CN209039882U - The hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device - Google Patents
The hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device Download PDFInfo
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- CN209039882U CN209039882U CN201821592977.7U CN201821592977U CN209039882U CN 209039882 U CN209039882 U CN 209039882U CN 201821592977 U CN201821592977 U CN 201821592977U CN 209039882 U CN209039882 U CN 209039882U
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Abstract
The utility model discloses a kind of hinged horizontal mobile devices of medium-and low-speed maglev bridge big displacement telescopic device, and end section of track structure and telescopic device support is respectively arranged in the back of two beam-ends of adjacent orbit beam；Freely-supported stringer is set between telescopic device support, and one end is rotatable, the other end is rotatable and sliding；The upper end of freely-supported stringer is slidably provided with the flexible section of track of modularization by stringer carriage；The flexible section of track of modularization includes several section of track subelements；The track girder and end section of track structure of section of track subelement are respectively provided with hinged horizontal mobile device；Linkage is provided between adjacent two sections of track subelement and between the section of track structure of end, the connection of linkage both ends is articulated with the hinged horizontal mobile device including single, double hinge transverse slide.The utility model solves the problems, such as that I type, II type, III type F rail expansion joint do not adapt to track girder big displacement and stretch, and the big displacement suitable for large span track girder or long connection continuous track beam is flexible.
Description
Technical field
The utility model belongs to medium-and low-speed maglev field of track traffic, and in particular to a kind of medium-and low-speed maglev bridge big displacement
The hinged horizontal mobile device of telescopic device.
Background technique
Medium-and low-speed maglev rail traffic uses the attractive suspension of normal conducting magnetic iron and guiding technique, by vehicle suspension frame
U-shaped electromagnet and F shaped steel rail between electromagnetic attraction, realize the suspension and guiding of vehicle.Medium-and low-speed maglev track at present
Girder construction and track structure are divided into two parts, and track structure is layed in the top of concrete track beam, track beam structure of first constructing,
Then it constructs on track girder track structure, medium-and low-speed maglev traffic adapts to track girder using seamed track, track structure is stretched
Contracting.
The conventional seamed rail joint of medium-and low-speed maglev traffic (including I type, II type, III type expansion joint) at present, still
These expansion joints only adapt to the stroke of very little with biggish structure.
The wheel tracks traffic such as existing high-speed railway, urban track traffic, inter-city passenger rail also has large displacement expansion joint, commonly referred to as
Rail temperature expansion and cotraction regulator, the extension adjustment device only can be suitably used for wheel rail system, not applicable for medium-and low-speed maglev traffic.
Existing highway, urban road Longspan Bridge have corresponding large displacement expansion joint, common highway bridge big displacement
It is flexible to be sewed with finger joint type expansion joint or modulus type expansion joint.Finger joint type expansion joint can not be applied to big displacement on medium-and low-speed maglev bridge
Telescopic device, modulus type expansion joint stretches to adapt to big displacement and stretch by multiple tracks small gap, but needs to do much deep
Improvements and changes are to adapt to a series of features of medium-and low-speed maglev traffic.
Cross-saddle single-track traffic also has the telescopic device for adapting to bridge big displacement stroke, generally flexible using finger joint type
Seam can not equally be applied to big displacement telescopic device on medium-and low-speed maglev bridge.
Different using continuous welded rail track structure from wheel rail system rail traffic, the track structure of medium-and low-speed maglev traffic is equal at present
Using seamed track structure, when track beam structure is when the beam-ends of adjacent two hole beam occurs flexible, pass through seamed rail joint portion
The big minor adjustment in position gap adapts to the flexible of track girder, and when track girder dilatation, track structure is not subject to additional horizontal force.
But the seamed rail joint of medium-and low-speed maglev traffic (including I type, II type, III type expansion joint) conventional at present only adapts to
The stroke of very little can not adapt to rail for large span track girder or the longer medium and small span track girder of continuous length
The big displacement of road beam is flexible.
Medium-and low-speed maglev traffic I type expansion joint only adapts to the stroke of maximum ± 20mm, this one small stroke is only
Adapt to the freely supported structure track beam structure deformation needs of conventional criteria 20m~30m span；II type of medium-and low-speed maglev traffic is flexible
Connector only adapts to the stroke of maximum ± 40mm, can only adapt to the track beam structure that continuous length is less than 150m；Middle low speed magnetic
Floating III type expansion joint of traffic only adapts to the stroke of maximum ± 60mm, can only adapt to the track that continuous length is less than 250m
Girder construction.
Currently, the Simple Rail Bearer structure of conventional criteria 20m~30m span is for save the cost, track generally thereon
Connector uses I type joint, but since the expansion joint of I type only adapts to the stroke of maximum ± 20mm, deducts track girder top
The stroke of structure ± 10mm under the action of mobile load, temperature effect, then maximum of the track girder bridge pier in least favorable load action
Length travel should be less than 10mm, this limitation is so that the bridge pier of medium-and low-speed maglev traffic is designed very coarse, no in high pier
It is economical.Similarly there is the very low problem of bridge pier linear deformation limit value for the track girder using II type, III type expansion joint, finally
Cause medium-and low-speed maglev bridge pier to generally require and be designed very coarse, bridge pier is uneconomical, can not play medium-and low-speed maglev traffic and adopt
With the advantage of seamed track, need the telescopic device of more big displacement quantity that bridge pier is allowed to have bigger linear deformation.
