CN107829370A - High pier self-climbing hydraulic rollover construction process - Google Patents
High pier self-climbing hydraulic rollover construction process Download PDFInfo
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- CN107829370A CN107829370A CN201711084374.6A CN201711084374A CN107829370A CN 107829370 A CN107829370 A CN 107829370A CN 201711084374 A CN201711084374 A CN 201711084374A CN 107829370 A CN107829370 A CN 107829370A
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- leading truck
- lower template
- retractor device
- upper former
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- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title abstract description 19
- 230000008569 process Effects 0.000 title abstract description 14
- 230000009194 climbing Effects 0.000 claims abstract description 42
- 238000009415 formwork Methods 0.000 claims abstract description 29
- 230000007306 turnover Effects 0.000 claims abstract description 28
- 239000004567 concrete Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 238000005516 engineering process Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 10
- 230000015271 coagulation Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 239000004035 construction material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000037452 priming Effects 0.000 description 3
- 238000004801 process automation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridge high pier turnover formwork, in particular to a high pier self-climbing hydraulic turnover formwork construction process, and aims to solve the technical problem of providing a high pier self-climbing hydraulic turnover formwork construction process which is light in demolding process and automatic in turnover formwork climbing process, and mainly comprises the following steps: firstly, installing a template; installing an external frame and a turnover formwork climbing system; thirdly, pouring concrete; fourthly, demolding, lifting and installing the lower-layer template; (V) lifting the outer frame; by adopting the turnover formwork construction process, the demoulding process of the formwork is light, the turnover formwork climbing process is automatic, the alternate lifting of the formwork and an external frame is realized, the operation is simple, the operation is convenient and fast, the cost is lower, and the turnover formwork efficiency is effectively improved.
Description
Technical field
The present invention relates to Bridge High-pier overmolded skill field, and in particular to a kind of high pier is from climbing liquid press to turn over molds construction technology.
Background technology
High pier is relatively conventional in the bridge pier structure of mountain railway, bridge on highway, the template scaffold system of Bridge Pier Construction
System normal method has console mode, slip form type, overmolded formula.It is substantially no to use console mode pin in current Bridge High-pier construction
The mode of hand cradle construction, overhanging scaffold need to bury Cantilever Beams in pier shaft, after exposed Cantilever Beams are cut off after construction, buried
The Cantilever Beams metal covering being located in pier shaft is exposed, because metal rusting causes rust staining to pollute pier shaft.Slip-form is frequently with chain block
Or punching hydraulic jack integrally lifts mould bases, its hoisting frame is typically propped up by the steel bracket being permanently embedded in pier shaft
Hold.Because overmolded method is ensureing construction safety, shorten construction period, the advantage in terms of lifting construction quality, overmolded method in recent years
Gradually it is used widely in Construction practices.According to analysis, existing overmolded mode mainly has：A. tower crane+artificial overmolded；b.
Tower crane+chain block overmolded；C. tower crane+punching hydraulic jack overmolded；D. hydraulic lifting framework+small-sized tower crane of trailing type is turned over
Mould；In summary, the mode of substantially artificial+machinery of existing overmolded method, especially overmolded process are also not carried out automatically
Change, cause the time used in overmolded process partially long.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of knockout course lightweight, overmolded climbing frame crosses process automation
High pier is from climbing liquid press to turn over molds construction technology.
The technical solution adopted for the present invention to solve the technical problems is：High pier wraps from liquid press to turn over molds construction technology of climbing
Include following steps：
(1) model sheetinstallat；
Template includes upper former and lower template, and first one layer of installation surrounds Bridge High-pier and pours chamber below Bridge High-pier
Lower template, one layer of upper former for surrounding Bridge High-pier and pouring chamber then is installed in the top of lower template；
It is connected between template on shaft of high pier on relative side by split bolt, in the upper former and lower floor
The back side of template is provided with Form beam；
(2) external frame, overmolded climbing scaffold system are installed；
The height of external frame is arranged to suitable with the height of three section templates, the external frame includes vertical guide,
Vertical guide is arranged on to the outside of template, and the top of upper former is extended to by lower template, in the vertical guide
The one end cranked arm is connected with, the other end cranked arm is detachably connected in upper former；It is described crank arm, vertical guide and mould
Plate is surrounded by the template passed through for template and lifts section；The drive of connection driving overmolded climbing scaffold system work on overmolded climbing scaffold system
Dynamic system；
Overmolded climbing scaffold system includes retractor device, lowering or hoisting gear, and lowering or hoisting gear is slidably connected at into the vertical of vertical guide
On direction；Retractor device is connected to the upper and lower ends of lowering or hoisting gear, and retractor device by Form beam with upper strata mould
Plate and lower template are detachably connected；
(3) casting concrete；
The concrete of lower template is first poured, first layer concreting is completed, when first segment concrete is not less than 10MPa
When, the concreting of upper former is carried out, 150~200mm under concreting to upper former top surface, the second layer is completed and mixes
Solidifying soil pours；
(4) demoulding, lifting and the installation of lower template, comprises the following steps：
A, the split bolt being connected on shaft of high pier between this side lower template and offside lower template is removed；
B, the connection between diagonal brace and the Form beam of lower template is removed, naturally droops diagonal brace.
