An assembled rail-top air duct intelligent assembly device and use method thereof

Abstract

The present invention is an assembled rail-top air duct intelligent assembly device and a method for using the same. The assembly device includes a prefabricated bottom plate intelligent adjustment vehicle and two prefabricated side wall intelligent lifting vehicles. The two prefabricated side wall intelligent lifting vehicles are respectively installed on the left and right sides of the prefabricated bottom plate intelligent adjustment vehicle with adjustable distances; the prefabricated bottom plate intelligent adjustment vehicle includes a prefabricated bottom plate intelligent adjustment vehicle main structure, a drive system, a prefabricated bottom plate intelligent adjustment system and a prefabricated bottom plate supporting structure; the prefabricated side wall intelligent lifting vehicle includes a prefabricated side wall intelligent lifting vehicle main structure, a follow-up universal wheel, a prefabricated side wall intelligent lifting system and a prefabricated side wall supporting structure. The present invention can significantly save the frame manufacturing cost when assembling the prefabricated sections of the rail-top air duct, and can also significantly reduce the ground site stacking area of ​​the prefabricated rail-top air duct components. It has an adjustment function, is conducive to construction site management, and improves the level of intelligent construction technology.

Description

Technical Field

[0001] The invention relates to the technical field of construction of subway platform accessory structures, and in particular to an assembled rail-top air duct intelligent assembly device and a use method thereof. Background Art

[0002] The track-top air duct is an important component of the subway station ventilation system. It is hung at the junction of the station center plate and the structural side wall. It is mainly used for ventilation and heat dissipation on the top of the subway train, and can be used as a load-bearing and sealing component on the upper part of the shield door or safety door. The track-top air duct is an auxiliary structure of the subway station. It is usually not cast at the same time as the main structure. After the main structure is completed, the track-top air duct construction is completed by the cast-in-place method. The construction process of the traditional cast-in-place track-top air duct usually includes setting up the formwork support system, pre-embedded steel bar excavation, steel bar binding, pouring concrete, etc., which has problems such as small working space, inconvenient formwork and long construction period.

[0003] At present, the prefabricated construction technology is becoming more and more mature, and the prefabricated rail-top air duct has become an important choice to replace the cast-in-place rail-top air duct. When using the prefabricated rail-top air duct, the rail-top air duct is divided into several prefabricated segments along the direction of vehicle travel. Each prefabricated segment consists of two prefabricated side walls and a prefabricated bottom plate. The prefabricated bottom plate is placed on the prefabricated side wall bracket, and the prefabricated bottom plate and the prefabricated side wall are connected by bolts and grouting materials. The prefabricated segments of the rail-top air duct are usually assembled and stacked on the ground. During installation, they are hoisted by ground lifting equipment (such as tower cranes, truck cranes, gantry cranes, etc.) to the track layer horizontal transportation equipment (such as forklifts, etc.), and then the track layer horizontal transportation equipment transports the prefabricated segments of the rail-top air duct to the designated location to complete the installation construction. The use of prefabricated rail-top air ducts can effectively solve the problems existing in the construction of cast-in-place rail-top air ducts.

[0004] However, during the assembly of the prefabricated segments of the track-top air duct, it is necessary to make a frame according to the cross-sectional dimensions of the track-top air duct, which is used to fix the prefabricated side walls and prefabricated bottom plate during the assembly process. For different projects, there are large differences in the cross-sectional dimensions of the track-top air duct, and the corresponding frame needs to be made according to the cross-sectional dimensions of the track-top air duct, which will increase material and labor costs. In addition, the assembly of the prefabricated segments of the assembled track-top air duct is usually completed on the ground. After assembly, the prefabricated segments are usually stacked in the ground material storage area. Since the cross-sectional shape of the prefabricated segments of the track-top air duct after assembly is "U"-shaped, the maximum stacking height is usually only four to six layers, so it will occupy a large ground site area, which is not conducive to the layout of the construction site. Summary of the invention

[0005] The present invention aims to solve the deficiencies of the prior art and provides an assembled rail-top air duct intelligent assembly device and a use method thereof.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] An assembled rail-top air duct intelligent assembly device comprises a prefabricated bottom plate intelligent adjustment vehicle and two prefabricated side wall intelligent lifting vehicles, wherein the two prefabricated side wall intelligent lifting vehicles are respectively installed at the left and right sides of the prefabricated bottom plate intelligent adjustment vehicle with adjustable distances;

[0008] The prefabricated floor intelligent adjustment vehicle comprises a prefabricated floor intelligent adjustment vehicle main structure, a drive system, a prefabricated floor intelligent adjustment system and a prefabricated floor supporting structure;

[0009] The prefabricated side wall intelligent lifting vehicle comprises a prefabricated side wall intelligent lifting vehicle main structure, follow-up universal wheels, a prefabricated side wall intelligent lifting system and a prefabricated side wall supporting structure.

[0010] The main structure of the prefabricated bottom plate intelligent adjustment vehicle includes a plurality of first frame columns, a plurality of first frame beams, a plurality of first frame diagonal braces, a plurality of first packaging steel plates and an operating platform;

[0011] A plurality of first frame columns, a plurality of first frame beams, and a plurality of first frame diagonal braces are welded together to form a first overall frame, and a plurality of first packaging steel plates are welded to the periphery of the first overall frame;

[0012] The operating platform includes a rib beam, a platform support plate, a fixed bearing, a movable bearing and a folding device; the platform support plate is arranged at the front side of the first integral frame, a plurality of rib beams are welded to the bottom of the platform support plate, the platform support plate and the rib beams are hinged to the front side of the first integral frame through the fixed bearing, and the upper surface of the platform support plate is connected to the front side of the first integral frame through the movable bearing and the folding device;

[0013] The fixed bearing comprises a first earring welded to the first frame beam at the lower end of the front side of the first integral frame, a second earring welded to the inner end of the rib beam, and a hinge pin connected to the corresponding first earring and second earring;

[0014] The movable bearing includes a third earring welded on the first frame column on the front side of the first integral frame and a fourth earring welded on the upper surface of the platform support plate. The folding device includes a folding pull rod with matching earrings at both ends. Connecting pins are provided between the matching earrings and the third earring and the fourth earring.

[0015] The driving system includes a driving controller and a traveling device; the driving controller is installed on the front side of the first encapsulated steel plate; the traveling device includes a driving shaft installed at the bottom of the first integral frame, the driving shaft is connected to a driving motor, driving wheels are installed at both ends of the driving shaft, and the driving motor is connected to the driving controller.