It is (porous for Longspan Bridge (arch bridge, cable-stayed bridge, suspension bridge) or the longer medium and small span bridge of continuous length
One continuous beam) expansion amount at the tip of the girder up to hundreds of millimeters, even up to 1000~2000mm sometimes, so big is flexible
Amount, current I type, II type, III type expansion joint are clearly to be unable to reach.
Utility model content
For at least one of prior art the above defects or improvement requirements, the utility model provides a kind of middle low speed
The hinged horizontal mobile device of magnetic pontoon bridge beam big displacement telescopic device, it is flexible that the utility model solves I type, II type, III type F rail
Connector does not adapt to the flexible problem of track girder big displacement, the big position suitable for large span track girder or long connection continuous track beam
It moves flexible.
To achieve the above object, according to the one aspect of the utility model, a kind of big position of medium-and low-speed maglev bridge is provided
The hinged horizontal mobile device of telescopic device is moved, the big displacement telescopic device is across setting in medium-and low-speed maglev rail traffic rail
The beam of road beam is sewed on；
In the back of two beam-ends of adjacent orbit beam, end section of track structure and telescopic device support are respectively set；
Freely-supported stringer is set between corresponding two telescopic device supports, and one end of the freely-supported stringer has
The other end of rotational freedom, fricton-tight freedom degree, the freely-supported stringer has rotational freedom and track girder longitudinal direction
Free sliding degree；
The upper end of the freely-supported stringer is slidably provided with the flexible section of track of modularization by stringer carriage；
The flexible section of track of the modularization includes several section of track subelements along the arrangement of track girder longitudinal direction；
The track girder longitudinal direction two sides of the section of track subelement and the end section of track structure stitch side towards beam,
It is provided with horizontal mobile device；
Between the section of track subelement of adjacent two, and the section of track subelement and the end rail at longitudinal both ends
It arranges between structure, is provided with linkage, the both ends of the linkage connect the hinged horizontal mobile device；
The hinged horizontal mobile device includes double hinge transverse slides and single hinge transverse slide；The section of track
Unit is equipped with double hinge transverse slides, and the end section of track structure is provided with single hinge laterally towards beam seam side
Carriage.
Preferably, the section of track subelement includes F rail, crossbeam；
The F rail is mounted on longitudinal both ends of the crossbeam, is aligned with the F rail of the end section of track structure.
Preferably, one end of the freely-supported stringer is equipped with round hole, passes through the rotation axis branch of the telescopic device support
Support is on the telescopic device support and can rotate around the rotation axis of hinged-support；The other end of the freely-supported stringer is equipped with length
Round hole is supported on the telescopic device support of the other end and can be rotated by the rotation axis of the telescopic device support
Moving axis rotation can also vertically move simultaneously along the oblong hole.
Preferably, the freely-supported stringer upper limb is equipped with longitudinal chute, and the longitudinal chute is by longitudinal rail, longitudinal rail
Lower slide plate built in built-in upper slide plate, longitudinal rail forms, and the length of the longitudinal chute and the longitudinal direction of freely-supported stringer are long
Spend identical, upper slide plate built in longitudinal rail is mounted in the inside of longitudinal rail, and lower slide plate built in longitudinal rail is mounted in letter
The upper limb of branch stringer forms a semi-enclosed longitudinal chute.
Preferably, the stringer carriage includes longitudinal sliding block, and the longitudinal sliding block is fixed on each section of track subelement
Lower end, the setting position of the longitudinal sliding block is corresponding with the position of the freely-supported stringer, also, the longitudinal sliding block is in
Inverted T-shaped section, lower edge inlay card is in the longitudinal chute, so that the longitudinal sliding block can be in the longitudinal chute along rail
Road beam longitudinal sliding motion.
Preferably, the crossbeam offers the through hole of track girder longitudinal direction, the both ends in hole be equipped with outside stiffener and
Liner stiffener is provided with double hinge transverse slides in hole；
Double hinge transverse slides are had the sliding sleeve group of bilateral rotating hinge by a center sliding axle and one
Along crossbeam be longitudinally at, center sliding axle track girder transverse direction be fixed at the outside stiffener and liner stiffener it
Between, it is free to slide that the sliding sleeve with bilateral rotating hinge can slide axis direction along center.
Preferably, the through hole of track girder longitudinal direction, hole are offered on the web of the crossbeam of the end section of track structure
Both ends be equipped with outside stiffener and liner stiffener, single hinge transverse slide is provided in hole；
Single hinge transverse slide is by a center sliding axle and a sliding sleeve group with unilateral rotating hinge
Along crossbeam be longitudinally at, center sliding axle track girder transverse direction be fixed at the outside stiffener and liner stiffener it
Between, the sliding sleeve with unilateral rotating hinge is located towards track girder beam seam side, can slide axis direction free skating along center
It is dynamic.
