CN211689691U - Magnetic suspension track system - Google Patents
Magnetic suspension track system Download PDFInfo
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- CN211689691U CN211689691U CN201922287023.6U CN201922287023U CN211689691U CN 211689691 U CN211689691 U CN 211689691U CN 201922287023 U CN201922287023 U CN 201922287023U CN 211689691 U CN211689691 U CN 211689691U
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Abstract
The utility model discloses a magnetism floats track system contains a plurality of track roof beam and a plurality of spandrel girder, the track roof beam is located the spandrel girder top, every the track roof beam has two at least supports, two wherein the support is located respectively and corresponds the both ends of track roof beam, every the support contains a bedplate and two jacking parts, every the bedplate connect in between track roof beam and the spandrel girder, two the jacking part all locates to correspond between bedplate and the spandrel girder, two the jacking part is located respectively and is corresponded the relative both sides of bedplate, every the jacking part is used for making and corresponds the corresponding side of bedplate risees or reduces to make and correspond the both sides of track roof beam width direction rise respectively or reduce. The height difference of two sides of each track beam and the height difference between adjacent track beams are adjusted by adopting the device, so that the installation precision and the use precision of the track beams are guaranteed, and the running speed and the riding comfort of a magnetic suspension line are guaranteed.
Description
Technical Field
The utility model relates to a magnetism floats track technical field, in particular to magnetism floats track system.
Background
In order to ensure the safety and comfort of the train during high-speed running, a high-speed maglev train (for example, the speed per hour exceeds 400 km) system puts higher design and manufacturing requirements on the track. For example, in the aspect of structural rigidity, the midspan deflection of the single-span simple-support track beam under the action of a vehicle-mounted vehicle is required to be less than L/4800(L is the span of the simple-support beam), and is far higher than L/600-L/800 required by highways and railways. In addition, the manufacturing and mounting accuracy of the three functional surfaces of the rail is required to be controlled within 1 mm. These design requirements are directly dependent on the track structure form and the later debugging and installation.
The existing high-speed magnetic suspension track system mainly has two types of laying modes, namely a low-positioned line structure and an elevated line structure. The common structural characteristics are that the track beam structure with lower rigidity is fixedly arranged on the lower supporting structure (such as a bearing box beam) with higher structural rigidity, the lower supporting structure is connected with a structural foundation (such as the ground) through an adjusting support, and the precision guarantee of the functional surface of the magnetic suspension system is mainly realized by adjusting the lower supporting structure with higher structural rigidity, namely, the use precision required by the track beam is indirectly guaranteed by adjusting the adjusting support under the lower supporting structure. However, the adjustment mainly aims at the precision control during installation, the continuous precision fine adjustment requirement of the later-stage operation maintenance segment is difficult to guarantee, and the adjustment cannot be carried out aiming at the use precision of a single-section track beam, so that the longer the operation time is, the more difficult the design speed per hour is to guarantee; secondly, the adjusting support at the bottom of the lower supporting structure bears the weight of the lower supporting structure and the track beam and ensures the adjusting precision, the design and the processing of the existing support cannot meet the requirements, the cost is high, the installation process is complex, and the precision control is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the precision of current magnetism float track roof beam and guarantee through the adjustment support of lower part bearing structure below, not only design processing difficulty, extra incremental cost, installation accuracy control requires the height, can't satisfy the precision adjustment demand of operation stage and the precision adjustment demand of single section track roof beam etc. above-mentioned not enough, provide a magnetism float track system.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a magnetic levitation track system, contains a plurality of track roof beam and a plurality of spandrel girder, the track roof beam is located spandrel girder top, every the track roof beam has two at least supports, two wherein the support is located respectively and corresponds the both ends of track roof beam, every the support contains a bedplate and two jacking parts, every the bedplate connect in between track roof beam and the spandrel girder, two the jacking part all locates to correspond between bedplate and the spandrel girder, two the jacking part is located respectively and is corresponded the relative both sides of bedplate, every the jacking part is used for making and corresponds the corresponding side of bedplate risees or reduces, so that the messenger corresponds the both sides of track roof beam width direction rise respectively or reduce.
