CN105317052B - Tower crane foundation bolt fixing method - Google Patents
Tower crane foundation bolt fixing method Download PDFInfo
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- CN105317052B CN105317052B CN201410334347.XA CN201410334347A CN105317052B CN 105317052 B CN105317052 B CN 105317052B CN 201410334347 A CN201410334347 A CN 201410334347A CN 105317052 B CN105317052 B CN 105317052B
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- tower crane
- supporting leg
- stirrup
- supporting legs
- bolt fixing
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Abstract
A tower crane foundation bolt fixing method is characterized by including the following steps that firstly, a tower crane supporting leg fixing frame (9) is manufactured by machining steel materials of the same specification as those of tower crane standard knots; secondly, bottom supporting stirrup parts (5) of tower crane supporting legs are formed by reinforcing steel bars with the diameter of 25 mm according to the measured size of the bottoms of the tower crane supporting legs; thirdly, measurement and setting out are conducted on a foundation cushion layer where concrete pouring is completed, line-snapping setting out is conducted on the installation positions of the tower crane supporting legs, the manufactured tower crane supporting stirrup parts (5) are placed in the positions subjected to setting out, and adjustment is conducted through a level gauge; fourthly, the four tower crane supporting legs (4) and the supporting leg fixing frame are assembled through high-strength bolts (8) together in advance; fifthly, a reinforcing steel bar reinforcing frame is arranged on the lower portions of the supporting legs to ensure that no displacement happens in the concrete pouring process of the bottoms of the supporting legs. The method has the advantages that the tower crane foundation bolt embedment installation accuracy is high, the construction process is easy and convenient, the subsequent standard knot installation is smooth, the construction cost is low, and the installation effect is good.
Description
Technical field
The present invention relates to a kind of installation of tower crane foundation built-in fitting, is a kind of tower crane bolt specifically
Fixing meanss.
Background technology
The tower crane bolt embedment of current major part engineering adopts traditional pre-buried mode, Jing often to occur because of pre-buried mistake
Journey precision controlling is not enough and flatness not enough cannot be installed smoothly when causing follow-up tower crane to install, and causes unnecessary economic damage
Lose.
Therefore known tower crane bolt fix there are problems that above-mentioned a variety of inconvenience and.
The content of the invention
The purpose of the present invention, is to propose that a kind of tower crane bolt for improving tower crane bolt embedment installation accuracy is consolidated
Determine method.
For achieving the above object, technical solution of the invention is：
A kind of tower crane bolt fixing meanss, it is characterised in that comprise the following steps：
A, tower crane supporting leg fixed frame are adopted and are processed making with standard section of tower crane same size steel, supporting leg fixed frame
Length and width is formed a complete production network according to standard section of tower crane size by manufacturer, for supporting leg it is pre-buried when fix temporarily, tower
Hang and removed after the completion of base concrete construction, recycle；Tower crane supporting leg fixed frame be rectangle, each the angle structure in its corner
Part has three high-strength bolts to be flexibly connected by channel-section steel, and the direction that adjusts of three high-strength bolts is arranged to vertical in horizontal plane
To；
B, tower crane supporting leg bottom support stirrup to be surveyed according to tower crane supporting leg bottom size using diameter 25mmII levels reinforcing bar
Amount is manufactured, and manufactured size meets the enough support legs of stirrup surface layer；
C, on the blinding layer that concreting is completed surveying setting-out is carried out, snap the line is carried out to tower crane supporting leg installation site
Setting-out, the tower crane for completing support stirrup is positioned over setting-out position and is debugged with level gauge, it is ensured that each tower crane
Support stirrup surface is in same level, lays bottom layer of the reinforcing steel net, to prevent stirrup off normal, stirrup is carried out with reinforcement foundation net
It is welded and fixed；
D, 4 tower crane supporting legs and supporting leg fixed frame are assembled together with high-strength bolt in advance, by a fixation for assembling
Lower limb and supporting leg fixed frame are integrally hung in supporting leg and support on stirrup, are carried out checking observation with level gauge, after meeting the requirements by stirrup and
Fixed supporting leg carries out firm welding；
E, for ensure supporting leg lower concrete casting process occur without displacement, to supporting leg bottom arrange steel reinforcing frame, adopt
Reinforcement of weld is carried out with diameter 25mmII levels reinforcing bar.
