CN113668882A - Hub node inverted hanging structure installation method - Google Patents
Hub node inverted hanging structure installation method Download PDFInfo
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- CN113668882A CN113668882A CN202111002529.3A CN202111002529A CN113668882A CN 113668882 A CN113668882 A CN 113668882A CN 202111002529 A CN202111002529 A CN 202111002529A CN 113668882 A CN113668882 A CN 113668882A
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- angle adjusting
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- hub node
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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, the accurate positioning in the installation process of a hub node is ensured through a node angle adjusting frame, the auxiliary supporting and positioning of a chord member are realized through a chord member angle adjusting frame, the 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 a 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 both provided with bidirectional moving components, the installation between 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, and the movement adjustment of the frame body position is also convenient, in the installation of whole hub node inverted hanging structure, carry out the successive layer installation according to from last down order, the installation of the chord member that contains on the hub node is carried out earlier in every layer, carries out the installation of chord member on other hub nodes on the same floor in proper order again, and the installation of the component that contains until accomplishing the hub node on the same floor again carries out the installation of next floor, and whole installation is reasonable, the operation of the reality of being convenient for.
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 clean, and the actual installation operation is convenient;
(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; 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 mounting 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 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 to 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 first clamping nut is screwed, an assembly supporting rod is moved towards the direction of the angle adjusting plate until the top of the assembly 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 connecting hub nodes with different space angles by adjusting the angle of the angle adjusting plate, the folding adjusting blocks are arranged on two sides of the angle adjusting plate, so that the angle adjusting plate can be pulled 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 fixed by screwing the fastening nuts, so that 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 angle adjusting plate is supported and limited from the lower part of the angle adjusting plate by adopting the group supporting rods after the angle adjusting plate is adjusted, so as to limit the angle of the angle adjusting plate to rotate backwards, the angle adjusting plate is matched with the fastening nut, so that the stability of the whole structure after the angle of the angle adjusting plate is adjusted is ensured, and the safety performance of the whole 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 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; 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 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; 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 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; 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 of the members contained in all the hub nodes 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; through repeating the above steps, until the installation of the component that all hub nodes of completion same floor contained, the installation of next floor 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 whole inverse hub node structural component continuouslying installation process 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 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 and be connected fixedly, guarantee the accurate nature and the steadiness of both connections.
Furthermore, the movable limiting group comprises a connecting plate and a movable sliding block, two connecting plates are connected in an adjusting sliding groove of the movable sliding block in a sliding way, according to the position of the scaffold rod correspondingly connected with the scaffold, the two connecting plates are moved along the adjusting sliding groove, so that the scaffold rod on the scaffold is just clamped between the two connecting plates, and the two connecting plates are connected and fixed through the bolt assembly, so that the scaffold rod is just clamped and limited between the two connecting plates, the distance between the two connecting plates is adjustable, thereby the corresponding connected scaffold rods can be clamped and limited through the two connecting plates, the clamping and fixing between the movement limiting group and the scaffold rods with different diameters are realized, the two connecting plates are connected and fixed through the bolt assembly after being clamped, thereby effectively guarantee the installation fastness of device on full hall scaffold frame, reasonable in design, application scope is extensive, realizes dismantling with the not unidimensional installation between the full hall scaffold frame.
