CN114575469B - Large-span hangar roof suspension equipment node system and installation method thereof - Google Patents
Large-span hangar roof suspension equipment node system and installation method thereof Download PDFInfo
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- CN114575469B CN114575469B CN202210477694.2A CN202210477694A CN114575469B CN 114575469 B CN114575469 B CN 114575469B CN 202210477694 A CN202210477694 A CN 202210477694A CN 114575469 B CN114575469 B CN 114575469B
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- 239000000725 suspension Substances 0.000 title claims abstract description 81
- 238000009434 installation Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000013461 design Methods 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
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- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B1/3511—Lift-slab; characterised by a purely vertical lifting of floors or roofs or parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/02—Runways, tracks or trackways for trolleys or cranes for underhung trolleys or cranes
- B66C7/04—Trackway suspension
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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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
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/44—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages for storing aircraft
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3588—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The application discloses large-span hangar house roof suspension equipment node system and installation method thereof, and the large-span hangar house roof suspension equipment node system comprises an upper base fixedly connected to a hangar house roof, a lower base fixedly connected to the lower side of the upper base, a suspension rail installed on the lower base, an auxiliary adjusting mechanism temporarily installed below the lower base, and a hoisting system arranged on the ground and matched with the auxiliary adjusting mechanism to integrally hoist the suspension rail to the lower base. The position of a lifting sling is adjusted through the auxiliary adjusting mechanism, so that the whole suspension rail is lifted vertically upwards, the influence of installation errors can be reduced, the on-site operation of workers is facilitated, and the construction safety is guaranteed; if position deviation occurs in the mounting process of the suspension track, the pulley block is driven to move through the adjusting assembly, and the mounting position of the suspension track is adjusted, so that the problems that the current working personnel cannot effectively eliminate mounting errors, the operation difficulty is increased, and the construction period is influenced are solved.
Description
Technical Field
The application relates to a hangar steel truss suspension equipment node system, in particular to a large-span hangar roof suspension equipment node system and an installation method thereof.
Background
With the continuous improvement of economic strength of China, civil aviation transportation is changed from a high-end vehicle to a public vehicle. Under the current hub aviation network system, the airplane take-off and landing amount of some large aviation hub airports presents a saturated situation, the large wide-body airplane can effectively solve the problem of airport congestion, and the large wide-body airplane has a wider market prospect.
At present, the order quantity of large passenger planes steadily rises every year in China, and the maintenance market of the aircraft will meet the good situation of well-jet development. Compared with a single-machine-position maintenance machine base, the multi-machine-position base has the following characteristics: 1) the airplane is flexibly arranged; 2) the hangar space utilization rate is high, and the spare space between two large-sized wide-body positions can be used for alternately parking and maintaining narrow-body single-channel passenger planes; 3) various auxiliary function rooms required by aircraft maintenance can be arranged in a centralized manner, and the logistics traffic cost is low; 4) the multi-station hangar can realize the purpose of entering and exiting the hangar through mutual displacement of the gate, the separate setting of the hangar is not needed, and the land utilization rate is high.
The large-scale wide-body multi-station maintenance hangar comprises 2-6 large-scale passenger plane maintenance hangars, the length of the plane along the span direction is 150-500 m, the length along the depth direction is 70-120 m, and the clear height of the hangar is about 26-30 m because of the space occupied by the suspension equipment in the station hall.
The track connection method of the current suspension equipment in the machine position hall is characterized in that a pendant is connected to a roof steel structure in advance, the pendant is lifted to a designed elevation along with the roof steel structure, the roof steel structure is hoisted on a roof supporting column, then a track is hoisted to the lower side of the pendant through a suspension crane, and the track is installed on the pendant through a high-strength bolt.
In the method, the structure of the roof steel structure can deform in the hoisting process, so that the installation error can exist in the subsequent node connection; and the rail hoisting belongs to the high-altitude operation, if the position deviation occurs in the connection with the hanging piece, the high-altitude operation personnel are difficult to directly eliminate, and the whole construction period is influenced.
