CN214656260U - Structure of normally magnetic conductive floating track beam - Google Patents
Structure of normally magnetic conductive floating track beam Download PDFInfo
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- CN214656260U CN214656260U CN202023246537.6U CN202023246537U CN214656260U CN 214656260 U CN214656260 U CN 214656260U CN 202023246537 U CN202023246537 U CN 202023246537U CN 214656260 U CN214656260 U CN 214656260U
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Abstract
The utility model belongs to the technical field of construction of normally-conductive high-speed magnetic suspension bridges, in particular to a normally-conductive magnetic suspension track beam structure, which comprises a track beam prefabricated main body part, a track beam cast-in-place bridge floor part, a standard component frame and a functional part; the both sides of the prefabricated main part of track roof beam all are equipped with the protruding dog of lateral margin, standard component erects and arranges in the prefabricated main part of track roof beam on, standard component frame includes two L shape curb plates, and the horizontal accurate adjustment screw on the vertical section of two L shape curb plates supports respectively on the protruding dog of lateral margin of both sides, the elevation accurate adjustment screw on the horizontal segment of two L shape curb plates supports respectively on the top surface of the prefabricated main part of track roof beam, cast-in-place bridge floor part of track roof beam has been pour between two L shape curb plates. The utility model discloses not only greatly limit has reduced the content that the high accuracy was made, has simplified connection measure and installation procedure, and the production process controllability is strong moreover, and the quality is more secure, and the cost is lower, is favorable to the implementation of the standardized operation of production line.
Description
Technical Field
The utility model belongs to the technical field of the high-speed magnetic levitation bridge construction is led usually, concretely relates to magnetic conduction float track roof beam structure.
Background
From the manufacturing of the present normally conductive magnetic levitation railway bridge, the functional components such as the sliding surface, the guide plate, the magnetic levitation spindle and the like are respectively positioned and installed on the bridge deck, although the practice is successful, the cost is very high, because the normally conductive high-speed magnetic levitation has extremely high requirements on the smoothness of the long spindle track, and the manufacturing and installing precision of the related functional components has strict requirements, the labor cost for manufacturing and processing is very high, the installing cost is also very high, and the engineering cost for constructing the magnetic levitation railway of the long and large trunk line is too high.
Disclosure of Invention
In order to overcome the defects existing in the prior art, the utility model aims to provide a common magnetic conduction float track beam structure with high precision, high efficiency, low cost, low difficulty and easy realization.
In order to achieve the purpose, the technical scheme of the utility model is a common magnetic conduction floating track beam structure, which comprises a track beam prefabricated main body part, a track beam cast-in-place bridge floor part, a standard component frame and functional parts arranged at two ends of the standard component frame; the standard component frame comprises two L-shaped side plates which are oppositely arranged along the transverse direction, and a transverse accurate adjusting screw and an elevation accurate adjusting screw are respectively arranged on the vertical section and the horizontal section of each L-shaped side plate; the cast-in-place bridge deck of the track beam is cast at a position between the two L-shaped side plates on the top surface of the track beam prefabricated main body part.
Furthermore, two transverse accurate adjusting screws are installed on the vertical section of each L-shaped side plate at intervals along the longitudinal direction, and two elevation accurate adjusting screws are installed on the horizontal section of each L-shaped side plate at intervals along the longitudinal direction.
Furthermore, the standard component frame further comprises a transverse connecting plate, the two L-shaped side plates are connected through the transverse connecting plate, and a plurality of holes which penetrate through the transverse connecting plate in the longitudinal direction are formed in the transverse connecting plate.
Further, the standard component frame further comprises function part installation parts arranged on the outer sides of the vertical sections of the L-shaped side plates, and the function parts at two ends of the standard component frame are respectively installed on the function part installation parts on the outer sides of the vertical sections of the two L-shaped side plates.
Furthermore, the functional parts comprise a sliding surface, a side guide plate and a magnetic suspension spindle; the sliding surface is arranged on the top surface of the functional part installation part, the side guide plate is arranged on the side surface of the functional part installation part, and the magnetic suspension spindle is arranged on the bottom surface of the functional part installation part.
Furthermore, a first stainless steel plate is pre-embedded in a position, corresponding to the elevation precise adjustment screw, on the top surface of the track beam prefabricated main body part, and the elevation precise adjustment screw abuts against the first stainless steel plate.
Furthermore, a second stainless steel plate is embedded in the inner side surface of the side edge protruding stop block at a position corresponding to the transverse accurate adjustment screw, and the transverse accurate adjustment screw abuts against the second stainless steel plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model has the advantages that the functional parts and the standard component frame are accurately manufactured in a factory, and the functional parts such as the sliding surface, the guide plate, the magnetic suspension spindle and the like are assembled on the relatively stable standard component frame, so that the manufacturing precision is easier to guarantee; the other parts adopt a conventional bridge construction method for construction and erection, and then the whole assembled by the functional part and the standard component frame is used as a standard part to be accurately positioned on site through the elevation accurate adjustment screw and the transverse accurate adjustment screw and is used on the full-line bridge, so that the content of high-precision manufacturing is greatly reduced, the connection measures and the installation procedures are simplified, the controllability of the production process is strong, the quality is more guaranteed, the cost is lower, and the implementation of the standardized operation of a production line is facilitated;
(2) the standard component framework in the utility model has the advantages of light weight, easy transportation and erection, small force required in the fine adjustment process by screwing the screw, and being beneficial to obtaining the precise adjustment effect;
(3) the utility model discloses an install multiple circuit conditions such as standard component frame of function piece can adapt to straightway, curve section and straight bent transition section.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a structure of a normally magnetic conductive floating track beam according to an embodiment of the present invention;
fig. 2 is a schematic view of a structure of a normal magnetic conductive floating track beam provided in an embodiment of the present invention;
fig. 3 is a schematic view of a structure of a normal magnetic conductive floating track beam according to an embodiment of the present invention;
fig. 4 is a top view of a modular frame provided by an embodiment of the present invention;
FIG. 5 is an enlarged schematic view at A in FIG. 3;
in the figure: 1. the track beam prefabricating main body part; 2. the track beam is cast in situ on the bridge deck part; 3. a sliding surface; 4. a guide plate; 5. a magnetic suspension spindle; 6. a standard component rack; 7. a hole; 8. an L-shaped side plate; 9. an elevation precise adjusting screw; 10. transversely and accurately adjusting screws; 11. a functional member mounting portion; 12. a lateral edge convex stop block; 13. a longitudinal fixed support; 14. a longitudinal movable support; 15. and (4) a seam crossing structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 3 to 5, the present embodiment provides a normally magnetic conductive floating track beam structure, which includes a track beam prefabricated main body part 1, a track beam cast-in-place bridge deck part 2, a standard component frame 6, and functional components mounted at two ends of the standard component frame 6; the standard component frame 6 comprises two L-shaped side plates 8 which are oppositely arranged along the transverse direction, and a transverse accurate adjusting screw 10 and an elevation accurate adjusting screw 9 are respectively arranged on the vertical section and the horizontal section of each L-shaped side plate 8; the two sides of the track beam prefabricated main body part 1 are provided with lateral edge protruding stop blocks 12, the standard component frame 6 is arranged on the track beam prefabricated main body part 1, the transverse accurate adjusting screws 10 on the two L-shaped side plates 8 abut against the lateral edge protruding stop blocks 12 on the two sides of the track beam prefabricated main body part 1 respectively, the elevation accurate adjusting screws 9 on the two L-shaped side plates 8 abut against the top surface of the track beam prefabricated main body part 1 respectively, and the track beam cast-in-place bridge deck part 2 is poured at a position between the two L-shaped side plates 8 on the top surface of the track beam prefabricated main body part 1. In the embodiment, functional parts such as the sliding surface 3, the guide plate 4, the magnetic suspension spindle 5 and the like are accurately manufactured in a factory and are assembled on a relatively stable standard component frame 6, so that the connection between the standard component frame and a concrete beam body by virtue of an anchor bolt is avoided, and the manufacturing precision of the standard component frame can be ensured most reliably; the construction of the concrete track beam does not need to adopt special engineering measures and is carried out according to the construction method of the common prestressed concrete precast beam; then the function piece and the standard component frame 6 are assembled into a whole to be hoisted to the track beam prefabricated main body part 1 of general construction as a standard piece, the standard piece is accurately positioned on site by rotating the transverse accurate adjusting screw 10 and the elevation accurate adjusting screw 9, then the track beam cast-in-place bridge deck part 2 is poured, and the part between the two L-shaped side plates 8 of the standard component frame 6 is wrapped in the bridge deck part, thereby realizing that the function piece is accurately fixed on the track beam, not only greatly reducing the content of high-precision manufacturing, simplifying the connecting measures and the installation procedures, but also having strong controllability in the production process, more ensuring the quality, having lower cost and being beneficial to the implementation of the standardized operation of the production line.
The standard component frame 6 of the embodiment is manufactured in a factory with high precision, the length of the standard component frame is 3.096 meters long as one functional component, and the sliding surface 3, the guide plate 4, the magnetic suspension spindle 5 and the like are accurately arranged on the standard component frame; the standard component frame 6 can be made of a steel structure, the weight is small, the transportation and erection are very easy, the force required in the fine adjustment process by screwing the screw is small, and the accurate adjustment effect is favorably obtained.