Further, the adjusting steps of the jacking piece are as follows: the positioning nut is unscrewed, the adjusting rod moves towards the hub node direction, the adjusting rod drives the jacking block connected with the adjusting rod to synchronously move towards the hub node direction along the adjusting groove on the surface of the jacking chassis when moving, until the jacking block is propped against the hub node, the adjusting rod always penetrates through the corresponding positioning plate in the moving process, when the jacking block moves in place, the positioning nut is screwed to limit and fix the adjusting rod on the positioning plate, the design is reasonable, the use and the adjustment are convenient and simple, the jacking block moves towards the central direction along the adjusting groove until the jacking block is propped against the outer side surface of the hub node, the jacking block is propped against the hub node, the jacking block is limited and fixed by the adjusting rod matched with the positioning nut, the jacking and fixing effect is ensured, at least two jacking pieces are arranged on the jacking chassis, and the limiting hub node can be propped from at least two directions by the at least two jacking pieces, thereby effectively ensure overall structure fastness and stability after the hub node is fixed, improve structural safety nature, be convenient for follow-up hub node and chord member between the fixed welding operation of fixed position.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention has reasonable structural design, ensures accurate positioning in the installation process of the hub nodes through the node angle adjusting frame, realizes auxiliary supporting and positioning of the chord members through the chord member angle adjusting frame, adopts two frame bodies to realize accurate positioning between the hub nodes and the chord members, improves the welding quality between the chord members and the hub nodes, ensures the welding accuracy, thereby improving the whole structural bearing stress performance of the welded component, reduces the installation error, improves the safety performance, and the node angle adjusting frame and the chord member angle adjusting frame are provided with the bidirectional moving assembly which can realize the installation with a scaffold, ensures the structural stability and firmness of the two frame bodies, is convenient and simple to install and construct, is convenient to move and adjust the positions of the frame bodies, and is installed layer by layer from top to bottom in the installation process of the whole hub node inverted hanging structure, the installation of chord member that contains on the hub node is carried out earlier in every layer, the installation of chord member on other hub nodes on the same floor is carried out in proper order again, until the installation that the hub node of completion same floor contains the component, the installation of next floor is carried out again, whole installation process is reasonable, the operation of being convenient for reality, but during actual installation, not limit and certain hub node of installing earlier according to, the order of installing in proper order is gone on again to chord member around this hub node, can carry out certain adaptability adjustment according to the actual demand, thereby the construction of being more convenient for reality.
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 be more convenient for be connected fixedly between chord member and the hub node, and through the further design to node angle alignment jig structure, make node angle alignment jig can be according to hub node actual design height, the angle is adjusted, thereby can be applied to the hub node of each space angle and height fixed, and through the further setting to chord member angle alignment jig structure, carry out inseparable support to the chord member that has inclination through the bracing piece, and spacing subassembly generally symmetry sets up two, thereby can support simultaneously through two bracing pieces and lift the chord member, ensure the supporting effect to the chord member, and spacing subassembly also is not restricted to setting up two, also can be with two spacing subassembly position one combination of symmetric distribution, set up a plurality of combinations and support jointly, with node angle alignment jig, the ingenious design of chord member angle alignment jig, can effectively avoid traditional chain block high altitude each component in bulk from causing the connection effect to receive the great execution of artificial factor influence The difficult problem of worker reduces connection error, improves the overall structure of welded component and bears the weight of the atress performance.
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 adjusting bracket according to 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 base plate according to the present invention;
FIG. 10 is a schematic view 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-fixing a 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 clean, 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 slidably connected in adjusting sliding grooves 35 of the movable sliding blocks 34, the two connecting plates 33 are moved along the adjusting sliding grooves 35 according to the positions of the scaffold rods correspondingly connected on the scaffold, so that the scaffold rods on the scaffold are just clamped between the two connecting plates 33, the two connecting plates 33 are fixedly connected 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 clamping and fixing between the movable limiting group 30 and the scaffold rods with different diameters are realized, the two connecting plates 33 are fixedly connected through the bolt assembly 36 after clamping, the mounting firmness of the device on the full-space scaffold is effectively ensured, and the design is reasonable, the application range is wide, and the mounting and dismounting between the scaffold and full scaffolds with different sizes are realized;