Preferably, the linkage includes several X-shaped connecting rods；
The X-shaped connecting rod rotates the rotation axis of limb, X-shaped connecting rod by the inside rotation limb of X-shaped connecting rod, the outside of X-shaped connecting rod
Composition；
The middle part of the inside rotation limb of the X-shaped connecting rod is single pole shape, and the middle part of the outside rotation limb of the X-shaped connecting rod is
Double rod shape has the space for accommodating single pole rotation between double rod；The inside of the X-shaped connecting rod rotates the outer sidespin of limb, X-shaped connecting rod
Turning limb can rotate freely around the rotation axis for the X-shaped connecting rod for being located at the two cross-point locations；
The inside rotation limb of the X-shaped connecting rod, the both ends of the outside rotation limb of X-shaped connecting rod are hingedly connected to the hinged cross
To mobile device, specifically, one be articulated in the sliding sleeve with bilateral rotating hinge of double hinge transverse slides
The sliding sleeve with unilateral rotating hinge of a or described single hinge transverse slide.
Preferably, the telescopic device support includes the base plate of hinged-support, the vertical supporting plate of hinged-support, hinged-support
Rotation axis；The rotation axis of the hinged-support is arranged between the vertical supporting plate of two hinged-supports.
Preferably, between the crossbeam of the two neighboring section of track subelement and the crossbeam and rail of the section of track subelement
Between the crossbeam of the end section of track structure of road beam, it is provided with waterproof soft board, the waterproof soft board is in track girder transverse direction
The upper limb of the equal length of the crossbeam of length and the section of track subelement, the waterproof soft board and crossbeam links together.
Above-mentioned preferred feature can be combined with each other as long as they do not conflict with each other.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following
Beneficial effect:
1, it is flexible that the utility model solves I type, II type, III type F rail expansion joint do not adapt to track girder big displacement
Problem, the big displacement suitable for large span track girder or long connection continuous track beam are flexible.
2, the utility model is slid laterally by hinged horizontal mobile device, especially double hinge transverse slides and single hinge
The unique construction of device had not only been realized effective connection of section of track subelement inside the modularization section of track, but also by section of track subelement
Longitudinal sliding motion, which is converted into, to be slid laterally, and this structure makes conversion range big, and telescopic adjustment amount has been turned up.
3, the utility model passes through the unique construction of hinged-support and multiple degrees of freedom freely-supported stringer, is crossed over using freely-supported stringer
Beam seam between track girder, is realized by the oblong hole of freely-supported stringer and is stretched on a large scale, while hinged-support is that freely-supported is small vertical
Beam provides rotational freedom, so that freely-supported stringer is adapted to the vehicle active load of track, temperature change, track girder longitudinal direction position
Dilatation under the various workings such as shifting, the deformation of track girder flexing.
4, the utility model passes through the unique construction of stringer carriage and stringer top, and match each other cooperation, realizes
The section of track subelement of the modularization section of track be connected and fixed and smooth sliding, ensured travel safety at beam seam and stretched on a large scale
Compression deformation.
5, unique construction of the utility model by the flexible section of track of modularization, each section of track list of the flexible section of track of modularization
Member uses substantially similar structure with the end section of track structure of track girder, using a large amount of universal architecture, such as F rail, crossbeam,
So that structure is simple, manufacture easy to process, each section of track subelement can independent telescope deformation, can be in shorter structure length model
Enclose the bigger length travel stroke of interior realization.
6, the utility model is realized by linkage (especially X-shaped connecting rod) and transverse slide and is sent out track girder
Raw biggish length travel is distributed to automatically on the gap variable quantity between each section of track subelement, is adapted to medium-and low-speed maglev and is handed over
It is connected with the structural requirement of seam track.
7, the utility model is disposed at crossbeam upper limb by the unique construction of waterproof soft board, to section of track subelement it
Between small-sized expansion joint protected, prevent from meeting water, Shi Sha etc. is fallen into inside telescopic device.
8, after using the utility model, the bridge pier of medium-and low-speed maglev track girder can occur more in the range of intensity requirement
Big pier top length travel saves the investment of medium-and low-speed maglev track girder substructure so as to reduce pier section size.
Detailed description of the invention
Fig. 1 is the elevation according to the medium-and low-speed maglev bridge big displacement telescopic device of the utility model one embodiment；
Fig. 2 is the diagrammatic cross-section in Fig. 1 along 1-1 section part；
Fig. 3 is the diagrammatic cross-section in Fig. 1 along 2-2 section part；
Fig. 4 is the diagrammatic cross-section in Fig. 1 along 3-3 section part；
Fig. 5 is the diagrammatic cross-section in Fig. 1 along 4-4 section part；
Fig. 6 is the diagrammatic cross-section in Fig. 1 along 5-5 section part；
Fig. 7 is the diagrammatic cross-section in Fig. 1 along 6-6 section part；
Fig. 8 is the diagrammatic cross-section in Fig. 1 along 7-7 section part；
Fig. 9 is the diagrammatic cross-section in Fig. 1 along 8-8 section part；
Figure 10 is the diagrammatic cross-section in Fig. 1 along 9-9 section part；
Figure 11 is the diagrammatic cross-section in Fig. 5 along 10-10 section part；
Figure 12 is the diagrammatic cross-section in Fig. 5 along 11-11 section part；
Figure 13 is the diagrammatic cross-section in Fig. 5 along 12-12 section part；
Figure 14 is the diagrammatic cross-section in Fig. 5 along 13-13 section part；
Figure 15 is the diagrammatic cross-section in Fig. 5 along 14-14 section part；
Figure 16 is the a-quadrant part drawing in Fig. 6；
Figure 17 a is the drawing of the X-shaped connecting rod in Fig. 7；
Figure 17 b is the diagrammatic cross-section of B-B section part in Figure 17 a；
Figure 17 c is the diagrammatic cross-section of A-A section part in Figure 17 a；
Figure 17 d is rotation axis drawing in Figure 17 a；
Figure 17 e is the diagrammatic cross-section of I-I section part in Figure 17 d；
Figure 18 a is the drawing of single hinge transverse slide；
Figure 18 b is the diagrammatic cross-section of C-C section part in Figure 18 a；
Figure 18 c is the diagrammatic cross-section of D-D section part in Figure 18 a；
Figure 18 d is the diagrammatic cross-section of E-E section part in Figure 18 a；
Figure 19 a is double hinge transverse slide drawings；
Figure 19 b is the diagrammatic cross-section of F-F section part in Figure 19 a；
Figure 19 c is the diagrammatic cross-section of G-G section part in Figure 19 a
Figure 19 d is the diagrammatic cross-section of H-H section part in Figure 19 a.
Specific embodiment
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 used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.With reference to embodiment to this
Utility model is further described.
As shown in figures 1-19, the hinged transverse shifting dress of the medium-and low-speed maglev bridge big displacement telescopic device of the utility model
It sets, the big displacement telescopic device is sewed on across the beam that medium-and low-speed maglev rail traffic track girder 11 is arranged in；In adjacent orbit
End section of track structure and telescopic device support is respectively arranged in the back of 11 two beam-ends of beam；Corresponding two telescopic device branch
Freely-supported stringer 18 is set between seat, and one end of the freely-supported stringer 18 has rotational freedom, fricton-tight freedom degree, described
The other end of freely-supported stringer 18 has the free sliding degree of rotational freedom and track girder longitudinal direction；The freely-supported stringer
18 upper end is slidably provided with the flexible section of track of modularization by stringer carriage；The flexible section of track of the modularization includes edge
Several section of track subelements of track girder longitudinal direction arrangement；The track girder longitudinal direction two sides of the section of track subelement, and
The end section of track structure stitches side towards beam, is provided with horizontal mobile device；The section of track subelement of adjacent two it
Between, and between the section of track subelement and the end section of track structure at longitudinal both ends, it is provided with linkage, the company
The both ends of lever apparatus connect the hinged horizontal mobile device.
The hinged horizontal mobile device includes double hinge transverse slides 10 and single hinge transverse slide 7；The rail
It arranges subelement and is equipped with double hinge transverse slides 10, the end section of track structure is provided with the list towards beam seam side
Cut with scissors transverse slide 7.
The utility model solves I type, II type, III type F rail expansion joint do not adapt to that track girder big displacement is flexible to ask
Topic, the big displacement suitable for large span track girder or long connection continuous track beam are flexible.After the utility model, middle low speed magnetic
Bigger pier top length travel can occur in the range of intensity requirement for the bridge pier of levitation track girder, cut so as to reduce bridge pier
Face size saves the investment of medium-and low-speed maglev track girder substructure.
As shown in Fig. 1~10, hinged-support is respectively set in the back of the two neighboring beam-ends of track girder 11, each beam-ends is laterally set
Setting several embodiments is 2, can be 2, is also possible to 3 or more, with specific reference to track girder top plate width and knot
Structure stress needs to be arranged.Base plate 14 of each described hinged-support by hinged-support, the vertical supporting plate 15 of hinged-support, hinged-support
Rotation axis 16, hinged-support rotation axis prevent that traversing nut 17 is constituted, the base plate 14 and 2 piece hinged-support of one piece of hinged-support
Vertical supporting plate 15 connects integral, and the rotation axis 16 of hinged-support can be in the round hole in the vertical supporting plate 15 of hinged-support
It rotates freely, hinged-support rotation axis prevents that the both ends of the rotation axis 16 of hinged-support are arranged in traversing nut 17.The track girder 11
Beam stitch the hinged-support at both ends in longitudinal distance according to the stroke of telescopic device and construction it needs to be determined that.
Freely-supported stringer 18 passes through the hinged-support freely-supported on the two neighboring beam-ends of track girder 11, freely-supported stringer
18 one end is equipped with round hole, is supported on hinged-support by the rotation axis 16 of hinged-support and can be around the rotation axis 16 of hinged-support
Rotation；The other end of freely-supported stringer 18 is equipped with oblong hole, is supported on the hinged of the other end by the rotation axis 16 of hinged-support
On seat and it can rotate while can also be vertically moved along the rotation axis 16 of hinged-support around the rotation axis 16 of hinged-support, it is each hinged
What the both ends of the rotation axis 16 of seat were respectively arranged a hinged-support rotation axis prevents traversing nut 17.The setting position of freely-supported stringer 18
Corresponding with the position of the hinged-support, it is 2 that several embodiments are laterally arranged along track girder for freely-supported stringer 18, can be with
It is 2, is also possible to 3 or more, needs to be arranged with specific reference to track girder top plate width and structure stress.The utility model is logical
The unique construction for crossing hinged-support and multiple degrees of freedom freely-supported stringer is stitched across the beam between track girder using freely-supported stringer, is passed through
The oblong hole of freely-supported stringer is realized stretches on a large scale, while hinged-support provides rotational freedom for freely-supported stringer, makes
Freely-supported stringer to be adapted to the vehicle active load of track, temperature change, track girder length travel, the deformation of track girder flexing etc. more
Dilatation under kind operating condition.
