CN104743444B - Laterally turning method of large panel framework type workpiece - Google Patents
Laterally turning method of large panel framework type workpiece Download PDFInfo
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- CN104743444B CN104743444B CN201510104790.2A CN201510104790A CN104743444B CN 104743444 B CN104743444 B CN 104743444B CN 201510104790 A CN201510104790 A CN 201510104790A CN 104743444 B CN104743444 B CN 104743444B
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- workpiece
- steel wire
- wire rope
- hoisting
- crane
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
Abstract
The invention relates to a laterally turning method of a large panel framework type workpiece. The laterally turning method comprises the following steps: firstly, putting the workpiece horizontally, and hoisting by adopting a crane, wherein a forged steel bilateral hooked head is adopted for hoisting; secondly, arranging two hoisting points along the length direction; thirdly, hoisting by four equal-length steel wire ropes; fourthly, binding the workpiece horizontally at the hoisting point I and the hoisting point II respectively by adopting the same mode; fifthly, adjusting the steel wire ropes so as to enable the reservation length of the head parts to be equal to that of the tail parts; sixthly, hanging the steel wire ropes to the bilateral hook head respectively; and seventhly, hoisting the workpiece by the crane slowly, wherein one side of the workpiece is always kept to be in contact with the ground in the hoisting process until the workpiece turns over by 90 degrees. Compared with the prior art, the laterally turning method has the beneficial effects that the lateral turning operation of the large panel framework type workpiece can be completed by only one crane and the steel wire ropes, so that the time and cost waste for designing and manufacturing a special lifting appliance is prevented; the rotation operation and the turning operation of the laterally erected workpiece also can realized; the laterally turning method is simple, feasible, safe and reliable.
Description
Technical field
The present invention relates to large-scale workpiece hoisting technology field, more particularly, to a kind of rollover side of large flat frame-type workpiece
Method.
Background technology
During the workpiece to large flat tower structure is processed as rolling-mill housing (also referred to as memorial archway), often
Need workpiece is carried out to turn on one's side, the operation such as edge-on.For the upset of such workpiece, it is typically employed in workpiece both sides and utilizes several groups of cunnings
Car or major-minor hook or two cranes complete to overturn operation in the air.As Application No. 201210208261.3, (applying date is
On June 19th, 2012) Chinese patent, disclose " the support meanss that use and lift large-scale workpiece during upset large-scale workpiece
The method of one end ", this method is typically employed in workpiece binding conveniently or in the case of the existing hanger of workpiece.
When workpiece shapes are complicated and do not have ready-made hanger to utilize, can be with the lifting device of design specialized, by rigidity
Structure workpiece is fixed with specific purpose tool, then realize the upset of workpiece, phase using the special instrument of crane hanging component
Close document such as: " super-huge 5000mm level rolling-mill housing (memorial archway) hoisting research " (national engineering construction industry is big within 2004
The investigation of type equipment hoisting market and technical conferences collection of thesis)；Can also be using custom-designed rotary apparatuss or sliding upset
The special purpose devices such as device realize the upset of workpiece, pertinent literature such as: " large-sized rolling mills frame spin balancing method lift comprehensive skill in place
Art research " (" Xi'an University of Architecture and Technology " 2009 weeks diligent Master's thesis).
But it is because that manufacturing and designing hoisting tool special not only expends the time, also can increase cost, set particularly with nonstandard
For standby, special hanger is equivalent to single use, causes larger waste.Therefore job shop generally adopts some steel at present
Cord is overturn to workpiece or edge-on operation in the mode of both sides binding respectively, and the shortcoming of this operating type is: works as workpiece
When horizontal positioned state is changed into edge-on state, gravity can be transferred to opposite side steel wire rope from side steel wire rope suddenly, produces
Huge temporary impact load, is susceptible to rope-broken accident, and because the inertia force of upset makes workpiece occur by a relatively large margin
Swing, also the safety of periphery operating personnel can be formed and threaten.
Content of the invention
The invention provides a kind of method of large flat frame-type workpiece rollover, only with a crane and steel wire rope
The rollover operation of large flat frame-type workpiece can be completed, it is to avoid design and produce the time of special hanger and cost wastes,
The rotary operation of edge-on rear workpiece and the upset operation of workpiece can also be realized, simple, safe and reliable.
