CN210826952U - Wide flange beam upper plate type track beam - Google Patents
Wide flange beam upper plate type track beam Download PDFInfo
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- CN210826952U CN210826952U CN201920995266.2U CN201920995266U CN210826952U CN 210826952 U CN210826952 U CN 210826952U CN 201920995266 U CN201920995266 U CN 201920995266U CN 210826952 U CN210826952 U CN 210826952U
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Abstract
A wide flange beam upper plate type track beam belongs to the field of magnetic levitation traffic, and comprises a concrete track plate, an edge pier column, a middle pier column, a lower bearing beam and a slab pier connecting key, wherein the concrete track plate is connected with the lower bearing beam through the edge pier column, the middle pier column and the slab pier connecting key; through adjustable displacement's board mound connecting key and limit portion pier stud, middle part pier stud connection between concrete track board and the lower part spandrel girder, provided multiple line type simultaneously, it is rational in infrastructure to have, passes power clearly and definitely, the modern design, save material, and the installation accuracy is high, vibration deformation advantage such as little.
Description
Technical Field
The utility model belongs to magnetism floats the traffic field, especially relates to a board-like track roof beam on wide flange roof beam.
Background
Magnetic suspension traffic is the fastest rail traffic mode in the world at present, and has the advantages of high speed, energy conservation, low vibration noise and the like. On the basis of introducing the absorption Germany technology, China establishes a plurality of magnetic suspension test lines through independent innovation. At present, no high-speed magnetic suspension traffic engineering exists in the world, a track technology matched with a high-speed system is also lacked, and in order to further explore the speed advantages and develop a high-speed magnetic suspension traffic mode, China is exploring high-speed magnetic suspension traffic. Compared with the prior art, the speed of the railway vehicle is greatly improved, and brand new requirements with higher difficulty are provided for the vehicle and the railway. The track structure is one of the most important subsystems of the whole magnetic suspension traffic system, and the development of the track structure matched with the speed is particularly necessary.
Through researching the dynamic interaction of the rail under the high-speed condition, and carrying out relevant necessary research and reasonable analysis on structure model selection, rail deformation, dynamic characteristics and the like, the technical scheme of the rail suitable for high-speed magnetic levitation is provided, and the key technical problems of construction, large transportation, on-site fine adjustment and positioning, personnel evacuation and the like of the rail beam in application are solved conveniently.
Disclosure of Invention
A wide flange beam upper plate type track beam is applied to a high-speed magnetic suspension line for people evacuation, and the upper part of a box body of a lower bearing beam is extended outwards by the track beam to form an upper surface horizontal flange for people evacuation; the concrete track slab is connected with the lower bearing beam through the slab pier connecting key capable of adjusting displacement, the side pier column and the middle pier column, so that the purposes of definite force transfer, high installation precision and small vibration deformation are achieved.
The utility model adopts the following technical scheme:
a wide flange beam upper plate type track beam can adopt a single-line track on the beam and also can adopt a multi-line track on the beam. The device consists of an upper concrete track plate, pier columns, a lower bearing beam and a slab pier connecting key. The upper concrete track slab adopts a prestressed reinforced concrete structure. The prestressed concrete box girder adopted by the lower bearing beam can adopt a simple support structure or a continuous structure. The pier stud plays a role in connection between the upper concrete track plate and the lower bearing beam.
Furthermore, the concrete track slab takes a certain modulus as a system unit, adopts an integral structure and mainly comprises a concrete main plate and an integral sliding guide plate. Two trapezoidal supports of concrete are distributed symmetrically along the board through length in the lower part of the concrete mainboard, and the pre-buried heads of the connecting keys are pre-buried along the direction of the trapezoidal supports of concrete to form reserved holes penetrating through the upper surface and the lower surface of the concrete mainboard. The integrated sliding guide plate is an angle steel with an embedded part at the inner side, the top steel plate plays a role of a sliding plate, and the side steel plate is used for connecting function keys. A plurality of cylindrical embedded parts are welded on the inner wall of the side steel plate, and when the concrete main plate is poured, the integrated sliding guide plate and the concrete main plate are poured and connected into a whole through the embedded parts.
