CN106522262B - The construction method of the parallel cross combined girder steel tower crane of steel structural roof - Google Patents
The construction method of the parallel cross combined girder steel tower crane of steel structural roof Download PDFInfo
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- CN106522262B CN106522262B CN201610967085.XA CN201610967085A CN106522262B CN 106522262 B CN106522262 B CN 106522262B CN 201610967085 A CN201610967085 A CN 201610967085A CN 106522262 B CN106522262 B CN 106522262B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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Abstract
The invention discloses the steel structural roof construction methods of parallel cross combined girder steel tower crane, the parallel cross combined girder steel tower crane of the steel structural roof includes the cross steelframe for being equipped with tower crane and the parallel chassis for being fixedly installed in steel plate wall, and cross steelframe includes the first girder steel and the second girder steel of cross-fixing connection；The two sides of first girder steel have symmetrically split first support bar, and one end of first support bar is articulated with the first girder steel, and the other end of first support bar is articulated with tower crane；The two sides of second girder steel have symmetrically split second support bar, and one end of second support bar is articulated with the second girder steel, and the other end of second support bar is articulated with tower crane；Parallel chassis includes two foundation beams, and the first girder steel is fixed in the side of bottom beam, and the second girder steel is fixed in the other side of bottom beam；Two bottom beams are arranged in parallel and the two sides of be symmetrically placed in first girder steel and the second girder steel infall.Uniform force when of the invention its can be such that cross steelframe is mounted on steel plate wall, and improve stability.
Description
Technical field
The present invention relates to the steel structural roof construction methods of parallel cross combined girder steel tower crane.
Background technique
With the rapid development of building construction technology, high-rise and building is come into being like the mushrooms after rain, skyscraper glass
Glass curtain wall external decoration also emerges one after another.The installment work of curtain wall is carried out using derrick crane lifting glass curtain wall, and for state
Family's realization " green construction " offer New Technical Condition, the cross parallel chassis of tower crane multiselect of tower crane, but due to all steel
The bearing point of the offer of structural construction roofing only has steel plate wall, but has the ratio with the horizontal span of steel plate wall and longitudinal span
Gap is larger, when cross steelframe is directly installed on steel plate wall, will lead to the span in length and breadth of cross than one with steel plate wall
Sample, but because tower crane limitation, only the span of steel plate wall than it is equidistant when, the stress of cross steelframe could balance, thus will
When cross is directly installed on steel plate wall, two connecting nodes that cross chassis is connect positioned at the same side with girder steel frame are not mutually right
Claim, easily leads to the unbalance stress of cross steelframe, and stability is poor.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide the parallel crosses of steel structural roof to combine steel
The construction method of beam tower crane.
The purpose of the present invention is implemented with the following technical solutions：
The construction method of the parallel cross combined girder steel tower crane of steel structural roof, the parallel cross group of steel structural roof
Closing girder steel tower crane includes that top is equipped with the cross steelframe of tower crane and below cross steelframe and is fixedly installed in steel plate
The parallel chassis of wall, the cross steelframe include the first girder steel and the second girder steel of cross-fixing connection；First girder steel
Two sides have symmetrically split first support bar, and one end of first support bar is articulated with the first girder steel, the first support bar it is another
End is articulated with tower crane；The two sides of second girder steel have symmetrically split second support bar, and one end of second support bar is articulated with
The other end of two girder steels, the second support bar is articulated with tower crane；The parallel chassis include two foundation beams, the one of the bottom beam
The first girder steel is fixed in side, and the second girder steel is fixed in the other side of the bottom beam；Two bottom beams are arranged in parallel and symmetrically split
In the two sides of first girder steel and the second girder steel infall；Include the following steps：
S1. cross steelframe is made using the first girder steel and the second girder steel cross-fixing；
S2., tower crane is fixedly mounted on to the top of the cross steelframe；
S3. first support bar is respectively set in the two sides of the first girder steel, one end of first support bar is hinged on the first steel
The corresponding side of beam, the other end of first support bar is hinged on tower crane；Second is respectively set in the two sides of the second girder steel
One end of second support bar is hinged on the corresponding side of the second girder steel, the other end of second support bar is hinged on tower by strut
It hangs on；
S4. two foundation beams of parallel chassis are placed on the lower section of cross steelframe, and two foundation beams is arranged in parallel and right
Claim the two sides of first girder steel and the second girder steel infall of being placed in；
S5. the side of every foundation beam is fixed on the first girder steel, the other side of every foundation beam is fixed on the second girder steel
On；
S6. parallel chassis is fixed on steel plate wall.
