CN105401532B - Device for replacing traction friction type anchoring hanger rod and method for replacing steel tube arch bridge hanger rod by using device - Google Patents
Device for replacing traction friction type anchoring hanger rod and method for replacing steel tube arch bridge hanger rod by using device Download PDFInfo
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- CN105401532B CN105401532B CN201510937492.1A CN201510937492A CN105401532B CN 105401532 B CN105401532 B CN 105401532B CN 201510937492 A CN201510937492 A CN 201510937492A CN 105401532 B CN105401532 B CN 105401532B
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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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Abstract
The invention discloses a device for replacing a traction friction type anchoring hanger rod. The device comprises a fixed end anchoring tool, a stretching end anchoring tool, an upper transfer girder, upper and lower steel strands, a lower supporting beam, and a traction friction anchored type arch top anchoring skid resisting system which is mounted on an arch of an arch bridge, wherein the arch top anchoring skid resisting system comprises a friction anchoring device I consisting of two groups of upper and lower riding type clamping devices I and two pull rods I, and a friction anchoring device II consisting of two upper and lower riding type clamping devices II and two pull rods II; the two ends of a pulling cable are respectively anchored on the upper riding type clamping devices I or the upper riding type clamping devices II; a pulling jack is driven to stretch the pulling cable to realize skid resistance of the traction type arch top friction anchoring skid resisting system; four rotary lifting tools for levelling are respectively positioned at the two ends of the two upper riding type clamping devices I and the two upper riding type clamping devices II and rotate through pin shafts so as to adaptively realize levelling of the lifting tools; according to the device, small influences are caused to stress of an original structure during a cable force transfer process of hanger rod replacing; convenience is provided for standard construction; high work efficiency is realized.
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 for steel pipe arch bridge suspender replacement.
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 arrange 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：The A of CN 102926332, 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 remained 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.
The content of the invention
It is an object of the invention to provide a kind of traction friction-type for CFST Arch Bridge suspender replacement anchors suspension rod
Replacing device and its method for steel pipe arch bridge suspender replacement, the traction friction-type anchors suspender replacement device in suspension rod
In changing Suo Li transformation processs, do not change original structure stress system, less to original structure stressing influence, manual work intensity is little,
Construction peace tears progress open soon, and to former steel tube arch rib and application not damaged, transfer is not required to large-scale lifting appliance, is easy to standardized construction,
Work efficiency is high, and construction cost is less, to solve the problems referred to above of prior art presence.
The technical scheme for solving the above problems is：One kind traction friction-type anchoring suspender replacement device, including steel strand wires
Rope fixing end anchorage I, II, III, steel strand wires cable stretching end anchorage I, II, and upper conversion beam, upper steel strand wires rope, lower steel strand wires rope
With lower joist, it is characterised in that：The traction friction-type anchoring suspender replacement device also includes one and is arranged on concrete filled steel tube
Traction friction anchoring formula vault anchoring antiskid system on arch bridge arch, traction friction anchoring formula vault anchoring antiskid system is by leading
Clamping device I, horseback riding type lower fixture I, rotation on straw line, hauling rope fixing end anchorage, hauling rope stretching end anchorage, horseback riding type
Clamping device II, horseback riding type lower fixture II, pretension screw-thread steel on rotatable suspender, pretension screw-thread steel I, pull bar I, horseback riding type
IIth, pull bar II、Rubber blanket I, rubber blanket II, pretension screw-thread steel nut and pull-rod nut constitute two groups of friction anchoring devices；
Clamping device I on two horseback riding types being placed on steel pipe vault, it is placed under two horseback riding types of steel pipe intrados and presss from both sides
Tight device I constitutes friction anchoring device I by 4 pretension screw-thread steels I, pretension screw-thread steel nut, 2 pull bars I and pull-rod nut；
Clamping device II on two horseback riding types being placed on steel pipe vault, two horseback riding type lower fixtures II for being placed in steel pipe intrados
Friction anchoring device II is constituted by 4 pretension screw-thread steels II, pretension screw-thread steel nut, 2 pull bars II and pull-rod nut；
On horseback riding type between clamping device I and tubular arch top surface and on horseback riding type between clamping device II and tubular arch top surface or
It is provided between horseback riding type lower fixture I and tubular arch top surface and between horseback riding type lower fixture II and steel pipe intrados
For increasing the rubber blanket I of coefficient of friction between the two；The rubber blanket II for playing position-limiting action is arranged on pretension screw-thread steel or pretension
Between screw-thread steel and tubular arch side；
One end of hauling rope is anchored on the horseback riding type of the side of friction anchoring device I by hauling rope fixing end anchorage and is clamped
On device I, the other end of hauling rope is anchored at friction anchoring device II and fills against friction anchoring by hauling rope stretching end anchorage
Put on the horseback riding type of I side on clamping device II, drive traction jack tension hauling rope to realize traction friction anchoring formula vault
The antiskid of anchoring antiskid system；
4 rotary hanging tools for playing leveling effect are located at respectively on two horseback riding types folder on I, two horseback riding types of clamping device
The tight two ends of device II, rotary hanging tool is connected respectively by columned bearing pin with clamping device on two horseback riding types, and is passed through
Bearing pin rotates the leveling that self adaptation realizes rotary hanging tool；
Under working condition, 4 upper steel strand wires rope upper ends are each passed through rotary hanging tool, with steel strand wires rope fixing end anchorage I
Anchoring, the lower end of 4 upper steel strand wires ropes anchors through upper conversion beam steel strand wires rope fixing end anchorage II, lower steel strand wires rope upper end
Sequentially pass through conversion beam, stretch-draw jack and use steel strand wires cable stretching end anchorage I, the anchor of steel strand wires cable stretching end anchorage II respectively
Gu, the lower end of lower steel strand wires rope anchors through lower joist steel strand wires rope fixing end anchorage III；Lower joist is caught under suspension rod crossbeam
Surface.