The tower crane bolt fixing meanss of the present invention can also be further achieved by the following technical measures.
Aforesaid method, wherein reinforcing bar must not reduce design quantity or cut-out around the fixed supporting leg.
Aforesaid method, wherein when the cage bar of reinforcing bar is had any problem by supporting leg around the fixed supporting leg, it is allowed to which cage bar is kept away
Allow.
Aforesaid method, wherein the Concrete Filled rate around the fixed supporting leg must reach more than 95%.
Aforesaid method, wherein the fixed supporting leg upper surface answers levelling, flatness error is within 1/500.
After above-mentioned technical proposal, the tower crane bolt fixing meanss of the present invention have advantages below：
1st, tower crane bolt embedment installation accuracy is high, and construction technology is easy；
2nd, ensure that subsequent standards section is smoothly installed, save financial expenditure；
3rd, construction cost is cheap, works well after installation.
Description of the drawings
Fig. 1 fixes facade structures schematic diagram for the tower crane supporting leg of the embodiment of the present invention；
Fig. 2 is the stirrup structural representation in Fig. 1；
Fig. 3 is the bottom reinforcement bars reinforcing frame structural representation in Fig. 1；
Fig. 4 is the supporting leg fixed frame plane graph of the embodiment of the present invention.
In figure：1 basic bearing rod, 2 basic arrangements of reinforcement, 3 foundation design of tower crane height, 4 supporting legs, 5 stirrups, 6 supporting leg bottom steels
Muscle reinforcing frame, 7 channel-section steels, 8 high-strength bolts, 9 supporting leg fixed frames.
Specific embodiment
With reference to embodiments and its accompanying drawing to the present invention illustrate further.
Embodiment 1
A kind of tower crane bolt fixing meanss, it is characterised in that comprise the following steps：
Facade structures schematic diagram is fixed for the tower crane supporting leg of the embodiment of the present invention referring now to Fig. 1 and Fig. 4, Fig. 1, Fig. 4 is
The supporting leg fixed frame plane graph of the embodiment of the present invention.
A, as illustrated, the tower crane supporting leg fixed frame 9 with standard section of tower crane same size steel using being processed system
Make, the length and width of supporting leg fixed frame is formed a complete production network by manufacturer according to standard section of tower crane size, pre- for supporting leg
Fix temporarily when burying, remove after the completion of tower crane concrete construction, recycle；Tower crane supporting leg fixed frame is rectangle, and it four
Each corner member in angle has three high-strength bolts to be flexibly connected by channel-section steel 7, and the regulation direction of three high-strength bolts sets
The longitudinal direction being set in horizontal plane, tower crane supporting leg fixed frame is set a roof beam in place and connected using M10.9 level high-strength bolt posts side with column connected node
Connect, with accurate adjustment tower crane supporting leg fixed frame precision；Tower crane supporting leg fixed frame is provided with altogether 12 M10.9 level high-strength bolts.