In order to achieve the above object, the present invention employs the following technical solutions realization:
A kind of rollover method of large flat frame-type workpiece, comprises the steps:
1) workpiece level is placed, bottom support block pad makes workpiece level well, using a crane hanging component, gib head is adopted
With forged steel bilateral gib head；
2) suspension centre at two is set along its length, and suspension centre is symmetrical arranged in workpiece center of gravity both sides, its spacing is workpiece overall length
2/7～1/3；
3) four isometric steel wire rope liftings are used, total load is that the weight of workpiece is multiplied by safety coefficient, every steel wire rope
Load value press 1/3～1/4 calculating of total load, and determine therefrom that the diameter of steel wire rope；The length of steel wire rope is the width of the workpiece
3～4 times, steel wire rope two ends are all provided with rope sling；
4) at suspension centre one and be respectively adopted same way at suspension centre two and laterally bundle workpiece, if the steel wire rope at suspension centre one
For 1# and 3# steel wire rope, at suspension centre two, corresponding steel wire rope is 2# and 4# steel wire rope；Wherein 1#, 3# steel wire rope passes through workpiece from side
Behind bottom surface from opposite side above workpiece, afterbody is converged with head of steel wire rope obliquely through wire rope handling side workpiece bottom from hollow part
Close；2#, 4# steel wire rope passes over from same wire rope handling side workpiece, and after opposite side workpiece bottom, afterbody is oblique from hollow part
Converge with head of steel wire rope to after through above the workpiece of wire rope handling side；
5) adjust steel wire rope, make head length in reserve and afterbody residue length equal, workpiece turning and steel wire rope contact position
Pad corner protector；
6) 1#, 3# steel wire rope is suspended to inside bilateral gib head respectively, 2#, 4# steel wire rope correspondence is suspended to outside bilateral gib head；
The opposite side ground of workpiece lifting is well placed preventer；
7) crane slowly lifts by crane workpiece, remains that workpiece side is contacted with ground during lifting, until workpiece turns over
It turn 90 degrees, with preprepared suspension device, workpiece is set level after padding surely, take off steel wire rope, workpiece side climbs over journey and terminates.
Compared with prior art, the invention has the beneficial effects as follows:
The rollover operation of large flat frame-type workpiece can be completed only with a crane and steel wire rope, it is to avoid set
Meter makes the time of special hanger and cost wastes, and the upset of the rotary operation and workpiece that can also realize edge-on rear workpiece is made
Industry, simple, safe and reliable.
Brief description
Fig. 1 is the front view of workpiece of the present invention.
Fig. 2 is the side view of workpiece of the present invention.(horizontal positioned is simultaneously leveled up)
Fig. 3 a is work piece hoisting schematic diagram one of the present invention.(only display 1# and 3# steel wire rope)
Fig. 3 b is the a-a sectional view in Fig. 3 a.
Fig. 3 c is the b-b sectional view in Fig. 3 a.
Fig. 4 a is work piece hoisting schematic diagram two of the present invention.(only display 2# and 4# steel wire rope)
Fig. 4 b is the a-a sectional view in Fig. 4 a.
Fig. 4 c is the b-b sectional view in Fig. 4 a.
Fig. 5 is roping arrangement schematic diagram on suspension hook for the steel wire rope of the present invention.
