Construction methods of composite stations and composite subway stations

Abstract

This application provides a construction method for a composite station and a composite subway station. The construction method includes: pouring concrete to form a station base slab; forming a bottom longitudinal beam; installing running tracks on the station area base slab on both sides of the bottom longitudinal beam; installing a first central column; installing a first assembly trolley and a second assembly trolley in two station areas; hoisting side wall blocks onto the two trolleys, each carrying the side wall blocks along the running tracks, and installing the side wall blocks on both sides of the station; after at least three side wall blocks are assembled on at least one side, one of the trolleys installs a second central column; one of the trolleys installs a longitudinal beam between the tops of two adjacent central columns; each of the two trolleys sequentially installs at least three top plates between the assembled side wall blocks and the longitudinal beam; repeating the above steps to install the central column, side wall blocks, longitudinal beams, and top plates. The construction method for the composite station provided in this application utilizes two trolleys to assemble the composite station, which can improve construction efficiency.

Description

Technical Field

[0001] This application relates to construction technology for underground stations in rail transit, and more particularly to a construction method for a composite station and a composite subway station. Background Technology

[0002] The construction of subway stations is an important part of subway lines. The traditional method of all-concrete cast-in-place construction can no longer meet the requirements of efficient construction. There is an urgent need for a technical solution that can achieve rapid, efficient and high-quality completion of composite subway station construction.

[0003] In addition, for open-cut construction, gantry cranes can be used to lift and transport components, or assembly trolleys can be used for assembly. However, in some complex environments, existing trolleys cannot directly assemble side walls, resulting in low efficiency. Furthermore, in stations with steel walers or concrete joists, existing trolleys are incapable of assembling the side walls.

[0004] In some cases where it is necessary to lay steel temporary beams above without affecting ground traffic, gantry cranes cannot be used for hoisting, which brings great inconvenience to the construction of subway stations. Summary of the Invention

[0005] To address one of the aforementioned technical deficiencies, this application provides a construction method for a composite station and a composite subway station.

[0006] According to a first aspect of the embodiments of this application, a construction method for a composite railway station is provided, comprising:

[0007] The station's base slab is formed by pouring concrete.

[0008] A bottom longitudinal beam is poured in the middle of the station floor slab to form a longitudinally extending bottom beam, which divides the station floor slab into two station areas.

[0009] Running tracks are installed on the station floor slabs of the two station areas respectively, and the running tracks extend longitudinally;

[0010] The first central column is installed at the beginning of the longitudinal direction of the station, and the central column is fixed to the bottom longitudinal beam by grouting.

[0011] The first and second assembly trolleys were installed and tested on the running tracks in the two station areas respectively.

[0012] The side wall blocks are hoisted onto the first assembly trolley and the second assembly trolley respectively. The first assembly trolley and the second assembly trolley each carry the side wall blocks along the running track to the installation position, and the side wall blocks are installed on both sides of the station accordingly.

[0013] After at least three side wall blocks are assembled on at least one side, the first or second assembly trolley installs the second central column in place and fixes it to the bottom longitudinal beam with grout.

[0014] The first or second assembly trolley has a longitudinal beam installed between the tops of two adjacent central columns;

[0015] The first and second assembly trolleys each install at least three top plates sequentially between the assembled side wall blocks and the longitudinal beams;

[0016] Repeat the above steps to install the central column, side wall blocks, longitudinal beams and top plate using the first assembly trolley and the second assembly trolley.

[0017] As described above, the specific steps during the installation of the second central column and longitudinal beam by the first and second assembly trolleys are as follows:

[0018] The first assembly trolley is used to install the central column, and the second assembly trolley is used to install the longitudinal beams.

[0019] The construction method described above also includes:

[0020] After the roof slab is installed, the upper running tracks are installed on the upper surface of the roof slabs of the two station areas respectively, and the running tracks extend longitudinally along the station.

[0021] Install and debug the first and second assembly trolleys on the running track;

[0022] Install the first central column of the upper layer above the bottom longitudinal beam;

[0023] The side wall blocks are hoisted onto the first assembly trolley and the second assembly trolley respectively. The first assembly trolley and the second assembly trolley each carry the side wall blocks along the running track to the installation position, and the side wall blocks are installed on both sides of the upper level of the station.

[0024] After at least three side wall blocks are assembled on at least one side, the first or second assembly trolley installs the second central column into place.

[0025] The first or second assembly trolley installs longitudinal beams between the tops of the central columns of two adjacent upper layers;

[0026] The first and second assembly trolleys each install at least three top plates sequentially between the already assembled upper side wall blocks and longitudinal beams;

[0027] Repeat the above steps to install the upper-level central column, side wall blocks, longitudinal beams and top plate using the first and second assembly trolleys.

[0028] As described above, after the last side wall panel is installed in both station areas, the first and second assembly trolleys are dismantled and lifted out at the longitudinal end of the station. The last top panel in each station area is then transported to the installation position and installed using a gantry crane.

[0029] As described above, when a gantry crane can be used above the construction area, the central column, top slab, and longitudinal beams are all transported by the gantry crane. The first assembly trolley and the second assembly trolley can respectively assist in assembling one of the central column, top slab, and longitudinal beams.

[0030] As described above, when a steel temporary beam is installed above the construction area, the central column, top plate, and longitudinal beam are hoisted to the first and second assembly trolleys at the longitudinal ends of the station using a gantry crane. The first and second assembly trolleys then carry the central column, top plate, and longitudinal beam to their respective installation positions along the running track for assembly.

[0031] As described above, in the construction method, both the first assembly trolley and the second assembly trolley include a wheel-rail running device, a frame, and a side wall mounting device; the wheel-rail running device is located at the bottom of the frame, and the side wall mounting device is located on the frame;

[0032] The first or second assembly trolley transports the side wall blocks along the running track to the installation position, and installs the side wall blocks on both sides of the station accordingly, including:

[0033] The assembly trolley travels along the track via a wheel-rail traveling device to transport the side wall blocks to the installation position;

[0034] The side wall blocks are installed on both sides of the station using a side wall mounting device.

[0035] As described above, the sidewall mounting device includes: a sidewall support mechanism disposed at the lower part of the vehicle frame, a sidewall mounting mechanism disposed at the top of the vehicle frame, and a sidewall fine-tuning mechanism disposed at the lower part of the vehicle frame.

[0036] The sidewall blocks are installed using a sidewall mounting device, including:

[0037] The side wall blocks are supported from the bottom by a side wall support mechanism;

[0038] The side wall blocks are moved by applying a pushing force through the side wall installation mechanism to achieve assembly;

[0039] The pitch angle of the side wall block is finely adjusted by applying force to the lower part of the side wall block through the side wall fine adjustment mechanism.

[0040] As described above, the sidewall mounting device also includes a sidewall clamping mechanism located in the middle of the vehicle frame.

[0041] The installation of the sidewall blocks using the sidewall mounting device also includes:

[0042] The side wall clamping mechanism extends from both sides of the side wall block to the side of the side wall block away from the trolley and applies clamping force to the side wall block.

[0043] As described above, the side wall clamping mechanism includes: at least one pair of clamps and a clamp driver; the two clamps in the pair are spaced apart longitudinally, with a space between them to accommodate the side wall block; the inner side of the clamp is provided with a groove for the side wall block to be inserted; one end of the clamp driver is connected to one clamp, and the other end is fixed to the frame.

[0044] Applying a clamping force to the side wall block through the side wall clamping mechanism includes: the clamping claw driver drives two separate clamping claws to extend from both sides of the side wall block to the side of the side wall block away from the trolley, and brings the two clamping claws close to each other to apply a clamping force to the side wall block.

[0045] As described above, in the construction method, the first or second assembly trolley includes a wheel-rail running device, a frame, and a longitudinal beam installation device; the longitudinal beam installation device includes a moving platform and a hoisting frame.

[0046] The first or second assembly trolley transports the longitudinal beam to the corresponding installation position along the travel track and assembles it, including:

[0047] The longitudinal beam is fixed by the connecting part set at the outer end of the hoisting frame;

[0048] The longitudinal beam is transported to the installation position by traveling along the track using a wheel-rail traveling device.

[0049] The longitudinal beams are assembled by moving the mobile platform laterally.

[0050] As described above, the mobile platform includes two mobile platforms that are parallel and side-by-side, extending laterally; and a space is left between the two mobile platforms to accommodate the central column of the station.