[0016] The prefabricated bottom plate intelligent adjustment system includes four first vertically retractable hydraulic jacks, six horizontally retractable hydraulic jacks, and a prefabricated bottom plate size intelligent adjustment controller;

[0017] Four first vertically retractable hydraulic jacks are installed at the four corners of the top of the main structure of the prefabricated bottom plate intelligent adjustment vehicle, and the top of the piston rod of the first vertically retractable hydraulic jack is connected with a first flange;

[0018] Three horizontally retractable hydraulic jacks are installed on the left and right sides of the main structure of the prefabricated bottom plate intelligent adjustment vehicle, and the piston rod ends of the horizontally retractable hydraulic jacks are connected to the second flange plate;

[0019] The intelligent adjustment controller for the size of the prefabricated base plate is installed on the front side of the first encapsulated steel plate, and the first vertically retractable hydraulic jack and the horizontally retractable hydraulic jack are both connected to the intelligent adjustment controller for the size of the prefabricated base plate.

[0020] The prefabricated floor support structure includes a prefabricated floor support frame and a prefabricated floor support beam;

[0021] Steel legs are welded at the four corners of the bottom of the prefabricated bottom plate supporting frame, and a third flange is welded at the bottom of each steel leg, and the third flange is connected to the corresponding first flange by bolts;

[0022] A plurality of prefabricated bottom plate supporting beams are welded on the top of the prefabricated bottom plate supporting frame, and a plurality of first stiffening ribs are welded on both sides of the web of the prefabricated bottom plate supporting beams.

[0023] The main structure of the prefabricated side wall intelligent lifting vehicle includes a plurality of second frame columns, a plurality of second frame beams, a plurality of second frame diagonal braces, a plurality of second encapsulation steel plates and a plurality of lateral connection legs;

[0024] A number of second frame columns, a number of second frame beams, and a number of second frame diagonal braces are welded together to form a second overall frame, and a number of second encapsulation steel plates are encapsulated on the periphery of the second overall frame; the tops of the second frame columns on both sides of the second overall frame protrude from the tops of the second frame beams at the upper end, and the protruding height of the second frame columns on the side away from the prefabricated floor intelligent adjustment vehicle is greater than the protruding height of the second frame columns on the side close to the prefabricated floor intelligent adjustment vehicle, and a number of lateral connecting legs are provided at the lower end of the side of the second overall frame facing the prefabricated floor intelligent adjustment vehicle, and a fourth flange is welded to the end of the lateral connecting leg, and the fourth flange is connected to the corresponding second flange by bolts.

[0025] Each prefabricated side wall intelligent lifting vehicle has four follow-up universal wheels at the bottom.

[0026] The prefabricated side wall intelligent lifting system includes two second vertical retractable hydraulic jacks and two third vertical retractable hydraulic jacks and a prefabricated side wall size intelligent adjustment controller;

[0027] Two second vertical retractable hydraulic jacks are installed on the front and rear second frame beams at the upper end of the second integral frame, and a fifth flange is welded on the top of the piston rod of the second vertical retractable hydraulic jack; two third vertical retractable hydraulic jacks are installed on the front and rear sides of the top of the protruding second frame column close to the side of the prefabricated bottom plate intelligent adjustment vehicle, and a sixth flange is welded on the top of the piston rod of the third vertical retractable hydraulic jack; a prefabricated side wall size intelligent adjustment controller is installed on the front side of the second encapsulated steel plate, and the second vertical retractable hydraulic jack and the third vertical retractable hydraulic jack are both connected to the prefabricated side wall size intelligent adjustment controller.

[0028] The prefabricated side wall supporting structure includes a prefabricated side wall bottom supporting structure and a prefabricated side wall corbel supporting structure;

[0029] The prefabricated side wall bottom supporting structure comprises a first square steel pipe and a prefabricated side wall bottom joist, a first connecting pipe is welded to the bottom of the first square steel pipe, a seventh flange is welded to the bottom of the first connecting pipe, the seventh flange is connected to the corresponding fifth flange by bolts, the prefabricated side wall bottom joist is welded to the top of the first square steel pipe, and a plurality of second stiffening ribs are welded to both sides of the web of the prefabricated side wall bottom joist;

[0030] The prefabricated side wall corbel supporting structure includes a second square steel pipe and a prefabricated side wall corbel supporting beam. A second connecting pipe is welded to the bottom of the second square steel pipe, an eighth flange is welded to the bottom of the second connecting pipe, the eighth flange is connected to the corresponding sixth flange by bolts, and the prefabricated side wall corbel supporting beam is welded to the top of the second square steel pipe.

[0031] The method for using the above-mentioned assembled rail-top air duct intelligent assembly device comprises the following steps:

[0032] S1. Lift one prefabricated floor intelligent adjustment vehicle and two prefabricated side wall intelligent lifting vehicles to the track layer, and move the two prefabricated side wall intelligent lifting vehicles to the corresponding positions on both sides of the prefabricated floor intelligent adjustment vehicle according to the lateral dimensions of the prefabricated track top air duct;

[0033] S2. Adjust the extension length of the six horizontally retractable hydraulic jacks through the prefabricated bottom plate size intelligent adjustment controller, and use bolts to connect and fasten the second flanges connected to the six horizontally retractable hydraulic jacks to the fourth flanges of the lateral connection legs of the two prefabricated side wall intelligent lifting vehicles respectively;

[0034] S3, according to the size from the bottom surface of the prefabricated rail top air duct side wall to the bottom surface of the corbel, the extension length of the second vertical retractable hydraulic jack for lifting the bottom of the prefabricated side wall and the third vertical retractable hydraulic jack for lifting the corbel of the prefabricated side wall of the two prefabricated side wall intelligent lifting vehicles is adjusted through the prefabricated side wall size intelligent adjustment controller;

[0035] S4, according to the height of the side wall bracket of the prefabricated rail top air duct, the extension length of the first vertical retractable hydraulic jack is adjusted through the prefabricated bottom plate size intelligent adjustment controller;

[0036] S5. The platform support plate of the operating platform is unfolded and fixed by the folding device. The operator stands on the platform support plate and operates the driving controller to drive the device to the reserved construction opening at the top of the track layer;

[0037] S6. Use ground lifting equipment to lift the prefabricated rail-top duct side walls stacked on the ground site onto the prefabricated side wall intelligent lifting vehicle, wherein the bottom surface of the prefabricated rail-top duct side wall is placed on the prefabricated side wall bottom joist, and the bottom surface of the prefabricated rail-top duct side wall corbel is placed on the prefabricated side wall corbel joist;

