CN114517523A - Multi-layer air corridor for high-rise steel structure building and construction method of multi-layer air corridor - Google Patents
Multi-layer air corridor for high-rise steel structure building and construction method of multi-layer air corridor Download PDFInfo
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- CN114517523A CN114517523A CN202210181902.4A CN202210181902A CN114517523A CN 114517523 A CN114517523 A CN 114517523A CN 202210181902 A CN202210181902 A CN 202210181902A CN 114517523 A CN114517523 A CN 114517523A
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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
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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
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
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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
- E04B1/0046—Loggias
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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
- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/10—Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders
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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
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2487—Portico type structures
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Abstract
The application relates to a multi-layer air corridor of a high-rise steel structure building and a construction method thereof, which relate to the technical field of building construction and comprise a corridor body and two towers, wherein the corridor body comprises an overhanging beam and two cross beams, the overhanging beam is fixedly arranged on the towers, the side walls of the two cross beams are provided with sliding grooves, the cross beams are provided with a plurality of supporting rods, a sliding block is arranged between the two adjacent supporting rods and is arranged in the sliding groove in a sliding manner, the cross beams are provided with fixing components, and the towers are provided with hoisting components for hoisting structural parts; the crossbeam is provided with a hauling rope, and one end of the hauling rope, which is close to the hoisting component, is provided with a hook. A plurality of mutually hinged support rods are hoisted to the cross beam through the hoisting assembly, the traction ropes are pulled to move the plurality of support rods to another tower until the whole support rods are completely opened and are uniformly distributed on the cross beam, the support rods and the cross beam are separately installed, the hoisting of overweight structural parts is not needed, and the construction is convenient.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a high-rise steel structure multi-layer aerial corridor and a construction method thereof.
Background
Along with the increasingly tense of urban building land, the continuous improvement of the pursuit of people on building arts and the daily increase of construction cost, a plurality of overhead large-span heavy steel galleries of a super high-rise double-tower building are also increased day by day, and at present, the traditional construction scheme of the overhead galleries is generally built to a construction floor by adopting full framing scaffolds or a method of integrally climbing a precast concrete member to the construction floor by adopting bidirectional hoisting equipment.
However, for a large-scale high-rise corridor, the size and the mass of a structural member are very large, and the construction difficulty is high. Because the distance between adjacent buildings, especially high-rise buildings, is large, the corresponding corridor span is large, and the single structural member forming the air corridor is too heavy and is not suitable for integral hoisting after assembly; the air vestibule set up the height generally all very high, and it is big that the full hall scaffold of high altitude construction sets up the degree of difficulty, poor stability, and factor of safety is low, and the construction is inconvenient.
Disclosure of Invention
On the one hand, in order to reduce the construction degree of difficulty, improve the security, this application provides a high-rise steel structure building multilayer air vestibule.
The application provides a pair of high-rise steel structure building multilayer air corridor adopts following technical scheme:
A multilayer air vestibule of a high-rise steel structure building comprises a vestibule body and two towers, wherein the vestibule body comprises an overhanging beam and two cross beams, the overhanging beam is fixedly arranged on the towers, two ends of each cross beam are fixedly connected with the overhanging beams on the two towers respectively, a sliding groove is formed in the side wall, close to each other, of each cross beam along the length direction of each cross beam, a plurality of support rods are arranged on each cross beam in a sliding mode along the length direction of each cross beam, a sliding block is arranged between every two adjacent support rods, the support rods are hinged to the sliding blocks, the sliding blocks are arranged in the sliding grooves in a sliding mode, fixed assemblies used for limiting the positions of the support rods are arranged on the cross beams, and lifting assemblies used for lifting structural members are arranged on the towers; the beam is provided with a traction rope along the length direction of the beam, and one end of the traction rope, which is close to the hoisting assembly, is provided with a hook.
Through adopting the above technical scheme, during the construction, treat cantilever beam and crossbeam installation completion back, through hoisting assembly with a plurality of mutual articulated bracing piece handling to the crossbeam on, then insert the sliding block in the sliding tray, then be connected couple and first spinal branch vaulting pole, go out the pulling haulage rope at another tower, in order to remove a plurality of bracing pieces to another tower department, until whole bracing piece open completely and even distribution on the crossbeam can, at last through fixed subassembly fixed support pole position, accomplish the installation of a plurality of bracing pieces, separately install bracing piece and crossbeam, need not the overweight structure of handling, and convenient construction.
Optionally, a limiting strip used for being abutted to the sliding block to prevent the sliding block from being separated from the sliding groove is arranged on the cross beam, a connecting strip is fixedly arranged at one end, close to the supporting rod, of the cross beam, and the limiting strip is detachably connected to the connecting strip.
Through adopting above-mentioned technical scheme, the setting of spacing plays the purpose that prevents the sliding block and break away from the sliding tray, improves the security.
Optionally, the sliding block is kept away from the one end slip cover of bracing piece and is equipped with the movable shell, be provided with in the movable shell and be used for driving about the movable shell to keeping away from the pressure spring of sliding block direction motion, be provided with the anticreep portion that is used for preventing the movable shell from breaking away from the sliding block on movable shell and the sliding block.