The structure of the normally magnetic conductive floating track beam provided by the embodiment is applied to a continuous beam, and is explained by a beam body of a two-span one-connection continuous beam; as shown in fig. 1 and fig. 2, a longitudinal fixed support 13 is arranged between two longitudinal movable supports 14, and the position of the longitudinal movable support 14 is a seam crossing structure 15 of two beams; the prefabricated main part of track roof beam 1 of the roof beam body is gone up to the bridge direction and is equipped with standard component frame 6, the horizontal bridge of 6 both ends of standard component frame are installed the functional part.
Furthermore, two transverse accurate adjusting screws 10 are installed on the vertical section of each L-shaped side plate 8 at intervals along the longitudinal direction, and two elevation accurate adjusting screws 9 are installed on the horizontal section of each L-shaped side plate 8 at intervals along the longitudinal direction. As shown in fig. 4, 4 lateral fine adjustment screws 10 and 4 elevation fine adjustment screws 9 on 2L-shaped side plates 8 of the present embodiment are respectively distributed on four corner points of a standard component frame 6, positioning elevations are adjusted by rotating the elevation fine adjustment screws 9 at the four corner points, and plane positioning is adjusted by rotating the lateral fine adjustment screws 10 at the four corner points, so that the standard component frame 6 on which a sliding surface 3, a guide plate 4, a magnetic suspension spindle 5, and the like are accurately mounted is accurately positioned on a track beam prefabricated main body part 1; and the standard component frame 6 can adapt to various line conditions such as a straight line section, a curved line section, a straight-curved transition section and the like. If the standard component frame 6 is placed on a straight-line flat slope line, the plane of the standard component frame is a rectangle with very accurate length and width, and the height and the elevation are equal; if the device is placed on a linear ramp, the left height, the right height and the elevation of the device are equal, and the gradient is adapted by the front elevation difference and the rear elevation difference; if the device is placed on a circular curve flat slope, the front height and the rear height of the device are equal, the superelevation is adjusted by left-right elevation difference, and the device adapts to the deflection of a central line by a bisection median vector method; if the standard component frame 6 is placed on a gentle curve flat slope, the elevations of three points are equal, and the other point is higher or lower to adapt to the torsion deformation of the curve ultrahigh gradual change section, and the flat standard component frame 6 is forced to be twisted, so that the standard component frame 6 is stable and can adapt to the tiny torsion deformation.
Further, the standard component frame 6 further comprises a transverse connecting plate, the two L-shaped side plates 8 are connected through the transverse connecting plate, and a plurality of holes 7 which penetrate through the transverse connecting plate along the longitudinal direction are formed in the transverse connecting plate. In the embodiment, the two L-shaped side plates 8 can be connected through a plurality of transverse connecting plates, and the transverse connecting plates are poured in the cast-in-place bridge deck part 2 of the track beam at the later stage; the plurality of holes 7 are formed in the transverse connecting plate, so that the track beam cast-in-place bridge deck parts 2 on two sides of the transverse connecting plate form a whole, and the connection between the standard component frame 6 and a beam body is ensured.
Further, the standard component frame 6 further comprises functional part installation parts 11 arranged on the outer sides of the vertical sections of the L-shaped side plates 8, and the functional parts at the two ends of the standard component frame 6 are respectively installed on the functional part installation parts 11 on the outer sides of the vertical sections of the two L-shaped side plates 8.
Furthermore, the functional parts comprise a sliding surface 3, a side guide plate 4 and a magnetic suspension spindle 5; the sliding surface 3 is arranged on the top surface of the functional part installation part 11, the side guide plate 4 is arranged on the side surface of the functional part installation part 11, and the magnetic suspension spindle 5 is arranged on the bottom surface of the functional part installation part 11.
Furthermore, a first stainless steel plate is pre-embedded in a position, corresponding to the elevation precise adjustment screw 9, on the top surface of the track beam prefabricated main body part 1, and the elevation precise adjustment screw 9 abuts against the first stainless steel plate. Furthermore, a second stainless steel plate is embedded in the inner side surface of the side edge convex block 12 at a position corresponding to the lateral fine adjustment screw 10, and the lateral fine adjustment screw 10 abuts against the second stainless steel plate. In this embodiment, the stainless steel plate can be embedded in the approximate region corresponding to the elevation precise adjustment screw 9 on the top surface of the track beam prefabricated main body part 1 and the position region corresponding to the transverse precise adjustment screw 10 on the inner side surface of the lateral edge convex stop block 12, so that the friction resistance during adjustment is reduced, and high-precision positioning is ensured.