As shown in Fig. 1~10, each 18 upper limb of freely-supported stringer is equipped with longitudinal chute, and the longitudinal chute is by longitudinally leading
Upper slide plate 21 built in rail 19, longitudinal rail, lower slide plate 22 built in longitudinal rail form, the length and letter of the longitudinal chute
The longitudinal length of branch stringer 18 is identical, and upper slide plate 21 is mounted in the inside of longitudinal rail 19 built in longitudinal rail, longitudinally leads
Lower slide plate 22 built in rail is mounted in the upper limb of freely-supported stringer 18, forms a semi-enclosed longitudinal chute, in longitudinal rail
It sets built in upper slide plate 21, longitudinal rail lower slide plate 22 and is rubbed using tetrafluoro slide plate or other low slidings and examine coefficient material and be made.
Longitudinal chute part full-page proof is detailed in Figure 16.
As shown in Fig. 1~10, the longitudinal chute is equipped with several section of track subelements, is provided with 8 in the present embodiment
It is a.Each stating section of track subelement includes F rail 1, crossbeam 2, bolt 3, outside stiffener 8, inside stiffener 9, longitudinal sliding block device,
The F rail 1 is mounted on longitudinal direction (i.e. the transverse direction of track girder) both ends of the crossbeam 2, is aligned with the F rail 1 of the end section of track structure.
The number for the section of track subelement being arranged on the freely-supported stringer 18 can be 1, be also possible to multiple, specific setting
Quantity is determined according to the stroke of telescopic device.Along track girder longitudinal direction, there is certain gap between two neighboring section of track subelement,
The size in the gap is longitudinal maximum slippage of the single section of track subelement.For each section of track subelement, F rail
1 by bolt 3 bolt on crossbeam 2, crossbeam 2 can use i shaped cross section, can also using H-type section, box-type section or
Other sections of person.Unique construction of the utility model by the flexible section of track of modularization, each section of track of the flexible section of track of modularization
The end section of track structure of unit and track girder uses substantially similar structure, using a large amount of universal architecture, such as F rail, crossbeam
Deng so that structure is simple, manufacture easy to process, each section of track subelement can independent telescope deformation, can be long in shorter structure
It spends and realizes bigger length travel stroke in range.
The stringer carriage includes longitudinal sliding block 20, and the longitudinal sliding block 20 is fixed under each section of track subelement
End, the setting position of the longitudinal sliding block 20 is corresponding with the position of the freely-supported stringer 18, also, the longitudinal sliding block 20
In inverted T-shaped section, lower edge inlay card is in the longitudinal chute, so that the longitudinal sliding block 20 can be in the longitudinal chute
Along track girder longitudinal sliding motion.Specifically, 2 lower edge of crossbeam connects longitudinal sliding block 20, and the setting position of longitudinal sliding block 20 and freely-supported are small
The position of stringer 18 is corresponding, and lower slide plate 22 built in the lower edge and longitudinal rail of longitudinal sliding block 20 is closely connected, longitudinal sliding block 20
Upper limb and upper slide plate 21 built in longitudinal rail are closely connected, and longitudinal sliding block 20 can be on top built in longitudinal rail 19, longitudinal rail
Along vertical bridge to sliding in the longitudinal chute that lower slide plate 22 built in slide plate 21, longitudinal rail forms.Longitudinal chute and longitudinal sliding block
20 local full-page proofs are detailed in Figure 16.Outside stiffener 8, inside stiffener 9 are welded on crossbeam 2, for preventing structure from occurring
Big local deformation.When malformation is met the requirements, outside stiffener 8, inside stiffener 9 can also be not provided with.Crossbeam 2 is in cross
Figure 11~15 are seen to the sectional view of different location.The utility model passes through the unique construction of stringer carriage and stringer top,
Match each other cooperation, realizes being connected and fixed for the section of track subelement of the modularization section of track and slides with smooth, has ensured at beam seam
Travel safety and a wide range of dilatation.
As shown in Fig. 1~10, between the crossbeam 2 of the two neighboring section of track subelement and the section of track subelement
Between the crossbeam of the end section of track structure of crossbeam 2 and track girder, it is provided with waterproof soft board 23, the waterproof soft board 23 exists
The equal length of the crossbeam 2 of the length of track girder transverse direction and the section of track subelement, the upper limb of the waterproof soft board 23 and crossbeam
It links together.The soft materials such as the use rubber of waterproof soft board 23 are made, and waterproof soft board 23 should can oneself when sliding unit slides
By deforming.The utility model passes through the unique construction of waterproof soft board, crossbeam upper limb is disposed at, between section of track subelement
Small-sized expansion joint is protected, and prevents chance water, Shi Sha etc. from falling into inside telescopic device.
As shown in fig. 7, in initial installation, between two neighboring section of track subelement, section of track subelement and track girder end
The gap between all adjacent F rails 1 between section of track structure should all be equal, can be not connected between F rail, can also use and not lock
Dead mode connects, such as existing II type or type III expansion joint.Between two neighboring section of track subelement, section of track subelement
X-shaped connecting rod is equipped between the section of track structure of track girder end, X-shaped connecting rod is a gap equal division device, in track girder
Beam seam size maintains between the two neighboring section of track subelement when changing, section of track subelement and track girder end section of track structure it
Between all F rails 1 between gap it is equal always.The X-shaped connecting rod by the inside rotation limb 24 of X-shaped connecting rod, X-shaped connecting rod it is outer
Side rotates limb 25, the rotation axis 26 of X-shaped connecting rod forms.The middle part of the inside rotation limb 24 of the X-shaped connecting rod is single pole shape, described
The middle part of the outside rotation limb 25 of X-shaped connecting rod is double rod shape, has the space for accommodating single pole rotation between double rod；The X-shaped connects
The inside of bar rotates limb 24, the outside of X-shaped connecting rod rotates limb 25 can be around the X-shaped connecting rod for being located at the two cross-point locations
Rotation axis 26 rotates freely；X-shaped connecting rod drawing is detailed in Figure 17 a-e.By linkage, (especially X-shaped connects the utility model
Bar) and transverse slide realize by track girder occur biggish length travel be distributed to automatically each section of track subelement it
Between gap variable quantity on, adapt to the seamed track of medium-and low-speed maglev traffic structural requirement.
As shown in figure 5, offering hole on the web of the crossbeam 2 of the sliding unit, it is equipped with double hinges in hole and slides laterally
The full-page proof of device 10, double hinge transverse slides 10 is shown in Figure 19 a-d.Double hinge transverse slides 10 by a center sliding axle and
One sliding sleeve with bilateral rotating hinge forms, and center sliding axle is longitudinally the fixed setting of track girder transverse direction along crossbeam
Between the outside stiffener 8 and liner stiffener 9, the sliding sleeve with bilateral rotating hinge can be along center sliding axle side
To free to slide.The inside rotation limb 24 of the X-shaped connecting rod, the both ends of the outside rotation limb 25 of X-shaped connecting rod are hingedly connected to institute
Hinged horizontal mobile device is stated, specifically, is articulated with the sliding with bilateral rotating hinge of double hinge transverse slides 10
One in sleeve.When double hinge transverse slides 10 occur for adapting to X-shaped connecting rod around the movement of the rotation axis 26 of X-shaped connecting rod
The inside rotation limb 24 of simultaneous X-shaped connecting rod, outside rotation 25 end of limb of X-shaped connecting rod have occurred along the position of direction across bridge
It moves.
As shown in Figure 1, Figure 2 and shown in Fig. 6, hole is offered on the web of the crossbeam 2 of bridge deck track structure, it is horizontal that single hinge is equipped in hole
To carriage 7, single full-page proof for cutting with scissors transverse slide 7 is shown in Figure 18 a-d.Single hinge transverse slide 7 is slided by a center
Axis and a sliding sleeve composition with unilateral rotating hinge, center sliding axle are longitudinally that track girder transverse direction is fixed along crossbeam
It is arranged between the outside stiffener 8 and liner stiffener 9, the sliding sleeve with unilateral rotating hinge can be slided along center
Axis direction is free to slide.The inside rotation limb 24 of the X-shaped connecting rod, the both ends of the outside rotation limb 25 of X-shaped connecting rod are respectively articulated with
In the hinged horizontal mobile device, specifically, it is articulated with the cunning with unilateral rotating hinge of single hinge transverse slide 7
Moving sleeve.The utility model cuts with scissors transverse slide by horizontal mobile device, especially double hinge transverse slides and list
Unique construction had not only been realized effective connection of section of track subelement inside the modularization section of track, but also the longitudinal direction of section of track subelement is sliding
Turn, which turns to, to be slid laterally, and this structure makes conversion range big, and telescopic adjustment amount has been turned up.
As shown in Fig. 2, being the track structure cross sectional arrangement figure of the longitudinally fixed end side of freely-supported stringer 18, F rail 1 is logical
Cross bolt 3 bolt on crossbeam 2, crossbeam 2 can use i shaped cross section, can also using H-type section, box-type section or its
The web in his section, crossbeam 2 is equipped with outside stiffener 8, inside stiffener 9, sets between outside stiffener 8, inside stiffener 9
Hole is equipped with single hinge transverse slide 7 in hole.Crossbeam 2 is connect by fastener 4, height adjusting cushion block 5, track 6 with track girder 11.
As shown in figure 3, being the track structure cross sectional arrangement figure of 18 longitudinally-moving end side of freely-supported stringer, F rail 1 is logical
Cross bolt 3 bolt on crossbeam 2, crossbeam 2 can use i shaped cross section, can also using H-type section, box-type section or its
The web in his section, crossbeam 2 is equipped with outside stiffener 8, inside stiffener 9, sets between outside stiffener 8, inside stiffener 9
Hole is equipped with single hinge transverse slide 7 in hole.Crossbeam 2 is connect by fastener 4, height adjusting cushion block 5, track 6 with track girder 11.
In order to enable freely-supported stringer 18 occur length travel when be not raised cushion block 5, track 6 blocks, fastener 4, height adjusting cushion block 5,
The setting position of track 6 should avoid the region that freely-supported stringer 18 occurs to reach when length travel and be detailed in Fig. 9 and Figure 10.
Fastener 4, height adjusting cushion block 5, track 6 are set to track girder lateral mid-point in Fig. 3, at the same be arranged box strengthening support 12,
Anchor bolt 13 carrys out support beam 2, prevents crossbeam 2 from excessive deformation occurs to influence the rail level ride comfort of F rail 1.
As shown in figure 4, base plate 14 of each hinged-support by hinged-support, the vertical supporting plate 15 of hinged-support, hinged-support
Rotation axis 16, hinged-support rotation axis prevent that traversing nut 17 is constituted.According to track girder top plate width and structure stress needs, often
Several hinged-supports are laterally arranged in a beam-ends, and hinged-support can be 2, are also possible to 3 or more.
The action process of the medium-and low-speed maglev bridge big displacement telescopic device of the utility model is as follows:
When under the effect of the external loads such as vehicle active load, temperature action length travel or vertical bending deformation occur for track girder 11
When shape, the deflection deformation bring beam-ends corner that 18 one side of freely-supported stringer can adapt to track girder by hinged-support is deformed,
Length travel occurs for the oblong hole that on the other hand can be also arranged along freely-supported stringer 18 by hinged-support to adapt to track girder
The length travel that structure occurs.
When length travel occurs for track girder, along its oblong hole length travel occurs for freely-supported stringer 18, and freely-supported is small vertical
The track structure at 18 longitudinally-moving end of beam also occurs length travel and X-shaped connecting rod is driven to rotate limb 24, X by the inside of X-shaped connecting rod
The outside rotation limb 25 of shape connecting rod, the rotation axis 26 of X-shaped connecting rod form, lower with the rotation occurred along its center intersecting axle, into one
Step drives single hinge transverse slide 7 and double hinge transverse slides 10 to slide laterally, to drive the X-shaped being attached thereto
Rotation along its center intersecting axle occurs for connecting rod, and the rotation of its center intersecting axle, all X-shapeds occur for final all X-shaped connecting rods
The movement of connecting rod drives the section of track subelement being attached thereto to generate longitudinal sliding motion, the length travel equal part that finally track girder occurs
Onto the gap variable quantity between each section of track subelement, it is flexible to realize medium-and low-speed maglev track girder big displacement.
When deflection deformation occurs for track girder, with upwarping for beam-ends, hinged-support, which not only rotates, to be displaced but also longitudinal direction occurs
With the displacement of hinged-support corresponding displacement occurs for displacement and vertical displacement, freely-supported stringer 18.The vertical displacement band of hinged-support
Equal vertical displacement occurs for the both ends of dynamic freely-supported stringer 18, and other all components being connected with freely-supported stringer 18 occur
Mutually deserved vertical displacement ensure that the height above rail surface continuity of track girder deflection deformation back rest seam position；The rotation position of hinged-support
It is moved from by occurring, freely-supported stringer 18 is displaced without corresponding；Length travel occurs for hinged-support and length travel integrally occurs for track girder
It is identical, it has been described, has repeated no more above.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device, it is characterised in that: the big position
Telescopic device is moved to sew on across the beam that medium-and low-speed maglev rail traffic track girder is arranged in；
In the back of (11) two beam-ends of adjacent orbit beam, end section of track structure and telescopic device support are respectively set；
Freely-supported stringer (18) are set between corresponding two telescopic device supports, one end of the freely-supported stringer (18)
With rotational freedom, fricton-tight freedom degree, the other end of the freely-supported stringer (18) has rotational freedom and track girder
The free sliding degree of longitudinal direction；
The upper end of the freely-supported stringer (18) is slidably provided with the flexible section of track of modularization by stringer carriage；
The flexible section of track of the modularization includes several section of track subelements along the arrangement of track girder longitudinal direction；
The track girder longitudinal direction two sides of the section of track subelement and the end section of track structure are all provided with towards beam seam side
It is equipped with hinged horizontal mobile device；
Between the section of track subelement of adjacent two, and the section of track subelement and the end section of track knot at longitudinal both ends
Between structure, it is provided with linkage, the both ends of the linkage connect the hinged horizontal mobile device；
The hinged horizontal mobile device includes double hinges transverse slide (10) and single hinge transverse slide (7)；The rail
It arranges subelement and is equipped with double hinges transverse slide (10), the end section of track structure is provided with described towards beam seam side
Single hinge transverse slide (7).
2. the hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device as described in claim 1, feature
It is:
The section of track subelement includes F rail (1), crossbeam (2)；
The F rail (1) is mounted on longitudinal both ends of the crossbeam (2), is aligned with the F rail (1) of the end section of track structure.
3. the hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device as described in claim 1, feature
It is:
One end of the freely-supported stringer (18) is equipped with round hole, is supported on by the rotation axis (16) of the telescopic device support
It can rotate on the telescopic device support and around the rotation axis (16) of hinged-support；The other end of the freely-supported stringer (18) is set
There is oblong hole, is supported on the telescopic device support of the other end simultaneously by the rotation axis (16) of the telescopic device support
Can rotate around rotation axis (16) can also vertically move simultaneously along the oblong hole.
