CN109098423B - Full steel pipe scaffold structure for assembling annular suspended dome structure and construction method thereof - Google Patents

Full steel pipe scaffold structure for assembling annular suspended dome structure and construction method thereof Download PDF

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Publication number
CN109098423B
CN109098423B CN201810938056.XA CN201810938056A CN109098423B CN 109098423 B CN109098423 B CN 109098423B CN 201810938056 A CN201810938056 A CN 201810938056A CN 109098423 B CN109098423 B CN 109098423B
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conversion
scaffold
vertical rod
horizontal
rod
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CN109098423A (en
Inventor
袁国平
王杰
曹本福
谢小东
方忠祥
徐星火
陈兴贤
魏金尧
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Zhejiang Zhongnan Lvjian Technology Group Co ltd
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Zhejiang Zhongnan Lvjian Technology Group Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00Scaffolds primarily resting on the ground
    • E04G1/17Comprising essentially pre-assembled three-dimensional elements, e.g. cubic elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00Connections between parts of the scaffold
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00Connections between parts of the scaffold
    • E04G7/02Connections between parts of the scaffold with separate coupling elements
    • E04G7/06Stiff scaffolding clamps for connecting scaffold members of common shape
    • E04G7/24Couplings involving arrangements covered by more than one of the subgroups E04G7/08, E04G7/12, E04G7/20, E04G7/22

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention discloses a full steel pipe scaffold structure for assembling an annular suspended dome structure, which comprises a fastener type steel pipe scaffold component, an inner conversion vertical rod bottom transverse reinforcing horizontal rod, an inner conversion vertical rod top transverse reinforcing horizontal rod and a conversion vertical rod, wherein the conversion vertical rod comprises a lower conversion vertical rod, an inner conversion vertical rod and an upper conversion vertical rod. The construction method comprises the following steps: (1) lofting and determining a construction drawing by a computer; (2) the computer determines the number and the positions of the conversion vertical rods; (3) processing conversion vertical rod parts; (4) The computer lofting determines the accurate position of the scaffold upright rod; (5) erecting a scaffold; and (6) dismantling the scaffold. The invention can effectively solve the technical problem that the lower layer cable system of the annular suspended dome structure is laid and tensioned to collide with the upright rods of the scaffold in the assembling process technically, and is more convenient for the construction of the lower layer cable system of the annular suspended dome structure by converting the combined action of the upright rods and the fastener type steel pipe scaffold.

Description

Full steel pipe scaffold structure for assembling annular suspended dome structure and construction method thereof
Technical Field
The invention belongs to the application technology of novel high-strength steel, and particularly relates to a full steel pipe scaffold structure for assembling an annular suspended dome structure and a construction method thereof.
Background
With the development of modern society and the improvement of the living standard of human beings, people have more and more demands for large-span space. Conventional planar structures such as beams, arches, trusses, steel frames, etc. are limited by their structural characteristics, and it is difficult to cover a large space. The space structure can just meet the structural form required by a large-span building, and the space structure not only has reasonable stress, but also can be made into various beautiful building models. The suspended dome structure has been accepted by the industry by virtue of a reasonable force transmission mechanism, an attractive building effect and economic engineering cost, and has become a star in a space structure through engineering practice application. The suspended dome structure is a novel structure formed by an upper-layer rigid latticed shell, a lower-layer cable system and vertical support rods, wherein the lower-layer cable system is composed of radial cables, circumferential cables and cable clamps. The suspended dome structure provides sufficient vertical stiffness to the structure by prestressing the underlying ropes and forms a horizontally acting self-balancing structural system within the structure. On one hand, the suspended dome structure improves the integral stability of the upper layer reticulated shell structure, so that the structure can span a larger space; on the other hand, the suspended dome structure has certain initial rigidity, the design, construction and formation and the node structure of the suspended dome structure are greatly simplified compared with the cable dome and other completely flexible structures, the actions of the suspended dome structure system on the support are mutually offset to enable the structure to become a self-balancing system, the high-strength tensile property of the cable material can be fully utilized while the stress advantage of the latticed shell structure is fully exerted, the internal force distribution of the system is adjusted, the internal force amplitude is reduced, and therefore the bearing capacity of the structure is improved.
In the assembly process of the suspended dome, a full scaffold needs to be erected to install the upper-layer net shell structure and the vertical support rods and lay and stretch the lower-layer cable system. Adopt conventional full hall scaffold, because of the unable hoop of scaffold pole setting is arranged, can only arrange according to the rectangle, can lead to lower floor's hoop cable and radial cable and cable clip to collide with full hall steel pipe scaffold pole setting in laying and stretch-draw process, and then lead to laying and stretch-draw string dome lower floor's cable system structure.
Disclosure of Invention
The invention aims to solve the technical problems existing in the use of the existing full steel pipe scaffold, and provides a full steel pipe scaffold structure for the assembly of an annular suspended dome structure and a construction method thereof.
In order to solve the technical problem, the invention adopts the following technical scheme:
annular string dome structure assembly is with full steel pipe scaffold structure, including fastener formula steel pipe scaffold member, its characterized in that: still include horizontal enhancement horizon bar at the bottom of the internal conversion pole setting, horizontal enhancement horizon bar in internal conversion pole setting top and conversion pole setting, the conversion pole setting includes the lower conversion pole setting, internal conversion pole setting and upper conversion pole setting, the top of lower conversion pole setting is connected with the internal conversion pole setting, the bottom of upper conversion pole setting is connected with the internal conversion pole setting, the internal conversion pole setting includes internal conversion pole roof structure, internal conversion pole roof structure and internal conversion pole setting side post, internal conversion pole setting side post is located between internal conversion pole roof structure and the internal conversion pole setting substructure, internal conversion pole roof structure includes the internal conversion back timber, the internal conversion back timber bracket, internal conversion top pole setting and the horizontal gag lever post in internal conversion top, the both ends of internal conversion back timber all are equipped with the internal conversion back timber bracket, both sides all are equipped with the horizontal gag lever post in internal conversion top around the upper end of internal conversion back timber bracket, the horizontal enhancement horizon bar in internal conversion pole setting is located one side of conversion top, the internal conversion bottom structure includes the internal conversion bottom sill inner conversion pole, the internal conversion sill leg, the internal conversion sill inner conversion sill, the inner conversion sill inner conversion pole setting is equipped with the horizontal gag lever post upper end of the inner conversion pole setting, the both sides of the inner conversion pole setting, the inner conversion pole setting.
Further, the fastener-type steel pipe scaffold member comprises a horizontal rod of the scaffold, a vertical horizontal rod of the scaffold, an inner operation platform of the scaffold, a horizontal reinforced horizontal rod at the bottom of the inner conversion vertical rod and the vertical rod at the bottom of the inner conversion vertical rod are connected, the horizontal reinforced horizontal rod at the top of the inner conversion vertical rod and the vertical rod at the bottom of the inner conversion vertical rod are connected, the structure and bearing capacity of the scaffold can be ensured through the horizontal rod of the scaffold, the vertical horizontal rod of the scaffold and the operation platform in the scaffold, and the horizontal reinforced horizontal rod at the bottom of the inner conversion vertical rod and the vertical rod are used in a matching way with the conversion vertical rod, thereby being more convenient for actual construction.
Further, the position phase-match of the position of two internal conversion top horizontal limiting rods that set up relatively around and the vertical horizontal pole of scaffold frame of being connected, the vertical horizontal pole joint of scaffold frame is between two internal conversion top horizontal limiting rods, and the space width between two internal conversion top horizontal limiting rods that set up relatively around is the external diameter size of the vertical horizontal pole of scaffold frame, structural design is ingenious reasonable, the vertical horizontal pole of joint scaffold frame carries out horizontal spacing to the internal conversion back timber between two internal conversion top horizontal limiting rods.