[0051] The first or second assembly trolley transports the central column along the travel track to the corresponding installation position and assembles it, including:

[0052] The central column is fixed by moving the platform.

[0053] The central column is transported to the installation location for assembly by a wheel-rail traveling device that travels along the track.

[0054] The installation method for the central column, as described above, is as follows:

[0055] The central column is transported to the installation position and assembled using a central column mounting frame; the central column mounting frame is equipped with wheels at the bottom.

[0056] As described above, in the construction method, the first or second assembly trolley includes a wheel-rail traveling device, a frame, and a top plate mounting device; the top plate mounting device includes a top plate support frame and a top plate lifting drive mechanism.

[0057] The first or second assembly trolley transports the top plate along the travel track to the corresponding installation position and assembles it, including:

[0058] The top is supported by a top plate support frame;

[0059] The wheel-rail traveling device moves along the running track to carry the top plate to the installation position for assembly.

[0060] As described above, the top plate installation device also includes: extrusion fixtures and extrusion drive components;

[0061] The first or second assembly trolley transports the top plate along the travel track to the corresponding installation position and assembles it. This also includes:

[0062] A longitudinal driving force is applied to the extrusion fixture by an extrusion drive component, so that the extrusion fixture applies a longitudinal extrusion force to the top plate.

[0063] The construction method described above also includes, before pouring the concrete to form the station floor slab: constructing diaphragm walls around the perimeter of the construction area;

[0064] After completing the splicing of at least one side wall block, the process also includes: using connectors to connect the top of the side wall block to the top of the diaphragm wall;

[0065] After all the side wall blocks are assembled, the process also includes pouring concrete between the side wall blocks and the diaphragm wall.

[0066] According to a second aspect of the embodiments of this application, a composite subway station is provided, which is constructed using the construction method described above.

[0067] The technical solution provided in this application involves casting a station floor slab; casting a longitudinally extending bottom beam in the middle of the station floor slab, which divides the station floor slab into two station areas; installing running tracks on the station floor slabs of the two station areas, with the running tracks extending longitudinally; installing a first central column at the beginning of the longitudinal direction of the station, which is fixed to the bottom longitudinal beam by grouting; installing and debugging a first assembly trolley and a second assembly trolley on the running tracks of the two station areas; hoisting side wall blocks onto the first and second assembly trolleys respectively, with each of the first and second assembly trolleys transporting the side wall blocks along the running tracks to the installation position. The side wall blocks are installed on both sides of the station. After at least three side wall blocks are assembled on at least one side, the first or second assembly trolley installs the second central column and fixes it to the bottom longitudinal beam with grout. The first or second assembly trolley installs the longitudinal beam between the tops of two adjacent central columns. The first and second assembly trolleys each install at least three top plates between the assembled side wall blocks and the longitudinal beams. The above steps are repeated to install the central column, side wall blocks, longitudinal beams and top plates using the first and second assembly trolleys. This allows for the assembly of the composite station using two assembly trolleys with high assembly efficiency. Attached Figure Description

[0068] Figure 1 This is a structural schematic diagram of a double-decker station provided in an embodiment of this application;

[0069] Figure 2 This is a structural schematic diagram of a three-story station provided in an embodiment of this application;

[0070] Figure 3 A schematic diagram of the assembly trolley assembling the platform according to an embodiment of this application;

[0071] Figure 4 A flowchart illustrating the construction method of the composite station provided in the embodiments of this application;

[0072] Figure 5 This is a schematic diagram of the structure for installing the sidewall in the construction method provided in the embodiments of this application;

[0073] Figure 6 This is a structural diagram illustrating the installation of the central column in the construction method provided in the embodiments of this application;

[0074] Figure 7 This is a schematic diagram of the structure for installing the longitudinal beam in the construction method provided in the embodiments of this application;

[0075] Figure 8 This is a structural schematic diagram of the installation of the top plate in the construction method provided in the embodiments of this application;

[0076] Figure 9This is a schematic diagram of the structure for installing the upper sidewall block in the construction method provided in the embodiments of this application;

[0077] Figure 10 This is a structural diagram illustrating the installation of the upper middle column and top longitudinal beam in the construction method provided in the embodiments of this application;

[0078] Figure 11 A structural schematic diagram of the installation of the upper side wall block of a three-story station in the construction method provided in the embodiments of this application;

[0079] Figure 12 A structural schematic diagram of the upper-level central column and longitudinal beam of a three-story station in the construction method provided in this application embodiment;

[0080] Figure 13 A structural schematic diagram illustrating the construction method provided in this application for installing the upper roof slab of a three-story station;

[0081] Figure 14 This is a structural schematic diagram of the assembly trolley provided in an embodiment of this application;

[0082] Figure 15 This is a schematic diagram of the assembly trolley provided in an embodiment of this application from another angle;

[0083] Figure 16 A side view of the assembly trolley provided in an embodiment of this application;

[0084] Figure 17 This is a schematic diagram of the lower structure of the side wall mounting device in the assembly trolley provided in the embodiments of this application;

[0085] Figure 18 A schematic diagram of the upper structure of the side wall mounting device in the assembly trolley provided in this application embodiment;

[0086] Figure 19 A schematic diagram of the structure for assembling side wall blocks using an assembly trolley provided in this embodiment of the application;

[0087] Figure 20 Another structural diagram showing the assembly of the side wall blocks carried by the assembly trolley provided in this embodiment of the application;

[0088] Figure 21 A side view of the assembly trolley carrying the side wall blocks for assembly, as provided in the embodiments of this application;

[0089] Figure 22 This is a structural schematic diagram of the sidewall block splicing position provided in an embodiment of this application;

[0090] Figure 23 A schematic diagram of the assembly trolley for assembling the side wall blocks provided in this embodiment of the application;

[0091] Figure 24 This is a structural schematic diagram of another assembly trolley provided in an embodiment of this application;

[0092] Figure 25 for Figure 24 A magnified view of a portion of the image;

[0093] Figure 26 This is a schematic diagram of the assembly of the longitudinal beams using an assembly trolley, as described in an embodiment of this application.

[0094] Figure 27 This is a schematic diagram of the structure of the assembly trolley carrying the top plate provided in the embodiments of this application;

[0095] Figure 28 This is a schematic diagram of the assembly trolley carrying the top plate from another angle, provided in an embodiment of this application.

[0096] Figure 29 A side view of the assembly trolley carrying the top plate provided in an embodiment of this application;

[0097] Figure 30 This is a partial structural schematic diagram of the assembly trolley provided in an embodiment of this application;

[0098] Figure 31 A schematic diagram of the splicing of the side wall blocks, top slab, and central beam provided in the embodiments of this application.

[0099] Figure 32 This is a schematic diagram of the structure of the central column mounting bracket provided in the embodiments of this application;

[0100] Figure 33 This is a partial schematic diagram of the central column mounting bracket provided in an embodiment of this application.

[0101] Figure label:

[0102] 10 - Assembly trolley; 20 - Assembly interface; 30 - Concrete waist beam;

[0103] 1-wheel-rail running device;

[0104] 2-Frame;

[0105] 3-Side wall mounting device; 31-Side wall support mechanism; 311-Side wall support beam; 32-Side wall mounting mechanism; 321-Side wall longitudinal sliding frame; 322-Side wall lifting frame; 3221-Lifting top plate; 3222-Lifting outrigger; 323-Side wall transverse sliding frame; 3231-Lifting slide beam; 3232-Transverse beam; 324-Transverse arm; 325-Longitudinal drive; 326-Vertical drive; 327-Transverse drive; 33-Side wall fine adjustment mechanism; 331-Fine adjustment connector; 332-Fine adjustment drive; 34-Side wall clamping mechanism; 341-Claw gripper; 342-Claw gripper drive; 35-Side wall mounting frame;

[0106] 4-Longitudinal beam installation device; 41-Mobile platform; 411-Mobile table; 412-Locking component; 413-Locking rod; 42-Lifting frame; 421-Lifting arm; 422-Auxiliary arm; 423-Connecting part; 43-Longitudinal beam support frame; 44-Vertical support column;

[0107] 5-Roof plate installation device; 51-Roof plate lifting frame; 52-Roof plate support frame; 521-Roof plate support beam; 53-Roof plate lifting drive mechanism; 54-Extrusion tooling;

[0108] 6-Center column mounting bracket; 61-Center column support; 62-Bearing platform; 63-Center column limiting assembly;

[0109] 91-Side wall block; 92-Central column; 93-Central top slab; 94-Top slab; 95-Central longitudinal beam; 96-Top longitudinal beam; 97-Bottom slab; 98-Bottom longitudinal beam. Detailed Implementation

[0110] This embodiment provides a construction method for composite stations, applicable to the assembly of composite subway stations using assembly trolleys, which can improve construction efficiency and shorten the construction cycle. The system can assemble single-level, double-level, three-level, or four-level stations, etc.

