CN106522262A - Parallel cross combined steel beam tower crane foundation for steel structure roof and construction method of parallel cross combined steel beam tower crane foundation - Google Patents
Parallel cross combined steel beam tower crane foundation for steel structure roof and construction method of parallel cross combined steel beam tower crane foundation Download PDFInfo
- Publication number
- CN106522262A CN106522262A CN201610967085.XA CN201610967085A CN106522262A CN 106522262 A CN106522262 A CN 106522262A CN 201610967085 A CN201610967085 A CN 201610967085A CN 106522262 A CN106522262 A CN 106522262A
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- girder steel
- steel
- tower crane
- girder
- parallel
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Classifications
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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
-
- 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
Abstract
The invention discloses a parallel cross combined steel beam tower crane foundation for a steel structure roof and a construction method of the parallel cross combined steel beam tower crane foundation. The parallel cross combined steel beam tower crane foundation for the steel structure roof comprises a cross steel frame provided with a tower crane and a parallel underframe fixedly mounted on a steel plate wall. The cross steel frame comprises a first steel beam and a second steel beam which are fixedly connected in a crossing manner. First supporting rods are symmetrically arranged on the two sides of the first steel beam correspondingly. One end of each first supporting rod is hinged to the first steel beam, and the other end of each first supporting rod is hinged to the tower crane. Second supporting rods are symmetrically arranged on the two sides of the second steel beam correspondingly. One end of each second supporting rod is hinged to the second steel beam, and the other end of each second supporting rod is hinged to the tower crane. The parallel underframe comprises two bottom beams. One side of each bottom beam is fixed to the first steel beam, and the other side of each bottom beam is fixed to the second steel beam. The two bottom beams are arranged in parallel and symmetrically arranged on the two sides of the crossing portion of the first steel beam and the second steel beam correspondingly. According to the parallel cross combined steel beam tower crane foundation, when the cross steel frame is mounted on the steel plate wall, stress can be uniform, and stability can be improved.
Description
Technical field
The present invention relates to steel structural roof parallel cross combined girder steel tower crane and its construction method.
Background technology
With developing rapidly for building construction technology, high-rise and building is arisen at the historic moment like the mushrooms after rain, skyscraper glass
Glass curtain wall external decoration also emerges in an endless stream.Glass curtain wall is lifted using derrick crane carries out the installment work of curtain wall, and for state
Family realizes that " green construction " provides New Technical Condition, selects cross parallel underframe the tower crane of tower crane more, but due to all steel
The bearing point of the offer of structural construction roofing only has steel plate wall, but has the ratio of horizontal span with steel plate wall and longitudinal span
Gap is larger, when cross steelframe is directly installed on steel plate wall, will cause the ratio of span in length and breadth of cross and the one of steel plate wall
Sample, but because tower crane restriction, only steel plate wall span than it is equidistant when, the stress of cross steelframe could be balanced, thus will
When cross is directly installed on steel plate wall, two connecting nodes that cross underframe is connected with girder steel frame positioned at the same side are not mutually right
Claim, be easily caused the unbalance stress of cross steelframe, and less stable.
The content of the invention
In order to overcome the deficiencies in the prior art, an object of the present invention is to provide the parallel cross group of steel structural roof
Girder steel tower crane is closed, which can make cross steelframe be arranged on uniform force when on steel plate wall, and improve stability.
The second object of the present invention is the construction party for providing the parallel cross combined girder steel tower crane of steel structural roof
Method.
One of the object of the invention employs the following technical solutions realization：
Steel structural roof is provided with cross steelframe and the position of tower crane with parallel cross combined girder steel tower crane including top
Below cross steelframe and the parallel underframe of steel plate wall is fixedly installed in, the cross steelframe includes intersecting first for being fixedly connected
Girder steel and the second girder steel；The both sides of first girder steel have symmetrically split first support bar, and one end of first support bar is articulated with
First girder steel, the other end of the first support bar are articulated with tower crane；The both sides of second girder steel have symmetrically split second
Strut, one end of second support bar are articulated with the second girder steel, and the other end of the second support bar is articulated with tower crane；It is described parallel
Underframe includes two foundation beams, and the first girder steel is fixed in the side of the bottom girder, and the opposite side of the bottom girder is fixed on the second girder steel；
Bottom girder described in two be arranged in parallel and be symmetrically placed in first girder steel and the second girder steel infall both sides.
