Round hole mounting structure in aerial corridor and construction method of round hole mounting structure

Abstract

The invention discloses a round hole mounting structure in an air corridor and a construction method thereof. The installation structure comprises a corridor unit connected between pre-connecting pieces, an inlaying unit arranged between the corridor unit and a tower in a filling mode, a round hole formed in the bottom of the corridor unit, an annular aluminum veneer arranged on the inner side of the round hole, an annular longitudinal rod and an annular transverse rod, wherein the annular longitudinal rod and the annular transverse rod are connected to the inner side of the round hole. The upper glass assembly is arranged at the upper part of the round hole; and the lower glass assembly is arranged at the lower part of the round hole. The lower connecting rods, the annular longitudinal rods and the annular transverse rods are arranged in the round holes, so that a stress supporting system at the round holes can be formed; the layered arrangement is beneficial to providing a mounting foundation for the glass assembly; through layered arrangement of the upper glass assembly and the lower glass assembly, filling and double-layer protection of gaps at the round holes can be guaranteed; through the arrangement of the annular aluminum veneer and the outside-pole aluminum veneer, protection and decoration of the periphery are guaranteed, and through the combined arrangement of the annular aluminum veneer and the outside-pole aluminum veneer and the glass butt-joint assembly, the integrity and the leakproofness of installation are guaranteed.

Description

Technical Field

[0001] This invention relates to the field of construction technology for sky bridges, and particularly to a circular hole installation structure and construction method for sky bridges. Background Technology

[0002] To facilitate interconnection between adjacent towers, sky bridges are a standard design feature. These sky bridges are typically steel frame structures, fully constructed using steel beams and members. However, designs that incorporate circular openings at the bottom of the sky bridge with specific considerations are rare. Ensuring both the aesthetic appeal of the openings and the structural integrity and stability of the installation structure requires a tailored design approach. Summary of the Invention

[0003] This invention provides an installation structure and construction method for a circular opening in an aerial walkway, which solves technical problems such as the installation of the support structure, glass connection, and fixed connection structure at the bottom circular opening of the aerial walkway.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A circular hole installation structure in an aerial corridor includes two parallel towers, pre-connectors pre-installed on each tower, corridor units connected between the pre-connectors, interlocking units filling the gap between the corridor units and the towers, a circular hole at the bottom of the corridor unit, a circumferential aluminum panel inside the circular hole, a circumferential longitudinal bar and a circumferential transverse bar connected inside the circular hole, an upper glass assembly at the top of the circular hole, and a lower glass assembly at the bottom of the circular hole. The ring longitudinal bars and ring transverse bars are arranged in a grid pattern and are divided into two layers: upper ring longitudinal bars and upper ring transverse bars, and lower ring longitudinal bars and lower ring transverse bars, with an open layer between the layers; the upper glass assembly is connected above the upper ring longitudinal bars; the lower glass assembly is connected below the lower ring longitudinal bars. The bottom of the connecting corridor unit is enclosed by a lower circular ring rod to form a circular opening. The bottom of the connecting corridor unit is also provided with two parallel lower chord rods, and a lower connecting rod is vertically connected between the two lower chord rods. The lower connecting rods are spaced apart along the length of the lower chord rods, and the lower connecting rods are also located at the center of the lower circular ring rod. The height of the lower connecting rods corresponds to the thickness of the lower circular ring rods and respectively connects the upper and lower ring longitudinal and ring transverse rods.

[0005] Furthermore, the connecting corridor unit includes two parallel upper chords, an upper connecting rod vertically and spaced apart between the upper chords, an upper connecting secondary rod vertically and spaced apart between the upper connecting rods, an upper connecting web rod between the upper connecting secondary rods, two parallel lower chords, a lower connecting rod vertically and spaced apart between the lower chords, a lower connecting secondary rod vertically and spaced apart between the lower connecting rods, a lower connecting web rod between the lower connecting secondary rods, a lower circular ring rod between the lower connecting rods, and a side web rod between the upper and lower chords.

