CN105781108B - A kind of construction method for being used to close on large-scale steel-mould trolley entirety transition between place - Google Patents
A kind of construction method for being used to close on large-scale steel-mould trolley entirety transition between place Download PDFInfo
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- CN105781108B CN105781108B CN201610122662.5A CN201610122662A CN105781108B CN 105781108 B CN105781108 B CN 105781108B CN 201610122662 A CN201610122662 A CN 201610122662A CN 105781108 B CN105781108 B CN 105781108B
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
- E02D29/073—Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid on, the water-bed, e.g. in a preformed trench
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Abstract
A kind of construction method for being used to close on large scale steel mould entirety transition between place, weight, size and track route road conditions by the telescoping steel form to institute's handling etc. are analyzed, rationally design telescoping steel form walking track frame, hoisting sling, the fixed vehicle frame of haul etc., the plant equipment such as Rational Matching lifting, transhipment, using " rail frame goes out the low flat board semi-trailer haul of pipeline section cavity+large-tonnage crawler crane integral hoisting+heavy type " mode, segmentation by several times is completed to large-scale steel-mould trolley entirety ferry construction.Rail frame used in the present invention, suspension bracket, spandrel girder support Design are reasonable, it is easy to job site to install and remove, reasonable disposition lifting, transporting equipment, plans hoisting transportation route in advance, it ensure that telescoping steel form globality, process effectively linking forms continuous productive process, and worker's load is greatly decreased, and disturbing factor is few, transition speed is fast, meet duration demand, safety, civilized construction are guaranteed, suitable for large-scale promotion application.
Description
Technical field
The present invention relates to a kind of construction method for being used to close on large-scale steel-mould trolley entirety transition between place, belong to punching block platform
Car ferry construction technical field.
Background technology
At present, in the construction of immersed tube prefabrication of tube section, mainly using dry-docking as prefabricated place, dry-docking need to undergo excavation, prefabricated, filling
Water, fitting-out, dock entrance such as abolish, recovered, backfilling at the complex working condition, and due to taking up an area, scale is big, engineering cost is high, seepage prevention system requirement
Sternly, the duration is influenceed it is big, while by open the navigation or air flight, the condition such as the hydrology is restricted, dry-docking scale is still based on small-sized, medium-sized, and mistake
River/river/seabed immersed tube tunnel is longer, and pipeline section quantity is more, needs prefabricated in batches, transportation by driving, sinking, docking.
In large-sized reinforced concrete construction, the selection of template system, use, be safety, quality, progress, benefit guarantee
One of CCP, large-scale steel-mould trolley because its good integrity, rigidity is high, be convenient to mount and dismount, have enough to meet the need flexibly, can be formed quickly
Construction and many advantages, such as beneficial to factorial construction, gradually instead of traditional full framing template system, extensively should obtain
With.When immersed tube pipeline section is prefabricated in batches, telescoping steel form needs transition to reuse, and traditionally generally solves large-scale steel-mould trolley piece by piece
Body is removed, is assembled again after transition, and such a method is using relatively broad, but repeatedly dismounting, transhipment, assembled, not only influences punching block
Chassis globality and rigidity, and task is cumbersome, quantities is big, the cycle is long, cost is high, seriously reduces telescoping steel form and uses the longevity
Life, construction speed is restricted, therefore, in telescoping steel form construction, the dismounting of telescoping steel form must be reduced as far as possible, have bad luck frequency, with
Extend telescoping steel form service life, at utmost ensure telescoping steel form globality and construction continuity.
The content of the invention
The purpose of the present invention is the problem of presence for prior art, there is provided one kind is used to close on Large Steel die station between place
The construction method of car entirety transition, the processes such as large-scale steel-mould trolley disengaging pipeline section cavity, lifting, transhipment are made to be connected to form stream in order
Water operation, it is effective to reduce telescoping steel form dismounting scope and the frequency, solve large-scale steel-mould trolley because dismantling, turning, having bad luck pair
The influence of telescoping steel form rigidity and globality, construction speed are substantially accelerated, and safe mass is guaranteed, remarkable in economical benefits.
The technical scheme of the present invention that solves the problems, such as is：The construction method of large scale steel mould entirety transition between place is closed on, is passed through
Weight, size and track route road conditions to the telescoping steel form of institute's handling etc. are analyzed, and rationally design telescoping steel form walking
Rail frame, hoisting sling, the fixed vehicle frame of haul etc., the plant equipment such as Rational Matching lifting, transhipment, using " rail frame goes out pipeline section
The low flat board semi-trailer haul of cavity+large-tonnage crawler crane integral hoisting+heavy type " mode, by several times segmentation are completed to large scale steel mould
Chassis entirety ferry construction.
