CN113668882B - Hub node inverted hanging structure installation method - Google Patents
Hub node inverted hanging structure installation method Download PDFInfo
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- CN113668882B CN113668882B CN202111002529.3A CN202111002529A CN113668882B CN 113668882 B CN113668882 B CN 113668882B CN 202111002529 A CN202111002529 A CN 202111002529A CN 113668882 B CN113668882 B CN 113668882B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or 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
- E04G25/00—Shores or struts; Chocks
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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
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
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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
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
- E04G25/065—Shores or struts; Chocks telescopic with parts held together by positive means by a threaded nut
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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
- E04G25/00—Shores or struts; Chocks
- E04G2025/003—Supports therefor, e.g. tripods
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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
- E04G25/00—Shores or struts; Chocks
- E04G2025/006—Heads therefor, e.g. pivotable
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a hub node inverted hanging structure installation method, which comprises the following steps: 1) Erecting a scaffold; 2) Mounting a node angle adjusting frame to accurately position a hub node; 3) Mounting a chord angle adjusting frame to support the chord in an auxiliary manner; 4) The chord members are connected with the hub nodes; 5) And (5) installing the whole hub node inverted hanging structure according to a regular sequence. According to the invention, the accurate positioning in the installation process of the hub nodes is ensured through the node angle adjusting frame, the auxiliary supporting and positioning of the chord members are realized through the chord member angle adjusting frame, the accurate positioning between the hub nodes and the chord members is realized through the two frame bodies, the integral bearing stress performance of the installed components is improved, the components are installed layer by layer in the whole installation process from top to bottom, the chord members contained in one hub node are installed in each layer, the chord members contained in other hub nodes in the same layer are installed in sequence, until the components contained in the hub nodes in the same layer are installed, and then the components in the next layer are installed.
Description
Technical Field
The invention belongs to the technical field of accurate installation of inverted hub nodes, and particularly relates to an installation method of an inverted hub node structure.
Background
Along with the improvement of requirements of people on the appearance of a building, the appearance of a water-drop building is usually realized by adopting an inverted hub node structure, in the construction process of the structure, each component is usually bulk-assembled in a chain block high altitude, the installation mode is greatly influenced by human factors, and meanwhile, the connection is carried out only by depending on the size of an end penetration of a connecting component, so that the connection angle of the component has errors easily; the pole setting that full hall scaffold frame contained supports the hub node temporarily, causes hub node design angle to be difficult to realize in the construction installation, if the component connection angle is improper, and the actual installation component position produces the deviation, causes the accumulative error in the installation easily, causes actual installation finished product position and design calculation finished product position different and influence structure atress performance.
Disclosure of Invention
The invention aims to provide a technical scheme of a hub node inverted hanging structure installation method aiming at the defects in the prior art, the structural design is reasonable, accurate positioning in the installation process of a hub node is ensured through a node angle adjusting frame, auxiliary supporting and positioning of a chord member are realized through a chord member angle adjusting frame, accurate positioning between the hub node and the chord member is realized through two frame bodies, the welding quality between the chord member and the hub node is improved, the welding accuracy is ensured, the integral structure bearing stress performance of the welded component is improved, the installation error is reduced, the safety performance is improved, the node angle adjusting frame and the chord member angle adjusting frame are all provided with bidirectional moving components, installation between the two frame bodies and a scaffold can be realized through the bidirectional moving components, the structural stability and the firmness of the two frame bodies are ensured, the installation and the construction are convenient and simple, the movement adjustment of the frame body positions are also convenient, the installation of the whole hub node inverted hanging structure is carried out layer by layer according to layer, the installation of the chord members on the same layer is carried out sequentially in each layer, the installation of the chord members on the same layer from top to the layer is convenient, and the whole installation process is carried out again.
In order to solve the technical problems, the invention adopts the following technical scheme:
a hub node inverted hanging structure installation method comprises the following steps:
(1) Erecting a full framing scaffold according to the size of the supporting unit and the connection form of the hub nodes, and installing hub node components from top to bottom in a layered manner after the full framing scaffold is erected; the installation is carried out layer by layer, the installation process is reasonable and clear, and the actual installation operation is convenient;
(2) The method comprises the following steps that a node angle adjusting frame is arranged according to the actual design position of a hub node, the node angle adjusting frame comprises a support and a top adjusting device, the support is formed by assembling supporting units, the assembling number of the supporting units and the connection length of connecting screws between the supporting units are determined according to the actual design height of the hub node, then the supporting units are connected and assembled to form the support, two adjacent supporting units are connected through the connecting screws, and the connecting screws and the supporting units are clamped and fixed through fixing nuts; the integral height of the node angle adjusting frame can be adjusted by adjusting the assembling number of the supporting units and the connecting length of the connecting screw rods, so that the height of the node angle adjusting frame can meet the installation height requirements of different hub nodes, the supporting and positioning of different hub nodes are realized, two adjacent supporting units are connected through the connecting screw rods, and the supporting units and the connecting screw rods are clamped and fixed by matching with fixing nuts, so that the stability and the firmness of the integral structure are guaranteed;
(3) After the support is assembled, the top adjusting device is installed at the top of the support of the assembled node angle adjusting frame and comprises a top adjusting bottom plate, a group supporting rod, an angle adjusting plate and a jacking device, the group supporting rod is clamped and fixed on the top adjusting bottom plate through a first clamping nut, the angle adjusting plate is rotatably hinged on the top adjusting bottom plate, the jacking device is rotatably installed on the angle adjusting plate, and the top adjusting bottom plate is welded and fixed at the top of the support of the node angle adjusting frame; the top adjusting bottom plate and the top of the support are fixed by welding, so that the mounting firmness between the top adjusting device and the support is ensured, and the structural stability of the node angle adjusting frame is ensured, so that the stable support of the subsequent node angle adjusting frame for the hub node is ensured to be in place;
