CN111502006B - Bird nest structure and construction method thereof - Google Patents
Bird nest structure and construction method thereof Download PDFInfo
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- CN111502006B CN111502006B CN202010329853.5A CN202010329853A CN111502006B CN 111502006 B CN111502006 B CN 111502006B CN 202010329853 A CN202010329853 A CN 202010329853A CN 111502006 B CN111502006 B CN 111502006B
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 235000005770 birds nest Nutrition 0.000 title claims abstract description 29
- 235000005765 wild carrot Nutrition 0.000 title claims abstract description 29
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- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims description 50
- 238000009434 installation Methods 0.000 claims description 38
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 230000035515 penetration Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000005536 corrosion prevention Methods 0.000 claims description 3
- 239000002360 explosive Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 244000000626 Daucus carota Species 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 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
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
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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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a bird nest structure and a construction method thereof, belonging to the technical field of steel structure building construction and comprising the following steps: the temporary support is detachably arranged on a preset construction site; the circular steel pipe truss is arranged on the top surface of the temporary support; and the lantern skeleton of installing is carried out through the tower crane along the frame of interim support, wherein, interim support includes: the embedded part is arranged at the bottom of a preset construction site; a plurality of upright posts which are vertically and detachably arranged on the embedded part; a plurality of horizontal detachable beams arranged on the plurality of upright posts; and the connecting piece is arranged on the temporary support and used for connecting the upright post and the cross beam. The invention aims to provide a bird nest structure and a construction method thereof, which can ensure that workers can conveniently and firmly install a bird nest building on a temporary support and ensure the working safety of the workers on the temporary support.
Description
Technical Field
The invention relates to the technical field of steel structure building construction, in particular to a bird nest structure and a construction method thereof.
Background
When the mechanical load of the bird nest structure reaches the building requirement, people often look back more eyes due to the unique shape and the beautiful shape of the bird nest structure.
At present, because the needs of interim decoration of exhibition room, exhibition often need build the decoration outward appearance frame of bird's nest type fast, but, build to the outward appearance frame of bird's nest structure building, often need use lifting device to hoist and mount, and hoist and mount bird's nest structure then need build temporary support with regard to, make things convenient for the staff to building the linking makeup work of hoist and mount and subsequent quick processing work. And present temporary support fastness is in the installation, often use lantern ring structure to connect, but behind the locking of general lantern ring cover, the pivoted condition still can appear in the junction of these supports, moreover, the bottom and the ground junction that can appear the support after receiving the collision of material when hoist and mount, the crossbeam stand junction of support appears not hard up unstable condition, often make temporary support's fastness go wrong, lead to the staff can not stabilize and carry out work on temporary support, the injured condition of staff appears easily.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a bird nest structure and a construction method thereof, which can ensure that workers can conveniently and firmly install a bird nest building on a temporary support and ensure the working safety of the workers on the temporary support.
The above object of the present invention is achieved by the following technical solutions:
a bird nest structure comprising: the temporary support is detachably arranged on a preset construction site; the circular steel tube truss is arranged on the top surface of the temporary support; and along the frame of interim support, the lantern skeleton of installing through the tower crane, wherein, interim support includes: the embedded part is arranged at the bottom of a preset construction site; a plurality of upright posts which are vertically and detachably arranged on the embedded part; a plurality of horizontal detachable cross beams arranged on the plurality of upright posts; and set up on interim support, be used for with the stand and the connecting piece that the crossbeam is connected, the lantern skeleton includes: a plurality of mounting node mounts disposed along the temporary support at a top edge and a bottom edge of the temporary support; a plurality of lantern frame cross beams mounted on the mounting node bases and located at the top edge and the bottom edge of the temporary support; a plurality of lantern frame uprights mounted on the lantern frame cross beam and located between the top and the bottom of the temporary support; and a plurality of lantern skew members arranged in a frame formed by the lantern frame cross beams and the lantern frame upright posts.
Through adopting the above-mentioned setting, the interim support of setting is as main building carrier, can better supporting and fixed lantern skeleton, the circular steel tube truss, the lantern skeleton of setting passes through the built-in fitting as the bottom fixed point of interim support, the stand of installation carries out the ascending quick installation of vertical side through the connecting piece on the built-in fitting, carry out the crossbeam installation on the horizontal direction between adjacent stand through the connecting piece, make interim support can be quick, firm the establishment, hoist and mount lantern skeleton through the welding fast on the interim support of establishing, form the installation of lantern skeleton.