Fig. 6 is lifting view one of the present invention.(during workpiece side is turned over)
Fig. 7 is of the present invention lifting view two.(workpiece rollover completes)
In figure: 1. workpiece 2. center of gravity 3. support block 4.1# steel wire rope 5.3# steel wire rope 6.2# steel wire rope 7.4# steel
Cord 8. bilateral gib head
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further:
A kind of rollover method of large flat frame-type workpiece, comprises the steps:
1) by workpiece 1 horizontal positioned, bottom support block 3 pads makes workpiece 1 level, using a crane hanging component, hook
Head adopts forged steel bilateral gib head 8；
2) suspension centre at two is set along its length, and suspension centre is symmetrical arranged in workpiece center of gravity 2 both sides, its spacing is that workpiece 1 is total
Long 2/7～1/3；
3) four isometric steel wire rope 4,5,6,7 liftings are used, total load is that the weight of workpiece 1 is multiplied by safety coefficient, often
The load value of root steel wire rope presses 1/3～1/4 calculating of total load, and determines therefrom that the diameter of steel wire rope；The length of steel wire rope is
3～4 times of the width of the workpiece, steel wire rope two ends are all provided with rope sling；
4) at suspension centre one and be respectively adopted same way at suspension centre two and laterally bundle workpiece 1, if the steel wire at suspension centre one
Restrict as 1# and 3# steel wire rope 4,5, at suspension centre two, corresponding steel wire rope is 2# and 4# steel wire rope 6,7；Wherein 1#, 3# steel wire rope 4,5 from
Side pass through workpiece 1 bottom surface after from opposite side above workpiece 1, afterbody is from hollow part obliquely through wire rope handling side workpiece 1 bottom
Face is converged with head of steel wire rope；(as shown in figs 3 a-3 c) 2#, 4# steel wire rope 6,7 passes over from same wire rope handling side workpiece 1, around
To after opposite side workpiece 1 bottom surface, afterbody from hollow part oblique through wire rope handling side workpiece 1 above after converge with head of steel wire rope；
(as depicted in figure 4 a-4 c)
5) adjust steel wire rope, make head length in reserve and afterbody residue length equal, workpiece 1 turning and steel wire rope contact position
Pad corner protector；
6) 1#, 3# steel wire rope 4,5 is suspended to inside bilateral gib head 8 respectively, 2#, 4# steel wire rope 6,7 correspondence is suspended to bilateral hook
Outside 8；(as shown in Figure 5) is well placed preventer on the opposite side ground that workpiece 1 lifts by crane；
7) crane slowly lifts by crane workpiece, remains that workpiece 1 side is contacted with ground during lifting, until workpiece 1
Turn over and turn 90 degrees, with preprepared suspension device, workpiece 1 is set level after padding surely, take off steel wire rope, workpiece 1 rollover process knot
Bundle.(as Figure 6-Figure 7)
As Figure 1-Figure 2, be workpiece 1 of the present invention structural representation, it can be seen from figure 1 that of the present invention
Plate frame formula workpiece is rectangular hollow structure, and as can be seen from Figure 2, its thickness is relatively small, due to shape matching rule, root
It is easily determined its position of centre of gravity according to conventional method, calculating process can adopt simple algorithm.
The present invention adopts a crane to can achieve lifting, because the length of workpiece 1 is longer, therefore will reasonably select
The position of suspension centre.Steel wire rope should be prevented excessive with the angle of suspension hook, make suspension centre at two be evenly distributed in workpiece center of gravity 2 again
The suitable position in both sides, prevents steel wire rope from occurring lateral slip to depart from predetermined position during lifting.
Because workpiece 1 weight is larger, job shop crane appraise and decide the deadweight that load is likely to be less than workpiece, in workpiece
In the case that deadweight appraises and decides 1.2 times of load less than crane, still can realize lifting.Work in application claims hoisting process
Part 1 side is contacted with ground all the time, that is, with ground as a fulcrum, can mitigate required lifting force in lifting process.
As shown in fig. 6,1# and 3# steel wire rope 4,5 stress are tightened when lifting process starts, 2# and 4# steel wire rope 6,7 is in be put
Loose state；After workpiece 1 flips an angle, 2# and 4# steel wire rope 4,5 gradually tightens stress, makes workpiece 1 realize steadily turning on one's side,
Can prevent workpiece 1 from continuing to rotate to opposite side；As shown in fig. 7, when workpiece 1 is turned to 90o, 4 steel wire ropes are all tightened, this
When workpiece 1 side all land, turn on one's side successfully.
Preventer is the backing plate made using rubber, wood, prevents workpiece 1 from occurring to be damaged during unexpected rollover,
Protection unit can adopt iron and steel or legs.