[0111] A composite subway station consists of side wall blocks, central columns, longitudinal beams, and a roof slab. The side wall blocks and central columns are distributed vertically on both sides of the station, the longitudinal beams are located between two adjacent central columns, and the roof slab is located between the side wall blocks and the longitudinal beams.

[0112] For stations with two or more levels, the roof slab is divided into the middle roof slab located on the lower level and the roof slab located on the upper level; the longitudinal beams are divided into the middle longitudinal beams located on the lower level and the top longitudinal beams located on the upper level.

[0113] Figure 1The diagram shows a double-level station. The composite subway station includes: side wall blocks 91, central columns 92, central roof slab 93, roof slab 94, central longitudinal beams 95, top longitudinal beams 96, and a base slab 97. During construction, the base slab 97, forming the platform, and the bottom longitudinal beam 98 located in the middle of the base slab 97 are poured first. The longitudinal direction is the length of the platform and also the direction of train travel. Along the longitudinal direction, multiple side wall blocks 91 are sequentially assembled to form side walls, multiple central columns 92 are spaced apart, and multiple central longitudinal beams 95 are sequentially assembled, with each beam overlapping an adjacent central column 92. The central roof slab 93 overlaps laterally between the side wall blocks 91 and the central longitudinal beams 95, and multiple roof slabs 93 are sequentially assembled longitudinally. The aforementioned side wall blocks 91, central columns 92, central longitudinal beams 95, and central roof slab 93 constitute the lower structure of the station. After the lower structure is completed, the upper structure of the station is constructed.

[0114] In the upper structure of the station, upper-level central columns 92 are set longitudinally at intervals above the central longitudinal beam 95, and then top longitudinal beams 96 are set between adjacent upper-level central columns 92. Upper-level side wall blocks 91 are arranged sequentially on top of lower-level side wall blocks 91, and top plates 94 are set between the upper-level side wall blocks 91 and the top longitudinal beams 96. The top plates 94 are spliced ​​together longitudinally.

[0115] Figure 2 This shows a three-level station. Similar to a double-decker station, the station is divided into a top-level structure, a middle-level structure, and a bottom-level structure. The bottom-level structure is the same as the lower-level structure in a double-decker station, while the middle-level and top-level structures refer to the upper-level structures in a double-decker station.

[0116] like Figure 3 As shown, the assembly trolley 10 is used to construct the lower structure. After the construction is completed or after certain conditions are met, the assembly trolley 10 is used to construct the upper structure.

[0117] like Figure 4 As shown, for the aforementioned composite station, the construction method provided in this embodiment includes:

[0118] Step 101: Pour the concrete to form the station base slab.

[0119] Step 102: Cast a bottom longitudinal beam in the middle of the station floor slab to form a longitudinally extending bottom beam, which divides the station floor slab into two station areas.

[0120] In practice, when the length of the cast-in-place base slab exceeds ten rings, the bottom longitudinal beams can be installed on the base slab. The longitudinal direction of the station is the extension direction of the running track.

[0121] Step 103: Install running tracks on the station floor of each of the two station areas, with the running tracks extending longitudinally.

[0122] Running tracks can be installed in both station areas.

[0123] Step 104: Install the first central column at the beginning of the longitudinal direction of the station. The central column is fixed to the bottom longitudinal beam by grouting.

[0124] If there is no steel temporary beam above the construction area, the first central column can be lifted by a gantry crane to the installation position of the station floor slab.

[0125] In this embodiment, the central column is specifically installed on the bottom longitudinal beam and fixed to the bottom longitudinal beam by grouting.

[0126] Step 105: Install and debug the first and second assembly trolleys on the running tracks of the two station areas respectively.

[0127] During the grouting and fixing of the central column, the assembly trolley is installed and tested on the running track.

[0128] The first and second assembly trolleys can work in parallel or sequentially. Both the first and second assembly trolleys are equipped with wheels at their bottoms, mounted on corresponding tracks, allowing them to move longitudinally along the tracks.

[0129] Step 106: Hoist the side wall blocks onto the first assembly trolley and the second assembly trolley respectively. The first assembly trolley and the second assembly trolley each carry the side wall blocks along the running track to the installation position, and install the side wall blocks on both sides of the station.

[0130] If there are no steel beams at the top of the construction area, the side wall blocks can be lifted by a gantry crane onto the corresponding assembly trolley, and then the assembly trolley can be used to carry the side wall blocks to the installation position for installation.

[0131] With a steel temporary beam at the top of the construction area, an open-air opening is provided at one end of the construction area. The side wall blocks are lifted onto the assembly trolley through the open-air opening, and then the assembly trolley carries the side wall blocks to the installation position for installation.

[0132] In this step, the first and second assembly trolleys can successively lift the side wall blocks using a gantry crane, and then transport and assemble them by self-propelled means. Figure 5 The diagram shows the structure of the first assembly trolley on the left and the second assembly trolley on the right, with the side wall blocks 91 installed respectively.

[0133] Step 107: After assembling at least three side wall blocks on at least one side, install the second central column into place on the first or second assembly trolley and fix it to the bottom longitudinal beam with grout.

[0134] Each assembly trolley sequentially assembles the side wall blocks along the longitudinal direction. After assembling at least three side wall blocks, the second central column is installed in place.

[0135] Alternatively, the number can be adjusted based on the width of the side wall blocks or the spacing between adjacent central columns. For example, after assembling at least six side wall blocks, the second central column can be installed. The second central column is also installed on the station floor slab and secured with grout.

[0136] When there is no steel beam at the top of the construction area, the central column can be lifted and installed using a gantry crane.

[0137] When a steel beam is installed at the top of the construction area, the central column can be transported and assembled by the first or second assembly trolley, or by an additional central column mounting bracket.

[0138] Figure 5 It also showed the first assembly trolley carrying the central longitudinal beam 95, and the second assembly trolley carrying the central column 92. Figure 6 The second assembly trolley was demonstrated installing the central column 92. Figure 6 The first assembly trolley is assembling the left side wall block 91.

[0139] Step 108: The first or second assembly trolley installs the longitudinal beam between the tops of two adjacent central columns.

[0140] After installing the two center columns, a longitudinal beam is installed between the tops of the two adjacent center columns. For the lower-level station, a central longitudinal beam is installed between the two center columns.

[0141] If there is a steel temporary beam at the top of the construction area, the longitudinal beam can be transported to the installation position and spliced ​​onto two adjacent central columns by the first or second assembly trolley.

[0142] Figure 7 A schematic diagram showing the installation of the longitudinal beam 95 on the first assembly trolley located on the left is displayed.

[0143] Step 109: The first assembly trolley and the second assembly trolley each install at least three top plates between the assembled side wall blocks and the longitudinal beams.

[0144] After the side wall blocks and longitudinal beams are assembled in the corresponding positions, the top plate is installed between the side wall blocks and the longitudinal beams. The top plate extends laterally and overlaps the top of the side wall blocks and the longitudinal beams.

[0145] In this embodiment, the number of side wall blocks can be determined based on the width of the top plate and the length of the longitudinal beam. Alternatively, in this embodiment, at least six top plates can be installed sequentially between the assembled side wall blocks and the longitudinal beam, and then the side wall blocks can be installed.

[0146] Figure 8 The diagram shows the structure of the first and second assembly trolleys with the top plate 93 installed respectively.

[0147] Step 110: Repeat the above steps to install the central column, side wall blocks, longitudinal beams and top plate using the first assembly trolley and the second assembly trolley.

[0148] Based on the above, after installing six side wall blocks consecutively, install one central column and longitudinal beam, and then install six roof slabs.