Related another technical scheme is：A kind of method of steel pipe arch bridge suspender replacement, it is led using the present invention is above-mentioned
Draw the method that friction-type anchoring suspender replacement device is used for steel pipe arch bridge suspender replacement, it comprises the steps：
A, installation traction friction-type anchoring suspender replacement device：
It is A1, longitudinally asymmetric in former hanger erection traction friction anchoring formula vault anchoring antiskid system on tubular arch：
The traction friction anchoring formula vault anchoring antiskid system is by hauling rope, hauling rope fixing end anchorage, traction cable stretching
End anchorage, clamping device I on horseback riding type, horseback riding type lower fixture I, rotary hanging tool, pretension screw-thread steel I, pull bar I, ride
Clamping device II, horseback riding type lower fixture II, pretension screw-thread steel II, pull bar II in formula、Rubber blanket I, rubber blanket II, pretension spiral shell
Stricture of vagina steel nut and pull-rod nut assembling are constituted；
Clamping device I on two horseback riding types is placed on steel pipe vault, two horseback riding type lower fixtures I are placed in tubular arch
Bottom surface, by 4 pretension screw-thread steels I, pretension screw-thread steel nut, 2 pull bars I and pull-rod nut friction anchoring device I is constituted；Will
Clamping device II is placed on steel pipe vault on two horseback riding types, two horseback riding type lower fixtures II are placed in steel pipe intrados, is led to
Cross 4 pretension screw-thread steels II, pretension screw-thread steel nut, 2 pull bars II and pull-rod nut composition friction anchoring device II；Riding
Between clamping device II and tubular arch top surface or riding between clamping device I and tubular arch top surface and on horseback riding type in formula
Install for increasing between formula lower fixture I and tubular arch top surface and between horseback riding type lower fixture II and steel pipe intrados
The rubber blanket I of big coefficient of friction between the two；The rubber blanket II for playing position-limiting action is arranged on pretension screw-thread steel or pretension screw-thread steel
Between tubular arch side；
One end of hauling rope is anchored on the horseback riding type of the side of friction anchoring device I by hauling rope fixing end anchorage and is clamped
On device I, the other end of hauling rope is anchored at friction anchoring device II and fills against friction anchoring by hauling rope stretching end anchorage
Put on the horseback riding type of I side on clamping device II, drive traction jack tension hauling rope to realize traction friction anchoring formula vault
The antiskid of anchoring antiskid system；
A2, device for installing and leveling：
4 rotary hanging tools for playing leveling effect are separately mounted to into I, two horseback riding types of clamping device on two horseback riding types
The two ends of upper clamping device II, are connected rotary hanging tool with clamping device on horseback riding type by columned bearing pin respectively, and are led to
Cross bearing pin and rotate the leveling that self adaptation realizes rotary hanging tool；
Bar lazy halyard is changed in A3, installation --- upper steel strand wires rope and lower steel strand wires rope：
Upper steel strand wires rope upper end is passed through into rotary hanging tool, is anchored with steel strand wires rope fixing end anchorage I, upper steel strand wires rope
Lower end anchors through upper conversion beam steel strand wires rope fixing end anchorage II, and lower steel strand wires rope upper end sequentially passes through conversion beam, opens
Jack is drawn to be anchored with steel strand wires cable stretching end anchorage I or steel strand wires cable stretching end anchorage II respectively, the lower end of lower steel strand wires rope
Anchor through lower joist steel strand wires rope fixing end anchorage III；Lower joist catches suspension rod crossbeam lower surface；
A4, inspection traction friction-type anchor the connection safety of each component of suspender replacement device and stably hold lotus energy
Power：
Steel strand wires slowly carry out step by step examination tensioning under by driving stretch-draw jack tensioning, check that traction friction-type anchoring is hung
The connection safety of each component of bar replacing device and stably hold lotus ability；
B, remove former suspension rod, complete the conversion that Suo Li systems anchor suspender replacement device to traction friction-type：
Cut off former suspension rod steel wire step by step, steel strand wires under synchronous tensioning step by step are realized former suspender force being changed to leading
Draw friction-type anchoring suspender replacement device, complete Suo Li system transforms；Suo Li transformation processs floor elevation change control step by step
Within ± 5mm, after former suspension rod cut-out, the lower steel strand wires of anchoring remove afterwards former suspension rod；
C, new suspension rod is installed, Suo Li systems is completed to the conversion of new suspension rod：
New hanger erection is finished, step by step the new suspension rod of tensioning, synchronous to put a lower steel strand wires step by step, and realizing will traction friction-type anchor
Gu suspender replacement device Suo Li is changed to new suspension rod, Suo Li system transforms are completed, step by step Suo Li transformation processs floor elevation becomes
Change control within ± 5mm, new suspender tension in place after, new suspension rod is anchored by anchor head nut；
D, dismounting traction friction-type anchoring suspender replacement device, are transferred at next old suspension rod；
E, every suspender replacement repeat step A～step D, complete other suspender replacements.