(4) The bottom of a support of the assembled node angle adjusting frame is fixedly welded with a bidirectional moving assembly, the bidirectional moving assembly comprises a longitudinal slide rail, a transverse slide rail and a moving limit group, the transverse slide rail is clamped and fixed on the longitudinal slide rail through a first adjusting nut, the moving limit group is clamped and fixed on the transverse slide rail through a second adjusting nut, the longitudinal slide rail is fixedly welded at the bottom of the support of the node angle adjusting frame, then the position of the first adjusting nut on the longitudinal slide rail and the position of the second adjusting nut on the transverse slide rail are adjusted, so that the position of the moving limit group is adjusted, the moving limit group is moved to correspond to a scaffold rod on a scaffold, and then the moving limit group and the scaffold are fixedly installed; the longitudinal slide rail and the bottom of the support are welded, the connection firmness between the longitudinal slide rail and the bottom of the support is ensured, the installation and fixation between the node angle adjusting frame and the scaffold are realized through the bidirectional moving assembly, so that the firmness of the whole frame body is ensured, and the structure of the bidirectional moving assembly is further designed, the all-round adjustment of the position of the movement limiting group is finally realized through adjusting the first adjusting nut and the second adjusting nut, so that the bidirectional moving assembly can be adjusted according to the transverse and longitudinal spans of the full-hall scaffold, the installation and fixation between the bidirectional moving assembly and the scaffold are realized, the bidirectional moving assembly and the scaffold are suitable for being connected with the transverse and longitudinal rods of the full-hall scaffold with various sizes, the actual disassembly and assembly are convenient, and the application range is wider;
(5) Adjusting the angle of an angle adjusting plate according to the actual design of a hub node, wherein two sides of the angle adjusting plate are fixed on a guide rod in a limiting manner through a folding adjusting block matched with a fastening nut, when the angle of the angle adjusting plate is adjusted, the fastening nut is unscrewed, the angle adjusting plate is rotated, the angle adjusting plate pulls the folding adjusting blocks which are rotatably connected with two sides to move synchronously, the folding adjusting blocks are always clamped on the corresponding guide rods through penetrating chutes, the guide rods are fixed on a top adjusting bottom plate through supporting seats, after the angle of the angle adjusting plate is adjusted in place, the fastening nut is screwed, then a clamping nut Ning Songdi is screwed, a group supporting rod is moved towards the direction of the angle adjusting plate until the top of the group supporting rod is abutted against the angle adjusting plate, and then the first clamping nut is screwed; the angle adjusting plate can be suitable for connection of hub nodes with different space angles by adjusting the angle of the angle adjusting plate, and the folding adjusting blocks are arranged on two sides of the angle adjusting plate, so that the angle adjusting plate can pull the folding adjusting blocks connected with the angle adjusting plate to synchronously move in the rotating process, the folding adjusting blocks are always clamped on the guide rods through the through chutes in the moving process, the stability and the safety in the angle adjusting process of the angle adjusting plate are ensured, after the angle of the angle adjusting plate is adjusted, the folding adjusting blocks and the guide rods are tightly and fixedly abutted through screwing the fastening nuts, the folding adjusting blocks cannot move, the angle adjusting plate cannot rotate, the integral stability after the angle adjusting plate is rotated in place is ensured, and the limiting angle adjusting plate is supported from the lower side of the angle adjusting plate by the group supporting rods after the angle of the angle adjusting plate is adjusted, the angle adjusting plate is limited from rotating backwards, so as to be matched with the fastening nuts, the stability of the integral structure after the angle adjusting plate is adjusted is ensured, and the safety performance of integral operation is improved;
(6) Temporarily hoisting the hub node on a tightening chassis in a tightening device, then adjusting a tightening piece in the tightening device, and tightening and fixing the hub node through the tightening piece; the jacking chassis is connected to the angle adjusting plate through the rotating shaft and is clamped and fixed through the limiting nut, the jacking chassis can be axially rotated by adopting the fixing mode, so that the position of the jacking piece on the jacking chassis is adjusted, the connection and fixation between the chord member and the hub node can not be influenced while the jacking piece carries out limiting and fixing on the hub node, the stability of the hub node after accurate positioning is ensured by compressing and fixing the hub node through the jacking piece, and the subsequent connection and fixation between the hub node and the chord member are facilitated;
(7) After the hub node is in place, a chord angle adjusting frame is installed and comprises a top supporting device and a support, the support of the chord angle adjusting frame is formed by assembling supporting units, the assembling number of the supporting units and the connecting length of connecting screws between the supporting units are determined according to the actual design height of a chord, the supporting units are connected and assembled to form the support, two adjacent supporting units are connected through the connecting screws, and the connecting screws and the supporting units are clamped and fixed through fixing nuts; after the auxiliary support of the hub node is fixed, the chord angle adjusting frame is installed, the chord is supported and positioned in an auxiliary mode through the chord angle adjusting frame, and chords to be connected with the hub node are in accurate positions in the installation process, so that accurate positions between the chords and the hub node are achieved, accurate welding and fixing between the chords and the hub node are improved, a support in the chord angle adjusting frame is formed by assembling support units, the height of the chord angle adjusting frame can be adjusted by adjusting the assembling number of the support units and the connecting length of connecting screws, and accurate position support of chords with different heights is met;
(8) Installing a top supporting device on the top of the assembled support of the chord angle adjusting frame, wherein the top supporting device comprises a connecting bottom plate, an adjusting screw rod and a limiting component, the adjusting screw rod is clamped and fixed on the connecting bottom plate through a second clamping nut, the limiting component is positioned on the adjusting screw rod, and the connecting bottom plate is welded and fixed on the top of the support of the chord angle adjusting frame; the top support device and the support are installed and fixed through welding and fixing between the connecting bottom plate and the support, and the structural strength and the stability of the whole chord angle adjusting frame are effectively ensured, so that the chord is stably supported;
(9) Welding and fixing a bidirectional moving assembly at the bottom of the support of the assembled chord angle adjusting frame, welding and fixing a longitudinal slide rail at the bottom end of the support of the chord angle adjusting frame, adjusting the position of a first adjusting nut on the longitudinal slide rail and the position of a second adjusting nut on a transverse slide rail after welding is finished, so that the position of a movement limiting group is adjusted, the movement limiting group is moved to correspond to a scaffold rod on a scaffold, and then the movement limiting group is installed between the scaffold; the bidirectional moving assembly is also arranged at the bottom of the chord angle adjusting frame, so that the chord angle adjusting frame and the scaffold are convenient to install and fix, the subsequent chord angle adjusting frame is convenient to move and adjust in time, the auxiliary support for chords at different positions is realized, the chords and the corresponding hub nodes are sequentially installed, the bidirectional moving assembly is wide in application range, and the requirement for connection and installation between scaffolds with different sizes can be met;
(10) Adjusting the position of the top supporting device according to the actual design height of the chord member, firstly unscrewing the second clamping nut, adjusting the height of the adjusting screw rod extending out of the connecting bottom plate according to requirements, screwing the second clamping nut, then further adjusting the height of the limiting assembly on the adjusting screw rod, wherein the limiting assembly comprises a sleeve and a supporting rod, the sleeve is sleeved on the adjusting screw rod through the limiting nut, the supporting rod is fixed on the outer side wall of the sleeve, unscrewing the supporting nut, adjusting the height of the sleeve on the adjusting screw rod until the sleeve drives the supporting rod to move in place, rotating the supporting rod in place through rotating the sleeve according to the actual design angle of the chord member, and then screwing the supporting nut; the top supporting device is adjusted according to the actual design height and the angle of the chord after the chord angle adjusting frame is in place, so that the auxiliary supporting effect of the chord is ensured, during actual adjustment, the height of the adjusting screw rod extending out of the connecting bottom plate is adjusted, so that the adjusting stroke range of a subsequent limiting assembly is adjusted, the limiting assembly can support chords with different heights and angles within the adjusting stroke range, then the height of the limiting assembly is accurately adjusted, and the sleeve is rotated to adjust the angle of the supporting rod, so that accurate positioning and supporting of the chord are ensured, the overall adjusting operation process is reasonable and simple, and the operation is convenient;
