CN116838110B - Method for installing large-span steel truss roof lower air pipe - Google Patents
Method for installing large-span steel truss roof lower air pipe Download PDFInfo
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- CN116838110B CN116838110B CN202311118148.0A CN202311118148A CN116838110B CN 116838110 B CN116838110 B CN 116838110B CN 202311118148 A CN202311118148 A CN 202311118148A CN 116838110 B CN116838110 B CN 116838110B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 95
- 239000010959 steel Substances 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 85
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 10
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/17—Ventilation of roof coverings not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a method for installing a large-span steel truss roof lower air pipe, which comprises the following steps: step one, preparing an air pipe; step two, installing a main air pipe lifting device; step three, installing a main air pipe; step four, the main air pipe lifting device is removed; fifthly, installing a branch air pipe lifting device; step six, installing a branch air pipe; and seventhly, dismantling the air supporting pipe lifting device. The installation method omits the cost of renting large-scale hoisting equipment, saves manpower and material resources, and the main air pipe hoisting device and the branch air pipe hoisting device are built by relying on the structure of the steel truss roof, thereby saving materials and construction period, saving construction operation space and having strong applicability.
Description
Technical Field
The invention relates to the technical field of pipeline construction, in particular to a method for installing a large-span steel truss roof lower air pipe.
Background
The pipeline installation in the large space steel construction factory building, many pipelines are all installed in factory building structure's upper portion, receive factory building structure restriction, can appear when these pipelines are installed and can not directly hang the phenomenon of sending to mounted position, when concrete construction, if need these pipelines safe the hoist and mount in place, usually need hoisting equipment and lift platform cooperation can go on, not only increased construction cycle, wasted manpower and materials, still improved construction cost, increased construction risk.
At present, the structure of the existing vertical elevator is that a variable frequency motor directly pulls a lifting hopper through a speed reducer and a steel wire rope to finish the feeding process of a stirring station, but the following problems exist in equipment: 1. traction and lifting are carried out through a motor and a steel wire rope, and the movement process is unstable; 2. in order to meet the requirements of lifting, the motor has large specification and shape selection, high equipment cost and high energy consumption; 3. the working cycle of the elevator adopts a frequency converter control mode, the control performance is poor, particularly, larger impact load is generated in the starting stage and the braking stage of the elevator, the fatigue fracture of the steel wire rope is often caused, and great potential safety hazards exist; 4. cannot move horizontally. The lifting mechanisms capable of achieving vertical lifting and horizontal movement are large cranes or automobile cranes, and are large in occupied space and high in cost.
Disclosure of Invention
The invention aims to provide a method for installing a large-span steel truss roof lower air pipe, which solves the problems that a large-scale hoisting device is needed during the installation and construction of a pipeline in a large-span steel structure factory building, so that the construction period is prolonged, and manpower and material resources are wasted.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the method for installing the air duct under the large-span steel truss roof comprises the following steps of:
firstly, preparing an air pipe, namely conveying the air pipe to a construction site after finishing lofting, sectioning, numbering and manufacturing according to the requirements of a design drawing;
the air pipes are arranged at the bottom of the steel truss roof, the steel truss roof comprises a plurality of steel trusses, the air pipes comprise main air pipes and branch air pipes, the main air pipes are perpendicular to the steel trusses and are arranged in the steel trusses, the main air pipes are hung on a traveling assembly arranged on the steel trusses through a plurality of main air pipe matching assemblies, and the branch air pipes are arranged on one side of the main air pipes and are hung on hanging assemblies arranged between two adjacent steel trusses through a plurality of branch air pipe matching assemblies;
step two, installing a main air pipe lifting device, wherein the main air pipe lifting device is arranged at the bottom of a steel truss roof;
step three, the main air pipe is installed,
s0, installing a track beam, namely installing the track beam on a structural beam of the steel truss roof through a plurality of hoop assemblies;
s1, installing walking components, wherein a plurality of walking components are installed from one end of a track beam;
s2, installing main air pipe matched components, and installing at least two sets of main air pipe matched components on each section of the main air pipe;
s3, hoisting the first main air pipe section, connecting a main air pipe hoisting device with the first main air pipe section, hoisting to a preset height position, connecting the main air pipe matching component with the traveling component by an operator, and adjusting and detecting the levelness of the first main air pipe section;
s4, the first main air pipe section is in place, one end of the first main air pipe section is bound with a traction rope, and an operator pulls the traction rope on the ground, so that the position of the first main air pipe section, which is free from the main air pipe section, is used for hoisting the next main air pipe section;
s5, installing the second main air pipe section, repeatedly installing the second main air pipe section in S3, and after the second main air pipe section is hoisted, enabling an operator to seal and connect the first main air pipe section with the second main air pipe section, and after connection is completed, pulling a traction rope on the ground by the operator, so that the installed main air pipe section avoids the position of leaving one main air pipe section for hoisting the next main air pipe section;
s6, installing the rest main air pipe sections, repeating the S5 until the whole main air pipe is installed, and finally, unwinding the traction rope by an operator;
removing the main air pipe lifting device, namely removing the main air pipe lifting device from the bottom of the steel truss roof;
installing a branch air pipe lifting device, namely installing the branch air pipe lifting device along the width direction of the bottom of the steel truss roof;
step six, installing a branch air pipe,
a0, installing a hanging component, wherein each purline opposite to the branch air duct is provided with a hanging component;
a1, installing branch air pipe matched components, and installing at least two sets of branch air pipe matched components on each section of the branch air pipe;
a2, preparing before hoisting, and placing each section of the branch air pipe on the ground below the branch air pipe hoisting device according to the serial number sequence;
a3, hoisting the first branch air pipe section by using a branch air pipe hoisting device, connecting a branch air pipe matching component with two sets of hoisting components by an operator riding a crank arm vehicle until the connection of all branch air pipe matching components on the section is completed, sealing and connecting the first branch air pipe section with a main air pipe, leveling and straightening to complete the hoisting of the first branch air pipe section;
a4, hoisting the second section of branch air pipe, operating the translational branch air pipe hoisting device on the ground by an operator, and repeating the step A3 to finish hoisting the second section of branch air pipe;
a5, hoisting the rest branch air pipe sections, and repeating the step A4 until the whole branch air pipe is installed;
and seventhly, removing the air supporting pipe lifting device, and removing the air supporting pipe lifting device from the bottom of the steel truss roof.