Further, the horizontal spacing bolt hole in interior conversion top has been seted up on the horizontal gag lever post in interior conversion top, be connected through the horizontal spacing bolt in interior conversion top between two interior conversion top horizontal gag lever posts that the front and back set up relatively, the horizontal spacing bolt in interior conversion top matches with the horizontal spacing bolt hole in interior conversion top, carry out further spacing fixedly between vertical horizon bar in scaffold frame and the horizontal gag lever post in interior conversion top through the horizontal spacing bolt in interior conversion top, thereby ensure the joint strength between horizontal gag lever post in interior conversion top and the vertical horizon bar in scaffold frame, improve the stable in structure performance of whole scaffold frame.
Further, the position phase-match of the position of the horizontal gag lever post of two adversions that set up relatively around and the vertical horizontal pole of scaffold frame of being connected, the vertical horizontal pole joint of scaffold frame is between the horizontal gag lever post of two adversions end of the commentaries on classics, and the space width between the horizontal gag lever post of two adversions that set up relatively around is the external diameter size of the vertical horizontal pole of scaffold frame, reasonable in design, the vertical horizontal pole of joint scaffold frame carries out horizontal spacing to the adversion floorbar between the horizontal gag lever post of two adversions end, it is convenient to install and dismantle.
Further, the horizontal spacing bolt hole at the bottom of the inner conversion has been seted up on the horizontal spacer rod at the bottom of the inner conversion, be connected through the horizontal spacing bolt at the bottom of the inner conversion between two horizontal spacer rods at the bottom of the inner conversion that the front and back set up relatively, horizontal spacing bolt hole phase-match at the bottom of the inner conversion and the horizontal spacing bolt hole at the bottom of the inner conversion, horizontal spacing bolt hole at the top of the inner conversion, horizontal spacing bolt hole is the long circle at the bottom of the inner conversion, can be further spacing fixed between vertical horizontal pole of structure and the scaffold frame at the bottom of the inner conversion pole setting through horizontal spacing bolt at the bottom of the inner conversion, ensure joint strength between the two, improve the joint structure intensity between conversion pole setting and the fastener formula steel pipe scaffold structure, thereby ensure the stability of whole scaffold structure.
Further, the top of lower conversion pole setting is equipped with the flange, the bottom of the lower pole setting of internal conversion is equipped with the flange, the flange on lower conversion pole setting top is connected with the flange of the lower pole setting bottom of internal conversion, and through lower conversion pole setting top connecting bolt fixed connection between two flanges, the bottom of upper conversion pole setting is equipped with the flange, the top of internal conversion top pole setting is equipped with the flange, the flange of upper conversion pole setting bottom and the flange joint at internal conversion top pole setting top, and through upper conversion pole setting bottom connecting bolt fixed connection between two flanges, can be convenient for lower conversion pole setting and the lower pole setting of internal conversion through flange joint, the installation between upper conversion pole setting and the internal conversion top pole setting is fixed, the connection inseparability between the lower conversion pole setting of rethread lower conversion pole setting top connecting bolt can be guaranteed with the lower pole setting of internal conversion, and also can be convenient for subsequent dismantlement maintenance, can guarantee the joint strength between upper conversion pole setting and the internal conversion top pole setting through upper conversion pole setting bottom connecting bolt, and the dismouting is nimble, high durability and convenient use.
Further, the upper and lower both ends of interior conversion pole setting side post shaft all are provided with interior conversion pole setting side post end, the lower part of interior conversion back timber is equipped with first bolt hole, the lower part rigid connection of interior conversion pole setting side post shaft that is located the upper end through interior conversion side post on fixing bolt and interior conversion back timber, first bolt hole and interior conversion side post on the fixing bolt phase-match, the upper portion of interior conversion back timber is provided with the second bolt hole, the upper portion rigid connection of interior conversion pole setting side post shaft that is located the lower extreme passes through interior conversion side post under fixing bolt and interior conversion back timber, the second bolt hole and interior conversion side post under fixing bolt phase-match, interior conversion pole setting side post shaft not only can improve the structural rigidity at the both ends of interior conversion pole setting side post shaft, make both ends non-deformable of interior conversion pole setting side post shaft, the overall structure of conversion pole setting is more firm, and can be convenient for conversion pole setting post and interior conversion back timber, the erection dismantlement between the interior conversion back timber, the simple and convenient construction of interior conversion back timber of interior conversion can be realized through fixing bolt on the interior conversion pole setting pole, the pole also simple and convenient construction dismantlement of interior conversion back timber of interior conversion pole.
Further, the vertical rod on the inner conversion bottom is fixed on the upper portion of the inner conversion bottom beam, the vertical rod under the inner conversion bottom is fixed on the lower portion of the inner conversion bottom beam, the vertical rod on the inner conversion bottom, the vertical rod under the inner conversion bottom and the vertical rod on the inner conversion top are located on the same straight line, the vertical rod on the inner conversion bottom, the vertical rod under the inner conversion bottom and the vertical rod on the inner conversion top are located on the axis of the opposite scaffold vertical rod, the vertical rod on the same layer of the scaffold on the scaffold and the horizontal rod of the scaffold can be fixed through the vertical rod on the inner conversion bottom, so that the upper bearing capacity at the central point of the annular cable collision position between the scaffold vertical rod and the lower layer of the chord dome is ensured to sequentially pass through the upper conversion vertical rod, the inner conversion top beam, the inner conversion vertical rod side column, the inner conversion bottom beam, the vertical rod under the inner conversion, the lower conversion vertical rod and the lower portion of the scaffold.
The construction method for the full steel pipe scaffold structure for assembling the annular suspended dome structure is characterized by comprising the following steps of:
1) Computer lofting is carried out according to the structural shape of the suspended dome, particularly the plane arrangement positions of annular cables and cable clamps at the lower layer of the suspended dome and the longitudinal and transverse intervals of the upright posts of the scaffold, and the collision quantity of the annular cables, the cable clamps and the upright posts of the scaffold at the lower layer of the suspended dome is reduced on the premise of ensuring the bearing capacity of the scaffold;
2) Determining the specific positions and the number of the conversion vertical rods to be set according to computer lofting;
3) Determining a processing drawing of each part in the conversion vertical rod according to the bearing capacity, and carrying out industrial processing and preparation of related connecting pieces on each part in the conversion vertical rod;
4) Marking the accurate position of the upright rod of the scaffold on the upper surface of the scaffold erected on the basis of the computer lofting data;
5) Erecting scaffolds, namely erecting scaffold upright rods, scaffold transverse horizontal rods and scaffold longitudinal horizontal rods of each layer by layer according to the accurate positions of the scaffold upright rods and the longitudinal and transverse intervals of the scaffold upright rods until the whole number of layers is erected;
6) In the process of setting up of scaffold frame, when needs installation conversion pole setting, the conversion pole setting is set up according to following step:
(1) firstly, respectively selecting two adjacent layers of scaffolds from the central point of the collision position of the scaffold upright post and the lower layer annular cable of the suspended dome upwards and downwards, defining the lowest scaffold below as the nth layer, then sequentially defining the nth +1 layer, the nth +2 layer and the nth +3 layer from bottom to top, then fixing the lower conversion upright post according to the lofting elevation of a computer, and connecting and fixing the lower conversion upright post and the opposite lower scaffold upright post;
(2) installing an inner conversion vertical rod bottom structure, fixedly connecting an inner conversion bottom vertical rod with a lower conversion vertical rod through a connecting bolt at the top end of the lower conversion vertical rod, horizontally fixing the inner conversion bottom horizontal limiting rod with an n +1 th layer of scaffold longitudinal horizontal rod in the erected scaffold, clamping the scaffold longitudinal horizontal rod between two inner conversion bottom horizontal limiting rods arranged in front and at the back of an inner conversion bottom beam bracket, installing and fixing an inner conversion bottom horizontal limiting bolt, and further limiting and fixing the inner conversion bottom horizontal limiting rod and the scaffold longitudinal horizontal rod;
(3) and installing the inner conversion vertical pole side column, and fixing the inner conversion vertical pole side column and the inner conversion bottom beam through a lower fixing bolt of the inner conversion side column.
