CN206751243U - The steel structure hoisting device of conventional lifting machine restricted clearance - Google Patents
The steel structure hoisting device of conventional lifting machine restricted clearance Download PDFInfo
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- CN206751243U CN206751243U CN201720628326.8U CN201720628326U CN206751243U CN 206751243 U CN206751243 U CN 206751243U CN 201720628326 U CN201720628326 U CN 201720628326U CN 206751243 U CN206751243 U CN 206751243U
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- Prior art keywords
- hoisting
- hanger
- lifting elements
- lifting
- fixed
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Abstract
The utility model discloses the steel structure hoisting device of conventional lifting machine restricted clearance, including lifting elements(9), lifting elements(9)Both ends on the upside of be provided with lifting elements hanger(6), lifting elements hanger(6)Assembly pulley lowering or hoisting gear is connected, assembly pulley lowering or hoisting gear is fixed on hoisting bracket(3)On, hoisting bracket(3)It is fixed on concrete column(1)On;Described concrete column(1)It is located at lifting elements respectively(9)Both ends, concrete column(1)Both ends pass through anchor ear(2)By hoisting bracket(3)It is fixed.The utility model is simple in construction, it is easy for operation, reuse the advantages such as concrete column, the square steel material of job site, it can realize in the case where Large-scale Hoisting equipment can not intervene, fast hoisting is carried out to heavyweight building element, accurate displacement installation is realized, provides efficiency of construction significantly, construction cost is reduced, improves market competitiveness of enterprises.
Description
Technical field
It the utility model is related to building hanging device field, the steel structure hoisting of specially conventional lifting machine restricted clearance
Device.
Background technology
With the continuous development of society and the continuous progress of technology, heavy construction component is more and more, so can be significantly
Reduce assembly and because the correlated quality problem caused by assembly at building element scene.
In various building element, steel embedded part, steel walkway board etc. are relatively conventional components;Steel embedded part, steel walkway board
During etc. location and installation, generally use manpower or lifting machine are installed, but are not easy to move more than 100kg or manually for weight
Situations such as steel embedded part of the unfavorable lifting machine construction of dynamic, installation or inside configuration space, steel walkway board location and installation, perplex always
Unit in charge of construction, and largely effects on construction speed.
For in interior of building installation steel structure hoisting, conventional lifting machine (such as truck crane, crawler belt) is often
Building interior is cannot be introduced into be lifted, the method at this moment usually used has 1, using large-scale hoisting machinery building carry out across
Outer lifting;2nd, full hall scaffold is set up below the steel construction that need to be installed, then carries out loose mail installation using tower crane.1st kind is hung
The lifting machine model that dress method needs is larger, and caused expense is also larger, and not necessarily there is space the outside of building
Meet the assembling, walking and the requirement for lifting operating space of large-scale hoisting machinery.2nd kind of hanging method needs to set up full hall pin hand
Frame, it is a more job content add larger expense, it is also desirable to the longer engineering time.
Therefore it provides it is a kind of suitable for Large-scale Hoisting equipment can not working space hanging device, be one be worth research
The problem of.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of simple in construction, side of operating with
Just, it is low to lift use cost, and lift material to be used in turn repeatedly.
What the purpose of this utility model was realized in:
The steel structure hoisting device of conventional lifting machine restricted clearance, including lifting elements 9, on the both ends of lifting elements 9
Side is provided with lifting elements hanger 6, and lifting elements hanger 6 connects assembly pulley lowering or hoisting gear, and assembly pulley lowering or hoisting gear, which is fixed on, to be hung
Fill on support 3, hoisting bracket 3 is fixed on concrete column 1;
Described concrete column 1 is located at the both ends of lifting elements 9 respectively, and the both ends of concrete column 1 will lift branch by anchor ear 2
Frame 3 is fixed;
The top of described hoisting bracket 3 is provided with hoisting bracket hanger 4, and hoisting bracket hanger 4 fills with assembly pulley lifting
Put connection;
Described assembly pulley lowering or hoisting gear includes hoist engine 8, the fixed pulley 7 being sequentially connected with hoist engine 8 by steel wire rope,
Assembly pulley 5 and lifting elements hanger 6;
Described assembly pulley 5 include with hoisting bracket hanger 4 fix first pulley group, and by steel wire rope respectively with
The second pulley group that first pulley group and lifting elements hanger 6 connect;
Described fixed pulley passes through positioned at the fixed position of anchor ear 2 of the lower section of concrete column 1;
Described lifting elements 9 are welded using square steel, are made up of multiple three-legged structures.
