CN108589560B - 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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- CN108589560B CN108589560B CN201810301749.8A CN201810301749A CN108589560B CN 108589560 B CN108589560 B CN 108589560B CN 201810301749 A CN201810301749 A CN 201810301749A CN 108589560 B CN108589560 B CN 108589560B
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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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- Civil Engineering (AREA)
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- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of bridge cast steel list roller support correction restorative procedures, comprising 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 to horizontal distance, i.e. rectify a deviation shift value △ by support in measurement；S5 carries out the correction of the cast steel list roller support of reparation to be rectified a deviation according to support 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 technique
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 sharply, be easy to cause bridge substructure to 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 inclination disease: (1) early stage construction survey low precision,
Support roll shaft is caused to tilt when installing；(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 inclination；(4) with the variation of temperature, bridge superstructure Material shrinkage or expansion, aggravate the inclined degree of support.
If bridge cast steel list roller support component does not damage, it is replaced with rubber support, will cause waste of material, 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 many and diverse.If will inclination
Roll shaft rectify a deviation 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.
Summary of the invention
It is an object of the invention to solve at least the above problems, 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 repaired
Compound method.
These purposes and other advantages to realize the present invention provide bridge cast steel list roller support correction reparation side
Method, comprising 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 of reparation to be rectified a deviation
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
It is 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. support rectifies a deviation shift value △；
S5 carries out the correction of the cast steel list roller support of reparation to be rectified a deviation according to support correction shift value △；
S6 releases the self-locking of multiple self-locking jack, transfers the bridge superstructure step by step, and make upper base plate with to
The top surface contact of the cast steel list roll shaft for the cast steel list roller support that correction is repaired, self-locking jack 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 end surface 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 bridge pier relative to upper base plate；It is fallen on the lower end surface 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 phase corresponding and complete with upper notch
With lower notch, upper tooth plate engaged therewith, lower tooth plate are respectively arranged 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 welding, the lower end of upper tooth plate is fastened in lower notch；
Stiffener is limited, is fixed between opposite upper tooth plate and lower tooth plate vertically.
Preferably, upper notch is L in the upward width of vertical bridge, and when support rectifies a deviation shift value △ < L/2, the S5 is specific
Include:
The center line for adjusting the cast steel list roll shaft of reparation to be rectified a deviation is overlapped with the center line of lower notch, in movement tooth plate to
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:
The deflection opposite direction of the upper base plate toward the cast steel list roll shaft of reparation to be rectified a deviation is widened, 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 of reparation to be rectified a deviation between new upper base plate and lower seat board, make reparation to be rectified a deviation
The center line of cast steel list roll shaft is overlapped with the center line of lower notch.
Preferably, when support rectifies a deviation shift value △ > L, the S5 is specifically included:
The deflection opposite direction of the upper base plate toward the cast steel list roll shaft of reparation to be rectified a deviation is widened, 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 of reparation to be rectified a deviation between new upper base plate and lower seat board, make reparation to be rectified a deviation
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 self weight of bridge superstructure；
S22: installation displacement sensor and jacking force snesor carry 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
Stop jacking when estimation maximum jacking load out, check whether mechanical equipment is faulty, whether inspection cast steel list roller support has
Constraint does not release, continues to jack after Resolving probiems；It is become larger when jacking is displaced, and jacks load and tend to balance, top at this time
Rising load is accurate maximum jacking load Fmax；
S24: synchronization of jacking up bridge superstructure step by step, multiple self-locking jack are self-locking.
Preferably, bridge cast steel list roller support correction restorative procedure, further includes erection device；
The erection device includes the righting rod of a pair of relatively fixed cast steel list roll shaft two sides in reparation to be rectified a deviation；It is described
Righting rod includes:
A pair of of otic placode, wherein an otic placode and the cast steel list roll shaft of reparation to be rectified a deviation are fixed, 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 screw thread, the internal screw thread of a pair of of casing is oppositely oriented；The set
Pipe with otic placode correspond, described sleeve pipe pass through respectively pin shaft with and its corresponding otic placode be rotatably fixedly connected；
Screw rod, both ends respectively correspond sleeve and are connected through a screw thread corresponding casing.
Preferably, the screw rod has coaxial through-hole, and the diameter of the through-hole is 3mm~5mm；
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 described sleeve pipe inner wall one and is enclosed；
Described sleeve pipe is provided with openable and closable sealing cover far from one end of screw rod；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 is include at least the following beneficial effects:
One, it bridge cast steel list roller support correction restorative procedure easy construction provided by the invention: is tied by bridge top
Structure integral jacking takes out the cast steel list roll shaft of reparation to be rectified a deviation, 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 jacking and decentralization process take synchronous control system, just have mechanical self-latching after jacking in place, and to girder displacement, top lift
Etc. parameters be monitored, inclination correction shift value considers that temperature influences, and making to rectify a deviation, repairing construction is safe and reliable, and correction precision is high.
