CN109505424B - Large-span steel pipe truss unloading bracket capable of being accurately adjusted and using method thereof - Google Patents
Large-span steel pipe truss unloading bracket capable of being accurately adjusted and using method thereof Download PDFInfo
- Publication number
- CN109505424B CN109505424B CN201811275098.6A CN201811275098A CN109505424B CN 109505424 B CN109505424 B CN 109505424B CN 201811275098 A CN201811275098 A CN 201811275098A CN 109505424 B CN109505424 B CN 109505424B
- Authority
- CN
- China
- Prior art keywords
- truss
- platform
- bolt
- steel pipe
- shaped steel
- 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.)
- Active
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
- E04G25/00—Shores or struts; Chocks
- E04G25/02—Shores or struts; Chocks non-telescopic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
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 provides a large-span steel pipe truss unloading bracket capable of being accurately adjusted and a using method thereof. The unloading carriage comprises an upper structure, a middle platform structure and a lower structure. The upper structure comprises two bolt supporting columns, two short supporting columns and two jacks. The lower part structure is a tower crane standard knot. When the truss is in operation, the truss is placed on the tile support. The cylinder head of the jack is abutted against the lower surface of the truss. And (4) lifting the truss, and controlling the bolt supporting columns to enable the truss to be separated from the tile support. And (5) falling the jack back to finish unloading. The bracket is simple to manufacture, is mostly welded and can be manufactured on the construction site. The construction is rapid and accurate. And the number of the adopted standard sections is determined according to the height of the truss, so that the resource is prevented from being idle. Saving resources and reducing cost.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a large-span steel pipe truss unloading bracket.
Background
At present, a large-span space steel structure is widely applied due to good mechanical properties, in recent years, due to the change of production and living requirements and aesthetic requirements, the construction requirement of the space steel structure with large span and complex appearance is more and more large, and the realization of more complex structural design and engineering construction is accompanied. In the construction of the large-span steel pipe truss, a large number of support frames and operating platforms need to be erected. The span of some steel structures is big, and is high, considers the effect of load, and the synchronous uninstallation precision of traditional sand discharge uninstallation method and hot melt tension releasing method is poor, can't satisfy present construction requirement. The jack is mostly adopted to realize the unloading of the large-span space steel structure. The method meets the requirement of synchronous unloading precision, but is mostly used for unloading the bottom of the support frame at present, the operation difficulty is increased, the bottom is not completely fixed, if the bottom is interfered by the side direction and the stroke of the jack is inconsistent, the support frame is possibly deformed and unstable laterally, and the safety performance is lower. Mechanical equipment can be used for fixing the bottom jack, but the method can cause a great increase of construction cost, some equipment is expensive, the operation is complex, the requirement on operators is high, and the method is also a main reason for preventing the jack unloading method from developing in the construction of a large-span steel structure.
Disclosure of Invention
The invention aims to provide a large-span steel pipe truss unloading bracket capable of being accurately adjusted and a using method thereof, so as to solve the problems in the prior art.
The technical scheme adopted for achieving the aim of the invention is that the large-span steel pipe truss unloading bracket capable of being adjusted accurately comprises an upper structure, a middle platform structure and a lower structure.
The middle platform structure comprises two H-shaped steel platform cross beams which are arranged in parallel, and a working platform and a conversion platform which are welded and fixed on the upper flange of the H-shaped steel platform cross beam. The whole working platform is of a plate-shaped structure. And a concave bayonet groove is formed in the upper plate surface of the working platform. The working platform is arranged in the middle of the cross beam of the H-shaped steel platform. The conversion platform is a flat plate. The conversion platform is arranged at the end part of the H-shaped steel platform beam. And a lap joint plate is connected between the working platform and the conversion platform.
The upper structure comprises two bolt supporting columns, two short supporting columns and two jacks. The bolt support column comprises two sections of circular steel pipes and an adjustable bolt ring which connects the two sections of circular steel pipes together. The end part of the round steel pipe is provided with an external thread. The adjustable collar bolt has internal threads. The upper end of the bolt supporting column is provided with a tile supporting, and the lower end of the bolt supporting column is provided with a plurality of supporting column inclined struts. One end of the support pillar inclined strut is connected with the bolt support pillar, and the other end of the support pillar inclined strut is connected with the H-shaped steel platform beam. The bolt supporting column is screwed into the depth of the adjustable bolt ring through the round steel pipe to finely adjust the height of the tile support. Two bolt support columns are respectively arranged at two ends of the H-shaped steel platform beam. The low supporting columns and the jacks are arranged at the concave bayonet grooves of the working platform. And the base of the jack is embedded and fixed in the concave bayonet groove.
