CN216787874U - Large-scale ring type truss hoisting structure in large-span high altitude - Google Patents

Large-scale ring type truss hoisting structure in large-span high altitude Download PDF

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CN216787874U
CN216787874U CN202123095767.1U CN202123095767U CN216787874U CN 216787874 U CN216787874 U CN 216787874U CN 202123095767 U CN202123095767 U CN 202123095767U CN 216787874 U CN216787874 U CN 216787874U
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area
assembly
truss
areas
cantilever
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顾磊
魏钰
史静
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Abstract

The utility model discloses a large-span high-altitude large-scale ring type truss lifting structure which comprises two pre-assembly areas, an assembly first area, an assembly second area, an assembly third area, an assembly fourth area, a fixed support lifting frame temporarily connected to the middle of an arc line of the assembly fourth area and truss hangers arranged on the outer side of the assembly fourth area, wherein the truss hangers are connected to the outer side of an air truss connected body, at least two truss hangers are arranged on the truss hangers, and the truss hangers are symmetrically arranged relative to the axis of the air truss connected body. The truss is connected in a partitioning manner, and the problems of fixation, precision, connection and the like during lifting can be guaranteed by different lifting modes, so that the installation is facilitated; the fixed supporting lifting frame is arranged, so that the connection and fixation are facilitated, and the limit and fixed point support can be performed in the lifting process; through the setting of cantilever even frame, do benefit to the fixed stay hoisting frame and carry out the promotion handling in order, it is connected with the district of assembling in advance and can effectually provide the counter-force and support.

Description

Large-scale ring type truss hoisting structure in large-span high altitude
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a large-span high-altitude large-scale ring type truss lifting structure.
Background
With the diversified development of building structures and the multifunctional requirements of people on buildings, the steel structure style is developed, and the lifting, mounting and construction of the steel truss are important. At the present stage, most of steel trusses are installed by using hoisting equipment or erecting full framing scaffolds, so that a large amount of construction space is occupied, the construction is not easy to carry out when the lower part of the steel trusses is provided with a built building, particularly, the tower type building is connected and simultaneously provided with an overhanging high-altitude truss, the large-span and high-altitude overhanging truss is lack of a corresponding construction method during specific construction, and the whole process of truss lifting control and final integral structure forming is related.
SUMMERY OF THE UTILITY MODEL
The utility model provides a large-span high-altitude large-scale annular truss lifting structure, which is used for solving the technical problems of partition lifting, lifting design, lifting sequence and the like of equal trusses.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a large-scale ring type truss hoisting structure of large-span high altitude comprises two pre-assembly areas, an assembly first area, an assembly second area, an assembly third area, an assembly fourth area, a fixed support hoisting frame temporarily connected to the middle of an arc line of the assembly fourth area and truss hangers arranged on the outer side of the assembly fourth area, wherein the truss hangers are connected to the outer side of an aerial truss integrated body, at least two truss hangers are arranged, and the truss hangers are symmetrically arranged about an aerial truss integrated body axis;
the pre-assembly area, the assembly first area, the assembly second area, the assembly third area and the assembly fourth area surround to form an air truss connected body, and the two pre-assembly areas are connected to the top of the constructed structure.
The two pre-assembly areas are splayed, the assembly first area is connected to one side of a splayed small opening of the two pre-assembly areas, the assembly third area is arc-shaped and is connected to one side of a large opening of the two pre-assembly areas, and the assembly second area is connected between the assembly first area and the assembly second area; the inner sides of the first splicing area, the second splicing area and the third splicing area are annular center areas; the four assembling areas are arc-shaped and connected to one side of the large openings of the two pre-assembling areas and are positioned outside the three assembling areas;
furthermore, a pre-assembly area, an assembly first area, an assembly second area, an assembly third area and an assembly fourth area surround to form an aerial truss integrated body, and the two pre-assembly areas are connected to the top of the constructed structure; the first assembling area, the third assembling area and the fourth assembling area are all large-span truss bodies, and the top height of the fourth assembling area is smaller than that of the third assembling area, and the first assembling area, the third assembling area and the fourth assembling area are assembled in a step mode.
