Assembling method for improving mounting precision and speed of steel tube gusset plate

Abstract

The invention discloses an assembling method for improving the mounting precision and speed of a steel pipe gusset plate. The assembling method comprises the following steps that firstly, an assembling site is prepared; 2, manufacturing an assembled jig frame, wherein the assembled jig frame structurally comprises a positioning beam, a positioning column, a fixed support, a positioning support, a fixed frame, a center line positioning ruler, a gusset plate positioning plate and a combined plate. The gusset plate and the pipeline can be assembled more quickly and accurately, the positioning device can be used for retesting after assembly is completed, welding deformation can be detected quickly, quality control is effectively achieved, and therefore the installation accuracy is guaranteed, by means of the positioning device, the gusset plate can be positioned and assembled, and the assembly efficiency is improved. The method changes the traditional mode of manually measuring and positioning the angle of the gusset plate, improves the positioning and splicing speed of the gusset plate, reduces the installation error, saves the labor, saves the construction cost, and improves the economic benefits.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of on-site installation technology, in particular to a kind of assembling method for improving the installation precision and speed of steel pipe node plate. BACKGROUND

[0002] The main body of iron tower and space truss structure is mainly composed of steel pipes. Such structures have high strength, good plasticity and processability, superior seismic resistance, convenient construction and good economy, and are widely used in the field of construction.

[0003] The components of iron tower and space truss structure are connected by multiple rods and have uniform angles. The rod joint forms between layers are the same during production. The through-hole rate of rod connecting bolts is required to be high during installation. The through-hole rate also determines the installation quality of the entire main body during the installation process. Therefore, the size and angle positioning of the node plate at each node position are particularly important.

[0004] In the past, when assembling steel pipe nodes, workers measured and determined the installation angle of the node plate according to the template and then positioned it. Manual measurement can easily cause the node plate to move, resulting in a certain misalignment deviation in the up-down position of the node plate, which affects the installation of the rod. The cumulative error is too large to effectively control the size, thereby reducing the overall installation quality. In addition, during high-altitude installation, due to the large size deviation, personnel adjustment at high altitude will increase the construction measure investment, increase the construction difficulty and high-altitude operation risk. Therefore, we propose a kind of assembling method for improving the installation precision and speed of steel pipe node plate. SUMMARY

[0005] The purpose of the present application is to provide a kind of assembling method for improving the installation precision and speed of steel pipe node plate to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a kind of assembling method for improving the installation precision and speed of steel pipe node plate, comprising the following steps: Step 1, preparation of assembling site; Step 2, production of assembling jig, the structure of assembling jig includes positioning beam, positioning column, fixed support, positioning drag, fixed frame, center line positioning ruler, node plate positioning plate and combined plate, the production steps are as follows: 1) Lay the positioning beam on the prepared assembling site, set the positioning column according to the length of the steel pipe component, and install the fixed support on both sides of the positioning column. Adjust the perpendicularity of the positioning column. After adjustment is completed, weld, and then install the positioning drag on the positioning column; 2) Measure the flatness of the positioning drag with a level. Adjust the positioning drag to be on a horizontal plane during installation. After adjustment is completed, weld the positioning drag. After installation is completed, check the flatness of the fixed frame; 3) Fix the combined plate on the fixing frame, fix the center line positioning ruler on both ends of the fixing frame, and install the node plate positioning plate between the two fixing frames; Step three, node plate positioning measurement and assembly: First step: Place the steel pipe on the positioning frame, and draw the main pipe center line on the outer wall of the pipe; Second step: Determine the positioning point at one end of the steel pipe, and measure and mark the node plate positioning size according to the positioning point; Third step: Place the positioning device on the pipe, make the center line positioning rulers at both ends of the positioning frame coincide with the pipe center line, determine the node plate installation direction, place the node plate on the positioning device, and make the node plate close to the node plate positioning plate for welding positioning. After the flange and node plate of the entire steel pipe are positioned, move to other fixing devices for welding work. This fixing device continues the flange and node plate assembly work of the next group of steel pipes.

[0007] Preferably, the installation site required by the ground fixing device should meet the operation space required by at least one ground fixing device, and the site should be hardened to ensure the stability and flatness of the fixing device.

[0008] Preferably, the height of the positioning column is controlled within 800-1500mm, the ground assembly and welding environment is convenient for personnel assembly and welding work, and after the positioning column is installed, a fixed support is installed to improve the strength of the positioning column and the overall anti-deformation ability of the fixing device.

[0009] Preferably, the positioning column is adjusted according to the pipe diameter and length during installation to avoid serious deformation of the steel pipe due to too large spacing between adjacent two positioning columns, which affects the positioning and installation of the node plate.

[0010] Preferably, all positioning columns ensure that the entire jig frame remains on the same horizontal plane and the same straight line, thereby ensuring the flatness of the placed steel pipe.

