Rapid construction method for steel structure purline

Abstract

The invention relates to the technical field of building construction, in particular to a rapid construction method for a steel structure purline. S1, connecting the first main steel wire rope and the second main steel wire rope to a lifting hook of a crane; s2, mounting first-stage lifting rings at the bottom ends of the first main steel wire rope and the second main steel wire rope; and S3, first-stage steel wire ropes and first-stage buckles are installed at the bottoms of the first-stage lifting rings, first-stage purlines are hung between the first-stage buckles, and second-stage lifting rings are hung at the bottoms of the first-stage steel wire ropes. And S4, second-stage steel wire ropes and second-stage buckles are installed at the bottoms of the second-stage lifting rings, second-stage purlines are hung between the second-stage buckles, and third-stage lifting rings are hung at the bottoms of the second-stage steel wire ropes. And S5, repeating the steps S3 and S4. And S6, the multi-stage parallel hoisting system is lifted to a roof installation position. And S7, installation of the purlines is completed in sequence from bottom to top. A plurality of purlines are hoisted at a time through the multi-stage parallel hoisting system, purline positioning is achieved through the graded suspension structure, and the installation efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a rapid construction method for steel structure purlins. Background Art

[0002] In recent years, with the widespread application of steel structures in industrial plants, stadiums and large public buildings, prefabricated construction technology has gradually become the mainstream trend in the industry. According to statistics, in 2024, the proportion of prefabricated steel structure construction area in my country has reached 32% of new buildings, and the industry's requirements for construction efficiency, safety and cost control continue to increase. Purlins are the core force-transmitting components of the enclosure system, and their installation quality directly affects the overall stability and wind resistance of the roof. However, traditional construction methods still have significant technical bottlenecks.

[0003] In the existing technology, the purlin installation generally adopts a single hoisting mode: the purlins are hoisted to the roof one by one by a crane, and then the high-altitude workers manually adjust the position and weld and fix it with embedded parts. This mode leads to two prominent problems: ‌Low efficiency‌: Only 1-2 purlins can be installed in a single hoisting operation. The crane needs to be raised and lowered frequently, and the adjustment of the purlin spacing relies on manual visual positioning. The error often exceeds ±5mm and requires repeated calibration.

[0004] High collaboration costs: Each crane needs to be equipped with 3-5 ground commanders and aerial workers. Collaboration among multiple types of workers is prone to process conflicts and has high labor costs. Summary of the invention

[0005] The present invention aims to solve the above problems, thereby providing a method for quickly constructing steel structure purlins with improved efficiency.

[0006] The present invention solves the above-mentioned problem by adopting the following technical solution: A method for rapid construction of steel structure purlins, comprising a first main steel wire rope and a second main steel wire rope, comprising the following steps: S1: Connect the top ends of the first main steel wire rope and the second main steel wire rope to the hook of the crane through anti-drop buckles; S2: Install the first level lifting rings at the bottom ends of the first main steel wire rope and the second main steel wire rope respectively.

[0007] S3: The first-level steel wire rope and the first-level buckle are installed at the bottom of the first-level lifting ring, the first-level purlin is suspended between the first-level buckles, and the second-level lifting ring is suspended at the bottom of the first-level steel wire rope.

[0008] S4: A second-level steel wire rope and a second-level buckle are installed at the bottom of the second-level lifting ring, a second-level purlin is hung between the second-level buckles, and a third-level lifting ring is hung at the bottom of the second-level steel wire rope.

[0009] S5: Repeat steps S3 and S4 to form a multi-stage parallel lifting system.

[0010] S6: Start the crane to lift the multi-stage parallel lifting system to the roof installation position, and calibrate the alignment accuracy of the purlins and roof embedded parts through the laser positioning device.

[0011] S7: The ground operator remotely controls the lifting and rotation of the hook and completes the installation of the purlins in order from bottom to top.

[0012] Compared with the prior art, the present invention adopting the above technical solution has the following outstanding features: The multi-stage parallel lifting system is used to lift multiple purlins at a time, and the purlin positioning is achieved through the graded suspension structure, eliminating the manual adjustment process one by one, improving installation efficiency, reducing the idle waiting time of the crane, and saving the waste of crane lifting and lowering and multiple people working together. Two people can install it at the bottom and start installation by lifting it to the designated position, which reduces the trouble of multiple people working, reduces construction costs, increases the safety of workers going up and down the roof truss, effectively increases work efficiency, reduces operating costs, and can speed up construction progress.

[0013] Preferably, a further technical solution of the present invention is: Furthermore, the lock tongue mechanism of the anti-drop buckle adopts a double-spring linkage structure, the spring stiffness coefficient is 1.2-1.8 kN / mm, and the lock tongue extension is 15-20 mm.

[0014] Furthermore, the laser positioning device includes two groups of cross-projecting laser emitters, and the projection angle deviation compensation range is ±5°.