Furthermore, the first splicing area, the second splicing area and the third splicing area all comprise two areas, and the two areas take the connecting symmetrical line of the aerial truss as an axis; the assembly four areas are arc areas connected with the pre-assembly area; the pre-assembly area is connected with the top of the built building body through a frame column and a truss connecting column; the pre-assembled area corresponding to the built building body is in a splayed shape.
Furthermore, assembling trusses on the top surface of the built building body to form a pre-assembly area, wherein the distance between the upright columns of the assembly jig frame is set corresponding to the column distance of the frame columns of the built building body and is arranged at the position of a floor beam or column; when the concrete is poured into the built building body, the scaffold is used as a lower support, wherein the bottom of the scaffold is reserved to the top surface of the foundation, and the bottom of the scaffold is not locally reinforced.
Furthermore, the fixed support lifting frame comprises two groups of fixed support upright columns, fixed support coupling beams, fixed support extension arms and fixed support connecting rods, wherein the two groups of fixed support upright columns are arranged in parallel;
furthermore, the fixed support connecting rod is connected with the top of the pre-assembly area in a claw shape; two groups of the fixed support stand columns are arranged along the radial direction of the ring center area and penetrate out of the four assembling areas, and the two groups of the fixed support stand columns are correspondingly arranged along the ring direction of the ring center area; reinforcing tie bars can be disassembled between each group of the fixed supporting upright columns and the middle lower parts of the two groups of the fixed supporting upright columns.
Furthermore, the middle parts and the lower parts of the two groups of fixed supporting upright columns are also connected with a supporting structure, the supporting structure comprises supporting columns, supporting beams and a supporting wall, the supporting beams are distributed in a grid manner, and the fixed supporting upright columns penetrate through the grids and are connected through connecting pieces; the support columns, the support beams and the support walls are main body beam bodies, columns and wall bodies of the lower built building body.
Furthermore, a steel structure conversion platform is arranged at the bottom of the fixed support lifting frame to transmit column base reaction force to a concrete foundation and is connected with the floor of the built building body, two reinforcing tie rods are arranged in the middle of the fixed support lifting frame, and a fixed support coupling beam and a fixed support extension arm are arranged at the top of the fixed support lifting frame; the fixed support hoisting frame is internally provided with a steel crawling ladder and an operating platform.
Furthermore, the truss hanging frame is connected with the pre-assembly area through a hanging device, and the hanging device comprises a hanging connecting head, a steel strand connected below the hanging connecting head, a hanging connecting plate connected to the bottom of the steel strand and a hanging reinforcing plate connected between one side of the hanging connecting plate and the steel strand piece; the hanging connecting plate is H-shaped, wherein the top surface of the transverse part is connected with the bottom of the steel strand, and the bottom of the opening is connected with a steel strand to be treated; the hanging connecting head is connected with the top of the cantilever connecting frame.
Furthermore, the cantilever connecting frame comprises a cantilever connecting rod, a cantilever connecting suspension rod, a cantilever diagonal brace rod, a cantilever diagonal connecting rod and a cantilever diagonal connecting rod; the cantilever connecting rod is vertically connected to the upper portion of the truss longitudinal rod of the pre-assembly area, the cantilever connecting rod is vertically connected to one side, close to the truss hanging bracket, of the top of the cantilever connecting rod, the cantilever diagonal rod is connected between the cantilever connecting rod and the truss longitudinal rod, and the cantilever diagonal rod is connected between the cantilever connecting rod and the truss longitudinal rod.
