CN206126652U - Balanced hoist device of nuclear power station steel dome - Google Patents
Balanced hoist device of nuclear power station steel dome Download PDFInfo
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- CN206126652U CN206126652U CN201620872699.5U CN201620872699U CN206126652U CN 206126652 U CN206126652 U CN 206126652U CN 201620872699 U CN201620872699 U CN 201620872699U CN 206126652 U CN206126652 U CN 206126652U
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- wire rope
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- dome
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Abstract
The utility model discloses a balanced hoist device of nuclear power station steel dome, the cooperation hoisting machinery uses, and it reaches fixed unit including hoisting the unit, and the hoist and mount unit hangs wire rope, the balanced pulley of at least one deck and at least one deck assistance including the owner and hangs wire rope, fixed unit includes two piece at least fixed ropes, and is fixed in the 2nd adjusting device of fixed rope lower extreme, main when hanging two wire rope more than or equal to, the end that wire rope was hung in the arbitrary assistance of hanging the corresponding last one deck of wire rope every owner is fixed with and is used for adjusting the adjusting device that wire rope balanced stress was hung in corresponding assistance, fixed unit includes two piece at least fixed ropes, and is fixed in the 2nd adjusting device of fixed rope lower extreme. The utility model discloses can guarantee the harmony of multiple spot hoist and mount atress and the accuracy nature of dome end opening levelness. The utility model is suitable for a hoist and mount of nuclear power station containment dome and installation for guarantee the harmony of hoist and mount atress and the accuracy nature of dome end opening levelness, also can be used for hoisting other segment forms, spherical crown form object.
Description
Technical field
This utility model belongs to weight lifting field, more particularly to a kind of nuclear power station steel dome balance hanging apparatus.
Background technology
The dome-shaped big body weight of nuclear power station steel, symmetrical lifting point are apart from each other, and because mouth under dome will be ensured during lifting
Levelness, therefore hoisting difficulty is big, needs to design the requirement that hanging apparatus meet steel dome integral hoisting.Conventional lifting dress
It is set to balance bar rod-type peace two kinds of pulley-type of weighing apparatus：The balance mode of balance bar rod-type is single, and structural form is complicated, using method
It is single；Equalizer pulley formula is usually used hoisting machinery and is vertically sling object by the lifting rope that is separately provided, the thing in hoisting process
Body is susceptible to rock, and further increases the pulling force to lifting rope, there is potential safety hazard.
Existing hanging apparatus are set on the steel wire rope of each suspension centre respectively using the method for 4 points or 8 points of multipoint hoisting
There is tunable arrangement, need repeatedly to adjust the length of every steel wire rope to reach overall stress balance, but can not realize that many suspension centres are received
The complete equipilibrium of power；Furthermore, if the stress of suspension centre is excessive, can not only increase the pulling force of lifting rope, and can affect using regulation
Device adjusts the accuracy of steel wire rope producing balanced forces, it is difficult to ensure the degree of accuracy of saliva Pingdu under dome.
Utility model content
Not enough more than present in prior art to solve, this utility model aims to provide a kind of nuclear power station steel dome and puts down
Weighing apparatus hanging apparatus, it is ensured that the accuracy of saliva Pingdu under the harmonious and dome of multipoint hoisting stress.
For achieving the above object, the technical scheme adopted by this utility model is as follows：
A kind of nuclear power station steel dome balances hanging apparatus, coordinates hoisting machinery to use, and it includes lifting elements and fixation
Unit；Wherein：
Lifting elements
The lifting elements include that master hangs steel wire rope, at least one of which equalizer pulley and at least one of which is auxiliary hangs steel wire rope；Wherein：
The master hangs the upper end concurrent of each of steel wire rope at the suspension hook of hoisting machinery, and each master hangs the lower end of steel wire rope
It is fixed with a ground floor equalizer pulley；
It is wound with each ground floor equalizer pulley that ground floor is auxiliary to hang steel wire rope；The lifting elements also include or do not wrap
Include second to M (M >=2) layer equilibration pulley and second and hang steel wire rope to M shell is auxiliary, ground floor, the second layer ..., M shell according to
It is secondary to be distributed from top to bottom, from second layer equalizer pulley and the second layer are auxiliary hang steel wire rope, n-th layer（2≤N≤M）Equalizer pulley is solid
It is scheduled on（N-1）The auxiliary lower end for hanging steel wire rope of layer, and the total quantity of n-th layer equalizer pulley is the（N-1）Layer equilibration pulley sum
The twice of amount, be wound with each equalizer pulley one it is auxiliary hang steel wire rope, per layer auxiliary hang steel wire rope by vertical direction power when it is relative
Vertical substantially symmetrical about its central axis in dome is separated by distribution in pairs；
The lifting elements at least include that ground floor equalizer pulley hangs steel wire rope with ground floor is auxiliary；It is big that the master hangs steel wire rope
When equal to two, use is fixed with any one auxiliary end for hanging steel wire rope that corresponding last layer of steel wire rope is hung per root master
In corresponding auxiliary the first adjusting means for hanging steel wire rope force balance of adjustment；
Fixed cell
The fixed cell includes at least two static lines, and the second adjusting means for being fixed on static line lower end；
Hang on the suspension hook of the hoisting machinery per static line upper end described in root, when all static lines receive the power of vertical direction
Annular is distributed on around dome；
The lifting elements orlop is auxiliary to hang steel wire rope and the first adjusting means, the second adjusting means, with dome on
Otic placode is connected.