Three, bridge cast steel list roller support correction restorative procedure provided by the invention is low in cost: support Deviation Correction Construction is only
A small amount of steel and synchronous jacking system are needed, construction material and equipment requirement are low, low in 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 tilt angle,
It needs to carry out correction reparation, using above-mentioned support correction restorative procedure, can greatly improve treatment rates cast steel list roller support
Use state improves bridge operation safety, and easy construction, low in cost, with good application prospect.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
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 the present invention as △ < L/2, and the cast steel list roller support of the reparation to be rectified a deviation is in preprosthetic show of rectifying a deviation
It is intended to；
Fig. 4 is the present invention as △ < L/2, the showing after correction is repaired wait the cast steel list roller support for reparation of rectifying a deviation
It is intended to；
Fig. 5 is the present invention as L/2 < △ < L, and the cast steel list roller support of the reparation to be rectified a deviation is before correction is repaired
Schematic diagram；
Fig. 6 be the present invention as L/2 < △ < L, it is described wait the cast steel list roller support for reparation of rectifying a deviation correction repair after
Schematic diagram；
Fig. 7 is the present invention as △ > L, and the cast steel list roller support of the reparation to be rectified a deviation is in preprosthetic signal of rectifying a deviation
Figure；
Fig. 8 is the present invention as △ > L, the signal wait the cast steel list roller support for reparation of rectifying a deviation after correction is repaired
Figure；
Fig. 9 is the connection relationship diagram of the cast steel list roller support of erection device of the present invention and reparation to be rectified a deviation；
Figure 10 is the structural schematic diagram of righting rod of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
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 positional 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 that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, 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
Rapid: S1 generally investigates the inclination angle of the cast steel list roll shaft of cast steel list roller support, determines the number of the cast steel list roller support of reparation to be rectified a deviation
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
It is 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. support rectifies a deviation shift value △；
S5 carries out the correction of the cast steel list roller support of reparation to be rectified a deviation according to support 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
The top surface of the cast steel list roll shaft of the cast steel list roller support of reparation to be rectified a deviation contacts, and self-locking jack holds 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 end surface 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 bridge pier 12 relative to upper base plate 1；It falls into and is formed on the lower end surface 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, upper tooth plate 6 engaged therewith, lower tooth plate 7 are respectively arranged in the upper notch 4, lower notch 5；
The lower end of upper tooth plate 6 and the upper end of cast steel list roll shaft 3 are welded, 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 between opposite upper tooth plate 6 and lower tooth plate 7 vertically.
For the cast steel list roll shaft 3 of the cast steel list roller support without 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 respectively will be ipsilateral
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 support quantity for needing to repair and position.Upper tooth plate 6 is a pair of and opposite
The top of cast steel list roll shaft is set；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 support
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,
Lower end and ipsilateral opposite lower tooth plate weld, and reinforce the connection of ipsilateral upper tooth plate and lower tooth plate.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 lower 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.
The cast steel list roll shaft of reparation to be rectified a deviation refers to the cast steel list roll shaft of the cast steel list roller support of reparation to be rectified a deviation.On
Notch is L in the upward width of vertical bridge, and when support rectifies a deviation shift value △ < L/2, the S5 is specifically included: being adjusted and is repaired wait rectify a deviation
The center line of multiple cast steel list roll shaft is overlapped with the bridge pier bearing pad center line of lower notch, casting of the tooth plate in reparation to be rectified a deviation 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 of reparation to be rectified a deviation between upper base plate 1 and lower seat board 2, make to repair wait rectify a deviation
The center line of cast steel list roll shaft 8 be overlapped with the center line 13 of lower notch 5.When support rectifies a deviation shift value △ < L/2, correction is repaired
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 support correction shift value
When △ < L/2, in step s3, a kind of situation is the cast steel list roll shaft by the upper tooth plate of side and lower tooth plate from reparation to be rectified a deviation
On remove, the cast steel list roll shaft of reparation to be rectified a deviation 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 removing and facilitating operation tooth plate in a pair and a pair of of lower tooth plate.