The magnetic suspension track system comprises a plurality of track beams and a plurality of bearing beams, wherein a support is arranged between the track beams and the bearing beams, and the supports at the two end parts of the track beams can be convenient for adjusting the height difference between the adjacent track beams, reduce the impact on the vehicle at the joint and facilitate the control and adjustment of the precision of an uphill or downhill line; in addition, the supports are additionally arranged at other positions of the track beam, such as the middle part of the track beam, the supports can be used for improving downwarping and reducing deformation, so that the installation precision of the bearing beam and the installation precision of the track beam can be independently separated, the processing and installation precision of the bearing beam and a substructure can be effectively reduced, the design and processing requirements of a bridge support are reduced, the precision adjustment of the track beam and the precision adjustment of the bearing beam are mutually independent, the laying difficulty and the maintenance strength of the high-speed magnetic levitation full-line track beam are obviously reduced, the cost is greatly reduced, the adjustable supports can adopt support plates with different heights or adopt jacking parts to adjust the height of the support plate according to needs to adjust the height of each track beam, meanwhile, the heights of the two opposite sides of the support plate can be respectively adjusted by matching with the two jacking parts, and then the two sides of the track beam in the width direction are respectively raised or lowered, namely, the height difference at the two sides of the track beam can be finely adjusted, which is beneficial to the control and adjustment of the precision of the track at the curve section, and the support plate is respectively connected and fixed with the track beam and the bearing beam after the adjustment is finished, the device is adopted to adjust the height difference at the two sides of each track beam and the height difference between the adjacent track beams by utilizing a two-stage adjusting mechanism, so as to adjust the installation precision and the use precision of the track beam, effectively reduce the processing and installation precision of the bearing beam and the substructure, reduce the design and the processing requirement of the bridge support, obviously reduce the laying difficulty and the maintenance strength of the high-speed magnetic suspension full-line track beam, greatly reduce the cost, effectively meet the adjustment requirement under various application scenes of the track system, facilitate the standardization and unification design of the track system, be beneficial to ensuring the running speed and the riding comfort of a magnetic suspension line in the operation process, and improve the reliability of the, the possibility of long-term maintenance in the whole line range is ensured, the method has good application prospect, and especially has great significance for the operation of high-speed magnetic levitation in China.
Preferably, a connecting piece is connected between every two adjacent track beams, each connecting piece is respectively bolted on the top surfaces of the two corresponding track beams, and the bolt hole at one end of each connecting piece is a strip-shaped bolt hole.
By adopting the arrangement mode, the end parts of the adjacent track beams are further restrained, the height difference between the adjacent track surfaces is reduced, the impact of the vehicle at the joint is reduced, and the running stability is improved.
Preferably, the track roof beam contains the top flange, web and bottom flange, the support plate top surface is equipped with the recess, the size of recess with the size adaptation on bottom flange, the bottom flange is located in the recess, the web both sides are equipped with the clamp plate respectively, two the clamp plate all is located support plate top surface and with the support plate is connected, every be connected with clamp bolt on the clamp plate, every clamp bolt passes and corresponds the clamp plate butt in the gasket on the bottom flange corresponds the side top surface.
Preferably, the bottom surface of the lower flange is provided with a first arc-shaped surface, the top surface of the groove is provided with a second arc-shaped surface, the shape and the size of the second arc-shaped surface are matched with those of the first arc-shaped surface, and the arc length direction of the first arc-shaped surface is arranged along the width direction of the lower flange.
By adopting the arrangement mode, the lower flange is positioned in the groove, so that the connection is more stable, the distance between the two jacking parts is farther, the adjustment precision is improved, and the lower flange is more suitable for precision adjustment of a curve section; secondly, the inclination degree of the top surface of the upper flange can be finely adjusted by utilizing the difference of the thicknesses of the gaskets on the two sides, namely, a third-stage adjusting mechanism is added; meanwhile, the bottom surface of the lower flange is provided with a first arc surface, the first arc surface can be an upper arch or a lower bend, the contact area under the inclination adjustment is effectively increased, the effect of fixing the inclination fine adjustment is facilitated, and the adjustment precision of the top surface of the track beam is ensured.
Preferably, the support plate is connected to the pressure plate and the bearing beam through anchor bolt assemblies respectively.
