CN104894977A - Three-dimensional adjustable jack device and method used for setting up maglev rail girders - Google Patents
Three-dimensional adjustable jack device and method used for setting up maglev rail girders Download PDFInfo
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- CN104894977A CN104894977A CN201510296185.XA CN201510296185A CN104894977A CN 104894977 A CN104894977 A CN 104894977A CN 201510296185 A CN201510296185 A CN 201510296185A CN 104894977 A CN104894977 A CN 104894977A
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Abstract
The invention discloses a three-dimensional adjustable jack device and a method used for setting up maglev rail girders. The three-dimensional adjustable jack device comprises a base, a first slide groove is arranged in the base, a second slide groove is horizontally and slidably arranged in the first slide groove, a vertical jack capable of sliding horizontally is arranged in the second slide groove, the sliding direction of the vertical jack in the second slide groove is perpendicular to the sliding direction of the second slide groove in the first slide groove, and a piston on the vertical jack can telescope up and down along the vertical direction. The three-dimensional adjustable jack device can realize transverse, longitudinal and vertical adjustment of the rail girders, precision in adjustment of the rail girders in the horizontal transverse direction and the horizontal longitudinal direction can be accurate to within +/-5mm, and verticality of the rail girders in the vertical direction can be accurate to within +/-2mm. By the method, automatic adjustment of the rail girders can be realized, simplicity, reliability, high efficiency and higher adjustment precision are achieved, and particularly the requirements on high-precision installation and set-up of the maglev rail girders can be met.
Description
Technical field
The present invention relates to a kind of bridge construction engineering field, particularly the adjustable jack device of a kind of three-dimensional and the method for setting up magnetic levitation track girder.
Background technology
Conventional rails beam generally adopts Beam transportation vehicle that rail beam is transported to scene when setting up, and crawler crane, mobile crane use the mode of double-machine lifting crane by erection of track beam on bridge pier, and the beam that fallen again after using crawler crane, mobile crane to carry out the adjustment of rail beam.
This lifting sets up the method for adjustment of rail beam when falling beam, be aloft moved by two crawler cranes or mobile crane simultaneously, be elevated, accurate location that translation etc. adjusts its beam that falls, not only need that place is openr, cooperation personnel are more, and the time of cost is longer, Adjustment precision is lower.Its deficiency is also embodied in higher to site requirements, for in certain circumstances, as the erection environment across high-voltage line region, be limited to erection region and limit, cannot realize the region of two crawler cranes or mobile crane cooperation realization adjustment, the adjustment of its rail beam, the erection that falls become more difficult.
Summary of the invention
The object of the invention is to overcome erection of track beam method traditional in prior art is coordinate realization progressively to adjust beam aloft in ceiling mounted tracks beam two ends respectively by two crawler cranes or mobile crane, required place is comparatively large, personnel are more in cooperation, and the above-mentioned deficiency that the time is longer, Adjustment precision is lower of cost, a kind of three-dimensional adjustable jack device is provided, additionally provides and utilize this three-dimensional jack to set up the method for magnetic levitation track girder.
In order to realize foregoing invention object, the invention provides following technical scheme:
A kind of three-dimensional adjustable jack device, comprise base, described base is provided with chute one, in described chute one, horizontal slip is provided with chute two, being provided with in described chute two can the vertical jack of horizontal slip, the glide direction of described vertical jack in described chute two is mutually vertical with the glide direction of described chute two in described chute one, and the piston on described vertical jack can vertically stretch up and down.
This three-dimensional adjustable jack device, be provided with orthogonal chute one and chute two, wherein chute two can horizontal slip in chute one, vertical jack can horizontal slip in chute two, the simultaneously jack that namely vertically arranges of vertical jack, its piston can vertically move up and down, and this three-dimensional adjustable jack device can be implemented in three-dimensional---and the adjustment in transverse direction, longitudinal direction, vertical three directions, its structure is simple, easy to adjust.Adjustable for three-dimensional jack device is arranged on bridge pier Dun Ding, supporting track beam two ends, adjustment that is horizontal, longitudinal and vertical three directions can be carried out to rail beam, the jack single relative to installation three, and use existing two crawler cranes or mobile crane to be lifted at rail beam two ends respectively aerial cooperation to realize progressively adjustment and to fall Liang Eryan, this apparatus structure is simple, easy for installation, it is little to take up room, regulate that efficiency is fast, degree of regulation is high, can realize the automatic adjustment of rail beam.
Preferably, described chute two is provided with the horizontal jack that chute two can be driven to slidably reciprocate at described chute one in the horizontal direction.