The invention is further provided that the embedded part comprises: a foundation pit arranged on the top surface of a preset construction site; the mounting block is mounted at the bottom of the foundation pit; the mounting piece is arranged on the top surface of the mounting block and is used for being connected with the upright post; an auxiliary reinforcing support connected between the mounting member and the mounting block; and the first fixing piece is used for connecting the auxiliary reinforcing support, the mounting block and the foundation pit.
Through adopting the above setting, the installation piece of installation in the foundation ditch and the supplementary support of strengthening on the installation piece loading end are connected fixedly through first mounting, can make the installation piece stabilize and fix in the foundation ditch, and can firmly install the stand through the installed part, thereby make interim support can stabilize and set up on the construction site, and then can improve the stability of installed part through supplementary support of strengthening, thereby can play better supplementary firm effect to the installation of stand.
The invention further provides that the mounting comprises: the mounting pipe is fixed on the bearing surface at the top of the mounting block and penetrates through the auxiliary reinforcing support; the first internal thread is arranged on the inner wall of the mounting pipe; the first external thread is arranged at the bottom of the upright post and matched with the first internal thread; the second external thread is arranged on the outer wall of the mounting pipe; the connecting sleeve is sleeved on the upright post; a second internal thread which is arranged on the inner wall of the connecting sleeve and is matched with the second external thread; the second fixing piece penetrates through the connecting sleeve, the mounting pipe, the upright post and is used for fixing the upright post on the mounting pipe; and the hexahedron is arranged on the upright post cylinder, on the connecting sleeve body, and is used for installing the upright post on the installation pipe and installing the connecting sleeve on the installation pipe.
Through adopting the above-mentioned setting, the installation pipe of setting can provide the connection space and be connected between stand and the installation piece, through first internal thread, the setting of first external screw thread can make the stand firm, convenient installation is on the installation pipe, the adapter sleeve of establishing on the stand can pass through the second internal thread, thereby the setting of second external screw thread can make between adapter sleeve and the installation pipe can be firm, fix conveniently, the connection of double thread makes the stand can very firmly set up in the installation pipe, can be with the adapter sleeve through the second mounting, the installation pipe, the stand is further fixed on the installation pipe, and the hexahedron that sets up then can convenient staff to the stand, the wrench movement operation of adapter sleeve, thereby can be better to the installation setting that carries out temporary support.
The invention is further configured such that the connector comprises: the connecting seat is arranged between two adjacent upright columns in the vertical direction; the first through grooves are formed in the positions, connected with the stand columns, of the top and the bottom of the connecting seat; a third internal thread arranged at the position of the inner wall of the first through groove; a third external thread which is arranged at the connecting part of the upright post and the connecting seat and is matched with the third internal thread; dovetail clamping grooves formed in the positions of the two sides of the connecting seat and connected with the cross beam; the dovetail clamping strip is fixed at the position of the connecting end of the cross beam and the connecting seat and matched with the dovetail clamping groove; the first locking reinforcing bolt penetrates through the dovetail clamping groove and the dovetail clamping strip; and the reinforcing piece is sleeved and fixed at the position of the outer wall of the connecting seat and used for reinforcing the connection between the upright post and the connecting seat.
Through adopting the above-mentioned setting, the connecting piece of setting passes through the third internal thread, cooperation between the third external screw thread, thereby make the stand can be firm, connect through the connecting seat conveniently, make the stand can extend on vertical direction, through the forked tail draw-in groove, cooperation between the forked tail card strip, thereby make the crossbeam can be firm, set up between double-phase adjacent connecting seat conveniently, the setting of bolt and reinforcement is strengthened in the first locking of rethread, then can be better with crossbeam and column mouting on the connecting seat.
