CN104354830A - Hoisting method - Google Patents
Hoisting method Download PDFInfo
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- CN104354830A CN104354830A CN201410579686.4A CN201410579686A CN104354830A CN 104354830 A CN104354830 A CN 104354830A CN 201410579686 A CN201410579686 A CN 201410579686A CN 104354830 A CN104354830 A CN 104354830A
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- hanging beam
- suspension centre
- weight
- hoisting
- hanging
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Abstract
The invention discloses a hoisting method. The hoisting method comprises the following steps: S1, selecting a pressing block and a hoisting beam; S2, calculating a first gravity center and a second gravity center; S3, setting a first hoisting point group between the first gravity center and an endpoint of the hoisting beam, and setting a second hoisting point group on the hoisting beam between the second gravity center and a carrying subject; S4, setting a third hoisting point group on the hoisting beam between the endpoint of the hoisting beam and the first hoisting point group; S5, suspending the first hoisting point group and the second hoisting point group on first hoisting equipment, and suspending the third hoisting point group on second hoisting equipment; S6, hoisting. In a hoisting and translating way, the carrying subject is sent into a building, so that construction work can be performed after the main body of the building is completed, and the construction cost is reduced; furthermore, through arrangement of the proper hoisting points on the hoisting beam and through real-time balance adjustment during construction, the construction is higher in safety and easier to operate.
Description
Technical field
The present invention relates to a kind of hanging method.
Background technology
At present, in ship building process, the weight of large-scale batten down part equipment is at about 10 tons.This type of equipment hoisting is all generally first put in place by equipment hoisting, carries out the construction of next stage after batten down.But in actual production process, often occur the situation of equipment to evening delivery date, this generates following problem: on the one hand, stop building after ship building to certain phase, until equipment arrival hangs the construction carrying out next stage after ship is installed.If this kind equipment is more, will have a strong impact on ship building progress, lasting extension causes economic loss; Equipment is not waited on the other hand, the construction of continuous next stage after ship building to certain phase.After post facility arrival, lease large-scale fork-lift truck equipment is gone from the side horizontal shift-in closed.Can ensure construction progress like this, but the large and fork truck that lifting altitude is high of load carrying ability can be met at present seldom and to lease funds very expensive, so also greatly can increase the laid down cost of boats and ships.
Summary of the invention
The technical problem to be solved in the present invention be in order to overcome prior art with high costs and in the vertical direction of target location, have a shelter time lifting operation cannot complete the defect falling step, provide a kind of cost lower, do not place conveyance target and the hanging method that can carry out operation after fabrication binds by falling mode.
The present invention solves above-mentioned technical matters by following technical proposals:
A kind of hanging method, its feature is, it includes following steps:
S1, choose a briquetting, a hanging beam.
Herein, arranging briquetting and hanging beam is will transport target supporting by lever principle, and because the common center of gravity of three in the horizontal direction can away from conveyance target, the top therefore transporting target can not arrange lifting rope.So, even if also target can will be transported by the mode of translation again of slinging when fabrication binds send into fabrication inside.
S2, calculate described briquetting and conveyance target when being positioned over the two ends of described hanging beam respectively, the common center of gravity of described briquetting and described hanging beam is also designated as the first center of gravity, and the common center of gravity calculating described briquetting, described hanging beam and described conveyance target is designated as the second center of gravity;
S3, described first center of gravity and be placed with described briquetting side described hanging beam end points between described hanging beam on one first suspension centre group is set, the described hanging beam between described second center of gravity and described conveyance target is arranged one second suspension centre group;
S4, described hanging beam between the end points of described hanging beam being placed with described briquetting side and described first suspension centre group arrange one the 3rd suspension centre group;
Herein, the related content that arranges of three suspension centres is described in detail.When conveyance target and briquetting are all pressed on hanging beam, at least need two groups of lifting ropes hanging beam can be sling and keep balance, the suspension centre of these two groups of lifting ropes must divide the both sides being in the common center of gravity of three (i.e. above-mentioned second center of gravity).
