CN102121247B - Locating frame of underground ultra-long support steel upright - Google Patents
Locating frame of underground ultra-long support steel upright Download PDFInfo
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- CN102121247B CN102121247B CN201110006697XA CN201110006697A CN102121247B CN 102121247 B CN102121247 B CN 102121247B CN 201110006697X A CN201110006697X A CN 201110006697XA CN 201110006697 A CN201110006697 A CN 201110006697A CN 102121247 B CN102121247 B CN 102121247B
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- locating rack
- support steel
- steel post
- locating frame
- steel upright
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Abstract
The invention relates to a locating frame of an underground ultra-long support steel upright; the locating frame is formed by welding four pieces of angle iron and batten plates; the inside edge of the locating frame is 2-10 mm greater than the outside edge of the support steel upright; the lower part of the locating frame is sheathed on the outer side of the support steel upright and is connected through a dismountable bolt; the upper part of the locating frame is higher than a pile hole opening and is fixedly hung on the pile hole opening after being corrected. The locating frame has the advantages of being simple and reasonable in structure, convenient to assemble and unassembled, easy to correct, and the like; the allowable deviation of the post top altitude of the support steel upright can be reduced from +/-100 mm to +/-15 mm; the allowable deviation of the deviation quantity between the centre wire of the support steel upright and a reinforcement cage and a vertical wire can be adjusted from no more than 100 mm to no more than 20 mm; the locating frame can be recycled under the situation of not excavating soil; the construction quality of a deep foundation pit can be obviously improved; and the labor strength and the working efficiency are reduced.
Description
Technical field
The present invention relates to a kind of locating rack, the locating rack of the underground overlength support steel post of unique vertical supporting member in the vertical support system belongs to the realm of building construction in particularly a kind of deep foundation pit construction.
Background technology
It is unique vertical supporting member in the vertical support system in the deep foundation pit construction that underground overlength supports steel post, and the deviation of its installation quality can cause eccentric compression, can directly have influence on the security and stability of entirely going along with sb. to guard him deep foundation ditch down; Not only long but also heavy because of the support steel post in the deep foundation ditch, its top is at below the natural terrace about two meters and in the stake hole, be in vacant state, and degree of freedom is big, brings sizable trouble to correction work, can't control the installation quality with conventional method.
Summary of the invention
The objective of the invention is in order to solve the problem of above-mentioned support steel post vertical installation quality in deep foundation pit construction; Improve to support the verticality of steel post and reinforcing cage, design a kind of simple and reasonable, easy to loading and unloading, capital absolute altitude and and the center line of reinforcing cage and underground overlength support steel post locating rack of the departure between the vertical line of being convenient to proofread and correct, can conveniently adjust and dwindle the support steel post in the deep foundation ditch.
Underground overlength of the present invention supports the steel post locating rack; It is characterized in that locating rack comprises that 4 angle steel and batten plate are welded; The inner side edge of said locating rack is than the big 2～10mm of outer side edges that supports steel post; The locating rack bottom is sleeved on supports the steel post outside also with the connection of easy unloading type latch, and locating rack top exceeds an aperture and calibrated back fixedly is lifted on the aperture.
In order under the situation of not cutting the earth, to take out locating rack, said easy unloading type latch comprises plug housing and 2 bolt rods, and said 2 bolt rod rear ends are contained in plug housing below and rotation down vertically through turning cylinder respectively, and plug housing is provided with draw ring.
In order to prevent that the easy unloading type latch from skidding off from connection holes, can on 2 bolt rods, be respectively equipped with anti-play boss, rotate in connection holes in order to prevent the easy unloading type latch, can select bolt rod for use waist shape bar.
For the ease of the capital absolute altitude of adjustment support steel post, said locating rack is provided with length mark.
In order to improve the coaxial performance of locating rack and support steel post, the locating rack bottom is nested into support steel post top should be not less than 500mm, and for the ease of the capital absolute altitude of measuring and calculating support steel post, the locating rack upper end can exceed an aperture 500 mm.
Underground overlength of the present invention supports the steel post locating rack; Because will be embedded in underground overlength support steel post with locating rack extends to more than the ground; Can accurately calculate and control the capital absolute altitude of support steel post through the length mark on the locating rack; Again since locating rack to be sleeved on the distance that supports steel post longer, ignored in the suit gap, improved the coaxial performance between locating rack cover axis and the support steel post axis; Also because the connector between locating rack and the support steel post uses the easy unloading type connector; Particularly use the easy unloading type latch, can after the pouring of the concrete in accomplishing foundation ditch, upwards draw plug housing can latch be taken out in locating rack with drag hook or stay cord.Overcome with bolt and connected and after need excavating very dark soil layer, after finding and unloading positioning bolt, the defective that could will guide locating rack to hang out with loop wheel machine.Have simple and reasonable, easy to loading and unloading, be convenient to advantages such as correction; Can will support steel post the capital absolute altitude by allowable variation ± 100mm be reduced to ± 15mm in; The center line and the departure between the vertical line that support steel post and reinforcing cage are adjusted in the 20mm for being no more than 100mm by allowable variation; Can also under situation about need not cut the earth, take out locating rack and reuse, can obviously improve the construction quality of deep foundation ditch, reduce labour intensity and increase work efficiency.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 be among Fig. 1 A-A to structural representation;
Fig. 3 is a kind of structural representation of easy unloading type latch.