The invention further provides that the reinforcement comprises: a through hole penetrating through the upright post and the connecting seat; the first sleeving cover is arranged on the connecting part of the upright post and the connecting seat; the second sleeving cover is arranged on the connecting part of the upright post and the connecting seat and matched with the first sleeving cover; the first connecting pipe is fixed on the first nesting cover and penetrates through the through hole; the second connecting pipe is fixed on the second sheathing cover, penetrates through the through hole and is inserted and combined on the first connecting pipe; and a second locking reinforcing bolt penetrating through the first and second sheathing covers.
Through adopting the above-mentioned setting, the reinforcement that sets up is through first registrates the lid, second registrates the lid and is connected with the connecting seat and can carry out further fixed to connecting seat and stand, and through first connecting pipe, the second connecting pipe can make to insert each other to close and connect first registrates lid and second registrates the lid, strengthen first registrates the lid, be connected fixedly between second registrates the lid and the connecting seat, strengthen the bolt through the second locking and can cover first registrates, lock each other between the second registrates the lid, make first registrates the lid, the second registrates the lid can firmly stably set up on the connecting seat.
The invention is further provided with a rubber paste adhered to the connecting part of the first connecting pipe and the second connecting pipe.
Through adopting above-mentioned setting, the rubber subsides of setting can improve the connection stability between first connecting pipe, the second connecting pipe to can improve the connection stability between first cover, the second cover of registing and the connecting seat.
The invention is further provided that the welding is adopted between the lantern frame cross beam and the installation node base, between the lantern frame upright post and the lantern frame cross beam, and between the lantern diagonal member and the lantern frame cross beam.
Through adopting the above arrangement, the penetration welding is adopted between the lantern frame cross beam and the installation node base, between the lantern frame vertical column and the lantern frame cross beam, and between the lantern diagonal member and the lantern frame cross beam, and the welding quality and the welding speed of the penetration welding are superior to those of the common argon arc welding.
The invention is further provided with that the round steel pipe truss and the lantern framework are welded through fusion.
Through adopting above-mentioned setting, adopt the penetration welding between circular steel tube truss and the lantern skeleton, penetration welding's welding quality and welding speed are superior to general argon arc and weld.
The invention is further provided with an auxiliary support frame arranged on the temporary support.
Through adopting above-mentioned setting, the auxiliary stay frame can improve the stability that interim support set up betterly to can hoist and mount lantern skeleton firmly steadily.
Another object of the present invention is to provide a method for constructing a bird nest structure, comprising:
step A: welding and prefabricating a plurality of lantern framework members on the lantern framework with the bird nest structure type;
and B: polishing the welding part of the lantern framework, and performing rust removal and corrosion prevention treatment on the internal structure of the lantern framework;
and C: transporting the components of the plurality of lantern frameworks, the circular steel tube truss, the plurality of stand columns, the cross beams, the embedded parts and the connecting pieces to preset positions, and cleaning a construction site;
step D: installing an embedded part at a preset position, locking the embedded part by using an explosive bolt, and welding the embedded part and the construction ground provided with the embedded part by adopting manual welding;
step E: installing the stand columns at the bottommost layer of the temporary support on the embedded parts, installing and connecting a plurality of stand columns in the vertical direction through connecting parts to enable stand column groups on a single embedded part to reach a preset building height, installing cross beams in the horizontal direction of the stand column groups, and installing reinforcing parts on the connecting parts to reinforce the connection of the connecting parts;
step F: connecting the upright columns in a surrounding manner along the embedded parts, correspondingly clamping and connecting the cross beams, mounting node bases at eight angular positions of the temporary support, and hoisting, welding and fixing the lantern frame cross beams in the lantern framework on the top edge and the bottom edge of the temporary support on the mounting node bases;
step G: hoisting and welding lantern frame stand columns at the positions between the lantern frame cross beams at the top and the bottom and at the four corners of the temporary support, and hoisting and welding lantern diagonal members in a frame formed by two adjacent lantern frame stand columns and the lantern frame cross beams at the top and the bottom;
step H: hoisting all the diagonal lantern members from the lower part, sequentially hoisting until all the diagonal lantern members are completely installed, and grinding and polishing the welding parts of the framework of the lantern by adopting penetration welding at each intersection point in the diagonal lantern members;
step I: dismantling the part of the temporary support higher than the lantern framework, placing the temporary support in a middle vacant position of the lantern framework, building a full red steel pipe scaffold inside the lantern framework, laying a temporary operation fireproof plate, and hoisting a circular steel pipe truss;
step J: and (4) carrying out quality inspection on the temporary support, the lantern framework and the round steel pipe truss, cleaning a construction site, and dismantling the hoisting equipment.