The method of the present invention for closing on large scale steel mould entirety transition between place, comprises the following steps：
(1) prepare before construction
Large-scale steel-mould trolley all sails out of out pipeline section cavity from pipeline section east side, is segmented, lifted, entrucking, along docking just
Descending after road first goes up a slope, driven into through dock bottom road to pipeline section west side into pipeline section cavity, complete lifting and assembling, input makes after debugging
With.
Preferably, it is to large-scale steel-mould trolley equitable subsection, telescoping steel form appearance and size：Length × width × height=18.6m ×
12.4m × 6m, weight reach 160T, telescoping steel form are divided into 2 sections, every section of appearance and size is：Length × width × height=9.3m × 12.4m
× 6m, weight 80T.
(2) making and laying of rail frame
Installation, which is laid on, after rail frame measurement and positioning produces pipeline section east side and rotates on the concrete surface in pipeline section west side, and tightly
Pipeline section base plate paving is suffered, rail frame is sailed out of out and driven into as telescoping steel form into pipeline section cavity job platform, rail frame bottom branch
Leg need to pad jail, weak location paving steel plate, and two groups of termination lower leg, diagonal brace and concrete surface are connected by expansion bolt, rail
Frame rail and the same absolute altitude of pipeline section cavity inner orbit, and be docking integrally, two groups of rail interorbitals away from telescoping steel form road wheel
Spacing is consistent, and telescoping steel form is at the uniform velocity sailed out of out or driven into pipeline section cavity.
The rail frame includes longeron, crossbeam, lower leg, diagonal brace, by bolt, pressing plate to fixed steel on longeron
Rail, longeron are connected with lower leg, diagonal brace by groove welding, and longeron is connected by screw bolts with crossbeam, connects into shaped skeleton,
Form rail frame.
(3) making and installation of suspension bracket
After telescoping steel form goes out pipeline section cavity, pass through vapour as hoisting sling, the suspension bracket using telescoping steel form is worn in suspension bracket
Car is hung and chain block coordinating operation will be worn in telescoping steel form main framing in two groups of longerons, after interim fixed, then lifting cross beam with
Longeron connects to form suspender skeleton, and transverse and longitudinal beam lap-joint is bolted, and suspension bracket sets 4 groups of hangers, and hanger passes through slope with longeron
Mouth is welded to connect, and hanger is connected with steel wire rope by pin.
The suspension bracket includes longeron, crossbeam, hanger, reinforcing plate, and longeron, crossbeam preferably use H profile steel, and hanger preferably uses steel
Plate, bolt preferably use high-strength bolt, and pin is preferably with direct insertion pin.
(4) lifting appliance is in place and hoist cable is hung
After the completion of suspension bracket is fixed with telescoping steel form, lifting appliance is in place in time and hangs, locks hoist cable.According to large scale steel mould
Chassis size, weight, lifting appliance operating mode working range, the specified elevating capacity of weight principal arm operating mode, hanging device overall dimension, steel
Mould trolley and lifting arm safe distance and live site condition etc., the large-scale lifting appliance of reasonable selection.
Hanging device preferably uses crawler crane, and main hook and pair hook steel wire rope are the design matching of former machine, meet that lifting makes
Angle is distributed with requiring, and according to telescoping steel form weight and steel wire rope, considers that safety coefficient more than needed configures 4 steel wire ropes.
(5) telescoping steel form lifting, walking, entrucking, reinforcing
Lifting appliance is in place and hoist cable is hung, lock after, slowly lifting is simultaneously slowly even along dock bottom road toward flat car is hauled
Speed walking, telescoping steel form is hung on load-bearing boom support, the walking roller box of telescoping steel form is put to the card between girder and buttress brace
In groove, entrucking, reinforcing.
Wherein, the haul flat car is preferably equal with heavy low flat board semi-trailer, the existing vehicle arrangement width of in the market
Telescoping steel form width can not be met, haul flat car need to be widened, reinforce.Described load-bearing boom support is haul flat car
On to place the rack platform of fixed telescoping steel form, the steel plate of spandrel girder frame bottom welding is expired with hauling flat board chassis
Weldering, haul flat car form entirety with load-bearing boom support, ensure that the width needed for haul flat car transhipment telescoping steel form and hold
Carry power.
Further, large-scale steel-mould trolley is integrally hung to, is placed on haul flat car after load-bearing boom support, to Large Steel
Mould trolley is reinforced, and preferably respectively install 3 steel wire ropes additional in the left and right of load-bearing boom support is attached reinforcing with telescoping steel form, preceding
Installing 3 steel wire ropes additional afterwards coordinates chain block to be attached reinforcing with telescoping steel form.
