en)

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