Because the traction friction-type for adopting above-mentioned technical proposal, the present invention anchors suspender replacement device and its for steel pipe
The method that arch bridge suspender is changed has the advantages that：
First, the device does not change original structure stress system in suspender replacement Suo Li transformation processs, to original structure stress shadow
Sound is less：
Concrete-filled steel tube arch is arranged on because the traction friction-type anchoring suspender replacement device of the present invention also includes one
Traction friction anchoring formula vault anchoring antiskid system on bridge arch,
The traction friction anchoring formula vault anchoring antiskid system is by hauling rope 9, hauling rope fixing end anchorage 27, hauling rope
Clamping device I 1, horseback riding type lower fixture I 2, rotary hanging tool 4, pretension screw-thread steel I 3, drawing on pull end anchorage 28, horseback riding type
Clamping device II 10, horseback riding type lower fixture II 11, pretension screw-thread steel II 12, pull bar II 13 on bar I 8, horseback riding type、Rubber blanket
I 6, rubber blanket II 7, pretension screw-thread steel nut 25 and pull-rod nut 26 assembling constitutes two groups of friction anchoring devices（Referring to Fig. 3,
4）；
Clamping device I 1 on two horseback riding types is placed in tubular arch 14 is pushed up, two horseback riding type lower fixtures I 2 are placed in steel
The bottom surface of pipeline overhead lifting 14, is rubbed by 4 pretension screw-thread steels I 3,25,2 pull bars I 8 of pretension screw-thread steel nut and pull-rod nut 26 composition
Anchor I；By clamping device II 10 on two horseback riding types be placed in tubular arch 14 push up, two horseback riding type lower fixtures II 11
The bottom surface of tubular arch 14 is placed in, by 4 pretension screw-thread steels II 12, pretension screw-thread steel nut 25,2 pull bars II 13 and pull-rod nuts
26 composition friction anchoring devices II；On clamping device I, horseback riding type on horseback riding type between clamping device II and tubular arch top surface or
It is to install between horseback riding type lower fixture I, horseback riding type lower fixture II and steel pipe intrados for increase between the two
The rubber blanket I 6 of coefficient of friction；The rubber blanket II 7 for playing position-limiting action is arranged on pretension screw-thread steel or pretension screw-thread steel and tubular arch
Between side；
One end of hauling rope 9 is anchored on the horseback riding type of the side of friction anchoring device I by hauling rope fixing end anchorage 27
On clamping device I 1, the other end of hauling rope is anchored at friction anchoring device II against friction by hauling rope stretching end anchorage 28
On the horseback riding type of the side of anchor I on clamping device II 10, the traction tensioning hauling rope 9 of jack 30 is driven to realize towed arch
The antiskid of top friction anchoring antiskid system；
Therefore, apparatus of the present invention do not change original structure stress system, to original structure in suspender replacement Suo Li transformation processs
Stressing influence is less；Transfer is not required to large-scale lifting appliance, can draw steel strand wires movement, manual work intensity by traction jack
Little, work efficiency is high, and construction peace tears progress open soon, and construction cost is less.
2nd, it is easy to standardized construction, work efficiency is high, and construction cost is low：
The traction friction-type anchoring suspender replacement device of the present invention has 4 rotary hanging tools 4 for playing leveling effect, described
Rotary hanging tool 4 be located at horseback riding type on the two ends of clamping device 1, the two is connected by columned bearing pin, by cylindric
Bearing pin rotate self adaptation and realize the leveling of suspender；Therefore, apparatus of the present invention are being moved to every time at replacing boom location, are not required to
The device for taking welding leveling difference angle is connected with vault, can rotate self adaptation leveling by columned bearing pin；To raw steel
Pipeline overhead lifting rib and application not damaged, work efficiency is high, and construction cost is low.
Below, in conjunction with the accompanying drawings and embodiments to the traction friction-type anchoring suspender replacement device and its for steel of the present invention
The technical characteristic of the method that pipe arch bridge suspender is changed is further described.
Description of the drawings
Fig. 1：The traction friction-type of the present invention anchors the overall structure diagram of suspender replacement device；
Fig. 2：The side view of Fig. 1；
Fig. 3：Traction friction-type anchoring suspender replacement device assembling schematic diagram（Axonometric chart）；
Fig. 4：Traction friction-type anchors the transverse views of suspender replacement device（The QY directions view of Fig. 3）；
Fig. 5：One of part partial enlarged drawing on the arch of traction friction-type anchoring suspender replacement device（The A portions local of Fig. 3
Enlarged drawing）；
Fig. 6：The two of part partial enlarged drawing on the arch of traction friction-type anchoring suspender replacement device（The B portions local of Fig. 3
Enlarged drawing）.
Fig. 7：Rotary hanging tool structural representation.
In figure：
Clamping device I, 2- horseback riding types lower fixture I, 3- pretensions screw-thread steel I, 4- rotary hanging tools, 5- on 1- horseback riding types
Upper steel strand wires rope, 6- rubber blankets I, 7- rubber blankets II, 8- pull bars I, 9- hauling ropes, clamping device II on 10- horseback riding types, 11- rides
Horse formula lower fixture II, 12- pretensions screw-thread steel II, 13- pull bars II, 14- tubular archs, 15- stretch-draw jacks are changed on 16-
Beam, steel strand wires rope under 17-, joist under 18-, 19- suspension rod crossbeams, 20- steel strand wires rope fixing ends anchorage I, 21- steel strand wires Suo Gu
Fixed end anchorage II, 22- steel strand wires rope fixing ends anchorage III, 23- steel strand wires cable stretchings end anchorage I, 24- steel strand wires cable stretchings end
Anchorage II, 25- pretension screw-thread steel nuts, 26- pull-rod nuts, 27- hauling rope fixing end anchorages, 28- hauling rope stretching end anchorages,
The former suspension rods of 29-, 30- traction jack.
Arrow QY- traction friction anchoring formula vaults anchor the lead of antiskid system.
Specific embodiment
Embodiment one：
One kind traction friction-type anchoring suspender replacement device, as shown in Figure 1, 2, the traction friction-type anchoring suspender replacement
Being removed with device includes steel strand wires rope fixing end anchorage I, II, III, steel strand wires cable stretching end anchorage I, II, upper conversion beam 16, upper steel
Outside twisted wire rope 5, lower steel strand wires rope 17 and lower joist 18, also including a traction friction being arranged on CFST Arch Bridge arch
Anchoring type vault anchors antiskid system；
As shown in Figure 3, Figure 4, the traction friction anchoring formula vault anchors antiskid system by hauling rope 9, hauling rope fixing end
Clamping device I 1 on anchorage 27, hauling rope stretching end anchorage 28, horseback riding type, horseback riding type lower fixture I 2, rotary hanging tool 4,
Clamping device II 10 on pretension screw-thread steel I 3, pull bar I 8, horseback riding type, horseback riding type lower fixture II 11, pretension screw-thread steel II 12,
Pull bar II 13、Rubber blanket I 6, rubber blanket II 7, pretension screw-thread steel nut 25 and pull-rod nut 26 constitute two groups of friction anchoring devices；
It is placed in clamping device I 1 on two horseback riding types that tubular arch 14 is pushed up, is placed in two horseback riding types of the bottom surface of tubular arch 14
Lower fixture I 2 is rubbed by 4 pretension screw-thread steels I 3,25,2 pull bars I 8 of pretension screw-thread steel nut and pull-rod nut 26 composition
Wipe anchor I；It is placed in clamping device II 10 on two horseback riding types that tubular arch 14 is pushed up, is placed in two of the bottom surface of tubular arch 14
Horseback riding type lower fixture II 11 passes through 4 pretension screw-thread steels II 12, pretension screw-thread steel nut 25,2 pull bars II 13 and pull bars
The composition friction anchoring of nut 26 device II；On clamping device I, horseback riding type on horseback riding type clamping device II and tubular arch top surface it
Between or be provided between horseback riding type lower fixture I, horseback riding type lower fixture II and steel pipe intrados for increase two
The rubber blanket I 6 of coefficient of friction between person；Rise position-limiting action rubber blanket II 7 be arranged on pretension screw-thread steel or pretension screw-thread steel with
Between tubular arch side；
One end of hauling rope 9 is anchored on the horseback riding type of the side of friction anchoring device I by hauling rope fixing end anchorage 27
On clamping device I 1, the other end of hauling rope is anchored at friction anchoring device II against friction by hauling rope stretching end anchorage 28
On the horseback riding type of the side of anchor I on clamping device II 10, the traction tensioning hauling rope 9 of jack 30 is driven to realize towed arch
The antiskid of top friction anchoring antiskid system；
4 rotary hanging tools 4 for playing leveling effect are located at respectively on two horseback riding types on I 1, two horseback riding types of clamping device
The two ends of clamping device II 10, the rotary hanging tool 4 is an entirety being processed into by existing known Machining Technology
Part, is divided into three parts, and centre is the suspender body 41 of cuboid, is provided with the middle of suspender body 41 for through upper steel strand wires
The circular hole 42 of rope, the upper upper end of steel strand wires rope 5 passes through circular hole 42, and is anchored at the suspender of rotary hanging tool 4 by fixing end anchorage I 20
On body 41, respectively there is a columned bearing pin 43 both sides of 4 suspender body of rotary hanging tool 41, and rotary hanging tool 4 passes through the cylinder
The bearing pin of shape is connected with clamping device on horseback riding type, and rotates the leveling that self adaptation realizes rotary hanging tool by bearing pin（Referring to
Fig. 7）；Rotary hanging tool is connected respectively by columned bearing pin with clamping device on two horseback riding types, and is rotated by bearing pin
Self adaptation realizes the leveling of suspender；
Under working condition, 4 upper upper ends of steel strand wires rope 5 are each passed through rotary hanging tool, with steel strand wires rope fixing end anchorage I
20 anchorings, the lower end of 4 upper steel strand wires ropes 5 is anchored through upper conversion beam 16 with steel strand wires rope fixing end anchorage II 21, and lower steel is twisted
The upper end of clue 17 sequentially passes through conversion beam 16, stretch-draw jack 15 and uses steel strand wires cable stretching end anchorage I 23, steel strand wires rope respectively
Stretching end anchorage II 24 is anchored, and the lower end of lower steel strand wires rope 17 passes through the anchor of steel strand wires rope fixing end anchorage III 22 of lower joist 18
Gu；Lower joist 18 catches the lower surface of suspension rod crossbeam 19（Referring to Fig. 1～Fig. 6）.
Embodiment two：
A kind of method of steel pipe arch bridge suspender replacement, it is using traction friction-type anchoring suspender replacement described in embodiment one
The method for being used for steel pipe arch bridge suspender replacement with device, it comprises the steps：
A, installation traction friction-type anchoring suspender replacement device：（Referring to Fig. 1-Fig. 6）
A1, tubular arch 14 it is longitudinally asymmetric in former suspension rod 29 install on tubular arch 14 traction friction anchoring formula vault anchor
Gu antiskid system：
The traction friction anchoring formula vault anchoring antiskid system is by hauling rope 9, hauling rope fixing end anchorage 27, hauling rope
Clamping device I 1, horseback riding type lower fixture I 2, rotary hanging tool 4, pretension screw-thread steel I 3, drawing on pull end anchorage 28, horseback riding type
Clamping device II 10, horseback riding type lower fixture II 11, pretension screw-thread steel II 12, pull bar II 13 on bar I 8, horseback riding type、Rubber blanket
I 6, rubber blanket II 7, pretension screw-thread steel nut 25 and pull-rod nut 26 assembling is constituted；（Referring to Fig. 3,4）
Clamping device I 1 on two horseback riding types is placed in tubular arch 14 is pushed up, two horseback riding type lower fixtures I 2 are placed in steel
The bottom surface of pipeline overhead lifting 14, is rubbed by 4 pretension screw-thread steels I 3,25,2 pull bars I 8 of pretension screw-thread steel nut and pull-rod nut 26 composition
Anchor I；By clamping device II 10 on two horseback riding types be placed in tubular arch 14 push up, two horseback riding type lower fixtures II 11
The bottom surface of tubular arch 14 is placed in, by 4 pretension screw-thread steels II 12, pretension screw-thread steel nut 25,2 pull bars II 13 and pull-rod nuts
26 composition friction anchoring devices II；On clamping device I, horseback riding type on horseback riding type between clamping device II and tubular arch top surface or
It is to install between horseback riding type lower fixture I, horseback riding type lower fixture II and steel pipe intrados for increase between the two
The rubber blanket I 6 of coefficient of friction；The rubber blanket II 7 for playing position-limiting action is arranged on pretension screw-thread steel or pretension screw-thread steel and tubular arch
Between side；
One end of hauling rope 9 is anchored on the horseback riding type of the side of friction anchoring device I by hauling rope fixing end anchorage 27
On clamping device I 1, the other end of hauling rope is anchored at friction anchoring device II against friction by hauling rope stretching end anchorage 28
On the horseback riding type of the side of anchor I on clamping device II 10, the traction tensioning hauling rope 9 of jack 30 is driven to realize towed arch
The antiskid of top friction anchoring antiskid system；
A2, device for installing and leveling：
4 rotary hanging tools 4 for playing leveling effect are separately mounted to into clamping device I 1, two on two horseback riding types to ride
The two ends of clamping device II 10 in formula, are connected rotary hanging tool 4 with clamping device on horseback riding type by columned bearing pin respectively,
And the leveling that self adaptation realizes suspender is rotated by bearing pin；
Bar lazy halyard is changed in A3, installation --- upper steel strand wires rope 5 and lower steel strand wires rope 17：
The upper upper end of steel strand wires rope 5 is passed through into rotary hanging tool 4, is anchored with steel strand wires rope fixing end anchorage I 20, upper steel strand wires
The lower end of rope 5 is anchored through upper conversion beam with steel strand wires rope fixing end anchorage II 21, and the lower upper end of steel strand wires rope 17 sequentially passes through bridge
Face penetrates hole, upper conversion beam 16, stretch-draw jack 15 and uses steel strand wires cable stretching end anchorage I 23, steel strand wires cable stretching end anchor respectively
Have II 24 anchorings, the lower end of lower steel strand wires rope 17 is anchored through lower joist 18 with steel strand wires rope fixing end anchorage III 22；Lower joist
18 catch the lower surface of suspension rod crossbeam 19；（Referring to Fig. 1～Fig. 6）；
A4, inspection traction friction-type anchor the connection safety of each component of suspender replacement device and stably hold lotus energy
Power：
Steel strand wires 17 slowly carry out step by step examination tensioning under by driving the tensioning of stretch-draw jack 15, check traction friction-type anchor
It is fixedly mounted with the connection safety of putting each component and stably holds lotus ability；
B, remove former suspension rod, complete the conversion that Suo Li systems anchor suspender replacement device to traction friction-type：
The steel wire of former suspension rod 29 is cut off step by step, and steel strand wires 17 under synchronous tensioning step by step are realized the conversion of former suspender force
To traction friction-type anchoring suspender replacement device, Suo Li system transforms are completed；Suo Li transformation processs floor elevation change step by step
Within ± 5mm, after former suspension rod 29 cuts off, the lower steel strand wires 17 of anchoring remove afterwards former suspension rod 29 for control；
C, new suspension rod is installed, Suo Li systems is completed to the conversion of new suspension rod：
New hanger erection is finished, step by step the new suspension rod of tensioning, and synchronous to put a lower steel strand wires 17 step by step, realization will draw friction-type
Anchor Suo Li is changed to new suspension rod, completes Suo Li system transforms, and Suo Li transformation processs 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 traction friction-type anchoring suspender replacement device, are transferred at next old suspension rod；
E, every suspender replacement repeat step A～step D, complete other suspender replacements.
Claims (2)
1. a kind of traction friction-type anchoring suspender replacement device, including steel strand wires rope fixing end anchorage I（20）, steel strand wires Suo Gu
Fixed end anchorage II（21）, steel strand wires rope fixing end anchorage III（22）, steel strand wires cable stretching end anchorage I（23）, steel strand wires cable stretching
End anchorage II（24）, and upper conversion beam（16）, upper steel strand wires rope（5）, lower steel strand wires rope（17）With lower joist（18）, its feature
It is：The traction friction-type anchoring suspender replacement device also includes that a traction being arranged on CFST Arch Bridge arch rubs
Anchoring type vault anchoring antiskid system is wiped, the traction friction anchoring formula vault anchors antiskid system by hauling rope（9）, hauling rope it is solid
Fixed end anchorage（27）, hauling rope stretching end anchorage（28）, clamping device I on horseback riding type（1）, horseback riding type lower fixture I（2）、
Rotary hanging tool（4）, pretension screw-thread steel I（3）, pull bar I（8）, clamping device II on horseback riding type（10）, horseback riding type lower fixture
Ⅱ（11）, pretension screw-thread steel II（12）, pull bar II（13）、Rubber blanket I（6）, rubber blanket II（7）, pretension screw-thread steel nut（25）
And pull-rod nut（26）Constitute two groups of friction anchoring devices；
It is placed in tubular arch（14）Clamping device I on two horseback riding types on top（1）, be placed in tubular arch（14）Two of bottom surface ride
Formula lower fixture I（2）By 4 pretension screw-thread steels I（3）, pretension screw-thread steel nut（25）, 2 pieces pull bars I（8）With pull bar spiral shell
It is female（26）Composition friction anchoring device I；It is placed in tubular arch（14）Clamping device II on two horseback riding types on top（10）, be placed in steel
Pipeline overhead lifting（14）Two horseback riding type lower fixtures II of bottom surface（11）By 4 pretension screw-thread steels II（12）, pretension screw-thread steel spiral shell
It is female（25）, 2 pieces pull bars II（13）And pull-rod nut（26）Composition friction anchoring device II；Clamping device I and steel on horseback riding type
Between pipeline overhead lifting top surface and on horseback riding type between clamping device II and tubular arch top surface, or horseback riding type lower fixture I with
It is provided between steel pipe intrados and between horseback riding type lower fixture II and steel pipe intrados and is rubbed between the two for increase