C, retractor device is operated so that retractor device shrinks, so as to drive lower template to depart from lower-layer concrete, under making
Layer template is located in template lifting section；
D, lowering or hoisting gear is controlled, makes lowering or hoisting gear vertically guide rail upward sliding, so as to drive lower template vertical lifting,
Until it is promoted to the top of upper former；
E, retractor device is operated again so that retractor device is extended, and lower template is moved into installed position；Then pour
Build third layer concrete；
(5) lifting of external frame；
F, by operating drive system, lowering or hoisting gear and the overall vertically downward downhill race of guide rail of retractor device are made to upper strata mould
At Board position；
G, retractor device is operated, stretches out retractor device, then one end of retractor device is connected to the template of upper former
Liang Shang, fix upper former；
H, the connection cranked arm between upper former is removed again, operates outer shifting of cranking arm；
I, using upper former as support, by drive system control lowering or hoisting gear, make lowering or hoisting gear drive external frame and
Entirety of cranking arm steps up upwards, until being promoted to assigned position；
J, operate and crank arm again, make interior shifting of cranking arm, be connected external frame with template by cranking arm；
Further, lowering or hoisting gear described in step (2) include upper leading truck, middle leading truck, lower leading truck, support bar, tiltedly
Support, lift cylinders, on described leading truck, middle leading truck, be respectively arranged with locking cylinder, middle locking cylinder, lower lock on lower leading truck
Tight cylinder, the upper leading truck, middle leading truck, lower leading truck are slidably connected with vertical guide, make it vertically on guide rail
Lower slider, the lift cylinders are arranged between lower leading truck and middle leading truck, and one end of the support bar is connected with lower leading truck,
The other end is connected with upper leading truck, and one end of the diagonal brace is connected with upper leading truck, and the other end is detachably connected with template, described
Retractor device is connected with upper leading truck and lower leading truck respectively.
Further, the upper former and lower template described in step (1) are formed by multiple template unit, adjacent
It is bolted between the modular unit as entirety, the reinforcement back of the body is provided with the upper former and the lower template back side
It is stupefied.
Further, the modular unit includes plane moulding board unit, corner formwork unit, along bridge to upper former and Shun Qiao
Formed to lower template by two corner formwork units and plane moulding board unit, the plane moulding board unit is located at corner formwork
Between unit, and it is bolted, direction across bridge upper former and direction across bridge lower template are by two corner formwork unit structures
Into being bolted between the corner formwork unit.
Further, step is also included in step (2)：The song moved horizontally that makes to crank arm is provided with the vertical guide
Arm push-pull device at fixed.
Further, the overmolded climbing scaffold system described in step (2) in each side of shaft of high pier at least provided with two.
Further, step is also included in step (2)：Locating piece is set in the vertical guide.
Further, step is also included in step (2)：The operation for setting up operating platform is provided with the vertical guide
Platform bearing rod, and set up operating platform on operating platform bearing rod.
Further, step is also included in step (2)：Accumulator and hand oil pump are installed at the hydraulic system.
Further, displacement transducer and hydraulic lock are installed in the lift cylinders.
Compared with prior art, the beneficial effects of the invention are as follows：High pier provided by the present invention is applied from the liquid press to turn over molds that climbs
Work technique, the demoulding of template is realized by retractor device, make knockout course lightweight, template and outside are realized by lowering or hoisting gear
The lifting of framework, present invention institute's high pier are real without tower crane during template is turned over and risen from liquid press to turn over molds construction technology of climbing
Show the automation of overmolded climbing frame, until pour to pier top, and bolster can be recycled, and save construction material, it is convenient and swift,
Improve overmolded efficiency.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the top view of the present invention；
Fig. 4 is overmolded climbing scaffold system structural representation in the present invention；
Fig. 5 is outer frame structural representation of the present invention；
Fig. 6 is outer frame side view of the present invention；
Fig. 7 in the present invention along bridge to formwork structure schematic diagram；
Fig. 8 is direction across bridge formwork structure schematic diagram in the present invention；
Fig. 9 is shaft of high pier model sheetinstallat top view in the present invention；
Figure 10 is structural representation of being cranked arm in the present invention；
Fig. 1 is expressed as to reference shown in Figure 10：1- upper formers, 2- lower templates, 3- external frames, 4-
Overmolded climbing scaffold system, 5- crank arm, 6- Form beams, 7- vertical guides, and 8- cranks arm supporting leg, 9- templates lifting section, 10- locating pieces,
11- operating platforms, 12- operating platform bearing rods, the upper leading trucks of 401-, leading truck in 402-, leading truck under 403-, 404- supports
Bar, 405- diagonal braces, the upper locking cylinders of 406-, locking cylinder in 407-, locking cylinder under 408-, 409- lift cylinders, 41- retractor devices, 42-
Lowering or hoisting gear, 101- strengthen back cord, 102- plane moulding board units, 103- corner formwork units.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and examples.
As shown in Figure 1 to Figure 3, high pier provided by the present invention comprises the following steps from liquid press to turn over molds construction technology of climbing：
(1), model sheetinstallat；
Template includes upper former 1 and lower template 2, and first one layer of installation surrounds Bridge High-pier and pours chamber below Bridge High-pier
Lower template 2, then lower template 2 top install one layer of upper former 1 for surrounding Bridge High-pier and pouring chamber；
It is connected between template on shaft of high pier on relative side by split bolt, in the upper former 1 with
The back side of layer template 2 is provided with Form beam 6；
(2), external frame 3, overmolded climbing scaffold system 4 are installed；
The height of external frame 3 is arranged to suitable with the height of three section templates, the external frame 3 includes vertical guide
7, vertical guide 7 is arranged on to the outside of template, and the top of upper former 1 is extended to by lower template 2, vertically led described
Be connected with rail 7 crank arm 5 one end, 5 other end of cranking arm is detachably connected in upper former 1；It is described to crank arm 5, be perpendicular
Direction guiding rail 7 and template are surrounded by the template passed through for template and lift section 9；Connection driving overmolded is climbed on overmolded climbing scaffold system 4
The drive system that frame system 4 works；
Overmolded climbing scaffold system 4 includes retractor device 41, lowering or hoisting gear 42, and lowering or hoisting gear 42 is slidably connected at into vertical guide
On 7 vertical direction；Retractor device 41 is connected to the upper and lower ends of lowering or hoisting gear 42, and retractor device 41 passes through template
Beam 6 is detachably connected with upper former 1 and lower template 2；
(3), casting concrete；
The concrete of lower template 2 is first poured, first layer concreting is completed, when first segment concrete is not less than
During 10MPa, the concreting of upper former 1 is carried out, 150~200mm under concreting to the top surface of upper former 1, is completed
Second layer concreting；
(4), the demoulding, lifting and the installation of lower template 2, comprises the following steps：
A, the split bolt being connected on shaft of high pier between this side lower template 2 and offside lower template 2 is removed；
B, the connection between diagonal brace 405 and the Form beam 6 of lower template 2 is removed, naturally droops diagonal brace 405.
C, retractor device 41 is operated so that retractor device 41 shrinks, so as to drive lower template 2 to depart from lower-layer concrete,
The lower template 2 made is located in template lifting section 9；
D, lowering or hoisting gear 42 is controlled, makes the vertically upward sliding of guide rail 7 of lowering or hoisting gear 42, so as to drive lower template 2 perpendicular
To lifting, until being promoted to the top of upper former 1；
E, retractor device 41 is operated again so that retractor device 41 is extended, and lower template 2 is moved into installed position；
Then third layer concrete is poured；
(5), the lifting of external frame 3, comprises the following steps：
F, by operating drive system, lowering or hoisting gear 42 and the overall vertically 7 downward downhill race of guide rail of retractor device 41 are made extremely
The opening position of upper former 1；
G, retractor device 41 is operated, stretches out retractor device 41, then one end of retractor device 41 is connected into upper former 1
Form beam 6 on, fix upper former 1；
H, the connection cranked arm between 5 and upper former 1 is removed again, operates 5 shiftings outside of cranking arm；
I, it is support with upper former 1, lowering or hoisting gear 42 is controlled by drive system, lowering or hoisting gear 42 is driven external frame
Frame 3 and 5 entirety of cranking arm step up upwards, until being promoted to assigned position；
J, operate again and crank arm 5, make to crank arm and move in 5,5 be connected external frame 3 with template by cranking arm；
The drive system includes hydraulic system and electric-control system, and a set of hydraulic pressure has been separately configured in each side of high pier
System, it can prevent unilateral overmolded climbing scaffold system 4 from the disrumpent feelings situation of oil pipe, cable occur in action；Electric-control system includes various
Detecting element and PLC programmings, by electric-control system, can a key realize that the continuous steps of template and framework climb, it is simple to operate
Efficiently, and by electric-control system, when overmolded climbing frame operates, workmen need to only operate in the framework of sides adjacent, ensure to apply
The safety of worker person；The upper former 1 and lower template 2 are used to be located at lower floor's mould to high pier concreting, upper former 1
The top of plate 2, when the high pier of progress pours, lower template 2 is installed first, when carrying out the installation of lower template 2, can be drawn
With the mounting means of template in the prior art, i.e., the template of opposite flank is connected by split bolt 8 on shaft of high pier, can
Coagulation earth lateral pressure and other load, split bolt 8 and the fulcrum of template and its supporting construction are enough born, by drawing spiral shell
Bolt 8 strengthens globality, rigidity and the intensity of template；After 2 installation of lower template, then poured, then in lower floor's mould
The top installation upper former 1 of plate 2, carries out the concreting of upper former 1 after installation；In the upper former 1 with
The back side of layer template 2 is fixedly installed Form beam 6, and the Form beam 6 hugs the back side in upper former 1 and lower template 2,
Template lock ring enable after the completion of pouring on concrete, it is described to crank arm 5 for pier to be fixed in the opening position of upper former 1
The upper former 1 of body is connected with external frame 3, single during the overmolded of lower template 2 to the top of upper former 1 is carried out
Solely 5 external frame 3 is set to be fixed with upper former 1 and pier shaft coagulation body by cranking arm, and enable lower template 2 by cranking arm 5,
Vertical guide 7 and Form beam 6 surround the template passed through for template and lift section 9；Described 5 one end of cranking arm are connected to vertical guide 7
On, the other end is detachably connected with upper former 1, and particularly crank arm 5 is connected with the Form beam 6 of upper former 1, described removable
Unloading connection can be connected by screw bolts or latch connection, by being detachably connected so that cranking arm between 5 and upper former 1 connection can
Dismounting, be easy to crank arm 5 with the dismounting of upper former 1 and be connected, facilitate crank arm 5 outer shifting and interior shifting, the shifting outside 5 of cranking arm be
Crank arm and 5 moved to the direction of external frame 3, it is described crank arm to move in 55 moved to crank arm to template direction；The overmolded climbing scaffold system 4
It is the important mechanism for lifting lower template 2 and external frame 3, overmolded climbing scaffold system includes retractor device 41, lowering or hoisting gear 42, institute
The upper and lower ends that retractor device 41 is located at lowering or hoisting gear 42 are stated, using ground as plane base, the upper end is one away from ground
End, the lower end are close to the one end on ground；The retractor device 41 is mainly used in being stripped, and the lowering or hoisting gear 42 is mainly used in
Lifting to lower template 2 and external frame 3, the retractor device 41 can use hydraulic cylinder or linkage, in order to save into
This, can be preferably arranged between upper former 1 and vertical guide 7 using linkage, the retractor device 41, can also
Be arranged between lower template 2 and vertical guide 7, concretely, retractor device 41 by Form beam 6 and upper former 1 and under
Layer template 2 is connected, and when carrying out the lifting of lower template 2, is first removed the split bolt 8 in lower template 2, then pass through
Operate retractor device 41 so that retractor device 41 shrinks, so as to drive lower template 2 to depart from lower-layer concrete so that lower floor's mould
Plate 2 is located in template lifting section 9, then vertically the vertical direction of guide rail 7 slides up by the drive of lowering or hoisting gear 42 lower template 2
It is dynamic, lower template 2 is lifted, is turned over until lower template 2 and is raised to the top assigned position of upper former 1, then grasped again
Make retractor device 41 so that retractor device 41 extends is moved to installation site by lower template 2；After the completion of lower template 2 is lifted,
The lifting to external frame 3 is carried out again, and by drive system, making lowering or hoisting gear 42, vertically the downhill race of guide rail 7 is right to upper former 1
Opening position is answered, retractor device 41 and upper former 1 are attached, specifically, retractor device 41 and the Form beam of upper former 1
6 connections, due to being connected between the template on side relative on shaft of high pier by split bolt 8, then the upper strata of this side
Connected between template 1 and the upper former of offside 1 by split bolt 8, upper former 1 is stably fixed to shaft of high pier
On, so as to provide brace foundation for the lifting of external frame 3, then remove and crank arm between 5 and the Form beam 6 of upper former 1
Bolt or latch, 5 shiftings outside of cranking arm are operated, 5 will be cranked arm to the movement of the direction of external frame 3, high Dun Dun is fixed on upper former 1
It is to support with it, then is progressively lifted up by the drive external frame 3 of lowering or hoisting gear 42 and 5 entirety of cranking arm, is advised until lifted and arrived
Positioning is put；After completing lifting, operation is cranked arm and moved in 5, will be cranked arm and 5 be moved to template direction, by cranking arm 5 by upper former 1
Connected with external frame 3, system restPoses；Repeat aforesaid operations, you can complete lower template 2 and external frame
3 alternating lifting, realizes and recycles, until high pier pours completion；Its knockout course lightweight, the nothing during template is turned over and risen
Tower crane is needed, realizes that overmolded climbing frame crosses process automation, and bolster can be recycled, and save construction material, its is simple to operate, side
Just quick, cost is lower, saves the time, is effectively improved overmolded efficiency.
The lowering or hoisting gear 42 can use hoist engine, electric block, and lower template 2 or external frame 3 are entered so as to realize
Row lifting, in order to simple to operate, raising overmolded efficiency, it is preferred that in the present invention, the lowering or hoisting gear 42 includes upper leading truck
401st, middle leading truck 402, lower leading truck 403, support bar 404, diagonal brace 405, lift cylinders 409, on described leading truck 401, in
Be respectively arranged with locking cylinder 406, middle locking cylinder 407, lower locking cylinder 408 on leading truck 402, lower leading truck 403, it is described on lead
It is slidably connected to frame 401, middle leading truck 402, lower leading truck 403 with vertical guide 7, makes its vertically guide rail about 7
Slide, the lift cylinders 409 are arranged between lower leading truck 403 and middle leading truck 402, and one end of the support bar 404 is with
Leading truck 403 is connected, and the other end is connected with upper leading truck 401, and one end of the diagonal brace 405 is connected with upper leading truck 401, another
End is detachably connected with template, and the retractor device 41 is connected with upper leading truck 401 and lower leading truck 402 respectively；Led on described
There is guide effect to frame 404, middle leading truck 402 and lower leading truck 403, and be slidably connected with vertical guide 7, pass through
Guide effect, make lower template 2 and the in the vertical direction of external frame 3 it is upward lifting operation it is more quick, each locking
Cylinder is mainly used in lower template 2 or the lifting process of external frame 3, the fixation to lower template 2 or the position of external frame 3,
Set by upper locking cylinder 406, middle locking cylinder 407 and lower locking cylinder 408, lower template 2 can be made to rest in vertical guide 7
Any position, the lift cylinders 409 are mainly used in, to the lifting in lower template 2 or the vertical direction of external frame 3, passing through liter
The telescopic action of piston rod in cylinder 409 is dropped, is easy to vertical lifting of the lower template 2 vertically on the vertical direction of guide rail 7, also allows for
External frame 3 and crank arm 5 overall lifting；The support bar 404 is connected between leading truck 401 and lower leading truck 403, will
Upper leading truck 401 connects 403 with lower leading truck and is connected as overall structure, improves vertical connective stability, strengthens overmolded lifting process
Reliability, diagonal brace 405 is also associated with upper leading truck 401, described one end of diagonal brace 405 is connected with upper leading truck 401, another
End is detachably connected with template, and the template includes upper former 1 and lower template 2, then the diagonal brace 405 both can be with upper strata
Template 1 is detachably connected, and can also be detachably connected with lower template 2, and described be detachably connected optional be connected with or inserted
Pin connection, by the connection of diagonal brace 405, overmolded climbing scaffold system 4 is set to form two triangular structures, triangle has strong stability
Property, by the setting of diagonal brace 405, the resistance to overturning of overmolded climbing scaffold system 4 is effectively strengthened, is lower template 2 or outside
The lifting of framework 3 provides support and ensured, securely and reliably；By each leading truck, locking cylinder, lift cylinders 409, support bar 404 and
Cooperation between diagonal brace 405, realize that overmolded climbing frame crosses process automation；Using the lowering or hoisting gear 42, it is with hydraulic system and automatically controlled
System compounding practice, hydraulic system are that each locking cylinder and lift cylinders 409 provide enough operation powers, and electric-control system includes respectively
Kind of detecting element and PLC programmings, by electric-control system, can a key realize that the continuous steps of template and external frame climb, grasp
Make simple, convenience and high-efficiency.
In original state, upper former 1 and lower floor that upper former 1 passes through split bolt 8 and offside with lower template 2
Template 2 connects, and the voussoir in upper, middle and lower locking cylinder stretches out, and is locked in vertical guide 7, makes upper, middle and lower locking cylinder with vertically leading
Rail 7 is fixed；When carrying out the lifting of lower template 2, concrete operation step is as follows：
A, the connection between diagonal brace 405 and the Form beam 6 of lower template 2 is removed, naturally droops diagonal brace 405；
B, the split bolt 8 being connected between this side lower template 2 and offside lower template 2 is removed；
C, by operating retractor device 41 so that retractor device 41 shrinks, so as to drive lower template 2 to depart from lower floor's coagulation
Soil so that lower template 2 is located in template lifting section 9；
D, control upper locking cylinder 406 to be retracted with voussoir in middle locking cylinder 407, enable locking cylinder 406 and middle locking cylinder 407
It is enough to depart between vertical guide 7, prevent that locking cylinder 406, middle locking cylinder 407 and vertical guide 7 are locked, be easy to upper leading truck
401 with the vertically slip on the vertical direction of guide rail 7 of middle leading truck 402；
E, piston rod in lift cylinders 409 is controlled to stretch out again, by the stretching of piston rod, leading truck 401 is led with promotion
To the vertically upward sliding of guide rail 7 of frame 402, so as to drive the vertical lifting of lower template 2, upper middle locking cylinder also rises therewith,
Now, lower template 2 rises once；
F, after lower template 2 rises once, then voussoir stretches out in locking cylinder 407 in controlling, voussoir in lower locking cylinder 408
Retract, middle locking cylinder 407 is fixed with vertical guide 7, lower locking cylinder 408 departs from vertical guide 7；
G, control piston rod in lift cylinders 409 to retract again, by the retraction of piston rod, drive lower leading truck 403 vertically
The upward sliding of guide rail 7, lower locking cylinder 408 rise therewith, until lift cylinders 409 recover priming stroke, provide and stretch for action next time
Contracting basis；
H, after the piston rod of lift cylinders 409 is retracted, then control voussoir in lower locking cylinder 408 to stretch out, make itself and vertical guide 7
It is fixed；
I, D-H actions are repeated；
After the completion of each locking cylinder acts with lift cylinders 409, lower template 2 can then rise to the top position of upper former 1
Place；Now, then by voussoir is stretched out in upper locking cylinder so that upper, middle and lower locking cylinder is fixed with vertical guide 7, then is operated and stretched
Compression apparatus 41, retractor device 41 is stretched out, installed position will be moved on to by retractor device 41 in lower template 2, complete lower floor
The installation of template 2.
After lower template 2 completes lifting and installation, start to lift external frame 3, first by overmolded climbing scaffold system 4
The vertically downhill race of guide rail 7 to the opening position of upper former 1, its concrete operations are：
J, the connection between the lower template 1 after retractor device 41 and lifting is removed；
K, retractor device 41 is operated, retractor device 41 is shunk, retractor device 41 is respectively positioned on template with lowering or hoisting gear 42
Lifted in section 9；
L, lowering or hoisting gear 42 is operated：First voussoir in upper locking cylinder 406 and lower locking cylinder 408 is retracted, makes locking cylinder
406th, depart between lower locking cylinder 408 and vertical guide 7, be easy to upper leading truck 401 and lower leading truck 402 vertically guide rail 7 to
Under slip；
M, the stretching of piston rod in lift cylinders 409 is controlled again, is stretched out by piston rod, and leading truck 401 is led with in drive
To frame 402, vertically the slide downward of guide rail 7, upper locking cylinder 406 also decline therewith with lower locking cylinder 408；Now, overmolded climbing frame system
Vertically guide rail 7 declines once system 4；
N, voussoir in lower locking cylinder 408 is controlled to stretch out again, voussoir is retracted in middle locking cylinder 407, makes lower locking cylinder 408 with erecting
It is fixed between direction guiding rail 7, depart between middle locking cylinder 407 and vertical guide 7；
O, control piston rod in lift cylinders 409 to retract again, retracted by piston rod, leading truck 402 is vertically led in drive
The slide downward of rail 7 so that middle locking cylinder 407 also declines therewith, and lift cylinders 409 recover priming stroke, provides and stretches for action next time
Contracting basis；
P, after the piston rod of lift cylinders 409 is retracted, then the voussoir of locking cylinder 407 stretches out in controlling, make middle locking cylinder 407 with it is perpendicular
Direction guiding rail 7 is fixed；
Q, L-P actions are repeated；
After the completion of each locking cylinder acts with lift cylinders 409, under lowering or hoisting gear 42 and the overall vertically guide rail 7 of retractor device 41
The opening position of upper former 1 is slided to, then the voussoir of upper locking cylinder 406 is stretched out so that upper, middle and lower locking cylinder is solid with vertical guide 7
It is fixed, retractor device 41 is operated, stretches out retractor device 41, then retractor device 41 and diagonal brace 405 are connected to the mould of upper former 1
On plate-girder 6, upper former 1 is fixed, and led between the upper former 1 and the upper former 1 of offside due to this side of shaft of high pier
Cross split bolt 8 to connect, upper former 1 can be stably fixed on shaft of high pier, can be provided for the lifting of lowering or hoisting gear 4241
Stable support；The connection between 5 and upper former 1 of cranking arm again is removed, and operation is cranked arm and moved outside 5, will crank arm 5 to external frame
The direction of frame 3 is moved, and is then brace foundation with upper former 1, is controlled lowering or hoisting gear 42 by drive system, is made lowering or hoisting gear 42
Drive external frame 3 and 5 entirety of cranking arm are lifted up, its concrete operation step is：
R, first voussoir in upper locking cylinder 406 and lower locking cylinder 408 is retracted, makes upper and lower locking cylinder de- with vertical guide 7
From；
S, piston rod in lift cylinders 409 is controlled to stretch out again；Because middle locking cylinder and vertical guide 7 are fixed, with lift cylinders
The gradual elongation of piston rod in 409, be support with upper former 1, external frame 3 and crank arm 5 it is overall under its impetus by
Step is lifted straight up, and the upper leading truck 401 is played in external frame 3 and 5 lifting process of cranking arm with lower leading truck 403 and led
To effect, external frame 3 ensure that and the up rightness for 5 liftings of cranking arm, after piston rod stretches out in lift cylinders 409, external frame
Frame 3 and 5 entirety of cranking arm are lifted up once；
T, complete after once being lifted, then voussoir in lower locking cylinder 408 is stretched out, voussoir is retracted in middle locking cylinder 407, under making
Locking cylinder 408 is fixed with vertical guide 7, and middle locking cylinder 407 departs from vertical guide 7；
U, again by the piston rod of lift cylinders 409 retract, retracted by piston rod, in drive leading truck 407 vertically guide rail 7 to
Lower slider so that middle locking cylinder 407 also declines therewith, until the recovery priming stroke of lift cylinders 409, is provided for action next time flexible
Basis；
V, after piston rod is retracted in lift cylinders 409, then voussoir stretches out in locking cylinder 407 in controlling, and makes itself and vertical guide 7
It is fixed；
W, R-V actions are repeated；
After the completion of each locking cylinder acts with lift cylinders 409, external frame 3 and 5 entirety of cranking arm are lifted up to assigned position,
The voussoir in upper locking cylinder 406 is stretched out again so that upper, middle and lower locking cylinder is fixed with vertical guide 7, and then operation is cranked arm in 5
Move, will crank arm and 5 be moved to template direction, until installation site, then 5 external frame 3 is connected with template by cranking arm, system
RestPose.
Complete lower template 2 and after the lifting of external frame 3, now, the lower template 2 after lifting is lifted for next template
Upper former 1 during work, and upper former 1 then turns into the lower template 2 when next template lifts work, repeats above-mentioned behaviour
Make, you can realize the alternating lifting of template and external frame 3, recycle, until pouring completion, its is simple to operate, and safety is high
Effect, the automation of overmolded climbing frame is realized, is effectively improved overmolded efficiency.
For the ease of making and transporting, in the present invention, upper former described in step (1) and lower template are by multiple
Modular unit is formed, and is bolted between the adjacent modular unit as entirety, in the upper former and lower template
The back side is provided with reinforcement back cord；Template entirety, the needs that can be poured according to high pier, choosing are connected and composed by multiple template unit
Select an appropriate number of template to be installed, be advantageous to the quick assembling of job site template, be separated into multiple template unit,
Transport is facilitated, is set by the back side and strengthens back cord 101, template overall stability and intensity is effectively strengthened, makes template list
Connection between member is more firm.
Installed for the ease of the connection of template, in the present invention, the modular unit includes plane moulding board unit 102, corner
Modular unit 103, along bridge to upper former 1 and suitable bridge to lower template 2 by two corner formwork units 103 and plane template
Unit 102 is formed, and the plane moulding board unit 102 is bolted, direction across bridge between corner formwork unit 103
Upper former 1 and direction across bridge lower template 2 are formed by two corner formwork units 103, between adjacent corners modular unit 103
It is bolted；The direction across bridge referred to perpendicular to the direction of bridge axis, and the suitable bridge is to referring to pointing to bridge
The direction of axis, the both ends of plane moulding board unit 102, direction across bridge template are located at along bridge corner formwork unit 103 into template
Formed by two corner formwork units 103, when carrying out model sheetinstallat, corner formwork unit 103 from bridge to template and horizontal stroke along
Bridge is attached between the corner formwork unit 103 of template, and its attended operation is simple, convenient and swift, contributes to the steady of connection
It is qualitative, securely and reliably, important support guarantee is provided for follow-up concreting.
5 moved horizontally for the ease of cranking arm, in the present invention, also include step in step (2)：In the vertical guide
On be provided with the push-pull device at fixed of cranking arm moved horizontally that makes to crank arm；The push-pull device at fixed of cranking arm uses screw-drive mechanism, the spiral shell
Rotation transmission mechanism includes crank arm supporting leg, screw mandrel, and the supporting leg of cranking arm is connected in vertical guide 7, and described screw mandrel one end is connected to
Crank arm on supporting leg, the other end, which is connected to, cranks arm on 5, when crank arm 5 move horizontally when, manually rotated using crank or spanner
Screw mandrel, you can realization, which is cranked arm, 5 to be moved horizontally, simple in construction, operation facility.
Because template quality is heavier, in order to improve the stability of structure, strengthens weight capacity, make template and external frame 3
Lifting it is more reliable and more stable, the present invention in, the overmolded climbing scaffold system described in step (2) in each side of shaft of high pier at least
It is provided with two；When carrying out template and frame lifter, the overmolded climbing scaffold system 4 on pier shaft acts simultaneously, each overmolded
Climbing scaffold system 4 can play a role to template and the lifting of external frame 3, make lifting more safe and reliable, stability and high efficiency, work effect
Rate is higher.
For the ease of the fixation to lowering or hoisting gear 42, in of the invention, step is also included in step (2)：Vertically led described
Locating piece is set on rail；The locating piece 10 is multiple, and is uniformly welded in vertical guide 7, is set by locating piece 10,
In lower template 2 and the lifting process of external frame 3 is carried out, it is necessary to when fixing lowering or hoisting gear 42, only need that guiding will be arranged on
Voussoir is stretched out in locking cylinder on frame, and cooperation is tight contacted between with locating piece 10, you can realizes lowering or hoisting gear 42 and vertical guide 7
It is fixed, it is simple and reliable.
In order that it is easy to operate when to template turn over liter, in the present invention, step is also included in step (2)：Institute
State and the operating platform bearing rod for setting up operating platform is provided with vertical guide, and set up operation on operating platform bearing rod and put down
Platform；Operating platform 11 is set up by operating platform bearing rod 12, in construction, workmen can be carried out on operating platform 11
Corresponding operation, simple operation, securely and reliably, ensure that the personal safety of workmen.
In order that drive system still normal work in the event of a power failure, ensure the reliability of construction, walked in the present invention
Suddenly step is also included in (two)：Accumulator and hand oil pump are installed at the hydraulic system；The drive system includes liquid
Pressure system, electric-control system, specifically, the accumulator and hand oil pump are arranged on hydraulic system opening position, by accumulator, make
Hydraulic system remains to keep system pressure in the event of a power failure, and manually oil pump, after system powers off, passes through hydraulic pressure
Oil pump, realizes manually operated, ensures the normal work of system.
For the ease of the synchronization action of lift cylinders 409 that control is unilateral, in of the invention, it is provided with the lift cylinders 409
Displacement transducer and hydraulic lock；By displacement transducer, the synchronization action of lift cylinders 409 on the single side of shaft of high pier can be made,
Within synchronism deviation control ± 5mm, the hydraulic lock is specifically located at the hydraulic fluid port opening position of lift cylinders 409, can be square by hydraulic lock
Just it is reliably that lift cylinders 409 rest on any telescopic location, makes construction more convenient and reliable.
High pier provided by the present invention realizes the de- of template from liquid press to turn over molds construction technology of climbing by retractor device 41
Mould, make knockout course lightweight, the lifting of template and external frame is realized by lowering or hoisting gear 42, the present invention institute high pier is certainly
Climb liquid press to turn over molds construction technology, without tower crane during template is turned over and risen, realize the automation of overmolded climbing frame, until pour to
Pier top, and bolster can be recycled, and save construction material, it is convenient and swift, improve overmolded efficiency.
Claims (10)
- The liquid press to turn over molds construction technology 1. high pier climbs certainly, it is characterised in that comprise the following steps：(1), model sheetinstallat；Template includes upper former (1) and lower template (2), and first one layer of installation surrounds Bridge High-pier and pours chamber below Bridge High-pier Lower template (2), then lower template (2) top install one layer of upper former (1) for surrounding Bridge High-pier and pouring chamber；It is connected between template on shaft of high pier on relative side by split bolt, in the upper former (1) and lower floor The back side of template (2) is provided with Form beam (6)；(2) external frame (3), overmolded climbing scaffold system (4), are installed；The height of external frame (3) is arranged to suitable with the height of three section templates, the external frame (3) includes vertical guide (7) vertical guide (7), is arranged on to the outside of template, and the top of upper former (1) is extended to by lower template (2), in institute State and the one end of (5) of cranking arm is connected with vertical guide (7), the other end for cranking arm (5) is detachably connected on upper former (1) On；It is described crank arm (5), vertical guide (7) and template are surrounded by the template passed through for template and lift section (9)；In overmolded climbing frame The drive system of connection driving overmolded climbing scaffold system (4) work in system (4)；Overmolded climbing scaffold system (4) includes retractor device (41), lowering or hoisting gear (42), and lowering or hoisting gear (42) is slidably connected at vertically On the vertical direction of guide rail (7)；Retractor device (41) is connected to the upper and lower ends of lowering or hoisting gear (42), and retractor device (41) it is detachably connected by Form beam (6) with upper former (1) and lower template (2)；(3), casting concrete；The concrete of lower template (2) is first poured, first layer concreting is completed, when first segment concrete is not less than 10MPa When, the concreting of upper former (1) is carried out, 150~200mm under concreting to upper former (1) top surface, completes the Two layer concretes pour；(4), the demoulding, lifting and the installation of lower template (2), comprises the following steps：A, the split bolt being connected on shaft of high pier between this side lower template (2) and offside lower template (2) is removed；B, the connection between diagonal brace (405) and the Form beam (6) of lower template (2) is removed, naturally droops diagonal brace (405).C, retractor device (41) is operated so that retractor device (41) shrinks, so as to drive lower template (2) to depart from lower floor's coagulation Soil, the lower template made (2) are located in template lifting section (9)；D, lowering or hoisting gear (42) is controlled, makes lowering or hoisting gear (42) vertically guide rail (7) upward sliding, so as to drive lower template (2) vertical lifting, until being promoted to the top of upper former (1)；E, retractor device (41) is operated again so that retractor device (41) is extended, and lower template (2) is moved into installation site Place；Then third layer concrete is poured；(5), the lifting of external frame (3), comprises the following steps：F, by operating drive system, lowering or hoisting gear (42) and overall vertically guide rail (7) the downward downhill race of retractor device (41) are made To upper former (1) opening position；G, retractor device (41) is operated, stretches out retractor device (41), then one end of retractor device (41) is connected into upper strata mould On the Form beam (6) of plate (1), make upper former (1) fixed；H, the connection between upper former (1) of cranking arm again (5) is removed, operation crank arm (5) move outside；I, it is support with upper former (1), lowering or hoisting gear (42) is controlled by drive system, drives lowering or hoisting gear (42) outside Framework (3) and (5) entirety of cranking arm step up upwards, until being promoted to assigned position；J, crank arm (5) are operated again, make (5) interior shifting of cranking arm, external frame (3) is connected by (5) with template by cranking arm.
- The liquid press to turn over molds construction technology 2. high pier according to claim 1 climbs certainly, it is characterised in that liter described in step (2) Falling unit (42) includes upper leading truck (401), middle leading truck (402), lower leading truck (403), support bar (404), diagonal brace (405), lift cylinders (409), leading truck (401), middle leading truck (402), lower leading truck are respectively arranged with (403) on described Upper locking cylinder (406), middle locking cylinder (407), lower locking cylinder (408), the upper leading truck (401), middle leading truck (402), under Leading truck (403) is slidably connected with vertical guide (7), and making it, vertically guide rail (7) slides up and down, the lift cylinders (409) it is arranged between lower leading truck (403) and middle leading truck (402), one end and the lower leading truck of the support bar (404) (403) it is connected, the other end is connected with upper leading truck (401), and one end of the diagonal brace (405) is connected with upper leading truck (401), separately One end is detachably connected with template, and the retractor device (41) is connected with upper leading truck (401) and lower leading truck (403) respectively.
- The liquid press to turn over molds construction technology 3. high pier according to claim 1 climbs certainly, it is characterised in that described in step (1) Upper former (1) and lower template (2) are formed by multiple template unit, are bolted between the adjacent modular unit For entirety, it is provided with the upper former (1) and lower template (2) back side and strengthens back cord (101).
- The liquid press to turn over molds construction technology 4. high pier according to claim 3 climbs certainly, it is characterised in that the modular unit bag Plane moulding board unit (102), corner formwork unit (103) are included, it is equal to lower template (2) to upper former (1) and along bridge along bridge It is made up of two corner formwork units (103) and plane moulding board unit (102), the plane moulding board unit (102) is located at corner Between modular unit (103), and it is bolted, direction across bridge upper former (1) and direction across bridge lower template (2) are by two Corner formwork unit (103) is formed, and is bolted between the corner formwork unit (103).
- The liquid press to turn over molds construction technology 5. high pier according to claim 1 climbs certainly, it is characterised in that also wrapped in step (2) Include step：Being provided with the vertical guide (7) makes (5) push-pull device at fixed of cranking arm that (5) move horizontally of cranking arm.
- The liquid press to turn over molds construction technology 6. high pier according to claim 1 climbs certainly, it is characterised in that described in step (2) Overmolded climbing scaffold system (4) in each side of shaft of high pier at least provided with two.
- The liquid press to turn over molds construction technology 7. high pier according to claim 1 climbs certainly, it is characterised in that also wrapped in step (2) Include step：Locating piece (10) is set in the vertical guide (7).
- The liquid press to turn over molds construction technology 8. high pier according to claim 1 climbs certainly, it is characterised in that also wrapped in step (2) Include step：The operating platform bearing rod (12) for setting up operating platform (11) is provided with the vertical guide (7), and is being operated Operating platform (11) is set up on platform bearing rod (12).
- The liquid press to turn over molds construction technology 9. high pier according to claim 1 climbs certainly, it is characterised in that also wrapped in step (2) Include step：Accumulator and hand oil pump are installed at the hydraulic system.
- The liquid press to turn over molds construction technology 10. high pier according to claim 2 climbs certainly, it is characterised in that in the lift cylinders (409) displacement transducer and hydraulic lock are installed on.
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| CN201711084374.6A CN107829370B (en) | 2017-11-07 | 2017-11-07 | High pier self-climbing hydraulic rollover construction process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711084374.6A CN107829370B (en) | 2017-11-07 | 2017-11-07 | High pier self-climbing hydraulic rollover construction process |
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| CN107829370B CN107829370B (en) | 2019-02-15 |
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| CN108532940A (en) * | 2018-04-19 | 2018-09-14 | 中铁七局集团第四工程有限公司 | High pier is without holder over-form construction method |
| CN108643044A (en) * | 2018-03-30 | 2018-10-12 | 中国十九冶集团有限公司 | Method for pushing bridge high pier climbing formwork crank arm beam |
| CN109826104A (en) * | 2019-03-19 | 2019-05-31 | 中国十七冶集团有限公司 | A kind of concrete pouring construction method of pier stud overmolded seam crossing |
| CN111622110A (en) * | 2020-04-24 | 2020-09-04 | 中交第二航务工程局有限公司 | Intelligent installation and construction method for prefabricated bent cap based on three-dimensional measurement lofting technology |
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| CN111622110A (en) * | 2020-04-24 | 2020-09-04 | 中交第二航务工程局有限公司 | Intelligent installation and construction method for prefabricated bent cap based on three-dimensional measurement lofting technology |
| CN111622110B (en) * | 2020-04-24 | 2021-10-29 | 中交第二航务工程局有限公司 | Intelligent installation and construction method for prefabricated bent cap based on three-dimensional measurement lofting technology |
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