CN113756592A - Lifting system of truss roof when height of upper lifting point is limited and construction method thereof - Google Patents
Lifting system of truss roof when height of upper lifting point is limited and construction method thereof Download PDFInfo
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- CN113756592A CN113756592A CN202111159390.3A CN202111159390A CN113756592A CN 113756592 A CN113756592 A CN 113756592A CN 202111159390 A CN202111159390 A CN 202111159390A CN 113756592 A CN113756592 A CN 113756592A
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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
- E04G21/162—Handles to carry construction blocks
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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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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a lifting system of a truss roof when the height of an upper lifting point is limited and a construction method thereof. According to the invention, the installation of the truss roof is realized by lifting the assembling jig frame, and the lifting points are transferred to the outside of the vertical projection range of the truss roof by the lifting point conversion equipment, so that the problem that the truss roof cannot be directly lifted by the lifting equipment is solved, the problem of position conflict between the lifting platform and the truss roof is solved, and the lifting stroke of the truss roof is increased.
Description
Technical Field
The invention relates to the technical field of integral hoisting construction of steel structure roof, in particular to a lifting system of a truss roof when the height of an upper hoisting point is limited and a construction method thereof.
Background
With the continuous development of national economy and society, large steel structure buildings are gradually increased, and the span of the high-altitude long-span truss roof structure is larger and larger. However, the bearing capacity of part of the truss roof is limited due to the limitation of self materials and structural forms, the truss roof cannot be directly lifted through lifting equipment, and when the height of a main building layer at the periphery of a site is limited, the distance between the highest setting position which can be reached by an upper lifting point and the designed elevation of the truss roof cannot meet the lifting requirement.
Disclosure of Invention
The invention aims to provide a lifting system of a truss roof when the height of an upper lifting point is limited and a construction method thereof, so as to solve the technical problems in the background technology.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a lift system of truss roof when going up hoisting point height limited, includes truss roof and the bed-jig of assembling of setting in truss roof below, it evenly lays and forms a whole along truss roof edge and inside to assemble the bed-jig, and its top links to each other with truss roof is fixed, and its periphery has laid a plurality of hoisting point conversion equipment according to the design position, correspond directly over the hoisting point conversion equipment and be provided with lift platform, lift platform fixed mounting is on the supporting pillar of truss roof side main part building, links to each other through hydraulic pressure synchronous lifting equipment between its and the hoisting point conversion equipment, and its edge of keeping away from supporting pillar one side lies in the truss roof and assembles the vertical projection scope of bed-jig outward flange outside.
Preferably, hoisting point conversion equipment includes the attached frame of vertical setting, attached frame one side middle part fixed mounting has the outside anchor frame that extends of level, and anchor frame middle part has seted up the mounting hole, and its opposite side top bottom both ends correspond be fixed with assemble the connection otic placode that the bed-jig links to each other.
Preferably, the promotion platform includes the pole setting that increases of vertical setting, it has the supporting beam of the synchronous lifting means of installation hydraulic pressure to increase the pole setting top in the one side vertical fixation who keeps away from the supporting column, and middle part and bottom have the connecting beam in the one side vertical fixation who is close to the supporting column, connecting beam passes through arc staple bolt fixed mounting on the supporting column, and two arc staple bolts correspond the cover and establish supporting column both sides and even as an organic whole through high strength bolt.
Preferably, the hydraulic synchronous lifting equipment comprises a hydraulic lifter installed on the lifting platform, the hydraulic lifter is vertically arranged, a lifting steel cable inside the hydraulic lifter sequentially penetrates through the lifting platform and the lifting point conversion equipment from top to bottom at the upper lifting point and the lower lifting point, and the lifting steel cable and the lifting point conversion equipment are connected into a whole through a steel cable anchorage.
Preferably, the assembling jig frame is formed by assembling Bailey sheets.
Preferably, the connecting lug plate is provided with a single lug and two lugs according to different connecting nodes of the assembling jig frame.
