CN114427300A - Bucket arch assembling and lifting method - Google Patents
Bucket arch assembling and lifting method Download PDFInfo
- Publication number
- CN114427300A CN114427300A CN202111586082.9A CN202111586082A CN114427300A CN 114427300 A CN114427300 A CN 114427300A CN 202111586082 A CN202111586082 A CN 202111586082A CN 114427300 A CN114427300 A CN 114427300A
- Authority
- CN
- China
- Prior art keywords
- lifting
- bucket arch
- beams
- jig
- bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- 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 bucket arch assembling and lifting method, which comprises the following steps: the specific lifting method comprises the following steps: laying a moulding bed according to the structural modeling and the gravity center of the single component; the lower layer structure is assembled by adopting a jig frame support assembly and a lattice type support; after the lower layer structure is assembled, the upper layer structure is installed by utilizing the jig frame supporting component and the structure; after the structure is assembled, a lifting tool is installed; and then the bucket arches are lifted and assembled through the lifting tool. According to the bucket arch assembling and lifting method, the plan is well planned according to the site construction, the structure needing to be installed is lifted by using the original structure, the problem that the existing construction cannot be normally lifted is well solved, the construction period is ensured to be normally carried out, and a new installation idea is brought to similar engineering.
Description
Technical Field
The invention belongs to the field of steel structure manufacturing, and particularly relates to a bucket arch assembling and lifting method.
Background
With the rapid development of social economy, the living standard and the living quality of people are continuously improved, and the rhythm of people is continuously accelerated in both production and life, as well as the construction industry.
Because the particularity of some structures leads to its condition that can appear unable installation in the work progress, installation promotion frock on grid structure utilizes the original structure to promote the structure that needs the installation, crosses the structure that can't hoist and mount because of the clean height and has brought a great deal of difficulty for the construction, needs to demolish the structure that part has been installed even a bit and just can install, and the serious normal construction that has influenced has prolonged construction period.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide a bucket arch assembling and lifting method, which is well planned according to on-site construction, utilizes an original structure to lift a structure to be installed, well solves the problem that the existing construction cannot be normally lifted, ensures that the construction period can be normally carried out, and brings a new installation idea for similar projects.
The technical scheme is as follows: in order to achieve the purpose, the invention provides a bucket arch assembling and lifting method, which comprises the following steps: the specific lifting method comprises the following steps:
1): laying a moulding bed according to the structural modeling and the gravity center of the single component;
2): the lower layer structure is assembled by adopting a jig frame support assembly and a lattice type support;
3): after the lower layer structure is assembled, the upper layer structure is installed by utilizing the jig frame supporting component and the structure;
4): after the structure is assembled, a lifting tool is installed;
5): and then the bucket arches are lifted and assembled through the lifting tool. According to the bucket arch assembling and lifting method, the plan is well planned according to the site construction, the structure needing to be installed is lifted by using the original structure, the problem that the existing construction cannot be normally lifted is well solved, the construction period is ensured to be normally carried out, and a new installation idea is brought to similar engineering. In the bucket arch assembling and lifting method, in the step 5, the concrete method for assembling and lifting the bucket arch by the lifting tool is as follows: 1): firstly, determining the use specification of an arch lifting tool material and the lifting stress condition for analysis;
2): determining the positions of main stressed components of an original structure and a structure needing to be installed;
3): arranging supporting upright rods and conversion beams on main stress nodes of an original structure, and determining the positions of lifting beams according to gaps between rod pieces;
4): arranging lifting lower anchor tools on a structure to be installed, and determining the position of an oil cylinder on the upper part of a lifting beam according to the distance between the lower anchor tools;
5): carrying out structure lifting after all components are qualified in tailor welding inspection and lifting tools and equipment are qualified in inspection;
6) and after the structure is lifted, the embedded component is connected, and after all the components are welded and inspected to be qualified, the lifting tool is detached.