Chute two horizontal slip in chute one is realized by the jack of horizontally set.
Preferably, the piston of described horizontal jack is fixed on described chute two in the horizontal direction, and good stability, precision is high.
Preferably, described vertical jack is provided with longitudinal jack that described vertical jack can be driven to slidably reciprocate in described chute two in the horizontal direction, and 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.
Preferably, described vertical jack is single-action hydraulic cylinder, and described horizontal jack and longitudinal jack are double acting hydraulic cylinder.
Horizontal jack and longitudinal jack have employed double acting hydraulic cylinder, and left and right and the front and back of being convenient to horizontal direction regulate.And vertical jack plays supporting track beam action, adopt that single-action hydraulic cylinder is unidirectional exerts oneself, mechanical caging, have employed artificial external force is that piston returns, be convenient 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 is lower relatively.
Present invention also offers a kind of method utilizing three-dimensional adjustable jack device erection magnetic levitation track girder, comprise 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 rail beam, erection support bottom rail beam two ends, two crawler cranes or mobile crane ready, waiting set up rail beam two bridge piers on each pier coping portion two bearing pad stones are installed;
Step 2, install three-dimensional adjustable jack device, on each described bridge pier, two adjustable jack devices of three-dimensional are installed in each support pinner both sides;
Step 3, lifting first rail beam, first rail beam two ends lift by two crawler cranes or mobile crane, and are adjusted at rail beam two ends and be seated on the adjustable jack device of described three-dimensional of two described bearing pad stone both sides;
Step 4, described three-dimensional is adjustable, and jack accurate adjustment is in place, by described chute two transverse shifting on described chute one on described three-dimensional is adjustable jack device, described vertical jack vertically moves on described chute one, and the piston of described vertical jack moves up and down, realize the adjustment of rail beam at horizontal, longitudinal and vertical three-dimensional respectively, to reach the installation accuracy requirement of regulation;
Step 5, repeating said steps one to step 4, lift second rail beam, install and accurate adjustment;
Step 6, the lifting completing the straining beam between described first rail beam, second rail beam, welding and installation, wherein said straining beam comprises end floor beam and middle cross beam;
Step 7, according to described step one to step 6, complete other across rail beam install, and in place by the adjustment of the adjustable jack device of described three-dimensional to rail beam.
This magnetic levitation track beam erection method, have employed two crawler cranes or mobile crane by rail beam lifting on bridge pier, bridge pier installs in advance eight adjustable jack devices of three-dimensional, each rail beam one end is seated on two adjustable jack devices of three-dimensional, four adjustable jack of three-dimensional can realize rail beam in horizontal, longitudinal, vertical adjustment, its adjustment precision can realize rail beam horizontal transverse direction, horizontal longitudinal direction be accurate to ± 5mm within, rail beam the vertical bury pipe of vertical direction can be accurate to ± 2 millimeters within.Respectively rail beam two ends are lifted on relative to utilizing existing two crawler cranes or mobile crane and aerial cooperation realize progressively adjusting Liang Eryan, the automation that its control method can realize rail beam regulates erection, simple and reliable, efficiency is higher, and its precision regulated is higher, magnetic levitation track girder high-precision installation erection requirement especially can be met.
Preferably, the chute two of the adjustable jack device of each described three-dimensional slides in the horizontal direction and perpendicular to described rail beam on described chute one, described vertical jack slides along described chute two horizontal direction and is parallel to described rail beam, vertically slides and perpendicular to described rail beam in the piston jacking direction of described vertical jack.
Three adjustable directions of adjustable for three-dimensional jack device are arranged on bridge pier along rail beam horizontal cross, the longitudinal and vertical above-below direction of level respectively, when being convenient to supporting track beam to rail beam in horizontal, longitudinal, vertical independent adjustment, be more prone to realize regulating and regulate reliability higher.
Preferably, the steel plate being convenient to supporting track beam is provided with above the adjustable jack device of each described three-dimensional.
The adjustable jack device of three-dimensional arranges steel plate, and increase and the contact area of rail beam, be convenient to more effective and stable support, adjustable track beam.
Preferably, embedded sleeve barrel in described rail beam, two described rail beams are connected by several straight screw sleeves with between each described straining beam, install simpler.