(11) Hoisting the chord, placing the chord hoisting support on the support rod, and welding and fixing the end part of the chord and the hub node; the lower part of the chord member is supported and positioned through the support rod, so that the chord member is ensured to be accurately positioned, and the hub node is accurately positioned and supported through the node angle adjusting frame, so that the chord member and the hub node are more conveniently and accurately welded and fixed, and the welding quality is improved;
(12) After one chord is installed, moving a chord angle adjusting frame used by the upper chord to the position of the next chord of the hub node, adjusting the chord angle adjusting frame, and installing the chord until the connection and installation of other chord members at the hub node are completed; the installation process is reasonable, the node angle adjusting frame always supports and fixes the hub node in an auxiliary mode in the whole installation process, the stability and reliability of the whole structure in the installation process are guaranteed, the construction safety performance is improved, the chord angle adjusting frame is recycled, after the chord at one position is connected and fixed with the hub node, the chord angle adjusting frame of the chord at the position is moved to the position of the chord needing to be connected at the next position, corresponding adjustment of the chord angle adjusting frame is carried out according to the design position requirement of the chord at the next position, the chord is installed, and the process is repeated until all other chord components at the hub node are installed;
(13) After the chord member at the same hub node is installed, installing a node angle adjusting frame for the next hub node in place, adjusting the node angle adjusting frame to realize accurate in-place of the next hub node, moving the chord angle adjusting frame for the upper chord to the required position of the chord connected with the next hub node, adjusting the chord angle adjusting frame, and installing the chord until the connection and installation of other chord members at the next hub node are completed; after the chord member at the same hub node is installed, sequentially installing chords at other hub nodes on the layer, installing a node angle adjusting frame in position according to the design position of the next hub node, realizing accurate position of the hub node through the node angle adjusting frame, moving the chord angle adjusting frame in the previous position to the required positions of all chords connected with the hub node, and sequentially installing chords on the hub node until the installation of the chord members at the hub node is completed;
(14) Repeating the process of the step (13) until the installation between all hub nodes and the contained members on the same layer is completed, and then installing the hub node members on the next layer according to the installation process of the hub node members on the previous layer until the installation of the structural members of the inverted hub nodes is completed; through repeating the above steps, until accomplish all hub nodes of the same layer and the installation back that contains between the component, the installation of next layer hub node component is carried out again, thereby according to from last step down, accomplish the installation of whole inverse hub node structural component, the installation is reasonable and clear, in the continuous installation of whole inverse hub node structural component again, the hub node receives the auxiliary stay of node angle alignment jig all the time and fixes, guarantee the steadiness and the fastness of whole structure, improve the operational safety performance in the actual installation, reduce the potential safety hazard, chord member angle alignment jig then carries out the repeated reuse, realize the auxiliary stay in proper order to the chord member of co-altitude, angle, thereby be convenient for chord member and correspond between the hub node fixed connection, guarantee the accurate nature and the steadiness of both connections.
Further, it includes the connecting plate and removes the slider to remove spacing group, sliding connection has two connecting plates in the regulation spout of removal slider, the position of the scaffold pole of connecting according to corresponding on the scaffold, remove two connecting plates along adjusting the spout, make the scaffold pole on the scaffold just in time the chucking between two connecting plates, rethread bolt assembly is fixed with connecting between two connecting plates, make the scaffold pole just in time press from both sides tightly spacing between two connecting plates, the interval is adjustable between two connecting plates, thereby can press from both sides the scaffold pole that corresponds the connection spacing through two connecting plates, realize moving the tight fixing of clamp between limit group and the different diameter scaffold pole, it is fixed with connecting between two connecting plates to rethread bolt assembly after pressing from both sides tightly, thereby effectively guarantee the installation fastness of device on full hall scaffold, and reasonable in design, application scope is extensive, realize dismantling with the installation between the full hall scaffold of equidimension not.
Further, the adjusting steps of the jacking piece are as follows: unscrewing positioning nut, adjust the pole and move toward hub node direction, the tight piece in top that drives that it is connected with when adjusting the pole and remove moves toward hub node direction synchronous motion along the adjustment tank on top tight chassis surface, it conflicts the hub node to reach tight piece top, and adjust the pole and move the locating plate that runs through corresponding all the time in-process, when the tight piece in top removes to target in place, it will adjust the pole spacing to fix on the locating plate to screw up positioning nut, reasonable in design, use and adjust convenient simple, the tight piece in top moves toward central direction along the adjustment tank until the tight piece in top conflicts on the lateral surface of hub node, realize the tight piece in top to the hub node support in top, rethread adjusting rod cooperation positioning nut will push up tight piece spacing fixed, guarantee the fixed effect in top, and the tight piece in top chassis is provided with at least two, can follow two position top tight spacing hub node in at least position through two at least top pieces, thereby effectively ensure overall structure fastness and stability after the hub node is fixed, improve structure security, be convenient for the positioning welding operation between follow-up hub node and the chord pole.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the structure design is reasonable, accurate positioning in the installation process of the node hub nodes is ensured through the node angle adjusting frame, auxiliary supporting and positioning of the chord members are realized through the chord member angle adjusting frame, accurate positioning between the hub nodes and the chord members is realized through the two frame bodies, welding quality between the chord members and the hub nodes is improved, welding accuracy is ensured, bearing stress performance of the whole structure of the welded components is improved, installation errors are reduced, safety performance is improved, the node angle adjusting frame and the chord member angle adjusting frame are provided with the bidirectional moving assembly, installation between the two frame bodies and a scaffold can be realized through the bidirectional moving assembly, structural stability and firmness of the two frame bodies are guaranteed, installation and construction are convenient and simple, movement and adjustment of positions of the frame bodies are facilitated, installation of all hub nodes in the same layer is performed layer by layer in the installation process of the whole hub node inverted hanging structure, installation of the chord members on one hub node is performed sequentially, installation of the chord members on the other hub nodes on the same layer is performed sequentially, installation of the chord members on the next layer is performed sequentially, and the actual installation of the nodes can be adjusted according to a certain requirement when the actual installation is performed, and the operation is not convenient to be performed.
