CN104894977B - A kind of method utilizing three-dimensional adjustable jack device to set up magnetic levitation track girder - Google Patents
A kind of method utilizing three-dimensional adjustable jack device to set up magnetic levitation track girder Download PDFInfo
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- CN104894977B CN104894977B CN201510296185.XA CN201510296185A CN104894977B CN 104894977 B CN104894977 B CN 104894977B CN 201510296185 A CN201510296185 A CN 201510296185A CN 104894977 B CN104894977 B CN 104894977B
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Abstract
The invention discloses a kind of method utilizing three-dimensional adjustable jack device to set up magnetic levitation track girder, the most three-dimensional adjustable jack device, including base, wherein base is provided with chute one, in chute one, level is slided and is provided with chute two, is provided with horizontally slidable vertical jack, this vertical jack glide direction in chute two in chute two, being mutually perpendicular to the chute two glide direction in chute one, the piston on vertical jack can stretch the most up and down.This three-dimensional adjustable jack device is capable of track girder in horizontal, longitudinal, vertical adjustment, its precision adjusted can realize track girder horizontal transverse direction, horizontal longitudinal direction be accurate to ± 5mm within, track girder the vertically degree of vertical direction can be accurate to ± 2 millimeters within；Its method is capable of the automation regulation of track girder, and simple and reliable, efficiency is higher, degree of regulation is the highest, enables in particular to meet high-precision installation of magnetic levitation track girder and sets up requirement.
Description
Technical field
The present invention relates to a kind of bridge construction engineering field, utilize three-dimensional adjustable jack to fill particularly to one
Put the method setting up magnetic levitation track girder.
Background technology
Conventional rails beam typically uses beam car that track girder is transported to scene, crawler crane, automobile when setting up
Hang the mode using double-machine lifting crane by erection of track beam on bridge pier, and use crawler crane, truck crane to carry out
Fallen after the adjustment of track girder beam again.
This lifting sets up the track girder method of adjustment when falling beam, is to be existed by two crawler cranes or truck crane
Move in the air simultaneously, lift, translation etc. adjusts the accurate location of its beam that falls, and not only needs place to compare out
Wealthy, coordinate personnel more, and the time spent is longer, Adjustment precision is relatively low.Its deficiency is also embodied in
Higher to site requirements, in certain circumstances, such as the erection environment across high-voltage line region, it is limited to set up
Region is limited, it is impossible to realizes two crawler cranes or truck crane and coordinates the region realizing adjusting, its track girder adjusts,
The erection that falls becomes more difficult.
Summary of the invention
It is an object of the invention to overcome erection of track beam method traditional in prior art is by two crawler belts
Hang or truck crane ceiling mounted tracks beam two ends respectively aloft coordinate realization progressively to adjust beam, required place
Compared with big, coordinate personnel more, and the above-mentioned deficiency that the time spent is longer, Adjustment precision is relatively low, it is provided that
A kind of three-dimensional adjustable jack device, additionally provides and utilizes this three-dimensional jack to set up the side of magnetic levitation track girder
Method.
In order to realize foregoing invention purpose, the invention provides techniques below scheme:
A kind of three-dimensional adjustable jack device, including base, described base is provided with chute one, described chute
In one, level is slided and is provided with chute two, is provided with horizontally slidable vertical jack in described chute two, described
Vertical jack glide direction in described chute two and the described chute two slip side in described chute one
To being mutually perpendicular to, the piston on described vertical jack can stretch the most up and down.
This three-dimensional adjustable jack device, is provided with orthogonal chute one and chute two, wherein chute two
Level can slide in chute one, vertical jack level can slide in chute two, and the most vertical thousand
The jack that jin top is the most vertically arranged, its piston can vertically move up and down, and this three-dimensional can
Adjust jack device can be implemented in three-dimensional laterally, longitudinally, the regulation in vertical three directions, its
Simple in construction, easy to adjust.Three-dimensional adjustable jack device is arranged on bridge pier pier top, supporting track beam two
End, can carry out the regulation in three directions horizontal, longitudinal and vertical, relative to installing three lists to track girder
Individual jack, and use existing two crawler cranes or truck crane respectively track girder two ends to be lifted on sky
For middle cooperation realizes progressively adjusting beam, this apparatus structure is simple, easy for installation, it is little to take up room, tune
Efficiency is fast, degree of regulation is high for joint, it is possible to realize being automatically adjusted of track girder.