(4) And an inner conversion vertical pole top structure is installed, and the inner conversion top beam is fixed with the top end of the inner conversion vertical pole side column through a fixing bolt on the inner conversion side column.
(5) And then horizontally fixing the inner conversion vertical jacking structure and a (n + 2) th layer of scaffold longitudinal horizontal rod in the finished scaffold, clamping the scaffold longitudinal horizontal rod between two inner conversion jacking horizontal limiting rods arranged in front and at back on the inner conversion top beam bracket, installing and fixing an inner conversion jacking horizontal limiting bolt, and further limiting and fixing the inner conversion jacking horizontal limiting rod and the scaffold longitudinal horizontal rod.
(6) And installing the upper conversion vertical rod, and fixedly connecting the upper conversion vertical rod and the inner conversion top vertical rod through the connecting bolt at the bottom end of the upper conversion vertical rod.
(7) Horizontal enhancement horizon bar at the bottom of the installation internal conversion pole setting, horizontal enhancement horizon bar in internal conversion pole setting top, install the one side of pole setting on the internal conversion bottom with horizontal enhancement horizon bar at the bottom of the internal conversion pole setting, horizontal enhancement horizon bar uses scaffold frame pole setting and the annular cable collision position of string dome lower floor as the center and respectively extends to both ends at the bottom of the internal conversion pole setting, and be connected with adjacent scaffold frame pole setting, install the one side of pole setting in internal conversion pole setting top again with horizontal enhancement horizon bar in internal conversion pole setting top, horizontal enhancement horizon bar in internal conversion pole setting top uses scaffold frame pole setting and the annular cable collision position of string dome lower floor as the center and respectively extends to both ends, and be connected with adjacent scaffold frame pole setting.
(8) Operation platform in the installation scaffold puts operation platform's bottom surface in the scaffold on horizontal horizon bar of (n + 1) th floor scaffold and horizontal enhancement horizon bar at the bottom of the interior pole setting of changeing to operation platform and interior pole setting fixed connection in the scaffold.
7) Until the whole scaffold is erected.
8) And after the construction is finished, dismantling the scaffold layer by layer from the height to the bottom, and dismantling the scaffold in a reverse order according to the erection of the conversion vertical rods aiming at the dismantling steps of the conversion vertical rods when the conversion vertical rods are encountered in the dismantling process.
The force transmission path of the conversion vertical rod mainly comprises the transmission of vertical load and the transmission of horizontal load:
1. vertical load pass-force path:
1) The load above the (n + 2) th layer of the scaffold is transferred to the inner conversion top upright stanchion through the upper conversion upright stanchion.
2) The load of the (n + 2) th layer of the scaffold is transferred to the inner conversion top upright stanchion through the (n + 2) th layer of the scaffold transverse horizontal pole and the inner conversion upright stanchion transverse reinforcing horizontal pole which are adjacent to the inner conversion top upright stanchion.
3) Then the load of the (n + 2) th layer and the load above the (n + 2) th layer of the scaffold are transmitted to the inner conversion top beams through the inner conversion top upright rods.
4) The load of the inner conversion top beam is transmitted to the inner conversion bottom beam through the two inner conversion vertical rod side columns.
5) The load of the (n + 1) th layer of the scaffold is transferred to the vertical rod on the inner conversion bottom through the (n + 1) th layer of the scaffold transverse horizontal rod and the inner conversion vertical rod bottom transverse reinforcing horizontal rod which are adjacent to the vertical rod on the inner conversion bottom.
6) And finally, the bearing capacity of the vertical rod on the inner conversion bottom and the inner conversion bottom beam is transmitted to the lower conversion vertical rod through the vertical rod under the inner conversion bottom until the scaffold is based.
7) Axial stress guaranteeing device for inner conversion vertical rod
(1) The inner conversion vertical rod top transverse reinforcing horizontal rod is additionally arranged on one side of the inner conversion vertical rod top, the inner conversion vertical rod top transverse reinforcing horizontal rod extends towards two ends by taking the collision position of the scaffold vertical rod and the lower layer annular cable of the string dome as the center, the inner conversion vertical rod top transverse reinforcing horizontal rod and an adjacent (n + 2) th layer of scaffold transverse horizontal rod jointly transfer force to the inner conversion vertical rod top, the inner conversion vertical rod top only bears positive pressure, the inner conversion vertical rod top is prevented from deforming, and the overall structural strength and the stability of the inner conversion vertical rod top structure are effectively enhanced.
(2) The horizontal enhancement horizon bar at bottom of the inner conversion pole setting is add to one side of pole setting on the inner conversion bottom, horizontal enhancement horizon bar uses scaffold frame pole setting and the annular cable collision position of string dome lower floor to respectively extend to both ends as the center at the bottom of the inner conversion pole setting, horizontal enhancement horizon bar and the horizontal horizon bar of the (n + 1) th floor scaffold frame of neighbouring share the load of operation platform in the scaffold frame jointly through the horizontal enhancement horizon bar at bottom of the inner conversion pole setting, and pass power to the pole setting on the inner conversion bottom, guarantee that the pole setting only bears the positive pressure on the inner conversion bottom, effectively prevent that the pole setting on the inner conversion bottom from taking place to warp, effectively strengthen the stable in structure performance and the fastness of inner conversion pole setting bottom structure.
2. Horizontal load pass-force path:
1) The horizontal gag lever post of internal conversion top is fixed with a vertical horizontal pole of (n + 2) th floor scaffold to the interior vertical pole top structure of internal conversion, and through the horizontal gag lever post atress of internal conversion top, this vertical horizontal pole of rethread scaffold passes power to scaffold.
2) The inner conversion pole setting substructure is fixed with a vertical horizon bar of the (n + 1) th layer of scaffold through the inner conversion bottom horizontal limiting rod, and the force is transferred to the scaffold through the inner conversion bottom horizontal limiting rod, and the vertical horizon bar of the scaffold is transferred to the scaffold through the force.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1) Through introducing a conversion pole setting in current fastener formula steel pipe scaffold member, guarantee string dome lower floor's cable system lay with the stretch-draw in-process, avoid it to collide with scaffold frame pole setting to ensure that the smooth safety of on-the-spot assembly can be implemented.
2) The invention adopts accurate lofting for the arrangement of the full hall scaffold structure, thereby determining the arrangement position and the number of the conversion vertical rods, not only realizing the existing advantages of the conventional fastener type steel pipe scaffold member, but also fully playing the special functions of the conversion vertical rods, and efficiently solving the defects in the prior art by perfectly combining the advantages of the two.
3) The conversion vertical rod is made of high-strength steel for industrial processing, is assembled and formed with the full fastener type steel pipe on site, is simple and easy to construct and is not complex, and the labor intensity of site workers can be reduced.
4) The conversion vertical rod has the advantages of wide raw material source, easiness in purchase, good applicability, economy and reasonability, and the construction cost is reduced.
According to the invention, through the double auxiliary effects of the horizontal reinforcing horizontal rod at the bottom of the inner conversion vertical rod and the horizontal reinforcing horizontal rod at the top of the inner conversion vertical rod, the overall structural stability and stress balance of the conversion vertical rod are effectively improved, so that the conversion vertical rod is not easy to deform, the service life of the conversion vertical rod is prolonged, the overall structural strength of a full-hall scaffold is improved, potential safety hazards are reduced, practical climbing and climbing use are facilitated, and practical construction is facilitated.
The inner conversion vertical rod is formed by the inner conversion vertical rod top structure, the inner conversion vertical rod bottom structure and the inner conversion vertical rod side column, the inner conversion vertical rod top structure can realize the installation between the inner conversion vertical rod and the upper conversion vertical rod, the inner conversion vertical rod bottom structure can realize the installation between the inner conversion vertical rod and the lower conversion vertical rod, the design is reasonable, the use is convenient, meanwhile, the space formed by connecting the inner conversion vertical rod top structure, the inner conversion vertical rod bottom structure and the inner conversion vertical rod side column is convenient, the construction of a cable system at the lower layer of the annular suspended dome structure can be facilitated, and the practical use is prevented from being influenced by collision in the construction.
