CN108589560A - Bridge cast steel list roller support correction restorative procedure - Google Patents
Bridge cast steel list roller support correction restorative procedure Download PDFInfo
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- CN108589560A CN108589560A CN201810301749.8A CN201810301749A CN108589560A CN 108589560 A CN108589560 A CN 108589560A CN 201810301749 A CN201810301749 A CN 201810301749A CN 108589560 A CN108589560 A CN 108589560A
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- cast steel
- steel list
- correction
- bridge
- roll shaft
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of bridge cast steel list roller support correction restorative procedures, include the following steps：S1 generally investigates the inclination angle of the cast steel list roll shaft of cast steel list roller support；S2, multiple self-locking jack are by bridge superstructure synchronization of jacking up；S3 releases limit tooth plate and limits the constraint that stiffener treats the cast steel list roller support that correction is repaired；S4, the vertical bridge of notch and lower notch is to horizontal distance, i.e. bearing correction shift value △ in measurement；S5 carries out the correction for the cast steel list roller support for waiting for that correction is repaired according to bearing correction shift value △；S6 transfers the bridge superstructure step by step；S7 welds the limit tooth plate of the cast steel list roll shaft for reparation of having rectified a deviation；S8 step by step and synchronizes the jacking load for reducing multiple self-locking jack, welded limiting stiffener.The present invention has the advantages that simplicity, safely and fast rectifies a deviation, and can be widely applied to bridge pad deviation correcting technology field.
Description
Technical field
The present invention relates to bridge pad deviation correcting technology fields.It is more particularly related to a kind of bridge cast steel list roller
Shaft stool correction restorative procedure.
Background technology
Bridge pad is one of important composition component of bridge, is played the counter-force of superstructure and displacement transfer to lower part
The effect of structure.Cast steel supporter bearing capacity is strong, adapts to the needs of displacement and the rotation of bridge.In the 1960s, rubber,
Before the rubber supports such as polyfluortetraethylene plate occur, cast steel supporter is widely used in highway and railroad bridge.Although cast steel supporter
Bearing capacity is stronger, but structure size is big, consumptive material is more, rigidity is big, power transmission drastically, be easy to cause bridge substructure damage, and
Easy-to-rust, maintenance costs are high.
With the growth of bridge service phase, there is roll shaft and tilts more serious disease in cast steel list roller support, such as not in time
It repairs, there are unstabilitys to fall beam risk.Cast steel list roller support generates the reason of tilting disease：(1) early stage construction survey low precision,
It is tilted when bearing roll shaft being caused to be installed；(2) volume of traffic increasingly increases, bridge superstructure deformed under live loading it is larger,
Hold-down support position is constant, and movable bearing support roll shaft is caused to tilt；(3) substructure deviation during bridge operation, leads to abutment roller
Axis tilts；(4) with the variation of temperature, bridge superstructure Material shrinkage or expansion, aggravate the inclined degree of bearing.
If bridge cast steel list roller support component does not damage, it is replaced with rubber support, waste of material can be caused, and cast
Steel list roller support height is high, and replacing time type need to reduce floor elevation or increase bearing pad stone, and process is complicated.If will tilt
Roll shaft correction repair, can save material, reduce cost, simplify working procedure.Currently, there is no about bridge cast steel list roll shaft branch
The research of seat correction recovery technique, how easy, repair bridge cast steel list roller support of safely and fast rectifying a deviation, which becomes, urgently to be solved
Certainly the problem of.
Invention content
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of simplicity, safely and fast bridge cast steel list roller support is rectified a deviation and is repaiied
Compound method.
These purposes and other advantages to realize the present invention provide bridge cast steel list roller support correction reparation side
Method includes the following steps：
S1 generally investigates the inclination angle of the cast steel list roll shaft of cast steel list roller support, determines the cast steel list roll shaft branch for waiting for that correction is repaired
The quantity of seat and position；
S2 fixes a self-locking jack in the position of each cast steel list roller support, and multiple self-locking jack are by bridge
Self-locking after beam superstructure synchronization of jacking up；
S3 releases limit tooth plate and limits the constraint that stiffener treats the cast steel list roller support that correction is repaired；
S4, in measurement the vertical bridge of notch and lower notch to horizontal distance, i.e. bearing correction shift value △；
S5 carries out the correction for the cast steel list roller support for waiting for that correction is repaired according to bearing correction shift value △；
S6 releases the self-locking of multiple self-locking jack, transfers the bridge superstructure step by step, and makes upper base plate and wait for
The top surface contact of the cast steel list roll shaft for the cast steel list roller support that correction is repaired, self-locking is very heavy to hold lotus；
S7 welds the limit tooth plate of the cast steel list roll shaft for reparation of having rectified a deviation；
S8 step by step and synchronizes the jacking load for reducing multiple self-locking jack, monitors the cast steel for reparation of having rectified a deviation in real time
The situation of change at the inclination angle of single roll shaft, after bridge superstructure resets, welded limiting stiffener；
Wherein, the limit tooth plate includes upper tooth plate and lower tooth plate, and the cast steel list roller support without correction includes：
Cast steel list roll shaft, is vertically arranged；The upper surface and lower face of the cast steel list roll shaft are the evagination of coaxial-symmetrical
Curved surface；
Upper base plate, level are anchored in the lower end of bridge superstructure；
Lower seat board, is horizontally fixed on relative to upper base plate on bridge pier；It is fallen on the lower face of the upper base plate and forms a pair
Upper notch be oppositely arranged and cube shape, the upper surface of the lower seat board, which is sunk, forms a pair of corresponding with upper notch and complete phase
With lower notch, be respectively arranged with upper tooth plate, the lower tooth plate coordinated with it in the upper notch, lower notch；The lower end of upper tooth plate
It is welded with the upper end of cast steel list roll shaft, the upper end of upper tooth plate is fastened in notch；The upper end of lower tooth plate and cast steel list roll shaft
Lower end is welded, and the lower end of upper tooth plate is fastened in lower notch；
Stiffener is limited, is fixed on vertically between the opposite upper tooth plate and lower tooth plate.
Preferably, upper notch is L in the upward width of vertical bridge, and when bearing rectifies a deviation shift value △ ＜ L/2, the S5 is specific
Including：
The center line for adjusting the cast steel list roll shaft for waiting for that correction is repaired is overlapped with the center line of lower notch, and tooth plate is waiting in movement
The position rectified a deviation on the cast steel list roll shaft repaired so that the upper end of upper tooth plate is fastened on notch, and the lower end of upper tooth plate just
It is welded on cast steel list roll shaft upper end.
Preferably, as L/2 ＜ △ ＜ L, the S5 is specifically included：
By the upper base plate toward waiting for that the deflection negative direction of cast steel list roll shaft that correction is repaired widens, upper base plate is repaired
Former notch forms new upper base plate；
Newly upper notch is opened up in new upper base plate lower surface, makes the center line coincidence of newly upper notch, lower notch；
By the cast steel list roll shaft arranged orthogonal for waiting for correction reparation between new upper base plate and lower seat board, make to wait for what correction was repaired
The center line of cast steel list roll shaft is overlapped with the center line of lower notch.
Preferably, when bearing rectifies a deviation shift value △ ＞ L, the S5 is specifically included：
By the upper base plate toward waiting for that the deflection negative direction of cast steel list roll shaft that correction is repaired widens, upper base plate is repaired
Former notch forms new upper base plate；
Newly upper notch is opened up in the new upper base plate, makes newly to go up notch and is overlapped with the center line of lower notch, by new upper base plate
It is welded on new anchor bar and new anchor bar is implanted into bridge superstructure；
By the cast steel list roll shaft arranged orthogonal for waiting for correction reparation between new upper base plate and lower seat board, make to wait for what correction was repaired
The center line of cast steel list roll shaft is overlapped with the center line of lower notch.
Preferably, the step S2 is specifically included：
S21：Maximum jacking load is estimated according to the dead weight of bridge superstructure；
S22：Displacement sensor is installed and jacking force snesor carries out overall process construction monitoring；
S23：Classification carries out examination top and determines maximum jacking load Fmax；When jacking displacement is super beyond preset value or jacking load
Go out and stop jacking when estimation is maximum to jack load, checks whether mechanical equipment is faulty, check whether cast steel list roller support has
Constraint does not release, continues to jack after Resolving probiems；It is become larger when jacking displacement, and jacks load and tend to balance, top at this time
It is accurate maximum jacking load Fmax to rise load；
S24：Synchronization of jacking up bridge superstructure step by step, by multiple self-locking jack self-lockings.