The specific embodiment
Referring to accompanying drawing, 1 among the figure is locating rack, and 1-1 is the angle steel of locating rack, and 1-2 is the batten plate of locating rack, and 1-3 is the connection holes of locating rack bottom; The 2nd, easy unloading type latch, 2-1 are bolt rods, and 2-2 is a plug housing, and 2-3 is a turning cylinder; 2-4 is a draw ring, and 2-5 is anti-play boss, the 3rd, support steel post, and 3-1 is the angle steel that supports steel post; 3-2 is the batten plate that supports steel post, and 3-3 is the connection holes that supports steel post top, the 4th, and reinforcing cage, the 5th, a hole.
Underground overlength of the present invention supports the steel post locating rack; Its locating rack 1 is welded by 4 angle steel 1-1 and batten plate 1-2; The inner side edge of said locating rack 1 is than the big 2～10mm of outer side edges that supports steel post 3; Locating rack 1 bottom is sleeved on supports steel post 3 outsides also with 2 connections of easy unloading type latch, and locating rack 1 top exceeds an aperture and calibrated back fixedly is lifted on the mouth in a hole 5.Its structure is as depicted in figs. 1 and 2.
In order under the situation of not cutting the earth, to take out locating rack 1; Said easy unloading type latch 2 comprises plug housing 2-2 and 2 bolt rod 2-1; Said 2 bolt rod 2-1 rear ends are contained in the plug housing below through turning cylinder 2-3 respectively and also can rotate along turning cylinder 2-3, and plug housing 2-2 is provided with draw ring 2-4.Its structure is as shown in Figure 3.
In order to prevent that the easy unloading type latch from skidding off from connection holes; Can on 2 bolt rod 2-1, be respectively equipped with anti-play boss 2-5; In order to prevent that the easy unloading type latch from rotating in connection holes; Can be square, strip etc. with waist shape bar or the cross section that bolt rod 2-1 is designed to anti-rotation, the shape of connection holes is corresponding with bolt rod to get final product.
For the ease of the capital absolute altitude of adjustment support steel post, said locating rack is provided with length mark.
In order to improve the coaxial performance of locating rack 1 and support steel post 3, locating rack 1 bottom is nested into support steel post top should be not less than 500mm, and for the ease of the capital absolute altitude of measuring and calculating support steel post 3, locating rack 1 upper end can exceed about 500 mm in an aperture.
During operation, behind pouring pile hole and clear hole, carry out laying of reinforcing cage 4 earlier, should guarantee when transferring reinforcing cage that it is concentric with stake hole 5, vertically transfer.When treating that 2m is transferred apart from ground at reinforcing cage 4 tops, be fixed on the board.To support steel post 3 integral lifting with the 50t crawler crane again, when supporting steel post 3 and hang in reinforcing cage 4 in 3m, it is integrally welded to support steel post 3 and reinforcing cage 4, will support steel post then and reinforcing cage together descends., support steel post top is fixed on steel post on the board when disembarking 1 meter left and right sides of platform; Then locating rack 1 bottom is sleeved on and supports steel post 3 outsides also with 2 connections of easy unloading type latch; After should noting inserting 2 bolt rods in the connection holes respectively when easy unloading type latch 2 connects; Need plug housing 2-2 is pressed into 2 bolt rod 2-1 and become in-line, as shown in Figure 3, and then with locating rack 1 with support steel post 3 and together continue decline with reinforcing cage 4; Fixedly be lifted on the mouth in a hole 5 near stake aperture and calibrated back up to locating rack 1 top, as shown in Figure 1.At this moment; Because of supporting the pulling force that downward gravity of steel post 3 and locating rack 1 make progress; Make plug-in mounting support bolt rod among the connection holes 1-3 of connection holes 3-3 and locating rack bottom on steel post top and bear a kind of front end power that the rear end rotates that makes progress; But the power that 2 bolt rod 2-1 rear ends rotate respectively can't be rotated because of the effect of plug housing 2-2, makes locating rack 1 can will support steel post 3 and following reinforcing cage 4 thereof etc. and firmly slings.Because easy unloading type latch 2 is contained in the dual-side that supports in the steel post 3, do not influence again the concrete construction of carrying out in the foundation ditch.After the concrete pouring in accomplishing foundation ditch; Support steel post etc. all is fixed motionless; Locating rack is become flexible to end earlier; Can upwards draw plug housing 2-2 with drag hook or stay cord through draw ring 2-4 from locating rack is suitable for reading, in locating rack 1, take out easily after can 2 bolt rod 2-1 being extracted out from connection holes 1-3 and 3-3.Can under situation about need not cut the earth, take out locating rack at last and reuse.