Preferably, the hoop assembly comprises a supporting beam, a connecting plate and a U-shaped clamp, wherein the supporting beam is arranged on the bottom surface of the connecting plate, the connecting plate is fixedly arranged on the structural beam through at least two U-shaped clamps, and the track beam is fixedly arranged at the bottom of the supporting beam; the track beam is characterized in that a plurality of first connecting holes are formed in the top of the track beam, a plurality of second connecting holes are formed in the bottom of the supporting beam, and the track beam is connected with the supporting beam through the first connecting holes and the second connecting holes.
Preferably, the main air pipe lifting device comprises a first electric hoist, a mounting frame, a first chain block and a lifting piece, wherein the first electric hoist is fixedly mounted in the middle of the bottom surface of the mounting frame, lifting rings are arranged at two ends of the top surface of the mounting frame and are hung at the bottom end of the first chain block, the first chain block is hung on a structural beam positioned at the bottom of a steel truss roof through the lifting piece, and the lifting piece is a closed loop wound by a steel wire rope.
Preferably, the main air duct lifting device comprises the following installation steps:
s00, installing hanging pieces, wherein an operator carries a crank arm vehicle to hang the two hanging pieces on a structural beam below the steel truss roof;
s01, the first chain is hung on the hanging piece, and then an operator hangs the first chain on the hanging piece;
s02, hanging the installation frame on the first chain block through hanging rings;
s03, installing a first electric hoist, lowering a lifting hook of a first chain block to enable the installation frame to be lowered to the ground, and fixedly installing the first electric hoist in the middle of the bottom surface of the installation frame;
s04, the first electric hoist is in place, the lifting hook of the first chain block is lifted, the mounting frame is further lifted to a preset height, and the leveling is used for mounting a subsequent main air pipe.
Preferably, the main air pipe matching component is fixedly arranged at the bottom of the walking component and walks on the track beam through the walking component, and a main air pipe is fixed at the bottom end of the main air pipe matching component; the walking assembly comprises a connecting seat and rollers, wherein the connecting seat is of a U-shaped long groove structure, two sides of the inside of the connecting seat are symmetrically provided with the rollers respectively through a rotating shaft, a hanging hole is formed in the middle of the bottom surface of the connecting seat, the connecting seat is matched with the track Liang Xiangshi, and the connecting seat is hung at the bottom end of the track beam through the two rollers; the main air pipe matching component comprises a pipe clamp, a connecting cross rod and a connecting vertical rod, wherein the pipe clamp is a cylindrical elastic piece with an opening at the top, the opening at the top is in closed connection through the connecting cross rod, the connecting vertical rod is arranged in the middle of the connecting cross rod, the top of the connecting vertical rod is suspended in the suspension hole, a circular ring is integrally arranged at the bottom of the connecting vertical rod, and the connecting cross rod penetrates through the circular ring and is fixedly connected to the opening at the top of the pipe clamp; the pipe clamp is integrally bent by spring steel, and the main air pipe is fixed in the pipe clamp.
Preferably, the branch air pipe lifting device comprises a hanging component and a lifting component, wherein the hanging component is hung on the steel truss roof through a connecting component, one end of the hanging component is fixedly connected to the ground, the other end of the hanging component is hung with a counterweight component, and the lifting component is movably hung on a hanging section of the hanging component; the connecting assembly comprises two second chain blocks, and the two second chain blocks are hung at two corners of the top of the steel truss roof; the hanging assembly comprises two first pulleys and a cable, the two first pulleys are respectively hung on the two second chain blocks, the cable is wound on the two first pulleys in a penetrating way, and the cable between the two first pulleys is the hanging section; one end of the mooring rope is connected with the counterweight component in a hanging way through a third chain block, and the other end of the mooring rope is fixedly connected to the ground through an anchor point; the lifting assembly comprises a second electric hoist, a cross beam, traction ropes and hanging pulleys, wherein a plurality of hanging pulleys are arranged at the top of the cross beam at intervals, one traction rope is respectively arranged at two sides of the cross beam, the bottom of the cross beam is fixedly provided with the second electric hoist, the hanging pulleys are hung on the hanging section, the hanging pulleys comprise the second pulleys, hooks and mounting seats, the second pulleys are wheels with grooves and are rotatably mounted on the mounting seats, the bottom of the mounting seat is provided with hooks, and the second electric hoist is provided with connecting rings which are hung on the hooks; the counterweight assembly comprises a fixed water tank and a movable water tank, the fixed water tank is fixed on the ground, the movable water tank is hung at one end of the cable, and the movable water tank is communicated with the fixed water tank through a water supply pipe and a water drain pipe; the water supply pipe and the water drain pipe are made of flexible pipes; a water pump is arranged on the water supply pipe; an electromagnetic valve is arranged on the drain pipe; the main structure of anchor point is the type of falling U, hawser one end ligature is on the anchor point.
Preferably, in the fifth step, the installing step of the air supporting pipe lifting device comprises the following steps:
the two corners of the bottom of the steel truss roof are respectively connected with a second chain block in a hanging mode, the two second chain blocks are respectively connected with a first pulley in a hanging mode, one end of a mooring rope is bound on an anchor point anchored on the ground, the other end of the mooring rope sequentially bypasses the two first pulley blocks and then is fixedly connected with a third chain block, the third chain block is connected with a movable water tank in a hanging mode, and a lifting assembly is connected with a hanging section of the mooring rope in a hanging mode.