In conclusion, the invention has the following beneficial effects:
the temporary support is used as a main building carrier, the lantern framework and the round steel pipe truss can be well supported and fixed, the lantern framework is used as a bottom fixing point of the temporary support through the embedded part, the stand columns installed on the embedded part are quickly installed in the vertical direction through the connecting part, and the cross beams in the horizontal direction are installed between the adjacent stand columns through the connecting part; the temporary support can be quickly and stably erected, the lantern framework is quickly hoisted on the erected temporary support through welding, and therefore fixing and installation of the lantern framework can be quickly achieved.
Drawings
FIG. 1 is a schematic view of the overall structure in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an embedment in an embodiment of the invention;
fig. 4 is a schematic sectional view of a connector according to an embodiment of the present invention.
Reference numerals: 1. a column; 2. a cross beam; 31. a foundation pit; 32. mounting blocks; 33. an auxiliary reinforcing support; 341. installing a pipe; 342. a first internal thread; 343. a first external thread; 344. a second external thread; 345. a second internal thread; 346. connecting sleeves; 347. a second fixing member; 351. a connecting seat; 352. a first through groove; 353. a third internal thread; 354. a third external thread; 355. a dovetail slot; 356. dovetail clamping strips; 357. a first locking reinforcement bolt; 361. a through hole; 362. a first nesting cover; 363. a second cover; 364. a first connecting pipe; 365. a second connecting pipe; 37. sticking rubber; 41. installing a node seat; 42. a lantern frame beam; 43. a lantern rack upright post; 44. a lantern diagonal member; 5. a round steel pipe truss; 6. an auxiliary support frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In this embodiment:
the utility model provides a bird's nest structure, as shown in fig. 2, 3, has evenly seted up a plurality of foundation ditch 31 on the top surface of predetermineeing the construction place, and a plurality of these foundation ditches 31 wholly are "back" style of calligraphy setting on the construction place, all installs installation piece 32 in the bottom position of every foundation ditch 31, and this installation piece 32 wholly is the square body form.
Meanwhile, the mounting piece is mounted on the top bearing surface of each mounting block 32, the temporary support is detachably mounted on the mounting piece, in addition, a lantern framework is mounted along the frame of the temporary support in a tower crane mode, and a round steel pipe truss 5 is mounted on the top surface of the temporary support, wherein the temporary support comprises a plurality of stand columns 1 and a plurality of cross beams 2.
A plurality of columns 1 are vertically detachably mounted on the mounting block 32, a plurality of beams 2 are horizontally detachably mounted between adjacent columns 1, and a mounting member capable of mounting the columns 1 is mounted at the top position of the mounting block 32.
As shown in fig. 3, in the present embodiment, the mounting member includes a mounting tube 341, a first internal thread 342, a first external thread 343, a second external thread 344, a connecting sleeve 346, a second internal thread 345, a second fixing member 347, and a hexahedron.
Wherein, this installation pipe 341 is fixed in the top loading end department of installation piece 32, body outer wall position department cover of installation pipe 341 is established and is fixed with supplementary enhancement support 33, the bottom of this supplementary enhancement support 33 and the top surface of installation piece 32 adopt the welding mode to fix, in addition, run through supplementary enhancement support 33, installation piece 32 is connected with foundation ditch 31 has first mounting, in this embodiment, this first mounting is ordinary reinforcing bolt, and simultaneously, first internal thread 342 has been seted up in the inner wall position department of installation pipe 341, and, install 1 bottom position department of stand on this installation piece 32 and seted up with first internal thread 342 assorted first external screw thread 343.