The utility model has the beneficial effects that:
1) the utility model divides the truss connected bodies installed at different heights into two parts of pre-assembly and ground assembly, and lifts by different lifting modes, thereby not only facilitating installation, but also ensuring the problems of fixation, precision, connection and the like during lifting;
2) according to the utility model, through the arrangement of the fixed support lifting frame, on one hand, the fixed support extension arm is used for connection and fixation, and on the other hand, the fixed support upright post is used for mounting the splicing general area; the fixed supporting upright post is designed through a sliding rail, and can be limited and supported at fixed points in the lifting process;
3) according to the utility model, through the arrangement of the cantilever connecting frame, the fixed support lifting frame is favorable for orderly lifting and hoisting, and the cantilever connecting frame is connected with the pre-assembly area to effectively provide counter-force support; the lifting precision can be effectively ensured by applying the implementation method in the lifting process.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model; the primary objects and other advantages of the utility model may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic view of a large-span high-altitude ring truss lifting installation structure;
FIG. 2 is a sectional view of a large-span high-altitude ring type truss lifting installation structure;
FIG. 3 is an assembly schematic view of a large-span high-altitude ring truss lifting installation structure;
FIG. 4 is a schematic view of the construction connection of the high-altitude truss integrated body and the fixed supporting hoisting frame;
FIG. 5 is a schematic view of the connection of the fixed support lifting frame to the pre-assembly area;
FIG. 6 is a first perspective view of the fixed support lifting frame and the high-altitude truss;
FIG. 7 is a second perspective view of the connection of the fixed support lifting frame and the high-altitude truss;
FIG. 8 is a side view of the connection of the fixed support lifting frame and the high-altitude truss;
FIG. 9 is a perspective view of the cantilever connecting frame and the pre-assembly area;
FIG. 10 is a schematic side view of the attachment of the cantilever attachment to the pre-assembly area;
FIG. 11 is a first schematic view of the hanger and the cantilever connecting frame;
FIG. 12 is a second schematic view of the hanger and the cantilever connecting frame;
FIG. 13 is a schematic view of the connection of the support posts to the support structure;
FIG. 14 is a partial schematic view of the connection of the support posts to the support structure;
FIG. 15 is a first schematic view of the truss hanger frame installation high-altitude truss integrated construction;
fig. 16 is a schematic view of the truss hanger installation high-altitude truss connection construction.
Reference numerals: 1-annular center area, 2-aerial truss integrated body, 3-fixed supporting lifting frame, 31-fixed supporting upright post, 32-fixed supporting coupling beam, 33-fixed supporting extension arm, 34-fixed supporting connecting rod, 4-truss hanger, 5-pre-assembly area, 6-assembly one area, 7-assembly two area, 8-assembly three area, 9-assembly four area, 10-assembly total area, 11-frame column, 12-truss coupling column, 13-hanger, 131-hanging coupling head, 132-steel strand, 133-hanging coupling plate, 134-hanging reinforcing plate, 14-cantilever coupling frame, 141-cantilever coupling upright post, 142-cantilever coupling upright post, 143-cantilever diagonal brace, 144-cantilever diagonal brace one rod, 145-cantilever diagonal brace two rods, 15-supporting structure, 151-support columns, 152-support beams, 153-support walls, 16-hoisting areas.
Detailed Description
Taking a hotel as an example, the hotel is of a double-tower structure, the roof air connector of the double-tower adopts a steel truss structure, the air connector is positioned at the position of the roof between the south building and the north building of the hotel, the installation elevation is 51.700 m-63.350 m, the connector is approximately arranged in a circular ring shape, the connected steel structure is positioned at the tops of the tower buildings of the hotel at two sides, the span is about 36 m-50 m, and the maximum cantilever length is about 30 m.
As shown in fig. 1 to 16, a construction method of a large-span high-altitude ring-type truss lifting and mounting structure comprises two pre-assembly areas 5, an assembly first area 6, an assembly second area 7, an assembly third area 8 and an assembly fourth area 9, wherein the two pre-assembly areas 5 are splayed, the assembly first area 6 is connected to one side of a splayed small opening of the two pre-assembly areas 5, the assembly third area 8 is arc-shaped and is connected to one side of a large opening of the two pre-assembly areas 5, and the assembly second area 7 is connected between the assembly first area 6 and the assembly second area 7; the inner sides of the first splicing area 6, the second splicing area 7 and the third splicing area 8 are ring center areas 1; the four assembling areas 9 are arc-shaped and connected to one side of the large opening of the two pre-assembling areas 5 and are positioned outside the three assembling areas 8.