Preferably, the first support bar has first connecting portion, the first girder steel tool near one end of the first girder steel
Have and correspond two first installation portions for arranging with two first connecting portions；The first connecting portion and corresponding described first is installed
Portion passes through the first bearing pin pin joint；The second support bar has second connecting portion, second steel near one end of the second girder steel
Beam is with two second installation portions for corresponding setting with two second connecting portions；The second connecting portion and corresponding described second
Installation portion passes through the second bearing pin pin joint.
Preferably, the first reinforcement gusset is fixed between the tower crane and first girder steel；The tower crane and described
The second reinforcement gusset is fixed between two girder steels.
Preferably, the both sides of each bottom girder have symmetrically split pressing plate, also include being correspondingly arranged with pressing plate and being fixed on
The bracket of steel plate wall, the bracket are fixedly connected with the pressing plate by way of the connection of the first high-strength bolt；The pressing plate and
The bracket is matched for clamping tightly the bottom girder.
Preferably, between the bottom girder and steel plate wall, pad is provided with steel plate.
Preferably, first girder steel includes the two connection girder steels being fixedly connected, two connection girder steels one end close to each other
The inserting hole being mutually aligned is offered；Second girder steel passes through inserting hole described in two and is connected girder steel with described in two fixes company
Connect.
Preferably, ribbed stiffener is fixedly connected between first girder steel and connection girder steel.
Preferably, each connection girder steel offers four plug-in openings, inserting described in each two of the connection girder steel
Kong Weiyi groups, two plug-in openings of per group of the connection girder steel are sequentially arranged at intervals along the short transverse of connection girder steel, institute
State two groups of plug-in openings of connection girder steel to be sequentially arranged at intervals and be symmetrically placed in the plug-in opening along connection girder steel bearing of trends
Both sides.
The second object of the present invention employs the following technical solutions realization：
The steel structural roof construction method of parallel cross combined girder steel tower crane, comprises the following steps：
S1. fixation is intersected using the first girder steel and the second girder steel and makes cross steelframe；
S2., tower crane is fixedly mounted on the top of the cross steelframe；
S3. first support bar is respectively provided with the both sides of the first girder steel, one end of first support bar is hinged on into the first steel
The corresponding side of beam, the other end of first support bar is hinged on tower crane；Second is respectively provided with the both 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
Hang on；
S4. two foundation beams of parallel underframe are placed on into the lower section of cross steelframe, and make two foundation beams be arranged in parallel and right
Title is placed in the both 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 opposite side of every foundation beam is fixed on into the second girder steel
On；
S6. parallel underframe is fixed on steel plate wall.
Compared to existing technology, the beneficial effects of the present invention is：The present invention is parallel and right by two bottom girders of parallel underframe
Title is placed in the both sides of cross steelframe, and four connecting nodes of parallel underframe and cross steelframe symmetrically receive cross steelframe
Power is uniform, then parallel underframe is fixed on steel plate wall, so that energy uniform force when cross steelframe is arranged on steel plate wall, and
Improve its stability；Meanwhile, girder steel that only need to be by the bottom girder of parallel underframe perpendicular to steel plate wall is arranged, and need not calculate steel plate
The central point of wall, it is not required that extend cross steelframe length, can be directly mounted on steel plate wall so as to stress with and carry
High its stability.Furthermore, producing pulling force by the first girder steel or the second girder steel to first support bar or second support bar makes which right
Tower crane produces stress, so as to reduce the moment of flexure born in the middle part of the parallel underframe of cross, increased this steel structural roof with parallel
The structural redundancy of cross combined girder steel tower crane, and then improve the safety that structure is used.