Preferably, described chute two is provided with in the horizontal direction and chute two can be driven to slide back and forth at described chute one
Dynamic horizontal jack.
Chute two level in chute one slides through the jack of horizontally set and realizes.
Preferably, the piston of described horizontal jack is fixed on described chute two in the horizontal direction, stability
Good, precision is high.
Preferably, described vertical jack is provided with in the horizontal direction and described vertical jack can be driven described
The longitudinal jack slidably reciprocated in chute two, good stability, precision are high.
Preferably, the piston of described longitudinal jack is fixed on the cylinder body of described vertical jack in the horizontal direction
On.
Preferably, described vertical jack is single-action hydraulic cylinder, described horizontal jack and longitudinal jack
It is double acting hydraulic cylinder.
Laterally jack and longitudinal jack have employed double acting hydraulic cylinder, it is simple to the left and right of horizontal direction and front
Rear regulation.And vertical jack plays supporting track beam action, use that single-action hydraulic cylinder is unidirectional exerts oneself,
Mechanical caging, have employed artificial external force is that piston returns, it is simple to prevent the hydraulic cylinder of bidirectional power output function from making because of fault
Become automatic oil return to affect degree of regulation, and double acting hydraulic cylinder cost relatively is relatively low.
Present invention also offers a kind of method utilizing three-dimensional adjustable jack device to set up magnetic levitation track girder, bag
Including a kind of three-dimensional adjustable jack device described above, its beam erecting method comprises the following steps:
Step one, preparation of setting a roof beam in place, be transported to scene by track girder, erection support bottom track girder two ends,
Two crawler cranes or truck crane are ready, each pier coping portion on two bridge piers of track girder to be set up
Two bearing pad stones are installed；
Step 2, three-dimensional adjustable jack device is installed, each support pinner both sides on each described bridge pier
Two adjustable jack devices of three-dimensional are installed；
Step 3, lifting first track girder, first track girder two ends are lifted by two crawler cranes or truck crane
Hang, and described three-dimensional track girder two ends being adjusted and being seated in two described bearing pad stone both sides is adjustable very heavy
On ejection device；
Step 4, described three-dimensional is adjustable, and jack accurate adjustment is in place, and described three-dimensional is adjustable jack device passes through
Described chute two is transverse shifting on described chute one, and described vertical jack longitudinally moves on described chute one
Move, and the piston of described vertical jack moves up and down, realize track girder respectively horizontal, longitudinal and perpendicular
To the adjustment of three-dimensional, to reach the installation accuracy requirement of regulation；
Step 5, repeating said steps one to step 4, lift second track girder, install and essence
Adjust；
Step 6, the lifting of straining beam completed between described first track girder, second track girder, weldering
Connecing and install, wherein said straining beam includes end floor beam and middle cross beam；
Step 7, according to described step one to step 6, complete other across track girder install, and pass through institute
State three-dimensional adjustable jack device in place to the regulation of track girder.
This magnetic levitation track beam erection method, have employed two crawler cranes or truck crane and lifts track girder to bridge pier
On, bridge pier installs eight adjustable jack devices of three-dimensional in advance, each track girder one end is seated in two
On three-dimensional adjustable jack device, four adjustable jack of three-dimensional can be capable of track girder horizontal, longitudinal,
Vertical adjustment, its precision adjusted can realize track girder at horizontal transverse direction, horizontal longitudinal direction
Be accurate to ± 5mm within, track girder the vertically degree of vertical direction can be accurate to ± 2 millimeters within.Phase
For utilize existing two crawler cranes or truck crane respectively track girder two ends are lifted on aerial coordinate realize by
Successive step falls for beam, and its control method is capable of the automation regulation of track girder and sets up, simple and reliable,
Efficiency is higher, and the precision of its regulation is higher, enables in particular to meet the high-precision installing rack of magnetic levitation track girder
If requirement.
Preferably, the chute two of each adjustable jack device of described three-dimensional on described chute one along level side
To sliding and being perpendicular to described track girder, described vertical jack slides along described chute two horizontal direction and puts down
Row is in described track girder, vertically slides and be perpendicular to described rail in the piston jacking direction of described vertical jack
Road beam.
By three adjustable directions of three-dimensional adjustable jack device respectively along track girder horizontal cross, level longitudinally
It is arranged on bridge pier with vertical above-below direction, it is simple to track girder horizontal, longitudinal, perpendicular during supporting track beam
To independent regulation, be more prone to realize regulation and regulation reliability be higher.
Preferably, each adjustable jack device of described three-dimensional is arranged over being easy to the steel plate of supporting track beam.
Three-dimensional adjustable jack device arranges steel plate, increases the contact area with track girder, it is simple to more have
Effect and smoothly support, adjustable track beam.
Preferably, embedded sleeve barrel in described track girder, between two described track girders and each described straining beam
Connected by several straight screw sleeves, install simpler.
Compared with prior art, beneficial effects of the present invention:
1, the three-dimensional adjustable jack device of one of the present invention, by orthogonal chute one and chute
Two, wherein chute two level can slide in chute one, and vertical jack can be at chute
In two, level is slided, and the most vertical jack piston can vertically move up and down, should
Three-dimensional adjustable jack device can be implemented in three-dimensional laterally, longitudinally, vertical three
The regulation in individual direction, its simple in construction, take up room little, regulation efficiency fast, easy to adjust,
Easy for installation, it is possible to realize the automation to track girder and regulate；
2, this three-dimensional adjustable jack device, chute two drives on chute one horizontal by horizontal jack
Sliding, vertical jack is driven by longitudinal jack, it is possible to make vertical jack at chute
Longitudinal sliding motion in one, it is possible to effectively control vertical jack in horizontal cross, level longitudinal direction side
To degree of regulation, good stability；
3, the horizontal jack of this three-dimensional adjustable jack device, longitudinal jack all have employed double acting liquid
Cylinder pressure, it is simple to the left and right of horizontal direction and front and back regulating, and vertical jack plays supporting rail
Road beam action, uses that single-action hydraulic cylinder is unidirectional exerts oneself, and mechanical caging have employed artificial
External force is that piston returns, it is simple to prevent the hydraulic cylinder of bidirectional power output function from causing automatic oil return because of fault
Affect degree of regulation, and cost is relatively low；
4, this magnetic levitation track beam erection method, have employed two crawler cranes or truck crane and is lifted extremely by track girder
On bridge pier, bridge pier installs eight adjustable jack devices of three-dimensional, each track girder in advance
One end is seated on two adjustable jack devices of three-dimensional, four adjustable jack devices of three-dimensional
Being capable of track girder in horizontal, longitudinal, vertical adjustment, its precision adjusted can be
Realize track girder horizontal transverse direction, horizontal longitudinal direction be accurate to ± 5mm within, rail
Road beam the vertically degree of vertical direction can be accurate to ± 2 millimeters within；Existing relative to utilizing
Track girder two ends are lifted on and coordinate realization in the air by two crawler cranes having or truck crane respectively
For progressively adjusting beam, its control method is capable of the automation adjusting bracket of track girder
If, simple and reliable, efficiency is higher, and precision of its regulation is higher, enables in particular to meet
The high-precision installation of magnetic levitation track girder sets up requirement.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the adjustable jack device of a kind of three-dimensional of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is that magnetic levitation track beam erection method of the present invention uses three-dimensional adjustable jack device accurate adjustment track
The top view of beam；
Fig. 4 is side view in Fig. 3.
Figure marks:
1, bridge pier, 2, track girder, 3, three-dimensional jack device, 31, base, 32, chute one, 33,
Chute two, 34, horizontal jack, 35, longitudinal jack, 36, vertical jack, 37, piston, 4,
Bearing, 5, bearing pad stone, 6, straining beam, 7, straight screw sleeve.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail.But should be by
This is interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to below example, all real based on present invention institute
Existing technology belongs to the scope of the present invention.