Used as a kind of improvement of the present utility model, first adjusting means, the second adjusting means structure are identical, including tune
Section pulley, for adjust adjust steel wire rope stress size lifting gear, and for detect adjust steel wire rope stress it is big
Little stress display；Wherein：
The adjustable pulley for being wound with regulation steel wire rope is fixed on the end of the auxiliary end for hanging steel wire rope of orlop or static line
End；
The regulation steel wire rope is mutually concatenated with the stress display, the lifting gear.
Used as further improvement of the utility model, the otic placode being connected with the lifting elements is arranged on together along axisymmetrical
On the circumference that one height level section is intersected with dome outer surface；
The auxiliary of each orlop equalizer pulley of the lifting elements hangs steel wire rope or the first adjusting means is connected with otic placode
During stress, the angle towards dome that the auxiliary extended line for hanging steel wire rope being wound with same layer equalizer pulley intersects composition is homogeneous
Deng；
The otic placode being connected with the fixed cell is distributed on sustained height horizontal cross-section and is intersected on circumference with dome outer surface；
When the fixed cell is connected with otic placode, have between any two static line and only one, top joining.
Further improve as of the present utility model, the otic placode being connected with the lifting elements is arranged in sustained height
Horizontal cross-section is intersected on circumference with dome outer surface, each orlop equalizer pulley of the lifting elements it is auxiliary hang steel wire rope or
First adjusting means be connected with otic placode stress when, the auxiliary steel wire rope that hangs of same layer is distributed on dome.
As it is of the present utility model it is another kind of improve, all of equalizer pulley is fixed pulley, and each equalizer pulley is provided with
Steel wire rope or auxiliary the first cord hole for hanging steel wire rope are hung for connecting master.
As further improvement of the utility model：
The adjustable pulley includes two groups of two-wheel groups for being separated by setting up and down, and every group of two-wheel group includes coaxially joining by wheel shaft
Former and later two pulleys for connecing；The upper connection sheet in upper two-wheel group protruding upward, lower two-wheel group are hinged with the wheel shaft of upper two-wheel group
Wheel shaft on be hinged with the lower connection sheet for protruding downward from lower two-wheel group；The part protruding upward of upper connection sheet, lower connection sheet
Downward projection of part, be equipped with the second cord hole for fixation steel wire rope to be adjusted.
The lifting gear is jack.
The stress display is ergometer.
This utility model also has a kind of improvement, and master is hung between steel wire rope and ground floor equalizer pulley, each layer equilibration pulley
It is auxiliary with upper strata hang between steel wire rope, the first adjusting means and orlop it is auxiliary hang between steel wire rope, static line and the second adjusting means
Between, orlop is auxiliary hangs between steel wire rope and otic placode, between the first adjusting means and otic placode, and the second adjusting means and otic placode
Between all by snap ring be connected.
As a result of above-mentioned technical scheme, compared with prior art, acquired beneficial effect is this utility model：
（1）Lifting elements of the present utility model are risen by arranging at least one of which equalizer pulley and the auxiliary steel wire rope that hangs of at least one of which
Hang dome, on the one hand, according to the characteristics of steel wire rope stress is equal on pulley, only last layer of steel wire rope need to be hung in different masters auxiliary
Hang steel cord ends and fix the first adjusting means, reduce the quantity of the first adjusting means and needing and adjust auxiliary steel wire rope stress of hanging
Number of times, easily realizes the stress balance of multiple suspension centres；On the other hand, single master can be reduced and hangs the pulling force suffered by steel wire rope, it is ensured that
First adjusting means adjusts the auxiliary accuracy for hanging steel wire rope stress；
（2）Fixed cell of the present utility model can make dome be not susceptible to shake in hoisting process by arranging static line
It is dynamic, it is ensured that the stability of dome；
（3）Adjusting means of the present utility model makes by lifting gear to adjust steel due to being provided with adjustable pulley, not only
Cord is more laborsaving, and can realize more accurately adjusting steel wire rope stress, it is ensured that the degree of accuracy of regulation and sensitivity；
Furthermore, stress display is provided with adjusting means, is allowed an operator to according to detecting accurately receiving for per root steel wire rope to be adjusted
Force data, targetedly and relatively precisely adjusts the stress of steel wire rope, makes every steel wire rope meet the requirement of stress equalization；
（4）This utility model overall structure all can be assembled and dismantle, and be readily transported, can Reusability, save engineering cost；
（5）This utility model hanging apparatus can pass through LOAD FOR, it is ensured that the safety of hoisting process and lifting quality；
（6）During lifting dome, staff can complete this utility model on ground, and operating process is easy, carries
High lifting efficiency；
（7）This utility model hanging apparatus simple structure, easy to connect, balance sensitivity, degree of regulation are high, it is easy to construct.