B, Fig. 2 are the stirrup structural representation in Fig. 1, as illustrated, the tower crane supporting leg bottom supports stirrup 5 using straight
25mmII levels reinforcing bar in footpath is measured according to tower crane supporting leg bottom size and manufactured, and manufactured size meets stirrup surface layer and supports enough and props up
Lower limb；
C, on the blinding layer that concreting is completed surveying setting-out is carried out, snap the line is carried out to tower crane supporting leg installation site
Setting-out, the tower crane for completing support stirrup 5 is positioned over setting-out position and is debugged with level gauge, it is ensured that each tower crane
Support stirrup surface is in same level, lays bottom layer of the reinforcing steel net, to prevent stirrup off normal, stirrup is carried out with reinforcement foundation net
It is welded and fixed；
D, 4 supporting legs 4 are assembled together with supporting leg fixed frame high-strength bolt 8 in advance, by the supporting leg 4 for assembling and
The overall supporting leg that is hung in of lower limb fixed frame 9 is supported on stirrup 5, is carried out checking observation with level gauge, by stirrup and supporting leg after meeting the requirements
Carry out firm welding；The surrounding reinforcing bar of the supporting leg 4 must not reduce design quantity or cut-out；The master of the surrounding reinforcing bar of the supporting leg 4
When muscle is had any problem by supporting leg, it is allowed to which cage bar is avoided；Concrete Filled rate around the supporting leg 4 must reach more than 95%；Institute
State the upper surface of supporting leg 4 and answer levelling, flatness error is within 1/500.
E, Fig. 3 are the structural representation of bottom reinforcement bars reinforcing frame 6 in Fig. 1, are to ensure supporting leg lower concrete casting process
Displacement is occurred without, steel reinforcing frame is arranged to supporting leg bottom, reinforcement of weld is carried out using diameter 25mmII levels reinforcing bar.
The present invention has substantive distinguishing features and significant technological progress, and the tower crane bolt fixing meanss of the present invention are to tower
The accuracy for hanging anchor bolt pre-buried fixation is controlled, and pre-buried installation accuracy is high, and construction technology is easy, it is ensured that follow-up
Standard knot is smoothly installed, and saves financial expenditure.
The tower crane bolt fixing meanss of the present invention are in Pingtan comprehensive test region Lan Cheng placement cell tower crane foundation constructions
Use in engineering, construction method is simple, with low cost, control accuracy is high, works well after installation, it is ensured that project is smoothly real
Apply.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalents
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (5)
1. a kind of tower crane bolt fixing meanss, it is characterised in that comprise the following steps：
A, tower crane supporting leg fixed frame（9）Making is processed using with standard section of tower crane same size steel, supporting leg fixed frame
Length and width is formed a complete production network according to standard section of tower crane size by manufacturer, for supporting leg it is pre-buried when fix temporarily, tower
Hang and removed after the completion of base concrete construction, recycle；Tower crane supporting leg fixed frame be rectangle, each the angle structure in its corner
Part has three high-strength bolts to pass through channel-section steel（7）It is flexibly connected, the direction that adjusts of three high-strength bolts is arranged in horizontal plane
Longitudinal direction；
B, tower crane supporting leg bottom support stirrup（5）Measured according to tower crane supporting leg bottom size using diameter 25mmII levels reinforcing bar
Manufacture, manufactured size meets the enough support legs of stirrup surface layer；
C, on the blinding layer that concreting is completed surveying setting-out is carried out, snap the line is carried out to tower crane supporting leg installation site and is put
Sample, by the tower crane for completing stirrup is supported（5）It is positioned over setting-out position and is debugged with level gauge, it is ensured that each tower crane
Support stirrup surface is in same level, lays bottom layer of the reinforcing steel net, to prevent stirrup off normal, stirrup is carried out with reinforcement foundation net
It is welded and fixed；
D, in advance by 4 supporting legs（4）With supporting leg fixed frame high-strength bolt（8）It is assembled together, by the supporting leg for assembling（4）With
Supporting leg fixed frame（9）Entirety is hung in supporting leg and supports stirrup（5）On, carried out checking observation with level gauge, by stirrup after meeting the requirements
Firm welding is carried out with fixed supporting leg；
E, to ensure that supporting leg lower concrete casting process occurs without displacement, steel reinforcing frame is arranged to supporting leg bottom, using straight
Footpath 25mmII levels reinforcing bar carries out reinforcement of weld.
2. tower crane bolt fixing meanss as claimed in claim 1, it is characterised in that the supporting leg（4）Surrounding reinforcing bar is not
Design quantity or cut-out must be reduced.