Through adopting above-mentioned technical scheme, when the erection bracing pole, insert the sliding block of bracing piece one end wherein into the sliding tray earlier, extrude the movable shell to make the sliding block move to the sliding tray inside, reduce the distance at bracing piece both ends, so that the sliding block of the bracing piece other end inserts the sliding tray smoothly in, accomplishes the installation, convenient operation.
Optionally, the support rod upper berth is equipped with the bottom plate, the top of bottom plate is provided with the panel, the panel sets up a plurality ofly along the length direction of crossbeam, is provided with the socket bar between the two adjacent panels, the both ends of socket bar are fixed to be set up on two crossbeams, be provided with the elastic plate on the socket bar, the both sides of elastic plate are connected with adjacent two panels respectively.
Through adopting above-mentioned technical scheme, when people walk on the panel, the effort that produces the panel transmits the elastic plate on, transmits the crossbeam through the adapting rod at last, and the elastic plate plays the effect of shock attenuation energy-absorbing, and the effectual vibrations that reduce the crossbeam and receive improve the shock resistance.
Optionally, the elastic plate includes installation department and deformation portion, the installation department cover is located on the bolster, deformation portion sets up to the arc, the both sides of installation department all are provided with deformation portion, deformation portion keeps away from the one end of installation department and is connected with the panel.
Through adopting above-mentioned technical scheme, when the panel received the effort and produced the vibrations of horizontal direction and vertical direction, deformation portion can take place deformation along vertical direction or horizontal direction, and then realizes reducing the vibrations of vertical direction or horizontal direction, improves the shock resistance, improves the holistic security of vestibule.
Optionally, a base is arranged on the bottom plate, a receiving roller is rotatably arranged on the base, the receiving roller is arranged along the length direction of the cross beam, the panel is rotatably arranged on the receiving roller, elastic assemblies for preventing the panel from inclining are arranged on two sides of the panel close to the cross beam, a slot is formed in the side wall of the panel close to the receiving rod, one end of the deformation portion is inserted into the slot, a plurality of positioning rods are fixedly arranged in the slot along the vertical direction, the deformation portion is slidably sleeved on the positioning rods, and a first elastic member for blocking the deformation portion from sliding along the positioning rods is arranged in the slot; and a buffer piece is arranged between the base and the bottom plate.
By adopting the technical scheme, if pedestrians are unevenly distributed on two sides of the panel, the side with more distribution is stressed more, the panel deflects towards one side, the elastic component plays a role in blocking the deflection of the panel and plays a role in damping, in addition, the stress of the cross beam is balanced, the deformation of one side due to the overlarge stress on the side for a long time is avoided, and the safety is improved; in addition, in the deflection process of the panel, the first elastic piece is stressed and deformed to absorb the acting force of the panel, and the first elastic piece and the elastic component jointly play a role of tending to reset the panel.
Optionally, a first arc-shaped groove used for being matched with the carrying roller is formed in the top wall of the base, a second arc-shaped groove used for being matched with the carrying roller is formed in the bottom wall of the panel, driving teeth are arranged on one side, close to the panel, of the carrying roller, and a plurality of tooth grooves used for being meshed with the driving teeth are formed in the second arc-shaped groove; the fixed pole setting that is provided with on the crossbeam, the top that just is located the panel in the pole setting is rotated and is provided with the leading wheel, elastic component includes stay cord, safe pipe and second elastic component, safe pipe sets up in the pole setting, safe intraductal slip is provided with two spacing rings, the stay cord is rich and is located on the leading wheel, the one end and the panel fixed connection of stay cord, the other end penetrate safe pipe and spacing ring fixed connection, the second elastic component sets up and is used for driving two spacing rings to the direction motion that is close to each other in the safe pipe, the fixed pin that is provided with in bottom of accepting the roller, fixedly connected with connects the rope on the fixed pin, the one end that the fixed pin was kept away from to the connection rope is passed safe pipe and is kept away from the spacing ring fixed connection of stay cord.
By adopting the technical scheme, when the panel is stressed unevenly or vibrates to deflect to one side, the side deflected downwards of the panel pulls the pull rope to move downwards, the pull rope pulls the second elastic part, the second elastic part drives the connecting rope to move, the connecting rope drives the carrying roller to rotate, and the carrying roller drives the panel to deflect reversely so as to reset the panel, prevent the deformation of the side-changed cross beam caused by the overlarge stress of one side of the panel for a long time, and improve the safety; and shock resistance is improved.
Optionally, a mounting groove is formed in the top wall of the bottom plate, the base is arranged in the mounting groove, the buffer piece is arranged to be a spring plate, and the spring plate is abutted to the bottom wall of the base.
Through adopting above-mentioned technical scheme, when the panel received decurrent pressure, the effort passed through the accepting roller and transmits for the base, and the base transmits for the spring board, and the spring board atress warp, plays the antidetonation effect of energy-absorbing.