Because lifting operation carries out in process, after conveyance target arrives target location and unloads conveyance target, center of gravity can offset towards briquetting side, now to keep balance, also must arrange two groups of suspension centres in the both sides of the first center of gravity.Therefore, in the simplest scheme, at least need the suspension centre of the two groups of lifting ropes both sides that respectively the first center of gravity, the second center of gravity are common.
In addition, owing to needing in lifting operation that conveyance target level is stretched into fabrication, therefore, the vertical direction of conveyance target can not have lifting rope, otherwise can interfere with fabrication.
Then, when conveyance target is removed, when transfer occurs center of gravity, the meeting run-off the straight of hanging beam certainty is in the one end being placed with briquetting, at this moment must by arranging an adjustable lifting rope pull-up hanging beam again, the suspension centre of this lifting rope should than the first suspension centre group closer to the end points being placed with briquetting one end.
S5, described briquetting and conveyance target are positioned over the two ends of described hanging beam respectively, described first suspension centre group and described second suspension centre group are all suspended to one first weight-lifting equipment by lifting rope, and described 3rd suspension centre group is suspended to one second weight-lifting equipment;
S6, by the 3rd suspension centre group described in described second weight-lifting equipment pulling with the balance adjusting described hanging beam while, by described first weight-lifting equipment, lifting operation is implemented to described hanging beam.
Herein, in general, in pull-up the 3rd suspension centre group, the pulling force of the second weight-lifting equipment of lifting rope is low relative to the first weight-lifting equipment, and therefore, the 3rd suspension centre group should be tried one's best near end points to obtain larger moment.Simultaneously, lifting rope group due to the 3rd suspension centre does not bear the task of main load-bearing, and the main task of load-bearing is still completed by the lifting rope of the first suspension centre group and the second suspension centre group, therefore, in S3, the first suspension centre group also cannot be arranged between the first center of gravity and the second center of gravity.
Preferably, described S6 for: by the 3rd suspension centre group described in described second weight-lifting equipment pulling with the balance adjusting described hanging beam while, vertically sling after described hanging beam with described first weight-lifting equipment, in horizontal direction, the described hanging beam being placed with described conveyance target one end is moved to target location;
Also include after described S6: S7, by the 3rd suspension centre group described in described second weight-lifting equipment pull-up with while the balance adjusting described hanging beam, utilize described first weight-lifting equipment, unload after described conveyance target from described hanging beam, more described hanging beam parallel motion is left described target location be vertically lowered to initial position again.
That is, carry out lifting operation by the mode of parallel motion of vertically slinging again herein, avoid the top from fabrication, and then former road returns.
Preferably, S41 is included between described S4 and described S5: by described conveyance target by climbing the mode colligation of hanging.
Preferably, described S4 is: on the end points of described hanging beam being placed with described briquetting side, arrange one the 3rd suspension centre group.
Herein, the 3rd suspension centre group being arranged at end points can make moment maximize.
Preferably, between described S6 and described S7, include S61: before described conveyance target unloads, by described second weight-lifting equipment, pretension is applied to described 3rd suspension centre.
Herein, apply pretension can prevent from being easier to adjustment when transporting target and unloading.
Preferably, described first weight-lifting equipment is hoisting crane, and described second weight-lifting equipment is chain block.
Preferably, described hanging beam is the box-type section composite beam of inner reinforcement.
Positive progressive effect of the present invention is: will transport target by the mode of translation again of slinging and send into fabrication inside, and can carry out operation, reduce operating cost after fabrication binds; Further by arranging suitable suspension centre and adjust balance in real time by during operation on hanging beam, make the safety of operation high, more easy to operate.
Accompanying drawing explanation
Fig. 1 is the diagram of circuit of the hanging method of present pre-ferred embodiments.
Fig. 2 is the structural representation of the hoisting fixture of present pre-ferred embodiments.