The lower part structure is a tower crane standard knot. H shaped steel platform crossbeam sets up and welds at tower crane standard festival top.
When the truss is in operation, the truss is placed on the tile support. The cylinder head of the jack is abutted against the lower surface of the truss. And (4) lifting the truss, and controlling the bolt supporting columns to enable the truss to be separated from the tile support. And (5) falling the jack back to finish unloading.
Furthermore, a plurality of steel pipe cross beams are arranged between the two H-shaped steel platform cross beams which are arranged in parallel.
Furthermore, the lower end of the bolt supporting column is provided with 4 supporting column inclined struts. The 4 supporting pillar diagonal braces are distributed in the form of a rectangular pyramid. The bolt support pillar is welded to the cone top.
Furthermore, the lower plate surface of the working platform is welded with H-shaped steel at the corresponding position of the concave bayonet groove.
Further, the tower crane standard section is formed by welding a tower column, a tower beam and a tower diagonal brace. And a transition platform is erected in the middle of the tower crane standard knot. The transition platform is connected with the conversion platform through the ladder stand. And a stiffening inclined strut is further arranged between the column body of the tower column and the lower surface of the H-shaped steel platform beam.
The invention also discloses a manufacturing method of the accurately adjustable large-span steel pipe truss unloading bracket, which comprises the following steps:
1) and welding an H-shaped steel platform cross beam on the upper surface of the tower crane standard section.
2) Through plane positioning and center measurement, a conversion platform, a working platform and a lap joint plate are sequentially erected on the upper surface of the beam of the H-shaped steel platform.
3) And welding a short supporting column in a concave bayonet groove of the working platform, and paving a jack.
4) And welding the support pillar inclined strut and the bolt support pillar.
The invention also discloses a use method of the accurately adjustable large-span steel pipe truss unloading bracket, which comprises the following steps:
1) and slowly jacking the truss by using a jack so that the truss is separated from the tile support.
2) The adjustable bolt ring is screwed clockwise, and the bolt supporting column descends.
3) And measuring the vertical displacement between the truss and the tile support and the elevation of the tile support by using a level gauge, and recording.
4) And after 15min, repeating the steps 2) -3) until the vertical displacement between the truss and the supporting tile is not obviously changed, and obtaining the deflection deformation.
Further, the density of the internal thread of the bolt ring can be adjusted to meet the requirement that the bolt supporting column ascends or descends by 1mm every time the bolt supporting column is screwed. When unloading, the bolt ring can be adjusted, and the deflection deformation of the truss can be checked according to the number of turns of screwing.
The invention also discloses a use method of the accurately adjustable large-span steel pipe truss unloading bracket, which comprises the following steps:
1) and slowly jacking the truss by using a jack so that the truss is separated from the tile support. Wherein a certain number of gaskets are pre-arranged between the truss and the tile support.
2) A pad is extracted.
3) The vertical displacement between the truss and the remaining spacers is measured using a level gauge.
4) And after 15min, repeating the steps 2) to 3) until no obvious change in the vertical displacement between the truss and the rest of the gaskets is measured.
The technical effects of the invention are undoubted:
A. the height of the unloading bracket is finely adjusted through the bolt supporting column and the adjustable bolt ring, so that the top of the jack is unloaded;
B. the bracket is simple to manufacture, is mostly welded and can be manufactured on the construction site; the construction is rapid and accurate; the number of adopted standard sections is determined according to the height of the truss, so that the resource is prevented from being idle;
C. the bracket material is readily available. Special materials and a plurality of instruments are not used, and the adjustable bolt ring and the bolt support column are common; market leasing is general; resource reuse
D. The installation steps are few, the welding connection is reliable, and the construction safety is high;
E. the method is simple to implement and operate, has low requirement on operators, can shorten the construction period and reduce the cost.
