CN112267467A - Adjustable support for accurate positioning of permanent double-steel-pipe column - Google Patents
Adjustable support for accurate positioning of permanent double-steel-pipe column Download PDFInfo
- Publication number
- CN112267467A CN112267467A CN202011222177.8A CN202011222177A CN112267467A CN 112267467 A CN112267467 A CN 112267467A CN 202011222177 A CN202011222177 A CN 202011222177A CN 112267467 A CN112267467 A CN 112267467A
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- steel pipe
- jacks
- outer frame
- welded
- double steel
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 239000004567 concrete Substances 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012966 insertion method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an adjustable bracket for accurately positioning permanent double steel pipe columns, which comprises: the device comprises an outer frame, an inner frame, supporting legs, a jack support, a jack, a laser inclinometer and a hanging plate; the supporting legs are welded at four corners of the lower portion of the outer frame, hanging plates are obliquely welded at four corners of the upper portion of the outer frame, an inner frame which is transversely long is welded at the middle position of the upper portion of the outer frame, triangular plates are correspondingly welded on the outer sides of the double steel pipe columns, and the double steel pipe columns are erected inside the inner frame through the triangular plates; the number of the jacks is six, two jacks are oppositely arranged along the transverse direction and are positioned on the transverse central line of the outer frame, the other four jacks are oppositely arranged along the longitudinal direction in two groups, and the two groups of jacks are symmetrical about the longitudinal central line of the outer frame; and the laser inclinometer is arranged on the upper part of the double steel pipe column, and the corresponding jack is adjusted according to the inclination angle displayed by the laser inclinometer, so that the perpendicularity adjustment of the double steel pipe column is realized.
Description
Technical Field
The invention belongs to the field of construction engineering construction, and particularly provides an adjustable support for accurately positioning a permanent double-steel-pipe column.
Background
In the traditional top-down construction method deep foundation pit construction, the upright column pile is a more critical control item, the upright column pile usually adopts a lattice column or single steel pipe column form, a steel reinforcement cage positioning support and a simple positioning support are generally adopted for adjustment and positioning in the installation and positioning process, and the precision of the positioning support cannot meet the structural control requirement.
In addition, because of the stress characteristic of the high-rise structure, the section size of the tower column is usually larger, the forward construction method is also usually adopted when the section steel concrete column is adopted for construction, and the forming quality of the section steel concrete column is difficult to ensure by the reverse construction method.
Disclosure of Invention
The invention aims to provide an adjustable support for accurately positioning a permanent double-steel-pipe column, which is suitable for positioning and perpendicularity adjustment of the permanent double-steel-pipe column.
The double-steel-pipe upright pile is a permanently combined structural column designed to be used as a supporting upright column and a permanent structural column, mainly comprises a steel pipe column and a cast-in-place pile, wherein the upper part of the double-steel-pipe upright pile is the steel pipe upright column, the lower part of the double-steel-pipe upright pile is a reinforced concrete bored cast-in-place pile foundation, a steel pipe is inserted before the pile is cast by adopting a steel pipe first insertion method, and a concrete is cast by a guide pipe on the outer side of the steel pipe, wherein the most difficult point is the positioning, fixing and hoisting of the steel pipe column. The double steel pipe columns are permanent structural columns, in order to ensure the verticality of the columns, the tops of the steel pipe columns are extended to be 3 meters above the ground by adopting the measure pipes, and the laser inclinometer is used for installing and straightening the steel pipe columns on the upper parts of the steel pipe columns.
The technical scheme of the invention is as follows: an adjustable support for permanent two steel-pipe column accurate positioning for fix a position and hang down straightness and adjust two steel-pipe columns 9, includes: the device comprises an outer frame 1, an inner frame 2, supporting legs 3, a jack support 4, a jack 5, a laser inclinometer 6 and a hanging plate 7;
the outer frame 1 is a square frame, supporting legs 3 are welded at four corners of the lower portion of the square frame, hanging plates 7 are welded at four corners of the upper portion of the square frame in an inclined mode, an inner frame 2 which is transversely long is welded at the middle position of the upper portion of the square frame, triangular plates 10 are correspondingly welded on the outer sides of the double steel pipe columns 9, and the double steel pipe columns 9 are erected inside the inner frame 2 through the triangular plates 10; the number of the jacks 5 is six, two jacks 5 are oppositely arranged along the transverse direction and are positioned on the transverse central line of the outer frame 1, the other four jacks 5 are oppositely arranged along the longitudinal direction in two groups, the two groups of jacks 5 are symmetrical about the longitudinal central line of the outer frame 1, and the jacks 5 are arranged on corresponding jack supports 4 welded on the upper part of the outer frame 1; the laser inclinometer 6 is installed on the upper portion of the double steel pipe column 9, and the corresponding jack 5 is adjusted according to the inclination angle displayed by the laser inclinometer 6, so that perpendicularity adjustment of the double steel pipe column 9 is achieved.