Wipe the rubber blanket I of coefficient（6）；Play the rubber blanket II of position-limiting action（7）Installed in pretension screw-thread steel I（3）With tubular arch side it
Between or pretension screw-thread steel II（12）Between tubular arch side；
Hauling rope（9）One end pass through hauling rope fixing end anchorage（27）It is anchored on the horseback riding type of the side of friction anchoring device I
Clamping device I（1）On, the other end of hauling rope passes through hauling rope stretching end anchorage（28）It is anchored at friction anchoring device II to abut
Clamping device II on the horseback riding type of the side of friction anchoring device I（10）On, drive traction jack（30）Tensioning hauling rope（9）It is real
Now draw the antiskid that friction anchoring formula vault anchors antiskid system；
Play 4 rotary hanging tools of leveling effect（4）Clamping device I on two horseback riding types is located at respectively（1）Two ends, by cylinder
The bearing pin of shape respectively with clamping device on horseback riding type I（1）Connection, and the tune that self adaptation realizes rotary hanging tool is rotated by bearing pin
It is flat；
Under working condition, 4 upper steel strand wires ropes（5）Upper end is each passed through each rotary hanging tool, with steel strand wires rope fixing end anchorage I
（20）Anchoring, 4 upper steel strand wires ropes（5）Lower end pass through upper conversion beam（16）With steel strand wires rope fixing end anchorage II（21）Anchor
Gu, lower steel strand wires rope（17）Upper end sequentially passes through conversion beam（16）, stretch-draw jack（15）Steel strand wires cable stretching end is used respectively
Anchorage I（23）, steel strand wires cable stretching end anchorage II（24）Anchoring, lower steel strand wires rope（17）Lower end pass through lower joist（18）Use steel
Twisted wire rope fixing end anchorage III（22）Anchoring；Lower joist（18）Catch suspension rod crossbeam（19）Lower surface.
2. a kind of method of steel pipe arch bridge suspender replacement, it is using drawing friction-type anchoring suspender replacement described in claim 1
The method for being used for steel pipe arch bridge suspender replacement with device, it is characterised in that：It comprises the steps：
A, installation traction friction-type anchoring suspender replacement device：
A1, in tubular arch（14）It is upper longitudinally asymmetric in former suspension rod（29）Traction friction anchoring formula vault anchoring antiskid system is installed
System：
The traction friction anchoring formula vault anchors antiskid system by hauling rope（9）, hauling rope fixing end anchorage（27）, hauling rope
Pull end anchorage（28）, clamping device I on horseback riding type（1）, horseback riding type lower fixture I（2）, rotary hanging tool（4）, pretension screw thread
Steel I（3）, pull bar I（8）, clamping device II on horseback riding type（10）, horseback riding type lower fixture II（11）, pretension screw-thread steel II
（12）, pull bar II（13）、Rubber blanket I（6）, rubber blanket II（7）, pretension screw-thread steel nut（25）And pull-rod nut（26）Assembling structure
Into；
By clamping device I on two horseback riding types（1）It is placed in tubular arch（14）On top, two horseback riding type lower fixtures I（2）It is placed in
Tubular arch（14）Bottom surface, by 4 pretension screw-thread steels I（3）, pretension screw-thread steel nut（25）, 2 pieces pull bars I（8）And pull-rod nut
（26）Composition friction anchoring device I；By clamping device II on two horseback riding types（10）It is placed in tubular arch（14）On top, two ride
Formula lower fixture II（11）It is placed in tubular arch（14）Bottom surface, by 4 pretension screw-thread steels II（12）, pretension screw-thread steel nut
（25）, 2 pieces pull bars II（13）And pull-rod nut（26）Composition friction anchoring device II；Clamping device I and steel pipe on horseback riding type
Between vault face and on horseback riding type between clamping device II and tubular arch top surface, or in horseback riding type lower fixture I and steel
Install to be rubbed between the two for increase between pipeline overhead lifting bottom surface and between horseback riding type lower fixture II and steel pipe intrados and be
Several rubber blankets I（6）；Play the rubber blanket II of position-limiting action（7）Installed in pretension screw-thread steel I（3）Between tubular arch side or
Pretension screw-thread steel II（12）Between tubular arch side；
Hauling rope（9）One end pass through hauling rope fixing end anchorage（27）It is anchored on the horseback riding type of the side of friction anchoring device I
Clamping device I（1）On, the other end of hauling rope passes through hauling rope stretching end anchorage（28）It is anchored at friction anchoring device II to abut
Clamping device II on the horseback riding type of the side of friction anchoring device I（10）On, drive traction jack（30）Tensioning hauling rope（9）It is real
Now draw the antiskid that friction anchoring formula vault anchors antiskid system；
A2, device for installing and leveling：
4 rotary hanging tools of leveling effect will be played（4）It is separately mounted to clamping device I on two horseback riding types（1）Two ends, pass through
Columned bearing pin is by rotary hanging tool（4）Respectively with clamping device on horseback riding type I（1）Connection, and rotate adaptive by bearing pin