Preferably, the first support bar has first connecting portion, the first girder steel tool close to one end of the first girder steel
There are two first mounting portions being arranged in a one-to-one correspondence with two first connecting portions；The first connecting portion and corresponding first installation
Portion passes through the first pin shaft pin joint；The second support bar has second connecting portion, second steel close to one end of the second girder steel
Beam has two second mounting portions being arranged in a one-to-one correspondence with two second connecting portions；The second connecting portion and corresponding described second
Mounting portion passes through the second pin shaft pin joint.
Preferably, the first stiffener plate is fixed between the tower crane and first girder steel；The tower crane and described
The second stiffener plate is fixed between two girder steels.
Preferably, the two sides of each bottom beam have symmetrically split pressing plate, further include being correspondingly arranged and being fixed on pressing plate
The bracket of steel plate wall, the bracket are fixedly connected in such a way that the first high-strength bolt connects with the pressing plate；The pressing plate and
The bracket is matched for clamping tightly the bottom beam.
Preferably, pad is equipped with thick steel plate between the bottom beam and steel plate wall.
Preferably, first girder steel includes the two connection girder steels being fixedly connected, two connection girder steels one end close to each other
Offer the inserting hole being mutually aligned；Second girder steel, which passes through two inserting holes and fixes with the two connection girder steels, to be connected
It connects.
Preferably, ribbed stiffener is fixedly connected between first girder steel and connection girder steel.
Preferably, each connection girder steel is opened up there are four plug-in opening, is inserted described in the every two of the connection girder steel
Two plug-in openings of Kong Weiyi group, every group of girder steel of the connection are sequentially arranged at intervals along the short transverse of connection girder steel, institute
Two groups of plug-in openings for stating connection girder steel are sequentially arranged at intervals along connection girder steel extending direction and the inserting hole that is symmetrically placed in
Two sides.
Compared with prior art, the beneficial effects of the present invention are：The present invention is parallel and right by two bottom beams of parallel chassis
Claim the two sides of cross steelframe of being placed in, four connecting nodes of parallel chassis and cross steelframe are symmetrical, make cross steelframe by
Power is uniform, then parallel chassis is fixed on steel plate wall, thus uniform force when cross steelframe being enable to be mounted on steel plate wall, and
Improve its stability；Meanwhile the bottom beam of parallel chassis need to be only arranged perpendicular to the girder steel of steel plate wall, without calculating steel plate
The central point of wall, do not need yet extend cross steelframe length, can be directly mounted on steel plate wall, make its stress with and mention
Its high stability.Furthermore generating pulling force to first support bar or second support bar by the first girder steel or the second girder steel keeps its right
Tower crane generates stress, to reduce the moment of flexure born in the middle part of the parallel chassis of cross, increases this steel structural roof in parallel
The structural redundancy of cross combined girder steel tower crane, and then improve the safety that structure uses.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the parallel cross combined girder steel tower crane of steel structural roof of the present invention；
Fig. 2 is the steel structural roof of the present invention parallel chassis of parallel cross combined girder steel tower crane and the knot of steel plate wall
Structure schematic diagram；
Fig. 3 is cross steelframe and the parallel chassis of the parallel cross combined girder steel tower crane of steel structural roof of the present invention
Structural schematic diagram；
Fig. 4 is the top view of the parallel cross combined girder steel tower crane of steel structural roof of the present invention；
Fig. 5 is the flow chart of the steel structural roof of the present invention construction method of parallel cross combined girder steel tower crane.