Preferably, every jacking part contains jacking piece and transmission part, be equipped with left wedge and right wedge on the transmission part, the inclined plane of left side wedge with the inclined plane of right wedge sets up in opposite directions, drives transmission part can make left side wedge and right wedge are close to relatively or keep away from relatively, so that correspond jacking piece risees or reduces.
Further preferably, the transmission part comprises a rod piece, a left-handed thread section and a right-handed thread section are arranged on the rod piece, the left-handed thread section and the right-handed thread section are coaxially arranged, the left wedge block is in threaded connection with the left-handed thread section, the right wedge block is in threaded connection with the right-handed thread section, and the rod piece is provided with a locking part.
Adopt above-mentioned mode of setting, the jacking piece is located the inclined plane of left side wedge with on the inclined plane of right side wedge, guarantee left side wedge and right wedge rise simultaneously or descend the same distance to guarantee the stable contact of jacking part and bedplate bottom, adopt horizontal member to rotate and make the jacking piece is vertical to rise or reduce, and the jacking roughness is good, and the change of the jacking part of being convenient for prevents moving back the nature good, need not to carry out too big design modification to the structure of track roof beam, just can deal with the track roof beam and appear downwarping or upwarping deformation phenomenon in the operation link, ensures driving speed and comfort level.
Further preferably, every the jacking part is equipped with the casing outward, every the casing all connect in on the spandrel girder, left side wedge and right wedge all locate the correspondence on the bottom surface of casing, the top surface of the housing is equipped with through-hole one, the overall dimension of through-hole one with the overall dimension adaptation of jacking piece, the relative both sides face of casing still is equipped with through-hole two and through-hole three, through-hole two and through-hole three are located wears to establish the member, the casing contains can dismantle the connection casing one and casing two.
Further preferably, the shell is bolted to the top surface of the load beam.
The first shell and the second shell are assembled to form the shell, so that the transmission component is convenient to mount.
Further preferably, the side surface of the jacking block is provided with scale marks.
By adopting the arrangement mode, according to the side surface of the jacking block protrudes out of the scale marks on the top surface of the shell, the jacking heights of the two sides of the width of the track beam are accurately controlled, and the adjustment precision is improved.
Preferably, the slope of the left wedge block of each jacking component is the same as the slope of the right wedge block, the thread pitch of the left-handed thread section is the same as the thread pitch of the right-handed thread section, and the lengths of the left-handed thread section and the right-handed thread section are equal.
Further preferably, the left-hand thread section and the right-hand thread section are both trapezoidal threads.
The trapezoidal thread has high rigidity and is not easy to damage.
Preferably, the track beams are steel members, the bearing beams are reinforced concrete members, and the length of each track beam is smaller than that of each bearing beam.
Further preferably, the track beam is of a hollow structure, and the length of the track beam is 6-8 m.
The height difference adjusting precision of adjacent track beams is improved.
Preferably, the expansion joints between the track beams and the expansion joints between the bearing beams are arranged in a staggered manner.
To sum up, compare with prior art, the beneficial effects of the utility model are that:
1. by adopting the magnetic suspension track system of the utility model, the height difference of two sides of each track beam and the height difference between adjacent track beams are adjusted by utilizing a two-stage adjusting mechanism, the installation precision and the use precision of the track beam are adjusted, the processing and the installation precision of the bearing beam and the substructure are effectively reduced, the design and the processing requirements of a bridge bearing are reduced, the laying difficulty and the maintenance strength of the high-speed magnetic suspension full-line track beam are obviously reduced, the cost is greatly reduced, the adjustment requirements of the track system under various application scenes are effectively met, the track system is conveniently standardized and unified, the running speed and the riding comfort of a magnetic suspension line are favorably ensured in the operation process, the reliability of the magnetic suspension track system is improved, the possibility of long-term maintenance of the full-line range is ensured, the application prospect is good, and the method has great significance for the operation of high-speed magnetic suspension in China.
Description of the drawings:
fig. 1 is a schematic structural view of a magnetic levitation track system according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic structural diagram of an end face of a magnetic levitation track system in embodiment 1;
FIG. 4 is a partial exploded view of the track beam and the support of example 1;
fig. 5 is a partial sectional view of the jacking member in embodiment 1;
fig. 6 is a structural plan view of the jack-up member in embodiment 1.
