CN106013795B - The method for dismounting of thermal power station's chimney hydraulic mould lifting device - Google Patents
The method for dismounting of thermal power station's chimney hydraulic mould lifting device Download PDFInfo
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- CN106013795B CN106013795B CN201610580704.XA CN201610580704A CN106013795B CN 106013795 B CN106013795 B CN 106013795B CN 201610580704 A CN201610580704 A CN 201610580704A CN 106013795 B CN106013795 B CN 106013795B
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- hoist engine
- steel wire
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- radiation beam
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses one kind can reduce work high above the ground, reduce the method for dismounting of thermal power station's chimney hydraulic mould lifting device of workmen's workload.The method for dismounting of thermal power station's chimney hydraulic mould lifting device, comprises the following steps：1) hydraulic system is removed；2) hoist engine is installed in the drum circle of center；Dismantling operation frame, platform springboard, radiation beam, suspension cable and branch touch platform；3) derrick, center drum circle, steel wire rope are removed；Reduce the work high above the ground in demolishing process using the method for dismounting of thermal power station's chimney hydraulic mould lifting device of the present invention, reduce construction number, improve the security of construction in small space, reduce the security risk of construction, shorten the construction period, construction cost has been saved, while a kind of possible ways are provided for the construction of wind season.
Description
Technical field
The present invention relates to thermal power plant's chimney to build, especially a kind of method for dismounting of thermal power station's chimney hydraulic mould lifting device.
Background technology
It is known：The general up to a hundred meters of height of Chimney in Fossil Power Plant outer barrel height, top barrel dliameter sectional dimension are generally 6 to 20
Rice, size are larger.When being removed to Chimney in Fossil Power Plant hydraulic mould lifting device, traditional method for dismounting is all parts
The hoist engine on ground is arranged on by setting interim tackle system to complete to remove work by equipment itself.
Such as to the dismounting of lifting bracket：
1st, small dead man steel wire rope is risen in company with suspension hook and the guy rope made of hemp and is raised to radiation Liang Pingtai, rope made of hemp bolt is hung over and removed
Crosshead downside, and using steel wire buckle by small dead man suspension hook lock hanging on the downside of crosshead.
2nd, the steel wire rope for the hoist engine for setting ground is drawn high on derrick, and bypasses the directive wheel on derrick, then
It is connected with the upper end of crosshead；Suspension hook is set on the fag end that steel wire rope is connected with crosshead, and the quality of suspension hook is generally 200 public affairs
Jin or so.
3rd, crosshead is lifted using 2t jacks, the bearing pin on dismantling operation frame top.Then relax jack, directly roll
The steel wire rope for raising machine is tightened and slings crosshead, and come loose jack, then hangs crosshead to ground.
In this operation process, traditional the drawbacks of removing technique, is mainly reflected in the operation of hoist engine, is added substantial amounts of
Indirect workload, substantial amounts of manpower is wasted, and add security risk.
Because the steel wire rope of ground hoist engine is vertical section from the 0m steel wire ropes for leading to the m of derrick upper end hundreds of, steel wire rope is most
Small deadweight is at least 172kg, and (the steel wire rope weight 0.86kg/m of hardware handbook Φ 15.5, height of the derrick apart from ground are set to
200m), if not having to suspension hook, steel wire rope can not rise to crown from 0m, and steel wire rope can slide because of deadweight, so
Producer is configured with 211kg suspension hooks, ensures that the steel wire rope of hoist engine can pass through the weight and steel wire rope of suspension hook in a free state
Weight balancing, so as to free raising.
Suspension hook is primarily used to balance rope deadweight in step 2；But need to consume during suspension hook is installed
Suspension hook is pulled on the outside of outer tube wall by substantial amounts of manpower, and suspension hook is fixed on the downside of crosshead, then removes steel wire rope head.
, it is necessary to pull steel wire rope during the steel wire penetrating derrick of ground hoist engine is oriented to, steel is pulled
The deadweight for overcoming derrick to steel wire rope between ground is needed during cord, along with the weight of horizontal segment steel wire rope；But mistake herein
Substantial amounts of manpower is needed to fulfil assignment again in journey.After rope capacity meets to require, the guiding of steel wire rope is carried out, but be
Steel wire rope is prevented because deadweight is shunk back, typically using two methods, manually direct pulling steel wire rope, or blocked with rope card, this
It is also required to substantial amounts of manpower or waste of time.