(5) the angle of the angle adjusting plate 7 is adjusted according to the actual design angle of the hub node 45, two sides of the angle adjusting plate 7 are limited and fixed on the guide rod 25 through the folding adjusting block 22 and the 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 the two sides to move synchronously, and the folding adjusting block 22 is always clamped on the corresponding guide rod 25 through the through sliding chute 23, the guide rod 25 is fixed on the top adjusting bottom plate 5 through the support seat 24, when the angle of the angle adjusting plate 7 is adjusted in place, the fastening nut 26 is screwed tightly, then the first clamping nut 9 is loosened, the group supporting rods 6 are moved towards the angle adjusting plate 7 until the tops of the group supporting rods 6 abut against the angle adjusting plate 7, and then the first clamping nut 9 is screwed down; the angle adjusting plate 7 can be suitable for connecting 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 folding adjusting blocks 22 and the guide rods 25 are tightly fixed by screwing the fastening nuts 26, so that the folding adjusting blocks 22 cannot move, the angle adjusting plate 7 cannot rotate, the integral stability of the angle adjusting plate 7 after rotating in place is ensured, and the group supporting rods 6 are adopted to support the limiting angle adjusting plate 7 from the lower part of the angle adjusting plate 7 after the angle adjusting plate 7 is adjusted, the angle adjusting plate 7 is limited from rotating backwards in angle, so that the angle adjusting plate is matched with the fastening nut 26, the stability of the whole structure after the angle of the angle adjusting plate 7 is ensured, and the safety performance of the whole operation is improved;
(6) temporarily hanging 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 connection and fixation between the chord and the hub node 45 cannot be influenced while the jacking piece 11 carries out limiting and fixing on the hub node 45, the hub node 45 is pressed and fixed through the jacking piece 11 to ensure the stability of the hub node 45 after accurate positioning, 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, and the jacking block 14 is limited and fixed by the adjusting rod 15 matching with the positioning nut 18, the jacking and fixing effects are ensured, at least two jacking pieces 11 are arranged on the jacking chassis 10, and the limiting hub nodes 45 can be jacked from at least two directions through the at least two jacking pieces 11, so that the overall structural firmness and stability of the fixed hub nodes 45 are effectively ensured, the structural safety is improved, and the subsequent positioning welding operation between the hub nodes 45 and the chord members 46 is facilitated;
(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 also 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 nodes 45 are supported and fixed in an auxiliary mode, the chord angle adjusting frame 2 is installed, the chords 46 are supported and positioned in an auxiliary mode through the chord angle adjusting frame 2, in addition, the chords 46 to be connected with the hub nodes 45 are in accurate positions in the installation process, so that the accurate positions of the chords 46 and the hub nodes 45 are realized, the accurate welding and fixing between the chords 46 and the hub nodes 45 are improved, the supports 4 in the chord angle adjusting frame 2 are also assembled through the supporting units 19, the height of the chord angle adjusting frame 2 can be adjusted through adjusting the assembling number of the supporting units 19 and the connecting length of the connecting screw rods 20, and the accurate positions and supporting of the chords 46 with different heights can be 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 slidably connected in adjusting sliding grooves 35 of the movable sliding blocks 34, the two connecting plates 33 are moved along the adjusting sliding grooves 35 according to the positions of the scaffold rods correspondingly connected on the scaffold, so that the scaffold rods on the scaffold are just clamped between the two connecting plates 33, the two connecting plates 33 are fixedly connected 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 clamping and fixing between the movable limiting group 30 and the scaffold rods with different diameters are realized, the two connecting plates 33 are fixedly connected through the bolt assembly 36 after clamping, the mounting firmness of the device on the full-space scaffold is effectively ensured, and the design is reasonable, the application range is wide, and the mounting and dismounting between the scaffold and full 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 whole 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 required 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 the chord members 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 the chord members 46 connected with the hub node 45, and sequentially installing the chord members 46 on the hub node 45 until the installation of the other chord members 46 at the hub node 45 is completed, wherein the process is reasonable and convenient to operate;
(14) repeating the process of the step (13) until the installation of the components contained in all the hub nodes 45 on the same layer is completed, and then installing the components of the hub node 45 on the next layer according to the installation process of the components of the hub node 45 on the previous layer until the installation of the structural components of the inverted hub node 45 is completed; through repeating the above steps, until the installation of the component that all hub nodes 45 of completion same floor contain, the installation of next floor hub node 45 component is carried out again, thereby according to from last step down, accomplish the installation of whole inverse hub node 45 structural component, the installation is reasonable and clear, whole inverse hub node 45 structural component continues the installation 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, reduce the potential safety hazard, chord member angle alignment frame 2 then carries out repeated reuse, realize the auxiliary stay in proper order to the chord member 46 of different height, angle, thereby be convenient for connect fixedly between chord member 46 and the corresponding hub node 45, ensure the accurate nature and the steadiness of both connections.