[0011] Preferably, the steel pipe component is placed on the positioning column, the center line is drawn on the outer wall of the steel pipe, the positioning point at one end of the steel pipe is determined, the node plate positioning size is measured and marked according to the positioning point, the node plate assembly position is determined, the positioning device is placed on the pipe, the center line positioning ruler is made to coincide with the pipe center line, the node plate installation direction is determined, the node plate is placed on the positioning device, and the node plate is welded and positioned by closely approaching the node plate positioning plate. After the flange and node plate of the entire steel pipe are positioned, move to other fixing devices for welding work. This fixing device continues the flange and node plate assembly work of the next group of steel pipes.

[0012] Compared with the prior art, the beneficial effects of the present application are as follows: The application can complete the assembly of the node plate and the pipeline faster and more accurately, and after the assembly is completed, the positioning device can be used for retesting, the welding deformation can be quickly detected, the quality control can be effectively realized, and thus the installation accuracy is ensured. The use of the positioning device can not only position and assemble the node plate, but also change the previous manual measurement and positioning mode of the node plate angle, improve the positioning and assembling speed of the node plate, reduce the installation error, save the labor, save the construction cost, improve the economic benefit, adopt multiple fixed supports for construction, enable the assembly, fixation and welding to be continuously operated, improve the welding efficiency and quality, reduce the construction difficulty, improve the assembly and manufacturing work, improve the installation construction precision, speed and work efficiency, reduce the high-altitude long-time installation operation construction danger, further reduce the use period of the labor and the machinery, and reduce the construction cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a perspective view of the positioning device; Figure 2 is a perspective view of the fixing device; Figure 3 is a plan structure schematic view of Figure 1 ; Figure 4 is an elevation structure schematic view of Figure 1 ; Figure 5 is a plan structure schematic view of Figure 2 ; Figure 6 is an elevation structure schematic view of Figure 2 ; Figure 7 is an application effect diagram of the application.

[0014] In the drawings: 1 is a positioning beam, 2 is a positioning column, 3 is a fixed support, 4 is a positioning drag, 5 is a fixed frame, 6 is a center line positioning ruler, 7 is a node plate positioning plate, and 8 is a combined plate. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the application will be apparently and completely described in combination with the drawings of the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the protection scope of the application.

[0016] Please refer to Figures 1-7 , the following technical solutions are provided, and the application specifically discloses the following: a kind of improves the assembly method of steel pipe node plate installation precision and speed, comprising the following steps: Step one, assembly site preparation; Step two, the production of assembling jig frame, the assembling jig frame structure includes positioning beam 1, positioning column 2, fixed support 3, positioning drag 4, fixed frame 5, center line positioning ruler 6, node plate positioning plate 7 and combination plate 8, the production steps are as follows: 1) Lay the positioning beam 1 on the prepared assembling site, set the positioning column 2 according to the length of the steel pipe component, install the fixed support 3 on both sides of the positioning column 2, adjust the perpendicularity of the positioning column 2, and then weld after adjustment, and then install the positioning drag 4 on the positioning column 2; 2) Measure the flatness of the positioning drag 4 with a level, adjust the positioning drag 4 to be on a horizontal plane during installation, and then weld the positioning drag 4 after adjustment, and then check the flatness of the fixed frame 5 after installation is completed; 3) Fix the combination plate 8 on the fixed frame 5, fix the center line positioning ruler 6 at both ends of the fixed frame 5, and install the node plate positioning plate 4 between the two fixed frames 5; Step three, node plate positioning measurement and assembly: First step: Place the steel pipe on the positioning frame and mark the main pipe center line on the outer wall of the pipe; Second step: Determine the positioning point at one end of the steel pipe, and measure and mark the size of the node plate according to the positioning point; Third step: Place the positioning device on the pipe so that the center line positioning rulers 6 at both ends of the positioning frame coincide with the pipe center line, determine the node plate installation direction, place the node plate on the positioning device, and weld and position the node plate against the node plate positioning plate 4. After the positioning of the entire steel pipe flange and node plate is completed, move to other fixed devices for welding work. This fixed device continues the flange and node plate assembly work of the next group of steel pipes.

[0017] The positioning device and the fixed device are composed of two parts. The fixed device can place the steel pipe on the assembly platform, making the operation more stable and convenient. The center line positioning ruler of the positioning device can quickly complete the positioning of the node plate. The node plate positioning plate on the positioning device can quickly complete the positioning and fixing work of the node plate, and can be used for review work after welding is completed, reducing the size and angle error of ordinary installation method. Through this method, manpower is saved, production speed is improved, and construction cost is reduced.

[0018] The installation site required by the ground fixed device should meet the operation space required by at least one ground fixed device, and the site should be hardened to ensure the stability and flatness of the fixed device.

[0019] The height of the positioning column 2 is controlled within 800-1500mm, which is convenient for personnel assembly and welding work in the ground assembly and welding environment. After the installation of the positioning column 2 is completed, the fixed support 3 is installed to improve the strength of the positioning column 2 and the overall anti-deformation ability of the fixed device.