Preferably, the attachment frame comprises three I-steel vertical rods arranged at intervals, web plates of the three I-steel vertical rods are respectively connected with each other at three positions, namely the upper part, the middle part and the lower part, through three square steel cross beams, the upper ends and the lower ends of the two I-steel vertical rods at the outer sides and the middle position of the I-steel vertical rod arranged at the middle part are respectively fixed with a reinforcing square tube arranged obliquely, and the four reinforcing square tubes form an X-shaped structure in the attachment frame; the anchoring frame comprises three I-steel cross beams vertically welded at the middle parts of wing plates of three I-steel vertical rods, the tail end webs of the I-steel cross beams are connected through a U-shaped steel frame with an upward opening, the U-shaped steel frame is formed by welding three steel plates, a mounting hole is formed in the middle of a bottom transverse plate, a reinforcing square steel is fixedly welded at an outer side vertical plate, and two ends of the reinforcing square steel are respectively fixedly welded on webs of the I-steel cross beams at two sides.
Preferably, stiffening rib plates are welded at the connecting positions of the attachment frame and the anchoring frame.
Preferably, the two arc-shaped anchor ears are welded and fixed with stiffening plates at the butt joint position and the connecting position of the arc-shaped anchor ears and the connecting beam.
In addition, the invention also provides a construction method of the lifting system of the truss roof when the height of the upper lifting point is limited, which comprises the following steps:
step one, erecting an assembling jig frame, erecting the assembling jig frame on the ground or the top of a finished floor plate surface according to a paying-off position, and providing an operating platform and a lifting support for assembling and lifting a subsequent truss roof;
step two, mounting lifting point conversion equipment, connecting the lifting point conversion equipment and the assembling jig frame into a whole at the designed lifting point position, and ensuring that a lower lifting point of the lifting point conversion equipment is positioned outside the vertical projection range of the outer edge of the assembling jig frame;
mounting a lifting platform, mounting the lifting platform on a supporting upright post of the main body structure beside the assembled jig frame, and vertically aligning the position of an upper lifting point of the lifting platform with the position of a lower lifting point of the corresponding lifting point replacing equipment;
assembling the truss roof, completing the assembling work of the whole truss roof above the assembling jig frame, and connecting and fixing the truss roof and the assembling jig frame;
installing hydraulic synchronous lifting equipment, installing a hydraulic lifter at a lifting point on a lifting platform, and installing a lifting steel rope of the hydraulic lifter on the lifting point conversion equipment through a steel rope anchorage;
lifting the truss roof, integrally lifting the truss roof and the assembling jig frame in place through hydraulic synchronous lifting equipment, and temporarily connecting and fixing the truss roof and a supporting upright post of the side main body structure through a limiting steel wire rope;
step seven, installing a supporting structure, installing the supporting structure below the truss roof, connecting and fixing the truss roof and the supporting structure, and removing the limiting steel wire rope after the connection and the fixation;
step eight, dismantling the assembled jig frame in blocks through hydraulic synchronous lifting equipment, and putting the assembled jig frame to the ground or the top of the finished floor slab surface;
and step nine, dismantling the lifting platform, after the assembly jig frame is dismantled, dismantling the hydraulic synchronous lifting equipment and the lifting platform in sequence, and withdrawing all the components out of the construction site.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the assembling jig frame is erected below the truss roof, the assembling jig frame is fixedly connected with the truss roof, and the truss roof is installed by lifting the assembling jig frame, so that the problems that the truss roof has limited bearing capacity and cannot be directly lifted by lifting equipment are solved;
2. according to the invention, the lifting point conversion equipment is arranged on the outer side of the assembling jig frame, and the lifting point is transferred to the outside of the vertical projection range of the outer edges of the truss roof and the assembling jig frame, so that the problem of position conflict between the lifting platform and the truss roof is solved, the lifting stroke of the truss roof is increased through the lifting point conversion equipment, the assembling jig frame and the height increasing vertical rod of the lifting platform, and the problem that the distance between the highest setting position which can be reached by the upper lifting point and the designed elevation of the truss roof cannot meet the lifting requirement when the height of the peripheral main building is limited is solved.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the invention, and in which:
FIG. 1 is a floor plan of a truss roof hoist system with limited upper suspension point heights in accordance with the present invention;
FIG. 2 is a schematic structural view of the truss roof of the present invention in a raised condition;
FIG. 3 is a schematic structural view of the truss roof of the present invention in a raised in position;
FIG. 4 is a first schematic structural diagram of the hoisting point switching apparatus of the present invention;
FIG. 5 is a second schematic structural view of the hoisting point switching apparatus of the present invention;
FIG. 6 is a third schematic structural view of the hoisting point switching apparatus of the present invention;
FIG. 7 is an enlarged view of part A of FIG. 3;
fig. 8 is a schematic structural view of the arc-shaped hoop of the lifting platform of the present invention.