Therefore in summary, traditional method for dismounting is said in terms of construction safety, adds the security risk of work, especially
It is that platform, which has been removed, to be finished when removing radiation beam, is not suitable for intensive operation, while steel wire rope is oriented to more, construction safety wind
Danger increases.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, can reduce work high above the ground, reduce workmen's workload
Thermal power station's chimney hydraulic mould lifting device method for dismounting.
The technical solution adopted for the present invention to solve the technical problems is：The dismounting side of thermal power station's chimney hydraulic mould lifting device
Method, comprise the following steps：
1) hydraulic system is removed；
2) dismantling operation frame, platform springboard, radiation beam, suspension cable and branch touch platform；
Support is set above chimney outer barrel, big Beam is provided with the support；Radiation is provided with the top of chimney outer barrel
Extend the outer surface of chimney outer barrel in Beam, the radiation Beam both ends；The radiation Beam is located at below crossbeam；
In the centrally disposed center drum circle of chimney outer barrel；The center drum circle is fixed on radiation Beam；The center drum circle
On be provided with derrick；Formwork platform and platform springboard are erected with the radiation Beam；
A, hoist engine is installed in the drum circle of center；
B, the connection end of the steel wire rope with hoist engine bypasses the directive wheel of derrick upper end；
C, by the upper of a crosshead in the crosshead of tube outer surface outside the connection end of steel wire rope on hoist engine and chimney
End connection；In the lower end of the crosshead, cable wind rope is set；
D, start hoist engine to lift crosshead, crosshead is increased to specified location brake hoist engine, then solves division operation
Annexation between frame and radiation Beam；
E, start hoist engine and crosshead is hoisted to ground, brake hoist engine tears steel wire rope on hoist engine open from crosshead
Unload；Simultaneously during crosshead decline, ensure the stability of crosshead by manual operation cable wind rope；
F, starting hoist engine causes the connection end of steel wire rope on hoist engine to rise to radiation Beam；
G, repeat step C to F, until all crossheads of tube outer surface outside chimney are entirely removed；
H, the platform springboard set up on radiation Beam is removed, by hoist engine by platform springboard handling to ground；
I, center drum circle is connected by the second steel wire rope with the crossbeam on radiation Beam；Jack is installed on chimney outer barrel,
Described jack one end is connected with chimney outer barrel, and the other end is connected with center drum circle；The jack is circumferentially equal on chimney outer barrel
Even distribution；
J, the connection end of steel wire rope on hoist engine is connected with radiation Beam, dismounting radiation Beam, formwork platform and oblique pull lock；So
Beam, formwork platform and oblique pull will be radiated by hoist engine afterwards and lock handling to ground；
3) derrick, center drum circle, steel wire rope are removed；
Derrick is removed, by hoist engine by derrick handling to ground；Then the chain block in the drum circle of center is dismantled；Will
Fixed pulley of the connection end of steel wire rope on excessive Beam on hoist engine, and be connected with center drum circle so that hoist engine and central dram
Circle is hung in big Beam lower section by the steel wire rope of hoist engine itself, remove the second steel wire rope；Starting hoist engine causes hoist engine to return
Line, until hoist engine and center drum circle drop to ground；The steel wire rope and cable of hoist engine are finally reclaimed, completes chimney outer barrel liquid
Press the dismounting of mould-lifting device.
Further, the connection end of steel wire rope on hoist engine is being connected with crosshead upper end in the step C of step 2
Chain block is installed on radiation Beam simultaneously；Chain block one end is fixed on radiation Beam, the upper end of the other end and crosshead
Connection；Pass through chain block and the common lifting operation frame of hoist engine to specified location, brake hoist engine in step D；Then solve
Annexation between division operation frame and radiation Beam；Then chain block is unclamped, until the steel wire rope on hoist engine 5 tightens dismounting
Chain block.
Preferably, directive wheel is fixed on derrick by sling in stepb.
Preferably, the cable wind rope described in step C uses the rope made of hemp.
Preferably, the hoist engine uses 3t hoist engines.
