Bridge interchange type refined installation construction method

Abstract

The invention relates to a bridge interchange type fine installation construction method which comprises the following steps: providing a design drawing of a building, and establishing a building model according to the design drawing; establishing a plurality of bridge models for placing pipelines in the building model according to actual pipeline arrangement requirements on site, establishing bridge junction box models at staggered positions of the bridge models, and arranging a plurality of pipeline channels in the bridge junction box models according to extension directions of the pipelines; manufacturing the bridge frame connecting box according to the bridge frame connecting box model; according to the building model, the bridge frame connecting box and the bridge frame are fixedly installed in the building, the bridge frame is communicated with the bridge frame connecting box, pipelines are laid on the bridge frame connecting box and the bridge frame, operation is easy, and use is convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of building engineering construction, in particular to a bridge interchange type refined installation construction method. Background Art

[0002] With the rapid development of the construction industry, buildings, as places where people live, study and work, are constantly improving towards intelligence, science, green and environmental protection. In order to meet the needs of intelligent, environmentally friendly and energy-saving buildings, more electromechanical pipeline installation systems have been added to the original design space, which increases the difficulty of electromechanical pipeline construction and installation. The installation of more pipelines will lead to complicated pipelines, which will greatly inconvenience the repair or inspection of pipelines in the later stage. In addition, the complicated setting of a large number of pipelines will lead to safety hazards. Summary of the Invention

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a bridge-interchange type refined installation and construction method. First, the building is modeled, and a bridge model for pipeline placement is established within the established model. A bridge junction box model is set at the staggered position of the bridge model to arrange the pipelines, thereby reducing the complexity of the pipelines.

[0004] A technical solution for achieving the above-mentioned purpose is a bridge interchange type refined installation and construction method, comprising the following steps:

[0005] Providing architectural design drawings and establishing an architectural model based on the design drawings;

[0006] According to the actual pipeline layout requirements on site, several bridge models for placing pipelines are established in the building model, bridge junction box models are established at the staggered positions of the bridge models, and several pipeline channels are set up in the bridge junction box models according to the extension direction of each pipeline;

[0007] Manufacturing the bridge junction box according to the bridge junction box model;

[0008] According to the building model, the bridge junction box and the bridge are fixedly installed in the building, the bridge and the bridge junction box are connected, and pipelines are laid in the bridge junction box and the bridge.

[0009] Furthermore, after the building model is established, the building model is optimized through BIM.

[0010] Furthermore, when installing the bridge junction box, a hanger is provided, and according to the building model, the hanger is fixed to the bottom of the building floor. The hanger is set corresponding to the setting position of the bridge junction box, and the bridge junction box is fixedly installed on the hanger.

[0011] Furthermore, after the bridge junction box is manufactured, the size and structure of the bridge junction box are inspected and accepted.

[0012] Furthermore, when installing the bridge, a hanger is provided, and according to the building model, the hanger is fixed to the bottom of the building floor. The hanger is set corresponding to the setting position of the bridge, and the bridge is fixedly installed at the bottom of the screw rod.

[0013] Furthermore, after the bridge is installed, the bridge is subjected to fireproof sealing treatment.

[0014] Furthermore, after the bridge junction box model is established, the bridge junction box model is optimized through BIM.

[0015] Furthermore, after the bridge is installed, the bridge is grounded.

[0016] Furthermore, when installing the bridge, connecting bolts are provided, and two adjacent bridges are fixedly connected by the connecting bolts.

[0017] Furthermore, before the bridge is installed, the quality of the bridge is inspected and accepted.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] First, the building is modeled, and a bridge model for pipeline placement is established within the established model. The bridge junction box model is set at the staggered position of the bridge model to arrange the pipelines, thereby reducing the complexity of the pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is an overall structural diagram of a bridge interchange type refined installation construction method;

[0021] Figure 2 A structural diagram of a bridge junction box for a bridge interchange-type refined installation and construction method;

[0022] Legend: 1. Building model; 2. Bridge junction box; 3. Bridge. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0024] See Figure 1A bridge interchange type refined installation and construction method comprises the following steps: providing a design drawing of a building, and establishing a building model 1 according to the design drawing; establishing a plurality of bridge frame 3 models for placing pipelines in the building model 1 according to the actual pipeline layout requirements on site, establishing a bridge frame junction box 2 model at the staggered position of the bridge frame 3 model, and setting a plurality of pipeline channels in the bridge frame junction box 2 model according to the extension direction of each pipeline; making the bridge frame junction box 2 according to the bridge frame junction box 2 model; according to the building model 1, fixing the bridge frame junction box 2 and the bridge frame 3 in the building, the bridge frame 3 and the bridge frame junction box 2 are connected, and laying pipelines in the bridge frame junction box 2 and the bridge frame 3.

