CN106758882B - For the hood type automatic leveling anchor of CFST Arch Bridge suspender replacement and its for the method for suspender replacement - Google Patents
For the hood type automatic leveling anchor of CFST Arch Bridge suspender replacement and its for the method for suspender replacement Download PDFInfo
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- CN106758882B CN106758882B CN201710084222.XA CN201710084222A CN106758882B CN 106758882 B CN106758882 B CN 106758882B CN 201710084222 A CN201710084222 A CN 201710084222A CN 106758882 B CN106758882 B CN 106758882B
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- antiskid
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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
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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
- E01D4/00—Arch-type bridges
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Abstract
A method of for the hood type automatic leveling anchor of CFST Arch Bridge suspender replacement and its for suspender replacement, the automatic leveling anchor includes upper beam, stretching end anchorage I, II, upper and lower interim rope, conversion beam, fixing end anchorage I, II, lower joist and two hood type vaults being mounted on CFST Arch Bridge arch anchor anti-slip system, and each hood type vault anchoring anti-slip system is made of 2 rotary hanging tools, antiskid steel case, upper beam, antiskid anchor ear and rubber pad；Under working condition, upper and lower interim rope is each passed through upper beam or lower conversion beam, jack, is anchored with stretching end anchorage I, II and fixing end anchorage I, II, lower joist catches suspender crossbeam lower surface；Rubber pad 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 upper beam lower layer " 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 especially a kind of for steel pipe truss concrete arch-type bridge suspender replacement the present invention relates to a kind of bridge construction equipment
Tool derrick rig and its method replaced for arch bridge suspender.
Background technology
It is hung currently, most of CFST Arch Bridge suspender replacement rope power conversion devices are mainly interim sunpender or interim pocket
Device, part need to take welding manner to fix leveling wedge block or antiskid block on arch, reach the upper leveling of arch convenient for setting crossbeam
Or the purpose of antiskid；When interim sunpender or interim pocket device for hoisting need to be transferred at next suspender replacement, arch upper beam needs large size
Lifting appliance lifting operation, the disadvantage is that：Engineer operation intensity is big, and site welding quality is difficult to control, and it is mixed to be easy to damage raw steel pipe
Solidifying soil arch rib and application, wedge block cannot be used in turn, and the dismounting progress that resumes operation is slow, large-scale lifting appliance machine-team consumption
Greatly, construction cost is higher.
Application publication number is：CN102926332 A, entitled " the tool derrick rig of steel arch bridge suspender replacement
And its replacing options " a kind of tool derrick rig of steel arch bridge suspender replacement is disclosed, shortcoming is still need to be every
Place replaces boom location welded limiting device nearby, and site welding quality is difficult to control, to raw steel structure arch rib and is coated with damage,
Limiting device material cannot be used in turn, and replaced sunpender and finished 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, and progress is slow, and large size rises
Hang that equipment machine-team consumption is big, and construction cost is higher.
To solve the above problems, the applicant has successively applied for Patent No. 201520814605.4, it is entitled：
" a kind of towed tool derrick rig for steel pipe truss concrete arch-type bridge suspender replacement ", the patent No.
201521046495.8 entitled：The utility model patent of " a kind of frictional anchoring suspender replacement device of traction ", successively
Two kinds " arch bridge suspender replaces rope power conversion device " are disclosed, solve above-mentioned technical problem of the existing technology, but all deposit
Being related to, mach component is more, the higher problem of manufacturing cost, especially anti-in the towed vault anchoring of vault setting
Sliding system construction size is larger, less practical in some areas.
For this purpose, the applicant again had submitted in 2016 " number of patent application 201610664498.0, it is entitled：
《Hood type tool derrick rig for steel pipe truss concrete arch-type bridge suspender replacement》" application for a patent for invention, further solve
It has determined the above problem, but in implementation process, it has been found that there are still some shortcomingss for the patent application technology, for example has been related to machine and 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
It is larger to fill working strength.
Invention content
The purpose of the present invention is be directed to the applicant " number of patent application 201610664498.0, it is entitled：《With
In the hood type tool derrick rig of steel pipe truss concrete arch-type bridge suspender replacement》" be further improved, provide and a kind of being used for steel
The hood type automatic leveling anchor that pipe concrete arch bridge suspender is replaced and its method for suspender replacement, the hood type are embraced
Hoop formula automatic leveling anchor is simple in structure, size is smaller, and it is less to be related to mach component, and scene is not required to welding leveling
Steel case can be used in turn, easy construction, work efficiency height.
The technical solution to solve the above problems is：A kind of hood type for CFST Arch Bridge suspender replacement is adjusted automatically
Flat anchor, including：Upper beam, 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 further includes two hood type arches being mounted on CFST Arch Bridge arch
Top anchoring anti-slip system, each hood type vault anchor anti-slip system by 2 rotary hanging tools, antiskid steel case, upper beam, antiskid
Anchor ear and rubber pad composition；
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, are spelled
It is welded into steel box structure；
The upper beam is double-layer structure, is connected between the two by high-strength bolt, and the superstructure of upper beam is longitudinal
The understructure of distribution beam, upper beam is " well " word structure；
The antiskid anchor ear is two halves formula steel hoop structure, is connected by high-strength bolt and real by pre-tightening high-strength bolt
Existing antiskid；
The rotary hanging tool is the overall structure that intermediate trepanning cylinder and both ends are connected with an axis pin, 2 rotary liftings
Tool is located at upper beam both ends, will be connect with upper beam by axis pin, and adaptive realize rotatably is rotated additionally by axis pin
The leveling of suspender；
Under working condition, upper interim Suo Shangduan passes through upper beam to be anchored with stretching end anchorage I, and upper interim rope lower end, which passes through, to be turned
Beam is changed, is anchored with fixing end anchorage I；Interim Suo Shangduan sequentially passes through conversion beam, jack down, is anchored with stretching end anchorage II,
Interim rope lower end passes through lower joist to be anchored with fixing end anchorage II down, and lower joist catches suspender crossbeam lower surface；It is anti-for increasing
The rubber pad of friction coefficient is arranged between antiskid anchor ear and tubular arch side between sliding anchor ear and tubular arch, antiskid steel lower box part
Cambered surface is fixedly connected with antiskid anchor ear by weld seam, and the one side and antiskid steel case side of upper beam lower layer " well " word structure are adjacent to,
Using antiskid steel case as antiskid reaction supporting point, the another side and antiskid steel case of upper beam lower layer " well " word structure pass through high-strength spiral shell
Rockbolt connects.
Relevant another technical solution is：A kind of method of steel pipe arch bridge suspender replacement, it is using the above-mentioned use of the present invention
In CFST Arch Bridge suspender replacement hood type automatic leveling anchor be used for steel pipe arch bridge suspender replacement method, it
Include the following steps：
A, hood type automatic leveling anchor of the installation for CFST Arch Bridge suspender replacement：
This is used for hood type automatic leveling anchor upper beam, the stretching end anchorage of CFST Arch Bridge suspender replacement
I, upper 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 vaults being mounted on CFST Arch Bridge arch anchor anti-slip system；Each hood type vault anchoring antiskid system
System is made of 2 rotary hanging tools, antiskid steel case, upper beam, antiskid anchor ear and rubber pad；
A1, it is longitudinally asymmetric on tubular arch one hood type vault be installed respectively in former sunpender anchor anti-slip system, often
A hood type vault anchoring anti-slip system is made of 2 rotary hanging tools, antiskid steel case, upper beam, antiskid anchor ear and rubber pad；
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, are spelled
It is welded into steel box structure；
The upper beam is double-layer structure, is connected between the two by high-strength bolt, and the superstructure of upper beam is longitudinal
The understructure of distribution beam, upper beam is " well " word structure；
