CN103410330B - Asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method - Google Patents

Asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method Download PDF

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Publication number
CN103410330B
CN103410330B CN201310297562.2A CN201310297562A CN103410330B CN 103410330 B CN103410330 B CN 103410330B CN 201310297562 A CN201310297562 A CN 201310297562A CN 103410330 B CN103410330 B CN 103410330B
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CN
China
Prior art keywords
steel truss
jack
crane
wire rope
steel
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CN201310297562.2A
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Chinese (zh)
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CN103410330A (en
Inventor
贾定祎
韩磊
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中铁三局集团有限公司
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Priority to CN201310297562.2A priority Critical patent/CN103410330B/en
Publication of CN103410330A publication Critical patent/CN103410330A/en
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Publication of CN103410330B publication Critical patent/CN103410330B/en

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Abstract

The invention belongs to the technical field of steel truss lifting, specifically a kind of asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method, solves the lifting problem of this kind of steel truss.It adopts jack, wire rope, crane and roof jack, the suspension centre connecting steel wire ropes of crane and jack one end of adjustable in length, and the other end of wire rope and jack is connected to steel truss; Roof jack is vertically arranged at inner below during steel truss overhead work attitude.Hanging method of the present invention is easy, applicable, cheap, convenient, safety, and each assembly can be recycled.

Description

Asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method

Technical field

The invention belongs to the technical field of steel truss lifting, be specifically related to a kind of asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method.

Background technology

For the lifting of asymmetric variable cross-section different curve extra-heavy duty type large span steel truss, also do not have ready-made method in prior art, and use the hanging method of conventional steel truss, complex steps, construction cost is very high, and poor stability.

Summary of the invention

The present invention, in order to solve the lifting problem of asymmetric variable cross-section different curve extra-heavy duty type large span steel truss, provides a kind of asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method.

The present invention adopts following technical scheme to realize:

Asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method, adopt jack, wire rope, crane and roof jack, the suspension centre connecting steel wire ropes of crane and jack one end of adjustable in length, the other end of wire rope and jack is connected to steel truss, and roof jack is vertically arranged at inner below during steel truss overhead work attitude;

Attitude when being in overhead work according to steel truss, determine crane hoisting point position, the tie point position of jack and wire rope and steel truss, jack between primary Calculation suspension centre to steel truss tie point and the length of wire rope, jack and wire rope are connected to steel truss, then slowly hoisting steel truss makes it just leave ground, adjustment jack length, attitude when making steel truss be in overhead work, slowly hang higher than steel truss job design height 0.3m again, before crane or backward move, then locus during work is fallen, the outer end of steel truss is connected in place with steel column concrete column and places restrictions on steel card, the inner lifting void of steel truss is placed on roof jack, the gross weight of whole steel truss is born by crane, be that non-stress can welded condition with roof jack link.

Various utensil used in the present invention is common instrument, as crane, wire rope, jack, combine during use, installation and removal are convenient, assemble according to designing requirement, just define asymmetric variable cross-section different curve extra-heavy duty type large span steel truss Lift-on/Lift-off System, be applicable to the lifting of various special type steel truss, can coordinate from different crane, availablely formerly stay rope.

Easy, applicable, cheap, convenient, safe, each assembly of hanging method of the present invention can be recycled.

Accompanying drawing explanation

Fig. 1 is schematic diagram of the present invention,

In figure: 1-jack, 2-wire rope, 3-crane, 4-roof jack, 5-steel truss, 6-steel core concrete column.

Detailed description of the invention

By reference to the accompanying drawings the specific embodiment of the present invention is described further.

Asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method, adopt jack 1, wire rope 2, crane 3 and roof jack 4, one end of the suspension centre connecting steel wire ropes 2 of crane 3 and the jack 1 of adjustable in length, the other end of wire rope 2 and jack 1 is connected to steel truss 5, and roof jack 4 is vertically arranged at inner below when steel truss 5 is in overhead work attitude;