Preferably, in the sixth step, the step of hoisting each section of the branch air pipe by using the branch air pipe hoisting device comprises the following steps:
a00, pulling the hand zippers of the two second chain blocks by an operator, lifting the first pulleys while lifting the second chain blocks, so that the cables wound on the two first pulleys are lifted, and the movable water tank leaves the ground until the first pulleys are lifted to a preset height;
a01, starting a water pump, filling water in a fixed water tank into a movable water tank, and along with the increase of the water quantity in the movable water tank, lowering the height of the movable water tank so as to tension a cable and simultaneously pulling a hand chain of a third chain to enable the movable water tank to be always higher than the fixed water tank until the cable is straightened, stopping the water pump, and enabling a lifting assembly to be at a preset height;
a02, applying certain horizontal force to traction ropes arranged at two ends of the cross beam, horizontally moving the cross beam and the second electric hoist along a cable, and respectively conveying each section of the branch air pipe hung below the second electric hoist to a preset place.
Preferably, the hooking component comprises a channel steel transition piece, a hanging rod and a clamping clamp, wherein the clamping clamp is of a clamping groove structure matched with purlines arranged on a steel truss roof, the clamping clamp is connected to the bottom surface of the purlines in a clamping mode, the channel steel transition piece is movably connected to the bottom of the clamping clamp through the hanging rod, the hanging rod is of a rod-shaped structure with a circular ring at one end and an external thread at the other end, and the purlines are made of H-shaped steel.
Preferably, the branch air pipe matching assembly comprises a suspender and a branch air pipe clamp, the branch air pipe clamp is of a round frame structure with lifting lugs at two sides adapted to the branch air pipe, two sides of the branch air pipe clamp are connected with the channel steel transition piece through the suspender, and the suspender is in direct threaded connection with the branch air pipe clamp.
According to the invention, the main air pipe is lifted by sections by the main air pipe lifting device, the branch air pipe is lifted by sections by the branch air pipe lifting device, the construction for building large lifting equipment is omitted, manpower and material resources are saved, the main air pipe lifting device and the branch air pipe lifting device are built by relying on a steel truss roof steel structure, materials and construction period are saved, the construction operation space is saved, and the applicability is strong.
The walking assembly has the dual functions of hoisting and transportation, and the connecting seat provided with the roller is not only a hoisting point of a pipeline, but also a horizontal transportation tool of the pipeline.
The pipe clamp is an elastic piece, can meet the installation and connection of pipelines within a certain diameter range, and has strong adaptability.
The anchor ear assembly can realize nondestructive connection, and is convenient to install.
The counterweight assembly is used as a counterweight structure of the cable, and the cable is subjected to stepless regulation by means of gravity of water in the movable water tank, so that the operation height of the lifting assembly is regulated, the application range is wide, the occupied space is small, the cost is low, and the electric energy and the fuel energy consumption are reduced.
The movable water tank and the fixed water tank are connected by adopting a hose, and the movable water tank is lifted to a certain height during operation, so that the movable water tank has a certain movable range in height, the movable water tank is ensured to play a role of a balancing weight, and the tensioning effect on a mooring rope can be realized.
A third chain block is arranged between the mooring rope and the water tank so as to maintain the elevation of the movable water tank relatively stable and prevent the movable water tank from being too high, thereby affecting water supply.
The cable is used as a bearing member of the lifting assembly, so that the cost is low, the installation and the use are convenient, the operation interval and the space are not limited.
The horizontal movement of the cross beam and the electric hoist is pulled by the traction rope, and when the rope has a gradient, the horizontal movement of the crane is not affected.
The crossbeam depends on the hanging pulley to hang on the hawser, and the hanging pulley not only can realize hanging but also can help the horizontal migration of hoisting assembly, combines the vertical motion of hoisting assembly, has realized the hoist and mount of branch air pipe, and the suitability is strong.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view in partial cross-section of another view of the overall structure of the present invention;
FIG. 3 is a schematic view of a portion of the structure of the present invention;
FIG. 4 is a schematic view of another part of the structure of the present invention;
FIG. 5 is a schematic view of the walking assembly of the present invention;
FIG. 6 is a schematic view of a counterweight assembly of the present invention;
FIG. 7 is a schematic view of a lift assembly according to the present invention;
FIG. 8 is a schematic view of a hitching pulley of the present invention;
FIG. 9 is a schematic view of a hoist assembly according to the present invention;
FIG. 10 is a schematic view of the structure of the branch duct kit according to the present invention;
in the figure: 0. steel truss roof; 1. an air duct; 2. a walking assembly; 3. a main air pipe matching component; 4. a rail beam; 5. the anchor ear assembly; 6. a main air pipe lifting device; 7. a branch air pipe lifting device; 8. a branch air pipe matching component; 9. a hoist assembly; 01. purlin; 10. a main air pipe; 11. a branch air pipe; 20. a connecting seat; 21. a roller; 23. a hanging hole; 30. a pipe clamp; 31. connecting the cross bars; 32. connecting a vertical rod; 50. a corbel; 51. a connecting plate; 52. a U-shaped card; 60. a first electric hoist; 61. a mounting frame; 62. a first guide chain; 63. a hanging piece; 70. a hitching assembly; 71. a lifting assembly; 72. a connection assembly; 73. a counterweight assembly; 80. a boom; 81. a branch pipe clamp; 90. a channel steel transition piece; 91. a connecting rod is hung; 92. clamping; 700. a first pulley; 701. a cable; 702. a third chain block; 703. an anchor point; 710. a second electric hoist; 711. a cross beam; 712. a traction rope; 713. a pulley is hung; 720. a second chain block; 730. fixing the water tank; 731. a movable water tank; 732. a water supply pipe; 733. a drain pipe; 734. a water pump; 735. an electromagnetic valve; 7130. a second pulley; 7131. a hook; 7132. and (5) a mounting seat.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the method for installing the air duct under the large-span steel truss roof as shown in fig. 1 and 2 comprises the following steps:
firstly, preparing an air pipe 1, and conveying the air pipe 1 to a construction site after finishing lofting, sectioning, numbering and manufacturing according to the requirements of a design drawing;
the air pipe 1 is arranged at the bottom of the steel truss roof 0, the steel truss roof 0 comprises a plurality of steel trusses, the air pipe 1 comprises a main air pipe 10 and branch air pipes 11, the main air pipe 10 is perpendicular to the steel trusses and is arranged in the steel trusses, the main air pipe 10 is hung on a traveling component 2 arranged on the steel trusses through a plurality of main air pipe matching components 3, the branch air pipe 11 is arranged on one side of the main air pipe 10 and is hung on a hanging component 9 arranged between two adjacent steel trusses through a plurality of branch air pipe matching components 8;
step two, installing a main air pipe lifting device 6, and installing the main air pipe lifting device 6 at the bottom of the steel truss roof 0; in this example, the main air duct lifting device 6 includes a first electric hoist 60, a mounting frame 61, a first chain block 62 and a lifting member 63, the first electric hoist 60 is fixedly installed in the middle of the bottom surface of the mounting frame 61, two ends of the top surface of the mounting frame 61 are provided with lifting rings, the lifting rings are hung at the bottom end of the first chain block 62, the first chain block 62 is suspended on a structural beam positioned at the bottom of the steel truss roof 0 through the lifting member 63, and the lifting member 63 is a closed loop formed by a steel wire rope;
the main air pipe lifting device 6 comprises the following installation steps:
s00, installing the hanging pieces 63, and carrying a crank arm vehicle by an operator to hang the two hanging pieces 63 on a structural beam below the steel truss roof 0;
s01, the first chain block 62 is hung, and then an operator hangs the first chain block 62 on the hanging piece 63;
s02, hanging the mounting frame 61, and hanging the mounting frame 61 on the first chain block 62 through hanging rings;
s03, mounting a first electric hoist 60, lowering a lifting hook of a first chain block 62 to enable a mounting frame 61 to be lowered to the ground, and fixedly mounting the first electric hoist 60 in the middle of the bottom surface of the mounting frame 61;
s04, the first electric hoist 60 is in place, the lifting hook of the first chain block 62 is lifted, the mounting frame 61 is lifted to a preset height, and the leveling is used for mounting a subsequent main air pipe;
step three, the main air duct 10 is installed,
s0, installing a track beam 4, wherein the track beam 4 is installed on a structural beam of a steel truss roof 0 through a plurality of anchor ear assemblies 5; in this example, as shown in fig. 3, the hoop assembly 5 includes a supporting beam 50, a connecting plate 51 and a U-shaped card 52, the supporting beam 50 is disposed on the bottom surface of the connecting plate 51, the connecting plate 51 is fixedly mounted on the structural beam through at least two U-shaped cards 52, and the track beam 4 is fixedly mounted on the bottom of the supporting beam 50; the top of the track beam 4 is provided with a plurality of first connecting holes, the bottom of the supporting beam 50 is provided with a plurality of second connecting holes, and the track beam 4 is connected with the supporting beam 50 through the first connecting holes and the second connecting holes;
s1, installing the walking components 2, and installing a plurality of walking components 2 from one end of a track beam 4;
s2, installing main air pipe matched assemblies 3, and installing at least two sets of main air pipe matched assemblies 3 on each section of a main air pipe 10; in this example, as shown in fig. 4 and 5, a main air duct matching assembly 3 is fixedly installed at the bottom of a walking assembly 2, and walks on a track beam 4 through the walking assembly 2, and a main air duct is fixed at the bottom end of the main air duct matching assembly 3; the walking assembly 2 comprises a connecting seat 20 and rollers 21, wherein the connecting seat 20 is of a U-shaped long groove structure, two rollers 21 are symmetrically arranged on two sides of the inside of the connecting seat 20 through a rotating shaft respectively, a hanging hole 23 is arranged in the middle of the bottom surface of the connecting seat 20, the connecting seat 20 is matched with the track beam 4, and the connecting seat 20 is hung at the bottom end of the track beam 4 through the two rollers 21; the main air pipe matching component 3 comprises a pipe clamp 30, a connecting cross rod 31 and a connecting vertical rod 32, wherein the pipe clamp 30 is a cylindrical elastic piece with an opening at the top, the opening at the top is in closed connection through the connecting cross rod 31, the connecting vertical rod 32 is arranged in the middle of the connecting cross rod 31, the top of the connecting vertical rod 32 is hung in a hanging hole 23, a circular ring is integrally arranged at the bottom of the connecting vertical rod 32, and the connecting cross rod 31 penetrates through the circular ring and is fixedly connected at the opening at the top of the pipe clamp 30. The pipe clamp 30 is integrally bent by spring steel, and the main air pipe 10 is fixed in the pipe clamp 30;
s3, hoisting the first main air pipe section, connecting a main air pipe hoisting device 6 with the first main air pipe section, hoisting to a preset height position, connecting a main air pipe matching assembly 3 with a traveling assembly 2 by an operator riding a crank arm vehicle, and adjusting and detecting the levelness of the first main air pipe section;
s4, the first main air pipe section is in place, one end of the first main air pipe section is bound with a traction rope, and an operator pulls the traction rope on the ground, so that the position of the first main air pipe section, which is free from the main air pipe section, is used for hoisting the next main air pipe section;
s5, installing the second main air pipe section, repeating the step S3, after the second main air pipe section is hoisted, carrying a crank arm vehicle by an operator to hermetically connect the first main air pipe section and the second main air pipe section, and after the connection is completed, pulling a traction rope on the ground by the operator, so that the installed main air pipe section is prevented from leaving the position of the first main air pipe section for hoisting the next main air pipe section;
s6, installing the rest main air pipe sections, repeating S5 until the whole main air pipe 10 is installed, and finally, taking the crank arm vehicle by an operator to unwind the traction rope;
removing the main air pipe lifting device 6, and removing the main air pipe lifting device 6 from the bottom of the steel truss roof 0;