[0149] The technical solution provided in this embodiment involves casting a station floor slab; casting a longitudinally extending bottom beam in the middle of the station floor slab, which divides the station floor slab into two station areas; installing running tracks on the station floor slabs of the two station areas, with the running tracks extending longitudinally; installing a first central column at the beginning of the longitudinal direction of the station, which is fixed to the bottom longitudinal beam by grouting; installing and debugging a first assembly trolley and a second assembly trolley on the running tracks of the two station areas; hoisting side wall blocks onto the first and second assembly trolleys respectively, with each of the first and second assembly trolleys transporting the side wall blocks along the running tracks to the installation position. The side wall blocks are installed on both sides of the station. After at least three side wall blocks are assembled on at least one side, the first or second assembly trolley installs the second central column in place and fixes it with the bottom longitudinal beam by grouting. The first or second assembly trolley installs the longitudinal beam between the tops of two adjacent central columns. The first and second assembly trolleys each install at least three top plates between the assembled side wall blocks and the longitudinal beams. The above steps are repeated to install the central column, side wall blocks, longitudinal beams and top plates using the first and second assembly trolleys. This allows for the assembly of the composite station using two assembly trolleys with high assembly efficiency.

[0150] During the installation of the second central column and longitudinal beam by the first and second assembly trolleys, one of the assembly trolleys can transport and assemble the central column and longitudinal beam. Alternatively, the first assembly trolley can install the central column, while the second assembly trolley installs the longitudinal beam. Specifically, while the first assembly trolley is installing the central column, the second assembly trolley goes to the open opening to receive the longitudinal beam, then transports it to its position and attaches it to the two adjacent central columns. The cooperation between the two assembly trolleys significantly improves construction efficiency.

[0151] For stations with two or more levels, after completing the construction of the lower level according to the above steps, the following scheme should be adopted for construction upwards sequentially:

[0152] After the roof slab is installed, the upper running tracks are installed on the upper surface of the roof slabs in both station areas, with the running tracks extending longitudinally along the station.

[0153] The first and second assembly trolleys of the upper layer are installed and debugged on the running track.

[0154] Install the first central column of the upper level above the bottom longitudinal beam. Similarly, install the first central column at the beginning of the longitudinal direction of the station.

[0155] The side wall blocks are hoisted onto the first and second assembly trolleys respectively. The first and second assembly trolleys then carry the side wall blocks along their respective tracks to the installation positions, where the side wall blocks are installed on both sides of the upper level of the station.

[0156] Figure 9 The diagram shows the structure of the first and second assembly trolleys, where the upper side wall blocks 91 are installed respectively. Figure 9 The first assembly trolley carries the top longitudinal beam 96, and the second assembly trolley carries the middle column 92.

[0157] After at least three side wall blocks have been assembled on at least one side, the first or second assembly trolley installs the second central column into place, such as... Figure 10 As shown.

[0158] The first or second assembly trolley installs the longitudinal beam between the tops of the central columns of two adjacent upper layers. See details. Figure 10 In the middle, the top longitudinal beam of the first assembly trolley was installed in place.

[0159] The first and second assembly trolleys each install at least three top plates sequentially between the already assembled upper-level side wall blocks and longitudinal beams.

[0160] Repeat the above steps to install the upper-level central column, side wall blocks, longitudinal beams and top plate using the first and second assembly trolleys.

[0161] The above scheme allows for the construction of stations with two or more levels.

[0162] Figure 11 The upper side wall block 91 of the three-level station was shown. Figure 12 The upper central column 92 and top longitudinal beam 96 of the three-level station are shown. Figure 13 The roof slab 94 of the three-story station is shown.

[0163] Based on the above technical solution, after the last side wall panel is installed in both station areas, the first and second assembly trolleys are dismantled and lifted out at the longitudinal end of the station. The last top panel in each station area is then transported to the installation position and installed using a gantry crane.

[0164] When a gantry crane can be used above the construction area, the central column, top slab, and longitudinal beams are all transported by the gantry crane. The first assembly trolley and the second assembly trolley can respectively assist in the transport and assembly of at least one of the central column, top slab, and longitudinal beams.

[0165] When a steel temporary beam is installed above the construction area, the central column, top plate, and longitudinal beam are hoisted to the first and second assembly trolleys at the longitudinal ends of the station using a gantry crane. The first and second assembly trolleys then carry the central column, top plate, and longitudinal beam to their respective installation positions along the running track for assembly.

[0166] The first and second assembly trolleys mentioned above can adopt the same structure, that is, both include a frame, a wheel-rail running device, a side wall mounting device, a longitudinal beam mounting device, and a top plate mounting device.

[0167] Alternatively, the first and second assembly trolleys can use the same frame, wheel-rail running gear, side wall mounting device, and roof mounting device to install the side wall blocks and roof panels within their respective station areas. One of the assembly trolleys is equipped with a longitudinal beam mounting device for installing the longitudinal beams and central columns.

[0168] Alternatively, a different center column mounting device can be used to install the center column.

[0169] Based on the above technical solution, this embodiment provides an assembly trolley, and implements the above steps based on the assembly trolley. Figures 14 to 21 As shown, the station assembly trolley provided in this embodiment includes: a wheel-rail running device 1, a frame 2, and a side wall mounting device 3.

[0170] After the base plate 97 is formed, temporary tracks are laid on both sides of the bottom longitudinal beam 98 on the base plate 97, with the tracks extending longitudinally. The wheel-rail traveling device 1 is located at the bottom of the frame 2 and can travel along the tracks on the base plate 97, allowing the trolley to move longitudinally and be assembled step by step. The frame 2 is located above the wheel-rail traveling device 1 and serves as the main frame structure of the trolley. All components of the trolley are mounted on the frame 2.

[0171] The side wall mounting device 3 is mounted on the frame 2. A gantry crane lifts the side wall block 91 onto the side wall mounting device 3, which then fixes the side wall block 91 and moves it to the designated mounting position for assembly. During construction, the trolley travels longitudinally, assembling each side wall block 91 sequentially.

[0172] In the above steps, the first or second assembly trolley carries the side wall blocks to the installation position along the running track and installs the side wall blocks on both sides of the station accordingly. This includes: the assembly trolley travels along the running track via a wheel-rail traveling device to carry the side wall blocks to the installation position; and the side wall blocks are installed on both sides of the station accordingly via a side wall installation device.

[0173] The side wall mounting device 3 includes a side wall support mechanism 31, a side wall mounting mechanism 32, and a side wall fine-tuning mechanism 33. The side wall support mechanism 31 is located at the lower part of the frame 2 and extends to one side of the frame 2, specifically towards the direction where the side wall will be assembled. A gantry crane lifts the side wall block 91 onto the side wall support mechanism 31, which supports the side wall block 91 from the bottom.

[0174] The side wall mounting mechanism 32 is located on the top of the frame 2. When the gantry crane lifts the side wall block 91 onto the side wall support mechanism 31, the side wall mounting mechanism 32 is connected to the side wall block 91. The side wall mounting mechanism 32 is used to apply a pushing force to the side wall block 91 to move the side wall block 91 and achieve assembly.

[0175] The side wall fine adjustment mechanism 33 is located at the lower part of the frame 2 and is used to apply force to the lower part of the side wall block 91 to finely adjust the pitch angle of the side wall block 91.

[0176] The above steps involve installing the side wall block using a side wall mounting device, including: supporting the side wall block from the bottom using a side wall support mechanism; applying a pushing force to the side wall block using the side wall mounting mechanism to move the side wall block and achieve assembly; and applying a force to the lower part of the side wall block using a side wall fine-tuning mechanism to finely adjust the pitch angle of the side wall block.

[0177] The above solution uses a side wall support mechanism to support the side wall blocks, a side wall installation mechanism to apply a pushing force to the side wall blocks to move them and achieve assembly, and a side wall fine adjustment mechanism to finely adjust the pitch angle of the side wall blocks, which can ensure stable installation of the side wall blocks and improve accuracy, thereby improving the assembly quality.

[0178] Based on the above technical solution, the side wall mounting device 3 further includes a side wall clamping mechanism 34. The side wall clamping mechanism 34 is located in the middle of the frame 2, extends from both sides of the side wall block 91 to the side of the side wall block 91 away from the trolley, and applies clamping force to the side wall block 91 to prevent the side wall block 91 from tipping over during movement.

[0179] The above steps, which involve installing the side wall block using the side wall mounting device, also include: extending from both sides of the side wall block to the side of the side wall block away from the trolley using the side wall clamping mechanism, and applying a clamping force to the side wall block.