Reference numerals: 1-supporting upright posts, 2-lifting platforms, 201-heightening upright posts, 202-supporting cross beams, 203-connecting cross beams, 204-arc anchor ears, 205-high-strength bolts, 206-stiffening plates, 3-hydraulic lifters, 4-lifting steel cables, 5-lifting point conversion equipment, 501-attachment frames, 502-anchoring frames, 503-connecting ear plates, 504-stiffening rib plates, 6-steel cable anchors, 7-truss roofs and 8-splicing bed-builds.
Detailed Description
Hereinafter, an embodiment of a lifting system of a truss roof and a construction method thereof when the height of an upper suspension point is limited according to the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "inner", "outer", "horizontal", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention. Preferred embodiments of the present invention are described in further detail below with reference to FIGS. 1-8:
as shown in fig. 1-3, a preferred lifting system for a truss roof with a limited height of an upper lifting point of the invention comprises a truss roof 7 and a splicing jig 8 which is arranged below the truss roof 7 and is formed by splicing a plurality of bailey pieces, the assembly jig frames 8 are uniformly distributed along the edge and the inside of the truss roof 7 to form a whole, the top end of the lifting device is fixedly connected with a truss roof 7, a plurality of lifting point conversion devices 5 are distributed on the periphery of the lifting device according to the designed positions, a lifting platform 2 is correspondingly arranged right above the lifting point conversion equipment 5, the lifting platform 2 is fixedly arranged on a supporting upright post 1 of a main building beside a truss roof 7, the lifting point conversion device is connected with the lifting point conversion device 5 through hydraulic synchronous lifting equipment, and the edge of one side of the lifting point conversion device, which is far away from the supporting upright post 1, is positioned outside the vertical projection range of the outer edges of the truss roof 7 and the assembling jig frame 8;
as shown in fig. 4-6, the hoisting point conversion device 5 includes an attachment frame 501 vertically arranged, an anchoring frame 502 horizontally extending outward is fixedly installed in the middle of one side of the attachment frame 501, and a connecting lug plate 503 connected with the assembling jig frame 8 is correspondingly fixed at two ends of the top and bottom of the other side of the attachment frame 501, the attachment frame 501 includes three h-shaped steel upright rods arranged at intervals, web plates of the three h-shaped steel upright rods are respectively connected with the upper, middle and lower three positions through three square steel cross beams, reinforcing square tubes obliquely arranged are fixed at the upper and lower ends of the two outer h-shaped steel upright rods and the middle position of the h-shaped steel upright rod arranged in the middle, and the four reinforcing square tubes form an X-shaped structure inside the attachment frame 501; the anchoring frame 502 comprises three I-steel cross beams vertically welded in the middles of wing plates of three I-steel vertical rods, web plates at the tail ends of the I-steel cross beams are connected through a U-shaped steel frame with an upward opening, the U-shaped steel frame is formed by welding three steel plates, a mounting hole is formed in the middle of a transverse plate at the bottom end of the U-shaped steel frame, a reinforcing square steel is fixedly welded at an outer vertical plate of the U-shaped steel, two ends of the reinforcing square steel are fixedly welded on web plates of the I-steel cross beams at two sides respectively, in order to enhance the structural strength of each connecting node, stiffening rib plates 504 are welded at the connecting positions of each component of the attachment frame 501 and the anchoring frame 502, and a connecting lug plate 503 is provided with a single lug and a double lug according to the difference of the connecting node of the Bailey frame;
as shown in fig. 7-8, the lifting platform 2 includes a vertically arranged height-increasing upright rod 201, a supporting beam 202 for installing hydraulic synchronous lifting equipment is vertically fixed at one side of the top end of the height-increasing upright rod 201 far away from the supporting upright column 1, a connecting beam 203 is vertically fixed at one side of the middle part and the bottom part close to the supporting upright column 1, the connecting beam 203 is fixedly installed on the supporting upright column 1 through an arc-shaped hoop 204, two arc-shaped hoops 204 are correspondingly sleeved at two sides of the supporting upright column 1 and are connected into a whole through a high-strength bolt 205, and stiffening plates 206 are fixedly welded at the butt joint position of the two arc-shaped hoops 204 and the connecting position of the arc-shaped hoop 204 and the connecting beam 203;