[0006] Furthermore, both the upper chord and the lower chord include a main rod and a secondary rod arranged in parallel with the main rod. The main rod and the secondary rod are connected by a connecting rod. The main rod is respectively connected to the upper connecting rod, the lower connecting rod, the upper web rod, the lower web rod, or the side web rod. Both the upper and lower abdominal rods are X-shaped, and a reinforcing rod is provided at the intersection. The reinforcing rod is parallel to the lower connecting rod. The side bracing includes spaced-apart vertical bracing and diagonal bracing between the vertical bracing; The lower circular rod is surrounded by a rhombus-shaped frame, which is connected to the lower connecting rod and the lower chord rod around it by connecting rods.

[0007] Furthermore, the pre-connector includes a bracket corresponding to the upper chord, a horizontal bar corresponding to the lower chord, and a diagonal bar corresponding to the diagonal web member; The patching unit includes an X-shaped member disposed between the upper chord members and a patching reinforcement rod disposed at the intersection point, and also includes a middle patching rod, which is a straight rod and connects the tower to the middle connecting rod of the front and rear side web members.

[0008] Furthermore, the upper longitudinal rod of the ring is connected to the upper glass assembly via a glass docking assembly, and the upper glass assembly is a triple-layer tempered laminated glass; The lower ring rod is connected to the lower glass assembly via a double or single connector, and the lower connecting rod at the center of the lower ring rod is connected to the lower glass assembly via a double connector; the lower glass assembly is two layers of tempered laminated glass. Both the double-connector and the single-connector include a connecting claw and a connecting connector, with the connecting connector corresponding to clamp the lower glass assembly; The single connector is located at both ends, and the connector claw is angled on one side to connect to the lower glass assembly on one side. The connecting claws of the double connector are arranged in a figure-eight shape to connect the lower glass components on both sides.

[0009] Furthermore, the circumferential aluminum single plate is arranged along the inner side of the lower circular ring rod and connected by corner fittings; Both the lower longitudinal rod and the lower circular rod have an outer aluminum plate on their outer periphery at the center of the lower connecting rod. The outer aluminum plate is fixedly connected to the lower longitudinal rod or the lower connecting rod by corner brackets.

[0010] Furthermore, the outer aluminum single panel of the rod includes an aluminum single main panel disposed along the outer periphery of the lower longitudinal bar or the lower connecting bar, an inverted U-shaped part disposed at the bottom center of the aluminum single main panel, a plate pin connecting the inverted U-shaped part and the aluminum single main panel, and a plate connector connecting the top of the inverted U-shaped part. The aluminum single main board is arranged in two opposite L-shapes with vertical flanges at the horizontal extension ends. The two vertical flanges are arranged in parallel and are inserted into the openings of the inverted U-shaped parts. The middle of the two vertical flanges and the middle of the inverted U-shaped parts are respectively connected to the plate pins. The plate connector is respectively connected to the bottom of the lower connecting rod.

[0011] Furthermore, the top of the lower connecting rod at the center of the lower ring rod and the lower circular ring rod are both connected to the upper glass assembly through a glass docking assembly, and the upper glass assembly is spliced ​​at the connection point.

[0012] Furthermore, the glass docking assembly includes a U-shaped glass docking base, a glass docking subframe connected above the glass docking base, and a glass docking pressure block that presses against the glass docking subframe and is bolted to the glass docking base. The bottom of the glass docking base is fixedly connected to the inverted U-shaped bent steel connector, and the bent steel connector is welded to the lower connecting rod at the center of the lower ring rod or the lower circular ring rod. The two side plates of the glass docking base are connected to the aluminum single main plate by screws through right-angle brackets; Alternatively, the two side plates of the glass docking base are respectively connected to the glass docking connector with screws. The glass docking connector is connected to the corresponding aluminum single main board with screws through right-angle brackets. The glass docking connector includes a vertical plate corresponding to the side plate of the glass docking base and a rectangular frame integrally made with the vertical plate and connected to the top of the corresponding aluminum single main board.