Disclosure of Invention
In order to reduce the track hoisting difficulty, ensure the safety of suspension equipment nodes and shorten the construction period, the application provides a large-span hangar roof suspension equipment node system and an installation method thereof.
In a first aspect, the application provides a large-span hangar roof suspension device node system, which adopts the following technical scheme:
a large-span hangar roof suspension equipment node system comprises an upper base fixedly connected to a hangar roof, a lower base fixedly connected to the lower side of the upper base, a suspension rail installed on the lower base through a high-strength bolt, an auxiliary adjusting mechanism temporarily installed below the lower base, and a hoisting system arranged on the ground and matched with the auxiliary adjusting mechanism to integrally hoist the suspension rail to the lower side of the lower base; the auxiliary adjusting mechanism comprises an installation frame detachably fixed on the lower base, a fixed pulley is rotatably installed in the installation frame, and the fixed pulley corresponds to the hoisting position of the high-strength bolt; a pulley block is slidably mounted below the fixed pulley in the mounting frame, and an adjusting component for driving the pulley block to do linear reciprocating motion is arranged on one side of the pulley block; a sling in the hoisting system bypasses the fixed pulley, vertically and downwards passes through the pulley block, is hooked on a lifting lug of the suspension rail, and vertically hoists the suspension rail to the lower part of the lower base for fixing; the pulley block is matched with the adjusting component to control the hoisting position of the sling.
By adopting the technical scheme, the upper base is connected to the node steel ball, so that a stable hoisting foundation is provided for the suspension track; the lower base is used as a transition connecting piece, and the suspension rail is arranged on the lower base through a high-strength bolt; the auxiliary adjusting mechanism is used for adjusting the position of a hoisting sling, so that the whole suspended track is vertically and upwards hoisted, the influence of installation errors is reduced, the site operation of workers is facilitated, and the construction safety is guaranteed.
In the installation, if the position deviation of the suspension rail occurs, the pulley block is driven to move through the adjusting assembly so as to adjust the installation position of the suspension rail, after the installation condition is met, the auxiliary adjusting mechanism is replaced by the high-strength bolt, and therefore the problem that the operation difficulty is increased and the construction period is influenced when the current working personnel face the installation error and can not be effectively eliminated is solved.
Optionally, the adjusting assembly includes a motor and an electromagnet which are oppositely arranged on two sides of a sliding path of the pulley block, a movable iron core of the electromagnet is rotatably connected with a rotating shaft, an adjusting gear is mounted on the rotating shaft, an adjusting rack is fixedly connected to a connecting frame of the pulley block along the sliding path of the connecting frame, and the adjusting gear is engaged with the adjusting rack; a main transmission disc is fixedly connected to the output shaft of the motor, and an auxiliary transmission disc is fixedly connected to the end part of the rotating shaft; the electromagnet is electrified, the movable iron core of the electromagnet pushes the rotating shaft to move forwards, and the auxiliary transmission disc is pressed on the main transmission disc, so that the motor is in transmission connection with the pulley block.
Through adopting above-mentioned technical scheme, when the electro-magnet circular telegram, the movable iron core of electro-magnet promotes the pivot and moves forward, makes the auxiliary transmission dish suppression on the main drive dish, and the motor work this moment can drive the adjusting gear through the transmission of main, auxiliary drive dish and rotate to order about adjusting rack and link and make translational motion, realize the horizontal position control of assembly pulley.
Optionally, a positioning block is fixedly connected to the rotating shaft, the positioning block is located on one side, away from the auxiliary transmission disc, of the adjusting gear, and a positioning frame is arranged on the mounting frame along the moving direction of the movable iron core of the electromagnet; the electromagnet is powered off, the movable iron core drives the rotating shaft to reset, and the positioning block is embedded in the positioning frame.