According to the bucket arch assembling and lifting method disclosed by the invention, in the step 1, the using specification and lifting stress of arch lifting tool materials are analyzed as follows:
1): arranging tooling measures on a constructed lattice type support structure to lift a bucket arch structure below a lattice type support, arranging phi 351x12 steel pipe vertical rods on lattice type support nodes, arranging H800x300 conversion beams above the vertical rods, and determining the positions of the H800x300 double-spliced lifting beams above the conversion beams according to gaps of lattice type support rod pieces;
2): and determining the position of a 200T oil cylinder at the upper part of the lifting beam according to the distance between anchor setting tools connected by the bucket arch structure, wherein 14 steel strands penetrate through the lower part of each oil cylinder.
The specification of the steel strand is as follows: the diameter phi of the steel strand is 15.2mm, the strength is 1860MPa, and the steel strand is 1x7 standard.
The jig frame support assembly comprises a jig frame vertical rod, a jig frame inclined strut and a jig frame template, wherein the jig frame vertical rod is arranged on one side of the lattice type support, one end of the jig frame inclined strut is connected with the lattice type support, the other end of the jig frame inclined strut is connected with the jig frame vertical rod, the jig frame template is arranged at the top of the jig frame vertical rod, and the bucket arch rod piece is arranged on the jig frame template.
The lifting tool comprises a group of conversion beams, a lifting beam, a group of lifting oil cylinders and a lifting lower anchor, wherein the conversion beams are arranged on a lattice type support, two ends of the lifting beam are connected with the conversion beams, the lifting oil cylinders are arranged on the lifting beam, the upper end of the lifting lower anchor is connected with the lifting oil cylinders, and the lower end of the lifting lower anchor is connected with an arch bucket to be lifted.
The invention also comprises a group of supporting columns and a group of upper latticed supports for lifting the upper layer structure, wherein the upper latticed supports are arranged above the supporting columns.
The upper lattice type support frame is used for supporting a group of upper chords, a group of lower chords and a group of inner support frames, the upper chords are arranged horizontally relatively, the lower chords are arranged at the lower parts between the two upper chords and are triangular, a horizontal connecting frame is arranged between the two upper chords, and the inner support frames are arranged between the upper chords and the lower chords.
The bucket arch comprises a middle spacing frame, a group of arc-shaped ring beams are arranged on two sides of the middle spacing frame and connected through a connecting frame, and bucket arch structural components are arranged on the middle spacing frame and the arc-shaped ring beams in a layered mode.
The bucket arch structure assembly comprises a group of transverse supporting beams and a group of longitudinal supporting beams, wherein two ends of each transverse supporting beam are connected with an arc-shaped ring beam through steel beams, and the longitudinal supporting beams penetrate through the transverse supporting beams.
The technical scheme shows that the invention has the following beneficial effects: .
1. According to the bucket arch assembling and lifting method, the plan is well planned according to the site construction, the structure needing to be installed is lifted by using the original structure, the problem that the existing construction cannot be normally lifted is well solved, the construction period is ensured to be normally carried out, and a new installation idea is brought to similar engineering.