The labels in the figure are: 1-support plate, 2-track beam, 20-connecting piece, 21-upper flange, 22-lower flange, 3-bearing beam, 4-jacking block, 51-left wedge block, 52-right wedge block, 6-rod piece, 7-foundation bolt assembly, 81-pressing plate, 82-pressing bolt, 83-gasket and 9-arc surface II.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-6, the magnetic levitation track system of the present invention comprises a plurality of track beams 2 and a plurality of load-bearing beams 3, all of the track beams 2 are steel members, all of the load-bearing beams 3 are reinforced concrete members, the track beams 2 are disposed above the load-bearing beams 3, the expansion joints between the track beams 2 and the expansion joints between the load-bearing beams 3 are arranged in a staggered manner, a connecting member 20 is connected between two adjacent track beams 2, further the end portions of the adjacent track beams 2 are constrained, the height difference between the adjacent track surfaces is reduced, the impact on the vehicle at the joints is reduced, the running stability is improved, each connecting member 20 is respectively bolted on the top surfaces of the corresponding two track beams 2, the bolt holes at one end of each connecting member 20 are bar bolt holes, so as to adapt to the telescopic deformation of the track beams 2, each track beam 2 has at least two supports, in this embodiment, only two supports are arranged below each track beam 2, and the two supports are respectively located at two ends of the corresponding track beam 2, so that the height difference between the adjacent track beams can be conveniently adjusted, the impact on the vehicle at the joint can be reduced, and the control and adjustment of the precision of the uphill or downhill route can be facilitated; in addition, the support can also be arranged at other positions of the track beam 2 according to requirements, for example, the middle part of the track beam 2 generates downwarping, the support is additionally arranged to improve the downwarping and reduce the deformation, each support comprises a support plate 1 and two jacking parts, the support plate 1 is connected between the track beam 2 and the bearing beam 3, preferably, the track beam 2 can adopt a hollow structure (not shown in the figure), the installation difficulty of the track beam 2 is greatly reduced, meanwhile, the deformation influence of the self weight of the track beam 2 on the large-span bearing beam is reduced, preferably, the length of each track beam 2 is less than that of each bearing beam 3, if the length of the track beam 2 is 6-8m, the overall rigidity of the track beam 2 is improved, the deformation of the single-section track beam 2 is reduced, and then reduced the deflection of operation full line, also can be convenient for adjust and change the precision of track roof beam 2 simultaneously. The utility model discloses a track beam, including the bearing beam 3, the bearing beam adopts reinforced concrete structure, and the effective reduce cost of girder steel and machining precision relatively adopt the not bedplate 1 of co-altitude as required, or adopt jacking parts adjustment the height of bedplate 1 adjusts the height of each track roof beam 2, simultaneously, cooperation two jacking parts can be adjusted respectively the height of the relative both sides of bedplate 1, and then make 2 width direction's of track roof beam both sides rise respectively or reduce, and the difference in height of 2 both sides of track roof beam can finely tune promptly, does benefit to and controls the regulation to the orbital precision of curve section, will again after the adjustment finishes the bedplate 1 is connected fixedly with track roof beam 2 and bearing beam 3 respectively, has two-stage adjustment mechanism promptly and adjusts the difference in height between the both sides difference of every track roof beam 2 and the adjacent track roof beam.