The beneficial effects of the invention are as follows：The method for dismounting of thermal power station's chimney hydraulic mould lifting device of the present invention, passes through
Hoist engine is set in the drum circle of center, the dismounting of mould-lifting device all parts is realized by the hoist engine in the drum circle of center, so as to
Reduce the work high above the ground in demolishing process, reduce construction number, improve the security of construction in small space, reduce
The security risk of construction, shortens the construction period, has saved construction cost, while provide a kind of feasibility side for the construction of wind season
Method.
Brief description of the drawings
Structural representation when Fig. 1 is disassembling section frame in the embodiment of the present invention；
Fig. 2 is the structural representation of fixed center drum circle in the embodiment of the present invention；
Fig. 3 is the structural representation of dismounting radiation Beam after funnel outer barrels in the embodiment of the present invention；
Fig. 4 is the structural representation that center drum circle is dismantled in the embodiment of the present invention；
Indicated in figure：1- chimney outer barrels, 2- crossheads, 3- centers drum circle, 4- radiation Beam, 5- hoist engines, 6- derricks, 7- branch
Frame, the big Beam of 8-, 9- directive wheels, 10- cable wind ropes, 11- jacks, the steel wire ropes of 12- second.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in figure 1, chimney hydraulic mould lifting device of the present invention is arranged on chimney outer barrel 1, the chimney outer barrel 1
Top sets support 7, and big Beam 8 is provided with the support 7；The top of chimney outer barrel 1 is provided with radiation Beam 4, the radiation
Extend the outer surface of chimney outer barrel 1 in Beam 4 both ends；The radiation Beam 4 is located at the lower section of crossbeam 8；The center of the chimney outer barrel 1
Setting center drum circle 3；The center drum circle 3 is fixed on radiation Beam 4；Derrick 6 is provided with the center drum circle 3；The spoke
Penetrate on Beam 4 and be erected with formwork platform and platform springboard.
The method for dismounting of thermal power station's chimney hydraulic mould lifting device of the present invention, comprises the following steps：
1) hydraulic system is removed；
2) dismantling operation frame 2, platform springboard, radiation beam 4, suspension cable and branch touch platform；
Hoist engine 5 is installed in center drum circle 3 A,；
B, the connection end of the steel wire rope with hoist engine 5 bypasses the directive wheel 9 of the upper end of derrick 6；
C, by a crosshead 2 in the crosshead 2 of the connection end of steel wire rope on hoist engine 5 and the outer surface of chimney outer barrel 1
Upper end connection；In the lower end of the crosshead 2, cable wind rope 10 is set；
D, start hoist engine 5 to lift crosshead 2, crosshead 2 is increased to specified location brake hoist engine 5, then releases
Annexation between crosshead 2 and radiation Beam 4；
E, start hoist engine 5 and crosshead 2 is hoisted to ground, brake hoist engine 5 is by steel wire rope on hoist engine 5 from crosshead
Dismantled on 2；Simultaneously during the decline of crosshead 2, ensure the stability of crosshead 2 by manual operation cable wind rope 10；
F, starting hoist engine 5 causes the connection end of steel wire rope on hoist engine 5 to rise to radiation Beam 4；
G, repeat step C to F, until all crossheads 2 of the outer surface of chimney outer barrel 1 are entirely removed；
H, the platform springboard set up on radiation Beam 4 is removed, by hoist engine 5 by platform springboard handling to ground；
I, center drum circle 3 is connected by the second steel wire rope 12 with the crossbeam 8 on radiation Beam 4；Installed on chimney outer barrel 1
Jack 11, described one end of jack 11 are connected with chimney outer barrel 1, and the other end is connected with center drum circle 3；The jack 11 is outside chimney
Circumferentially it is uniformly distributed on cylinder 1；
J, the connection end of steel wire rope on hoist engine 5 is connected with radiation Beam 4, dismounting radiation Beam 4, formwork platform and oblique pull
Lock；Then Beam 4, formwork platform and oblique pull will be radiated by hoist engine 5 and locks handling to ground；
3) derrick, center drum circle, steel wire rope are removed；
Derrick 6 is removed, by hoist engine 5 by the handling of derrick 6 to ground；Then dismantle in center drum circle 3 and pull calabash
Reed 12；By fixed pulley of the connection end of steel wire rope on hoist engine 5 on excessive Beam 8, and it is connected with center drum circle 3 so that elevator
Machine 5 and center drum circle 3 are hung in big Beam 8 lower section by hoist engine 5 steel wire rope of itself, remove the second steel wire rope 12；Start volume
Raise machine 5 and cause the loop line of hoist engine 5, until hoist engine 5 and center drum circle 3 drop to ground；Finally reclaim the steel wire rope of hoist engine 5
And cable, complete the dismounting of chimney hydraulic mould lifting device.