Through adopting above-mentioned technical scheme, when the electro-magnet outage, move the iron core and drive the pivot and reset, the separation of auxiliary drive dish and main drive dish, the locating block dress inlays in the locating frame this moment, and the restriction pivot continues to rotate, utilizes tooth transmission characteristic, makes the cooperation of gear and rack joint, realizes the location of assembly pulley.
Optionally, the positioning block is arranged in a gear shape and is in one-to-one correspondence with the teeth of the adjusting gear.
Through adopting above-mentioned technical scheme, the locating piece sets up to the gear form, makes adjusting gear can carry out more subtle regulation, improves the regulation precision.
Optionally, one side of the positioning block facing the positioning frame is chamfered, and the positioning block is in clearance fit with the positioning frame.
Through adopting above-mentioned technical scheme, the setting of locating piece chamfer makes things convenient for it to imbed in the locating frame, realizes the joint cooperation of locating piece and locating frame.
Optionally, the pulley block comprises two sets of pulleys arranged at intervals, the two pulleys are rotatably mounted on the connecting frame, and the mounting frame is provided with a slideway matched with the connecting frame.
By adopting the technical scheme, the pulley block plays a role in guiding and limiting the sling penetrating through the pulley block, and if the position deviation occurs to the suspension track, the pulley block moves to adjust the installation position of the suspension track.
In a second aspect, the application provides a method for installing a node system of a large-span hangar roof suspension device, which includes the following steps:
the upper base is preassembled on the node steel ball of the roof steel structure, the lower base is installed on the upper base, and the installation frame of the auxiliary adjusting mechanism is temporarily fixed on the lower base;
the suspension rails are laid on the ground along the design direction, and the ground hoisting equipment is distributed on two sides of the suspension rails;
the roof steel structure is hoisted at a designed height, a sling of ground hoisting equipment bypasses a fixed pulley in the installation frame, is turned by the fixed pulley, then downwards passes through the pulley block, and finally extends to the ground to be connected with the suspension rail;
synchronously starting ground hoisting equipment to vertically hoist the suspension rail upwards, separating slings of the ground hoisting equipment from the suspension rail at intervals after the ground hoisting equipment is hoisted to the position below the mounting frame, removing the corresponding auxiliary adjusting mechanisms, and connecting the suspension rail with the lower base by using high-strength bolts instead of the slings; and then separating the rest slings from the hanging rail, and replacing all high-strength bolts to finish the installation of the hanging rail.
Optionally, position deviation occurs in the installation process of the suspension rail, the motor works, the adjusting gear is driven to rotate through transmission of the main transmission disc and the auxiliary transmission disc, so that the adjusting rack and the connecting frame are driven to move in a translation mode, horizontal position adjustment of the pulley block is achieved, and the installation position of the suspension rail is adjusted.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the suspension equipment node system, the position of the lifting sling is adjusted through the auxiliary adjusting mechanism, so that the whole suspension rail is lifted vertically and upwards, the influence of installation errors can be reduced, the on-site operation of workers is facilitated, and the construction safety is guaranteed;
2. if take place position deviation in the suspension rail installation, drive the assembly pulley through adjusting part and remove, adjust suspension rail's mounted position to this solves current staff and can't effectively eliminate in the face of installation error, increases the operation degree of difficulty, influences construction cycle's problem.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is a schematic view of a suspension rail hoisting state in the embodiment of the present application.
Fig. 3 is a schematic structural diagram of an auxiliary adjustment mechanism in an embodiment of the present application.
Fig. 4 is a schematic structural diagram of an adjusting assembly in the embodiment of the present application.