Fig. 3 is the position relationship schematic diagram that the hanging beam of present pre-ferred embodiments stretches into the opening of target location
Detailed description of the invention
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
The hanging method that the present embodiment relates to is described for the 30D1 complete cross section of 3000 feet of drilling ships (S6030 wheel) voltage transformer pretended as heavy wares of hanging oneself, voltage transformer is to evening delivery date, and now 30D1 complete cross section hull structure always organizes end, voltage transformer cannot direct vertical lifting, can only lift up into from the side horizontal closed.Voltage transformer need be respectively installed to the position of BL5173 on 30D1 complete cross section two deck (distance ground is about 7 meters) and BL9837 (distance ground is about 12 meters), and existing fork truck rated load weight and lifting altitude need high cost to complete lifting operation.
Fig. 1 is the diagram of circuit of the hanging method of the present embodiment, and Fig. 2 is the structural representation of the hoisting fixture of the present embodiment, and as shown in Fig. 1 ~ 2, hanging method includes following steps:
Step 10, choose the foundary weight 2 of 10 tons heavy as briquetting, foundary weight 2 and voltage transformer 1, as hanging beam, are positioned over the two ends of hanging beam 3 by box-type section composite beam respectively that make an inner reinforcement.
The end of foundary weight 2 is long is 584mm, and the weight of voltage transformer 1 is 11.8 tons, and the end is long is 1320mm.Hanging beam 3 overall length is 9000mm.
The length of above-mentioned hanging beam 3 is according to formulae discovery: length=2 × (length+voltage transformer 1 rear end of voltage transformer 1 is to the distance supposing center of gravity)
Fig. 3 is the position relationship schematic diagram that hanging beam stretches into the opening of target location, as shown in Figure 3, assuming that the position of center of gravity is according to determining that following principle is determined: with on hanging beam 3 with stretch into open at one end and differ the point of a voltage transformer length for initial point, the point laid on the opening outer of the vertical direction of voltage transformer 1 to the target location that conveyance target will arrive makes emerging ray, with this initial point for the center of circle, length of steel rope is that radius is justified, and the intersection point of this circle and this ray is as supposing center of gravity position in the horizontal direction.
Hanging beam length=2 × (2.5 meters+2 meters)=9 meters
Hanging beam width: voltage transformer support width is 1 meter, foundary weight width is 1.2 meters.Therefore the hanging beam of design is T-shaped beam, two ends are wide is respectively 1 meter and 1.5 meters.
The height of the height-conveyance target of hanging beam height=target location opening.Both proof strength required and met construction to be advisable, and this example is high is 0.35 meter.
When step 20, calculating foundary weight 2 and voltage transformer 1 are positioned over the two ends of hanging beam 3 respectively, foundary weight 2 is designated as the first center of gravity with the common center of gravity of hanging beam 3, and the common center of gravity calculating foundary weight 2, hanging beam 3 and voltage transformer 1 is designated as the second center of gravity.
Only calculate object center-of-gravity position in the horizontal direction, formula is:
G: the weight of object;
X
c: the areal coordinates of object on X axis direction;
The regular wisp areal coordinates in the X-axis direction that ∑ Δ GX is split and the weight sum of products.
So trying to achieve the first center of gravity is 1420mm, and the second center of gravity is 3793mm.
Step 30, the first center of gravity and be placed with foundary weight 2 side hanging beam 3 end points between hanging beam 3 on suspension centre group 41 is set, the hanging beam 3 between the second center of gravity and voltage transformer 1 arranges suspension centre group 42.
Step 40, a suspension centre group 43 is set on the end points of hanging beam 3 being placed with foundary weight 2 side.
Step 401: arrange suspension centre group 44 and suspension centre group 45 in the both sides of voltage transformer 1 respectively, by voltage transformer 1 by climbing the mode colligation of hanging in suspension centre group 44 and suspension centre group 45.