Description of the drawings
Fig. 1 is structural representation of the steel structural roof of the present invention with parallel cross combined girder steel tower crane；
Fig. 2 is the knot of the parallel underframe and steel plate wall of the parallel cross combined girder steel tower crane of steel structural roof of the present invention
Structure schematic diagram；
Fig. 3 is the cross steelframe and parallel underframe of the parallel cross combined girder steel tower crane of steel structural roof of the present invention
Structural representation；
Fig. 4 is top view of the steel structural roof of the present invention with parallel cross combined girder steel tower crane；
Fig. 5 is flow chart of the steel structural roof of the present invention with the construction method of parallel cross combined girder steel tower crane.
In figure：1st, cross steelframe；11st, the first girder steel；111st, connect girder steel；1111st, plug-in opening；1112nd, inserting hole；12、
Second girder steel；2nd, parallel underframe；21st, bottom girder；3rd, first support bar；41st, the first installation portion；42nd, first connecting portion；6th, first adds
Strong gusset；71st, pressing plate；72nd, bracket；73rd, the first high-strength bolt；8th, steel plate；9th, steel plate wall；10th, tower crane.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the present invention is described further：
As Figure 1-4, steel structural roof is basic with parallel cross combined girder steel tower crane 10, is provided with tower crane including top
10 cross steelframe 1 with below cross steelframe 1 and be fixedly installed in the parallel underframe 2 of steel plate wall 9, the cross steelframe 1
The first girder steel 11 being fixedly connected including intersection and the second girder steel 12；The both 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 both 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 underframe 2 includes two foundation beams 21, the side of the bottom girder 21
The first girder steel 11 is fixed on, the opposite side of the bottom girder 21 is fixed on the second girder steel 12；Described in two, bottom girder 21 be arranged in parallel and right
Title is placed in the both sides of first girder steel 11 and 12 infall of the second girder steel, and tower crane 10 is fixed on cross steelframe 1, and ten
Word steelframe 1 is fixedly connected with parallel underframe 2, and parallel underframe 2 is fixed on steel plate wall 9, after installation, the masterpiece of tower crane 10
Used in cross steelframe 1 and it is transferred to parallel underframe 2 and steel plate wall 9, the present invention is parallel by two bottom girders 21 and is symmetrically placed in ten
The both sides of word steelframe 1, and the angle of cross steelframe is 90 ° so that it is mutual that parallel underframe 2 is connected section with four of cross steelframe 1
Symmetrically, 1 uniform force of cross steelframe is made, then parallel underframe 2 is fixed on steel plate wall 9, so that cross steelframe 1 is arranged on steel
Energy uniform force when on board wall 9, and improve its stability；Simultaneously as cross steelframe 1 is propped up by 2 offer of parallel underframe
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 relation of mutually restriction is formed between one girder steel 11 or the second girder steel 12 and tower crane 10, by the first girder steel 11 or the second girder steel 12
Pulling force is produced to first support bar 3 or second support bar makes which produce stress to tower crane 10, so as to reduce the parallel bottom of cross
The moment of flexure born in the middle part of frame 2, increased structural redundancy of this steel structural roof with 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 is used.
Preferably, the first support bar 3 has first connecting portion 42, first steel near one end of the first girder steel 11
Beam 11 is with two first installation portions 41 for corresponding setting with two first connecting portion 42；The first connecting portion 42 and corresponding
First installation portion 41 passes through the first bearing pin pin joint；The second support bar is near one end of the second girder steel 12 with the second connection
Portion, second girder steel 12 is with two second installation portions for corresponding setting with two second connecting portions；The second connecting portion
With corresponding second installation portion by the second bearing pin pin joint, by way of pin joint, girder steel can be discharged and be connected with support bar
The moment of flexure of node, further improves security performance, increases the service life.
The first reinforcement gusset 6 is fixed between the tower crane 10 and first girder steel 11；The tower crane 10 and described
The second reinforcement gusset is fixed between two girder steels 12, strengthens the stability connected between tower crane 10 and cross steelframe 1.
Power is transferred on steel plate wall 9 after 2 stress of parallel underframe, and at the connecting node of parallel underframe 2 and steel plate wall 9
Stress is larger, it is preferred that this steel structural roof is equal with the both sides of each described bottom girder 21 of parallel cross combined girder steel tower crane
Pressing plate 71 is symmetrically split, has also included being correspondingly arranged with pressing plate 71 and being fixed on the bracket 72 of steel plate wall 9, bracket 72 has passed through first
The mode of the connection of high-strength bolt 73 is fixedly connected with pressing plate 71；The pressing plate 71 and the bracket 72 are matched for clamping tightly the bottom girder
21, pressing plate 71, the cooperation of the first high-strength bolt 73 and bracket 72 are stably connected with both, and bracket 72 also improves parallel underframe
2 with the rigidity of the connecting node of steel plate wall 9, greatly improve the stability of parallel underframe 2 and steel plate wall 9.