This utility model is applied to nuclear power plant containment shell dome lifting and fixing and installation, for ensure the harmonious of lifting stress and
The accuracy of saliva Pingdu under dome, it is also possible to for lifting other segment shapes, spherical crown shape object.
Description of the drawings
Below in conjunction with the accompanying drawings and specific embodiment is further described in detail to this utility model.
Structural representations of the Fig. 1 for this utility model embodiment；
The first the suspending way schematic diagram of Fig. 2 for the rope of this utility model embodiment；
Second suspending way schematic diagrams of the Fig. 3 for the rope of this utility model embodiment；
Front views of the Fig. 4 for the equalizer pulley of this utility model embodiment；
Left views of the Fig. 5 for Fig. 4；
Front views of the Fig. 6 for the adjustable pulley 10 of this utility model embodiment；
Left views of the Fig. 7 for Fig. 6；
The first the winding mode schematic diagram of Fig. 8 for the regulation steel wire rope 11 of this utility model embodiment；
Second winding mode schematic diagrams of the Fig. 9 for the regulation steel wire rope 11 of this utility model embodiment.
In figure：1st, suspension hook；2nd, master hangs steel wire rope；3rd, ground floor equalizer pulley；4th, ground floor is auxiliary hangs steel wire rope；5th, the second layer
Equalizer pulley；6th, the second layer is auxiliary hangs steel wire rope；7th, third layer equalizer pulley；8th, third layer balance rope；9a, first adjust dress
Put；9b, the second adjusting means；10th, adjustable pulley；10a, upper two-wheel group；10b, lower two-wheel group；11st, adjust steel wire rope；12nd, survey
Power meter；13rd, jack；14th, static line；151st, the first cord hole；152nd, the second cord hole.
Specific embodiment
A kind of nuclear power station steel dome of embodiment balances hanging apparatus
A kind of nuclear power station steel dome balances hanging apparatus, coordinates hoisting machinery to use,
As shown in figs 1-9, the present embodiment includes suspension hook 1, master hangs steel wire rope 2, ground floor equalizer pulley 3, ground floor is auxiliary hangs
Steel wire rope 4, the second layer equalizer pulley 5, second layer be auxiliary hang steel wire rope 6, third layer equalizer pulley 7, third layer it is auxiliary hang steel wire rope 8,
First adjusting means 9a, the second adjusting means 9b, adjustable pulley 10, regulation steel wire rope 11, ergometer 12, jack 13, static line
14, and the first cord hole 151, the second cord hole 152.Generally speaking, it includes hanging on lower end and by dome upwards dome
Pull-up and the lifting elements that dome moves can be driven in the presence of hoisting machinery, and ensure the fixed single of dome stability
Unit.Wherein：
Lifting elements include that master hangs steel wire rope 2, at least one of which equalizer pulley and at least one of which is auxiliary hangs steel wire rope.Fixed cell
Including static line 14 and the second adjusting means 9b.
Hoisting machinery in the present embodiment adopts a specifications and models for CC8800-1250t crawler crane tools, principal arm 60
When rice, 60 meters of auxiliary, 220t counterweights and 100t additional bob-weights, 34 meters of the radius of clean-up, 125 meters of lifting altitude, specified lifting
Measure as 287 tons, gross weight and the ratio of hoisting machinery rated load weight that its rate of load condensate is lifted by hoisting machinery, i.e.,
204.5t/287t=71%, meets dome（During the present embodiment application, the actual size of dome is Φ 36m, and weight is 176.9t）'s
Lifting requirements.
Lifting elements hang steel wire rope 2 using two masters, and two masters hang the anchor-shaped hook knot that steel wire rope 2 is hung in hoisting machinery
In two symmetrical single hooks of the suspension hook 1 of structure, each master is made to hang the upper end concurrent of steel wire rope 2 at the suspension hook 1 of hoisting machinery.