In the embodiment, a pre-assembly area 5, an assembly first area 6, an assembly second area 7, an assembly third area 8 and an assembly fourth area 9 surround to form a high-altitude truss integrated body, and the two pre-assembly areas 5 are connected to the top of a constructed structure; the high altitude truss disjunctor contains the truss longitudinal rod of level to, connect in the truss horizontal pole of truss longitudinal rod level to, connect in the vertical truss montant of truss longitudinal rod, connect in the truss down tube between the truss longitudinal rod of upper and lower floor, connect in the first curved bar of truss longitudinal rod one side, connect in the curved web member between the first curved bar of level to two trusss, connect in the truss second curved bar in the first curved bar outside of truss, and connect in the truss curved bar between the first curved bar of upper and lower floor two trusss and between the first curved bar of upper and lower floor two trusss.
In this embodiment, the two pre-assembly areas 5, the first assembly area 6 and the second assembly area 7 include truss longitudinal rods, truss transverse rods, truss vertical rods and truss diagonal rods; the truss longitudinal rods, the truss transverse rods, the truss vertical rods and the truss inclined rods are all steel rod pieces. Three district 8 and four district 9 of assembling contain the first curved bar of truss, bent web member, truss second curved bar, truss bent montant and truss bent down tube. The first truss curved bar, the curved web member, the second truss curved bar, the truss curved vertical bar and the truss curved diagonal bar are all steel bar members.
In the embodiment, the first assembling area 6, the second assembling area 7 and the third assembling area 8 all comprise two areas, and the two areas take a connecting symmetrical line of the high-altitude truss as an axis; the assembly four area 9 is an arc area and is connected with the pre-assembly area 5; the pre-assembly area 5 is connected with the top of the built building body through a frame column 11 and a truss connecting column 12; the pre-assembly area 5 corresponding to the built building body is in a splayed shape.
With reference to fig. 1 to 16, a construction method of a large-span high-altitude ring type truss lifting and mounting structure is further described, which specifically comprises the following steps:
firstly, constructing splayed buildings on two sides and buildings at large openings of the splayed buildings, constructing a pre-assembly area 5 in advance at the tops of the splayed built buildings, and constructing a fixed supporting lifting frame 3 synchronously along with the construction of the buildings at the large openings; for pre-assembly area 5 to be installed by lifting truss hangers 4, truss hangers 4 comprise truck cranes and crawler cranes. The hoisting area 16 covers the installation range of each area of the space truss.
Assembling trusses on the top surface of the built building body to form a pre-assembly area 5, wherein during assembly operation, the distance between the upright columns of the assembly jig frame is set corresponding to the column distance of the built building body and is arranged at the position of a floor beam or column; a scaffold used when concrete is poured into the lower built building body is reserved, and the scaffold is used as a lower support; wherein the bottom of the scaffold is reserved to the top surface of the foundation, and if the bottom is not reached, local reinforcement is carried out.
Step two, assembling a first assembling area 6, a second assembling area 7, a third assembling area 8 and a fourth assembling area 9 on the top surface of the building body at the large opening to form a total assembling area 10, after assembling construction is completed on the elevation floor right below the mounting position of the total assembling area 10, arranging a fixed supporting lifting frame 3 and a temporary lifting point, and lifting, mounting and constructing the building in place by adopting a hydraulic synchronous lifting method; the fixed support hoisting frame 3 is installed through a truck-mounted crane and a crawler crane, and is temporarily fixed with the pre-assembly area 5 through a fixed support connecting rod 34 of the fixed support hoisting frame 3.
In the embodiment, the first assembling area 6, the second assembling area 7 and the third assembling area 8 all comprise two areas, and the two areas take a connecting symmetrical line of the high-altitude truss as an axis; the four assembling areas 9 are arc-shaped areas connected with the pre-assembling area 5; the pre-assembly area 5 is connected with the top of the built building body through a frame column 11 and a truss connecting column 12; the pre-assembly area 5 corresponding to the built building body is in a splayed shape.