In addition, a connecting sleeve 346 is sleeved on the position of the upright post 1 on the mounting block 32, the position of the inner wall of the connecting sleeve 346 is provided with the second internal thread 345, and the position of the top of the mounting tube 341 is provided with the second external thread 344 matching with the second internal thread 345, in this embodiment, the thread directions of the first external thread 343 and the second external thread 344 are opposite, the thread directions of the first internal thread 342 and the second internal thread 345 matching with the first external thread are opposite, the threaded connection is adopted between the upright post 1 and the mounting tube 341 and between the mounting tube 341 and the connecting sleeve 346, meanwhile, the mounting tube 341 sequentially penetrates through the connecting sleeve 346, the mounting tube 341 and the upright post 1 and is fixed with a second fixing piece 347, in this embodiment, the second fixing piece 347 is connected by using a common reinforcing bolt, and hexahedrons are fixed on the column 1 and the sleeve body of the connecting sleeve 346 (not shown in the figure, the concrete expression is that the column 1 cylinder and the sleeve body of the connecting sleeve 346 have a hexahedral structure with a thickness of 3 cm), and the vertical column 1 can be conveniently installed on the installation pipe 341 and the connecting sleeve 346 can be conveniently installed on the installation pipe 341 by a worker through the hexahedron.
In the present embodiment, after the columns 1 mounted on the mounting blocks 32 are fixed, a plurality of columns 1 are mounted at the top positions of the bottom columns 1 by extending in the vertical direction through connecting members.
In this embodiment, as shown in fig. 4, the connector includes a connecting seat 351, a first through slot 352, a third internal thread 353, a third external thread 354, a dovetail slot 355, a dovetail locking bar 356, a first locking reinforcing bolt 357, and a reinforcing member.
The connecting seat 351 is arranged between every two adjacent vertical columns 1 in the vertical direction, the first through groove 352 is arranged at the connecting part of the top and the bottom of the connecting seat 351 and the vertical column 1, the third internal thread 353 is arranged on the inner wall of the first through groove 352, the third external thread 354 is arranged at the connecting part of the vertical column 1 and the connecting seat 351, which is matched with the third internal thread 353, meanwhile, the dovetail clamping groove 355 is arranged at the connecting part of the connecting seat 351 and the cross beam 2, the dovetail clamping strip 356 which is matched with the dovetail clamping groove 355 is fixed at the connecting end of the cross beam 2 and the connecting seat 351, the cross beam 2 is clamped on the dovetail clamping groove 355 through the dovetail clamping strip 356 and is fixed between the two adjacent vertical columns 1, in addition, the auxiliary supporting frame 6 is fixed between the two adjacent cross beams 2, the auxiliary supporting frame 6 is arranged in an X shape, the first locking reinforcing bolt 357 is provided through the dovetail groove 355 and the dovetail clip 356, and the cross beam 2 and the connecting seat 351 are further fixed by the first locking reinforcing bolt 357.
In this embodiment, a reinforcing member capable of reinforcing the connection between the upright post 1 and the connecting seat 351 is fixedly sleeved on the outer wall of the connecting seat 351.
The reinforcing member includes a through hole 361, a first fitting cover 362, a second fitting cover 363, a first connecting pipe 364, a second connecting pipe 365, and a second locking reinforcing bolt.
The through hole 361 is opened through and communicates the upright post 1 and the connecting seat 351, the first fitting cover 362 is disposed on the connecting portion of the upright post 1 and the connecting seat 351, the second fitting cover 363 is disposed on the connecting portion of the upright post 1 and the connecting seat 351, and the first fitting cover 362 and the second fitting cover 363 are engaged with each other through a first connecting pipe 364 and a second connecting pipe 365, in this embodiment, the first connecting pipe 364 is fixed on the first fitting cover 362 and penetrates through the through hole 361, the second connecting pipe 365 is fixed on the second fitting cover 363 and also penetrates through the through hole 361, wherein a rubber patch 37 is attached to the connecting portion of the second connecting pipe 365 in the first connecting pipe 364, the diameter of the outer wall of the second connecting pipe 365 matches with the diameter of the rubber patch 37 on the inner wall of the pipe body of the first connecting pipe 364, the second connecting pipe 365 can be inserted into the first connecting pipe 364, and penetrates through the first fitting cover, the second fitting cover 362 and the second connecting pipe 364, The second cover 363 fixes the first cover 362 and the second cover 363 to each other.