Preferably, bridge cast steel list roller support correction restorative procedure, further includes erection device；
The erection device includes a pair of righting rod being relatively fixed in the cast steel list roll shaft both sides for waiting for correction reparation；It is described
Righting rod includes：
A pair of of otic placode, wherein an otic placode is fixed with the cast steel list roll shaft that correction is repaired is waited for, another otic placode is fixed on top of bridge pier
Face；
A pair of of casing, for tubulose and its be internally provided with internal thread, the internal thread of a pair of of casing is oppositely oriented；The set
Pipe with otic placode correspond, described sleeve pipe respectively by axis pin with and its corresponding otic placode be rotatably fixedly connected；
Screw rod, both ends correspond to sleeve and are connected through a screw thread corresponding casing respectively.
Preferably, the screw rod has coaxial through-hole, a diameter of 3mm~5mm of the through-hole；
The upper and lower ends of the screw rod are coaxially fixed with spring brush, and the spring brush includes spring, embeds and be fixed on
Cylindric sponge in the middle part of spring and the bristle for being fixed on spring outer wall；The bristle is close to the circle of described sleeve pipe inner wall one；
The one end of described sleeve pipe far from screw rod is both provided with openable and closable sealing cover；The inside interval of the sealing cover is fixed
There is fixed plate；It is provided with multiple oil leaking holes in the fixed plate, sponge plug, the sponge plug are fixed on the inside of the fixed plate
The inner wall one for being close to described sleeve pipe for cylindric and its outer wall encloses.
Preferably, the erection device is the multiple of uniform intervals setting.
The present invention includes at least following advantageous effect：
One, bridge cast steel list roller support correction restorative procedure easy construction provided by the invention：It is tied by bridge top
Structure integral jacking takes out the cast steel list roll shaft for waiting for that correction is repaired, carries out correction reparation according to notch offset, do not need special set
It is standby, construction is simple.
Two, bridge cast steel list roller support correction restorative procedure provided by the invention is safe and reliable：Bridge superstructure is whole
Body jacks and decentralization process takes synchronous control system, just has mechanical self-latching after jacking in place, and to girder displacement, top lift
Etc. parameters be monitored, tilt correction shift value and consider that temperature influences, keep correction repairing construction safe and reliable, correction precision is high.
Three, bridge cast steel list roller support correction restorative procedure provided by the invention is of low cost：Bearing Deviation Correction Construction is only
A small amount of steel and synchronous jacking system are needed, construction material and equipment requirement are low, of low cost.
Four, bridge cast steel list roller support correction restorative procedure application prospect provided by the invention is good：The country is used
Bridge cast steel list roller support substantial amounts, and active time is longer, and it is larger largely to there is cast steel list roll shaft angle of inclination,
It needs to carry out correction reparation, using above-mentioned bearing correction restorative procedure, can greatly improve treatment rates cast steel list roller support
Use state improves bridge operation safety, and easy construction, of low cost, has preferable application prospect.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structural schematic diagram of the cast steel list roller support of the present invention without correction；
Fig. 2 is the annexation figure of upper tooth plate of the present invention, lower tooth plate and the cast steel list roll shaft without correction；
Fig. 3 is to be of the invention as △ ＜ L/2, and the cast steel list roller support for waiting for correction reparation is in preprosthetic show of rectifying a deviation
It is intended to；
Fig. 4 be the present invention as △ ＜ L/2, it is described after correction repair cast steel list roller support correction repair after showing
It is intended to；
Fig. 5 is to be of the invention as L/2 ＜ △ ＜ L, and the cast steel list roller support for waiting for correction reparation is before correction reparation
Schematic diagram；
Fig. 6 is to be of the invention as L/2 ＜ △ ＜ L, and the cast steel list roller support repaired after correction is after correction reparation
Schematic diagram；
Fig. 7 is to be of the invention as △ ＞ L, and the cast steel list roller support for waiting for correction reparation is in preprosthetic signal of rectifying a deviation
Figure；
Fig. 8 be the present invention as △ ＞ L, it is described after correction repair cast steel list roller support correction repair after signal
Figure；
Fig. 9 is erection device of the present invention and waits for the connection relationship diagram for the cast steel list roller support that correction is repaired；
Figure 10 is the structural schematic diagram of righting rod of the present invention.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ", " vertical
To ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", the instructions such as "outside" side
Position or position relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