[0013] Furthermore, the construction method for the circular opening installation structure in the aerial corridor, specifically the following steps: Step 1: After the tower is completed, install the pre-connected parts on the tower and install the lifting device at the top of the pre-connected parts; Step 2: Set up an assembly frame on the ground or the roof of the podium building, and assemble the connecting corridor units on the frame; lift the connecting corridor units with a lifting device, and connect them with the pre-connecting parts after the connection is stable; after the connection is stable, carry out the construction of the inlay unit. Step 3: First, erect steel wire ropes above the circular opening and fix them to the installed structure as lifelines for workers to hang five-point safety belts during construction; then, use steel wire ropes to weave a net horizontally and vertically and install it to the bottom of the circular opening of the corridor; then lay a layer of safety net on the steel wire rope net, and finally lay a layer of fireproof cloth to protect the bottom of the circular opening. Step 4: A simple gantry frame is erected on the floor of the tower where the connecting corridor unit is located; the simple gantry frame is erected on the upper part of the disc, and four directional wheels are installed at the bottom of the simple gantry frame for moving to different installation positions; Step 5: Construction workers use a hanging cage for construction. First, install the longitudinal and transverse ring bars; then install the corresponding circumferential aluminum panels, installing each aluminum panel one by one and applying adhesive. Step Six: Install the lower glass assembly first, then the upper glass assembly. First, pre-install the connectors for both double and single connectors on the lower glass assembly. Then, use a simple gantry crane to lift the lower glass assembly from both ends and move it to the corresponding installation position via the track. Next, install the lower glass assembly, securing it in the corresponding position using the hoist cage. Connect the connectors in the lower glass assembly to the connector claws pre-attached to the rods. Step 7: After completing the installation of the lower glass components, use a hoist cage to install the outer aluminum panels of the poles, and then proceed with the installation of the upper glass components. Similarly, use a simple gantry crane to move the upper glass components to the corresponding positions for installation. When installing the upper glass components, use wooden planks temporarily laid on the completed upper longitudinal and horizontal bars of the ring as a simple platform for personnel to access the upper glass components. Then, install the upper glass components using glass connecting components and bent steel connectors, thereby completing the construction of the circular opening installation structure in the sky bridge.

[0014] The beneficial effects of this invention are reflected in: 1) This invention facilitates the formation of a force-bearing support system at the circular hole by setting a lower connecting rod, a ring longitudinal rod, and a ring transverse rod in the circular hole; and the layered arrangement of the ring longitudinal rod and the ring transverse rod facilitates the provision of an installation foundation for the glass assembly; 2) By using the upper and lower glass components in a layered arrangement, the installation of the glass can ensure the filling of the gap at the round hole, and the layered arrangement facilitates separate installation and forms double-layer protection; thus ensuring both aesthetics and safety. 3) The present invention ensures the protection and decoration of the outer periphery of the lower circular rod, the longitudinal rod and the transverse rod by setting the circumferential aluminum single plate and the outer aluminum single plate of the rod, and ensures the integrity and airtightness of the installation by setting it together with the glass docking assembly.

[0015] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention; the main objects and other advantages of the invention may be realized and obtained by means of the embodiments particularly pointed out in the description. Attached Figure Description

[0016] Figure 1 This is a three-dimensional diagram of the sky bridge structure. Figure 1 ; Figure 2 This is a three-dimensional diagram of the sky bridge structure. Figure 2 ; Figure 3 This is a schematic diagram of the installation structure inside the circular hole; Figure 4 This is a schematic diagram of a circumferential aluminum panel and its connection structure; Figure 5 This is a schematic diagram of the upper glass assembly, the lower glass assembly, and their connection structure. Figure 6 This is a schematic diagram of the lower connecting rod in the middle of the circular hole and its connecting structure; Figure 7 This is a partial schematic diagram of the lower connecting rod and its connecting structure in the middle of the circular hole; Figure 8 This is a schematic diagram of the upper longitudinal rod, the upper glass assembly, and their connection structure. Figure 9 This is a partial schematic diagram of the ring's longitudinal rod, the upper glass assembly, and their connecting structure; Figure 10 This is a schematic diagram of the aluminum single-panel structure of the pole; Figure 11 This is a partial structural diagram of the aluminum single-panel structure of the pole; Figure 12 This is a schematic diagram of the lower longitudinal bar, the lower glass assembly, and their connection structure. Figure 13 This is a schematic diagram of the double connector and its connection structure; Figure 14 This is a schematic diagram of a single connector and its connection structure.