[0020] The positioning column 2 is adjusted according to the pipe diameter and length during installation to avoid the deformation of the steel pipe caused by the large distance between the two adjacent positioning columns 2, which affects the positioning and installation of the joint plate.

[0021] All the positioning drags 4 ensure that the whole tire frame is kept on the same horizontal plane and straight line, thereby ensuring the flatness of the placed steel pipe.

[0022] The steel pipe component is placed on the positioning drag 4, the center line is drawn on the outer wall of the steel pipe, the positioning point of one end of the steel pipe is determined, the positioning size of the joint plate is measured and marked according to the positioning point, the assembling position of the joint plate is determined, the positioning device is placed on the pipe, the center line positioning ruler 6 is overlapped with the center line of the pipe, the installation direction of the joint plate is determined, the joint plate is placed on the positioning device, the joint plate is welded and positioned by the joint plate positioning plate 7, after the whole steel pipe flange and joint plate are positioned, the positioning device is moved to other fixed device for welding work, and the fixed device continues the assembling work of the flange and joint plate of the next group of steel pipes.

[0023] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An assembly method for improving the installation accuracy and speed of steel pipe gusset plates, characterized in that: Includes the following steps: Step 1: Prepare the assembly site; Step 2: Fabrication of the assembly jig. The assembly jig structure includes a positioning beam (1), positioning column (2), fixed support (3), positioning drag (4), fixed frame (5), centerline positioning ruler (6), node plate positioning plate (7), and combination plate (8). The fabrication steps are as follows: 1) Lay out positioning beams (1) on the prepared assembly site, set positioning columns (2) according to the length of the steel pipe components, and install fixed supports (3) on both sides of the positioning columns (2). Adjust the verticality of the positioning columns (2), weld after adjustment, and then install positioning drags (4) on the positioning columns (2). 2) Use a level to measure the flatness of the positioning drag (4). When installing the positioning drag (4), adjust it to a horizontal plane. After the adjustment is completed, weld the positioning drag (4). After the installation and fixing are completed, check the flatness of the entire fixing frame (5). 3) Fix the combined plate (8) on the fixed frame (5), fix the center line positioning ruler (6) at both ends of the fixed frame (5), and install the node plate positioning plate (4) between the two fixed frames (5). Step 3: Node plate positioning, measurement, and assembly: Step 1: Place the steel pipe on the positioning frame and mark the center line of the main pipe on the outer wall of the pipe; Step 2: Determine the positioning point at one end of the steel pipe, and measure and mark the positioning dimensions of the node plate according to the positioning point; Step 3: Place the positioning device on the pipe, make the center line positioning ruler (6) at both ends of the positioning frame coincide with the center line of the pipe, determine the installation direction of the node plate, place the node plate on the positioning device, and weld the node plate close to the node plate positioning plate (4) for positioning. After the entire steel pipe flange and node plate are positioned, move them to other fixing devices for welding work. This fixing device continues the assembly work of the flange and node plate of the next set of steel pipes.

2. The assembly method for improving the installation accuracy and speed of steel pipe gusset plates according to claim 1, characterized in that: The installation site for the ground fixing device should provide enough operating space for at least one ground fixing device, and the site should be hardened to ensure the stability and flatness of the fixing device.

3. The assembly method for improving the installation accuracy and speed of steel pipe gusset plates according to claim 1, characterized in that: The height of the positioning column (2) is controlled at 800-1500mm. The ground assembly and welding environment facilitates personnel assembly and welding operations. After the positioning column (2) is installed, a fixed support (3) is installed to improve the strength of the positioning column (2) and improve the overall deformation resistance of the fixing device.

4. The assembly method for improving the installation accuracy and speed of steel pipe gusset plates according to claim 1, characterized in that: The positioning column (2) should be adjusted according to the diameter and length of the pipe during installation to avoid the steel pipe from deforming severely due to excessive spacing between two adjacent positioning columns (2), which would affect the positioning and installation of the node plate.

5. The assembly method for improving the installation accuracy and speed of steel pipe gusset plates according to claim 1, characterized in that: All the positioning drags (4) ensure that the entire jig is kept on the same horizontal plane and the same straight line, thereby ensuring the flatness of the placed steel pipe.

6. The assembly method for improving the installation accuracy and speed of steel pipe gusset plates according to claim 1, characterized in that: The steel pipe components are placed on the positioning drag (4), the center line is marked on the outer wall of the steel pipe, the positioning point at one end of the steel pipe is determined, the positioning size of the node plate is measured according to the positioning point, the assembly position of the node plate is determined, the positioning device is placed on the pipe, the center line positioning ruler (6) is aligned with the center line of the pipe, the installation direction of the node plate is determined, the node plate is placed on the positioning device, and the node plate is welded and positioned close to the node plate positioning plate (7). After the entire steel pipe flange and node plate are positioned, they are moved to other fixing devices for welding work. This fixing device continues the assembly work of the flange and node plate of the next set of steel pipes.

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