[0038] S7. Use ground lifting equipment to lift the prefabricated rail-top air duct bottom plates stacked on the ground site onto the prefabricated bottom plate intelligent adjustment vehicle, and place the bottom surface of the prefabricated rail-top air duct bottom plates on the prefabricated bottom plate joists;

[0039] S8. Use bolts to connect the side wall of the precast rail top air duct with the bottom plate of the precast rail top air duct through the reserved bolt holes of the corbels on the side wall of the precast rail top air duct and the reserved bolt holes on the bottom plate of the precast rail top air duct;

[0040] S9. The operator stands on the platform support plate and operates the driving controller to drive the device to the position directly below the installation position of the precast rail top air duct of the track layer. The precast rail top air duct is hoisted as a whole and installed on the track layer top plate through the longitudinal reserved steel bars of the precast rail top air duct side wall by the hoisting equipment preset above the track layer top plate. The construction personnel use grouting material to fill the post-casting strip between the side wall of the precast rail top air duct and the bottom plate of the precast rail top air duct.

[0041] S10, the operator stands on the platform support plate, operates the drive controller to drive the device to the reserved construction opening on the top of the track layer, repeats steps S6 to S10, and sequentially completes the assembly and installation construction of the prefabricated track top air duct stage.

[0042] The beneficial effects of the present invention are as follows: the present invention can significantly save the frame manufacturing cost when assembling the prefabricated segments of the rail top air duct, and can also significantly reduce the ground site stacking area of ​​the prefabricated rail top air duct components. It has an adjustment function, which is beneficial to the construction site management and improves the level of intelligent construction technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a structural schematic diagram of the present invention;

[0044] Figure 2 It is a structural schematic diagram of the prefabricated bottom plate intelligent adjustment vehicle in the present invention;

[0045] Figure 3This is a structural schematic diagram of the prefabricated side wall intelligent lifting vehicle in the present invention after omitting the first packaging steel plate;

[0046] Figure 4 It is a structural schematic diagram of the prefabricated side wall intelligent lifting vehicle in the present invention;

[0047] Figure 5 This is a schematic diagram of the structure of the prefabricated side wall intelligent lifting vehicle in the present invention after omitting the second packaging steel plate;

[0048] Figure 6 A state diagram when used for the present invention;

[0049] In the figure: 1- intelligent adjustment vehicle for prefabricated bottom plate; 2- intelligent lifting vehicle for prefabricated side wall;

[0050] 11-main structure of the prefabricated bottom plate intelligent adjustment vehicle; 12-driving system; 13-prefabricated bottom plate intelligent adjustment system; 14-prefabricated bottom plate supporting structure;

[0051] 111-first frame column; 112-first frame beam; 113-first frame diagonal brace; 114-first packaging steel plate; 115-operating platform; 1151-rib beam; 1152-platform support plate; 1153-fixed bearing; 1154-movable bearing; 1155-folding device;

[0052] 121-drive controller; 122-travel device; 1221-drive shaft; 1222-drive wheel;

[0053] 131-first vertical retractable hydraulic jack; 132-horizontally retractable hydraulic jack; 133-prefabricated base plate size intelligent adjustment controller; 134-first flange; 135-second flange;

[0054] 141-prefabricated bottom plate supporting frame; 142-prefabricated bottom plate supporting beam; 143-third flange; 144-first stiffening rib;

[0055] 21-main structure of the prefabricated side wall intelligent lifting vehicle; 22-follow-up universal wheel; 23-prefabricated side wall intelligent lifting system; 24-prefabricated side wall supporting structure;

[0056] 211-second frame column; 212-second frame beam; 213-second frame diagonal brace; 214-second packaging steel plate; 215-lateral connecting leg; 216-fourth flange;

[0057] 231-second vertical retractable hydraulic jack; 232-third vertical retractable hydraulic jack; 233-prefabricated side wall size intelligent adjustment controller; 234-fifth flange; 235-sixth flange;

[0058] 241-prefabricated side wall bottom supporting structure; 2411-first square steel pipe; 2412-prefabricated side wall bottom joist; 2413-seventh flange; 2414-second stiffening rib; 242-prefabricated side wall corbel supporting structure; 2421-second square steel pipe; 2422-prefabricated side wall corbel joist; 2423-eighth flange;

[0059] 31-side wall of the precast track top air duct; 32-bottom plate of the precast track top air duct; 33-post-casting belt;

[0060] 311- longitudinal reserved steel bars on the side walls of the prefabricated rail top air duct;

[0061] 321-Prefabricated rail top air duct bottom plate reserved bolt holes;

[0062] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0063] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The embodiments are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail by way of example with reference to the accompanying drawings in the following paragraphs. The advantages and features of the present invention will become clearer according to the following description. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0064] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0065] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0066] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0067] An assembled rail-top air duct intelligent assembly device, such as Figure 1As shown, it includes a prefabricated bottom plate intelligent adjustment vehicle 1 and two prefabricated side wall intelligent lifting vehicles 2. The two prefabricated side wall intelligent lifting vehicles 2 are respectively installed on the left and right sides of the prefabricated bottom plate intelligent adjustment vehicle 1 with adjustable distances.

[0068] Prefabricated floor intelligent adjustment vehicle 1 Figure 2 , Figure 3 As shown, it includes a prefabricated floor intelligent adjustment vehicle main structure 11, a drive system 12, a prefabricated floor intelligent adjustment system 13 and a prefabricated floor supporting structure 14.

[0069] The main structure 11 of the prefabricated bottom plate intelligent adjustment vehicle includes a plurality of first frame columns 111 , a plurality of first frame beams 112 , a plurality of first frame diagonal braces 113 , a plurality of first packaging steel plates 114 and an operating platform 115 .

[0070] A plurality of first frame columns 111, a plurality of first frame beams 112, and a plurality of first frame diagonal braces 113 are welded together to form a first overall frame. The first frame columns 111 and the first frame beams 112 are both square steel tubes. The first frame diagonal braces 113 are welded to the nodes of the first frame columns 111 and the first frame beams 112 through node plates. A plurality of first encapsulation steel plates 114 are welded to the periphery of the first overall frame.