[0017] Attached reference numerals: 1-Tower, 2-Pre-connector, 3-Insertion unit, 4-Connecting corridor unit, 41-Upper chord, 42-Upper connecting rod, 43-Upper secondary connecting rod, 44-Upper web connecting rod, 45-Lower chord, 46-Lower connecting rod, 47-Lower secondary connecting rod, 48-Lower web connecting rod, 49-Lower circular ring rod, 410-Side web rod, 5-Lifter, 6-Circular aluminum panel, 7-Circular longitudinal rod, 71-Circular upper longitudinal rod, 72-Circular lower longitudinal rod, 8-Circular cross rod, 81-Circular upper cross rod 82-Lower crossbar, 9-Elevated floor, 10-Upper glass assembly, 11-Lower glass assembly, 12-Double connector, 13-Single connector, 14-Outer aluminum panel, 141-Aluminum main panel, 142-Inverted U-shaped piece, 143-Plate pin, 144-Plate connector, 15-Glass docking assembly, 151-Glass docking base, 152-Glass docking subframe, 153-Glass docking pressure block, 154-Glass docking connector, 16-Bent steel connector. Detailed Implementation

[0018] Taking a commercial tower with connecting corridors as an example, the tower has 45 floors and a height of 220.5m, the podium has 3 floors and a height of 20.55m, and the connecting corridors are located between the 38th and 40th floors of the tower. Figures 1 to 14As shown, a circular hole installation structure in an aerial corridor includes two parallel towers 1, pre-connectors 2 pre-installed on each tower 1, corridor units 4 connected between the pre-connectors 2, interlocking units 3 filling the gap between the corridor units 4 and the towers 1, a circular hole at the bottom of the corridor units 4, a circumferential aluminum panel 6 inside the circular hole, a circumferential longitudinal bar 7 and a circumferential transverse bar 8 connected inside the circular hole, an upper glass assembly 10 at the top of the circular hole, and a lower glass assembly 11 at the bottom of the circular hole.

[0019] In this embodiment, the ring longitudinal bars 7 and ring transverse bars 8 are arranged in a grid pattern and are divided into upper ring longitudinal bars 71 and upper ring transverse bars 81, and lower ring longitudinal bars 72 and lower ring transverse bars 82, with an open layer 9 between the layers; the upper glass assembly 10 is connected above the upper ring longitudinal bars 71; the lower glass assembly 11 is connected below the lower ring longitudinal bars 72. The upper ring longitudinal bars 71 are made of 200x100x8mm hot-dip galvanized steel tubing, and the upper ring transverse bars 81 are made of 100x100x4mm hot-dip galvanized steel tubing.

[0020] In this embodiment, both the upper chord 41 and the lower chord 45 include a main rod and a secondary rod arranged in parallel with the main rod. The main rod and the secondary rod are connected by a connecting rod. The main rod is respectively connected to the upper connecting rod 42, the lower connecting rod 46, the upper web rod, the lower web rod, or the side web rod 410. Both the upper and lower web members are X-shaped, and a web reinforcement bar is provided at the intersection. The web reinforcement bar is arranged parallel to the lower connecting rod 46. The side web members 410 include vertical members arranged at intervals and diagonal members arranged between the vertical members. The lower ring member 49 is surrounded by a diamond frame, which is connected to the lower connecting rod 46 and the lower chord member 45 around it by connecting rods.

[0021] In this embodiment, the pre-connector 2 includes a corbel connected to the upper chord 41, a horizontal bar set to the lower chord 45, and an inclined bar set to the inclined web member; the patching unit 3 includes an X-shaped member set between the upper chords 41 and a patching reinforcement bar 31 set at the intersection, and also includes a middle patching bar 32, which is a straight bar and connects the tower 1 with the middle connecting rod of the front and rear side web members 410.