(6) flat car climb and fall is hauled, arrives at specified drop off location
Telescoping steel form entrucking, after reinforcing, haul flat car first goes up a slope, through top of the slope platform, again descending, by dock bottom road,
Reach and specify drop off location., need to be in haul flat car front-end platform because telescoping steel form center is higher, to the rear during upward slope
It is fixed to install counterweight additional, prevent haulage vehicle and telescoping steel form from integrally toppling backward.
(7) release and fix, unload, lifting by crane, assembling
It is transported to up to after appointed place, releases fixed steel wire rope, lifting telescoping steel form is placed on rail frame, from pipeline section west
Side enters pipeline section cavity, completes assembling.
(8) debug, come into operation
After the completion of two telescoping steel form assembly, self-test and test running, items for acceptance are carried out to telescoping steel form：Hydraulic system work
Make situation, whether operation is sensitive, and hydraulic system whether there is oil leak；Whether running gear working condition is normal, and whether light is complete, peace
Whether full measure meets production requirement；Electric line lays whether reasonable, safety, and whether electrical equipment operating is normal；Template surface evenness,
It is whether tight, faulting of slab ends situation etc..
After test running and acceptance(check), tissue telescoping steel form is checked and accepted, and is delivered construction teams and is come into operation.
Preferably, in step (5), described load-bearing boom support is made up of girder and crossbeam, and totally 2 groups of girder, every group excellent
From double I300 I-steel, bottom is welded on 20mm steel plates, steel plate and haul flat board chassis full weld, every group of girder work steel
The reserved 50cm spaces in centre, perpendicular to girder upper weld buttress brace, form neck, for laying punching block between girder and buttress brace
The walking roller box of chassis.I300 I-steel, girder and stull junction are preferably used in described spandrel girder set girt(h), A-frame
By being welded to connect, stull passes through machine drilling bolt connection with A-frame.
It is preferred that in step (5), large-scale steel-mould trolley is integrally hung to, be placed in haul flat car carrier bar vehicle frame after,
Large-scale steel-mould trolley is reinforced, preferably respectively installs 3 steel wire ropes of ф 19.5 and telescoping steel form additional in the left and right of load-bearing boom support
Reinforcing is attached, front and rear 3 steel wire ropes of ф 28 of installation coordinate chain blocks to be attached reinforcing with telescoping steel form.
It is preferred that in step (5), after telescoping steel form is fixed on load-bearing boom support, telescoping steel form width is 9.1m, is dragged
The sheet width only 3m of flat car is transported, is hanged outside unilateral load-bearing boom support and reaches 3m, risk of laterally toppling, load-bearing boom support two be present
The outer cantilever 1m positions of side respectively install a support wheel additional.
Compared with prior art, the beneficial effects of the invention are as follows：Using Large Steel between being used to closing on place of the invention a kind of
The construction of mould entirety transition, large-scale steel-mould trolley by body without dismantling, having bad luck, assembly, can carry Large Steel die station
The rail frame of car is disengaging pipeline section cavity platform, and maximum deformation quantity meets the suspension bracket of required precision when being lifted with large-scale steel-mould trolley
For hoisting sling, set using the crawler crane for meeting lifting large-scale steel-mould trolley appearance and size, weight and site operation operating mode as lifting
It is standby, the spandrel girder of the haul flat car of stability and fixed large-scale steel-mould trolley when hauling large-scale steel-mould trolley climb and fall with satisfaction
Support is transporting equipment, large-scale steel-mould trolley is implemented to roll away from pipeline section cavity, lifting, entrucking, reinforcing, transport, unload, assemble,
The step such as come into operation, and effectively reduces the telescoping steel form dismounting frequency, transition progress is fast, telescoping steel form precision, rigidity, security
It is effectively guaranteed.
Used rail frame, suspension bracket, spandrel girder support Design are reasonable, are easy to job site to install and remove, rationally match somebody with somebody
Lifting, transporting equipment are put, hoisting transportation route is planned in advance, ensure that telescoping steel form globality, process is effectively connected to form stream
Water operation, worker's load is greatly decreased, disturbing factor is few, and transition speed is fast, meets duration demand, and safety, civilized construction obtain
Ensure, suitable for large-scale promotion application.