As shown in fig. 1-4, the support plate 1 is disposed along the width direction of the track beam 2, the track beam 2 includes an upper flange 21, a web and a lower flange 22, the support plate 1 is of a groove structure, the top surface of the support plate 1 has a groove, the size of the groove is adapted to the size of the lower flange 22, the lower flange 22 is located in the groove, the bearing area is effectively increased, the adjusted track beam 2 is effectively limited and fixed, the connection is more stable, the distance between two jacking components is farther, which is beneficial to improving the adjustment precision, and is more suitable for precision fine adjustment of height difference between two sides, two sides of the web are respectively provided with a pressing plate 81, the pressing plate 81 is connected with a pressing bolt 82, each pressing bolt 82 passes through a corresponding pressing plate 81 and abuts against a gasket 83 on the top surface of the lower flange 22, and the inclination degree of the top surface of the upper flange 21 can be finely adjusted by using the difference in thickness of the gaskets 83 on two sides, namely, a third-level adjusting mechanism is added, the support plate 1 is respectively connected with the pressure plate 81 and the bearing beam 3 through the foundation bolt assembly 7, the bottom surface of the lower flange 22 is provided with a first arc-shaped surface, the top surface of the groove is provided with a second arc-shaped surface 9, the shape and the size of the second arc-shaped surface 9 are matched with the shape and the size of the first arc-shaped surface, the arc length direction of the first arc-shaped surface is arranged along the width direction of the lower flange 22, the effect of fixed inclination fine adjustment is facilitated, the adjustment precision of the top surface of the track beam 2 is ensured, preferably, the first arc-shaped surface is an upper arch surface, the dead weight of the track beam 2 is effectively reduced, the cost is reduced, after the height of the support plate 1 is adjusted by the jacking component, the foundation bolt assembly 7 and the compression bolt 82 are respectively screwed, the adjusted precision is facilitated, the full-line deformation precision of the track beam 2 is reduced, meanwhile, the support plate 1 is convenient to replace or maintain, the influence on the track beam 2 is reduced, and the maintenance cost is saved.
As shown in fig. 4-6, two of the jacking components are both disposed below the support plate 1, each jacking component is connected to a load-bearing beam 3 through a bolt (the mounting hole is not shown), the two jacking components are respectively disposed at two opposite sides of the support plate 1, each jacking component is used for raising or lowering the corresponding side of the support plate 1 so as to raise or lower two sides of the track beam 2 in the width direction respectively, preferably, each jacking component comprises a jacking block 4 and a transmission component, further preferably, the transmission component comprises a rod member 6, the rod member is provided with a left-handed thread section and a right-handed thread section, the left-handed thread section and the right-handed thread section are both trapezoidal threads, the trapezoidal threads have high rigidity and are not easy to damage, the left-handed thread section and the right-handed thread section are coaxially disposed, and the lengths of the left-handed thread section and the right-handed thread section are equal, be equipped with left wedge 51 and right wedge 52 on the drive disk assembly, the inclined plane of left side wedge 51 with the inclined plane of right wedge 52 sets up in opposite directions, every jacking component the slope on the inclined plane of left side wedge 51 is the same with the slope on the inclined plane of right wedge 52, left side wedge 51 threaded connection in the left-hand thread section, right side wedge 52 threaded connection in the right-hand thread section, the pitch in left-hand thread section is the same with the pitch in right-hand thread section, guarantees left side wedge 51 and right wedge 52 rise simultaneously or descend the same distance, jacking piece 4 is located the inclined plane of left side wedge 51 with on the inclined plane of right wedge 52 to guarantee the stable contact of jacking component and bedplate 1 bottom, through rotating member 6 can make left side wedge 51 and right wedge 52 are close to relatively or keep away from relatively, so as to raise or lower the corresponding jacking blocks 4.
Jacking parts through both sides can make 2 top surfaces of track roof beam rise or reduce, reach the effect of highly carrying out the fine setting to the whole track face, owing to adopt horizontal member 6 to rotate and make jacking piece 4 is in vertical rising or reduction, and the jacking roughness is good, and the change of the jacking part of being convenient for prevents moving back the nature good, need not to carry out too big design modification to the structure of track roof beam 2, just can deal with track roof beam 2 and appear down warping or the deformation phenomenon of upwarping in the operation link, ensures driving speed and comfort level.