Description of reference numerals:
1. an upper base; 11. a base plate; 12. a support plate; 2. a lower base; 3. hanging a rail; 31. lifting lugs; 4. an auxiliary adjustment mechanism; 5. a mounting frame; 51. a fixed pulley; 52. a slideway; 53. mounting a plate; 54. a positioning frame; 6. a pulley block; 61. a connecting frame; 7. an adjustment assembly; 71. a motor; 72. an electromagnet; 73. a rotating shaft; 74. an adjusting gear; 75. adjusting the rack; 76. a main drive plate; 77. an auxiliary drive plate; 78. positioning blocks; 8. ground hoisting equipment; 81. a sling; 9. a high-strength bolt; 10. and (5) node steel balls.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a large-span hangar roof suspension equipment node system.
The large-span hangar roof comprises a main structural frame covering the hangar, wherein the main structural frame is a space net rack, and the interior of the main structural frame is composed of chord members and node steel balls 10.
Referring to fig. 1, the node system of the large-span hangar roof suspension device comprises an upper base 1 connected to a node steel ball 10, a lower base 2 fixedly connected to the lower side of the upper base 1, and a suspension rail 3 mounted on the lower base 2 through a high-strength bolt 9.
The upper base 1 comprises a bottom plate 11 and a plurality of groups of support plates 12, the bottom plate 11 is used as a connecting base, the upper side of the bottom plate 11 is vertically and fixedly connected with each support plate 12, and the lower side of the bottom plate 11 provides a connecting platform for the lower base 2; the upper base 1 is connected to the node steel ball 10 through the support plate 12, correspondingly, the top end of each support plate 12 is provided with an arc edge matched with the node steel ball 10, so that the support plates 12 are completely attached to the surface of the node steel ball 10, the support plates and the node steel ball 10 are fixedly connected in a full-length welding mode, and the upper base 1 provides a stable hoisting foundation for the suspension rail 3.
The lower base 2 is an integrally formed trapezoid frame, the upper bottom surface of the lower base is connected with a bottom plate 11 of the lower base 2 through high-strength bolts, the lower bottom surface is provided with through holes, and the lower base 2 is internally provided with a cavity structure which is matched with the through holes of the lower bottom surface and used for the penetration of the high-strength bolts 9 for installing the hanging rails 3.
Lifting lugs 31 are arranged on the two sides of the width of the suspension rail 3 at intervals along the length direction of the suspension rail, the positions of the lifting lugs 31 are consistent with the distribution position of the lower base 2, and lifting holes in the lifting lugs 31 are coaxially arranged with through holes in the lower base 2; the both ends of the high-strength bolt 9 respectively penetrate through a hanging hole in the hanging rail 3 and a through hole in the lower base 2, and the hanging rail 3 is hung below the lower base 2 through matching with a nut, so that a sliding foundation is provided for hanging equipment.
Referring to fig. 2, the node system of the large-span hangar roof suspension device further comprises an auxiliary adjusting mechanism 4 temporarily installed below the lower base 2, and a hoisting system arranged on the ground and cooperating with the auxiliary adjusting mechanism 4 to integrally hoist the suspension rail 3 to the lower base 2.
Referring to fig. 3, the auxiliary adjusting mechanism 4 includes a mounting frame 5 detachably fixed on the lower bottom surface of the lower base 2 by high-strength bolts, two sets of fixed pulleys 51 are rotatably mounted in the mounting frame 5, and the grooves of the fixed pulleys 51 correspond to the through holes of the lower base 2; in the mounting frame 5, a group of pulley blocks 6 are respectively and slidably mounted below the fixed pulleys 51, and one side of each pulley block 6 is provided with an adjusting component 7 for driving the pulley block 6 to do linear reciprocating motion.
In this embodiment, the pulley block 6 is composed of two sets of pulleys arranged at intervals, the two pulleys are rotatably mounted on a connecting frame 61, a slideway 52 with a size matched with that of the connecting frame 61 is horizontally arranged on the mounting frame 5, and the connecting frame 61 is slidably mounted on the mounting frame 5 by matching with the slideway 52; after the mounting frame 5 is mounted on the lower base 2, the sliding direction of the connecting frame 61 is the same as the width direction of the hanging rail 3 after being hoisted.