fifthly, installing a branch air pipe lifting device 7, and installing the branch air pipe lifting device 7 along the right upper part of the branch air pipe; in this example, as shown in fig. 6, 7 and 8, the air duct lifting device 7 includes a hanging component 70 and a lifting component 71, the hanging component 70 is hung on the steel truss roof 0 through a connecting component 72, one end of the hanging component 70 is fixedly connected to the ground, the other end is hung with a counterweight component 73, and the hanging section of the hanging component 70 is movably hung with the lifting component 71; the connection assembly 72 comprises two second chain links 720, wherein the two second chain links 720 are hung at two corners of the top of the steel truss roof 0; the hooking component 70 comprises two first pulleys 700 and a cable 701, wherein the two first pulleys 700 are respectively hooked on the two second chain links 720, the cable 701 is wound on the two first pulleys 700, and the cable 701 positioned between the two first pulleys 700 is a hooking section; one end of a cable 701 is connected with a counterweight assembly 73 in a hanging way through a third chain block 702, and the other end of the cable is fixedly connected to the ground through an anchor point 703;
the lifting assembly 71 comprises a second electric hoist 710, a cross beam 711, a traction rope 712 and a hanging pulley 713, wherein a plurality of hanging pulleys 713 are arranged at the top of the cross beam 711 at intervals, one traction rope 712 is respectively arranged at two sides of the cross beam 711, the traction rope 712 bypasses a third fixed pulley arranged at two sides of the bottom of the steel truss roof 0 so as to facilitate the force application traction of operators, when the lifting assembly 71 is positioned at a preset position, two ends of the traction rope 712 can be bound on an anchor 703 fixed on a foundation ground or fixed by adding an equal weight, the bottom of the cross beam 711 is fixedly provided with the second electric hoist 710, the hanging pulley 713 is hung on a hanging section, the hanging pulley 713 comprises a second pulley 7130, a hook 7131 and a mounting seat 7132, the second pulley 7130 is a wheel with a groove and is rotatably mounted on the mounting seat 7132, the bottom of the mounting seat 7132 is provided with a hook 7131, and the second electric hoist 710 is provided with a connecting ring which is hung on the hook 7131; the counterweight assembly 73 comprises a fixed water tank 730 and a movable water tank 731, the fixed water tank 730 is fixed on the ground, the movable water tank 731 is hung at one end of the cable 701, and the movable water tank 731 is communicated with the fixed water tank 730 through a water supply pipe 732 and a water drain pipe 733; the water supply pipe 732 and the drain pipe 733 are made of flexible pipes; a water pump 734 is provided on the water supply pipe 732; a solenoid valve 735 is provided in the drain pipe 733; the main structure of the anchor point 703 is in an inverted U shape, and one end of the cable 701 is bound on the anchor point 703;
installing a branch air pipe lifting device 7:
a second chain block 720 is respectively hung at two corners of the bottom of the steel truss roof 0, a first pulley block 700 is respectively hung on the two second chain blocks 720, one end of a cable 701 is bound on an anchor point 703 anchored on the ground, the other end of the cable 701 sequentially bypasses the two first pulley blocks 700 and is fixedly connected with a third chain block 702, a movable water tank 731 is hung on the third chain block 702, and a lifting assembly 71 is hung on a hanging section of the cable 701;
step six, installing the branch air pipe 11,
a0, installing a hanging component 9, and installing a hanging component 9 on each purline right above the branch air pipe; in this example, as shown in fig. 9, the hanging component 9 includes a channel steel transition piece 90, a hanging rod 91 and a clamping clip 92, the clamping clip 92 is of a clamping groove structure adapted to a purline arranged on the steel truss roof 0, and is clamped on the bottom surface of the purline, the channel steel transition piece 90 is movably connected to the bottom of the clamping clip 92 through the hanging rod 91, the hanging rod is of a rod-shaped structure with a circular ring at one end and an external thread at the other end, and the purline is made of H-shaped steel;
a1, installing branch air pipe matched assemblies 8, and installing at least two sets of branch air pipe matched assemblies 8 on each section of a branch air pipe 11; in this example, as shown in fig. 10, the branch air pipe matching component 8 comprises a boom 80 and a branch pipe clamp 81, the branch pipe clamp 81 is a round frame structure with lifting lugs at two sides, which is matched with the branch air pipe, two sides of the branch pipe clamp 81 are connected with a channel steel transition piece 90 through the boom 80, and the boom 80 is directly connected with the branch pipe clamp 81 in a threaded manner for leveling the branch air pipe;
a2, preparing before hoisting, and placing each section of the branch air pipe 11 on the ground below the branch air pipe hoisting device 7 according to the serial number sequence;
a3, hoisting the first branch air pipe section by using a branch air pipe hoisting device 7, connecting a branch air pipe matching component 8 with two sets of hoisting components 9 by an operator by taking a crank arm vehicle until the connection of all branch air pipe matching components 8 on the section is completed, hermetically connecting the first branch air pipe section with a main air pipe 10, leveling and straightening to complete the hoisting of the first branch air pipe section;
a4, hoisting the second section of branch air pipe, operating the translational branch air pipe hoisting device 7 on the ground by an operator, and repeating the step A3 to finish hoisting the second section of branch air pipe;
a5, hoisting the rest branch air pipe sections, and repeating the step A4 until the whole branch air pipe 11 is installed;
in this example, the supporting air pipe lifting device 7 lifts the supporting air pipe 11 in each section:
a00, pulling the hand chains of the two second chain blocks 720 by an operator, lifting the second chain blocks 720 and simultaneously lifting the first pulleys 700, so that the cables 701 wound around the two first pulleys 700 are lifted, and the movable water tank 731 is separated from the ground until the first pulleys 700 are lifted to a predetermined height;
a01, starting a water pump 734 to pour water in the fixed water tank 730 into the movable water tank 731, and along with the increase of the water amount in the movable water tank 731, lowering the height of the movable water tank 731 so as to tension the cable 701, and simultaneously pulling a hand zipper of the third chain block 702 to keep the movable water tank 731 higher than the fixed water tank 730 all the time until the cable 701 is straightened, the water pump 734 is stopped, and the lifting assembly 71 is at a preset height;
a02, applying a certain horizontal force to the traction ropes 712 arranged at the two ends of the cross beam 711, horizontally moving the cross beam 711 and the second electric hoist 710 along the cable 701, and respectively conveying each section of the branch air pipe hung below the second electric hoist 710 to a preset place;
and seventhly, removing the air supporting pipe lifting device 7, and removing the air supporting pipe lifting device 7 from the bottom of the steel truss roof 0.