2. According to the bucket arch assembling and lifting method, the using specification and lifting stress of arch lifting tool materials are analyzed before construction, and the construction safety can be effectively improved by using a scientific mode.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural view of the lifting and lowering of the anchor in the present invention;
FIG. 3 is a schematic view of a partial structure of the lifting tool of the present invention;
FIG. 4 is a side view of the present invention;
FIG. 5 is a numbering drawing of bucket arch hoisting positions according to the present invention;
FIG. 6 is a schematic view of the arrangement of the jig support assembly and lattice support of the present invention;
fig. 7 is a schematic structural view of the jig frame support assembly of the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Example 1
The bucket arch assembling and lifting method as shown in the figure comprises the following steps: the specific lifting method comprises the following steps:
1): laying a moulding bed according to the structural modeling and the gravity center of the single component;
2): the lower layer structure is assembled by a jig frame supporting component 1 and a lattice type support 2;
3): after the lower layer structure is assembled, the upper layer structure is installed by using the jig frame supporting component 1 and the structure;
4): after the structure is assembled, a lifting tool 4 is installed;
5): then, the bucket arches 3 are lifted and assembled through the lifting tool 4. In the bucket arch assembling and lifting method described in this embodiment, in step 5, a specific method for lifting and assembling the bucket arch by the lifting tool is as follows: 1): firstly, determining the material use specification and the lifting stress condition of the arch lifting tool 4 for analysis;
2): determining the positions of main stressed components of an original structure and a structure needing to be installed;
3): arranging supporting upright rods and conversion beams on main stress nodes of an original structure, and determining the positions of lifting beams according to gaps between rod pieces;
4): arranging lifting lower anchor tools on a structure to be installed, and determining the position of an oil cylinder on the upper part of a lifting beam according to the distance between the lower anchor tools;
5): carrying out structure lifting after all components are qualified in tailor welding inspection and lifting tools and equipment are qualified in inspection;
6) and after the structure is lifted, the embedded component is connected, and after all the components are welded and inspected to be qualified, the lifting tool is detached.
In the bucket arch assembling and lifting method described in this embodiment, in step 1, the arch lifting tool material usage specification and lifting stress analysis are as follows:
1): arranging tooling measures on a constructed lattice type support structure to lift a bucket arch structure below a lattice type support, arranging phi 351x12 steel pipe vertical rods on lattice type support nodes, arranging H800x300 conversion beams above the vertical rods, and determining the positions of the H800x300 double-spliced lifting beams above the conversion beams according to gaps of lattice type support rod pieces;
2): and determining the position of a 200T oil cylinder at the upper part of the lifting beam according to the distance between anchoring tools connected by the bucket arch structure, and penetrating 14 steel strands under each oil cylinder.
In this embodiment, the bucket arch hoisting point positions are numbered as follows: k1-1, K1-2 and K1-1A, K1-2A. Bucket arch lifting stress analysis meter
| Hoisting point numbering | Lifting point counter-force (kN) | Number of oil cylinders | Single oil cylinder lifting force (kN) | Cylinder type (t) | Reserve coefficient of cylinder | Number of steel strands | Safety coefficient of steel strand |
| K1-1\ K1-1A\ K1-2\ K1-2A | 1679 | 2 | 840 | 200 | 2.38 | 14 | 4.34 |
In this embodiment, the specification of the steel strand is as follows: the diameter phi of the steel strand is 15.2mm, the strength is 1860MPa, and the steel strand is 1x7 standard.
In this embodiment the bed-jig supporting component includes bed-jig pole setting 11, bed-jig bracing 12 and bed-jig template 13, bed-jig pole setting 11 is located latticed one side of supporting 2, the one end and the latticed of bed-jig bracing 12 are supported 2 and are connected, and the other end is connected with bed-jig pole setting 11, the top of bed-jig pole setting 11 is located to bed-jig template 13, the bracket member is located on bed-jig template 13.
In this embodiment, the lifting tool 4 includes a set of transfer beam 41, a lifting beam 42, a set of lifting cylinder 43 and a lifting lower anchor 44, the transfer beam 41 is disposed on the lattice support 2, two ends of the lifting beam 42 are connected with the transfer beam 41, the lifting cylinder 43 is disposed on the lifting beam 41, an upper end of the lifting lower anchor 44 is connected with the lifting cylinder 43, and a lower end of the lifting lower anchor is connected with the bucket arch 3 to be lifted.
The embodiment also comprises a group of supporting columns 5 and a group of upper lattice type supports 6 for lifting the upper layer structure, wherein the upper lattice type supports 6 are arranged above the supporting columns 5.