It is not instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
As Figure 1-10 shows, the present invention provides a kind of bridge cast steel list roller support correction restorative procedure, including following step
Suddenly：S1 generally investigates the inclination angle of the cast steel list roll shaft of cast steel list roller support, determines the number for the cast steel list roller support for waiting for that correction is repaired
Amount and position；
S2 fixes a self-locking jack in the position of each cast steel list roller support, and multiple self-locking jack are by bridge
Self-locking after 10 synchronization of jacking up of beam superstructure；
S3 releases limit tooth plate and limits the constraint that stiffener treats the cast steel list roller support that correction is repaired；
S4, in measurement the vertical bridge of notch 4 and lower notch 5 to horizontal distance, i.e. bearing correction shift value △；
S5 carries out the correction for the cast steel list roller support for waiting for that correction is repaired according to bearing correction shift value △；
S6 releases the self-locking of multiple self-locking jack, transfers the bridge superstructure 10 step by step, and make upper base plate with
Wait for the top surface contact of the cast steel list roll shaft for the cast steel list roller support that correction is repaired, self-locking is very heavy to hold lotus；
S7 welds the limit tooth plate of the cast steel list roll shaft for reparation of having rectified a deviation；
S8 step by step and synchronizes the jacking load for reducing multiple self-locking jack, monitors the cast steel for reparation of having rectified a deviation in real time
The situation of change at the inclination angle of single roll shaft, after bridge superstructure resets, welded limiting stiffener 9；
Wherein, the limit tooth plate includes upper tooth plate and lower tooth plate, and the cast steel list roller support without correction includes：
Cast steel list roll shaft 3, is vertically arranged；The upper surface and lower face of the cast steel list roll shaft 3 are the outer of coaxial-symmetrical
Convex surface；
Upper base plate 1, level are anchored in the lower end of bridge superstructure 10；
Lower seat board 2, is horizontally fixed on relative to upper base plate 1 on bridge pier 12；It falls into and is formed on the lower face of the upper base plate 1
A pair of opposing and cube shape upper notch 4, the upper surface of the lower seat board 2 sink formed it is a pair of corresponding with upper notch 4
And identical lower notch 5, the upper tooth plate 6 coordinated with it, lower tooth plate 7 are respectively arranged in the upper notch 4, lower notch 5；
The lower end of upper tooth plate 6 is welded with the upper end of cast steel list roll shaft 3, and the upper end of upper tooth plate 6 is fastened in notch 4；Lower tooth plate 7 it is upper
End and the lower end of cast steel list roll shaft 3 are welded, and the lower end of upper tooth plate 6 is fastened on lower notch 5；
Stiffener 9 is limited, is fixed on vertically between the opposite upper tooth plate 6 and lower tooth plate 7.
For the cast steel list roll shaft 3 without the cast steel list roller support of correction, center line 14, the lower notch of upper notch
5 center line 13 is overlapped with 12 fulcrum plumb line of bridge pier.In measurement the vertical bridge of notch and lower notch to horizontal distance, as on
The center line 13 of the center line 14 of notch and lower notch vertical bridge to horizontal distance.A pair of limit stiffener 9 is respectively by homonymy
Upper tooth plate 6 and lower tooth plate 7 connect with cast steel list roll shaft 3, the bearing capacity both reinforced.Cast steel is generally investigated using electric slope angle instrument
The inclination angle of the cast steel list roll shaft of single roller support determines the bearing quantity for needing to repair and position.Upper tooth plate 6 is a pair of and opposite
It is arranged on the top of cast steel list roll shaft；Lower tooth plate 7 is lower part that is a pair of and being oppositely arranged on cast steel list roll shaft；Tooth plate 6 in a pair
It is corresponded with a pair of of lower tooth plate 7；Upper base plate is fixed on bridge superstructure by anchor bar 11.The present invention inclines for bearing
Oblique problem proposes correction restorative procedure, because bridge cast steel list roller support is limited in direction across bridge, moreover, bridge cast steel list roller
Shaft stool is small in the stress of direction across bridge, and bridge cast steel list roll shaft is mainly in vertical bridge to glancing off, moreover, lower notch does not collapse
It falls into or tilts, meanwhile, lower tooth plate will not be damaged.As shown in the figure.The upper end and upper tooth plate for limiting stiffener are welded,
The lower end lower tooth plate welding opposite with homonymy, reinforces upper tooth plate and the connection of lower tooth plate of homonymy.In practice of construction, it is multiple from
Locking-type jack is empirical value by 10 synchronization of jacking up 4mm~6mm of bridge superstructure, when top lifting height is less than 4mm, cast steel
Single roller support does not completely disengage with bridge superstructure 10, and the correction operation for treating the cast steel list roller support that correction is repaired is empty
Between it is smaller, can not construct.