[0180] For the side wall clamping mechanism 34, this embodiment provides a specific example: such as Figure 17 As shown, the sidewall clamping mechanism includes: at least one pair of clamping claws 341 and at least one clamping claw driver 342, wherein one clamping claw driver 342 is connected to one clamping claw 341 and is used to drive the clamping claw 341 to move.

[0181] Specifically, one pair, two pairs, or three pairs of grippers 341 can be used. When one pair of grippers 341 is used, the grippers 341 are located in the middle of the side wall block 91; when two or three pairs of grippers 341 are used, they are arranged at vertical intervals. This embodiment only uses one pair of grippers 341 as an example for explanation.

[0182] Two grippers 341 in a pair are arranged longitudinally at intervals, with the same height and space between them to accommodate the side wall block 91. The inner side of the gripper 341 is provided with a groove for the side of the side wall block 91 to be inserted.

[0183] One end of the gripper actuator 342 is connected to a gripper 341, and the other end is fixed to the frame 2. The gripper actuator 342 is used to drive the gripper 341 to swing, so that the two grippers 341 move closer or further apart. When the two grippers 341 move closer together, they grip the side wall blocks 91 from both sides; when the two grippers 341 move further apart, they release the side wall blocks 91. The gripper actuator 342 can be a drive mechanism such as a cylinder, hydraulic cylinder, or motor.

[0184] Applying a clamping force to the side wall block through the side wall clamping mechanism includes: the clamping claw driver drives two separate clamping claws to extend from both sides of the side wall block to the side of the side wall block away from the trolley, and brings the two clamping claws close to each other to apply a clamping force to the side wall block.

[0185] This embodiment provides an implementation method: the side wall mounting device 3 is located on one side of the frame 2, specifically the side close to the side wall to be assembled. The side wall block 91 is lifted onto the side wall mounting device 3 by a gantry crane, and the side wall mounting mechanism 32 moves the side wall block 91 into position for assembly by moving it in the horizontal, longitudinal and vertical directions.

[0186] For the side wall support mechanism 31, this embodiment provides a specific example: the side wall support mechanism 31 includes at least two side wall support beams 311, which extend laterally. The at least two side wall support beams 311 are arranged longitudinally at intervals. The side wall block 91 is placed on each side wall support beam 311, and each side wall support beam 311 supports the side wall block 91.

[0187] The side wall support beam 311 can be a steel beam with a U-shaped cross section, an I-shaped steel beam, or a steel beam of other shapes.

[0188] Furthermore, the upper surface of the side wall support beam 311 is flat, and the upper surfaces of each side wall support beam 311 are at the same height to adapt to the bottom shape of the side wall block 91.

[0189] The above-described scheme, which uses at least two side wall support beams 311 spaced apart, leaves a gap between adjacent side wall support beams 311 to facilitate observation and operation. Of course, in addition to the above scheme, support plates can also be used to replace the aforementioned side wall support beams 311.

[0190] For the side wall fine-tuning mechanism 33, this embodiment provides an implementation method: the side wall fine-tuning mechanism 33 includes: a fine-tuning connector 331 and a fine-tuning driver 332. One end of the fine-tuning driver 332 is connected to the frame 2, and the other end is connected to the fine-tuning connector 331. The fine-tuning connector 331 is connected to the side wall block 91. The fine-tuning driver 332 is used to drive the fine-tuning connector 331 to move laterally, acting on the lower part of the side wall block 91, thereby achieving fine adjustment of the pitch angle of the side wall block 91 to meet the needs of side wall assembly.

[0191] The fine-tuning actuator 332 can be a pneumatic cylinder, a hydraulic cylinder, or other actuators. This embodiment uses a hydraulic cylinder as an example. The end of the fine-tuning connector 331 is fastened to the side wall block 91 by bolts. Two side wall fine-tuning mechanisms 33 are arranged at intervals. With the cooperation of the two side wall fine-tuning mechanisms 33, the side wall block 91 is finely adjusted forward and backward, and left and right, so that the H-beam at the bottom of the side wall block 91 aligns with the groove on the bottom plate. After alignment, the side wall block 91 is lowered and inserted into the groove.

[0192] Based on the above technical solution, the side wall mounting device 3 further includes a side wall mounting frame 35, which is disposed on one side of the frame 2. The side wall mounting frame 35 is a hollow structure, which is formed by connecting vertical beams, longitudinal beams and transverse beams to form a hollow frame structure.

[0193] The side wall fine-tuning mechanism 33 is located inside the side wall mounting bracket 35. The fine-tuning driver 332 in the side wall fine-tuning mechanism 33 can be fixed to the side wall mounting bracket 35 or to the frame 2. The side wall fine-tuning mechanism 33 extends laterally and can extend or retract from the inside of the side wall mounting bracket 35.

[0194] The side wall support mechanism 31 is located at the lower part of the side wall mounting bracket 35 and extends out of the side wall mounting bracket 35. One side surface of the side wall block 91 is attached to the side wall mounting bracket 35. The side wall clamping mechanism 34 is located above the side wall mounting bracket 35, and the gripper 341 extends out of the side wall mounting bracket 35 to clamp the side wall block 91.

[0195] Based on the above technical solutions, this embodiment provides an implementation method for the sidewall mounting mechanism 32: as follows Figure 18 As shown, the sidewall mounting mechanism includes: a sidewall longitudinal moving frame 321, a sidewall lifting frame 322, a sidewall transverse moving frame 323, a transverse moving arm 324, a longitudinal moving driver 325, a vertical moving driver 326, and a transverse moving driver 327.

[0196] The side wall longitudinal shifting frame 321 is mounted on the vehicle frame 2 and extends longitudinally. The side wall lifting frame 322 is slidably mounted on the side wall longitudinal shifting frame 321 and can move longitudinally relative to the side wall longitudinal shifting frame 321. The longitudinal drive 325 is mounted on the side wall longitudinal shifting frame and connected to the side wall lifting frame 322, providing longitudinal driving force to the side wall lifting frame 322.

[0197] The sidewall lateral movement frame 323 is slidably mounted on the sidewall lifting frame 322 and can move vertically relative to the sidewall lifting frame 322. The vertical drive 326 is mounted on the sidewall lifting frame 322 and connected to the sidewall lateral movement frame 323, providing vertical driving force to the sidewall lateral movement frame 323.

[0198] A transverse arm 324 is mounted on a side wall transverse frame 323 and can slide laterally relative to the side wall transverse frame 323. A transverse actuator 327 is mounted on the side wall transverse frame 323 and connected to the transverse arm 324, providing a transverse driving force to the transverse arm 324. The end of the transverse arm 324 is connected to the side wall block 91, and through the coordinated action of the above components, the side wall block 91 is moved longitudinally, laterally, and vertically.

[0199] The aforementioned side wall block 91 is placed on the side wall support mechanism 31, and the side wall clamping mechanism 34 clamps the side wall block 91. The trolley can move the side wall block 91 longitudinally for transport. After moving into position, the side wall clamping mechanism 34 releases the side wall block 91, and the side wall mounting mechanism 32 moves the side wall block 91 to the assembly position in the horizontal, longitudinal, and vertical directions for assembly. During this process, the position of the side wall block 91 can be finely adjusted by the side wall fine-tuning mechanism 33 so that the bottom end of the side wall block 91 is aligned with the assembly interface 20 (e.g., ...). Figure 22 ).

[0200] After the side wall block 91 is installed, an adjustment rod is installed on the top of the side wall block 91 to connect and fix it to the diaphragm wall. Concrete can then be poured between the side wall block 91 and the diaphragm wall.

[0201] Based on the above scheme, the side wall lifting frame 322 may specifically include a lifting top plate 3221 and lifting outriggers 3222 disposed at the bottom of the lifting top plate 3221. There are four lifting outriggers 3222, with two lifting outriggers forming a group. A gap is left between the two groups of lifting outriggers 3222 to accommodate the side wall longitudinal sliding frame 321. The two groups of lifting outriggers 3222 are arranged on both sides of the side wall longitudinal sliding frame 321. The gap between the lifting outriggers 3222 and the side wall longitudinal sliding frame 321 is only sufficient to allow for relative sliding between them. This scheme improves the stability of the side wall mounting mechanism 32 and prevents tipping.