Attitude when being in overhead work according to steel truss 5, determine crane 3 hoisting point position, the tie point position of jack 1 and wire rope 2 and steel truss 5, crane 3 hoisting point position is generally arranged along the center of gravity of steel truss, jack 1 between primary Calculation suspension centre to steel truss tie point and the length of wire rope 2, described computational methods, those skilled in the art can be known from existing geometry general knowledge, jack 1 and wire rope 2 are connected to steel truss, then slowly hoisting steel truss 5 makes it just leave ground, adjustment jack 1 length, attitude when making steel truss 5 be in overhead work, slowly hang higher than steel truss 5 job design height 0.3m again, before crane 3 or backward move, then locus during work is fallen, the outer end of steel truss 5 is connected in place with steel column concrete column 6 and places restrictions on steel card, the inner lifting void of steel truss is placed on roof jack 4, the gross weight of whole steel truss 5 is born by crane 3, be that non-stress can welded condition with roof jack 4 link.

Claims (1)

1. an asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method, it is characterized in that: adopt jack (1), wire rope (2), crane (3) and roof jack (4), one end of the suspension centre connecting steel wire ropes (2) of crane (3) and the jack (1) of adjustable in length, the other end of wire rope (2) and jack (1) is connected to steel truss (5), and roof jack (4) is vertically to the inner below be arranged at when steel truss (5) is in overhead work attitude;
Attitude when being in overhead work according to steel truss (5), determine crane (3) hoisting point position, the tie point position of jack (1) and wire rope (2) and steel truss (5), jack (1) between primary Calculation suspension centre to steel truss tie point and the length of wire rope (2), jack (1) and wire rope (2) are connected to steel truss, then slowly hoisting steel truss (5) makes it just leave ground, adjustment jack (1) length, attitude when making steel truss (5) be in overhead work, slowly hang higher than steel truss (5) job design height 0.3m again, front or the backward of crane (3) moves, then locus during work is fallen, the outer end of steel truss (5) is connected in place with steel column concrete column (6) and places restrictions on steel card, the inner lifting void of steel truss is placed on roof jack (4), the gross weight of whole steel truss (5) is born by crane (3), be that non-stress can welded condition with roof jack (4) link.
CN201310297562.2A 2013-07-16 2013-07-16 Asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method CN103410330B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310297562.2A CN103410330B (en) 2013-07-16 2013-07-16 Asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310297562.2A CN103410330B (en) 2013-07-16 2013-07-16 Asymmetric variable cross-section different curve extra-heavy duty type large span steel truss hanging method

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CN103410330A CN103410330A (en) 2013-11-27
CN103410330B true CN103410330B (en) 2016-04-20

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105971291B (en) * 2016-05-12 2018-03-06 中国华冶科工集团有限公司 A kind of hanging method of L-shaped space truss

Citations (3)

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Publication number Priority date Publication date Assignee Title
JPH04111829A (en) * 1990-08-30 1992-04-13 Shimizu Corp Method for constructing large-span roof
CN101988308A (en) * 2010-09-30 2011-03-23 中国华西企业有限公司 Non-support installation method of long-span spatial bolt ball steel reticulated shell dome
CN102953556A (en) * 2012-11-14 2013-03-06 中冶天工集团有限公司 Hoisting method for long-span asymmetrical rectangular spatial twisted pipe truss

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04111829A (en) * 1990-08-30 1992-04-13 Shimizu Corp Method for constructing large-span roof
CN101988308A (en) * 2010-09-30 2011-03-23 中国华西企业有限公司 Non-support installation method of long-span spatial bolt ball steel reticulated shell dome
CN102953556A (en) * 2012-11-14 2013-03-06 中冶天工集团有限公司 Hoisting method for long-span asymmetrical rectangular spatial twisted pipe truss

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"体育馆钢桁架制作与吊装施工";玉小冰等;《建筑技术》;20100228;第41卷(第2期);第129-131页 *
"某大型钢桁架吊装方案的计算与分析";纪花等;《长春工程学院学报(自然科学版)》;20130131;第14卷(第1期);第12-14页 *

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Effective date of registration: 20170628

Address after: 030006 Shanxi city of Taiyuan province Wu Cheng Dong Jie Nan Xiang, Xiaodian District No. 41

Co-patentee after: China Railway Third Engineering Co., Ltd.

Patentee after: Building Installation Engineering Co., Ltd., China Railway No.3 Bureau

Address before: 030001 Yingze street, Shanxi, No. 269, No.

Patentee before: China Railway Third Engineering Co., Ltd.

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