Wait for that the cast steel list roll shaft of correction reparation refers to the cast steel list roll shaft for the cast steel list roller support for waiting for that correction is repaired.On
Notch is L in the upward width of vertical bridge, and when bearing rectifies a deviation shift value △ ＜ L/2, the S5 is specifically included：It adjusts and waits for that correction is repaiied
The center line of multiple cast steel list roll shaft is overlapped with the bridge pier bearing pad center line of lower notch, and tooth plate is in the casting for waiting for that correction is repaired in movement
Position on steel list roll shaft so that the upper end of upper tooth plate is fastened on notch just, and the lower end of upper tooth plate is welded on cast steel list
Roll shaft upper end.By 8 arranged orthogonal of cast steel list roll shaft for waiting for correction reparation between upper base plate 1 and lower seat board 2, make to wait for that correction is repaired
The center line of cast steel list roll shaft 8 overlapped with the center line 13 of lower notch 5.When bearing rectifies a deviation shift value △ ＜ L/2, correction is repaiied
For the center line of cast steel list roll shaft after multiple still in upper and lower notch, so there is no need to open up new upper notch.When bearing correction shift value
When △ ＜ L/2, in step s3, a kind of situation is by the upper tooth plate of side and lower tooth plate from the cast steel list roll shaft for waiting for that correction is repaired
On remove, the cast steel list roll shaft for waiting for that correction is repaired can be taken out, but due to the position of tooth plate in a pair to be adjusted, therefore needing will be another
The upper tooth plate of outer side is also removed.Another situation is that tooth plate in a pair and a pair of of lower tooth plate are removed and be conveniently operated.
As L/2 ＜ △ ＜ L, the S5 is specifically included：By the past cast steel list roll shaft 8 for waiting for correction and repairing of the upper base plate 1
Deflection negative direction widened, repair upper base plate 1 former notch, form new upper base plate 15；It is opened in 15 lower surface of new upper base plate
If notch on newly, make the coincidence of center line 13 of newly upper notch, lower notch 5；The cast steel list roll shaft arranged orthogonal that will wait for that correction is repaired
Between new upper base plate 15 and lower seat board 2, make the center line of the center line and lower notch 5 of the cast steel list roll shaft 8 for waiting for that correction is repaired
13 overlap.In the case of this kind, correction repair after cast steel list roll shaft center line other than upper notch 4, therefore need to open up new upper
Notch.Without anchoring new anchor bar 16 on new upper base plate 15, new upper base plate 15 and the connection of bridge superstructure 10 are more steady
Gu.When bearing rectifies a deviation shift value L/2 ＜ △ ＜ L, in step s3, a kind of situation be need by the upper tooth plate of side and under
Tooth plate is removed from the cast steel list roll shaft for waiting for correction reparation, can take out the cast steel list roll shaft for waiting for that correction is repaired；Another situation
It is that tooth plate in a pair and a pair of of lower tooth plate are removed and be conveniently operated.
When bearing rectifies a deviation shift value △ ＞ L, the S5 is specifically included：By the past casting for waiting for correction and repairing of the upper base plate 1
The deflection negative direction of steel list roll shaft 8 is widened, and repairs the former notch of upper base plate 1, forms new upper base plate 15；At the new seat of honour
Plate 15 opens up newly upper notch, makes newly go up notch and is overlapped with the center line 13 of lower notch 5, and new upper base plate 15 is welded on and newly anchors steel
It is implanted into bridge superstructure 10 on muscle 16 and by new anchor bar 16；It will wait for that 8 arranged orthogonal of cast steel list roll shaft that correction is repaired exists
Newly between upper base plate 15 and lower seat board 2, make the center line 13 of the center line and lower notch 5 of the cast steel list roll shaft 8 for waiting for that correction is repaired
It overlaps.In the case of this kind, new upper base plate needs to anchor new anchor bar 16, and the part newly widened is passed through 16 anchor of new anchor bar
Gu to bridge superstructure 10, it just can guarantee that new upper base plate is bonded with bridge superstructure 10.New anchor is planted by drilling
Gu plant glue connection is used in combination in reinforcing bar 16.When bearing rectifies a deviation shift value △ ＞ L, in step s3, a kind of situation be need by
The upper tooth plate and lower tooth plate of side are removed from the cast steel list roll shaft for waiting for correction reparation, can take out the cast steel list for waiting for that correction is repaired
Roll shaft；Another situation is that tooth plate in a pair and a pair of of lower tooth plate are removed and be conveniently operated.
The step S2 is specifically included：S21：Maximum jacking load is estimated according to the dead weight of bridge superstructure 10；S22：
Displacement sensor is installed and jacking force snesor carries out overall process construction monitoring；S23：Classification carries out examination top and determines maximum jacking lotus
Carry Fmax；It is set beyond preset value or jacking load beyond jacking, inspection machinery is stopped when estimating maximum jacking load when jacking displacement
It is standby whether faulty, check whether Constrained does not release cast steel list roller support, continues to jack after Resolving probiems；When jacking displacement
It becomes larger, and jacks load and tend to balance, jacking load at this time is accurate maximum jacking load Fmax；S24：Step by step
Synchronization of jacking up bridge superstructure, by multiple self-locking jack self-lockings.Jacking displacement refers to the jacking of bridge superstructure
Displacement.Displacement sensor is for monitoring the distance that bridge superstructure 10 is moved relative to bridge pier 12.Jacking force snesor is mounted on
On self-locking jack, the variation of the top lift for monitoring self-locking jack.In practice of construction, multiple self-lockings are very heavy
Top is empirical value by 10 synchronization of jacking up 4mm~6mm of bridge superstructure, when top lifting height is less than 4mm, cast steel list roll shaft branch
Seat does not completely disengage with bridge superstructure 10, and the correction operating space for treating the cast steel list roller support that correction is repaired is smaller,
It can not construct.When top lifting height is higher than 6mm, the damage of bridge superstructure 10 may result in.Wherein, the preset value is bridge
The displacement maximum value 6mm of superstructure.
The bridge cast steel list roller support correction restorative procedure, further includes erection device；The erection device includes
A pair is relatively fixed the righting rod in the cast steel list roll shaft both sides for waiting for correction reparation；The righting rod includes：A pair of of otic placode 17,
In an otic placode 17 with wait for correction repair cast steel list roll shaft fix, another otic placode 17 is fixed on 12 top surface of bridge pier；A pair of of casing 18,
Its for tubulose and its be internally provided with internal thread, the internal thread of a pair of of casing 18 is oppositely oriented；Described sleeve pipe 18 and otic placode 17 1
One correspond to, described sleeve pipe 18 respectively by axis pin with and its corresponding otic placode 17 be rotatably fixedly connected；Screw rod 19, both ends
Sleeve 18 is corresponded to respectively and is connected through a screw thread corresponding casing 18.Erection device is used to wait for the cast steel list roller that correction is repaired
Axis 8 is pushed into vertical state from heeling condition, can save manpower.As cast steel list roll shaft 8 the upper end such as Fig. 3 or figure for waiting for that correction is repaired
When 5 or Fig. 7 is tilted to the right, before jacking bridge superstructure 10, erection device is fixed, jacking bridge superstructure 10 is simultaneously
After removing limit stiffener and a pair of of lower tooth plate 7, erection device holds the cast steel list roll shaft for waiting for that correction is repaired, and shortens helping for left side
The length of positive bar, while increasing the length of the righting rod on right side, under the action of a pair of of righting rod, wait for the cast steel list that correction is repaired
Roll shaft becomes vertical state from heeling condition.The length of righting rod is adjusted by rotary screw 19.When using erection device,
Without that will wait for that the cast steel list roll shaft that correction is repaired takes out, tooth plate and one in a pair for the cast steel list roll shaft that will wait for that correction is repaired is needed
Lower tooth plate is removed and is conveniently operated.