Furthermore, the prestressed concrete box girder is adopted by the bearing beam, the lower part of the prestressed concrete box girder is a box body, and the middle part of the prestressed concrete box girder is hollow. The upper part of the box body is extended to form a flange, the upper surface of the flange is horizontal, a sound insulation barrier and an escape and rescue channel can be arranged, the environmental noise and safety requirements are met, and in emergency and necessary occasions, pedestrians can walk for evacuation. The bearing beam can adopt a simple beam or a continuous beam structure, can be prefabricated in a factory or on site, and can also be cast in situ on site.
Further, the board pier connecting key comprises a connecting key embedded head, a connecting key bolt rod and a connecting key bolt head from top to bottom. The connecting key embedded head is a steel pipe with an inner cavity and a convex-concave outer part, and the height of the connecting key embedded head is the same as the thickness of the concrete track plate at the position of the concrete trapezoid support. The concrete track slab is arranged along the direction of the concrete trapezoid support and is embedded in the concrete track slab. The connecting key bolt rod and the connecting key bolt head are fixedly connected into a whole, the connecting key bolt rod is a steel rod, the outer diameter of the steel rod is smaller than the inner diameter of the connecting key embedded head, and a moving space can be arranged in the connecting key bolt rod. The connecting key bolt head is a steel column which is wider than the connecting key bolt rod. The outer diameter of the pier is wider than the inner diameter of the reserved hole on the pier shoulder.
Further, the pier stud takes two forms: the setting is at the limit portion pier stud at concrete track board both ends and sets up the middle part pier stud in concrete track board middle part.
Furthermore, the side pier stud is of an X-shaped structure and is of a reinforced concrete structure. The concrete rail plate is used for being placed at the edge of the concrete rail plate to bear force. The lower pier leg of the side pier column is connected with the lower bearing beam by adopting a bolt or cast-in-place. Two ends of the upper pier shoulder are respectively provided with a reserved hole which vertically penetrates through.
Furthermore, the middle pier stud is of a reinforced concrete structure and is in a shape of two parallel T-shaped pillars sharing the upper pier shoulder. The concrete rail plate is used for being placed in the middle of the concrete rail plate to bear force. The lower pier leg of the middle pier column is connected with the lower bearing beam by adopting a bolt or cast-in-place. The four corners of the upper pier shoulder are respectively provided with a reserved hole which vertically penetrates through.
The utility model has the advantages and the effect:
the utility model discloses track technique can provide sufficient rigidity, and the effective control vibrations reduce the bridge deformation that the maglev vehicle of high-speed operation brought. The technical scheme of the high-speed magnetic levitation track embodies people-oriented thought, provides various linear types, and has the advantages of reasonable structure, definite force transmission, novel design, material saving, high installation precision, small vibration deformation and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of a single-line beam upper plate type track beam;
FIG. 2 is a schematic view of the overall structure of a plate-type track beam on a double-line beam;
FIG. 3 is a schematic view of a concrete track slab;
FIG. 4 is a perspective view of a concrete track slab;
FIG. 5 is a schematic view of an edge pier;
FIG. 6 is a schematic view of a central pier;
FIG. 7 shows a precision-adjustable connecting key for a slab pier;
figure 8 the connecting key is pre-countersunk.
The components in the figure: the concrete slab comprises a concrete track slab 1, an edge pier column 2, a middle pier column 3, a lower bearing beam 4, a slab pier connecting key 5, a concrete main board 6, an integrated sliding guide plate 7, a trapezoidal support 8, a reserved hole 9, an embedded part 10, a pier shoulder 11, a pier leg 12, a connecting key pre-buried head 13, a connecting key bolt rod 14, a connecting key bolt head 15 and a flange plate 16.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
The plate-type track beam on the beam provides various linear types, a single-linear track on the beam can be adopted, a multi-linear track on the beam can also be adopted, if a multi-line plate-type track beam structure is arranged on the bearing beam, the track plate interval needs to meet the limitation requirement. Each line type comprises upper portion concrete track board 1, limit portion pier stud 2, middle part pier stud 3, lower part spandrel girder 4 and board mound connecting key 5. The upper concrete track slab 1 is a system unit with 3.096 m or other modules, is manufactured and machined in a factory, and adopts a prestressed concrete box girder as the lower bearing beam 4, which can adopt a simple support structure or a continuous structure. The side pier stud 2 and the middle pier stud 3 play a role in connection between the upper concrete track slab 1 and the lower bearing beam 4, and transmit upper load to the concrete box girder. And (3) transporting the upper concrete track slab 1 prefabricated in the factory to the site, and connecting the upper concrete track slab 1 with the constructed side pier column 2 and the middle pier column 3 together through a slab pier connecting key 5 to form the slab track beam structure on the beam.