According to the invention, the upper conversion vertical rod can be connected with the scaffold vertical rod right above, the upper conversion vertical rod can be connected with the scaffold vertical rod right below through the lower conversion vertical rod, the upper conversion vertical rod and the lower conversion vertical rod are connected through the inner conversion vertical rod, and meanwhile, the inner conversion vertical rod can be connected with the adjacent scaffold longitudinal horizontal rod.
The inner conversion vertical pole top structure comprises an inner conversion top beam, an inner conversion top beam bracket, an inner conversion top vertical pole and an inner conversion top horizontal limiting rod, the inner conversion vertical pole top structure and the upper conversion vertical pole can be installed through the inner conversion top vertical pole, vertical load transmitted by the upper conversion vertical pole is transmitted to the inner conversion top vertical pole and then transmitted to the inner conversion top vertical pole from the inner conversion top vertical pole, and the inner conversion top horizontal limiting rod can realize connection between the inner conversion top vertical pole top structure and a vertical horizontal rod of an adjacent scaffold, so that the transmission of horizontal load is realized.
The inner conversion vertical rod bottom structure comprises an inner conversion bottom beam, an inner conversion bottom beam bracket, an inner conversion bottom vertical rod, an inner conversion bottom horizontal limiting rod and an inner conversion bottom vertical rod, the inner conversion bottom vertical rod can be installed between the inner conversion vertical rod bottom structure and the lower conversion vertical rod, the vertical load borne by the inner conversion vertical rod top structure is finally transmitted to the inner conversion bottom beam through the inner conversion vertical rod side column, meanwhile, the vertical load borne by the inner conversion bottom vertical rod is also transmitted to the inner conversion bottom beam, then, the inner conversion bottom beam transmits the vertical load borne by the inner conversion bottom vertical rod to the inner conversion bottom vertical rod, and finally, the vertical load is transmitted from the lower conversion vertical rod, and the inner conversion bottom horizontal limiting rod can realize the connection between the inner conversion vertical rod bottom structure and the adjacent vertical horizontal rod of the scaffold, so that the transmission of the horizontal load is realized.
The inner conversion vertical rod top structure and the n +2 th layer of longitudinal horizontal rod are fixed through the inner conversion bottom horizontal limiting rod in the inner conversion vertical rod bottom structure, the inner conversion vertical rod bottom structure is fixed with the n +1 th layer of longitudinal horizontal rod through the inner conversion bottom horizontal limiting rod, the inner conversion vertical rod bottom structure is guaranteed to be fixed in the horizontal plane, and the n +1 th layer of longitudinal horizontal rod and the n +1 th layer of transverse horizontal rod of the scaffold are fixed through the inner conversion bottom vertical rod.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic plan layout of a scaffold for assembling a 1/4 suspended dome;
fig. 2 is a schematic plan view of a partial scaffold at a conversion pole in the present invention;
FIG. 3 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 2;
FIG. 4 is a schematic view of the cross-sectional structure along the direction B-B in FIG. 2;
FIG. 5 is a schematic view of the cross-sectional structure along the line C-C in FIG. 2;
FIG. 6 is a schematic view of the cross-sectional structure along the direction D-D in FIG. 2;
figure 7 is a schematic elevational view of the conversion pole of the present invention;
FIG. 8 is a perspective view of the conversion pole of the present invention;
FIG. 9 is a schematic elevational view of the inner transition mast head structure of the present invention;
FIG. 10 is a schematic view of the cross-sectional structure of FIG. 9 taken along line E-E;
FIG. 11 is a schematic sectional view taken along line F-F in FIG. 9;
FIG. 12 is a schematic view of the cross-sectional structure along the direction G-G in FIG. 9;
FIG. 13 is a schematic elevation view of an inner transition pole bottom structure of the present invention;
FIG. 14 is a schematic view of the H-H cross section of FIG. 13;
FIG. 15 is a schematic cross-sectional view taken along line J-J of FIG. 13;
FIG. 16 is a schematic view of the cross-sectional structure taken along the line K-K in FIG. 13;
FIG. 17 is a schematic elevational view of an inner transition leg of the present invention;
FIG. 18 is a schematic sectional view taken along line L-L in FIG. 17.
In the figure: 1: horizontal rods of the scaffold; 1-1: the nth layer of scaffold transverse horizontal rod; 1-2: the (n + 1) th layer of scaffold longitudinal horizontal rod; 1-3: the (n + 2) th layer of scaffold transverse horizontal rod; 1-4: the (n + 3) th layer of scaffold transverse horizontal rod; 2: a longitudinal horizontal rod of the scaffold; 2-1: the nth layer of scaffold longitudinal horizontal rod; 2-2: the (n + 1) th layer of scaffold longitudinal horizontal rod; 2-3: the (n + 2) th layer of scaffold longitudinal horizontal rod; 2-4: the (n + 3) th layer of scaffold longitudinal horizontal rod; 3: erecting a scaffold; 4: converting the upright stanchion; 4-1: a down-conversion vertical rod; 4-2: an inner conversion upright rod; 4-2-1: an internal conversion pole top structure; 4-2-1-1: the top beam is converted in; 4-2-1-2: inner conversion top beam bracket; 4-2-1-3: an inner conversion top upright rod; 4-2-1-4: an inner transition top horizontal limit rod; 4-2-1-5: an inner transition top horizontal limit bolt hole; 4-2-2: an internal conversion pole bottom structure; 4-2-2-1: an inner conversion bottom beam; 4-2-2-2: inner conversion bottom beam bracket; 4-2-2-3: a vertical rod is arranged on the inner conversion bottom; 4-2-2-4: an inner-conversion bottom horizontal limiting rod; 4-2-2-5: an inner conversion bottom horizontal limit bolt hole; 4-2-2-6: the lower upright post is internally converted; 4-2-3: the inner conversion vertical pole side column; 4-2-3-1: the side column body of the inner conversion vertical rod; 4-2-3-2, the column end of the side column of the inner conversion vertical rod; 4-2-4: an inner transition top horizontal limit bolt; 4-2-5: fixing bolts on the inner conversion side columns; 4-2-6: an inner conversion side column lower fixing bolt; 4-2-7: an inner-conversion bottom horizontal limit bolt; 4-3: up-conversion upright stanchions; 4-4: the top end of the lower conversion vertical rod is connected with a bolt; 4-5: the bottom end of the upper conversion vertical rod is connected with a bolt; 5: an operating platform in the scaffold; 6: the bottom of the inner conversion vertical rod is transversely reinforced with a horizontal rod; 7: the inner conversion vertical rod is supported by the transverse reinforcing horizontal rod; 8: a scaffold; 9: a suspended dome building sideline; 10: the collision position of the scaffold upright rod and the annular cable at the lower layer of the suspended dome; 11: the lower layer of the suspended dome is provided with an annular cable.