Each master hangs the lower end of steel wire rope 2 and is fixed with a ground floor equalizer pulley 3, on two ground floor equalizer pulleys 3
Respectively it is wound with that ground floor is auxiliary to hang steel wire rope 4.As shown in Figure 4,5, equalizer pulley is by upper for the front view and left view of equalizer pulley
The two fixed pulley compositions fixed by connecting plate down, two fixed pulleys are all fixed on connecting plate by wheel shaft, upper fixed pulley
Wheel shaft center is provided with the first cord hole cord hole 151, enables master to hang steel wire rope 2 or the auxiliary steel wire rope that hangs is connected to equalizer pulley by snap ring
On.Ground floor equalizer pulley 3 adopts maximum load for upper and lower two single-sheaved blocks of 150t, then ground floor equalizer pulley 3 can bear
Maximum load is 2 × 150t=300t, and the load that ground floor equalizer pulley 3 actually bears is less than 204t, and its rate of load condensate is
204t/300t=68%, meets lifting requirements.Two masters hang steel wire rope 2 and the auxiliary specifications and models for hanging steel wire rope 4 of two ground floors are equal
For Φ 83-6 × 61+1-170-8m, four sections of loads, master hang that steel wire rope 2 is auxiliary with ground floor to hang steel wire rope 4 and vertical direction angle
18 ° are, four breaking force of rope summations are 331.6t, and the gross weight for being carried is 177.97t, and rate of load condensate is distributed to be received
Power, the safety coefficient that homophony steel wire rope 2 is auxiliary with ground floor to hang steel wire rope 4 is：
Meet safety and specify that jack line has the requirement of flexing 6-8.
Auxiliary four ends for hanging steel wire rope 4 of ground floor are respectively by the connection of the first cord hole 151 one of second layer equalizer pulley 5
Individual second layer equalizer pulley 5, is wound with each second layer equalizer pulley 5 that second layer is auxiliary to hang steel wire rope 6.Four second layers are put down
Weighing apparatus pulley 5 adopts maximum load for two single-sheaved blocks up and down of 80t, the then maximum load that second layer equalizer pulley 5 can bear
For 4 × 80t=320t, and the load that second layer equalizer pulley 5 actually bears is less than 204t, and its rate of load condensate is 204t/320t=
64%, meet lifting requirements.The auxiliary specifications and models for hanging steel wire rope 6 of four second layers are Φ 60.5-6 × 37+1-170-16m, and 8
Section load, the second layer is auxiliary to be hung 6 angle of steel wire rope and is 20 ° with vertical direction, and four second layers are auxiliary, and to hang 6 rupture pull force of steel wire rope total
With for 190t, the gross weight for being carried is 160t, rate of load condensate distribution stress, and the safety coefficient that the second layer is auxiliary to hang steel wire rope 6 is：
Meet safety and specify that jack line has the requirement of flexing 6～8.
Auxiliary eight ends for hanging steel wire rope 6 of the second layer are respectively by the connection of the first cord hole 151 one of third layer equalizer pulley 7
Individual third layer equalizer pulley 7, is wound with each third layer equalizer pulley 7 that third layer is auxiliary to hang steel wire rope 8.
Eight third layer equalizer pulleys 7 adopt maximum load for two single-sheaved blocks up and down of 40t, then third layer balance is slided
The maximum load that wheel 7 can bear is 8 × 40t=320t, and the load that third layer equalizer pulley 7 actually bears is less than 204t, its
Rate of load condensate is 204t/320t=64%, meets lifting requirements.
The six roots of sensation is not connected to the auxiliary specifications and models for hanging steel wire rope 8 of third layer of the first adjusting means 9a and is Φ 39-6 × 37+
1-170-37m, the auxiliary specifications and models for hanging steel wire rope 8 of third layer of two the first adjusting meanss 9a of connection are Φ 39-6 × 37+
1-170-34m, 16 sections of loads, third layer is auxiliary to hang steel wire rope 8 and is 20 ° with vertical direction angle, and eight third layer are auxiliary to hang steel wire
8 rupture pull force summations of restricting be 78.7t, the gross weight for being carried be 177.97t, rate of load condensate distribution stress, third layer is auxiliary to hang steel wire
Rope 8 safety coefficient be：
Meet safety and specify that jack line has the requirement of flexing 6～8.
Fixed cell adopts four main static lines 14, four static lines 14 to be hung on the suspension hook 1 of hoisting machinery two-by-two,
Enable to be evenly distributed on dome during 14 stress of static line.
Static line 14 plays firm dome in hoisting process, does not share the weight of dome lifting and fixing, fixes per root
Rope 14 is calculated according to 10t, and the specifications and models of four static lines 14 are Φ 34.5-6 × 37+1-170,1 section of load, and four solid
Surely 14 rupture pull force summations of restricting be 61.25t, the gross weight that can be carried be 10t, rate of load condensate be distributed stress, the peace of static line 14
Overall coefficient is：
Meet safety and specify that jack line has the requirement of flexing 6～8.