[0071] The operating platform 115 includes rib beams 1151, a platform pallet 1152, a fixed bearing 1153, a movable bearing 1154 and a folding device 1155; the platform pallet 1152 is arranged on the front side of the first overall frame, and a plurality of rib beams 1151 are welded to the bottom of the platform pallet 1152. The platform pallet 1152 and the rib beams 1151 are hinged to the front side of the first overall frame through the fixed bearing 1153, and the upper surface of the platform pallet 1152 is connected to the front side of the first overall frame through the movable bearing 1154 and the folding device 1155.

[0072] The rib beam 1151 is a “T”-shaped steel beam, and the platform support plate 1152 is a steel plate. The platform support plate 1152 is welded to the upper flange surface of the rib beam 1151 .

[0073] The fixed bearing 1153 includes a first earring welded to the first frame beam 112 at the lower end of the front side of the first integral frame, a second earring welded to the inner end of the rib beam 1151, and a hinge pin connected to the corresponding first earring and second earring.

[0074] The movable bearing 1154 includes a third earring welded on the first frame column 111 on the front side of the first integral frame, and a fourth earring welded on the upper surface of the platform support plate 1152. The folding device 1155 includes a folding pull rod with matching earrings at both ends. Connecting pins are provided between the matching earrings and the third earring and the fourth earring.

[0075] When the folding device 1155 is opened, the operator can stand on the platform pallet 1152 to realize the driving control of the main structure 11 of the prefabricated floor intelligent adjustment vehicle. When the folding device 1155 is folded, it is convenient to lift and transport the main structure 11 of the prefabricated floor intelligent adjustment vehicle.

[0076] The driving system 12 includes a driving controller 121 and a traveling device 122; the driving controller 121 is installed on the front of the first encapsulating steel plate 114; the driving controller 121 includes four triangular buttons of up, down, left and right and a central circular button, which can respectively realize the forward, backward, left turn, right turn and emergency braking of the prefabricated floor intelligent adjustment vehicle 1; a display window is set above the buttons of the driving controller 121, which can display the real-time travel speed and abnormal status of the prefabricated floor intelligent adjustment vehicle 1.

[0077] The driving controller 121 may adopt a set of COB-62H.

[0078] The travel device 122 includes a drive shaft 1221 installed at the bottom of the first integral frame, the drive shaft 1221 is connected to a drive motor, drive wheels 1222 are installed at both ends of the drive shaft 1221, and the drive motor is connected to the drive controller 121. The travel device 122 is controlled by the drive controller 121 and realizes the travel function through power transmission.

[0079] The prefabricated floor intelligent adjustment system 13 includes four first vertically retractable hydraulic jacks 131 , six horizontally retractable hydraulic jacks 132 , and a prefabricated floor size intelligent adjustment controller 133 .

[0080] Four first vertical retractable hydraulic jacks 131 are installed at the four corners of the top of the main structure 11 of the prefabricated floor intelligent adjustment vehicle, and the top of the piston rod of the first vertical retractable hydraulic jack 131 is connected to a first flange 134; the extension length of the four first vertical retractable hydraulic jacks 131 is synchronously controlled by the prefabricated floor size intelligent adjustment controller 133.

[0081] Three horizontally retractable hydraulic jacks 132 are installed on the left and right sides of the main structure 11 of the prefabricated floor intelligent adjustment vehicle, and the piston rod ends of the horizontally retractable hydraulic jacks 132 are connected to second flanges 135. The three horizontally retractable hydraulic jacks 132 on each side are arranged in the following manner: one in the middle of the upper part and two in the front and rear of the lower part. The extension lengths of the three horizontally retractable hydraulic jacks 132 are synchronously controlled by the prefabricated floor size intelligent adjustment controller 133.

[0082] The prefabricated bottom plate size intelligent adjustment controller 133 is installed on the front side of the first encapsulation steel plate 114 , and the first vertically retractable hydraulic jack 131 and the horizontally retractable hydraulic jack 132 are both connected to the prefabricated bottom plate size intelligent adjustment controller 133 .

[0083] The prefabricated base plate size intelligent adjustment controller 133 includes three groups of triangular buttons, which are respectively used to control the extension lengths of the three horizontally retractable hydraulic jacks 132 on the left, the four first vertically retractable hydraulic jacks 131, and the three horizontally retractable hydraulic jacks 132 on the right, thereby realizing intelligent adjustment of the size of the prefabricated rail top air duct base plate 32.

[0084] A display window is set above the button of the prefabricated floor size intelligent adjustment controller 133, which can display in real time the extension lengths of the three horizontally retractable hydraulic jacks 132 on the left, the four first vertically retractable hydraulic jacks 131, and the three horizontally retractable hydraulic jacks 132 on the right, and display the real-time travel speed and abnormal status of the prefabricated floor intelligent adjustment vehicle 1.

[0085] The prefabricated base plate size intelligent adjustment controller 133 can adopt 3 groups of COB-61.

[0086] The prefabricated floor supporting structure 14 includes a prefabricated floor supporting frame 141 and a prefabricated floor supporting beam 142 .

[0087] Steel legs are welded at the four corners of the bottom of the prefabricated bottom plate supporting frame 141 and a third flange 143 is welded at the bottom of each steel leg. The third flange 143 is connected to the corresponding first flange 134 by bolts.

[0088] A plurality of prefabricated floor support beams 142 are welded on the top of the prefabricated floor support frame 141, and a plurality of first stiffening ribs 144 are welded on both sides of the web of the prefabricated floor support beam 142. The prefabricated floor support beam 142 is an inverted trapezoidal steel beam, and inverted trapezoidal first stiffening ribs 144 are welded on both sides of the web of the inverted trapezoidal steel beam. The lower flange of the inverted trapezoidal steel beam is welded to the square steel pipe of the prefabricated floor support frame 141, and the upper flange of the inverted trapezoidal steel beam is used to support the prefabricated rail top air duct bottom plate 32.

[0089] Prefabricated side wall intelligent lifting vehicle 2 Figure 4 , Figure 5 As shown, it includes a main body structure 21 of a prefabricated side wall intelligent lifting vehicle, a follow-up universal wheel 22, a prefabricated side wall intelligent lifting system 23 and a prefabricated side wall supporting structure 24.

[0090] The main body structure 21 of the prefabricated side wall intelligent lifting vehicle includes a plurality of second frame columns 211 , a plurality of second frame beams 212 , a plurality of second frame diagonal braces 213 , a plurality of second encapsulating steel plates 214 and a plurality of lateral connecting legs 215 .

