CN106758882A - For the hood type automatic leveling anchor and its method for suspender replacement of CFST Arch Bridge suspender replacement - Google Patents
For the hood type automatic leveling anchor and its method for suspender replacement of CFST Arch Bridge suspender replacement Download PDFInfo
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- CN106758882A CN106758882A CN201710084222.XA CN201710084222A CN106758882A CN 106758882 A CN106758882 A CN 106758882A CN 201710084222 A CN201710084222 A CN 201710084222A CN 106758882 A CN106758882 A CN 106758882A
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- Prior art keywords
- antiskid
- entablature
- hood type
- anchor
- suspension rod
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
Abstract
A kind of hood type automatic leveling anchor for CFST Arch Bridge suspender replacement, including entablature, stretching end anchorage I, II, upper and lower interim rope, conversion beam, fixing end anchorage I, II, the hood type vault anchoring antiskid system that lower joist and two are arranged on CFST Arch Bridge arch, each hood type vault anchoring antiskid system is made up of 2 rotary hanging tools, antiskid steel case, entablature, antiskid anchor ear and rubber blanket；Under working condition, upper and lower interim rope is each passed through entablature or lower conversion beam, jack, is anchored with stretching end anchorage I, II and fixing end anchorage I, II, and lower joist catches suspension rod crossbeam lower surface；Rubber blanket is arranged between antiskid anchor ear and tubular arch side, and antiskid steel lower box part cambered surface is fixedly connected with antiskid anchor ear, and the one side and antiskid steel case side of entablature lower floor " well " word structure are adjacent to, another side and antiskid steel case are bolted by high-strength bolt.The apparatus structure is simple, size is smaller, and easy construction, work efficiency are high.
Description
Technical field
It is particularly a kind of for steel pipe truss concrete arch-type bridge suspender replacement the present invention relates to a kind of bridge construction equipment
Instrument derrick rig and its method changed for arch bridge suspender.
Background technology
At present, most of CFST Arch Bridge suspender replacement rope power conversion devices are mainly interim suspension rod or interim pocket hangs
Device, part need to take welding manner to fix leveling wedge or antiskid block on arch, reach the upper leveling of arch and be easy to set crossbeam
Or the purpose of antiskid；When interim suspension rod or interim pocket device for hoisting need to be transferred at next suspender replacement, arch entablature needs large-scale
Lifting appliance lifting operation, it has the disadvantage：Engineer operation intensity is big, and the difficult control of Site Welding quality, easy injury of primary steel pipe is mixed
Solidifying soil arch rib and application, wedge can not be used in turn, and dismounting resumes operation progress slowly, large-scale lifting appliance machine-team consumption
Greatly, construction cost is higher.
Application publication number is：CN102926332 A, entitled " the instrument derrick rig of steel arch bridge suspender replacement
And its replacing options " a kind of instrument derrick rig of steel arch bridge suspender replacement is disclosed, its weak point is still need to be every
Place changes boom location welded limiting device nearby, the difficult control of Site Welding quality, to raw steel structure arch rib and is coated with damage,
Stopping means material can not be used in turn, and change suspension rod and finish and need to carry out repair place to the position of steel structure surface local welding
Reason；Wire line thimble is more around arch ring road number, and working procedure is complicated, and engineer operation intensity is big, and dismounting resumes operation progress slowly, large-scale
Hang equipment machine-team consumption big, construction cost is higher.
To solve the above problems, the applicant has successively applied for Patent No. 201520814605.4, entitled：
" a kind of towed instrument derrick rig for steel pipe truss concrete arch-type bridge suspender replacement ", the patent No.
201521046495.8, it is entitled：The utility model patent of " the frictional anchoring suspender replacement device of one kind traction ", successively
Two kinds " arch bridge suspender changes rope power conversion device " are disclosed, the technical problem that above-mentioned prior art is present is solved, but all deposit
Being related to, mach component is more, manufacturing cost problem higher, and the towed vault anchoring for particularly being set in vault resists
Sliding system construction size is larger, less practical in some areas.
Therefore, the applicant have submitted in 2016, and " number of patent application is 201610664498.0, entitled again：
《For the hood type instrument derrick rig of steel pipe truss concrete arch-type bridge suspender replacement》" application for a patent for invention, further solution
In the above mentioned problem, but implementation process of having determined, it has been found that the patent application technology still suffers from some shortcomings part, than such as relating to machine adds
The component of work is more, and manufacturing cost is also higher, and especially leveling steel case processing installation needs field lofting, blanking, welding, scene peace
Dress working strength is larger.
The content of the invention
The purpose of the present invention is directed to the applicant, and " number of patent application is 201610664498.0, entitled：《With
In the hood type instrument derrick rig of steel pipe truss concrete arch-type bridge suspender replacement》" further improvement, there is provided one kind be used for steel
Hood type automatic leveling anchor and its method for suspender replacement that pipe concrete arch bridge suspender is changed, the hood type are embraced
Hoop formula automatic leveling anchor simple structure, size are smaller, are related to mach component less, and scene is not required to weld leveling
Steel case, can be used in turn, easy construction, work efficiency it is high.
The technical scheme for solving the above problems is：A kind of hood type for CFST Arch Bridge suspender replacement is adjusted automatically
Flat anchor, including：Entablature, stretching end anchorage I, upper interim rope, stretching end anchorage II, conversion beam, fixing end anchorage I,
Interim rope, lower joist and fixing end anchorage II down；
The hood type automatic leveling anchor also includes two hood type vault anchors being arranged on CFST Arch Bridge arch
Gu antiskid system, each hood type vault anchors antiskid system by 2 rotary hanging tools, antiskid steel case, entablature, antiskid anchor ear
Constituted with rubber blanket；
The two sides of the antiskid steel case are rectangular steel plates, another two sides are shape of a saddle steel plate, and top surface is rectangular steel plates, is welded into
Steel box structure；
The entablature is double-layer structure, is connected by high-strength bolt between the two, and the superstructure of entablature is longitudinal direction distribution
Beam, the understructure of entablature is " well " word structure；
The antiskid anchor ear is two halves formula steel hoop structure, is connected by high-strength bolt and is realized by pretension high-strength bolt anti-
It is sliding；
The rotary hanging tool is the overall structure that central aperture cylinder and two ends are connected with a bearing pin, 2 rotary hanging tools point
Not Wei Yu entablature two ends, will be connected with entablature by bearing pin, additionally by bearing pin rotate self adaptation realize rotary hanging tool
Leveling；
Under working condition, upper interim Suo Shangduan is anchored through entablature stretching end anchorage I, and upper interim rope lower end passes through conversion
Beam, is anchored with fixing end anchorage I；Interim Suo Shangduan sequentially passes through conversion beam, jack down, is anchored with stretching end anchorage II, under
Interim rope lower end anchors through lower joist fixing end anchorage II, and lower joist catches suspension rod crossbeam lower surface；For increasing antiskid
The rubber blanket of coefficient of friction is arranged between antiskid anchor ear and tubular arch side between anchor ear and tubular arch, antiskid steel lower box part arc
Face is fixedly connected with antiskid anchor ear by weld seam, and the one side and antiskid steel case side of entablature lower floor " well " word structure are adjacent to, with
Antiskid steel case is antiskid reaction supporting point, and the another side and antiskid steel case of entablature lower floor " well " word structure pass through high-strength bolt
Bolt.
Related another technical scheme is：A kind of method of steel pipe arch bridge suspender replacement, it is using above-mentioned use of the invention
In the method that the hood type automatic leveling anchor of CFST Arch Bridge suspender replacement is used for steel pipe arch bridge suspender replacement, it
Comprise the following steps：
A, hood type automatic leveling anchor for CFST Arch Bridge suspender replacement is installed：
This be used for the hood type automatic leveling anchor entablature of CFST Arch Bridge suspender replacement, stretching end anchorage I,
Interim rope, stretching end anchorage II, conversion beam, fixing end anchorage I, lower interim rope, lower joist and fixing end anchorage II and two
Hood type vault on CFST Arch Bridge arch anchors antiskid system；Each hood type vault anchor antiskid system by
2 rotary hanging tool, antiskid steel case, entablature, antiskid anchor ear and rubber blanket compositions；
A1, it is longitudinally asymmetric on tubular arch be respectively mounted hood type vault anchoring antiskid system in former suspension rod, each is embraced
Hoop formula vault anchoring antiskid system is made up of 2 rotary hanging tools, antiskid steel case, entablature, antiskid anchor ear and rubber blanket；
The two sides of the antiskid steel case are rectangular steel plates, another two sides are shape of a saddle steel plate, and top surface is rectangular steel plates, is welded into
Steel box structure；
The entablature is double-layer structure, is connected by high-strength bolt between the two, and the superstructure of entablature is longitudinal direction distribution
Beam, the understructure of entablature is " well " word structure；
The antiskid anchor ear is two halves formula steel hoop structure, is connected by high-strength bolt and is realized by pretension high-strength bolt anti-
It is sliding；
The rotary hanging tool is the overall structure that central aperture cylinder and two ends are connected with a bearing pin, 2 rotary hanging tools point
Not Wei Yu entablature two ends, will be connected with entablature by bearing pin, additionally by bearing pin rotate self adaptation realize rotary hanging tool
Leveling；
Bar lazy halyard is changed in A2, installation --- upper interim rope and lower interim rope：
Upper interim Suo Shangduan is anchored through entablature stretching end anchorage I, upper interim rope lower end passes through conversion beam, uses fixing end
Anchorage I is anchored；Interim Suo Shangduan sequentially passes through conversion beam, jack down, is anchored with stretching end anchorage II, and lower interim rope lower end is worn
Cross down joist fixing end anchorage II to anchor, lower joist catches suspension rod crossbeam lower surface；For increasing antiskid anchor ear and tubular arch
Between the rubber blanket of coefficient of friction be arranged between antiskid anchor ear and tubular arch side, antiskid steel lower box part cambered surface and antiskid anchor ear
It is fixedly connected by weld seam, the one side and antiskid steel case side of entablature lower floor " well " word structure are adjacent to, and are anti-with antiskid steel case
Sliding reaction supporting point, the another side and antiskid steel case of entablature lower floor " well " word structure are bolted by high-strength bolt；
A3, the connection safety for checking hood type each component of automatic leveling anchor and stabilization hold lotus ability：
Interim rope slowly carries out examination tensioning step by step under by driving jack tension, checks that hood type automatic leveling anchor is each
The connection safety and stabilization of component hold lotus ability；
B, the former suspension rod of dismounting, completion conversion of the Suo Li systems to hood type automatic leveling anchor：
When former suspension rod is formally removed, former suspension rod steel wire is cut off step by step, interim rope under synchronous tensioning step by step, realization is hung former
Bar Suo Li is changed to hood type automatic leveling anchor, completes Suo Li system transforms；Suo Li transfer processes floor elevation step by step
Within ± 5mm, after former suspension rod cut-out, interim rope under anchoring removes former suspension rod afterwards for change control；
C, the new suspension rod of installation, completion conversion of the Suo Li systems to new suspension rod：
New suspension rod is installed to finish, step by step the new suspension rod of tensioning, it is synchronous put step by step under interim rope, realize hood type automatic leveling anchor
Be fixedly mounted with and put Suo Li and change to new suspension rod, complete Suo Li system transforms, step by step Suo Li transfer processes floor elevation change control ±
Within 5mm, new suspender tension in place after, new suspension rod is anchored by anchor head nut；
D, dismounting hood type automatic leveling anchor, are transferred at next former suspension rod；
E, every suspender replacement repeat step A~step D, complete other suspender replacements.
Because the hood type for CFST Arch Bridge suspender replacement for using above-mentioned technical proposal, the present invention is adjusted automatically
Flat anchor and its method for suspender replacement have the advantages that：
1. the device does not change original structure stress system in suspender replacement Suo Li transfer processes, to original structure stressing influence compared with
It is small：
The hood type automatic leveling anchor for CFST Arch Bridge suspender replacement of the present invention has one to be arranged on steel
Hood type vault anchoring antiskid system on pipe concrete arch bridge arch, the hood type vault anchors antiskid system by rotary lifting
Tool, antiskid steel case, entablature, antiskid anchor ear and rubber blanket composition；By pretension antiskid anchor ear high-strength bolt realizing encircleing upper anchor
Gu antiskid, the leveling that self adaptation realizes rotary hanging tool is rotated additionally by the bearing pin of rotary hanging tool.
The hood type automatic leveling anchor for CFST Arch Bridge suspender replacement of the present invention is used for suspension rod
During replacing, antiskid system is anchored using the hood type set on arch, be connected with bridge floor conversion beam by upper interim rope, suspension rod crossbeam
Lower setting subiculum beam, is connected by lower interim rope with bridge floor conversion beam, by the jack on tensioning bridge floor conversion beam, realizes hanging
Bar Suo Li is changed；The device does not change original structure stress system in suspender replacement Suo Li transfer processes, to original structure stress shadow
Sound is smaller, and manual work intensity is small, and work efficiency is high, and construction peace tears progress open soon, to former steel tube arch rib and application not damaged, is easy to standard
Change construction.
2. simple structure, construction cost are low：
The hood type automatic leveling anchor for CFST Arch Bridge suspender replacement of the present invention is using installed in steel pipe
Hood type vault anchoring antiskid system on truss concrete arch bridge arch, rubber blanket be arranged on antiskid anchor ear and tubular arch side it
Between, with antiskid anchor ear by solder design, entablature is bolted antiskid steel case with antiskid steel case by high-strength bolt, by rotary lifting
Tool is arranged on entablature two ends, you can realize the upper suspender automatic leveling of arch；
1. relative to " a kind of towed instrument derrick rig for steel pipe truss concrete arch-type bridge suspender replacement ", " one kind is led
Draw frictional anchoring suspender replacement device ", apparatus of the present invention need not by set draw-gear, adjustable screw, walking mechanism,
Levelling gear is common to realize arch upper antiskid and leveling, also need not be by setting hauling rope, horseback riding type friction anchoring device, can revolve
Rotatable suspender is common to realize arch upper antiskid and leveling, need not also be moved to every time at replacing boom location, takes welding to adjust
The device of flat different angles is connected with vault realizes leveling；Only by setting hood type automatic leveling anchor, rotatably
Suspender is common to realize arch upper antiskid and leveling, and structure simpler, size is smaller, is related to mach component less, is manufactured into
This is relatively low, to former steel tube arch rib and application not damaged, is easy to standardized construction.
2. relative to " Patent No. 201610664498.0, denomination of invention《For steel pipe truss concrete arch-type bridge suspension rod more
The hood type instrument derrick rig for changing》For, structure of the present invention simpler, size is smaller, is related to mach component less, makes
Cause relatively low：
《For the hood type instrument derrick rig of steel pipe truss concrete arch-type bridge suspender replacement》Except including entablature, stretching end anchor
Tool, upper and lower interim rope, conversion beam, outside fixing end anchorage and lower joist, also including by latch, suspender belt, anchoring anchor ear, leveling steel
The hood type vault anchoring antiskid system of case, entablature, antiskid rope and antiskid anchor ear composition, anchoring anchor ear one end by latch,
Suspender belt is anchored on steel pipe truss arch ring with canoe, and one end of antiskid rope is fixedly connected with anchoring anchor ear bottom, the other end
It is fixedly connected with antiskid anchor ear bottom；Pass through steel between the antiskid anchor ear and anchoring anchor ear of hood type vault anchoring antiskid system
Twisted wire or push-and-pull rod are connected, and vault leveling passes through leveling steel case leveling；
And the present invention need not be respectively provided with anchoring anchor ear and antiskid anchor ear；Need to only be set by rotary hanging tool, antiskid steel in vault
Case, entablature, antiskid anchor ear and rubber blanket composition hood type vault anchoring antiskid system, vault leveling pass through rotary type suspender
Realize automatic leveling；Reduce leveling steel case, anchoring anchor ear, suspender belt and the steel strand wires that antiskid anchor ear is connected with anchoring anchor ear
Or the parts such as push-and-pull rod, structure is simpler；
Secondly, scene of the present invention is not required to weld leveling steel case, can be used in turn, easy construction, work efficiency it is high.
Due to above feature, hood type automatic leveling anchor of the present invention for CFST Arch Bridge suspender replacement
And its old suspender replacement of various arch bridges is can be suitably used for for the method for suspender replacement, and it is applied widely, with more preferable society's warp
Ji benefit.
Below, the hood type for CFST Arch Bridge suspender replacement in conjunction with the accompanying drawings and embodiments to the present invention is automatic
Leveling anchor and its technical characteristic for the method for suspender replacement are further described.
Brief description of the drawings
Fig. 1 is the entirety of the hood type automatic leveling anchor for CFST Arch Bridge suspender replacement of the present invention
Structure and install and use view；
Fig. 2 is the A direction views of Fig. 1；
Fig. 3 is the B direction views of Fig. 1；
Fig. 4 is the overall structure diagram of the hood type automatic leveling anchor for CFST Arch Bridge suspender replacement；
Fig. 5 is the C direction views of Fig. 4；
Fig. 6 is the D direction views of Fig. 4；
Fig. 7 is the upper antiskid system structure diagram of arch；
Fig. 8：Antiskid steel case, antiskid hooping structure and assembling schematic diagram；
Fig. 9：Entablature structural representation；
Figure 10：Rotary hanging tool structural representation.
In figure：
1- entablatures, the upper strata of 101- entablatures, the lower floor of 102- entablatures, 2- rotary hanging tools, 3- antiskid steel casees face on 4-
When rope, 5- stretching ends anchorage I, 6- tubular archs, 7- antiskid anchor ears, 8- rubber blankets, interim rope under 9-, 10- stretching ends anchorage II,
11- jack, 12- conversion beams, 13- fixing ends anchorage I, joist under 14-, 15- fixing ends anchorage II, 16- suspension rod crossbeams, 17-
Former suspension rod.
Specific embodiment
Embodiment one：
A kind of hood type automatic leveling anchor for CFST Arch Bridge suspender replacement：
As shown in figure 1, the hood type automatic leveling anchor includes：Entablature 1, stretching end anchorage I 5, upper interim rope 4,
Pull end anchorage II 10, conversion beam 12, fixing end anchorage I 13, lower interim rope 9, lower joist 14 and fixing end anchorage II 15 and two
The individual hood type vault on CFST Arch Bridge arch anchors antiskid system, each hood type vault anchoring antiskid system
It is made up of 2 rotary hanging tools 2, antiskid steel case 3, entablature 1, antiskid anchor ear 7 and rubber blanket 8（Referring to Fig. 1-Fig. 6）；
The two sides of the antiskid steel case 3 are rectangular steel plates, another two sides are shape of a saddle steel plate, and top surface is rectangular steel plates, welding
Into steel box structure（Referring to Fig. 7, Fig. 8）；
The entablature 1 is double-layer structure, is connected by high-strength bolt between the two, and the structure of upper strata 101 of entablature is vertical
To distribution beam, the structure of lower floor 102 of entablature is " well " word structure（Referring to Fig. 9）；
The antiskid anchor ear 7 is two halves formula steel hoop structure, is connected by high-strength bolt and is realized by pretension high-strength bolt anti-
It is sliding（Referring to Fig. 7）；
Described rubber blanket 8 is arranged between antiskid anchor ear and tubular arch, increases coefficient of friction between the two；
The rotary hanging tool 2 is the overall structure that central aperture cylinder and two ends are connected with a bearing pin, 2 rotary hanging tools 2
The two ends of entablature 1 being located at respectively, being connected with entablature 1 by bearing pin, rotating self adaptation additionally by bearing pin realizes rotatably
The leveling of suspender（Referring to Figure 10）；
Under working condition, the upper upper end of interim rope 4 is anchored through entablature 1 with stretching end anchorage I 5, and the upper lower end of interim rope 4 passes through and turns
Beam 12 is changed, is anchored with fixing end anchorage I 13；The upper end of interim rope 9 sequentially passes through conversion beam 12, jack 11 down, uses stretching end anchor
Have II 10 anchorings, the lower lower end of interim rope 9 is anchored through lower joist 14 with fixing end anchorage II 15, and lower joist 14 catches suspension rod crossbeam
16 lower surfaces；Rubber blanket 8 for increasing coefficient of friction between antiskid anchor ear 7 and tubular arch is arranged on antiskid anchor ear 7 and steel pipe
Encircle between 6 sides, the bottom cambered surface of antiskid steel case 3 is fixedly connected with antiskid anchor ear 7 by weld seam, the lower floor of entablature 1 " well " word knot
One side of structure is adjacent to the side of antiskid steel case 3, with antiskid steel case 3 for antiskid reaction supporting point, the lower floor of entablature 1 " well " word knot
The another side of structure is bolted with antiskid steel case 3 by high-strength bolt（Referring to Fig. 1-Fig. 6）.
Embodiment two
A kind of method of steel pipe arch bridge suspender replacement, it is used described in embodiment one for CFST Arch Bridge suspender replacement
The hood type automatic leveling anchor method of realizing steel pipe arch bridge suspender replacement, it comprises the following steps：
A, hood type automatic leveling anchor for CFST Arch Bridge suspender replacement is installed：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, the hood type for being used for CFST Arch Bridge suspender replacement is adjusted automatically
Flat anchor entablature 1, stretching end anchorage I 5, upper interim rope 4, stretching end anchorage II 10, conversion beam 12, fixing end anchorage I
13rd, lower interim rope 9, lower joist 14 and fixing end anchorage II 15 and two hood types being arranged on CFST Arch Bridge arch
Vault anchors antiskid system, and each hood type vault anchors antiskid system by 2 rotary hanging tools 2, antiskid steel case 3, entablature
1st, antiskid anchor ear 7 and rubber blanket 8 are constituted；
A1, longitudinally asymmetric on tubular arch 6 it is respectively mounted hood type vault anchoring antiskid system, this armful in former suspension rod 17
Hoop formula vault anchoring antiskid system is made up of rotary hanging tool 2, antiskid steel case 3, entablature 1, antiskid anchor ear 7 and rubber blanket 8；
The two sides of the antiskid steel case 3 are rectangular steel plates, another two sides are shape of a saddle steel plate, and top surface is rectangular steel plates, welding
Into steel box structure（Referring to Fig. 7, Fig. 8）；
The entablature 1 is double-layer structure, is connected by high-strength bolt between the two, and the upper strata 101 of entablature is longitudinal direction point
With beam, the structure of lower floor 102 of entablature is " well " word structure（Referring to Fig. 9）；
The antiskid anchor ear 7 is two halves formula steel hoop structure, is connected by high-strength bolt and is realized by pretension high-strength bolt anti-
It is sliding（Referring to Fig. 7）；
The rotary hanging tool 2 is the overall structure that central aperture cylinder and two ends are connected with a bearing pin, 2 rotary hanging tools 2
The two ends of entablature 1 being located at respectively, being connected with entablature 1 by bearing pin, rotating self adaptation additionally by bearing pin realizes rotatably
The leveling of suspender（Referring to Figure 10）；
Bar lazy halyard is changed in A2, installation --- upper interim rope 4 and lower interim rope 9：
The upper upper end of interim rope 4 is anchored through entablature 1 with stretching end anchorage I 5, the upper lower end of interim rope 4 passes through conversion beam 12, used
Fixing end anchorage I 13 is anchored；The upper end of interim rope 9 sequentially passes through conversion beam 12, jack 11 down, with the anchor of stretching end anchorage II 10
Gu, the lower lower end of interim rope 9 is anchored through lower joist 14 with fixing end anchorage II 15, and lower joist 14 catches the following table of suspension rod crossbeam 16
Face；Rubber blanket 8 for increasing coefficient of friction between antiskid anchor ear 7 and tubular arch is arranged on antiskid anchor ear 7 and the side of tubular arch 6
Between, the bottom cambered surface of antiskid steel case 3 is fixedly connected with antiskid anchor ear 7 by weld seam, and the one of the lower floor of entablature 1 " well " word structure
Side is adjacent to the side of antiskid steel case 3, with antiskid steel case 3 be antiskid reaction supporting point, the lower floor of entablature 1 " well " word structure it is another
While being bolted by high-strength bolt with antiskid steel case 3；
A3, the connection safety for checking hood type each component of automatic leveling anchor and stabilization hold lotus ability：
Interim rope 9 slowly carries out examination tensioning step by step under by driving the tensioning of jack 11, checks hood type automatic leveling anchoring dress
The connection safety and stabilization for putting each component hold lotus ability；
B, the former suspension rod of dismounting, completion conversion of the Suo Li systems to hood type automatic leveling anchor：
When former suspension rod 17 is formally removed, the steel wire of former suspension rod 17 is cut off step by step, interim rope 9 under synchronous tensioning step by step, realizing will
Former suspender force is changed to hood type automatic leveling anchor, completes Suo Li system transforms；Suo Li transfer processes bridge step by step
Within ± 5mm, after former suspension rod 17 cuts off, interim rope 9 under anchoring removes former suspension rod 17 afterwards for face absolute altitude change control；
C, the new suspension rod of installation, completion conversion of the Suo Li systems to new suspension rod：
New suspension rod is installed to finish, step by step the new suspension rod of tensioning, it is synchronous put step by step under interim rope 9, realize hood type automatic leveling
Anchor Suo Li is changed to new suspension rod, completes Suo Li system transforms, and Suo Li transfer processes floor elevation change control step by step exists
Within ± 5mm, new suspender tension in place after, new suspension rod is anchored by anchor head nut；
D, dismounting hood type automatic leveling anchor, are transferred at next former suspension rod；
E, every suspender replacement repeat step A~step D, complete other suspender replacements.