First adjusting means 9a be used to adjusting it is corresponding it is auxiliary hang steel wire rope force balance, due to being wound on pulley two ends steel wire rope
Suffered pulling force is identical, therefore the auxiliary stress for hanging steel wire rope 8 of third layer that 2 lower end of steel wire rope is hung per root master is equal, only needs to adjust
The auxiliary stress size for hanging any one in steel wire rope 8 of 2 corresponding third layer of steel wire rope is hung per root master, you can realize 16 suspension centres
Stress balance, it is ensured that the accuracy of saliva Pingdu under dome.Therefore, two the first adjusting meanss 9a are separately fixed at two masters and hang
The auxiliary lower end for hanging any one in steel wire rope 8 of 2 corresponding third layer of steel wire rope.Second adjusting means 9b is used to adjust corresponding solid
Surely the force balance of rope 14, four the second adjusting meanss 9b are separately fixed at the end of four static lines 14.
First adjusting means 9a, the second adjusting means 9b structure are identical, including adjustable pulley 10, adjust steel wire rope 11,
Lifting gear and stress display.
As shown in Figure 6,7, adjustable pulley 10 is using two groups of two-wheel groups being separated by up and down for the structure of adjustable pulley 10 --- on
Two-wheel group 10a and lower two-wheel group 10b.Upper two-wheel group 10a is identical with lower two-wheel group 10b structure, leads to horizontally disposed jointed shaft
Former and later two pulley coaxle connections are formed.So as to the adjustable pulley 10 is 2 × 2 assembly pulleys.
The upper connection sheet in upper two-wheel group 10a protruding upward, lower two-wheel group are hinged with the jointed shaft of upper two-wheel group 10a
The lower connection sheet for protruding downward from lower two-wheel group 10b is hinged with the jointed shaft of 10b.
Two-wheel group 10b under the part in upper two-wheel group 10a protruding upward of upper connection sheet, the protruding downward from of lower connection sheet
Part, is equipped with for fixing the second cord hole 152 of the end of the auxiliary end for hanging steel wire rope of orlop or static line 14.
The maximum load that six adjustable pulleys 10 can bear is 20t, and the load that adjustable pulley 10 actually bears is less than
12.5t, its rate of load condensate are 12.5t/20t=62.5%, meet lifting requirements.The six roots of sensation adjusts the specifications and models of steel wire rope 11 and is Φ
26-6 × 37+1-170-6.6m, 2 sections of loads, it is 34.95t that the six roots of sensation adjusts 11 rupture pull force summation of steel wire rope, and what is carried is total
Weight is 177.97t/16=11.12t, rate of load condensate distribution stress, and the safety coefficient for adjusting steel wire rope 11 is：
The safety coefficient of regulation steel wire rope 11 meets safety and specifies that jack line has the requirement of flexing 6～8.
Stress display adopts specifications and models for LK-200, the ergometer 12 that maximum load is 20t, for detecting regulation steel
11 stress size of cord.
For adjusting the lifting gear of 11 stress of steel wire rope using jack 13, Lever Blocks or electric block, the present embodiment
Specifications and models are adopted for HS-5, the jack 13 that lifting capacity is 5t.
Manual-chain counterclockwise or rotating clockwise jack 13 adjust per root in adjustable pulley 10 steel wire rope 11 to change
Stress, and then change the auxiliary stress for hanging steel wire rope or static line 14 that connected of adjustable pulley 10, realize the harmony of stress.
The winding mode for adjusting steel wire rope 4 is alternative：
When the connection ergometer 12 of steel wire rope 11 and jack 13 are adjusted using one, adjust 11 winding mode of steel wire rope as schemed
Shown in 8, the two ends for adjusting steel wire rope 11 are connected with the two ends of ergometer 12 and jack 13 after concatenation respectively；
When 2. the connection ergometer 12 of steel wire rope 11 and jack 13 are adjusted using two, adjust 11 winding mode of steel wire rope as schemed
Shown in 9, the two ends that steel wire rope 11 is adjusted per root are connected with the two ends of ergometer 12 and jack 13 respectively.
The otic placode being connected with lifting elements is arranged on sustained height horizontal cross-section along axisymmetrical and is intersected with dome outer surface
On circumference, 12 third layer of lifting elements are auxiliary hang steel wire rope 8 and 2 the first adjusting meanss 9a be connected with otic placode stress when, should
The angle towards dome that the auxiliary extended line for hanging steel wire rope being wound with guarantee same layer equalizer pulley intersects composition is equal,
Every steel wire rope producing balanced forces of lifting elements are enable to realize.The otic placode being connected with fixed cell is distributed on sustained height level and is cut
Face is intersected on circumference with dome outer surface, and fixed cell and otic placode should avoid intersecting between static line 14 when connecting, and make
Fixed cell static line 14 keeps dome stability realize.