[0025] In the present invention, a preferred implementation method is: before construction, the installation position of the bridge 3 is determined according to the requirements of the construction drawings, the minutes of the drawing review, the relevant professional drawings and the construction specifications, and the building model 1 is established by using BIM technology. In order to maximize the utilization rate of the confined space, the bridge 3 model and the bridge junction box 2 model are established in the building model 1. The bridge 3 model is considered in a side-by-side and shared bracket manner, and the parts of the bridge 3 that need to change the vertical elevation, branch, horizontal displacement, angle, etc. are marked and numbered. According to the specification requirements and the sizes of the side-by-side bridges 3, the physical models of the numbered bridge junction boxes 2 are drawn with reference to a certain proportion using BIM technology, and sent to the manufacturer for unified processing and production. According to the building model 1, the bridge junction box 2 and the bridge 3 are fixedly installed in the building, the bridge 3 and the bridge junction box 2 are connected, and the pipelines are laid in the bridge junction box 2 and the bridge 3 to complete the laying of the pipelines.

[0026] Furthermore, after the building model 1 is established, the building model 1 is optimized through BIM.

[0027] Furthermore, when installing the bridge junction box 2, a hanger is provided. According to the building model 1, the hanger is fixed to the bottom of the floor of the building. The hanger is set corresponding to the setting position of the bridge junction box 2, and the bridge junction box 2 is fixedly installed on the hanger.

[0028] Furthermore, the hanger adopts a metal hanger and is set at the bottom of the roof of the building through a screw rod and an angle steel. The screw rod diameter and the angle steel specification should meet the force requirements of the bridge frame 3. The horizontally installed support and hanger spacing is 1500mm, and the vertically installed support spacing is 2000mm. The hanger settings of the bridge frame 3 in the corresponding section should be evenly distributed and meet the requirements of the specifications; determine the installation height of the bridge frame 3 (the width of the angle steel should be considered together), and the bridge frame 3 should be equipped with fixed hangers at a distance of 500mm at the entrance and exit of the box, cabinet, branch, etc., and additional hangers should be added at the connection between straight and non-straight sections, across deformation joints, etc., and anti-sway brackets should be set according to the requirements of the specifications, and the hanger spacing between each span should be evenly distributed; the hanger installation should comply with the requirements of the design or product technical documents, the hanger installation should be firm, without obvious distortion, the expansion bolts should be selected to be suitable, the anti-loosening parts should be complete, and the connection should be firm.

[0029] Furthermore, after the bridge junction box 2 is manufactured, the size and structure of the bridge junction box 2 are inspected and accepted.

[0030] Furthermore, the incoming cable tray 3, support and hanger materials, and other auxiliary materials should be inspected and accepted according to the design requirements, and the product specifications, models, quantity, plate thickness, coating thickness, etc. should be checked to see if they meet the design and specification requirements. The cable tray 3 should be smooth and flat, without thorns, twisting, warping, and other deformation phenomena. The cable tray junction box 2 should be inspected and accepted according to the order contract and in combination with the "Technical Code for Steel Cable Tray Engineering" T / CECS31-2017. To ensure the quality of the cable tray junction box 2, the plate thickness and coating thickness of the cable tray junction box 2 should be checked item by item to ensure they are consistent with the design requirements of the cable tray 3. The measured size and height of the cable tray junction box 2 should be the same as the established model size. The inside of the cable tray junction box 2 should be smooth and flat, without thorns, and the bending radius inside the box should meet the laying requirements of the wires. Corresponding qualification certificates and quality inspection reports must be available. If unqualified products are found, acceptance is strictly prohibited.

[0031] Furthermore, when installing the bridge 3, a hanger is provided, and according to the building model 1, the hanger is fixed to the bottom of the building floor. The hanger is set corresponding to the setting position of the bridge 3, and the bridge 3 is fixedly installed at the bottom of the screw rod. Preferably, the installation of the bridge 3 should be straight, without distortion, the inner wall of the bridge 3 should be free of burrs, and various accessories should be complete; the interface of the bridge 3 should be flat, the joints should be tight and straight, the cover plate should be flat after installation, and the seal should be tight, and the position of each outlet should be accurate; when the galvanized bridge 3 is installed, when the bridge 3 is connected to the bridge 3, the connecting plate at the end of the bridge 3 is fixed with no less than 2 connecting bolts with anti-loosening nuts or anti-loosening washers at each end, and the nuts should be located on the outside of the bridge 3.