As L/2 < △ < L, the S5 is specifically included: by the cast steel list roll shaft 8 of the past reparation to be rectified a deviation of the upper base plate 1
Deflection opposite direction widened, repair upper base plate 1 former notch, form new upper base plate 15；It is opened in new 15 lower surface of upper base plate
If notch on newly, make the coincidence of center line 13 of newly upper notch, lower notch 5；By the cast steel list roll shaft arranged orthogonal of reparation to be rectified a deviation
Between new upper base plate 15 and lower seat board 2, make the center line of the cast steel list roll shaft 8 of reparation to be rectified a deviation and the center line of lower notch 5
13 are overlapped.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, the connection of new upper base plate 15 and bridge superstructure 10 is more steady
Gu.When support 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 of reparation to be rectified a deviation, and can take out the cast steel list roll shaft of reparation to be rectified a deviation；Another situation
It is that tooth plate in a pair and a pair of of lower tooth plate are removed and facilitate operation.
When support rectifies a deviation shift value △ > L, the S5 is specifically included: by the casting of the past reparation to be rectified a deviation of the upper base plate 1
The deflection opposite 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
Bridge superstructure 10 is implanted on muscle 16 and by new anchor bar 16；8 arranged orthogonal of cast steel list roll shaft of reparation to be rectified a deviation is existed
Between new upper base plate 15 and lower seat board 2, make the center line of the cast steel list roll shaft 8 of reparation to be rectified a deviation and the center line 13 of lower notch 5
It is overlapped.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 new 16 anchor of anchor bar
Gu just can guarantee that new upper base plate is bonded with bridge superstructure 10 to bridge superstructure 10.New anchor is planted by drilling
Gu reinforcing bar 16, and with plant glue connection.When support 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 of reparation to be rectified a deviation, and can take out the cast steel list of reparation to be rectified a deviation
Roll shaft；Another situation is that removing and facilitating operation tooth plate in a pair and a pair of of lower tooth plate.
The step S2 is specifically included: S21: estimating maximum jacking load according to the self 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；Stop jacking when jacking is displaced beyond preset value or jacking load beyond estimation maximum jacking load, checks that machinery is set
It is standby whether faulty, it checks whether cast steel list roller support has constraint not release, continues to jack after Resolving probiems；When jacking is displaced
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, multiple self-locking jack are self-locking.Jacking displacement refers to the jacking of bridge superstructure
Displacement.Displacement sensor is used to monitor the distance mobile relative to bridge pier 12 of bridge superstructure 10.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 lower 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
The righting rod of a pair of relatively fixed cast steel list roll shaft two sides in reparation to be rectified a deviation；The righting rod includes: a pair of of otic placode 17,
In an otic placode 17 and the cast steel list roll shaft of reparation to be rectified a deviation 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 screw thread, the internal screw thread of a pair of of casing 18 is oppositely oriented；Described sleeve pipe 18 and otic placode 17 1
One is corresponding, described sleeve pipe 18 respectively by pin shaft with and its corresponding otic placode 17 be rotatably fixedly connected；Screw rod 19, both ends
It respectively corresponds sleeve 18 and is connected through a screw thread corresponding casing 18.Erection device for will reparation be rectified a deviation cast steel list roller
Axis 8 is pushed into vertical state from heeling condition, can save manpower.As cast steel list roll shaft 8 upper end such as Fig. 3 or figure of reparation to be rectified a deviation
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 of reparation to be rectified a deviation, 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, the cast steel list of reparation to be rectified a deviation
Roll shaft becomes vertical state from heeling condition.The length of righting rod is adjusted by rotary screw 19.When using erection device,
Without will reparation be rectified a deviation cast steel list roll shaft take out, need will reparation be rectified a deviation cast steel list roll shaft a pair on tooth plate and one
Lower tooth plate is removed and facilitates operation.
The screw rod 19 has coaxial through-hole 23, and the diameter of the through-hole 23 is 3mm~5mm；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 provided with openable and closable sealing cover 20；The inside of the sealing cover 20 is fixed at intervals with fixed plate 21；It is described solid
It is provided with multiple oil leaking holes on fixed board 21, sponge plug is fixed on the inside of the fixed plate 21, 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 for being located at upper sleeve 18 is opened, injects lubricating oil from top, parts of lubricating oil is by the sponge in upper sleeve 18
Absorption, partially 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 flows into lower parts casing pipe 18 from through-hole 23, and full lubricating oil is also brushed inside lower parts casing pipe 18；Extra lubricating oil storage
In the fixed plate in lower parts casing pipe 18 and space and sponge between sealing cover 20, in use next time, lower parts casing pipe 18 is exchanged
To top, Excess lubricating oil can be utilized again.Oil leaking hole is evenly distributed in fixed plate, and the diameter of oil leaking hole is 0.5-
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 comprises 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 of reparation to be rectified a deviation 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 It is self-locking after the jacking of portion's structure synchronization；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. support rectifies a deviation shift value △；S5 carries out the correction of the cast steel list roller support of reparation to be rectified a deviation according to support correction shift value △；S6 releases the self-locking of multiple self-locking jack, transfers the bridge superstructure step by step, and make upper base plate with wait rectify 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 jack holds 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 end surface 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 bridge pier relative to upper base plate；It is fallen on the lower end surface 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 engaged therewith, lower tooth plate 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 upper end of lower tooth plate and the lower end of cast steel list roll shaft Welding, the lower end of upper tooth plate is fastened in lower notch；Stiffener is limited, is fixed between opposite upper tooth plate and lower tooth plate vertically.