In the invention, the two-way moving assembly can realize the installation between the node angle adjusting frame, the chord angle adjusting frame and the full framing scaffold, the firmness and the reliability of the installation structures of the two frame bodies are ensured, and the two-way moving assembly can be suitable for being connected and fixed with different full framing scaffolds by further arranging the structure of the two-way moving assembly, has wide application range, is convenient for the installation and the disassembly of the node angle adjusting frame and the chord angle adjusting frame, and the supports of the node angle adjusting frame and the chord angle adjusting frame are assembled and connected by adopting the supporting units, so that the overall height of the node angle adjusting frame and the chord angle adjusting frame can be adjusted, the node angle adjusting frame can accurately support hub nodes with different heights in place, and the chord angle adjusting frame can support and lift auxiliary supporting chords with different heights, thereby being more convenient for connecting and fixing the chord member and the hub node, and being applied to fixing the hub node with each space angle and height by further designing the structure of the node angle adjusting frame, the node angle adjusting frame can tightly support the chord member with an inclination angle through the supporting rod through the further arrangement of the structure of the chord angle adjusting frame, and the two limiting components are generally symmetrically arranged, thereby simultaneously supporting and lifting the chord member through the two supporting rods, ensuring the supporting effect on the chord member, and the two limiting components are not limited to be arranged, and also can be combined by one of the two limiting components which are symmetrically distributed, a plurality of combinations are arranged for common support, and the ingenious design of the node angle adjusting frame and the chord angle adjusting frame is passed, the construction difficulty that the connection effect of each component in bulk at high altitude of the traditional chain block is greatly influenced by human factors can be effectively avoided, the connection error is reduced, and the bearing stress performance of the integral structure of the welded component is improved.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a hub node and a chord member in a welded state according to the present invention;
FIG. 2 is a schematic structural view of a chord angle adjusting bracket according to the present invention;
FIG. 3 is a schematic view of the top support assembly and the bracket assembly of the present invention;
FIG. 4 is a schematic structural view of a nodal point angle adjustment bracket of the present invention;
FIG. 5 is a schematic view showing a state in which the fastening member fastens the hub node top in accordance with the present invention;
FIG. 6 is a schematic view of the mounting structure of the top adjustment device and the bracket of the present invention;
FIG. 7 is a schematic structural view of a spacing assembly of the present invention;
FIG. 8 is a schematic view of the top support assembly of the present invention;
FIG. 9 is a schematic view of an installation structure of an adjusting screw and a connecting bottom plate according to the present invention;
FIG. 10 is a schematic view of the construction of the top adjustment assembly of the present invention;
FIG. 11 is a schematic view of an installation structure of the jacking chassis and the angle adjusting plate according to the present invention;
FIG. 12 is a schematic view of the location distribution of the top member on the top chassis according to the present invention;
FIG. 13 is a schematic structural view of a bi-directional movement assembly of the present invention;
FIG. 14 is a diagram illustrating the structure of a shift limiting group according to the present invention;
FIG. 15 is a schematic structural view of a connecting plate according to the present invention;
FIG. 16 is a schematic structural view of a movable slider in the present invention;
fig. 17 is a schematic structural view of the supporting unit of the present invention.
In the figure: 1-a node angle adjusting bracket; 2-chord angle adjusting bracket; 3-a top adjustment device; 4-a scaffold; 5-top adjusting bottom plate; 6-group of supporting rods; 7-angle adjusting plate; 8-a jacking device; 9-a first clamping nut; 10-tightly pushing the chassis; 11-a top member; 12-a rotating shaft; 13-a limit nut; 14-a jacking block; 15-adjusting the rod; 16-an adjustment tank; 17-positioning plate; 18-a positioning nut; 19-a support unit; 20-connecting a screw rod; 21-a fixing nut; 22-fold type regulating block; 23-a through chute; 24-a support seat; 25-a guide bar; 26-a fastening nut; 27-a bi-directional movement assembly; 28-longitudinal slide rail; 29-transverse slide rail; 30-a moving limit group; 31-a first adjusting nut; 32-a second adjusting nut; 33-a connecting plate; 34-moving the slide block; 35-adjusting the chute; 36-a bolt assembly; 37-a top support means; 38-connecting the base plate; 39-adjusting screw; 40-a spacing assembly; 41-a second clamping nut; 42-a sleeve; 43-a support bar; 44-a support nut; 45-hub node; 46-chord member.
Detailed Description
As shown in fig. 1 to 17, the method for installing a hub node inverted hanging structure according to the present invention includes the following steps:
(1) Erecting a full framing scaffold according to the size of the supporting unit and the connection form of the hub nodes, and installing hub node components from top to bottom in a layered manner after the full framing scaffold is erected; the installation is carried out layer by layer, the installation process is reasonable and clear, and the actual installation operation is convenient;
(2) The node angle adjusting frame 1 is arranged according to the actual design position of a hub node 45, the node angle adjusting frame 1 comprises a support 4 and a top adjusting device 3, the support 4 is formed by assembling support units 19, the assembling number of the support units 19 and the connection length of connecting screws 20 between the support units 19 are determined according to the actual design height of the hub node 45, the support 4 is formed by connecting and assembling the support units 19, two adjacent support units 19 are connected through the connecting screws 20, and the connecting screws 20 and the support units 19 are clamped and fixed through fixing nuts 21; the overall height of the node angle adjusting frame 1 can be adjusted by adjusting the assembling number of the supporting units 19 and the connecting length of the connecting screw rods 20, so that the height of the node angle adjusting frame 1 can meet the installation height requirements of different hub nodes 45, the supporting and positioning of different hub nodes 45 are realized, two adjacent supporting units 19 are connected through the connecting screw rods 20, and the supporting units 19 and the connecting screw rods 20 are clamped and fixed by matching with the fixing nuts 21, so that the stability and firmness of the overall structure are guaranteed;
(3) After the support 4 is assembled, the top adjusting device 3 is installed at the top of the support 4 of the assembled node angle adjusting frame 1, the top adjusting device 3 comprises a top adjusting bottom plate 5, a group supporting rod 6, an angle adjusting plate 7 and a tightening device 8, the group supporting rod 6 is clamped and fixed on the top adjusting bottom plate 5 through a first clamping nut 9, the angle adjusting plate 7 is rotatably hinged on the top adjusting bottom plate 5, the tightening device 8 is rotatably installed on the angle adjusting plate 7, and the top adjusting bottom plate 5 is welded and fixed at the top of the support 4 of the node angle adjusting frame 1; the top adjusting bottom plate 5 and the top of the support 4 are fixed by welding, so that the mounting firmness between the top adjusting device 3 and the support 4 is ensured, the structural stability of the node angle adjusting frame 1 is ensured, and the stable support of the subsequent node angle adjusting frame 1 on the hub node 45 is ensured to be in place;