Detailed Description
As shown in fig. 1 to 18, the all-round steel pipe scaffold structure for assembling the annular suspended dome structure of the present invention comprises a fastener-type steel pipe scaffold member, the fastener-type steel pipe scaffold member comprises a scaffold transverse horizontal rod 1, a scaffold longitudinal horizontal rod 2, a scaffold upright rod 3 and an in-scaffold operation platform 5, an inner conversion upright bottom transverse reinforced horizontal rod 6 is connected with the scaffold upright rod 3 and an in-conversion bottom upright rod 4-2-2-3, an inner conversion upright top transverse reinforced horizontal rod 7 is connected with the scaffold upright rod 3 and an in-conversion top upright rod 4-2-1-3, the in-scaffold operation platform 5 is connected with the in-conversion bottom upright rod 4-2-2-3, the structure and the bearing capacity of the scaffold 8 can be ensured through the scaffold transverse horizontal rod 1, the scaffold longitudinal horizontal rod 2, the scaffold upright rod 3 and the in-scaffold operation platform 5, and then through the cooperation with the conversion pole setting 4 to use, thus more convenient actual construction, simultaneously can be convenient for the location installation of horizontal reinforcement horizon bar 6 in the bottom of the inner conversion pole setting, horizontal reinforcement horizon bar 7 in the top of the inner conversion pole setting and conversion pole setting 4 through the setting up of fastener type steel pipe scaffold component, horizontal reinforcement horizon bar 6 in the bottom of the inner conversion pole setting extends to both ends with the collision position 10 of hoop cable and the pole setting of scaffold as the central point and is connected with the pole setting 3 of scaffold, thus share the symmetrical axle center force transmission of vertical load with the adjacent horizontal horizon bar 1 of scaffold and transmit to the bottom pole setting 4-2-2-6 of inner conversion pole setting, guarantee the axle center stress of inner conversion pole setting 4-2 and smoothly transmit to the pole setting 4-1 of lower conversion, the horizontal reinforcement horizon bar 7 in the top of inner conversion pole setting also extends to both ends with the collision position 10 of hoop cable and the pole setting of scaffold as the central point and is connected with the pole setting of scaffold 3 of scaffold The horizontal rod 1 of the adjacent scaffold bears the symmetrical axial center of the vertical load and transmits the force to the inner conversion top upright rod 4-2-1-3 together, thereby ensuring the axial center stress of the inner conversion upright rod 4-2.
The vertical conversion pole 4 comprises a lower conversion vertical pole 4-1, an inner conversion vertical pole 4-2 and an upper conversion vertical pole 4-3, the top end of the lower conversion vertical pole 4-1 is connected with the inner conversion vertical pole 4-2, the bottom end of the upper conversion vertical pole 4-3 is connected with the inner conversion vertical pole 4-2, the inner conversion vertical pole 4-2 comprises an inner conversion vertical pole top structure 4-2-1, an inner conversion vertical pole bottom structure 4-2-2 and an inner conversion vertical pole side column 4-2-3, the inner conversion vertical pole side column 4-2-3 is arranged between the inner conversion vertical pole top structure 4-2-1 and the inner conversion vertical pole bottom structure 4-2-2, and the inner conversion vertical pole side column 4-2-3 is composed of a conversion side column body 4-2-3-1 and an inner conversion side column end 4-2-3-2.
The top end of the lower conversion vertical rod 4-1 is provided with a flange, the bottom of the inner conversion bottom vertical rod 4-2-2-6 is provided with a flange, the flange at the top end of the lower conversion vertical rod 4-1 is connected with the flange at the bottom end of the inner conversion bottom vertical rod 4-2-2-6, the two flanges are fixedly connected through a lower conversion vertical rod top end connecting bolt 4-4, the bottom end of the upper conversion vertical rod 4-3 is provided with a flange, the top of the inner conversion top vertical rod 4-2-1-3 is provided with a flange, the flange at the bottom end of the upper conversion vertical rod 4-3 is connected with the flange at the top end of the inner conversion top vertical rod 4-2-1-3, the two flanges are fixedly connected through an upper conversion vertical rod bottom end connecting bolt 4-5, the flange connection can facilitate the installation and fixation between the lower conversion vertical rod 4-1 and the inner conversion bottom vertical rod 4-2-6, the upper conversion vertical rod 4-3 and the upper conversion top 4-2-1-3, the lower conversion vertical rod 4-2-6 can ensure the tight connection between the lower conversion vertical rod 4-1 and the inner conversion vertical rod 4-2-6, and the close connection between the upper conversion vertical rod 4-3 can be conveniently maintained, and the upper conversion vertical rod can be conveniently connected through the upper conversion vertical rod 4-3, and the upper conversion vertical rod 4-3 can be connected through the lower conversion vertical rod 4-3, and the lower conversion vertical rod 4-3, and the upper conversion vertical rod can be conveniently connected with the upper conversion vertical rod 4-5.
The inner conversion vertical rod top structure 4-2-1 comprises an inner conversion top beam 4-2-1-1, an inner conversion top beam bracket 4-2-1-2, an inner conversion top vertical rod 4-2-1-3 and an inner conversion top horizontal limiting rod 4-2-1-4, wherein the inner conversion vertical rod top transverse reinforcing horizontal rod 7 is positioned at one side of the inner conversion top vertical rod 4-2-1-3, the inner conversion top beam bracket 4-2-1-2 is arranged at each of the two ends of the inner conversion top beam 4-2-1-1, and the inner conversion top horizontal limiting rods 4-2-1-4 are arranged at the front side and the rear side of the upper end of the inner conversion top beam bracket 4-2-1-2. The positions of two inner conversion top horizontal limiting rods 4-2-1-4 which are oppositely arranged at the front and the back are matched with the position of a connected scaffold longitudinal horizontal rod 2, the scaffold longitudinal horizontal rod 2 is clamped between the two inner conversion top horizontal limiting rods 4-2-1-4, the width of a gap between the two inner conversion top horizontal limiting rods 4-2-1-4 which are oppositely arranged at the front and the back is the outer diameter size of the scaffold longitudinal horizontal rod 2, the structural design is ingenious and reasonable, and the inner conversion top beam 4-2-1-1 is horizontally limited by clamping the scaffold longitudinal horizontal rod 2 between the two inner conversion top horizontal limiting rods 4-2-1-4. The inner conversion top horizontal limiting rod 4-2-1-4 is provided with an inner conversion top horizontal limiting bolt hole 4-2-1-5, two inner conversion top horizontal limiting rods 4-2-1-4 which are oppositely arranged in front and back are connected through an inner conversion top horizontal limiting bolt 4-2-4, the inner conversion top horizontal limiting bolt 4-2-4 is matched with the inner conversion top horizontal limiting bolt hole 4-2-1-5, and the inner conversion top horizontal limiting bolt 4-2-4 is used for further limiting and fixing the vertical horizontal rod 2 of the scaffold and the inner conversion top horizontal limiting rod 4-2-1-4, so that the connection strength between the inner conversion top horizontal limiting rod 4-2-1-4 and the vertical horizontal rod 2 of the scaffold is ensured, and the structural stability of the whole scaffold 8 is improved.
The inner conversion bottom upright structure 4-2-2 comprises an inner conversion bottom beam 4-2-2-1, an inner conversion bottom beam bracket 4-2-2, an inner conversion bottom upright 4-2-3, an inner conversion bottom horizontal limiting rod 4-2-4 and an inner conversion bottom upright 4-2-6, wherein the inner conversion bottom transverse reinforcing horizontal rod 6 is positioned at one side of the inner conversion bottom upright 4-2-3, the inner conversion bottom beam bracket 4-2-2-1 is provided with the inner conversion bottom beam bracket 4-2-2 at both ends, and the inner conversion bottom horizontal limiting rods 4-2-2-4 are respectively arranged at the front side and the rear side of the upper end of the inner conversion bottom beam bracket 4-2-2-2. The positions of two inner conversion bottom horizontal limiting rods 4-2-2-4 which are oppositely arranged in the front and back are matched with the position of a longitudinal horizontal rod 2 of a connected scaffold, the longitudinal horizontal rod 2 of the scaffold is clamped between the two inner conversion bottom horizontal limiting rods 4-2-4, the width of a gap between the two inner conversion bottom horizontal limiting rods 4-2-2-4 which are oppositely arranged in the front and back is the outer diameter size of the longitudinal horizontal rod 2 of the scaffold, the design is reasonable, the inner conversion bottom beam 4-2-2-1 is horizontally limited by clamping the longitudinal horizontal rod 2 of the scaffold between the two inner conversion bottom horizontal limiting rods 4-2-2-4, and the installation and the disassembly are convenient. The inner conversion bottom horizontal limiting rod 4-2-2-4 is provided with an inner conversion bottom horizontal limiting bolt hole 4-2-2-5, two inner conversion bottom horizontal limiting rods 4-2-2-4 which are oppositely arranged in front and back are connected through an inner conversion bottom horizontal limiting bolt 4-2-7, the inner conversion bottom horizontal limiting bolt 4-2-7 is matched with the inner conversion bottom horizontal limiting bolt hole 4-2-2-5, the inner conversion top horizontal limiting bolt hole 4-2-1-5 and the inner conversion bottom horizontal limiting bolt hole 4-2-2-5 are both in a long circle shape, the inner conversion bottom horizontal limiting bolt 4-2-7 can further limit and fix the inner conversion vertical rod bottom structure 4-2-2 and the scaffold longitudinal horizontal rod 2, the connection strength between the inner conversion vertical rod 4-2 and the scaffold longitudinal horizontal rod 2 is ensured, the connection structure strength between the conversion vertical rod 4 and the fastener type steel pipe scaffold 8 structure is improved, and the stability of the whole scaffold 8 structure is ensured.