the hydraulic synchronous lifting equipment comprises a hydraulic lifter 3 arranged on a lifting platform 2, the hydraulic lifter 3 is vertically arranged, a lifting steel cable 4 inside the hydraulic lifter penetrates through the lifting platform 2 and the lifting point conversion equipment 5 from top to bottom at an upper lifting point and a lower lifting point in sequence, and the lifting steel cable 4 and the lifting point conversion equipment 5 are connected into a whole through a steel cable anchorage 6.
The invention relates to a construction method of a lifting system of a truss roof when the height of an upper lifting point is limited, which specifically comprises the following steps:
step one, erecting an assembling jig frame 8, erecting the assembling jig frame 8 on the ground or the top of the finished floor plate surface according to a paying-off position, and providing an operation platform and a lifting support for the subsequent assembling and lifting of the truss roof 7;
step two, installing lifting point conversion equipment 5, connecting the lifting point conversion equipment 5 and the assembling jig frame 8 into a whole at the designed lifting point position, and ensuring that the lower lifting point of the lifting point conversion equipment 5 is positioned outside the vertical projection range of the outer edge of the assembling jig frame 8;
step three, installing a lifting platform 2, installing the lifting platform 2 on a supporting upright post 1 of a main body structure beside the assembling jig frame 8, and vertically aligning the position of an upper lifting point of the lifting platform 2 with the position of a lower lifting point of the corresponding lifting point replacing equipment 5;
assembling the truss roof 7, completing the assembling work of the whole truss roof 7 above the assembling jig frame 8, and connecting and fixing the truss roof 7 and the assembling jig frame 8;
installing hydraulic synchronous lifting equipment, installing a hydraulic lifter 3 at a lifting point on the lifting platform 2, and installing a lifting steel cable 4 of the hydraulic lifter 3 on lifting point conversion equipment 5 through a steel cable anchorage 6;
lifting the truss roof 7, integrally lifting the truss roof 7 and the assembling jig frame 8 in place through hydraulic synchronous lifting equipment, and temporarily connecting and fixing the truss roof 7 and the supporting upright columns 1 of the side main body structure through limiting steel wire ropes;
step seven, installing a supporting structure, installing the supporting structure below the truss roof 7, connecting and fixing the truss roof 7 and the supporting structure, and removing the limiting steel wire rope after the connection and the fixation;
step eight, dismantling the assembly jig frame 8 in blocks through hydraulic synchronous lifting equipment, and putting the assembly jig frame 8 to the ground or the top of the finished floor slab surface;
and step nine, dismantling the lifting platform 2, after the assembly jig frame 8 is dismantled, dismantling the hydraulic synchronous lifting equipment and the lifting platform 2 in sequence, and withdrawing all the components out of the construction site.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a truss roof's hoist system when going up hoisting point height limited which characterized in that: including truss roof (7) and assembly bed-jig (8) of setting in truss roof (7) below, it evenly lays and forms a whole along truss roof (7) edge and inside to assemble bed-jig (8), and its top links to each other with truss roof (7) is fixed, and its periphery has laid a plurality of hoisting point converting equipment (5) according to the design position, it is provided with lift platform (2) to correspond directly over hoisting point converting equipment (5), lift platform (2) fixed mounting is on support post (1) of truss roof (7) side main part building, and it links to each other through hydraulic pressure synchronous lifting equipment between its and the hoisting point converting equipment (5), and its edge of keeping away from support post (1) one side is located truss roof (7) and assembles outside the vertical projection scope of bed-jig (8) outward flange.