As shown in fig. 1 and fig. 2, the lantern frame includes a plurality of mounting node bases 41 arranged along the octagonal direction of the temporary support and located at the top edge and the bottom edge of the temporary support, a plurality of lantern frame beams 42 are mounted on the mounting node bases 41, the total number of the lantern frame beams 42 is eight, wherein four lantern frame beams 42 are located at the top edge of the temporary support, and the other four lantern frame beams 42 are located at the bottom edge of the temporary support, the two closed structures of the lantern frame beams 42 at the top edge and the bottom edge of the temporary support are both arranged in a horizontal shape, and lantern frame columns 43 are mounted on the lantern frame beams 42 at positions between the top and the bottom of the temporary support, the total number of the lantern frame columns 43 is four, two ends of the four lantern frame columns 43 are respectively fixed with four corners of the structure formed by the two lantern frame beams 42, furthermore, a lantern diagonal member 44 is provided in a vertical frame of a square shape formed by the two adjacent lantern frame columns 43 and the two adjacent lantern frame beams 42.
Moreover, the penetration welding is adopted between the lantern frame cross beam 42 and the installation node base 41, between the lantern frame upright column 43 and the lantern frame cross beam 42, and between the lantern diagonal member 44 and the lantern frame cross beam 42, and meanwhile, the penetration welding is adopted between the round steel pipe truss 5 and the lantern framework.
The embodiment further provides a construction method of a bird nest structure, which includes the following steps:
step A: welding prefabrication of a plurality of lantern framework components is carried out on the lantern framework with the bird nest structure type in a workshop of a professional processing factory, the distance between the flame center and a molten pool during welding is not less than 2mm, a welding torch cannot swing transversely, and one welding seam cannot be interrupted after one-time welding;
and B: polishing the welding part of the lantern framework by a manual polishing method, removing welding slag and craters, performing repair welding after finding out a sand hole defect, and coating two iron oxide red epoxy primers on the internal structure of the lantern framework to perform rust removal and corrosion prevention treatment;
and C: transporting the components of the lantern frameworks, the circular steel tube truss 5, the stand columns 1, the cross beams 2, the embedded parts and the connecting parts to a construction site, cleaning the construction site, and setting and operating tower crane equipment for installing the lantern frameworks;
step D: installing a drawing pattern in a preset construction site, installing an embedded part in the construction site, locking an explosive bolt for the embedded part, and welding and further fixing the embedded part and the construction ground provided with the embedded part by adopting manual welding;
step E: the method comprises the following steps that (1) stand columns 1 at the bottommost layer of a temporary support are installed on embedded parts, a plurality of stand columns 1 are installed and connected in the vertical direction through connecting pieces, after a stand column 1 group on a single embedded part meets the set building requirement, a cross beam 2 is installed in a clamping mode in the horizontal direction of the stand column 1 group, and reinforcing pieces are installed on the connecting pieces to reinforce the connection of the connecting pieces;
step F: connecting the upright posts 1 in a surrounding manner along the embedded parts, and correspondingly clamping and connecting the cross beams 2 to form a temporary support in a rectangular frame shape, installing node bases 41 at eight angular positions of the temporary support, and hoisting, welding and fixing lantern frame cross beams 42 in a lantern framework on the top edge and the bottom edge of each of the node bases 41, which are positioned on the temporary support;
step G: hoisting and welding lantern frame stand columns 43 at the positions between the lantern frame cross beams 42 at the top and the bottom and at the four corners of the temporary support, and hoisting and welding lantern diagonal members 44 in a frame formed by two adjacent lantern frame stand columns 43 and the lantern frame cross beams 42 at the top and the bottom;
step H: hoisting all the lantern diagonal members 44 from the lower part, positioning by using numbers and space coordinates prefabricated by a factory, welding with a temporary support after accurate positioning, sequentially hoisting until all the lantern diagonal members 44 are installed, adopting penetration welding at all intersection points in the lantern diagonal members 44, and grinding and polishing the welding parts of the lantern framework;
step I: dismantling the part of the temporary support higher than the lantern framework, placing the temporary support in a middle vacant position of the lantern framework, erecting a full red steel tube hand frame inside the lantern framework, wherein the full red steel tube hand frame is arranged at a position 1m lower than the highest point of the lantern, laying a temporary operation fireproof plate, hoisting a round steel tube truss 5, preferentially hoisting a main truss, and hoisting a secondary member and a truss;