Positive beneficial effect:The utility model is simple in construction, easy for operation, reuses the concrete of job site
The advantages such as post, square steel material, it is possible to achieve in the case where Large-scale Hoisting equipment can not intervene, to heavyweight building element
Fast hoisting is carried out, accurate displacement installation is realized, provides efficiency of construction significantly, reduce construction cost, improve city of enterprise
Field competitiveness.
Brief description of the drawings
Fig. 1 is structural representation one of the present utility model;
Fig. 2 is structural representation two of the present utility model;
Fig. 3 is structural representation three of the present utility model;
It is in figure:Concrete column 1, anchor ear 2, hoisting bracket 3, hoisting bracket hanger 4, assembly pulley 5, lifting elements hanger 6,
Fixed pulley 7, hoist engine 8, lifting elements 9.
Embodiment
With reference to specific embodiment, the utility model is described further:
As shown in Figure 1, Figure 2, Figure 3 shows, the steel structure hoisting device of conventional lifting machine restricted clearance, including lifting elements 9,
Lifting elements hanger 6 is provided with the upside of the both ends of lifting elements 9, lifting elements hanger 6 connects assembly pulley lowering or hoisting gear, assembly pulley
Lowering or hoisting gear is fixed on hoisting bracket 3, and hoisting bracket 3 is fixed on concrete column 1;
Described concrete column 1 is located at the both ends of lifting elements 9 respectively, and the both ends of concrete column 1 will lift branch by anchor ear 2
Frame 3 is fixed;
The top of described hoisting bracket 3 is provided with hoisting bracket hanger 4, and hoisting bracket hanger 4 fills with assembly pulley lifting
Put connection;
Described assembly pulley lowering or hoisting gear includes hoist engine 8, the fixed pulley 7 being sequentially connected with hoist engine 8 by steel wire rope,
Assembly pulley 5 and lifting elements hanger 6;
Described assembly pulley 5 include with hoisting bracket hanger 4 fix first pulley group, and by steel wire rope respectively with
The second pulley group that first pulley group and lifting elements hanger 6 connect;
Described fixed pulley passes through positioned at the fixed position of anchor ear 2 of the lower section of concrete column 1;
Described lifting elements 9 are welded using square steel, are made up of multiple three-legged structures.
1st, thinking is lifted
Place hoisting bracket in the both sides of lifting elements, assembly pulley be installed on hoisting bracket, assembly pulley by steel wire rope and
Fixed pulley connects hoist engine.The both ends of lifting elements hanger is set, hanger is made from steel plate thick 20mm, and material is
Q345B.During lifting, hoisting machine is connected by steel wire rope with fixed pulley and assembly pulley, and assembly pulley connects with the hanger in lifting elements
Connect, using the rotation of hoisting machine so as to reaching the purpose of lifting.
2nd, lifting calculates
(1) steel wire rope calculates
When steel truss lifts, lifted using assembly pulley, steel wire rope walks around 6;
The most heavy lifting elements of lifting elements are 130KN, and steel wire rope walks 6, and coaster lays out fag end by fixed on bronze bushing axle
Pulley is laid out, and is oriented to hoisting machine by an orientation coaster, must run head lineoutofservice signal pull:
Intend from 6 × 37+FC (Fibre-core cable) a diameter of 12mm steel wire rope, Nominal Tensile 1770N/mm2,
Its minimum breaking force is 75.2KN.