The upright stanchion 4-2-2-3 on the bottom of the inner conversion is fixed on the upper part of the inner conversion bottom girder 4-2-2-1, the upright stanchion 4-2-2-6 on the bottom of the inner conversion bottom girder 4-2-2-1 is fixed on the lower part of the inner conversion bottom girder 4-2-2-1, the upright stanchion 4-2-1-3 on the top of the inner conversion top girder 4-2-1-1 is positioned on the upper part of the inner conversion top girder 4-2-1-1, the upright stanchion 4-2-2-3 on the bottom of the inner conversion bottom, the upright stanchion 4-2-2-6 on the bottom of the inner conversion and the upright stanchion 4-2-1-3 on the top of the inner conversion are positioned on the same straight line, and the upright 4-2-3 on the bottom of the inner conversion bottom, the upright 4-2-6 on the bottom of the inner conversion and the upright stanchion 4-2-1-3 on the inner conversion top girder are positioned on the axis of the opposite upright 3 of the scaffold, the longitudinal horizontal rod 2 of the scaffold on the same layer and the transverse horizontal rod 1 of the scaffold on the same layer on the scaffold 8 can be fixed through the vertical rod 4-2-2-3 on the inner conversion bottom, so that the bearing capacity above the central point of the collision position 10 of the vertical rod of the scaffold and the annular cable on the lower layer of the suspended dome is ensured to sequentially pass through the upper conversion vertical rod 4-3, the inner conversion top vertical rod 4-2-1-3, the inner conversion top beam 4-2-1-1, the inner conversion vertical rod side column 4-2-3, the inner conversion bottom beam 4-2-1, the inner conversion bottom vertical rod 4-2-6 and the lower conversion vertical rod 4-1 to the lower scaffold foundation.
The upper and lower ends of the inner conversion vertical pole side column body 4-2-3-1 are provided with inner conversion vertical pole side column ends 4-2-3-2, the lower part of the inner conversion top beam 4-2-1-1 is provided with a first bolt hole, the inner conversion vertical pole side column end 4-2-3-2 at the upper end is rigidly connected with the lower part of the inner conversion top beam 4-2-1-1 through a fixing bolt 4-2-5 on the inner conversion side column, the first bolt hole is matched with a fixing bolt 4-2-5 on the inner conversion side column, the upper part of the inner conversion bottom beam 4-2-1 is provided with a second bolt hole, the inner conversion vertical pole side column end 4-2-3-2 at the lower end is rigidly connected with the upper part of the inner conversion bottom beam 4-2-2-1 through a fixing bolt 4-2-6 under the inner conversion side column, the second bolt hole is matched with the lower fixing bolt 4-2-6 of the inner conversion side column, the structural rigidity of two ends of the inner conversion side column body 4-2-3-1 can be improved by the inner conversion side column end 4-2-3-2, so that two ends of the inner conversion side column body 4-2-3-1 are not easy to deform, the whole structure of the conversion vertical rod 4 is firmer, the installation and the disassembly between the inner conversion side column 4-2-3, the inner conversion top beam 4-2-1 and the inner conversion bottom beam 4-2-2-1 can be facilitated, and the inner conversion side column end 4-2-3-2 and the inner conversion side column body 4-2-3-2 can be realized by the upper fixing bolt 4-2-5 of the inner conversion side column The installation and the disassembly between the conversion top beam 4-2-1-1 can be realized by the fixing bolt 4-2-6 under the inner conversion side column, the installation and the disassembly between the column end 4-2-3-2 of the inner conversion vertical column and the inner conversion bottom beam 4-2-2-1 can be realized, the structure is simple, the installation and the disassembly are convenient, and the connection firmness between the inner conversion vertical column 4-2-3, the inner conversion top beam 4-2-1-1 and the inner conversion bottom beam 4-2-2-1 can be ensured
The construction method for the full steel pipe scaffold structure for assembling the annular suspended dome structure comprises the following steps:
1) Computer lofting is carried out according to the structural shape of the suspended dome, particularly the plane arrangement positions of the annular cables 11 and the cable clamps at the lower layer of the suspended dome and the longitudinal and transverse intervals of the scaffold upright rods 3, and the collision number of the annular cables 11 and the cable clamps at the lower layer of the suspended dome and the scaffold upright rods 3 is reduced on the premise of ensuring the bearing capacity of the scaffold 8;
2) According to computer lofting, determining the specific positions and the number of the conversion upright stanchions 4 required to be arranged;
3) Determining a processing drawing of each part in the conversion vertical rod 4 according to the bearing capacity, and carrying out factory processing and preparation of related connecting pieces on each part in the conversion vertical rod 4;
4) Marking the accurate position of the upright rod 3 of the scaffold on the upper surface of the scaffold 8 based on the computer lofting data;
5) Erecting a scaffold 8, and erecting the scaffold upright rods 3, the scaffold transverse horizontal rods 1 and the scaffold longitudinal horizontal rods 2 of each layer by layer according to the accurate position of the scaffold upright rods 3 and the longitudinal and transverse intervals of the scaffold upright rods 3 until the whole number of layers is erected;
6) In the process of setting up the scaffold 8, when the conversion upright 4 needs to be installed, the conversion upright 4 is set up according to the following steps:
(1) firstly, respectively selecting two adjacent layers of scaffolds 8 from the central point of the collision position 10 of the scaffold upright post and the lower annular cable of the string dome lower layer to the upper side and the lower side, defining the lowest layer of the scaffold 8 positioned below as the nth layer, then sequentially defining the lowest layer as the (n + 1) th layer, the (n + 2) th layer and the (n + 3) th layer from bottom to top, then fixing the lower conversion upright post 4-1 according to the lofting elevation of a computer, and connecting and fixing the lower conversion upright post 4-1 and the opposite lower scaffold upright post 3;
(2) installing an inner conversion vertical rod bottom structure 4-2-2, firstly, fixedly connecting an inner conversion bottom vertical rod 4-2-2-6 with a lower conversion vertical rod 4-1 through a connecting bolt 4-4 at the top end of the lower conversion vertical rod, then horizontally fixing the inner conversion bottom horizontal limiting rod 4-2-4 with a (n + 1) th layer of scaffold longitudinal horizontal rod 2-2 in a scaffold 8 which is already erected, clamping the scaffold longitudinal horizontal rod 2 between two inner conversion bottom horizontal limiting rods 4-2-2-4 which are arranged on the inner conversion bottom beam bracket 4-2-2-2, then installing and fixing an inner conversion bottom horizontal limiting bolt 4-2-7, and further limiting and fixing the inner conversion bottom horizontal limiting rod 4-2-2-4 and the scaffold longitudinal horizontal rod 2;
(3) the inner conversion vertical pole side column 4-2-3 is installed, and the inner conversion vertical pole side column 4-2-3 and the inner conversion bottom beam 4-2-2-1 are fixed through the inner conversion vertical pole lower fixing bolt 4-2-6.