As shown in fig. 5-6, a housing is provided outside each jacking component, bolt holes are provided around the bottom surface of the housing, each housing is connected to the bearing beam 3 through bolts, so as to fix the jacking component and ensure stable precision after adjustment, the left wedge-shaped block 51 and the right wedge-shaped block 52 are provided on the bottom surface of the corresponding housing, the top surface of the housing is provided with a first through hole, the shape and size of the first through hole are adapted to the shape and size of the jacking block 4, two opposite side surfaces of the housing are provided with a second through hole and a third through hole, the second through hole and the third through hole are used for penetrating the rod 6, the rod 6 is provided with a locking component, the rod 6 is a lead screw, the adjustment precision is high, the locking component is a nut, the housing comprises a first housing and a second housing which are detachably connected, and the first housing and the second housing can be as shown in fig, be the box body on right side in the picture and left end cover respectively, promptly the end cover is located nut one side, perhaps if casing one and casing two can be as shown in fig. 4, do respectively the casing is followed two parts that 6 axes of member dissected, casing one is convenient for splice the shaping with casing two, and is convenient right member 6, left wedge 51 and right wedge 52 are changed, can effectively rain-proof, prevent laying dust simultaneously, and further preferred, the side of jacking piece 4 is equipped with the scale mark, according to the side protrusion of jacking piece 4 the scale mark of casing top surface is convenient for right the jacking height of 2 width both sides of track roof beam carries out accurate control, is favorable to improving the adjustment accuracy.
When the height of the corresponding side of the track beam is required to be adjusted, the nut is loosened, the screw rod is rotated by using a tool, the lifting of the jacking block 4 is realized, and the height adjustment of the corresponding side of the track beam is indirectly completed; and after the adjustment is finished, the nut is screwed down to finish the locking action of the lead screw.
By adopting the magnetic suspension track system of the utility model, because the curve radius of the high-speed magnetic suspension is very large and the ascending and descending range is very small, the device can meet the fine adjustment requirement for the track beam 2, the three-level adjusting mechanism of the support plate 1, the jacking component and the gasket 83 is adopted to adjust the integral height and the height difference of two sides of the single-section track beam 2, thereby adjusting the installation precision and the use precision of the track system, effectively reducing the processing and the installation precision of the bearing beam and the substructure, reducing the design and the processing requirement of the bridge support, obviously reducing the laying difficulty and the maintenance intensity of the high-speed magnetic suspension full-line track system, greatly reducing the cost, effectively meeting the adjustment requirement under various application scenes of the track system, being convenient for the standardization and the unification design of the track system, being beneficial to ensuring the running speed and the riding comfort of the magnetic suspension line in the operation process, the reliability of the magnetic levitation track is improved, the possibility of long-term maintenance in the whole line range is ensured, the application prospect is good, and the method has great significance for the operation of high-speed magnetic levitation in China.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A magnetic suspension track system is characterized in that the magnetic suspension track system comprises a plurality of track beams (2) and a plurality of bearing beams (3), the track beams (2) are arranged above the bearing beams (3), at least two supports are arranged below each track beam (2), wherein the two supports are respectively positioned at two ends corresponding to the track beam (2), each support comprises a support plate (1) and two jacking components, each support plate (1) is connected between the track beam (2) and the bearing beam (3), the two jacking components are respectively arranged between the corresponding support plate (1) and the corresponding bearing beam (3), the two jacking components are respectively arranged at two opposite sides corresponding to the support plates (1), each jacking component is used for enabling the corresponding side corresponding to the support plate (1) to be lifted or lowered, so that the two sides corresponding to the width direction of the track beam (2) are respectively lifted or lowered.
2. The rail system according to claim 1, wherein a connecting member (20) is connected between two adjacent rail beams (2), each connecting member (20) is respectively bolted to the top surfaces of two corresponding rail beams (2), and the bolt hole at one end of each connecting member (20) is a strip bolt hole.
3. Rail system according to claim 1, characterized in that the rail beam (2) comprises an upper flange (21), a web and a lower flange (22), the top surface of the support plate (1) is provided with a groove, the size of the groove is matched with the size of the lower flange (22), the lower flange (22) is positioned in the groove, pressing plates (81) are respectively arranged on two sides of the web plate, the two pressing plates (81) are positioned on the top surface of the support plate (1) and connected with the support plate (1), a pressing bolt (82) is connected onto each pressing plate (81), each pressing bolt (82) penetrates through the corresponding pressing plate (81) and abuts against a gasket (83) on the top surface of the corresponding side of the lower flange (22), the support plate (1) is connected with the pressing plate (81) and the bearing beam (3) through foundation bolt assemblies (7) respectively.
4. The rail system of claim 3, wherein the bottom surface of the lower flange (22) has a first arc surface, the top surface of the groove has a second arc surface (9), the shape and size of the second arc surface (9) are matched with the shape and size of the first arc surface, and the arc length direction of the first arc surface is arranged along the width direction of the lower flange (22).