The hydraulic system in chimney hydraulic mould lifting device is removed in step 1), consequently facilitating being carried to chimney hydraulic
The dismounting of die device support and other devices.Avoid that hydraulic system is caused to damage during hydraulic mould lifting device is dismantled.
The power supply of hydraulic power unit and lifting body is removed first, removes hydraulic oil pipe between pumping plant and lifting body, removes pump
Stand, the oil pipe line on lifting body and crosshead jack, and oil pipe line joint is wrapped up tightly, prevent secondary pollution
And collision；And part is removed by more than and is transported to ground with cage component.
As shown in Figures 2 to 4, the crosshead 2 in the outside of chimney outer barrel 1 is removed first in step 2), specifically
, comprise the following steps successively：
Hoist engine 5 is installed in center drum circle 3 A,；
B, the connection end of the steel wire rope with hoist engine 5 bypasses the directive wheel 9 of the upper end of derrick 6；
C, by a crosshead 2 in the crosshead 2 of the connection end of steel wire rope on hoist engine 5 and the outer surface of chimney outer barrel 1
Upper end connection；In the lower end of the crosshead 2, cable wind rope 10 is set；
D, start hoist engine 5 to lift crosshead 2, crosshead 2 is increased to specified location brake hoist engine 5, then releases
Annexation between crosshead 2 and radiation Beam 4；
E, start hoist engine 5 and crosshead 2 is hoisted to ground, brake hoist engine 5 is by steel wire rope on hoist engine 5 from crosshead
Dismantled on 2；Simultaneously during the decline of crosshead 2, ensure the stability of crosshead 2 by manual operation cable wind rope 10；
F, starting hoist engine 5 causes the connection end of steel wire rope on hoist engine 5 to rise to radiation Beam 4；
G, repeat step C to F, until all crossheads 2 of the outer surface of chimney outer barrel 1 are entirely removed；
In step by setting hoist engine 5 in center drum circle 3, so that carrying out the mistake of handling to crosshead 2
Cheng Zhong, directly using the hoist engine 5 in center drum circle 3.Due between the upper end of more than 5 crosshead of hoist engine 2 in center drum circle 3 not
Larger difference in height be present, therefore the deadweight of steel wire rope on hoist engine 5 can be avoided to cause the increase of handling workload.
In stepb by setting directive wheel 9 to ensure during the handling of crosshead 2 on derrick 2, hoist engine 5
The edge of upper steel wire rope, which is correctly oriented, to be extended to by the crosshead 2 of handling.
By the way that the steel wire rope on hoist engine 5 is connected with crosshead 2 in step C, so as to be that subsequently crosshead 2 is carried out
Handling is prepared.Work together and cable wind rope 10 is set in the lower end of crosshead 2, so as to ensure that crosshead 2 exists by cable wind rope 10
Stability during the handling of crosshead 2；Crosshead 2 is avoided to rock.
In step D by the lifting operation frame 2 of hoist engine 5, until crosshead 2 is located at specified location.The specified location
Refer to be easy to release the position that crosshead 2 is connected with radiating Beam 4.Then the connection for releasing crosshead 2 and radiating between Beam 4 is closed
System, so as to be that subsequently the handling of crosshead 2 is prepared to ground.
Ground is slowly dropped to by the crosshead 2 of hoist engine 5 in step E, so as to ensure the peace of the handling of crosshead 2
Quan Xing, while by manually pulling cable wind rope 10, it is further ensured that the stationarity of crosshead 2 during handling.
The connection end of the steel wire rope on hoist engine 5 is risen into radiation Beam 4 in step F；For the remaining crosshead 2 of handling
Prepare.
Repeat step C to step F is so as to realizing the dismounting to crosshead 2 in step G.
In summary, using for the steel wire rope of hoist engine 5 is mainly oriented to and one pulling force of offer of crosshead 2 is caused
Crosshead 2 can slowly drop to ground.Because hoist engine 5 is arranged in center drum circle 3, without worry steel wire rope because of deadweight and
Caused lower contracting, steel wire rope are very convenient when being oriented to, it is only necessary to which two people can freely be oriented to regard to enough on derrick.