F. The bracket can be repeatedly used, thereby saving resources and reducing cost.
Drawings
FIG. 1 is a schematic view of a bracket structure;
FIG. 2 is an isometric view of the bracket structure;
FIG. 3 is a schematic view of a bolt support post;
FIG. 4 is a schematic view of an adjustable bolt ring;
FIG. 5 is a schematic view of an operating platform;
FIG. 6 is a schematic illustration of transition platform and transition platform connections;
FIG. 7 is a schematic diagram of a transition platform structure.
In the figure: the device comprises a tile support 1, an adjustable bolt ring 2, a bolt support column 3, a bolt support column inclined strut 4, a platform beam 5, a steel pipe beam 6, a conversion platform 7, a connecting plate 8, a short support column 9, a jack 10, an operation platform 11, a stiffening inclined strut 12, a ladder stand 13, a transition platform 14, a tower frame beam 15, a tower frame inclined strut 16, a tower frame upright post 17 and an unloading beam 18.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
referring to fig. 1 and 2, the present embodiment discloses a precisely adjustable large-span steel pipe truss unloading bracket, which comprises an upper structure, a middle platform structure and a lower structure.
Referring to fig. 5, the middle platform structure includes two H-shaped steel platform beams 5 arranged in parallel, and a working platform 11 and a conversion platform 7 welded and fixed on the top surfaces of the H-shaped steel platform beams 5. And a plurality of steel pipe cross beams 6 are arranged between the two H-shaped steel platform cross beams 5 which are arranged in parallel. The working platform 11 is of a plate-shaped structure as a whole. And a concave bayonet groove is formed in the upper plate surface of the working platform 11. The lower plate surface of the working platform 11 is welded with H-shaped steel 18 at the corresponding position of the concave bayonet groove. The working platform 11 is arranged in the middle of the H-shaped steel platform beam 5. The conversion platform 7 is a flat plate. The conversion platform 7 is arranged at the end part of the H-shaped steel platform beam 5. And a lap joint plate 8 is connected between the working platform 11 and the conversion platform 7.
The superstructure comprises two bolt support columns 3, two short support columns 9 and two jacks 10. Referring to fig. 3, the bolt support post 3 includes two sections of circular steel pipes and an adjustable bolt ring 2 connecting the two sections of circular steel pipes together. The end part of the round steel pipe is provided with an external thread. Referring to fig. 4, the adjustable bolt ring 2 has an internal thread. And the bolt supporting column 3 is used for finely adjusting the height of the bracket by screwing the round steel pipe into the depth of the adjustable bolt ring 2. The upper end of the bolt supporting column 3 is provided with a tile support 1, and the lower end is provided with 4 supporting column inclined struts 4. The lower end of the bolt supporting column 3 is provided with 4 supporting column inclined struts 4. The 4 rest post sprags 4 are distributed in the form of a rectangular pyramid. The bolt support column 3 is welded to the cone top. And one end of the support column inclined strut 4 is connected with the bolt support column 3, and the other end of the support column inclined strut is connected with the H-shaped steel platform beam 5. Two bolt supporting columns 3 are respectively arranged at two ends of a cross beam 5 of the H-shaped steel platform. The short rest posts 9 and jacks 10 are arranged at the concave bayonet slots of the working platform 11. The base of the jack 10 is embedded in the concave bayonet groove.
The lower part structure is a tower crane standard knot. H shaped steel platform crossbeam 5 sets up and welds at tower crane standard festival top. The tower crane standard section is formed by welding a tower column 17, a tower beam 15 and a tower inclined strut 16. Referring to fig. 6 and 7, a transition platform 14 is erected in the middle of the tower crane standard knot. The transition platform 14 is connected with the conversion platform 7 through a ladder 13. And a stiffening inclined strut 12 is also arranged between the column body of the tower column 17 and the lower surface of the H-shaped steel platform beam 5.
In operation, the truss rests on the tile rest 1. The cylinder head of the jack 10 is abutted against the lower surface of the truss. The truss rises, and the bolt support columns 3 are controlled to separate the truss from the tile support 1.
And (5) falling the jack back to finish unloading.
Example 2:
the embodiment discloses a manufacturing method of a large-span steel pipe truss unloading bracket related to embodiment 1, which comprises the following steps:
1) and selecting a standard section at the top of the support frame, establishing a central point in the middle, and erecting a transition platform 14 and a welding ladder 13.
2) And an H-shaped steel platform beam 5 is welded on the upper surface of the tower crane standard section.
3) Through plane positioning and center measurement, a conversion platform 7, a working platform 11 and a lap joint plate 8 are sequentially erected on the upper surface of the H-shaped steel platform beam 5.