1. Concrete track slab
The concrete track slab 1 provides three functional surface and the functional area of functional area to directly bear the train load, and transmit the train load for the spandrel girder through limit portion pier stud 2, middle part pier stud 3. The concrete track slab 1 adopts an integral slab structure, connecting keys and functional parts are omitted, and the lateral guide plate, the sliding rail and the stator connecting keys are pre-embedded on the concrete slab. The system can be a system unit with 3.096 meters or other modules, has small span and light dead weight, and is convenient to process, transport and hoist.
The concrete track slab 1 is mainly composed of a concrete main slab 6 and an integrated sliding guide slab 7. Two trapezoidal supports 8 of concrete are distributed to 6 lower parts of concrete mainboard along the board through length symmetry, and when concreting the concrete mainboard 6, along the pre-buried head 13 of the pre-buried connecting key of the trapezoidal support 8 direction of concrete, form and run through the reservation hole 9 of the upper and lower surface of concrete mainboard 6.
The integrated sliding guide plate 7 is an angle steel with an embedded part 10 at the inner side, the top steel plate plays the role of a sliding plate, and the side steel plate is used for connecting function keys. A plurality of cylindrical embedded parts 10 are welded on the inner wall of the side steel plate, and when the concrete main plate 6 is poured, the integrated sliding guide plate 7 and the concrete main plate 6 are poured and connected into a whole through the embedded parts 10.
2. Bearing beam
The prestressed concrete box girder that lower part spandrel girder 4 adopted, the lower part is the box, and the middle part is fretwork to alleviate the structure dead weight. The upper part of the box body is extended to form a flange, the upper surface of the flange is horizontal, a sound insulation barrier and an escape and rescue channel can be arranged, the environmental noise and safety requirements are met, and in emergency and necessary occasions, pedestrians can walk for evacuation. The lower bearing beam 4 can adopt a simple beam or a continuous beam structure, can be prefabricated in a factory or on site, and can also be cast in situ on site.
3. Connecting key for plate pier
The slab pier connecting key 5 is used for connecting and fixing the concrete track slab 1 and the pier stud 2 and 3. And a design with adjustable precision is adopted. The device can meet the requirement of fine adjustment during installation, can be locked and fixedly combined with the supporting beam after adjustment is completed, and simultaneously meets the requirement that the line is adjustable in two stages due to sedimentation and deformation accumulation in the use and operation stage.
The plate pier connecting key 5 is composed of a connecting key embedded head 13, a connecting key bolt rod 14 and a connecting key bolt head 15 from top to bottom. The connecting key embedded head 13 is a steel pipe with an inner cavity and a convex-concave outer part, and the height of the connecting key embedded head 13 is the same as the thickness of the concrete track slab 1 at the position of the concrete trapezoid support 8. When the concrete track slab 1 is poured, the connecting piece embedded head 13 is arranged along the direction of the concrete trapezoid support 8 and embedded in the concrete track slab 1.
The connecting key bolt rod 14 and the connecting key bolt head 15 are a fixed whole, the connecting key bolt rod 14 is a steel rod, the outer diameter of the steel rod is smaller than the inner diameter of the connecting key embedded head 13, and a moving space can be arranged in the connecting key bolt rod. The connector key head 15 is a steel column that is wider than the connector key rod 14. The outer diameter of the key stud is wider than the inner diameter of the reserved hole on the pier shoulder 11, and the key stud 14 is fixedly connected and is not pulled out of the pier stud 2 and the pier stud 3. Before pouring, the connecting key bolt head 15 and the connecting key bolt rod 14 are fixed below. The function is to fix the position and resist pull-out.