[0022] In this embodiment, the bottom of the connecting corridor unit 4 is enclosed by a lower circular ring rod 49 to form a circular hole. The bottom of the connecting corridor unit 4 is also provided with two parallel lower chord rods 45, and a lower connecting rod 46 is vertically connected between the two lower chord rods 45. The lower connecting rod 46 is spaced apart along the length of the lower chord rods 45, and the lower connecting rod 46 is also located at the center of the lower circular ring rod 49. The height of the lower connecting rod 46 corresponds to the thickness of the lower circular ring rod 49 and is respectively connected to the upper and lower ring longitudinal rods 7 and ring transverse rods 8. The connecting corridor unit 4 includes two parallel upper chords 41, upper connecting rods 42 vertically and spaced apart between the upper chords 41, upper connecting secondary rods 43 vertically and spaced apart between the upper connecting rods 42, upper connecting web rods 44 between the upper connecting secondary rods 43, two parallel lower chords 45, lower connecting rods 46 vertically and spaced apart between the lower chords 45, lower connecting secondary rods 47 vertically and spaced apart between the lower connecting rods 46, lower connecting web rods 48 between the lower connecting secondary rods 47, lower ring rods 49 between the lower connecting rods 46, and side web rods 410 between the upper chords 41 and the lower chords 45.

[0023] In this embodiment, the upper vertical rod 71 is connected to the upper glass assembly 10 via the glass docking assembly 15. The upper glass assembly 10 is a triple-layer tempered laminated glass. The lower vertical rod 72 is connected to the lower glass assembly 11 via a double connector 12 or a single connector 13. The lower connecting rod 46 at the center of the lower circular rod 49 is connected to the lower glass assembly 11 via a double connector 12. The lower glass assembly 11 is a double-layer tempered laminated glass. Both the double connector 12 and the single connector 13 include connector claws and connector joints. The connector joints clamp the lower glass assembly 11. The single connector 13 is located at both ends, and the connector claws are angled on one side to connect to the lower glass assembly 11 on one side. The connector claws of the double connector 12 are arranged in a figure-eight shape to connect the lower glass assemblies 11 docked on both sides.

[0024] In this embodiment, the circumferential aluminum single panel 6 is laid out along the inner side of the lower circular ring rod 49 and connected by corner fittings; the circumferential aluminum single panel 6 is made of 2.5mm fluorocarbon coated aluminum plate.

[0025] In this embodiment, both the lower longitudinal rod 72 and the lower ring rod 49 have an outer aluminum plate 14 on their outer periphery. The outer aluminum plate 14 is fixedly connected to the lower longitudinal rod 72 or the lower connecting rod 46 at the center of the ring rod 49 through corner pieces.

[0026] In this embodiment, the outer aluminum panel 14 includes an aluminum main plate 141 arranged along the outer periphery of the lower longitudinal bar 72 or the lower connecting bar 46, an inverted U-shaped piece 142 disposed at the bottom center of the aluminum main plate 141, a plate pin 143 connecting the inverted U-shaped piece 142 and the aluminum main plate 141, and a plate connector 144 connected to the top of the inverted U-shaped piece 142; wherein, the outer aluminum panel 14 is made of 2.5mm fluorocarbon coated aluminum plate. The aluminum main plate 141 is arranged in two opposite L-shapes and has vertical flanges at the horizontal extension ends. The two vertical flanges are arranged parallel and are correspondingly inserted into the opening of the inverted U-shaped piece 142; the plate pin 143 is correspondingly inserted through the middle of the two vertical flanges and the middle of the inverted U-shaped piece 142; the plate connector 144 is correspondingly connected to the bottom of the lower connecting bar 46.

[0027] In this embodiment, the top of the lower connecting rod 46 at the center of the lower ring rod 72 and the lower ring rod 49 are both connected to the upper glass assembly 10 through the glass docking assembly 15, and the upper glass assembly 10 is spliced ​​at the connection point.

[0028] In this embodiment, the glass docking assembly 15 includes a U-shaped glass docking base 151, a glass docking subframe 152 connected above the glass docking base 151, and a glass docking pressure block 153 that presses against the glass docking subframe 152 and is bolted to the glass docking base 151; the bottom of the glass docking base 151 is fixedly connected to an inverted U-shaped bent steel connector 16, and the bent steel connector 16 is welded to the lower connecting rod 46 at the center of the lower ring rod 72 or the lower ring rod 49; the two side plates of the glass docking base 151 are connected to the aluminum single main plate 141 by screws through right-angle brackets; or the two side plates of the glass docking base 151 are respectively connected to the glass docking connector 154 by screws, and the glass docking connector 154 is connected to the corresponding aluminum single main plate 141 by screws through right-angle brackets; the glass docking connector 154 includes a vertical plate corresponding to the side plate of the glass docking base 151 and a rectangular frame integrally formed with the vertical plate and connected to the top of the corresponding aluminum single main plate 141.