4) The short supporting columns 9 are welded in the concave bayonet grooves of the working platform 11, and the jacks 10 are laid.
5) And welding a support column inclined strut 4 and a bolt support column 3.
Example 3:
the embodiment discloses an accurate adjustment function of a large-span steel pipe truss unloading bracket capable of being accurately adjusted according to the embodiment 1, which meets the requirement of displacement monitoring during unloading of a part of engineering truss structures, and comprises the following steps:
1) the fine adjustment jack 10 slowly lifts the steel truss arranged on the bracket, so that the steel truss is just separated from the tile support 1.
2) The adjusting bolt ring 2 is screwed clockwise for a circle, and the bolt supporting column 3 descends 1 mm. Wherein, the density of the internal thread of the adjusting bolt ring 2 meets the requirement that the bolt supporting column 3 ascends or descends by 1mm every time the bolt supporting column is screwed. And when unloading, screwing the adjusting bolt ring 2, and checking the deflection deformation of the truss according to the number of screwing turns.
3) And measuring and recording the vertical displacement between the truss and the supporting tile 1 and the elevation of the supporting tile by using a level gauge.
4) And measuring again after 15min, and if no obvious change in vertical displacement between the truss and the supporting tile 1 is measured, controlling the deflection deformation to be 1 mm. If the truss collides with the tile support 1, the deflection deformation is continued, and the steps 2) to 3) are repeated. And finally, measuring that the vertical displacement between the truss and the supporting tile 1 has no obvious change, and obtaining the deflection deformation.
Example 4:
the embodiment discloses a use method of the accurately adjustable large-span steel pipe truss unloading bracket in relation to embodiment 1, which comprises the following steps:
1) and (3) finely adjusting the jack 10, and slowly jacking the steel truss arranged on the tile support 1 to ensure that the steel truss is just separated from the gasket. Wherein, the height of the bracket is kept unchanged, a certain number of gaskets with different thicknesses (such as 0.1mm, 0.2mm, 0.5mm and 1mm) are placed on the tile bracket 1 in advance, and the amount of deflection change is detected by controlling the number and specification of the extracted gaskets. In this embodiment, the gasket can be made of copper or iron sheet.
2) The shim was drawn to a thickness of 1 mm.
3) The vertical displacement between the truss and the remaining spacers is measured using a level gauge.
4) And measuring again after 15min, and if no obvious change in vertical displacement between the truss and the rest gaskets is detected, controlling the deflection deformation to be 1 mm. If the truss collides with the residual gasket, the deflection deformation is continued, and the steps 2) to 3) are repeated. And finally, the vertical displacement between the truss and the rest gaskets is not obviously changed, namely the deflection deformation monitoring is successful.
Claims (9)
1. The utility model provides a but large-span steel pipe truss uninstallation bracket of accurate adjustment which characterized in that: comprises an upper structure, a middle platform structure and a lower structure;
the middle platform structure comprises two H-shaped steel platform cross beams (5) which are arranged in parallel, and a working platform (11) and a conversion platform (7) which are welded and fixed on the upper flange of each H-shaped steel platform cross beam (5); the whole working platform (11) is of a plate-shaped structure; a concave bayonet groove is formed in the upper plate surface of the working platform (11); the working platform (11) is arranged in the middle of the H-shaped steel platform beam (5); the conversion platform (7) is a straight plate; the conversion platform (7) is arranged at the end part of the H-shaped steel platform beam (5); a lap joint plate (8) is connected between the working platform (11) and the conversion platform (7);
the upper structure comprises two bolt supporting columns (3), two short supporting columns (9) and two jacks (10); the bolt supporting column (3) comprises two sections of circular steel pipes and an adjustable bolt ring (2) for connecting the two sections of circular steel pipes together; the end part of the round steel pipe is provided with an external thread; the adjustable bolt ring (2) is provided with an internal thread; the upper end of the bolt supporting column (3) is provided with a tile supporting frame (1), and the lower end is provided with a plurality of supporting column inclined struts (4); one end of the support column inclined strut (4) is connected with the bolt support column (3), and the other end of the support column inclined strut is connected with the H-shaped steel platform cross beam (5); the bolt support column (3) is screwed into the adjustable bolt ring (2) through a round steel pipe to finely adjust the height of the tile support (1); two bolt supporting columns (3) are respectively arranged at two ends of a cross beam (5) of the H-shaped steel platform; the low supporting columns (9) and the jacks (10) are arranged at concave bayonet grooves of the working platform (11); the base of the jack (10) is embedded in the concave bayonet groove;
the lower structure is a standard section of a tower crane; the H-shaped steel platform cross beam (5) is erected and welded on the top of the tower crane standard section;
when in work, the truss is placed on the tile support (1); the cylinder head of the jack (10) is abutted against the lower surface of the truss; the truss rises, and the bolt supporting column (3) is controlled to separate the truss from the tile support (1); and (5) falling the jack back to finish unloading.