The present embodiment by the way of optimal lifting elements steel wire rope is hung on dome, as shown in Fig. 2 single with lifting
16 otic placodes that unit is connected are distributed on sustained height horizontal cross-section and are intersected on circumference with dome outer surface, lifting elements each
Orlop equalizer pulley it is auxiliary hang steel wire rope or the first adjusting means 9a be connected with otic placode stress when, the auxiliary of same layer hangs steel wire rope
It is distributed on dome.The arrangement of this steel wire rope and equalizer pulley, can be prevented effectively between steel wire rope or equalizer pulley
Mutually wind, affect the regulation result of stress.Four otic placodes being connected with fixed cell are evenly arranged in and are connected with lifting elements
Otic placode institute circumferentially, fixed cell and otic placode avoid intersecting between static line when connecting.
With lifting elements be connected otic placode be circumferentially also evenly distributed with four otic placodes for being connected cable rope.
16 suspension centre average forces are dome weight divided by 16 suspension centres, i.e. 176.9t/16=11.06t, Jing sizes
It is 24t that design makes the load-bearing of each otic placode, and more than the average force of 16 suspension centres, otic placode can meet the intensity requirement of lifting.
Dome is hung to above nuclear power plant containment shell cylinder, by the way of welding by dome installation on containment cylinder
Side, Jing design weld sizes, every section of weld seam bearing capacity is 44.28t, and more than the average force of 16 suspension centres, weld seam holds
Loading capability disclosure satisfy that lifting requirements.
During using the present embodiment：
First, the nuclear power station steel dome balance hanging apparatus for assembling in advance and dome, suspension hook are connected；
2nd, examination lifting
Hoisting machinery is in place, makes 1 center of suspension hook conllinear with the vertical central shaft of dome；
Raising suspension hook 1, the vertical displacement produced by raising process suspension hook 1 just hang steel wire rope 2, auxiliary hang at steel wire rope to master
In the state that is stretched and dome is without stopping lifting during displacement upwards；Exclude master hang mutual winding that may be present between steel wire rope 2,
It is auxiliary to hang mutual winding that may be present between steel wire rope；
It is according to 12 registration of the first adjusting means 9a ergometer, auxiliary using 13 coarse adjustment orlop of the first adjusting means 9a jack
The length of steel wire rope is hung, makes the auxiliary steel wire rope that hangs of every orlop isometric in the part of corresponding equalizer pulley both sides, while ensureing
The difference of the first 12 registration of ergometer of adjusting means 9a two is not more than 0.5t；
Raising suspension hook 1, is positioned away from ground in dome and height which is located be enough to make station operation on the ground again
When being capable of the differing heights of the first adjusting means 9a of manual operation jack 13, repeatedly stop lifting by crane and restarting lifting action extremely
Next height；
After every time stopping lifting and before restarting lifting, master is made to hang force balance between steel wire rope 2, per layer of auxiliary steel wire rope that hangs
Force balance between each rope：Exclusion master hangs mutual winding that may be present between steel wire rope 2, the auxiliary possibility hung between steel wire rope and deposits
Mutual winding, the vertical central shaft using center and dome that theodolite adjustment suspension hook 1 is arranged in dome both sides is conllinear, together
When according to 12 registration of the first adjusting means 9a ergometer, using the adjustment of the first adjusting means 9a jack 13, orlop is auxiliary hangs steel wire rope
Length until each auxiliary part in corresponding equalizer pulley both sides for hanging steel wire rope is isometric, and utilizes ruler or level gauge to examine
The levelness of mouth under dome is looked into, dome horizontal departure is controlled within 5cm；
According to 12 registration of the second adjusting means 9b ergometer, adjustment second adjusts 9b devices jack 13, makes four dynamometry
The difference of maxima and minima of 12 registrations is counted within 0.5t, 14 annular of static line is distributed on around dome, is completed dome
Steadiness is fixed, and makes hoisting process not unstability.