In this embodiment, the upper lattice type support 6 includes a set of upper chords 61, a set of lower chords 62 and a set of inner support frame 63, the upper chords 61 are arranged horizontally, the lower chords 62 are arranged at the lower part between the two upper chords 61, the three are triangular, a horizontal connecting frame 64 is arranged between the two upper chords 61, and the inner support frame 63 is arranged between the upper chords 61 and the lower chords 62.
The bucket arch 3 in the embodiment comprises a middle spacing frame 31, a group of arc ring beams 32 are arranged on two sides of the middle spacing frame 31, the arc ring beams 32 are connected through a connecting frame 33, and bucket arch structure 34 assemblies are arranged on the middle spacing frame 31 and the arc ring beams 32 in a layered mode.
The bucket arch structure 34 assembly in this embodiment includes a set of transverse support beams 341 and a set of longitudinal support beams 342, the transverse support beams 341 are connected at both ends to the arc-shaped ring beams 32 through steel beams 343, and the longitudinal support beams 342 pass through the transverse support beams 341.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. A bucket arch assembling and lifting method is characterized in that: the method comprises the following steps: the specific lifting method comprises the following steps:
1): laying a moulding bed according to the structural modeling and the gravity center of the single component;
2): the lower layer structure is assembled by adopting a jig frame support assembly and a lattice type support;
3): after the lower-layer structure is assembled, the upper-layer structure is installed by using the jig frame supporting assembly and the structure;
4): after the structure is assembled, a lifting tool is installed;
5): and then the bucket arches are lifted and assembled through the lifting tool.
2. The bucket arch assembling and lifting method according to claim 1, wherein: in step 5, the concrete method for lifting and assembling the bucket arch by the lifting tool is as follows: 1): firstly, determining the use specification of an arch lifting tool material and the lifting stress condition for analysis;
2): determining the positions of main stressed components of an original structure and a structure needing to be installed;
3): arranging supporting upright rods and conversion beams on main stress nodes of an original structure, and determining the positions of lifting beams according to gaps between rod pieces;
4): arranging lifting lower anchor tools on a structure to be installed, and determining the position of an oil cylinder on the upper part of a lifting beam according to the distance between the lower anchor tools;
5): carrying out structure lifting after all components are qualified in tailor welding inspection and lifting tools and equipment are qualified in inspection;
6) and after the structure is lifted, the embedded component is connected, and after all the components are welded and inspected to be qualified, the lifting tool is detached.
3. The bucket arch assembling and lifting method according to claim 2, wherein: in the step 1, the using specification and lifting stress of the arch lifting tool material are analyzed as follows:
1): arranging tooling measures on a constructed lattice type support structure to lift a bucket arch structure below a lattice type support, arranging phi 351x12 steel pipe vertical rods on lattice type support nodes, arranging H800x300 conversion beams above the vertical rods, and determining the positions of the H800x300 double-spliced lifting beams above the conversion beams according to gaps of lattice type support rod pieces;
2): and determining the position of a 200T oil cylinder at the upper part of the lifting beam according to the distance between anchoring tools connected by the bucket arch structure, and penetrating 14 steel strands under each oil cylinder.
4. The bucket arch assembling and lifting method according to claim 3, wherein: the specification of the steel strand is as follows: the diameter phi of the steel strand is 15.2mm, the strength is 1860MPa, and the steel strand is 1x7 standard.
5. The bucket arch assembling and lifting method according to claim 1, wherein: the bed-jig supporting component comprises a bed-jig vertical rod, a bed-jig diagonal support and a bed-jig template, wherein the bed-jig vertical rod is arranged on one side of the lattice type support, one end of the bed-jig diagonal support is connected with the lattice type support, the other end of the bed-jig diagonal support is connected with the bed-jig vertical rod, the bed-jig template is arranged at the top of the bed-jig vertical rod, and the bucket arch rod piece is arranged on the bed-jig template.