Preferably, between the bottom girder 21 and steel plate wall 9, pad is provided with steel plate 8, bottom girder 21 is not contacted with bracket 72, from
And ensure that the safety of bracket 72.
With first girder steel 11 of parallel cross combined girder steel tower crane, this steel structural roof includes that two are fixedly connected
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 pass through inserting hole 1112 described in two and be connecteds girder steel 111 with described in two and are fixedly connected, the first girder steel 11 of simplification and the
The installation procedure of two girder steels 12.In order to further strengthen the stability of the intersection of cross steelframe 1, due to first girder steel 11
Ribbed stiffener is fixedly connected with and connection girder steel 111 between, the first girder steel 11 is strengthened and is connected the firm of 111 connecting node of girder steel
Property, and can further resist moment of torsion when tower crane 10 is rotated to cross steelframe 1.
Each connection girder steel 111 offers four plug-in openings 1111, inserts described in each two of the connection girder steel 111
Dress hole 1111 is one group, and two plug-in openings 1111 of 111 per group of the connection girder steel 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 bearing of trend of girder steel
And the both sides of the plug-in opening 1111 that is symmetrically placed in.The infall of cross steelframe 1 bears in use moment of flexure, moment of torsion
It is larger with shearing, by using the second high-strength bolt opposing shearing and moment of torsion, stablizing for the intersection of raising cross steelframe 1, entering
One step improves the safety that structure is used, meanwhile, using multiple high-strength bolts, the effect of torque resistant and shearing can be improved, be strengthened
Stability, and by force analysis, the requirement of opposing moment of torsion and intensity of shear can be met using four the second high-strength bolts.
Ribbed stiffener and reinforcement gusset in the present invention can be by the way of welding.
As shown in Figure 5, the invention also discloses above-mentioned steel structural roof applying with parallel cross combined girder steel tower crane
Work method, comprises the following steps：
S1. fixation is intersected using the first girder steel 11 and the second girder steel 12 and makes cross steelframe 1；
S2., tower crane 10 is fixedly mounted on the top of the cross steelframe 1；
S3. first support bar 3 is respectively provided with the both sides of the first girder steel 11, one end of first support bar 3 is hinged on into
One girder steel, 11 corresponding side, the other end of first support bar 3 is hinged on tower crane 10；Distinguish in the both sides of the second girder steel 12
Second support bar is set, one end of second support bar 12 corresponding side of the second girder steel is hinged on into, by the another of second support bar
One end is hinged on tower crane 10；
S4. two foundation beams 21 of parallel underframe 2 are placed on into the lower section of cross steelframe 1, and make that two foundation beams 21 are parallel to be set
Put and be symmetrically placed in the both sides of 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 opposite side of every foundation beam 21 is fixed on into
On two girder steels 12；
S6. parallel underframe 2 is fixed on steel plate wall 9.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (9)
1. steel structural roof is with parallel cross combined girder steel tower crane, it is characterised in that be provided with the ten of tower crane including top
Word steelframe with below cross steelframe and be fixedly installed in the parallel underframe of steel plate wall, the cross steelframe includes intersecting to be fixed
First girder steel and the second girder steel of connection；The both sides of first girder steel have symmetrically split first support bar, first support bar
One end is articulated with the first girder steel, and the other end of the first support bar is articulated with tower crane；The both sides of second girder steel are symmetrically divided
Second support bar is equipped with, one end of second support bar is articulated with the second girder steel, and the other end of the second support bar is articulated with tower
Hang；The parallel underframe includes two foundation beams, and the first girder steel is fixed in the side of the bottom girder, and the opposite side of the bottom girder is fixed
In the second girder steel；Bottom girder described in two be arranged in parallel and is symmetrically placed in the two of first girder steel and the second girder steel infall
Side.