2. A lifting system for a truss roof with limited upper suspension point height as defined in claim 1 wherein: hoisting point conversion equipment (5) are including attaching frame (501) of vertical setting, it has outside anchor frame (502) that the level extends to attach frame (501) one side middle part fixed mounting, and anchor frame (502) middle part has seted up the mounting hole, and its opposite side top bottom both ends correspond and are fixed with and assemble connection otic placode (503) that bed-jig (8) link to each other.
3. A lifting system for a truss roof with limited upper suspension point height as defined in claim 1 wherein: promote platform (2) including vertical setting increase pole setting (201), it has supporting beam (202) of the synchronous lifting means of installation hydraulic pressure to increase pole setting (201) top in one side vertical fixation who keeps away from supporting column (1), and middle part and bottom have connecting beam (203) in one side vertical fixation who is close to supporting column (1), connecting beam (203) through arc staple bolt (204) fixed mounting on supporting column (1), two arc staple bolts (204) correspond the cover and establish supporting column (1) both sides and link as an organic whole through high strength bolt (205).
4. A lifting system for a truss roof with limited upper suspension point height as defined in claim 1 wherein: the hydraulic synchronous lifting equipment comprises a hydraulic lifter (3) installed on a lifting platform (2), wherein the hydraulic lifter (3) is vertically arranged, a lifting steel cable (4) inside the hydraulic synchronous lifting equipment sequentially penetrates through the lifting platform (2) and the lifting point conversion equipment (5) at an upper lifting point and a lower lifting point from top to bottom, and the lifting steel cable (4) and the lifting point conversion equipment (5) are connected into a whole through a steel cable anchorage device (6).
5. A lifting system for a truss roof with limited upper suspension point height as defined in claim 1 wherein: the assembly jig frame (8) is formed by assembling Bailey sheets.
6. A lifting system for a truss roof with limited upper suspension point height as defined in claim 2 wherein: the connecting lug plates (503) are provided with a single lug and a double lug according to different connecting nodes of the assembling jig frame (8).
7. A lifting system for a truss roof with limited upper suspension point height as defined in claim 2 wherein: the attachment frame (501) comprises three I-steel vertical rods arranged at intervals, web plates of the three I-steel vertical rods are connected with each other at three positions, namely the upper part, the middle part and the lower part, through three square steel cross beams, reinforcing square tubes arranged obliquely are fixed at the upper ends and the lower ends of the two outer I-steel vertical rods and the middle position of the I-steel vertical rod arranged in the middle, and the four reinforcing square tubes form an X-shaped structure in the attachment frame (501); the anchoring frame (502) comprises three I-steel cross beams vertically welded at the middle parts of wing plates of three I-steel vertical rods, the tail end webs of the I-steel cross beams are connected through a U-shaped steel frame with an upward opening, the U-shaped steel frame is formed by welding three steel plates, a mounting hole is formed in the middle of a transverse plate at the bottom end of the U-shaped steel frame, a reinforcing square steel is fixedly welded at an outer side vertical plate of the U-shaped steel frame, and two ends of the reinforcing square steel are respectively fixedly welded on webs of the I-steel cross beams at two sides.
8. A lifting system for a truss roof with limited upper suspension point height as defined in claim 7 wherein: stiffening rib plates (504) are welded at the connecting positions of the components of the attaching frame (501) and the anchoring frame (502).
9. A lifting system for a truss roof with limited upper suspension point height as defined in claim 3 wherein: and stiffening plates (206) are welded and fixed at the butt joint position of the two arc-shaped anchor ears (204) and the connecting position of the arc-shaped anchor ears (204) and the connecting cross beam (203).