[0202] The sidewall transverse sliding frame 323 may specifically include a lifting slide beam 3231 and a transverse sliding beam 3232. The lifting slide beam 3231 extends vertically and is retractably disposed within the internal space of a lifting outrigger 3222. The transverse sliding beam 3232 is connected to the top of each lifting slide beam 3231 and extends laterally. A transverse sliding arm 324 is retractably disposed within the internal space of the transverse sliding beam 3232.

[0203] For structures with steel walers or concrete waist beams on the side walls, the gantry crane cannot directly lift the side wall block 91 vertically onto the trolley due to the obstruction of the steel walers or concrete waist beams. To address this issue, this embodiment further optimizes the trolley, allowing the frame 2 to move laterally relative to the wheel-rail traveling device 1, thus supplementing the lateral travel of the side wall block 91.

[0204] Figure 23 The image shows two assembly trolleys assembling the side wall blocks on both sides of the platform. This embodiment uses the positions of these two trolleys to assemble the blocks in a case with a concrete lintel beam. Specifically, as shown... Figure 23 As shown, the frame 2 moves approximately 1.5m laterally away from the side wall, and the side wall block 91 is lifted downwards onto the trolley by a gantry crane (as shown). Figure 23 (The right-side trolley in the middle), during this process, the side wall block 91 can avoid the concrete waist beam 30. Specifically, the side wall block 91 is placed on the side wall support mechanism 31, and the side wall block 91 is held tightly by the side wall clamping mechanism 34. At this time, the height of the side wall block 91 is lower than the concrete waist beam 30, and the gantry crane is removed. Afterwards, the frame 2 moves laterally about 1.5m relative to the wheel-rail traveling device, close to the side wall (such as the right-side trolley). Figure 23 The right-hand trolley continues to move about 1 meter to the right, and then the side wall block 91 is assembled via the side wall installation mechanism 32, which solves the problem of the concrete waist beam obstructing the view. The left-hand trolley is in the assembled state of one side wall block.

[0205] If it is a steel waler, the frame can be moved 1m laterally so that the hoisting process of the side wall block 91 can avoid the steel waler.

[0206] Based on the above technical solutions, for schemes where there are steel temporary beams on the top of the construction area, the longitudinal beams, central columns, and top plates can be transported and assembled using an assembly trolley. This embodiment also optimizes the aforementioned assembly trolley:

[0207] The assembly trolley also includes a longitudinal beam installation device, which comprises a moving platform and a lifting frame. In the above steps, the first or second assembly trolley transports the longitudinal beam to the corresponding installation position along the travel track and assembles it, including: fixing the longitudinal beam via a connecting part provided at the outer end of the lifting frame; transporting the longitudinal beam to the installation position via a wheel-rail traveling device along the travel track; and assembling the longitudinal beam by moving the moving platform laterally.

[0208] like Figures 24 to 26 As shown, the mobile platform 41 is mounted on top of the chassis 2 and can move laterally relative to the chassis. A lifting frame 42 is positioned above the mobile platform 41, with space between the lifting frame 42 and the mobile platform 41 sufficient to accommodate the longitudinal beam. The outer end of the lifting frame 42 has at least two connecting parts for temporarily connecting the longitudinal beam. At the open-air opening, the gantry crane lifts the longitudinal beam (e.g., the middle longitudinal beam 95) and moves it to the area between the mobile platform 41 and the lifting frame 42. Then, the connecting parts on the lifting frame 42 are connected to the middle longitudinal beam 95, and the gantry crane is removed after the connection is complete. The trolley can transport the middle longitudinal beam 95 by traveling along the track using a wheel-rail traveling device.

[0209] When moving to the target position, the moving platform 41 extends laterally toward the longitudinal beam 95 to be assembled. After reaching the accurate position, the longitudinal beam 95 is lowered and overlapped between two adjacent central columns 92. The connection between the connecting part of the hoisting frame 42 and the longitudinal beam 95 is disassembled to complete the assembly of the longitudinal beam 95.

[0210] Based on the above technical solution, the longitudinal beam installation device 4 further includes a longitudinal beam support frame 43. The longitudinal beam support frame 43 is disposed above the mobile platform 41 and extends vertically, with a space for accommodating the longitudinal beam left between the top of the longitudinal beam support frame 43 and the connecting part on the hoisting frame 42.

[0211] Considering the long travel distance of the trolley, in order to reduce the risks during the hoisting process, the longitudinal beam can be placed on the longitudinal beam support frame 43, and the longitudinal beam can be supported by the longitudinal beam support frame 43.

[0212] The longitudinal beam support frame 43 can be formed by multiple rod-shaped mechanisms arranged and connected to each other along the vertical, transverse and longitudinal beams respectively, which can support the weight of the longitudinal beam and ensure the stability of the longitudinal beam during the movement of the trolley.

[0213] Furthermore, the lifting frame 42 can move laterally relative to the moving platform 41. When the lateral movement of the moving platform 41 is limited, the lifting frame 42 can be further moved laterally to increase the lateral movement of the longitudinal beam, thereby meeting the assembly requirements of the longitudinal beam.

[0214] The lifting frame 42 can also move vertically relative to the moving platform 41 to accommodate longitudinal beams of different thicknesses. For example, the vertical support column 44 is vertically mounted on the moving platform 41 or on the vehicle frame 2, and the lifting frame 42 is mounted at the top of the vertical support column 44. The lifting frame 42 can move up and down relative to the vertical support column 44.

[0215] For the lifting frame 42, this embodiment provides an implementation method: the lifting frame 42 includes a lifting arm 421 and two auxiliary arms 422. The two auxiliary arms 422 are parallel and side-by-side, extending laterally and spaced apart longitudinally. The lifting arm 421 is connected between the outer ends of the two auxiliary arms 422, and a connecting portion 423 for connecting the longitudinal beam is provided on the lifting arm 421. Specifically, the lifting arm 421 and the two auxiliary arms 422 are connected to form a rectangular frame with one open end, the open end being away from the position where the longitudinal beam to be assembled is to be placed. The lifting arm 421 is close to the position where the longitudinal beam to be assembled is to be placed.

[0216] Based on the above scheme, a sliding guide structure is provided between the top of the auxiliary arm 422 and the top of the moving platform 41, allowing the auxiliary arm 422 to move laterally relative to the moving platform 41 via the sliding guide structure. The sliding guide structure can be located at the top of the vertical support column 44 and can be a slider and a slide rail, or a slider and a slide groove. A hydraulic cylinder or other driving mechanism is used to provide lateral driving force to the auxiliary arm 422.

[0217] The connecting part 423 on the lifting frame 42 can be a lifting ring, with at least two lifting rings spaced apart along the length direction (i.e., longitudinal direction) of the lifting arm 421, sufficient to meet the lifting requirements of the longitudinal beam. The lifting rings can be connected to the longitudinal beam via ropes.

[0218] Alternatively, the connecting part 423 can also be a hook, which is hooked onto the lifting ring at the top of the longitudinal beam.

[0219] The above technical solution enables the hoisting of longitudinal beams. During construction, the central columns 92 in the middle of the station are assembled first, with multiple central columns 92 arranged longitudinally at intervals. Then, a trolley is used to transport the longitudinal beams 95 to the position between two adjacent central columns 92. The longitudinal beams 95 are lifted using a hoisting frame 42, moved laterally between and above the two central columns 92, and then lowered, overlapping between the two adjacent central columns 92. A longitudinal clamping force is then applied to the central columns 92 to longitudinally tighten the longitudinal beams 95, completing the longitudinal beam assembly.

[0220] Based on the above technical solution, the longitudinal beam installation device 4 can also be used to hoist, transport, and install the central column 92. Specifically, a lifting ring or other structure can be installed on the top of the central column 92 and connected to the connecting part on the hoisting frame 42 to realize the hoisting of the central column 92.

[0221] Furthermore, the mobile platform 41 is optimized to enable it to support and fix the central column 92. For example... Figure 19As shown, the mobile platform 41 includes two mobile platforms 411, which are arranged parallel to each other and extend laterally. A space is left between the two mobile platforms 411 to accommodate the central column 92. The central column 92 is placed between the two mobile platforms 411, and the mobile platforms 411 are used for temporary fixation and transport of the central column 92.

[0222] In the above steps, the first assembly trolley or the second assembly trolley carries the central column to the corresponding installation position along the running track and assembles it, including: fixing the central column by moving the platform; and carrying the central column to the installation position for assembly by traveling along the running track using a wheel-rail traveling device.