Checking computations are as follows:
Take safety coefficient K=6 of steel wire rope
Table look-up to obtain conversion coefficient C=1.249
Breaking force of rope summation P=75.2*1.249=94KN.
P/F1=94/13.4=7>6
So selected steel wire rope is qualified steel wire rope.
Therefore top single-layer lattice shell dome lifting and fixing selects 6 × 37+FC (Fibre-core cable) Nominal Tensiles 1770N/mm2
A diameter of 12mm steel wire rope.
(2) hanger calculates
The most heavy lifting elements of lifting elements are 13t, during lifting, using 2 points of liftings, and two common stress of hanger after lifting,
Hanger counter-force is:G/2+ steel wire ropes run head pulling force=13/2+1.34 ≈ 8t.Hanger material is Q345B,
1) tension calculates:
Hanger tension least favorable section is in Section A-A
The pulling force standard value N=80kN that hanger design is born
K in formula1、K2The respectively coefficient of impact and partial safety factor for load.
Hanger meets tensile strength design requirement.
2) shear calculation:
Hanger is by cutting half of the least favorable section in Section A-A
The Shear Force V=80kN that hanger design is born
Hanger meets shearing strength design requirement.
3) welding seam calculating:
Weld seam form is orthogonal fillet weld, welding seam calculating length lwe=300mm, and Size of welds uses 10mm, effective leg
Size he=7mm, weld seam are primarily subjected to shear, and mainly consider that two vertical orthogonal fillet welds are calculated.Weld seam bears to shear
Design load Vd=1.4 × 1.4 × 80000=156.8kN, moment-curvature relationship Md=156.8 × 0.15=23.5kNm.
Look into《Code for design of steel structures》(GB50017-2003) table obtains:ff w=160N/mm2, intensity enhancement coefficient βf=
1.22。
Bead bend modulus W=lwe2* t/6=2 × 300.002× 7/6=210000mm3
Direct stress σ=M/W=23.50 × 106/ 210000=111.9N/mm2<ff w*βf=160 × 1.22=95.2N/
mm2, meet to require.
Shear stress τ=V/ (lwe*he)=156.80 × 103/ (2 × 300 × 7)=37.3N/mm2<ff w=160N/mm2,
Meet to require.
Combined stress σz=[(σ/βf)2+τ2]1/2=[(111.9/1.22)2+37.32]1/2=99.0N/mm2<ff w=
160N/mm2, meet to require.
(3) assembly pulley and orientation coaster are selected
1) assembly pulley
Assembly pulley selects three D=250mm.
Assembly pulley installs elevating capacity:(truss weight is 130KN),
Meet to require.
Coaster diameter and wirerope diameter ratio:250/12=20.8>16, meet to require.
So assembly pulley selects three, D=250mm.
2) fairlead
When truss lifts, orientation coaster is arranged on the underface of lifting, then orientation angle is 90o, obtain K=1.4.Hoisting machine
Tractive force P=20KN.
By fairlead lifting power QO=KP is obtained:QO=1.4*20=28KN.
Therefore 1 D=250 fairlead is selected, lifting power 30KN, meet to require.
(4) hoisting machine selects
Calculated by steel wire rope, the single stress of steel wire rope is 1.34t, and choosing 2t hoisting machine can meet to require.