Brief description of the drawings
Fig. 1 is that the present invention is used to close between place that to close on place in the construction method of large-scale steel-mould trolley entirety transition relative
The floor map of position relationship；
Fig. 2 is that the present invention is used to close between place that telescoping steel form to sail out of in the construction method of large-scale steel-mould trolley entirety transition
Go out the elevational schematic view of pipeline section cavity and rail frame laying relative position relation；
Fig. 3 is that the present invention is used to close on the construction method Road rail gantry structure of large-scale steel-mould trolley entirety transition between place and shown
It is intended to；
Fig. 4 is that the present invention is used to close between place that hanger structure to be illustrated in the construction method of large-scale steel-mould trolley entirety transition
Figure；
Fig. 5 is that the present invention is used to close between place lifting appliance in the construction method of large-scale steel-mould trolley entirety transition, hung
The elevational schematic view of the relative position relation of frame and telescoping steel form；
Fig. 6 is that the present invention is used to close between place lifting, walking, dress in the construction method of large-scale steel-mould trolley entirety transition
The elevational schematic view of car relative position relation；
Fig. 7 is that the present invention is used to close between place load-bearing boom support in the construction method of large-scale steel-mould trolley entirety transition
Structural representation；
Fig. 8 is that the present invention is used to close between place in the construction method of large-scale steel-mould trolley entirety transition punching block platform after entrucking
Car fixes the side schematic view reinforced；
Fig. 9 is that the present invention is used to close between place that transportation to be illustrated in the construction method of large-scale steel-mould trolley entirety transition
Figure；
Figure 10 is that the present invention is used to close between place that telescoping steel form to be sailed in the construction method of large-scale steel-mould trolley entirety transition
Into the elevational schematic view of pipeline section cavity and rail frame laying relative position relation；
Shown in figure：1- telescoping steel forms, 101- walking roller boxs, 102- cross struts；2- rail framves, 201- longerons, 202-
Crossbeam, 203- lower legs, 204- diagonal braces, 205- bolts, 206- steel plates, 207- rail, 208- bolts, 209- briquettings；3- is hung
Frame, 301- longerons, 302- crossbeams, 303- hangers, 304- reinforcing plates, 305- pins；4- lifting appliances, the main hooks of 401- and attached hook steel
Cord, 402- steel wire ropes；5- hauls flat car, 501- balancing weights；6- load-bearing boom supports, 601- girders, 602- crossbeams, 603- add
Brutal, 604- A-frames, 605- steel plates, 606- steel wire ropes, 607- steel wire ropes, 608- chain blocks, 609- support wheels, 610- cards
Groove.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment describes the present invention in detail.
As shown in Fig. 1 to 10, a kind of construction method for closing on large-scale steel-mould trolley entirety transition between place of the invention, greatly
Shaped steel mould trolley by body without dismantling, having bad luck, assembly, can carry the rail frame 2 of large-scale steel-mould trolley 1 as disengaging pipeline section chamber
Body platform, maximum deformation quantity meets that the suspension bracket 3 of required precision is suspender skeleton when being lifted with large-scale steel-mould trolley 1, to meet
The crawler crane 4 for hanging the appearance and size of large-scale steel-mould trolley 1, weight and site operation operating mode is hanging device, to meet that haul is large-scale
The load-bearing boom support 6 of the haul flat car 5 of stability and fixed large-scale steel-mould trolley 1 sets for transport during 1 climb and fall of telescoping steel form
It is standby, implement to sail out of out pipeline section cavity to large-scale steel-mould trolley 1, lifting, entrucking, transition are transported, unload, assemble, come into operation
Step, with northern depressed place the large-scale steel-mould trolley 1 of E1~E3 prefabrication of tube section implement overall transition and manage to the prefabricated E4~E6 in southern depressed place
Exemplified by section.
The above-mentioned construction method for closing on large scale steel mould transition between place, needs well in advance preparation of construction, such as solves before implementation
Certainly construct required personnel, material, equipment, water, electricity, construction site etc. is constructed necessary working condition, and for commencement of works and
It is smoothed out carrying out necessary technique preparation etc. after going into operation, specifically, can be achieved by the steps of：
(1) prepare before construction
As shown in figure 1, the present invention be used for close on place between large-scale steel-mould trolley entirety transition construction method, it is described
Construction task is that large-scale steel-mould trolley 1 all sails out of out pipeline section cavity from pipeline section east side, disjunction, lifting, entrucking is carried out, along docking
Descending after sidewalk first goes up a slope, driven into through dock bottom road to pipeline section west side into pipeline section cavity, complete lifting and assembling, put into after debugging
Use.
Preferably, it is to the equitable subsection of large-scale steel-mould trolley 1, the appearance and size of telescoping steel form 1：Length × width × height=18.6m
× 12.4m × 6m, weight reach 160T, telescoping steel form 1 are divided into 2 sections, every section of appearance and size is：Length × width × height=9.3m ×
12.4m × 6m, weight 80T.
(2) making and laying of rail frame 2
As shown in Fig. 2 installation is laid on the coagulation for producing pipeline section east side and rotating into pipeline section west side after the measurement and positioning of rail frame 2
On native face, and adjacent pipeline section base plate paving, rail frame 2 passes in and out pipeline section cavity job platform as telescoping steel form 1, under rail frame 2
Portion's supporting leg 203 need to pad jail, and weak location paving steel plate, two groups of termination lower leg 203, diagonal brace 204 and concrete surface pass through expansion
Bolt connection, the rail 207 of rail frame 2 and the same absolute altitude of pipeline section cavity inner orbit, and be docking integrally, two groups of tracks of rail 207
Spacing is consistent with the road wheel spacing of telescoping steel form 1, and telescoping steel form 1 is at the uniform velocity sailed out of out or driven into pipeline section cavity.