On the other hand, in order to reduce the construction degree of difficulty, improve the security, this application provides a construction method of high-rise steel structure building multilayer air vestibule.
The application provides a high-rise steel structure building multilayer air vestibule adopts following technical scheme:
a construction method of a multi-layer air corridor of a high-rise steel structure building comprises the following steps:
S1, temporary supporting and cantilever beam construction, wherein an upright post is fixedly installed at one end of a cantilever beam on the ground, then the cantilever beam is hoisted in place, the cantilever beam is fixed on a tower, after the first cantilever beam is installed in place, three temporary adjusting points are arranged on the tower, and the three temporary adjusting points are respectively positioned above and at two sides of the cantilever beam and are used for adjusting the horizontal elevation and the positioning axis position of the cantilever beam through a chain block and ensuring the stability of a component; the temporary support arrangement adopts welded H-shaped steel, the H-shaped steel is obliquely fixed on the tower and the cantilever beam, one end of the H-shaped steel is fixed with the upright post and the cantilever beam, and the other end of the H-shaped steel is fixedly connected with the tower;
s2, mounting a cross beam, fixing a traction rope on the cross beam along the length direction of the cross beam on the ground, hoisting the cross beam in place, and fixing two ends of the cross beam with the cantilever beam;
s3, mounting support rods, mounting a hoisting assembly on one tower, hoisting a plurality of interconnected support rods in place through the hoisting assembly, mounting a sliding block into a sliding groove, connecting a hook with the support rods, pulling a traction rope by a worker positioned on the other tower to uniformly distribute the support rods on the whole beam, and fixing the sliding block through a fixing assembly;
And S4, installing the residual steel structure.
By adopting the technical scheme, when in construction, after the first cantilever beam is installed in place, the three temporary adjusting points are respectively positioned above and at two sides of the cantilever beam and are used for adjusting the horizontal elevation and the positioning axis position of the cantilever beam through the chain block and ensuring the stability of a component; the bracing piece hoist and mount a plurality of interconnect are taken one's place through the hoist and mount subassembly, then install the sliding block into the sliding tray, are connected couple and bracing piece, then are located the workman pulling haulage rope of another tower department to make a plurality of bracing piece equipartitions on whole crossbeam, through fixed subassembly with the sliding block fixed can, construction convenience, and with bracing piece and crossbeam separately-installed, need not the overweight structure of handling, improve the security.
Optionally, all girder steel connections all adopt the slip form installation before the construction is accomplished, do not fasten the bolt, wait that whole even roof beam structure installation is accomplished after, screw up the bolt of each node again.
By adopting the technical scheme, after the whole structure is installed, the structural bearing capacity changes, the bolts are not fastened, and after the whole connecting beam structure is installed, the bolts of all the nodes are screwed down, so that the safety is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. during construction, after the cantilever beam and the cross beam are installed, the plurality of mutually hinged support rods are hoisted to the cross beam through the hoisting assembly, then the sliding block is inserted into the sliding groove, the traction rope is pulled to move the plurality of support rods to another tower, and finally the positions of the support rods are fixed through the fixing assembly to complete installation of the plurality of support rods;
2. when people walk on the panel, acting force generated on the panel is transmitted to the elastic plate and is finally transmitted to the cross beam through the bearing rod, and the elastic plate plays a role in damping and absorbing energy, so that vibration received by the cross beam is effectively reduced, and the shock resistance is improved;
3. if the pedestrians are unevenly distributed on the two sides of the panel, the side with more distribution is stressed more, the panel deflects to one side, the elastic component plays a role in blocking the deflection of the panel and plays a role in shock absorption, in addition, the stress of the cross beam is balanced, the deformation of one side caused by overlarge stress on the side for a long time is avoided, and the safety is improved; in addition, in the deflection process of the panel, the first elastic piece is stressed and deformed to absorb the acting force of the panel, and the first elastic piece and the elastic component together have the effect of tending to reset the panel.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application as a whole;
FIG. 2 is a schematic structural diagram of a hoisting assembly according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a cross beam and a support rod according to an embodiment of the present disclosure;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic structural diagram of a panel and a resilient plate according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of an embodiment of the present application, which mainly shows an elastic plate;
FIG. 7 is an exploded view of an embodiment of the present application;
figure 8 is a cross-sectional view of a pole of an embodiment of the present application.
Description of reference numerals: 1. a tower; 2. a corridor body; 21. a cantilever beam; 211. a column; 22. a cross beam; 221. a support bar; 222. a sliding groove; 223. a hauling rope; 2231. hooking; 224. a connecting strip; 225. a limiting strip; 226. a bearing rod; 227. fixing a column; 228. erecting a rod; 2281. a guide wheel; 3. a slider; 31. a movable shell; 311. a pressure spring; 312. an anti-drop block; 32. a guide groove; 33. a hinge slot; 4. a fixing assembly; 41. fixing the bolt; 42. a fixed block; 5. hoisting the assembly; 51. a motor; 52. a reel; 53. a cable; 54. a hook; 6. a base plate; 61. a panel; 611. a slot; 6111. positioning a rod; 6112. a first elastic member; 612. a second arc-shaped slot; 6121. a tooth socket; 62. a base; 621. a first arc-shaped slot; 63. a receiving roller; 631. a drive tooth; 632. a fixing pin; 6321. connecting ropes; 64. mounting grooves; 641. a spring plate; 7. an elastic plate; 71. an installation part; 72. a deformation section; 8. an elastic component; 81. pulling a rope; 82. a safety tube; 821. a limiting ring; 83. a second elastic member.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses high-rise steel structure building multilayer air corridor.