3rd, roofing capital hoisting bracket designs
During lifting, H profile steel post is set in concrete column both sides, H profile steel post is fixed by anchor ear and concrete column, forms steel
Support, steel material used in support is Q345.Hoisting bracket design drawing is as follows:
All weld seams use surrounding weld all around, and fillet weld size presses thickness of slab smaller value.Bracket upright post material specification:H300*300*
10*14, anchor ear material specification:H250*250*9*14
The utility model includes removable and repeatable hoisting bracket, hoist engine, steel wire rope, pulley and the assembly pulley utilized
Progress steel structure hoisting operation in the limited space of conventional lifting machine can be carried out Deng, this construction method;Handle can be shifted to an earlier date on ground
Steel construction assembly saves the lifting time into lifting elements;Can lifting weight hung up to 15 tons of steel structure member or steel construction
Fill unit, the cooperation without large-scale hoisting machinery, it is not required that other auxiliary supporting materials (such as support jig, scaffold),
Tool making is simply handed over low with operation easy for construction, caused expense;Device and material in this construction method can weight profits
With.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. the steel structure hoisting device of conventional lifting machine restricted clearance, it is characterised in that:Including lifting elements(9), lifting list
Member(9)Both ends on the upside of be provided with lifting elements hanger(6), lifting elements hanger(6)Connect assembly pulley lowering or hoisting gear, assembly pulley
Lowering or hoisting gear is fixed on hoisting bracket(3)On, hoisting bracket(3)It is fixed on concrete column(1)On.
2. the steel structure hoisting device of conventional lifting machine restricted clearance according to claim 1, it is characterised in that:It is described
Concrete column(1)It is located at lifting elements respectively(9)Both ends, concrete column(1)Both ends pass through anchor ear(2)By hoisting bracket
(3)It is fixed.
3. the steel structure hoisting device of conventional lifting machine restricted clearance according to claim 1 or 2, it is characterised in that:
Described hoisting bracket(3)Top be provided with hoisting bracket hanger(4), hoisting bracket hanger(4)With assembly pulley lowering or hoisting gear
Connection.
4. the steel structure hoisting device of conventional lifting machine restricted clearance according to claim 1, it is characterised in that:It is described
Assembly pulley lowering or hoisting gear include hoist engine(8), with hoist engine(8)The fixed pulley being sequentially connected by steel wire rope(7), assembly pulley
(5)With lifting elements hanger(6).
5. the steel structure hoisting device of conventional lifting machine restricted clearance according to claim 4, it is characterised in that:It is described
Assembly pulley(5)Including with hoisting bracket hanger(4)Fixed first pulley group, and by steel wire rope respectively with first pulley
Group and lifting elements hanger(6)The second pulley group of connection.
6. the steel structure hoisting device of conventional lifting machine restricted clearance according to claim 4, it is characterised in that:It is described
Fixed pulley(7)By positioned at concrete column(1)The anchor ear of lower section(2)Fixed position.
7. the steel structure hoisting device of conventional lifting machine restricted clearance according to claim 1, it is characterised in that:It is described
Lifting elements(9)It is welded using square steel, is made up of multiple three-legged structures.
Priority Applications (1)
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CN201720628326.8U CN206751243U (en) | 2017-06-01 | 2017-06-01 | The steel structure hoisting device of conventional lifting machine restricted clearance |
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CN201720628326.8U CN206751243U (en) | 2017-06-01 | 2017-06-01 | The steel structure hoisting device of conventional lifting machine restricted clearance |
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Publication Number | Publication Date |
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CN206751243U true CN206751243U (en) | 2017-12-15 |
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CN201720628326.8U Expired - Fee Related CN206751243U (en) | 2017-06-01 | 2017-06-01 | The steel structure hoisting device of conventional lifting machine restricted clearance |
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Country | Link |
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CN (1) | CN206751243U (en) |
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2017
- 2017-06-01 CN CN201720628326.8U patent/CN206751243U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200609 Address after: No. 55, jinliu South Road, Zhengzhou Economic and Technological Development Zone, Henan Province Patentee after: Zhengzhou Baoye Steel Structure Co.,Ltd. Address before: 200741 Qing'an Road, Baoshan District, Baoshan District, Shanghai Patentee before: SHANGHAI BAOYE GROUP Corp.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |