CN209339005U - A kind of deviation correcting device for steel truss girder heave lateral deviation - Google Patents
A kind of deviation correcting device for steel truss girder heave lateral deviation Download PDFInfo
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- CN209339005U CN209339005U CN201822145601.8U CN201822145601U CN209339005U CN 209339005 U CN209339005 U CN 209339005U CN 201822145601 U CN201822145601 U CN 201822145601U CN 209339005 U CN209339005 U CN 209339005U
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Abstract
The utility model relates to steel truss girder technical field of construction, in particular to a kind of deviation correcting device for steel truss girder heave lateral deviation, pass through setting correction guide rail mechanism and position-limit mechanism, guide rail mechanism of rectifying a deviation includes left correction guide rail and right correction guide rail, position-limit mechanism includes left limit block and right limit block, the left correction guide rail and right correction guide rail are oppositely arranged, to realize that the steel truss girder that sliding way is arranged in can complete lateral deviation adjustment by right limit block and right correction guide rail, left limit block and left correction guide rail.When steel truss girder operation is that sliding way slides, it fixed correction guide rail mechanism and is fixed on the position-limit mechanism of sliding way on glide path, the track that guidance sliding way and steel truss girder press correction guide rail together carries out lateral deviation adjustment, traditional automatic continuous jack oil pressure/mechanic jacks are substituted with this deviation correcting device that can be rectified a deviation by hauling construction, the problem of correction step for solving tradition correction is many and diverse, low efficiency of rectifying a deviation.
Description
Technical field
The utility model relates to steel truss girder technical field of construction, in particular to a kind of laterally inclined for steel truss girder heave
The deviation correcting device of difference.
Background technique
With the needs of China's development strategy, the encryption of transportation network, there are more and more cross-line bridges, to solve
The limit for height problem of existing line, cross-line railroad bridge mostly use through truss girder bridge.The setting of its span is changeable, and component is in factory
Processing, quality are easier to ensure.To reduce the interference to existing line normal operation, dilatory method is mostly used to set up.
Traditional steel truss girder draws small offset correction using automatic continuous jack oil pressure is adjusted, and it is big to change two sides tractive force
Small mode, big offset correction is by the way of mechanic jacks thrust beam body side surface.But it is found in practice, uses biography
The correction mode of system, the temporary structures such as slideway are influenced by construction error, and coefficient of friction is changing always, and jack oil pressure needs not
Disconnected adjustment, and rectifying effect is poor, midline shift value can be increasing in heave, need to finally suspend hauling construction, leads to
The mode for crossing mechanic jacks thrust beam body side surface is rectified a deviation, and construction efficiency is influenced.Structure is complicated for jack reaction frame, processing installation
Difficulty, thrust beam body side surface can cause to damage to beam body finishing coat, influence structure beauty, and roadbed assembly roadbed section may not be used after platform
Weld jack counterforce device position, occur big offset can only pushing tow front end, be easy to appear the case where middle line is deviated toward side, deposit
In biggish security risk.
Utility model content
The goal of the invention of the utility model is: needing for tradition correction of the existing technology using mechanic jacks
Thrust beam body side surface, so as to cause influence construction efficiency, provide it is a kind of easily, can be carried out by hauling construction laterally inclined
The deviation correcting device of difference adjustment.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of deviation correcting device for steel truss girder heave lateral deviation, which is characterized in that including guide rail mechanism of rectifying a deviation
And position-limit mechanism, the correction guide rail mechanism include left correction guide rail and right correction guide rail, the position-limit mechanism includes being fixed on
Left limit block on the left of sliding way and the right limit block being fixed on the right side of sliding way；The left correction guide rail and right correction guide rail are equal
It is fixed between sliding way bottom surface and glide path top surface, the left correction guide rail and right correction guide rail are oppositely arranged；
Wherein, on the ground, the sliding way underrun is used to adjust the steel of flatness for the glide path fixed setting
Plate and for reducing friction resistance polyfluortetraethylene plate be arranged in glide path top surface, steel truss girder is fixed on sliding way top surface
On, during correction, drive steel truss girder to be moved by dilatory sliding way.
Using the direction of steel truss girder movement as positive direction in the application, the component on the left of line in the design is set and is taken as a left side,
The component of the design middle line right part is taken as the right side, that is, the limited block that line left part in the design is arranged is left limit block, guide rail of rectifying a deviation
For left correction guide rail, that is, the limited block that line right part in the design is arranged is right limit block, and correction guide rail is right correction guide rail；Design
Middle line is the middle line of steel truss girder when not deviating；When correction starts, one side of limited block and the side contact of correction guide rail.
Steel truss girder, sliding way, glide path, steel plate and polyfluortetraethylene plate are that dilatory job execution prepares rather than rectifies a deviation and fill
The composition set, in steel truss girder heave, that is, sliding way taxiing procedures, by the correction guide rail machine fixed on glide path
Structure and the position-limit mechanism cooperation for being fixed on sliding way, guide sliding way and steel truss girder to carry out lateral deviation adjustment.
The utility model by setting correction guide rail mechanism and position-limit mechanism, correction guide rail mechanism include left correction guide rail with
Right correction guide rail, position-limit mechanism include left limit block and right limit block, the left limit block and left correction guide rail cooperate with
Realize that steel truss girder can be moved toward design middle line left side, the right limit block and right correction guide rail cooperate to realize steel
Trusses can be moved toward design middle line right side, and the left limit block and right limit block are separately fixed at sliding way or so two
Side, the left correction guide rail and right correction guide rail are each attached between sliding way bottom surface and glide path top surface；The left correction is led
Rail and right correction guide rail are oppositely arranged, to realize that the steel truss girder that sliding way is arranged in can be by the right limit block and the right side
Guide rail of rectifying a deviation carries out first time lateral deviation adjustment, then is completed at the same time second of cross together with the left limit block and left correction guide rail
To deviation adjusting.When steel truss girder is drawn, i.e. sliding way is slided, by correction guide rail mechanism fixed on glide path and admittedly
It is scheduled on the position-limit mechanism cooperation of sliding way, the presence of limited block and correction guide rail has guided sliding way and has been arranged on sliding way
Steel truss girder is run by certain track, process, that is, lateral deviation adjustment process of operation, with it is this can by hauling construction
Traditional automatic continuous jack oil pressure/mechanic jacks are substituted with the deviation correcting device rectified a deviation, and solve tradition correction
The problem of step of rectifying a deviation is many and diverse, low efficiency of rectifying a deviation.
Preferably, the left correction guide rail and right correction guide rail are the guide rail with bevel edge, and the bevel edge is i.e. and in design
Line has angle, and the corresponding bevel edge side of the bevel edge is entangled for guiding steel truss girder to carry out lateral deviation adjustment by the right side
The bevel edge side of local derviation rail and the cooperation of right limit block are completed the first time lateral deviation and are adjusted, and the left correction guide rail is passed through
Bevel edge side and left limit block cooperation, together with it is described it is right correction guide rail bevel edge side and right limit block cooperation complete institute
State second of lateral deviation adjustment.
During correction, the is carried out by the bevel edge side and right limit block cooperation guidance steel truss girder of the right correction guide rail
Lateral deviation adjustment, by the bevel edge side of the right correction guide rail and the cooperation of right limit block, together with the left limit
The cooperation of block and left correction guide rail, realizes second of lateral deviation of steel truss girder adjustment.
First time lateral deviation adjusting range: bevel edge side and left correction guide rail during this without left limit block are matched
It closes, the bevel edge side of the only described right correction guide rail and right limit block cooperation guidance steel truss girder carry out on horizontal and vertical direction
It is mobile.
Second of lateral deviation adjusting range: this process is to match since the bevel edge side of left limit block and left correction guide rail
Run the beginning jointly, in the process, including it is described it is right correction guide rail bevel edge side and right limit block cooperation guidance steel truss girder carry out laterally and
Movement on longitudinal direction cooperates the bevel edge side of left correction guide rail and left limit block cooperation guidance steel truss girder to carry out laterally and vertical
Movement on direction, when left limit block touches the bevel edge farthest of left correction guide rail, while right limit block touches the right side and entangles
When the bevel edge farthest of local derviation rail, lateral deviation adjustment is completed.
Preferably, the length of the bevel edge is 1200-2000mm.
Preferably, the left limit block and right limit block are L shape limited block, and the long side setting of the L shape limited block exists
Sliding way I-steel bottom, short side are corresponding with the left correction guide rail/right correction bevel edge of guide rail.
It is described it is left correction guide rail with it is right correction guide rail bottom surface with glide path top surface it is corresponding, the left correction guide rail and the right side
The top surface of correction guide rail is corresponding with sliding way bottom surface.
Preferably, the left correction guide rail and right correction guide rail section are right-angle triangle, and the left correction is led
The right angle long side of rail and it is described it is right correction guide rail right angle long side each parallel to design middle line in order to install, two right angles
The parallel distance of long side is the width of entire steel truss girder to complete second of lateral deviation adjustment, i.e., the described left correction guide rail and the right side
Correction guide rail is rectified a deviation simultaneously.
Preferably, the medial surface of the L shape limited block short side is to drag no more than 50mm for preventing apart from glide path side
Distance is more than 50mm between the middle line of steel truss girder and design middle line during drawing.
Preferably, the right angle bond length of the right angled triangle is more than or equal to 50mm, the right angle bond length
Correspond to lateral deviation Adjustable Range.
Since short side is 50mm, bevel edge 1200-2000mm, so there is certain model at the minimum angle of the right angled triangle
It encloses, wherein the optimal angle in minimum angle of the right angled triangle is 1.58 degree.
Since distance is no more than 50mm between the middle line of steel truss girder in heave and design middle line, and 50mm pairs of short side
It should be lateral deviation Adjustable Range, so being set as the maximum transversal deviation adjusting distance that 50mm is design standard.
Preferably, lubricant is provided on the bevel edge, the lubricant is used to reduce laterally rubbing for correction heave
Wipe power.
Wherein, further included the steel plate of levelling effect, and reduced the polyfluortetraethylene plate of dilatory frictional resistance.
Work step is as follows:
S101, it is drawn before operation starts in steel truss girder, left limit block is fixed on the left of sliding way, right limit block is fixed
On the right side of sliding way；
S102, start dilatory operation, drag sliding way and steel truss girder, when the middle line and design medium line error 20mm of steel truss girder
When above, stop dilatory operation, start setting up left correction guide rail and right correction guide rail；
S1031, the right angle long side of right correction guide rail and design middle line are provided parallel to state, by right correction guide rail right angle
Long side is arranged at a distance from one side of right limit block short side medial surface, i.e. preset value, and it is straight that shown preset value is equal to right correction guide rail
Angle bond length subtracts the deviation for needing to adjust；It and is the distance design closer side of middle line；
S1032, steel truss girder is set by the lateral distance of left correction guide rail right angle long side and right correction guide rail right angle long side
Width sets the fore-and-aft distance of left correction guide rail and right correction guide rail to the distance of left limit block and right limit block, that is, completes
The setting of correction guide rail；
S104, continue dilatory operation, wherein the limited block of side carries out for the first time under the limitation of corresponding correction guide rail
Lateral deviation adjustment is adjusted when the limited block of the other side starts second of lateral deviation after corresponding correction guide rail is in contact,
When the limited block on both sides touches corresponding correction guide rail simultaneously, lateral deviation adjustment terminates, and adjustment is completed.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
The utility model by setting correction guide rail mechanism and position-limit mechanism, correction guide rail mechanism include left correction guide rail with
Right correction guide rail, position-limit mechanism include left limit block and right limit block, the left limit block and left correction guide rail cooperate with
Realize that steel truss girder can be moved toward design middle line left side, the right limit block and right correction guide rail cooperate to realize steel
Trusses can be moved toward design middle line right side, and the left limit block and right limit block are separately fixed at sliding way or so two
Side, the left correction guide rail and right correction guide rail are each attached between sliding way bottom surface and glide path top surface；The left correction is led
Rail and right correction guide rail are oppositely arranged, to realize that the steel truss girder that sliding way is arranged in can be by the right limit block and the right side
Guide rail of rectifying a deviation carries out first time lateral deviation adjustment, then is completed at the same time second of cross together with the left limit block and left correction guide rail
To deviation adjusting.When steel truss girder is drawn, i.e. sliding way is slided, by correction guide rail mechanism fixed on glide path and admittedly
It is scheduled on the position-limit mechanism cooperation of sliding way, the presence of limited block and correction guide rail has guided sliding way and has been arranged on sliding way
Steel truss girder is run by certain track, process, that is, lateral deviation adjustment process of operation, with it is this can by hauling construction
Traditional automatic continuous jack oil pressure/mechanic jacks are substituted with the deviation correcting device rectified a deviation, and solve tradition correction
The problem of step of rectifying a deviation is many and diverse, low efficiency of rectifying a deviation.
Detailed description of the invention
Fig. 1 is the schematic three dimensional views of the utility model；
Fig. 2 is the two-dimensional representation of the utility model；
Fig. 3 is the correction procedure chart of the utility model；
Fig. 4 is the enlarged drawing of the utility model correction process；
Fig. 5 is the structural schematic diagram of correction guide rail；
Fig. 6 is the schematic three dimensional views of correction guide rail and limited block；
Fig. 7 is the two-dimensional representation of correction guide rail and limited block.
Marked in the figure: the left correction guide rail of 1-, the right correction guide rail of 2-, 3- left limit block, 4- right limit block, 5- steel truss girder, 6-
Sliding way, 7- glide path, 8- steel plate, 9- polyfluortetraethylene plate, 10- bevel edge side, 11- short side medial surface, 12- long side outside
Face, 13- design middle line, the right angle a- bond length, b- deviation, c- preset value.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Since short side is 50mm, bevel edge 1200-2000mm, so the minimum angle of the right angled triangle only has 1.4 degree to arrive
2.5 degree, angle is too small, is difficult to that structural relation is presented in figure, therefore the minimum angle of the right angled triangle is shown as in figure
20 degree facilitate understanding, while indicating Steel truss structure using rectangle.
Specific embodiment is as follows, as shown in Figure 1, the schematic three dimensional views of the utility model, wherein steel truss girder 5, sliding way
6, glide path 7, steel plate 8 and polyfluortetraethylene plate 9 are dilatory job execution preparation rather than the composition of deviation correcting device, glide path 7
On the ground, 6 underrun of sliding way is for adjusting the steel plate 8 of flatness and for poly- the four of reducing friction resistance for fixed setting
Vinyl fluoride plate 9 is arranged on 7 top surface of glide path, and steel truss girder 5 is fixed on 6 top surface of sliding way, during correction, on dilatory
Slideway 6 drives steel truss girder 5 to be moved.
In 5 heaves of steel truss girder, that is, sliding way, 6 taxiing procedures, by the correction guide rail fixed on glide path 7
Mechanism and the position-limit mechanism cooperation for being fixed on sliding way 6, guide sliding way 6 and steel truss girder 5 to carry out lateral deviation adjustment.
Wherein, design middle line 13 is the middle line of 7 structure of glide path, the i.e. medium line of 7 width of glide path；Sliding way 6 is under
Slideway 7 is made of I-steel, for the preparation of construction composition for drawing steel truss girder 5.
As shown in Fig. 2, the two-dimensional representation of the utility model, a kind of correction for steel truss girder heave lateral deviation
Device, including correction guide rail mechanism and position-limit mechanism, the correction guide rail mechanism include left correction guide rail 1 and right correction guide rail 2,
The position-limit mechanism includes left limit block 3 and right limit block 4；The left limit block 3 and right limit block 4 are separately fixed at sliding way
6 left and right sides, the left correction guide rail 1 and right correction guide rail 2 are each attached between 7 top surface of 6 bottom surface of sliding way and glide path；
The left correction guide rail 1 and right correction guide rail 2 are oppositely arranged, to realize that the steel truss girder 5 that sliding way 6 is arranged in can be by described
Right limit block 4 and the right correction guide rail 2 carry out first time lateral deviation adjustment, then together with the left limit block 3 and left correction
Guide rail 1 is completed at the same time second of lateral deviation adjustment.
Bottom surface corresponding, the left correction guide rail 1 with 7 top surface of glide path of the left correction guide rail 1 and right correction guide rail 2
With it is right correction guide rail 2 top surface with 6 bottom surface of sliding way it is corresponding.
As positive direction, the component that 13 left side of line in the design is arranged is taken as in the direction moved using steel truss girder 5 in the application
The component on a left side, design 13 right part of middle line is taken as the right side, that is, the limited block that 13 left part of line in the design is arranged is left limit block 3,
Correction guide rail is left correction guide rail 1, that is, the limited block that 13 right part of line in the design is arranged is right limit block 4, and correction guide rail is the right side
Correction guide rail 2；Design middle line 13 is the middle line of steel truss girder 5 when not deviating.
The left limit block 3 and right limit block 4 are separately fixed at 6 left and right sides of sliding way, the left correction guide rail 1 and the right side
Correction guide rail 2 is each attached between 7 top surface of 6 bottom surface of sliding way and glide path, side and right limit by the right correction guide rail 2
The first time lateral deviation adjustment is completed in the cooperation of position block 4, side and left limit block 3 by the left correction guide rail 1
Cooperation, the cooperation of side and right limit block 4 together with the right correction guide rail 2 are completed second of lateral deviation and are adjusted.
The left limit block 3 and right limit block 4 are L shape limited block, and the long side lateral surface 12 of the L shape limited block is arranged
In 6 I-steel bottom of sliding way, the bevel edge corresponding with the left right correction bevel edge of guide rail 2 of correction guide rail 1/ of short side medial surface 11
Side 10 is adapted, when correction, one side of limited block and the side contact of correction guide rail.
Wherein, further included the steel plate 8 of levelling effect, and reduced the polyfluortetraethylene plate 9 of dilatory frictional resistance.
Steel truss girder 5 is arranged on sliding way 6 by reducing the polyfluortetraethylene plate 9 of dilatory frictional resistance, due to polytetrafluoro
The setting of vinyl plate 9, when drawing sliding way 6, steel truss girder 5 can carry out together longitudinal movement with sliding way 6, due to levelling steel plate
8 presence, when drawing sliding way 6, with glide path relative motion, i.e. longitudinal movement can occur for sliding way 6, steel truss girder 5.
As shown in figure 3, the correction procedure chart of the utility model, the left correction guide rail 1 and right correction guide rail 2 are that band is oblique
The guide rail on side, the bevel edge have angle with design middle line 13, and the corresponding bevel edge side 10 of the bevel edge is for guiding steel truss
Beam 5 carries out lateral deviation and adjusts
During correction, described the is completed by the bevel edge side 10 of the right correction guide rail 2 and the cooperation of right limit block 4
Lateral deviation adjustment, by the bevel edge side 10 of the left correction guide rail 1 and the cooperation of left limit block 3, together with the right side
The bevel edge side 10 of correction guide rail 2 and the cooperation of right limit block 4 are completed second of lateral deviation and are adjusted.
The direction moved using steel truss girder 5 is made sliding way 6 using dilatory jack and is arranged on sliding way 6 as positive direction
Steel truss girder 5 moved to the diagram right direction not rotated, i.e., postrotational upper direction is moved, first 4 short side of right limit block
One side of medial surface 11 and the bevel edge side 10 of fixed right correction guide rail 2 are in contact, and force steel truss girder 5 toward design middle line
13 right sides carry out first time lateral deviation adjustment, in heave, when 3 short side medial surface 11 of left limit block one side and it is fixed not
The bevel edge side 10 of dynamic left correction guide rail 1 is in contact, and second of lateral deviation adjustment just starts, left limit block 3 and left correction
The cooperation of guide rail 1, the cooperation together with right limit block 4 and right correction guide rail 2 force the middle line of steel truss girder 5 and the folder of design middle line 13
Angle more becomes smaller, until while the short side of left limit block 3 and left correction guide rail 1 is in contact, right limit block 4 and right correction guide rail
2 short side also contacts, and second of lateral deviation adjustment just terminates.
Wherein, the value of lateral deviation adjustment is the length of short side, dilatory length needed for lateral deviation adjustment, as from the right side
The point that correction guide rail 2 and right limit block 4 contact starts, until while the short side of left limit block 3 and left correction guide rail 1 is in contact
The dilatory length that the short side of right limit block 4 and right correction guide rail 2 is in contact.
As shown in figure 4, Fig. 4 is the enlarged drawing of the utility model correction process, correction can be more clearly seen that from Fig. 4
The matching relationship of guide rail and limited block.
As shown in figure 5, the structural schematic diagram of correction guide rail, the left correction guide rail 1 and right correction guide rail 2 are band bevel edge
Guide rail, the corresponding bevel edge side 10 of the bevel edge is for guiding steel truss girder 5 to carry out lateral deviation adjustment.
The left correction guide rail 1 and right 2 section of correction guide rail are right-angle triangle, the left correction guide rail 1
Right angle long side and it is described it is right correction guide rail 2 right angle long side each parallel to design middle line 13 in order to install, two right angles
The parallel distance of long side is that the width of entire steel truss girder 5 can be together with the right side to complete the left correction guide rail 1 and left limit block 3
Correction guide rail 2 and right limit block 4 carry out second of lateral deviation adjustment, i.e., the described left correction guide rail 1 and right correction guide rail 2 are simultaneously
Correction.
The length of the bevel edge is 1200-2000mm.
The L shape limited block short side medial surface 11 is no more than 50mm, for preventing heave apart from 7 side of glide path
Distance is more than 50mm between the middle line and design middle line 13 of middle steel truss girder 5.
In the present embodiment, the L shape limited block short side medial surface 11 is taken as 50mm apart from 7 side of glide path.
The right angle bond length a of the right angled triangle is to correspond to more than or equal to 50mm, the right angle bond length a
Lateral deviation Adjustable Range.
The right angle bond length a of the right angled triangle takes 50mm in the present embodiment.
Wherein, since bond length is 500mm, the folder of the length of the hypotenuse 1200-2000mm, i.e. bevel edge and design middle line 13
There is certain range at angle, wherein optimal angle is 1.58 degree.
Since distance is no more than 50mm between the middle line of steel truss girder 5 in heave and design middle line 13, and short side
50mm corresponds to lateral deviation Adjustable Range, so being set as the maximum transversal deviation adjusting distance that 50mm is design standard.
As shown in fig. 6, correction guide rail and limited block schematic three dimensional views, wherein one side of limited block short side medial surface 11 with
Contact when the corresponding bevel edge side of the correction guide rail bevel edge 10 just starts contact for line with face, when sliding way 6 is mobile, limit
Position block and then moves, due to the correction bevel edge side 10 of guide rail and being in contact on one side for limited block short side medial surface 11, sliding way 6
Track along correction guide rail is moved, to carry out lateral deviation adjustment.
Lubricant is provided on the corresponding bevel edge side 10 of the bevel edge, the lubricant is for reducing correction heave
Side-friction force.
Work step is as follows:
S101, it is drawn before operation starts in steel truss girder 5, left limit block 3 is fixed on 6 left side of sliding way, by right limit block 4
It is fixed on 6 right side of sliding way；
S102, start dilatory operation, drag sliding way 6 and steel truss girder 5, when the middle line and design middle line 13 of steel truss girder 5 are inclined
When poor 20mm or more, stops dilatory operation, start setting up left correction guide rail 1 and right correction guide rail 2；
S1031, the right angle long side of right correction guide rail 2 and design middle line 13 are provided parallel to state, by right correction guide rail 2
Right angle long side is arranged at a distance from one side of 4 short side medial surface 11 of right limit block, as preset value c, and shown preset value is equal to the right side
Correction 2 right angle bond length a of guide rail subtracts the deviation b for needing to adjust；And the side of setting is that distance design middle line 13 is relatively close
Side；
S1032, steel truss is set by the lateral distance of left correction 1 right angle long side of guide rail and right correction 2 right angle long side of guide rail
5 width of beam sets the fore-and-aft distance of left correction guide rail 1 and right correction guide rail 2 to the distance of left limit block 3 and right limit block 4,
Complete the setting of correction guide rail；
S104, continue dilatory operation, wherein the limited block of side carries out for the first time under the limitation of corresponding correction guide rail
Lateral deviation adjustment is adjusted when the limited block of the other side starts second of lateral deviation after corresponding correction guide rail is in contact,
When the limited block on both sides touches corresponding correction guide rail simultaneously, lateral deviation adjustment terminates, and adjustment is completed.
As shown in fig. 7, correction guide rail and limited block two-dimensional representation, wherein right 2 right angle long side of correction guide rail setting and
The distance on one side of 4 short side medial surface 11 of right limit block, as preset value c, shown preset value c are equal to right 2 right angle of correction guide rail
Bond length a subtracts the deviation b for needing to adjust；And the side of setting is the distance design closer side of middle line 13；
Wherein, limited block is just fixed on sliding way 6 before dilatory, when correction guide rail is the difference for occurring needing to adjust
It starts setting up, that is, is fixed on 7 top surface of glide path, set-up mode is as follows:
When deviation b is maximum, i.e., when 5 middle line of steel truss girder is with 13 deviation 50mm of middle line is designed, the first step leads right correction
The right angle long side and design middle line 13 of rail 2 are provided parallel to state；Second step exists the triangle tip setting of right correction guide rail 2
On 4 short side medial surface 11 of right limit block, at the same it is right correction guide rail 2 the corresponding bevel edge side 10 of bevel edge with and right limit block 4 it is short
Side medial surface 11 is in contact；Third step, by the lateral distance of left correction guide rail 1 and right correction guide rail 2, to be set as steel truss girder 5 wide
Degree sets the fore-and-aft distance of left correction guide rail 1 and right correction guide rail 2 to the distance of left limit block 3 and right limit block 4, i.e., complete
At the setting of correction guide rail.
When deviation b is 0-50mm, such as when deviation b is 30mm, above-mentioned second step is replaced with and leads right correction
2 right angle long side of rail is arranged apart from 4 short side medial surface 1120mm of right limit block, and is the 20mm of close design 13 side of middle line, i.e.,
The right angle long side and design 13 distance value of middle line of right correction guide rail 2 are that half of 5 width of steel truss girder subtracts 20mm.
Wherein Adjustable Range, the i.e. length of correction guide rail short side subtract the correction long back gauge right limit block 4 in guide rail right angle
The distance of short side medial surface 11.The above is only the preferred embodiment of the utility model only, unpractical to limit
Novel, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in
Within the protection scope of the utility model.
Claims (8)
1. a kind of deviation correcting device for steel truss girder heave lateral deviation, which is characterized in that including correction guide rail mechanism and
Position-limit mechanism, the correction guide rail mechanism include left correction guide rail (1) and right correction guide rail (2), and the position-limit mechanism includes solid
The left limit block (3) being scheduled on the left of sliding way (6) and the right limit block (4) being fixed on the right side of sliding way (6)；The left correction is led
Rail (1) and right correction guide rail (2) are each attached between sliding way (6) bottom surface and glide path (7) top surface, the left correction guide rail
(1) it is oppositely arranged with right correction guide rail (2)；
Wherein, on the ground, sliding way (6) underrun is for adjusting flatness for glide path (7) fixed setting
In glide path (7) top surface, steel truss girder (5) is fixed for steel plate (8) and polyfluortetraethylene plate (9) setting for reducing friction resistance
On sliding way (6) top surface, during correction, steel truss girder (5) are driven to be moved by dilatory sliding way (6).