6. The bucket arch assembling and lifting method according to claim 1, wherein: the lifting tool comprises a group of conversion beams, a lifting beam, a group of lifting oil cylinders and a lifting lower anchor, wherein the conversion beams are arranged on the lattice type support, two ends of the lifting beam are connected with the conversion beams, the lifting oil cylinders are arranged on the lifting beam, the upper end of the lifting lower anchor is connected with the lifting oil cylinders, and the lower end of the lifting lower anchor is connected with the bucket arch to be lifted.
7. The bucket arch assembling and lifting method according to claim 1, wherein: the support structure further comprises a group of support columns and a group of upper latticed supports used for lifting the upper layer structure, and the upper latticed supports are arranged above the support columns.
8. The bucket arch assembling and lifting method according to claim 1, wherein: the upper lattice type support comprises a group of upper chords, a group of lower chords and a group of inner support frames, the upper chords are arranged horizontally relatively, the lower chords are arranged on the lower portion between the two upper chords, the lower chords and the lower chords are triangular, a horizontal connecting frame is arranged between the two upper chords, and the inner support frames are arranged between the upper chords and the lower chords.
9. The bucket arch assembling and lifting method according to claim 8, wherein: the bucket arch comprises a middle spacing frame, a group of arc ring beams are arranged on two sides of the middle spacing frame and connected through a connecting frame, and bucket arch structural components are arranged on the middle spacing frame and the arc ring beams in a layered mode.
10. The bucket arch assembling and lifting method according to claim 9, wherein: the bucket arch structure assembly comprises a group of transverse supporting beams and a group of longitudinal supporting beams, wherein two ends of each transverse supporting beam are connected with the corresponding arc-shaped ring beam through steel beams, and the longitudinal supporting beams penetrate through the transverse supporting beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111586082.9A CN114427300B (en) | 2021-12-21 | 2021-12-21 | Bucket arch assembling and lifting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111586082.9A CN114427300B (en) | 2021-12-21 | 2021-12-21 | Bucket arch assembling and lifting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114427300A true CN114427300A (en) | 2022-05-03 |
| CN114427300B CN114427300B (en) | 2023-07-28 |
Family
ID=81310490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111586082.9A Active CN114427300B (en) | 2021-12-21 | 2021-12-21 | Bucket arch assembling and lifting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114427300B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07301000A (en) * | 1994-05-10 | 1995-11-14 | Hec Corp | Installing device for structure |
| CN102155096A (en) * | 2011-03-02 | 2011-08-17 | 攀钢集团冶金工程技术有限公司 | Enormous-span steel tube house truss assembling construction method |
| CN102864936A (en) * | 2012-10-10 | 2013-01-09 | 江苏南通六建建设集团有限公司 | Combination lifting construction method for large-scale high hollow building roof of steel structure |
| CN103790234A (en) * | 2014-01-03 | 2014-05-14 | 永升建设集团有限公司 | Large-span truss hydraulic multi-point synchronous lifting construction method |
| KR101558793B1 (en) * | 2014-07-18 | 2015-10-12 | 고려대학교 산학협력단 | Automatic lifting system with top wall tie unit |
| CN107012949A (en) * | 2017-05-10 | 2017-08-04 | 中国建筑第二工程局有限公司 | Lifting method of large-span steel corridor |
| CN109440985A (en) * | 2018-12-25 | 2019-03-08 | 中建深圳装饰有限公司 | Super high-rise building super large curtain wall unit hydraulic synchronizing lifting system and its construction method |
| CN111779135A (en) * | 2020-06-24 | 2020-10-16 | 杭萧钢构股份有限公司 | Arch coupon steel structure and installation method thereof |
| CN212641767U (en) * | 2019-12-09 | 2021-03-02 | 江苏沪宁钢机股份有限公司 | Cross box bucket arch node |