As shown in figure 3, the rail frame 2 includes longeron 201, crossbeam 202, lower leg 203, diagonal brace 204, it is preferably to uses
H300 shaped steel connects into shaped skeleton, passes through bolt 208, pressing plate 209 on the longeron 201 of rail frame 2 with the machine drilling of 80cm spacing
To fixed rail 207, longeron 201 is connected with lower leg 203, diagonal brace 204 by groove welding, longeron 201 and crossbeam
202 junctions are connected using high-strength bolt 205, often locate 16, shaped steel overlap joint or broken end weld 20mm steel plates 206.
Rail 207 is connected with longeron 201 by bolt 208, pressing plate 209.
It is preferred that two groups of termination lower leg 203 and diagonal brace 204 and concrete surface fixation, avoid Large Steel die station
Car 1 sails out of out walking impulsive force caused by pipeline section cavity, and large-scale steel-mould trolley 1 sails out of out, drives into and to be kept into pipeline section cavity
At the uniform velocity low speed is advanced.
(3) suspension bracket 3 makes and installed
As shown in Fig. 2 after telescoping steel form 1 sails out of out pipeline section cavity, hung using telescoping steel form 1 is worn in suspension bracket 3 as lifting
Tool, the suspension bracket 3 will be worn in the main framing of telescoping steel form 1 in two groups of longerons 301 by truck crane and chain block coordinating operation, faced
When fix after, then lifting cross beam 302 is connected to form skeleton with longeron 301, and lap-joint's machine drilling is connected by bolt 205, often
16, place, suspension bracket 3 sets 4 groups of hangers 303, and hanger 303 is connected with longeron 301 by groove welding, hanger 303 and steel wire rope 402
Connected by pin 305.
As shown in figure 4, the suspension bracket 3 includes longeron 301, crossbeam 302, hanger 303, reinforcing plate 304, longeron 301 is preferred
With 390 × 300H shaped steel, crossbeam 302 preferably preferably uses 25mm steel plates, reinforcing plate 304 with 300 × 300H shaped steel, hanger 303
It is preferred that with 10mm steel plates, bolt 205 preferably uses high-strength bolt, and pin 305 preferably uses 100 direct insertion pins of Ф.
It is preferred that when wearing telescoping steel form 1 in the suspension bracket 3, the position of 3 longeron of suspension bracket 301 is adjusted, is allowed to symmetrical, suspension bracket 3
Worn in longeron 301 position it is errorless after be welded and fixed with the contact surface of telescoping steel form 1 by reinforcing plate 304, in order to avoid handling process is rocked
And produce unstability.In the range of suspension bracket 3 and the contact point of telescoping steel form 1, the side of longeron 301 and reinforcing plate 304 by groove welding, with
Strengthen the bulk strength of 3 longeron of suspension bracket 301.
(4) lifting appliance 4 is in place and hoist cable 402 is hung
After the completion of such as Fig. 2 and as shown in figure 5, suspension bracket 3 and telescoping steel form 1 fix, lifting appliance 4 is in place in time and hang,
Hoist cable 402 is locked, carries out preparation of construction before lifting.According to lifting part appearance and size, weight, lifting appliance operating mode work model
Enclose, weigh specified elevating capacity, hanging device overall dimension, telescoping steel form and the lifting arm safe distance of principal arm operating mode and live place
Condition etc., wherein reasonable selection large lifting equipment 4, security are an important factor for selecting lifting appliance.
Further, hanging device preferably uses crawler crane 4, and main hook and pair hook steel wire rope 401 are the design of former machine
Match somebody with somebody, meet lifting requirement, and angle is distributed according to the weight of telescoping steel form 1 and steel wire rope 402, consider that safety coefficient more than needed is excellent
8 meters long from 4, diameter Ф 65 steel wire rope 402, every steel wire rope 402 is connected with hanger 303 by pin 305.
(5) telescoping steel form 1 lift by crane, walk, entrucking, reinforcing
As can be seen from figures 6 to 8, lifting appliance 4 is in place and hoist cable 402 is hung, lock after, slowly lift by crane simultaneously past along dock bottom road
Haul flat car 5 is slowly at the uniform velocity walked, and telescoping steel form 1 is hung on load-bearing boom support 6, by the walking roller box 101 of telescoping steel form 1
Put to the neck 610 between girder 601 and buttress brace 603, entrucking, reinforcing.