[0091] A plurality of second frame columns 211, a plurality of second frame beams 212, and a plurality of second frame diagonal braces 213 are welded together to form a second overall frame. The second frame columns 211 and the second frame beams 212 are both square steel tubes. The second frame diagonal braces 213 are welded at the nodes of the second frame columns 211 and the second frame beams 212 through node plates. A plurality of second encapsulation steel plates 214 are encapsulated on the periphery of the second overall frame.

[0092] The tops of the second frame columns 211 on both sides of the second integral frame protrude from the tops of the second frame beams 212 at the upper end, and the protruding height of the second frame columns 211 on the side away from the prefabricated floor intelligent adjustment vehicle 1 is greater than the protruding height of the second frame columns 211 on the side close to the prefabricated floor intelligent adjustment vehicle 1. A plurality of lateral connecting legs 215 are provided at the lower end of the side of the second integral frame facing the prefabricated floor intelligent adjustment vehicle 1, and a fourth flange 216 is welded to the end of the lateral connecting leg 215, and the fourth flange 216 is connected to the corresponding second flange 135 by bolts.

[0093] Each prefabricated side wall intelligent lifting vehicle 2 has four follower universal wheels 22 at the bottom.

[0094] The follow-up universal wheel 22 is installed under the main structure 21 of the prefabricated side wall intelligent lifting vehicle, and is preferably connected by bolts; after the lateral connecting legs 215 of the main structure 21 of the prefabricated side wall intelligent lifting vehicle are connected to the main structure 11 of the prefabricated bottom plate intelligent adjustment vehicle, when the prefabricated bottom plate intelligent adjustment vehicle 1 is traveling, the follow-up universal wheel 22 of the prefabricated side wall intelligent lifting vehicle 2 can roll synchronously, and the prefabricated side wall intelligent lifting vehicle 2 can travel synchronously with the prefabricated bottom plate intelligent adjustment vehicle 1.

[0095] The prefabricated side wall intelligent lifting system 23 includes two second vertically retractable hydraulic jacks 231 , two third vertically retractable hydraulic jacks 232 and a prefabricated side wall size intelligent adjustment controller 233 .

[0096] Two second vertical retractable hydraulic jacks 231 are installed on the front and rear second frame beams 212 at the upper end of the second integral frame, and a fifth flange 234 is welded to the top of the piston rod of the second vertical retractable hydraulic jack 231; two third vertical retractable hydraulic jacks 232 are installed on the front and rear sides of the top of the protruding second frame column 211 close to one side of the prefabricated bottom plate intelligent adjustment vehicle 1, and a sixth flange 235 is welded to the top of the piston rod of the third vertical retractable hydraulic jack 232; a prefabricated side wall size intelligent adjustment controller 233 is installed on the front side of the second encapsulation steel plate 214, and the second vertical retractable hydraulic jack 231 and the third vertical retractable hydraulic jack 232 are both connected to the prefabricated side wall size intelligent adjustment controller 233.

[0097] The extension lengths of the two second vertically retractable hydraulic jacks 231 and the two third vertically retractable hydraulic jacks 232 are synchronously controlled by the prefabricated side wall size intelligent adjustment controller 233 .

[0098] The prefabricated side wall size intelligent adjustment controller 233 includes two groups of triangular buttons, which are respectively used to control the extension lengths of the two second vertical retractable hydraulic jacks 231 and the two third vertical retractable hydraulic jacks 232, thereby realizing the intelligent adjustment of the size of the prefabricated rail top air duct side wall 31; a display window is set above the buttons of the prefabricated side wall size intelligent adjustment controller 233, which can display the extension lengths of the two second vertical retractable hydraulic jacks 231 and the two third vertical retractable hydraulic jacks 232 in real time.

[0099] The prefabricated side wall size intelligent adjustment controller 233 can adopt 2 sets of COB-61.

[0100] The prefabricated side wall supporting structure 24 includes a prefabricated side wall bottom supporting structure 241 and a prefabricated side wall corbel supporting structure 242 .

[0101] The prefabricated side wall bottom supporting structure 241 includes a first square steel pipe 2411 and a prefabricated side wall bottom supporting beam 2412. A first connecting pipe is welded to the bottom of the first square steel pipe 2411, a seventh flange 2413 is welded to the bottom of the first connecting pipe, the seventh flange 2413 is connected to the corresponding fifth flange 234 by bolts, the prefabricated side wall bottom supporting beam 2412 is welded to the top of the first square steel pipe 2411, and a plurality of second stiffening ribs 2414 are welded on both sides of the web of the prefabricated side wall bottom supporting beam 2412.

[0102] The prefabricated side wall bottom supporting beam 2412 is an inverted trapezoidal steel beam, and inverted trapezoidal second stiffening ribs 2414 are welded on both sides of the web of the inverted trapezoidal steel beam. The lower flange of the inverted trapezoidal steel beam is welded to the first square steel pipe 2411, and the upper flange of the inverted trapezoidal steel beam is used to support the bottom of the prefabricated track top air duct side wall 31.

[0103] The prefabricated side wall corbel supporting structure 242 includes a second square steel pipe 2421 and a prefabricated side wall corbel supporting beam 2422. A second connecting pipe is welded to the bottom of the second square steel pipe 2421. An eighth flange 2423 is welded to the bottom of the second connecting pipe. The eighth flange 2423 is connected to the corresponding sixth flange 235 by bolts. The prefabricated side wall corbel supporting beam 2422 is welded to the top of the second square steel pipe 2421.

[0104] The prefabricated side wall corbel support beam 2422 is an I-beam, and the upper flange of the I-beam is used to support the corbel of the prefabricated rail top air duct side wall 31.

[0105] Two prefabricated side wall intelligent lifting vehicles 2 are arranged on both sides of the prefabricated bottom plate intelligent adjusting vehicle 1, and are arranged in a mirror-symmetrical manner with respect to the prefabricated bottom plate intelligent adjusting vehicle 1.