Claims (2)
1. a underground overlength supports the steel post locating rack; Said locating rack is welded by 4 angle steel and batten plate; The inner side edge of said locating rack is than the big 2～10mm of outer side edges that supports steel post; The locating rack bottom is sleeved on supports the steel post outside also with the connection of easy unloading type latch, and locating rack top exceeds an aperture and calibrated back fixedly is lifted on the aperture, it is characterized in that said easy unloading type latch comprises plug housing and 2 bolt rods; Said 2 bolt rod rear ends are contained in plug housing below and rotation down vertically through turning cylinder respectively, and plug housing is provided with draw ring.
2. underground according to claim 1 overlength supports the steel post locating rack, it is characterized in that being respectively equipped with on said 2 bolt rods anti-play boss, and bolt rod is designed to the waist shape bar of anti-rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110006697XA CN102121247B (en) | 2011-01-13 | 2011-01-13 | Locating frame of underground ultra-long support steel upright |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110006697XA CN102121247B (en) | 2011-01-13 | 2011-01-13 | Locating frame of underground ultra-long support steel upright |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102121247A CN102121247A (en) | 2011-07-13 |
| CN102121247B true CN102121247B (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110006697XA Active CN102121247B (en) | 2011-01-13 | 2011-01-13 | Locating frame of underground ultra-long support steel upright |
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| CN (1) | CN102121247B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515040A (en) * | 2011-11-30 | 2012-06-27 | 郑州市长城机器制造有限公司 | Counterweight block component and tower crane with counterweight block component |
| CN103046542B (en) * | 2012-12-04 | 2015-09-30 | 中建三局建设工程股份有限公司 | Deep foundation pit inner support steel tube column and cast-in-place concrete pile construction technology simultaneously |
| CN104358262A (en) * | 2014-09-29 | 2015-02-18 | 中国建筑第八工程局有限公司 | Detachable tool type deep foundation pit inner support guide pillar and construction method |
| CN106592609B (en) * | 2017-01-03 | 2018-10-02 | 中铁隆工程集团有限公司 | A kind of operating method for placing lattice column in deep well |
| CN109895045A (en) * | 2019-04-29 | 2019-06-18 | 中信戴卡股份有限公司 | A kind of lifting workbench |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5669736A (en) * | 1995-11-13 | 1997-09-23 | Lin; Chien-Hsin | Multi-level support cast foundation resist pile |
| CN101280560A (en) * | 2008-05-15 | 2008-10-08 | 广州市建筑集团有限公司 | Lattice pillar component and mounting method thereof |
| CN101294384A (en) * | 2008-07-01 | 2008-10-29 | 北京住总集团有限责任公司 | Pile, pole interface positioning device and construction method |
| CN201952803U (en) * | 2011-01-13 | 2011-08-31 | 中建八局第三建设有限公司 | Positioning frame for underground overlong support steel upright post |
-
2011
- 2011-01-13 CN CN201110006697XA patent/CN102121247B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5669736A (en) * | 1995-11-13 | 1997-09-23 | Lin; Chien-Hsin | Multi-level support cast foundation resist pile |
| CN101280560A (en) * | 2008-05-15 | 2008-10-08 | 广州市建筑集团有限公司 | Lattice pillar component and mounting method thereof |
| CN101294384A (en) * | 2008-07-01 | 2008-10-29 | 北京住总集团有限责任公司 | Pile, pole interface positioning device and construction method |
| CN201952803U (en) * | 2011-01-13 | 2011-08-31 | 中建八局第三建设有限公司 | Positioning frame for underground overlong support steel upright post |
Non-Patent Citations (6)
| Title |
|---|
| 夏峰海 |
| 孙家齐 |
| 李春彬 |
| 田胜祥.灌注桩中内插超长支撑钢立柱安装的施工技术.《建筑施工》.2010,第32卷(第6期),486－487. |
| 胡占东 |
| 胡占东;夏峰海;李春彬;孙家齐;田胜祥.灌注桩中内插超长支撑钢立柱安装的施工技术.《建筑施工》.2010,第32卷(第6期),486-487. * |
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| Publication number | Publication date |
|---|---|
| CN102121247A (en) | 2011-07-13 |
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Owner name: CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION CO. Free format text: FORMER OWNER: THE THIRD CONSTRUCTION CO., LTD. OF CHINA CONSTRUCTION EIGHTH BUREAU Effective date: 20130201 |
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Free format text: CORRECT: ADDRESS; FROM: 210046 NANJING, JIANGSU PROVINCE TO: 200122 PUDONG NEW AREA, SHANGHAI |
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Effective date of registration: 20130201 Address after: 200122 Pudong New Area Century Avenue, Shanghai, No. 27, layer 1568 Patentee after: China Construction Eighth Engineering Division Co., Ltd. Address before: Nanjing City, Jiangsu province 210046 Yao new Yao Road No. 18 Patentee before: The Third Construction Co., Ltd. of China Construction Eighth Bureau |