[0015] Furthermore, during hoisting, the distance between two adjacent purlins is 800-1200mm. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of an embodiment of the present invention; Marked in the figure are: first main steel wire rope 1, second main steel wire rope 2, hook 3, first-level steel wire rope 4, first-level buckle 5, first-level purlin 6. DETAILED DESCRIPTION

[0017] The present invention will be further described below in conjunction with embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0018] A method for rapid construction of steel structure purlins, comprising a first main steel wire rope 1 and a second main steel wire rope 2, comprising the following steps: S1: Connect the top ends of the first main steel wire rope 1 and the second main steel wire rope 2 to the hook 3 of the crane through anti-drop buckles; S2: Install the first level lifting rings at the bottom ends of the first main steel wire rope 1 and the second main steel wire rope 2 respectively.

[0019] S3: A first-level steel wire rope 4 and a first-level buckle 5 are installed at the bottom of the first-level lifting ring, a first-level purlin 6 is hung between the first-level buckles 5, and a second-level lifting ring is hung at the bottom of the first-level steel wire rope 4.

[0020] S4: A second-level steel wire rope and a second-level buckle are installed at the bottom of the second-level lifting ring, a second-level purlin is hung between the second-level buckles, and a third-level lifting ring is hung at the bottom of the second-level steel wire rope.

[0021] S5: Repeat steps S3 and S4 to form a multi-stage parallel lifting system.

[0022] S6: Start the crane to lift the multi-stage parallel lifting system to the roof installation position, and calibrate the alignment accuracy of the purlins and roof embedded parts through the laser positioning device.

[0023] S7: The ground operator remotely controls the lifting and rotation of the hook 3, and completes the installation of the purlins in order from bottom to top.

[0024] Furthermore, the locking tongue mechanism of the anti-drop buckle adopts a double-spring linkage structure with a spring stiffness coefficient of 1.2-1.8kN / mm and a locking tongue extension of 15-20mm. It can dynamically absorb the impact vibration during the lifting process to prevent the buckle from failing due to instantaneous overload.

[0025] Furthermore, the laser positioning device includes two sets of cross-projection laser emitters with a projection angle deviation compensation range of ±5°, forming a grid positioning reference, and the purlin alignment error is compressed from the traditional ±5mm to within ±2mm‌.

[0026] Furthermore, during hoisting, the spacing between two adjacent levels of purlins is 800-1200mm. Standardized spacing can increase the pre-assembly rate and reduce preparation time.

[0027] The multi-stage parallel lifting system is used to lift multiple purlins at a time, and the purlin positioning is achieved through the graded suspension structure, eliminating the manual adjustment process one by one, improving installation efficiency, reducing the idle waiting time of the crane, and saving the waste of crane lifting and lowering and multiple people working together. Two people can install it at the bottom and start installation by lifting it to the designated position, which reduces the trouble of multiple people working, reduces construction costs, increases the safety of workers going up and down the roof truss, effectively increases work efficiency, reduces operating costs, and can speed up construction progress.

[0028] The above description is only a preferred feasible embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent changes made using the contents of the present specification and its drawings are included in the scope of rights of the present invention.

Claims

1. A method for rapid construction of steel structure purlins, comprising a first main steel wire rope and a second main steel wire rope, characterized in that: The following steps are included: S1: Connect the top ends of the first main steel wire rope and the second main steel wire rope to the hook of the crane through anti-drop buckles; S2: Install the first level lifting ring at the bottom ends of the first main steel wire rope and the second main steel wire rope respectively; S3: The first-level steel wire rope and the first-level buckle are installed at the bottom of the first-level lifting ring, the first-level purlin is hung between the first-level buckles, and the second-level lifting ring is hung at the bottom of the first-level steel wire rope; S4: A second-level steel wire rope and a second-level buckle are installed at the bottom of the second-level lifting ring, a second-level purlin is hung between the second-level buckles, and a third-level lifting ring is hung at the bottom of the second-level steel wire rope; S5: repeat steps S3 and S4 to form a multi-level parallel lifting system; S6: Start the crane to lift the multi-stage parallel lifting system to the roof installation position, and calibrate the alignment accuracy of the purlins and the roof embedded parts through the laser positioning device; S7: The ground operator remotely controls the lifting and rotation of the hook and completes the installation of the purlins in order from bottom to top.

2. The method for rapid construction of steel structure purlins according to claim 1, characterized in that: The lock tongue mechanism of the anti-drop buckle adopts a double spring linkage structure, the spring stiffness coefficient is 1.2-1.8kN / mm, and the lock tongue extension is 15-20mm.

3. The method for rapid construction of steel structure purlins according to claim 1 is characterized in that: The laser positioning device includes two sets of cross-projection laser transmitters, and the projection angle deviation compensation range is ±5°.

4. The method for rapid construction of steel structure purlins according to claim 1 is characterized in that: During hoisting, the distance between two adjacent purlins is 800-1200mm.

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