Wherein, the haul flat car 5 is preferably equal with heavy low flat board semi-trailer, the existing vehicle arrangement width of in the market
The width of telescoping steel form 1 can not be met, haul flat car 5 need to be widened, reinforce.Described load-bearing boom support 6 is flat for haul
To place the rack platform of fixed telescoping steel form 1 on wooden handcart 5, described load-bearing boom support 6 include girder 601, stull 602,
Buttress brace 603, A-frame 604, bottom plate welding steel 605.The girder 601 of load-bearing boom support 6, the steel of the bottom of crossbeam 602 welding
Plate 605 and the haul chassis full weld of flat car 5, so that haul flat car 5 forms entirety with load-bearing boom support 6, ensure that haul is flat
Wooden handcart 5 transports the width and bearing capacity needed for telescoping steel form 1.
As shown in Figure 7,8, totally 2 groups described of the girder 601 of load-bearing boom support 6, every group preferably with double 300 work steel, bottom weldering
It is connected on 20mm steel plates 605, steel plate 605 and the haul chassis full weld of flat car 5, reserved 50cm among every group of work steel of girder 601
Space, perpendicular to the upper weld buttress brace 603 of girder 601, neck 610 is formed between girder 601 and buttress brace 603, for laying
The walking roller box 101 of telescoping steel form 1.The described crossbeam 602 of load-bearing boom support 6, A-frame 604 are preferably with 300 work steel, girder
601 are connected with the join preferred weld of crossbeam 602, and crossbeam 602 is connected with A-frame 604 by machine drilling bolt 205.
As shown in Figure 7,8, large-scale steel-mould trolley 1 is overall be hung to, be placed in the haul load-bearing boom support 6 of flat car 5 after, to big
Shaped steel mould trolley 1 is reinforced, and respectively install 3 steel wire ropes 606 of ф 19.5 additional in the left and right of load-bearing boom support 6 enters with telescoping steel form 1
Row reinforcement by connection, front and rear 3 steel wire ropes 607 of ф 28 of installation coordinate chain blocks 608 to be attached reinforcing with telescoping steel form 1.
As shown in figure 8, after telescoping steel form 1 is fixed on load-bearing boom support 6, the width of telescoping steel form 1 is 9.1m, hauls flat board
The sheet width of car only 3m, unilateral load-bearing boom support 6 is outstanding outside to reach 3m, risk of laterally toppling be present, the both sides of load-bearing boom support 6
Outer cantilever 1m positions respectively install a support wheel 609 additional.
(6) climb and fall of load-bearing boom support 6, specified drop off location is arrived at
As Fig. 1 and as shown in figure 9, haul flat car 5 first go up a slope, through top of the slope platform, again descending, by dock bottom road, arrive
Up to specified drop off location, remain a constant speed, low speed is advanced.
The climb and fall of flat car 5 is hauled, docking sidewalk has the gradient, large-scale steel-mould trolley 1 to be gone all out under producing, acts on three Pin tri-
On corner bracket 604, under the most unfavorable processing condition, under go all out to provide anti-bearing pressure by A-frame 604, in addition, go up a slope during, because of punching block
Chassis center is higher, to the rear, fixed in haul flat car front-end platform to install counterweight 501 additional, prevents that haulage vehicle and weight are whole
Body topples backward.
(7) release and fix, unload, lifting by crane, assembling
Such as Figure 10, telescoping steel form 1 is transported to up to after appointed place, is released fixed steel wire rope 606,607, is lifted by crane telescoping steel form
1 places on rail frame 2, is driven into from pipeline section west side into pipeline section cavity, completes the assembling such as electrical equipment.
(8) debug, come into operation
After the completion of two assembly of telescoping steel form 1, self-test and test running, items for acceptance are carried out to telescoping steel form 1：Hydraulic system
Working condition, whether operation is sensitive, and hydraulic system whether there is oil leak；Whether running gear working condition is normal, and whether light is complete,
Whether safety measure meets production requirement；Electric line lays whether reasonable, safety, and whether electrical equipment operating is normal；Template face is smooth
Degree, if tight, faulting of slab ends situation etc..
After test running and acceptance(check), tissue telescoping steel form 1 is checked and accepted, and is delivered construction teams and is come into operation.
In the above-described embodiments, for construction effect is better achieved, additionally it is possible to proceed as follows：
In step (3), the size design of the hanger 303 of hanging beam 3 will installation, safety stock coefficient be high, stress is tested to facilitate
Calculate it is qualified configured for principle, be connected with girder 301 by groove welding, weld seam need to be detected according to first-order weld it is qualified can
Use.
In step (5), as shown in fig. 6, during handling, it is necessary to steady lifting and let-down, in order to avoid impulsive force it is excessive and
Lifting rope intensity deficiency.In hoisting process, drawn using the rope made of hemp, controlled with manpower travel direction, there should be unified command signal.