Claims (2)
1. a kind of hood type automatic leveling anchor for CFST Arch Bridge suspender replacement, including：Entablature（1）、
Stretching end anchorage I（5）, upper interim rope（4）, stretching end anchorage II（10）, conversion beam（12）, fixing end anchorage I（13）, it is lower interim
Rope（9）, lower joist（14）With fixing end anchorage II（15）；It is characterized in that：
The hood type automatic leveling anchor also includes two hood type vault anchors being arranged on CFST Arch Bridge arch
Gu antiskid system, each hood type vault anchors antiskid system by 2 rotary hanging tools（2）, antiskid steel case（3）, entablature
（1）, antiskid anchor ear（7）And rubber blanket（8）Composition；
The antiskid steel case（3）Two sides for rectangular steel plates, another two sides be shape of a saddle steel plate, top surface is rectangular steel plates, spell
It is welded into steel box structure；
The entablature（1）It is double-layer structure, is connected by high-strength bolt between the two, the upper strata of entablature（101）Structure
It is longitudinal distribution beam, the lower floor of entablature（102）Structure is " well " word structure；
The antiskid anchor ear（7）It is two halves formula steel hoop structure, is connected by high-strength bolt and realized by pretension high-strength bolt
Antiskid；
The rotary hanging tool（2）The overall structure of a bearing pin, 2 rotary hanging tools are connected with for central aperture cylinder and two ends
（2）Entablature is located at respectively（1）Two ends, will be with entablature by bearing pin（1）Connection, rotates self adaptation and realizes additionally by bearing pin
The leveling of rotary hanging tool；
Under working condition, upper interim rope（4）Upper end passes through entablature（1）With stretching end anchorage I（5）Anchoring, upper interim rope（4）Under
Hold through conversion beam（12）, with fixing end anchorage I（13）Anchoring；Interim rope down（9）Upper end sequentially passes through conversion beam（12）, it is very heavy
Top（11）, with stretching end anchorage II（10）Anchoring, lower interim rope（9）Lower end passes through lower joist（14）With fixing end anchorage II（15）
Anchoring, lower joist（14）Catch suspension rod crossbeam（16）Lower surface；For increasing antiskid anchor ear（7）The coefficient of friction between tubular arch
Rubber blanket（8）It is arranged on antiskid anchor ear（7）With tubular arch（6）Between side, antiskid steel case（3）Bottom cambered surface and antiskid anchor ear
（7）It is fixedly connected by weld seam, entablature（1）One side of lower floor " well " word structure and antiskid steel case（3）Side is adjacent to, with anti-
Sliding steel case（3）It is antiskid reaction supporting point, entablature（1）The another side of lower floor " well " word structure and antiskid steel case（3）By height
Strong screw rod bolt.
2. a kind of method of steel pipe arch bridge suspender replacement, it be using described in claim 1 for CFST Arch Bridge suspension rod
The method that the hood type automatic leveling anchor of replacing is used for steel pipe arch bridge suspender replacement, it is characterised in that：It includes as follows
Step：
A, hood type automatic leveling anchor for CFST Arch Bridge suspender replacement is installed：
The hood type automatic leveling anchor for being used for CFST Arch Bridge suspender replacement includes entablature（1）, stretching end
Anchorage I（5）, upper interim rope（4）, stretching end anchorage II（10）, conversion beam（12）, fixing end anchorage I（13）, lower interim rope（9）、
Lower joist（14）With fixing end anchorage II（15）And two hood type vault anchorings being arranged on CFST Arch Bridge arch
Antiskid system；Each hood type vault anchors antiskid system by 2 rotary hanging tools（2）, antiskid steel case（3）, entablature（1）、
Antiskid anchor ear（7）And rubber blanket（8）Composition；
A1, in tubular arch（6）It is upper longitudinally asymmetric in former suspension rod（17）A hood type vault anchoring antiskid system is respectively mounted,
Each hood type vault anchors antiskid system by 2 rotary hanging tools（2）, antiskid steel case（3）, entablature（1）, antiskid anchor ear
（7）And rubber blanket（8）Composition；
The antiskid steel case（3）Two sides for rectangular steel plates, another two sides be shape of a saddle steel plate, top surface is rectangular steel plates, spell
It is welded into steel box structure；
The entablature（1）It is double-layer structure, is connected by high-strength bolt between the two, the upper strata of entablature（101）Structure
It is longitudinal distribution beam, the lower floor of entablature（102）Structure is " well " word structure；
The antiskid anchor ear（7）It is two halves formula steel hoop structure, is connected by high-strength bolt and realized by pretension high-strength bolt
Antiskid；
The rotary hanging tool（2）The overall structure of a bearing pin, 2 rotary hanging tools are connected with for central aperture cylinder and two ends
（2）Entablature is located at respectively（1）Two ends, will be with entablature by bearing pin（1）Connection, rotates self adaptation and realizes additionally by bearing pin
The leveling of rotary hanging tool；