Claims (1)
1. a kind of rollover method of large flat frame-type workpiece is it is characterised in that comprise the steps:
1) workpiece level is placed, bottom support block pad makes workpiece level well, using a crane hanging component, gib head is using forging
Steel bilateral gib head；
2) suspension centre at two is set along its length, and suspension centre is symmetrical arranged in workpiece center of gravity both sides, its spacing is the 2/7 of workpiece overall length
～1/3；
3) use four isometric steel wire ropes liftings, total load is that the weight of workpiece is multiplied by safety coefficient, every steel wire rope negative
Charge values press 1/3～1/4 calculating of total load, and determine therefrom that the diameter of steel wire rope；The length of steel wire rope be the width of the workpiece 3～
4 times, steel wire rope two ends are all provided with rope sling；
4) at suspension centre one and be respectively adopted same way at suspension centre two and laterally bundle workpiece, if the steel wire rope at suspension centre one is 1#
With 3# steel wire rope, at suspension centre two, corresponding steel wire rope is 2# and 4# steel wire rope；Wherein 1#, 3# steel wire rope passes through workpiece bottom from side
Afterwards from opposite side above workpiece, afterbody is converged with head of steel wire rope obliquely through wire rope handling side workpiece bottom from hollow part；
2#, 4# steel wire rope passes over from same wire rope handling side workpiece, and after opposite side workpiece bottom, afterbody is worn from hollow part is oblique
Converge with head of steel wire rope after to above the workpiece of wire rope handling side；
5) adjust steel wire rope, make head length in reserve and afterbody residue length equal, workpiece turning is with steel wire rope contact position pad well
Corner protector；
6) 1#, 3# steel wire rope is suspended to inside bilateral gib head respectively, 2#, 4# steel wire rope correspondence is suspended to outside bilateral gib head；In work
It is well placed preventer on the opposite side ground of part lifting；
7) crane slowly lifts by crane workpiece, remains that workpiece side is contacted with ground during lifting, until workpiece turning 90
Workpiece is set level with preprepared suspension device after padding surely, is taken off steel wire rope, workpiece side climbs over journey and terminates by degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510104790.2A CN104743444B (en) | 2015-03-10 | 2015-03-10 | Laterally turning method of large panel framework type workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510104790.2A CN104743444B (en) | 2015-03-10 | 2015-03-10 | Laterally turning method of large panel framework type workpiece |
Publications (2)
| Publication Number | Publication Date |
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| CN104743444A CN104743444A (en) | 2015-07-01 |
| CN104743444B true CN104743444B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265135B (en) * | 2017-02-25 | 2020-10-20 | 枣庄润田车业有限公司 | Packing method of container transport semitrailer |
| CN107416545A (en) * | 2017-07-07 | 2017-12-01 | 武汉施密茨挂车有限公司 | A kind of packing method of Container Transport semi-mounted vehicle |
| CN109626213B (en) * | 2019-01-25 | 2021-01-15 | 中铁四局集团第三建设有限公司 | Construction method for quickly entering underground diaphragm wall super-long reinforcement cage into groove through one-time hoisting |
| CN110523906B (en) * | 2019-10-08 | 2021-01-05 | 上海电气上重铸锻有限公司 | Simple turning-over method for large-sized cylinder forging |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050020260A (en) * | 2003-08-21 | 2005-03-04 | 현대중공업 주식회사 | Cargo lifting method using diagonal tensioning system |
| JP4399343B2 (en) * | 2004-11-16 | 2010-01-13 | ミサワホーム株式会社 | Panel suspension method |
| KR100831070B1 (en) * | 2007-05-09 | 2008-05-20 | 한국고벨주식회사 | Turning device for hoist |
| CN202201622U (en) * | 2010-09-20 | 2012-04-25 | 南京宝色股份公司 | Overturning plate lifting tool |
| CN202729605U (en) * | 2012-06-19 | 2013-02-13 | 国家核电技术有限公司 | Support device used in turning of large-scale workpiece |
| CN102953391B (en) * | 2012-10-27 | 2015-04-29 | 山东港湾建设集团有限公司 | Rectangular caisson lifting and launching device and method |
| CN103496631B (en) * | 2013-09-29 | 2015-04-29 | 中冶陕压重工设备有限公司 | Method for vertically hanging rolling mill housing |
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