During construction, when the pier stud is installed, the concrete track plate 1 is hoisted, and the concrete trapezoidal support 8 is placed on the pier stud, so that the reserved hole of the concrete track plate 1 is opposite to the reserved hole of the pier shoulder 11. And inserting a connecting key bolt rod 14 into a connecting key embedded head 13 embedded in the concrete track slab 1 from the lower surface of the reserved hole of the pier shoulder 11 to the upper part through the pier shoulder 11. The connecting key bolt head 15 is tightly attached to the lower edge of the pier shoulder 11. The connecting key bolt rod 14 can have a certain moving space at the connecting key embedded head 13, so that the relative horizontal position of the concrete track slab 1 and the pier stud 2 and 3 can be adjusted, the relative vertical position of the concrete track slab 1 and the pier stud 2 and 3 can be adjusted through the flange plate 16 on the upper portion of the pier shoulder 11, the effect of adjustable precision can be achieved, after the position is determined, concrete is poured in the connecting key embedded head 13, and finally the slab pier connecting key 5 connects the concrete track slab 1 and the pier stud 2 and 3 together.
4. Pier stud
The pier studs 2 and 3 are used for transmitting the load of the upper concrete track plate 1 to the lower bearing beam 4, and play a role in connecting the concrete track plate 1 with the bearing beam 4 and transmitting the load. The utility model discloses a pier stud adopts two kinds of forms, limit portion pier stud 2 and middle part pier stud 3. The pier stud 2 of limit portion sets up at concrete track board 1 both ends, and middle part pier stud 3 sets up in concrete track board 1 middle part.
The side pier stud 2 is of an X-shaped structure and is of a reinforced concrete structure. Is used for being placed at the edge part of the concrete track slab 1 to bear force. The lower pier leg 12 of the side pier column 2 is connected with the lower bearing beam 4 by bolts or cast-in-place. Two ends of the upper pier shoulder 11 are respectively provided with a reserved hole which is vertically penetrated and used for connecting a key bolt rod 14 to penetrate through so as to be connected with the upper concrete track slab 1.
The middle pier stud 3 is of a reinforced concrete structure and is in the form of two parallel T-shapes sharing the upper pier shoulder 11. Is used for being placed in the middle of the concrete track slab 1 to bear force. The lower pier leg 12 of the middle pier column 3 is connected with the lower bearing beam 4 by bolts or cast-in-place. Four corners of the upper pier shoulder 11 are respectively provided with a reserved hole which is vertically penetrated and used for connecting a key bolt rod 14 to penetrate so as to be connected with the upper concrete track slab 1.
Claims (10)
1. The utility model provides a wide flange roof beam is board-like track roof beam on, its characterized in that, the track roof beam includes concrete track board (1), limit portion pier stud (2), middle part pier stud (3), lower part spandrel girder (4), board mound connection key (5), concrete track board (1) is prestressed reinforced concrete structure, and lower part spandrel girder (4) are prestressed concrete box beam, be connected through limit portion pier stud (2), middle part pier stud (3), board mound connection key (5) between concrete track board (1) and lower part spandrel girder (4), limit portion pier stud (2) set up in every concrete track board (1) limit below, and middle part pier stud (3) set up in concrete track board (1) middle part below, concrete track board (1) are equipped with integral type for concrete main board (6) both sides and slide deflector (7), concrete track board (1) limit portion and pier stud (2), The middle pier column (3) is connected through a plate pier connecting key (5), an adjusting gap is formed in the joint of the middle pier column and the middle pier column, the concrete track plate (1) is fixed to the position of the side pier column (2) and the position of the middle pier column (3) after adjustment, the lower portions of the side pier column (2) and the middle pier column (3) can be connected with the lower bearing beam (4) through bolts or in a cast-in-place mode, the lower portion of the lower bearing beam (4) is a box body, the middle of the lower bearing beam is hollow, the upper portion of the box body is expanded to form a flange, and.
2. The wide flange beam upper plate type track beam as claimed in claim 1, wherein two parallel concrete trapezoidal supports (8) are symmetrically distributed on the bottom surface of the concrete track plate (1) along the whole length of the plate, and connecting key pre-buried heads (13) are pre-buried along the direction of the concrete trapezoidal supports (8) to form pre-reserved holes (9) penetrating through the upper surface and the lower surface of the concrete main plate (6).
3. A wide flange beam plate-on-rail beam according to claim 1, the plate pier connecting key (5) consists of a connecting key embedded head (13), a connecting key bolt rod (14) and a connecting key bolt head (15) from top to bottom, the connecting key embedded head (13) is integrally cylindrical, the upper section is a horn mouth, the middle section is cylindrical with the outer diameter larger than that of the upper section and the lower section, the surface of the connecting key embedded head (13) forms a concave-convex structure, the height of the connecting key embedded head (13) is the same as the thickness of the concrete track plate (1) at the position of the concrete trapezoidal support (8), the connecting key bolt rod (14) and the connecting key bolt head (15) are fixedly connected integrally, the connecting key bolt rod (14) is a steel rod, the outer diameter of the connecting key is smaller than the inner diameter of the connecting key embedded head (13), a moving space is arranged in the connecting key embedded head, the connecting key bolt head (15) is a steel column which is wider than the connecting key bolt rod (14), and the outer diameter of the connecting key bolt head is wider than the inner diameter of a reserved hole on the pier shoulder (11).
4. The wide flange beam upper plate type track beam according to claim 1, wherein a cylindrical embedded part (10) is arranged on the inner side of the joint of the integrated sliding guide plate (7) and the concrete main plate (6) and connected with the integrated sliding guide plate through the embedded part (10), the integrated sliding guide plate (7) is of an angle steel structure, the top steel plate is a sliding plate, and the side steel plate is connected with a function key.
5. A wide flange beam upper plate type track beam according to claim 1, characterized in that the side pier stud (2) is of reinforced concrete structure and is X-shaped, and two ends of the upper pier shoulder (11) are respectively provided with a reserved hole which vertically penetrates through.
6. A wide flange beam slab track beam according to claim 1, characterized in that the middle pier stud (3) is made of reinforced concrete and is in the shape of two parallel T-shaped parts sharing the upper pier shoulder (11), and the four corners of the upper pier shoulder (11) are provided with a reserved hole penetrating vertically.
7. A wide flange beam upper plate type track beam according to claim 5 or 6, characterized in that a flange plate (16) is arranged between the edge pier column (2) or the middle pier column (3) and the connecting key embedded head (13).
8. The wide flange beam upper plate type track beam according to claim 1, wherein the track beam can adopt a single-line track or a double-line track or a multi-line track on the beam.
9. A wide flange beam slab-on-slab track beam according to claim 1, characterized in that the lower bearing beam (4) is of a simple or continuous structure.
10. A wide flange beam slab-on-slab track beam as claimed in claim 1, characterised in that the concrete track slab (1) is of unitary construction with a certain modulus as a system unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995266.2U CN210826952U (en) | 2019-06-28 | 2019-06-28 | Wide flange beam upper plate type track beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995266.2U CN210826952U (en) | 2019-06-28 | 2019-06-28 | Wide flange beam upper plate type track beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210826952U true CN210826952U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920995266.2U Expired - Fee Related CN210826952U (en) | 2019-06-28 | 2019-06-28 | Wide flange beam upper plate type track beam |
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| Country | Link |
|---|---|
| CN (1) | CN210826952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184863A (en) * | 2019-06-28 | 2019-08-30 | 上海交通大学 | Board-like track girder on a kind of wide-flange beam |
-
2019
- 2019-06-28 CN CN201920995266.2U patent/CN210826952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184863A (en) * | 2019-06-28 | 2019-08-30 | 上海交通大学 | Board-like track girder on a kind of wide-flange beam |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20210628 |