In figure：1, cross steelframe；11, the first girder steel；111, girder steel is connected；1111, plug-in opening；1112, inserting hole；12,
Second girder steel；2, parallel chassis；21, bottom beam；3, first support bar；41, the first mounting portion；42, first connecting portion；6, first adds
Strengthening tendons plate；71, pressing plate；72, bracket；73, the first high-strength bolt；8, thick steel plate；9, steel plate wall；10, tower crane.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention：
As shown in Figs 1-4, steel structural roof is equipped with tower crane with parallel 10 basis of cross combined girder steel tower crane, including top
10 cross steelframe 1 with positioned at the lower section of cross steelframe 1 and be fixedly installed in the parallel chassis 2 of steel plate wall 9, the cross steelframe 1
The first girder steel 11 and the second girder steel 12 including cross-fixing connection；The two sides of first girder steel 11 have symmetrically split first
Strut 3, one end of first support bar 3 are articulated with the first girder steel 11, and the other end of the first support bar 3 is articulated with tower crane 10；
The two sides of second girder steel 12 have symmetrically split second support bar, and one end of second support bar is articulated with the second girder steel 12, institute
The other end for stating second support bar is articulated with tower crane 10；The parallel chassis 2 includes two foundation beams 21, the side of the bottom beam 21
It is fixed on the first girder steel 11, the second girder steel 12 is fixed in the other side of the bottom beam 21；Two bottom beams 21 are arranged in parallel and right
Claiming the two sides of first girder steel 11 and 12 infall of the second girder steel of being placed in, tower crane 10 is fixed on cross steelframe 1, and ten
Word steelframe 1 is fixedly connected with parallel chassis 2, and parallel chassis 2 is fixed on steel plate wall 9, after being installed, the masterpiece of tower crane 10
Used in cross steelframe 1 and it is transferred to parallel chassis 2 and steel plate wall 9, the present invention is parallel by two bottom beams 21 and is symmetrically placed in ten
Two sides of word steelframe 1, and the angle of cross steelframe is 90 °, so that four of parallel chassis 2 and cross steelframe 1 connects and save mutually
Symmetrically, make 1 uniform force of cross steelframe, then parallel chassis 2 is fixed on steel plate wall 9, so that cross steelframe 1 be made to be mounted on steel
Energy uniform force when on board wall 9, and improve its stability；Simultaneously as the branch that cross steelframe 1 is only provided by parallel chassis 2
Support force, therefore 1 middle part stress of cross steelframe is larger and substantially without support, the present invention pass through first support bar 3 or second support bar, the
The relationship mutually restricted is formed between one girder steel 11 or the second girder steel 12 and tower crane 10, passes through the first girder steel 11 or the second girder steel 12
Generating pulling force to first support bar 3 or second support bar makes it generate stress to tower crane 10, to reduce the parallel bottom of cross
The moment of flexure born in the middle part of frame 2 increases this steel structural roof structural redundancy of parallel cross combined girder steel tower crane, and
Each node and each component all pass through checking computations, and then improve the safety that structure uses.
Preferably, the first support bar 3 has first connecting portion 42, first steel close to one end of the first girder steel 11
Beam 11 has two first mounting portions 41 being arranged in a one-to-one correspondence with two first connecting portions 42；The first connecting portion 42 and corresponding
First mounting portion 41 passes through the first pin shaft pin joint；The second support bar has the second connection close to one end of the second girder steel 12
Portion, second girder steel 12 have two second mounting portions being arranged in a one-to-one correspondence with two second connecting portions；The second connecting portion
It can discharge girder steel by way of pin joint by the second pin shaft pin joint with corresponding second mounting portion and be connect with support rod
The moment of flexure of node, further increases security performance, prolongs the service life.
The first stiffener plate 6 is fixed between the tower crane 10 and first girder steel 11；The tower crane 10 and described
It is fixed with the second stiffener plate between two girder steels 12, reinforces the stability connected between tower crane 10 and cross steelframe 1.
Power is transferred on steel plate wall 9 after 2 stress of parallel chassis, and at the connecting node of parallel chassis 2 and steel plate wall 9
Stress is larger, it is preferred that the two sides of each bottom beam 21 of the parallel cross combined girder steel tower crane of this steel structural roof are equal
Pressing plate 71 symmetrically has been split, has further included the bracket 72 that steel plate wall 9 is correspondingly arranged and be fixed on pressing plate 71, bracket 72 passes through first
The mode that high-strength bolt 73 connects is fixedly connected with pressing plate 71；The pressing plate 71 and the bracket 72 are matched for clamping tightly the bottom beam
21, the cooperation of pressing plate 71, the first high-strength bolt 73 and bracket 72 is stably connected with the two, and bracket 72 also improves parallel chassis
2 with the rigidity of the connecting node of steel plate wall 9, greatly improve the stability of parallel chassis 2 and steel plate wall 9.
Preferably, pad is equipped with thick steel plate 8 between the bottom beam 21 and steel plate wall 9, contacts bottom beam 21 not with bracket 72, from
And it ensure that the safety of bracket 72.
First girder steel 11 of the parallel cross combined girder steel tower crane of this steel structural roof is fixedly connected including two
Connection girder steel 111, two connection girder steels 111 one end close to each other offer the inserting hole 1112 being mutually aligned；Described
Two girder steels 12 are passed through and two inserting holes 1112 and are fixedly connected with the two connection girder steels 111, the first girder steel 11 of simplification and the
The installation procedure of two girder steels 12.In order to further reinforce cross steelframe 1 intersection stability, due to first girder steel 11
It is fixedly connected with ribbed stiffener between connection girder steel 111, strengthen the first girder steel 11 and connects the rigid of 111 connecting node of girder steel
Property, and can further resist torque when tower crane 10 rotates to cross steelframe 1.