Embodiment 1
As shown in Figure 1, 2, a kind of three-dimensional adjustable jack device 3, including base 31, wherein base 31
Being provided with chute 1, in chute 1, level is slided and is provided with chute 2 33, and being provided with in chute 2 33 can water
Smooth dynamic vertical jack 36, this vertical jack 36 glide direction in chute 2 33, with chute
2 33 glide directions in chute 1 are mutually perpendicular to, and the piston 37 on vertical jack 36 can be along perpendicular
Nogata is to stretching up and down.
It is by being provided with horizontal jack that above-mentioned chute 2 33 slidably reciprocates at chute 1 in the horizontal direction
34 realize, and specifically laterally the piston of jack 34 is fixed on chute 2 33 in the horizontal direction.With
Reason, it is by longitudinal jack that vertical jack 36 slidably reciprocates in the horizontal direction in described chute 2 33
35 realize, and the piston of this longitudinal direction jack 35 is fixed on the cylinder body of vertical jack 36 in the horizontal direction
On.Utilize jack to realize vertical jack 36 in horizontal cross and the slip of horizontal longitudinal direction, its knot
Structure good stability, easy to adjust.
It addition, vertical jack 36 is selected as single-action hydraulic cylinder, horizontal jack 34 and longitudinal jack
35 all select double acting hydraulic cylinder.Its reason is, horizontal jack 34 and longitudinal jack 35 use double
Acting cylinder, it is simple to the left and right of horizontal direction and front and back regulating.And vertically jack 36 plays supporting track
The effect of beam 2, uses that single-action hydraulic cylinder is unidirectional exerts oneself, and mechanical caging, have employed artificial external force is piston
37 return, it is simple to prevent the hydraulic cylinder of bidirectional power output function from causing automatic oil return to affect degree of regulation because of fault, and
Double acting hydraulic cylinder cost relatively is relatively low.
This three-dimensional adjustable jack device 3, is provided with orthogonal chute 1 and chute 2 33, wherein
Chute 2 33 can in chute 1 level slide, vertical jack 36 can in chute 2 33 water
Smooth dynamic, that the most vertical jack 36 is the most vertically arranged jack, its piston 37 can be along perpendicular
Nogata is to moving up and down, and it is horizontal, vertical that this three-dimensional adjustable jack device 3 can be implemented in three-dimensional
To, the regulation in vertical three directions, its simple in construction, easy to adjust.By three-dimensional adjustable jack device 3
It is arranged on bridge pier 1 pier top, supporting track beam 2 two ends, track girder 2 can be carried out horizontal, longitudinal and perpendicular
To the regulation in three directions, relative to installing three single jack, and use existing two crawler belts
Hang or track girder 2 two ends are lifted on aerial for coordinating realization progressively to adjust beam by truck crane respectively, this dress
Put simple in construction, easy for installation, take up room little, regulation efficiency is fast, degree of regulation is high, it is possible to realize rail
Being automatically adjusted of road beam 2.
Embodiment 2
Present invention also offers a kind of method utilizing three-dimensional adjustable jack device to set up magnetic levitation track girder, bag
Including a kind of three-dimensional adjustable jack device 3 described above, as shown in Figure 3,4, its beam erecting method includes following
Step:
Step one, preparation of setting a roof beam in place, be transported to scene by track girder 2, installs and prop up bottom track girder 2 two ends
Seat 4, two crawler cranes or truck crane are ready, each on two bridge piers 1 of track girder 2 to be set up
Two bearing pad stones 5 are installed at bridge pier 1 top；
Step 2, three-dimensional adjustable jack device 3 is installed, each support pinner two on each described bridge pier 1
Two adjustable jack devices of three-dimensional 3 are installed in side；
Step 3, lifting first track girder 2, two crawler cranes or truck crane are by first track girder 2 two ends
Lift, and described three-dimensional track girder 2 two ends being adjusted and being seated in two described bearing pad stone 5 both sides can
Adjust on jack device 3；
Step 4, described three-dimensional is adjustable, and jack accurate adjustment is in place, logical on described three-dimensional is adjustable jack device 3
Crossing described chute 2 33 transverse shifting on described chute 1, described vertical jack 36 is at described chute
Vertically move on one 32, and the piston 37 of described vertical jack 36 moves up and down, and realizes track respectively
Beam 2 is in the adjustment of three-dimensional horizontal, longitudinal and vertical, to reach the installation accuracy requirement of regulation；
Step 5, repeating said steps one to step 4, second track girder 2 is lifted, install and
Accurate adjustment；
Step 6, the lifting of the straining beam 6 completed between 2, second track girder 2 of described first track girder,
Welding and installation, wherein said straining beam 6 includes end floor beam and middle cross beam；
Step 7, according to described step one to step 6, complete other across track girder 2 install, and pass through
Described three-dimensional is adjustable, and jack device 3 is in place to the regulation of track girder 2.
This magnetic levitation track girder 2 erection method, have employed two crawler cranes or truck crane track girder 2 is lifted to
On bridge pier 1, bridge pier 1 installs eight adjustable jack devices of three-dimensional 3, each track girder 2 one end in advance
Being seated on two adjustable jack devices of three-dimensional 3, four adjustable jack devices of three-dimensional 3 are capable of rail
Road beam 2 is in horizontal, longitudinal, vertical adjustment, and its precision adjusted can realize track girder 2 in level
Horizontal direction, horizontal longitudinal direction be accurate to ± 5mm within, track girder 2 vertically spends energy at vertical direction
Enough be accurate to ± 2 millimeters within.Relative to utilizing existing two crawler cranes or truck crane respectively by track girder 2
Two ends are lifted on aerial for coordinating realization progressively to adjust beam, and its control method is capable of track girder 2
Automation regulation sets up, simple and reliable, efficiency is higher, and precision of its regulation is higher, enables in particular to full
The high-precision installation of foot magnetic levitation track girder 2 sets up requirement.
The above-mentioned adjustable jack device of each three-dimensional 3 installation site on bridge pier 1 is: chute 2 33 exists
Sliding in the horizontal direction on chute 1 and be perpendicular to track girder 2, vertical jack 36 is along chute 2 33 water
Square to slide and be parallel to track girder 2, vertically slide also in the piston 37 jacking direction of vertical jack 36
It is perpendicular to track girder 2.By three adjustable directions of three-dimensional adjustable jack device 3 respectively along track girder 2 level
Laterally, level is longitudinally arranged on bridge pier 1 with vertical above-below direction, it is simple to track during supporting track beam 2
Beam 2, in horizontal, longitudinal, vertical independent regulation, is more prone to realize regulation and regulation reliability is higher.
In order to increase and the contact area of track girder 2, it is simple to more effectively with support, adjustable track beam 2 smoothly,
Each three-dimensional is adjustable, and jack device 3 is arranged over being easy to the steel plate of supporting track beam 2.
Above-mentioned step to installing straining beam 6 in track girder 2, is wherein to improve beam bending resistance, especially
It is along track girder 2 horizontal direction, in order to will firmly install between straining beam 6 and track girder 2, each
Embedded sleeve barrel in track girder 2, several respectively and are passed through between each track girder 2 in each straining beam 6 two ends
Straight screw sleeve 7 connects, and is then molded by straining beam 6 concreting.After finally completing regulation
With bearing 4, bearing 4 is closely connected with bearing pad stone 5 seamless at the bottom of track girder 2 beam, bearing anchor hole uses gravity
Formula grouting is filled up, intensity meets the requirements.