Referring to fig. 1, the high-rise steel structure building multi-layer overhead corridor comprises a corridor body 2 and two tower buildings 1, wherein the corridor body 2 comprises cantilever beams 21 and two cross beams 22, the cross beams 22 are made of H-shaped steel, the cantilever beams 21 are fixedly arranged on the tower buildings 1, and two ends of the cross beams 22 are respectively fixedly connected with the cantilever beams 21 on the two tower buildings 1.
Referring to fig. 2, a hoisting assembly 5 for hoisting structural members is arranged on the tower 1, the hoisting assembly 5 comprises a motor 51, a reel 52, a stay cable 53 and a hook 54, the reel 52 is rotatably arranged on the tower 1, the motor 51 is fixedly arranged on the tower 1, the stay cable 53 winds around the reel 52, and the hook 54 is fixedly arranged on the stay cable 53; to highly great vestibule structure, be difficult for setting up the scaffold to and to the operating mode that is difficult for setting up the tower crane, hoist and mount the structure through hoist and mount subassembly 5 is convenient for.
Referring to fig. 3 and 4, the side walls of the two cross beams 22 adjacent to each other are provided with a sliding groove 222 along the length direction of the cross beam 22. A plurality of support rods 221 are slidably arranged on the cross beam 22 along the length direction of the cross beam 22, a sliding block 3 is arranged between two adjacent support rods 221, the support rods 221 are hinged on the sliding block 3, and the sliding block 3 is slidably arranged in the sliding groove 222. The sliding block 3 has a hinge groove 33 formed on a side wall thereof near the support rods 221, the hinge groove 33 is disposed obliquely with respect to the two side walls abutted against the support rods 221, and the inclination angles are equal to each other to define the expansion angles of the two support rods 221.
Referring to fig. 3 and 4, one end of the sliding block 3 away from the support rod 221 is slidably sleeved with a movable shell 31, a bottom wall of the movable shell 31 is provided with an opening, and a pressure spring 311 for driving the movable shell 31 to move in a direction away from the sliding block 3 is arranged in the movable shell 31. Be provided with the anticreep portion that is used for preventing that movable shell 31 from breaking away from sliding block 3 on movable shell 31 and the sliding block 3, anticreep portion includes anticreep piece 312, and the guide way 32 has been seted up along the length direction of perpendicular to crossbeam 22 to the lateral wall of sliding block 3, and the both ends of guide way 32 seal the setting, and the anticreep is fixed fast to be set up on movable shell 31's inside wall, and anticreep piece 312 slides with guide way 32 and is connected.
Referring to fig. 3 and 4, a fixing assembly 4 for defining the position of the support rod 221 is disposed on the cross beam 22, the fixing assembly 4 includes a fixing bolt 41 and a fixing block 42, the fixing block 42 is fixedly disposed on the side wall of the movable housing 31, and the fixing bolt 41 penetrates through the cross beam 22 and is in threaded connection with the fixing block 42. A hauling rope 223 is arranged on the cross beam 22 along the length direction of the cross beam 22, and a hook 2231 is arranged at one end of the hauling rope 223 close to the hoisting component 5.
Referring to fig. 3 and 4, a limiting strip 225 for abutting against the sliding block 3 to prevent the sliding block 3 from separating from the sliding groove 222 is disposed on the cross beam 22, a connecting strip 224 is fixedly disposed at one end of the cross beam 22 close to the supporting rod 221, the connecting strip 224 is welded on the top wall of the cross beam 22, the limiting strip 225 is detachably connected to the connecting strip 224, the limiting strip 225 and the connecting strip 224 are fixedly connected through a connecting bolt, the length of the limiting strip 225 is smaller than that of the cross beam 22, and a notch for mounting the supporting rod 221 is disposed between one end of the limiting strip 225 and the end of the cross beam 22.
Referring to fig. 5 and 6, a bottom plate 6 is laid on the support rod 221, a plurality of panels 61 are disposed above the bottom plate 6, the panels 61 are disposed along the length direction of the cross beam 22, a receiving rod 226 is disposed between two adjacent panels 61, a fixing column 227 is fixedly disposed on the cross beam 22, and the receiving rod 226 is fixedly disposed on the fixing column 227.