2. a kind of deviation correcting device for steel truss girder heave lateral deviation according to claim 1, which is characterized in that
The left correction guide rail (1) and right correction guide rail (2) are the guide rail with bevel edge, and the bevel edge has with design middle line (13)
Angle, the corresponding bevel edge side (10) of the bevel edge are entangled for guiding steel truss girder (5) to carry out lateral deviation adjustment by the right side
First time lateral deviation adjustment is completed in the cooperation of the bevel edge side (10) and right limit block (4) of local derviation rail (2), is entangled by the left side
The cooperation of the bevel edge side (10) and left limit block (3) of local derviation rail (1), together with the bevel edge side of right correction guide rail (2)
(10) second of lateral deviation adjustment is completed with the cooperation of right limit block (4).
3. a kind of deviation correcting device for steel truss girder heave lateral deviation according to claim 2, which is characterized in that
The length of the bevel edge is 1200-2000mm.
4. a kind of deviation correcting device for steel truss girder heave lateral deviation according to claim 1 to 3, special
Sign is that the left limit block (3) and right limit block (4) are L shape limited block, and the long side of the L shape limited block is arranged upper
Slideway (6) I-steel bottom, short side are corresponding with left correction guide rail (1)/right correction bevel edge of guide rail (2).
5. a kind of deviation correcting device for steel truss girder heave lateral deviation according to claim 4, which is characterized in that
The left correction guide rail (1) and right correction guide rail (2) section are right-angle triangle, left the straight of guide rail (1) of rectifying a deviation
For the right angle long side of angular length side and right correction guide rail (2) each parallel to design middle line (13) in order to install, two described straight
The parallel distance on angular length side is the width of entire steel truss girder (5) to complete second of lateral deviation adjustment, i.e., the described left correction is led
Rail (1) and right correction guide rail (2) are rectified a deviation simultaneously.
6. a kind of deviation correcting device for steel truss girder heave lateral deviation according to claim 5, which is characterized in that
The medial surface of the L shape limited block short side is no more than 50mm, for preventing steel truss in heave apart from glide path (7) side
Distance is more than 50mm between the middle line and design middle line (13) of beam (5).
7. a kind of deviation correcting device for steel truss girder heave lateral deviation according to claim 6, which is characterized in that
The right angle bond length a of the right angled triangle is to correspond to lateral deviation more than or equal to 50mm, the right angle bond length a
Adjustable Range.
8. a kind of deviation correcting device for steel truss girder heave lateral deviation according to claim 3, which is characterized in that
Lubricant is provided on the bevel edge on corresponding bevel edge side (10), the lubricant is used to reduce the side of correction heave
To frictional force.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440656A (en) * | 2018-12-20 | 2019-03-08 | 中铁二局集团有限公司 | A kind of deviation correcting device and method for correcting error for steel truss girder heave lateral deviation |
| CN114134811A (en) * | 2021-10-19 | 2022-03-04 | 中铁二十五局集团第二工程有限公司 | Steel truss girder dragging frame and bridge steel truss girder erecting method |
-
2018
- 2018-12-20 CN CN201822145601.8U patent/CN209339005U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440656A (en) * | 2018-12-20 | 2019-03-08 | 中铁二局集团有限公司 | A kind of deviation correcting device and method for correcting error for steel truss girder heave lateral deviation |
| CN109440656B (en) * | 2018-12-20 | 2024-01-23 | 中铁二局集团有限公司 | Deviation correcting device and deviation correcting method for transverse deviation in steel truss girder dragging process |
| CN114134811A (en) * | 2021-10-19 | 2022-03-04 | 中铁二十五局集团第二工程有限公司 | Steel truss girder dragging frame and bridge steel truss girder erecting method |
| CN114134811B (en) * | 2021-10-19 | 2024-03-08 | 中铁二十五局集团第二工程有限公司 | Steel truss girder traction frame and erection method of steel truss girder for bridge |
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