The invention has reasonable structural design, ensures accurate positioning in the installation process of the hub node 45 through the node angle adjusting frame 1, realizes auxiliary supporting and positioning of the chord 46 through the chord angle adjusting frame 2, adopts two frame bodies to realize accurate positioning between the hub node 45 and the chord 46, improves the welding quality between the chord 46 and the hub node 45, ensures the welding accuracy, thereby improving the integral structural bearing stress performance of the welded component, reducing the installation error and improving the safety performance, and the node angle adjusting frame 1 and the chord angle adjusting frame 2 are provided with the bidirectional moving assembly 27, can realize the installation with a scaffold through the bidirectional moving assembly 27, ensures the structural stability and the firmness of the two frame bodies, is convenient and simple to install and construct, is also convenient to move and adjust the positions of the frame bodies, and in the installation process of the whole hub node 45 inverted hanging structure, carry out the successive layer installation according to from last down order, the installation of chord member 46 that contains on the hub node 45 is carried out earlier in each layer, the installation of chord member 46 on other hub nodes 45 on the same floor is carried out in proper order again, the installation of the component that contains until the hub node 45 of accomplishing the same floor, the installation of next floor is carried out again, whole installation process is reasonable, be convenient for actual operation, but during actual installation, and be not limited to and certain hub node 45 of installing earlier according to, carry out the order of installing in proper order again to chord member 46 around this hub node 45, can carry out certain adaptability adjustment according to the actual demand, thereby be more convenient for actual construction.
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 the support unit 19, so that the overall height of the node angle adjusting frame 1 and the chord angle adjusting frame 2 can be adjusted, the node angle adjusting frame 1 can accurately support and position hub nodes 45 with different heights, and the chord angle adjusting frame 2 can support and lift chords 46 with different heights in an auxiliary manner, thereby being more convenient for the connection and fixation between the chord 46 and the hub node 45, and through the further design of the structure of the node angle adjusting frame 1, the node angle adjusting frame 1 can adjust the height and the angle according to the actual design height of the hub node 45, thereby being applied to the fixation of the hub node 45 with each space angle and height, and through the further arrangement of the structure of the chord angle adjusting frame 2, the chord 46 with an inclination angle is closely supported through the supporting rod 43, and the two limiting components 40 are generally symmetrically arranged, thereby the lifting chord 46 can be simultaneously supported through the two supporting rods 43, the supporting effect of the chord 46 is ensured, and the limiting components 40 are not limited to be arranged into two, and also can be combined by the two limiting components 40 which are symmetrically distributed and arranged into a combination, a plurality of combinations are arranged for common support, and the ingenious design of the node angle adjusting frame 1 and the chord angle adjusting frame 2 is passed through, 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.
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 first clamping nut is screwed, an assembly supporting rod is moved towards the direction of the angle adjusting plate until the top of the assembly 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 of the components contained in all the hub nodes on the same layer is completed, and then installing the hub node components on the next layer according to the installation process of the hub node components on the previous layer until the installation of the inverted hub node structural components is completed.
2. The method for installing the hub node inverted hanging structure according to the claim 1, characterized in that: the installation steps between the movable 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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| CN114892995A (en) * | 2022-04-29 | 2022-08-12 | 中建三局第三建设工程有限责任公司 | Installation method of drum joint, steel structure latticed shell and construction method of assembly unit of steel structure latticed shell |
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| 刘兰涛等: "全悬空、倒挂型多层检修马道施工技术研究", 《青岛理工大学学报》 * |
| 简鸿福等: "毂型节点网壳空间结构施工控制要点分析", 《工程建设与设计》 * |
| 贾光华等: "铝合金毂节点网架在全封闭煤场中的应用", 《电站辅机》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892995A (en) * | 2022-04-29 | 2022-08-12 | 中建三局第三建设工程有限责任公司 | Installation method of drum joint, steel structure latticed shell and construction method of assembly unit of steel structure latticed shell |
| CN114892995B (en) * | 2022-04-29 | 2023-08-08 | 中建三局第三建设工程有限责任公司 | Drum node installation method, steel structure net shell and construction method of assembly unit of steel structure net shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113668882B (en) | 2023-01-13 |
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