Dome lifting and fixing should be carried out being not more than under the weather of three-level without rain, fogless, wind speed after examination lifting：
To avoid the dome during lifting from spinning, if cable rope otic placode connection corresponding to dome, sends special messenger to be responsible for pulling
The control of wind rope；
Hoisting machinery runs to the arm lifting of energy Jing hoisting machineries, revolution just makes dome drop down onto above containment cylinder
Position, the hoisting machinery speed of travel as little as in hoisting machinery walking process dome without rocking；
Raising suspension hook 1, to dome higher than stopping lifting during containment cylinder；
Dome is made to go to above containment cylinder the arm revolution of hoisting machinery, 1 position of adjustment suspension hook, in making suspension hook
The heart, the vertical central shaft of dome, containment cylinder vertical central shaft it is conllinear；
Suspension hook 1 be down to make mouth and cylinder under dome suitable for reading at a distance of about 20cm when, repeat adjustment suspension hook 1 make under dome mouth with
Containment cylinder datum mark suitable for reading is corresponding；
Suspension hook 1 be down to make mouth and cylinder under dome suitable for reading at a distance of about 10cm when, repeat adjustment suspension hook 1 make under dome mouth with
Containment cylinder datum mark suitable for reading is corresponding；
After making dome be down to contact suitable for reading with cylinder, mouth whether up and down phase suitable for reading with containment cylinder under dome is checked
Should；
If under dome mouth it is suitable for reading with containment cylinder up and down to it is corresponding when lifting terminate.Into step 9.；
If under dome mouth it is suitable for reading with containment cylinder fail up and down to it is corresponding when repeat stepWith, until under dome
Mouth is suitable for reading to containment cylinder corresponding up and down, and lifting terminates.Into step 9..
9. assemble comprehensively
In the steel plate of cylinder 50 × 50mm that thickness 2mm is along the circumferential direction placed every 1m suitable for reading, dome is carried out with cylinder
Tack weld, then carries out full weld；
10., when electric welding scope reaches 100%, remove suspension hook 1；Steel plate is removed by spot welding position buffing machine.
Explanation：Master in the present embodiment is hung between steel wire rope 2 and ground floor equalizer pulley 3, each layer equilibration pulley with it is upper
Layer is auxiliary to be hung between steel wire rope, the first adjusting means 9a and orlop it is auxiliary hang between steel wire rope, static line 14 and the second adjusting means
Between 9b, orlop is auxiliary hangs between steel wire rope and otic placode, between the first adjusting means and otic placode, and the second adjusting means 9b with
All it is connected by snap ring between otic placode.Structure and usage that used snap ring is, it is same as the prior art.
Claims (10)
1. a kind of nuclear power station steel dome balances hanging apparatus, coordinates hoisting machinery to use, it is characterised in that：It includes that lifting is single
Unit and fixed cell；Wherein：
Lifting elements
The lifting elements include that master hangs steel wire rope, at least one of which equalizer pulley and at least one of which is auxiliary hangs steel wire rope；Wherein：
The master hangs the upper end concurrent of each of steel wire rope at the suspension hook of hoisting machinery, and each master hangs the lower end of steel wire rope and fixes
There is a ground floor equalizer pulley；
It is wound with each ground floor equalizer pulley that ground floor is auxiliary to hang steel wire rope；The lifting elements also include or do not include the
Two hang steel wire rope to M shell is auxiliary to M shell equalizer pulley and second, ground floor, the second layer ..., M shell successively from top to bottom
Distribution, from second layer equalizer pulley and the second layer are auxiliary hang steel wire rope, n-th layer equalizer pulley is fixed on the（N-1）Layer is auxiliary to hang steel
The lower end of cord, and the total quantity of n-th layer equalizer pulley is the（N-1）The twice of layer equilibration pulley total quantity, each balance are slided
Be wound with wheel one it is auxiliary hang steel wire rope, per layer auxiliary hang steel wire rope by vertical direction power when relative to dome vertical central shaft pair
Ground is claimed to be separated by distribution in pairs；Wherein, M >=2,2≤N≤M；
The lifting elements at least include that ground floor equalizer pulley hangs steel wire rope with ground floor is auxiliary；The master hang steel wire rope more than etc.
When two, it is fixed with for adjusting in any one auxiliary end for hanging steel wire rope that corresponding last layer of steel wire rope is hung per root master
Whole corresponding auxiliary the first adjusting means for hanging steel wire rope force balance；
Fixed cell
The fixed cell includes at least two static lines, and the second adjusting means for being fixed on static line lower end；
Hang on the suspension hook of the hoisting machinery per static line upper end described in root, all static lines by vertical direction power when annular
It is distributed on around dome；
The lifting elements orlop is auxiliary to hang steel wire rope and the first adjusting means, the second adjusting means, with dome on otic placode
It is connected.
2. a kind of nuclear power station steel dome according to claim 1 balances hanging apparatus, it is characterised in that：
First adjusting means, the second adjusting means structure are identical, including adjustable pulley, receiving for regulation steel wire rope
The lifting gear of power size, and for detecting the stress display of the stress size for adjusting steel wire rope；Wherein：
The adjustable pulley for being wound with regulation steel wire rope is fixed on the end of the auxiliary end for hanging steel wire rope of orlop or static line；
The regulation steel wire rope is mutually concatenated with the stress display, the lifting gear.