In this embodiment, it has fixed support hoisting frame 3 to assemble four 9 pitch arc middle parts temporary connection in district, fixed support hoisting frame 3 contains two sets of solid support stands 31 of roof beam parallel arrangement, connects in and props the antithetical couplet roof beam 32 admittedly of propping at stand 31 top, connects in and props the solid extension arm 33 and connect in and prop extension arm 33 admittedly and assemble the solid connecting rod 34 that props between the district 5 in advance admittedly in the solid support of stand 31 top one side admittedly.
In the embodiment, the fixed support connecting rod 34 is connected with the top of the pre-assembly area 5 in a claw shape; two of the fixed support upright columns 31 are arranged in a group along the radial direction of the ring center area 1 and penetrate out of the four assembling areas 9, and the two groups of the fixed support upright columns 31 are correspondingly arranged along the ring direction of the ring center area 1; reinforcing tie bars can be disassembled between each group of the fixed supporting upright columns 31 and the middle lower parts of the two groups of the fixed supporting upright columns 31.
In this embodiment, the middle and lower parts of the two groups of supporting columns 31 are further connected with a supporting structure 15, the supporting structure 15 comprises supporting columns 151, supporting beams 152 and supporting walls 153, the supporting beams 152 are distributed in a grid manner, and the supporting columns 31 penetrate through the grids and are connected through connecting pieces; the supporting columns 151, the supporting beams 152 and the supporting walls 153 are main beam bodies, columns and wall bodies of a lower built building body.
In this embodiment, the fixed support upright column 31 is made of a standard knot, the cross section of the standard knot is square, and sliding rails are arranged around the square standard knot; a truss frame formed by the corresponding assembly general area 10 is connected with a standard joint in a penetrating way, and a detachable pulley is correspondingly arranged on the assembly general area 10, wherein the pulley comprises a braking system, and a remote control system is combined with a control system of the fixed support lifting frame 3; the slide rail concatenation forms, is provided with the breach at trial hoisting point and final mounting point at least, and the breach corresponds grafting bearing board, and the breach is filled through facing the picture peg when operation.
In the embodiment, a steel structure conversion platform is arranged at the bottom of the fixed support lifting frame 3 to transmit column base reaction force to a concrete foundation and is connected with the floor of a built building body, two reinforcing tie bars are arranged in the middle of the fixed support lifting frame 3, and a fixed support coupling beam 32 and a fixed support extension arm 33 are arranged at the top of the fixed support lifting frame; a steel crawling ladder and an operation platform are also arranged in the fixed supporting lifting frame 3; the first reinforcing tie bar is installed and disassembled by adopting a crawler crane, the second reinforcing tie bar is lifted up along with the truss, and the first reinforcing tie bar is further positioned by a chain block and then is connected by a bolt; the fixed support lifting frame 3 is segmented and installed in the sequence that the heaviest component of the fixed support lifting frame 3 is the uppermost segment, and when the worst working condition is unloading and dismantling, the fixed support lifting frame 3 is installed through a crawler crane.
Step three, the assembly general area 10 is hoisted by adopting an integral hoisting process, partial structures at the position of a support are preassembled in place, a hoisting unit is prefabricated and segmented before hoisting, and after hoisting in place, segments and other post-installed rod pieces are installed at high altitude; wherein the mounting sequence of the embedding section is carried out from top to bottom, and the truss bends the diagonal member and then bends the web member.
Fourthly, according to the structural arrangement of the assembly general area 10 and the result of the working condition calculation, the hoisting points are arranged around the ring center area 1 at intervals and are arranged near the frame columns 11; a hydraulic synchronous system is adopted to lift, lift and assemble the general area 10, and a lifting upper lifting point and a lifting lower lifting point are correspondingly arranged; the lifting device 13 is arranged on a lifting upper lifting point, namely a lifting platform, the lifting device 13 is connected with a corresponding lower lifting point of a lifting rod piece through a hydraulic lifting system, and for the design of the guide frame, in the lifting or descending process of the hydraulic lifter, the top of the hydraulic lifter must be reserved with the grown steel strands 132, and if the reserved steel strands 132 are too many, the operation of the steel strands 132 and the locking and opening of the anchor and the upper anchor of the hydraulic lifter in the lifting or descending process have great influence. Therefore, each hydraulic lifter must be provided with a guide frame in advance, so that the guide frame can lead out the excessive steel strands 132 conveniently and smoothly. The excess steel strands 132 are free to be pulled back and down along the lift platform.