Each connection girder steel 111 is opened up there are four plug-in opening 1111, is inserted described in the every two of the connection girder steel 111
Filling hole 1111 is one group, and two plug-in openings 1111 of 111 every groups of girder steel of the connection are along the short transverse for connecting girder steel 111
It is sequentially arranged at intervals, two groups of plug-in openings 1111 of the connection girder steel 111 are sequentially arranged at intervals along connection 111 extending direction of girder steel
And the two sides for the inserting hole 1112 that is symmetrically placed in.The moment of flexure of the infall receiving of cross steelframe 1, torque in use
It is larger with shearing, shearing and torque are resisted by using the second high-strength bolt, improves the stabilization of the intersection of cross steelframe 1, into
One step improves the safety that structure uses, meanwhile, using multiple high-strength bolts, the effect of torque resistant and shearing can be improved, is reinforced
Stability, and by force analysis, the requirement for resisting torque and intensity of shear is able to satisfy using four the second high-strength bolts.
The mode of welding can be used in ribbed stiffener and stiffener plate in the present invention.
As shown in Figure 5, the applying with parallel cross combined girder steel tower crane the invention also discloses above-mentioned steel structural roof
Work method, includes the following steps：
S1. cross steelframe 1 is made using the first girder steel 11 and 12 cross-fixing of the second girder steel；
S2., tower crane 10 is fixedly mounted on to the top of the cross steelframe 1；
S3. first support bar 3 is respectively set in the two sides of the first girder steel 11, one end of first support bar 3 is hinged on
The corresponding side of one girder steel 11, the other end of first support bar 3 is hinged on tower crane 10；Distinguish in the two sides of the second girder steel 12
Second support bar is set, one end of second support bar is hinged on the corresponding side of the second girder steel 12, by the another of second support bar
One end is hinged on tower crane 10；
S4. two foundation beams 21 of parallel chassis 2 are placed on the lower section of cross steelframe 1, and set two foundation beams 21 in parallel
It sets and the two sides of be symmetrically placed in first girder steel 11 and 12 infall of the second girder steel；
S5. the side of every foundation beam 21 is fixed on the first girder steel 11, the other side of every foundation beam 21 is fixed on
On two girder steels 12；
S6. parallel chassis 2 is fixed on steel plate wall 9.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (8)
1. the steel structural roof construction method of parallel cross combined girder steel tower crane, which is characterized in that steel structural roof is used
Parallel cross combined girder steel tower crane includes that top is equipped with the cross steelframe of tower crane and is located at below cross steelframe and fixed
It is installed on the parallel chassis of steel plate wall, the cross steelframe includes the first girder steel and the second girder steel of cross-fixing connection；It is described
The two sides of first girder steel have symmetrically split first support bar, and one end of first support bar is articulated with the first girder steel, and described first
The other end of strut is articulated with tower crane；The two sides of second girder steel have symmetrically split second support bar, and the one of second support bar
End is articulated with the second girder steel, and the other end of the second support bar is articulated with tower crane；The parallel chassis includes two foundation beams, institute
The first girder steel is fixed in the side for stating bottom beam, and the second girder steel is fixed in the other side of the bottom beam；Two bottom beams are arranged in parallel
And the two sides of be symmetrically placed in first girder steel and the second girder steel infall；Include the following steps：
S1. cross steelframe is made using the first girder steel and the second girder steel cross-fixing；
S2., tower crane is fixedly mounted on to the top of the cross steelframe；
S3. first support bar is respectively set in the two sides of the first girder steel, one end of first support bar is hinged on the first girder steel pair
The other end of first support bar is hinged on tower crane by the side answered；Second support bar is respectively set in the two sides of the second girder steel,
One end of second support bar is hinged on the corresponding side of the second girder steel, the other end of second support bar is hinged on tower crane；
S4. two foundation beams of parallel chassis are placed on the lower section of cross steelframe, and two foundation beams is made to be arranged in parallel and symmetrically divide
It is placed in the two sides of first girder steel and the second girder steel infall；
S5. the side of every foundation beam is fixed on the first girder steel, the other side of every foundation beam is fixed on the second girder steel；
S6. parallel chassis is fixed on steel plate wall.