In step (5), to prevent telescoping steel form 1 from being deformed in lifting, telescoping steel form 1 increases bottom cross struts 102, with
Ensure telescoping steel form stability.Uniform load bearing component of the buttress brace 603 as telescoping steel form bottom girder 601, to meet entirely to hold
The loading demands of carrier beam support 6, make deformation controllable, privileged sites still need to bolster wood or the lumps of wood.
In step (6), haul flat car 5 ensures that tire pressure is normal, and road is smooth, must not have barrier, with low speed at the uniform velocity
Traveling.
After the completion of above-mentioned large scale steel mould entirety transition, according to construction and place the present invention that will be applied can be needed to use
The rail frame 2 of large scale steel mould entirety transition, suspension bracket 3, load-bearing boom support 6 etc. are disassembled between place is closed on, used each
Shaped steel still is able to recycle.
Above-described embodiment is the specific embodiment of the present invention, and the present invention is not limited to above-mentioned embodiment, ability
Any to the above-mentioned embodiment conspicuously improved or change that field technique personnel are made, all without the structure beyond the present invention
Think the protection domain with appended claims.
Claims (7)
- A kind of 1. construction method for being used to close on large-scale steel-mould trolley entirety transition between place, it is characterised in that：(1) prepare before constructionLarge-scale steel-mould trolley all sails out of out pipeline section cavity from pipeline section east side, is segmented, lifted, entrucking, first along docking sidewalk Descending after upward slope, driven into through dock bottom road to pipeline section west side into pipeline section cavity, complete lifting and assembling, come into operation after debugging；(2) making and laying of rail frameInstallation, which is laid on, after rail frame measurement and positioning produces pipeline section east side and rotates on the concrete surface in pipeline section west side, and adjacent pipe Section base plate paving, rail frame is sailed out of out and driven into as telescoping steel form to be needed into pipeline section cavity job platform, rail frame lower leg Pad jail, weak location paving steel plate, two groups of termination lower leg, diagonal brace and concrete surface are connected by expansion bolt, rail frame steel Rail and the same absolute altitude of pipeline section cavity inner orbit, and be docking integrally, two groups of rail interorbitals away from telescoping steel form road wheel spacing Unanimously, telescoping steel form is at the uniform velocity sailed out of out or driven into pipeline section cavity；The rail frame includes longeron, crossbeam, lower leg, diagonal brace, is indulged by bolt, pressing plate to fixed rail on longeron Beam is connected with lower leg, diagonal brace by groove welding, and longeron is connected by screw bolts with crossbeam, connects into shaped skeleton, is formed Rail frame；(3) making and installation of suspension bracketAfter telescoping steel form goes out pipeline section cavity, pass through truck crane as hoisting sling, the suspension bracket using telescoping steel form is worn in suspension bracket And chain block coordinating operation will be worn in telescoping steel form main framing in two groups of longerons, after temporarily fixed, then lifting cross beam and longeron Connection forms suspender skeleton, and transverse and longitudinal beam lap-joint is bolted, and suspension bracket sets 4 groups of hangers, and hanger passes through groove welding with longeron Connect in succession, hanger is connected with steel wire rope by pin；The suspension bracket includes longeron, crossbeam, hanger, reinforcing plate, and longeron, crossbeam H profile steel, hanger steel plate, bolt is with high-strength Spend bolt, the direct insertion pin of pin；(4) lifting appliance is in place and hoist cable is hungAfter the completion of suspension bracket is fixed with telescoping steel form, lifting appliance is in place in time and hangs, locks hoist cable；According to large-scale steel-mould trolley Size, weight, lifting appliance operating mode working range, the specified elevating capacity of weight principal arm operating mode, hanging device overall dimension, punching block platform Car and lifting arm safe distance and live site condition, select large-scale lifting appliance；(5) telescoping steel form lifting, walking, entrucking, reinforcingLifting appliance is in place and hoist cable is hung, lock after, slowly lifting is simultaneously slowly at the uniform velocity capable along dock bottom road toward haul flat car Walk, telescoping steel form be hung on load-bearing boom support, the walking roller box of telescoping steel form is put to the neck between girder and buttress brace, Entrucking, reinforcing；Wherein, the heavy low flat board semi-trailer of haul flat car, the existing vehicle arrangement width of in the market can not meet Telescoping steel form width, haul flat car need to be widened, be reinforced；The load-bearing boom support on haul flat car placing The rack platform of fixed telescoping steel form, steel plate and the haul flat board chassis full weld of the welding of spandrel girder frame bottom, hauls flat board Car forms entirety with load-bearing boom support, ensure that width and bearing capacity needed for haul flat car transhipment telescoping steel form；(6) flat car climb and fall is hauled, arrives at specified drop off locationTelescoping steel form entrucking, after reinforcing, haul flat car first goes up a slope, through top of the slope platform, again descending, by dock bottom road, reach Specify drop off location；, need to be fixed in haul flat car front-end platform because telescoping steel form center is higher, to the rear during upward slope Install counterweight additional, prevent haulage vehicle and telescoping steel form from integrally toppling backward；(7) release and fix, unload, lifting by crane, assemblingIt is transported to up to after appointed place, releases fixed steel wire rope, lifting telescoping steel form is placed on rail frame, entered from pipeline section west side Enter pipeline section cavity, complete assembling；(8) debug, come into operationAfter the completion of two telescoping steel form assembly, self-test and test running, items for acceptance are carried out to telescoping steel form：Hydraulic work system feelings Condition, whether operation is sensitive, and hydraulic system whether there is oil leak；Whether running gear working condition is normal, and whether light is complete, arranges safely Apply and whether meet production requirement；Electric line lays whether reasonable, safety, and whether electrical equipment operating is normal；Template surface evenness, if Tightly, faulting of slab ends situation；After test running and acceptance(check), tissue telescoping steel form is checked and accepted, and is delivered construction teams and is come into operation.