When slinging weight-drop, it is only necessary to cable wind rope is fastened on weight, it is not necessary to which suspension hook aids in.
Therefore by setting hoist engine 5 in center drum circle 3, handling is carried out to crosshead 2 by hoist engine 5, reduced
Operating risk.Simultaneously when the upper end of the steel wire rope on hoist engine 5 and crosshead 2 is attached, workmen only needs to draw
The weight of tens meters of steel wire ropes, it can conveniently carry out guiding, fixation and the lifting of steel wire rope.Therefore operating efficiency and compression are improved
Duration, because of steel wire rope, to be oriented to the time short, adds effective time construction period, and traditional construction technique can remove 3-4 Pin in one day,
Using above-mentioned technological work one day 8 hours) 7 Pin can be removed, efficiency has increase at double, and operating personnel's amount of labour drops
It is low.
Are touched by platform and is torn open for platform springboard, radiation beam 4, suspension cable and branch in step 2) after object for appreciation crosshead 2 is removed
Remove, comprise the following steps that：
H, the platform springboard set up on radiation Beam 4 is removed, by hoist engine 5 by platform springboard handling to ground；
I, center drum circle 3 is connected by the second steel wire rope 12 with the crossbeam 8 on radiation Beam 4；Installed on chimney outer barrel 1
Jack 11, described one end of jack 11 are connected with chimney outer barrel 1, and the other end is connected with center drum circle 3；The jack 11 is outside chimney
Circumferentially it is uniformly distributed on cylinder 1；
J, the connection end of steel wire rope on hoist engine 5 is connected with radiation Beam 4, dismounting radiation Beam 4, formwork platform and oblique pull
Lock；Then Beam 4, formwork platform and oblique pull will be radiated by hoist engine 5 and locks handling to ground；
During touching platform springboard, radiation beam 4, suspension cable and branch platform and removing, platform is removed first and is jumped
Plate, because platform springboard is ridden upon on formwork platform and radiation Beam 4, therefore dismantled first, for it is follow-up remove radiate Beam 4,
Suspension cable and branch are touched platform and prepared.
Remove radiation Beam 4, suspension cable and branch touch platform when, due to center drum circle 3 by radiate Beam 4 support, remove spoke
Before penetrating Beam 4, center drum circle 3 is connected with crossbeam 8 in step I, so as to avoid the dismounting radiation rear center's drum circles 3 of Beam 4 from lacking branch
Support.
Derrick, center drum circle, steel wire rope are removed in step 3)；
Specifically, derrick 6 is removed, by hoist engine 5 by the handling of derrick 6 to ground；Then dismantle in center drum circle 3
Chain block 12；By fixed pulley of the connection end of steel wire rope on hoist engine 5 on excessive Beam 8, and it is connected, makes with center drum circle 3
Hoist engine 5 and center drum circle 3 are hung in big Beam 8 lower section by hoist engine 5 steel wire rope of itself, remove the second steel wire rope 12；
Start hoist engine 5 and cause the loop line of hoist engine 5, until hoist engine 5 and center drum circle 3 drop to ground；Finally reclaim hoist engine 5
Steel wire rope and cable, complete the dismounting of chimney hydraulic mould lifting device.
Due to being provided with hoist engine 5 in center drum circle 3, therefore can be by hoist engine 5 certainly when dismantling center drum circle 3
Body forms a lowering or hoisting gear, starts hoist engine 5 so as to by the handling of center drum circle 3 to ground.So as to simplify central dram
The demounting procedure of circle 3, improves removal efficiency；The security of operation is improved simultaneously.
In summary, the method for dismounting of thermal power station's chimney hydraulic mould lifting device of the present invention, by center drum circle 3
Upper setting hoist engine 5, the dismounting of mould-lifting device all parts is realized by the hoist engine 5 in center drum circle 3, is torn open so as to reduce
Work high above the ground during removing, reduce construction number, improve the security of construction in small space, reduce the peace of construction
Full blast danger, shortens the construction period, has saved construction cost, while provide a kind of possible ways for the construction of wind season.