(4) An inner conversion vertical pole top structure 4-2-1 is installed, and the inner conversion top beam 4-2-1-1 is fixed with the top end of an inner conversion vertical pole side column 4-2-3 through a fixing bolt 4-2-5 on the inner conversion side column.
(5) And then horizontally fixing the inner conversion vertical rod top structure 4-2-1 and a (n + 2) th layer of scaffold longitudinal horizontal rod 2-3 in the finished scaffold 8, clamping the scaffold longitudinal horizontal rod 2 between two inner conversion top horizontal limiting rods 4-2-1-4 arranged in front and at back of the inner conversion top beam bracket 4-2-1-2, installing and fixing inner conversion top horizontal limiting bolts 4-2-4, and further limiting and fixing the inner conversion top horizontal limiting rods 4-2-1-4 and the scaffold longitudinal horizontal rod 2.
(6) An upper conversion upright rod 4-3 is installed, and the upper conversion upright rod 4-3 is fixedly connected with an inner conversion top upright rod 4-2-1-3 through a connecting bolt 4-5 at the bottom end of the upper conversion upright rod.
(7) The method comprises the steps of installing an inner conversion vertical rod bottom transverse reinforcing horizontal rod 6 and an inner conversion vertical rod top transverse reinforcing horizontal rod 7, installing the inner conversion vertical rod bottom transverse reinforcing horizontal rod 6 on one side of a vertical rod 4-2-2-3 on the inner conversion bottom, installing the inner conversion vertical rod bottom transverse reinforcing horizontal rod 6 on one side of a lower layer annular cable collision position 10 of a scaffold vertical rod and a suspended dome as a center, extending towards two ends respectively, connecting the inner conversion vertical rod bottom transverse reinforcing horizontal rod 6 with an adjacent scaffold vertical rod 3, installing the inner conversion vertical rod top transverse reinforcing horizontal rod 7 on one side of the inner conversion top vertical rod 4-2-1-3, extending towards two ends respectively by taking the lower layer annular cable collision position 10 of the scaffold vertical rod and the suspended dome as a center, and connecting the inner conversion vertical rod bottom transverse reinforcing horizontal rod 7 with the adjacent scaffold vertical rod 3.
(8) Installing an inner operating platform 5 of the scaffold, placing the bottom surface of the inner operating platform 5 of the scaffold on the (n + 1) th layer of horizontal rod 1-2 of the scaffold and the horizontal reinforced horizontal rod 6 at the bottom of the inner conversion vertical rod, and fixedly connecting the inner operating platform 5 of the scaffold and the vertical rod 4-2-2-3 at the bottom of the inner conversion vertical rod.
7) Until the whole scaffold 8 is erected.
8) After the construction is finished, the scaffold 8 is dismantled layer by layer from high to bottom, and when the conversion vertical rod 4 is met in the dismantling process, the dismantling step aiming at the conversion vertical rod 4 is dismantled in a reverse order according to the erection of the conversion vertical rod 4.
The invention can effectively solve the technical problem that the lower layer cable system of the annular suspended dome structure collides with the vertical rods 3 of the scaffold during laying and tensioning in the assembling process, and is more convenient for the construction of the lower layer cable system of the annular suspended dome structure through the combined action of the conversion vertical rods 4 and the fastener type steel pipe scaffold.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.

Claims (5)

1. Annular string dome structure assembly is with full steel pipe scaffold structure, including fastener formula steel pipe scaffold member, its characterized in that: still include horizontal enhancement horizontal pole at the bottom of interior conversion pole setting, interior conversion pole setting top horizontal enhancement horizontal pole and conversion pole setting, the conversion pole setting includes down conversion pole setting, interior conversion pole setting and up-conversion pole setting, the top of down conversion pole setting with the interior conversion pole setting is connected, the bottom of up conversion pole setting with the interior conversion pole setting is connected, the interior conversion pole setting includes interior conversion pole setting top structure, interior conversion pole setting substructure and interior conversion pole setting side post, interior conversion pole setting side post is located interior conversion pole setting top structure with between the interior conversion pole setting substructure, interior conversion pole setting top structure includes interior conversion back timber, interior conversion back timber bracket, interior conversion top pole setting and the horizontal gag lever post of interior conversion top, the both ends of interior conversion back timber all are equipped with interior conversion back timber bracket, both sides all are equipped with around the upper end of interior conversion back timber bracket the horizontal gag lever post of interior conversion top, the inner conversion vertical rod top horizontal reinforced horizontal rod is positioned at one side of the inner conversion top vertical rod, the inner conversion vertical rod bottom structure comprises an inner conversion bottom beam, an inner conversion bottom beam bracket, an inner conversion bottom vertical rod, an inner conversion bottom horizontal limiting rod and an inner conversion bottom vertical rod, the inner conversion bottom beam bracket is arranged at both ends of the inner conversion bottom beam, the inner conversion bottom beam bracket is arranged at the front side and the rear side of the upper end of the inner conversion bottom beam bracket, the inner conversion bottom horizontal reinforced horizontal rod is positioned at one side of the inner conversion bottom vertical rod, the inner conversion vertical rod side column comprises an inner conversion vertical rod side column body and an inner conversion vertical rod side column end, the fastener type steel pipe scaffold component comprises a scaffold horizontal rod, a scaffold vertical rod and a scaffold inner operation platform, the inner conversion vertical rod bottom horizontal reinforcing horizontal rod is connected with the scaffold vertical rod and the inner conversion bottom vertical rod, the inner conversion vertical rod top horizontal reinforcing horizontal rod is connected with the scaffold vertical rod and the inner conversion top vertical rod, the scaffold inner operation platform is connected with the inner conversion bottom vertical rod, the positions of the two inner conversion top horizontal limiting rods which are oppositely arranged in the front and back are matched with the position of the connected scaffold longitudinal horizontal rod, the scaffold longitudinal horizontal rod is clamped between the two inner conversion top horizontal limiting rods, the gap width between the two inner conversion top horizontal limiting rods which are oppositely arranged in the front and back is the outer diameter of the scaffold longitudinal horizontal rod, the inner conversion top horizontal limiting bolt hole is arranged on the inner conversion top horizontal limiting rod, the two inner conversion top horizontal limiting rods which are oppositely arranged in the front and back are connected through a conversion top horizontal limiting bolt, the inner conversion top horizontal limiting bolt is matched with the inner conversion top horizontal limiting bolt hole, the positions of two inner conversion bottom horizontal limiting rods which are oppositely arranged in the front-back direction are matched with the positions of the connected scaffold longitudinal horizontal rods, the scaffold longitudinal horizontal rods are clamped between the two inner conversion bottom horizontal limiting rods, the width of a gap between the two inner conversion bottom horizontal limiting rods which are oppositely arranged in the front-back direction is the outer diameter size of the scaffold longitudinal horizontal rods, the inner conversion bottom vertical rod is fixed at the upper part of the inner conversion bottom beam, the inner conversion bottom vertical rod is fixed at the lower part of the inner conversion bottom beam, the inner conversion top vertical rod is positioned at the upper part of the inner conversion top beam, and the inner conversion bottom vertical rod, the inner conversion bottom vertical rod and the inner conversion top vertical rod are positioned on the same straight line, and the inner conversion bottom upright post, the inner conversion bottom upright post and the inner conversion top upright post are positioned on the axis of the upright post of the scaffold which is opposite to the inner conversion bottom upright post.
2. The full steel tube scaffolding structure for assembly of an annular suspended dome structure of claim 1, wherein: the horizontal spacing bolt hole at the bottom of having offered the adversion on the horizontal gag lever post at the bottom of the adversion, two that set up relatively around between the horizontal gag lever post at the bottom of the adversion through the adversion horizontal spacing bolt at the bottom of the adversion is connected, the horizontal spacing bolt at the bottom of the adversion with the horizontal spacing bolt hole phase-match at the bottom of the adversion, the horizontal spacing bolt hole at the top of the adversion the horizontal spacing bolt hole at the bottom of the adversion is the long circle.