- 2. a kind of construction method for being used to close on large-scale steel-mould trolley entirety transition between place according to claim 1, its It is characterised by：The large-scale steel-mould trolley is divided into two sections, i.e. telescoping steel form appearance and size is：Length × width × height=18.6m × 12.4m × 6m, weight reach 160T, and every section of appearance and size is：Length × width × height=9.3m × 12.4m × 6m, weight 80T.
- 3. a kind of construction method for being used to close on large-scale steel-mould trolley entirety transition between place according to claim 1, its It is characterised by：The lifting appliance crawler crane, main hook and pair hook steel wire rope are the design matching of former machine, meet that lifting makes Angle is distributed with requiring, and according to telescoping steel form weight and steel wire rope, considers that safety coefficient more than needed configures 4 steel wire ropes.
- 4. a kind of construction method for being used to close on large-scale steel-mould trolley entirety transition between place according to claim 1, its It is characterised by：Load-bearing boom support in the step (5) is made up of girder and crossbeam, totally 2 groups of girder, and every group is used double I300 I-shapeds Steel, bottom are welded on 20mm steel plates, steel plate and haul flat board chassis full weld, and reserved 50cm is empty among every group of girder work steel Between, perpendicular to girder upper weld buttress brace, neck is formed between girder and buttress brace, for laying the road wheel of telescoping steel form Case；The spandrel girder set girt(h), A-frame I300 I-steel, girder with stull junction by being welded to connect, stull Pass through machine drilling bolt connection with A-frame.
- 5. a kind of construction method for being used to close on large-scale steel-mould trolley entirety transition between place according to claim 1, its It is characterised by：The medium-and-large-sized telescoping steel form of the step (5) is integrally hung to, be placed in haul flat car load-bearing boom support after, to big Shaped steel mould trolley is reinforced, and respectively install 3 steel wire ropes of ф 19.5 additional in the left and right of load-bearing boom support is attached with telescoping steel form Reinforce, front and rear 3 steel wire ropes of ф 28 of installation coordinate chain blocks to be attached reinforcing with telescoping steel form.
- 6. a kind of construction method for being used to close on large-scale steel-mould trolley entirety transition between place according to claim 1, its It is characterised by：After telescoping steel form is fixed on load-bearing boom support in the step (5), telescoping steel form width is 9.1m, and haul is flat The sheet width of wooden handcart only 3m, unilateral load-bearing boom support is outstanding outside to reach 3m, risk of laterally toppling be present, load-bearing boom support both sides Outer cantilever 1m positions respectively install a support wheel additional.
- 7. a kind of construction method for being used to close on large-scale steel-mould trolley entirety transition between place according to claim 1, its It is characterised by：The medium-and-large-sized telescoping steel form of the step (5) is integrally hung to, is placed on haul flat car after load-bearing boom support, right Large-scale steel-mould trolley is reinforced, and respectively install 3 steel wire ropes additional in the left and right of load-bearing boom support is attached reinforcing with telescoping steel form, Front and rear 3 steel wire ropes of installation coordinate chain blocks to be attached reinforcing with telescoping steel form.
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| CN106861882A (en) * | 2017-02-24 | 2017-06-20 | 中国电建集团河南工程公司 | The method that ball mill has bad luck lifting in building |
| CN109911639B (en) * | 2019-03-19 | 2020-10-23 | 海洋石油工程（青岛）有限公司 | Disassembling-free splicing transfer and transportation process for crawler crane |
| CN114132824B (en) * | 2021-12-15 | 2023-09-26 | 上海振华重工启东海洋工程股份有限公司 | Turning method for arm support of large wind power installation ship |
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