Compared with prior art, beneficial effect 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 can horizontal slip in chute one, vertical jack can horizontal slip in chute two, vertical jack piston can vertically move up and down simultaneously, this three-dimensional adjustable jack device can be implemented in three-dimensional---the adjustment in transverse direction, longitudinal direction, vertical three directions, its structure is simple, it is little to take up room, regulate efficiency fast, easy to adjust, easy for installation, can realize regulating the automation of rail beam;
2, this three-dimensional adjustable jack device, chute two is driven by horizontal jack and laterally slides on chute one, vertical jack is driven by longitudinal jack, the longitudinal sliding motion in chute one of vertical jack can be made, effectively can control the degree of regulation of vertical jack at horizontal cross, horizontal longitudinal direction, good stability;
3, the horizontal jack of this three-dimensional adjustable jack device, longitudinal jack all have employed double acting hydraulic cylinder, left and right and the front and back of being convenient to horizontal direction regulate, and vertical jack plays supporting track beam action, adopt that single-action hydraulic cylinder is unidirectional exerts oneself, mechanical caging, have employed artificial external force is that piston returns, and be convenient to prevent the hydraulic cylinder of bidirectional power output function from causing automatic oil return to affect degree of regulation because of fault, and cost is lower;
4, this magnetic levitation track beam erection method, have employed two crawler cranes or mobile crane by rail beam lifting on bridge pier, bridge pier installs in advance eight adjustable jack devices of three-dimensional, each rail beam one end is seated on two adjustable jack devices of three-dimensional, four adjustable jack devices of three-dimensional can realize rail beam in horizontal, longitudinal, vertical adjustment, its adjustment precision can realize rail beam horizontal transverse direction, horizontal longitudinal direction be accurate to ± 5mm within, rail beam the vertical bury pipe of vertical direction can be accurate to ± 2 millimeters within; Respectively rail beam two ends are lifted on relative to utilizing existing two crawler cranes or mobile crane and aerial cooperation realize progressively adjusting Liang Eryan, the automation that its control method can realize rail beam regulates erection, simple and reliable, efficiency is higher, and its precision regulated is higher, magnetic levitation track girder high-precision installation erection requirement especially can be met.
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 the top view that magnetic levitation track beam erection method of the present invention adopts three-dimensional adjustable jack device accurate adjustment rail beam;
Fig. 4 is lateral view in Fig. 3.
Mark in figure:
1, bridge pier, 2, rail beam, 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 this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
Embodiment 1
As shown in Figure 1, 2, a kind of three-dimensional adjustable jack device 3, comprise base 31, wherein base 31 is provided with chute 1, in chute 1, horizontal slip is provided with chute 2 33, and being provided with in chute 2 33 can the vertical jack 36 of horizontal slip, the glide direction of this vertical jack 36 in chute 2 33, mutually vertical with the glide direction of chute 2 33 in chute 1, the piston 37 on vertical jack 36 can vertically stretch up and down.
Above-mentioned chute 2 33 slidably reciprocates at chute 1 in the horizontal direction and to realize by being provided with horizontal jack 34, and specifically the piston of horizontal jack 34 is fixed on chute 2 33 in the horizontal direction.In like manner, vertical jack 36 is slidably reciprocated in the horizontal direction and to be realized by longitudinal jack 35 in described chute 2 33, and the piston of this longitudinal jack 35 is fixed on the cylinder body of vertical jack 36 in the horizontal direction.Utilize jack to realize the slip of vertical jack 36 at horizontal cross and horizontal longitudinal direction, its structural stability is good, easy to adjust.
In addition, vertical jack 36 is selected as single-action hydraulic cylinder, and horizontal jack 34 and longitudinal jack 35 all select double acting hydraulic cylinder.Its reason is, horizontal jack 34 and longitudinal jack 35 adopt double acting hydraulic cylinder, and left and right and the front and back of being convenient to horizontal direction regulate.And vertical jack 36 plays the effect of supporting track beam 2, adopt that single-action hydraulic cylinder is unidirectional exerts oneself, mechanical caging, have employed artificial external force is that piston 37 returns, be convenient 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 is lower relatively.
This three-dimensional adjustable jack device 3, be provided with orthogonal chute 1 and chute 2 33, wherein chute 2 33 can horizontal slip in chute 1, vertical jack 36 can horizontal slip in chute 2 33, the simultaneously jack that namely vertically arranges of vertical jack 36, its piston 37 can vertically move up and down, and this three-dimensional adjustable jack device 3 can be implemented in three-dimensional---and the adjustment in transverse direction, longitudinal direction, vertical three directions, its structure is simple, easy to adjust.Adjustable for three-dimensional jack device 3 is arranged on bridge pier 1 Dun Ding, supporting track beam 2 two ends, adjustment that is horizontal, longitudinal and vertical three directions can be carried out to rail beam 2, the jack single relative to installation three, and use existing two crawler cranes or mobile crane to be lifted at rail beam 2 two ends respectively aerial cooperation to realize progressively adjustment and to fall Liang Eryan, this apparatus structure is simple, easy for installation, it is little to take up room, regulate that efficiency is fast, degree of regulation is high, can realize the automatic adjustment of rail beam 2.