Hoist engine 5 lifts crosshead 2 in step 2, and then crosshead 2 is released with radiation Beam 4 and is connected.But grasping
Make the moment that frame 2 releases annexation with radiating Beam 4, hoist engine 5 will be by a larger impulsive force.In order to avoid elevator
Machine 5 is caused the damage to hoist engine 5 by larger impulsive force, further, will be by hoist engine 5 in the step C of step 2
Chain block is installed on radiation Beam 4 while the connection end of upper steel wire rope is connected with the upper end of crosshead 2；By chain block one end
It is fixed on radiation Beam 4, the other end is connected with the upper end of crosshead 2；It is common by chain block and hoist engine 5 in step D
Lifting operation frame 2 arrives specified location, brake hoist engine 5；Then release crosshead 2 and radiate the annexation between Beam 4；Then
Chain block is unclamped, until the steel wire rope on hoist engine 5 is tightened, removes chain block.
The directive wheel 9 can be fixed on derrick 6 in several ways, for example be welded.For the ease of consolidating for directive wheel 9
Fixed and dismounting, it is preferred that directive wheel 9 is fixed on derrick 6 by sling in stepb.
In order to mitigate the weight of cable wind rope 10, it is easy to workmen to pull cable wind rope 10, it is preferred that described in step C
Cable wind rope 10 uses the rope made of hemp.
In order to reduce space-consuming of the hoist engine 5 in center drum circle 3, while ensure the lifting power of hoist engine 5, enter one
Step, the hoist engine 5 uses 3t hoist engines.
Claims (5)
1. the method for dismounting of thermal power station's chimney hydraulic mould lifting device, it is characterised in that comprise the following steps：
1) hydraulic system is removed；
2) dismantling operation frame, platform springboard, radiation beam, suspension cable and branch touch platform；
Support (7) is set above chimney outer barrel (1), big Beam (8) is provided with the support (7)；At the top of chimney outer barrel (1)
Radiation Beam (4) is provided with, the outer surface of chimney outer barrel (1) is extended at the both ends of the radiation Beam (4)；Radiation Beam (4) position
Below crossbeam (8)；
In the centrally disposed center drum circle (3) of chimney outer barrel (1)；The center drum circle (3) is fixed on radiation Beam (4)；It is described
Derrick (6) is provided with center drum circle (3)；Formwork platform and platform springboard are erected with the radiation Beam (4)；
Hoist engine (5) A, is installed in center drum circle (3)；
B, the connection end of the steel wire rope with hoist engine (5) bypasses the directive wheel (9) of derrick (6) upper end；
C, by a crosshead in the crosshead (2) of the connection end of steel wire rope on hoist engine (5) and chimney outer barrel (1) outer surface
(2) upper end connection；In the lower end of the crosshead (2), cable wind rope (10) is set；
D, start hoist engine (5) to lift crosshead (2), crosshead (2) is increased to specified location brake hoist engine (5), then
Release the annexation between crosshead (2) and radiation Beam (4)；
E, start hoist engine (5) and crosshead (2) is hoisted to ground, brake hoist engine (5) is by steel wire rope on hoist engine (5) from behaviour
Make to dismantle on frame (2)；Simultaneously during crosshead (2) decline, crosshead (2) is ensured by manual operation cable wind rope (10)
Stability；
F, starting hoist engine (5) causes the connection end of steel wire rope on hoist engine (5) to rise to radiation Beam (4)；
G, repeat step C to F, until all crossheads (2) of chimney outer barrel (1) outer surface are entirely removed；
H, the platform springboard set up in radiation Beam (4) is removed, by hoist engine (5) by platform springboard handling to ground；
I, center drum circle (3) is connected by the second steel wire rope (12) with the crossbeam (8) on radiation Beam (4)；In chimney outer barrel (1)
Upper installation jack (11), described jack (11) one end are connected with chimney outer barrel (1), and the other end is connected with center drum circle (3)；It is described
Jack (11) is circumferentially uniformly distributed on chimney outer barrel (1)；
J, the connection end of steel wire rope on hoist engine (5) is connected with radiation Beam (4), dismounting radiation Beam (4), suspension cable and branch are touched flat
Platform；Then Beam (4), suspension cable and branch will be radiated by hoist engine (5) and touches platform handling to ground；
3) derrick, center drum circle, steel wire rope are removed；
Derrick (6) is removed, by hoist engine (5) by derrick (6) handling to ground；Then the hand in center drum circle (3) is dismantled
Draw cucurbit (12)；By fixed pulley of the connection end of steel wire rope on hoist engine (5) on excessive Beam (8), and with center drum circle (3) even
Connect so that hoist engine (5) is hung in the lower section of big Beam (8) with center drum circle (3) by hoist engine (5) steel wire rope of itself, removes
Second steel wire rope (12)；Start hoist engine (5) and cause hoist engine (5) loop line, until hoist engine (5) and center drum circle (3) land
On ground；The steel wire rope and cable of hoist engine (5) are finally reclaimed, completes the dismounting of chimney hydraulic mould lifting device.