Furthermore, two concrete conduit clamping plates 8 which are symmetrical relative to the transverse central line of the outer frame 1 are welded between the outer frame 1 and the inner frame 2, and the concrete conduit clamping plates 8 are positioned between the two groups of jacks 5 which are oppositely arranged in the longitudinal direction.
Further, the concrete conduit clamping plate 8 is formed by welding angle steel or square steel and forms a concrete conduit bayonet 8 a.
Further, the outer frame 1 is formed by welding four 32b # I-shaped steel bars.
Further, the inner frame 2 is a II-shaped frame and is formed by welding four 40b # I-shaped steel bars.
Further, the hanger plate 7 is a steel plate.
Further, the jack 5 is a 10t hydraulic jack.
The invention has the following beneficial effects:
the invention is suitable for positioning and perpendicularity adjustment of permanent double-steel-pipe columns, the adjustable support is fixed by measuring the positioning angle point of the adjustable support in advance, the laser inclinometer is installed on the upper part of the double-steel-pipe column before the double-steel-pipe column is lifted, and after the double-steel-pipe column is installed, the adjustment is carried out by the jack on the adjustable support according to the display inclination angle of the laser inclinometer so as to ensure the position and perpendicularity of the double-steel-pipe column.
The invention can make the double steel tube column be used as the support column and the permanent structure column, and can be used in the reverse construction, which can save the construction period and the cost of the secondary construction of the basement structure, and at the same time, because the stress of the column structure is strengthened, the section of the structure column can be reduced, the building space is correspondingly enlarged, and one column is used for two purposes, which is more environmental-friendly and economical than the traditional column, and has the advantages of simple structure, convenient installation and easy adjustment.
The foundation of the steel pipe column pile construction area needs to be treated and hardened before construction, so that the placement of the adjustable bracket can be kept horizontal; the invention has stable structure, the force application of the jack for adjusting the verticality of the steel pipe column conforms to the mechanical rule, the basis is reliable, and the design is scientific and reasonable; the invention can be hoisted by a crane, can be recycled, is convenient to operate and has low construction cost; the invention meets the energy-saving requirement, realizes the recycling of steel through recycling, and meets the principles of green, environmental protection, saving and recyclability.
Drawings
FIG. 1 is a plan view of the present invention;
FIG. 2 is an elevational view of the present invention;
FIG. 3 is a diagram illustrating the overall effect of the present invention;
FIG. 4 is a schematic view of installation of a double steel pipe column according to the present invention;
FIG. 5 is a schematic view showing a double steel pipe column installation and fixation state in the present invention;
in the figure: 1. an outer frame; 2. an inner frame; 3. a support leg; 4. a jack support; 5. a jack; 6. a laser inclinometer; 7. a hanger plate; 8. a concrete conduit snap gauge; 8a, a concrete guide pipe bayonet; 9. double steel pipe columns; 10. a triangular plate.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
As shown in fig. 1 to 5, an adjustable support for accurately positioning a permanent double steel pipe column is used for positioning and adjusting verticality of a double steel pipe column 9, and comprises: the device comprises an outer frame 1, an inner frame 2, supporting legs 3, a jack support 4, a jack 5, a laser inclinometer 6 and a hanging plate 7.
The outer frame 1 is a square frame, supporting legs 3 are welded at four corners of the lower portion of the square frame, hanging plates 7 are welded at four corners of the upper portion of the square frame in an inclined mode, an inner frame 2 which is transversely long is welded at the middle position of the upper portion of the square frame, triangular plates 10 are correspondingly welded on the outer sides of double steel pipe columns 9, and the double steel pipe columns 9 are erected inside the inner frame 2 through the triangular plates 10; the number of the jacks 5 is six, two jacks 5 are oppositely arranged along the transverse direction and are positioned on the transverse central line of the outer frame 1, the other four jacks 5 are oppositely arranged along the longitudinal direction in two groups, the two groups of jacks 5 are symmetrical about the longitudinal central line of the outer frame 1, and the jacks 5 are arranged on the corresponding jack supports 4 welded on the upper part of the outer frame 1; the laser inclinometer 6 is installed on the upper portion of the double steel pipe column 9, and the corresponding jack 5 is adjusted according to the inclination angle displayed by the laser inclinometer 6, so that perpendicularity adjustment of the double steel pipe column 9 is achieved.
