CN105317052A - Tower crane foundation bolt fixing method - Google Patents

Tower crane foundation bolt fixing method Download PDF

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Publication number
CN105317052A
CN105317052A CN201410334347.XA CN201410334347A CN105317052A CN 105317052 A CN105317052 A CN 105317052A CN 201410334347 A CN201410334347 A CN 201410334347A CN 105317052 A CN105317052 A CN 105317052A
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China
Prior art keywords
tower crane
supporting leg
stirrup
fixed
bolt fixing
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Granted
Application number
CN201410334347.XA
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Chinese (zh)
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CN105317052B (en
Inventor
黄银河
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MCC5 Group Shanghai Corp Ltd
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MCC5 Group Shanghai Corp Ltd
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Priority to CN201410334347.XA priority Critical patent/CN105317052B/en
Publication of CN105317052A publication Critical patent/CN105317052A/en
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Publication of CN105317052B publication Critical patent/CN105317052B/en
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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

A kind of tower crane bolt fixing means
Technical field
The present invention relates to a kind of installation of tower crane foundation built-in fitting, specifically, is a kind of tower crane bolt fixing means.
Background technology
The tower crane bolt embedment of current most of engineering all adopts traditional pre-buried mode, and when often occurring causing follow-up tower crane to install because pre-buried Process Precision controls deficiency, planeness cannot be installed not smoothly, causes unnecessary economic loss.
Therefore known tower crane bolt fixedly also exists above-mentioned all inconvenience and problem.
Summary of the invention
Object of the present invention, is to propose a kind of tower crane bolt fixing means improving tower crane bolt embedment installation accuracy.
For achieving the above object, technical solution of the present invention is:
A kind of tower crane bolt fixing means, is characterized in that comprising the following steps:
A, tower crane supporting leg fixed frame adopt and carry out processing and fabricating with standard section of tower crane same size steel, the length of supporting leg fixed frame and width are formed a complete production network according to standard section of tower crane size by manufacturer, temporary fixed time pre-buried for supporting leg, dismounting after tower crane concrete construction completes, recycles; Tower crane supporting leg fixed frame is rectangle, and each corner member in its corner all has three high-strength bolts to be flexibly connected by channel-section steel, and the longitudinal direction in horizontal plane is arranged in the adjustment direction of three high-strength bolts;
B, tower crane supporting leg bottom support stirrup adopt diameter 25mmII level reinforcing bar to carry out measurement according to tower crane supporting leg bottom size and manufacture, and manufactured size meets the enough support leg of stirrup surface layer;
C, the foundation pad that completes in concreting carry out surveying setting-out, snap the line setting-out is carried out to tower crane supporting leg installation site, the tower crane completed is supported stirrup be positioned over setting-out position and debug with level gauge, ensure that each tower crane supports stirrup surface and is in same level, lay bottom layer of the reinforcing steel net, for preventing stirrup off normal, stirrup and reinforcement foundation net are welded and fixed;
D, in advance 4 tower crane supporting legs and supporting leg fixed frame high-strength bolt to be assembled together, the fixed supporting leg assembled and supporting leg fixed frame entirety being hung in supporting leg supports on stirrup, carry out checking observation with level gauge, after meeting the requirements, stirrup and fixed supporting leg are carried out firm welding;
E, for ensureing that displacement does not appear in supporting leg lower concrete casting process, steel reinforcing frame being arranged to supporting leg bottom, adopting diameter 25mmII level reinforcing bar to carry out reinforcement of weld.
Tower crane bolt fixing means of the present invention can also be further achieved by the following technical measures.
Aforesaid method, around wherein said fixed supporting leg, reinforcing bar must not reduce design quantity or cut-out.
Aforesaid method, when the main muscle of reinforcing bar is had any problem by supporting leg around wherein said fixed supporting leg, allows main muscle to dodge.
Aforesaid method, the Concrete Filled rate around wherein said fixed supporting leg must reach more than 95%.
Aforesaid method, wherein said fixed supporting leg upper surface answers levelling, and flatness error is within 1/500.
After adopting technique scheme, tower crane bolt fixing means of the present invention has the following advantages:
1, tower crane bolt embedment installation accuracy is high, and construction technology is easy;
2, ensure that subsequent standards joint is installed smoothly, save financial expenditure;
3, construction cost is cheap, respond well after installing.
Accompanying drawing explanation
Fig. 1 is that the tower crane supporting leg of the embodiment of the present invention fixes facade structures schematic diagram;
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 plan view of the embodiment of the present invention.
In figure: 1 foundation frame stud, 2 basic arrangements of reinforcement, 3 foundation design of tower crane height, 4 supporting legs, 5 stirrups, 6 supporting leg bottom reinforcement bars reinforcing frames, 7 channel-section steels, 8 high-strength bolts, 9 supporting leg fixed frames.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
A kind of tower crane bolt fixing means, is characterized in that comprising the following steps:
Now refer to Fig. 1 and Fig. 4, Fig. 1 is that the tower crane supporting leg of the embodiment of the present invention fixes facade structures schematic diagram, and Fig. 4 is the supporting leg fixed frame plan view of the embodiment of the present invention.
A, as shown in the figure, described tower crane supporting leg fixed frame 9 adopts and carries out processing and fabricating with standard section of tower crane same size steel, the length of supporting leg fixed frame and width are formed a complete production network according to standard section of tower crane size by manufacturer, temporary fixed time pre-buried for supporting leg, dismounting after tower crane concrete construction completes, recycles; Tower crane supporting leg fixed frame is rectangle, each corner member in its corner all has three high-strength bolts to be flexibly connected by channel-section steel 7, the longitudinal direction in horizontal plane is arranged in the adjustment direction of three high-strength bolts, tower crane supporting leg fixed frame is set a roof beam in place and is all adopted M10.9 level high-strength bolt post side to be connected with column jointing gusset, with fine adjustment tower crane supporting leg fixed frame precision; Tower crane supporting leg fixed frame is provided with 12 M10.9 level high-strength bolts altogether.
B, Fig. 2 are the stirrup structural representation in Fig. 1, and as shown in the figure, described tower crane supporting leg bottom support stirrup 5 adopts diameter 25mmII level reinforcing bar to carry out measurement according to tower crane supporting leg bottom size and manufactures, and manufactured size meets the enough support leg of stirrup surface layer;
C, the foundation pad that completes in concreting carry out surveying setting-out, snap the line setting-out is carried out to tower crane supporting leg installation site, the tower crane completed is supported stirrup 5 be positioned over setting-out position and debug with level gauge, ensure that each tower crane supports stirrup surface and is in same level, lay bottom layer of the reinforcing steel net, for preventing stirrup off normal, stirrup and reinforcement foundation net are welded and fixed;
D, in advance 4 tower crane supporting legs 4 and supporting leg fixed frame high-strength bolt 8 to be assembled together, the fixed supporting leg 4 assembled and supporting leg fixed frame 9 entirety being hung in supporting leg supports on stirrup 5, carry out checking observation with level gauge, after meeting the requirements, stirrup and fixed supporting leg are carried out firm welding; Described fixed supporting leg 4 surrounding reinforcing bar must not reduce design quantity or cut-out; When the main muscle of described fixed supporting leg 4 surrounding reinforcing bar is had any problem by supporting leg, main muscle is allowed to dodge; Concrete Filled rate around described fixed supporting leg 4 must reach more than 95%; Described fixed supporting leg 4 upper surface answers levelling, and flatness error is within 1/500.
E, Fig. 3 are bottom reinforcement bars reinforcing frame 6 structural representation in Fig. 1, for ensureing that supporting leg lower concrete casting process does not occur displacement, arrange steel reinforcing frame to supporting leg bottom, adopt diameter 25mmII level reinforcing bar to carry out reinforcement of weld.
The present invention has substantive distinguishing features and significant technological progress, carrying out to the accuracy that tower crane bolt embedment is fixed controls tower crane bolt fixing means of the present invention, and pre-buried installation accuracy is high, and construction technology is easy, can ensure that subsequent standards joint is installed smoothly, save financial expenditure.
Tower crane bolt fixing means of the present invention is settled in community tower crane foundation construction engineering at Pingtan comprehensive test region Lan Cheng and is used, and construction method is simple, and with low cost, control accuracy is high, respond well after installing, and ensure that project is implemented smoothly.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.