Each suspension centre group is the hanger being arranged at hanging beam 3 both sides, first go out the lift heavy of each suspension centre according to the weight of voltage transformer 1, foundary weight 2, hanging beam 3 and the quantity of main load-bearing suspension centre and position calculation during hanger design, determine the size (hanger strength check) of each hanger again according to the yield stress [σ] of lift heavy, steel, computing formula is
Joint hinge material therefor is A level steel peculiar to vessel, its yield limit σ
s=2400kg/cm
2, get safety factor n=2, then permissible stress;
[σ]＝σ
s/n＝1200kg/cm
2
[τ]＝0.6[σ]＝0.6×1200＝720kg/cm
2
Outrigger, foundary weight, voltage transformer add up to weight to be 24.8 tons, main hanger 6, then single hanger maximum weighted is 5.4 tons, not average price COEFFICIENT K=1.5. during calculating
The minimum plane of shear area of hanger
Design hanger plane of shear area: S
a=52.5 × 10 × 2+97.5 × 22=31.95cm
2>=A
min
In addition, for preventing because weld has crack or stress to concentrate the phenomenon making hanger occur fail in tension, therefore the side plate of hanger and hanging beam needs overall setting-out blanking.
Need in addition to arrange auxiliary suspension centre, to ensure foundary weight 2, voltage transformer 1 can not skid off.
Step 50, suspension centre group 41 and suspension centre group 42 are all suspended to hoisting crane by lifting rope, suspension centre group 43 is suspended to chain block 5, and chain block 5 is connected with hoisting crane lifting rope again.
Step 60 is: by chain block 5 pulling suspension centre group 43 with the balance adjusting hanging beam 3 while, vertically sling after hanging beam 3 with hoisting crane, in horizontal direction, the hanging beam 3 being placed with voltage transformer 1 one end is moved to target location (and 30D1 complete cross section two deck).
Step 601: before voltage transformer 1 unloads, applies pretension by chain block 5 pairs of suspension centre groups 43.
Step 70, by chain block 5 pull-up suspension centre group 43 with while the balance adjusting hanging beam 3, unload voltage transformer 1 from hanging beam 3, utilize hoisting crane that hanging beam 3 parallel motion is left target location and be vertically lowered to initial position again.
In addition, before carrying out operation for the first time, lifting analogue test (replacing voltage transformer 1 by the counterweight suitable with voltage transformer 1 weight) can be carried out.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that this is only casehistory, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, and these change and amendment all falls into protection scope of the present invention.
Claims (7)
1. a hanging method, is characterized in that, it includes following steps:
S1, choose a briquetting and a hanging beam;
S2, calculate described briquetting and conveyance target when being positioned over the two ends of described hanging beam respectively, the common center of gravity of described briquetting and described hanging beam is also designated as the first center of gravity, and the common center of gravity calculating described briquetting, described hanging beam and described conveyance target is designated as the second center of gravity;
S3, described first center of gravity and be placed with described briquetting side described hanging beam end points between described hanging beam on one first suspension centre group is set, the described hanging beam between described second center of gravity and described conveyance target is arranged one second suspension centre group;
S4, described hanging beam between the end points of described hanging beam being placed with described briquetting side and described first suspension centre group arrange one the 3rd suspension centre group;
S5, described briquetting and conveyance target are positioned over the two ends of described hanging beam respectively, described first suspension centre group and described second suspension centre group are all suspended to one first weight-lifting equipment by lifting rope, and described 3rd suspension centre group is suspended to one second weight-lifting equipment;
S6, by the 3rd suspension centre group described in described second weight-lifting equipment pulling with the balance adjusting described hanging beam while, by described first weight-lifting equipment, lifting operation is implemented to described hanging beam.
2. hanging method as claimed in claim 1, it is characterized in that, described S6 for: by the 3rd suspension centre group described in described second weight-lifting equipment pulling with the balance adjusting described hanging beam while, vertically sling after described hanging beam with described first weight-lifting equipment, in horizontal direction, the described hanging beam being placed with described conveyance target one end is moved to target location;
Also include after described S6: S7, by the 3rd suspension centre group described in described second weight-lifting equipment pull-up with while the balance adjusting described hanging beam, utilize described first weight-lifting equipment, unload after described conveyance target from described hanging beam, more described hanging beam parallel motion is left described target location be vertically lowered to initial position again.