3. The full steel tube scaffolding structure for assembly of an annular suspended dome structure of claim 1, wherein: the top of lower conversion pole setting is equipped with the flange, the bottom of the lower pole setting of internal conversion is equipped with the flange, down convert pole setting top the flange with the lower pole setting bottom of internal conversion the flange is connected, and two through lower conversion pole setting top connecting bolt fixed connection between the flange, the bottom of up conversion pole setting is equipped with the flange, the top of the pole setting of internal conversion top is equipped with the flange, up convert the pole setting bottom the flange with the pole setting top of internal conversion top flange joint, and two through last conversion pole setting bottom connecting bolt fixed connection between the flange.
4. The annular suspended dome structure assembly full steel pipe scaffolding structure as claimed in claim 1, wherein: the upper and lower both ends of interior conversion pole setting side post shaft all are provided with interior conversion pole setting side post end, the lower part of interior conversion back timber is equipped with first bolt hole, is located the upper end interior conversion pole setting side post end pass through on the interior conversion side post fixing bolt with the lower part rigid connection of interior conversion back timber, first bolt hole with fixing bolt phase-match on the interior conversion side post, the upper portion of interior conversion floorbar is provided with the second bolt hole, be located the lower extreme interior conversion pole setting side post end through under the interior conversion side post fixing bolt with the upper portion rigid connection of interior conversion floorbar, the second bolt hole with fixing bolt phase-match under the interior conversion side post.
5. The construction method of the full steel pipe scaffold structure for assembling the annular suspended dome structure according to claim 1 is characterized by comprising the following steps:
1) Computer lofting is carried out according to the structural shape of the suspended dome, the plane arrangement positions of the annular cables and the cable clamps at the lower layer of the suspended dome and the longitudinal and transverse intervals of the upright posts of the scaffold, and the collision quantity of the annular cables and the cable clamps at the lower layer of the suspended dome and the upright posts of the scaffold is reduced on the premise of ensuring the bearing capacity of the scaffold;
2) According to computer lofting, determining the specific positions and the number of the conversion upright stanchions required to be set;
3) Determining a processing drawing of each part in the conversion vertical rod according to the bearing capacity, and carrying out industrial processing and preparation of related connecting pieces on each part in the conversion vertical rod;
4) Marking the accurate position of a vertical rod of the scaffold at the upper surface position of the foundation built by the scaffold according to the computer lofting data;
5) Erecting scaffolds, namely erecting scaffold upright rods, scaffold transverse horizontal rods and scaffold longitudinal horizontal rods of each layer by layer according to the accurate positions of the scaffold upright rods and the longitudinal and transverse intervals of the scaffold upright rods until the whole number of layers is erected;
6) In the process of setting up of scaffold frame, when needs installation conversion pole setting, the conversion pole setting is set up according to following step:
(1) firstly, respectively selecting two adjacent layers of scaffolds from the central point of the collision position of the scaffold upright post and the lower layer annular cable of the suspended dome upwards and downwards, defining the lowest scaffold below as the nth layer, then sequentially defining the nth +1 layer, the nth +2 layer and the nth +3 layer from bottom to top, then fixing the lower conversion upright post according to the lofting elevation of a computer, and connecting and fixing the lower conversion upright post and the opposite lower scaffold upright post;
(2) installing an inner conversion vertical rod bottom structure, firstly, fixedly connecting an inner conversion bottom vertical rod with a lower conversion vertical rod through a connecting bolt at the top end of the lower conversion vertical rod, then horizontally fixing the inner conversion bottom horizontal limiting rod with a (n + 1) th layer of scaffold longitudinal horizontal rod in the erected scaffold, clamping the scaffold longitudinal horizontal rod between two inner conversion bottom horizontal limiting rods arranged in front and at the back of an inner conversion bottom beam bracket, then installing and fixing the inner conversion bottom horizontal limiting bolt, and further limiting and fixing the inner conversion bottom horizontal limiting rod and the scaffold longitudinal horizontal rod;
(3) installing an inner conversion vertical rod side column, and fixing the inner conversion vertical rod side column and the inner conversion bottom beam through a lower fixing bolt of the inner conversion vertical rod side column;
(4) installing an inner conversion vertical pole top structure, and fixing an inner conversion top beam and the top end of an inner conversion vertical pole side column through a fixing bolt on the inner conversion side column;
(5) then horizontally fixing the inner conversion vertical pole top structure and a (n + 2) th layer of scaffold longitudinal horizontal pole in the finished scaffold, clamping the scaffold longitudinal horizontal pole between two inner conversion top horizontal limiting poles arranged in front and at back of an inner conversion top beam bracket, installing and fixing an inner conversion top horizontal limiting bolt, and further limiting and fixing the inner conversion top horizontal limiting pole and the scaffold longitudinal horizontal pole;
(6) installing an upper conversion upright rod, and fixedly connecting the upper conversion upright rod and an inner conversion top upright rod through a connecting bolt at the bottom end of the upper conversion upright rod;
(7) installing an inner conversion vertical rod bottom transverse reinforcing horizontal rod and an inner conversion vertical rod top transverse reinforcing horizontal rod, installing the inner conversion vertical rod bottom transverse reinforcing horizontal rod on one side of the inner conversion vertical rod bottom vertical rod, respectively extending towards two ends by taking the collision position of the scaffold vertical rod and the lower layer annular cable of the suspended dome as the center, connecting the inner conversion vertical rod bottom transverse reinforcing horizontal rod with the adjacent scaffold vertical rod, then installing the inner conversion vertical rod top transverse reinforcing horizontal rod on one side of the inner conversion top vertical rod, respectively extending towards two ends by taking the collision position of the scaffold vertical rod and the lower layer annular cable of the suspended dome as the center, and connecting the inner conversion vertical rod top transverse reinforcing horizontal rod with the adjacent scaffold vertical rod;
(8) installing an inner operating platform of the scaffold, placing the bottom surface of the inner operating platform of the scaffold on the (n + 1) th layer of transverse horizontal rod of the scaffold, the longitudinal horizontal rod of the scaffold and the transverse reinforcing horizontal rod at the bottom of the inner conversion vertical rod, and fixedly connecting the inner operating platform of the scaffold with the vertical rod at the bottom of the inner conversion vertical rod;
7) Until the whole scaffold is erected;
8) After construction, the scaffold is dismantled from the height to the bottom layer by layer, and when the conversion vertical rod is encountered in the dismantling process, the dismantling step aiming at the conversion vertical rod is dismantled in a reverse order according to the erection of the conversion vertical rod.
CN201810938056.XA 2018-08-17 2018-08-17 Full steel pipe scaffold structure for assembling annular suspended dome structure and construction method thereof Active CN109098423B (en)

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CN110528845A (en) * 2019-09-27 2019-12-03 中冶建工集团有限公司 Full hall scaffold bottom construction channel mounting process
CN113585761B (en) * 2021-09-09 2022-11-25 中建八局南方建设有限公司 Construction platform structure of ultrahigh dome structure and construction method thereof

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JP4447387B2 (en) * 2004-01-20 2010-04-07 株式会社ナカオ Work scaffolding and linking scaffolding using the same
CN100572714C (en) * 2008-06-24 2009-12-23 浙江大学 A kind of syndeton that is used for suspended-dome structure
CN105569358B (en) * 2015-12-15 2017-09-29 中国建筑第八工程局有限公司 The construction method on the special-shaped curved roof of large span multi-curvature
CN108149908A (en) * 2018-02-08 2018-06-12 安徽安兴装饰工程有限责任公司 A kind of multiple rows of superelevation landing external application scaffold device based on steel truss abnormity curtain wall
CN209129339U (en) * 2018-08-17 2019-07-19 浙江中南建设集团钢结构有限公司 The full hall steel pipe scaffold structure of annular suspended-dome structure assembly

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