Referring to fig. 6, the bearing rod 226 is provided with an elastic plate 7, the elastic plate 7 is made of a steel plate, two sides of the elastic plate 7 are respectively connected with the two adjacent panels 61, the elastic plate 7 includes an installation portion 71 and a deformation portion 72, the installation portion 71 is sleeved on the bearing rod 226, the cross section of the installation portion 71 is C-shaped, and is conveniently sleeved on the bearing rod 226 in a rotating manner, so that the whole elastic plate 7 can rotate by a certain angle. Deformation portion 72 sets up to the arc, and the cross section of arc is the U-shaped, and installation department 71 and deformation portion 72 integrated into one piece, and the both sides of installation department 71 all are provided with deformation portion 72, and deformation portion 72 keeps away from the one end of installation department 71 and is connected with panel 61.
When people walk on the panel 61, acting force generated on the panel 61 is transmitted to the elastic plate 7 and is finally transmitted to the cross beam 22 through the bearing rod 226, and the elastic plate 7 plays a role in shock absorption and energy absorption, so that shock received by the cross beam 22 is effectively reduced, and shock resistance is improved; when panel 61 receives the effort and produces the vibrations of horizontal direction and vertical direction, deformation portion 72 can take place deformation along vertical direction or horizontal direction, and then realizes reducing the vibrations of vertical direction or horizontal direction, improves the shock resistance, improves the holistic security of vestibule.
Referring to fig. 5 and 6, a slot 611 is formed in a side wall of the panel 61 close to the receiving rod 226, one end of the deformation portion 72 is inserted into the slot 611, a plurality of positioning rods 6111 are fixedly disposed in the slot 611 along a vertical direction, the deformation portion 72 is slidably sleeved on the positioning rods 6111, a first elastic member 6112 for blocking the deformation portion 72 from sliding along the positioning rods 6111 is disposed in the slot 611, the first elastic member 6112 is a first spring, two first springs are disposed on each positioning rod 6111, one end of each first spring abuts against the side wall of the slot 611, and the other end of each first spring abuts against the deformation portion 72.
Referring to fig. 7, a base 62 is provided on the bottom plate 6, a receiving roller 63 is rotatably provided on the base 62, the receiving roller 63 is provided along the length direction of the cross beam 22, the length of the receiving roller 63 is equal to the width of the panel 61, and the panel 61 is rotatably provided on the receiving roller 63.
Referring to fig. 7, a first arc-shaped groove 621 matched with the receiving roller 63 is formed in the top wall of the base 62, a second arc-shaped groove 612 matched with the receiving roller 63 is formed in the bottom wall of the panel 61, a driving tooth 631 is arranged on one side of the receiving roller 63 close to the panel 61, and a plurality of tooth grooves 6121 engaged with the driving tooth 631 are formed in the second arc-shaped groove 612.
Referring to fig. 7 and 8, elastic assemblies 8 for preventing the panel 61 from tilting are disposed at both sides of the panel 61 near the cross beam 22, the elastic assemblies 8 include a pulling rope 81, a safety pipe 82 and a second elastic member 83, and four sets of elastic assemblies 8 are disposed correspondingly to each panel 61. The vertical rod 228 is fixedly arranged on the crossbeam 22, the guide wheel 2281 is rotatably arranged on the vertical rod 228 and above the panel 61, the safety pipe 82 is fixedly arranged on the vertical rod 228, two limit rings 821 are slidably arranged in the safety pipe 82, the pull rope 81 is wound on the guide wheel 2281, one end of the pull rope 81 is fixedly connected with the panel 61, the other end of the pull rope penetrates through the safety pipe 82 and is fixedly connected with the limit rings 821, the second elastic part 83 is arranged in the safety pipe 82 and is used for driving the two limit rings 821 to move towards the mutually approaching direction, the second elastic part 83 is a tension spring, and two ends of the tension spring are respectively and fixedly connected with the two limit rings 821.
Referring to fig. 7 and 8, a fixing pin 632 is fixedly provided at the bottom of the receiving roller 63, and when the panel 61 is in a horizontal state, the fixing pin 632 is positioned directly below the central axis of the receiving roller 63. The fixing pin 632 is fixedly connected with a connecting rope 6321, and one end of the connecting rope 6321 far away from the fixing pin 632 passes through the safety tube 82 and is fixedly connected with the limiting ring 821 far away from the pulling rope 81.
Referring to fig. 7, a buffer member is disposed between the base 62 and the bottom plate 6, a mounting groove 64 is formed on the top wall of the bottom plate 6, the base 62 is disposed in the mounting groove 64, the buffer member is a spring plate 641, the spring plate 641 is made of a steel plate, and the spring plate 641 abuts against the bottom wall of the base 62.
When the panel 61 is stressed unevenly or vibrates to deflect to one side, the pull rope 81 is pulled to move downwards by the downward deflected side of the panel 61, the second elastic piece 83 is pulled by the pull rope 81, the second elastic piece 83 drives the connecting rope 6321 to move, the connecting rope 6321 drives the receiving roller 63 to rotate, and the receiving roller 63 drives the panel 61 to deflect reversely, so that the panel 61 is reset, the phenomenon that the side-changed cross beam 22 is deformed due to the fact that one side of the panel 61 is stressed too much for a long time is prevented, and safety is improved; and shock resistance is improved.