Referring to fig. 4, the adjusting assembly 7 includes a motor 71, an electromagnet 72, a rotating shaft 73, an adjusting gear 74, an adjusting rack 75, a main driving disc 76, an auxiliary driving disc 77, and a positioning block 78; the mounting frame 5 is provided with mounting plates 53 at two sides of the slideway 52 of the connecting frame 61, and the motor 71 and the electromagnet 72 are coaxially and oppositely arranged at two sides of the slideway 52 through the mounting plates 53; the movable iron core of the electromagnet 72 is rotatably connected with the rotating shaft 73 so as to drive the rotating shaft 73 to axially displace; the adjusting gear 74 is coaxially and fixedly connected to the rotating shaft 73, the adjusting rack 75 is fixed on the connecting frame 61 along the sliding direction of the connecting frame 61, and the adjusting gear 74 and the adjusting rack 75 are always kept in a meshed state.
The main driving disk 76 is coaxially and fixedly connected to an output shaft of the motor 71, the auxiliary driving disk 77 is coaxially and fixedly connected to one end of the rotating shaft 73, which is far away from the electromagnet 72, and the opposite side of the main driving disk 76 and the auxiliary driving disk 77 is provided with a tooth surface; the positioning block 78 is coaxially and fixedly connected to the rotating shaft 73 and located on one side, away from the auxiliary transmission disc 77, of the adjusting gear 74, the mounting plate 53 is provided with a positioning frame 54 along the moving direction of the movable iron core of the electromagnet 72, the inner shape of the positioning frame 54 is the same as that of the positioning block 78, and the positioning block 54 and the positioning block 78 are in clearance fit; in this embodiment, the positioning blocks 78 are in a gear shape and correspond to the teeth of the adjusting gear 74 one by one; the positioning block 78 is chamfered at the side facing the positioning frame 54, so that the process of embedding the positioning block 78 into the positioning frame 54 is smoother.
When the electromagnet 72 is powered on, the movable iron core of the electromagnet 72 pushes the rotating shaft 73 to move forwards, so that the auxiliary transmission disc 77 is pressed on the main transmission disc 76, and at the moment, the motor 71 works, namely the adjusting gear 74 is driven to rotate through the transmission of the main transmission disc 77 and the auxiliary transmission disc 77, so that the adjusting rack 75 and the connecting frame 61 are driven to move in a translation manner, and the horizontal position adjustment of the pulley block 6 is realized; when the electromagnet 72 is powered off, the movable iron core drives the rotating shaft 73 to reset, the auxiliary driving disc 77 is separated from the main driving disc 76, the positioning block 78 is embedded in the positioning frame 54 at the moment to limit the rotating shaft 73 to continue rotating, and the gears and the racks are clamped and matched by utilizing the transmission characteristic of the teeth, so that the positioning of the pulley block 6 is realized.
The hoisting system comprises ground hoisting equipment 8 which is distributed on two sides of the hanging rail 3 along the length direction of the hanging rail 3, wherein in the embodiment, the ground hoisting equipment 8 is selected as a winch; a sling 81 of the ground lifting equipment 8 rounds the fixed pulley 51 of the auxiliary adjusting mechanism 4 and vertically passes through the pulley block 6 downwards, and a sling at the end part of the sling 81 is hooked on the lifting lug 31 of the suspension track 3; the ground hoisting equipment 8 can be synchronously operated through the controller to vertically hoist the suspension track 3 to the lower part of the lower base 2 for fixing.
When the suspension rail 3 is installed, the upper base 1 is preassembled on the node steel ball 10 of the roof steel structure, the lower base 2 is installed on the upper base 1, and the installation frame 5 of the auxiliary adjusting mechanism 4 is temporarily fixed on the lower base 2; the suspension rail 3 is tiled on the ground along the design direction, and the ground hoisting equipment 8 is distributed on two sides of the suspension rail 3; then the roof steel structure is hoisted at the designed height, the worker uses the high-altitude operation vehicle to enable the sling 81 of the ground hoisting equipment 8 to bypass the fixed pulley 51 in the installation frame 5, and the sling passes through the pulley block 6 downwards after being turned by the fixed pulley 51 and finally extends to the ground to be connected with the suspension track 3.