Embodiment 2
Present invention also offers a kind of method utilizing three-dimensional adjustable jack device erection magnetic levitation track girder, comprise a kind of three-dimensional adjustable jack device 3 described above, as shown in Figure 3,4, its beam erecting method comprises the following steps:
Step one, preparation of setting a roof beam in place, be transported to scene by rail beam 2, bottom rail beam 2 two ends erection support 4, two crawler cranes or mobile crane ready, waiting set up rail beam 2 two bridge piers 1 on each bridge pier 1 top two bearing pad stones 5 are installed;
Step 2, install three-dimensional adjustable jack device 3, on each described bridge pier 1, two adjustable jack devices 3 of three-dimensional are installed in each support pinner both sides;
First rail beam 2 two ends lift by step 3, lifting first rail beam 2, two crawler cranes or mobile crane, and are adjusted at rail beam 2 two ends and be seated on the adjustable jack device 3 of described three-dimensional of two described bearing pad stone 5 both sides;
Step 4, described three-dimensional is adjustable, and jack accurate adjustment is in place, by described chute 2 33 transverse shifting on described chute 1 on described three-dimensional is adjustable jack device 3, described vertical jack 36 vertically moves on described chute 1, and the piston 37 of described vertical jack 36 moves up and down, realize the adjustment of rail beam 2 at horizontal, longitudinal and vertical three-dimensional respectively, to reach the installation accuracy requirement of regulation;
Step 5, repeating said steps one to step 4, lift second rail beam 2, install and accurate adjustment;
Step 6, the lifting completing the straining beam 6 between described first rail beam 2, second rail beam 2, welding and installation, wherein said straining beam 6 comprises end floor beam and middle cross beam;
Step 7, according to described step one to step 6, complete other across rail beam 2 install, and in place by the adjustment of the adjustable jack device of described three-dimensional 3 pairs of rail beams 2.
This magnetic levitation track girder 2 erection method, have employed two crawler cranes or rail beam 2 lifts on bridge pier 1 by mobile crane, bridge pier 1 installs in advance eight adjustable jack devices 3 of three-dimensional, each rail beam 2 one end is seated on two adjustable jack devices 3 of three-dimensional, four adjustable jack devices of three-dimensional 3 can realize rail beam 2 in horizontal, longitudinal, vertical adjustment, its adjustment precision can realize rail beam 2 horizontal transverse direction, horizontal longitudinal direction be accurate to ± 5mm within, rail beam 2 the vertical bury pipe of vertical direction can be accurate to ± 2 millimeters within.Respectively rail beam 2 two ends are lifted on relative to utilizing existing two crawler cranes or mobile crane and aerial cooperation realize progressively adjusting Liang Eryan, the automation that its control method can realize rail beam 2 regulates erection, simple and reliable, efficiency is higher, and its precision regulated is higher, magnetic levitation track girder 2 high-precision installation erection requirement especially can be met.
Above-mentioned each three-dimensional is adjustable, and the installation site of jack device 3 on bridge pier 1 is: chute 2 33 on chute 1 in the horizontal direction slide and perpendicular to rail beam 2, vertical jack 36 slides along chute 2 33 horizontal direction and is parallel to rail beam 2, vertically slides and perpendicular to rail beam 2 in the piston 37 jacking direction of vertical jack 36.Three adjustable directions of adjustable for three-dimensional jack device 3 are arranged on bridge pier 1 along rail beam 2 horizontal cross, the longitudinal and vertical above-below direction of level respectively, when being convenient to supporting track beam 2 to rail beam 2 in horizontal, longitudinal, vertical independent adjustment, be more prone to realize regulating and regulate reliability higher.
In order to increase the contact area with rail beam 2, being convenient to more effectively and stably to support, adjustable track beam 2, above each three-dimensional is adjustable jack device 3, being provided with the steel plate being convenient to supporting track beam 2.
Above-mentioned step wherein installs straining beam 6 in rail beam 2, to improve beam bending resistance, especially along rail beam 2 horizontal direction, in order to install firmly between straining beam 6 and rail beam 2, embedded sleeve barrel in each rail beam 2, each straining beam 6 two ends are connected by several straight screw sleeves 7 with between each rail beam 2 respectively, then shaping by straining beam 6 concreting.Finally closely connected seamless with bearing 4, bearing 4 and bearing pad stone 5 by completing at the bottom of the rail beam after adjustment 2 beam, bearing anchor hole employing gravity type grouting fills up, intensity meets the requirements.