2. the steel structural roof as described in claim 1 construction method of parallel cross combined girder steel tower crane, feature
It is：The first support bar has first connecting portion close to one end of the first girder steel, and first girder steel has and two first
Two first mounting portions that interconnecting piece is arranged in a one-to-one correspondence；The first connecting portion and corresponding first mounting portion pass through first
Pin shaft pin joint；The second support bar has second connecting portion close to one end of the second girder steel, and second girder steel has and two
Two second mounting portions that second connecting portion is arranged in a one-to-one correspondence；The second connecting portion and corresponding second mounting portion pass through
Second pin shaft pin joint.
3. the parallel cross combined girder steel tower crane of steel structural roof as described in claim 1, which is characterized in that the tower
It hangs and is fixed with the first stiffener plate between first girder steel；Second is fixed between the tower crane and second girder steel to add
Strengthening tendons plate.
4. the parallel cross combined girder steel tower crane of steel structural roof as described in claim 1, which is characterized in that each described
The two sides of bottom beam have symmetrically split pressing plate, further include the bracket that steel plate wall is correspondingly arranged and be fixed on pressing plate, the bracket
It is fixedly connected in such a way that the first high-strength bolt connects with the pressing plate；The pressing plate and the bracket are matched for clamping tightly the bottom
Beam.
5. the parallel cross combined girder steel tower crane of steel structural roof as claimed in claim 4, which is characterized in that the bottom
Pad is equipped with thick steel plate between beam and steel plate wall.
6. the parallel cross combined girder steel tower crane of steel structural roof as described in claim 1, which is characterized in that described
One girder steel includes the two connection girder steels being fixedly connected, two connection girder steels one end close to each other offer be mutually aligned it is interspersed
Hole；Second girder steel passes through two inserting holes and is fixedly connected with the two connection girder steels.
7. the parallel cross combined girder steel tower crane of steel structural roof as claimed in claim 6, which is characterized in that described
Ribbed stiffener is fixedly connected between one girder steel and connection girder steel.
8. the parallel cross combined girder steel tower crane of steel structural roof as claimed in claim 6, which is characterized in that each described
Connection girder steel is opened up there are four plug-in opening, and plug-in opening described in the every two of the connection girder steel is one group, the connection girder steel
The plug-in opening of two of every group is sequentially arranged at intervals along the short transverse of connection girder steel, two groups of plug-in openings of the connection girder steel
Edge connection girder steel extending direction is sequentially arranged at intervals and the two sides for the inserting hole that is symmetrically placed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610967085.XA CN106522262B (en) | 2016-10-28 | 2016-10-28 | The construction method of the parallel cross combined girder steel tower crane of steel structural roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610967085.XA CN106522262B (en) | 2016-10-28 | 2016-10-28 | The construction method of the parallel cross combined girder steel tower crane of steel structural roof |
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| Publication Number | Publication Date |
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| CN106522262A CN106522262A (en) | 2017-03-22 |
| CN106522262B true CN106522262B (en) | 2018-11-23 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687085Y (en) * | 2003-11-03 | 2005-03-23 | 鞍钢集团房产建设第五建筑工程公司 | Assembled base for fixed tower crane |
| KR100467091B1 (en) * | 2004-08-19 | 2005-01-24 | (주)에이프러스 씨엠 건축사사무소 | The foundation anchor for construction |
| CN2878311Y (en) * | 2005-12-16 | 2007-03-14 | 四川建设机械（集团）股份有限公司 | Composite chassis for tower crane |
| CN201746847U (en) * | 2009-11-10 | 2011-02-16 | 新乡克瑞重型机械科技股份有限公司 | Combined multifunctional base of tower crane |
| CN202265836U (en) * | 2011-10-12 | 2012-06-06 | 浙江巨匠钢业有限公司 | Basic structure of communication tower |
| CN202449770U (en) * | 2011-11-29 | 2012-09-26 | 中联重科股份有限公司 | Tower crane lower support assembly and tower crane with same |
| CN202466616U (en) * | 2012-02-07 | 2012-10-03 | 浙江瑞能通信科技有限公司 | Prefabricated-assembled-embedded type weight system |
| CN103787213B (en) * | 2014-01-27 | 2015-09-02 | 徐州建机工程机械有限公司 | A kind of tower crane interpolation type underframe hound structure |
| CN204454360U (en) * | 2014-10-30 | 2015-07-08 | 浙江庞源机械工程有限公司 | A kind of tower crane |
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2016
- 2016-10-28 CN CN201610967085.XA patent/CN106522262B/en active Active
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