3. a kind of nuclear power station steel dome according to claim 2 balances hanging apparatus, it is characterised in that：
The otic placode being connected with the lifting elements is arranged on sustained height horizontal cross-section along axisymmetrical and is intersected with dome outer surface
Circumference on；
The auxiliary of each orlop equalizer pulley of the lifting elements hangs steel wire rope or the first adjusting means is connected with otic placode stress
When, the angle towards dome that the auxiliary extended line for hanging steel wire rope being wound with same layer equalizer pulley intersects composition is equal；
The otic placode being connected with the fixed cell is distributed on sustained height horizontal cross-section and is intersected on circumference with dome outer surface；It is described
When fixed cell is connected with otic placode, have between any two static line and only one, top joining.
4. a kind of nuclear power station steel dome according to claim 3 balances hanging apparatus, it is characterised in that：
The otic placode being connected with the lifting elements is arranged in sustained height horizontal cross-section and is intersected on circumference with dome outer surface, institute
State lifting elements each orlop equalizer pulley it is auxiliary hang steel wire rope or the first adjusting means be connected with otic placode stress when, it is same
The auxiliary steel wire rope that hangs of layer is distributed on dome.
5. a kind of nuclear power station steel dome according to claim 1 and 2 balances hanging apparatus, it is characterised in that：It is all of
Equalizer pulley is fixed pulley, and each equalizer pulley is provided with and hangs steel wire rope or auxiliary the first cord hole for hanging steel wire rope for connecting master.
6. a kind of nuclear power station steel dome according to claim 2 balances hanging apparatus, it is characterised in that：Described regulation is slided
Wheel includes two groups of two-wheel groups for being separated by setting up and down, and every group of two-wheel group includes former and later two pulleys coaxially coupled by wheel shaft；
The upper connection sheet in upper two-wheel group protruding upward is hinged with the wheel shaft of upper two-wheel group, is hinged with the wheel shaft of lower two-wheel group
Protrude downward from the lower connection sheet of lower two-wheel group；
The part protruding upward of upper connection sheet, the downward projection of part of lower connection sheet, are equipped with for fixation steel wire to be adjusted
Second cord hole of rope.
7. a kind of nuclear power station steel dome according to claim 2 balances hanging apparatus, it is characterised in that：Described heavy industry
Have for jack.
8. a kind of nuclear power station steel dome according to claim 2 balances hanging apparatus, it is characterised in that：The stress shows
Show that device is ergometer.
9. a kind of nuclear power station steel dome according to any one in claim 1-4,6-8 balances hanging apparatus, and which is special
Levy and be：Master is hung between steel wire rope and ground floor equalizer pulley, each layer equilibration pulley and upper strata it is auxiliary hang between steel wire rope, first
Adjusting means and orlop it is auxiliary hang between steel wire rope, between static line and the second adjusting means, orlop is auxiliary hangs steel wire rope and ear
Between plate, between the first adjusting means and otic placode, and all it is connected by snap ring between the second adjusting means and otic placode.
10. a kind of nuclear power station steel dome according to claim 5 balances hanging apparatus, it is characterised in that：Master hangs steel wire
Rope and ground floor equalizer pulley between, each layer equilibration pulley and upper strata it is auxiliary hang between steel wire rope, the first adjusting means with most under
Layer is auxiliary to be hung between steel wire rope, between static line and the second adjusting means, orlop it is auxiliary hang between steel wire rope and otic placode, first is adjusted
Between device and otic placode, and all it is connected by snap ring between the second adjusting means and otic placode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872699.5U CN206126652U (en) | 2016-08-12 | 2016-08-12 | Balanced hoist device of nuclear power station steel dome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872699.5U CN206126652U (en) | 2016-08-12 | 2016-08-12 | Balanced hoist device of nuclear power station steel dome |
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| Publication Number | Publication Date |
|---|---|
| CN206126652U true CN206126652U (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620872699.5U Withdrawn - After Issue CN206126652U (en) | 2016-08-12 | 2016-08-12 | Balanced hoist device of nuclear power station steel dome |
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| CN (1) | CN206126652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081871A (en) * | 2016-08-12 | 2016-11-09 | 河北省电力建设第工程公司 | A kind of nuclear power station steel dome balance crane assembling device |
-
2016
- 2016-08-12 CN CN201620872699.5U patent/CN206126652U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081871A (en) * | 2016-08-12 | 2016-11-09 | 河北省电力建设第工程公司 | A kind of nuclear power station steel dome balance crane assembling device |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170426 Effective date of abandoning: 20170922 |