step J: and (5) carrying out quality inspection on the temporary support, the lantern framework and the round steel pipe truss 5, cleaning a construction site, and dismantling the hoisting equipment.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. A bird nest structure, comprising: the temporary support is detachably arranged on a preset construction site; a round steel pipe truss (5) arranged on the top surface of the temporary support; and along the frame of interim support, the lantern skeleton of installing through the tower crane, wherein, interim support includes: the embedded part is arranged at the bottom of a preset construction site; a plurality of vertical columns (1) which are vertically and detachably arranged on the embedded parts; a plurality of horizontal detachable cross beams (2) arranged on the plurality of upright posts (1); and the connecting piece is arranged on the temporary support and used for connecting the upright post (1) and the cross beam (2), and the lantern framework comprises: a plurality of mounting node mounts (41) disposed along the temporary support at a top edge and a bottom edge of the temporary support; a plurality of lantern frame cross beams (42) mounted on the mounting node bases (41) and located at the top edge and the bottom edge of the temporary support; a plurality of lantern frame uprights (43) mounted on the lantern frame cross beam (42) and located between the top and the bottom of the temporary support; a plurality of lantern skew members (44) disposed within a framework formed by the lantern frame beams (42) and the lantern frame columns (43), wherein the embedded part comprises: a foundation pit (31) arranged on the top surface of the preset construction site; the mounting block (32) is mounted at the bottom of the foundation pit (31); the mounting piece is arranged on the top surface of the mounting block (32) and is used for being connected with the upright post (1); a supplementary reinforcement support (33) connected between the mounting piece and the mounting block (32); and a first fixing member connecting the auxiliary reinforcing support (33), the mounting block (32), and the foundation pit (31), the connecting member including: the connecting seat (351) is arranged between two adjacent upright columns (1) in the vertical direction; the first through grooves (352) are formed in the positions, connected with the upright post (1), of the top and the bottom of the connecting seat (351); a third internal thread (353) provided at an inner wall position of the first through groove (352); a third external thread (354) which is arranged at the connecting part of the upright post (1) and the connecting seat (351) and is matched with the third internal thread (353); dovetail clamping grooves (355) formed in the positions of the two sides of the connecting seat (351) and connected with the cross beam (2); a dovetail clamping strip (356) fixed at the connecting end position of the cross beam (2) and the connecting seat (351) and matched with the dovetail clamping groove (355); a first locking reinforcement bolt (357) extending through the dovetail slot (355), the dovetail rail (356); and a reinforcing piece which is sleeved and fixed at the position of the outer wall of the connecting seat (351) and used for reinforcing the connection between the upright post (1) and the connecting seat (351).
2. A bird nest structure according to claim 1, wherein the mounting member comprises: the mounting pipe (341) is fixed on the bearing surface at the top of the mounting block (32) and penetrates through the auxiliary reinforcing support (33); a first internal thread (342) provided on an inner wall of the mounting tube (341); a first external thread (343) which is arranged at the bottom of the upright post (1) and is matched with the first internal thread (342); a second external thread (344) provided on an outer wall of the mounting tube (341); a connecting sleeve (346) annularly sleeved on the upright post (1); a second internal thread (345) which is arranged on the inner wall of the connecting sleeve (346) and is matched with the second external thread (344); the second fixing piece (347) penetrates through the connecting sleeve (346), the mounting pipe (341), the upright post (1) and is used for fixing the upright post (1) on the mounting pipe (341); and the hexahedron is arranged on the column body of the upright column (1), on the sleeve body of the connecting sleeve (346), and is used for installing the upright column (1) on the installation pipe (341) and installing the connecting sleeve (346) on the installation pipe (341).
3. A bird nest structure according to claim 1, wherein the reinforcing member comprises: a through hole (361) penetrating through the upright post (1) and the connecting seat (351); a first sheathing cover (362) provided on a connection portion of the pillar (1) and the connection seat (351); a second sleeve cover (363) which is arranged on the connecting part of the upright post (1) and the connecting seat (351) and is matched with the first sleeve cover (362); a first connection pipe (364) fixed to the first fitting cover (362) and penetrating the through hole (361); a second connection pipe (365) fixed to the second fitting cover (363), penetrating the through hole (361), and inserted into the first connection pipe (364); and a second locking reinforcing bolt penetrating through the first sheathing cover (362) and the second sheathing cover (363).