The leveling of rotary hanging tool should be realized；
Bar lazy halyard is changed in A3, installation --- upper steel strand wires rope（5）With lower steel strand wires rope（17）：
By upper steel strand wires rope（5）Upper end passes through rotary hanging tool（4）, with steel strand wires rope fixing end anchorage I（20）Anchoring, upper steel is twisted
Clue（5）Lower end pass through upper conversion beam steel strand wires rope fixing end anchorage II（21）Anchoring, lower steel strand wires rope（17）Upper end according to
It is secondary through upper conversion beam（16）, stretch-draw jack（15）Steel strand wires cable stretching end anchorage I is used respectively（23）, steel strand wires cable stretching end
Anchorage II（24）Anchoring, lower steel strand wires rope（17）Lower end pass through lower joist（18）With steel strand wires rope fixing end anchorage III（22）Anchor
Gu；Lower joist（18）Catch suspension rod crossbeam（19）Lower surface；
A4, inspection traction friction-type anchor the connection safety of each component of suspender replacement device and stably hold lotus ability：
By driving stretch-draw jack（15）Steel strand wires rope under tensioning（17）Examination tensioning is slowly carried out step by step, checks traction friction-type
Anchor the connection safety of each component of suspender replacement device and stably hold lotus ability；
B, remove former suspension rod, complete the conversion that Suo Li systems anchor suspender replacement device to traction friction-type：
Former suspension rod is cut off step by step（29）Steel wire, steel strand wires rope under synchronous tensioning step by step（17）, realize turning former suspender force
Shift to draw friction-type anchoring suspender replacement device, complete Suo Li system transforms；Step by step Suo Li transformation processs floor elevation becomes
Change and control within ± 5mm, former suspension rod（29）After cut-out, the lower steel strand wires rope of anchoring（17）, former suspension rod is removed afterwards（29）；
C, new suspension rod is installed, Suo Li systems is completed to the conversion of new suspension rod：
New hanger erection is finished, step by step the new suspension rod of tensioning, synchronous to put a lower steel strand wires rope step by step（17）, realization will draw friction-type
Anchoring suspender replacement device Suo Li is changed to new suspension rod, completes Suo Li system transforms, step by step Suo Li transformation processs floor elevation
Change control within ± 5mm, new suspender tension in place after, new suspension rod is anchored by anchor head nut；
D, dismounting traction friction-type anchoring suspender replacement device, are transferred at next old suspension rod；
E, every suspender replacement repeat step A～step D, complete other suspender replacements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510937492.1A CN105401532B (en) | 2015-12-16 | 2015-12-16 | Device for replacing traction friction type anchoring hanger rod and method for replacing steel tube arch bridge hanger rod by using device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510937492.1A CN105401532B (en) | 2015-12-16 | 2015-12-16 | Device for replacing traction friction type anchoring hanger rod and method for replacing steel tube arch bridge hanger rod by using device |
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| Publication Number | Publication Date |
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| CN105401532A CN105401532A (en) | 2016-03-16 |
| CN105401532B true CN105401532B (en) | 2017-05-03 |
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| CN201510937492.1A Active CN105401532B (en) | 2015-12-16 | 2015-12-16 | Device for replacing traction friction type anchoring hanger rod and method for replacing steel tube arch bridge hanger rod by using device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106087770B (en) * | 2016-08-12 | 2017-10-31 | 柳州欧维姆工程有限公司 | Hood type instrument derrick rig for steel pipe truss concrete arch-type bridge suspender replacement |
| CN106758882B (en) * | 2017-02-16 | 2018-07-27 | 柳州欧维姆工程有限公司 | For the hood type automatic leveling anchor of CFST Arch Bridge suspender replacement and its for the method for suspender replacement |
| CN106758883B (en) * | 2017-03-02 | 2018-11-02 | 柳州欧维姆工程有限公司 | The interim pocket device for hoisting of steel wire rope for steel pipe truss concrete arch-type bridge suspender replacement and its for the method for suspender replacement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1162586C (en) * | 2002-09-10 | 2004-08-18 | 同济大学 | Method for dynamic control of nondestructive replacement of tied arch bridge hanger rod |
| CN102071651B (en) * | 2010-12-15 | 2012-06-27 | 江苏法尔胜新日制铁缆索有限公司 | Sling replacement method for suspension bridge |
| CN102286942B (en) * | 2011-08-23 | 2013-03-06 | 河海大学 | Device for replacing suspenders of tied arch bridge |
| CN102926332B (en) * | 2012-11-09 | 2014-08-20 | 武汉二航路桥特种工程有限责任公司 | Derrick arrangement of tools for replacing steel arch bridge suspender and replacing method thereof |
| US8671490B1 (en) * | 2013-03-06 | 2014-03-18 | Mark Carney | Bridge span replacement system |
| CN205348010U (en) * | 2015-12-16 | 2016-06-29 | 柳州欧维姆工程有限公司 | Pull change of friction formula anchor jib and use device |
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