In the embodiment of the invention, two concrete conduit clamping plates 8 which are symmetrical about the transverse center line of the outer frame 1 are welded between the outer frame 1 and the inner frame 2, and the concrete conduit clamping plates 8 are positioned between two groups of jacks 5 which are oppositely arranged in the longitudinal direction.
In the embodiment of the invention, the concrete conduit clamping plate 8 is formed by welding angle steel or square steel and forms a concrete conduit bayonet 8 a.
In the embodiment of the present invention, the outer frame 1 is formed by welding four 32b # i-beams.
In the embodiment of the invention, the inner frame 2 is a II-shaped frame and is formed by welding four 40b # I-shaped steel bars.
In the embodiment of the present invention, the hanger plate 7 is a steel plate.
In the embodiment of the invention described, the jack 5 is a 10t hydraulic jack.
The invention uses the laser clinometer 6 to carry out real-time monitoring, the guiding and the adjusting are implemented through the adjustable bracket, the laser clinometer 6 is adopted to measure the inclination of the double steel pipe column 9, and the adjusting rod of the jack 5 arranged in each direction is adjusted to adjust the verticality of the double steel pipe column 9 according to the real-time measurement result so as to meet the requirements of the position and the verticality of the double steel pipe column 9.
When the adjustable support is used, after the steel pipe upright post pile is drilled, mud, soil and the like around the drilled hole are cleaned, a measurer retests the central point of the steel pipe upright post pile and the positioning and guiding angular point of the adjustable support, the positioning deviation is smaller than 10mm, the fixed adjustable support is hoisted and fixed at the positioning angular point of the adjustable support on a hardening site, the adjustable support is placed horizontally, and the positioning accuracy of a cast-in-place pile and a steel upright post is guaranteed. And (3) installing and fixing the laser inclinometer 6 at the center line of the double steel pipes, then hoisting the double steel pipes, putting the double steel pipes into the pile hole through the adjustable support, and adjusting the inclination and the position of the steel pipe column by adopting a method of combining real-time monitoring and the adjustable support. Through real-time monitoring data, the steel stand column is strictly centered after being repeatedly corrected by the adjustable support, and the verticality and the position of the steel pipe column meet the design requirements and the use requirements.
The size of the present invention can also be adjusted according to the field situation, and the size of each component described in this embodiment is only for reference.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an adjustable support that is used for permanent two steel-pipe column accurate positioning for fix a position and hang down straightness and adjust two steel-pipe columns (9), its characterized in that includes: the device comprises an outer frame (1), an inner frame (2), supporting legs (3), a jack support (4), a jack (5), a laser inclinometer (6) and a hanging plate (7);
the outer frame (1) is a square frame, supporting legs (3) are welded at four corners of the lower portion of the square frame, hanging plates (7) are welded at four corners of the upper portion in an inclined mode, the inner frame (2) which is transversely long is welded at the middle position of the upper portion, triangular plates (10) are correspondingly welded on the outer sides of the double steel pipe columns (9), and the double steel pipe columns (9) are erected inside the inner frame (2) through the triangular plates (10); the number of the jacks (5) is six, two jacks (5) are transversely arranged oppositely and are positioned on the transverse central line of the outer frame (1), the other four jacks (5) are divided into two groups which are longitudinally arranged oppositely, the two groups of jacks (5) are symmetrical about the longitudinal central line of the outer frame (1), and the jacks (5) are arranged on corresponding jack supports (4) welded on the upper part of the outer frame (1); laser inclinometers (6) are installed on the upper portions of the double steel pipe columns (9), and corresponding jacks (5) are adjusted according to the inclination angles displayed by the laser inclinometers (6), so that perpendicularity adjustment of the double steel pipe columns (9) is achieved.
2. An adjustable support for the precise positioning of permanent double steel pipe columns according to claim 1, characterized in that two concrete conduit clamping plates (8) symmetrical about the transverse center line of the outer frame (1) are welded between the outer frame (1) and the inner frame (2), and the concrete conduit clamping plates (8) are positioned between two sets of jacks (5) which are oppositely arranged in the longitudinal direction.