(4) The two-way moving assembly 27 is welded and fixed at the bottom of the support 4 of the assembled node angle adjusting frame 1, the two-way moving assembly 27 comprises a longitudinal slide rail 28, a transverse slide rail 29 and a moving limit group 30, the transverse slide rail 29 is clamped and fixed on the longitudinal slide rail 28 through a first adjusting nut 31, the moving limit group 30 is clamped and fixed on the transverse slide rail 29 through a second adjusting nut 32, the longitudinal slide rail 28 is welded and fixed at the bottom end of the support 4 of the node angle adjusting frame 1, then the position of the first adjusting nut 31 on the longitudinal slide rail 28 and the position of the second adjusting nut 32 on the transverse slide rail 29 are adjusted, so that the position of the moving limit group 30 is adjusted, the moving limit group 30 is moved to correspond to a scaffold rod on the scaffold, and then the moving limit group 30 and the scaffold are installed and fixed; the longitudinal slide rail 28 and the bottom of the support 4 are welded, the connection firmness between the longitudinal slide rail 28 and the support is ensured, the node angle adjusting frame 1 and the scaffold are fixedly installed through the bidirectional moving assembly 27, so that the firmness of the whole frame body is ensured, the structure of the bidirectional moving assembly 27 is further designed, the all-dimensional adjustment of the position of the movement limiting group 30 is finally realized through adjusting the first adjusting nut 31 and the second adjusting nut 32, the bidirectional moving assembly 27 can be adjusted according to the transverse and longitudinal spans of the full-hall scaffold, the installation and the fixation between the scaffold are realized, and therefore the connection between the bidirectional moving assembly 27 and the transverse and longitudinal rods of the full-hall scaffold with various sizes is realized, the actual disassembly and assembly are convenient, and the application range is wider;
the movable limiting group 30 comprises connecting plates 33 and movable sliding blocks 34, two connecting plates 33 are connected in an adjusting sliding groove 35 of each movable sliding block 34 in a sliding mode, the two connecting plates 33 are moved along the adjusting sliding groove 35 according to the positions of corresponding connected scaffold rods on the scaffold, the scaffold rods on the scaffold are just clamped between the two connecting plates 33, the two connecting plates 33 are connected and fixed through a bolt assembly 36, the scaffold rods are just clamped and limited between the two connecting plates 33, the distance between the two connecting plates 33 is adjustable, the correspondingly connected scaffold rods can be clamped and limited through the two connecting plates 33, the movable limiting group 30 and the scaffold rods with different diameters are clamped and fixed, and the two connecting plates 33 are connected and fixed through the bolt assembly 36 after clamping, so that the installation firmness of the device on the full-hall scaffold is effectively guaranteed, the design is reasonable, the application range is wide, and the installation and the detachment between the full-hall scaffolds with different sizes are realized;
(5) Adjusting the angle of an angle adjusting plate 7 according to the actual design of a hub node 45, wherein two sides of the angle adjusting plate 7 are limited and fixed on a guide rod 25 through a folding adjusting block 22 matched with a fastening nut 26, when the angle of the angle adjusting plate 7 is adjusted, the fastening nut 26 is unscrewed, the angle adjusting plate 7 is rotated, the angle adjusting plate 7 pulls the folding adjusting blocks 22 which are rotatably connected at two sides to synchronously move, the folding adjusting blocks 22 are always clamped on the corresponding guide rods 25 through a through chute 23, the guide rods 25 are fixed on a top adjusting bottom plate 5 through a supporting seat 24, when the angle of the angle adjusting plate 7 is adjusted in place, the fastening nuts 26 are screwed, then a clamping nut 9 of Ning Songdi is used for moving a group supporting rod 6 towards the angle adjusting plate 7 until the top of the group supporting rod 6 is abutted against the angle adjusting plate 7, and then the first clamping nut 9 is screwed; the angle adjusting plate 7 can be suitable for connection of hub nodes 45 with different space angles by adjusting the angle of the angle adjusting plate 7, and the folding adjusting blocks 22 are arranged on two sides of the angle adjusting plate 7, so that the angle adjusting plate 7 can pull the folding adjusting blocks 22 connected with the angle adjusting plate to synchronously move in the rotating process, and the folding adjusting blocks 22 are always clamped on the guide rods 25 through the through chutes 23 in the moving process, so that the stability and the safety in the angle adjusting process of the angle adjusting plate 7 are ensured, and after the angle adjusting plate 7 is adjusted, the fastening nuts 26 are screwed to tightly support and fix the folding adjusting blocks 22 and the guide rods 25, so that the folding adjusting blocks 22 cannot move, the angle adjusting plate 7 cannot rotate, the integral stability after the angle adjusting plate 7 rotates in place is ensured, and the limiting angle adjusting plate 7 is supported from the lower part of the angle adjusting plate 7 after the angle adjusting plate 7 is adjusted by adopting the group supporting rods 6, the angle adjusting plate 7 is prevented from rotating back in angle, so as to be matched with the fastening nuts 26, the stability of the integral structure of the angle adjusting plate 7 after the angle adjusting is ensured, and the safety performance of the integral operation is improved;
(6) Temporarily hoisting the hub node 45 on a tightening chassis 10 in a tightening device 8, then adjusting a tightening piece 11 in the tightening device 8, and tightening and fixing the hub node 45 through the tightening piece 11; the jacking chassis 10 is connected to the angle adjusting plate 7 through the rotating shaft 12 and is clamped and fixed through the limiting nut 13, the jacking chassis 10 can be axially rotated by adopting the fixing mode, so that the position of the jacking piece 11 on the jacking chassis 10 is adjusted, the hub node 45 is limited and fixed by the jacking piece 11, meanwhile, the connection and fixation between the chord and the hub node 45 cannot be influenced, the hub node 45 is compressed and fixed through the jacking piece 11, the stability of the hub node 45 after accurate positioning is ensured, and the subsequent connection and fixation between the hub node 45 and the chord 46 are facilitated;
the adjustment steps of the top member 11 are as follows: the positioning nut 18 is unscrewed, the adjusting rod 15 moves towards the hub node 45, the adjusting rod 15 drives the jacking block 14 connected with the adjusting rod to synchronously move towards the hub node 45 along the adjusting groove 16 on the surface of the jacking chassis 10 when moving, until the jacking block 14 is jacked and abutted against the hub node 45, the adjusting rod 15 always penetrates through the corresponding positioning plate 17 in the moving process, when the jacking block 14 moves in place, the positioning nut 18 is screwed to limit and fix the adjusting rod 15 on the positioning plate 17, the positioning plate 17 is fixed on the jacking chassis 10, the design is reasonable, the use and the adjustment are convenient and simple, the jacking block 14 moves towards the central direction along the adjusting groove 16 until the jacking block 14 is abutted against the outer side surface of the hub node 45, the stable reliability in the adjusting process is ensured, the jacking support of the hub node 45 by the jacking block 14 is realized, the jacking and the fixing effects are ensured by the positioning nut 18 matched with the adjusting rod 15, at least two jacking blocks 11 are arranged on the jacking chassis 10, the hub node 45 can be jacked from at least two jacking blocks 11, the effective position of the hub node 45 is ensured, the safety and the stability of the positioning structure after the fixing and the hub node 45 is improved, and the overall stability of the hub is convenient for welding operation;