[0029] Combination Figures 1 to 14 As shown, the construction method for the circular opening installation structure in the aerial corridor is further explained. The specific steps are as follows: Step 1: After the construction of Tower 1 is completed, install the pre-connector 2 on Tower 1 and install the lifting device 5 at the top of the pre-connector 2.

[0030] Step 2: Set up an assembly frame on the ground or the roof of the podium building, and assemble the connecting corridor unit 4 on the frame; lift the connecting corridor unit 4 with the lifting device 5, and connect it with the pre-connector 2 after it reaches the designated position. After the connection is stable, carry out the construction of the inlay unit 3.

[0031] Step 3: First, erect steel wire ropes above the circular opening and fix them to the installed structure as lifelines for workers to hang five-point safety belts during construction. Then, use steel wire ropes to weave a net horizontally and vertically and install it to the bottom of the circular opening of the corridor. Lay a safety net on the steel wire rope net and finally lay a fireproof cloth to protect the bottom of the circular opening.

[0032] Step 4: A simple gantry frame is erected on the first floor of the tower where the connecting corridor unit 4 is located. The simple gantry frame is erected on the upper part of the disc, and four directional wheels are installed at the bottom of the simple gantry frame for moving to different installation positions.

[0033] Step 5: When the construction workers are working, they will use a hanging cage for construction. First, install the ring longitudinal bars 7 and ring transverse bars 8; then install the corresponding ring aluminum panels 6, and install the aluminum panels one by one and complete the caulking.

[0034] Step 6: Install the lower glass assembly 11 first, then install the upper glass assembly 10. First, install the connectors of the double connector 12 and the single connector 13 on the lower glass assembly 11 in advance. Then, use a simple gantry crane to lift the lower glass assembly 11 from both ends and move it to the corresponding installation position via the track. Then, install the lower glass assembly 11 and fix it in the corresponding position using the hoist cage. Connect the connectors in the lower glass assembly 11 to the connector claws that are pre-connected to the rod.

[0035] Step 7: After completing the installation of the lower glass assembly 11, use a hoist cage to install the outer aluminum panel 14, and then install the upper glass assembly 10. Similarly, use a simple gantry crane to move the upper glass assembly 10 to the corresponding position for installation. When installing the upper glass assembly 10, use wooden planks temporarily laid on the completed upper ring longitudinal bar 71 and upper ring transverse bar 81 as a simple platform for personnel to access the upper glass assembly 10. Then, install the upper glass assembly 10 through the glass connecting assembly 15 and the bent steel connector 16 to complete the construction of the circular opening installation structure in the sky bridge.

[0036] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. An aerial gallery round hole mounting structure characterized by, The application relates to a building structure, which comprises two parallel towers (1), pre-connected components (2) pre-installed on each tower (1), a corridor unit (4) connected between the pre-connected components (2), an inlay unit (3) filled between the corridor unit (4) and the tower (1), a round hole arranged at the bottom of the corridor unit (4), a ring-shaped aluminum single plate (6) arranged inside the round hole, ring longitudinal rods (7) and ring transverse rods (8) connected to the inside of the round hole, an upper glass assembly (10) arranged at the upper portion of the round hole and a lower glass assembly (11) arranged at the lower portion of the round hole. The ring longitudinal rods (7) and the ring transverse rods (8) are arranged in a grid and are divided into upper ring longitudinal rods (71) and upper ring transverse rods (81), lower ring longitudinal rods (72) and lower ring transverse rods (82), and the upper ring longitudinal rods (71) and the upper ring transverse rods (81) are connected with the upper glass assembly (10). The bottom of the corridor unit (4) is surrounded by a lower circular ring rod (49) to form a round hole, and the bottom of the corridor unit (4) is further provided with two parallel lower chord rods (45), and the two lower chord rods (45) are vertically connected with a lower connecting rod (46); the lower connecting rod (46) is arranged between the lower chord rods (45) in the length direction, and the lower connecting rod (46) is arranged at the center of the lower circular ring rod (49); the height of the lower connecting rod (46) corresponds to the thickness of the lower circular ring rod (49) and is respectively connected with the ring longitudinal rods (7) and the ring transverse rods (8) of the upper layer and the lower layer.