2. The large-span steel pipe truss unloading bracket capable of being adjusted accurately according to claim 1, wherein: a plurality of steel pipe cross beams (6) are arranged between the two H-shaped steel platform cross beams (5) which are arranged in parallel.
3. The large-span steel pipe truss unloading carriage capable of being adjusted accurately according to claim 1 or 2, wherein: the lower end of the bolt supporting column (3) is provided with 4 supporting column inclined struts (4); the 4 support pillar inclined struts (4) are distributed in the form of a rectangular pyramid; the bolt supporting column (3) is welded on the conical top.
4. The large-span steel pipe truss unloading carriage capable of being adjusted accurately according to claim 1 or 2, wherein: and H-shaped steel (18) is welded on the lower plate surface of the working platform (11) at the corresponding position of the concave bayonet groove.
5. The large-span steel pipe truss unloading bracket capable of being adjusted accurately according to claim 1, wherein: the tower crane standard section is formed by welding a tower column (17), a tower beam (15) and a tower inclined strut (16); a transition platform (14) is erected in the middle of the tower crane standard knot; the transition platform (14) is connected with the conversion platform (7) through a ladder stand (13); and a stiffening inclined strut (12) is further arranged between the column body of the tower column (17) and the lower surface of the H-shaped steel platform beam (5).
6. A method for manufacturing the precisely adjustable large-span steel pipe truss unloading bracket as claimed in claim 1, which comprises the following steps:
1) welding an H-shaped steel platform cross beam (5) on the upper surface of the tower crane standard section;
2) sequentially erecting a conversion platform (7), a working platform (11) and a lap joint plate (8) on the upper surface of an H-shaped steel platform beam (5) through plane positioning and center measurement;
3) welding a short supporting column (9) in a concave bayonet groove of a working platform (11), and paving a jack (10);
4) and welding the support column inclined strut (4) and the bolt support column (3).
7. A method for using the precisely adjustable large-span steel pipe truss unloading bracket as claimed in claim 1, comprising the steps of:
1) slowly jacking the truss by using a jack (10) to separate the truss from the tile support (1);
2) the adjustable bolt ring (2) is screwed clockwise, and the bolt supporting column (3) descends;
3) measuring the vertical displacement between the truss and the tile support (1) and the elevation of the tile support (1) by using a level gauge, and recording;
4) and after 15min, repeating the steps 2) -3) until the vertical displacement between the truss and the supporting tile is not obviously changed, and obtaining the deflection deformation.
8. The use method of the large-span steel pipe truss unloading bracket capable of being accurately adjusted according to claim 7, is characterized in that: the density of the internal thread of the bolt ring (2) can be adjusted to meet the requirement that the bolt supporting column (3) rises or falls by 1mm when screwing one circle; when unloading, the bolt ring (2) can be adjusted, and the deflection deformation of the truss can be checked according to the number of turns of screwing.