Synchronously starting the ground hoisting equipment 8 to hoist the suspension rail 3 vertically upwards, after the ground hoisting equipment is hoisted to the lower part of the installation frame 5, separating the suspension cable 81 of the ground hoisting equipment 8 from the suspension rail 3 at intervals by a worker positioned on the overhead working truck, removing the corresponding auxiliary adjusting mechanism 4, and connecting the suspension rail 3 with the lower base 2 by using a high-strength bolt 9 to replace the suspension cable 81; then, the remaining slings 81 are separated from the hanging rail 3, and the high-strength bolts 9 are replaced, thereby completing the installation of the hanging rail 3.
In the installation, if the position deviation takes place for the hang track 3, drive assembly pulley 6 through adjusting part 7 and remove to the mounted position of adjustment hang track 3 waits to satisfy the installation condition after, will assist guiding mechanism 4 to change for high strength bolt 9, with this solve present staff in the face of the unable effective elimination of installation error, increase the operation degree of difficulty, influence construction cycle's problem.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The utility model provides a large-span hangar roof suspension device node system which characterized in that: the device comprises an upper base (1) fixedly connected to a hangar roof, a lower base (2) fixedly connected to the lower side of the upper base (1), a hanging rail (3) installed on the lower base (2) through a high-strength bolt (9), an auxiliary adjusting mechanism (4) installed below the lower base (2) temporarily, and a hoisting system which is arranged on the ground and matched with the auxiliary adjusting mechanism (4) to hoist the hanging rail (3) to the lower part of the lower base (2) integrally;
the auxiliary adjusting mechanism (4) comprises an installation frame (5) detachably fixed on the lower base (2), a fixed pulley (51) is rotatably installed in the installation frame (5), and the fixed pulley (51) corresponds to the hoisting position of the high-strength bolt (9);
a pulley block (6) is slidably mounted in the mounting frame (5) below the fixed pulley (51), and an adjusting component (7) for driving the pulley block (6) to do linear reciprocating motion is arranged on one side of the pulley block (6);
a sling (81) in the hoisting system bypasses a fixed pulley (51), vertically passes through a pulley block (6) downwards, is hooked on a lifting lug (31) of the suspension rail (3), and vertically hoists the suspension rail (3) to the lower part of the lower base (2) for fixing;
the pulley block (6) and the adjusting component (7) are matched to control the hoisting position of the sling (81).
2. The large-span hangar roof suspension device node system of claim 1, wherein: the adjusting assembly (7) comprises a motor (71) and an electromagnet (72) which are oppositely arranged on two sides of a sliding path of the pulley block (6), a movable iron core of the electromagnet (72) is rotatably connected with a rotating shaft (73), an adjusting gear (74) is installed on the rotating shaft (73), an adjusting rack (75) is fixedly connected to a connecting frame (61) of the pulley block (6) along the sliding path of the connecting frame, and the adjusting gear (74) is meshed with the adjusting rack (75);
a main transmission disc (76) is fixedly connected to an output shaft of the motor (71), and an auxiliary transmission disc (77) is fixedly connected to the end part of the rotating shaft (73); the electromagnet (72) is electrified, the movable iron core of the electromagnet (72) pushes the rotating shaft (73) to move forwards, and the auxiliary transmission disc (77) is pressed on the main transmission disc (76), so that the motor (71) is in transmission connection with the pulley block (6).
3. The large-span hangar roof suspension device node system of claim 2, wherein: a positioning block (78) is fixedly connected to the rotating shaft (73), the positioning block (78) is located on one side, away from the auxiliary transmission disc (77), of the adjusting gear (74), and a positioning frame (54) is arranged on the mounting frame (5) along the moving direction of the movable iron core of the electromagnet (72); the electromagnet (72) is powered off, the movable iron core drives the rotating shaft (73) to reset, and the positioning block (78) is embedded in the positioning frame (54).