In this embodiment, a truss hanger 4 is further provided, the truss hanger 4 is connected to the outer side of the high-altitude truss connection body, the truss hanger 4 is at least provided with two truss hangers 4 and is symmetrically arranged about the high-altitude truss connection body axis about the truss hanger 4, the truss hanger 4 is connected with the pre-assembly area 5 through a hanger 13, and the hanger 13 comprises a hanger connection head 131, a steel strand 132 connected below the hanger connection head 131, a hanger connection plate 133 connected to the bottom of the steel strand 132, and a hanger reinforcement plate 134 connected between one side of the hanger connection plate 133 and the steel strand 132; the hanging connecting plate 133 is H-shaped, wherein the top surface of the transverse part is connected with the bottom of the steel strand 132, and the bottom of the opening is connected with the steel strand 132 to be treated; the hanging joint 131 is connected with the top of the cantilever joint 14.
In this embodiment, the cantilever connecting frame 14 includes a cantilever connecting rod 141, a cantilever connecting rod 142, a cantilever diagonal brace 143, a cantilever diagonal connecting rod 144, and a cantilever diagonal connecting rod 145; the cantilever connecting rod 141 is vertically connected to the upper part of the truss longitudinal rod of the pre-assembly area 5, the cantilever connecting suspension rod 142 is vertically connected to the top of the cantilever connecting rod 141 near one side of the truss hanger 4, the cantilever diagonal brace 143 is connected between the cantilever connecting rod 141 and the cantilever connecting suspension rod 142, the cantilever diagonal connecting one rod 144 is connected between the cantilever connecting rod 141 and the truss longitudinal rod, and the cantilever diagonal connecting two rods 145 are connected between the cantilever connecting suspension rod 142 and the truss longitudinal rod.
Step five, mounting hanging connecting plates 133 and steel strands 132 between lifting points during lifting; starting trial lifting, and loading step by step according to the sequence of 20%, 40%, 60%, 70%, 80%, 90%, 95% and 100% of the designed load until the assembly total area 10 is separated from the assembly platform; and after the lowest point of the assembling total area 10 is separated from the jig frame by about 100mm, the lifting is suspended.
Fine-adjusting the elevation of each lifting point of the assembly total area 10 to enable the elevation to be in a design posture, measuring and recording the maximum mid-span deformation of the assembly total area 10, and standing for 2-24 hours; checking whether the assembling total area 10 and the hydraulic synchronous lifting temporary measures are abnormal or not again, and comparing the measured data with the data when the vehicle is lifted off the ground; after confirming that no abnormal condition exists, starting formal lifting;
seventhly, in the lifting process, height fine adjustment is needed due to air attitude adjustment, post-installed rod pieces and the like; before the fine adjustment is started, the automatic mode of the computer synchronous control system is switched into a manual mode; according to design requirements, synchronous micro-motion ascending or descending is carried out on the hydraulic lifters of each lifting point in the whole hydraulic lifting system, or micro-motion adjustment is carried out on a single hydraulic lifter; the micro-motion, namely inching, adjustment precision can reach millimeter level, and the precision requirement of structural installation is met.
Step eight, when the whole assembly total area 10 is lifted to about 1000mm from the designed elevation, the lifting is suspended; measuring the actual elevation of each lifting point, comparing the actual elevation with the designed elevation, and making a record as a basis for continuous lifting; the speed of hydraulic synchronous lifting is reduced, and the functions of fine adjustment and inching of a hydraulic synchronous lifting computer control system are utilized to enable each lifting point to slowly reach the designed elevation in sequence, so that the installation requirement is met; mounting and then assembling the rod piece to form a complete stress system; the hydraulic synchronous lifting system unloads the steel strands in a grading manner according to the sequence of 95%, 90%, 80%, 70%, 60%, 50%, 40%, 30% and 20% until the steel strands 132 are loosened and the loads of the connected structure are completely transferred to the supporting columns 151; dismantling the hydraulic lifting system, temporary measures and the like.