Claims (9)
1. one kind utilizes the method that three-dimensional adjustable jack device sets up magnetic levitation track girder, it is characterised in that include
Three-dimensional adjustable jack device (3), it includes that base (31), described base (31) are provided with chute one (32),
The interior level of described chute one (32) is slided and is provided with chute two (33), and being provided with in described chute two (33) can level
The vertical jack (36) slided, the described vertical jack (36) slip side in described chute two (33)
It is mutually perpendicular to the described chute two (33) glide direction in described chute one (32), described vertical thousand
Piston (37) on jin top (36) can stretch the most up and down；Its beam erecting method comprises the following steps:
Step one, preparation of setting a roof beam in place, be transported to scene by track girder (2), installs and prop up bottom track girder (2) two ends
Seat (4), two crawler cranes or truck crane are ready, each on two bridge piers of track girder to be set up (2)
Pier coping portion installs two bearing pad stones (5)；
Step 2, three-dimensional adjustable jack device (3) is installed, each support pinner two on each described bridge pier
Two the adjustable jack device of three-dimensionals (3) are installed in side；
Step 3, lifting first track girder (2), two crawler cranes or truck crane are by first track girder (2) two
End lifts, and track girder (2) two ends is adjusted and are seated in the described three-dimensional of two described bearing pad stone (5) both sides
On adjustable jack device (3)；
Step 4, described three-dimensional is adjustable, and jack accurate adjustment is in place, and described three-dimensional is adjustable, and jack device (3) is upper logical
Crossing described chute two (33) transverse shifting on described chute one (32), described vertical jack (36) is in described cunning
Vertically move on groove one (32), and the piston (37) of described vertical jack (36) moves up and down, and realizes respectively
Track girder (2) is in the adjustment of three-dimensional horizontal, longitudinal and vertical, to reach the installation accuracy requirement of regulation；
Step 5, repeating said steps one to step 4, second track girder (2) is lifted, install and
Accurate adjustment；
Step 6, the hanging of straining beam (6) completed between described first track girder (2), second track girder (2)
Filling, weld and install, wherein said straining beam (6) includes end floor beam and middle cross beam；
Step 7, according to described step one to step 6, complete other across track girder (2) install, and pass through
Described three-dimensional is adjustable, and jack device (3) is in place to the regulation of track girder (2).
The three-dimensional adjustable jack device of utilization the most according to claim 1 sets up the method for magnetic levitation track girder,
It is characterized in that, the chute two (33) of the adjustable jack device of each described three-dimensional (3) is at described chute one
(32) sliding in the horizontal direction on and be perpendicular to described track girder (2), described vertical jack (36) is along institute
State chute two (33) horizontal direction slide and be parallel to described track girder (2), described vertical jack (36)
Piston (37) jacking direction vertically slide and be perpendicular to described track girder (2).
The three-dimensional adjustable jack device of utilization the most according to claim 1 sets up the method for magnetic levitation track girder,
It is characterized in that, the adjustable jack device of each described three-dimensional (3) is arranged over being easy to supporting track beam (2)
Steel plate.
The three-dimensional adjustable jack device of utilization the most according to claim 1 sets up the method for magnetic levitation track girder,
It is characterized in that, described track girder (2) interior embedded sleeve barrel, two described track girders (2) and each described horizontal stroke
Connected by several straight screw sleeves (7) between binder (6).
The three-dimensional adjustable jack device of utilization the most according to claim 1 sets up the method for magnetic levitation track girder,
It is characterized in that, described chute two (33) is provided with in the horizontal direction and chute two (33) can be driven in described cunning
The horizontal jack (34) that groove one (32) slidably reciprocates.
The three-dimensional adjustable jack device of utilization the most according to claim 5 sets up the method for magnetic levitation track girder,
It is characterized in that, the piston (37) of described horizontal jack (34) is fixed on described chute two in the horizontal direction
(33) on.
7. set up magnetic levitation track girder according to the arbitrary described three-dimensional adjustable jack device that utilizes of claim 1-6
Method, it is characterised in that described vertical jack (36) is provided with in the horizontal direction and can drive described erecting
The longitudinal jack (35) slidably reciprocated in described chute two (33) to jack (36).
The three-dimensional adjustable jack device of utilization the most according to claim 7 sets up the method for magnetic levitation track girder,
It is characterized in that, the piston (37) of described longitudinal jack (35) is fixed on described vertical thousand in the horizontal direction
On the cylinder body of jin top (36).
The three-dimensional adjustable jack device of utilization the most according to claim 8 sets up the method for magnetic levitation track girder,
It is characterized in that, described vertical jack (36) is single-action hydraulic cylinder, described horizontal jack (34)
It is double acting hydraulic cylinder with longitudinal jack (35).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510296185.XA CN104894977B (en) | 2015-06-02 | 2015-06-02 | A kind of method utilizing three-dimensional adjustable jack device to set up magnetic levitation track girder |
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| CN201510296185.XA CN104894977B (en) | 2015-06-02 | 2015-06-02 | A kind of method utilizing three-dimensional adjustable jack device to set up magnetic levitation track girder |
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| CN104894977B true CN104894977B (en) | 2016-09-07 |
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| CN104894977A (en) | 2015-09-09 |
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