The embodiment also provides a construction method of the normally magnetic conductive floating rail beam structure, which comprises the following steps:
1) prefabricating the track beam prefabricating main body part 1 in a factory, and transporting the track beam prefabricating main body part to a construction site for installation, wherein special engineering measures are not needed, and the method is carried out according to a common construction method of the prestressed concrete precast beam;
2) prefabricating the standard component frame 6 and accurately manufacturing functional parts such as the sliding surface 3, the guide plate 4, the magnetic suspension spindle 5 and the like in a factory, respectively assembling the functional parts such as the sliding surface 3, the guide plate 4, the magnetic suspension spindle 5 and the like at corresponding positions on the standard component frame 6, enabling the relative size and the position relation of the functional parts to meet the precision requirement, and transporting the functional parts to a construction site;
3) hoisting the whole assembled by the functional part and the standard component frame 6 to the top surface of the track beam prefabricated main body part 1 as a standard part, and enabling two L-shaped side plates 8 of the standard component frame 6 to be positioned between side edge convex stop blocks 12 on two sides of the track beam prefabricated main body part 1;
4) rotating a transverse accurate adjusting screw 10 and an elevation accurate adjusting screw 9 on the L-shaped side plate 8, and accurately adjusting the position of the standard component frame 6 on the top surface of the track beam prefabricated main body part 1 to accurately position the functional part;
5) the two L-shaped side plates 8 of the standard component frame 6 are used as side templates of the track beam cast-in-place bridge deck part 2, the track beam cast-in-place bridge deck part 2 is poured between the two L-shaped side plates 8 of the standard component frame 6, the transverse connecting plates of the standard component frame 6 are poured in the track beam, the functional parts are accurately fixed on the track beam, and maintenance is carried out.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a normal magnetic conduction float track roof beam structure which characterized in that: the track beam cast-in-place bridge deck comprises a track beam prefabricated main body part, a track beam cast-in-place bridge deck part, a standard component frame and functional parts arranged at two ends of the standard component frame; the standard component frame comprises two L-shaped side plates which are oppositely arranged along the transverse direction, and a transverse accurate adjusting screw and an elevation accurate adjusting screw are respectively arranged on the vertical section and the horizontal section of each L-shaped side plate; the cast-in-place bridge deck of the track beam is cast at a position between the two L-shaped side plates on the top surface of the track beam prefabricated main body part.
2. The structure of a normally magnetically permeable floating track beam according to claim 1, wherein: each install two along longitudinal separation on the vertical section of L shape curb plate horizontal accurate adjustment screw, each install two along longitudinal separation on the horizontal segment of L shape curb plate elevation accurate adjustment screw.
3. The structure of a normally magnetically permeable floating track beam according to claim 1, wherein: the standard component frame further comprises a transverse connecting plate, the two L-shaped side plates are connected through the transverse connecting plate, and a plurality of holes which penetrate through the transverse connecting plate in the longitudinal direction are formed in the transverse connecting plate.
4. The structure of a normally magnetically permeable floating track beam according to claim 1, wherein: the standard component frame further comprises function part installation parts arranged on the outer sides of the vertical sections of the L-shaped side plates, and the function parts at two ends of the standard component frame are respectively installed on the function part installation parts on the outer sides of the vertical sections of the two L-shaped side plates.
5. The structure of a normally magnetically permeable floating track beam according to claim 4, wherein: the functional parts comprise sliding surfaces, side guide plates and magnetic suspension spindles; the sliding surface is arranged on the top surface of the functional part installation part, the side guide plate is arranged on the side surface of the functional part installation part, and the magnetic suspension spindle is arranged on the bottom surface of the functional part installation part.
6. The structure of a normally magnetically permeable floating track beam according to claim 1, wherein: and a first stainless steel plate is pre-embedded in the position, corresponding to the elevation precise adjustment screw, on the top surface of the track beam prefabricated main body part, and the elevation precise adjustment screw abuts against the first stainless steel plate.
7. The structure of a normally magnetically permeable floating track beam according to claim 1, wherein: and a second stainless steel plate is pre-embedded in the position, corresponding to the transverse accurate adjusting screw, on the inner side surface of the side edge protruding stop block, and the transverse accurate adjusting screw abuts against the second stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023246537.6U CN214656260U (en) | 2020-12-29 | 2020-12-29 | Structure of normally magnetic conductive floating track beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023246537.6U CN214656260U (en) | 2020-12-29 | 2020-12-29 | Structure of normally magnetic conductive floating track beam |
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| Publication Number | Publication Date |
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| CN214656260U true CN214656260U (en) | 2021-11-09 |
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| CN202023246537.6U Active CN214656260U (en) | 2020-12-29 | 2020-12-29 | Structure of normally magnetic conductive floating track beam |
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| CN (1) | CN214656260U (en) |
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