Claims (5)

1. a tower crane bolt fixing means, is characterized in that comprising the following steps:
A, tower crane supporting leg fixed frame (9) adopt and carry out processing and fabricating with standard section of tower crane same size steel, the length of supporting leg fixed frame and width are formed a complete production network according to standard section of tower crane size by manufacturer, temporary fixed time pre-buried for supporting leg, dismounting after tower crane concrete construction completes, recycles; Tower crane supporting leg fixed frame is rectangle, and each corner member in its corner all has three high-strength bolts to be flexibly connected by channel-section steel (7), and the longitudinal direction in horizontal plane is arranged in the adjustment direction of three high-strength bolts;
B, tower crane supporting leg bottom support stirrup (5) adopt diameter 25mmII level reinforcing bar to carry out measurement according to tower crane supporting leg bottom size and manufacture, and manufactured size meets the enough support leg of stirrup surface layer;
C, the foundation pad that completes in concreting carry out surveying setting-out, snap the line setting-out is carried out to tower crane supporting leg installation site, the tower crane completed is supported stirrup (5) be positioned over setting-out position and debug with level gauge, ensure that each tower crane supports stirrup surface and is in same level, lay bottom layer of the reinforcing steel net, for preventing stirrup off normal, stirrup and reinforcement foundation net are welded and fixed;
D, in advance 4 tower crane supporting legs (4) and supporting leg fixed frame high-strength bolt (8) to be assembled together, the fixed supporting leg assembled (4) and supporting leg fixed frame (9) entirety being hung in supporting leg supports on stirrup (5), carry out checking observation with level gauge, after meeting the requirements, stirrup and fixed supporting leg are carried out firm welding;
E, for ensureing that displacement does not appear in supporting leg lower concrete casting process, steel reinforcing frame being arranged to supporting leg bottom, adopting diameter 25mmII level reinforcing bar to carry out reinforcement of weld.
2. tower crane bolt fixing means as claimed in claim 1, is characterized in that, described fixed supporting leg (4) around reinforcing bar must not reduce design quantity or cut-out.
3. tower crane bolt fixing means as claimed in claim 1, is characterized in that, when the main muscle of reinforcing bar is had any problem by supporting leg around described fixed supporting leg (4), allows main muscle to dodge.
4. tower crane bolt fixing means as claimed in claim 1, is characterized in that, described fixed supporting leg (4) Concrete Filled rate around must reach more than 95%.
5. tower crane bolt fixing means as claimed in claim 1, it is characterized in that, described fixed supporting leg (4) upper surface answers levelling, and flatness error is within 1/500.
CN201410334347.XA 2014-07-15 2014-07-15 Tower crane foundation bolt fixing method Active CN105317052B (en)

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Application Number Priority Date Filing Date Title
CN201410334347.XA CN105317052B (en) 2014-07-15 2014-07-15 Tower crane foundation bolt fixing method

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Application Number Priority Date Filing Date Title
CN201410334347.XA CN105317052B (en) 2014-07-15 2014-07-15 Tower crane foundation bolt fixing method

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CN105317052A true CN105317052A (en) 2016-02-10
CN105317052B CN105317052B (en) 2017-04-19

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105887920A (en) * 2016-04-30 2016-08-24 国家电网公司 Construction method for leveling top plate type master variable foundation through cross beam
CN105926662A (en) * 2016-04-30 2016-09-07 国家电网公司 Construction method of top plate type main transformer foundation
CN106287123A (en) * 2016-08-04 2017-01-04 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

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
邓国超等: "新兴内爬塔在高层结构施工中的综合应用", 《施工技术》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105887920A (en) * 2016-04-30 2016-08-24 国家电网公司 Construction method for leveling top plate type master variable foundation through cross beam
CN105926662A (en) * 2016-04-30 2016-09-07 国家电网公司 Construction method of top plate type main transformer foundation
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
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
CN106287123A (en) * 2016-08-04 2017-01-04 攀钢集团工程技术有限公司 Walking beam cooler fixed frame installs leveling method
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

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