And resetting the displacement sensor by taking the height of each adjusted lifting point as a new initial position, and keeping the posture until the height is close to the designed elevation in the integral lifting process.
Step nine, the high-altitude truss connecting body is of a box-shaped cross section and extends a span into the built building body; the built building body is connected with a frame column 11 connected with the high-altitude truss integrated body, wherein the frame column 11 is a steel reinforced concrete column, and the pre-assembly area 5 is connected with the frame column 11 through a truss connecting column 12 to form the integral high-altitude truss integrated body.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.

Claims (10)

1. A large-scale ring type truss hoisting structure in large-span high altitude is characterized by comprising two pre-assembly areas (5), an assembly first area (6), an assembly second area (7), an assembly third area (8), an assembly fourth area (9), a fixed support hoisting frame (3) temporarily connected to the middle of an arc line of the assembly fourth area (9) and truss hangers (4) arranged on the outer side of the assembly fourth area (9), wherein the truss hangers (4) are connected to the outer side of an aerial truss connection body (2), at least two truss hangers (4) are arranged and are axially symmetrically arranged about the truss hangers (4) with respect to the aerial truss connection body (2);
the pre-assembly area (5), the first assembly area (6), the second assembly area (7), the third assembly area (8) and the fourth assembly area (9) surround to form an air truss connection body (2), and the two pre-assembly areas (5) are connected to the top of the constructed structure;
the two pre-assembly areas (5) are splayed, the assembly first area (6) is connected to one side of a splayed small opening of the two pre-assembly areas (5), the assembly third area (8) is arc-shaped and is connected to one side of a large opening of the two pre-assembly areas (5), and the assembly second area (7) is connected between the assembly first area (6) and the assembly second area (7); the inner sides of the first splicing area (6), the second splicing area (7) and the third splicing area (8) form a ring center area (1); the four assembling areas (9) are connected to one side of the large opening of the two pre-assembling areas (5) in an arc shape and are positioned outside the three assembling areas (8).
2. The large-scale ring type truss hoisting structure in large-scale high altitude of a large-span according to claim 1, characterized in that, said pre-assembly area (5), assembly one area (6), assembly two area (7), assembly three area (8) and assembly four area (9) surround to form the aerial truss disjunctor (2), two pre-assembly areas (5) are connected to the top of the constructed structure; the first assembling area (6), the third assembling area (8) and the fourth assembling area (9) are all long-span truss bodies, and the top height of the fourth assembling area (9) is smaller than that of the third assembling area (8) and is assembled in a step mode.
3. The large-scale ring type truss hoisting structure in large-scale high altitude of a large-span of claim 1, characterized by that, said assemble one area (6), assemble two areas (7) and assemble three areas (8) all contain two areas, two areas are the axis about the symmetrical line of the truss disjunctor in the sky (2); the four assembling areas (9) are arc-shaped areas and are connected with the pre-assembling area (5); the pre-assembly area (5) is connected with the top of the built building body through a frame column (11) and a truss connecting column (12); the pre-assembled area (5) corresponding to the built building body is in a splayed shape.
4. The large-scale ring type truss hoisting structure of a large-scale long-span high altitude of claim 1, characterized in that, assemble the truss and form the pre-assembly area (5) on the top surface of the building body already, assemble the column pitch of the bed jig column to correspond to the frame column (11) of the building body already and set up in the position of the floor beam or column; when the concrete is poured into the built building body, the scaffold is used as a lower support, wherein the bottom of the scaffold is reserved to the top surface of the foundation, and the bottom of the scaffold is not locally reinforced.
5. The large-scale ring-type truss hoisting structure in large-span high altitude according to claim 1, characterized in that the fixed supporting hoisting frame (3) comprises two groups of fixed supporting columns (31) arranged in parallel, fixed supporting coupling beams (32) connected to the tops of the fixed supporting columns (31), fixed supporting extension arms (33) connected to one side of the tops of the fixed supporting columns (31), and fixed supporting connecting rods (34) connected between the fixed supporting extension arms (33) and the pre-assembly area (5).