2. the method for dismounting of thermal power station's chimney hydraulic mould lifting device as claimed in claim 1, it is characterised in that：In step 2)
Pacify in step C while the connection end of steel wire rope on hoist engine (5) is connected with crosshead (2) upper end on radiation Beam (4)
Fill chain block；Chain block one end is fixed on radiation Beam (4), the other end is connected with the upper end of crosshead (2)；In step
Specified location, brake hoist engine (5) are arrived by chain block and the common lifting operation frame (2) of hoist engine (5) in D；Then release
Annexation between crosshead (2) and radiation Beam (4)；Then chain block is unclamped, until the steel wire rope on hoist engine (5) stretches tight
It is tight to remove chain block.
3. the method for dismounting of thermal power station's chimney hydraulic mould lifting device as claimed in claim 1, it is characterised in that：In stepb
Directive wheel (9) is fixed on derrick (6) by sling.
4. the method for dismounting of thermal power station's chimney hydraulic mould lifting device as claimed in claim 1, it is characterised in that：Institute in step C
The cable wind rope (10) stated uses the rope made of hemp.
5. the method for dismounting of thermal power station's chimney hydraulic mould lifting device as claimed in claim 1, it is characterised in that：The hoist engine
(5) 3t hoist engines are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580704.XA CN106013795B (en) | 2016-07-22 | 2016-07-22 | The method for dismounting of thermal power station's chimney hydraulic mould lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580704.XA CN106013795B (en) | 2016-07-22 | 2016-07-22 | The method for dismounting of thermal power station's chimney hydraulic mould lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106013795A CN106013795A (en) | 2016-10-12 |
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| CN110409803B (en) * | 2019-08-07 | 2022-02-01 | 中国电建集团山东电力建设有限公司 | Hoisting method for disassembling central drum ring of hydraulic mold lifting device |
| CN112227699A (en) * | 2020-10-28 | 2021-01-15 | 中国十九冶集团有限公司 | Method for dismantling ascending derrick for building ultrahigh chimney |
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| DE2452182C2 (en) * | 1974-11-02 | 1986-05-28 | Dyckerhoff & Widmann AG, 8000 München | Device for the production of structures made of reinforced concrete with a curved outline and elevation by means of a climbing process |
| CN1022117C (en) * | 1990-02-28 | 1993-09-15 | 北京利建模板联合公司 | Process for frame slipform and net framework |
| CN104120877B (en) * | 2013-04-28 | 2016-08-10 | 深圳市特辰科技股份有限公司 | A kind of hydraulic climbing die block system and climbing form method |
| CN103835497A (en) * | 2013-11-30 | 2014-06-04 | 胡吉庆 | Bolt opposite-pulling type track sliding formwork |
| CN104131703A (en) * | 2014-05-16 | 2014-11-05 | 中国建筑第四工程局有限公司 | Method for constructing core tube wall through self-climbing formwork and adopted self-climbing formwork |
| CN105417417A (en) * | 2015-12-16 | 2016-03-23 | 四川电力建设三公司 | Winch lifting system of die lifting device |
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Address after: 641005 138 street, Baima Town, Shizhong District, Neijiang, Sichuan Patentee after: Sichuan Power Construction Third Engineering Co.,Ltd. Address before: 641005 138 street, Baima Town, Shizhong District, Neijiang, Sichuan Patentee before: SICHUAN NO.3 ELECTRIC POWER CONSTRUCTION Co. |
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Effective date of registration: 20190517 Address after: 250000 Building No. 5, No. 3 District, Hanyu Financial and Business Center, Jinan City, Shandong Province Patentee after: China Power Construction Group Shandong Electric Power Construction Co.,Ltd. Address before: 641005 138 street, Baima Town, Shizhong District, Neijiang, Sichuan Patentee before: Sichuan Power Construction Third Engineering Co.,Ltd. |
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