The screw rod 19 has coaxial through-hole 23, a diameter of 3mm~5mm of the through-hole 23；The screw rod 19 it is upper
Lower both ends are coaxially fixed with spring brush 22, and the spring brush 22 includes spring, embeds and be fixed on cylindric in the middle part of spring
Sponge and the bristle for being fixed on spring outer wall；The bristle is close to 18 inner wall one of described sleeve pipe circle；Described sleeve pipe 18 is far from screw rod
19 one end is both provided with openable and closable sealing cover 20；The inside of the sealing cover 20 is fixed at intervals fixed plate 21；It is described solid
Multiple oil leaking holes are provided on fixed board 21,21 inside of the fixed plate is fixed with sponge plug, and the sponge plug is cylindric and it
The inner wall one that outer wall is close to described sleeve pipe 18 encloses.While rotary screw 19, spring brush 22 also can be in 18 internal rotating of casing；
The sealing cover 20 positioned at upper sleeve 18 is opened, injects lubricating oil from top, parts of lubricating oil is by the sponge in upper sleeve 18
Absorption, partly leaks down, and under the rotation of spring brush 22 from oil leaking hole, 18 inner brush of casing on top is expired lubricating oil, part
Lubricating oil is flowed into from through-hole 23 in lower parts casing pipe 18, also by the full lubricating oil of brush inside lower parts casing pipe 18；Extra lubricating oil storage
Space between fixed plate in lower parts casing pipe 18 and sealing cover 20 and sponge exchange lower parts casing pipe 18 in use next time
To top, Excess lubricating oil can be utilized again.Oil leaking hole is evenly distributed in fixed plate, a diameter of 0.5- of oil leaking hole
1mm。
The erection device is the multiple of uniform intervals setting.Multiple erection devices are more firm.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (8)
- The restorative procedure 1. a kind of bridge cast steel list roller support is rectified a deviation, which is characterized in that include the following steps：S1 generally investigates the inclination angle of the cast steel list roll shaft of cast steel list roller support, determines the cast steel list roller support for waiting for that correction is repaired Quantity and position；S2 fixes a self-locking jack in the position of each cast steel list roller support, and multiple self-locking jack will be on bridge Self-locking after portion's structure synchronization jacking；S3 releases limit tooth plate and limits the constraint that stiffener treats the cast steel list roller support that correction is repaired；S4, in measurement the vertical bridge of notch and lower notch to horizontal distance, i.e. bearing correction shift value △；S5 carries out the correction for the cast steel list roller support for waiting for that correction is repaired according to bearing correction shift value △；S6 releases the self-locking of multiple self-locking jack, transfers the bridge superstructure step by step, and makes upper base plate and wait rectifying a deviation The top surface of the cast steel list roll shaft of the cast steel list roller support of reparation contacts, and self-locking is very heavy to hold lotus；S7 welds the limit tooth plate of the cast steel list roll shaft for reparation of having rectified a deviation；S8 step by step and synchronizes the jacking load for reducing multiple self-locking jack, monitors the cast steel list roller for reparation of having rectified a deviation in real time The situation of change at the inclination angle of axis, after bridge superstructure resets, welded limiting stiffener；Wherein, the limit tooth plate includes upper tooth plate and lower tooth plate, and the cast steel list roller support without correction includes：Cast steel list roll shaft, is vertically arranged；The upper surface and lower face of the cast steel list roll shaft are the convex outward of coaxial-symmetrical；Upper base plate, level are anchored in the lower end of bridge superstructure；Lower seat board, is horizontally fixed on relative to upper base plate on bridge pier；It is fallen on the lower face of the upper base plate and forms a pair relatively Upper notch being arranged and cube shape, the upper surface of the lower seat board sink formed it is a pair of corresponding and identical with upper notch Lower notch is respectively arranged with upper tooth plate, the lower tooth plate coordinated with it in the upper notch, lower notch；The lower end of upper tooth plate and casting The upper end of steel list roll shaft is welded, and the upper end of upper tooth plate is fastened in notch；The lower end of the upper end and cast steel list roll shaft of lower tooth plate Welding, the lower end of upper tooth plate is fastened in lower notch；Stiffener is limited, is fixed on vertically between the opposite upper tooth plate and lower tooth plate.
- The restorative procedure 2. bridge cast steel list roller support as described in claim 1 is rectified a deviation, which is characterized in that upper notch is in vertical bridge Upward width is L, and when bearing rectifies a deviation shift value △ ＜ L/2, the S5 is specifically included：The center line for adjusting the cast steel list roll shaft for waiting for that correction is repaired is overlapped with the center line of lower notch, and tooth plate is waiting rectifying a deviation in movement Position on the cast steel list roll shaft of reparation so that the upper end of upper tooth plate is fastened on notch, and the lower end welding of upper tooth plate just In cast steel list roll shaft upper end.
- The restorative procedure 3. bridge cast steel list roller support as described in claim 1 is rectified a deviation, which is characterized in that as L/2 ＜ △ ＜ L When, the S5 is specifically included：By the upper base plate toward waiting for that the deflection negative direction of cast steel list roll shaft that correction is repaired widens, the former slot of upper base plate is repaired Mouthful, form new upper base plate；Newly upper notch is opened up in new upper base plate lower surface, makes the center line coincidence of newly upper notch, lower notch；By the cast steel list roll shaft arranged orthogonal for waiting for correction reparation between new upper base plate and lower seat board, make the cast steel for waiting for that correction is repaired The center line of single roll shaft is overlapped with the center line of lower notch.