(7) After the hub node 45 is in place, the chord angle adjusting frame 2 is installed, the chord angle adjusting frame 2 comprises a top supporting device 37 and a support 4, the support 4 of the chord angle adjusting frame 2 is formed by assembling supporting units 19, the assembling number of the supporting units 19 and the connecting length of connecting screws 20 between the supporting units 19 are determined according to the actual design height of a chord 46, the supporting units 19 are connected and assembled to form the support 4, two adjacent supporting units 19 are connected through the connecting screws 20, and the connecting screws 20 and the supporting units 19 are clamped and fixed through fixing nuts 21; after the hub node 45 is supported and fixed in an auxiliary mode, the chord angle adjusting frame 2 is installed, the chord 46 is supported and positioned in an auxiliary mode through the chord angle adjusting frame 2, in addition, the chord 46 to be connected with the hub node 45 is in accurate in-place in the installation process, so the accurate in-place between the chord 46 and the hub node 45 is realized, the accurate welding and fixing between the chord 46 and the hub node 45 are improved, the support 4 in the chord angle adjusting frame 2 is also assembled through the support units 19, the height of the chord angle adjusting frame 2 can be adjusted through adjusting the assembling number of the support units 19 and the connection length of the connecting screw rods 20, and the accurate in-place supporting of the chords 46 with different heights is further met;
(8) Installing a top supporting device 37 at the top of the support 4 of the assembled chord angle adjusting frame 2, wherein the top supporting device 37 comprises a connecting bottom plate 38, an adjusting screw 39 and a limiting assembly 40, the adjusting screw 39 is clamped and fixed on the connecting bottom plate 38 through a second clamping nut 41, the limiting assembly 40 is positioned on the adjusting screw 39, and the connecting bottom plate 38 is welded and fixed at the top of the support 4 of the chord angle adjusting frame 2; the top supporting device 37 and the bracket 4 are fixedly installed by welding the connecting bottom plate 38 and the bracket 4, so that the structural strength and stability of the whole chord angle adjusting frame 2 are effectively ensured, and the chord 46 is stably supported;
(9) Welding and fixing a bidirectional moving assembly 27 at the bottom of the support 4 of the assembled chord angle adjusting frame 2, welding and fixing a longitudinal slide rail 28 at the bottom end of the support 4 of the chord angle adjusting frame 2, adjusting the position of a first adjusting nut 31 on the longitudinal slide rail 28 and the position of a second adjusting nut 32 on a transverse slide rail 29 after welding is finished, so that the position of a movement limiting group 30 is adjusted, the movement limiting group 30 is moved to correspond to a scaffold rod on a scaffold, and then the movement limiting group 30 is installed between the scaffold; the bidirectional moving assembly 27 is also arranged at the bottom of the chord angle adjusting frame 2, so that the chord angle adjusting frame 2 and the scaffold are convenient to install and fix, and the subsequent chord angle adjusting frame 2 is convenient to move and adjust in time, so that auxiliary support for chords 46 at different positions is realized, the chords 46 and the corresponding hub nodes 45 are sequentially installed, and the bidirectional moving assembly 27 has a wide application range and can meet the connection and installation requirements of scaffolds with different sizes;
the movable limiting group 30 comprises connecting plates 33 and movable sliding blocks 34, two connecting plates 33 are connected in an adjusting sliding groove 35 of each movable sliding block 34 in a sliding mode, the two connecting plates 33 are moved along the adjusting sliding groove 35 according to the positions of corresponding connected scaffold rods on the scaffold, the scaffold rods on the scaffold are just clamped between the two connecting plates 33, the two connecting plates 33 are connected and fixed through a bolt assembly 36, the scaffold rods are just clamped and limited between the two connecting plates 33, the distance between the two connecting plates 33 is adjustable, the correspondingly connected scaffold rods can be clamped and limited through the two connecting plates 33, the movable limiting group 30 and the scaffold rods with different diameters are clamped and fixed, and the two connecting plates 33 are connected and fixed through the bolt assembly 36 after clamping, so that the installation firmness of the device on the full-hall scaffold is effectively guaranteed, the design is reasonable, the application range is wide, and the installation and the detachment between the full-hall scaffolds with different sizes are realized;
(10) Adjusting the position of the top supporting device 37 according to the actual design height of the chord 46, firstly loosening the second clamping nut 41, adjusting the height of the adjusting screw 39 extending out of the connecting bottom plate 38 according to the requirement, tightening the second clamping nut 41, then further adjusting the height of the limiting assembly 40 on the adjusting screw 39, wherein the limiting assembly 40 comprises a sleeve 42 and a supporting rod 43, the sleeve 42 is in limiting sleeve connection with the adjusting screw 39 through a supporting nut 44, the supporting rod 43 is fixed on the outer side wall of the sleeve 42, loosening the supporting nut 44, adjusting the height of the sleeve 42 on the adjusting screw 39 until the sleeve 42 drives the supporting rod 43 to move in place, rotating the supporting rod 43 in place through rotating the sleeve 42 according to the actual design angle of the chord 46, and then tightening the supporting nut 44; the top supporting device 37 is adjusted according to the actual design height and angle of the chord 46 after the chord angle adjusting frame 2 is in place, so that the auxiliary supporting effect of the chord 46 is ensured, during actual adjustment, the height of the adjusting screw 39 extending out of the connecting bottom plate 38 is adjusted, so that the adjusting stroke range of the subsequent limiting assembly 40 is adjusted, the limiting assembly 40 can support chords 46 with different heights and angles within the adjusting stroke range, the height of the limiting assembly 40 is accurately adjusted, and the sleeve 42 is rotated to adjust the angle of the supporting rod 43, so that accurate positioning and supporting of the chord 46 are ensured, the overall adjusting operation process is reasonable and simple, and the operation is convenient;
(11) Hoisting the chord 46, hoisting and supporting the chord 46 on the support rod 43, and welding and fixing the end part of the chord 46 and the hub node 45; the supporting rod 43 is used for supporting and positioning the lower part of the chord 46, so that the chord 46 is ensured to be accurately positioned, and the hub node 45 is accurately positioned and supported through the node angle adjusting frame 1, so that the chord 46 and the hub node 45 can be accurately welded and fixed conveniently, and the welding quality is improved;
(12) After one chord 46 is installed, moving the chord angle adjusting frame 2 used by the chord 46 at the upper position to the position of the next chord 46 of the hub node 45, adjusting the chord angle adjusting frame 2, and installing the chord 46 until the connection and installation of other chord 46 components at the hub node 45 are completed; the installation process is reasonable, in the whole installation process, the node angle adjusting frame 1 always supports and fixes the hub node 45 in an auxiliary mode, the stability and reliability of the overall structure in the installation process are guaranteed, the construction safety performance is improved, the chord angle adjusting frame 2 is recycled, after the chord 46 at one position is connected and fixed with the hub node 45, the chord angle adjusting frame 2 of the chord 46 at the position is moved to the position of the chord 46 needing to be connected at the next position, corresponding adjustment of the chord angle adjusting frame 2 is carried out according to the design position requirement of the chord 46 at the next position, the chord 46 is installed, and the process is repeated until all other chord 46 components at the hub node 45 are installed;
(13) After the chord member 46 at the same hub node 45 is installed, installing the node angle adjusting frame 1 for the next hub node 45 in place, adjusting the node angle adjusting frame 1 to realize accurate in-place of the next hub node 45, moving the chord angle adjusting frame 2 for the chord member 46 at the upper position to the required position of the chord member 46 connected with the next hub node 45, adjusting the chord angle adjusting frame 2, and installing the chord member 46 until the connection and installation of other chord members 46 at the next hub node 45 are completed; after the chord member 46 at the same hub node 45 is installed, sequentially installing chords 46 at other hub nodes 45 on the layer, installing the node angle adjusting frame 1 in place according to the design position of the next hub node 45, accurately positioning the hub node 45 through the node angle adjusting frame 1, moving the chord angle adjusting frame 2 at the previous position to the required positions of all connected chords 46 of the hub node 45, and sequentially installing the chords 46 on the hub node 45 until the installation of the chord members 46 of other chords 46 at the hub node 45 is completed, wherein the installation is reasonable according to the process and convenient to operate;
(14) Repeating the process of the step (13) until the installation between all the hub nodes 45 and the contained components on the same layer is completed, and then installing the hub nodes 45 on the next layer according to the installation process of the hub nodes 45 on the previous layer until the installation of the structural components of the inverted hub nodes 45 is completed; through repeating the above steps, until accomplish all hub nodes 45 of the same floor and the installation back between the component that contains, carry out the installation of next floor hub node 45 component again, thereby according to from last step down, accomplish the installation of whole inverted hub node 45 structural component, the installation is reasonable and clear, whole inverted hub node 45 structural component continues the installation in-process again, hub node 45 department receives the auxiliary stay of node angle alignment frame 1 all the time and fixes, guarantee the steadiness and the fastness of whole structure, improve the operation security performance in the actual installation process, reduce the potential safety hazard, chord angle alignment frame 2 then carries out repeated reuse, realize the auxiliary stay in proper order to chord 46 of different height, angle, thereby be convenient for connect fixedly between chord 46 and the corresponding hub node 45, ensure the accurate nature and the steadiness of both connections.
The structure of the invention is reasonable in design, accurate positioning of the node-hub node 45 in the installation process is ensured through the node angle adjusting frame 1, auxiliary supporting and positioning of the chord 46 is realized through the chord angle adjusting frame 2, accurate positioning between the hub node 45 and the chord 46 is realized through two frame bodies, welding quality between the chord 46 and the hub node 45 is improved, welding accuracy is ensured, the whole structure bearing stress performance of the welded component is improved, installation errors are reduced, safety performance is improved, the node angle adjusting frame 1 and the chord angle adjusting frame 2 are provided with the bidirectional moving assembly 27, installation between the two frame bodies and a scaffold can be realized through the bidirectional moving assembly 27, structural stability and firmness of the two frame bodies are ensured, installation and construction are convenient and simple, moving adjustment of the frame body positions is facilitated, installation of the whole hub node 45 is reversely hung in the structure, installation is performed layer by layer in the sequence from top to bottom, installation of the chord 46 on one hub node 45 in each layer is performed in sequence, installation of other hub nodes 45 on the same layer is performed in sequence, installation of the chord 45 is performed in sequence from top to bottom, and the whole hub is convenient to perform certain adjustment on the actual installation sequence, and the whole hub installation process is performed according to the operation of the chord 45, and the whole hub is performed in sequence, and the actual installation process is not suitable for a certain layer, and the installation of the chord 45.
In the invention, the two-way moving assembly 27 can be used for realizing the installation between the node angle adjusting frame 1, the chord angle adjusting frame 2 and the full framing scaffold, the firmness and the reliability of the installation structures of the two frame bodies are ensured, and the two-way moving assembly 27 can be suitable for being connected and fixed with different full framing scaffolds by further arranging the structure of the two-way moving assembly 27, the application range is wide, the installation and the disassembly of the node angle adjusting frame 1 and the chord angle adjusting frame 2 are convenient, and the support frames 4 of the node angle adjusting frame 1 and the chord angle adjusting frame 2 are assembled and connected by adopting the support unit 19, so that the integral height of the node angle adjusting frame 1 and the chord angle adjusting frame 2 can be adjusted, and the node angle adjusting frame 1 can accurately support the hub nodes 45 with different heights in place, the chord angle adjusting frame 2 can meet the requirement of auxiliary supporting and lifting of chords 46 with different heights, so that the chord 46 and the hub node 45 are more convenient to connect and fix, the node angle adjusting frame 1 can adjust the height and the angle according to the actual design height of the hub node 45 through further design of the structure of the node angle adjusting frame 1, so that the node angle adjusting frame can be applied to fixing the hub node 45 with each space angle and height, the chord 46 with an inclined angle is tightly supported through the supporting rod 43 through further arrangement of the structure of the chord angle adjusting frame 2, the two limiting assemblies 40 are generally symmetrically arranged, so that the lifting rods 46 can be simultaneously supported through the two supporting rods 43, the supporting effect on the chord 46 is ensured, the two limiting assemblies 40 are not limited to be arranged, and a plurality of combinations are arranged to be jointly supported by combining the two limiting assemblies 40 which are symmetrically distributed, with the ingenious design of the node angle adjusting frame 1 and the chord angle adjusting frame 2, the construction problem that the connecting effect of each component in bulk at high altitude of the traditional chain block is greatly influenced by human factors can be effectively avoided, the connecting error is reduced, and the bearing stress performance of the whole structure of the welded component is improved.