5. The rail system according to claim 1, wherein each jacking component comprises a jacking block (4) and a transmission component, the transmission component is provided with a left wedge block (51) and a right wedge block (52), the inclined surface of the left wedge block (51) and the inclined surface of the right wedge block (52) are oppositely arranged, and the transmission component is driven to enable the left wedge block (51) and the right wedge block (52) to be relatively close to or relatively far away from each other so as to enable the corresponding jacking block (4) to be lifted or lowered.
6. The rail system according to claim 5, wherein the transmission member comprises a rod member (6) having a left-hand threaded section and a right-hand threaded section, the left-hand threaded section and the right-hand threaded section being coaxially disposed, the left wedge block (51) being threadedly coupled to the left-hand threaded section, the right wedge block (52) being threadedly coupled to the right-hand threaded section, and the rod member (6) having a locking member thereon.
7. The rail system according to claim 6, wherein each of the jacking members is externally provided with a housing, each of the housings is connected to the bearing beam (3), the left wedge-shaped block (51) and the right wedge-shaped block (52) are arranged on the bottom surface of the corresponding housing, the top surface of the housing is provided with a first through hole, the shape and size of the first through hole are matched with those of the jacking block (4), two opposite side surfaces of the housing are further provided with a second through hole and a third through hole, the second through hole and the third through hole are used for penetrating through the rod member (6), and the housing comprises the first housing and the second housing which are detachably connected.
8. The rail system of claim 6, wherein the slope of the left wedge block (51) and the slope of the right wedge block (52) of each jacking member are the same, the pitch of the left-hand thread segment is the same as the pitch of the right-hand thread segment, the length of the left-hand thread segment is the same as the length of the right-hand thread segment, and the left-hand thread segment and the right-hand thread segment are both trapezoidal threads.
9. The rail system according to any of the claims 1-8, characterized in that the rail beams (2) are steel members and the load-bearing beams (3) are reinforced concrete members, the length of each of the rail beams (2) being smaller than the length of each of the load-bearing beams (3).
10. The track system according to claim 9, wherein the track beam (2) is a hollow structure, the length of the track beam (2) being 6-8 m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922287023.6U CN211689691U (en) | 2019-12-18 | 2019-12-18 | Magnetic suspension track system |
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| CN201922287023.6U CN211689691U (en) | 2019-12-18 | 2019-12-18 | Magnetic suspension track system |
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Cited By (3)
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| CN112458897A (en) * | 2020-11-27 | 2021-03-09 | 同济大学 | High-speed magnetic suspension long-span cable-stayed bridge upper track beam forward-to-bridge positioning system |
| CN112482209A (en) * | 2020-12-09 | 2021-03-12 | 中铁磁浮交通投资建设有限公司 | Construction and assembly method of high-speed magnetic suspension bridge large-displacement expansion device |
| CN113914220A (en) * | 2021-09-17 | 2022-01-11 | 山东高速工程建设集团有限公司 | Pre-compaction device of cast-in-place beam bracket |
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2019
- 2019-12-18 CN CN201922287023.6U patent/CN211689691U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458897A (en) * | 2020-11-27 | 2021-03-09 | 同济大学 | High-speed magnetic suspension long-span cable-stayed bridge upper track beam forward-to-bridge positioning system |
| CN112458897B (en) * | 2020-11-27 | 2022-02-18 | 同济大学 | High-speed magnetic suspension long-span cable-stayed bridge upper track beam forward-to-bridge positioning system |
| CN112482209A (en) * | 2020-12-09 | 2021-03-12 | 中铁磁浮交通投资建设有限公司 | Construction and assembly method of high-speed magnetic suspension bridge large-displacement expansion device |
| CN112482209B (en) * | 2020-12-09 | 2021-08-06 | 中铁磁浮交通投资建设有限公司 | Construction and assembly method of high-speed magnetic suspension bridge large-displacement expansion device |
| CN113914220A (en) * | 2021-09-17 | 2022-01-11 | 山东高速工程建设集团有限公司 | Pre-compaction device of cast-in-place beam bracket |
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