[0106] The method for using the above-mentioned intelligent assembly device for assembled rail-top air duct is as follows: Figure 6 As shown, the steps are:

[0107] S1. Lift one prefabricated bottom plate intelligent adjustment vehicle 1 and two prefabricated side wall intelligent lifting vehicles 2 to the track layer, and move the two prefabricated side wall intelligent lifting vehicles 2 to the corresponding positions on both sides of the prefabricated bottom plate intelligent adjustment vehicle 1 according to the lateral dimensions of the prefabricated track top air duct;

[0108] S2. Adjust the extension length of the six horizontally retractable hydraulic jacks 132 through the prefabricated bottom plate size intelligent adjustment controller 133, and use bolts to connect and fasten the second flanges 135 connected to the six horizontally retractable hydraulic jacks 132 to the fourth flanges 216 of the lateral connection legs 215 of the two prefabricated side wall intelligent lifting vehicles 2 respectively;

[0109] S3, according to the size from the bottom surface of the prefabricated rail top air duct side wall 31 to the bottom surface of the corbel, the extension length of the second vertical retractable hydraulic jack 231 for lifting the bottom of the prefabricated side wall and the third vertical retractable hydraulic jack 232 for lifting the corbel of the prefabricated side wall of the two prefabricated side wall intelligent lifting vehicles 2 is adjusted through the prefabricated side wall size intelligent adjustment controller 233;

[0110] S4, according to the height of the bracket of the side wall 31 of the prefabricated rail top air duct, the extension length of the first vertical retractable hydraulic jack 131 is adjusted through the prefabricated bottom plate size intelligent adjustment controller 133;

[0111] S5. The platform support plate 1152 of the operating platform 115 is unfolded and fixed by the folding device 1155. The operator stands on the platform support plate 1152 and operates the driving controller 121 to drive the device to the reserved construction opening at the top of the track layer;

[0112] S6. Use ground lifting equipment to lift the prefabricated rail-top duct side wall 31 stacked on the ground site onto the prefabricated side wall intelligent lifting vehicle 2, wherein the bottom surface of the prefabricated rail-top duct side wall 31 is placed on the prefabricated side wall bottom joist 2412, and the bottom surface of the prefabricated rail-top duct side wall 31 corbel is placed on the prefabricated side wall corbel joist 2422;

[0113] S7, using ground lifting equipment to lift the prefabricated rail top duct bottom plate 32 stacked on the ground site onto the prefabricated bottom plate intelligent adjustment vehicle 1, and placing the bottom surface of the prefabricated rail top duct bottom plate 32 on the prefabricated bottom plate joist 142;

[0114] S8, using bolts to connect the prefabricated track top air duct side wall 31 with the prefabricated track top air duct bottom plate 32 through the prefabricated track top air duct side wall bracket reserved bolt holes and the prefabricated track top air duct bottom plate reserved bolt holes 321;

[0115] S9, the operator stands on the platform support plate 1152, operates the driving controller 121 to drive the device to the position directly below the installation position of the prefabricated rail top air duct of the track layer, and uses the hoisting equipment preset above the track layer top plate to hoist the prefabricated rail top air duct as a whole through the longitudinal reserved steel bars 311 of the prefabricated rail top air duct side wall and install it on the track layer top plate, and the construction personnel use grouting material to fill the post-casting strip 33 between the prefabricated rail top air duct side wall 31 and the prefabricated rail top air duct bottom plate 32;

[0116] S10. The operator stands on the platform support plate 1152 and operates the drive controller 121 to drive the device to the reserved construction opening on the top of the track layer, and repeats steps S6 to S10 to sequentially complete the assembly and installation construction of the prefabricated track top air duct stage.

[0117] When the size of the prefabricated track top air duct component changes, the extension lengths of the first vertical retractable hydraulic jack 131, the horizontal retractable hydraulic jack 132, the second vertical retractable hydraulic jack 231 for lifting the bottom of the prefabricated track top air duct side wall 31, and the third vertical retractable hydraulic jack 232 for lifting the corbel of the prefabricated track top air duct side wall 31 can be adjusted by controlling the prefabricated bottom plate size intelligent adjustment controller 133 and the prefabricated side wall size intelligent adjustment controller 233, so that the assembled track top air duct intelligent assembly device of the present invention is suitable for the assembly of prefabricated track top air duct components of different sizes.

[0118] The assembled rail-top air duct intelligent assembly device of the present invention can be assembled on-site at the subway track layer, and then the first vertical retractable hydraulic jack 131, the horizontal retractable hydraulic jack 132, the second vertical retractable hydraulic jack 231, and the third vertical retractable hydraulic jack 232 are adjusted to corresponding extension lengths according to the size of the prefabricated rail-top air duct component, and the prefabricated rail-top air duct side wall 31 and the prefabricated rail-top air duct bottom plate 32 stacked on the ground site are hoisted on the assembled rail-top air duct intelligent assembly device of the present invention. After the prefabricated rail-top air duct side wall 31 and the prefabricated rail-top air duct bottom plate 32 are connected by bolts and grouting material, the assembled rail-top air duct intelligent assembly device of the present invention is driven to the plane position where the prefabricated rail-top air duct component is installed for hoisting and installation by controlling the drive system 12. After completion, the assembled rail-top air duct intelligent assembly device of the present invention can be driven back to the ground hoisting reserved opening for assembly and transportation of the next group of prefabricated rail-top air duct components.

[0119] The intelligent assembly device for assembled rail-top air ducts of the present invention can adapt to the assembly of prefabricated rail-top air ducts of different sizes by controlling the intelligent adjustment system of the prefabricated bottom plate and the intelligent lifting system of the prefabricated side wall. It is not necessary to manufacture corresponding frames according to the cross-sectional sizes of different rail-top air ducts. The intelligent assembly device for assembled rail-top air ducts can be recycled, which completely avoids the waste of materials caused by assembling prefabricated rail-top air ducts with traditional fixed frames.

[0120] The assembled rail-top air duct intelligent assembly device of the present invention has a prefabricated bottom plate intelligent adjustment vehicle 1 and prefabricated side wall intelligent lifting vehicles 2 on both sides connected, and an operating platform 115 of a main structure 11 of the prefabricated bottom plate intelligent adjustment vehicle is provided with a folding device 1155. During the transportation of the device, the prefabricated bottom plate intelligent adjustment vehicle 1 and the prefabricated side wall intelligent lifting vehicles 2 on both sides can be disassembled, and the operating platform 115 of the main structure 11 of the prefabricated bottom plate intelligent adjustment vehicle can be folded and stowed, which is convenient for transportation of the device; during the use of the device, the prefabricated bottom plate intelligent adjustment vehicle 1 and the prefabricated side wall intelligent lifting vehicles 2 on both sides can be connected, and the device assembly can be completed by tightening six sets of flanges, and the operation is efficient and convenient; during the driving of the device, the operator can stand on the operating platform 115 of the main structure 11 of the prefabricated bottom plate intelligent adjustment vehicle, which effectively ensures the safety of the operator.