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 (3)
1. A hub node inverted hanging structure installation method is characterized in that: the method comprises the following steps:
(1) Erecting a full framing scaffold according to the size of the supporting unit and the connection form of the hub nodes, and installing hub node components from top to bottom in a layered manner after the full framing scaffold is erected;
(2) The node angle adjusting frame is arranged according to the actual design position of the hub node and comprises a support and a top adjusting device, the support is formed by assembling support units, the assembling number of the support units and the connection length of connecting screws between the support units are determined according to the actual design height of the hub node, the support is formed by connecting and assembling the support units, two adjacent support units are connected through the connecting screws, and the connecting screws and the support units are clamped and fixed through fixing nuts;
(3) After the support is assembled, the top adjusting device is installed at the top of the support of the assembled node angle adjusting frame and comprises a top adjusting bottom plate, a group supporting rod, an angle adjusting plate and a jacking device, the group supporting rod is clamped and fixed on the top adjusting bottom plate through a first clamping nut, the angle adjusting plate is rotatably hinged on the top adjusting bottom plate, the jacking device is rotatably installed on the angle adjusting plate, and the top adjusting bottom plate is welded and fixed at the top of the support of the node angle adjusting frame;
(4) The bottom of a support of the assembled node angle adjusting frame is fixedly welded with a bidirectional moving assembly, the bidirectional moving assembly comprises a longitudinal slide rail, a transverse slide rail and a moving limit group, the transverse slide rail is clamped and fixed on the longitudinal slide rail through a first adjusting nut, the moving limit group is clamped and fixed on the transverse slide rail through a second adjusting nut, the longitudinal slide rail is fixedly welded at the bottom of the support of the node angle adjusting frame, then the position of the first adjusting nut on the longitudinal slide rail and the position of the second adjusting nut on the transverse slide rail are adjusted, so that the position of the moving limit group is adjusted, the moving limit group is moved to correspond to a scaffold rod on a scaffold, and then the moving limit group and the scaffold are fixedly installed;
(5) Adjusting the angle of an angle adjusting plate according to the actual design of a hub node, wherein two sides of the angle adjusting plate are fixed on a guide rod in a limiting manner through a folding adjusting block matched with a fastening nut, when the angle of the angle adjusting plate is adjusted, the fastening nut is unscrewed, the angle adjusting plate is rotated, the angle adjusting plate pulls the folding adjusting blocks which are rotatably connected with two sides to move synchronously, the folding adjusting blocks are always clamped on the corresponding guide rods through penetrating chutes, the guide rods are fixed on a top adjusting bottom plate through supporting seats, after the angle of the angle adjusting plate is adjusted in place, the fastening nut is screwed, then a clamping nut Ning Songdi is screwed, a group supporting rod is moved towards the direction of the angle adjusting plate until the top of the group supporting rod is abutted against the angle adjusting plate, and then the first clamping nut is screwed;
(6) Temporarily hoisting the hub node on a tightening chassis in a tightening device, then adjusting a tightening piece in the tightening device, and tightening and fixing the hub node through the tightening piece;
(7) After the hub node is in place, a chord angle adjusting frame is installed and comprises a top supporting device and a support, the support of the chord angle adjusting frame is also formed by assembling supporting units, the assembling number of the supporting units and the connecting length of connecting screws between the supporting units are determined according to the actual design height of a chord, the supporting units are connected and assembled to form the support, two adjacent supporting units are connected through the connecting screws, and the connecting screws and the supporting units are clamped and fixed through fixing nuts;
(8) Installing a top supporting device at the top of the support of the assembled chord angle adjusting frame, wherein the top supporting device comprises a connecting bottom plate, an adjusting screw rod and a limiting assembly, the adjusting screw rod is clamped and fixed on the connecting bottom plate through a second clamping nut, the limiting assembly is positioned on the adjusting screw rod, and the connecting bottom plate is welded and fixed at the top of the support of the chord angle adjusting frame;
(9) Welding and fixing a bidirectional moving assembly at the bottom of the support of the assembled chord angle adjusting frame, welding and fixing a longitudinal slide rail at the bottom end of the support of the chord angle adjusting frame, adjusting the position of a first adjusting nut on the longitudinal slide rail and the position of a second adjusting nut on a transverse slide rail after welding is finished, so that the position of a movement limiting group is adjusted, the movement limiting group is moved to correspond to a scaffold rod on a scaffold, and then the movement limiting group is installed between the scaffold;
(10) Adjusting the position of the top supporting device according to the actual design height of the chord member, firstly unscrewing the second clamping nut, adjusting the height of the adjusting screw rod extending out of the connecting bottom plate according to requirements, screwing the second clamping nut, then further adjusting the height of the limiting assembly on the adjusting screw rod, wherein the limiting assembly comprises a sleeve and a supporting rod, the sleeve is sleeved on the adjusting screw rod through the limiting nut, the supporting rod is fixed on the outer side wall of the sleeve, unscrewing the supporting nut, adjusting the height of the sleeve on the adjusting screw rod until the sleeve drives the supporting rod to move in place, rotating the supporting rod in place through rotating the sleeve according to the actual design angle of the chord member, and then screwing the supporting nut;
(11) Hoisting the chord member, placing the chord member hoisting support on the support rod, and welding and fixing the end part of the chord member and the hub node;
(12) After one chord is installed, moving a chord angle adjusting frame used by the upper chord to the position of the next chord of the hub node, adjusting the chord angle adjusting frame, and installing the chord until the connection and installation of other chord members at the hub node are completed;
(13) After the chord member at the same hub node is installed, installing a node angle adjusting frame for the next hub node in place, adjusting the node angle adjusting frame to realize accurate in-place of the next hub node, moving the chord angle adjusting frame for the upper chord to the required position of the chord connected with the next hub node, adjusting the chord angle adjusting frame, and installing the chord until the connection and installation of other chord members at the next hub node are completed;
(14) And (5) repeating the process of the step (13) until the installation between all hub nodes and the contained members on the same layer is completed, and then installing the hub node members on the next layer according to the installation process of the hub node members on the previous layer until the installation of the inverted hub node structural members is completed.
2. The method for installing the hub node inverted hanging structure according to the claim 1, characterized in that: the mounting steps between the movement limiting group and the scaffold are as follows: remove spacing group including the connecting plate with remove the slider, sliding connection has two connecting plates in the regulation spout of removing the slider, according to the position of the scaffold pole that corresponds the connection on the scaffold, remove two connecting plates along adjusting the spout for scaffold pole on the scaffold is chucking just in time between two connecting plates, and rethread bolt assembly is fixed with being connected between two connecting plates, makes scaffold pole just in time press from both sides tightly spacing between two connecting plates.
3. The method for installing the hub node inverted hanging structure according to the claim 1, characterized in that: the adjusting steps of the jacking piece are as follows: unscrewing positioning nut, will adjusting the pole and remove toward hub node direction, adjust the pole and drive the tight piece in top that is connected with it when removing and along the tight chassis surface in top adjustment tank toward hub node direction synchronous motion, until the tight piece in top tightly contradicts the hub node, and adjust the pole and remove the in-process and run through the locating plate that corresponds all the time, when the tight piece in top removed when targetting in place, screw up positioning nut and will adjust the spacing fixing of pole on the locating plate.
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