2. The structure for installing a hole in an air corridor according to claim 1, wherein The corridor unit (4) comprises two parallel upper chord rods (41), upper connecting rods (42) vertically and spacedly arranged between the upper chord rods (41), upper connecting secondary rods (43) vertically and spacedly arranged between the upper connecting rods (42), upper connecting web rods (44) arranged between the upper connecting secondary rods (43), two parallel lower chord rods (45), lower connecting rods (46) vertically and spacedly arranged between the lower chord rods (45), lower connecting secondary rods (47) vertically and spacedly arranged between the lower connecting rods (46), lower connecting web rods (48) arranged between the lower connecting secondary rods (47), a lower circular ring rod (49) arranged between the lower connecting rods (46), and side web rods (410) arranged between the upper chord rods (41) and the lower chord rods (45).

3. An air corridor midspan installation structure as defined in claim 2, wherein The upper chord rods (41) and the lower chord rods (45) each comprise a main rod and a secondary rod arranged in parallel with the main rod, and the main rod and the secondary rod are connected through a connecting rod; the main rod is respectively connected with the upper connecting rod (42), the lower connecting rod (46), the upper web rod, the lower web rod or the side web rod (410). The upper web rod and the lower web rod are X-shaped members, and a web reinforcing rod is further arranged at the intersection; the web reinforcing rod is arranged in parallel with the lower connecting rod (46). The side web rod (410) comprises vertically arranged vertical rods and obliquely arranged oblique rods between the vertical rods. The lower circular ring rod (49) is provided with a rhombic frame around the lower circular ring rod (49), and the rhombic frame is connected with the lower connecting rods (46) and the lower chord rods (45) around the lower circular ring rod (49) through connecting rods.

4. The structure for installing a hole in an air corridor according to claim 3, wherein The pre-connected component (2) comprises a corbel member corresponding to the upper chord rod (41), a horizontal rod corresponding to the lower chord rod (45) and an inclined rod corresponding to the oblique web rod. The embedded unit (3) comprises an X-shaped member arranged between the upper chords (41) and an embedded reinforcing rod (31) arranged at the intersection, and further comprises a middle embedded rod (32) which is a straight rod and is connected between the tower (1) and the middle connecting rods of the front and rear two side spars (410).

5. An overhang hole mounting structure according to claim 4, wherein The upper glass assembly (10) is connected to the upper glass assembly (10) through the glass butt joint assembly (15), and the upper glass assembly (10) is three layers of tempered laminated glass. The lower circular ring rod (49) is connected to the lower glass assembly (11) through the double adapter (12) or the single adapter (13), and the lower connecting rod (46) at the center of the lower circular ring rod (49) is connected to the lower glass assembly (11) through the double adapter (12). The lower glass assembly (11) is two layers of tempered laminated glass. The double adapter (12) and the single adapter (13) both comprise an adapter claw and an adapter joint, and the adapter joint corresponds to the clamping of the lower glass assembly (11). The single adapter (13) is arranged at both ends, and the adapter claw is arranged on one side for connecting the lower glass assembly (11) on one side. The adapter claw of the double adapter (12) is arranged in a spreader shape for connecting the lower glass assembly (11) on both sides.

6. An overpass hole mounting structure according to claim 5, wherein The circumferential aluminum single plate (6) is arranged along the inner side of the lower circular ring rod (49) and is connected through an angle piece. The outer aluminum single plate (14) is arranged on the outer periphery of the lower connecting rod (46) at the center of the lower circular ring rod (49) and the lower longitudinal rod (72), and is fixedly connected with the lower connecting rod (46) or the lower longitudinal rod (72) through an angle piece.

