CN106429791B - A kind of the Special-purpose hanger rigging and hanging method of nuclear power station CR10 and reinforcing bar composite module - Google Patents
A kind of the Special-purpose hanger rigging and hanging method of nuclear power station CR10 and reinforcing bar composite module Download PDFInfo
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- CN106429791B CN106429791B CN201610991611.6A CN201610991611A CN106429791B CN 106429791 B CN106429791 B CN 106429791B CN 201610991611 A CN201610991611 A CN 201610991611A CN 106429791 B CN106429791 B CN 106429791B
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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
- 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
-
- 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
- B66C13/16—Applications of indicating, registering, or weighing devices
Abstract
Description
Technical field
The present invention relates to nuclear powers to build technical field of construction more particularly to a kind of nuclear power station CR10 and reinforcing bar composite module Special-purpose hanger rigging and hanging method.
Background technique
CAP1000 type pressurized-water reactor nuclear power plant is in digestion, absorption, grasps the US Westinghouse company introduced in China comprehensively On the basis of AP1000 heap-type, pass through the large-scale advanced pressurized water reactor nuclear power with China's independent intellectual property right of innovative development again out Unit.The CR10 and reinforcing bar composite module of CAP1000 heap-type are by CR10 steel frame and external basic multistory reinforced and reinforcement bar support Frame collectively constitutes, and is used to support steel containment vessel (CV).Wherein, CR10 steel frame is the annulus being assemblied to form by 32 Pin subelements Shape truss structure, the steel bracket being made of the fashioned iron such as seamless steel pipe, H profile steel, T-steel and steel plate, outer ring radius are 21.031m, inner ring radius are 10.668m, a height of 5.486m.External basis is multistory reinforced to be connected and fixed on by Steel bar rack On CR10 steel frame, each layer reinforcing bar is with longitudinal and circumferential alternation method binding on Steel bar rack.CR10 and reinforcing bar composite module Gross mass about 349t.
CR10 has the following characteristics that 1) weight is big with reinforcing bar composite module, and volume is big；2) module outer ring radius and inner ring half Diameter difference is big, and it is platypelloid type structure that height is small, and outside and inside discontinuity equalization easily occurs in module, when lifting, if only arranged One circle Current Collector Sleave module is easily-deformable；3) position of centre of gravity and module centers are inconsistent, and offset is larger, and module is easily inclined in hoisting process Tiltedly (lower mouth is not horizontal) and cause deformation, unstability.Occur locally or globally deforming all after CR10 and the lifting of reinforcing bar composite module Meeting generates significant impact to the subsequent construction of steel containment vessel (CV).Therefore, it is necessary to design science, reasonable hanging method and specially With Current Collector Sleave, with prevent CR10 and reinforcing bar composite module occurs in hoisting process inclination, deform, unstability the problems such as, it is ensured that apply The safety of work.
Summary of the invention
The present invention provides aiming at the problem that existing suspender is unable to satisfy nuclear power station CR10 and the lifting of reinforcing bar composite module needs A kind of Special-purpose hanger rigging of nuclear power station CR10 and reinforcing bar composite module, the suspender can effectively reduce CR10 and reinforcing bar in hoisting process The deformation of composite module guarantees the levelness of mouth under CR10 and reinforcing bar composite module, it is ensured that the safety of construction.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of nuclear power station CR10 and reinforcing bar composite module Special-purpose hanger rigging includes transition beam and the multiple hoist cable units connecting respectively with transition beam；The hoist cable unit include main hoist cable, Hoist cable distributor, outside pair hoist cable, inside pair hoist cable and two adjustable drawbars；Described main hoist cable one end is fixed on transition beam； The other end, outside pair hoist cable and the inside pair hoist cable of main hoist cable are connect with hoist cable distributor respectively, and the outside pair hoist cable is separate One end of hoist cable distributor is connect with an adjustable drawbar, one end far from hoist cable distributor of the inside pair hoist cable and another Adjustable drawbar connection.
Further, the transition beam is circle, including upper shackle plate, the first gusset, the second gusset, upper cover plate, circular arc Plate, long connecting plate, short connecting plate, lower lifting lug long slab, lower lifting lug short slab and lower cover plate；The upper cover plate fluting, two pieces of upper lifting lugs Plate is stretched out from slot, and two pieces of upper shackle plate tops and upper cover plate weld, and lower part and lower cover plate weld；Two pieces of arc plates are located at upper cover It between plate and lower cover plate, and is welded with upper cover plate, lower cover plate and upper shackle plate, two pieces of arc plate openings are oppositely arranged and surround Annular shape, annulus outer diameter are less than upper cover plate outer diameter and lower cover plate outer diameter；Two pieces of lower lifting lug long slabs and 14 pieces of lower lifting lug short slab edges The circumference uniform distribution of arc plate, two pieces of lower lifting lug long slabs and upper cover plate, lower cover plate, arc plate, upper shackle plate lower weld, 14 pieces Lower lifting lug short slab and upper cover plate, lower cover plate, arc plate weld；Four pieces of long connecting plates be arranged in parallel in upper cover plate and lower cover plate it Between, on the inside of arc plate, welded with lower lifting lug long slab, arc plate, upper cover plate, lower cover plate；One piece of short connecting plate is in upper cover plate under Between cover board, two pieces of upper shackle plates are connected, are welded with upper shackle plate, upper cover plate；Four piece of first gusset and two piece of second gusset position In upper cover plate top, four piece of first gusset is fixed on the outside of two shackle plates；Two piece of second gusset is fixed on two shackle plates Inside.
Further, the part that described two pieces upper shackle plates are located above upper cover plate is equipped with connecting hole, under described Lifting lug long slab, lower lifting lug short slab offer connecting hole respectively；Wherein, the connecting hole of upper shackle plate is used to carry suspender with crane and connect Connect, the lower lifting lug long slab, lower lifting lug short slab connecting hole for being connect with main hoist cable.
Further, the main hoist cable be casting rigging, quantity totally 16；The main hoist cable top passes through connecting shaft and mistake Bridging beam connection, lower part are connect by connecting shaft with hoist cable distributor.
Further, the hoist cable distributor includes two pieces of set square and two pieces of connecting plates disposed in parallel, and described two pieces Connecting plate is arranged between two pieces of set squares, for connecting two pieces of set squares；The hoist cable distributor is equipped with a pair of of upper ear plate Hole and two pairs of lower ear plate holes, the lug plate holes are made of whole method for boring hole；The upper ear plate hole can pass through connecting shaft and master Hoist cable connection, the lower ear plate hole can be connect by connecting shaft with outside pair hoist cable and inside pair hoist cable respectively.
Further, the outside pair hoist cable and inside pair hoist cable are casting rigging.Including the secondary hoist cables in 16 outsides and The secondary hoist cable in 16 insides.The pair hoist cable passes through connecting shaft and connect with adjustable drawbar.
Further, the adjustable drawbar includes adjusting sleeve, the u shaped connector for adjusting sleeve both ends being arranged in and is set in The nut of u shaped connector spiro rod section；The screw thread at the adjustable drawbar both ends is reversed.
Another object of the present invention additionally provides the hanging method of a kind of nuclear power station CR10 and reinforcing bar composite module, including Following steps:
(1) the main hoist cable of 16 hoist cable units is connect with transition beam respectively；
(2) each hoist cable unit is proceeded as follows:
The main hoist cable of hoist cable unit is connect by (2-1) with hoist cable distributor；
Outside pair hoist cable, inside pair hoist cable are connect by (2-2) with hoist cable distributor respectively；
On the outside of (2-2) secondary hoist cable connect with an adjustable drawbar, inside pair hoist cable and another is adjustable
Pull rod connection；
(2-4) adjusts the length of adjustable drawbar, makes it on intermediate length；
(3) crane suspender is carried to connect with transition beam, by hoist cable unit be hung to CR10 and reinforcing bar composite module just on Side；
(4) 2 adjustable drawbars of each hoist cable unit are connect with outside lug, inside lug respectively, the outside is hung Ear, inside lug are welded on CR10 and reinforcing bar composite module in advance, and quantity, angle are consistent with Current Collector Sleave；
(5) apply counterweight on CR10 and reinforcing bar composite module, weight, position, the applying mode of the counterweight are to pass through Finite element modeling calculates analysis, analytical Calculation technology obtains, it is therefore an objective to the position of centre of gravity of CR10 Yu reinforcing bar composite module are adjusted, To prevent the situation that module bias is excessive, adjustable drawbar adjustment amount is inadequate；
(6) on each adjustable drawbar, foil gauge is pasted in advance, is detected the stress of adjustable drawbar in hoisting process, is prevented Stress is more than its rated load；
(7) examination for carrying out CR10 and reinforcing bar composite module lifts, and during examination is hung, controls CR10 using cable rope is tensed With the rotation of reinforcing bar composite module, the levelness of mouth under total station detection CR10 and reinforcing bar composite module is utilized；
(8) 16 inside adjustable drawbars and 16 outside adjustable drawbars are adjusted respectively, are made under CR10 and reinforcing bar composite module The levelness of mouth reaches construction requirement, while guaranteeing that the stress of adjustable drawbar is no more than its rated load, then starts formally to hang Dress；
(9) when formal lifting, crane is slowly hooked up, speed≤400mm/min, keeps CR10 and reinforcing bar composite module liftoff 200mm, it is static 10 minutes hanging, above-mentioned Special-purpose hanger rigging, outside lug, the deformation of inside lug and crane are checked by visual observation The settlement of foundation value in chassis region；
(10) after above-mentioned visual inspection is qualified, suspension hook is slowly hooked up, and speed≤400mm/min combines CR10 with reinforcing bar Module is liftoff to target range, stops hooking up, and keeps hanging；
(11) loop wheel machine principal arm rotates clockwise, rotational speed≤0.033r/min, reaches unified direction to boom and crawler belt Afterwards, it stops rotating；
(12) crane is laid with direction along subgrade case and moves forward, and the speed of travel≤2m/min reaches crane lifting erect-position point Stop walking；Boom fine tuning rotation, makes CR10 and reinforcing bar composite module center and center centering in place；
(13) the slow off the hook of crane, speed≤400mm/min keep CR10 and reinforcing bar composite module in place.
The Special sling lamps structure of nuclear power station CR10 of the present invention and reinforcing bar composite module is simple, reasonable, hanging method science, It is easy, it has the advantage that compared with prior art
(1) present invention devises reasonable secondary hoist cable arrangement and connects according to the design feature of CR10 and reinforcing bar composite module Connect scheme: separating two circle hoist cables using hoist cable distributor: the secondary hoist cable in a circle outside and a secondary hoist cable in circle inside, respectively with CR10 with Outside lug on reinforcing bar composite module is connected with inside lug, ensure that CR10 and reinforcing bar composite module outside and inside stress Equilibrium, when controlling lifting on the outside of CR10 and reinforcing bar composite module and the relative deformation of inside；
(2) present invention has used counterweight and adjustable drawbar in the levelness of mouth under adjusting CR10 and reinforcing bar composite module Two ways.The position of centre of gravity of CR10 Yu reinforcing bar composite module first can be roughly adjusted by applying counterweight, when examination lifts again The position of centre of gravity that accurate adjustment CR10 and reinforcing bar composite module are finely tuned by adjustable drawbar, keeps module center of gravity consistent with its center. The comprehensive of two ways uses, and ensure that the levelness of CR10 and mouth under reinforcing bar composite module in hoisting process；
(3) on the transition beam in Special-purpose hanger rigging shackle plate structure and shape, the knot of suspender can be carried according to crane Structure and shape and design, so that special hanger of the invention be made to can be adapted for various cranes；
(4) Special sling lamps structure is simple, easy to connect, is easy to construct；
(5) in CR10 and reinforcing bar composite module hoisting process, using Special-purpose hanger rigging of the invention and hanging method, and Analytical technology is calculated in conjunction with finite element modeling, strain dynamometry technology, total station detection technique, adjusts a variety of skills such as adjustable drawbar Art can effectively reduce the deformation and stress of CR10 Yu reinforcing bar composite module, meet the lifting requirements of CR10 Yu reinforcing bar composite module, Reduce the risk factor of lifting.
Detailed description of the invention
Fig. 1 is the perspective view of Special-purpose hanger rigging of the present invention；
Fig. 2 is the cross-sectional view of Special-purpose hanger rigging of the present invention；
Fig. 3 is the perspective view of Current Collector Sleave transition beam of the present invention；
Fig. 4 is the top view of Current Collector Sleave transition beam of the present invention；
Fig. 5 is the bottom view of Current Collector Sleave transition beam of the present invention；
Fig. 6 is the perspective view of distributor of the present invention；
Fig. 7 is the schematic diagram of adjustable drawbar of the present invention.
Detailed description of the invention: 1-transition beam；2-main hoist cables；3-hoist cable distributors；4-outside pair hoist cables；5-inside pairs are hung Rope；6-adjustable drawbars；7-CR10 and reinforcing bar composite module；8-outside lugs；9-inside lugs；11-upper shackle plates； 12-the first gusset；13-the second gusset；14-upper cover plates；15-arc plates；16-long connecting plates；17-short connecting plates； 18-lower lifting lug long slabs；19-lower lifting lug short slabs；31-set squares；32-connecting plates；61-u shaped connectors；62-nuts；63— Adjust sleeve；191-lower cover plates.
Specific embodiment
Now in conjunction with drawings and examples, the present invention is described in further detail.
Present embodiment discloses the Special-purpose hanger riggings of a kind of nuclear power station CR10 and reinforcing bar composite module, as shown in figs. 1-7, packet The multiple hoist cable units for including transition beam 1 and being connect respectively with transition beam；The hoist cable unit includes main hoist cable 2, hoist cable distributor 3, outside pair hoist cable 4, inside pair hoist cable 5 and two adjustable drawbars 6；Described 2 one end of main hoist cable is fixed on transition beam；Main hoist cable 2 other end, outside pair hoist cable 4 and inside pair hoist cable 5 is connect with hoist cable distributor 3 respectively, and the outside pair hoist cable 4 is separate to be hung One end of rope distributor 3 is connect with an adjustable drawbar 6, the one end of the inside pair hoist cable 5 far from hoist cable distributor 3 with it is another A adjustable drawbar 6 connects.
The transition beam 1 is circle, by upper shackle plate 11, the first gusset 12, the second gusset 13, upper cover plate 14, arc plate 15, ten kinds of components such as long connecting plate 16, short connecting plate 17, lower lifting lug long slab 18, lower lifting lug short slab 19 and lower cover plate 191 are constituted； Wherein, upper cover plate 14 is slotted, and two pieces of upper shackle plates 11 are stretched out from slot, and two pieces of upper 11 tops of shackle plate and upper cover plate 14 weld, Lower part and lower cover plate 191 weld；Two pieces of arc plates 15 are between upper cover plate 14 and lower cover plate 191, with upper cover plate 14, lower cover plate 191, upper shackle plate 11 welds；Two pieces of lower lower lifting lug short slabs 19 of lifting lug long slab 18 and 14 piece are uniformly distributed along the circumference, two pieces of lower lifting lugs Long slab 18 and upper cover plate 14, lower cover plate 191, arc plate 15,11 lower weld of upper shackle plate, 14 pieces of lower lifting lug short slabs 19 with it is upper Cover board 14, lower cover plate 191, arc plate 15 weld；Four pieces long connecting plate 16 is between upper and lower cover plates, on the inside of arc plate 15, It is welded with lower lifting lug long slab 18, arc plate 15, upper cover plate 14, lower cover plate 191；One piece short connecting plate 17 is below upper cover plate 14 Middle position connects two pieces of upper shackle plates 11, welds with upper shackle plate 11, upper cover plate 14；Four piece of first gusset 12 and two piece Two gussets 13 are located at 14 top of upper cover plate, weld with upper cover plate 14 and upper shackle plate 11, play booster action.
The upper shackle plate 11 of the transition beam 1, lower lifting lug long slab 18, lower lifting lug short slab 19 offer connecting hole.Wherein, Upper shackle plate 11 carries suspender by connecting shaft and crane and connect, lower lifting lug long slab 18, lower lifting lug short slab 19 pass through connecting shaft and 16 main hoist cables 2 connect.
The main hoist cable 2 be casting rigging, quantity totally 16.The main hoist cable 2 is connected by connecting shaft top and transition beam 1 It connects, lower part is connect with hoist cable distributor 3.
The hoist cable distributor 3 is made of two pieces of set squares 31 and two pieces of connecting plates 32；The hoist cable distributor 3 is equipped with one To upper ear plate hole and two pairs of lower ear plate holes, the lug plate holes are made of whole method for boring hole.Upper ear plate hole by connecting shaft with Main hoist cable 2 connects, and lower ear plate hole passes through connecting shaft respectively and connect with outside pair hoist cable 4 and inside pair hoist cable 5.
The pair hoist cable is secondary hoist cable 5 on the inside of casting rigging, including the secondary hoist cable 4 and 16 piece in 16 outsides.The pair is hung Suo Jun is connect by connecting shaft with adjustable drawbar 6.
The adjustable drawbar 6 is made of two u shaped connectors, 61, two special nuts 62 and an adjusting sleeve 63.It is described The screw thread at 6 both ends of adjustable drawbar is reversed.
On the CR10 and reinforcing bar composite module 7, it is equably disposed with 16 outside lug 8 and 16 inside lugs 9.Institute It states outside lug 8 to connect by connecting shaft with adjustable drawbar 6,61.6 ° of 6 angle with horizontal plane of adjustable drawbar.The inside lug 9 It is connect by connecting shaft with adjustable drawbar 6,90 ° of 6 angle with horizontal plane of adjustable drawbar.
The hoisting process of the CR10 and reinforcing bar composite module 7, comprising the following steps:
(1) 16 main hoist cables 2 are connect with transition beam 1 respectively；
(2) 16 main hoist cables 2 are connect with 16 hoist cable distributors 3 respectively again；
(3) the secondary hoist cable 5 in 16 outsides, 4,16 insides of secondary hoist cable is connect with hoist cable distributor 3 respectively；
(4) 32 adjustable drawbars 6 are connect with outside pair hoist cable 4, inside pair hoist cable 5 respectively；
(5) length for adjusting adjustable drawbar 6, makes it on intermediate length；
(6) crane is carried suspender to connect with transition beam 1, and the above-mentioned Current Collector Sleave having connected is hung to CR10 and reinforcing bar group Mold the surface of block 7；
(7) 32 adjustable drawbars 6 are connect with 16 outside lugs, 8,16 inside lugs 9 respectively, the outside lug 8, inside lug 9 is welded on CR10 and reinforcing bar composite module 7 in advance, and quantity, angle are consistent with Current Collector Sleave；
(8) apply counterweight on CR10 and reinforcing bar composite module 7, weight, position, the applying mode of the counterweight are to pass through Finite element modeling calculates what the technologies such as analysis, analytical Calculation obtained, it is therefore an objective to adjust the center of gravity position of CR10 Yu reinforcing bar composite module 7 It sets, to prevent the situation that module bias is excessive, 6 adjustment amount of adjustable drawbar is inadequate；
(9) on each adjustable drawbar 6, foil gauge is pasted in advance, detects the stress of adjustable drawbar 6 in hoisting process, is prevented Only stress is more than its rated load；
(10) after the completion of above-mentioned work, the examination for carrying out CR10 and reinforcing bar composite module 7 is lifted, and during examination is hung, utilizes drawing Tight cable rope controls the rotation of CR10 Yu reinforcing bar composite module 7, and total station detection CR10 and reinforcing bar composite module 7 is utilized to descend mouth Levelness；
(11) adjustable drawbar 6 on the outside of 16 inside adjustable drawbars 6 and 16 is adjusted respectively, makes CR10 and reinforcing bar composite module The levelness of 7 lower mouths reaches construction requirement, while guaranteeing that the stress of adjustable drawbar 6 is no more than its rated load, then starts just Formula lifting；
(12) when formal lifting, crane is slowly hooked up, speed≤400mm/min, keeps CR10 and reinforcing bar composite module 7 liftoff 200mm, hanging static 10 minutes, check by visual observation above-mentioned Special-purpose hanger rigging, outside lug 8, inside lug 9 deformation and hang The settlement of foundation value in chassis region；
(13) after above-mentioned visual inspection is qualified, suspension hook is slowly hooked up, and speed≤400mm/min combines CR10 with reinforcing bar Module 7 is liftoff to target range, stops hooking up, and keeps hanging；
(14) loop wheel machine principal arm rotates clockwise, rotational speed≤0.033r/min, reaches unified direction to boom and crawler belt Afterwards, it stops rotating；
(15) crane is laid with direction along subgrade case and moves forward, and the speed of travel≤2m/min reaches crane lifting erect-position point Stop walking.Boom fine tuning rotation, makes CR10 and 7 center of reinforcing bar composite module and center centering in place；
(16) the slow off the hook of crane, speed≤400mm/min keep CR10 and reinforcing bar composite module 7 in place.
Finally, it should be noted that the examples are only for explaining the invention, rather than its limitations；Although embodiment is to the present invention It is described in detail, those skilled in the art should understand that: it carries out technical solution documented by embodiment Modification, or equivalent substitution of some or all of the technical features, should be included within protection category of the present invention.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991611.6A CN106429791B (en) | 2016-11-10 | 2016-11-10 | A kind of the Special-purpose hanger rigging and hanging method of nuclear power station CR10 and reinforcing bar composite module |
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|---|---|---|---|
| CN201610991611.6A CN106429791B (en) | 2016-11-10 | 2016-11-10 | A kind of the Special-purpose hanger rigging and hanging method of nuclear power station CR10 and reinforcing bar composite module |
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| CN106429791B true CN106429791B (en) | 2019-07-26 |
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|---|---|---|---|---|
| CN108275559B (en) * | 2017-11-09 | 2020-03-27 | 中国核工业第五建设有限公司 | Nuclear power steel containment hoisting distributor |
| CN108675132A (en) * | 2018-04-16 | 2018-10-19 | 中国二十冶集团有限公司 | A kind of steel construction purlin and Accessory Members method for rapidly mounting |
| CN110054078A (en) * | 2019-04-08 | 2019-07-26 | 中交一航局第一工程有限公司 | A kind of component Current Collector Sleave |
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| CN101967886B (en) * | 2010-11-16 | 2013-06-05 | 中国核工业第五建设有限公司 | Assembly and installation methods of steel containment vessel of nuclear power station |
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| 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 |
| CN104418229A (en) * | 2013-08-28 | 2015-03-18 | 中国核工业第五建设有限公司 | Special lifting device for cooling water storage tank of nuclear power station containment and lifting method of lifting device |
| CN203728393U (en) * | 2014-01-24 | 2014-07-23 | 浙江大学 | Distributor for lifting large thin-wall secure shell and passive water tank |
| CN104843582A (en) * | 2015-04-01 | 2015-08-19 | 中国核工业华兴建设有限公司 | Method for hoisting steel safe bottom seal head at nuclear power station and special-purpose sling tool thereof |
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