4. A bird nest structure according to claim 3, characterised in that the connection of the first connecting pipe (364) and the second connecting pipe (365) is provided with a rubber patch (37).
5. A bird nest structure according to claim 1 wherein fusion welding is used between the lantern cross-member (42) and the mounting node base (41), between the lantern column (43) and the lantern cross-member (42), and between the lantern cross-member (44) and the lantern cross-member (42).
6. The bird nest structure of claim 1, wherein the round steel tube trusses (5) and the lantern skeleton are welded by fusion penetration.
7. A bird nest structure according to claim 1, characterised in that the temporary support is provided with an auxiliary support (6).
8. A construction method of a bird nest structure based on the bird nest structure of any one of claims 1 to 7, comprising the steps of:
step A: welding and prefabricating a plurality of lantern framework members on the lantern framework with the bird nest structure type;
and B: polishing the welding part of the lantern framework, and performing rust removal and corrosion prevention treatment on the internal structure of the lantern framework;
and C: transporting the components of the plurality of lantern frameworks, the round steel pipe truss (5), the plurality of stand columns (1), the cross beams (2), the embedded parts and the connecting pieces to preset positions, and cleaning a construction site;
step D: installing an embedded part at a preset position, locking the embedded part by using an explosive bolt, and welding the embedded part and the construction ground provided with the embedded part by adopting manual welding;
step E: the method comprises the following steps that (1) stand columns at the bottommost layer of a temporary support are installed on embedded parts, a plurality of stand columns (1) are installed and connected in the vertical direction through connecting pieces, so that stand column groups on a single embedded part reach a preset building height, cross beams (2) are installed in the horizontal direction of the stand column groups, and reinforcing pieces are installed on the connecting pieces to reinforce the connection of the connecting pieces;
step F: connecting the upright posts (1) in a surrounding manner along the embedded parts, correspondingly clamping and connecting the cross beams (2), installing node bases (41) at eight angular positions of the temporary support, and hoisting, welding and fixing lantern frame cross beams (42) in the lantern framework on the top edge and the bottom edge of each node base (41) on the temporary support;
step G: hoisting and welding lantern frame stand columns (43) at the positions between the lantern frame cross beams (42) at the top and the bottom and at the four corners of the temporary support, and hoisting and welding lantern diagonal members (44) in a frame formed by two adjacent lantern frame stand columns (43) and the lantern frame cross beams (42) at the top and the bottom;
step H: hoisting all the lantern diagonal members (44) from the lower part, sequentially hoisting until all the lantern diagonal members (44) are installed, and performing fusion welding on all intersection points in the lantern diagonal members (44) to polish and polish the welding parts of the lantern framework;
step I: dismantling the part of the temporary support higher than the lantern framework, placing the temporary support in a middle vacant position of the lantern framework, building a full red steel tube scaffold inside the lantern framework, laying a temporary operation fireproof plate, and hoisting a circular steel tube truss (5);
step J: and (5) carrying out quality inspection on the temporary support, the lantern framework and the round steel pipe truss (5), cleaning a construction site, and dismantling the hoisting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329853.5A CN111502006B (en) | 2020-04-24 | 2020-04-24 | Bird nest structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329853.5A CN111502006B (en) | 2020-04-24 | 2020-04-24 | Bird nest structure and construction method thereof |
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| CN111502006A CN111502006A (en) | 2020-08-07 |
| CN111502006B true CN111502006B (en) | 2020-12-04 |
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| JP2006226046A (en) * | 2005-02-21 | 2006-08-31 | Yoshiki Morita | Joining body for joining column with beam, and joint structure |
| CN105421740A (en) * | 2015-11-09 | 2016-03-23 | 天津一建建筑工程有限公司 | Formwork structure and construction method for major structure construction in building construction |
| CN106522364B (en) * | 2016-12-19 | 2022-06-03 | 江苏沪宁钢机股份有限公司 | 'garland' steel structure system for stadium periphery and installation process thereof |
| CN209817106U (en) * | 2018-09-10 | 2019-12-20 | 湖南工业大学 | Round plane large-span honeycomb type concrete space grid box type structure |
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