[0223] In the above steps, the assembly trolley carries the central column to the corresponding installation position along the travel track and assembles it, including: fixing the central column with a moving platform; and traveling along the travel track with a wheel-rail traveling device to carry the central column to the installation position for assembly.

[0224] One specific implementation is as follows: the cross-section of the middle section of the central column 92 and the cross-section of the top section of the central column 92 are both rectangular, and the length of the cross-section of the middle section of the central column 92 is less than the length of the cross-section of the top section. The distance between the two movable platforms 411 is less than the length of the cross-section of the top section of the central column 92, but greater than the length of the cross-section of the middle section of the central column 92. Thus, the middle section of the central column 92 enters through the gap between the two movable platforms 411 and is secured between them, preventing it from falling downwards. Therefore, the two movable platforms 411 effectively fix and support the central column 92.

[0225] Furthermore, a locking element 412 is provided at the outer end of the movable platform 411. A locking rod 413 with a length greater than the distance between the two movable platforms is used, and both ends of the locking rod 413 are detachably connected to the locking elements 412 on the two movable platforms 411 respectively. The locking rod 413 is used to prevent the central column 92 from moving outward, further improving the reliability during the transport process and preventing the central column 92 from coming out of the gap between the two movable platforms 411 and falling down.

[0226] Additionally, a central column support surface can be provided on the upper surface of the end corresponding to the longitudinal beam mounting device 4 in the wheel-rail traveling device 1, with the bottom end of the central column 92 abutting against the central column support surface. The central column support surface can be concave to position the central column 92 and improve its stability.

[0227] Based on the above technical solution, the assembly trolley is also equipped with a top plate installation device for carrying and assembling the top plate. The top plate installation device includes a top plate support frame and a top plate lifting drive mechanism. In the above steps, the first or second assembly trolley carries the top plate along the travel track to the corresponding installation position for assembly, including: supporting the top plate with the top plate support frame; and carrying the top plate to the installation position for assembly by traveling along the travel track using a wheel-rail traveling device.

[0228] like Figures 27 to 31 As shown, this embodiment also provides an implementation of the top plate installation device 5, including a top plate lifting frame 51, a top plate support frame 52, and a top plate lifting drive mechanism 53.

[0229] Among them, the top plate lifting frame 51 is set at the top of the vehicle frame 2. It can be made of multiple strip beams arranged and connected in the horizontal, longitudinal and vertical directions to form a hollow frame structure, and can be welded to the top of the vehicle frame 2.

[0230] The top plate support frame 52 is disposed at the top of the top plate lifting frame 51 and can move vertically relative to the top plate lifting frame 51. The top plate support frame 52 is used to support the top plate. The top plate mentioned below is taken as the middle top plate 93 as an example. Those skilled in the art can apply the technical solution provided in this embodiment to the assembly of the top plate 94.

[0231] The roof lifting drive mechanism 53 is located between the roof lifting frame 51 and the roof support frame 52, and is used to provide the driving force for vertical movement of the roof.

[0232] During construction, at the open-air opening at one end of the steel temporary beam, the central roof slab 93 is lifted by a gantry crane onto the roof slab support frame 52, which supports the central roof slab 93. Then, the trolley travels along the track to the installation position, and the height of the roof slab support frame 52 is adjusted by the roof slab lifting drive mechanism 53, so that the central roof slab 93 above the roof slab support frame 52 is higher than the side wall blocks 91 and the central longitudinal beam 95. The trolley then continues to travel towards the installed central roof slab 93 until it reaches the target position. The roof slab lifting drive mechanism 53 then lowers the roof slab support frame 52 and the central roof slab 93 until both ends of the central roof slab 93 overlap the side wall blocks 91 and the central longitudinal beam 95, completing the assembly of the central roof slab 93.

[0233] Based on the above technical solution, this embodiment provides an implementation method for a roof support frame 52: the roof support frame 52 includes two roof support beams 521, which are parallel and side-by-side, respectively located on both sides of the roof lifting frame 51. The distance between the two roof support beams 521 is less than the length of the roof. The roof is placed on the two roof support beams 521 in a direction perpendicular to the length of the roof and the roof support beams 521.

[0234] Furthermore, the roof lifting frame 51 can also move laterally relative to the frame 2. During the assembly process, the lateral movement of the roof lifting frame 51 can adjust the lateral position of the middle roof 93.

[0235] Furthermore, an extrusion fixture 54 is also installed on the upper surface of the middle part of the top plate support beam 521, and the extrusion fixture 54 can move relative to the top plate support beam 521. An extrusion drive is installed on the top plate support beam 521 and connected to the extrusion fixture 54 to apply longitudinal driving force to the extrusion fixture 54. During the transport process, the middle top plate 93 is placed on the extrusion fixture 54. During the assembly process, after the middle top plate 93 is overlapped on the side wall block 91 and the central longitudinal beam 95, the extrusion drive can be activated to drive the extrusion fixture 54 to apply longitudinal extrusion force to the middle top plate 93, so as to press the newly assembled middle top plate 93 tightly.

[0236] In the above steps, the first assembly trolley or the second assembly trolley carries the top plate to the corresponding installation position along the running track and assembles it. It also includes: applying a longitudinal driving force to the extrusion tooling through the extrusion drive component so that the extrusion tooling applies a longitudinal extrusion force to the top plate.

[0237] A sealing strip is embedded on the side of the top plate 93. When longitudinal pressure is applied to the top plate 93, the sealing strip is pressed tightly between adjacent top plates 93 to improve the waterproof effect.

[0238] Based on the above technical solution, this embodiment also provides another method for transporting and installing the central column: using the central column mounting frame 6 to transport and assemble the central column 92.

[0239] like Figure 32 and Figure 33 As shown, the bottom of the central column mounting bracket 6 is equipped with wheels, allowing it to travel on the station floor. The top of the central column mounting bracket 6 has an opening that can accommodate the middle part of the central column 92. The size of the opening is larger than the size of the middle part of the central column 92 but smaller than the size of the top of the central column 92.

[0240] At the open-air opening, a gantry crane lifts the central column 92 and guides it into the central column mounting frame 6. Due to the large top size of the central column 92, it can be secured to the central column mounting frame 6. The central column mounting frame 6 then supports the central column 92 and can move along the station floor to the installation position for installation.

[0241] One specific embodiment is as follows: the center column mounting frame 6 includes two detachably connected center column supports 61, each center column support 61 having wheels at its bottom, allowing each center column support 61 to move on the base plate. The center column support 61 is a steel frame structure, composed of multiple steel beams connected together. The tops of the two center column supports 61 are detachably connected, forming an opening.

[0242] During construction, at the open-air opening, a gantry crane lifts the central column 92 between two central column supports 61. The two supports 61 are then brought close together and connected to form an opening, with the central column supports 61 secured within it. The central column mounting frame 6 then moves along the base plate, with the two supports 61 positioned on either side of the bottom longitudinal beam to align the central column 92 with its installation position on the beam. Once the central column 92 is installed, the two supports 61 are separated and moved independently along the base plate, returning to the open-air opening to await the lifting of the next central column 92.

[0243] The design of using two center column supports 61 reduces the difficulty of inserting the center column into the opening of the center column mounting bracket 6, thereby improving efficiency. Furthermore, the detachable connection of the two center column supports 61 allows for the adaptation to center columns of different sizes, thus meeting the needs of different stations and improving applicability.

[0244] One specific implementation: the distance between the lower parts of the two central column supports 61 is greater than the width of the station bottom longitudinal beam, and the two central column supports 61 can be symmetrically located on both sides of the bottom longitudinal beam, so that the central column is exactly aligned with the installation position, shortening the time for aligning the central column during construction, thereby improving construction efficiency.

[0245] Furthermore, a support platform 62 is provided on the top of the central column bracket 61, and a space is left between the support platforms 62 of the two central column brackets 61 to accommodate the middle part of the central column. Two central column limiting components 63 are connected between the two support platforms 62, and the two central column limiting components 63 are spaced apart to form an opening with the two support platforms 62.

[0246] The central column limiting assembly 63 may include a connecting rod and a connector. A vertical connecting plate with an opening is provided on the bearing platform 62. The end of the connecting rod is provided with an external thread, and the end of the connecting rod passes through the opening in the connecting plate and is threadedly connected to the connector.