4. the hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device as described in claim 1, feature
It is:
Freely-supported stringer (18) upper limb is equipped with longitudinal chute, and the longitudinal chute is by longitudinal rail (19), longitudinal rail
It sets lower slide plate (22) built in upper slide plate (21), longitudinal rail to form, the length and freely-supported stringer of the longitudinal chute
(18) longitudinal length is identical, and upper slide plate built in longitudinal rail (21) is mounted in the inside of longitudinal rail (19), longitudinal rail
Built-in lower slide plate (22) is mounted in the upper limb of freely-supported stringer (18), forms a semi-enclosed longitudinal chute.
5. the hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device as claimed in claim 4, feature
It is:
The stringer carriage includes longitudinal sliding block (20), and the longitudinal sliding block (20) is fixed under each section of track subelement
End, the setting position of the longitudinal sliding block (20) is corresponding with the position of the freely-supported stringer (18), also, described longitudinal sliding
Block (20) is in inverted T-shaped section, and lower edge inlay card is in the longitudinal chute, so that the longitudinal sliding block (20) can be described vertical
Into sliding slot along track girder longitudinal sliding motion.
6. the hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device as claimed in claim 2, feature
It is:
The crossbeam (2) offers the through hole of track girder longitudinal direction, and the both ends in hole are equipped with outside stiffener (8) and liner adds
Strength plate (9) is provided with double hinges transverse slide (10) in hole；
Double hinges transverse slide (10) are had the sliding sleeve group of bilateral rotating hinge by a center sliding axle and one
At center sliding axle is longitudinally that track girder transverse direction is fixed at the outside stiffener (8) and liner is put more energy into along crossbeam
Between plate (9), it is free to slide that the sliding sleeve with bilateral rotating hinge can slide axis direction along center.
7. the hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device as described in claim 1, feature
It is:
The through hole of track girder longitudinal direction is offered on the web of the crossbeam of the end section of track structure, the both ends in hole are equipped with outer
Side stiffener (8) and liner stiffener (9) are provided with single hinge transverse slide (7) in hole；
Single hinge transverse slide (7) is by a center sliding axle and a sliding sleeve group with unilateral rotating hinge
At center sliding axle is longitudinally that track girder transverse direction is fixed at the outside stiffener (8) and liner is put more energy into along crossbeam
Between plate (9), the sliding sleeve with unilateral rotating hinge is located towards track girder beam seam side, can slide axis direction along center
It is free to slide.
8. the hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device as claimed in claims 6 or 7, special
Sign is:
The linkage includes several X-shaped connecting rods；
The X-shaped connecting rod is rotated turn of limb (25), X-shaped connecting rod by inside rotation limb (24) of X-shaped connecting rod, the outside of X-shaped connecting rod
Moving axis (26) composition；
The middle part of inside rotation limb (24) of the X-shaped connecting rod is single pole shape, and the outside of the X-shaped connecting rod rotates in limb (25)
Portion is double rod shape, has the space for accommodating single pole rotation between double rod；The inside of the X-shaped connecting rod rotates limb (24), X-shaped connecting rod
Outside rotation limb (25) can be rotated freely around the rotation axis (26) of X-shaped connecting rod for both being located at cross-point locations；
The both ends of inside rotation limb (24), outside rotation limb (25) of X-shaped connecting rod of the X-shaped connecting rod are hingedly connected to the hinge
Connect horizontal mobile device.
9. the hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device as described in claim 1, feature
It is:
The telescopic device support includes turn of the base plate (14) of hinged-support, the vertical supporting plate (15) of hinged-support, hinged-support
Moving axis (16)；The rotation axis (16) of the hinged-support is arranged between the vertical supporting plate (15) of two hinged-supports.
10. the hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device as claimed in claim 2, feature
It is:
Between the crossbeam (2) of the two neighboring section of track subelement and the crossbeam (2) of the section of track subelement and track girder
It between the crossbeam of the end section of track structure, is provided with waterproof soft board (23), the waterproof soft board (23) is in track girder transverse direction
Length and the section of track subelement crossbeam (2) equal length, the waterproof soft board (23) and the upper limb of crossbeam are connected to
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821592977.7U CN209039882U (en) | 2018-09-28 | 2018-09-28 | The hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821592977.7U CN209039882U (en) | 2018-09-28 | 2018-09-28 | The hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device |
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| CN209039882U true CN209039882U (en) | 2019-06-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024105A (en) * | 2018-09-28 | 2018-12-18 | 中铁磁浮交通投资建设有限公司 | The hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device |
-
2018
- 2018-09-28 CN CN201821592977.7U patent/CN209039882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024105A (en) * | 2018-09-28 | 2018-12-18 | 中铁磁浮交通投资建设有限公司 | The hinged horizontal mobile device of medium-and low-speed maglev bridge big displacement telescopic device |
| CN109024105B (en) * | 2018-09-28 | 2024-03-15 | 中铁磁浮交通投资建设有限公司 | Hinged transverse moving device of middle-low speed magnetic levitation bridge large-displacement telescopic device |
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