Bar lazy halyard is changed in A2, installation --- upper interim rope（4）With lower interim rope（9）：
By upper interim rope（4）Upper end passes through entablature（1）With stretching end anchorage I（5）Anchoring, upper interim rope（4）Lower end passes through and turns
Change beam（12）, with fixing end anchorage I（13）Anchoring；Interim rope down（9）Upper end sequentially passes through conversion beam（12）, jack（11）,
With stretching end anchorage II（10）Anchoring, lower interim rope（9）Lower end passes through lower joist（14）With fixing end anchorage II（15）Anchoring, under
Joist（14）Catch suspension rod crossbeam（16）Lower surface；For increasing antiskid anchor ear（7）The rubber of coefficient of friction between tubular arch
Pad（8）Installed in antiskid anchor ear（7）With tubular arch（6）Between side, antiskid steel case（3）Bottom cambered surface and antiskid anchor ear（7）It is logical
Cross weld seam to be fixedly connected, entablature（1）One side of lower floor " well " word structure and antiskid steel case（3）Side is adjacent to, with antiskid steel case
（3）It is antiskid reaction supporting point, entablature（1）The another side of lower floor " well " word structure and antiskid steel case（3）By high-strength bolt
Bolt；
A3, the connection safety for checking hood type each component of automatic leveling anchor and stabilization hold lotus ability：
By driving jack（11）Interim rope under tensioning（9）Examination tensioning is slowly carried out step by step, checks hood type automatic leveling anchor
It is fixedly mounted with the connection safety of putting each component and stabilization holds lotus ability；
B, the former suspension rod of dismounting, completion conversion of the Suo Li systems to hood type automatic leveling anchor：
Former suspension rod（17）During formal dismounting, former suspension rod is cut off step by step（17）Steel wire, interim rope under synchronous tensioning step by step（9）,
Realize changing former suspender force to hood type automatic leveling anchor, complete Suo Li system transforms；Suo Li conversions step by step
The change of process floor elevation is controlled within ± 5mm, former suspension rod（17）After cut-out, interim rope under anchoring（9）, remove afterwards former
Old suspension rod（17）；
C, the new suspension rod of installation, completion conversion of the Suo Li systems to new suspension rod：
New suspension rod is installed to finish, step by step the new suspension rod of tensioning, it is synchronous put step by step under interim rope（9）, realize automatically adjusting hood type
Flat anchor Suo Li is changed to new suspension rod, completes Suo Li system transforms, step by step Suo Li transfer processes floor elevation change control
Within ± 5mm, new suspender tension in place after, new suspension rod is anchored by anchor head nut；
D, dismounting hood type automatic leveling anchor, are transferred at next former suspension rod；
E, every suspender replacement repeat step A~step D, complete other suspender replacements.
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| CN201710084222.XA CN106758882B (en) | 2017-02-16 | 2017-02-16 | For the hood type automatic leveling anchor of CFST Arch Bridge suspender replacement and its for the method for suspender replacement |
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| CN201710084222.XA CN106758882B (en) | 2017-02-16 | 2017-02-16 | For the hood type automatic leveling anchor of CFST Arch Bridge suspender replacement and its for the method for suspender replacement |
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| CN109162209A (en) * | 2018-09-04 | 2019-01-08 | 广东和立土木工程有限公司 | The quick-replaceable construction method of half-through and half/through arch bridge suspender |
| CN109487709A (en) * | 2018-12-10 | 2019-03-19 | 河海大学 | The interim rope self-balancing push mode suspension bridge sling replacing underpinning device of side straddle-type |
| CN109537476A (en) * | 2018-12-10 | 2019-03-29 | 河海大学 | The double interim rope self-balancings of pin ear formula pull formula suspension bridge sling replacing underpinning device |
| CN110055907A (en) * | 2019-05-08 | 2019-07-26 | 中交第二航务工程局有限公司 | A kind of concrete freely-supported hollow slab girder proposes load ruggedized construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109537476B (en) * | 2018-12-10 | 2024-02-23 | 河海大学 | Pin lug type double-temporary-rope self-balancing pulling type suspension bridge sling replacement underpinning device |
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| CN110055907A (en) * | 2019-05-08 | 2019-07-26 | 中交第二航务工程局有限公司 | A kind of concrete freely-supported hollow slab girder proposes load ruggedized construction |
| CN110055907B (en) * | 2019-05-08 | 2024-03-22 | 中交第二航务工程局有限公司 | Concrete simply supported hollow slab beam carrying reinforcing structure |
| CN110219230A (en) * | 2019-06-13 | 2019-09-10 | 福州大学 | Concrete Filled Steel-tube Truss Arch Bridge web member replacement construction and construction method |
| CN110219230B (en) * | 2019-06-13 | 2024-02-13 | 福州大学 | Steel pipe concrete truss arch bridge web member replacement structure and construction method |
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