The above embodiments are only a few descriptions of the inventive concept and implementation, and are not limited thereto, and the technical solutions without substantial transformation remain within the scope of protection under the inventive concept.
Claims (10)
1. The method for installing the air duct under the large-span steel truss roof is characterized by comprising the following steps of:
firstly, preparing an air pipe (1), and conveying the air pipe (1) to a construction site after finishing lofting, sectioning, numbering and manufacturing according to the requirements of a design drawing;
the air pipe (1) is arranged at the bottom of a steel truss roof (0), the steel truss roof (0) comprises a plurality of steel trusses, the air pipe (1) comprises a main air pipe (10) and branch air pipes (11), the main air pipe (10) is perpendicular to the steel trusses and is arranged inside the steel trusses, the main air pipe (10) is hung on a traveling assembly (2) arranged on the steel trusses through a plurality of main air pipe matching assemblies (3), and the branch air pipe (11) is arranged on one side of the main air pipe (10) and is hung on a hanging assembly (9) arranged between two adjacent steel trusses through a plurality of branch air pipe matching assemblies (8);
step two, installing a main air pipe lifting device (6), and installing the main air pipe lifting device (6) at the bottom of the steel truss roof (0);
step three, the main air pipe (10) is installed,
s0, installing a track beam (4), and installing the track beam (4) on a structural beam of the steel truss roof (0) through a plurality of anchor ear assemblies (5);
s1, installing the walking components (2), and installing a plurality of walking components (2) from one end of a track beam (4);
s2, installing main air pipe matched assemblies (3), and installing at least two sets of main air pipe matched assemblies (3) on each section of a main air pipe (10);
s3, hoisting the first main air pipe section, connecting a main air pipe hoisting device (6) with the first main air pipe section, hoisting to a preset height position, connecting the main air pipe matching assembly (3) with the traveling assembly (2) by an operator, and adjusting and detecting the levelness of the first main air pipe section;
s4, the first main air pipe section is in place, one end of the first main air pipe section is bound with a traction rope, and an operator pulls the traction rope on the ground, so that the position of the first main air pipe section, which is free from the main air pipe section, is used for hoisting the next main air pipe section;
s5, installing the second main air pipe section, repeatedly installing the second main air pipe section in S3, and after the second main air pipe section is hoisted, enabling an operator to seal and connect the first main air pipe section with the second main air pipe section, and after connection is completed, pulling a traction rope on the ground by the operator, so that the installed main air pipe section avoids the position of leaving one main air pipe section for hoisting the next main air pipe section;
s6, installing the rest main air pipe sections, repeating the step S5 until the whole main air pipe (10) is installed, and finally, unwinding the traction rope by an operator;
removing the main air pipe lifting device (6), and removing the main air pipe lifting device (6) from the bottom of the steel truss roof (0);
installing a branch air pipe lifting device (7), and installing the branch air pipe lifting device (7) along the width direction of the bottom of the steel truss roof (0);
step six, installing a branch air pipe (11),
a0, installing a hanging component (9), and installing a hanging component (9) on each purline (01) opposite to the branch air pipe;
a1, installing branch air pipe matched assemblies (8), and installing at least two sets of branch air pipe matched assemblies (8) on each section of a branch air pipe (11);
a2, preparing before hoisting, and placing each section of the branch air pipe (11) on the ground below the branch air pipe hoisting device (7) according to the serial number sequence;
a3, hoisting the first branch air pipe section by using a branch air pipe hoisting device (7), connecting a branch air pipe matching component (8) with two sets of hoisting components (9) by an operator by taking a crank arm vehicle until the connection of all branch air pipe matching components (8) on the section is completed, sealing and connecting the first branch air pipe section with a main air pipe, leveling and straightening to complete the hoisting of the first branch air pipe section;
a4, hoisting the second section of branch air pipe, operating the translational branch air pipe hoisting device (7) on the ground by an operator, and repeating the step A3 to finish hoisting the second section of branch air pipe;
a5, hoisting the rest branch air pipe sections, and repeating the step A4 until the whole branch air pipe (11) is installed;
and seventhly, removing the air supporting pipe lifting device (7), and removing the air supporting pipe lifting device (7) from the bottom of the steel truss roof (0).
2. The method for installing a large-span steel truss roof downwind pipe according to claim 1, wherein: the anchor ear assembly (5) comprises a supporting beam (50), a connecting plate (51) and U-shaped clamps (52), wherein the supporting beam (50) is arranged on the bottom surface of the connecting plate (51), the connecting plate (51) is fixedly arranged on the structural beam through at least two U-shaped clamps (52), and the track beam (4) is fixedly arranged at the bottom of the supporting beam (50); a plurality of first connecting holes are formed in the top of the track beam (4), a plurality of second connecting holes are formed in the bottom of the supporting beam (50), and the track beam (4) is connected with the supporting beam (50) through the first connecting holes and the second connecting holes.
3. The method for installing a large-span steel truss roof downwind pipe according to claim 1, wherein: main tuber pipe hoisting accessory (6) are including first electric block (60), mounting bracket (61), first chain block (62) and lifting part (63), first electric block (60) fixed mounting is in mounting bracket (61) bottom surface middle part mounting bracket (61) top surface both ends all are provided with a rings, and this rings articulates in first chain block (62) bottom, and first chain block (62) are located through lifting part (63) on the structural beam of steel truss roof (0) bottom, lifting part (63) are the closed loop of being wound by wire rope.