The implementation principle of the embodiment of the application is as follows: during construction, after cantilever beam 21 and crossbeam 22 are installed and are accomplished, through hoist and mount subassembly 5 with a plurality of articulated bracing pieces 221 handling to crossbeam 22 on, then insert sliding block 3 in the sliding tray 222, then be connected couple 2231 and first bracing piece 221, go out pulling haulage rope 223 at another tower 1, move a plurality of bracing pieces 221 to another tower 1 department, until whole bracing piece 221 open completely and even distribution can on crossbeam 22, last bracing piece 221 position is fixed through fixed subassembly 4, accomplish the installation of a plurality of bracing pieces 221, separately install bracing piece 221 and crossbeam 22, need not the overweight structure of handling, and construction convenience.
The embodiment of the application also discloses a construction method of the multi-layer air corridor of the high-rise steel structure building.
A construction method of a multi-layer air corridor of a high-rise steel structure building comprises the following steps:
s1, constructing a temporary support and a cantilever beam 21, fixedly mounting an upright post 211 at one end of the cantilever beam 21 on the ground, hoisting the cantilever beam 21 in place, fixing the cantilever beam 21 on a tower 1, and after the first cantilever beam 21 is mounted in place, arranging three temporary adjusting points on the tower 1, wherein the three temporary adjusting points are respectively positioned above and at two sides of the cantilever beam 21 and are used for adjusting the horizontal elevation and the positioning axis position of the cantilever beam 21 through a chain block and ensuring the stability of a component; the temporary support is formed by welding H-shaped steel, the H-shaped steel is obliquely fixed on the tower 1 and the cantilever beam 21, one end of the H-shaped steel is fixed with the upright post 211 and the cantilever beam 21, and the other end of the H-shaped steel is fixedly connected with the tower 1.
S2, installing the cross beam 22, fixing a traction rope 223 on the cross beam 22 along the length direction of the cross beam 22 on the ground, hoisting the cross beam 22 in place, and then fixing two ends of the cross beam 22 and the cantilever beam 21.
S3, mounting the supporting rods 221, mounting a hoisting assembly 5 on one tower 1, hoisting the plurality of interconnected supporting rods 221 in place through the hoisting assembly 5, then mounting the sliding block 3 into the sliding groove 222, connecting the hook 2231 with the supporting rod 221, and then pulling the traction rope 223 by a worker at the other tower 1 so as to uniformly distribute the plurality of supporting rods 221 on the whole cross beam 22, and fixing the sliding block 3 through the fixing assembly 4. After the support rod 221 is installed, the connecting bar 224 is installed to prevent the sliding block 3 from separating from the sliding groove 222, thereby improving safety.
S4, mounting the residual steel structure; all girder steel connection all adopt the slip form to install before the construction is accomplished, do not fasten the bolt, wait that whole even roof beam structure installation is accomplished after, screw up the bolt of each node again.
During construction, after the first cantilever beam 21 is installed in place, three temporary adjusting points are respectively located above and at two sides of the cantilever beam 21 and used for adjusting the horizontal elevation and the positioning axis position of the cantilever beam 21 through a chain block and ensuring the stability of a component; a plurality of interconnected support rods 221 are hoisted in place through the hoisting assembly 5, then the sliding block 3 is installed in the sliding groove 222, the hook 2231 is connected with the support rod 221, then a worker positioned at another tower 1 pulls the traction rope 223, so that the plurality of support rods 221 are uniformly distributed on the whole cross beam 22, the sliding block 3 is fixed through the fixing assembly 4, construction is convenient, the support rods 221 and the cross beam 22 are separately installed, an overweight hoisting structural member is not needed, and safety is improved.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an aerial vestibule of high-rise steel structure building multilayer, includes vestibule body (2) and two tower (1), its characterized in that: the corridor body (2) comprises an overhanging beam (21) and two cross beams (22), the cantilever beam (21) is fixedly arranged on the tower (1), two ends of the cross beam (22) are respectively and fixedly connected with the cantilever beams (21) on the two towers (1), the side walls, close to each other, of the two cross beams (22) are provided with sliding grooves (222) along the length direction of the cross beam (22), a plurality of support rods (221) are arranged on the cross beam (22) in a sliding manner along the length direction of the cross beam (22), a sliding block (3) is arranged between every two adjacent support rods (221), the supporting rod (221) is hinged on the sliding block (3), the sliding block (3) is arranged in the sliding groove (222) in a sliding manner, the cross beam (22) is provided with a fixing component (4) used for limiting the position of the support rod (221), a hoisting assembly (5) for hoisting a structural member is arranged on the tower (1); the beam (22) is provided with a hauling rope (223) along the length direction of the beam (22), and one end, close to the hoisting component (5), of the hauling rope (223) is provided with a hook (2231).
2. The high-rise steel structure building multi-storey air corridor according to claim 1, wherein: be provided with on crossbeam (22) and be used for with sliding block (3) butt in order to prevent that sliding block (3) from breaking away from spacing strip (225) of sliding tray (222), crossbeam (22) are close to the fixed connecting strip (224) that is provided with of one end of bracing piece (221), spacing strip (225) can be dismantled and connect on connecting strip (224).