The antiskid anchor ear is two halves formula steel hoop structure, is connected by high-strength bolt and real by pre-tightening high-strength bolt
Existing antiskid；
The rotary hanging tool is the overall structure that intermediate trepanning cylinder and both ends are connected with an axis pin, 2 rotary liftings
Tool is located at upper beam both ends, will be connect with upper beam by axis pin, and adaptive realize rotatably is rotated additionally by axis pin
The leveling of suspender；
Bar lazy halyard is changed in A2, installation --- upper interim rope and lower interim rope：
Upper interim Suo Shangduan is anchored across upper beam stretching end anchorage I, upper interim rope lower end passes through conversion beam, with admittedly
Fixed end anchorage I anchors；Interim Suo Shangduan sequentially passes through conversion beam, jack down, is anchored with stretching end anchorage II, under lower interim rope
End is anchored across lower joist fixing end anchorage II, and lower joist catches suspender crossbeam lower surface；For increasing antiskid anchor ear and steel
The rubber pad of friction coefficient is arranged between antiskid anchor ear and tubular arch side between pipeline overhead lifting, antiskid steel lower box part cambered surface and antiskid
Anchor ear is fixedly connected by weld seam, and the one side and antiskid steel case side of upper beam lower layer " well " word structure are adjacent to, with antiskid steel case
Another side for antiskid reaction supporting point, upper beam lower layer " well " word structure is bolted with antiskid steel case by high-strength bolt；
A3, the connection safety for checking each component of hood type automatic leveling anchor and stabilization hold lotus ability：
By driving interim rope under jack tension slowly to carry out examination tensioning step by step, hood type automatic leveling anchoring dress is checked
The connection safety and stabilization for setting each component hold lotus ability；
B, it removes former sunpender, complete conversion of the Suo Li systems to hood type automatic leveling anchor：
When former sunpender is formally removed, former sunpender steel wire is cut off step by step, interim rope under synchronous tensioning step by step, realization will be former
Old suspender force is converted to hood type automatic leveling anchor, and Suo Li system transforms are completed；Suo Li transfer processes bridge floor step by step
Absolute altitude variation control is within ± 5mm, and after former sunpender cut-out, interim rope under anchoring removes former sunpender later；
C, new sunpender is installed, complete conversion of the Suo Li systems to new sunpender：
New sunpender is installed to finish, step by step the new sunpender of tensioning, it is synchronous put step by step under interim rope, realization adjusts hood type automatically
Flat anchor Suo Li is converted to new sunpender, completes Suo Li system transforms, step by step Suo Li transfer processes floor elevation variation control
Within ± 5mm, new suspender tension in place after, pass through anchor head nut and anchor new sunpender；
D, hood type automatic leveling anchor is removed, is transferred at next former sunpender；
E, every suspender replacement repeats step A~step D, completes other suspender replacements.
Due to the adoption of the above technical scheme, the hood type for CFST Arch Bridge suspender replacement of 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 stress shadow
Sound is smaller：
There are one installations for the hood type automatic leveling anchor for CFST Arch Bridge suspender replacement of the present invention
Hood type vault on CFST Arch Bridge arch anchors anti-slip system, which anchors anti-slip system by rotary
Suspender, antiskid steel case, upper beam, antiskid anchor ear and rubber pad composition；By pre-tightening antiskid anchor ear high-strength bolt to realize on arch
Antiskid is anchored, additionally by the adaptive leveling for realizing rotary hanging tool of axis pin rotation of rotary hanging tool.
The hood type automatic leveling anchor for CFST Arch Bridge suspender replacement of the present invention is used for sunpender
When replacement, anti-slip system is anchored using the hood type being arranged on arch, is connect with bridge floor conversion beam by upper interim rope, suspender crossbeam
Lower setting subiculum beam, is connect by lower interim rope with bridge floor conversion beam, and by the jack on tensioning bridge floor conversion beam, realization is hung
Bar Suo Li conversions；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 it is fast that construction peace tears progress open, not damaged to former steel tube arch rib and application, is convenient for standard
Change construction.
2. simple in structure, construction cost is low：
The hood type automatic leveling anchor for CFST Arch Bridge suspender replacement of the present invention is used and is mounted on
Hood type vault on steel pipe truss concrete arch bridge arch anchors anti-slip system, and rubber pad is arranged in antiskid anchor ear and tubular arch side
Between face, with antiskid anchor ear by solder design, upper beam is bolted with antiskid steel case by high-strength bolt, will be rotated antiskid steel case
Formula suspender is mounted on upper beam both ends, you can realizes the upper suspender automatic leveling of arch；
1. relative to " a kind of towed tool derrick rig for steel pipe truss concrete arch-type bridge suspender replacement ", " one
The frictional anchoring suspender replacement device of kind traction ", apparatus of the present invention need not pass through setting draft gear, adjustable screw, walking
Mechanism, levelling mechanism encircle upper antiskid and leveling to realize jointly, need not also be filled by setting hauling rope, horseback riding type friction anchoring
Set, rotary type suspender encircles upper antiskid and leveling to realize jointly, need not also replace at boom location, take be moved to every time
The device of welding leveling different angle is connect with vault realizes leveling；Only by setting hood type automatic leveling anchor,
Rotary hanging tool encircles upper antiskid and leveling to realize jointly, and structure is simpler, size is smaller, and it is less to be related to mach component,
Manufacturing cost is relatively low, not damaged to former steel tube arch rib and application, is convenient for standardized construction.
2. relative to " Patent No. 201610664498.0, denomination of invention《More for steel pipe truss concrete arch-type bridge sunpender
The hood type tool derrick rig changed》For, structure of the invention is simpler, size is smaller, and it is less to be related to mach component, system
It causes relatively low：
《Hood type tool derrick rig for steel pipe truss concrete arch-type bridge suspender replacement》Except including upper beam, tensioning
Hold anchorage, upper and lower interim rope, conversion beam outside fixing end anchorage and lower joist, further includes by bolt, suspender belt, anchoring anchor ear, adjusts
The hood type vault anchoring anti-slip system of flat steel case, upper beam, antiskid rope and antiskid anchor ear composition, anchoring anchor ear one end, which passes through, inserts
Pin, suspender belt are anchored at canoe on steel pipe truss arch ring, and one end of antiskid rope is fixedly connected with anchoring anchor ear bottom, is another
End is fixedly connected with antiskid anchor ear bottom；Pass through between the antiskid anchor ear and anchoring anchor ear of hood type vault anchoring anti-slip system
Steel strand wires or push-and-pull rod connection, vault leveling pass through leveling steel case leveling；
And the present invention is without being respectively set anchoring anchor ear and antiskid anchor ear；It need to only be arranged by rotary hanging tool in vault, resist
Sliding steel case, upper beam, antiskid anchor ear and rubber pad composition hood type vault anchor anti-slip system, and vault leveling passes through rotary type
Suspender realizes automatic leveling；Reduce leveling steel case, anchoring anchor ear, suspender belt and the steel for connecting antiskid anchor ear with anchoring anchor ear
The parts such as twisted wire or push-and-pull rod, structure are simpler；
Secondly, scene of the present invention is not required to welding leveling steel case, can be used in turn, easy construction, work efficiency height.
Due to the above feature, the present invention is used for the hood type automatic leveling anchor of CFST Arch Bridge suspender replacement
And its method for suspender replacement can be suitably used for the old suspender replacement of various arch bridges, and it is applied widely, there is preferably society's warp
Ji benefit.
In the following, automatic to the hood type for CFST Arch Bridge suspender replacement of the present invention in conjunction with the accompanying drawings and embodiments
Leveling anchor and its technical characteristic of method for suspender replacement are further described.
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 status diagram；
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 signal of the hood type automatic leveling anchor for CFST Arch Bridge suspender replacement
Figure；
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 anti-slip system structural schematic diagram of arch；
Fig. 8：Antiskid steel case, antiskid hooping structure and assembling schematic diagram；
Fig. 9：Upper beam structural schematic diagram；
Figure 10：Rotary hanging tool structural schematic diagram.
In figure：
1- upper beams, the upper layer of 101- upper beams, the lower layer of 102- upper beams, 2- rotary hanging tools, 3- antiskid steel casees, 4-
Upper interim rope, 5- stretching ends anchorage I, 6- tubular archs, 7- antiskid anchor ears, 8- rubber pads, interim rope under 9-, 10- stretching end anchorages
II, 11- jack, 12- conversion beams, 13- fixing ends anchorage I, joist under 14-, 15- fixing ends anchorage II, 16- suspender crossbeams,
The former sunpenders of 17-.
Specific implementation mode
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：Upper beam 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 and fixing end anchorage II 15 with
And two hood type vaults being mounted on CFST Arch Bridge arch anchor anti-slip system, each hood type vault anchors antiskid
System is made of 2 rotary hanging tools 2, antiskid steel case 3, upper beam 1, antiskid anchor ear 7 and rubber pad 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,
It is welded into steel box structure（Referring to Fig. 7, Fig. 8）；
The upper beam 1 is double-layer structure, is connected between the two by high-strength bolt, 101 structure of upper layer of upper beam
102 structure of lower layer for longitudinal distribution beam, upper beam 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 real by pre-tightening high-strength bolt
Existing antiskid（Referring to Fig. 7）；
The rubber pad 8 is mounted between antiskid anchor ear and tubular arch, increases friction coefficient between the two；
The rotary hanging tool 2 is the overall structure that intermediate trepanning cylinder and both ends are connected with an axis pin, 2 rotary liftings
Tool 2 is located at 1 both ends of upper beam, will be connect with upper beam 1 by axis pin, and rotating adaptive realize additionally by axis pin rotates
The leveling of formula suspender（Referring to Figure 10）；
Under working condition, upper 4 upper end of interim rope passes through upper beam 1 to be anchored with stretching end anchorage I 5, and upper 4 lower end of interim rope is worn
Conversion beam 12 is crossed, is anchored with fixing end anchorage I 13；9 upper end of interim rope sequentially passes through conversion beam 12, jack 11 down, uses tensioning
Anchorage II 10 is held to anchor, lower 9 lower end of interim rope passes through lower joist 14 to be anchored with fixing end anchorage II 15, and lower joist 14 catches sunpender
16 lower surface of crossbeam；For increase friction coefficient between antiskid anchor ear 7 and tubular arch rubber pad 8 be arranged antiskid anchor ear 7 with
Between 6 side of tubular arch, 3 lower part cambered surface of antiskid steel case is fixedly connected with antiskid anchor ear 7 by weld seam, 1 lower layer of upper beam " well "
One side of word structure is adjacent to 3 side of antiskid steel case, with antiskid steel case 3 for antiskid reaction supporting point, 1 lower layer of upper beam " well "
The another side of word 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 to use to be used for CFST Arch Bridge sunpender described in embodiment one
The method that the hood type automatic leveling anchor of replacement realizes steel pipe arch bridge suspender replacement, it includes the following steps：
A, hood type automatic leveling anchor of the installation for CFST Arch Bridge suspender replacement：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, this is used for the hood type of CFST Arch Bridge suspender replacement certainly
Dynamic leveling anchor upper beam 1, stretching end anchorage I 5, upper interim rope 4, stretching end anchorage II 10, conversion beam 12, fixing end anchor
Have I 13, lower interim rope 9, lower joist 14 and fixing end anchorage II 15 and two are mounted on embracing on CFST Arch Bridge arch
Hoop formula vault anchors anti-slip system, each hood type vault anchoring anti-slip system by 2 rotary hanging tools 2, antiskid steel case 3, on
Crossbeam 1, antiskid anchor ear 7 and rubber pad 8 form；
A1, it is longitudinally asymmetric on tubular arch 6 hood type vault be installed respectively in former sunpender 17 anchor anti-slip system,
The hood type vault anchors anti-slip system by 8 groups of rotary hanging tool 2, antiskid steel case 3, upper beam 1, antiskid anchor ear 7 and rubber pad
At；
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,
It is welded into steel box structure（Referring to Fig. 7, Fig. 8）；
The upper beam 1 is double-layer structure, is connected between the two by high-strength bolt, the upper layer 101 of upper beam is vertical
To distribution beam, 102 structure of lower layer of upper beam 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 real by pre-tightening high-strength bolt
Existing antiskid（Referring to Fig. 7）；
The rotary hanging tool 2 is the overall structure that intermediate trepanning cylinder and both ends are connected with an axis pin, 2 rotary liftings
Tool 2 is located at 1 both ends of upper beam, will be connect with upper beam 1 by axis pin, and rotating adaptive realize additionally by axis pin rotates
The leveling of formula suspender（Referring to Figure 10）；
Bar lazy halyard is changed in A2, installation --- upper interim rope 4 and lower interim rope 9：
The stretching end anchorage I 5 of upper beam 1 is passed through to anchor upper 4 upper end of interim rope, upper 4 lower end of interim rope passes through conversion beam
12, it is anchored with fixing end anchorage I 13；9 upper end of interim rope sequentially passes through conversion beam 12, jack 11 down, with stretching end anchorage II
10 anchorings, lower 9 lower end of interim rope pass through lower joist 14 to be anchored with fixing end anchorage II 15, and lower joist 14 is caught under suspender crossbeam 16
Surface；Rubber pad 8 for increasing friction coefficient between antiskid anchor ear 7 and tubular arch is arranged in antiskid anchor ear 7 and 6 side of tubular arch
Between face, 3 lower part cambered surface of antiskid steel case is fixedly connected with antiskid anchor ear 7 by weld seam, 1 lower layer of upper beam " well " word structure
It is adjacent on one side with 3 side of antiskid steel case, with antiskid steel case 3 for antiskid reaction supporting point, 1 lower layer of upper beam " well " word structure
Another side is bolted with antiskid steel case 3 by high-strength bolt；
A3, the connection safety for checking each component of hood type automatic leveling anchor and stabilization hold lotus ability：
By driving interim rope 9 under 11 tensioning of jack slowly to carry out examination tensioning step by step, hood type automatic leveling anchor is checked
It is fixedly mounted with the connection safety for setting each component and stabilization holds lotus ability；
B, it removes former sunpender, complete conversion of the Suo Li systems to hood type automatic leveling anchor：
When former sunpender 17 is formally removed, 17 steel wire of former sunpender is cut off step by step, interim rope 9, real under synchronous tensioning step by step
Now former suspender force is converted to hood type automatic leveling anchor, completes Suo Li system transforms；Suo Li is converted step by step
The variation control of journey floor elevation is within ± 5mm, and after former sunpender 17 is cut off, interim rope 9 under anchoring removes former sunpender later
17；
C, new sunpender is installed, complete conversion of the Suo Li systems to new sunpender：
New sunpender is installed to finish, step by step the new sunpender of tensioning, it is synchronous put step by step under interim rope 9, realize hood type is automatic
Leveling anchor Suo Li is converted to new sunpender, completes Suo Li system transforms, step by step Suo Li transfer processes floor elevation variation control
System within ± 5mm, new suspender tension in place after, pass through anchor head nut and anchor new sunpender；
D, hood type automatic leveling anchor is removed, is transferred at next former sunpender；
E, every suspender replacement repeats step A~step D, completes other suspender replacements.
Claims (2)
1. a kind of hood type automatic leveling anchor for CFST Arch Bridge suspender replacement, including：Upper beam（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 further includes two hood type vault anchors being mounted on CFST Arch Bridge arch
Gu anti-slip system, each hood type vault anchors anti-slip system by 2 rotary hanging tools（2）, antiskid steel case（3）, upper beam
（1）, antiskid anchor ear（7）And rubber pad（8）Composition；
The antiskid steel case（3）Two sides be rectangular steel plates, another two sides are shape of a saddle steel plate, top surface is rectangular steel plates, spell
It is welded into steel box structure；
The upper beam（1）It for double-layer structure, is connected between the two by high-strength bolt, the upper layer of upper beam（101）Structure
For longitudinal distribution beam, the lower layer of upper beam（102）Structure is " well " word structure；
The antiskid anchor ear（7）For two halves formula steel hoop structure, is connected by high-strength bolt and realized by pre-tightening high-strength bolt
Antiskid；
The rotary hanging tool（2）The overall structure of an axis pin, 2 rotary hanging tools are connected with for intermediate trepanning cylinder and both ends
（2）It is located at upper beam（1）Both ends, will be with upper beam by axis pin（1）Connection rotates adaptive realize additionally by axis pin
The leveling of rotary hanging tool；
Under working condition, upper interim rope（4）Upper end passes through upper beam（1）With stretching end anchorage I（5）Anchoring, upper interim rope（4）Under
End is across 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 suspender crossbeam（16）Lower surface；For increasing antiskid anchor ear（7）The friction coefficient between tubular arch
Rubber pad（8）It is arranged in antiskid anchor ear（7）With tubular arch（6）Between side, antiskid steel case（3）Lower part cambered surface and antiskid anchor ear
（7）It is fixedly connected by weld seam, upper beam（1）One side of lower layer " well " word structure and antiskid steel case（3）Side is adjacent to, with anti-
Sliding steel case（3）For antiskid reaction supporting point, upper beam（1）The another side of lower layer " well " word structure and antiskid steel case（3）Pass through height
Strong screw rod bolt.