4. The large-span hangar roof suspension device node system of claim 3, wherein: the positioning blocks (78) are arranged in a gear shape and correspond to the teeth of the adjusting gear (74) one by one.
5. The large-span hangar roof suspension device node system of claim 3, wherein: the positioning block (78) is arranged in a chamfering mode on one side, facing the positioning frame (54), and the positioning block (78) is in clearance fit with the positioning frame (54).
6. The large-span hangar roof suspension device node system of claim 1, wherein: the pulley block (6) comprises two groups of pulleys arranged at intervals, the two pulleys are rotatably installed on the connecting frame (61), and a slide way (52) matched with the connecting frame (61) is arranged on the installation frame (5).
7. The large-span hangar roof suspension device node system of claim 1, wherein: the upper base (1) comprises a bottom plate (11) and a plurality of groups of support plates (12), the support plates (12) are vertically and fixedly connected to the bottom plate (11), and the support plates (12) are connected with node steel balls (10) of the hangar roof; the lower base (2) is fixedly connected to the bottom plate (11).
8. A method of installing a large-span hangar roof suspension plant node architecture as claimed in any of claims 1 to 7, comprising the steps of:
the upper base (1) is preassembled on the node steel ball (10) of the roof steel structure, the lower base (2) is installed on the upper base (1), and the installation frame (5) of the auxiliary adjusting mechanism (4) is temporarily fixed on the lower base (2);
the suspension rail (3) is laid on the ground along the design direction, and the ground hoisting equipment (8) is distributed on two sides of the suspension rail (3);
the roof steel structure is hoisted at a designed height, a sling (81) of the ground hoisting equipment (8) bypasses a fixed pulley (51) in the installation frame (5), is turned by the fixed pulley (51), then downwards passes through the pulley block (6), and finally extends to the ground to be connected with the suspension track (3);
synchronously starting the ground hoisting equipment (8), vertically hoisting the suspension rail (3) upwards, separating a sling (81) of the ground hoisting equipment (8) from the suspension rail (3) at intervals after the suspension rail is hoisted to the lower part of the installation frame (5), removing the corresponding auxiliary adjusting mechanism (4), and connecting the suspension rail (3) with the lower base (2) by using a high-strength bolt (9) to replace the sling (81); and then separating the rest of the slings (81) from the hanging rail (3), and replacing all the slings with high-strength bolts (9) to finish the installation of the hanging rail (3).
9. The method for installing the node system of the large-span hangar roof suspension equipment according to claim 8, characterized in that: position deviation occurs in the installation process of the suspension rail (3), the motor (71) works, the adjusting gear (74) is driven to rotate through the transmission of the main transmission disc and the auxiliary transmission disc, the adjusting rack (75) and the connecting frame (61) are driven to move in a translation mode, the horizontal position adjustment of the pulley block (6) is achieved, and the installation position of the suspension rail (3) is adjusted.
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| FR2929300A1 (en) * | 2008-03-31 | 2009-10-02 | Algeco Sa | LARGE RANGE METAL STRUCTURE AND METHOD OF MOUNTING |
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| CN108343155A (en) * | 2018-01-16 | 2018-07-31 | 中国航空规划设计研究总院有限公司 | It is a kind of to improve the large span construction method that even across hangar internal force is distributed |
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| FR2929300A1 (en) * | 2008-03-31 | 2009-10-02 | Algeco Sa | LARGE RANGE METAL STRUCTURE AND METHOD OF MOUNTING |
| CN106088360A (en) * | 2016-07-08 | 2016-11-09 | 中国航空规划设计研究总院有限公司 | A kind of large span two-tube lower edge of list truss structure connects node and truss structure |
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