3. hanging method as claimed in claim 1, is characterized in that, include S41 between described S4 and described S5: by described conveyance target by climbing the mode colligation of hanging.
4. hanging method as claimed in claim 2, it is characterized in that, described S4 is: on the end points of described hanging beam being placed with described briquetting side, arrange one the 3rd suspension centre group.
5. hanging method as claimed in claim 4, is characterized in that, include S61 between described S6 and described S7: before described conveyance target unloads, and applies pretension by described second weight-lifting equipment to described 3rd suspension centre.
6. the hanging method according to any one of Claims 1 to 5, is characterized in that, described first weight-lifting equipment is hoisting crane, and described second weight-lifting equipment is chain block.
7. hanging method as claimed in claim 6, it is characterized in that, described hanging beam is the box-type section composite beam of inner reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579686.4A CN104354830B (en) | 2014-10-24 | Hoisting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579686.4A CN104354830B (en) | 2014-10-24 | Hoisting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104354830A true CN104354830A (en) | 2015-02-18 |
| CN104354830B CN104354830B (en) | 2017-01-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121351A (en) * | 2016-07-15 | 2016-11-16 | 沈阳建筑大学 | A kind of construction method of lifting frame lifting ashlar post |
| CN106429794A (en) * | 2016-11-28 | 2017-02-22 | 广州电力机车有限公司 | Diesel engine and electric generator lifting method |
| CN107082366A (en) * | 2017-04-24 | 2017-08-22 | 中国海洋石油总公司 | The lifting righting method of tension leg platform (TLP) tension tendon |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101301981A (en) * | 2008-05-23 | 2008-11-12 | 中国石油化工集团公司 | Hoisting method |
| CN201857225U (en) * | 2010-06-03 | 2011-06-08 | 中国机械工业建设总公司 | Hoisting device for bridge crane frame |
| CN102452603A (en) * | 2010-10-28 | 2012-05-16 | 金海重工股份有限公司 | Large ship superstructure hoisting method |
| CN103010954A (en) * | 2012-12-07 | 2013-04-03 | 中国建筑第八工程局有限公司 | Multi-point hoisting method for heterogeneous prefabricated part |
| KR20140041072A (en) * | 2012-09-27 | 2014-04-04 | 현대중공업 주식회사 | Apparatus for lifting a pad |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101301981A (en) * | 2008-05-23 | 2008-11-12 | 中国石油化工集团公司 | Hoisting method |
| CN201857225U (en) * | 2010-06-03 | 2011-06-08 | 中国机械工业建设总公司 | Hoisting device for bridge crane frame |
| CN102452603A (en) * | 2010-10-28 | 2012-05-16 | 金海重工股份有限公司 | Large ship superstructure hoisting method |
| KR20140041072A (en) * | 2012-09-27 | 2014-04-04 | 현대중공업 주식회사 | Apparatus for lifting a pad |
| CN103010954A (en) * | 2012-12-07 | 2013-04-03 | 中国建筑第八工程局有限公司 | Multi-point hoisting method for heterogeneous prefabricated part |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121351A (en) * | 2016-07-15 | 2016-11-16 | 沈阳建筑大学 | A kind of construction method of lifting frame lifting ashlar post |
| CN106121351B (en) * | 2016-07-15 | 2018-03-30 | 沈阳建筑大学 | A kind of construction method that ashlar post is lifted with lifting frame |
| CN106429794A (en) * | 2016-11-28 | 2017-02-22 | 广州电力机车有限公司 | Diesel engine and electric generator lifting method |
| CN106429794B (en) * | 2016-11-28 | 2018-06-19 | 广州电力机车有限公司 | A kind of hanging method of diesel engine and generator |
| CN107082366A (en) * | 2017-04-24 | 2017-08-22 | 中国海洋石油总公司 | The lifting righting method of tension leg platform (TLP) tension tendon |
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