3. The multi-storey air corridor of high-rise steel structure buildings according to claim 2, wherein: the one end slip cover that bracing piece (221) was kept away from in sliding block (3) is equipped with movable shell (31), be provided with in movable shell (31) and be used for driving about movable shell (31) to keeping away from pressure spring (311) of sliding block (3) direction motion, be provided with the anticreep portion that is used for preventing that movable shell (31) break away from sliding block (3) on movable shell (31) and sliding block (3).
4. The multi-storey air corridor of high-rise steel structure buildings according to claim 1, wherein: the utility model discloses a supporting rod, including bracing piece (221), bottom plate (6), top of bottom plate (6) are provided with panel (61), panel (61) set up a plurality ofly along the length direction of crossbeam (22), are provided with between two adjacent panels (61) and accept pole (226), the both ends of accepting pole (226) are fixed to be set up on two crossbeams (22), be provided with elastic plate (7) on accepting pole (226), the both sides of elastic plate (7) are connected with two adjacent panels (61) respectively.
5. The multi-storey air corridor of high-rise steel structure buildings according to claim 4, wherein: elastic plate (7) include installation department (71) and deformation portion (72), installation department (71) cover is located on accepting pole (226), deformation portion (72) set up to the arc, the both sides of installation department (71) all are provided with deformation portion (72), deformation portion (72) keep away from the one end of installation department (71) and are connected with panel (61).
6. The high-rise steel structure building multi-storey air corridor according to claim 5, wherein: the bottom plate (6) is provided with a base (62), the base (62) is provided with a receiving roller (63) in a rotating mode, the receiving roller (63) is arranged along the length direction of the cross beam (22), the panel (61) is arranged on the receiving roller (63) in a rotating mode, elastic assemblies (8) used for preventing the panel (61) from inclining are arranged on two sides, close to the cross beam (22), of the panel (61), a slot (611) is formed in the side wall, close to the receiving rod (226), of the panel (61), one end of the deformation portion (72) is inserted into the slot (611), a plurality of positioning rods (6111) are fixedly arranged in the slot (611) in the vertical direction, the deformation portion (72) is slidably sleeved on the positioning rods (6111), and a first elastic piece (6112) used for preventing the deformation portion (72) from sliding along the positioning rods (6111) is arranged in the slot (611); a buffer piece is arranged between the base (62) and the bottom plate (6).
7. The multi-storey air corridor for high-rise steel structure buildings according to claim 6, wherein: a first arc-shaped groove (621) used for being matched with the carrying roller (63) is formed in the top wall of the base (62), a second arc-shaped groove (612) used for being matched with the carrying roller (63) is formed in the bottom wall of the panel (61), driving teeth (631) are arranged on one side, close to the panel (61), of the carrying roller (63), and a plurality of tooth grooves (6121) used for being meshed with the driving teeth (631) are formed in the second arc-shaped groove (612); the safety pipe is characterized in that a vertical rod (228) is fixedly arranged on the beam (22), a guide wheel (2281) is rotatably arranged above the vertical rod (228) and positioned on the panel (61), the elastic component (8) comprises a pull rope (81), a safety pipe (82) and a second elastic piece (83), the safety pipe (82) is arranged on the vertical rod (228), two limit rings (821) are arranged in the safety pipe (82) in a sliding manner, the pull rope (81) is arranged on the guide wheel (2281) in a winding manner, one end of the pull rope (81) is fixedly connected with the panel (61), the other end of the pull rope penetrates through the safety pipe (82) and is fixedly connected with the limit rings (821), the second elastic piece (83) is arranged in the safety pipe (82) and used for driving the two limit rings (821) to move towards the directions close to each other, a fixing pin (632) is fixedly arranged at the bottom of the receiving roller (63), and a connecting rope (6321) is fixedly connected with the fixing pin (632), one end of the connecting rope (6321) far away from the fixing pin (632) penetrates through the safety pipe (82) and is fixedly connected with the limiting ring (821) far away from the pull rope (81).
8. The multi-storey air corridor for high-rise steel structure buildings according to claim 7, wherein: mounting groove (64) have been seted up to the roof of bottom plate (6), base (62) set up in mounting groove (64), the bolster sets up to spring board (641), the diapire butt of spring board (641) and base (62).