4. A method of installing a large span steel truss roof down wind pipe according to claim 3, characterized in that the main wind pipe lifting device (6) is installed as follows:
s00, installing the hanging pieces (63), and carrying a crank arm vehicle by an operator to hang the two hanging pieces (63) on a structural beam below the steel truss roof (0);
s01, the first chain block (62) is hung, and then an operator hangs the first chain block (62) on the hanging piece (63);
s02, hanging the installation frame (61), and hanging the installation frame (61) on the first chain block (62) through hanging rings;
s03, installing a first electric hoist (60), lowering a lifting hook of a first chain block (62) to enable the installation frame (61) to be lowered to the ground, and fixedly installing the first electric hoist (60) in the middle of the bottom surface of the installation frame (61);
s04, the first electric hoist (60) is in place, the lifting hook of the first chain block (62) is lifted, the mounting frame (61) is lifted to a preset height, and the leveling is used for mounting a subsequent main air pipe.
5. The method for installing a large-span steel truss roof downwind pipe according to claim 1, wherein: the main air pipe matching assembly (3) is fixedly arranged at the bottom of the walking assembly (2) and walks on the track beam (4) through the walking assembly (2), and a main air pipe is fixed at the bottom end of the main air pipe matching assembly (3); the walking assembly (2) comprises a connecting seat (20) and rollers (21), wherein the connecting seat (20) is of a U-shaped long groove structure, two rollers (21) are symmetrically arranged on two sides of the inside of the connecting seat (20) through a rotating shaft respectively, a hanging hole (23) is formed in the middle of the bottom surface of the connecting seat (20), the connecting seat (20) is matched with the track beam (4), and the connecting seat (20) is hung at the bottom end of the track beam (4) through two rollers (21); the main air pipe matching assembly (3) comprises a pipe clamp (30), a connecting cross rod (31) and a connecting vertical rod (32), wherein the pipe clamp (30) is a cylindrical elastic piece with an opening at the top, the opening at the top is in closed connection through the connecting cross rod (31), the connecting vertical rod (32) is arranged in the middle of the connecting cross rod (31), the top of the connecting vertical rod (32) is suspended in the suspension hole (23), a circular ring is integrally arranged at the bottom of the connecting vertical rod (32), and the connecting cross rod (31) penetrates through the circular ring and is fixedly connected to the opening at the top of the pipe clamp (30); the pipe clamp (30) is integrally bent and made of spring steel, and the main air pipe (10) is fixed in the pipe clamp (30).
6. The method for installing a large-span steel truss roof downwind pipe according to claim 1, wherein: the branch air pipe lifting device (7) comprises a hanging component (70) and a lifting component (71), wherein the hanging component (70) is hung on the steel truss roof (0) through a connecting component (72), one end of the hanging component (70) is fixedly connected to the ground, the other end of the hanging component is hung with a counterweight component (73), and the lifting component (71) is movably hung on a hanging section of the hanging component (70); the connecting assembly (72) comprises two second chain blocks (720), and the two second chain blocks (720) are hung at two corners of the top of the steel truss roof (0); the hooking component (70) comprises two first pulleys (700) and a cable (701), wherein the two first pulleys (700) are respectively hooked on the two second chain blocks (720), the cable (701) is wound on the two first pulleys (700), and the cable (701) positioned between the two first pulleys (700) is the hooking section; one end of the cable (701) is connected with the counterweight assembly (73) in a hanging way through a third chain block (702), and the other end of the cable is fixedly connected to the ground through an anchor point (703); the lifting assembly (71) comprises a second electric hoist (710), a cross beam (711), traction ropes (712) and hanging pulleys (713), wherein a plurality of hanging pulleys (713) are arranged at the top of the cross beam (711) at intervals, one traction rope (712) is respectively arranged at two sides of the cross beam (711), the second electric hoist (710) is fixedly arranged at the bottom of the cross beam (711), the hanging pulleys (713) are hung on the hanging section, each hanging pulley (713) comprises a second pulley (7130), a hook (7131) and a mounting seat (7132), each second pulley (7130) is a wheel with a groove, the second pulley is rotatably arranged on the mounting seat (7132), a hook (7131) is arranged at the bottom of each mounting seat (7132), and a connecting ring is arranged on each second electric hoist (710) and is hung on each hook (7131); the counterweight assembly (73) comprises a fixed water tank (730) and a movable water tank (731), the fixed water tank (730) is fixed on the ground, the movable water tank (731) is hung at one end of the cable (701), and the movable water tank (731) is communicated with the fixed water tank (730) through a water supply pipe (732) and a water drain pipe (733); the water supply pipe (732) and the drain pipe (733) are made of flexible pipes; a water pump (734) is provided on the water supply pipe (732); a solenoid valve (735) is provided on the drain pipe (733); the main body structure of the anchor point (703) is in an inverted U shape, and one end of the cable (701) is bound on the anchor point (703).
7. The method for installing the large-span steel truss roof lower air duct according to claim 6, wherein the step five is characterized in that the step of installing the branch air duct lifting device (7) comprises the following steps:
two corners at the bottom of a steel truss roof (0) are respectively connected with a second chain block (720) in a hanging mode, two second chain blocks (720) are respectively connected with a first pulley (700) in a hanging mode, one end of a cable (701) is bound on an anchor point (703) anchored on the ground, the other end of the cable sequentially bypasses the two first pulley blocks (700) and then is fixedly connected with a third chain block (702), a movable water tank (731) is connected to the third chain block (702) in a hanging mode, and a lifting assembly (71) is connected to the hanging section of the cable (701) in a hanging mode.
8. The method for installing the large-span steel truss roof lower air duct according to claim 6 or 7, wherein the step six of lifting each section of the air duct by the air duct lifting device (7) is as follows:
a00, pulling the guide ropes of the two second chain blocks (720) by an operator, lifting the first pulleys (700) while lifting the second chain blocks (720), so that the cables (701) wound on the two first pulleys (700) are lifted, and the movable water tank (731) is separated from the ground until the first pulleys (700) are lifted to a preset height;
a01, starting a water pump (734), filling water in a fixed water tank (730) into a movable water tank (731), along with the increase of the water quantity in the movable water tank (731), lowering the height of the movable water tank (731) so as to tension a cable (701), and simultaneously pulling a hand chain of a third chain (702) to enable the movable water tank (731) to be always kept higher than the fixed water tank (730) until the cable (701) is straightened, stopping the water pump (734), and enabling a lifting assembly (71) to be at a preset height;
a02, a certain horizontal force is applied to traction ropes (712) arranged at two ends of a cross beam (711), the cross beam (711) and the second electric hoist (710) horizontally move along a cable (701), and each section of the branch air pipe hung below the second electric hoist (710) is respectively conveyed to a preset place.