10. A method of constructing a lifting system for a truss roof having a limited height of upper suspension points as claimed in any one of claims 1 to 9, comprising the steps of:
step one, erecting an assembling jig frame (8), erecting the assembling jig frame (8) on the ground or the top of a finished floor plate surface according to a paying-off position, and providing an operating platform and a lifting support for the subsequent assembling and lifting of a truss roof (7);
step two, installing lifting point conversion equipment (5), connecting the lifting point conversion equipment (5) and the assembling jig frame (8) into a whole at the designed lifting point position, and ensuring that a lower lifting point of the lifting point conversion equipment (5) is positioned outside the vertical projection range of the outer edge of the assembling jig frame (8);
mounting a lifting platform (2), mounting the lifting platform (2) on a supporting upright post (1) of a main body structure beside the assembly jig frame (8), and vertically aligning the position of an upper lifting point of the lifting platform (2) with the position of a lower lifting point of the corresponding lifting point replacing equipment (5);
assembling the truss roof (7), completing the assembling work of the whole truss roof (7) above the assembling jig frame (8), and connecting and fixing the truss roof (7) and the assembling jig frame (8);
installing hydraulic synchronous lifting equipment, installing a hydraulic lifter (3) at a lifting point on the lifting platform (2), and installing a lifting steel cable (4) of the hydraulic lifter (3) on lifting point conversion equipment (5) through a steel cable anchorage device (6);
lifting the truss roof (7), integrally lifting the truss roof (7) and the assembling jig frame (8) in place through hydraulic synchronous lifting equipment, and temporarily connecting and fixing the truss roof (7) and the supporting upright post (1) of the side main body structure through a limiting steel wire rope;
step seven, installing a supporting structure, installing the supporting structure below the truss roof (7), connecting and fixing the truss roof (7) and the supporting structure, and removing the limiting steel wire rope after the connection and the fixation;
step eight, dismantling the assembled jig frame (8) in blocks through hydraulic synchronous lifting equipment, and putting the disassembled jig frame to the ground or the top of the finished floor slab surface;
and step nine, dismantling the lifting platform (2), after the assembly jig frame (8) is dismantled, dismantling the hydraulic synchronous lifting equipment and the lifting platform (2) in sequence, and evacuating all the components to transport out of the construction site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159390.3A CN113756592B (en) | 2021-09-30 | 2021-09-30 | Lifting system of truss roof when height of upper lifting point is limited and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159390.3A CN113756592B (en) | 2021-09-30 | 2021-09-30 | Lifting system of truss roof when height of upper lifting point is limited and construction method thereof |
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| CN113756592A true CN113756592A (en) | 2021-12-07 |
| CN113756592B CN113756592B (en) | 2022-03-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114572885A (en) * | 2022-03-04 | 2022-06-03 | 中建八局第二建设有限公司 | Method for reverse construction of high-altitude multilayer hanging steel structure |
| CN115012575A (en) * | 2022-07-02 | 2022-09-06 | 丁建 | Construction process for lifting hyperbolic square pipe truss roof of railway station house in blocks |
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| CN109610849A (en) * | 2018-12-12 | 2019-04-12 | 中国建筑第四工程局有限公司 | A kind of construction method of large span skybridge truss |
| CN209398933U (en) * | 2018-07-20 | 2019-09-17 | 向俊同 | Pipeline load-bearing connector and bracket |
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| US20030182883A1 (en) * | 2001-05-04 | 2003-10-02 | Won Dae Yon | Prestressed composite truss girder and construction method of the same |
| CN201296902Y (en) * | 2008-11-14 | 2009-08-26 | 中铁十局集团有限公司 | Bearing anchor ear |
| CN107143145A (en) * | 2017-04-19 | 2017-09-08 | 浙江中南建设集团钢结构有限公司 | A kind of steel truss structure segmentation overhead connection and synchronous discharging method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114572885A (en) * | 2022-03-04 | 2022-06-03 | 中建八局第二建设有限公司 | Method for reverse construction of high-altitude multilayer hanging steel structure |
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| CN115012575A (en) * | 2022-07-02 | 2022-09-06 | 丁建 | Construction process for lifting hyperbolic square pipe truss roof of railway station house in blocks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113756592B (en) | 2022-03-15 |
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