7. An overhang installation structure for a circular hole according to claim 6, wherein The outer aluminum single plate (14) comprises an aluminum single main plate (141) arranged on the outer periphery of the lower connecting rod (46) or the lower longitudinal rod (72), a reverse U-shaped piece (142) arranged at the center of the bottom of the aluminum single main plate (141), a plate pin piece (143) connected between the reverse U-shaped piece (142) and the aluminum single main plate (141), and a plate connecting piece (144) connected to the top of the reverse U-shaped piece (142). The aluminum single main plate (141) is arranged in two opposite L shapes, and the horizontal outer end is provided with a vertical flange. The two vertical flanges are arranged in parallel and are inserted into the opening of the reverse U-shaped piece (142). The middle part of the two vertical flanges and the middle part of the reverse U-shaped piece (142) correspond to the plate pin piece (143). The plate connecting piece (144) corresponds to the bottom of the lower connecting rod (46).

8. An overhang midspan hole mounting structure according to claim 7, wherein The top of the lower connecting rod (46) at the center of the lower circular ring rod (49) and the lower longitudinal rod (72) is connected with the upper glass assembly (10) through the glass butt joint assembly (15), and the upper glass assembly (10) is arranged at the connection.

9. An overhang hole mounting structure in an air corridor according to claim 8, wherein ​ The bottom of the glass butt joint base (151) is fixedly connected with the inverted U-shaped bent steel connecting piece (16), and the bent steel connecting piece (16) is welded with the lower connecting rod (46) at the center of the ring lower longitudinal rod (72) or the lower circular ring rod (49); The two side plates of the glass butt joint base (151) are connected with the aluminum single main plate (141) through screws through right-angle angle pieces; Or the two side plates of the glass butt joint base (151) are respectively connected with the glass butt joint connecting piece (154) through screws, the glass butt joint connecting piece (154) is connected with the corresponding aluminum single main plate (141) through screws through right-angle angle pieces, and the glass butt joint connecting piece (154) comprises a vertical plate corresponding to the side plate of the glass butt joint base (151) and a rectangular frame integrally made with the vertical plate and corresponding to the top connection of the aluminum single main plate (141).

10. The construction method of a mid-air gallery hole mounting structure according to claim 9, wherein The specific steps are as follows: Step one, after the construction of the tower (1) is completed, the pre-connecting piece (2) is installed on the tower (1), and the lifting device (5) is installed at the top of the pre-connecting piece (2); Step two, set up an assembly jig on the ground or on the roof of the podium, assemble the corridor unit (4) on the jig, lift the corridor unit (4) through the lifting device (5), connect it with the pre-connecting piece (2) after reaching the specified position, and then carry out the construction of the inlay unit (3) after the connection is stable; Step three, first erect a steel wire rope above the circular hole and fix it on the installed structure as a lifeline for workers to hang a five-point safety belt when working; Then use the steel wire rope to weave a net and install it at the bottom of the corridor circular hole, and then lay a layer of safety net on the steel wire rope net, and finally lay a layer of fireproof cloth as protection for the bottom of the circular hole; Step four, a simple gantry is erected on the floor of the tower (1) where the corridor unit (4) is located; the simple gantry is erected on the upper part of the disc, and four directional wheels are installed at the bottom of the simple gantry for moving to different installation positions; Step five, workers use a hanging cage to carry out construction, first install the ring longitudinal rod (7) and the ring transverse rod (8), and then install the ring aluminum single plate (6) correspondingly, install the aluminum plates piece by piece and complete the gluing; Step six, first install the lower glass assembly (11) and then install the upper glass assembly (10), first install the adapter joints of the double adapter (12) and the single adapter (13) on the lower glass assembly (11) in advance, then use the simple gantry crane to lift the lower glass assembly (11) from both ends, move it to the corresponding installation position through the track, then install the lower glass assembly (11), fix it in the corresponding position through the hanging cage, and connect the adapter joints in the lower glass assembly (11) with the adapter claws connected to the rod in advance, Step seven, after the installation of the lower glass assembly (11) is completed, the outer aluminum panel (14) is installed using a cage, and then the upper glass assembly (10) is installed; the upper glass assembly (10) is moved to the corresponding position for installation using a simple gantry crane, and the upper glass assembly (10) is installed using a temporary wooden jump board laid on the completed ring upper longitudinal rod (71) and ring upper transverse rod (81) as a simple man platform for installing the upper glass assembly (10); then the upper glass assembly (10) is installed through the glass butt joint assembly (15) and the bent steel connecting piece (16), thereby completing the construction of the circular hole installation structure of the air corridor.

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