9. The method for installing a large-span steel truss roof downwind pipe according to claim 1, wherein: the hanging assembly (9) comprises a channel steel transition piece (90), a hanging rod (91) and a clamping clamp (92), wherein the clamping clamp (92) is of a clamping groove structure matched with a purline (01) arranged on a steel truss roof (0), the clamping clamp is clamped to the bottom surface of the purline (01), the channel steel transition piece (90) is movably connected to the bottom of the clamping clamp (92) through the hanging rod (91), the hanging rod (91) is of a rod-shaped structure with a circular ring at one end and an external thread at the other end, and the purline (01) is made of H-shaped steel.
10. The method of installing a large span steel truss rooftop downwind pipe as recited in claim 9, wherein: the branch pipe supporting assembly (8) comprises a suspender (80) and a branch pipe clamp (81), the branch pipe clamp (81) is of a round frame structure with lifting lugs at two sides, which are matched with the branch pipe, two sides of the branch pipe clamp (81) are connected with the channel steel transition piece (90) through the suspender (80), and the suspender (80) is in direct threaded connection with the branch pipe clamp (81).
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003343200A (en) * | 2002-05-24 | 2003-12-03 | Taisei Corp | Apparatus and method for moving air duct |
| CN104747799A (en) * | 2015-03-24 | 2015-07-01 | 上海市安装工程集团有限公司 | Installing device and method for spiral air hoses in ultra high and large space truss |
| CN104763157A (en) * | 2015-04-14 | 2015-07-08 | 中建安装工程有限公司 | Large stadium pipe truss and spiral duct modularization installation method and combination structure |
| CN107902545A (en) * | 2017-11-29 | 2018-04-13 | 南通市中南建工设备安装有限公司 | A kind of riding track air hose lifting construction device and construction |
| CN110565903A (en) * | 2019-09-12 | 2019-12-13 | 中建八局第二建设有限公司 | construction method of large air pipe in steel structure net rack |
| CN111400804A (en) * | 2020-03-23 | 2020-07-10 | 中电建十一局工程有限公司 | Prefabrication, installation and construction method of large air pipe under BIM model |
| CN111779229A (en) * | 2020-07-24 | 2020-10-16 | 中电环宇（北京）建设工程有限公司 | Construction and installation method of large-scale ventilating duct |
| CN113565332A (en) * | 2021-09-08 | 2021-10-29 | 中建八局第二建设有限公司 | Roof steel structure and air pipe synchronous sliding construction method |
| CN113775828A (en) * | 2021-08-23 | 2021-12-10 | 中国电建集团华东勘测设计研究院有限公司 | Air pipe mounting support and air pipe mounting method |
| CN115507222A (en) * | 2022-10-19 | 2022-12-23 | 中建四局机电安装有限公司 | Air pipe installation device and installation method |
| CN116425093A (en) * | 2023-03-30 | 2023-07-14 | 中国一冶集团有限公司 | Indoor air duct installation and maintenance device and construction method |
| CN116518149A (en) * | 2023-05-24 | 2023-08-01 | 中国十七冶集团有限公司 | Pairing translation installation method for large-diameter dust removal pipeline of steel structure factory building roof |
-
2023
- 2023-09-01 CN CN202311118148.0A patent/CN116838110B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003343200A (en) * | 2002-05-24 | 2003-12-03 | Taisei Corp | Apparatus and method for moving air duct |
| CN104747799A (en) * | 2015-03-24 | 2015-07-01 | 上海市安装工程集团有限公司 | Installing device and method for spiral air hoses in ultra high and large space truss |
| CN104763157A (en) * | 2015-04-14 | 2015-07-08 | 中建安装工程有限公司 | Large stadium pipe truss and spiral duct modularization installation method and combination structure |
| CN107902545A (en) * | 2017-11-29 | 2018-04-13 | 南通市中南建工设备安装有限公司 | A kind of riding track air hose lifting construction device and construction |
| CN110565903A (en) * | 2019-09-12 | 2019-12-13 | 中建八局第二建设有限公司 | construction method of large air pipe in steel structure net rack |
| CN111400804A (en) * | 2020-03-23 | 2020-07-10 | 中电建十一局工程有限公司 | Prefabrication, installation and construction method of large air pipe under BIM model |
| CN111779229A (en) * | 2020-07-24 | 2020-10-16 | 中电环宇（北京）建设工程有限公司 | Construction and installation method of large-scale ventilating duct |
| CN113775828A (en) * | 2021-08-23 | 2021-12-10 | 中国电建集团华东勘测设计研究院有限公司 | Air pipe mounting support and air pipe mounting method |
| CN113565332A (en) * | 2021-09-08 | 2021-10-29 | 中建八局第二建设有限公司 | Roof steel structure and air pipe synchronous sliding construction method |
| CN115507222A (en) * | 2022-10-19 | 2022-12-23 | 中建四局机电安装有限公司 | Air pipe installation device and installation method |
| CN116425093A (en) * | 2023-03-30 | 2023-07-14 | 中国一冶集团有限公司 | Indoor air duct installation and maintenance device and construction method |
| CN116518149A (en) * | 2023-05-24 | 2023-08-01 | 中国十七冶集团有限公司 | Pairing translation installation method for large-diameter dust removal pipeline of steel structure factory building roof |
Non-Patent Citations (2)
| Title |
|---|
| 超高空钢结构风管安装施工工艺;李卫国;;天津建设科技(第06期);20-21 * |
| 钢桁架悬挂平台在超高大空间风管安装中的运用;华婷;;安装(第08期);35-38 * |
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