3. An adjustable support for accurate positioning of permanent double steel pipe columns according to claim 2, characterized in that the concrete guide pipe clamping plate (8) is formed by welding angle steel or square steel and forms a concrete guide pipe bayonet (8 a).
4. An adjustable support for the precise positioning of permanent double steel pipe columns according to claim 1, characterized in that the outer frame (1) is welded from four 32b # i-beams.
5. An adjustable support for accurate positioning of permanent double steel pipe columns according to claim 1, characterised in that the inner frame (2) is a ii-frame welded from four # 40b i-beams.
6. An adjustable support for the precise positioning of permanent double steel pipe columns according to claim 1, characterised in that the suspension plate (7) is a steel plate.
7. An adjustable support for the precise positioning of permanent double steel pipe columns according to claim 1, characterised in that the jacks (5) are 10t hydraulic jacks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011222177.8A CN112267467A (en) | 2020-11-05 | 2020-11-05 | Adjustable support for accurate positioning of permanent double-steel-pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011222177.8A CN112267467A (en) | 2020-11-05 | 2020-11-05 | Adjustable support for accurate positioning of permanent double-steel-pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112267467A true CN112267467A (en) | 2021-01-26 |
Family
ID=74344857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011222177.8A Pending CN112267467A (en) | 2020-11-05 | 2020-11-05 | Adjustable support for accurate positioning of permanent double-steel-pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112267467A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203113336U (en) * | 2013-01-31 | 2013-08-07 | 广东省建筑设计研究院 | Locating and perpendicularity adjusting device of rotary-drilling pile concrete-filled steel tubular column reverse construction method |
| CN104110035A (en) * | 2013-04-16 | 2014-10-22 | 中冶天工上海十三冶建设有限公司 | Perpendicularity correcting device for concrete-filled steel tube columns constructed by top-down process and construction method implemented by perpendicularity correcting device |
| CN205369043U (en) * | 2015-12-31 | 2016-07-06 | 中铁二十局集团第六工程有限公司 | Long span steel case back pushes away construction and uses interim bearing structure |
| CN205530262U (en) * | 2016-01-19 | 2016-08-31 | 中建八局第三建设有限公司 | Adjust timing frame of steel tube column stake position among half reverse construction |
| CN108104124A (en) * | 2017-12-29 | 2018-06-01 | 中交二公局第工程有限公司 | Large-diameter steel casing three-frame type guide frame and auxiliary positioning platform device |
| CN111719607A (en) * | 2020-07-30 | 2020-09-29 | 广东省建筑工程集团有限公司 | Method and device for accurately positioning and adjusting verticality of steel pipe column |
| CN214116620U (en) * | 2020-11-05 | 2021-09-03 | 中国建筑第四工程局有限公司 | Adjustable support for accurate positioning of permanent double-steel-pipe column |
-
2020
- 2020-11-05 CN CN202011222177.8A patent/CN112267467A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203113336U (en) * | 2013-01-31 | 2013-08-07 | 广东省建筑设计研究院 | Locating and perpendicularity adjusting device of rotary-drilling pile concrete-filled steel tubular column reverse construction method |
| CN104110035A (en) * | 2013-04-16 | 2014-10-22 | 中冶天工上海十三冶建设有限公司 | Perpendicularity correcting device for concrete-filled steel tube columns constructed by top-down process and construction method implemented by perpendicularity correcting device |
| CN205369043U (en) * | 2015-12-31 | 2016-07-06 | 中铁二十局集团第六工程有限公司 | Long span steel case back pushes away construction and uses interim bearing structure |
| CN205530262U (en) * | 2016-01-19 | 2016-08-31 | 中建八局第三建设有限公司 | Adjust timing frame of steel tube column stake position among half reverse construction |
| CN108104124A (en) * | 2017-12-29 | 2018-06-01 | 中交二公局第工程有限公司 | Large-diameter steel casing three-frame type guide frame and auxiliary positioning platform device |
| CN111719607A (en) * | 2020-07-30 | 2020-09-29 | 广东省建筑工程集团有限公司 | Method and device for accurately positioning and adjusting verticality of steel pipe column |
| CN214116620U (en) * | 2020-11-05 | 2021-09-03 | 中国建筑第四工程局有限公司 | Adjustable support for accurate positioning of permanent double-steel-pipe column |
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