3. tower crane bolt fixing meanss as claimed in claim 1, it is characterised in that the supporting leg（4）Surrounding reinforcing bar
When cage bar is had any problem by supporting leg, it is allowed to which cage bar is avoided.
4. tower crane bolt fixing meanss as claimed in claim 1, it is characterised in that the supporting leg（4）The coagulation of surrounding
Native filling rate must reach more than 95%.
5. tower crane bolt fixing meanss as claimed in claim 1, it is characterised in that the supporting leg（4）Upper surface should school
Level, flatness error be 1/500 within.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334347.XA CN105317052B (en) | 2014-07-15 | 2014-07-15 | Tower crane foundation bolt fixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334347.XA CN105317052B (en) | 2014-07-15 | 2014-07-15 | Tower crane foundation bolt fixing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105317052A CN105317052A (en) | 2016-02-10 |
| CN105317052B true CN105317052B (en) | 2017-04-19 |
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|---|---|---|---|
| CN201410334347.XA Active CN105317052B (en) | 2014-07-15 | 2014-07-15 | Tower crane foundation bolt fixing method |
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Families Citing this family (6)
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| CN105887920B (en) * | 2016-04-30 | 2018-01-05 | 国家电网公司 | A kind of construction method of top plate type main transformer foundation using crossbeam smoothing |
| CN105926662B (en) * | 2016-04-30 | 2017-10-13 | 国家电网公司 | A kind of construction method of top plate type main transformer foundation |
| CN106287123B (en) * | 2016-08-04 | 2018-07-27 | 攀钢集团工程技术有限公司 | Walking beam cooler fixed frame installs leveling method |
| CN108843115A (en) * | 2018-07-06 | 2018-11-20 | 中国二十二冶集团有限公司 | The construction method that Fast Installation tower crane stabilizer blade accurately levels |
| CN112723190A (en) * | 2020-12-31 | 2021-04-30 | 江阴建禾钢品有限公司 | A basic base for tower crane steel construction |
| CN115324099B (en) * | 2022-09-14 | 2023-06-20 | 徐州建机工程机械有限公司 | Combined universal foundation and installation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60168824A (en) * | 1984-02-09 | 1985-09-02 | Hitachi Plant Eng & Constr Co Ltd | Installer for base metals of large-size apparatus |
| JP2002332645A (en) * | 2001-05-08 | 2002-11-22 | Nkk Corp | Foundation structure of rail for ground-traveling crane and laying method for foundation |
| CN2751072Y (en) * | 2004-11-29 | 2006-01-11 | 北京城建五建设工程有限公司 | Positioning frame for tower crane footing |
| CN202672178U (en) * | 2012-07-25 | 2013-01-16 | 山西六建集团有限公司 | Device for locating tower crane base |
| CN103485359A (en) * | 2013-09-12 | 2014-01-01 | 山东中文实业集团有限公司 | Tower crane base positioning device |
-
2014
- 2014-07-15 CN CN201410334347.XA patent/CN105317052B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60168824A (en) * | 1984-02-09 | 1985-09-02 | Hitachi Plant Eng & Constr Co Ltd | Installer for base metals of large-size apparatus |
| JP2002332645A (en) * | 2001-05-08 | 2002-11-22 | Nkk Corp | Foundation structure of rail for ground-traveling crane and laying method for foundation |
| CN2751072Y (en) * | 2004-11-29 | 2006-01-11 | 北京城建五建设工程有限公司 | Positioning frame for tower crane footing |
| CN202672178U (en) * | 2012-07-25 | 2013-01-16 | 山西六建集团有限公司 | Device for locating tower crane base |
| CN103485359A (en) * | 2013-09-12 | 2014-01-01 | 山东中文实业集团有限公司 | Tower crane base positioning device |
Non-Patent Citations (1)
| Title |
|---|
| 新兴内爬塔在高层结构施工中的综合应用;邓国超等;《施工技术》;20060618;第35卷(第6期);第96-99页 * |
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|---|---|
| CN105317052A (en) | 2016-02-10 |
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