2. steel structural roof as claimed in claim 1 is with parallel cross combined girder steel tower crane, it is characterised in that described
One support bar has a first connecting portion near one end of the first girder steel, first girder steel with two first connecting portion one a pair
Two first installation portions that should be arranged；The first connecting portion and corresponding first installation portion pass through the first bearing pin pin joint；Institute
State second support bar and there is second connecting portion near one end of the second girder steel, second girder steel with two second connecting portions one
One two second installation portions being correspondingly arranged；The second connecting portion and corresponding second installation portion pass through the second bearing pin pin
Connect.
3. steel structural roof as claimed in claim 1 is with parallel cross combined girder steel tower crane, it is characterised in that the tower
Hang and first girder steel between and be fixed with the first reinforcement gusset；It is fixed with second to add between the tower crane and second girder steel
Strong gusset.
4. steel structural roof as claimed in claim 1 is with parallel cross combined girder steel tower crane, it is characterised in that each described
The both sides of bottom girder have symmetrically split pressing plate, also include being correspondingly arranged with pressing plate and being fixed on the bracket of steel plate wall, the bracket
It is fixedly connected with the pressing plate by way of the first high-strength bolt connects；The pressing plate and the bracket are matched for clamping tightly the bottom
Beam.
5. steel structural roof as claimed in claim 4 is with parallel cross combined girder steel tower crane, it is characterised in that the bottom
Between beam and steel plate wall, pad is provided with steel plate.
6. steel structural roof as claimed in claim 1 is with parallel cross combined girder steel tower crane, it is characterised in that described
One girder steel includes the two connection girder steels being fixedly connected, and two connection girder steels one end close to each other offers be mutually aligned interspersed
Hole；Second girder steel passes through inserting hole described in two and is connected girder steel with described in two and is fixedly connected.
7. steel structural roof as claimed in claim 6 is with parallel cross combined girder steel tower crane, it is characterised in that described
Ribbed stiffener is fixedly connected between one girder steel and connection girder steel.
8. steel structural roof as claimed in claim 6 is with parallel cross combined girder steel tower crane, it is characterised in that each described
Connection girder steel offers four plug-in openings, and plug-in opening described in each two of the connection girder steel is one group, the connection girder steel
Per group of two plug-in openings are sequentially arranged at intervals along the short transverse of connection girder steel, two groups of plug-in openings of the connection girder steel
Along connection girder steel bearing of trend be sequentially arranged at intervals and the plug-in opening that is symmetrically placed in both sides.
9. construction method of the steel structural roof described in any one of claim 1-8 with parallel cross combined girder steel tower crane,
Characterized in that, comprising the following steps：
S1. fixation is intersected using the first girder steel and the second girder steel and makes cross steelframe；
S2., tower crane is fixedly mounted on the top of the cross steelframe；
S3. first support bar is respectively provided with the both sides of the first girder steel, one end of first support bar is hinged on into the first girder steel pair
The side answered, the other end of first support bar is hinged on tower crane；Second support bar is respectively provided with the both sides of the second girder steel,
One end of second support bar is hinged on into 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 underframe are placed on into the lower section of cross steelframe, and two foundation beams is be arranged in parallel and is symmetrically divided
It is placed in the both 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 opposite side of every foundation beam is fixed on the second girder steel；
S6. parallel underframe is fixed on steel plate wall.
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 |
|---|---|
| CN106522262A true CN106522262A (en) | 2017-03-22 |
| CN106522262B CN106522262B (en) | 2018-11-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN103787213A (en) * | 2014-01-27 | 2014-05-14 | 徐州建机工程机械有限公司 | Inserted chassis diagonal-brace structure of tower crane |
| 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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| 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 |
| KR20040078085A (en) * | 2004-08-19 | 2004-09-08 | (주)씨에스티개발 | The foundation anchor for bridge |
| 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 |
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| 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 | Lower support assembly of tower crane 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 |
| CN103787213A (en) * | 2014-01-27 | 2014-05-14 | 徐州建机工程机械有限公司 | Inserted chassis diagonal-brace structure of tower crane |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106522262B (en) | 2018-11-23 |
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