-
2021
- 2021-12-21 CN CN202111586082.9A patent/CN114427300B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07301000A (en) * | 1994-05-10 | 1995-11-14 | Hec Corp | Installing device for structure |
| CN102155096A (en) * | 2011-03-02 | 2011-08-17 | 攀钢集团冶金工程技术有限公司 | Enormous-span steel tube house truss assembling construction method |
| CN102864936A (en) * | 2012-10-10 | 2013-01-09 | 江苏南通六建建设集团有限公司 | Combination lifting construction method for large-scale high hollow building roof of steel structure |
| CN103790234A (en) * | 2014-01-03 | 2014-05-14 | 永升建设集团有限公司 | Large-span truss hydraulic multi-point synchronous lifting construction method |
| KR101558793B1 (en) * | 2014-07-18 | 2015-10-12 | 고려대학교 산학협력단 | Automatic lifting system with top wall tie unit |
| CN107012949A (en) * | 2017-05-10 | 2017-08-04 | 中国建筑第二工程局有限公司 | Lifting method of large-span steel corridor |
| CN109440985A (en) * | 2018-12-25 | 2019-03-08 | 中建深圳装饰有限公司 | Super high-rise building super large curtain wall unit hydraulic synchronizing lifting system and its construction method |
| CN212641767U (en) * | 2019-12-09 | 2021-03-02 | 江苏沪宁钢机股份有限公司 | Cross box bucket arch node |
| CN111779135A (en) * | 2020-06-24 | 2020-10-16 | 杭萧钢构股份有限公司 | Arch coupon steel structure and installation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114427300B (en) | 2023-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103938875A (en) | Ground single body tensioning lifting construction method of single layer suspendome | |
| CN113719139B (en) | Construction method for hoisting irregular space net rack of stadium | |
| CN104141383A (en) | Bailey beam suspension formwork supporting system and construction method thereof | |
| CN110409837B (en) | Large-span double-layer steel reticulated shell roof unit-by-unit hoisting construction method | |
| CN114941432B (en) | Combined construction method for ultra-large span prestressed beam and double-layer steel corridor inclined column | |
| CN107013044A (en) | The modularization installation method of lighting roof and the lowering or hoisting gear for installing lighting roof | |
| CN114427300A (en) | Bucket arch assembling and lifting method | |
| CN114961286B (en) | Hoisting construction method for K-type stiff steel column with ultrahigh camber and large section | |
| CN117145051A (en) | High-altitude assembly structure of large-span space broken line truss and construction method | |
| CN106894437A (en) | Limited prestressing precast concrete foundation, communication tower building and construction method | |
| CN107299713A (en) | A kind of circular cone roofing integrally-lifting steel truss and its construction | |
| CN111535184A (en) | Cable-stayed bridge steel tower anchoring screw positioning support and positioning method | |
| CN116163534A (en) | On-site low-altitude scattered splicing method for large-diameter aluminum alloy latticed shell structure | |
| CN214883028U (en) | A door font template gallows for steel-concrete composite beam | |
| CN114319324A (en) | Construction structure and construction method of overlong large-diameter pile foundation reinforcement cage | |
| CN112227694B (en) | Integrated climbing frame system and assembling method thereof | |
| CN102383376A (en) | Ground moulding and integral hoisting method for large-tonnage steel bar bound finished product member | |
| CN113323361B (en) | Construction method of high-altitude supporting operation frame based on bottom steel platform | |
| CN113235449B (en) | Support-free installation method for arch rib structure of steel box arch bridge | |
| CN221543881U (en) | Installation equipment for kiln tail chimney | |
| CN210066511U (en) | Light steel bar framework | |
| CN111255238B (en) | Construction method for supporting steel box girder of super-large-span escalator | |
| CN211923578U (en) | Large-span steel structure net rack lifting device | |
| CN218880588U (en) | Bridge high-altitude jacking jack supporting structure | |
| CN219690752U (en) | Rotary stair and girder steel conversion node structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |