CN107988910A - A kind of upstroke movable framework template overall pulling down method - Google Patents
A kind of upstroke movable framework template overall pulling down method Download PDFInfo
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- CN107988910A CN107988910A CN201711286264.8A CN201711286264A CN107988910A CN 107988910 A CN107988910 A CN 107988910A CN 201711286264 A CN201711286264 A CN 201711286264A CN 107988910 A CN107988910 A CN 107988910A
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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
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Abstract
The invention discloses a kind of upstroke movable framework template overall pulling down method, comprise the following steps：Step 1: the dismounting of sunpender and the installation of erecting by overhang；Step 2: formwork-support is disconnected with outrigger；Step 3: template integrally falls.By the present invention in that replacing sunpender integrally to hang template with multiple erectings by overhang, steel strand wires are discharged paragraph by paragraph using erecting by overhang, and template is integrally gradually fallen, realizes that template is integrally landed；Template is dismantled on ground, avoid high-altitude from dismantling template, reduce the danger of form removal, improve the dismounting efficiency of template.
Description
Technical field
The invention belongs to technical field of bridge construction, more particularly to a kind of upstroke movable framework template overall pulling down side
Method.
Background technology
Upstroke movable framework system constructs and designs for high-speed railway full span duplicate bridge, is upstriker structure, can
The voluntarily main supporting leg of upside-down mounting.Upstroke movable framework is mainly characterized in that：The girder system of load-bearing is located above bridge floor, and outer modular system is hung
Hang in main bearing beam, girder system is supported on beam-ends or pier top by supporting leg.Outer modular system is laterally opened to keep away during via
Open bridge pier.Outer modular system is with the together vertical shift of girder system.Supporting leg can voluntarily upside-down mounting forward, upstroke movable framework takes net under bridge
It is empty small, there is very strong adaptability to short bridge pier, and construct it is first across with end across and span continuous beam construction be more convenient.
In the prior art, the form removable method of mobile formwork is mainly segmented template to be removed；It is existing
In method for dismounting, it is often necessary to the large scale equipments such as crane are used, but in the construction operation ring such as some mountain area locations and hills location
The large scale equipments such as the severe place in border, crane cannot be introduced into construction site, make the bed die of mobile formwork be difficult to remove；It is in addition, existing
The time length that some bed die method for dismounting are spent, and be to remove bolt by worker paragraph by paragraph to remove bed die, Gong Renpin
Security incident easily occurs for numerous dismounting bolt, jeopardizes worker's life security.Lacking one kind can limit from space enrironment, spend
Time few and safe form removable method.
The content of the invention
Moved in view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of upstriker
Dynamic model frame template overall pulling down method, is integrally hung template instead of sunpender by using multiple erectings by overhang, is filled using hanging
Release steel strand wires paragraph by paragraph are put, template is integrally gradually fallen, realizes that template is integrally landed；Template is set to be torn open on ground
Unload, avoid high-altitude from dismantling template, reduce the danger of form removal, improve the dismounting efficiency of template.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of upstroke movable framework template is overall
Method for dismounting, it is characterised in that：The upstroke movable framework is the mobile formwork bridge fabrication machine constructed to cast-in-situ concrete beam,
The upstroke movable framework includes two symmetrical girders being laid in same level, cast-in-situ concrete beam is carried out
Molding template and the mould plate supporting device being supported to template, two girders are symmetrically laid at left and right sides of template
Top；
The mould plate supporting device is hung on two girders by the suspender of two symmetrical layings, Mei Gesuo
Stating suspender includes multiple sunpenders being laid in from front to back below the same girder, below the same girder
Multiple sunpenders are laid on same vertical plane；
The mould plate supporting device includes multiple template supporting rack, length direction of multiple formwork-supports along template
It is uniformly distributed from front to back, the outside of each girder it is uniformly distributed from front to back have it is multiple to the formwork-support into
The outrigger of row hanging, the outrigger laid on two girders are laid in symmetrical, and each formwork-support passes through left and right
Two outriggers symmetrically laid are hung in two girders；
When carrying out overall pulling down to template, comprise the following steps：
Step 1: the dismounting of sunpender and the installation of erecting by overhang：All sunpenders in upstroke movable framework are removed, often
A sunpender is removed, an erecting by overhang is laid at the sunpender present position；
Each erecting by overhang includes the steel strand wires, the retaining mechanism for locking steel strand wires, fixation laid vertically
Lower template beam on girder, the upper bearing beam being laid in directly over lower template beam and branch are withstood between upper bearing beam and lower template beam
Jack, the retaining mechanism include the upper locking device being laid on bearing beam and the lower locking being laid on the lower template beam
Device, offers the upper threading hole passed through for steel strand wires, the cast-in-situ concrete beam on the upper bearing beam, lower template beam and girder
With the middle threading hole that is passed through for steel strand wires is both provided with template, the upper threading hole is coaxially laid with the middle threading hole, institute
The lower part for stating steel strand wires is fixed on the formwork-support；
The monoblock type Lift-on/Lift-off System that multiple erecting by overhang compositions lift the formwork-support and template；
Step 2: formwork-support is disconnected with outrigger：Each formwork-support is disconnected with outrigger, is made
The girder droping space formed below integrally to fall for template；
Step 3: template integrally falls：Fall several times to template from top to bottom,
Multiple erecting by overhang synchronization actions during the template of whereabouts, multiple erecting by overhang whereabouts templates are wrapped each time
Include following steps：
Step 301, open lower locking device：All lower locking devices in the monoblock type Lift-on/Lift-off System are opened；
Step 302, jack are shunk：All jack in the monoblock type Lift-on/Lift-off System are shunk at the same time, Duo Gesuo
The contraction height all same of jack is stated, while template is transferred downwards, the decentralization height and the contraction height phase of jack of template
Together；
Step 303, close lower locking device：All lower locking devices in the monoblock type Lift-on/Lift-off System are turned off；
Step 304, open upper locking device：All upper locking devices in the monoblock type Lift-on/Lift-off System are opened；
Step 305, jack elongation：All jack in the monoblock type Lift-on/Lift-off System are extended, it is multiple described
The elongation height all same of jack, and decentralization of the elongation height with template next time is highly identical；
Step 306, close upper locking device：All upper locking devices in the monoblock type Lift-on/Lift-off System are turned off；
Step 307, be repeated several times step 301 to step 306, until template decentralization is completed.
A kind of above-mentioned upstroke movable framework template overall pulling down method, it is characterised in that：It is each described in step 1
Formwork-support is formed by two symmetrical hanging external fins being laid in same level, and each hanging external fin is equal
By the hanging segment that is connected on outrigger and it is connected to the support segment that hanging segment lower end is supported template and forms；Step
After disconnecting each formwork-support and outrigger in two, then by hanging segment and segment is supported to disconnect, finally
Remove hanging segment.
A kind of above-mentioned upstroke movable framework template overall pulling down method, it is characterised in that：In step 1, the locking
Tight device includes being fixedly mounted on the upper flat anchor on bearing beam and the upper anchor clipper on upper flat anchor, the upper anchorage folder
Piece is clamped on steel strand wires, and the lower locking device includes flat anchor under being fixedly mounted on lower template beam and is installed on down on flat anchor
Lower anchor clipper, the lower anchor clipper is clamped on steel strand wires.
A kind of above-mentioned upstroke movable framework template overall pulling down method, it is characterised in that：It is each described in step 1
Retaining mechanism further includes the additional locking devices being laid in girder lower wall；The additional locking devices are filled with the upper locking
Put that structure is identical and parallel laying；The additional locking devices include the flat anchor of auxiliary being fixedly mounted on girder and installed in auxiliary
The auxiliary anchor clipper on flat anchor is helped, the auxiliary anchor clipper is clamped on steel strand wires；
In step 301, while opening lower locking device, all additional locking devices in the monoblock type Lift-on/Lift-off System
Open；In step 302, while closing lower locking device, all additional locking devices in the monoblock type Lift-on/Lift-off System close
Close.
A kind of above-mentioned upstroke movable framework template overall pulling down method, it is characterised in that：In step 1, same institute
The multiple upper bearing beams stated in hangar system are laid on the same line, front and rear adjacent two in the same hangar system
A upper bearing beam is fixedly connected.
A kind of above-mentioned upstroke movable framework template overall pulling down method, it is characterised in that：In step 1, each institute
State the lower part of steel strand wires to be connected by a fixed locking device with the bottom of the formwork-support, the fixed locking device
Including being fixedly mounted on the flat anchor of fixation of the formwork-support bottom and the fixation anchor clipper on the flat anchor of fixation, institute
Fixed anchor clipper is stated to be clamped on steel strand wires.
A kind of above-mentioned upstroke movable framework template overall pulling down method, it is characterised in that：On each steel strand wires
It is mounted on preventing the anti-drop device that fixed anchor clipper comes off.
A kind of above-mentioned upstroke movable framework template overall pulling down method, it is characterised in that：Described in being removed in step 1
During sunpender, removed several times from front to back along the length direction of girder, remove two sunpenders every time, remove every time
Two sunpenders are symmetrically laid positioned at two girders lower sections and two sunpenders respectively.
A kind of above-mentioned upstroke movable framework template overall pulling down method, it is characterised in that：Remove every time described in two
During sunpender, to remove two sunpenders one by one after one first one.
The present invention has the following advantages compared with prior art：
1st, by the present invention in that replacing sunpender integrally to hang template with multiple erectings by overhang, released paragraph by paragraph using erecting by overhang
Put steel strand wires, by template integrally gradually fall, realize template and integrally land, avoid worker dismantle template when working at height, drop
The low danger of form removal, improves the dismounting efficiency of template.
2nd, the present invention makes what is distributed on every steel strand wires by will be laid in each erecting by overhang at sunpender present position
Template weight is reasonable, and structure is reliable and stable, and using effect is good.
3rd, jack is laid in the erecting by overhang that the present invention uses, staff is utilized the retraction stroke of jack
Steel strand wires are discharged paragraph by paragraph, template is integrally landed process and stablizes safety.
4th, lower template beam is laid in the lower section of jack in the erecting by overhang that the present invention uses, prevents very heavy top/bottom part to girder
The pressure of application produces damage to girder.
5th, bearing beam and upper locking device are laid in the erecting by overhang that the present invention uses in the top of jack, in jack
Lower template beam and lower locking device are laid in lower section, make jack when shrinking, steel strand wires positioned at hanging external fin bottom and upper bearing beam it
Between declining with the contraction of jack of can stablizing of segment；Make when jack is in elongation, can be by steel strand wires positioned at upper
Part on the outside of bearing beam is discharged in one section of entrance between bearing beam and lower template beam, when making jack one stroke of elongation, steel strand wires
Discharge a jack stroke；Realize release steel strand wires paragraph by paragraph.
6th, cloth sets locking device and upper locking device in the erecting by overhang that the present invention uses, and ensure that jack is extending
During with shrinking, steel strand wires hang stablizing for template.
In conclusion by the present invention in that replace sunpender integrally to hang template with multiple erectings by overhang, hanging dress is utilized
Release steel strand wires paragraph by paragraph are put, template is integrally gradually fallen, realizes that template is integrally landed；Template is set to be torn open on ground
Unload, avoid high-altitude from dismantling template, reduce the danger of form removal, improve the dismounting efficiency of template.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is the flow chart of method for dismounting of the present invention
Fig. 2 is the structure diagram of erecting by overhang in the present invention.
Fig. 3 is the A enlarged drawings of Fig. 1.
Fig. 4 is enlarged drawing at the D of Fig. 2.
Fig. 5 is enlarged drawing at the E of Fig. 2.
Fig. 6 is the B enlarged drawings of Fig. 1.
Fig. 7 is enlarged drawing at the C of Fig. 1.
Fig. 8 is enlarged drawing at the F of Fig. 6.
Fig. 9 is layout position illustration of the upper threading hole on girder.
Figure 10 is enlarged drawing at the G of Fig. 8.
Figure 11 is layout position illustration of the erecting by overhang in upstroke movable framework.
Figure 12 is the structure diagram after the hanging segment of upstroke movable framework is removed.
Description of reference numerals:
1-erecting by overhang；2-steel strand wires；3-outrigger；
4-girder；5-hanging segment；6-support segment；
7-jack；The flat anchor of 8-auxiliary；9-auxiliary anchor clipper；
10-go up bearing beam；11-go up flat anchor；12-go up anchor clipper；
13-under flat anchor；14-lower anchor clipper；15-fix anchor clipper；
16-fix flat anchor；17-underpass hole；18-go up threading hole；
19-anti-drop device；20-lower template beam；21-cast-in-situ concrete beam；
22-template.
Embodiment
A kind of upstroke movable framework template overall pulling down method, as shown in figs. 2 and 11, which is
The mobile formwork bridge fabrication machine constructed to cast-in-situ concrete beam 21, the upstroke movable framework include two symmetrical cloth
The girder 4 that is located in same level, carry out molding template 22 to cast-in-situ concrete beam 21 and template 22 be supported
Mould plate supporting device, two girders 4 are symmetrically laid in the top of the left and right sides of template 22；
The mould plate supporting device is hung on two girders 4 by the suspender of two symmetrical layings；
In the present embodiment, each suspender is laid in the same girder 4 from front to back including 16
The sunpender of lower section, 16 sunpenders of the same lower section of girder 4 are laid on same vertical plane；
In the present embodiment, the mould plate supporting device includes eight formwork-supports, and eight formwork-supports are along mould
The length direction of plate 22 is uniformly distributed from front to back, the outside of each girder 4 it is uniformly distributed from front to back have eight it is right
The outrigger 3 that the formwork-support is hung, the outrigger 3 laid on two girders 4 are laid in symmetrical, each mould
Plate bracing frame is hung in two girders 4 by the outrigger 3 symmetrically laid of left and right two；
In the present embodiment, each formwork-support is by two symmetrical hangings being laid in same level
External fin forms, and each hanging external fin is by the hanging segment 5 being connected on outrigger 3 and is connected to hanging 5 lower end pair of segment
The support segment 6 that template 22 is supported forms；Two are hung between each support segment 6 and girder 4 above it
The sunpender；The sunpender is fining twisted steel.
Such as Fig. 1,22 overall pulling down of template comprises the following steps：
Step 1: the dismounting of sunpender and the installation of erecting by overhang 1：All sunpenders in upstroke movable framework are torn open one by one
Remove, often remove a sunpender, an erecting by overhang 1 is laid at the sunpender present position；
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 9, steel strand wires 2 that each erecting by overhang 1 includes laying vertically, be used for
Lock the retaining mechanism, the lower template beam 20 being fixedly mounted on girder 4, the upper pad being laid in directly over lower template beam 20 of steel strand wires 2
Beam 10 and branch withstand on jack 7 between bearing beam 10 and lower template beam 20, as shown in Fig. 2, in the present embodiment, described in each
The quantity of jack 7 in erecting by overhang 1 is two, and two jack 7 in the same erecting by overhang 1 are symmetrically laid, and
Two jack 7 prop up respectively to be withstood between the left and right sides of bearing beam 10 and the left and right sides of lower template beam 20；
The retaining mechanism includes the upper locking device being laid on bearing beam 10 and is laid on the lower template beam 20
Lower locking device, offers the upper threading hole 18 passed through for steel strand wires 2, institute on the upper bearing beam 10, lower template beam 20 and girder 4
State the middle threading hole for being both provided with cast-in-situ concrete beam 21 and template 22 and being passed through for steel strand wires 2, the upper threading hole 18 and institute
State middle threading hole coaxially to lay, the lower part of the steel strand wires 2 is fixed on the formwork-support；In the present embodiment, in described
Threading hole is the through hole passed through for the sunpender；
Multiple erectings by overhang 1 form the monoblock type lifted to the formwork-support and template 22 and lift
System；
As shown in Figure 10, in the present embodiment, the quantity for the erecting by overhang 1 laid on every girder 4 is 16, Mei Gesuo
State support segment 6 and correspond to two erectings by overhang 1；Both two original sunpenders were replaced to support one using two erectings by overhang 1
Hung segment 6；The lower part of the steel strand wires 2 is with being original sunpender and the support at the link position of the support segment 6
At the link position of segment 6；
Step 2: formwork-support is disconnected with outrigger：Each formwork-support is disconnected with outrigger 3,
Make the droping space formed below integrally to fall for template 22 of girder 4；
Step 3: template integrally falls：Fall several times to template 22 from top to bottom,
Multiple 1 synchronization actions of erecting by overhang during the template 22 of whereabouts each time, multiple 1 whereabouts templates of erecting by overhang
22 comprise the following steps：
Step 301, open lower locking device：All lower locking devices in the monoblock type Lift-on/Lift-off System are opened；
Step 302, jack are shunk：All jack 7 in the monoblock type Lift-on/Lift-off System are shunk at the same time, Duo Gesuo
The contraction height all same of jack 7 is stated, while template 22 is transferred downwards, the decentralization height of template 22 and the contraction of jack 7
It is highly identical；
Step 303, close lower locking device：All lower locking devices in the monoblock type Lift-on/Lift-off System are turned off；
Step 304, open upper locking device:All upper locking devices in the monoblock type Lift-on/Lift-off System are opened；
Step 305, jack elongation：All jack 7 in the monoblock type Lift-on/Lift-off System are extended, it is multiple described
The elongation height all same of jack 7, and decentralization of the elongation height with template 22 next time is highly identical；
Step 306, close upper locking device：All upper locking devices in the monoblock type Lift-on/Lift-off System are turned off；
Step 307, be repeated several times step 301 to step 306, until the decentralization of template 22 is completed.
As shown in figure 12, in the present embodiment, each formwork-support is by two symmetrical layings in step 1
Hanging external fin composition in same level, each hanging external fin is by the hanging segment 5 being connected on outrigger 3 and even
Hanging 5 lower end of segment is connected on to form the support segment 6 that template 22 is supported；Will each formwork-support in step 2
After being disconnected with outrigger 3, then by hanging segment 5 and support segment 6 to disconnect, finally remove hanging segment 5.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, in step 1, the upper locking device includes being fixedly mounted
Upper flat anchor 11 on upper bearing beam 10 and the upper anchor clipper 12 on upper flat anchor 11, the upper anchor clipper 12 are clamped in
On steel strand wires 2, the lower locking device includes flat anchor 13 under being fixedly mounted on lower template beam 20 and is installed on down on flat anchor 13
Lower anchor clipper 14, the lower anchor clipper 14 is clamped on steel strand wires 2；, will be upper when opening upper locking device in step 3
Anchor clipper 12 is removed from upper flat anchor 11, then upper anchor clipper 12 is removed from steel strand wires 2, when closing upper locking device,
Upper anchor clipper 12 is clamped on steel strand wires 2, then upper anchor clipper 12 is installed in upper flat anchor 11, makes anchor clipper 12
Clamp steel strand wires 2；When opening lower locking device, lower anchor clipper 14 is removed under on flat anchor 13, then by lower anchor clipper 14
Remove from steel strand wires 2, when closing lower locking device, lower anchor clipper 14 is clamped on steel strand wires 2, then by lower anchor clipper
14 are installed on down in flat anchor 13, lower anchor clipper 14 is clamped steel strand wires 2.
As shown in Figure 2 and Figure 6, in the present embodiment, in step 1, each retaining mechanism, which further includes, is laid in girder 4
Additional locking devices in lower wall；The additional locking devices are identical with the upper locking device structure and parallel laying；Institute
Stating additional locking devices includes being fixedly mounted on the flat anchor 8 of auxiliary on girder 4 and is pressed from both sides installed in the auxiliary anchorage aided on flat anchor 8
Piece 9, the auxiliary anchor clipper 9 are clamped on steel strand wires 2；
In step 301, while opening lower locking device, all additional locking devices in the monoblock type Lift-on/Lift-off System
Open；In step 302, while closing lower locking device, all additional locking devices in the monoblock type Lift-on/Lift-off System close
Close.
When opening additional locking devices, auxiliary anchor clipper 9 is removed from the flat anchor 8 of auxiliary, then anchor clipper 9 will be aided in
Remove from steel strand wires 2, when closing additional locking devices, auxiliary anchor clipper 9 is clamped on steel strand wires 2, then by piggy-back anchor
Have intermediate plate 9 to be installed in the flat anchor 8 of auxiliary, auxiliary anchor clipper 9 is clamped steel strand wires 2.
The purpose for laying the additional locking devices is the security for improving the overall landing process of the template 22.Thousand
When jin top 7 is shunk, the lower locking device and the additional locking devices are opened；When jack 7 extends, lower lock is simultaneously closed off
Tight device and the additional locking devices；By setting an auxiliary locking dress below each lower locking device
Put, additional locking devices lock steel strand wires 2 as insurance together, prevent locking of the lower locking device to steel strand wires 2 from losing
Accident occurs during effect.
In the present embodiment, in step 1, multiple upper bearing beams 10 in the same hangar system are laid in same
On straight line, front and rear two adjacent upper bearing beams 10 are fixedly connected in the same hangar system.
It should be noted that multiple upper bearing beams 10 in the same hangar system constitute another completely
Girder steel.Multiple lower template beams 20 in the same hangar system constitute another complete girder steel.
As shown in Fig. 2, Fig. 7 and Fig. 8, in the present embodiment, in step 1, the lower part of each steel strand wires 2 with it is described
The bottom for hanging external fin is connected by a fixed locking device, and the fixed locking device includes being fixedly mounted on the hanging
The flat anchor 16 of fixation and the fixation anchor clipper 15 on the flat anchor 16 of fixation of the bottom of external fin, the fixed anchor clipper 15
It is clamped on steel strand wires 2.
It should be noted that link position of each downrod lower end in the bottom of the hanging external fin is hanger erection
Point；The underpass hole 17 passed through for steel strand wires 2 is offered at each hanger erection point, each underpass hole 17
Lower mouth end is respectively mounted a fixed locking device, and the purpose one for laying fixed locking device is the lower part of fixed steel strand wires 2,
Second, make the installation and removal between the bottom of steel strand wires 2 and the hanging external fin time saving and energy saving.
In the present embodiment, it is mounted on preventing the anti-drop device that fixed anchor clipper 15 comes off on each steel strand wires 2
19。
It should be noted that the anti-drop device 19 is the steel billet being welded on steel strand wires 2.
It should be noted that the upper locking device, the lower locking device, the additional locking devices and the fixation
Locking device coordinates anchor clipper to realize locking steel strand wires 2 using flat anchor, and when needing to lock steel strand wires 2, anchorage is pressed from both sides
Two valves of piece are fastened on steel strand wires 2, make anchor clipper stuck in flat anchor, are produced by clamping of the anchor clipper to steel strand wires 2
Raw big frictional force, realizes the locking to steel strand wires 2, when anchor clipper is taken out from steel strand wires 2, then to steel strand wires 2
Locking failure.Anchor clipper locking to steel strand wires 2 is coordinated using flat anchor, not only the locking effect of steel strand wires 2 is stablized,
And flat anchor and anchor clipper can directly buy acquisition, when flat anchor and anchor clipper damage, new flat anchor can be directly bought
Replaced with anchor clipper.Help to improve work efficiency when removing the template entirety.
When the sunpender is removed in the present embodiment, in step 1, carried out several times from front to back along the length direction of girder 4
Remove, remove two sunpenders every time, two sunpenders removed every time are respectively positioned at two lower sections of girder 4 and two institutes
Sunpender is stated symmetrically to lay.When removing two sunpenders every time, to remove two sunpenders one by one after one first one.
It should be noted that remove two sunpenders symmetrically laid every time, be in order to remove every time two sunpenders after
Two erectings by overhang 1 of installation can be symmetrical, the influence left-right balance for enabling installation erecting by overhang 1 to produce template 22.Often
During two sunpenders of secondary dismounting, if removing two sunpenders at the same time, the hanging force of other sunpenders can be caused to increase too many, tool
There is one to be set to danger；It is dangerous when sunpender is removed to reduce as far as possible using two sunpenders are removed one by one after one first one
Property.
The above, is only presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present invention
Any simple modification, change and the equivalent structure change that technical spirit makees above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (9)
- A kind of 1. upstroke movable framework template overall pulling down method, it is characterised in that：The upstroke movable framework is to cast-in-place The mobile formwork bridge fabrication machine that beams of concrete (21) is constructed, the upstroke movable framework include two and symmetrical are laid in Girder (4) in same level, carry out cast-in-situ concrete beam (21) molding template (22) and template (22) propped up The mould plate supporting device of support, two girders (4) are symmetrically laid in the top at left and right sides of template (22)；The mould plate supporting device is hung on two girders (4) by the suspender of two symmetrical layings, Mei Gesuo Stating suspender includes multiple sunpenders being laid in from front to back below the same girder (4), the same girder (4) Multiple sunpenders of lower section are laid on same vertical plane；The mould plate supporting device includes multiple template supporting rack, length direction of multiple formwork-supports along template (22) It is uniformly distributed from front to back, the outside of each girder (4) it is uniformly distributed from front to back have it is multiple to the shuttering supporting The outrigger (3) that frame is hung, the outrigger (3) laid on two girders (4) are laid in symmetrical, each shuttering supporting Frame is hung in two girders (4) by the outrigger (3) symmetrically laid of left and right two；When carrying out overall pulling down to template (22), comprise the following steps：Step 1: the dismounting of sunpender and the installation of erecting by overhang：All sunpenders in upstroke movable framework are removed, are often removed One sunpender, lays an erecting by overhang (1) at the sunpender present position；Steel strand wires (2) that each erecting by overhang (1) includes laying vertically, the retaining mechanism for locking steel strand wires (2), The lower template beam (20) that is fixedly mounted on girder (4), the upper bearing beam (10) being laid in directly over lower template beam (20) and branch are withstood on Jack (7) between upper bearing beam (10) and lower template beam (20), the retaining mechanism include being laid in upper on bearing beam (10) Locking device and the lower locking device being laid on the lower template beam (20), upper bearing beam (10), lower template beam (20) and the girder (4) the upper threading hole (18) passed through for steel strand wires (2) is offered on, on the cast-in-situ concrete beam (21) and template (22) The middle threading hole passed through for steel strand wires (2) is provided with, the upper threading hole (18) is coaxially laid with the middle threading hole, the steel The lower part of twisted wire (2) is fixed on the formwork-support；The monoblock type that the multiple erecting by overhang (1) compositions lift the formwork-support and template (22), which lifts, is System；Step 2: formwork-support is disconnected with outrigger：Each formwork-support is disconnected with outrigger (3), is made Girder (4) droping space formed below integrally to fall for template (22)；Step 3: template integrally falls：Fall several times to template (22) from top to bottom,Multiple erecting by overhang (1) synchronization actions during whereabouts template (22) each time, stamping die under multiple erectings by overhang (1) Plate (22) comprises the following steps：Step 301, open lower locking device：All lower locking devices in the monoblock type Lift-on/Lift-off System are opened；Step 302, jack are shunk：All jack (7) in the monoblock type Lift-on/Lift-off System are shunk at the same time, it is multiple described The contraction height all same of jack (7), while template (22) is transferred downwards, decentralization height and jack (7) of template (22) Contraction it is highly identical；Step 303, close lower locking device：All lower locking devices in the monoblock type Lift-on/Lift-off System are turned off；Step 304, open upper locking device：All upper locking devices in the monoblock type Lift-on/Lift-off System are opened；Step 305, jack elongation：All jack (7) in the monoblock type Lift-on/Lift-off System are extended, multiple described thousand The elongation height all same on jin top (7), and decentralization of the elongation height with template (22) next time is highly identical；Step 306, close upper locking device：All upper locking devices in the monoblock type Lift-on/Lift-off System are turned off；Step 307, be repeated several times step 301 to step 306, until template (22) decentralization is completed.
- A kind of 2. upstroke movable framework template overall pulling down method described in accordance with the claim 1, it is characterised in that：Step 1 In each formwork-support formed by two symmetrical hanging external fins being laid in same level, it is each described Hanging external fin is by the hanging segment (5) being connected on outrigger (3) and is connected to hanging segment (5) lower end to template (22) progress Support segment (6) composition of support；After each formwork-support is disconnected with outrigger (3) in step 2, then it will hang Hang segment (5) and support segment (6) disconnects, finally remove hanging segment (5).
- 3. according to a kind of upstroke movable framework template overall pulling down method described in claim 1 or 2, it is characterised in that：Step In rapid one, the upper locking device includes the upper flat anchor (11) being fixedly mounted on bearing beam (10) and installed in upper flat anchor (11) On upper anchor clipper (12), the upper anchor clipper (12) is clamped on steel strand wires (2), and the lower locking device includes fixing Flat anchor (13) and the lower anchor clipper (14) being installed on down on flat anchor (13), the lower anchorage under on lower template beam (20) Intermediate plate (14) is clamped on steel strand wires (2).
- 4. according to a kind of upstroke movable framework template overall pulling down method described in claim 1 or 2, it is characterised in that：Step In rapid one, each retaining mechanism further includes the additional locking devices being laid in girder (4) lower wall；The auxiliary locking Device is identical with the upper locking device structure and parallel laying；The additional locking devices include being fixedly mounted on girder (4) On the flat anchor of auxiliary (8) and clamped installed in the auxiliary anchor clipper (9) aided on flat anchor (8), the auxiliary anchor clipper (9) On steel strand wires (2)；In step 301, while opening lower locking device, all additional locking devices in the monoblock type Lift-on/Lift-off System are beaten Open；In step 302, while closing lower locking device, all additional locking devices in the monoblock type Lift-on/Lift-off System are closed.
- 5. according to a kind of upstroke movable framework template overall pulling down method described in claim 1 or 2, it is characterised in that：Step In rapid one, multiple upper bearing beams (10) in the same hangar system are laid on the same line, same described to hang Front and rear two adjacent upper bearing beams (10) are fixedly connected in extension system.
- 6. according to a kind of upstroke movable framework template overall pulling down method described in claim 1 or 2, it is characterised in that：Step In rapid one, the lower part of each steel strand wires (2) is connected with the bottom of the formwork-support by a fixed locking device Connect, the fixed locking device includes being fixedly mounted on the flat anchor of fixation (16) of the formwork-support bottom and installed in fixation Fixation anchor clipper (15) on flat anchor (16), the fixed anchor clipper (15) are clamped on steel strand wires (2).
- 7. according to a kind of upstroke movable framework template overall pulling down method described in claim 6, it is characterised in that：Each institute State the anti-drop device (19) for being mounted on preventing that fixed anchor clipper (15) from coming off on steel strand wires (2).
- 8. according to a kind of upstroke movable framework template overall pulling down method described in claim 1 or 2, it is characterised in that：Step When removing the sunpender in rapid one, removed several times from front to back along the length direction of girder (4), remove two institutes every time Sunpender is stated, two removed every time piece sunpender is symmetrically laid positioned at two girders (4) lower sections and two sunpenders respectively.
- 9. according to a kind of upstroke movable framework template overall pulling down method described in claim 8, it is characterised in that：Tear open every time During except two sunpenders, to remove two sunpenders one by one after one first one.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055908A (en) * | 2019-05-05 | 2019-07-26 | 中国铁建大桥工程局集团有限公司 | A kind of Demolition Construction method of bridge construction upstroke movable framework |
| CN110295545A (en) * | 2019-06-03 | 2019-10-01 | 中铁大桥局集团有限公司 | The erecting by overhang and its application method removed for upstroke movable framework side form |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1181242A (en) * | 1997-09-03 | 1999-03-26 | Mitsui Miike Mach Co Ltd | Precast block installation device |
| CN201003145Y (en) * | 2007-02-12 | 2008-01-09 | 郑州大方桥梁机械有限公司 | Upward and self-walking type mobile die carrier |
| CN204125840U (en) * | 2014-08-27 | 2015-01-28 | 中铁二局股份有限公司 | Mould bases transverse beam system is placed in two nose girder mobile formwork bridge fabrication machines of main tank top surface of the beam |
| JP2015059407A (en) * | 2013-09-20 | 2015-03-30 | 川田建設株式会社 | Concrete block curing device for girder |
| CN105297637A (en) * | 2015-11-25 | 2016-02-03 | 中铁二十局集团有限公司 | Method for integrally disassembling descending movable formwork bridging machine |
| CN107313352A (en) * | 2017-08-11 | 2017-11-03 | 山东省路桥集团有限公司 | Upstroke movable framework bed die automatic open-close system and bed die automatic open-close method |
-
2017
- 2017-12-07 CN CN201711286264.8A patent/CN107988910B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1181242A (en) * | 1997-09-03 | 1999-03-26 | Mitsui Miike Mach Co Ltd | Precast block installation device |
| CN201003145Y (en) * | 2007-02-12 | 2008-01-09 | 郑州大方桥梁机械有限公司 | Upward and self-walking type mobile die carrier |
| JP2015059407A (en) * | 2013-09-20 | 2015-03-30 | 川田建設株式会社 | Concrete block curing device for girder |
| CN204125840U (en) * | 2014-08-27 | 2015-01-28 | 中铁二局股份有限公司 | Mould bases transverse beam system is placed in two nose girder mobile formwork bridge fabrication machines of main tank top surface of the beam |
| CN105297637A (en) * | 2015-11-25 | 2016-02-03 | 中铁二十局集团有限公司 | Method for integrally disassembling descending movable formwork bridging machine |
| CN107313352A (en) * | 2017-08-11 | 2017-11-03 | 山东省路桥集团有限公司 | Upstroke movable framework bed die automatic open-close system and bed die automatic open-close method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055908A (en) * | 2019-05-05 | 2019-07-26 | 中国铁建大桥工程局集团有限公司 | A kind of Demolition Construction method of bridge construction upstroke movable framework |
| CN110295545A (en) * | 2019-06-03 | 2019-10-01 | 中铁大桥局集团有限公司 | The erecting by overhang and its application method removed for upstroke movable framework side form |
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| CN107988910B (en) | 2019-03-01 |
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