[0121] In the assembled rail-top air duct intelligent assembly device of the present invention, a follow-up universal wheel 22 is installed at the bottom of the prefabricated side wall intelligent lifting vehicle 2. After the prefabricated side wall intelligent lifting vehicle 2 is connected to the prefabricated bottom plate intelligent adjustment vehicle 1, when the prefabricated bottom plate intelligent adjustment vehicle 1 is driving, the prefabricated side wall intelligent lifting vehicle 2 can drive synchronously with the prefabricated bottom plate intelligent adjustment vehicle 1. The whole device only needs one drive system 12 to realize the driving function, which effectively controls the device cost.

[0122] The assembled rail-top air duct intelligent assembly device of the present invention can realize the assembly of prefabricated rail-top air duct components on the subway track layer, so that the assembled "U"-shaped prefabricated sections of the rail-top air duct do not occupy ground space.

[0123] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An assembled rail-top air duct intelligent assembly device, characterized in that: The invention comprises a prefabricated bottom plate intelligent adjustment vehicle (1) and two prefabricated side wall intelligent lifting vehicles (2), wherein the two prefabricated side wall intelligent lifting vehicles (2) are respectively installed at the left and right sides of the prefabricated bottom plate intelligent adjustment vehicle (1) with adjustable distances; the prefabricated bottom plate intelligent adjustment vehicle (1) comprises a prefabricated bottom plate intelligent adjustment vehicle main structure (11), a drive system (12), a prefabricated bottom plate intelligent adjustment system (13) and a prefabricated bottom plate supporting structure (14); the prefabricated side wall intelligent lifting vehicle (2) comprises a prefabricated side wall intelligent lifting vehicle main structure (21), a follow-up universal wheel (22), a prefabricated side wall intelligent lifting system (23) and a prefabricated side wall supporting structure (24); The main structure (11) of the prefabricated bottom plate intelligent adjustment vehicle comprises a plurality of first frame columns (111), a plurality of first frame beams (112), a plurality of first frame diagonal braces (113), a plurality of first packaging steel plates (114) and an operating platform (115); the plurality of first frame columns (111), the plurality of first frame beams (112) and the plurality of first frame diagonal braces (113) are welded together to form a first overall frame, and the plurality of first packaging steel plates (114) are welded to the periphery of the first overall frame; the operating platform (115) comprises a rib beam (1151), a platform support plate (1152), a fixed bearing (1153), a movable bearing (1154) and a folding device (1155); the platform support plate (1152) is arranged at the front side of the first overall frame, the bottom of the platform support plate (1152) is welded with a plurality of rib beams (1151), and the platform support plate (1152) is provided with a plurality of rib beams (1151) and a plurality of rib beams (1151) are welded to the bottom of the platform support plate (1152). ), the rib beam (1151) is hinged to the front side of the first integral frame through a fixed bearing (1153), and the upper surface of the platform support plate (1152) is connected to the front side of the first integral frame through a movable bearing (1154) and a folding device (1155); the fixed bearing (1153) comprises a first earring welded to the first frame beam (112) at the lower end of the front side of the first integral frame, a second earring welded to the inner end of the rib beam (1151), and a hinge pin connected to the corresponding first earring and second earring; the movable bearing (1154) comprises a third earring welded to the first frame column (111) at the front side of the first integral frame, and a fourth earring welded to the upper surface of the platform support plate (1152); the folding device (1155) comprises a folding pull rod, matching earrings are provided at both ends of the folding pull rod, and connecting pins are provided between the matching earring and the third earring and the fourth earring; The drive system (12) comprises a drive controller (121) and a travel device (122); the drive controller (121) is mounted on the front side of the first encapsulated steel plate (114); the travel device (122) comprises a drive shaft (1221) mounted on the bottom of the first overall frame, the drive shaft (1221) is connected to a drive motor, drive wheels (1222) are mounted at both ends of the drive shaft (1221), and the drive motor is connected to the drive controller (121); The prefabricated floor intelligent adjustment system (13) comprises four first vertically retractable hydraulic jacks (131), six horizontally retractable hydraulic jacks (132), and a prefabricated floor size intelligent adjustment controller (133); the four first vertically retractable hydraulic jacks (131) are installed at the top four corners of the main structure (11) of the prefabricated floor intelligent adjustment vehicle, and the tops of the piston rods of the first vertically retractable hydraulic jacks (131) are connected to first flanges (134); the prefabricated floor intelligent adjustment controller (133) is configured to adjust the size of the prefabricated floor intelligent adjustment vehicle to a predetermined size. Three horizontally retractable hydraulic jacks (132) are respectively installed on the left and right sides of the main structure (11) of the section car, and the piston rod ends of the horizontally retractable hydraulic jacks (132) are connected to the second flange (135); the prefabricated bottom plate size intelligent adjustment controller (133) is installed on the front side of the first packaging steel plate (114), and the first vertically retractable hydraulic jack (131) and the horizontally retractable hydraulic jack (132) are both connected to the prefabricated bottom plate size intelligent adjustment controller (133); The prefabricated bottom plate supporting structure (14) comprises a prefabricated bottom plate supporting frame (141) and a prefabricated bottom plate supporting beam (142); steel legs are welded at the four corners of the bottom of the prefabricated bottom plate supporting frame (141), and a third flange (143) is welded at the bottom of each steel leg, and the third flange (143) is connected to the corresponding first flange (134) by bolts; a plurality of prefabricated bottom plate supporting beams (142) are welded at the top of the prefabricated bottom plate supporting frame (141), and a plurality of first stiffening ribs (144) are welded on both sides of the web of the prefabricated bottom plate supporting beam (142); The prefabricated side wall intelligent lifting vehicle main body structure (21) comprises a plurality of second frame columns (211), a plurality of second frame beams (212), a plurality of second frame diagonal braces (213), a plurality of second encapsulation steel plates (214) and a plurality of lateral connection legs (215); the plurality of second frame columns (211), the plurality of second frame beams (212) and the plurality of second frame diagonal braces (213) are welded together to form a second overall frame, and the plurality of second encapsulation steel plates (214) are encapsulated on the periphery of the second overall frame; the tops of the second frame columns (211) on both sides of the second overall frame A second frame beam (212) protrudes from the top end, and the protruding height of the second frame column (211) on the side away from the prefabricated floor intelligent adjustment vehicle (1) is greater than the protruding height of the second frame column (211) on the side close to the prefabricated floor intelligent adjustment vehicle (1). A plurality of lateral connection legs (215) are provided at the lower end of the second integral frame on the side facing the prefabricated floor intelligent adjustment vehicle (1). A fourth flange (216) is welded to the end of the lateral connection leg (215), and the fourth flange (216) is connected to the corresponding second flange (135) by bolts.