9. A construction method of the multi-story air corridor of the high-rise steel structure building according to any one of claims 1 to 8, wherein: the method comprises the following steps:
s1, temporary supporting and cantilever beam (21) construction, wherein an upright post (211) is fixedly installed at one end of the cantilever beam (21) on the ground, the cantilever beam (21) is hoisted in place, the cantilever beam (21) is fixed on a tower (1), three temporary adjusting points are arranged on the tower (1) after the first cantilever beam (21) is installed in place, the three temporary adjusting points are respectively located above and at two sides of the cantilever beam (21) and used for adjusting the horizontal elevation and the positioning axis position of the cantilever beam (21) through a chain block and ensuring the stability of a component; the temporary support is arranged by welding H-shaped steel, the H-shaped steel is obliquely fixed on the tower (1) and the cantilever beam (21), one end of the H-shaped steel is fixed with the upright post (211) and the cantilever beam (21), the other end of the H-shaped steel is fixedly connected with the tower (1),
S2, installing a cross beam (22), fixing a traction rope (223) on the cross beam (22) along the length direction of the cross beam (22) on the ground, hoisting the cross beam (22) in place, and fixing two ends of the cross beam (22) and the cantilever beam (21);
s3, mounting supporting rods (221), mounting a hoisting assembly (5) on one tower (1), hoisting the supporting rods (221) which are connected with one another in place through the hoisting assembly (5), mounting a sliding block (3) into a sliding groove (222), connecting a hook (2231) with the supporting rods (221), pulling a traction rope (223) by a worker positioned on the other tower (1) to uniformly distribute the supporting rods (221) on the whole cross beam (22), and fixing the sliding block (3) through a fixing assembly (4);
and S4, mounting the residual steel structure.
10. The construction method of the multi-storey air corridor of the high-rise steel structure building according to claim 9, wherein the construction method comprises the following steps: all girder steel connection all adopt the slip form to install before the construction is accomplished, and the bolt is not fastened, waits to complete the installation of whole even roof beam structure, screws up the bolt of each node again.
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| CN202210181902.4A CN114517523B (en) | 2022-02-25 | 2022-02-25 | Multi-layer air corridor for high-rise steel structure building and construction method thereof |
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| CN202210181902.4A CN114517523B (en) | 2022-02-25 | 2022-02-25 | Multi-layer air corridor for high-rise steel structure building and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024093352A1 (en) * | 2023-06-05 | 2024-05-10 | 浙江万里建设工程有限公司 | Aerial pipe corridor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020096484A1 (en) * | 2001-01-23 | 2002-07-25 | Piero Bertinotti | Tower crane with composite structure, self-assembling, with folding and telescoping tower, and arm made up of several sections |
| CN108193586A (en) * | 2018-02-12 | 2018-06-22 | 黄河科技学院 | A kind of emergent bridge of camouflage-type large span automation fast joint type stretching, extension |
| CN108867996A (en) * | 2018-06-19 | 2018-11-23 | 隆生国际建设集团有限公司 | Building corridor formula truss |
| CN109944235A (en) * | 2019-04-23 | 2019-06-28 | 广东中人岩土工程有限公司 | A kind of anti-collapse aperture apparatus of rotary digging stake |
| CN110318459A (en) * | 2019-07-04 | 2019-10-11 | 金环建设集团有限公司 | The horizontal accumulation of large-span steel vestibule slides and vertical fliping lifting installation method |
| CN111206675A (en) * | 2020-01-16 | 2020-05-29 | 广东省建筑构件工程有限公司 | Steel structure corridor structure and hoisting construction method |
| CN111997202A (en) * | 2020-09-01 | 2020-11-27 | 常州工学院 | Cover plate folding and opening type mechanical attic device |
| CN112554343A (en) * | 2020-09-28 | 2021-03-26 | 唐明国 | Multi-layer large-span bidirectional multi-span space steel grid box type structure of building |
| CN214784766U (en) * | 2021-01-15 | 2021-11-19 | 广东建星建造集团有限公司 | Novel portable building sunshade device |
-
2022
- 2022-02-25 CN CN202210181902.4A patent/CN114517523B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020096484A1 (en) * | 2001-01-23 | 2002-07-25 | Piero Bertinotti | Tower crane with composite structure, self-assembling, with folding and telescoping tower, and arm made up of several sections |
| CN108193586A (en) * | 2018-02-12 | 2018-06-22 | 黄河科技学院 | A kind of emergent bridge of camouflage-type large span automation fast joint type stretching, extension |
| CN108867996A (en) * | 2018-06-19 | 2018-11-23 | 隆生国际建设集团有限公司 | Building corridor formula truss |
| CN109944235A (en) * | 2019-04-23 | 2019-06-28 | 广东中人岩土工程有限公司 | A kind of anti-collapse aperture apparatus of rotary digging stake |
| CN110318459A (en) * | 2019-07-04 | 2019-10-11 | 金环建设集团有限公司 | The horizontal accumulation of large-span steel vestibule slides and vertical fliping lifting installation method |
| CN111206675A (en) * | 2020-01-16 | 2020-05-29 | 广东省建筑构件工程有限公司 | Steel structure corridor structure and hoisting construction method |
| CN111997202A (en) * | 2020-09-01 | 2020-11-27 | 常州工学院 | Cover plate folding and opening type mechanical attic device |
| CN112554343A (en) * | 2020-09-28 | 2021-03-26 | 唐明国 | Multi-layer large-span bidirectional multi-span space steel grid box type structure of building |
| CN214784766U (en) * | 2021-01-15 | 2021-11-19 | 广东建星建造集团有限公司 | Novel portable building sunshade device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024093352A1 (en) * | 2023-06-05 | 2024-05-10 | 浙江万里建设工程有限公司 | Aerial pipe corridor |
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