CN104649128B - Special sling for hoisting extra-large structural modules for nuclear power plants - Google Patents

Special sling for hoisting extra-large structural modules for nuclear power plants Download PDF

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Publication number
CN104649128B
CN104649128B CN201510086264.8A CN201510086264A CN104649128B CN 104649128 B CN104649128 B CN 104649128B CN 201510086264 A CN201510086264 A CN 201510086264A CN 104649128 B CN104649128 B CN 104649128B
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CN
China
Prior art keywords
module
lifting
construction module
hoist cable
construction
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CN201510086264.8A
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Chinese (zh)
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CN104649128A (en
Inventor
鲁小军
邱国志
武绍彭
沈利刚
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鲁小军
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Priority to CN201510086264.8A priority Critical patent/CN104649128B/en
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Classifications

    • 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 discloses a special sling for the hoisting extra-large structural modules for nuclear power plants, which belongs to the field of mechanical engineering. The special sling comprises a distributor, multiple steel tube beams and multiple connecting nodes, wherein the steel tube beams are connected in pairs by the connecting nodes so as to form balancing beam frames, and the balancing beam frames are respectively connected with the distributor and a hoisting module; and the length of an upper hoist cable can be adjusted according to the position of the center of gravity of a lower hoisting module, so that the distributor is aligned at the center of gravity of the lower hoisting module in the up-and-down direction. According to the special sling, a hydraulic oil cylinder is adopted to be connected with a hanging bracket and hoisted objects, the appearance of the hydraulic oil cylinder is exquisite, the self weight of the hydraulic oil cylinder is reduced, but the hydraulic oil cylinder can bear a large force, and the hydraulic oil cylinder is made of 45# high-quality carbon steel, so that the hydraulic oil cylinder has the characteristics of fatigue resistance, impact resistance, non-magnetism, and the like; and the working temperature of the hydraulic oil cylinder can be minus 60-200 DEG C, so that after running for 6000 hours, the hydraulic oil cylinder with super-long service life has no fault. Therefore, the hanging bracket and the hoisted objects connected simply and conveniently, errors are easy to control, and the service life is long.

Description

For the special hanger for hoisting of the especially big construction module of nuclear power station

Technical field

The present invention relates to a kind of nuclear power station special equipment of mechanical engineering field, the especially big knot of specifically a kind of nuclear power station Structure module CA20/CA01 special hanger for hoisting.

Background technology

Adopt construction module in the AP1000 nuclear power stations of Generation Ⅲ it is maximum for CA20 and CA01, wherein CA20 Possess the functions such as storage, transmission, heat exchange and the nuclear waste collection of nuclear fuel, be 18 room groups being made up of body of wall and floor Into the board-like steel construction structures of carton and crate.Module size about 21m × 14m × 21m, about 845 tons of design gross weight (is not contained and poured in carton and crate The concrete of note).CA01 modules are nuclear island evaporator and refuelling pool module, have 47 submodules, overall dimensions about 25m × 29m × 26m, about 450 tons of gross weight.CA20 and CA01 construction modules lifting weight is big, and intraware is numerous and is distributed irregularly, Module position of centre of gravity is difficult to determine；In addition module overall dimensions are big, and anti-deformation measure has high demands.Therefore must be hung using special Tool, and it is lifted using super-huge tracklaying crane.

Find through the retrieval to prior art, Chinese patent literature CN201834663U discloses (bulletin) day 2011.05.18, disclose a kind of suspender of many suspension centre stress automatic equalizations, including the adapter on hanging beam, hanging beam, fixed pulley, Steel wire rope, movable pulley；It is characterized in that fixed pulley is fixed on hanging beam, there is fixed pulley and movable pulley, the load of suspension centre on each suspension centre Act on the axle of movable pulley；The fixed pulley of each suspension centre is wound and is connected, the two of steel wire rope with movable pulley by steel cable End is separately fixed on hanging beam, or the two ends of steel wire rope are end to end into a closed loop.But the technology fixed pulley and movable pulley System connection is complicated, and hoist cable is very long, is connected with movable pulley axle and easily produce deviation；

The content of the invention

The present invention is directed to deficiencies of the prior art, proposes a kind of lifting for the especially big construction module of nuclear power station Special hanger, suspension bracket is connected and by hoisting object using hydraulic jack, and hydraulic jack profile is exquisite, and own wt mitigates, and but can Bear very big power, and material adopts No. 45 Fine Steel Casting irons, with anti-Pi Laolao intensity, impact resistance, it is non magnetic the features such as, liquid The operating temperature range of compressing cylinder is reachable -60～200 degree, and its extra long life does not occur any failure after running 6000 hours. Therefore suspension bracket and simply light by the connection of hoisting object in the present invention, error is easily controlled, and long perfomance life.

The present invention is achieved by the following technical solutions：

The present invention includes：Allotter, some steel tubular beams and some connecting nodes, wherein：Steel tubular beam passes through connecting node reality Balance roof beam structure is now connected to form two-by-two, and balance roof beam structure is connected respectively with allotter and lifting module.

It is connected by top hoist cable between described allotter and balance roof beam structure.

The bottom of described allotter is provided with two hangers, and it is respective with correspondence connection that each hanger is provided with four claim-reductions Top hoist cable.

It is connected with each other by hydraulic jack hoist cable between described balance roof beam structure and lifting module, the hydraulic jack hoist cable One end rotates with the lower section otic placode of each connecting node and is connected, and the other end is rotated with the relevant position of lifting module and is connected.

The preferably spherical node of described connecting node, described steel tubular beam and the sphere nodes are especially by otic placode and pin Son is realized rotating connection, wherein：The otic placode on sphere nodes top is connected by pin with top hoist cable, the otic placode and hydraulic pressure of bottom Oil cylinder hoist cable connects.

Described top hoist cable lifts the position of centre of gravity adjustable length of module according to bottom so that allotter is lifted with bottom The center of gravity consistency from top to bottom of module.

Technique effect

Compared with prior art, technique effect of the invention includes：

First, suspender own wt is greatly reduced, and overall structure is uniform, has been obviously improved effective allocation and transportation ability of crane.

2nd, bottom suspension centre is connected by hydraulic jack with large scale structure module suspension centre, hydraulic jack two ends using hoist cable with Balance roof beam structure and connected by the otic placode in hoisting structure module, fully ensure that uniformly receiving for the medium-and-large-sized construction module of hoisting process Power so that lifting is safer.

3rd, sphere nodes are connected by bearing pin between each steel tubular beam of balance roof beam structure, steel pipe beam end can be rotated.So Each structural elements manufacture scale error can be compensated, avoiding structural failure causes extreme stress；Each structural elements can again received Power is uniform.

4th, structure overall height is little, it is adaptable to the crane that part lifting altitude is limited.

5th, eight top hoist cable stress are pooled to high distributor, and allotter is connected with crane equalizer bar, and simple structure is light Just.

6th, the length of steel tubular beam in roof beam structure is balanced by adjusting special hanger, only increases less parts (node), just can be fitted For two large scale structure module hoistings of CA20 in AP1000 (or CAP1400) nuclear power station and CA01.

Description of the drawings

Fig. 1 is schematic structural view of the invention.

Fig. 2 is Fig. 1 close-up schematic views.

Fig. 3 is top view of the present invention.

Fig. 4 is sphere nodes close-up schematic view.

Fig. 5 is allotter close-up schematic view.

Specific embodiment

Embodiments of the invention are elaborated below, the present embodiment is carried out under premised on technical solution of the present invention Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following enforcements Example.

Embodiment 1

As depicted in figs. 1 and 2, the present embodiment includes：Allotter 1, some steel tubular beams 7 and some sphere nodes 6, wherein： Steel tubular beam 7 realizes being connected to form two-by-two balance roof beam structure 3 by sphere nodes 6, balance roof beam structure 3 respectively with allotter 1 and lift mould Block 8 is connected.

It is connected by top hoist cable 2 between described allotter 1 and balance roof beam structure 3.

As shown in figure 5, the bottom of described allotter 1 is provided with two hangers 9, each hanger 9 is provided with four claim-reductions 10 With the respective top hoist cable 2 of correspondence connection.

It is connected with each other by hydraulic jack hoist cable 5 between described balance roof beam structure 3 and lifting module 8, the hydraulic jack hangs One end of rope 5 rotates with the lower section otic placode 11 of each sphere nodes 6 and is connected, and the other end is rotated with the relevant position of lifting module 8 Connection.

Described steel tubular beam 7 and sphere nodes 6 is realized rotating connection especially by otic placode 11 and pin 12, wherein：It is spherical The otic placode 11 on the top of node 6 is connected by pin 12 with top hoist cable 2, and the otic placode 11 of bottom is connected with hydraulic jack hoist cable 5.

According to lifting module center of gravity, described balance roof beam structure 3 is mesh character form structure to the present embodiment, specifically by ten steel tubular beams 7th, eight sphere nodes 6 are constituted.

Described top hoist cable 2 lifts the position of centre of gravity adjustable length of module according to bottom so that allotter 1 hangs with bottom Die-filling piece of center of gravity consistency from top to bottom.

Described balance roof beam structure 3 is connected by steel pipe and ball node by otic placode, by the steel tubular beam for changing different length, or Increase less parts (node), be just applicable to two large scale structures of CA20 and CA01 in AP1000 (or CAP1400) nuclear power station Module hoisting.

This device is constructed by following steps：

1st, the surface of allotter 1 to lifting module center of gravity is hung first, adjusts top hoist cable so that special hanger both sides Uniform force；

2nd, hydraulic jack hoist cable 5 and top are balanced into roof beam structure 3 and bottom lifting module 8 is rotated and is connected；

3rd, the debugging efforts to construction module special hanger for hoisting are completed, and crawler crane is hung on according to related request On car owner's suspension hook；

4th, large scale structure module CA20/CA01 is transported to lifting place with large hydraulic platform trailer and specifies unwrapping wire position Put, now lifting module position of centre of gravity is on crane principal arm extended line；

5th, crane principal arm inclination angle is adjusted, falls main suspension hook after rise to suitable height, the suspender is hung to into lifting module and is just gone up Side, falls the main height under hook of adjustment after rise；

6th, adjusting hoist lifting hook orientation makes square steel cord thereon be initially in plumbness in lifting；

7th, all connections between large scale structure module and large platform trailer are removed, it is ensured that construction module is complete with transport vehicle Complete solution is except binding；

8th, carry out examination to hang：The main suspension hook of slow raising crane, to construction module distance from bottom hydraulic flat trailer about 200mm, The lifting weight of authentication module, confirms that crane operating mode meets lifting requirements；Check module balancing；In the main suspension hook process of raising In, Special lifting device for detecting and hydraulic jack stressing conditions, whether module upper ear plate is connected stressing conditions, stress with module uniform；

9th, examination hang it is qualified after, slowly reduce hoist lifting hook, to construction module about 200mm from the ground, construction module is hovered About 10 minutes in the air, comprehensive Special lifting device for detecting and hydraulic jack stressing conditions checked steel construction and equalizer bar at each suspension centre Whether frame etc. has deformation, and whether stress is uniform；

10th, large scale structure module hoisting is proceeded by, and is installed in place.

Claims (1)

1. a kind of construction method of the special hanger for hoisting for nuclear power station construction module, it is characterised in that described lifting is special Included with suspender：Allotter, some steel tubular beams and some connecting nodes, wherein：Steel tubular beam realizes that two is biphase by connecting node Even Compositional balance roof beam structure, balances roof beam structure and is connected with allotter and construction module respectively；
It is connected by top hoist cable between described allotter and balance roof beam structure；
Position of centre of gravity adjustable length of the described top hoist cable according to substructure module so that allotter and substructure module Center of gravity consistency from top to bottom；
Described connecting node is sphere nodes；
The bottom of described allotter is provided with two hangers, and each hanger is provided with four claim-reductions with the respective top of correspondence connection Hoist cable；
Described construction method, comprises the following steps：
Step 1, the surface for hanging allotter to construction module center of gravity first, adjust top hoist cable so that special hanger both sides Uniform force；
Step 2, hydraulic jack hoist cable and top are balanced roof beam structure and substructure module is rotated and is connected；
Step 3, the debugging efforts for completing to construction module special hanger for hoisting, and it is hung on crawler crane according to related request On car suspension hook；
Step 4, with large hydraulic platform trailer by construction module CA20/CA01 transport to lifting place specify unwrapping wire position, this When construction module position of centre of gravity on crane principal arm extended line；
Step 5, adjustment crane principal arm inclination angle, fall hoist lifting hook after rise to suitable height, and the special hanger for hoisting is hung to into knot Directly over structure module, adjustment hoist lifting hook height is fallen after rise；
Step 6, adjustment hoist lifting hook orientation make square steel cord thereon be initially in plumbness in lifting；
All connections between step 7, dismounting structure module and large hydraulic platform trailer, it is ensured that construction module and large hydraulic Platform trailer releases completely binding；
Step 8, carry out examination and hang：Slow raising hoist lifting hook, verifies the lifting weight of construction module, confirms that crane operating mode meets and hangs Reload request；Inspection structure module balancing；During raising hoist lifting hook, Special lifting device for detecting and hydraulic jack stress feelings Condition, whether construction module upper ear plate is connected stressing conditions, stress with construction module uniform；
Step 9, examination hang it is qualified after, hoist lifting hook is slowly reduced, by the in the air and comprehensive Special lifting device for detecting of construction module hovering And hydraulic jack stressing conditions, check whether steel construction and balance roof beam structure etc. have deformation at each suspension centre, and whether stress is uniform；
Step 10, construction module lifting is proceeded by, and installed in place；
Described balance roof beam structure is mesh character form structure, and wherein steel tubular beam is ten, and sphere nodes are eight；
It is connected with each other by hydraulic jack hoist cable between described balance roof beam structure and construction module, one end of the hydraulic jack hoist cable Rotate with the lower section otic placode of each sphere nodes and be connected, the other end is rotated with the relevant position of construction module and is connected；
Described steel tubular beam and sphere nodes is realized rotating connection especially by otic placode and pin, wherein：Sphere nodes top Otic placode is connected by pin with top hoist cable, and the otic placode of bottom is connected with hydraulic jack hoist cable.
CN201510086264.8A 2015-02-17 2015-02-17 Special sling for hoisting extra-large structural modules for nuclear power plants CN104649128B (en)

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Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN105625734B (en) * 2016-01-26 2017-10-13 哈尔滨达城绿色建筑技术开发股份有限公司 Glomeration pattern masonry wall piece nature centering lift-on/lift-off system
CN105696798B (en) * 2016-01-26 2017-12-01 哈尔滨达城绿色建筑技术开发股份有限公司 Glomeration pattern masonry wall piece adjusts rope length lift-on/lift-off system
CN109052152A (en) * 2018-08-06 2018-12-21 上海宝冶集团有限公司 Suspender for sled sled racing track modular construction
CN110668301A (en) * 2019-09-20 2020-01-10 中国五冶集团有限公司 Precast concrete slab hoisting method and hoisting auxiliary

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CN202379586U (en) * 2011-10-11 2012-08-15 国家核电技术有限公司 Hoisting system of assembly module used for hoisting large containers
CN102659019A (en) * 2012-06-01 2012-09-12 中国核工业第五建设有限公司 Special lifting appliance for steel containment cover head in nuclear power station nuclear island and lifting method thereof
CN203461680U (en) * 2013-08-16 2014-03-05 上海核工程研究设计院 Self-balancing hanger for nuclear power plant steel containment module
CN204661123U (en) * 2015-02-17 2015-09-23 鲁小军 For the special hanger for hoisting of the especially big construction module of nuclear station

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CA2798397C (en) * 2012-09-21 2017-03-07 Pcl Industrial Management Inc. Adjustable module lift assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202379586U (en) * 2011-10-11 2012-08-15 国家核电技术有限公司 Hoisting system of assembly module used for hoisting large containers
CN102659019A (en) * 2012-06-01 2012-09-12 中国核工业第五建设有限公司 Special lifting appliance for steel containment cover head in nuclear power station nuclear island and lifting method thereof
CN203461680U (en) * 2013-08-16 2014-03-05 上海核工程研究设计院 Self-balancing hanger for nuclear power plant steel containment module
CN204661123U (en) * 2015-02-17 2015-09-23 鲁小军 For the special hanger for hoisting of the especially big construction module of nuclear station

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Effective date of registration: 20201209

Address after: 215400 Liuhe Town Zhangqiao village Wangjing Hebei, Taicang City, Suzhou City, Jiangsu Province

Patentee after: Chiyi automation technology (Suzhou) Co.,Ltd.

Address before: 314300 Jincheng Road, Haiyan County (Qinshan Industrial Park), Jiaxing City, Zhejiang Province

Patentee before: Lu Xiaojun