2. a kind of method of steel pipe arch bridge suspender replacement, it is to use to be used for CFST Arch Bridge sunpender described in claim 1
The method that the hood type automatic leveling anchor of replacement 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 of the installation for CFST Arch Bridge suspender replacement：
The hood type automatic leveling anchor for being used for CFST Arch Bridge suspender replacement includes upper beam（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 mounted on CFST Arch Bridge arch
Anti-slip system；Each hood type vault anchors anti-slip system by 2 rotary hanging tools（2）, antiskid steel case（3）, upper beam（1）、
Antiskid anchor ear（7）And rubber pad（8）Composition；
A1, in tubular arch（6）It is upper longitudinally asymmetric in former sunpender（17）One hood type vault is installed respectively and anchors anti-slip system,
Each hood type vault anchors anti-slip system by 2 rotary hanging tools（2）, antiskid steel case（3）, upper beam（1）, antiskid anchor ear
（7）And rubber pad（8）Composition；
The antiskid steel case（3）Two sides be rectangular steel plates, another two sides are shape of a saddle steel plate, top surface is rectangular steel plates, spell
It is welded into steel box structure；
The upper beam（1）It for double-layer structure, is connected between the two by high-strength bolt, the upper layer of upper beam（101）Structure
For longitudinal distribution beam, the lower layer of upper beam（102）Structure is " well " word structure；
The antiskid anchor ear（7）For two halves formula steel hoop structure, is connected by high-strength bolt and realized by pre-tightening high-strength bolt
Antiskid；
The rotary hanging tool（2）The overall structure of an axis pin, 2 rotary hanging tools are connected with for intermediate trepanning cylinder and both ends
（2）It is located at upper beam（1）Both ends, will be with upper beam by axis pin（1）Connection rotates adaptive realize additionally by axis 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 upper beam（1）With stretching end anchorage I（5）Anchoring, upper interim rope（4）Lower end, which passes through, to be turned
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 suspender crossbeam（16）Lower surface；For increasing antiskid anchor ear（7）The rubber of friction coefficient between tubular arch
Pad（8）Mounted on antiskid anchor ear（7）With tubular arch（6）Between side, antiskid steel case（3）Lower part cambered surface and antiskid anchor ear（7）It is logical
It crosses weld seam to be fixedly connected, upper beam（1）One side of lower layer " well " word structure and antiskid steel case（3）Side is adjacent to, with antiskid steel case
（3）For antiskid reaction supporting point, upper beam（1）The another side of lower layer " well " word structure and antiskid steel case（3）Pass through high-strength bolt
Bolt；
A3, the connection safety for checking each component of hood type 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 for setting each component and stabilization holds lotus ability；
B, it removes former sunpender, complete conversion of the Suo Li systems to hood type automatic leveling anchor：
Former sunpender（17）When formal dismounting, former sunpender is cut off step by step（17）Steel wire, interim rope under synchronous tensioning step by step（9）,
It realizes and converts former suspender force to hood type automatic leveling anchor, complete Suo Li system transforms；Suo Li is converted step by step
The variation control of process floor elevation is within ± 5mm, former sunpender（17）After cut-out, interim rope under anchoring（9）, remove later former
Old sunpender（17）；
C, new sunpender is installed, complete conversion of the Suo Li systems to new sunpender：
New sunpender is installed to finish, step by step the new sunpender of tensioning, it is synchronous put step by step under interim rope（9）, realize and adjust hood type automatically
Flat anchor Suo Li is converted to new sunpender, completes Suo Li system transforms, step by step Suo Li transfer processes floor elevation variation control
Within ± 5mm, new suspender tension in place after, pass through anchor head nut and anchor new sunpender；
D, hood type automatic leveling anchor is removed, is transferred at next former sunpender；
E, every suspender replacement repeats step A~step D, completes other suspender replacements.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| 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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