2. The intelligent assembly device for assembled rail-top air duct according to claim 1, characterized in that: Each prefabricated side wall intelligent lifting vehicle (2) has four follower universal wheels (22) at the bottom.

3. The intelligent assembly device for assembled rail-top air duct according to claim 2, characterized in that: The prefabricated side wall intelligent lifting system (23) comprises two second vertically retractable hydraulic jacks (231), two third vertically retractable hydraulic jacks (232) and a prefabricated side wall size intelligent adjustment controller (233); Two second vertically retractable hydraulic jacks (231) are mounted on the front and rear second frame beams (212) at the upper end of the second integral frame, and a fifth flange (234) is welded to the top of the piston rod of the second vertically retractable hydraulic jack (231); two third vertically retractable hydraulic jacks (232) are mounted on the front and rear sides of the top of the protruding second frame column (211) close to one side of the prefabricated bottom plate intelligent adjustment vehicle (1), and a sixth flange (235) is welded to the top of the piston rod of the third vertically retractable hydraulic jack (232); a prefabricated side wall size intelligent adjustment controller (233) is mounted on the front side of the second encapsulation steel plate (214), and the second vertically retractable hydraulic jacks (231) and the third vertically retractable hydraulic jacks (232) are both connected to the prefabricated side wall size intelligent adjustment controller (233).

4. The intelligent assembly device for assembled rail-top air duct according to claim 3 is characterized in that: The prefabricated side wall supporting structure (24) comprises a prefabricated side wall bottom supporting structure (241) and a prefabricated side wall corbel supporting structure (242); The prefabricated side wall bottom supporting structure (241) comprises a first square steel pipe (2411) and a prefabricated side wall bottom supporting beam (2412); a first connecting pipe is welded to the bottom of the first square steel pipe (2411); a seventh flange (2413) is welded to the bottom of the first connecting pipe; the seventh flange (2413) is connected to the corresponding fifth flange (234) by bolts; the prefabricated side wall bottom supporting beam (2412) is welded to the top of the first square steel pipe (2411); and a plurality of second stiffening ribs (2414) are welded to both sides of the web of the prefabricated side wall bottom supporting beam (2412); The prefabricated side wall corbel supporting structure (242) comprises a second square steel pipe (2421) and a prefabricated side wall corbel supporting beam (2422); a second connecting pipe is welded to the bottom of the second square steel pipe (2421); an eighth flange (2423) is welded to the bottom of the second connecting pipe; the eighth flange (2423) is connected to the corresponding sixth flange (235) by bolts; and the prefabricated side wall corbel supporting beam (2422) is welded to the top of the second square steel pipe (2421).

5. A method for using the assembled rail-top air duct intelligent assembly device according to claim 4, characterized in that: The steps are: S1. Lift a prefabricated bottom plate intelligent adjustment vehicle (1) and two prefabricated side wall intelligent lifting vehicles (2) to the track layer, and move the two prefabricated side wall intelligent lifting vehicles (2) to corresponding positions on both sides of the prefabricated bottom plate intelligent adjustment vehicle (1) according to the lateral dimensions of the prefabricated track top air duct; S2, adjusting the extension length of the six horizontally retractable hydraulic jacks (132) through the prefabricated bottom plate size intelligent adjustment controller (133), and fastening the second flanges (135) connected to the six horizontally retractable hydraulic jacks (132) to the fourth flanges (216) of the lateral connection legs (215) of the two prefabricated side wall intelligent lifting vehicles (2) using bolts; S3, according to the size from the bottom surface of the wall to the bottom surface of the corbel of the prefabricated rail top air duct side wall (31), the extension length of the second vertically retractable hydraulic jack (231) for lifting the bottom of the prefabricated side wall and the third vertically retractable hydraulic jack (232) for lifting the corbel of the prefabricated side wall of the two prefabricated side wall intelligent lifting vehicles (2) is adjusted through the prefabricated side wall size intelligent adjustment controller (233); S4, adjusting the extension length of the first vertically retractable hydraulic jack (131) according to the height of the bracket of the side wall (31) of the prefabricated rail top air duct through the prefabricated bottom plate size intelligent adjustment controller (133); S5, unfolding and fixing the platform support plate (1152) of the operating platform (115) by means of the folding device (1155), and the operator standing on the platform support plate (1152) and operating the driving controller (121) to drive the device to the reserved construction opening at the top of the track layer; S6. Using ground lifting equipment, lift the prefabricated rail-top air duct side wall (31) stacked on the ground site onto the prefabricated side wall intelligent lifting vehicle (2), wherein the bottom surface of the wall of the prefabricated rail-top air duct side wall (31) is placed on the prefabricated side wall bottom support beam (2412), and the bottom surface of the bracket of the prefabricated rail-top air duct side wall (31) is placed on the prefabricated side wall bracket support beam (2422); S7, using ground lifting equipment to lift the prefabricated rail-top air duct bottom plate (32) stacked on the ground site onto the prefabricated bottom plate intelligent adjustment vehicle (1), and placing the bottom surface of the prefabricated rail-top air duct bottom plate (32) on the prefabricated bottom plate support beam (142); S8, connecting the side wall (31) of the prefabricated track top air duct with the bottom plate (32) of the prefabricated track top air duct by using bolts through the reserved bolt holes of the brackets of the side wall of the prefabricated track top air duct and the reserved bolt holes (321) of the bottom plate of the prefabricated track top air duct; S9, an operator stands on the platform support plate (1152) and operates the driving controller (121) to drive the device to the position directly below the installation position of the prefabricated rail top air duct of the track layer, and uses the lifting equipment preset above the track layer top plate to lift the prefabricated rail top air duct as a whole through the longitudinal reserved steel bars (311) of the prefabricated rail top air duct side wall and install it on the track layer top plate, and the construction personnel use grouting material to fill the post-casting strip (33) between the prefabricated rail top air duct side wall (31) and the prefabricated rail top air duct bottom plate (32); S10, an operator stands on the platform support plate (1152), operates the driving controller (121) to drive the device to the reserved construction opening on the top of the track layer, and repeats steps S6 to S10 to sequentially complete the stage assembly and installation construction of the prefabricated track top air duct.

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