- 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 support rectifies a deviation shift value △ < L/2, the S5 is specifically included:The center line for adjusting the cast steel list roll shaft of reparation to be rectified a deviation is overlapped with the center line of lower notch, and tooth plate is wait rectify 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:The deflection opposite direction of the upper base plate toward the cast steel list roll shaft of reparation to be rectified a deviation is widened, 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 of reparation to be rectified a deviation between new upper base plate and lower seat board, make the cast steel of reparation to be rectified a deviation 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 support correction position When shifting value △ > L, the S5 is specifically included:The deflection opposite direction of the upper base plate toward the cast steel list roll shaft of reparation to be rectified a deviation is widened, 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 Bridge superstructure is implanted on new anchor bar and by new anchor bar；By the cast steel list roll shaft arranged orthogonal of reparation to be rectified a deviation between new upper base plate and lower seat board, make the cast steel of reparation to be rectified a deviation 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 tool Body includes:S21: maximum jacking load is estimated according to the self weight of bridge superstructure；S22: installation displacement sensor and jacking force snesor carry 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, checks whether mechanical equipment is faulty, check whether cast steel list roller support has constraint It does not release, continues to jack after Resolving probiems；It is become larger when jacking is displaced, and jacks load and tend to balance, jacking lotus at this time Carrying is accurate maximum jacking load Fmax；S24: synchronization of jacking up bridge superstructure step by step, multiple self-locking jack are self-locking.
- 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 the righting rod of a pair of relatively fixed cast steel list roll shaft two sides in reparation to be rectified a deviation；The righting Bar includes:A pair of of otic placode, wherein an otic placode and the cast steel list roll shaft of reparation to be rectified a deviation are fixed, another otic placode is fixed on bridge pier top surface；A pair of of casing, for tubulose and its be internally provided with internal screw thread, the internal screw thread of a pair of of casing is oppositely oriented；Described sleeve pipe with Otic placode correspond, described sleeve pipe pass through respectively pin shaft with and its corresponding otic placode be rotatably fixedly connected；Screw rod, both ends respectively correspond sleeve and are connected through a screw thread corresponding casing.
- 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, the diameter of the through-hole are 3mm~5mm；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 described sleeve pipe inner wall one and is enclosed；Described sleeve pipe is provided with openable and closable sealing cover far from one end of screw rod；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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| 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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| CN108589560B true CN108589560B (en) | 2019-06-21 |
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| CN111535161B (en) * | 2020-05-22 | 2022-04-12 | 中铁二院工程集团有限责任公司 | Slope terrain pier deformation repairing structure and method |
| CN113684771B (en) * | 2021-09-23 | 2023-04-07 | 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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| FR2292073A1 (en) * | 1974-11-25 | 1976-06-18 | Lasne Jacques | Repairing bridges having supports counter supports carrying deck - by propping deck, and injecting curable resin into space below supports |
| CN1851139A (en) * | 2006-05-19 | 2006-10-25 | 成都亿通达实业发展有限公司 | Bridge pad repair method |
| CN103821090B (en) * | 2014-02-27 | 2015-12-30 | 武汉中交试验检测加固工程有限责任公司 | Replacing and rectificating method after pier slope |
| CN104278624B (en) * | 2014-10-10 | 2015-12-09 | 宁波工程学院 | One uprises journey bridge pad |
| CN106381817A (en) * | 2016-10-28 | 2017-02-08 | 柳州欧维姆工程有限公司 | Self-balancing type horizontal correcting device for correcting and resetting old bridge and construction method thereof |
| CN106758792B (en) * | 2016-12-26 | 2018-07-06 | 济南大学 | A kind of bridge pad |
| CN206385452U (en) * | 2016-12-28 | 2017-08-08 | 广东省建筑设计研究院 | A kind of error correction Anti-pull ball shape support base |
| CN107059605A (en) * | 2017-06-09 | 2017-08-18 | 上海市城市建设设计研究总院（集团）有限公司 | The bridge pad of bridge pad governor motion, adjustable height and adjustable inclination |
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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. |