9. A method of using the precisely adjustable large-span steel pipe truss unloading bracket of claim 1, comprising the steps of:
1) slowly jacking the truss by using a jack (10) to separate the truss from the tile support (1);
wherein a certain number of gaskets are arranged between the truss and the tile support (1) in advance;
2) extracting a gasket;
3) measuring the vertical displacement between the truss and the rest of the gaskets by using a level gauge;
4) and after 15min, repeating the steps 2) to 3) until no obvious change in the vertical displacement between the truss and the rest of the gaskets is measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275098.6A CN109505424B (en) | 2018-10-30 | 2018-10-30 | Large-span steel pipe truss unloading bracket capable of being accurately adjusted and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275098.6A CN109505424B (en) | 2018-10-30 | 2018-10-30 | Large-span steel pipe truss unloading bracket capable of being accurately adjusted and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109505424A CN109505424A (en) | 2019-03-22 |
| CN109505424B true CN109505424B (en) | 2020-07-17 |
Family
ID=65747099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811275098.6A Active CN109505424B (en) | 2018-10-30 | 2018-10-30 | Large-span steel pipe truss unloading bracket capable of being accurately adjusted and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505424B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441596A (en) * | 2020-04-03 | 2020-07-24 | 中电建路桥集团有限公司 | Support-free jig frame universal device for space special-shaped truss construction and construction method thereof |
| CN112392259B (en) * | 2020-12-09 | 2022-02-01 | 北京建工集团有限责任公司 | Synchronous grading unloading method for steel truss with jacking oil cylinder replaced by double supporting points |
| CN114439252B (en) * | 2021-12-09 | 2023-06-02 | 陕西建工第一建设集团有限公司 | Main arch supporting device for hoisting large-span steel structure roof |
| CN116241103A (en) * | 2022-11-16 | 2023-06-09 | 中国一冶集团有限公司 | Large-span curved surface single-layer reticulated shell mounting support steel frame structure and construction method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3131896B2 (en) * | 1995-07-20 | 2001-02-05 | 辰雄 小野 | Shoring |
| JP3700952B2 (en) * | 1996-01-22 | 2005-09-28 | 辰雄 小野 | Support |
| CN202416899U (en) * | 2012-01-01 | 2012-09-05 | 北京首钢建设集团有限公司 | Assembled adjustable support structure for installation and uninstallation of steel truss |
| CN104746895B (en) * | 2015-03-27 | 2017-06-30 | 浙江精工钢结构集团有限公司 | A kind of building structure single tube support meanss |
| CN206815822U (en) * | 2017-03-29 | 2017-12-29 | 成都申川节能环保工程有限公司 | A kind of height adjustable support jacking |
| CN107237498B (en) * | 2017-07-28 | 2019-03-05 | 南通华新建工集团有限公司 | A kind of steel pipe triangular truss structure roof slide installation method |
-
2018
- 2018-10-30 CN CN201811275098.6A patent/CN109505424B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109505424A (en) | 2019-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109505424B (en) | Large-span steel pipe truss unloading bracket capable of being accurately adjusted and using method thereof | |
| CN101307605B (en) | High precision apparatus foundation mounting method | |
| CN111719892B (en) | Use method of jack unloading supporting device | |
| CN109779269B (en) | Large-span truss sectional hoisting high-altitude folding measure device and construction method | |
| CN108894116B (en) | Prefabricated stand column assembling construction method | |
| CN106351462A (en) | Temporary steel pipe supported prestressed reinforcement structure and construction method thereof | |
| KR101567628B1 (en) | The jackup device for the extension and floor increase | |
| CN110748178A (en) | Auxiliary mounting platform for shock insulation support and using method of auxiliary mounting platform | |
| CN214062391U (en) | Spacing frock of column mouting | |
| CN211473452U (en) | Millimeter-scale accurate positioning system in prefabricated stand hoist and mount process | |
| CN110076468B (en) | Secondary truss installation method and temporary fixing device thereof | |
| CN209907206U (en) | Auxiliary device for installing dumbbell-shaped arch ribs | |
| CN202266034U (en) | Fixing device for anchor bolts of embedded type diamond combined steel and concrete column feet | |
| CN112112284A (en) | Integral jacking construction method for net rack | |
| CN217439544U (en) | Building top outer vertical surface overhanging structure template supporting system | |
| CN214883824U (en) | Pre-leveling tower foundation | |
| CN203034605U (en) | Jacking support frame for latticed shell structure | |
| CN113293790B (en) | Pre-leveling tower foundation and leveling construction method thereof | |
| CN209704036U (en) | Large-span truss segmental hoisting high-altitude closes up measure device | |
| CN210827533U (en) | Device for embedding foundation bolt group | |
| CN110144927B (en) | Device for embedding foundation bolt group | |
| CN109372242B (en) | Elevator shaft construction safety lifting platform device and using method | |
| KR101491212B1 (en) | The extension of the trussed structure building roof and adding method | |
| CN212956135U (en) | Adjusting lifting and supporting device for assembling super-large steel structure bridge sections | |
| CN111809885A (en) | Large-span steel truss hydraulic jacking system and construction method thereof |
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 |