[0247] Based on the above technical solution, before pouring the station base slab, the following is also included: constructing diaphragm walls around the construction area.

[0248] After at least one side wall block is assembled, the process also includes: using connectors to connect the top of the side wall block to the top of the diaphragm wall.

[0249] After all the side wall blocks are assembled, the process also includes pouring concrete between the side wall blocks and the diaphragm wall to firmly connect the side wall blocks and the diaphragm wall into one unit.

[0250] Based on the above technical solutions, this embodiment also provides a composite subway station, constructed using any of the construction methods described above. The composite subway station provided in this embodiment has the same technical effects as the construction methods described above.

Claims

1. A construction method for a composite station, characterized in that, include: The station's base slab is formed by pouring concrete. A bottom longitudinal beam is poured in the middle of the station floor slab to form a longitudinally extending bottom beam, which divides the station floor slab into two station areas. Running tracks are installed on the station floor slabs of the two station areas respectively, and the running tracks extend longitudinally; The first central column is installed at the beginning of the longitudinal direction of the station, and the central column is fixed to the bottom longitudinal beam by grouting. The first and second assembly trolleys were installed and tested on the running tracks in the two station areas respectively. The side wall blocks are hoisted onto the first assembly trolley and the second assembly trolley respectively. The first assembly trolley and the second assembly trolley each carry the side wall blocks along the running track to the installation position, and the side wall blocks are installed on both sides of the station accordingly. After at least three side wall blocks are assembled on at least one side, the first or second assembly trolley installs the second central column in place and fixes it to the bottom longitudinal beam with grout. The first or second assembly trolley has a longitudinal beam installed between the tops of two adjacent central columns; The first and second assembly trolleys each install at least three top plates sequentially between the assembled side wall blocks and the longitudinal beams; Repeat the above steps to install the center column, side wall blocks, longitudinal beams and top plate using the first assembly trolley and the second assembly trolley; When a steel temporary beam is installed above the construction area, the central column, top plate and longitudinal beam are hoisted to the first assembly trolley and the second assembly trolley at the longitudinal end of the station by a gantry crane. The first assembly trolley and the second assembly trolley carry the central column, top plate and longitudinal beam to the corresponding installation position along the running track and assemble them. Both the first and second assembly trolleys include a wheel-rail running device, a frame, and a side wall mounting device. The wheel-rail running gear is located at the bottom of the frame, and the side wall mounting device is located on the frame. The side wall mounting device includes: a side wall support mechanism located at the bottom of the frame, a side wall mounting mechanism located at the top of the frame, a side wall clamping mechanism located in the middle of the frame, and a side wall fine-tuning mechanism located at the bottom of the frame. The first or second assembly trolley transports the side wall blocks along the running track to the installation position, and installs the side wall blocks on both sides of the station accordingly, including: At the longitudinal end of the station, the side wall block is lifted onto the side wall support mechanism by a gantry crane, and the side wall support mechanism supports the side wall block from the bottom. The side wall clamping mechanism extends from both sides of the side wall block to the side of the side wall block away from the trolley and applies clamping force to the side wall block. The assembly trolley travels along the track via a wheel-rail traveling device to transport the side wall blocks to the installation position; The side wall block is moved by applying a pushing force to it through the side wall mounting mechanism; the side wall mounting mechanism includes: a side wall longitudinal moving frame, a side wall lifting frame, a side wall transverse moving frame, a transverse moving arm, a longitudinal moving drive, a vertical driving drive, and a transverse moving drive; The side wall adjustment mechanism applies force to the lower part of the side wall block to finely adjust the pitch angle of the side wall block, and installs the side wall block on both sides of the station accordingly. The first or second assembly trolley includes a wheel-rail running gear, a frame, and a longitudinal beam installation device; the longitudinal beam installation device includes a moving platform and a lifting frame; the first or second assembly trolley transports the longitudinal beams along the running track to the corresponding installation position and assembles them, including: The longitudinal beam is fixed by the connecting part set at the outer end of the hoisting frame; The longitudinal beam is transported to the installation position by traveling along the track using a wheel-rail traveling device. The longitudinal beams are assembled by moving the mobile platform laterally. The mobile platform includes: two mobile platforms, which are parallel and side-by-side, extending laterally; a space is left between the two mobile platforms to accommodate the central column of the station; a first assembly trolley or a second assembly trolley transports the central column to the corresponding installation position along a travel track and assembles it, including: The central column is fixed by moving the platform. The central column is transported to the installation location for assembly by a wheel-rail traveling device that travels along the track.

2. The construction method according to claim 1, characterized in that, During the installation of the second central column and longitudinal beam by the first and second assembly trolleys, the specific steps are as follows: The first assembly trolley is used to install the central column, and the second assembly trolley is used to install the longitudinal beams.

3. The construction method according to claim 1, characterized in that, Also includes: After the roof slab is installed, the upper running tracks are installed on the upper surface of the roof slabs of the two station areas respectively, and the running tracks extend longitudinally along the station. Install and debug the first and second assembly trolleys on the running track; Install the first central column of the upper layer above the bottom longitudinal beam; The side wall blocks are hoisted onto the first assembly trolley and the second assembly trolley respectively. The first assembly trolley and the second assembly trolley each carry the side wall blocks along the running track to the installation position, and the side wall blocks are installed on both sides of the upper level of the station. After at least three side wall blocks are assembled on at least one side, the first or second assembly trolley installs the second central column into place. The first or second assembly trolley installs longitudinal beams between the tops of the central columns of two adjacent upper layers; The first and second assembly trolleys each install at least three top plates sequentially between the already assembled upper side wall blocks and longitudinal beams; Repeat the above steps to install the upper-level central column, side wall blocks, longitudinal beams and top plate using the first and second assembly trolleys.

4. The construction method according to claim 1, characterized in that, After the last side wall panel is installed in both station areas, the first and second assembly trolleys are dismantled and lifted out at the longitudinal end of the station. The last roof panel in each station area is then transported to the installation position and installed using a gantry crane.

5. The construction method according to claim 1, characterized in that, When a gantry crane can be used above the construction area, the central column, top slab, and longitudinal beams are all transported by the gantry crane. The first assembly trolley and the second assembly trolley can assist in assembling one of the central column, top slab, and longitudinal beams.

6. The construction method according to claim 1, characterized in that, The side wall clamping mechanism includes: at least one pair of clamps and a clamp driver; the two clamps in the pair are arranged longitudinally at intervals, with space between them for accommodating the side wall block; the inner side of the clamp is provided with a groove for the side wall block to be inserted; one end of the clamp driver is connected to one clamp, and the other end is fixed to the frame. Applying a clamping force to the side wall block through the side wall clamping mechanism includes: the clamping claw driver drives two separate clamping claws to extend from both sides of the side wall block to the side of the side wall block away from the trolley, and brings the two clamping claws close to each other to apply a clamping force to the side wall block.

7. The construction method according to claim 1, characterized in that, The method for installing the central support column is as follows: The central column is transported to the installation position and assembled using a central column mounting frame; the central column mounting frame is equipped with wheels at the bottom.

8. The construction method according to claim 1, characterized in that, The first or second assembly trolley includes a wheel-rail running device, a frame, and a top plate mounting device; the top plate mounting device includes a top plate support frame and a top plate lifting drive mechanism. The first or second assembly trolley transports the top plate along the travel track to the corresponding installation position and assembles it, including: The top is supported by a top plate support frame; The wheel-rail traveling device moves along the running track to carry the top plate to the installation position for assembly.

9. The construction method according to claim 8, characterized in that, The top plate mounting device also includes: extrusion fixtures and extrusion drive components; The first or second assembly trolley transports the top plate along the travel track to the corresponding installation position and assembles it. This also includes: A longitudinal driving force is applied to the extrusion fixture by an extrusion drive component, so that the extrusion fixture applies a longitudinal extrusion force to the top plate.

10. The construction method according to claim 1, characterized in that, Before the station floor slab is poured, the following steps are also included: constructing diaphragm walls around the construction area; After completing the splicing of at least one side wall block, the process also includes: using connectors to connect the top of the side wall block to the top of the diaphragm wall; After all the side wall blocks are assembled, the process also includes pouring concrete between the side wall blocks and the diaphragm wall.

11. A composite subway station, characterized in that, It is constructed using the construction method described in any one of claims 1-10.

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