Claims (10)
1. the adjustable jack device of three-dimensional (3), it is characterized in that, comprise base (31), described base (31) is provided with chute one (32), the interior horizontal slip of described chute one (32) is provided with chute two (33), being provided with in described chute two (33) can the vertical jack (36) of horizontal slip, the glide direction of described vertical jack (36) in described chute two (33) is mutually vertical with the glide direction of described chute two (33) in described chute one (32), piston (37) on described vertical jack (36) can vertically stretch up and down.
2. the three-dimensional adjustable jack device (3) of one according to claim 1, it is characterized in that, described chute two (33) is provided with the horizontal jack (34) that chute two (33) can be driven to slidably reciprocate at described chute one (32) in the horizontal direction.
3. the three-dimensional adjustable jack device (3) of one according to claim 2, is characterized in that, the piston (37) of described horizontal jack (34) is fixed on described chute two (33) in the horizontal direction.
4. according to the three-dimensional adjustable jack device (3) of the arbitrary described one of claim 1-3, it is characterized in that, described vertical jack (36) is provided with longitudinal jack (35) that described vertical jack (36) can be driven to slidably reciprocate in described chute two (33) in the horizontal direction.
5. the three-dimensional adjustable jack device (3) of one according to claim 4, it is characterized in that, the piston (37) of described longitudinal jack (35) is fixed on the cylinder body of described vertical jack (36) in the horizontal direction.
6. the three-dimensional adjustable jack device (3) of one according to claim 5, it is characterized in that, described vertical jack (36) is single-action hydraulic cylinder, and described horizontal jack (34) and longitudinal jack (35) are double acting hydraulic cylinder.
7. utilize a method for three-dimensional adjustable jack device erection magnetic levitation track girder, it is characterized in that, comprise the described one adjustable jack device of three-dimensional (3) as arbitrary in claim 1-5, its beam erecting method comprises the following steps:
Step one, preparation of setting a roof beam in place, rail beam (2) is transported to scene, erection support (4) bottom rail beam (2) two ends, two crawler cranes or mobile crane ready, waiting set up rail beam (2) two bridge piers on each pier coping portion two bearing pad stones (5) are installed;
Step 2, install three-dimensional adjustable jack device (3), on each described bridge pier, two adjustable jack devices of three-dimensional (3) are installed in each support pinner both sides;
Step 3, lifting first rail beam (2), first rail beam (2) two ends lift by two crawler cranes or mobile crane, and are adjusted at rail beam (2) two ends and be seated on the adjustable jack device of described three-dimensional (3) of two described bearing pad stone (5) both sides;
Step 4, described three-dimensional is adjustable, and jack accurate adjustment is in place, on described three-dimensional is adjustable jack device (3) by described chute two (33) at the upper transverse shifting of described chute one (32), described vertical jack (36) vertically moves on described chute one (32), and the piston (37) of described vertical jack (36) moves up and down, realize the adjustment of rail beam (2) at horizontal, longitudinal and vertical three-dimensional respectively, to reach the installation accuracy requirement of regulation;
Step 5, repeating said steps one to step 4, lift second rail beam (2), install and accurate adjustment;
Step 6, the lifting completing the straining beam (6) between described first rail beam (2), second rail beam (2), welding and installation, wherein said straining beam (6) comprises end floor beam and middle cross beam;
Step 7, according to described step one to step 6, complete other across rail beam (2) install, and in place by the adjustment of the adjustable jack device of described three-dimensional (3) to rail beam (2).
8. the method for the three-dimensional adjustable jack device erection magnetic levitation track girder of utilization according to claim 7, it is characterized in that, the chute two (33) of the adjustable jack device of each described three-dimensional (3) slides in the horizontal direction and perpendicular to described rail beam (2) on described chute one (32), described vertical jack (36) is slided along described chute two (33) horizontal direction and is parallel to described rail beam (2), vertically slide and perpendicular to described rail beam (2) in piston (37) the jacking direction of described vertical jack (36).
9. the method for the three-dimensional adjustable jack device erection magnetic levitation track girder of utilization according to claim 7, it is characterized in that, the adjustable jack device of each described three-dimensional (3) top is provided with the steel plate being convenient to supporting track beam (2).
10. the method for the three-dimensional adjustable jack device erection magnetic levitation track girder of utilization according to claim 7, it is characterized in that, described rail beam (2) interior embedded sleeve barrel, two described rail beams (2) are connected by several straight screw sleeves (7) with between each described straining beam (6).
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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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