- The restorative procedure 4. bridge cast steel list roller support as described in claim 1 is rectified a deviation, which is characterized in that when bearing correction position When shifting value △ ＞ L, the S5 is specifically included：By the upper base plate toward waiting for that the deflection negative direction of cast steel list roll shaft that correction is repaired widens, the former slot of upper base plate is repaired Mouthful, form new upper base plate；Newly upper notch is opened up in the new upper base plate, makes newly to go up notch and is overlapped with the center line of lower notch, new upper base plate is welded It is implanted into bridge superstructure on new anchor bar and by new anchor bar；By the cast steel list roll shaft arranged orthogonal for waiting for correction reparation between new upper base plate and lower seat board, make the cast steel for waiting for that correction is repaired The center line of single roll shaft is overlapped with the center line of lower notch.
- The restorative procedure 5. bridge cast steel list roller support as described in claim 1 is rectified a deviation, which is characterized in that the step S2 tools Body includes：S21：Maximum jacking load is estimated according to the dead weight of bridge superstructure；S22：Displacement sensor is installed and jacking force snesor carries out overall process construction monitoring；S23：Classification carries out examination top and determines maximum jacking load Fmax；Estimate when jacking displacement exceeds beyond preset value or jacking load Stop jacking when calculating maximum jacking load, check whether mechanical equipment faulty, check cast steel list roller support whether Constrained It does not release, continues to jack after Resolving probiems；It is become larger when jacking displacement, and jacks load and tend to balance, jacking lotus at this time It is accurate maximum jacking load F to carrymax；S24：Synchronization of jacking up bridge superstructure step by step, by multiple self-locking jack self-lockings.
- The restorative procedure 6. bridge cast steel list roller support as described in claim 1 is rectified a deviation, which is characterized in that further include righting dress It sets；The erection device includes a pair of righting rod being relatively fixed in the cast steel list roll shaft both sides for waiting for correction reparation；The righting Bar includes：A pair of of otic placode, wherein an otic placode is fixed with the cast steel list roll shaft that correction is repaired is waited for, another otic placode is fixed on bridge pier top surface；A pair of of casing, for tubulose and its be internally provided with internal thread, the internal thread of a pair of of casing is oppositely oriented；Described sleeve pipe with Otic placode correspond, described sleeve pipe respectively by axis pin with and its corresponding otic placode be rotatably fixedly connected；Screw rod, both ends correspond to sleeve and are connected through a screw thread corresponding casing respectively.
- The restorative procedure 7. bridge cast steel list roller support as claimed in claim 6 is rectified a deviation, which is characterized in that the screw rod has Coaxial through-hole, a diameter of 3mm~5mm of the through-hole；The upper and lower ends of the screw rod are coaxially fixed with spring brush, and the spring brush includes spring, embeds and be fixed on spring The cylindric sponge at middle part and the bristle for being fixed on spring outer wall；The bristle is close to the circle of described sleeve pipe inner wall one；The one end of described sleeve pipe far from screw rod is both provided with openable and closable sealing cover；It is fixed at intervals on the inside of the sealing cover solid Fixed board；It is provided with multiple oil leaking holes in the fixed plate, sponge plug is fixed on the inside of the fixed plate, the sponge plug is circle The inner wall one that column and its outer wall are close to described sleeve pipe encloses.
- The restorative procedure 8. bridge cast steel list roller support as claimed in claim 6 is rectified a deviation, which is characterized in that the erection device For the multiple of uniform intervals setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810301749.8A CN108589560B (en) | 2018-04-04 | 2018-04-04 | Bridge cast steel list roller support correction restorative procedure |
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| CN201810301749.8A CN108589560B (en) | 2018-04-04 | 2018-04-04 | Bridge cast steel list roller support correction restorative procedure |
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| CN113684771A (en) * | 2021-09-23 | 2021-11-23 | 重庆单轨交通工程有限责任公司 | Method for replacing hinge shaft of straddle type monorail tension support |
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| CN108589560B (en) | 2019-06-21 |
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Address after: Room 2101-2104, 21 / F, unit a, block a, Hubei science and technology venture building, Xiaohongshan East District, Wuchang District, Wuhan City, Hubei Province, 430061 Patentee after: CCCC Road & Bridge Special Engineering Co.,Ltd. Address before: 430000 No. 2101-2104, 21 / F, unit a, block a, Hubei science and technology entrepreneurship building, Xiaohongshan East District, Wuchang District, Wuhan City, Hubei Province Patentee before: CCCC ROAD & BRIDGE SPECIAL ENGINEERING Co.,Ltd. |