[0032] Furthermore, after the bridge 3 is installed, the bridge 3 is subjected to fireproof sealing. Preferably, the bridge 3 that passes through the fire partition is fireproof sealed according to the design and specification requirements. The sealing of the bridge 3 is divided into sealing between the outside of the bridge 3 and the reserved holes in the floor or wall, and sealing inside the bridge 3 after the wiring is laid. The sealing materials used (fireproof mud, fireproof bag, etc.) should all be non-combustible materials.

[0033] Furthermore, after the bridge junction box 2 model is established, the bridge junction box 2 model is optimized through BIM.

[0034] Furthermore, after the bridge 3 is installed, the bridge 3 is grounded. Preferably, when the bridge 3 is installed over a distance of more than 30 m, a grounding point is added every 20-30 m. If the bridge 3 is not installed over a distance of more than 30 m, at least two grounding points are ensured. After the bridge 3 is installed, a ground resistance tester is used to measure the ground resistance of the bridge 3. The ground resistance value should meet the design requirements.

[0035] Furthermore, when installing the bridge frame 3 , connecting bolts are provided, and two adjacent bridge frames 3 are fixedly connected by the connecting bolts.

[0036] Furthermore, before installing the bridge frame 3 , the quality of the bridge frame 3 is inspected and accepted.

[0037] The following describes the use of a bridge interchange type refined installation construction method of the present invention.

[0038] Before construction, the installation location of the bridge 3 is determined according to the requirements of the construction drawings, drawing review minutes, relevant professional drawings and construction specifications. The building model 1 is established using BIM technology. To maximize the utilization of the confined space, the bridge 3 model and the bridge junction box 2 model are established within the building model 1. The bridge 3 model is considered in a side-by-side and shared bracket manner. The parts of the bridge 3 that need to change the vertical elevation, branches, horizontal displacement, angle, etc. are marked and numbered. The internal structure of the bridge junction box 2 is similar to that of an overpass, with multiple branches and different pipelines branching inside it. According to the specifications and the sizes of the side-by-side bridges 3, the physical models of the bridge junction boxes 2 with different numbers are drawn with reference to a certain scale using BIM technology and sent to the manufacturer for unified processing and production. According to the building model 1, the bridge junction box 2 and bridge 3 are fixedly installed in the building. The bridge 3 and the bridge junction box 2 are connected, and the pipelines are laid in the bridge junction box 2 and the bridge 3 to complete the laying of the pipelines.

[0039] The present invention has been described in detail above with reference to the embodiments of the accompanying drawings. A person skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention. The scope of protection of the present invention shall be determined by the scope defined in the appended claims.

Claims

1. A bridge interchange type refined installation construction method, characterized in that: The steps include: Providing architectural design drawings and establishing an architectural model based on the design drawings; According to the actual pipeline layout requirements on site, several bridge models for placing pipelines are established in the building model, bridge junction box models are established at the staggered positions of the bridge models, and several pipeline channels are set up in the bridge junction box models according to the extension direction of each pipeline; Manufacturing the bridge junction box according to the bridge junction box model; According to the building model, the bridge junction box and the bridge are fixedly installed in the building, the bridge and the bridge junction box are connected, and pipelines are laid in the bridge junction box and the bridge.

2. The bridge interchange type refined installation construction method according to claim 1 is characterized by: After the building model is established, the building model is optimized through BIM.

3. A bridge interchange type refined installation construction method according to claim 1, characterized in that: When installing the bridge junction box, a hanger is provided. According to the building model, the hanger is fixed to the bottom of the building floor. The hanger is set corresponding to the setting position of the bridge junction box, and the bridge junction box is fixedly installed on the hanger.

4. The bridge interchange type refined installation construction method according to claim 1 is characterized by: After the bridge junction box is manufactured, the size and structure of the bridge junction box are inspected and accepted.

5. The bridge interchange type refined installation construction method according to claim 1 is characterized in that: When installing the bridge, a hanger is provided. According to the building model, the hanger is fixed to the bottom of the building floor. The hanger is set corresponding to the setting position of the bridge, and the bridge is fixedly installed at the bottom of the screw rod.

6. The bridge interchange type refined installation construction method according to claim 1 is characterized by: After the bridge is installed, the bridge is subjected to fireproof sealing treatment.

7. The bridge interchange type refined installation construction method according to claim 1 is characterized in that: After the bridge junction box model is established, the bridge junction box model is optimized through BIM.

8. The bridge interchange type refined installation construction method according to claim 1 is characterized by: After the bridge is installed, the bridge is grounded.

9. The bridge interchange type refined installation construction method according to claim 1 is characterized by: When installing the bridge, connecting bolts are provided, through which two adjacent bridges are fixedly connected.

10. The bridge interchange type refined installation construction method according to claim 1, characterized in that: Before installing the bridge, the quality of the bridge is inspected and accepted.

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