6. The large-scale ring type truss hoisting structure at high altitude of a large-scale of a large-span according to claim 5, characterized by that, the said firm brace rod (34) is connected with the top of the pre-assembly area (5) in the form of "claw"; two of the fixed supporting upright columns (31) are arranged in a group along the radial direction of the ring center area (1) and penetrate out of the four assembling areas (9), and the two groups of the fixed supporting upright columns (31) are correspondingly arranged along the ring direction of the ring center area (1); reinforcing tie bars can be disassembled between each group of the fixed supporting upright columns (31) and the middle lower parts of the two groups of the fixed supporting upright columns (31).
7. The large-scale ring type truss hoisting structure in large-scale of a large-span high altitude according to claim 6, characterized in that the middle and lower part of two groups of supporting columns (31) are connected with a supporting structure (15), the supporting structure (15) comprises supporting columns (151), supporting beams (152) and supporting walls (153), the supporting beams (152) are distributed in a grid form, and the supporting columns (31) are connected in the grid in a penetrating way and connected through connecting pieces; the supporting columns (151), the supporting beams (152) and the supporting walls (153) are main body beams, columns and walls of a building body built on the lower portion.
8. The large-scale ring type truss hoisting structure in large-scale of a large-span high altitude of claim 1, characterized by that, the fixed support hoisting frame (3) bottom has steel structure conversion platforms to transmit the reaction force of the column foot to the concrete foundation, link with floor of the building already built, set up two and strengthen the tie rod in the middle of the fixed support hoisting frame (3), the top sets up and supports the coupling beam (32) and supports the extension arm (33) firmly; the fixed supporting hoisting frame (3) is internally provided with a steel ladder stand and an operating platform.
9. The large-scale ring type truss hoisting structure in large-scale high altitude of a large-span of claim 1, characterized by, the truss hanger (4) is connected with the pre-assembly area (5) through the hanger (13), the hanger (13) includes hanging the tie (131), connect to hanging the steel strand wires (132) under the tie (131), connect to hanging the tie plate (133) and connecting to hanging the tie plate (133) one side and steel strand wires (132) between the piece and hanging the reinforcing plate (134); the hanging connecting plate (133) is H-shaped, wherein the top surface of the transverse part is connected with the bottom of the steel strand (132), and the bottom of the opening is connected with a piece to be stranded (132); the hanging connecting head (131) is connected with the top of the cantilever connecting frame (14).
10. The large-scale ring type truss hoisting structure in large-scale high altitude of claim 9, characterized in that the cantilever connecting frame (14) comprises a cantilever connecting rod (141), a cantilever connecting suspension rod (142), a cantilever diagonal brace rod (143), a cantilever diagonal connecting rod (144) and a cantilever diagonal connecting rod (145); the cantilever connecting rod (141) is vertically connected to the upper portion of a truss longitudinal rod of the pre-assembly area (5), the cantilever connecting rod (142) is vertically connected to one side, close to the truss hanging bracket (4), of the top of the cantilever connecting rod (141), a cantilever inclined supporting rod (143) connected between the cantilever connecting rod (141) and the cantilever connecting rod (142), a cantilever inclined connecting rod (144) connected between the cantilever connecting rod (141) and the truss longitudinal rod, and a cantilever inclined connecting rod (145) connected between the cantilever connecting rod (142) and the truss longitudinal rod.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116556521A (en) * 2023-07-11 2023-08-08 北京建工四建工程建设有限公司 Construction method of limit high-span ratio steel structure collaborative stress deformation-resistant floor structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116556521A (en) * 2023-07-11 2023-08-08 北京建工四建工程建设有限公司 Construction method of limit high-span ratio steel structure collaborative stress deformation-resistant floor structure
CN116556521B (en) * 2023-07-11 2023-09-22 北京建工四建工程建设有限公司 Construction method of limit high-span ratio steel structure collaborative stress deformation-resistant floor structure

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